kadmin/load.c

   1 /*
   2  * Copyright (c) 1997 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. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Kungliga Tekniska
  20  *      Högskolan and its contributors.
  21  *
  22  * 4. Neither the name of the Institute nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #include "admin_locl.h"
  40
  41 RCSID("$Id$");
  42
  43 struct entry{
  44     char *principal;
  45     char *key;
  46     char *max_life;
  47     char *max_renew;
  48     char *created;
  49     char *modified;
  50     char *valid_start;
  51     char *valid_end;
  52     char *pw_end;
  53     char *flags;
  54 };
  55
  56 static char *
  57 skip_next(char *p)
  58 {
  59     while(*p && !isspace(*p))
  60         p++;
  61     *p++ = 0;
  62     while(*p && isspace(*p)) p++;
  63     return p;
  64 }
  65
  66 static time_t*
  67 parse_time_string(time_t *t, char *s)
  68 {
  69     int year, month, date, hour, minute, second;
  70     struct tm tm;
  71     if(strcmp(s, "-") == 0)
  72         return NULL;
  73     if(t == NULL)
  74         t = malloc(sizeof(*t));
  75     sscanf(s, "%04d%02d%02d%02d%02d%02d",
  76            &year, &month, &date, &hour, &minute, &second);
  77     tm.tm_year = year - 1900;
  78     tm.tm_mon = month - 1;
  79     tm.tm_mday = date;
  80     tm.tm_hour = hour;
  81     tm.tm_min = minute;
  82     tm.tm_sec = second;
  83     tm.tm_isdst = 0;
  84     *t = timegm(&tm);
  85     return t;
  86 }
  87
  88 unsigned*
  89 parse_integer(unsigned *u, char *s)
  90 {
  91     if(strcmp(s, "-") == 0)
  92         return NULL;
  93     if(u == NULL)
  94         u = malloc(sizeof(*u));
  95     sscanf(s, "%u", u);
  96     return u;
  97 }
  98
  99 static void
 100 parse_keys(hdb_entry *ent, char *str)
 101 {
 102     int tmp;
 103     char *p;
 104     int i;
 105
 106     p = strsep(&str, ":");
 107     sscanf(p, "%d", &tmp);
 108     ent->kvno = tmp;
 109     p = strsep(&str, ":");
 110     while(p){
 111         Key *key;
 112         key = realloc(ent->keys.val,
 113                       (ent->keys.len + 1) * sizeof(*ent->keys.val));
 114         if(key == NULL)
 115             abort();
 116         ent->keys.val = key;
 117         key = ent->keys.val + ent->keys.len;
 118         ent->keys.len++;
 119         memset(key, 0, sizeof(*key));
 120         sscanf(p, "%d", &tmp);
 121         key->mkvno = tmp;
 122         p = strsep(&str, ":");
 123         sscanf(p, "%d", &tmp);
 124         key->key.keytype = tmp;
 125         p = strsep(&str, ":");
 126         krb5_data_alloc(&key->key.keyvalue, (strlen(p) - 1) / 2 + 1);
 127         for(i = 0; i < strlen(p); i += 2){
 128             sscanf(p + i, "%02x", &tmp);
 129             ((u_char*)key->key.keyvalue.data)[i / 2] = tmp;
 130         }
 131         p = strsep(&str, ":");
 132         if(strcmp(p, "-") != 0){
 133             unsigned type;
 134             size_t p_len;
 135             if(sscanf(p, "%u/", &type) != 1){
 136
 137             }
 138             p = strchr(p, '/');
 139             if(p == NULL);
 140             p++;
 141             p_len = strlen(p);
 142
 143             key->salt = malloc(sizeof(*key->salt));
 144             key->salt->type = type;
 145
 146             if (p_len) {
 147                 krb5_data_alloc(&key->salt->salt, (p_len - 1) / 2 + 1);
 148                 for(i = 0; i < p_len; i += 2){
 149                     sscanf(p + i, "%02x", &tmp);
 150                     ((u_char*)key->salt->salt.data)[i / 2] = tmp;
 151                 }
 152             } else
 153                 krb5_data_zero (&key->salt->salt);
 154         }
 155         p = strsep(&str, ":");
 156     }
 157 }
 158
 159 static Event*
