xref: /freebsd/crypto/heimdal/lib/gssapi/gsstool.c (revision b1f9167f94059fd55c630891d359bcff987bd7eb)
1 /*
2  * Copyright (c) 2006 Kungliga Tekniska Högskolan
3  * (Royal Institute of Technology, Stockholm, Sweden).
4  * All rights reserved.
5  *
6  * Portions Copyright (c) 2009 - 2010 Apple Inc. 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 KTH nor the names of its contributors may be
20  *    used to endorse or promote products derived from this software without
21  *    specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
24  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #include <config.h>
37 #include <roken.h>
38 
39 #include <stdio.h>
40 #include <gssapi.h>
41 #include <gssapi_krb5.h>
42 #include <gssapi_spnego.h>
43 #include <gssapi_ntlm.h>
44 #include <err.h>
45 #include <getarg.h>
46 #include <rtbl.h>
47 #include <gss-commands.h>
48 
49 
50 static int version_flag = 0;
51 static int help_flag	= 0;
52 
53 static struct getargs args[] = {
54     {"version",	0,	arg_flag,	&version_flag, "print version", NULL },
55     {"help",	0,	arg_flag,	&help_flag,  NULL, NULL }
56 };
57 
58 static void
59 usage (int ret)
60 {
61     arg_printusage (args, sizeof(args)/sizeof(*args),
62 		    NULL, "service@host");
63     exit (ret);
64 }
65 
66 #define COL_OID		"OID"
67 #define COL_NAME	"Name"
68 #define COL_DESC	"Description"
69 #define COL_VALUE	"Value"
70 #define COL_MECH	"Mech"
71 #define COL_EXPIRE	"Expire"
72 #define COL_SASL	"SASL"
73 
74 int
75 supported_mechanisms(void *argptr, int argc, char **argv)
76 {
77     OM_uint32 maj_stat, min_stat;
78     gss_OID_set mechs;
79     rtbl_t ct;
80     size_t i;
81 
82     maj_stat = gss_indicate_mechs(&min_stat, &mechs);
83     if (maj_stat != GSS_S_COMPLETE)
84 	errx(1, "gss_indicate_mechs failed");
85 
86     printf("Supported mechanisms:\n");
87 
88     ct = rtbl_create();
89     if (ct == NULL)
90 	errx(1, "rtbl_create");
91 
92     rtbl_set_separator(ct, "  ");
93     rtbl_add_column(ct, COL_OID, 0);
94     rtbl_add_column(ct, COL_NAME, 0);
95     rtbl_add_column(ct, COL_DESC, 0);
96     rtbl_add_column(ct, COL_SASL, 0);
97 
98     for (i = 0; i < mechs->count; i++) {
99 	gss_buffer_desc str, sasl_name, mech_name, mech_desc;
100 
101 	maj_stat = gss_oid_to_str(&min_stat, &mechs->elements[i], &str);
102 	if (maj_stat != GSS_S_COMPLETE)
103 	    errx(1, "gss_oid_to_str failed");
104 
105 	rtbl_add_column_entryv(ct, COL_OID, "%.*s",
106 			       (int)str.length, (char *)str.value);
107 	gss_release_buffer(&min_stat, &str);
108 
109 	(void)gss_inquire_saslname_for_mech(&min_stat,
110 					    &mechs->elements[i],
111 					    &sasl_name,
112 					    &mech_name,
113 					    &mech_desc);
114 
115 	rtbl_add_column_entryv(ct, COL_NAME, "%.*s",
116 			       (int)mech_name.length, (char *)mech_name.value);
117 	rtbl_add_column_entryv(ct, COL_DESC, "%.*s",
118 			       (int)mech_desc.length, (char *)mech_desc.value);
119 	rtbl_add_column_entryv(ct, COL_SASL, "%.*s",
120 			       (int)sasl_name.length, (char *)sasl_name.value);
121 
122 	gss_release_buffer(&min_stat, &mech_name);
123 	gss_release_buffer(&min_stat, &mech_desc);
124 	gss_release_buffer(&min_stat, &sasl_name);
125 
