1 /* $NetBSD: kgetcred.c,v 1.1.1.2 2014/04/24 12:45:28 pettai Exp $ */
4 * Copyright (c) 1997 - 2008 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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.
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.
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
36 #include "kuser_locl.h"
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 int canonicalize_flag
;
45 static char *impersonate_str
;
46 static char *nametype_str
;
47 static int version_flag
;
50 struct getargs args
[] = {
51 { "cache", 'c', arg_string
, &cache_str
,
52 NP_("credential cache to use", ""), "cache"},
53 { "out-cache", 0, arg_string
, &out_cache_str
,
54 NP_("credential cache to store credential in", ""), "cache"},
55 { "delegation-credential-cache",0,arg_string
, &delegation_cred_str
,
56 NP_("where to find the ticket use for delegation", ""), "cache"},
57 { "canonicalize", 0, arg_flag
, &canonicalize_flag
,
58 NP_("canonicalize the principal", ""), NULL
},
59 { "forwardable", 0, arg_flag
, &forwardable_flag
,
60 NP_("forwardable ticket requested", ""), NULL
},
61 { "transit-check", 0, arg_negative_flag
, &transit_flag
, NULL
, NULL
},
62 { "enctype", 'e', arg_string
, &etype_str
,
63 NP_("encryption type to use", ""), "enctype"},
64 { "impersonate", 0, arg_string
, &impersonate_str
,
65 NP_("client to impersonate", ""), "principal"},
66 { "name-type", 0, arg_string
, &nametype_str
, NULL
, NULL
},
67 { "version", 0, arg_flag
, &version_flag
, NULL
, NULL
},
68 { "help", 0, arg_flag
, &help_flag
, NULL
, NULL
}
75 sizeof(args
)/sizeof(*args
),
82 main(int argc
, char **argv
)
89 krb5_get_creds_opt opt
;
90 krb5_principal server
;
91 krb5_principal impersonate
= NULL
;
93 setprogname (argv
[0]);
95 ret
= krb5_init_context (&context
);
97 errx(1, "krb5_init_context failed: %d", ret
);
99 if(getarg(args
, sizeof(args
) / sizeof(args
[0]), argc
, argv
, &optidx
))
117 ret
= krb5_cc_resolve(context
, cache_str
, &cache
);
119 krb5_err (context
, 1, ret
, "%s", cache_str
);
121 ret
= krb5_cc_default (context
, &cache
);
123 krb5_err (context
, 1, ret
, "krb5_cc_resolve");
126 ret
= krb5_get_creds_opt_alloc(context
, &opt
);
128 krb5_err (context
, 1, ret
, "krb5_get_creds_opt_alloc");
131 krb5_enctype enctype
;
133 ret
= krb5_string_to_enctype(context
, etype_str
, &enctype
);
135 krb5_errx (context
, 1, N_("unrecognized enctype: %s", ""),
137 krb5_get_creds_opt_set_enctype(context
, opt
, enctype
);
140 if (impersonate_str
) {
141 ret
= krb5_parse_name(context
, impersonate_str
, &impersonate
);
143 krb5_err (context
, 1, ret
, "krb5_parse_name %s", impersonate_str
);
144 krb5_get_creds_opt_set_impersonate(context
, opt
, impersonate
);
145 krb5_get_creds_opt_add_options(context
, opt
, KRB5_GC_NO_STORE
);
149 krb5_get_creds_opt_add_options(context
, opt
, KRB5_GC_NO_STORE
);
151 if (forwardable_flag
)
152 krb5_get_creds_opt_add_options(context
, opt
, KRB5_GC_FORWARDABLE
);
154 krb5_get_creds_opt_add_options(context
, opt
, KRB5_GC_NO_TRANSIT_CHECK
);
155 if (canonicalize_flag
)
156 krb5_get_creds_opt_add_options(context
, opt
, KRB5_GC_CANONICALIZE
);
158 if (delegation_cred_str
) {
163 krb5_cc_clear_mcred(&mc
);
164 ret
= krb5_cc_get_principal(context
, cache
, &mc
.server
);
166 krb5_err (context
, 1, ret
, "krb5_cc_get_principal");
168 ret
= krb5_cc_resolve(context
, delegation_cred_str
, &id
);
170 krb5_err (context
, 1, ret
, "krb5_cc_resolve");
172 ret
= krb5_cc_retrieve_cred(context
, id
, 0, &mc
, &c
);
174 krb5_err (context
, 1, ret
, "krb5_cc_retrieve_cred");
176 ret
= decode_Ticket(c
.ticket
.data
, c
.ticket
.length
, &ticket
, NULL
);
178 krb5_clear_error_message(context
);
179 krb5_err (context
, 1, ret
, "decode_Ticket");
181 krb5_free_cred_contents(context
, &c
);
183 ret
= krb5_get_creds_opt_set_ticket(context
, opt
, &ticket
);
185 krb5_err (context
, 1, ret
, "krb5_get_creds_opt_set_ticket");
186 free_Ticket(&ticket
);
188 krb5_cc_close (context
, id
);
189 krb5_free_principal(context
, mc
.server
);
191 krb5_get_creds_opt_add_options(context
, opt
,
192 KRB5_GC_CONSTRAINED_DELEGATION
);
195 ret
= krb5_parse_name(context
, argv
[0], &server
);
197 krb5_err (context
, 1, ret
, "krb5_parse_name %s", argv
[0]);
202 ret
= krb5_parse_nametype(context
, nametype_str
, &nametype
);
204 krb5_err(context
, 1, ret
, "krb5_parse_nametype");
206 server
->name
.name_type
= (NAME_TYPE
)nametype
;
209 ret
= krb5_get_creds(context
, opt
, cache
, server
, &out
);
211 krb5_err (context
, 1, ret
, "krb5_get_creds");
216 ret
= krb5_cc_resolve(context
, out_cache_str
, &id
);
218 krb5_err (context
, 1, ret
, "krb5_cc_resolve");
220 ret
= krb5_cc_initialize(context
, id
, out
->client
);
222 krb5_err (context
, 1, ret
, "krb5_cc_initialize");
224 ret
= krb5_cc_store_cred(context
, id
, out
);
226 krb5_err (context
, 1, ret
, "krb5_cc_store_cred");
227 krb5_cc_close (context
, id
);
230 krb5_free_creds(context
, out
);
231 krb5_free_principal(context
, server
);
232 krb5_get_creds_opt_free(context
, opt
);
233 krb5_cc_close (context
, cache
);
234 krb5_free_context (context
);