2 * Copyright (c) 1997 - 2007 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
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
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
34 #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 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
);