126     }
127     gss_release_oid_set(&min_stat, &mechs);
128 
129     rtbl_format(ct, stdout);
130     rtbl_destroy(ct);
131 
132     return 0;
133 }
134 
135 static void
136 print_mech_attr(const char *mechname, gss_const_OID mech, gss_OID_set set)
137 {
138     gss_buffer_desc name, desc;
139     OM_uint32 major, minor;
140     rtbl_t ct;
141     size_t n;
142 
143     ct = rtbl_create();
144     if (ct == NULL)
145 	errx(1, "rtbl_create");
146 
147     rtbl_set_separator(ct, "  ");
148     rtbl_add_column(ct, COL_OID, 0);
149     rtbl_add_column(ct, COL_DESC, 0);
150     if (mech)
151 	rtbl_add_column(ct, COL_VALUE, 0);
152 
153     for (n = 0; n < set->count; n++) {
154 	major = gss_display_mech_attr(&minor, &set->elements[n], &name, &desc, NULL);
155 	if (major)
156 	    continue;
157 
158 	rtbl_add_column_entryv(ct, COL_OID, "%.*s",
159 			       (int)name.length, (char *)name.value);
160 	rtbl_add_column_entryv(ct, COL_DESC, "%.*s",
161 			       (int)desc.length, (char *)desc.value);
162 	if (mech) {
163 	    gss_buffer_desc value;
164 
165 	    if (gss_mo_get(mech, &set->elements[n], &value) != 0)
166 		value.length = 0;
167 
168 	    if (value.length)
169 		rtbl_add_column_entryv(ct, COL_VALUE, "%.*s",
170 				       (int)value.length, (char *)value.value);
171 	    else
172 		rtbl_add_column_entryv(ct, COL_VALUE, "<>");
173 	    gss_release_buffer(&minor, &value);
174 	}
175 
176 	gss_release_buffer(&minor, &name);
177 	gss_release_buffer(&minor, &desc);
178     }
179 
180     printf("attributes for: %s\n", mechname);
181     rtbl_format(ct, stdout);
182     rtbl_destroy(ct);
183 }
184 
185 
186 int
187 attrs_for_mech(struct attrs_for_mech_options *opt, int argc, char **argv)
188 {
189     gss_OID_set mech_attr = NULL, known_mech_attrs = NULL;
190     gss_OID mech = GSS_C_NO_OID;
191     OM_uint32 major, minor;
192 
193     if (opt->mech_string) {
194 	mech = gss_name_to_oid(opt->mech_string);
195 	if (mech == NULL)
196 	    errx(1, "mech %s is unknown", opt->mech_string);
197     }
198 
199     major = gss_inquire_attrs_for_mech(&minor, mech, &mech_attr, &known_mech_attrs);
200     if (major)
201 	errx(1, "gss_inquire_attrs_for_mech");
202 
203     if (mech) {
204 	print_mech_attr(opt->mech_string, mech, mech_attr);
205     }
206 
207     if (opt->all_flag) {
208 	print_mech_attr("all mechs", NULL, known_mech_attrs);
209     }
210 
211     gss_release_oid_set(&minor, &mech_attr);
212     gss_release_oid_set(&minor, &known_mech_attrs);
213 
214     return 0;
215 }
216 
217 
218 /*
219  *
220  */
221 
222 int
223 help(void *opt, int argc, char **argv)
224 {
225     sl_slc_help(commands, argc, argv);
226     return 0;
227 }
228 
229 int
230 main(int argc, char **argv)
231 {
232     int optidx = 0;
233 
234     setprogname(argv[0]);
235     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
236 	usage(1);
237 
238     if (help_flag)
239 	usage (0);
240 
241     if(version_flag){
242 	print_version(NULL);
243 	exit(0);
244     }
245 
246     argc -= optidx;
247     argv += optidx;
248 
249     if (argc == 0) {
250 	help(NULL, argc, argv);
251 	return 1;
252     }
253 
254     return sl_command (commands, argc, argv);
255 }
256