libopkg/opkg_conf.c

   1 /* opkg_conf.c - the opkg package management system
   2
   3    Carl D. Worth
   4
   5    Copyright (C) 2001 University of Southern California
   6
   7    This program is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU General Public License as
   9    published by the Free Software Foundation; either version 2, or (at
  10    your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16 */
  17
  18 #include "includes.h"
  19 #include "opkg_conf.h"
  20 #include "opkg_error.h"
  21
  22 #include "xregex.h"
  23 #include "sprintf_alloc.h"
  24 #include "args.h"
  25 #include "opkg_message.h"
  26 #include "file_util.h"
  27 #include "str_util.h"
  28 #include "xsystem.h"
  29 #include <glob.h>
  30 #include "opkg_defines.h"
  31
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34 #include <fcntl.h>
  35
  36 extern char *conf_file_dir;
  37
  38 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
  39                                 pkg_src_list_t *pkg_src_list,
  40                                 nv_pair_list_t *tmp_dest_nv_pair_list,
  41                                 char **tmp_lists_dir);
  42 static int opkg_conf_set_option(const opkg_option_t *options,
  43                                 const char *name, const char *value);
  44 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
  45                                       const char *default_dest_name);
  46 static int set_and_load_pkg_src_list(opkg_conf_t *conf,
  47                                      pkg_src_list_t *nv_pair_list);
  48 static int set_and_load_pkg_dest_list(opkg_conf_t *conf,
  49                                       nv_pair_list_t *nv_pair_list, char * lists_dir);
  50
  51 int opkg_init_options_array(const opkg_conf_t *conf, opkg_option_t **options)
  52 {
  53      opkg_option_t tmp[] = {
  54           { "cache", OPKG_OPT_TYPE_STRING, &conf->cache},
  55           { "force_defaults", OPKG_OPT_TYPE_BOOL, &conf->force_defaults },
  56           { "force_maintainer", OPKG_OPT_TYPE_BOOL, &conf->force_maintainer },
  57           { "force_depends", OPKG_OPT_TYPE_BOOL, &conf->force_depends },
  58           { "force_overwrite", OPKG_OPT_TYPE_BOOL, &conf->force_overwrite },
  59           { "force_downgrade", OPKG_OPT_TYPE_BOOL, &conf->force_downgrade },
  60           { "force_reinstall", OPKG_OPT_TYPE_BOOL, &conf->force_reinstall },
  61           { "force_space", OPKG_OPT_TYPE_BOOL, &conf->force_space },
  62           { "check_signature", OPKG_OPT_TYPE_INT, &conf->check_signature },
  63           { "ftp_proxy", OPKG_OPT_TYPE_STRING, &conf->ftp_proxy },
  64           { "http_proxy", OPKG_OPT_TYPE_STRING, &conf->http_proxy },
  65           { "no_proxy", OPKG_OPT_TYPE_STRING, &conf->no_proxy },
  66           { "test", OPKG_OPT_TYPE_INT, &conf->noaction },
  67           { "noaction", OPKG_OPT_TYPE_INT, &conf->noaction },
  68           { "nodeps", OPKG_OPT_TYPE_BOOL, &conf->nodeps },
  69           { "offline_root", OPKG_OPT_TYPE_STRING, &conf->offline_root },
  70           { "offline_root_path", OPKG_OPT_TYPE_STRING, &conf->offline_root_path },
  71           { "offline_root_post_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_post_script_cmd },
  72           { "offline_root_pre_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_pre_script_cmd },
  73           { "proxy_passwd", OPKG_OPT_TYPE_STRING, &conf->proxy_passwd },
  74           { "proxy_user", OPKG_OPT_TYPE_STRING, &conf->proxy_user },
  75           { "query-all", OPKG_OPT_TYPE_BOOL, &conf->query_all },
  76           { "verbosity", OPKG_OPT_TYPE_BOOL, &conf->verbosity },
  77           { NULL }
  78      };
  79
  80      *options = (opkg_option_t *)calloc(1, sizeof(tmp));
  81      if ( options == NULL ){
  82         fprintf(stderr,"%s: Unable to allocate memory\n",__FUNCTION__);
  83         return -1;
  84      }
  85
  86      memcpy(*options, tmp, sizeof(tmp));
  87      return 0;
  88 };
  89
  90 static void opkg_conf_override_string(char **conf_str, char *arg_str)
  91 {
  92      if (arg_str) {
  93           if (*conf_str) {
  94                free(*conf_str);
  95           }
  96           *conf_str = strdup(arg_str);
  97      }
  98 }
  99
 100 static void opkg_conf_free_string(char **conf_str)
 101 {
 102      if (*conf_str) {
 103           free(*conf_str);
 104           *conf_str = NULL;
 105      }
 106 }
 107
 108 int opkg_conf_init(opkg_conf_t *conf, const args_t *args)
 109 {
 110      int err;
 111      char *tmp_dir_base;
 112      nv_pair_list_t tmp_dest_nv_pair_list;
 113      char *lists_dir = NULL, *lock_file = NULL;
 114      glob_t globbuf;
 115      char *etc_opkg_conf_pattern;
 116      char *pending_dir = NULL;
 117
 118      memset(conf, 0, sizeof(opkg_conf_t));
 119
 120      pkg_src_list_init(&conf->pkg_src_list);
 121
