kdc/kdc-replay.c

   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 RCSID("$Id$");
  37
  38 static int version_flag;
  39 static int help_flag;
  40
  41 struct getargs args[] = {
  42     { "version",   0,   arg_flag, &version_flag },
  43     { "help",     'h',  arg_flag, &help_flag }
  44 };
  45
  46 const static int num_args = sizeof(args) / sizeof(args[0]);
  47
  48 static void
  49 usage(int ret)
  50 {
  51     arg_printusage (args, num_args, NULL, "kdc-request-log-file");
  52     exit (ret);
  53 }
  54
  55 int
  56 main(int argc, char **argv)
  57 {
  58     krb5_error_code ret;
  59     krb5_context context;
  60     krb5_kdc_configuration *config;
  61     krb5_storage *sp;
  62     int fd, optidx = 0;
  63
  64     setprogname(argv[0]);
  65
  66     if(getarg(args, num_args, argc, argv, &optidx))
  67         usage(1);
  68
  69     if(help_flag)
  70         usage(0);
  71
  72     if(version_flag){
  73         print_version(NULL);
  74         exit(0);
  75     }
  76
  77     ret = krb5_init_context(&context);
  78     if (ret)
  79         errx (1, "krb5_init_context failed to parse configuration file");
  80
  81     ret = krb5_kdc_get_config(context, &config);
  82     if (ret)
  83         krb5_err(context, 1, ret, "krb5_kdc_default_config");
  84
  85     kdc_openlog(context, config);
  86
  87     ret = krb5_kdc_set_dbinfo(context, config);
  88     if (ret)
  89         krb5_err(context, 1, ret, "krb5_kdc_set_dbinfo");
  90
  91     if (argc != 2)
  92         errx(1, "argc != 2");
  93
  94     printf("kdc replay\n");
  95
  96     fd = open(argv[1], O_RDONLY);
  97     if (fd < 0)
  98         err(1, "open: %s", argv[1]);
  99
 100     sp = krb5_storage_from_fd(fd);
 101     if (sp == NULL)
 102         krb5_errx(context, 1, "krb5_storage_from_fd");
 103
 104     while(1) {
 105         struct sockaddr_storage sa;
 106         krb5_socklen_t salen = sizeof(sa);
 107         struct timeval tv;
 108         krb5_address a;
 109         krb5_data d, r;
 110         uint32_t t, clty, tag;
 111         char astr[80];
 112
 113         ret = krb5_ret_uint32(sp, &t);
 114         if (ret == HEIM_ERR_EOF)
 115             break;
 116         else if (ret)
 117             krb5_errx(context, 1, "krb5_ret_uint32(version)");
 118         if (t != 1)
 119             krb5_errx(context, 1, "version not 1");
 120         ret = krb5_ret_uint32(sp, &t);
 121         if (ret)
 122             krb5_errx(context, 1, "krb5_ret_uint32(time)");
 123         ret = krb5_ret_address(sp, &a);
 124         if (ret)
 125             krb5_errx(context, 1, "krb5_ret_address");
 126         ret = krb5_ret_data(sp, &d);
 127         if (ret)
 128             krb5_errx(context, 1, "krb5_ret_data");
 129         ret = krb5_ret_uint32(sp, &clty);
 130         if (ret)
 131             krb5_errx(context, 1, "krb5_ret_uint32(class|type)");
 132         ret = krb5_ret_uint32(sp, &tag);
 133         if (ret)
 134             krb5_errx(context, 1, "krb5_ret_uint32(tag)");
 135
 136
 137         ret = krb5_addr2sockaddr (context, &a, (struct sockaddr *)&sa,
 138                                   &salen, 88);
 139         if (ret == KRB5_PROG_ATYPE_NOSUPP)
 140             goto out;
 141         else if (ret)
 142             krb5_err(context, 1, ret, "krb5_addr2sockaddr");
 143
 144         ret = krb5_print_address(&a, astr, sizeof(astr), NULL);
 145         if (ret)
 146             krb5_err(context, 1, ret, "krb5_print_address");
 147
 148         printf("processing request from %s, %lu bytes\n",
 149                astr, (unsigned long)d.length);
 150
 151         r.length = 0;
 152         r.data = NULL;
 153
 154         tv.tv_sec = t;
 155         tv.tv_usec = 0;
 156
 157         krb5_kdc_update_time(&tv);
 158         krb5_set_real_time(context, tv.tv_sec, 0);
 159
 160         ret = krb5_kdc_process_request(context, config, d.data, d.length,
 161                                        &r, NULL, astr,
 162                                        (struct sockaddr *)&sa, 0);
 163         if (ret)
 164             krb5_err(context, 1, ret, "krb5_kdc_process_request");
 165
 166         if (r.length) {
 167             Der_class cl;
 168             Der_type ty;
 169             unsigned int tag2;
 170             ret = der_get_tag (r.data, r.length,
 171                                &cl, &ty, &tag2, NULL);
 172             if (MAKE_TAG(cl, ty, 0) != clty)
 173                 krb5_errx(context, 1, "class|type mismatch: %d != %d",
 174                           (int)MAKE_TAG(cl, ty, 0), (int)clty);
 175             if (tag != tag2)
 176                 krb5_errx(context, 1, "tag mismatch");
 177
 178             krb5_data_free(&r);
 179         } else {
 180             if (clty != 0xffffffff)
 181                 krb5_errx(context, 1, "clty not invalid");
 182             if (tag != 0xffffffff)
 183                 krb5_errx(context, 1, "tag not invalid");
 184         }
 185
 186     out:
 187         krb5_data_free(&d);
 188         krb5_free_address(context, &a);
 189     }
 190
 191     krb5_storage_free(sp);
 192     krb5_free_context(context);
 193
 194     printf("done\n");
 195
 196     return 0;
 197 }