crypto/external/bsd/heimdal/dist/kuser/kcc.c

   1 /*      $NetBSD: kcc.c,v 1.1.1.2 2014/04/24 12:45:28 pettai Exp $       */
   2
   3 /*
   4  * Copyright (c) 2010 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "kuser_locl.h"
  37 #include <krb5/sl.h>
  38 #include "kcc-commands.h"
  39
  40 krb5_context kcc_context;
  41 static int version_flag;
  42 static int help_flag;
  43
  44 static struct getargs args[] = {
  45     { "version",        0,   arg_flag, &version_flag, NULL, NULL },
  46     { "help",           0,   arg_flag, &help_flag, NULL, NULL }
  47 };
  48
  49 static void
  50 usage(int ret)
  51 {
  52     arg_printusage_i18n(args,
  53                         sizeof(args)/sizeof(*args),
  54                         N_("Usage: ", ""),
  55                         NULL,
  56                         "command ..",
  57                         getarg_i18n);
  58     exit (ret);
  59 }
  60
  61 int
  62 help(void *opt, int argc, char **argv)
  63 {
  64     sl_slc_help(commands, argc, argv);
  65     return 0;
  66 }
  67
  68 int
  69 kgetcred(struct kgetcred_options *opt, int argc, char **argv)
  70 {
  71     return 0;
  72 }
  73
  74 /*
  75  * Wrapper for command line compatiblity
  76  */
  77
  78 int
  79 kvno(struct kvno_options *opt, int argc, char **argv)
  80 {
  81     struct kgetcred_options k;
  82     memset(&k, 0, sizeof(k));
  83
  84     k.cache_string = opt->cache_string;
  85     k.enctype_string = opt->enctype_string;
  86
  87     return kgetcred(&k, argc, argv);
  88 }
  89
  90 static int
  91 command_alias(const char *name)
  92 {
  93     const char *aliases[] = {
  94         "kinit", "klist", "kswitch", "kgetcred", "kvno", "kdeltkt",
  95         "kdestroy", "kcpytkt", NULL
  96     }, **p = aliases;
  97
  98     while (*p && strcmp(name, *p) != 0)
  99         p++;
 100     return *p != NULL;
 101 }
 102
 103
 104 int
 105 main(int argc, char **argv)
 106 {
 107     krb5_error_code ret;
 108     int optidx = 0;
 109     int exit_status = 0;
 110
 111     setprogname (argv[0]);
 112
 113     setlocale (LC_ALL, "");
 114     bindtextdomain ("heimdal_kuser", HEIMDAL_LOCALEDIR);
 115     textdomain("heimdal_kuser");
 116
 117     ret = krb5_init_context(&kcc_context);
 118     if (ret == KRB5_CONFIG_BADFORMAT)
 119         errx (1, "krb5_init_context failed to parse configuration file");
 120     else if (ret)
 121         errx(1, "krb5_init_context failed: %d", ret);
 122
 123     /*
 124      * Support linking of kcc to commands
 125      */
 126
 127     if (!command_alias(getprogname())) {
 128
 129         if (argc == 1) {
 130             sl_slc_help(commands, 0, NULL);
 131             return 1;
 132         }
 133
 134         if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 135             usage(1);
 136
 137         if (help_flag)
 138             usage (0);
 139
 140         if(version_flag) {
 141             print_version(NULL);
 142             exit(0);
 143         }
 144
 145     } else {
 146         argv[0] = rk_UNCONST(getprogname());
 147     }
 148
 149     argc -= optidx;
 150     argv += optidx;
 151
 152     if (argc != 0) {
 153         ret = sl_command(commands, argc, argv);
 154         if(ret == -1)
 155             krb5_warnx(kcc_context, "unrecognized command: %s", argv[0]);
 156         else if (ret == -2)
 157             ret = 0;
 158         if(ret != 0)
 159             exit_status = 1;
 160     } else {
 161         sl_slc_help(commands, argc, argv);
 162         exit_status = 1;
 163     }
 164
 165     krb5_free_context(kcc_context);
 166     return exit_status;
 167 }