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
36 static int version_flag;
37 static int help_flag;
38
39 struct getargs args[] = {
40 { "version", 0, arg_flag, &version_flag },
41 { "help", 'h', arg_flag, &help_flag }
42 };
43
44 const static int num_args = sizeof(args) / sizeof(args[0]);
45
46 static void
usage(int ret)47 usage(int ret)
48 {
49 arg_printusage (args, num_args, NULL, "kdc-request-log-file");
50 exit (ret);
51 }
52
53 int
main(int argc,char ** argv)54 main(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 (ret)
188 krb5_err(context, 1, ret, "Could not decode replay data");
189 if (MAKE_TAG(cl, ty, 0) != clty)
190 krb5_errx(context, 1, "class|type mismatch: %d != %d",
191 (int)MAKE_TAG(cl, ty, 0), (int)clty);
192 if (tag != tag2)
193 krb5_errx(context, 1, "tag mismatch");
194
195 krb5_data_free(&r);
196 } else {
197 if (clty != 0xffffffff)
198 krb5_errx(context, 1, "clty not invalid");
199 if (tag != 0xffffffff)
200 krb5_errx(context, 1, "tag not invalid");
201 }
202
203 out:
204 krb5_data_free(&d);
205 krb5_free_address(context, &a);
206 }
207
208 krb5_storage_free(sp);
209 krb5_free_context(context);
210
211 printf("done\n");
212
213 return 0;
214 }
215