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 47 usage(int ret) 48 { 49 arg_printusage (args, num_args, NULL, "kdc-request-log-file"); 50 exit (ret); 51 } 52 53 int 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