2 * Copyright (c) 1995 - 2005 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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38 RCSID("$Id: pagsh.c 14574 2005-02-12 14:23:28Z lha $");
44 #ifdef HAVE_SYS_TYPES_H
45 #include <sys/types.h>
68 #define TKT_ROOT "/tmp/tkt"
72 static int version_flag;
75 static char *typename_arg;
78 struct getargs getargs[] = {
79 { NULL, 'c', arg_flag, &c_flag },
81 { "cache-type", 0, arg_string, &typename_arg },
83 { "version", 0, arg_flag, &version_flag },
84 { "help", 'h', arg_flag, &help_flag },
87 static int num_args = sizeof(getargs) / sizeof(getargs[0]);
92 arg_printusage(getargs, num_args, NULL, "command [args...]");
97 * Run command with a new ticket file / credentials cache / token
101 main(int argc, char **argv)
112 setprogname(argv[0]);
113 if(getarg(getargs, num_args, argc, argv, &optind))
127 const krb5_cc_ops *type;
129 krb5_context context;
133 ret = krb5_init_context(&context);
134 if (ret) /* XXX should this really call exit ? */
135 errx(1, "no kerberos 5 support");
137 if (typename_arg == NULL) {
140 name = krb5_cc_default_name(context);
142 krb5_errx(context, 1, "Failed getting default "
143 "credential cache type");
145 typename_arg = strdup(name);
146 if (typename_arg == NULL)
149 s = strchr(typename_arg, ':');
154 type = krb5_cc_get_prefix_ops(context, typename_arg);
156 krb5_err(context, 1, ret, "Failed getting ops for %s "
157 "credential cache", typename_arg);
159 ret = krb5_cc_gen_new(context, type, &id);
161 krb5_err(context, 1, ret, "Failed generating credential cache");
163 name = krb5_cc_get_name(context, id);
165 krb5_errx(context, 1, "Generated credential cache have no name");
167 snprintf(tf, sizeof(tf), "%s:%s", typename_arg, name);
169 ret = krb5_cc_close(context, id);
171 krb5_err(context, 1, ret, "Failed closing credential cache");
173 krb5_free_context(context);
175 esetenv("KRB5CCNAME", tf, 1);
179 snprintf (tf, sizeof(tf), "%s_XXXXXX", TKT_ROOT);
182 err(1, "mkstemp failed");
185 esetenv("KRBTKFILE", tf, 1);
189 args = (char **) malloc((argc + 10)*sizeof(char *));
191 errx (1, "Out of memory allocating %lu bytes",
192 (unsigned long)((argc + 10)*sizeof(char *)));
195 path = getenv("SHELL");
197 struct passwd *pw = k_getpwuid(geteuid());
198 path = strdup(pw->pw_shell);
201 path = strdup(*argv++);
204 errx (1, "Out of memory copying path");
206 p=strrchr(path, '/');
208 args[i] = strdup(p+1);
210 args[i] = strdup(path);
212 if (args[i++] == NULL)
213 errx (1, "Out of memory copying arguments");
225 if (errno == ENOENT || c_flag) {
226 char **sh_args = malloc ((i + 2) * sizeof(char *));
230 errx (1, "Out of memory copying sh arguments");
231 for (j = 1; j < i; ++j)
232 sh_args[j + 2] = args[j];
236 execv ("/bin/sh", sh_args);