diff options
Diffstat (limited to 'crypto/kerberosIV/appl/telnet/libtelnet')
18 files changed, 0 insertions, 6119 deletions
diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/Makefile.am b/crypto/kerberosIV/appl/telnet/libtelnet/Makefile.am deleted file mode 100644 index 8806f88..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/Makefile.am +++ /dev/null @@ -1,24 +0,0 @@ -# $Id: Makefile.am,v 1.8 1999/03/20 13:58:15 joda Exp $ - -include $(top_srcdir)/Makefile.am.common - -INCLUDES += -I$(srcdir)/.. $(INCLUDE_krb4) - -noinst_LIBRARIES = libtelnet.a - -libtelnet_a_SOURCES = \ - auth-proto.h \ - auth.c \ - auth.h \ - enc-proto.h \ - enc_des.c \ - encrypt.c \ - encrypt.h \ - genget.c \ - kerberos.c \ - kerberos5.c \ - misc-proto.h \ - misc.c \ - misc.h - -EXTRA_DIST = krb4encpwd.c rsaencpwd.c spx.c diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/Makefile.in b/crypto/kerberosIV/appl/telnet/libtelnet/Makefile.in deleted file mode 100644 index b8ca629..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/Makefile.in +++ /dev/null @@ -1,54 +0,0 @@ -# $Id: Makefile.in,v 1.28 1999/03/11 13:50:00 joda Exp $ - -srcdir = @srcdir@ -top_srcdir = @top_srcdir@ -VPATH = @srcdir@ - -SHELL = /bin/sh - -CC = @CC@ -LINK = @LINK@ -AR = ar -RANLIB = @RANLIB@ -DEFS = @DEFS@ -CFLAGS = @CFLAGS@ $(WFLAGS) -WFLAGS = @WFLAGS@ -LIBNAME = $(LIBPREFIX)telnet -LIBEXT = a -LIBPREFIX = @LIBPREFIX@ -LIB = $(LIBNAME).$(LIBEXT) - -prefix = @prefix@ - -SOURCES=auth.c encrypt.c genget.c enc_des.c misc.c kerberos.c kerberos5.c - -OBJECTS=auth.o encrypt.o genget.o enc_des.o misc.o kerberos.o kerberos5.o - -all: $(LIB) - -libtop = @libtop@ - -.c.o: - $(CC) -c $(DEFS) -I../../../include -I$(srcdir)/.. $(CFLAGS) $(CPPFLAGS) $< - -$(LIB): $(OBJECTS) - rm -f $@ - $(AR) cr $@ $(OBJECTS) - -$(RANLIB) $@ - -install: - @true - -uninstall: - @true - -TAGS: $(SOURCES) - etags $(SOURCES) - -clean cleandir: - rm -f *.o *.a \#* *~ core - -distclean: clean - rm -f Makefile *~ - -.PHONY: all install uninstall clean cleandir distclean diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/auth-proto.h b/crypto/kerberosIV/appl/telnet/libtelnet/auth-proto.h deleted file mode 100644 index bcc4c64..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/auth-proto.h +++ /dev/null @@ -1,122 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)auth-proto.h 8.1 (Berkeley) 6/4/93 - */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America is assumed - * to require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - -/* $Id: auth-proto.h,v 1.9 1998/06/09 19:24:40 joda Exp $ */ - -#ifdef AUTHENTICATION -Authenticator *findauthenticator (int, int); - -int auth_wait (char *, size_t); -void auth_disable_name (char *); -void auth_finished (Authenticator *, int); -void auth_gen_printsub (unsigned char *, int, unsigned char *, int); -void auth_init (char *, int); -void auth_is (unsigned char *, int); -void auth_name(unsigned char*, int); -void auth_reply (unsigned char *, int); -void auth_request (void); -void auth_send (unsigned char *, int); -void auth_send_retry (void); -void auth_printsub(unsigned char*, int, unsigned char*, int); -int getauthmask(char *type, int *maskp); -int auth_enable(char *type); -int auth_disable(char *type); -int auth_onoff(char *type, int on); -int auth_togdebug(int on); -int auth_status(void); -int auth_sendname(unsigned char *cp, int len); -void auth_debug(int mode); -void auth_gen_printsub(unsigned char *data, int cnt, - unsigned char *buf, int buflen); - -#ifdef UNSAFE -int unsafe_init (Authenticator *, int); -int unsafe_send (Authenticator *); -void unsafe_is (Authenticator *, unsigned char *, int); -void unsafe_reply (Authenticator *, unsigned char *, int); -int unsafe_status (Authenticator *, char *, int); -void unsafe_printsub (unsigned char *, int, unsigned char *, int); -#endif - -#ifdef SRA -int sra_init (Authenticator *, int); -int sra_send (Authenticator *); -void sra_is (Authenticator *, unsigned char *, int); -void sra_reply (Authenticator *, unsigned char *, int); -int sra_status (Authenticator *, char *, int); -void sra_printsub (unsigned char *, int, unsigned char *, int); -#endif - -#ifdef KRB4 -int kerberos4_init (Authenticator *, int); -int kerberos4_send_mutual (Authenticator *); -int kerberos4_send_oneway (Authenticator *); -void kerberos4_is (Authenticator *, unsigned char *, int); -void kerberos4_reply (Authenticator *, unsigned char *, int); -int kerberos4_status (Authenticator *, char *, size_t, int); -void kerberos4_printsub (unsigned char *, int, unsigned char *, int); -int kerberos4_forward(Authenticator *ap, void *); -#endif - -#ifdef KRB5 -int kerberos5_init (Authenticator *, int); -int kerberos5_send_mutual (Authenticator *); -int kerberos5_send_oneway (Authenticator *); -void kerberos5_is (Authenticator *, unsigned char *, int); -void kerberos5_reply (Authenticator *, unsigned char *, int); -int kerberos5_status (Authenticator *, char *, size_t, int); -void kerberos5_printsub (unsigned char *, int, unsigned char *, int); -#endif -#endif diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/auth.c b/crypto/kerberosIV/appl/telnet/libtelnet/auth.c deleted file mode 100644 index 31d3ede..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/auth.c +++ /dev/null @@ -1,657 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America is assumed - * to require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - -#include <config.h> - -RCSID("$Id: auth.c,v 1.22 1999/03/11 13:48:52 joda Exp $"); - -#if defined(AUTHENTICATION) -#include <stdio.h> -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#include <signal.h> -#define AUTH_NAMES -#ifdef HAVE_ARPA_TELNET_H -#include <arpa/telnet.h> -#endif -#include <stdlib.h> -#include <string.h> - -#include <roken.h> - -#ifdef SOCKS -#include <socks.h> -#endif - -#include "encrypt.h" -#include "auth.h" -#include "misc-proto.h" -#include "auth-proto.h" - -#define typemask(x) (1<<((x)-1)) - -#ifdef KRB4_ENCPWD -extern krb4encpwd_init(); -extern krb4encpwd_send(); -extern krb4encpwd_is(); -extern krb4encpwd_reply(); -extern krb4encpwd_status(); -extern krb4encpwd_printsub(); -#endif - -#ifdef RSA_ENCPWD -extern rsaencpwd_init(); -extern rsaencpwd_send(); -extern rsaencpwd_is(); -extern rsaencpwd_reply(); -extern rsaencpwd_status(); -extern rsaencpwd_printsub(); -#endif - -int auth_debug_mode = 0; -static char *Name = "Noname"; -static int Server = 0; -static Authenticator *authenticated = 0; -static int authenticating = 0; -static int validuser = 0; -static unsigned char _auth_send_data[256]; -static unsigned char *auth_send_data; -static int auth_send_cnt = 0; - -/* - * Authentication types supported. Plese note that these are stored - * in priority order, i.e. try the first one first. - */ -Authenticator authenticators[] = { -#ifdef UNSAFE - { AUTHTYPE_UNSAFE, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY, - unsafe_init, - unsafe_send, - unsafe_is, - unsafe_reply, - unsafe_status, - unsafe_printsub }, -#endif -#ifdef SRA - { AUTHTYPE_SRA, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY, - sra_init, - sra_send, - sra_is, - sra_reply, - sra_status, - sra_printsub }, -#endif -#ifdef SPX - { AUTHTYPE_SPX, AUTH_WHO_CLIENT|AUTH_HOW_MUTUAL, - spx_init, - spx_send, - spx_is, - spx_reply, - spx_status, - spx_printsub }, - { AUTHTYPE_SPX, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY, - spx_init, - spx_send, - spx_is, - spx_reply, - spx_status, - spx_printsub }, -#endif -#ifdef KRB5 - { AUTHTYPE_KERBEROS_V5, AUTH_WHO_CLIENT|AUTH_HOW_MUTUAL, - kerberos5_init, - kerberos5_send_mutual, - kerberos5_is, - kerberos5_reply, - kerberos5_status, - kerberos5_printsub }, - { AUTHTYPE_KERBEROS_V5, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY, - kerberos5_init, - kerberos5_send_oneway, - kerberos5_is, - kerberos5_reply, - kerberos5_status, - kerberos5_printsub }, -#endif -#ifdef KRB4 - { AUTHTYPE_KERBEROS_V4, AUTH_WHO_CLIENT|AUTH_HOW_MUTUAL, - kerberos4_init, - kerberos4_send_mutual, - kerberos4_is, - kerberos4_reply, - kerberos4_status, - kerberos4_printsub }, - { AUTHTYPE_KERBEROS_V4, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY, - kerberos4_init, - kerberos4_send_oneway, - kerberos4_is, - kerberos4_reply, - kerberos4_status, - kerberos4_printsub }, -#endif -#ifdef KRB4_ENCPWD - { AUTHTYPE_KRB4_ENCPWD, AUTH_WHO_CLIENT|AUTH_HOW_MUTUAL, - krb4encpwd_init, - krb4encpwd_send, - krb4encpwd_is, - krb4encpwd_reply, - krb4encpwd_status, - krb4encpwd_printsub }, -#endif -#ifdef RSA_ENCPWD - { AUTHTYPE_RSA_ENCPWD, AUTH_WHO_CLIENT|AUTH_HOW_ONE_WAY, - rsaencpwd_init, - rsaencpwd_send, - rsaencpwd_is, - rsaencpwd_reply, - rsaencpwd_status, - rsaencpwd_printsub }, -#endif - { 0, }, -}; - -static Authenticator NoAuth = { 0 }; - -static int i_support = 0; -static int i_wont_support = 0; - -Authenticator * -findauthenticator(int type, int way) -{ - Authenticator *ap = authenticators; - - while (ap->type && (ap->type != type || ap->way != way)) - ++ap; - return(ap->type ? ap : 0); -} - -void -auth_init(char *name, int server) -{ - Authenticator *ap = authenticators; - - Server = server; - Name = name; - - i_support = 0; - authenticated = 0; - authenticating = 0; - while (ap->type) { - if (!ap->init || (*ap->init)(ap, server)) { - i_support |= typemask(ap->type); - if (auth_debug_mode) - printf(">>>%s: I support auth type %d %d\r\n", - Name, - ap->type, ap->way); - } - else if (auth_debug_mode) - printf(">>>%s: Init failed: auth type %d %d\r\n", - Name, ap->type, ap->way); - ++ap; - } -} - -void -auth_disable_name(char *name) -{ - int x; - for (x = 0; x < AUTHTYPE_CNT; ++x) { - if (!strcasecmp(name, AUTHTYPE_NAME(x))) { - i_wont_support |= typemask(x); - break; - } - } -} - -int -getauthmask(char *type, int *maskp) -{ - int x; - - if (!strcasecmp(type, AUTHTYPE_NAME(0))) { - *maskp = -1; - return(1); - } - - for (x = 1; x < AUTHTYPE_CNT; ++x) { - if (!strcasecmp(type, AUTHTYPE_NAME(x))) { - *maskp = typemask(x); - return(1); - } - } - return(0); -} - -int -auth_enable(char *type) -{ - return(auth_onoff(type, 1)); -} - -int -auth_disable(char *type) -{ - return(auth_onoff(type, 0)); -} - -int -auth_onoff(char *type, int on) -{ - int i, mask = -1; - Authenticator *ap; - - if (!strcasecmp(type, "?") || !strcasecmp(type, "help")) { - printf("auth %s 'type'\n", on ? "enable" : "disable"); - printf("Where 'type' is one of:\n"); - printf("\t%s\n", AUTHTYPE_NAME(0)); - mask = 0; - for (ap = authenticators; ap->type; ap++) { - if ((mask & (i = typemask(ap->type))) != 0) - continue; - mask |= i; - printf("\t%s\n", AUTHTYPE_NAME(ap->type)); - } - return(0); - } - - if (!getauthmask(type, &mask)) { - printf("%s: invalid authentication type\n", type); - return(0); - } - if (on) - i_wont_support &= ~mask; - else - i_wont_support |= mask; - return(1); -} - -int -auth_togdebug(int on) -{ - if (on < 0) - auth_debug_mode ^= 1; - else - auth_debug_mode = on; - printf("auth debugging %s\n", auth_debug_mode ? "enabled" : "disabled"); - return(1); -} - -int -auth_status(void) -{ - Authenticator *ap; - int i, mask; - - if (i_wont_support == -1) - printf("Authentication disabled\n"); - else - printf("Authentication enabled\n"); - - mask = 0; - for (ap = authenticators; ap->type; ap++) { - if ((mask & (i = typemask(ap->type))) != 0) - continue; - mask |= i; - printf("%s: %s\n", AUTHTYPE_NAME(ap->type), - (i_wont_support & typemask(ap->type)) ? - "disabled" : "enabled"); - } - return(1); -} - -/* - * This routine is called by the server to start authentication - * negotiation. - */ -void -auth_request(void) -{ - static unsigned char str_request[64] = { IAC, SB, - TELOPT_AUTHENTICATION, - TELQUAL_SEND, }; - Authenticator *ap = authenticators; - unsigned char *e = str_request + 4; - - if (!authenticating) { - authenticating = 1; - while (ap->type) { - if (i_support & ~i_wont_support & typemask(ap->type)) { - if (auth_debug_mode) { - printf(">>>%s: Sending type %d %d\r\n", - Name, ap->type, ap->way); - } - *e++ = ap->type; - *e++ = ap->way; - } - ++ap; - } - *e++ = IAC; - *e++ = SE; - telnet_net_write(str_request, e - str_request); - printsub('>', &str_request[2], e - str_request - 2); - } -} - -/* - * This is called when an AUTH SEND is received. - * It should never arrive on the server side (as only the server can - * send an AUTH SEND). - * You should probably respond to it if you can... - * - * If you want to respond to the types out of order (i.e. even - * if he sends LOGIN KERBEROS and you support both, you respond - * with KERBEROS instead of LOGIN (which is against what the - * protocol says)) you will have to hack this code... - */ -void -auth_send(unsigned char *data, int cnt) -{ - Authenticator *ap; - static unsigned char str_none[] = { IAC, SB, TELOPT_AUTHENTICATION, - TELQUAL_IS, AUTHTYPE_NULL, 0, - IAC, SE }; - if (Server) { - if (auth_debug_mode) { - printf(">>>%s: auth_send called!\r\n", Name); - } - return; - } - - if (auth_debug_mode) { - printf(">>>%s: auth_send got:", Name); - printd(data, cnt); printf("\r\n"); - } - - /* - * Save the data, if it is new, so that we can continue looking - * at it if the authorization we try doesn't work - */ - if (data < _auth_send_data || - data > _auth_send_data + sizeof(_auth_send_data)) { - auth_send_cnt = cnt > sizeof(_auth_send_data) - ? sizeof(_auth_send_data) - : cnt; - memmove(_auth_send_data, data, auth_send_cnt); - auth_send_data = _auth_send_data; - } else { - /* - * This is probably a no-op, but we just make sure - */ - auth_send_data = data; - auth_send_cnt = cnt; - } - while ((auth_send_cnt -= 2) >= 0) { - if (auth_debug_mode) - printf(">>>%s: He supports %d\r\n", - Name, *auth_send_data); - if ((i_support & ~i_wont_support) & typemask(*auth_send_data)) { - ap = findauthenticator(auth_send_data[0], - auth_send_data[1]); - if (ap && ap->send) { - if (auth_debug_mode) - printf(">>>%s: Trying %d %d\r\n", - Name, auth_send_data[0], - auth_send_data[1]); - if ((*ap->send)(ap)) { - /* - * Okay, we found one we like - * and did it. - * we can go home now. - */ - if (auth_debug_mode) - printf(">>>%s: Using type %d\r\n", - Name, *auth_send_data); - auth_send_data += 2; - return; - } - } - /* else - * just continue on and look for the - * next one if we didn't do anything. - */ - } - auth_send_data += 2; - } - telnet_net_write(str_none, sizeof(str_none)); - printsub('>', &str_none[2], sizeof(str_none) - 2); - if (auth_debug_mode) - printf(">>>%s: Sent failure message\r\n", Name); - auth_finished(0, AUTH_REJECT); -#ifdef KANNAN - /* - * We requested strong authentication, however no mechanisms worked. - * Therefore, exit on client end. - */ - printf("Unable to securely authenticate user ... exit\n"); - exit(0); -#endif /* KANNAN */ -} - -void -auth_send_retry(void) -{ - /* - * if auth_send_cnt <= 0 then auth_send will end up rejecting - * the authentication and informing the other side of this. - */ - auth_send(auth_send_data, auth_send_cnt); -} - -void -auth_is(unsigned char *data, int cnt) -{ - Authenticator *ap; - - if (cnt < 2) - return; - - if (data[0] == AUTHTYPE_NULL) { - auth_finished(0, AUTH_REJECT); - return; - } - - if ((ap = findauthenticator(data[0], data[1]))) { - if (ap->is) - (*ap->is)(ap, data+2, cnt-2); - } else if (auth_debug_mode) - printf(">>>%s: Invalid authentication in IS: %d\r\n", - Name, *data); -} - -void -auth_reply(unsigned char *data, int cnt) -{ - Authenticator *ap; - - if (cnt < 2) - return; - - if ((ap = findauthenticator(data[0], data[1]))) { - if (ap->reply) - (*ap->reply)(ap, data+2, cnt-2); - } else if (auth_debug_mode) - printf(">>>%s: Invalid authentication in SEND: %d\r\n", - Name, *data); -} - -void -auth_name(unsigned char *data, int cnt) -{ - char savename[256]; - - if (cnt < 1) { - if (auth_debug_mode) - printf(">>>%s: Empty name in NAME\r\n", Name); - return; - } - if (cnt > sizeof(savename) - 1) { - if (auth_debug_mode) - printf(">>>%s: Name in NAME (%d) exceeds %lu length\r\n", - Name, cnt, (unsigned long)(sizeof(savename)-1)); - return; - } - memmove(savename, data, cnt); - savename[cnt] = '\0'; /* Null terminate */ - if (auth_debug_mode) - printf(">>>%s: Got NAME [%s]\r\n", Name, savename); - auth_encrypt_user(savename); -} - -int -auth_sendname(unsigned char *cp, int len) -{ - static unsigned char str_request[256+6] - = { IAC, SB, TELOPT_AUTHENTICATION, TELQUAL_NAME, }; - unsigned char *e = str_request + 4; - unsigned char *ee = &str_request[sizeof(str_request)-2]; - - while (--len >= 0) { - if ((*e++ = *cp++) == IAC) - *e++ = IAC; - if (e >= ee) - return(0); - } - *e++ = IAC; - *e++ = SE; - telnet_net_write(str_request, e - str_request); - printsub('>', &str_request[2], e - &str_request[2]); - return(1); -} - -void -auth_finished(Authenticator *ap, int result) -{ - if (!