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
38krb5_context kcc_context;
39static int version_flag;
40static int help_flag;
41
42static struct getargs args[] = {
43    { "version", 	0,   arg_flag, &version_flag, NULL, NULL },
44    { "help",		0,   arg_flag, &help_flag, NULL, NULL }
45};
46
47static void
48usage(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
59int
60help(void *opt, int argc, char **argv)
61{
62    sl_slc_help(commands, argc, argv);
63    return 0;
64}
65
66int
67kgetcred(struct kgetcred_options *opt, int argc, char **argv)
68{
69    if(opt->version_flag) {
70	print_version(NULL);
71	exit(0);
72    }
73    return 0;
74}
75
76/*
77 * Wrapper for command line compatiblity
78 */
79
80int
81kvno(struct kvno_options *opt, int argc, char **argv)
82{
83    struct kgetcred_options k;
84    memset(&k, 0, sizeof(k));
85
86    if(opt->version_flag) {
87	print_version(NULL);
88	exit(0);
89    }
90
91    k.cache_string = opt->cache_string;
92    k.enctype_string = opt->enctype_string;
93
94    return kgetcred(&k, argc, argv);
95}
96
97static int
98command_alias(const char *name)
99{
100    const char *aliases[] = {
101	"kinit", "klist", "kswitch", "kgetcred", "kvno", "kdeltkt",
102	"kdestroy", "kcpytkt", NULL
103    }, **p = aliases;
104
105    while (*p && strcmp(name, *p) != 0)
106	p++;
107    return *p != NULL;
108}
109
110
111int
112main(int argc, char **argv)
113{
114    krb5_error_code ret;
115    int optidx = 0;
116    int exit_status = 0;
117
118    setprogname (argv[0]);
119
120    setlocale (LC_ALL, "");
121    bindtextdomain ("heimdal_kuser", HEIMDAL_LOCALEDIR);
122    textdomain("heimdal_kuser");
123
124    ret = krb5_init_context(&kcc_context);
125    if (ret == KRB5_CONFIG_BADFORMAT)
126	errx (1, "krb5_init_context failed to parse configuration file");
127    else if (ret)
128	errx(1, "krb5_init_context failed: %d", ret);
129
130    /*
131     * Support linking of kcc to commands
132     */
133
134    if (!command_alias(getprogname())) {
135
136	if (argc == 1) {
137	    sl_slc_help(commands, 0, NULL);
138	    return 1;
139	}
140
141	if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
142	    usage(1);
143
144	if (help_flag)
145	    usage (0);
146
147	if(version_flag) {
148	    print_version(NULL);
149	    exit(0);
150	}
151
152    } else {
153	argv[0] = rk_UNCONST(getprogname());
154    }
155
156    argc -= optidx;
157    argv += optidx;
158
159    if (argc != 0) {
160	ret = sl_command(commands, argc, argv);
161	if(ret == -1)
162	    krb5_warnx(kcc_context, "unrecognized command: %s", argv[0]);
163	else if (ret == -2)
164	    ret = 0;
165	if(ret != 0)
166	    exit_status = 1;
167    } else {
168	sl_slc_help(commands, argc, argv);
169	exit_status = 1;
170    }
171
172    krb5_free_context(kcc_context);
173    return exit_status;
174}
175