2 * Copyright (c) 1997 - 2007 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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7 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
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.
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.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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34 #include "kuser_locl.h"
36 RCSID("$Id: kgetcred.c 22276 2007-12-12 02:42:31Z lha $");
38 static char *cache_str;
39 static char *out_cache_str;
40 static char *delegation_cred_str;
41 static char *etype_str;
42 static int transit_flag = 1;
43 static int forwardable_flag;
44 static char *impersonate_str;
45 static char *nametype_str;
46 static int version_flag;
49 struct getargs args[] = {
50 { "cache", 'c', arg_string, &cache_str,
51 "credential cache to use", "cache"},
52 { "out-cache", 0, arg_string, &out_cache_str,
53 "credential cache to store credential in", "cache"},
54 { "delegation-credential-cache",0,arg_string, &delegation_cred_str,
55 "where to find the ticket use for delegation", "cache"},
56 { "forwardable", 0, arg_flag, &forwardable_flag,
57 "forwardable ticket requested"},
58 { "transit-check", 0, arg_negative_flag, &transit_flag },
59 { "enctype", 'e', arg_string, &etype_str,
60 "encryption type to use", "enctype"},
61 { "impersonate", 0, arg_string, &impersonate_str,
62 "client to impersonate", "principal"},
63 { "name-type", 0, arg_string, &nametype_str },
64 { "version", 0, arg_flag, &version_flag },
65 { "help", 0, arg_flag, &help_flag }
72 sizeof(args)/sizeof(*args),
79 main(int argc, char **argv)
86 krb5_get_creds_opt opt;
87 krb5_principal server;
88 krb5_principal impersonate = NULL;
90 setprogname (argv[0]);
92 ret = krb5_init_context (&context);
94 errx(1, "krb5_init_context failed: %d", ret);
96 if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
114 ret = krb5_cc_resolve(context, cache_str, &cache);
116 krb5_err (context, 1, ret, "%s", cache_str);
118 ret = krb5_cc_default (context, &cache);
120 krb5_err (context, 1, ret, "krb5_cc_resolve");
123 ret = krb5_get_creds_opt_alloc(context, &opt);
125 krb5_err (context, 1, ret, "krb5_get_creds_opt_alloc");
128 krb5_enctype enctype;
130 ret = krb5_string_to_enctype(context, etype_str, &enctype);
132 krb5_errx (context, 1, "unrecognized enctype: %s", etype_str);
133 krb5_get_creds_opt_set_enctype(context, opt, enctype);
136 if (impersonate_str) {
137 ret = krb5_parse_name(context, impersonate_str, &impersonate);
139 krb5_err (context, 1, ret, "krb5_parse_name %s", impersonate_str);
140 krb5_get_creds_opt_set_impersonate(context, opt, impersonate);
141 krb5_get_creds_opt_add_options(context, opt, KRB5_GC_NO_STORE);
145 krb5_get_creds_opt_add_options(context, opt, KRB5_GC_NO_STORE);
147 if (forwardable_flag)
148 krb5_get_creds_opt_add_options(context, opt, KRB5_GC_FORWARDABLE);
150 krb5_get_creds_opt_add_options(context, opt, KRB5_GC_NO_TRANSIT_CHECK);
152 if (delegation_cred_str) {
157 krb5_cc_clear_mcred(&mc);
158 ret = krb5_cc_get_principal(context, cache, &mc.server);
160 krb5_err (context, 1, ret, "krb5_cc_get_principal");
162 ret = krb5_cc_resolve(context, delegation_cred_str, &id);
164 krb5_err (context, 1, ret, "krb5_cc_resolve");
166 ret = krb5_cc_retrieve_cred(context, id, 0, &mc, &c);
168 krb5_err (context, 1, ret, "krb5_cc_retrieve_cred");
170 ret = decode_Ticket(c.ticket.data, c.ticket.length, &ticket, NULL);
172 krb5_clear_error_string(context);
173 krb5_err (context, 1, ret, "decode_Ticket");
175 krb5_free_cred_contents(context, &c);
177 ret = krb5_get_creds_opt_set_ticket(context, opt, &ticket);
179 krb5_err (context, 1, ret, "krb5_get_creds_opt_set_ticket");
180 free_Ticket(&ticket);
182 krb5_cc_close (context, id);
183 krb5_free_principal(context, mc.server);
185 krb5_get_creds_opt_add_options(context, opt,
186 KRB5_GC_CONSTRAINED_DELEGATION);
189 ret = krb5_parse_name(context, argv[0], &server);
191 krb5_err (context, 1, ret, "krb5_parse_name %s", argv[0]);
194 ret = krb5_parse_nametype(context, nametype_str,
195 &server->name.name_type);
197 krb5_err(context, 1, ret, "krb5_parse_nametype");
200 ret = krb5_get_creds(context, opt, cache, server, &out);
202 krb5_err (context, 1, ret, "krb5_get_creds");
207 ret = krb5_cc_resolve(context, out_cache_str, &id);
209 krb5_err (context, 1, ret, "krb5_cc_resolve");
211 ret = krb5_cc_initialize(context, id, out->client);
213 krb5_err (context, 1, ret, "krb5_cc_initialize");
215 ret = krb5_cc_store_cred(context, id, out);
217 krb5_err (context, 1, ret, "krb5_cc_store_cred");
218 krb5_cc_close (context, id);
221 krb5_free_creds(context, out);
222 krb5_free_principal(context, server);
223 krb5_get_creds_opt_free(context, opt);
224 krb5_cc_close (context, cache);
225 krb5_free_context (context);