(authenticated = ap)) - authenticated = &NoAuth; - validuser = result; -} - -/* ARGSUSED */ -static void -auth_intr(int sig) -{ - auth_finished(0, AUTH_REJECT); -} - -int -auth_wait(char *name, size_t name_sz) -{ - if (auth_debug_mode) - printf(">>>%s: in auth_wait.\r\n", Name); - - if (Server && !authenticating) - return(0); - - signal(SIGALRM, auth_intr); - alarm(30); - while (!authenticated) - if (telnet_spin()) - break; - alarm(0); - signal(SIGALRM, SIG_DFL); - - /* - * Now check to see if the user is valid or not - */ - if (!authenticated || authenticated == &NoAuth) - return(AUTH_REJECT); - - if (validuser == AUTH_VALID) - validuser = AUTH_USER; - - if (authenticated->status) - validuser = (*authenticated->status)(authenticated, - name, name_sz, - validuser); - return(validuser); -} - -void -auth_debug(int mode) -{ - auth_debug_mode = mode; -} - -void -auth_printsub(unsigned char *data, int cnt, unsigned char *buf, int buflen) -{ - Authenticator *ap; - - if ((ap = findauthenticator(data[1], data[2])) && ap->printsub) - (*ap->printsub)(data, cnt, buf, buflen); - else - auth_gen_printsub(data, cnt, buf, buflen); -} - -void -auth_gen_printsub(unsigned char *data, int cnt, unsigned char *buf, int buflen) -{ - unsigned char *cp; - unsigned char tbuf[16]; - - cnt -= 3; - data += 3; - buf[buflen-1] = '\0'; - buf[buflen-2] = '*'; - buflen -= 2; - for (; cnt > 0; cnt--, data++) { - snprintf(tbuf, sizeof(tbuf), " %d", *data); - for (cp = tbuf; *cp && buflen > 0; --buflen) - *buf++ = *cp++; - if (buflen <= 0) - return; - } - *buf = '\0'; -} -#endif diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/auth.h b/crypto/kerberosIV/appl/telnet/libtelnet/auth.h deleted file mode 100644 index 83dd701..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/auth.h +++ /dev/null @@ -1,81 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)auth.h 8.1 (Berkeley) 6/4/93 - */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America is assumed - * to require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - -/* $Id: auth.h,v 1.4 1998/06/09 19:24:41 joda Exp $ */ - -#ifndef __AUTH__ -#define __AUTH__ - -#define AUTH_REJECT 0 /* Rejected */ -#define AUTH_UNKNOWN 1 /* We don't know who he is, but he's okay */ -#define AUTH_OTHER 2 /* We know him, but not his name */ -#define AUTH_USER 3 /* We know he name */ -#define AUTH_VALID 4 /* We know him, and he needs no password */ - -typedef struct XauthP { - int type; - int way; - int (*init) (struct XauthP *, int); - int (*send) (struct XauthP *); - void (*is) (struct XauthP *, unsigned char *, int); - void (*reply) (struct XauthP *, unsigned char *, int); - int (*status) (struct XauthP *, char *, size_t, int); - void (*printsub) (unsigned char *, int, unsigned char *, int); -} Authenticator; - -#include "auth-proto.h" - -extern int auth_debug_mode; -#endif diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/enc-proto.h b/crypto/kerberosIV/appl/telnet/libtelnet/enc-proto.h deleted file mode 100644 index cb0077d..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/enc-proto.h +++ /dev/null @@ -1,132 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)enc-proto.h 8.1 (Berkeley) 6/4/93 - * - * @(#)enc-proto.h 5.2 (Berkeley) 3/22/91 - */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America is assumed - * to require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - -/* $Id: enc-proto.h,v 1.9 1998/07/09 23:16:22 assar Exp $ */ - -#if defined(ENCRYPTION) -Encryptions *findencryption (int); -Encryptions *finddecryption(int); -int EncryptAutoDec(int); -int EncryptAutoEnc(int); -int EncryptDebug(int); -int EncryptDisable(char*, char*); -int EncryptEnable(char*, char*); -int EncryptStart(char*); -int EncryptStartInput(void); -int EncryptStartOutput(void); -int EncryptStatus(void); -int EncryptStop(char*); -int EncryptStopInput(void); -int EncryptStopOutput(void); -int EncryptType(char*, char*); -int EncryptVerbose(int); -void decrypt_auto(int); -void encrypt_auto(int); -void encrypt_debug(int); -void encrypt_dec_keyid(unsigned char*, int); -void encrypt_display(void); -void encrypt_enc_keyid(unsigned char*, int); -void encrypt_end(void); -void encrypt_gen_printsub(unsigned char*, int, unsigned char*, int); -void encrypt_init(char*, int); -void encrypt_is(unsigned char*, int); -void encrypt_list_types(void); -void encrypt_not(void); -void encrypt_printsub(unsigned char*, int, unsigned char*, int); -void encrypt_reply(unsigned char*, int); -void encrypt_request_end(void); -void encrypt_request_start(unsigned char*, int); -void encrypt_send_end(void); -void encrypt_send_keyid(int, unsigned char*, int, int); -void encrypt_send_request_end(void); -void encrypt_send_request_start(void); -void encrypt_send_support(void); -void encrypt_session_key(Session_Key*, int); -void encrypt_start(unsigned char*, int); -void encrypt_start_output(int); -void encrypt_support(unsigned char*, int); -void encrypt_verbose_quiet(int); -void encrypt_wait(void); -int encrypt_delay(void); - -#ifdef TELENTD -void encrypt_wait (void); -#else -void encrypt_display (void); -#endif - -void cfb64_encrypt (unsigned char *, int); -int cfb64_decrypt (int); -void cfb64_init (int); -int cfb64_start (int, int); -int cfb64_is (unsigned char *, int); -int cfb64_reply (unsigned char *, int); -void cfb64_session (Session_Key *, int); -int cfb64_keyid (int, unsigned char *, int *); -void cfb64_printsub (unsigned char *, int, unsigned char *, int); - -void ofb64_encrypt (unsigned char *, int); -int ofb64_decrypt (int); -void ofb64_init (int); -int ofb64_start (int, int); -int ofb64_is (unsigned char *, int); -int ofb64_reply (unsigned char *, int); -void ofb64_session (Session_Key *, int); -int ofb64_keyid (int, unsigned char *, int *); -void ofb64_printsub (unsigned char *, int, unsigned char *, int); - -#endif diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/enc_des.c b/crypto/kerberosIV/appl/telnet/libtelnet/enc_des.c deleted file mode 100644 index 7bda5af..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/enc_des.c +++ /dev/null @@ -1,673 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -/* $FreeBSD$ */ - -#include <config.h> - -RCSID("$Id: enc_des.c,v 1.16 1998/07/09 23:16:23 assar Exp $"); - -#if defined(AUTHENTICATION) && defined(ENCRYPTION) && defined(DES_ENCRYPTION) -#include <arpa/telnet.h> -#include <stdio.h> -#ifdef __STDC__ -#include <stdlib.h> -#include <string.h> -#endif -#include <roken.h> -#ifdef SOCKS -#include <socks.h> -#endif - -#include "encrypt.h" -#include "misc-proto.h" - -#define OPENSSL_DES_LIBDES_COMPATIBILITY -#include <openssl/des.h> - -extern int encrypt_debug_mode; - -#define CFB 0 -#define OFB 1 - -#define NO_SEND_IV 1 -#define NO_RECV_IV 2 -#define NO_KEYID 4 -#define IN_PROGRESS (NO_SEND_IV|NO_RECV_IV|NO_KEYID) -#define SUCCESS 0 -#define FAILED -1 - - -struct stinfo { - des_cblock str_output; - des_cblock str_feed; - des_cblock str_iv; - des_cblock str_ikey; - des_key_schedule str_sched; - int str_index; - int str_flagshift; -}; - -struct fb { - des_cblock krbdes_key; - des_key_schedule krbdes_sched; - des_cblock temp_feed; - unsigned char fb_feed[64]; - int need_start; - int state[2]; - int keyid[2]; - int once; - struct stinfo streams[2]; -}; - -static struct fb fb[2]; - -struct keyidlist { - char *keyid; - int keyidlen; - char *key; - int keylen; - int flags; -} keyidlist [] = { - { "\0", 1, 0, 0, 0 }, /* default key of zero */ - { 0, 0, 0, 0, 0 } -}; - -#define KEYFLAG_MASK 03 - -#define KEYFLAG_NOINIT 00 -#define KEYFLAG_INIT 01 -#define KEYFLAG_OK 02 -#define KEYFLAG_BAD 03 - -#define KEYFLAG_SHIFT 2 - -#define SHIFT_VAL(a,b) (KEYFLAG_SHIFT*((a)+((b)*2))) - -#define FB64_IV 1 -#define FB64_IV_OK 2 -#define FB64_IV_BAD 3 - - -void fb64_stream_iv (des_cblock, struct stinfo *); -void fb64_init (struct fb *); -static int fb64_start (struct fb *, int, int); -int fb64_is (unsigned char *, int, struct fb *); -int fb64_reply (unsigned char *, int, struct fb *); -static void fb64_session (Session_Key *, int, struct fb *); -void fb64_stream_key (des_cblock, struct stinfo *); -int fb64_keyid (int, unsigned char *, int *, struct fb *); - -void cfb64_init(int server) -{ - fb64_init(&fb[CFB]); - fb[CFB].fb_feed[4] = ENCTYPE_DES_CFB64; - fb[CFB].streams[0].str_flagshift = SHIFT_VAL(0, CFB); - fb[CFB].streams[1].str_flagshift = SHIFT_VAL(1, CFB); -} - - -void ofb64_init(int server) -{ - fb64_init(&fb[OFB]); - fb[OFB].fb_feed[4] = ENCTYPE_DES_OFB64; - fb[CFB].streams[0].str_flagshift = SHIFT_VAL(0, OFB); - fb[CFB].streams[1].str_flagshift = SHIFT_VAL(1, OFB); -} - -void fb64_init(struct fb *fbp) -{ - memset(fbp,0, sizeof(*fbp)); - fbp->state[0] = fbp->state[1] = FAILED; - fbp->fb_feed[0] = IAC; - fbp->fb_feed[1] = SB; - fbp->fb_feed[2] = TELOPT_ENCRYPT; - fbp->fb_feed[3] = ENCRYPT_IS; -} - -/* - * Returns: - * -1: some error. Negotiation is done, encryption not ready. - * 0: Successful, initial negotiation all done. - * 1: successful, negotiation not done yet. - * 2: Not yet. Other things (like getting the key from - * Kerberos) have to happen before we can continue. - */ -int cfb64_start(int dir, int server) -{ - return(fb64_start(&fb[CFB], dir, server)); -} - -int ofb64_start(int dir, int server) -{ - return(fb64_start(&fb[OFB], dir, server)); -} - -static int fb64_start(struct fb *fbp, int dir, int server) -{ - int x; - unsigned char *p; - int state; - - switch (dir) { - case DIR_DECRYPT: - /* - * This is simply a request to have the other side - * start output (our input). He will negotiate an - * IV so we need not look for it. - */ - state = fbp->state[dir-1]; - if (state == FAILED) - state = IN_PROGRESS; - break; - - case DIR_ENCRYPT: - state = fbp->state[dir-1]; - if (state == FAILED) - state = IN_PROGRESS; - else if ((state & NO_SEND_IV) == 0) { - break; - } - - if (!VALIDKEY(fbp->krbdes_key)) { - fbp->need_start = 1; - break; - } - - state &= ~NO_SEND_IV; - state |= NO_RECV_IV; - if (encrypt_debug_mode) - printf("Creating new feed\r\n"); - /* - * Create a random feed and send it over. - */ -#ifndef OLD_DES_RANDOM_KEY - des_new_random_key(&fbp->temp_feed); -#else - /* - * From des_cryp.man "If the des_check_key flag is non-zero, - * des_set_key will check that the key passed is - * of odd parity and is not a week or semi-weak key." - */ - do { - des_random_key(fbp->temp_feed); - des_set_odd_parity(fbp->temp_feed); - } while (des_is_weak_key(fbp->temp_feed)); -#endif - des_ecb_encrypt(&fbp->temp_feed, - &fbp->temp_feed, - fbp->krbdes_sched, 1); - p = fbp->fb_feed + 3; - *p++ = ENCRYPT_IS; - p++; - *p++ = FB64_IV; - for (x = 0; x < sizeof(des_cblock); ++x) { - if ((*p++ = fbp->temp_feed[x]) == IAC) - *p++ = IAC; - } - *p++ = IAC; - *p++ = SE; - printsub('>', &fbp->fb_feed[2], p - &fbp->fb_feed[2]); - telnet_net_write(fbp->fb_feed, p - fbp->fb_feed); - break; - default: - return(FAILED); - } - return(fbp->state[dir-1] = state); -} - -/* - * Returns: - * -1: some error. Negotiation is done, encryption not ready. - * 0: Successful, initial negotiation all done. - * 1: successful, negotiation not done yet. - */ - -int cfb64_is(unsigned char *data, int cnt) -{ - return(fb64_is(data, cnt, &fb[CFB])); -} - -int ofb64_is(unsigned char *data, int cnt) -{ - return(fb64_is(data, cnt, &fb[OFB])); -} - - -int fb64_is(unsigned char *data, int cnt, struct fb *fbp) -{ - unsigned char *p; - int state = fbp->state[DIR_DECRYPT-1]; - - if (cnt-- < 1) - goto failure; - - switch (*data++) { - case FB64_IV: - if (cnt != sizeof(des_cblock)) { - if (encrypt_debug_mode) - printf("CFB64: initial vector failed on size\r\n"); - state = FAILED; - goto failure; - } - - if (encrypt_debug_mode) - printf("CFB64: initial vector received\r\n"); - - if (encrypt_debug_mode) - printf("Initializing Decrypt stream\r\n"); - - fb64_stream_iv(data, &fbp->streams[DIR_DECRYPT-1]); - - p = fbp->fb_feed + 3; - *p++ = ENCRYPT_REPLY; - p++; - *p++ = FB64_IV_OK; - *p++ = IAC; - *p++ = SE; - printsub('>', &fbp->fb_feed[2], p - &fbp->fb_feed[2]); - telnet_net_write(fbp->fb_feed, p - fbp->fb_feed); - - state = fbp->state[DIR_DECRYPT-1] = IN_PROGRESS; - break; - - default: - if (encrypt_debug_mode) { - printf("Unknown option type: %d\r\n", *(data-1)); - printd(data, cnt); - printf("\r\n"); - } - /* FALL THROUGH */ - failure: - /* - * We failed. Send an FB64_IV_BAD option - * to the other side so it will know that - * things failed. - */ - p = fbp->fb_feed + 3; - *p++ = ENCRYPT_REPLY; - p++; - *p++ = FB64_IV_BAD; - *p++ = IAC; - *p++ = SE; - printsub('>', &fbp->fb_feed[2], p - &fbp->fb_feed[2]); - telnet_net_write(fbp->fb_feed, p - fbp->fb_feed); - - break; - } - return(fbp->state[DIR_DECRYPT-1] = state); -} - -/* - * Returns: - * -1: some error. Negotiation is done, encryption not ready. - * 0: Successful, initial negotiation all done. - * 1: successful, negotiation not done yet. - */ - -int cfb64_reply(unsigned char *data, int cnt) -{ - return(fb64_reply(data, cnt, &fb[CFB])); -} - -int ofb64_reply(unsigned char *data, int cnt) -{ - return(fb64_reply(data, cnt, &fb[OFB])); -} - - -int fb64_reply(unsigned char *data, int cnt, struct fb *fbp) -{ - int state = fbp->state[DIR_ENCRYPT-1]; - - if (cnt-- < 1) - goto failure; - - switch (*data++) { - case FB64_IV_OK: - fb64_stream_iv(fbp->temp_feed, &fbp->streams[DIR_ENCRYPT-1]); - if (state == FAILED) - state = IN_PROGRESS; - state &= ~NO_RECV_IV; - encrypt_send_keyid(DIR_ENCRYPT, (unsigned char *)"\0", 1, 1); - break; - - case FB64_IV_BAD: - memset(fbp->temp_feed, 0, sizeof(des_cblock)); - fb64_stream_iv(fbp->temp_feed, &fbp->streams[DIR_ENCRYPT-1]); - state = FAILED; - break; - - default: - if (encrypt_debug_mode) { - printf("Unknown option type: %d\r\n", data[-1]); - printd(data, cnt); - printf("\r\n"); - } - /* FALL THROUGH */ - failure: - state = FAILED; - break; - } - return(fbp->state[DIR_ENCRYPT-1] = state); -} - -void cfb64_session(Session_Key *key, int server) -{ - fb64_session(key, server, &fb[CFB]); -} - -void ofb64_session(Session_Key *key, int server) -{ - fb64_session(key, server, &fb[OFB]); -} - -static void fb64_session(Session_Key *key, int server, struct fb *fbp) -{ - - if (!key || key->type != SK_DES) { - if (encrypt_debug_mode) - printf("Can't set krbdes's session key (%d != %d)\r\n", - key ? key->type : -1, SK_DES); - return; - } - memcpy(fbp->krbdes_key, key->data, sizeof(des_cblock)); - - fb64_stream_key(fbp->krbdes_key, &fbp->streams[DIR_ENCRYPT-1]); - fb64_stream_key(fbp->krbdes_key, &fbp->streams[DIR_DECRYPT-1]); - - if (fbp->once == 0) { -#ifndef OLD_DES_RANDOM_KEY - des_init_random_number_generator(&fbp->krbdes_key); -#endif - fbp->once = 1; - } - des_key_sched(&fbp->krbdes_key, fbp->krbdes_sched); - /* - * Now look to see if krbdes_start() was was waiting for - * the key to show up. If so, go ahead an call it now - * that we have the key. - */ - if (fbp->need_start) { - fbp->need_start = 0; - fb64_start(fbp, DIR_ENCRYPT, server); - } -} - -/* - * We only accept a keyid of 0. If we get a keyid of - * 0, then mark the state as SUCCESS. - */ - -int cfb64_keyid(int dir, unsigned char *kp, int *lenp) -{ - return(fb64_keyid(dir, kp, lenp, &fb[CFB])); -} - -int ofb64_keyid(int dir, unsigned char *kp, int *lenp) -{ - return(fb64_keyid(dir, kp, lenp, &fb[OFB])); -} - -int fb64_keyid(int dir, unsigned char *kp, int *lenp, struct fb *fbp) -{ - int state = fbp->state[dir-1]; - - if (*lenp != 1 || (*kp != '\0')) { - *lenp = 0; - return(state); - } - - if (state == FAILED) - state = IN_PROGRESS; - - state &= ~NO_KEYID; - - return(fbp->state[dir-1] = state); -} - -void fb64_printsub(unsigned char *data, int cnt, - unsigned char *buf, int buflen, char *type) -{ - char lbuf[32]; - int i; - char *cp; - - buf[buflen-1] = '\0'; /* make sure it's NULL terminated */ - buflen -= 1; - - switch(data[2]) { - case FB64_IV: - snprintf(lbuf, sizeof(lbuf), "%s_IV", type); - cp = lbuf; - goto common; - - case FB64_IV_OK: - snprintf(lbuf, sizeof(lbuf), "%s_IV_OK", type); - cp = lbuf; - goto common; - - case FB64_IV_BAD: - snprintf(lbuf, sizeof(lbuf), "%s_IV_BAD", type); - cp = lbuf; - goto common; - - default: - snprintf(lbuf, sizeof(lbuf), " %d (unknown)", data[2]); - cp = lbuf; - common: - for (; (buflen > 0) && (*buf = *cp++); buf++) - buflen--; - for (i = 3; i < cnt; i++) { - snprintf(lbuf, sizeof(lbuf), " %d", data[i]); - for (cp = lbuf; (buflen > 0) && (*buf = *cp++); buf++) - buflen--; - } - break; - } -} - -void cfb64_printsub(unsigned char *data, int cnt, - unsigned char *buf, int buflen) -{ - fb64_printsub(data, cnt, buf, buflen, "CFB64"); -} - -void