1 /*
2 * Copyright (c) 2010 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
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.
16 *
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.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #include "kuser_locl.h"
35 #include <sl.h>
36 #include "kcc-commands.h"
37
38 krb5_context kcc_context;
39 static int version_flag;
40 static int help_flag;
41
42 static struct getargs args[] = {
43 { "version", 0, arg_flag, &version_flag, NULL, NULL },
44 { "help", 0, arg_flag, &help_flag, NULL, NULL }
45 };
46
47 static void
usage(int ret)48 usage(int ret)
49 {
50 arg_printusage_i18n(args,
51 sizeof(args)/sizeof(*args),
52 N_("Usage: ", ""),
53 NULL,
54 "command ..",
55 getarg_i18n);
56 exit (ret);
57 }
58
59 int
help(void * opt,int argc,char ** argv)60 help(void *opt, int argc, char **argv)
61 {
62 sl_slc_help(commands, argc, argv);
63 return 0;
64 }
65
66 int
kgetcred(struct kgetcred_options * opt,int argc,char ** argv)67 kgetcred(struct kgetcred_options *opt, int argc, char **argv)
68 {
69 return 0;
70 }
71
72 /*
73 * Wrapper for command line compatiblity
74 */
75
76 int
kvno(struct kvno_options * opt,int argc,char ** argv)77 kvno(struct kvno_options *opt, int argc, char **argv)
78 {
79 struct kgetcred_options k;
80 memset(&k, 0, sizeof(k));
81
82 k.cache_string = opt->cache_string;
83 k.enctype_string = opt->enctype_string;
84
85 return kgetcred(&k, argc, argv);
86 }
87
88 static int
command_alias(const char * name)89 command_alias(const char *name)
90 {
91 const char *aliases[] = {
92 "kinit", "klist", "kswitch", "kgetcred", "kvno", "kdeltkt",
93 "kdestroy", "kcpytkt", NULL
94 }, **p = aliases;
95
96 while (*p && strcmp(name, *p) != 0)
97 p++;
98 return *p != NULL;
99 }
100
101
102 int
main(int argc,char ** argv)103 main(int argc, char **argv)
104 {
105 krb5_error_code ret;
106 int optidx = 0;
107 int exit_status = 0;
108
109 setprogname (argv[0]);
110
111 setlocale (LC_ALL, "");
112 bindtextdomain ("heimdal_kuser", HEIMDAL_LOCALEDIR);
113 textdomain("heimdal_kuser");
114
115 ret = krb5_init_context(&kcc_context);
116 if (ret == KRB5_CONFIG_BADFORMAT)
117 errx (1, "krb5_init_context failed to parse configuration file");
118 else if (ret)
119 errx(1, "krb5_init_context failed: %d", ret);
120
121 /*
122 * Support linking of kcc to commands
123 */
124
125 if (!command_alias(getprogname())) {
126
127 if (argc == 1) {
128 sl_slc_help(commands, 0, NULL);
129 return 1;
130 }
131
132 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
133 usage(1);
134
135 if (help_flag)
136 usage (0);
137
138 if(version_flag) {
139 print_version(NULL);
140 exit(0);
141 }
142
143 } else {
144 argv[0] = rk_UNCONST(getprogname());
145 }
146
147 argc -= optidx;
148 argv += optidx;
149
150 if (argc != 0) {
151 ret = sl_command(commands, argc, argv);
152 if(ret == -1)
153 krb5_warnx(kcc_context, "unrecognized command: %s", argv[0]);
154 else if (ret == -2)
155 ret = 0;
156 if(ret != 0)
157 exit_status = 1;
158 } else {
159 sl_slc_help(commands, argc, argv);
160 exit_status = 1;
161 }
162
163 krb5_free_context(kcc_context);
164 return exit_status;
165 }
166