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-rw-r--r--crypto/heimdal/appl/kf/kfd.c308
1 files changed, 0 insertions, 308 deletions
diff --git a/crypto/heimdal/appl/kf/kfd.c b/crypto/heimdal/appl/kf/kfd.c
deleted file mode 100644
index 9d8c84c..0000000
--- a/crypto/heimdal/appl/kf/kfd.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
- * Copyright (c) 1997 - 2002 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 "kf_locl.h"
-RCSID("$Id: kfd.c 15246 2005-05-27 13:47:20Z lha $");
-
-krb5_context context;
-char krb5_tkfile[MAXPATHLEN];
-
-static int help_flag;
-static int version_flag;
-static char *port_str;
-char *service = KF_SERVICE;
-int do_inetd = 0;
-static char *regpag_str=NULL;
-
-static struct getargs args[] = {
- { "port", 'p', arg_string, &port_str, "port to listen to", "port" },
- { "inetd",'i',arg_flag, &do_inetd,
- "Not started from inetd", NULL },
- { "regpag",'R',arg_string,&regpag_str,"path to regpag binary","regpag"},
- { "help", 'h', arg_flag, &help_flag },
- { "version", 0, arg_flag, &version_flag }
-};
-
-static int num_args = sizeof(args) / sizeof(args[0]);
-
-static void
-usage(int code, struct getargs *args, int num_args)
-{
- arg_printusage(args, num_args, NULL, "");
- exit(code);
-}
-
-static int
-server_setup(krb5_context *context, int argc, char **argv)
-{
- int port = 0;
- int local_argc;
-
- local_argc = krb5_program_setup(context, argc, argv, args, num_args, usage);
-
- if(help_flag)
- (*usage)(0, args, num_args);
- if(version_flag) {
- print_version(NULL);
- exit(0);
- }
-
- if(port_str){
- struct servent *s = roken_getservbyname(port_str, "tcp");
- if(s)
- port = s->s_port;
- else {
- char *ptr;
-
- port = strtol (port_str, &ptr, 10);
- if (port == 0 && ptr == port_str)
- errx (1, "Bad port `%s'", port_str);
- port = htons(port);
- }
- }
-
- if (port == 0)
- port = krb5_getportbyname (*context, KF_PORT_NAME, "tcp", KF_PORT_NUM);
-
- if(argv[local_argc] != NULL)
- usage(1, args, num_args);
-
- return port;
-}
-
-static int protocol_version;
-
-static krb5_boolean
-kfd_match_version(const void *arg, const char *version)
-{
- if(strcmp(version, KF_VERSION_1) == 0) {
- protocol_version = 1;
- return TRUE;
- } else if (strlen(version) == 4 &&
- version[0] == '0' &&
- version[1] == '.' &&
- (version[2] == '4' || version[2] == '3') &&
- islower((unsigned char)version[3])) {
- protocol_version = 0;
- return TRUE;
- }
- return FALSE;
-}
-
-static int
-proto (int sock, const char *service)
-{
- krb5_auth_context auth_context;
- krb5_error_code status;
- krb5_principal server;
- krb5_ticket *ticket;
- char *name;
- char ret_string[10];
- char hostname[MAXHOSTNAMELEN];
- krb5_data data;
- krb5_data remotename;
- krb5_data tk_file;
- krb5_ccache ccache;
- char ccname[MAXPATHLEN];
- struct passwd *pwd;
-
- status = krb5_auth_con_init (context, &auth_context);
- if (status)
- krb5_err(context, 1, status, "krb5_auth_con_init");
-
- status = krb5_auth_con_setaddrs_from_fd (context,
- auth_context,
- &sock);
- if (status)
- krb5_err(context, 1, status, "krb5_auth_con_setaddr");
-
- if(gethostname (hostname, sizeof(hostname)) < 0)
- krb5_err(context, 1, errno, "gethostname");
-
- status = krb5_sname_to_principal (context,
- hostname,
- service,
- KRB5_NT_SRV_HST,
- &server);
- if (status)
- krb5_err(context, 1, status, "krb5_sname_to_principal");
-
- status = krb5_recvauth_match_version (context,
- &auth_context,
- &sock,
- kfd_match_version,
- NULL,
- server,
- 0,
- NULL,
- &ticket);
- if (status)
- krb5_err(context, 1, status, "krb5_recvauth");
-
- status = krb5_unparse_name (context,
- ticket->client,
- &name);