ofb64_printsub(unsigned char *data, int cnt, - unsigned char *buf, int buflen) -{ - fb64_printsub(data, cnt, buf, buflen, "OFB64"); -} - -void fb64_stream_iv(des_cblock seed, struct stinfo *stp) -{ - - memcpy(stp->str_iv, seed,sizeof(des_cblock)); - memcpy(stp->str_output, seed, sizeof(des_cblock)); - - des_key_sched(&stp->str_ikey, stp->str_sched); - - stp->str_index = sizeof(des_cblock); -} - -void fb64_stream_key(des_cblock key, struct stinfo *stp) -{ - memcpy(stp->str_ikey, key, sizeof(des_cblock)); - des_key_sched((des_cblock*)key, stp->str_sched); - - memcpy(stp->str_output, stp->str_iv, sizeof(des_cblock)); - - stp->str_index = sizeof(des_cblock); -} - -/* - * DES 64 bit Cipher Feedback - * - * key --->+-----+ - * +->| DES |--+ - * | +-----+ | - * | v - * INPUT --(--------->(+)+---> DATA - * | | - * +-------------+ - * - * - * Given: - * iV: Initial vector, 64 bits (8 bytes) long. - * Dn: the nth chunk of 64 bits (8 bytes) of data to encrypt (decrypt). - * On: the nth chunk of 64 bits (8 bytes) of encrypted (decrypted) output. - * - * V0 = DES(iV, key) - * On = Dn ^ Vn - * V(n+1) = DES(On, key) - */ - -void cfb64_encrypt(unsigned char *s, int c) -{ - struct stinfo *stp = &fb[CFB].streams[DIR_ENCRYPT-1]; - int index; - - index = stp->str_index; - while (c-- > 0) { - if (index == sizeof(des_cblock)) { - des_cblock b; - des_ecb_encrypt(&stp->str_output, &b,stp->str_sched, 1); - memcpy(stp->str_feed, b, sizeof(des_cblock)); - index = 0; - } - - /* On encryption, we store (feed ^ data) which is cypher */ - *s = stp->str_output[index] = (stp->str_feed[index] ^ *s); - s++; - index++; - } - stp->str_index = index; -} - -int cfb64_decrypt(int data) -{ - struct stinfo *stp = &fb[CFB].streams[DIR_DECRYPT-1]; - int index; - - if (data == -1) { - /* - * Back up one byte. It is assumed that we will - * never back up more than one byte. If we do, this - * may or may not work. - */ - if (stp->str_index) - --stp->str_index; - return(0); - } - - index = stp->str_index++; - if (index == sizeof(des_cblock)) { - des_cblock b; - des_ecb_encrypt(&stp->str_output,&b, stp->str_sched, 1); - memcpy(stp->str_feed, b, sizeof(des_cblock)); - stp->str_index = 1; /* Next time will be 1 */ - index = 0; /* But now use 0 */ - } - - /* On decryption we store (data) which is cypher. */ - stp->str_output[index] = data; - return(data ^ stp->str_feed[index]); -} - -/* - * DES 64 bit Output Feedback - * - * key --->+-----+ - * +->| DES |--+ - * | +-----+ | - * +-----------+ - * v - * INPUT -------->(+) ----> DATA - * - * Given: - * iV: Initial vector, 64 bits (8 bytes) long. - * Dn: the nth chunk of 64 bits (8 bytes) of data to encrypt (decrypt). - * On: the nth chunk of 64 bits (8 bytes) of encrypted (decrypted) output. - * - * V0 = DES(iV, key) - * V(n+1) = DES(Vn, key) - * On = Dn ^ Vn - */ - -void ofb64_encrypt(unsigned char *s, int c) -{ - struct stinfo *stp = &fb[OFB].streams[DIR_ENCRYPT-1]; - int index; - - index = stp->str_index; - while (c-- > 0) { - if (index == sizeof(des_cblock)) { - des_cblock b; - des_ecb_encrypt(&stp->str_feed,&b, stp->str_sched, 1); - memcpy(stp->str_feed, b, sizeof(des_cblock)); - index = 0; - } - *s++ ^= stp->str_feed[index]; - index++; - } - stp->str_index = index; -} - -int ofb64_decrypt(int data) -{ - struct stinfo *stp = &fb[OFB].streams[DIR_DECRYPT-1]; - int index; - - if (data == -1) { - /* - * Back up one byte. It is assumed that we will - * never back up more than one byte. If we do, this - * may or may not work. - */ - if (stp->str_index) - --stp->str_index; - return(0); - } - - index = stp->str_index++; - if (index == sizeof(des_cblock)) { - des_cblock b; - des_ecb_encrypt(&stp->str_feed,&b,stp->str_sched, 1); - memcpy(stp->str_feed, b, sizeof(des_cblock)); - stp->str_index = 1; /* Next time will be 1 */ - index = 0; /* But now use 0 */ - } - - return(data ^ stp->str_feed[index]); -} -#endif - diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/encrypt.c b/crypto/kerberosIV/appl/telnet/libtelnet/encrypt.c deleted file mode 100644 index 21f7a85..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/encrypt.c +++ /dev/null @@ -1,995 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America is assumed - * to require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - - -#include <config.h> - -RCSID("$Id: encrypt.c,v 1.21 1998/07/09 23:16:25 assar Exp $"); - -#if defined(ENCRYPTION) - -#define ENCRYPT_NAMES -#include <arpa/telnet.h> - -#include "encrypt.h" -#include "misc.h" - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <roken.h> -#ifdef SOCKS -#include <socks.h> -#endif - - -/* - * These functions pointers point to the current routines - * for encrypting and decrypting data. - */ -void (*encrypt_output) (unsigned char *, int); -int (*decrypt_input) (int); -char *nclearto; - -int encrypt_debug_mode = 0; -static int decrypt_mode = 0; -static int encrypt_mode = 0; -static int encrypt_verbose = 0; -static int autoencrypt = 0; -static int autodecrypt = 0; -static int havesessionkey = 0; -static int Server = 0; -static char *Name = "Noname"; - -#define typemask(x) ((x) > 0 ? 1 << ((x)-1) : 0) - -static long i_support_encrypt = typemask(ENCTYPE_DES_CFB64) - | typemask(ENCTYPE_DES_OFB64); - static long i_support_decrypt = typemask(ENCTYPE_DES_CFB64) - | typemask(ENCTYPE_DES_OFB64); - static long i_wont_support_encrypt = 0; - static long i_wont_support_decrypt = 0; -#define I_SUPPORT_ENCRYPT (i_support_encrypt & ~i_wont_support_encrypt) -#define I_SUPPORT_DECRYPT (i_support_decrypt & ~i_wont_support_decrypt) - - static long remote_supports_encrypt = 0; - static long remote_supports_decrypt = 0; - - static Encryptions encryptions[] = { -#if defined(DES_ENCRYPTION) - { "DES_CFB64", ENCTYPE_DES_CFB64, - cfb64_encrypt, - cfb64_decrypt, - cfb64_init, - cfb64_start, - cfb64_is, - cfb64_reply, - cfb64_session, - cfb64_keyid, - cfb64_printsub }, - { "DES_OFB64", ENCTYPE_DES_OFB64, - ofb64_encrypt, - ofb64_decrypt, - ofb64_init, - ofb64_start, - ofb64_is, - ofb64_reply, - ofb64_session, - ofb64_keyid, - ofb64_printsub }, -#endif - { 0, }, - }; - -static unsigned char str_send[64] = { IAC, SB, TELOPT_ENCRYPT, - ENCRYPT_SUPPORT }; -static unsigned char str_suplen = 0; -static unsigned char str_start[72] = { IAC, SB, TELOPT_ENCRYPT }; -static unsigned char str_end[] = { IAC, SB, TELOPT_ENCRYPT, 0, IAC, SE }; - -Encryptions * -findencryption(int type) -{ - Encryptions *ep = encryptions; - - if (!(I_SUPPORT_ENCRYPT & remote_supports_decrypt & typemask(type))) - return(0); - while (ep->type && ep->type != type) - ++ep; - return(ep->type ? ep : 0); -} - -Encryptions * -finddecryption(int type) -{ - Encryptions *ep = encryptions; - - if (!(I_SUPPORT_DECRYPT & remote_supports_encrypt & typemask(type))) - return(0); - while (ep->type && ep->type != type) - ++ep; - return(ep->type ? ep : 0); -} - -#define MAXKEYLEN 64 - -static struct key_info { - unsigned char keyid[MAXKEYLEN]; - int keylen; - int dir; - int *modep; - Encryptions *(*getcrypt)(); -} ki[2] = { - { { 0 }, 0, DIR_ENCRYPT, &encrypt_mode, findencryption }, - { { 0 }, 0, DIR_DECRYPT, &decrypt_mode, finddecryption }, -}; - -void -encrypt_init(char *name, int server) -{ - Encryptions *ep = encryptions; - - Name = name; - Server = server; - i_support_encrypt = i_support_decrypt = 0; - remote_supports_encrypt = remote_supports_decrypt = 0; - encrypt_mode = 0; - decrypt_mode = 0; - encrypt_output = 0; - decrypt_input = 0; -#ifdef notdef - encrypt_verbose = !server; -#endif - - str_suplen = 4; - - while (ep->type) { - if (encrypt_debug_mode) - printf(">>>%s: I will support %s\r\n", - Name, ENCTYPE_NAME(ep->type)); - i_support_encrypt |= typemask(ep->type); - i_support_decrypt |= typemask(ep->type); - if ((i_wont_support_decrypt & typemask(ep->type)) == 0) - if ((str_send[str_suplen++] = ep->type) == IAC) - str_send[str_suplen++] = IAC; - if (ep->init) - (*ep->init)(Server); - ++ep; - } - str_send[str_suplen++] = IAC; - str_send[str_suplen++] = SE; -} - -void -encrypt_list_types(void) -{ - Encryptions *ep = encryptions; - - printf("Valid encryption types:\n"); - while (ep->type) { - printf("\t%s (%d)\r\n", ENCTYPE_NAME(ep->type), ep->type); - ++ep; - } -} - -int -EncryptEnable(char *type, char *mode) -{ - if (isprefix(type, "help") || isprefix(type, "?")) { - printf("Usage: encrypt enable <type> [input|output]\n"); - encrypt_list_types(); - return(0); - } - if (EncryptType(type, mode)) - return(EncryptStart(mode)); - return(0); -} - -int -EncryptDisable(char *type, char *mode) -{ - Encryptions *ep; - int ret = 0; - - if (isprefix(type, "help") || isprefix(type, "?")) { - printf("Usage: encrypt disable <type> [input|output]\n"); - encrypt_list_types(); - } else if ((ep = (Encryptions *)genget(type, (char**)encryptions, - sizeof(Encryptions))) == 0) { - printf("%s: invalid encryption type\n", type); - } else if (Ambiguous(ep)) { - printf("Ambiguous type '%s'\n", type); - } else { - if ((mode == 0) || (isprefix(mode, "input") ? 1 : 0)) { - if (decrypt_mode == ep->type) - EncryptStopInput(); - i_wont_support_decrypt |= typemask(ep->type); - ret = 1; - } - if ((mode == 0) || (isprefix(mode, "output"))) { - if (encrypt_mode == ep->type) - EncryptStopOutput(); - i_wont_support_encrypt |= typemask(ep->type); - ret = 1; - } - if (ret == 0) - printf("%s: invalid encryption mode\n", mode); - } - return(ret); -} - -int -EncryptType(char *type, char *mode) -{ - Encryptions *ep; - int ret = 0; - - if (isprefix(type, "help") || isprefix(type, "?")) { - printf("Usage: encrypt type <type> [input|output]\n"); - encrypt_list_types(); - } else if ((ep = (Encryptions *)genget(type, (char**)encryptions, - sizeof(Encryptions))) == 0) { - printf("%s: invalid encryption type\n", type); - } else if (Ambiguous(ep)) { - printf("Ambiguous type '%s'\n", type); - } else { - if ((mode == 0) || isprefix(mode, "input")) { - decrypt_mode = ep->type; - i_wont_support_decrypt &= ~typemask(ep->type); - ret = 1; - } - if ((mode == 0) || isprefix(mode, "output")) { - encrypt_mode = ep->type; - i_wont_support_encrypt &= ~typemask(ep->type); - ret = 1; - } - if (ret == 0) - printf("%s: invalid encryption mode\n", mode); - } - return(ret); -} - -int -EncryptStart(char *mode) -{ - int ret = 0; - if (mode) { - if (isprefix(mode, "input")) - return(EncryptStartInput()); - if (isprefix(mode, "output")) - return(EncryptStartOutput()); - if (isprefix(mode, "help") || isprefix(mode, "?")) { - printf("Usage: encrypt start [input|output]\n"); - return(0); - } - printf("%s: invalid encryption mode 'encrypt start ?' for help\n", mode); - return(0); - } - ret += EncryptStartInput(); - ret += EncryptStartOutput(); - return(ret); -} - -int -EncryptStartInput(void) -{ - if (decrypt_mode) { - encrypt_send_request_start(); - return(1); - } - printf("No previous decryption mode, decryption not enabled\r\n"); - return(0); -} - -int -EncryptStartOutput(void) -{ - if (encrypt_mode) { - encrypt_start_output(encrypt_mode); - return(1); - } - printf("No previous encryption mode, encryption not enabled\r\n"); - return(0); -} - -int -EncryptStop(char *mode) -{ - int ret = 0; - if (mode) { - if (isprefix(mode, "input")) - return(EncryptStopInput()); - if (isprefix(mode, "output")) - return(EncryptStopOutput()); - if (isprefix(mode, "help") || isprefix(mode, "?")) { - printf("Usage: encrypt stop [input|output]\n"); - return(0); - } - printf("%s: invalid encryption mode 'encrypt stop ?' for help\n", mode); - return(0); - } - ret += EncryptStopInput(); - ret += EncryptStopOutput(); - return(ret); -} - -int -EncryptStopInput(void) -{ - encrypt_send_request_end(); - return(1); -} - -int -EncryptStopOutput(void) -{ - encrypt_send_end(); - return(1); -} - -void -encrypt_display(void) -{ - printf("Autoencrypt for output is %s. Autodecrypt for input is %s.\r\n", - autoencrypt?"on":"off", autodecrypt?"on":"off"); - - if (encrypt_output) - printf("Currently encrypting output with %s\r\n", - ENCTYPE_NAME(encrypt_mode)); - else - printf("Currently not encrypting output\r\n"); - - if (decrypt_input) - printf("Currently decrypting input with %s\r\n", - ENCTYPE_NAME(decrypt_mode)); - else - printf("Currently not decrypting input\r\n"); -} - -int -EncryptStatus(void) -{ - printf("Autoencrypt for output is %s. Autodecrypt for input is %s.\r\n", - autoencrypt?"on":"off", autodecrypt?"on":"off"); - - if (encrypt_output) - printf("Currently encrypting output with %s\r\n", - ENCTYPE_NAME(encrypt_mode)); - else if (encrypt_mode) { - printf("Currently output is clear text.\r\n"); - printf("Last encryption mode was %s\r\n", - ENCTYPE_NAME(encrypt_mode)); - } else - printf("Currently not encrypting output\r\n"); - - if (decrypt_input) { - printf("Currently decrypting input with %s\r\n", - ENCTYPE_NAME(decrypt_mode)); - } else if (decrypt_mode) { - printf("Currently input is clear text.\r\n"); - printf("Last decryption mode was %s\r\n", - ENCTYPE_NAME(decrypt_mode)); - } else - printf("Currently not decrypting input\r\n"); - - return 1; -} - -void -encrypt_send_support(void) -{ - if (str_suplen) { - /* - * If the user has requested that decryption start - * immediatly, then send a "REQUEST START" before - * we negotiate the type. - */ - if (!Server && autodecrypt) - encrypt_send_request_start(); - telnet_net_write(str_send, str_suplen); - printsub('>', &str_send[2], str_suplen - 2); - str_suplen = 0; - } -} - -int -EncryptDebug(int on) -{ - if (on < 0) - encrypt_debug_mode ^= 1; - else - encrypt_debug_mode = on; - printf("Encryption debugging %s\r\n", - encrypt_debug_mode ? "enabled" : "disabled"); - return(1); -} - -/* turn on verbose encryption, but dont keep telling the whole world - */ -void encrypt_verbose_quiet(int on) -{ - if(on < 0) - encrypt_verbose ^= 1; - else - encrypt_verbose = on ? 1 : 0; -} - -int -EncryptVerbose(int on) -{ - encrypt_verbose_quiet(on); - printf("Encryption %s verbose\r\n", - encrypt_verbose ? "is" : "is not"); - return(1); -} - -int -EncryptAutoEnc(int on) -{ - encrypt_auto(on); - printf("Automatic encryption of output is %s\r\n", - autoencrypt ? "enabled" : "disabled"); - return(1); -} - -int -EncryptAutoDec(int on) -{ - decrypt_auto(on); - printf("Automatic decryption of input is %s\r\n", - autodecrypt ? "enabled" : "disabled"); - return(1); -} - -/* Called when we receive a WONT or a DONT ENCRYPT after we sent a DO - encrypt */ -void -encrypt_not(void) -{ - if (encrypt_verbose) - printf("[ Connection is NOT encrypted ]\r\n"); - else - printf("\r\n*** Connection not encrypted! " - "Communication may be eavesdropped. ***\r\n"); -} - -/* - * Called when ENCRYPT SUPPORT is received. - */ -void -encrypt_support(unsigned char *typelist, int cnt) -{ - int type, use_type = 0; - Encryptions *ep; - - /* - * Forget anything the other side has previously told us. - */ - remote_supports_decrypt = 0; - - while (cnt-- > 0) { - type = *typelist++; - if (encrypt_debug_mode) - printf(">>>%s: He is supporting %s (%d)\r\n", - Name, - ENCTYPE_NAME(type), type); - if ((type < ENCTYPE_CNT) && - (I_SUPPORT_ENCRYPT & typemask(type))) { - remote_supports_decrypt |= typemask(type); - if (use_type == 0) - use_type = type; - } - } - if (use_type) { - ep = findencryption(use_type); - if (!ep) - return; - type = ep->start ? (*ep->start)(DIR_ENCRYPT, Server) : 0; - if (encrypt_debug_mode) - printf(">>>%s: (*ep->start)() returned %d\r\n", - Name, type); - if (type < 0) - return; - encrypt_mode = use_type; - if (type == 0) - encrypt_start_output(use_type); - } -} - -void -encrypt_is(unsigned char *data, int cnt) -{ - Encryptions *ep; - int type, ret; - - if (--cnt < 0) - return; - type = *data++; - if (type < ENCTYPE_CNT) - remote_supports_encrypt |= typemask(type); - if (!(ep = finddecryption(type))) { - if (encrypt_debug_mode) - printf(">>>%s: Can't find type %s (%d) for initial negotiation\r\n", - Name, - ENCTYPE_NAME_OK(type) - ? ENCTYPE_NAME(type) : "(unknown)", - type); - return; - } - if (!ep->is) { - if (encrypt_debug_mode) - printf(">>>%s: No initial negotiation needed for type %s (%d)\r\n", - Name, - ENCTYPE_NAME_OK(type) - ? ENCTYPE_NAME(type) : "(unknown)", - type); - ret = 0; - } else { - ret = (*ep->is)(data, cnt); - if (encrypt_debug_mode) - printf("(*ep->is)(%p, %d) returned %s(%d)\n", data, cnt, - (ret < 0) ? "FAIL " : - (ret == 0) ? "SUCCESS " : "MORE_TO_DO ", ret); - } - if (ret < 0) { - autodecrypt = 0; - } else { - decrypt_mode = type; - if (ret == 0 && autodecrypt) - encrypt_send_request_start(); - } -} - -void -encrypt_reply(unsigned char *data, int cnt) -{ - Encryptions *ep; - int ret, type; - - if (--cnt < 0) - return; - type = *data++; - if (!