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    return 0;
70}
71
72/*
73 * Wrapper for command line compatiblity
74 */
75
76int
77kvno(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
88static int
89command_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
102int
103main(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