- if (status)
- krb5_err(context, 1, status, "krb5_unparse_name");
-
- if(protocol_version == 0) {
- data.data = "old clnt"; /* XXX old clients only had room for
- 10 bytes of message, and also
- didn't show it to the user */
- data.length = strlen(data.data) + 1;
- krb5_write_message(context, &sock, &data);
- sleep(2); /* XXX give client time to finish */
- krb5_errx(context, 1, "old client; exiting");
- }
-
- status=krb5_read_priv_message (context, auth_context,
- &sock, &remotename);
- if (status)
- krb5_err(context, 1, status, "krb5_read_message");
- status=krb5_read_priv_message (context, auth_context,
- &sock, &tk_file);
- if (status)
- krb5_err(context, 1, status, "krb5_read_message");
-
- krb5_data_zero (&data);
-
- if(((char*)remotename.data)[remotename.length-1] != '\0')
- krb5_errx(context, 1, "unterminated received");
- if(((char*)tk_file.data)[tk_file.length-1] != '\0')
- krb5_errx(context, 1, "unterminated received");
-
- status = krb5_read_priv_message(context, auth_context, &sock, &data);
-
- if (status) {
- krb5_err(context, 1, errno, "krb5_read_priv_message");
- goto out;
- }
-
- pwd = getpwnam ((char *)(remotename.data));
- if (pwd == NULL) {
- status=1;
- krb5_warnx(context, "getpwnam: %s failed",(char *)(remotename.data));
- goto out;
- }
-
- if(!krb5_kuserok (context,
- ticket->client,
- (char *)(remotename.data))) {
- status=1;
- krb5_warnx(context, "krb5_kuserok: permission denied");
- goto out;
- }
-
- if (setgid(pwd->pw_gid) < 0) {
- krb5_warn(context, errno, "setgid");
- goto out;
- }
- if (setuid(pwd->pw_uid) < 0) {
- krb5_warn(context, errno, "setuid");
- goto out;
- }
-
- if (tk_file.length != 1)
- snprintf (ccname, sizeof(ccname), "%s", (char *)(tk_file.data));
- else
- snprintf (ccname, sizeof(ccname), "FILE:/tmp/krb5cc_%lu",
- (unsigned long)pwd->pw_uid);
-
- status = krb5_cc_resolve (context, ccname, &ccache);
- if (status) {
- krb5_warn(context, status, "krb5_cc_resolve");
- goto out;
- }
- status = krb5_cc_initialize (context, ccache, ticket->client);
- if (status) {
- krb5_warn(context, status, "krb5_cc_initialize");
- goto out;
- }
- status = krb5_rd_cred2 (context, auth_context, ccache, &data);
- krb5_cc_close (context, ccache);
- if (status) {
- krb5_warn(context, status, "krb5_rd_cred");
- goto out;
-
- }
- strlcpy(krb5_tkfile,ccname,sizeof(krb5_tkfile));
- krb5_warnx(context, "%s forwarded ticket to %s,%s",
- name,
- (char *)(remotename.data),ccname);
- out:
- if (status) {
- strlcpy(ret_string, "no", sizeof(ret_string));
- krb5_warnx(context, "failed");
- } else {
- strlcpy(ret_string, "ok", sizeof(ret_string));
- }
-
- krb5_data_free (&tk_file);
- krb5_data_free (&remotename);
- krb5_data_free (&data);
- free(name);
-
- data.data = ret_string;
- data.length = strlen(ret_string) + 1;
- return krb5_write_priv_message(context, auth_context, &sock, &data);
-}
-
-static int
-doit (int port, const char *service)
-{
- if (do_inetd)
- mini_inetd(port);
- return proto (STDIN_FILENO, service);
-}
-
-int
-main(int argc, char **argv)
-{
- int port;
- int ret;
- krb5_log_facility *fac;
-
- setprogname (argv[0]);
- roken_openlog (argv[0], LOG_ODELAY | LOG_PID,LOG_AUTH);
- port = server_setup(&context, argc, argv);
- ret = krb5_openlog(context, "kfd", &fac);
- if(ret) krb5_err(context, 1, ret, "krb5_openlog");
- ret = krb5_set_warn_dest(context, fac);
- if(ret) krb5_err(context, 1, ret, "krb5_set_warn_dest");
-
- ret = doit (port, service);
- closelog();
- if (ret == 0 && regpag_str != NULL)
- ret = execl(regpag_str, "regpag", "-t", krb5_tkfile, "-r", NULL);
- return ret;
-}
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