(ep = findencryption(type))) { - if (encrypt_debug_mode) - printf(">>>%s: Can't find type %s (%d) for initial negotiation\r\n", - Name, - ENCTYPE_NAME_OK(type) - ? ENCTYPE_NAME(type) : "(unknown)", - type); - return; - } - if (!ep->reply) { - if (encrypt_debug_mode) - printf(">>>%s: No initial negotiation needed for type %s (%d)\r\n", - Name, - ENCTYPE_NAME_OK(type) - ? ENCTYPE_NAME(type) : "(unknown)", - type); - ret = 0; - } else { - ret = (*ep->reply)(data, cnt); - if (encrypt_debug_mode) - printf("(*ep->reply)(%p, %d) returned %s(%d)\n", - data, cnt, - (ret < 0) ? "FAIL " : - (ret == 0) ? "SUCCESS " : "MORE_TO_DO ", ret); - } - if (encrypt_debug_mode) - printf(">>>%s: encrypt_reply returned %d\n", Name, ret); - if (ret < 0) { - autoencrypt = 0; - } else { - encrypt_mode = type; - if (ret == 0 && autoencrypt) - encrypt_start_output(type); - } -} - -/* - * Called when a ENCRYPT START command is received. - */ -void -encrypt_start(unsigned char *data, int cnt) -{ - Encryptions *ep; - - if (!decrypt_mode) { - /* - * Something is wrong. We should not get a START - * command without having already picked our - * decryption scheme. Send a REQUEST-END to - * attempt to clear the channel... - */ - printf("%s: Warning, Cannot decrypt input stream!!!\r\n", Name); - encrypt_send_request_end(); - return; - } - - if ((ep = finddecryption(decrypt_mode))) { - decrypt_input = ep->input; - if (encrypt_verbose) - printf("[ Input is now decrypted with type %s ]\r\n", - ENCTYPE_NAME(decrypt_mode)); - if (encrypt_debug_mode) - printf(">>>%s: Start to decrypt input with type %s\r\n", - Name, ENCTYPE_NAME(decrypt_mode)); - } else { - printf("%s: Warning, Cannot decrypt type %s (%d)!!!\r\n", - Name, - ENCTYPE_NAME_OK(decrypt_mode) - ? ENCTYPE_NAME(decrypt_mode) - : "(unknown)", - decrypt_mode); - encrypt_send_request_end(); - } -} - -void -encrypt_session_key(Session_Key *key, int server) -{ - Encryptions *ep = encryptions; - - havesessionkey = 1; - - while (ep->type) { - if (ep->session) - (*ep->session)(key, server); - ++ep; - } -} - -/* - * Called when ENCRYPT END is received. - */ -void -encrypt_end(void) -{ - decrypt_input = 0; - if (encrypt_debug_mode) - printf(">>>%s: Input is back to clear text\r\n", Name); - if (encrypt_verbose) - printf("[ Input is now clear text ]\r\n"); -} - -/* - * Called when ENCRYPT REQUEST-END is received. - */ -void -encrypt_request_end(void) -{ - encrypt_send_end(); -} - -/* - * Called when ENCRYPT REQUEST-START is received. If we receive - * this before a type is picked, then that indicates that the - * other side wants us to start encrypting data as soon as we - * can. - */ -void -encrypt_request_start(unsigned char *data, int cnt) -{ - if (encrypt_mode == 0) { - if (Server) - autoencrypt = 1; - return; - } - encrypt_start_output(encrypt_mode); -} - -static unsigned char str_keyid[(MAXKEYLEN*2)+5] = { IAC, SB, TELOPT_ENCRYPT }; - -static void -encrypt_keyid(struct key_info *kp, unsigned char *keyid, int len) -{ - Encryptions *ep; - int dir = kp->dir; - int ret = 0; - - if (!(ep = (*kp->getcrypt)(*kp->modep))) { - if (len == 0) - return; - kp->keylen = 0; - } else if (len == 0) { - /* - * Empty option, indicates a failure. - */ - if (kp->keylen == 0) - return; - kp->keylen = 0; - if (ep->keyid) - (void)(*ep->keyid)(dir, kp->keyid, &kp->keylen); - - } else if ((len != kp->keylen) || (memcmp(keyid,kp->keyid,len) != 0)) { - /* - * Length or contents are different - */ - kp->keylen = len; - memcpy(kp->keyid,keyid, len); - if (ep->keyid) - (void)(*ep->keyid)(dir, kp->keyid, &kp->keylen); - } else { - if (ep->keyid) - ret = (*ep->keyid)(dir, kp->keyid, &kp->keylen); - if ((ret == 0) && (dir == DIR_ENCRYPT) && autoencrypt) - encrypt_start_output(*kp->modep); - return; - } - - encrypt_send_keyid(dir, kp->keyid, kp->keylen, 0); -} - -void encrypt_enc_keyid(unsigned char *keyid, int len) -{ - encrypt_keyid(&ki[1], keyid, len); -} - -void encrypt_dec_keyid(unsigned char *keyid, int len) -{ - encrypt_keyid(&ki[0], keyid, len); -} - - -void encrypt_send_keyid(int dir, unsigned char *keyid, int keylen, int saveit) -{ - unsigned char *strp; - - str_keyid[3] = (dir == DIR_ENCRYPT) - ? ENCRYPT_ENC_KEYID : ENCRYPT_DEC_KEYID; - if (saveit) { - struct key_info *kp = &ki[(dir == DIR_ENCRYPT) ? 0 : 1]; - memcpy(kp->keyid,keyid, keylen); - kp->keylen = keylen; - } - - for (strp = &str_keyid[4]; keylen > 0; --keylen) { - if ((*strp++ = *keyid++) == IAC) - *strp++ = IAC; - } - *strp++ = IAC; - *strp++ = SE; - telnet_net_write(str_keyid, strp - str_keyid); - printsub('>', &str_keyid[2], strp - str_keyid - 2); -} - -void -encrypt_auto(int on) -{ - if (on < 0) - autoencrypt ^= 1; - else - autoencrypt = on ? 1 : 0; -} - -void -decrypt_auto(int on) -{ - if (on < 0) - autodecrypt ^= 1; - else - autodecrypt = on ? 1 : 0; -} - -void -encrypt_start_output(int type) -{ - Encryptions *ep; - unsigned char *p; - int i; - - if (!(ep = findencryption(type))) { - if (encrypt_debug_mode) { - printf(">>>%s: Can't encrypt with type %s (%d)\r\n", - Name, - ENCTYPE_NAME_OK(type) - ? ENCTYPE_NAME(type) : "(unknown)", - type); - } - return; - } - if (ep->start) { - i = (*ep->start)(DIR_ENCRYPT, Server); - if (encrypt_debug_mode) { - printf(">>>%s: Encrypt start: %s (%d) %s\r\n", - Name, - (i < 0) ? "failed" : - "initial negotiation in progress", - i, ENCTYPE_NAME(type)); - } - if (i) - return; - } - p = str_start + 3; - *p++ = ENCRYPT_START; - for (i = 0; i < ki[0].keylen; ++i) { - if ((*p++ = ki[0].keyid[i]) == IAC) - *p++ = IAC; - } - *p++ = IAC; - *p++ = SE; - telnet_net_write(str_start, p - str_start); - net_encrypt(); - printsub('>', &str_start[2], p - &str_start[2]); - /* - * If we are already encrypting in some mode, then - * encrypt the ring (which includes our request) in - * the old mode, mark it all as "clear text" and then - * switch to the new mode. - */ - encrypt_output = ep->output; - encrypt_mode = type; - if (encrypt_debug_mode) - printf(">>>%s: Started to encrypt output with type %s\r\n", - Name, ENCTYPE_NAME(type)); - if (encrypt_verbose) - printf("[ Output is now encrypted with type %s ]\r\n", - ENCTYPE_NAME(type)); -} - -void -encrypt_send_end(void) -{ - if (!encrypt_output) - return; - - str_end[3] = ENCRYPT_END; - telnet_net_write(str_end, sizeof(str_end)); - net_encrypt(); - printsub('>', &str_end[2], sizeof(str_end) - 2); - /* - * Encrypt the output buffer now because it will not be done by - * netflush... - */ - encrypt_output = 0; - if (encrypt_debug_mode) - printf(">>>%s: Output is back to clear text\r\n", Name); - if (encrypt_verbose) - printf("[ Output is now clear text ]\r\n"); -} - -void -encrypt_send_request_start(void) -{ - unsigned char *p; - int i; - - p = &str_start[3]; - *p++ = ENCRYPT_REQSTART; - for (i = 0; i < ki[1].keylen; ++i) { - if ((*p++ = ki[1].keyid[i]) == IAC) - *p++ = IAC; - } - *p++ = IAC; - *p++ = SE; - telnet_net_write(str_start, p - str_start); - printsub('>', &str_start[2], p - &str_start[2]); - if (encrypt_debug_mode) - printf(">>>%s: Request input to be encrypted\r\n", Name); -} - -void -encrypt_send_request_end(void) -{ - str_end[3] = ENCRYPT_REQEND; - telnet_net_write(str_end, sizeof(str_end)); - printsub('>', &str_end[2], sizeof(str_end) - 2); - - if (encrypt_debug_mode) - printf(">>>%s: Request input to be clear text\r\n", Name); -} - - -void encrypt_wait(void) -{ - if (encrypt_debug_mode) - printf(">>>%s: in encrypt_wait\r\n", Name); - if (!havesessionkey || !(I_SUPPORT_ENCRYPT & remote_supports_decrypt)) - return; - while (autoencrypt && !encrypt_output) - if (telnet_spin()) - return; -} - -int -encrypt_delay(void) -{ - if(!havesessionkey || - (I_SUPPORT_ENCRYPT & remote_supports_decrypt) == 0 || - (I_SUPPORT_DECRYPT & remote_supports_encrypt) == 0) - return 0; - if(!(encrypt_output && decrypt_input)) - return 1; - return 0; -} - -void -encrypt_debug(int mode) -{ - encrypt_debug_mode = mode; -} - -void encrypt_gen_printsub(unsigned char *data, int cnt, - unsigned char *buf, int buflen) -{ - char tbuf[16], *cp; - - cnt -= 2; - data += 2; - buf[buflen-1] = '\0'; - buf[buflen-2] = '*'; - buflen -= 2;; - for (; cnt > 0; cnt--, data++) { - snprintf(tbuf, sizeof(tbuf), " %d", *data); - for (cp = tbuf; *cp && buflen > 0; --buflen) - *buf++ = *cp++; - if (buflen <= 0) - return; - } - *buf = '\0'; -} - -void -encrypt_printsub(unsigned char *data, int cnt, unsigned char *buf, int buflen) -{ - Encryptions *ep; - int type = data[1]; - - for (ep = encryptions; ep->type && ep->type != type; ep++) - ; - - if (ep->printsub) - (*ep->printsub)(data, cnt, buf, buflen); - else - encrypt_gen_printsub(data, cnt, buf, buflen); -} -#endif diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/encrypt.h b/crypto/kerberosIV/appl/telnet/libtelnet/encrypt.h deleted file mode 100644 index 5919db5..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/encrypt.h +++ /dev/null @@ -1,98 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)encrypt.h 8.1 (Berkeley) 6/4/93 - * - * @(#)encrypt.h 5.2 (Berkeley) 3/22/91 - */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America is assumed - * to require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - -/* $Id: encrypt.h,v 1.4 1997/01/24 23:10:56 assar Exp $ */ - -#ifndef __ENCRYPT__ -#define __ENCRYPT__ - -#define DIR_DECRYPT 1 -#define DIR_ENCRYPT 2 - -#define VALIDKEY(key) ( key[0] | key[1] | key[2] | key[3] | \ - key[4] | key[5] | key[6] | key[7]) - -#define SAMEKEY(k1, k2) (!memcmp(k1, k2, sizeof(des_cblock))) - -typedef struct { - short type; - int length; - unsigned char *data; -} Session_Key; - -typedef struct { - char *name; - int type; - void (*output) (unsigned char *, int); - int (*input) (int); - void (*init) (int); - int (*start) (int, int); - int (*is) (unsigned char *, int); - int (*reply) (unsigned char *, int); - void (*session) (Session_Key *, int); - int (*keyid) (int, unsigned char *, int *); - void (*printsub) (unsigned char *, int, unsigned char *, int); -} Encryptions; - -#define SK_DES 1 /* Matched Kerberos v5 KEYTYPE_DES */ - -#include "enc-proto.h" - -extern int encrypt_debug_mode; -extern int (*decrypt_input) (int); -extern void (*encrypt_output) (unsigned char *, int); -#endif diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/genget.c b/crypto/kerberosIV/appl/telnet/libtelnet/genget.c deleted file mode 100644 index c17a7bd..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/genget.c +++ /dev/null @@ -1,103 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <config.h> -#include "misc-proto.h" - -RCSID("$Id: genget.c,v 1.6 1997/05/04 09:01:34 assar Exp $"); - -#include <ctype.h> - -#define LOWER(x) (isupper(x) ? tolower(x) : (x)) -/* - * The prefix function returns 0 if *s1 is not a prefix - * of *s2. If *s1 exactly matches *s2, the negative of - * the length is returned. If *s1 is a prefix of *s2, - * the length of *s1 is returned. - */ - -int -isprefix(char *s1, char *s2) -{ - char *os1; - char c1, c2; - - if (*s1 == '\0') - return(-1); - os1 = s1; - c1 = *s1; - c2 = *s2; - while (LOWER(c1) == LOWER(c2)) { - if (c1 == '\0') - break; - c1 = *++s1; - c2 = *++s2; - } - return(*s1 ? 0 : (*s2 ? (s1 - os1) : (os1 - s1))); -} - -static char *ambiguous; /* special return value for command routines */ - -char ** -genget(char *name, char **table, int stlen) - /* name to match */ - /* name entry in table */ - -{ - char **c, **found; - int n; - - if (name == 0) - return 0; - - found = 0; - for (c = table; *c != 0; c = (char **)((char *)c + stlen)) { - if ((n = isprefix(name, *c)) == 0) - continue; - if (n < 0) /* exact match */ - return(c); - if (found) - return(&ambiguous); - found = c; - } - return(found); -} - -/* - * Function call version of Ambiguous() - */ -int -Ambiguous(void *s) -{ - return((char **)s == &ambiguous); -} diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/kerberos.c b/crypto/kerberosIV/appl/telnet/libtelnet/kerberos.c deleted file mode 100644 index 45e7293..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/kerberos.c +++ /dev/null @@ -1,719 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -/* $FreeBSD$ */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America is assumed - * to require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -RCSID("$Id: kerberos.c,v 1.46 1999/09/16 20:41:33 assar Exp $"); - -#ifdef KRB4 -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_ARPA_TELNET_H -#include <arpa/telnet.h> -#endif -#include <stdio.h> -#define OPENSSL_DES_LIBDES_COMPATIBILITY -#include <openssl/des.h> /* BSD wont include this in krb.h, so we do it here */ -#include <krb.h> -#include <pwd.h> -#include <stdlib.h> -#include <string.h> -#include <roken.h> -#ifdef SOCKS -#include <socks.h> -#endif - - -#include "encrypt.h" -#include "auth.h" -#include "misc.h" - -int kerberos4_cksum (unsigned char *, int); -extern int auth_debug_mode; - -static unsigned char str_data[2048] = { IAC, SB, TELOPT_AUTHENTICATION, 0, - AUTHTYPE_KERBEROS_V4, }; - -#define KRB_AUTH 0 /* Authentication data follows */ -#define KRB_REJECT 1 /* Rejected (reason might follow) */ -#define KRB_ACCEPT 2 /* Accepted */ -#define KRB_CHALLENGE 3 /* Challenge for mutual auth. */ -#define KRB_RESPONSE 4 /* Response for mutual auth. */ - -#define KRB_FORWARD 5 /* */ -#define KRB_FORWARD_ACCEPT 6 /* */ -#define KRB_FORWARD_REJECT 7 /* */ - -#define KRB_SERVICE_NAME "rcmd" - -static KTEXT_ST auth; -static char name[ANAME_SZ]; -static AUTH_DAT adat; -static des_cblock session_key; -static des_cblock cred_session; -static des_key_schedule sched; -static des_cblock challenge; -static int auth_done; /* XXX */ - -static int pack_cred(CREDENTIALS *cred, unsigned char *buf); -static int unpack_cred(unsigned char *buf, int len, CREDENTIALS *cred); - - -static int -Data(Authenticator *ap, int type, const void *d, int c) -{ - unsigned char *p = str_data + 4; - const unsigned char *cd = (const unsigned char *)d; - - if (c == -1) - c = strlen((const char *)cd); - - if (auth_debug_mode) { - printf("%s:%d: [%d] (%d)", - str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY", - str_data[3], - type, c); - printd(d, c); - printf("\r\n"); - } - *p++ = ap->type; - *p++ = ap->way; - *p++ = type; - while (c-- > 0) { - if ((*p++ = *cd++) == IAC) - *p++ = IAC; - } - *p++ = IAC; - *p++ = SE; - if (str_data[3] == TELQUAL_IS) - printsub('>', &str_data[2], p - (&str_data[2])); - return(telnet_net_write(str_data, p - str_data)); -} - -int -kerberos4_init(Authenticator *ap, int server) -{ - FILE *fp; - - if (server) { - str_data[3] = TELQUAL_REPLY; - if ((fp = fopen(KEYFILE, "r")) == NULL) - return(0); - fclose(fp); - } else { - str_data[3] = TELQUAL_IS; - } - return(1); -} - -char dst_realm_buf[REALM_SZ], *dest_realm = NULL; -int dst_realm_sz = REALM_SZ; - -static int -kerberos4_send(char *name, Authenticator *ap) -{ - KTEXT_ST auth; - char instance[INST_SZ]; - char *realm; - CREDENTIALS cred; - int r; - - printf("[ Trying %s ... ]\r\n", name); - if (!UserNameRequested) { - if (auth_debug_mode) { - printf("Kerberos V4: no user name supplied\r\n"); - } - return(0); - } - - memset(instance, 0, sizeof(instance)); - - strlcpy (instance, - krb_get_phost(RemoteHostName), - INST_SZ); - - realm = dest_realm ? dest_realm : krb_realmofhost(RemoteHostName); - - if (!realm) { - printf("Kerberos V4: no realm for %s\r\n", RemoteHostName); - return(0); - } - r = krb_mk_req(&auth, KRB_SERVICE_NAME, instance, realm, 0L); - if (r) { - printf("mk_req failed: %s\r\n", krb_get_err_text(r)); - return(0); - } - r = krb_get_cred(KRB_SERVICE_NAME, instance, realm, &cred); - if (r) { - printf("get_cred failed: %s\r\n", krb_get_err_text(r)); - return(0); - } - if (!auth_sendname(UserNameRequested, strlen(UserNameRequested))) { - if (auth_debug_mode) - printf("Not enough room for user name\r\n"); - return(0); - } - if (auth_debug_mode) - printf("Sent %d bytes of authentication data\r\n", auth.length); - if (!Data(ap, KRB_AUTH, (void *)auth.dat, auth.length)) { - if (auth_debug_mode) - printf("Not enough room for authentication data\r\n"); - return(0); - } -#ifdef ENCRYPTION - /* create challenge */ - if ((ap->way & AUTH_HOW_MASK)==AUTH_HOW_MUTUAL) { - int i; - - des_key_sched(&cred.session, sched); - memcpy (&cred_session, &cred.session, sizeof(cred_session)); - des_init_random_number_generator(&cred.session); - des_new_random_key(&session_key); - des_ecb_encrypt(&session_key, &session_key, sched, 0); - des_ecb_encrypt(&session_key, &challenge, sched, 0); - - /* - old code - Some CERT Advisory thinks this is a bad thing... - - des_init_random_number_generator(&cred.session); - des_new_random_key(&challenge); - des_ecb_encrypt(&challenge, &session_key, sched, 1); - */ - - /* - * Increment the challenge by 1, and encrypt it for - * later comparison. - */ - for (i = 7; i >= 0; --i) - if(++challenge[i] != 0) /* No carry! */ - break; - des_ecb_encrypt(&challenge, &challenge, sched, 1); - } - -#endif - - if (auth_debug_mode) { - printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length)); - printd(auth.dat, auth.length); - printf("\r\n"); - printf("Sent Kerberos V4 credentials to server\r\n"); - } - return(1); -} -int -kerberos4_send_mutual(Authenticator *ap) -{ - return kerberos4_send("mutual KERBEROS4", ap); -} - -int -kerberos4_send_oneway(Authenticator *ap) -{ - return kerberos4_send("KERBEROS4", ap); -} - -void -kerberos4_is(Authenticator *ap, unsigned char *data, int cnt) -{ - struct sockaddr_in addr; - char realm[REALM_SZ]; - char instance[INST_SZ]; - int r; - int addr_len; - - if (cnt-- < 1) - return; - switch (*data++) { - case KRB_AUTH: - if (krb_get_lrealm(realm, 1) != KSUCCESS) { - Data(ap, KRB_REJECT, (void *)"No local V4 Realm.", -1); - auth_finished(ap, AUTH_REJECT); - if (auth_debug_mode) - printf("No local realm\r\n"); - return; - } - memmove(auth.dat, data, auth.length = cnt); - if (auth_debug_mode) { - printf("Got %d bytes of authentication data\r\n", cnt); - printf("CK: %d:", kerberos4_cksum(auth.dat, auth.length)); - printd(auth.dat, auth.length); - printf("\r\n"); - } - k_getsockinst(0, instance, sizeof(instance)); - addr_len = sizeof(addr); - if(getpeername(0, (struct sockaddr *)&addr, &addr_len) < 0) { - if(auth_debug_mode) - printf("getpeername failed\r\n"); - Data(ap, KRB_REJECT, "getpeername failed", -1); - auth_finished(ap, AUTH_REJECT); - return; - } - if (addr.sin_family != AF_INET) { - if (auth_debug_mode) - printf("unknown address family: %d\r\n", addr.sin_family); - Data(ap, KRB_REJECT, "bad address family", -1); - auth_finished(ap, AUTH_REJECT); - return; - } - - r = krb_rd_req(&auth, KRB_SERVICE_NAME, - instance, addr.sin_addr.s_addr, &adat, ""); - if (r) { - if (auth_debug_mode) - printf("Kerberos failed him as %s\r\n", name); - Data(ap, KRB_REJECT, (void *)krb_get_err_text(r), -1); - auth_finished(ap, AUTH_REJECT); - return; - } - /* save the session key */ - memmove(session_key, adat.session, sizeof(adat.session)); - krb_kntoln(&adat, name); - - if (UserNameRequested && !kuserok(&adat, UserNameRequested)){ - char ts[MaxPathLen]; - struct passwd *pw = getpwnam(UserNameRequested); - - if(pw){ - snprintf(ts, sizeof(ts), - "%s%u", - TKT_ROOT, - (unsigned)pw->pw_uid); - setenv("KRBTKFILE", ts, 1); - - if (pw->pw_uid == 0) - syslog(LOG_INFO|LOG_AUTH, - "ROOT Kerberos login from %s on %s\n", - krb_unparse_name_long(adat.pname, - adat.pinst, - adat.prealm), - RemoteHostName); - } - Data(ap, KRB_ACCEPT, NULL, 0); - } else { - char *msg; - - asprintf (&msg, "user `%s' is not authorized to " - "login as `%s'", - krb_unparse_name_long(adat.pname, - adat.pinst, - adat.prealm), - UserNameRequested ? UserNameRequested : "<nobody>"); - if (msg == NULL) - Data(ap, KRB_REJECT, NULL, 0); - else { - Data(ap, KRB_REJECT, (void *)msg, -1); - free(msg); - } - } - auth_finished(ap, AUTH_USER); - break; - - case KRB_CHALLENGE: -#ifndef ENCRYPTION - Data(ap, KRB_RESPONSE, NULL, 0); -#else - if(!VALIDKEY(session_key)){ - Data(ap, KRB_RESPONSE, NULL, 0); - break; - } - des_key_sched(&session_key, sched); - { - des_cblock d_block; - int i; - Session_Key skey; - - memmove(d_block, data, sizeof(d_block)); - - /* make a session key for encryption */ - des_ecb_encrypt(&d_block, &session_key, sched, 1); - skey.type=SK_DES; - skey.length=8; - skey.data=session_key; - encrypt_session_key(&skey, 1); - - /* decrypt challenge, add one and encrypt it */ - des_ecb_encrypt(&d_block, &challenge, sched, 0); - for (i = 7; i >= 0; i--) - if(++challenge[i] != 0) - break; - des_ecb_encrypt(&challenge, &challenge, sched, 1); - Data(ap, KRB_RESPONSE, (void *)challenge, sizeof(challenge)); - } -#endif - break; - - case KRB_FORWARD: - { - des_key_schedule ks; - unsigned char netcred[sizeof(CREDENTIALS)]; - CREDENTIALS cred; - int ret; - if(cnt > sizeof(cred)) - abort(); - - memcpy (session_key, adat.session, sizeof(session_key)); - des_set_key(&session_key, ks); - des_pcbc_encrypt((void*)data, (void*)netcred, cnt, - ks, &session_key, DES_DECRYPT); - unpack_cred(netcred, cnt, &cred); - { - if(strcmp(cred.service, KRB_TICKET_GRANTING_TICKET) || - strncmp(cred.instance, cred.realm, sizeof(cred.instance)) || - cred.lifetime < 0 || cred.lifetime > 255 || - cred.kvno < 0 || cred.kvno > 255 || - cred.issue_date < 0 || - cred.issue_date > time(0) + CLOCK_SKEW || - strncmp(cred.pname, adat.pname, sizeof(cred.pname)) || - strncmp(cred.pinst, adat.pinst, sizeof(cred.pinst))){ - Data(ap, KRB_FORWARD_REJECT, "Bad credentials", -1); - }else{ - if((ret = tf_setup(&cred, - cred.pname, - cred.pinst)) == KSUCCESS){ - struct passwd *pw = getpwnam(UserNameRequested); - - if (pw) - chown(tkt_string(), pw->pw_uid, pw->pw_gid); - Data(ap, KRB_FORWARD_ACCEPT, 0, 0); - } else{ - Data(ap, KRB_FORWARD_REJECT, - krb_get_err_text(ret), -1); - } - } - } - memset(data, 0, cnt); - memset(ks, 0, sizeof(ks)); - memset(&cred, 0, sizeof(cred)); - } - - break; - - default: - if (auth_debug_mode) - printf("Unknown Kerberos option %d\r\n", data[-1]); - Data(ap, KRB_REJECT, 0, 0); - break; - } -} - -void -kerberos4_reply(Authenticator *ap, unsigned char *data, int cnt) -{ - Session_Key skey; - - if (cnt-- < 1) - return; - switch (*data++) { - case KRB_REJECT: - if(auth_done){ /* XXX Ick! */ - printf("[ Kerberos V4 received unknown opcode ]\r\n"); - }else{ - printf("[ Kerberos V4 refuses authentication "); - if (cnt > 0) - printf("because %.*s ", cnt, data); - printf("]\r\n"); - auth_send_retry(); - } - return; - case KRB_ACCEPT: - printf("[ Kerberos V4 accepts you ]\r\n"); - auth_done = 1; - if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) { - /* - * Send over the encrypted challenge. - */ - Data(ap, KRB_CHALLENGE, session_key, - sizeof(session_key)); - des_ecb_encrypt(&session_key, &session_key, sched, 1); - skey.type = SK_DES; - skey.length = 8; - skey.data = session_key; - encrypt_session_key(&skey, 0); -#if 0 - kerberos4_forward(ap, &cred_session); -#endif - return; - } - auth_finished(ap, AUTH_USER); - return; - case KRB_RESPONSE: - /* make sure the response is correct */ - if ((cnt != sizeof(des_cblock)) || - (memcmp(data, challenge, sizeof(challenge)))){ - printf("[ Kerberos V4 challenge failed!!! ]\r\n"); - auth_send_retry(); - return; - } - printf("[ Kerberos V4 challenge successful ]\r\n"); - auth_finished(ap, AUTH_USER); - break; - case KRB_FORWARD_ACCEPT: - printf("[ Kerberos V4 accepted forwarded credentials ]\r\n"); - break; - case KRB_FORWARD_REJECT: - printf("[ Kerberos V4 rejected forwarded credentials: `%.*s']\r\n", - cnt, data); - break; - default: - if (auth_debug_mode) - printf("Unknown Kerberos option %d\r\n", data[-1]); - return; - } -} - -int -kerberos4_status(Authenticator *ap, char *name, size_t name_sz, int level) -{ - if (level < AUTH_USER) - return(level); - - if (UserNameRequested && !kuserok(&adat, UserNameRequested)) { - strlcpy(name, UserNameRequested, name_sz); - return(AUTH_VALID); - } else - return(AUTH_USER); -} - -#define BUMP(buf, len) while (*(buf)) {++(buf), --(len);} -#define ADDC(buf, len, c) if ((len) > 0) {*(buf)++ = (c); --(len);} - -void -kerberos4_printsub(unsigned char *data, int cnt, unsigned char *buf, int buflen) -{ - int i; - - buf[buflen-1] = '\0'; /* make sure its NULL terminated */ - buflen -= 1; - - switch(data[3]) { - case KRB_REJECT: /* Rejected (reason might follow) */ - strlcpy((char *)buf, " REJECT ", buflen); - goto common; - - case KRB_ACCEPT: /* Accepted (name might follow) */ - strlcpy((char *)buf, " ACCEPT ", buflen); - common: - BUMP(buf, buflen); - if (cnt <= 4) - break; - ADDC(buf, buflen, '"'); - for (i = 4; i < cnt; i++) - ADDC(buf, buflen, data[i]); - ADDC(buf, buflen, '"'); - ADDC(buf, buflen, '\0'); - break; - - case KRB_AUTH: /* Authentication data follows */ - strlcpy((char *)buf, " AUTH", buflen); - goto common2; - - case KRB_CHALLENGE: - strlcpy((char *)buf, " CHALLENGE", buflen); - goto common2; - - case KRB_RESPONSE: - strlcpy((char *)buf, " RESPONSE", buflen); - goto common2; - - default: - snprintf(buf, buflen, " %d (unknown)", data[3]); - common2: - BUMP(buf, buflen); - for (i = 4; i < cnt; i++) { - snprintf(buf, buflen, " %d", data[i]); - BUMP(buf, buflen); - } - break; - } -} - -int -kerberos4_cksum(unsigned char *d, int n) -{ - int ck = 0; - - /* - * A comment is probably needed here for those not - * well versed in the "C" language. Yes, this is - * supposed to be a "switch" with the body of the - * "switch" being a "while" statement. The whole - * purpose of the switch is to allow us to jump into - * the middle of the while() loop, and then not have - * to do any more switch()s. - * - * Some compilers will spit out a warning message - * about the loop not being entered at the top. - */ - switch (n&03) - while (n > 0) { - case 0: - ck ^= (int)*d++ << 24; - --n; - case 3: - ck ^= (int)*d++ << 16; - --n; - case 2: - ck ^= (int)*d++ << 8; - --n; - case 1: - ck ^= (int)*d++; - --n; - } - return(ck); -} - -static int -pack_cred(CREDENTIALS *cred, unsigned char *buf) -{ - unsigned char *p = buf; - - memcpy (p, cred->service, ANAME_SZ); - p += ANAME_SZ; - memcpy (p, cred->instance, INST_SZ); - p += INST_SZ; - memcpy (p, cred->realm, REALM_SZ); - p += REALM_SZ; - memcpy(p, cred->session, 8); - p += 8; - p += KRB_PUT_INT(cred->lifetime, p, 4, 4); - p += KRB_PUT_INT(cred->kvno, p, 4, 4); - p += KRB_PUT_INT(cred->ticket_st.length, p, 4, 4); - memcpy(p, cred->ticket_st.dat, cred->ticket_st.length); - p += cred->ticket_st.length; - p += KRB_PUT_INT(0, p, 4, 4); - p += KRB_PUT_INT(cred->issue_date, p, 4, 4); - memcpy (p, cred->pname, ANAME_SZ); - p += ANAME_SZ; - memcpy (p, cred->pinst, INST_SZ); - p += INST_SZ; - return p - buf; -} - -static int -unpack_cred(unsigned char *buf, int len, CREDENTIALS *cred) -{ - unsigned char *p = buf; - u_int32_t tmp; - - strncpy (cred->service, p, ANAME_SZ); - cred->service[ANAME_SZ - 1] = '\0'; - p += ANAME_SZ; - strncpy (cred->instance, p, INST_SZ); - cred->instance[INST_SZ - 1] = '\0'; - p += INST_SZ; - strncpy (cred->realm, p, REALM_SZ); - cred->realm[REALM_SZ - 1] = '\0'; - p += REALM_SZ; - - memcpy(cred->session, p, 8); - p += 8; - p += krb_get_int(p, &tmp, 4, 0); - cred->lifetime = tmp; - p += krb_get_int(p, &tmp, 4, 0); - cred->kvno = tmp; - - p += krb_get_int(p, &cred->ticket_st.length, 4, 0); - memcpy(cred->ticket_st.dat, p, cred->ticket_st.length); - p += cred->ticket_st.length; - p += krb_get_int(p, &tmp, 4, 0); - cred->ticket_st.mbz = 0; - p += krb_get_int(p, (u_int32_t *)&cred->issue_date, 4, 0); - - strncpy (cred->pname, p, ANAME_SZ); - cred->pname[ANAME_SZ - 1] = '\0'; - p += ANAME_SZ; - strncpy (cred->pinst, p, INST_SZ); - cred->pinst[INST_SZ - 1] = '\0'; - p += INST_SZ; - return 0; -} - - -int -kerberos4_forward(Authenticator *ap, void *v) -{ - des_cblock *key = (des_cblock *)v; - CREDENTIALS cred; - char *realm; - des_key_schedule ks; - int len; - unsigned char netcred[sizeof(CREDENTIALS)]; - int ret; - - realm = krb_realmofhost(RemoteHostName); - if(realm == NULL) - return -1; - memset(&cred, 0, sizeof(cred)); - ret = krb_get_cred(KRB_TICKET_GRANTING_TICKET, - realm, - realm, - &cred); - if(ret) - return ret; - des_set_key(key, ks); - len = pack_cred(&cred, netcred); - des_pcbc_encrypt((void*)netcred, (void*)netcred, len, - ks, key, DES_ENCRYPT); - memset(ks, 0, sizeof(ks)); - Data(ap, KRB_FORWARD, netcred, len); - memset(netcred, 0, sizeof(netcred)); - return 0; -} - -#endif /* KRB4 */ - diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/kerberos5.c b/crypto/kerberosIV/appl/telnet/libtelnet/kerberos5.c deleted file mode 100644 index 3e6abbb..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/kerberos5.c +++ /dev/null @@ -1,734 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America may - * require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - -#include <config.h> - -RCSID("$Id: kerberos5.c,v 1.38 1999/09/16 20:41:33 assar Exp $"); - -#ifdef KRB5 - -#include <arpa/telnet.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <netdb.h> -#include <ctype.h> -#include <pwd.h> -#define Authenticator k5_Authenticator -#include <krb5.h> -#undef Authenticator -#include <roken.h> -#ifdef SOCKS -#include <socks.h> -#endif - - -#include "encrypt.h" -#include "auth.h" -#include "misc.h" - -int forward_flags = 0; /* Flags get set in telnet/main.c on -f and -F */ - -/* These values need to be the same as those defined in telnet/main.c. */ -/* Either define them in both places, or put in some common header file. */ -#define OPTS_FORWARD_CREDS 0x00000002 -#define OPTS_FORWARDABLE_CREDS 0x00000001 - -void kerberos5_forward (Authenticator *); - -static unsigned char str_data[1024] = { IAC, SB, TELOPT_AUTHENTICATION, 0, - AUTHTYPE_KERBEROS_V5, }; - -#define KRB_AUTH 0 /* Authentication data follows */ -#define KRB_REJECT 1 /* Rejected (reason might follow) */ -#define KRB_ACCEPT 2 /* Accepted */ -#define KRB_RESPONSE 3 /* Response for mutual auth. */ - -#define KRB_FORWARD 4 /* Forwarded credentials follow */ -#define KRB_FORWARD_ACCEPT 5 /* Forwarded credentials accepted */ -#define KRB_FORWARD_REJECT 6 /* Forwarded credentials rejected */ - -static krb5_data auth; -static krb5_ticket *ticket; - -static krb5_context context; -static krb5_auth_context auth_context; - -static int -Data(Authenticator *ap, int type, void *d, int c) -{ - unsigned char *p = str_data + 4; - unsigned char *cd = (unsigned char *)d; - - if (c == -1) - c = strlen(cd); - - if (auth_debug_mode) { - printf("%s:%d: [%d] (%d)", - str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY", - str_data[3], - type, c); - printd(d, c); - printf("\r\n"); - } - *p++ = ap->type; - *p++ = ap->way; - *p++ = type; - while (c-- > 0) { - if ((*p++ = *cd++) == IAC) - *p++ = IAC; - } - *p++ = IAC; - *p++ = SE; - if (str_data[3] == TELQUAL_IS) - printsub('>', &str_data[2], p - &str_data[2]); - return(telnet_net_write(str_data, p - str_data)); -} - -int -kerberos5_init(Authenticator *ap, int server) -{ - if (server) - str_data[3] = TELQUAL_REPLY; - else - str_data[3] = TELQUAL_IS; - krb5_init_context(&context); - return(1); -} - -static int -kerberos5_send(char *name, Authenticator *ap) -{ - krb5_error_code ret; - krb5_ccache ccache; - int ap_opts; - krb5_data cksum_data; - char foo[2]; - extern int net; - - printf("[ Trying %s ... ]\r\n", name); - if (!UserNameRequested) { - if (auth_debug_mode) { - printf("Kerberos V5: no user name supplied\r\n"); - } - return(0); - } - - ret = krb5_cc_default(context, &ccache); - if (ret) { - if (auth_debug_mode) { - printf("Kerberos V5: could not get default ccache: %s\r\n", - krb5_get_err_text (context, ret)); - } - return 0; - } - - if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) - ap_opts = AP_OPTS_MUTUAL_REQUIRED; - else - ap_opts = 0; - - ret = krb5_auth_con_init (context, &auth_context); - if (ret) { - if (auth_debug_mode) { - printf("Kerberos V5: krb5_auth_con_init failed (%s)\r\n", - krb5_get_err_text(context, ret)); - } - return(0); - } - - ret = krb5_auth_con_setaddrs_from_fd (context, - auth_context, - &net); - if (ret) { - if (auth_debug_mode) { - printf ("Kerberos V5:" - " krb5_auth_con_setaddrs_from_fd failed (%s)\r\n", - krb5_get_err_text(context, ret)); - } - return(0); - } - - krb5_auth_setkeytype (context, auth_context, KEYTYPE_DES); - - foo[0] = ap->type; - foo[1] = ap->way; - - cksum_data.length = sizeof(foo); - cksum_data.data = foo; - ret = krb5_mk_req(context, &auth_context, ap_opts, - "host", RemoteHostName, - &cksum_data, ccache, &auth); - - if (ret) { - if (1 || auth_debug_mode) { - printf("Kerberos V5: mk_req failed (%s)\r\n", - krb5_get_err_text(context, ret)); - } - return(0); - } - - if (!auth_sendname((unsigned char *)UserNameRequested, - strlen(UserNameRequested))) { - if (auth_debug_mode) - printf("Not enough room for user name\r\n"); - return(0); - } - if (!Data(ap, KRB_AUTH, auth.data, auth.length)) { - if (auth_debug_mode) - printf("Not enough room for authentication data\r\n"); - return(0); - } - if (auth_debug_mode) { - printf("Sent Kerberos V5 credentials to server\r\n"); - } - return(1); -} - -int -kerberos5_send_mutual(Authenticator *ap) -{ - return kerberos5_send("mutual KERBEROS5", ap); -} - -int -kerberos5_send_oneway(Authenticator *ap) -{ - return kerberos5_send("KERBEROS5", ap); -} - -void -kerberos5_is(Authenticator *ap, unsigned char *data, int cnt) -{ - krb5_error_code ret; - krb5_data outbuf; - krb5_keyblock *key_block; - char *name; - krb5_principal server; - int zero = 0; - - if (cnt-- < 1) - return; - switch (*data++) { - case KRB_AUTH: - auth.data = (char *)data; - auth.length = cnt; - - auth_context = NULL; - - ret = krb5_auth_con_init (context, &auth_context); - if (ret) { - Data(ap, KRB_REJECT, "krb5_auth_con_init failed", -1); - auth_finished(ap, AUTH_REJECT); - if (auth_debug_mode) - printf("Kerberos V5: krb5_auth_con_init failed (%s)\r\n", - krb5_get_err_text(context, ret)); - return; - } - - ret = krb5_auth_con_setaddrs_from_fd (context, - auth_context, - &zero); - if (ret) { - Data(ap, KRB_REJECT, "krb5_auth_con_setaddrs_from_fd failed", -1); - auth_finished(ap, AUTH_REJECT); - if (auth_debug_mode) - printf("Kerberos V5: " - "krb5_auth_con_setaddrs_from_fd failed (%s)\r\n", - krb5_get_err_text(context, ret)); - return; - } - - ret = krb5_sock_to_principal (context, - 0, - "host", - KRB5_NT_SRV_HST, - &server); - if (ret) { - Data(ap, KRB_REJECT, "krb5_sock_to_principal failed", -1); - auth_finished(ap, AUTH_REJECT); - if (auth_debug_mode) - printf("Kerberos V5: " - "krb5_sock_to_principal failed (%s)\r\n", - krb5_get_err_text(context, ret)); - return; - } - - ret = krb5_rd_req(context, - &auth_context, - &auth, - server, - NULL, - NULL, - &ticket); - krb5_free_principal (context, server); - - if (ret) { - char *errbuf; - - asprintf(&errbuf, - "Read req failed: %s", - krb5_get_err_text(context, ret)); - Data(ap, KRB_REJECT, errbuf, -1); - if (auth_debug_mode) - printf("%s\r\n", errbuf); - free (errbuf); - return; - } - - { - char foo[2]; - - foo[0] = ap->type; - foo[1] = ap->way; - - ret = krb5_verify_authenticator_checksum(context, - auth_context, - foo, - sizeof(foo)); - - if (ret) { - char *errbuf; - asprintf(&errbuf, "Bad checksum: %s", - krb5_get_err_text(context, ret)); - Data(ap, KRB_REJECT, errbuf, -1); - if (auth_debug_mode) - printf ("%s\r\n", errbuf); - free(errbuf); - return; - } - } - ret = krb5_auth_con_getremotesubkey (context, - auth_context, - &key_block); - - if (ret) { - Data(ap, KRB_REJECT, "krb5_auth_con_getremotesubkey failed", -1); - auth_finished(ap, AUTH_REJECT); - if (auth_debug_mode) - printf("Kerberos V5: " - "krb5_auth_con_getremotesubkey failed (%s)\r\n", - krb5_get_err_text(context, ret)); - return; - } - - if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) { - ret = krb5_mk_rep(context, &auth_context, &outbuf); - if (ret) { - Data(ap, KRB_REJECT, - "krb5_mk_rep failed", -1); - auth_finished(ap, AUTH_REJECT); - if (auth_debug_mode) - printf("Kerberos V5: " - "krb5_mk_rep failed (%s)\r\n", - krb5_get_err_text(context, ret)); - return; - } - Data(ap, KRB_RESPONSE, outbuf.data, outbuf.length); - } - if (krb5_unparse_name(context, ticket->client, &name)) - name = 0; - - if(UserNameRequested && krb5_kuserok(context, - ticket->client, - UserNameRequested)) { - Data(ap, KRB_ACCEPT, name, name ? -1 : 0); - if (auth_debug_mode) { - printf("Kerberos5 identifies him as ``%s''\r\n", - name ? name : ""); - } - - if(key_block->keytype == ETYPE_DES_CBC_MD5 || - key_block->keytype == ETYPE_DES_CBC_MD4 || - key_block->keytype == ETYPE_DES_CBC_CRC) { - Session_Key skey; - - skey.type = SK_DES; - skey.length = 8; - skey.data = key_block->keyvalue.data; - encrypt_session_key(&skey, 0); - } - - } else { - char *msg; - - asprintf (&msg, "user `%s' is not authorized to " - "login as `%s'", - name ? name : "<unknown>", - UserNameRequested ? UserNameRequested : "<nobody>"); - if (msg == NULL) - Data(ap, KRB_REJECT, NULL, 0); - else { - Data(ap, KRB_REJECT, (void *)msg, -1); - free(msg); - } - } - auth_finished(ap, AUTH_USER); - - krb5_free_keyblock_contents(context, key_block); - - break; - case KRB_FORWARD: { - struct passwd *pwd; - char ccname[1024]; /* XXX */ - krb5_data inbuf; - krb5_ccache ccache; - inbuf.data = (char *)data; - inbuf.length = cnt; - - pwd = getpwnam (UserNameRequested); - if (pwd == NULL) - break; - - snprintf (ccname, sizeof(ccname), - "FILE:/tmp/krb5cc_%u", pwd->pw_uid); - - ret = krb5_cc_resolve (context, ccname, &ccache); - if (ret) { - if (auth_debug_mode) - printf ("Kerberos V5: could not get ccache: %s\r\n", - krb5_get_err_text(context, ret)); - break; - } - - ret = krb5_cc_initialize (context, - ccache, - ticket->client); - if (ret) { - if (auth_debug_mode) - printf ("Kerberos V5: could not init ccache: %s\r\n", - krb5_get_err_text(context, ret)); - break; - } - - ret = krb5_rd_cred (context, - auth_context, - ccache, - &inbuf); - if(ret) { - char *errbuf; - - asprintf (&errbuf, - "Read forwarded creds failed: %s", - krb5_get_err_text (context, ret)); - if(errbuf == NULL) - Data(ap, KRB_FORWARD_REJECT, NULL, 0); - else - Data(ap, KRB_FORWARD_REJECT, errbuf, -1); - if (auth_debug_mode) - printf("Could not read forwarded credentials: %s\r\n", - errbuf); - free (errbuf); - } else - Data(ap, KRB_FORWARD_ACCEPT, 0, 0); - chown (ccname + 5, pwd->pw_uid, -1); - if (auth_debug_mode) - printf("Forwarded credentials obtained\r\n"); - break; - } - default: - if (auth_debug_mode) - printf("Unknown Kerberos option %d\r\n", data[-1]); - Data(ap, KRB_REJECT, 0, 0); - break; - } -} - -void -kerberos5_reply(Authenticator *ap, unsigned char *data, int cnt) -{ - static int mutual_complete = 0; - - if (cnt-- < 1) - return; - switch (*data++) { - case KRB_REJECT: - if (cnt > 0) { - printf("[ Kerberos V5 refuses authentication because %.*s ]\r\n", - cnt, data); - } else - printf("[ Kerberos V5 refuses authentication ]\r\n"); - auth_send_retry(); - return; - case KRB_ACCEPT: { - krb5_error_code ret; - Session_Key skey; - krb5_keyblock *keyblock; - - if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL && - !mutual_complete) { - printf("[ Kerberos V5 accepted you, but didn't provide mutual authentication! ]\r\n"); - auth_send_retry(); - return; - } - if (cnt) - printf("[ Kerberos V5 accepts you as ``%.*s'' ]\r\n", cnt, data); - else - printf("[ Kerberos V5 accepts you ]\r\n"); - - ret = krb5_auth_con_getlocalsubkey (context, - auth_context, - &keyblock); - if (ret) - ret = krb5_auth_con_getkey (context, - auth_context, - &keyblock); - if(ret) { - printf("[ krb5_auth_con_getkey: %s ]\r\n", - krb5_get_err_text(context, ret)); - auth_send_retry(); - return; - } - - skey.type = SK_DES; - skey.length = 8; - skey.data = keyblock->keyvalue.data; - encrypt_session_key(&skey, 0); - krb5_free_keyblock_contents (context, keyblock); - auth_finished(ap, AUTH_USER); - if (forward_flags & OPTS_FORWARD_CREDS) - kerberos5_forward(ap); - break; - } - case KRB_RESPONSE: - if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) { - /* the rest of the reply should contain a krb_ap_rep */ - krb5_ap_rep_enc_part *reply; - krb5_data inbuf; - krb5_error_code ret; - - inbuf.length = cnt; - inbuf.data = (char *)data; - - ret = krb5_rd_rep(context, auth_context, &inbuf, &reply); - if (ret) { - printf("[ Mutual authentication failed: %s ]\r\n", - krb5_get_err_text (context, ret)); - auth_send_retry(); - return; - } - krb5_free_ap_rep_enc_part(context, reply); - mutual_complete = 1; - } - return; - case KRB_FORWARD_ACCEPT: - printf("[ Kerberos V5 accepted forwarded credentials ]\r\n"); - return; - case KRB_FORWARD_REJECT: - printf("[ Kerberos V5 refuses forwarded credentials because %.*s ]\r\n", - cnt, data); - return; - default: - if (auth_debug_mode) - printf("Unknown Kerberos option %d\r\n", data[-1]); - return; - } -} - -int -kerberos5_status(Authenticator *ap, char *name, size_t name_sz, int level) -{ - if (level < AUTH_USER) - return(level); - - if (UserNameRequested && - krb5_kuserok(context, - ticket->client, - UserNameRequested)) - { - strlcpy(name, UserNameRequested, name_sz); - return(AUTH_VALID); - } else - return(AUTH_USER); -} - -#define BUMP(buf, len) while (*(buf)) {++(buf), --(len);} -#define ADDC(buf, len, c) if ((len) > 0) {*(buf)++ = (c); --(len);} - -void -kerberos5_printsub(unsigned char *data, int cnt, unsigned char *buf, int buflen) -{ - int i; - - buf[buflen-1] = '\0'; /* make sure its NULL terminated */ - buflen -= 1; - - switch(data[3]) { - case KRB_REJECT: /* Rejected (reason might follow) */ - strlcpy((char *)buf, " REJECT ", buflen); - goto common; - - case KRB_ACCEPT: /* Accepted (name might follow) */ - strlcpy((char *)buf, " ACCEPT ", buflen); - common: - BUMP(buf, buflen); - if (cnt <= 4) - break; - ADDC(buf, buflen, '"'); - for (i = 4; i < cnt; i++) - ADDC(buf, buflen, data[i]); - ADDC(buf, buflen, '"'); - ADDC(buf, buflen, '\0'); - break; - - - case KRB_AUTH: /* Authentication data follows */ - strlcpy((char *)buf, " AUTH", buflen); - goto common2; - - case KRB_RESPONSE: - strlcpy((char *)buf, " RESPONSE", buflen); - goto common2; - - case KRB_FORWARD: /* Forwarded credentials follow */ - strlcpy((char *)buf, " FORWARD", buflen); - goto common2; - - case KRB_FORWARD_ACCEPT: /* Forwarded credentials accepted */ - strlcpy((char *)buf, " FORWARD_ACCEPT", buflen); - goto common2; - - case KRB_FORWARD_REJECT: /* Forwarded credentials rejected */ - /* (reason might follow) */ - strlcpy((char *)buf, " FORWARD_REJECT", buflen); - goto common2; - - default: - snprintf(buf, buflen, " %d (unknown)", data[3]); - common2: - BUMP(buf, buflen); - for (i = 4; i < cnt; i++) { - snprintf(buf, buflen, " %d", data[i]); - BUMP(buf, buflen); - } - break; - } -} - -void -kerberos5_forward(Authenticator *ap) -{ - krb5_error_code ret; - krb5_ccache ccache; - krb5_creds creds; - krb5_kdc_flags flags; - krb5_data out_data; - krb5_principal principal; - - ret = krb5_cc_default (context, &ccache); - if (ret) { - if (auth_debug_mode) - printf ("KerberosV5: could not get default ccache: %s\r\n", - krb5_get_err_text (context, ret)); - return; - } - - ret = krb5_cc_get_principal (context, ccache, &principal); - if (ret) { - if (auth_debug_mode) - printf ("KerberosV5: could not get principal: %s\r\n", - krb5_get_err_text (context, ret)); - return; - } - - memset (&creds, 0, sizeof(creds)); - - creds.client = principal; - - ret = krb5_build_principal (context, - &creds.server, - strlen(principal->realm), - principal->realm, - "krbtgt", - principal->realm, - NULL); - - if (ret) { - if (auth_debug_mode) - printf ("KerberosV5: could not get principal: %s\r\n", - krb5_get_err_text (context, ret)); - return; - } - - creds.times.endtime = 0; - - flags.i = 0; - flags.b.forwarded = 1; - if (forward_flags & OPTS_FORWARDABLE_CREDS) - flags.b.forwardable = 1; - - ret = krb5_get_forwarded_creds (context, - auth_context, - ccache, - flags.i, - RemoteHostName, - &creds, - &out_data); - if (ret) { - if (auth_debug_mode) - printf ("Kerberos V5: error gettting forwarded creds: %s\r\n", - krb5_get_err_text (context, ret)); - return; - } - - if(!Data(ap, KRB_FORWARD, out_data.data, out_data.length)) { - if (auth_debug_mode) - printf("Not enough room for authentication data\r\n"); - } else { - if (auth_debug_mode) - printf("Forwarded local Kerberos V5 credentials to server\r\n"); - } -} - -#endif /* KRB5 */ diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/krb4encpwd.c b/crypto/kerberosIV/appl/telnet/libtelnet/krb4encpwd.c deleted file mode 100644 index 82f31e7..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/krb4encpwd.c +++ /dev/null @@ -1,439 +0,0 @@ -/*- - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -/* $FreeBSD$ */ - -#include <config.h> - -RCSID("$Id: krb4encpwd.c,v 1.18 1999/09/16 20:41:34 assar Exp $"); - -#ifdef KRB4_ENCPWD -/* - * COPYRIGHT (C) 1990 DIGITAL EQUIPMENT CORPORATION - * ALL RIGHTS RESERVED - * - * "Digital Equipment Corporation authorizes the reproduction, - * distribution and modification of this software subject to the following - * restrictions: - * - * 1. Any partial or whole copy of this software, or any modification - * thereof, must include this copyright notice in its entirety. - * - * 2. This software is supplied "as is" with no warranty of any kind, - * expressed or implied, for any purpose, including any warranty of fitness - * or merchantibility. DIGITAL assumes no responsibility for the use or - * reliability of this software, nor promises to provide any form of - * support for it on any basis. - * - * 3. Distribution of this software is authorized only if no profit or - * remuneration of any kind is received in exchange for such distribution. - * - * 4. This software produces public key authentication certificates - * bearing an expiration date established by DIGITAL and RSA Data - * Security, Inc. It may cease to generate certificates after the expiration - * date. Any modification of this software that changes or defeats - * the expiration date or its effect is unauthorized. - * - * 5. Software that will renew or extend the expiration date of - * authentication certificates produced by this software may be obtained - * from RSA Data Security, Inc., 10 Twin Dolphin Drive, Redwood City, CA - * 94065, (415)595-8782, or from DIGITAL" - * - */ - -#include <sys/types.h> -#include <arpa/telnet.h> -#include <pwd.h> -#include <stdio.h> - -#define OPENSSL_DES_LIBDES_COMPATIBILITY -#include <openssl/des.h> -#include <krb.h> -#include <stdlib.h> -#include <string.h> -#ifdef SOCKS -#include <socks.h> -#endif - -#include "encrypt.h" -#include "auth.h" -#include "misc.h" - -int krb_mk_encpwd_req (KTEXT, char *, char *, char *, char *, char *, char *); -int krb_rd_encpwd_req (KTEXT, char *, char *, u_long, AUTH_DAT *, char *, char *, char *, char *); - -extern auth_debug_mode; - -static unsigned char str_data[1024] = { IAC, SB, TELOPT_AUTHENTICATION, 0, - AUTHTYPE_KRB4_ENCPWD, }; -static unsigned char str_name[1024] = { IAC, SB, TELOPT_AUTHENTICATION, - TELQUAL_NAME, }; - -#define KRB4_ENCPWD_AUTH 0 /* Authentication data follows */ -#define KRB4_ENCPWD_REJECT 1 /* Rejected (reason might follow) */ -#define KRB4_ENCPWD_ACCEPT 2 /* Accepted */ -#define KRB4_ENCPWD_CHALLENGE 3 /* Challenge for mutual auth. */ -#define KRB4_ENCPWD_ACK 4 /* Acknowledge */ - -#define KRB_SERVICE_NAME "rcmd" - -static KTEXT_ST auth; -static char name[ANAME_SZ]; -static char user_passwd[ANAME_SZ]; -static AUTH_DAT adat = { 0 }; -static des_key_schedule sched; -static char challenge[REALM_SZ]; - - static int -Data(ap, type, d, c) - Authenticator *ap; - int type; - void *d; - int c; -{ - unsigned char *p = str_data + 4; - unsigned char *cd = (unsigned char *)d; - - if (c == -1) - c = strlen(cd); - - if (0) { - printf("%s:%d: [%d] (%d)", - str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY", - str_data[3], - type, c); - printd(d, c); - printf("\r\n"); - } - *p++ = ap->type; - *p++ = ap->way; - *p++ = type; - while (c-- > 0) { - if ((*p++ = *cd++) == IAC) - *p++ = IAC; - } - *p++ = IAC; - *p++ = SE; - if (str_data[3] == TELQUAL_IS) - printsub('>', &str_data[2], p - (&str_data[2])); - return(telnet_net_write(str_data, p - str_data)); -} - - int -krb4encpwd_init(ap, server) - Authenticator *ap; - int server; -{ - char hostname[80], *cp, *realm; - des_clock skey; - - if (server) { - str_data[3] = TELQUAL_REPLY; - } else { - str_data[3] = TELQUAL_IS; - gethostname(hostname, sizeof(hostname)); - realm = krb_realmofhost(hostname); - cp = strchr(hostname, '.'); - if (*cp != NULL) *cp = NULL; - if (read_service_key(KRB_SERVICE_NAME, hostname, realm, 0, - KEYFILE, (char *)skey)) { - return(0); - } - } - return(1); -} - - int -krb4encpwd_send(ap) - Authenticator *ap; -{ - - printf("[ Trying KRB4ENCPWD ... ]\r\n"); - if (!UserNameRequested) { - return(0); - } - if (!auth_sendname(UserNameRequested, strlen(UserNameRequested))) { - return(0); - } - - if (!Data(ap, KRB4_ENCPWD_ACK, NULL, 0)) { - return(0); - } - - return(1); -} - - void -krb4encpwd_is(ap, data, cnt) - Authenticator *ap; - unsigned char *data; - int cnt; -{ - Session_Key skey; - des_cblock datablock; - char r_passwd[ANAME_SZ], r_user[ANAME_SZ]; - char lhostname[ANAME_SZ], *cp; - int r; - time_t now; - - if (cnt-- < 1) - return; - switch (*data++) { - case KRB4_ENCPWD_AUTH: - memmove(auth.dat, data, auth.length = cnt); - - gethostname(lhostname, sizeof(lhostname)); - if ((cp = strchr(lhostname, '.')) != 0) *cp = '\0'; - - if (r = krb_rd_encpwd_req(&auth, KRB_SERVICE_NAME, lhostname, 0, &adat, NULL, challenge, r_user, r_passwd)) { - Data(ap, KRB4_ENCPWD_REJECT, "Auth failed", -1); - auth_finished(ap, AUTH_REJECT); - return; - } - auth_encrypt_userpwd(r_passwd); - if (passwdok(UserNameRequested, UserPassword) == 0) { - /* - * illegal username and password - */ - Data(ap, KRB4_ENCPWD_REJECT, "Illegal password", -1); - auth_finished(ap, AUTH_REJECT); - return; - } - - memmove(session_key, adat.session, sizeof(des_cblock)); - Data(ap, KRB4_ENCPWD_ACCEPT, 0, 0); - auth_finished(ap, AUTH_USER); - break; - - case KRB4_ENCPWD_CHALLENGE: - /* - * Take the received random challenge text and save - * for future authentication. - */ - memmove(challenge, data, sizeof(des_cblock)); - break; - - - case KRB4_ENCPWD_ACK: - /* - * Receive ack, if mutual then send random challenge - */ - - /* - * If we are doing mutual authentication, get set up to send - * the challenge, and verify it when the response comes back. - */ - - if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) { - int i; - - time(&now); - snprintf(challenge, sizeof(challenge), "%x", now); - Data(ap, KRB4_ENCPWD_CHALLENGE, challenge, strlen(challenge)); - } - break; - - default: - Data(ap, KRB4_ENCPWD_REJECT, 0, 0); - break; - } -} - - - void -krb4encpwd_reply(ap, data, cnt) - Authenticator *ap; - unsigned char *data; - int cnt; -{ - Session_Key skey; - KTEXT_ST krb_token; - des_cblock enckey; - CREDENTIALS cred; - int r; - char randchal[REALM_SZ], instance[ANAME_SZ], *cp; - char hostname[80], *realm; - - if (cnt-- < 1) - return; - switch (*data++) { - case KRB4_ENCPWD_REJECT: - if (cnt > 0) { - printf("[ KRB4_ENCPWD refuses authentication because %.