 160 parse_event(Event *ev, char *str)
 161 {
 162     char *p;
 163     if(strcmp(str, "-") == 0)
 164         return NULL;
 165     if(ev == NULL)
 166         ev = malloc(sizeof(*ev));
 167     memset(ev, 0, sizeof(*ev));
 168     p = strsep(&str, ":");
 169     parse_time_string(&ev->time, p);
 170     p = strsep(&str, ":");
 171     krb5_parse_name(context, p, &ev->principal);
 172     return ev;
 173 }
 174
 175 static HDBFlags
 176 parse_hdbflags2int(char *str)
 177 {
 178     unsigned i;
 179     parse_integer(&i, str);
 180
 181     return int2HDBFlags(i);
 182 }
 183
 184 static void
 185 doit(char *filename, int merge)
 186 {
 187     FILE *f;
 188     HDB *db;
 189     char s[1024];
 190     char *p;
 191     int line;
 192     int err;
 193     int flags = O_RDWR;
 194
 195     struct entry e;
 196     hdb_entry ent;
 197
 198     f = fopen(filename, "r");
 199     if(f == NULL){
 200         krb5_warn(context, errno, "%s: %s", filename);
 201         return;
 202     }
 203     if(!merge)
 204         flags |= O_CREAT | O_TRUNC;
 205     err = hdb_open(context, &db, database, flags, 0600);
 206     if(err){
 207         krb5_warn(context, err, "hdb_open");
 208         fclose(f);
 209         return;
 210     }
 211     line = 0;
 212     while(fgets(s, sizeof(s), f)){
 213         line++;
 214         e.principal = s;
 215         for(p = s; *p; p++){
 216             if(*p == '\\')
 217                 p++;
 218             else if(isspace(*p)) {
 219                 *p = 0;
 220                 break;
 221             }
 222         }
 223         p = skip_next(p);
 224
 225         e.key = p;
 226         p = skip_next(p);
 227
 228         e.created = p;
 229         p = skip_next(p);
 230
 231         e.modified = p;
 232         p = skip_next(p);
 233
 234         e.valid_start = p;
 235         p = skip_next(p);
 236
 237         e.valid_end = p;
 238         p = skip_next(p);
 239
 240         e.pw_end = p;
 241         p = skip_next(p);
 242
 243         e.max_life = p;
 244         p = skip_next(p);
 245
 246         e.max_renew = p;
 247         p = skip_next(p);
 248
 249         e.flags = p;
 250         p = skip_next(p);
 251
 252         memset(&ent, 0, sizeof(ent));
 253         err = krb5_parse_name(context, e.principal, &ent.principal);
 254         if(err){
 255             fprintf(stderr, "%s:%s:%s (%s)\n",
 256                     filename,
 257                     line,
 258                     krb5_get_err_text(context, err),
 259                     e.principal);
 260             continue;
 261         }
 262
 263         parse_keys(&ent, e.key);
 264
 265         parse_event(&ent.created_by, e.created);
 266         ent.modified_by = parse_event(NULL, e.modified);
 267         ent.valid_start = parse_time_string(NULL, e.valid_start);
 268         ent.valid_end = parse_time_string(NULL, e.valid_end);
 269         ent.pw_end = parse_time_string(NULL, e.pw_end);
 270         ent.max_life = parse_integer(NULL, e.max_life);
 271         ent.max_renew = parse_integer(NULL, e.max_renew);
 272
 273         ent.flags = parse_hdbflags2int(e.flags);
 274         db->store(context, db, 1, &ent);
 275         hdb_free_entry (context, &ent);
 276     }
 277     db->close(context, db);
 278     fclose(f);
 279 }
 280
 281 int
 282 load(int argc, char **argv)
 283 {
 284     if(argc < 2){
 285         krb5_warnx(context, "Usage: load filename");
 286         return 0;
 287     }
 288     doit(argv[1], 0);
 289     return 0;
 290 }
 291
 292 int
 293 merge(int argc, char **argv)
 294 {
 295     if(argc < 2){
 296         krb5_warnx(context, "Usage: merge filename");
 297         return 0;
 298     }
 299     doit(argv[1], 1);
 300     return 0;
 301 }