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/crypto/heimdal/lib/gssapi/gss.c

https://bitbucket.org/freebsd/freebsd-head/
C | 205 lines | 115 code | 34 blank | 56 comment | 22 complexity | b06f72de80f9ead7fb4692ca641e26f3 MD5 | raw file
  1/*
  2 * Copyright (c) 2006 Kungliga Tekniska Högskolan
  3 * (Royal Institute of Technology, Stockholm, Sweden). 
  4 * All rights reserved. 
  5 *
  6 * Redistribution and use in source and binary forms, with or without 
  7 * modification, are permitted provided that the following conditions 
  8 * are met: 
  9 *
 10 * 1. Redistributions of source code must retain the above copyright 
 11 *    notice, this list of conditions and the following disclaimer. 
 12 *
 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. 
 16 *
 17 * 3. Neither the name of KTH nor the names of its contributors may be
 18 *    used to endorse or promote products derived from this software without
 19 *    specific prior written permission.
 20 *
 21 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
 25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 32 */
 33
 34#ifdef HAVE_CONFIG_H
 35#include <config.h>
 36#endif
 37
 38#include <stdio.h>
 39#include <gssapi.h>
 40#include <err.h>
 41#include <roken.h>
 42#include <getarg.h>
 43#include <rtbl.h>
 44#include <gss-commands.h>
 45#include <krb5.h>
 46
 47RCSID("$Id: gss.c 19922 2007-01-16 09:32:03Z lha $");
 48
 49static int version_flag = 0;
 50static int help_flag	= 0;
 51
 52static struct getargs args[] = {
 53    {"version",	0,	arg_flag,	&version_flag, "print version", NULL },
 54    {"help",	0,	arg_flag,	&help_flag,  NULL, NULL }
 55};
 56
 57static void
 58usage (int ret)
 59{
 60    arg_printusage (args, sizeof(args)/sizeof(*args),
 61		    NULL, "service@host");
 62    exit (ret);
 63}
 64
 65#define COL_OID		"OID"
 66#define COL_NAME	"Name"
 67
 68int
 69supported_mechanisms(void *argptr, int argc, char **argv)
 70{
 71    OM_uint32 maj_stat, min_stat;
 72    gss_OID_set mechs;
 73    rtbl_t ct;
 74    size_t i;
 75
 76    maj_stat = gss_indicate_mechs(&min_stat, &mechs);
 77    if (maj_stat != GSS_S_COMPLETE)
 78	errx(1, "gss_indicate_mechs failed");
 79
 80    printf("Supported mechanisms:\n");
 81
 82    ct = rtbl_create();
 83    if (ct == NULL)
 84	errx(1, "rtbl_create");
 85
 86    rtbl_set_separator(ct, "  ");
 87    rtbl_add_column(ct, COL_OID, 0);
 88    rtbl_add_column(ct, COL_NAME, 0);
 89
 90    for (i = 0; i < mechs->count; i++) {
 91	gss_buffer_desc name;
 92
 93	maj_stat = gss_oid_to_str(&min_stat, &mechs->elements[i], &name);
 94	if (maj_stat != GSS_S_COMPLETE)
 95	    errx(1, "gss_oid_to_str failed");
 96
 97	rtbl_add_column_entryv(ct, COL_OID, "%.*s",
 98			       (int)name.length, (char *)name.value);
 99	gss_release_buffer(&min_stat, &name);
100
101	if (gss_oid_equal(&mechs->elements[i], GSS_KRB5_MECHANISM))
102	    rtbl_add_column_entry(ct, COL_NAME, "Kerberos 5");
103	else if (gss_oid_equal(&mechs->elements[i], GSS_SPNEGO_MECHANISM))
104	    rtbl_add_column_entry(ct, COL_NAME, "SPNEGO");
105	else if (gss_oid_equal(&mechs->elements[i], GSS_NTLM_MECHANISM))
106	    rtbl_add_column_entry(ct, COL_NAME, "NTLM");
107    }
108    gss_release_oid_set(&min_stat, &mechs);
109
110    rtbl_format(ct, stdout);
111    rtbl_destroy(ct);
112
113    return 0;
114}
115
116#if 0
117/*
118 *
119 */
120
121#define DOVEDOT_MAJOR_VERSION 1
122#define DOVEDOT_MINOR_VERSION 0
123
124/*
125	S: MECH mech mech-parameters
126	S: MECH mech mech-parameters
127	S: VERSION major minor
128	S: CPID pid
129	S: CUID pid
130	S: ...
131	S: DONE
132	C: VERSION major minor
133	C: CPID pid
134
135	C: AUTH id method service= resp=
136	C: CONT id message
137
138	S: OK id user=
139	S: FAIL id reason=
140	S: CONTINUE id message
141*/
142
143int
144dovecot_server(void *argptr, int argc, char **argv)
145{
146    krb5_storage *sp;
147    int fd = 0;
148
149    sp = krb5_storage_from_fd(fd);
150    if (sp == NULL)
151	errx(1, "krb5_storage_from_fd");
152
153    krb5_store_stringnl(sp, "MECH\tGSSAPI");
154    krb5_store_stringnl(sp, "VERSION\t1\t0");
155    krb5_store_stringnl(sp, "DONE");
156
157    while (1) {
158	char *cmd;
159	if (krb5_ret_stringnl(sp, &cmd) != 0)
160	    break;
161	printf("cmd: %s\n", cmd);
162	free(cmd);
163    }
164    return 0;
165}
166#endif
167
168/*
169 *
170 */
171
172int
173help(void *opt, int argc, char **argv)
174{
175    sl_slc_help(commands, argc, argv);
176    return 0;
177}
178
179int
180main(int argc, char **argv)
181{
182    int optidx = 0;
183
184    setprogname(argv[0]);
185    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
186	usage(1);
187    
188    if (help_flag)
189	usage (0);
190
191    if(version_flag){
192	print_version(NULL);
193	exit(0);
194    }
195
196    argc -= optidx;
197    argv += optidx;
198
199    if (argc == 0) {
200	help(NULL, argc, argv);
201	return 1;
202    }
203
204    return sl_command (commands, argc, argv);
205}