*s ]\r\n", - cnt, data); - } else - printf("[ KRB4_ENCPWD refuses authentication ]\r\n"); - auth_send_retry(); - return; - case KRB4_ENCPWD_ACCEPT: - printf("[ KRB4_ENCPWD accepts you ]\r\n"); - auth_finished(ap, AUTH_USER); - return; - case KRB4_ENCPWD_CHALLENGE: - /* - * Verify that the response to the challenge is correct. - */ - - gethostname(hostname, sizeof(hostname)); - realm = krb_realmofhost(hostname); - memmove(challenge, data, cnt); - memset(user_passwd, 0, sizeof(user_passwd)); - des_read_pw_string(user_passwd, sizeof(user_passwd)-1, "Password: ", 0); - UserPassword = user_passwd; - Challenge = challenge; - strlcpy(instance, RemoteHostName, sizeof(instance)); - if ((cp = strchr(instance, '.')) != 0) *cp = '\0'; - - if (r = krb_mk_encpwd_req(&krb_token, KRB_SERVICE_NAME, instance, realm, Challenge, UserNameRequested, user_passwd)) { - krb_token.length = 0; - } - - if (!Data(ap, KRB4_ENCPWD_AUTH, krb_token.dat, krb_token.length)) { - return; - } - - break; - - default: - return; - } -} - - int -krb4encpwd_status(ap, name, name_sz, level) - Authenticator *ap; - char *name; - size_t name_sz; - int level; -{ - - if (level < AUTH_USER) - return(level); - - if (UserNameRequested && passwdok(UserNameRequested, UserPassword)) { - strlcpy(name, UserNameRequested, name_sz); - return(AUTH_VALID); - } else { - return(AUTH_USER); - } -} - -#define BUMP(buf, len) while (*(buf)) {++(buf), --(len);} -#define ADDC(buf, len, c) if ((len) > 0) {*(buf)++ = (c); --(len);} - - void -krb4encpwd_printsub(data, cnt, buf, buflen) - unsigned char *data, *buf; - int cnt, buflen; -{ - int i; - - buf[buflen-1] = '\0'; /* make sure its NULL terminated */ - buflen -= 1; - - switch(data[3]) { - case KRB4_ENCPWD_REJECT: /* Rejected (reason might follow) */ - strlcpy((char *)buf, " REJECT ", buflen); - goto common; - - case KRB4_ENCPWD_ACCEPT: /* Accepted (name might follow) */ - strlcpy((char *)buf, " ACCEPT ", buflen); - common: - BUMP(buf, buflen); - if (cnt <= 4) - break; - ADDC(buf, buflen, '"'); - for (i = 4; i < cnt; i++) - ADDC(buf, buflen, data[i]); - ADDC(buf, buflen, '"'); - ADDC(buf, buflen, '\0'); - break; - - case KRB4_ENCPWD_AUTH: /* Authentication data follows */ - strlcpy((char *)buf, " AUTH", buflen); - goto common2; - - case KRB4_ENCPWD_CHALLENGE: - strlcpy((char *)buf, " CHALLENGE", buflen); - goto common2; - - case KRB4_ENCPWD_ACK: - strlcpy((char *)buf, " ACK", buflen); - goto common2; - - default: - snprintf(buf, buflen, " %d (unknown)", data[3]); - common2: - BUMP(buf, buflen); - for (i = 4; i < cnt; i++) { - snprintf(buf, buflen, " %d", data[i]); - BUMP(buf, buflen); - } - break; - } -} - -int passwdok(name, passwd) -char *name, *passwd; -{ - char *crypt(); - char *salt, *p; - struct passwd *pwd; - int passwdok_status = 0; - - if (pwd = k_getpwnam(name)) - salt = pwd->pw_passwd; - else salt = "xx"; - - p = crypt(passwd, salt); - - if (pwd && !strcmp(p, pwd->pw_passwd)) { - passwdok_status = 1; - } else passwdok_status = 0; - return(passwdok_status); -} - -#endif - -#ifdef notdef - -prkey(msg, key) - char *msg; - unsigned char *key; -{ - int i; - printf("%s:", msg); - for (i = 0; i < 8; i++) - printf(" %3d", key[i]); - printf("\r\n"); -} -#endif diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/misc-proto.h b/crypto/kerberosIV/appl/telnet/libtelnet/misc-proto.h deleted file mode 100644 index a31d924..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/misc-proto.h +++ /dev/null @@ -1,79 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)misc-proto.h 8.1 (Berkeley) 6/4/93 - */ - -/* - * Copyright (C) 1990 by the Massachusetts Institute of Technology - * - * Export of this software from the United States of America is assumed - * to require a specific license from the United States Government. - * It is the responsibility of any person or organization contemplating - * export to obtain such a license before exporting. - * - * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and - * distribute this software and its documentation for any purpose and - * without fee is hereby granted, provided that the above copyright - * notice appear in all copies and that both that copyright notice and - * this permission notice appear in supporting documentation, and that - * the name of M.I.T. not be used in advertising or publicity pertaining - * to distribution of the software without specific, written prior - * permission. M.I.T. makes no representations about the suitability of - * this software for any purpose. It is provided "as is" without express - * or implied warranty. - */ - -/* $Id: misc-proto.h,v 1.7 1998/07/09 23:16:30 assar Exp $ */ - -#ifndef __MISC_PROTO__ -#define __MISC_PROTO__ - -void auth_encrypt_init (char *, char *, char *, int); -void auth_encrypt_user(char *name); -void auth_encrypt_connect (int); -void printd (const unsigned char *, int); - -char** genget (char *name, char **table, int stlen); -int isprefix(char *s1, char *s2); -int Ambiguous(void *s); - -/* - * These functions are imported from the application - */ -int telnet_net_write (unsigned char *, int); -void net_encrypt (void); -int telnet_spin (void); -char *telnet_getenv (char *); -char *telnet_gets (char *, char *, int, int); -void printsub(int direction, unsigned char *pointer, int length); -#endif diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/misc.c b/crypto/kerberosIV/appl/telnet/libtelnet/misc.c deleted file mode 100644 index 2d9199f..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/misc.c +++ /dev/null @@ -1,94 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <config.h> - -RCSID("$Id: misc.c,v 1.13 1998/06/13 00:06:54 assar Exp $"); - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <roken.h> -#ifdef SOCKS -#include <socks.h> -#endif -#include "misc.h" -#include "auth.h" -#include "encrypt.h" - - -char *RemoteHostName; -char *LocalHostName; -char *UserNameRequested = 0; -int ConnectedCount = 0; - -void -auth_encrypt_init(char *local, char *remote, char *name, int server) -{ - RemoteHostName = remote; - LocalHostName = local; -#ifdef AUTHENTICATION - auth_init(name, server); -#endif -#ifdef ENCRYPTION - encrypt_init(name, server); -#endif - if (UserNameRequested) { - free(UserNameRequested); - UserNameRequested = 0; - } -} - -void -auth_encrypt_user(char *name) -{ - if (UserNameRequested) - free(UserNameRequested); - UserNameRequested = name ? strdup(name) : 0; -} - -void -auth_encrypt_connect(int cnt) -{ -} - -void -printd(const unsigned char *data, int cnt) -{ - if (cnt > 16) - cnt = 16; - while (cnt-- > 0) { - printf(" %02x", *data); - ++data; - } -} diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/misc.h b/crypto/kerberosIV/appl/telnet/libtelnet/misc.h deleted file mode 100644 index 41ffa7f..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/misc.h +++ /dev/null @@ -1,42 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)misc.h 8.1 (Berkeley) 6/4/93 - */ - -extern char *UserNameRequested; -extern char *LocalHostName; -extern char *RemoteHostName; -extern int ConnectedCount; -extern int ReservedPort; - -#include "misc-proto.h" diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/rsaencpwd.c b/crypto/kerberosIV/appl/telnet/libtelnet/rsaencpwd.c deleted file mode 100644 index dafb448..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/rsaencpwd.c +++ /dev/null @@ -1,487 +0,0 @@ -/*- - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <config.h> - -RCSID("$Id: rsaencpwd.c,v 1.18 1999/09/16 20:41:34 assar Exp $"); - -#ifdef RSA_ENCPWD -/* - * COPYRIGHT (C) 1990 DIGITAL EQUIPMENT CORPORATION - * ALL RIGHTS RESERVED - * - * "Digital Equipment Corporation authorizes the reproduction, - * distribution and modification of this software subject to the following - * restrictions: - * - * 1. Any partial or whole copy of this software, or any modification - * thereof, must include this copyright notice in its entirety. - * - * 2. This software is supplied "as is" with no warranty of any kind, - * expressed or implied, for any purpose, including any warranty of fitness - * or merchantibility. DIGITAL assumes no responsibility for the use or - * reliability of this software, nor promises to provide any form of - * support for it on any basis. - * - * 3. Distribution of this software is authorized only if no profit or - * remuneration of any kind is received in exchange for such distribution. - * - * 4. This software produces public key authentication certificates - * bearing an expiration date established by DIGITAL and RSA Data - * Security, Inc. It may cease to generate certificates after the expiration - * date. Any modification of this software that changes or defeats - * the expiration date or its effect is unauthorized. - * - * 5. Software that will renew or extend the expiration date of - * authentication certificates produced by this software may be obtained - * from RSA Data Security, Inc., 10 Twin Dolphin Drive, Redwood City, CA - * 94065, (415)595-8782, or from DIGITAL" - * - */ - -#include <sys/types.h> -#ifdef HAVE_ARPA_TELNET_H -#include <arpa/telnet.h> -#endif -#include <pwd.h> -#include <stdio.h> - -#include <stdlib.h> -#include <string.h> -#ifdef SOCKS -#include <socks.h> -#endif - -#include "encrypt.h" -#include "auth.h" -#include "misc.h" -#include "cdc.h" - -extern auth_debug_mode; - -static unsigned char str_data[1024] = { IAC, SB, TELOPT_AUTHENTICATION, 0, - AUTHTYPE_RSA_ENCPWD, }; -static unsigned char str_name[1024] = { IAC, SB, TELOPT_AUTHENTICATION, - TELQUAL_NAME, }; - -#define RSA_ENCPWD_AUTH 0 /* Authentication data follows */ -#define RSA_ENCPWD_REJECT 1 /* Rejected (reason might follow) */ -#define RSA_ENCPWD_ACCEPT 2 /* Accepted */ -#define RSA_ENCPWD_CHALLENGEKEY 3 /* Challenge and public key */ - -#define NAME_SZ 40 -#define CHAL_SZ 20 -#define PWD_SZ 40 - -static KTEXT_ST auth; -static char name[NAME_SZ]; -static char user_passwd[PWD_SZ]; -static char key_file[2*NAME_SZ]; -static char lhostname[NAME_SZ]; -static char challenge[CHAL_SZ]; -static int challenge_len; - - static int -Data(ap, type, d, c) - Authenticator *ap; - int type; - void *d; - int c; -{ - unsigned char *p = str_data + 4; - unsigned char *cd = (unsigned char *)d; - - if (c == -1) - c = strlen((char *)cd); - - if (0) { - printf("%s:%d: [%d] (%d)", - str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY", - str_data[3], - type, c); - printd(d, c); - printf("\r\n"); - } - *p++ = ap->type; - *p++ = ap->way; - if (type != NULL) *p++ = type; - while (c-- > 0) { - if ((*p++ = *cd++) == IAC) - *p++ = IAC; - } - *p++ = IAC; - *p++ = SE; - if (str_data[3] == TELQUAL_IS) - printsub('>', &str_data[2], p - (&str_data[2])); - return(telnet_net_write(str_data, p - str_data)); -} - - int -rsaencpwd_init(ap, server) - Authenticator *ap; - int server; -{ - char *cp; - FILE *fp; - - if (server) { - str_data[3] = TELQUAL_REPLY; - memset(key_file, 0, sizeof(key_file)); - gethostname(lhostname, sizeof(lhostname)); - if ((cp = strchr(lhostname, '.')) != 0) *cp = '\0'; - snprintf(key_file, sizeof(key_file), - "/etc/.%s_privkey", lhostname); - if ((fp=fopen(key_file, "r"))==NULL) return(0); - fclose(fp); - } else { - str_data[3] = TELQUAL_IS; - } - return(1); -} - - int -rsaencpwd_send(ap) - Authenticator *ap; -{ - - printf("[ Trying RSAENCPWD ... ]\r\n"); - if (!UserNameRequested) { - return(0); - } - if (!auth_sendname(UserNameRequested, strlen(UserNameRequested))) { - return(0); - } - if (!Data(ap, NULL, NULL, 0)) { - return(0); - } - - - return(1); -} - - void -rsaencpwd_is(ap, data, cnt) - Authenticator *ap; - unsigned char *data; - int cnt; -{ - Session_Key skey; - des_cblock datablock; - char r_passwd[PWD_SZ], r_user[NAME_SZ]; - char *cp, key[160]; - char chalkey[160], *ptr; - FILE *fp; - int r, i, j, chalkey_len, len; - time_t now; - - cnt--; - switch (*data++) { - case RSA_ENCPWD_AUTH: - memmove(auth.dat, data, auth.length = cnt); - - if ((fp=fopen(key_file, "r"))==NULL) { - Data(ap, RSA_ENCPWD_REJECT, "Auth failed", -1); - auth_finished(ap, AUTH_REJECT); - return; - } - /* - * get privkey - */ - fscanf(fp, "%x;", &len); - for (i=0;i<len;i++) { - j = getc(fp); key[i]=j; - } - fclose(fp); - - r = accept_rsa_encpwd(&auth, key, challenge, - challenge_len, r_passwd); - if (r < 0) { - Data(ap, RSA_ENCPWD_REJECT, "Auth failed", -1); - auth_finished(ap, AUTH_REJECT); - return; - } - auth_encrypt_userpwd(r_passwd); - if (rsaencpwd_passwdok(UserNameRequested, UserPassword) == 0) { - /* - * illegal username and password - */ - Data(ap, RSA_ENCPWD_REJECT, "Illegal password", -1); - auth_finished(ap, AUTH_REJECT); - return; - } - - Data(ap, RSA_ENCPWD_ACCEPT, 0, 0); - auth_finished(ap, AUTH_USER); - break; - - - case IAC: - - /* - * If we are doing mutual authentication, get set up to send - * the challenge, and verify it when the response comes back. - */ - if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_ONE_WAY) { - int i; - - - time(&now); - if ((now % 2) == 0) { - snprintf(challenge, sizeof(challenge), "%x", now); - challenge_len = strlen(challenge); - } else { - strlcpy(challenge, "randchal", sizeof(challenge)); - challenge_len = 8; - } - - if ((fp=fopen(key_file, "r"))==NULL) { - Data(ap, RSA_ENCPWD_REJECT, "Auth failed", -1); - auth_finished(ap, AUTH_REJECT); - return; - } - /* - * skip privkey - */ - fscanf(fp, "%x;", &len); - for (i=0;i<len;i++) { - j = getc(fp); - } - /* - * get pubkey - */ - fscanf(fp, "%x;", &len); - for (i=0;i<len;i++) { - j = getc(fp); key[i]=j; - } - fclose(fp); - chalkey[0] = 0x30; - ptr = (char *) &chalkey[1]; - chalkey_len = 1+NumEncodeLengthOctets(i)+i+1+NumEncodeLengthOctets(challenge_len)+challenge_len; - EncodeLength(ptr, chalkey_len); - ptr +=NumEncodeLengthOctets(chalkey_len); - *ptr++ = 0x04; /* OCTET STRING */ - *ptr++ = challenge_len; - memmove(ptr, challenge, challenge_len); - ptr += challenge_len; - *ptr++ = 0x04; /* OCTET STRING */ - EncodeLength(ptr, i); - ptr += NumEncodeLengthOctets(i); - memmove(ptr, key, i); - chalkey_len = 1+NumEncodeLengthOctets(chalkey_len)+chalkey_len; - Data(ap, RSA_ENCPWD_CHALLENGEKEY, chalkey, chalkey_len); - } - break; - - default: - Data(ap, RSA_ENCPWD_REJECT, 0, 0); - break; - } -} - - - void -rsaencpwd_reply(ap, data, cnt) - Authenticator *ap; - unsigned char *data; - int cnt; -{ - Session_Key skey; - KTEXT_ST token; - des_cblock enckey; - int r, pubkey_len; - char randchal[CHAL_SZ], *cp; - char chalkey[160], pubkey[128], *ptr; - - if (cnt-- < 1) - return; - switch (*data++) { - case RSA_ENCPWD_REJECT: - if (cnt > 0) { - printf("[ RSA_ENCPWD refuses authentication because %.