1/*
2 * Copyright (c) 2007 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 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.
20 *
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
31 * SUCH DAMAGE.
32 */
33
34#include "kdc_locl.h"
35
36static int version_flag;
37static int help_flag;
38
39struct getargs args[] = {
40    { "version",   0,	arg_flag, &version_flag },
41    { "help",     'h',	arg_flag, &help_flag }
42};
43
44const static int num_args = sizeof(args) / sizeof(args[0]);
45
46static void
47usage(int ret)
48{
49    arg_printusage (args, num_args, NULL, "kdc-request-log-file");
50    exit (ret);
51}
52
53int
54main(int argc, char **argv)
55{
56    krb5_error_code ret;
57    krb5_context context;
58    krb5_kdc_configuration *config;
59    krb5_storage *sp;
60    int fd, optidx = 0;
61
62    setprogname(argv[0]);
63
64    if(getarg(args, num_args, argc, argv, &optidx))
65	usage(1);
66
67    if(help_flag)
68	usage(0);
69
70    if(version_flag){
71	print_version(NULL);
72	exit(0);
73    }
74
75    ret = krb5_init_context(&context);
76    if (ret)
77	errx (1, "krb5_init_context failed to parse configuration file");
78
79    ret = krb5_kdc_get_config(context, &config);
80    if (ret)
81	krb5_err(context, 1, ret, "krb5_kdc_default_config");
82
83    kdc_openlog(context, "kdc-replay", config);
84
85    ret = krb5_kdc_set_dbinfo(context, config);
86    if (ret)
87	krb5_err(context, 1, ret, "krb5_kdc_set_dbinfo");
88
89#ifdef PKINIT
90    if (config->enable_pkinit) {
91	if (config->pkinit_kdc_identity == NULL)
92	    krb5_errx(context, 1, "pkinit enabled but no identity");
93
94	if (config->pkinit_kdc_anchors == NULL)
95	    krb5_errx(context, 1, "pkinit enabled but no X509 anchors");
96
97	krb5_kdc_pk_initialize(context, config,
98			       config->pkinit_kdc_identity,
99			       config->pkinit_kdc_anchors,
100			       config->pkinit_kdc_cert_pool,
101			       config->pkinit_kdc_revoke);
102
103    }
104#endif /* PKINIT */
105
106    if (argc != 2)
107	errx(1, "argc != 2");
108
109    printf("kdc replay\n");
110
111    fd = open(argv[1], O_RDONLY);
112    if (fd < 0)
113	err(1, "open: %s", argv[1]);
114
115    sp = krb5_storage_from_fd(fd);
116    if (sp == NULL)
117	krb5_errx(context, 1, "krb5_storage_from_fd");
118
119    while(1) {
120	struct sockaddr_storage sa;
121	krb5_socklen_t salen = sizeof(sa);
122	struct timeval tv;
123	krb5_address a;
124	krb5_data d, r;
125	uint32_t t, clty, tag;
126	char astr[80];
127
128	ret = krb5_ret_uint32(sp, &t);
129	if (ret == HEIM_ERR_EOF)
130	    break;
131	else if (ret)
132	    krb5_errx(context, 1, "krb5_ret_uint32(version)");
133	if (t != 1)
134	    krb5_errx(context, 1, "version not 1");
135	ret = krb5_ret_uint32(sp, &t);
136	if (ret)
137	    krb5_errx(context, 1, "krb5_ret_uint32(time)");
138	ret = krb5_ret_address(sp, &a);
139	if (ret)
140	    krb5_errx(context, 1, "krb5_ret_address");
141	ret = krb5_ret_data(sp, &d);
142	if (ret)
143	    krb5_errx(context, 1, "krb5_ret_data");
144	ret = krb5_ret_uint32(sp, &clty);
145	if (ret)
146	    krb5_errx(context, 1, "krb5_ret_uint32(class|type)");
147	ret = krb5_ret_uint32(sp, &tag);
148	if (ret)
149	    krb5_errx(context, 1, "krb5_ret_uint32(tag)");
150
151
152	ret = krb5_addr2sockaddr (context, &a, (struct sockaddr *)&sa,
153				  &salen, 88);
154	if (ret == KRB5_PROG_ATYPE_NOSUPP)
155	    goto out;
156	else if (ret)
157	    krb5_err(context, 1, ret, "krb5_addr2sockaddr");
158
159	ret = krb5_print_address(&a, astr, sizeof(astr), NULL);
160	if (ret)
161	    krb5_err(context, 1, ret, "krb5_print_address");
162
163	printf("processing request from %s, %lu bytes\n",
164	       astr, (unsigned long)d.length);
165
166	r.length = 0;
167	r.data = NULL;
168
169	tv.tv_sec = t;
170	tv.tv_usec = 0;
171
172	krb5_kdc_update_time(&tv);
173	krb5_set_real_time(context, tv.tv_sec, 0);
174
175	ret = krb5_kdc_process_request(context, config, d.data, d.length,
176				       &r, NULL, astr,
177				       (struct sockaddr *)&sa, 0);
178	if (ret)
179	    krb5_err(context, 1, ret, "krb5_kdc_process_request");
180
181	if (r.length) {
182	    Der_class cl;
183	    Der_type ty;
184	    unsigned int tag2;
185	    ret = der_get_tag (r.data, r.length,
186			       &cl, &ty, &tag2, NULL);
187	    if (MAKE_TAG(cl, ty, 0) != clty)
188		krb5_errx(context, 1, "class|type mismatch: %d != %d",
189			  (int)MAKE_TAG(cl, ty, 0), (int)clty);
190	    if (tag != tag2)
191		krb5_errx(context, 1, "tag mismatch");
192
193	    krb5_data_free(&r);
194	} else {
195	    if (clty != 0xffffffff)
196		krb5_errx(context, 1, "clty not invalid");
197	    if (tag != 0xffffffff)
198		krb5_errx(context, 1, "tag not invalid");
199	}
200
201    out:
202	krb5_data_free(&d);
203	krb5_free_address(context, &a);
204    }
205
206    krb5_storage_free(sp);
207    krb5_free_context(context);
208
209    printf("done\n");
210
211    return 0;
212}
213