151 lines
4.1 KiB
C
151 lines
4.1 KiB
C
/*
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* Copyright (c) 2008 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "kuser_locl.h"
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/*
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*
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*/
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static int version_flag = 0;
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static int help_flag = 0;
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static char *cache;
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static char *principal;
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static char *type;
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static struct getargs args[] = {
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{ "type", 't', arg_string, &type,
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NP_("type of credential cache", ""), "type" },
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{ "cache", 'c', arg_string, &cache,
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NP_("name of credential cache", ""), "cache" },
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{ "principal", 'p', arg_string, &principal,
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NP_("name of principal", ""), "principal" },
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{ "version", 0, arg_flag, &version_flag,
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NP_("print version", ""), NULL },
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{ "help", 0, arg_flag, &help_flag, NULL, NULL}
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};
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static void
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usage (int ret) __attribute__((noreturn));
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static void
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usage (int ret)
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{
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arg_printusage (args, sizeof(args)/sizeof(*args), NULL, "");
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exit (ret);
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}
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int
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main (int argc, char **argv)
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{
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krb5_context context;
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krb5_error_code ret;
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krb5_ccache id = NULL;
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int optidx = 0;
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setprogname (argv[0]);
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setlocale (LC_ALL, "");
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bindtextdomain ("heimdal_kuser", HEIMDAL_LOCALEDIR);
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textdomain("heimdal_kuser");
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ret = krb5_init_context (&context);
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if (ret == KRB5_CONFIG_BADFORMAT)
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errx (1, "krb5_init_context failed to parse configuration file");
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else if (ret)
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errx(1, "krb5_init_context failed: %d", ret);
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if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
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usage(1);
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if (help_flag)
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usage (0);
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if(version_flag){
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print_version(NULL);
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exit(0);
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}
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argc -= optidx;
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argv += optidx;
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if (argc != 0)
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usage (1);
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if (cache && principal)
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krb5_errx(context, 1,
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N_("Both --cache and --principal given, choose one", ""));
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if (principal) {
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krb5_principal p;
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ret = krb5_parse_name(context, principal, &p);
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if (ret)
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krb5_err (context, 1, ret, "krb5_parse_name: %s", principal);
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ret = krb5_cc_cache_match(context, p, &id);
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if (ret)
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krb5_err (context, 1, ret,
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N_("Did not find principal: %s", ""), principal);
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krb5_free_principal(context, p);
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} else if (cache) {
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const krb5_cc_ops *ops;
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char *str;
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ops = krb5_cc_get_prefix_ops(context, type);
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if (ops == NULL)
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krb5_err (context, 1, 0, "krb5_cc_get_prefix_ops");
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asprintf(&str, "%s:%s", ops->prefix, cache);
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if (str == NULL)
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krb5_errx(context, 1, N_("out of memory", ""));
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ret = krb5_cc_resolve(context, str, &id);
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if (ret)
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krb5_err (context, 1, ret, "krb5_cc_resolve: %s", str);
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free(str);
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} else
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usage(1);
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ret = krb5_cc_switch(context, id);
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if (ret)
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krb5_err (context, 1, ret, "krb5_cc_switch");
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krb5_cc_close(context, id);
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return 0;
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}
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