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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44 #ifdef HAVE_SYS_TYPES_H
45 #include <sys/types.h>
65 #define TKT_ROOT "/tmp/tkt"
69 static int version_flag;
72 static char *typename_arg;
75 struct getargs getargs[] = {
76 { NULL, 'c', arg_flag, &c_flag },
78 { "cache-type", 0, arg_string, &typename_arg },
80 { "version", 0, arg_flag, &version_flag },
81 { "help", 'h', arg_flag, &help_flag },
84 static int num_args = sizeof(getargs) / sizeof(getargs[0]);
89 arg_printusage(getargs, num_args, NULL, "command [args...]");
94 * Run command with a new ticket file / credentials cache / token
98 main(int argc, char **argv)
109 setprogname(argv[0]);
110 if(getarg(getargs, num_args, argc, argv, &optind))
125 krb5_context context;
129 ret = krb5_init_context(&context);
130 if (ret) /* XXX should this really call exit ? */
131 errx(1, "no kerberos 5 support");
133 ret = krb5_cc_new_unique(context, typename_arg, NULL, &id);
135 krb5_err(context, 1, ret, "Failed generating credential cache");
137 name = krb5_cc_get_name(context, id);
139 krb5_errx(context, 1, "Generated credential cache have no name");
141 snprintf(tf, sizeof(tf), "%s:%s", krb5_cc_get_type(context, id), name);
143 ret = krb5_cc_close(context, id);
145 krb5_err(context, 1, ret, "Failed closing credential cache");
147 krb5_free_context(context);
149 esetenv("KRB5CCNAME", tf, 1);
153 snprintf (tf, sizeof(tf), "%s_XXXXXX", TKT_ROOT);
156 err(1, "mkstemp failed");
159 esetenv("KRBTKFILE", tf, 1);
163 args = (char **) malloc((argc + 10)*sizeof(char *));
165 errx (1, "Out of memory allocating %lu bytes",
166 (unsigned long)((argc + 10)*sizeof(char *)));
169 path = getenv("SHELL");
171 struct passwd *pw = k_getpwuid(geteuid());
173 errx(1, "no such user: %d", (int)geteuid());
174 path = strdup(pw->pw_shell);
177 path = strdup(*argv++);
180 errx (1, "Out of memory copying path");
182 p=strrchr(path, '/');
184 args[i] = strdup(p+1);
186 args[i] = strdup(path);
188 if (args[i++] == NULL)
189 errx (1, "Out of memory copying arguments");
201 if (errno == ENOENT || c_flag) {
202 char **sh_args = malloc ((i + 2) * sizeof(char *));
206 errx (1, "Out of memory copying sh arguments");
207 for (j = 1; j < i; ++j)
208 sh_args[j + 2] = args[j];
212 execv ("/bin/sh", sh_args);