summaryrefslogtreecommitdiffstats
path: root/crypto/kerberosIV/appl/bsd/klogin.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/kerberosIV/appl/bsd/klogin.c')
-rw-r--r--crypto/kerberosIV/appl/bsd/klogin.c229
1 files changed, 0 insertions, 229 deletions
diff --git a/crypto/kerberosIV/appl/bsd/klogin.c b/crypto/kerberosIV/appl/bsd/klogin.c
deleted file mode 100644
index df21dbf..0000000
--- a/crypto/kerberosIV/appl/bsd/klogin.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*-
- * Copyright (c) 1990, 1993, 1994
- * 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 "bsd_locl.h"
-
-RCSID("$Id: klogin.c,v 1.27 1999/10/04 16:11:48 bg Exp $");
-
-#ifdef KERBEROS
-
-#define VERIFY_SERVICE "rcmd"
-
-extern int notickets;
-extern char *krbtkfile_env;
-
-static char tkt_location[MaxPathLen];
-
-static int
-multiple_get_tkt(char *name,
- char *instance,
- char *realm,
- char *service,
- char *sinstance,
- int life,
- char *password)
-{
- int ret;
- int n;
- char rlm[256];
-
- /* First try to verify against the supplied realm. */
- ret = krb_get_pw_in_tkt(name, instance, realm, service, realm, life,
- password);
- if(ret == KSUCCESS)
- return KSUCCESS;
-
- /* Verify all local realms, except the supplied realm. */
- for (n = 1; krb_get_lrealm(rlm, n) == KSUCCESS; n++)
- if (strcmp(rlm, realm) != 0) {
- ret = krb_get_pw_in_tkt(name, instance, rlm,service, rlm,life, password);
- if (ret == KSUCCESS)
- return KSUCCESS;
- }
-
- return ret;
-}
-
-/*
- * Attempt to log the user in using Kerberos authentication
- *
- * return 0 on success (will be logged in)
- * 1 if Kerberos failed (try local password in login)
- */
-int
-klogin(struct passwd *pw, char *instance, char *localhost, char *password)
-{
- int kerror;
- AUTH_DAT authdata;
- KTEXT_ST ticket;
- struct hostent *hp;
- u_int32_t faddr;
- char realm[REALM_SZ], savehost[MaxHostNameLen];
- extern int noticketsdontcomplain;
-
-#ifdef KLOGIN_PARANOID
- noticketsdontcomplain = 0; /* enable warning message */
-#endif
- /*
- * Root logins don't use Kerberos.
- * If we have a realm, try getting a ticket-granting ticket
- * and using it to authenticate. Otherwise, return
- * failure so that we can try the normal passwd file
- * for a password. If that's ok, log the user in
- * without issuing any tickets.
- */
- if (strcmp(pw->pw_name, "root") == 0 ||
- krb_get_lrealm(realm, 1) != KSUCCESS)
- return (1);
-
- noticketsdontcomplain = 0; /* enable warning message */
-
- /*
- * get TGT for local realm
- * tickets are stored in a file named TKT_ROOT plus uid
- * except for user.root tickets.
- */
-
- if (strcmp(instance, "root") != 0)
- snprintf(tkt_location, sizeof(tkt_location),
- "%s%u_%u",
- TKT_ROOT, (unsigned)pw->pw_uid, (unsigned)getpid());
- else {
- snprintf(tkt_location, sizeof(tkt_location),
- "%s_root_%d", TKT_ROOT,
- (unsigned)pw->pw_uid);
- }
- krbtkfile_env = tkt_location;
- krb_set_tkt_string(tkt_location);
-
- /*
- * Set real as well as effective ID to 0 for the moment,
- * to make the kerberos library do the right thing.
- */
- if (setuid(0) < 0) {
- warnx("setuid");
- return (1);
- }
-
- /*
- * Get ticket
- */
- kerror = multiple_get_tkt(pw->pw_name,
- instance,
- realm,
- KRB_TICKET_GRANTING_TICKET,
- realm,
- DEFAULT_TKT_LIFE,
- password);
-
- /*
- * If we got a TGT, get a local "rcmd" ticket and check it so as to
- * ensure that we are not talking to a bogus Kerberos server.
- *
- * There are 2 cases where we still allow a login:
- * 1: the VERIFY_SERVICE doesn't exist in the KDC
- * 2: local host has no srvtab, as (hopefully) indicated by a
- * return value of RD_AP_UNDEC from krb_rd_req().
- */
- if (kerror != INTK_OK) {
- if (kerror != INTK_BADPW && kerror != KDC_PR_UNKNOWN) {
- syslog(LOG_ERR, "Kerberos intkt error: %s",
- krb_get_err_text(kerror));
- dest_tkt();
- }
- return (1);
- }
-
- if (chown(TKT_FILE, pw->pw_uid, pw->pw_gid) < 0)
- syslog(LOG_ERR, "chown tkfile (%s): %m", TKT_FILE);
-
- strlcpy(savehost, krb_get_phost(localhost), sizeof(savehost));
-
-#ifdef KLOGIN_PARANOID
- /*
- * if the "VERIFY_SERVICE" doesn't exist in the KDC for this host,
- * don't allow kerberos login, also log the error condition.
- */
-
- kerror = krb_mk_req(&ticket, VERIFY_SERVICE, savehost, realm, 33);
- if (kerror == KDC_PR_UNKNOWN) {
- syslog(LOG_NOTICE,
- "warning: TGT not verified (%s); %s.%s not registered, or srvtab is wrong?",
- krb_get_err_text(kerror), VERIFY_SERVICE, savehost);
- notickets = 0;
- return (1);
- }
-
- if (kerror != KSUCCESS) {
- warnx("unable to use TGT: (%s)", krb_get_err_text(kerror));
- syslog(LOG_NOTICE, "unable to use TGT: (%s)",
- krb_get_err_text(kerror));
- dest_tkt();
- return (1);
- }
-
- if (!(hp = gethostbyname(localhost))) {
- syslog(LOG_ERR, "couldn't get local host address");
- dest_tkt();
- return (1);
- }
-
- memcpy(&faddr, hp->h_addr, sizeof(faddr));
-
- kerror = krb_rd_req(&ticket, VERIFY_SERVICE, savehost, faddr,
- &authdata, "");
-
- if (kerror == KSUCCESS) {
- notickets = 0;
- return (0);
- }
-
- /* undecipherable: probably didn't have a srvtab on the local host */
- if (kerror == RD_AP_UNDEC) {
- syslog(LOG_NOTICE, "krb_rd_req: (%s)\n", krb_get_err_text(kerror));
- dest_tkt();
- return (1);
- }
- /* failed for some other reason */
- warnx("unable to verify %s ticket: (%s)", VERIFY_SERVICE,
- krb_get_err_text(kerror));
- syslog(LOG_NOTICE, "couldn't verify %s ticket: %s", VERIFY_SERVICE,
- krb_get_err_text(kerror));
- dest_tkt();
- return (1);
-#else
- notickets = 0;
- return (0);
-#endif
-}
-#endif
OpenPOWER on IntegriCloud