*s ]\r\n", - cnt, data); - } else - printf("[ RSA_ENCPWD refuses authentication ]\r\n"); - auth_send_retry(); - return; - case RSA_ENCPWD_ACCEPT: - printf("[ RSA_ENCPWD accepts you ]\r\n"); - auth_finished(ap, AUTH_USER); - return; - case RSA_ENCPWD_CHALLENGEKEY: - /* - * Verify that the response to the challenge is correct. - */ - - memmove(chalkey, data, cnt); - ptr = (char *) &chalkey[0]; - ptr += DecodeHeaderLength(chalkey); - if (*ptr != 0x04) { - return; - } - *ptr++; - challenge_len = DecodeValueLength(ptr); - ptr += NumEncodeLengthOctets(challenge_len); - memmove(challenge, ptr, challenge_len); - ptr += challenge_len; - if (*ptr != 0x04) { - return; - } - *ptr++; - pubkey_len = DecodeValueLength(ptr); - ptr += NumEncodeLengthOctets(pubkey_len); - memmove(pubkey, ptr, pubkey_len); - memset(user_passwd, 0, sizeof(user_passwd)); - des_read_pw_string(user_passwd, sizeof(user_passwd)-1, "Password: ", 0); - UserPassword = user_passwd; - Challenge = challenge; - r = init_rsa_encpwd(&token, user_passwd, challenge, challenge_len, pubkey); - if (r < 0) { - token.length = 1; - } - - if (!Data(ap, RSA_ENCPWD_AUTH, token.dat, token.length)) { - return; - } - - break; - - default: - return; - } -} - - int -rsaencpwd_status(ap, name, name_sz, level) - Authenticator *ap; - char *name; - size_t name_sz; - int level; -{ - - if (level < AUTH_USER) - return(level); - - if (UserNameRequested && rsaencpwd_passwdok(UserNameRequested, UserPassword)) { - strlcpy(name, UserNameRequested, name_sz); - return(AUTH_VALID); - } else { - return(AUTH_USER); - } -} - -#define BUMP(buf, len) while (*(buf)) {++(buf), --(len);} -#define ADDC(buf, len, c) if ((len) > 0) {*(buf)++ = (c); --(len);} - - void -rsaencpwd_printsub(data, cnt, buf, buflen) - unsigned char *data, *buf; - int cnt, buflen; -{ - int i; - - buf[buflen-1] = '\0'; /* make sure its NULL terminated */ - buflen -= 1; - - switch(data[3]) { - case RSA_ENCPWD_REJECT: /* Rejected (reason might follow) */ - strlcpy((char *)buf, " REJECT ", buflen); - goto common; - - case RSA_ENCPWD_ACCEPT: /* Accepted (name might follow) */ - strlcpy((char *)buf, " ACCEPT ", buflen); - common: - BUMP(buf, buflen); - if (cnt <= 4) - break; - ADDC(buf, buflen, '"'); - for (i = 4; i < cnt; i++) - ADDC(buf, buflen, data[i]); - ADDC(buf, buflen, '"'); - ADDC(buf, buflen, '\0'); - break; - - case RSA_ENCPWD_AUTH: /* Authentication data follows */ - strlcpy((char *)buf, " AUTH", buflen); - goto common2; - - case RSA_ENCPWD_CHALLENGEKEY: - strlcpy((char *)buf, " CHALLENGEKEY", buflen); - goto common2; - - default: - snprintf(buf, buflen, " %d (unknown)", data[3]); - common2: - BUMP(buf, buflen); - for (i = 4; i < cnt; i++) { - snprintf(buf, buflen, " %d", data[i]); - BUMP(buf, buflen); - } - break; - } -} - -int rsaencpwd_passwdok(name, passwd) -char *name, *passwd; -{ - char *crypt(); - char *salt, *p; - struct passwd *pwd; - int passwdok_status = 0; - - if (pwd = k_getpwnam(name)) - salt = pwd->pw_passwd; - else salt = "xx"; - - p = crypt(passwd, salt); - - if (pwd && !strcmp(p, pwd->pw_passwd)) { - passwdok_status = 1; - } else passwdok_status = 0; - return(passwdok_status); -} - -#endif - -#ifdef notdef - -prkey(msg, key) - char *msg; - unsigned char *key; -{ - int i; - printf("%s:", msg); - for (i = 0; i < 8; i++) - printf(" %3d", key[i]); - printf("\r\n"); -} -#endif diff --git a/crypto/kerberosIV/appl/telnet/libtelnet/spx.c b/crypto/kerberosIV/appl/telnet/libtelnet/spx.c deleted file mode 100644 index 9155ef2..0000000 --- a/crypto/kerberosIV/appl/telnet/libtelnet/spx.c +++ /dev/null @@ -1,586 +0,0 @@ -/*- - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <config.h> - -RCSID("$Id: spx.c,v 1.17 1999/09/16 20:41:34 assar Exp $"); - -#ifdef SPX -/* - * COPYRIGHT (C) 1990 DIGITAL EQUIPMENT CORPORATION - * ALL RIGHTS RESERVED - * - * "Digital Equipment Corporation authorizes the reproduction, - * distribution and modification of this software subject to the following - * restrictions: - * - * 1. Any partial or whole copy of this software, or any modification - * thereof, must include this copyright notice in its entirety. - * - * 2. This software is supplied "as is" with no warranty of any kind, - * expressed or implied, for any purpose, including any warranty of fitness - * or merchantibility. DIGITAL assumes no responsibility for the use or - * reliability of this software, nor promises to provide any form of - * support for it on any basis. - * - * 3. Distribution of this software is authorized only if no profit or - * remuneration of any kind is received in exchange for such distribution. - * - * 4. This software produces public key authentication certificates - * bearing an expiration date established by DIGITAL and RSA Data - * Security, Inc. It may cease to generate certificates after the expiration - * date. Any modification of this software that changes or defeats - * the expiration date or its effect is unauthorized. - * - * 5. Software that will renew or extend the expiration date of - * authentication certificates produced by this software may be obtained - * from RSA Data Security, Inc., 10 Twin Dolphin Drive, Redwood City, CA - * 94065, (415)595-8782, or from DIGITAL" - * - */ - -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#ifdef HAVE_ARPA_TELNET_H -#include <arpa/telnet.h> -#endif -#include <stdio.h> -#include "gssapi_defs.h" -#include <stdlib.h> -#include <string.h> - -#include <pwd.h> -#ifdef SOCKS -#include <socks.h> -#endif - -#include "encrypt.h" -#include "auth.h" -#include "misc.h" - -extern auth_debug_mode; - -static unsigned char str_data[1024] = { IAC, SB, TELOPT_AUTHENTICATION, 0, - AUTHTYPE_SPX, }; -static unsigned char str_name[1024] = { IAC, SB, TELOPT_AUTHENTICATION, - TELQUAL_NAME, }; - -#define SPX_AUTH 0 /* Authentication data follows */ -#define SPX_REJECT 1 /* Rejected (reason might follow) */ -#define SPX_ACCEPT 2 /* Accepted */ - -static des_key_schedule sched; -static des_cblock challenge = { 0 }; - - -/*******************************************************************/ - -gss_OID_set actual_mechs; -gss_OID actual_mech_type, output_name_type; -int major_status, status, msg_ctx = 0, new_status; -int req_flags = 0, ret_flags, lifetime_rec; -gss_cred_id_t gss_cred_handle; -gss_ctx_id_t actual_ctxhandle, context_handle; -gss_buffer_desc output_token, input_token, input_name_buffer; -gss_buffer_desc status_string; -gss_name_t desired_targname, src_name; -gss_channel_bindings input_chan_bindings; -char lhostname[GSS_C_MAX_PRINTABLE_NAME]; -char targ_printable[GSS_C_MAX_PRINTABLE_NAME]; -int to_addr=0, from_addr=0; -char *address; -gss_buffer_desc fullname_buffer; -gss_OID fullname_type; -gss_cred_id_t gss_delegated_cred_handle; - -/*******************************************************************/ - - - - static int -Data(ap, type, d, c) - Authenticator *ap; - int type; - void *d; - int c; -{ - unsigned char *p = str_data + 4; - unsigned char *cd = (unsigned char *)d; - - if (c == -1) - c = strlen((char *)cd); - - if (0) { - printf("%s:%d: [%d] (%d)", - str_data[3] == TELQUAL_IS ? ">>>IS" : ">>>REPLY", - str_data[3], - type, c); - printd(d, c); - printf("\r\n"); - } - *p++ = ap->type; - *p++ = ap->way; - *p++ = type; - while (c-- > 0) { - if ((*p++ = *cd++) == IAC) - *p++ = IAC; - } - *p++ = IAC; - *p++ = SE; - if (str_data[3] == TELQUAL_IS) - printsub('>', &str_data[2], p - (&str_data[2])); - return(telnet_net_write(str_data, p - str_data)); -} - - int -spx_init(ap, server) - Authenticator *ap; - int server; -{ - gss_cred_id_t tmp_cred_handle; - - if (server) { - str_data[3] = TELQUAL_REPLY; - gethostname(lhostname, sizeof(lhostname)); - snprintf (targ_printable, sizeof(targ_printable), - "SERVICE:rcmd@%s", lhostname); - input_name_buffer.length = strlen(targ_printable); - input_name_buffer.value = targ_printable; - major_status = gss_import_name(&status, - &input_name_buffer, - GSS_C_NULL_OID, - &desired_targname); - major_status = gss_acquire_cred(&status, - desired_targname, - 0, - GSS_C_NULL_OID_SET, - GSS_C_ACCEPT, - &tmp_cred_handle, - &actual_mechs, - &lifetime_rec); - if (major_status != GSS_S_COMPLETE) return(0); - } else { - str_data[3] = TELQUAL_IS; - } - return(1); -} - - int -spx_send(ap) - Authenticator *ap; -{ - des_cblock enckey; - int r; - - gss_OID actual_mech_type, output_name_type; - int msg_ctx = 0, new_status, status; - int req_flags = 0, ret_flags, lifetime_rec, major_status; - gss_buffer_desc output_token, input_token, input_name_buffer; - gss_buffer_desc output_name_buffer, status_string; - gss_name_t desired_targname; - gss_channel_bindings input_chan_bindings; - char targ_printable[GSS_C_MAX_PRINTABLE_NAME]; - int from_addr=0, to_addr=0, myhostlen, j; - int deleg_flag=1, mutual_flag=0, replay_flag=0, seq_flag=0; - char *address; - - printf("[ Trying SPX ... ]\r\n"); - snprintf (targ_printable, sizeof(targ_printable), - "SERVICE:rcmd@%s", RemoteHostName); - - input_name_buffer.length = strlen(targ_printable); - input_name_buffer.value = targ_printable; - - if (!UserNameRequested) { - return(0); - } - - major_status = gss_import_name(&status, - &input_name_buffer, - GSS_C_NULL_OID, - &desired_targname); - - - major_status = gss_display_name(&status, - desired_targname, - &output_name_buffer, - &output_name_type); - - printf("target is '%s'\n", output_name_buffer.value); fflush(stdout); - - major_status = gss_release_buffer(&status, &output_name_buffer); - - input_chan_bindings = (gss_channel_bindings) - malloc(sizeof(gss_channel_bindings_desc)); - - input_chan_bindings->initiator_addrtype = GSS_C_AF_INET; - input_chan_bindings->initiator_address.length = 4; - address = (char *) malloc(4); - input_chan_bindings->initiator_address.value = (char *) address; - address[0] = ((from_addr & 0xff000000) >> 24); - address[1] = ((from_addr & 0xff0000) >> 16); - address[2] = ((from_addr & 0xff00) >> 8); - address[3] = (from_addr & 0xff); - input_chan_bindings->acceptor_addrtype = GSS_C_AF_INET; - input_chan_bindings->acceptor_address.length = 4; - address = (char *) malloc(4); - input_chan_bindings->acceptor_address.value = (char *) address; - address[0] = ((to_addr & 0xff000000) >> 24); - address[1] = ((to_addr & 0xff0000) >> 16); - address[2] = ((to_addr & 0xff00) >> 8); - address[3] = (to_addr & 0xff); - input_chan_bindings->application_data.length = 0; - - req_flags = 0; - if (deleg_flag) req_flags = req_flags | 1; - if (mutual_flag) req_flags = req_flags | 2; - if (replay_flag) req_flags = req_flags | 4; - if (seq_flag) req_flags = req_flags | 8; - - major_status = gss_init_sec_context(&status, /* minor status */ - GSS_C_NO_CREDENTIAL, /* cred handle */ - &actual_ctxhandle, /* ctx handle */ - desired_targname, /* target name */ - GSS_C_NULL_OID, /* mech type */ - req_flags, /* req flags */ - 0, /* time req */ - input_chan_bindings, /* chan binding */ - GSS_C_NO_BUFFER, /* input token */ - &actual_mech_type, /* actual mech */ - &output_token, /* output token */ - &ret_flags, /* ret flags */ - &lifetime_rec); /* time rec */ - - if ((major_status != GSS_S_COMPLETE) && - (major_status != GSS_S_CONTINUE_NEEDED)) { - gss_display_status(&new_status, - status, - GSS_C_MECH_CODE, - GSS_C_NULL_OID, - &msg_ctx, - &status_string); - printf("%s\n", status_string.value); - return(0); - } - - if (!auth_sendname(UserNameRequested, strlen(UserNameRequested))) { - return(0); - } - - if (!Data(ap, SPX_AUTH, output_token.value, output_token.length)) { - return(0); - } - - return(1); -} - - void -spx_is(ap, data, cnt) - Authenticator *ap; - unsigned char *data; - int cnt; -{ - Session_Key skey; - des_cblock datablock; - int r; - - if (cnt-- < 1) - return; - switch (*data++) { - case SPX_AUTH: - input_token.length = cnt; - input_token.value = (char *) data; - - gethostname(lhostname, sizeof(lhostname)); - - snprintf(targ_printable, sizeof(targ_printable), - "SERVICE:rcmd@%s", lhostname); - - input_name_buffer.length = strlen(targ_printable); - input_name_buffer.value = targ_printable; - - major_status = gss_import_name(&status, - &input_name_buffer, - GSS_C_NULL_OID, - &desired_targname); - - major_status = gss_acquire_cred(&status, - desired_targname, - 0, - GSS_C_NULL_OID_SET, - GSS_C_ACCEPT, - &gss_cred_handle, - &actual_mechs, - &lifetime_rec); - - major_status = gss_release_name(&status, desired_targname); - - input_chan_bindings = (gss_channel_bindings) - malloc(sizeof(gss_channel_bindings_desc)); - - input_chan_bindings->initiator_addrtype = GSS_C_AF_INET; - input_chan_bindings->initiator_address.length = 4; - address = (char *) malloc(4); - input_chan_bindings->initiator_address.value = (char *) address; - address[0] = ((from_addr & 0xff000000) >> 24); - address[1] = ((from_addr & 0xff0000) >> 16); - address[2] = ((from_addr & 0xff00) >> 8); - address[3] = (from_addr & 0xff); - input_chan_bindings->acceptor_addrtype = GSS_C_AF_INET; - input_chan_bindings->acceptor_address.length = 4; - address = (char *) malloc(4); - input_chan_bindings->acceptor_address.value = (char *) address; - address[0] = ((to_addr & 0xff000000) >> 24); - address[1] = ((to_addr & 0xff0000) >> 16); - address[2] = ((to_addr & 0xff00) >> 8); - address[3] = (to_addr & 0xff); - input_chan_bindings->application_data.length = 0; - - major_status = gss_accept_sec_context(&status, - &context_handle, - gss_cred_handle, - &input_token, - input_chan_bindings, - &src_name, - &actual_mech_type, - &output_token, - &ret_flags, - &lifetime_rec, - &gss_delegated_cred_handle); - - - if (major_status != GSS_S_COMPLETE) { - - major_status = gss_display_name(&status, - src_name, - &fullname_buffer, - &fullname_type); - Data(ap, SPX_REJECT, "auth failed", -1); - auth_finished(ap, AUTH_REJECT); - return; - } - - major_status = gss_display_name(&status, - src_name, - &fullname_buffer, - &fullname_type); - - - Data(ap, SPX_ACCEPT, output_token.value, output_token.length); - auth_finished(ap, AUTH_USER); - break; - - default: - Data(ap, SPX_REJECT, 0, 0); - break; - } -} - - - void -spx_reply(ap, data, cnt) - Authenticator *ap; - unsigned char *data; - int cnt; -{ - Session_Key skey; - - if (cnt-- < 1) - return; - switch (*data++) { - case SPX_REJECT: - if (cnt > 0) { - printf("[ SPX refuses authentication because %.*s ]\r\n", - cnt, data); - } else - printf("[ SPX refuses authentication ]\r\n"); - auth_send_retry(); - return; - case SPX_ACCEPT: - printf("[ SPX accepts you ]\r\n"); - if ((ap->way & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) { - /* - * Send over the encrypted challenge. - */ - input_token.value = (char *) data; - input_token.length = cnt; - - major_status = gss_init_sec_context(&status, /* minor stat */ - GSS_C_NO_CREDENTIAL, /* cred handle */ - &actual_ctxhandle, /* ctx handle */ - desired_targname, /* target name */ - GSS_C_NULL_OID, /* mech type */ - req_flags, /* req flags */ - 0, /* time req */ - input_chan_bindings, /* chan binding */ - &input_token, /* input token */ - &actual_mech_type, /* actual mech */ - &output_token, /* output token */ - &ret_flags, /* ret flags */ - &lifetime_rec); /* time rec */ - - if (major_status != GSS_S_COMPLETE) { - gss_display_status(&new_status, - status, - GSS_C_MECH_CODE, - GSS_C_NULL_OID, - &msg_ctx, - &status_string); - printf("[ SPX mutual response fails ... '%s' ]\r\n", - status_string.value); - auth_send_retry(); - return; - } - } - auth_finished(ap, AUTH_USER); - return; - - default: - return; - } -} - - int -spx_status(ap, name, name_sz, level) - Authenticator *ap; - char *name; - size_t name_sz; - int level; -{ - - gss_buffer_desc fullname_buffer, acl_file_buffer; - gss_OID fullname_type; - char acl_file[160], fullname[160]; - int major_status, status = 0; - struct passwd *pwd; - - /* - * hard code fullname to - * "SPX:/C=US/O=Digital/OU=LKG/OU=Sphinx/OU=Users/CN=Kannan Alagappan" - * and acl_file to "~kannan/.sphinx" - */ - - pwd = k_getpwnam(UserNameRequested); - if (pwd == NULL) { - return(AUTH_USER); /* not authenticated */ - } - - snprintf (acl_file, sizeof(acl_file), - "%s/.sphinx", pwd->pw_dir); - - acl_file_buffer.value = acl_file; - acl_file_buffer.length = strlen(acl_file); - - major_status = gss_display_name(&status, - src_name, - &fullname_buffer, - &fullname_type); - - if (level < AUTH_USER) - return(level); - - major_status = gss__check_acl(&status, &fullname_buffer, - &acl_file_buffer); - - if (major_status == GSS_S_COMPLETE) { - strlcpy(name, UserNameRequested, name_sz); - return(AUTH_VALID); - } else { - return(AUTH_USER); - } - -} - -#define BUMP(buf, len) while (*(buf)) {++(buf), --(len);} -#define ADDC(buf, len, c) if ((len) > 0) {*(buf)++ = (c); --(len);} - - void -spx_printsub(data, cnt, buf, buflen) - unsigned char *data, *buf; - int cnt, buflen; -{ - int i; - - buf[buflen-1] = '\0'; /* make sure its NULL terminated */ - buflen -= 1; - - switch(data[3]) { - case SPX_REJECT: /* Rejected (reason might follow) */ - strlcpy((char *)buf, " REJECT ", buflen); - goto common; - - case SPX_ACCEPT: /* Accepted (name might follow) */ - strlcpy((char *)buf, " ACCEPT ", buflen); - common: - BUMP(buf, buflen); - if (cnt <= 4) - break; - ADDC(buf, buflen, '"'); - for (i = 4; i < cnt; i++) - ADDC(buf, buflen, data[i]); - ADDC(buf, buflen, '"'); - ADDC(buf, buflen, '\0'); - break; - - case SPX_AUTH: /* Authentication data follows */ - strlcpy((char *)buf, " AUTH", buflen); - goto common2; - - default: - snprintf(buf, buflen, " %d (unknown)", data[3]); - common2: - BUMP(buf, buflen); - for (i = 4; i < cnt; i++) { - snprintf(buf, buflen, " %d", data[i]); - BUMP(buf, buflen); - } - break; - } -} - -#endif - -#ifdef notdef - -prkey(msg, key) - char *msg; - unsigned char *key; -{ - int i; - printf("%s:", msg); - for (i = 0; i < 8; i++) - printf(" %3d", key[i]); - printf("\r\n"); -} -#endif |