 122      nv_pair_list_init(&tmp_dest_nv_pair_list);
 123      pkg_dest_list_init(&conf->pkg_dest_list);
 124
 125      nv_pair_list_init(&conf->arch_list);
 126
 127      conf->restrict_to_default_dest = 0;
 128      conf->default_dest = NULL;
 129
 130      /* check for lock file */
 131      if (args->offline_root)
 132        sprintf_alloc (&lock_file, "%s/%s/lock", args->offline_root, OPKG_STATE_DIR_PREFIX);
 133      else
 134        sprintf_alloc (&lock_file, "%s/lock", OPKG_STATE_DIR_PREFIX);
 135
 136      conf->lock_fd = creat (lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
 137      err = lockf (conf->lock_fd, F_TLOCK, 0);
 138
 139      free (lock_file);
 140
 141      if (err)
 142      {
 143        opkg_message (conf, OPKG_ERROR, "Could not obtain administrative lock\n");
 144        return OPKG_CONF_ERR_LOCK;
 145      }
 146
 147      if (args->tmp_dir)
 148           tmp_dir_base = args->tmp_dir;
 149      else
 150           tmp_dir_base = getenv("TMPDIR");
 151      sprintf_alloc(&conf->tmp_dir, "%s/%s",
 152                    tmp_dir_base ? tmp_dir_base : OPKG_CONF_DEFAULT_TMP_DIR_BASE,
 153                    OPKG_CONF_TMP_DIR_SUFFIX);
 154      conf->tmp_dir = mkdtemp(conf->tmp_dir);
 155      if (conf->tmp_dir == NULL) {
 156           fprintf(stderr, "%s: Failed to create temporary directory `%s': %s\n",
 157                   __FUNCTION__, conf->tmp_dir, strerror(errno));
 158           return OPKG_CONF_ERR_TMP_DIR;
 159      }
 160
 161      pkg_hash_init("pkg-hash", &conf->pkg_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 162      hash_table_init("file-hash", &conf->file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 163      hash_table_init("obs-file-hash", &conf->obs_file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 164      lists_dir=(char *)malloc(1);
 165      lists_dir[0]='\0';
 166      if (args->conf_file) {
 167           struct stat stat_buf;
 168           err = stat(args->conf_file, &stat_buf);
 169           if (err == 0)
 170                if (opkg_conf_parse_file(conf, args->conf_file,
 171                                     &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 172                    /* Memory leakage from opkg_conf_parse-file */
 173                    return OPKG_CONF_ERR_PARSE;
 174                }
 175      }
 176
 177      if (strlen(lists_dir)<=1 ){
 178         lists_dir = realloc(lists_dir,strlen(OPKG_CONF_LISTS_DIR)+2);
 179         sprintf (lists_dir,"%s",OPKG_CONF_LISTS_DIR);
 180      }
 181
 182      if (args->offline_root) {
 183             char *tmp;
 184             sprintf_alloc(&tmp, "%s/%s",args->offline_root,lists_dir);
 185             free(lists_dir);
 186             lists_dir = tmp;
 187      }
 188
 189      pending_dir = calloc(1, strlen(lists_dir)+strlen("/pending")+5);
 190      snprintf(pending_dir,strlen(lists_dir)+strlen("/pending") ,"%s%s",lists_dir,"/pending");
 191
 192      conf->lists_dir = strdup(lists_dir);
 193      conf->pending_dir = strdup(pending_dir);
 194
 195      if (args->offline_root)
 196           sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf", args->offline_root);
 197      else
 198           sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf", conf_file_dir);
 199      memset(&globbuf, 0, sizeof(globbuf));
 200      err = glob(etc_opkg_conf_pattern, 0, NULL, &globbuf);
 201      free (etc_opkg_conf_pattern);
 202      if (!err) {
 203           int i;
 204           for (i = 0; i < globbuf.gl_pathc; i++) {
 205                if (globbuf.gl_pathv[i])
 206                     if ( opkg_conf_parse_file(conf, globbuf.gl_pathv[i],
 207                                          &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 208                         /* Memory leakage from opkg_conf_parse-file */
 209                         return OPKG_CONF_ERR_PARSE;
 210                     }
 211           }
 212      }
 213      globfree(&globbuf);
 214
 215      /* if no architectures were defined, then default all, noarch, and host architecture */
 216      if (nv_pair_list_empty(&conf->arch_list)) {
 217           nv_pair_list_append(&conf->arch_list, "all", "1");
 218           nv_pair_list_append(&conf->arch_list, "noarch", "1");
 219           nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 220      }
 221
 222      /* Even if there is no conf file, we'll need at least one dest. */
 223      if (nv_pair_list_empty(&tmp_dest_nv_pair_list)) {
 224           nv_pair_list_append(&tmp_dest_nv_pair_list,
 225                               OPKG_CONF_DEFAULT_DEST_NAME,
 226                               OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 227      }
 228
 229      /* After parsing the file, set options from command-line, (so that
 230         command-line arguments take precedence) */
 231      /* XXX: CLEANUP: The interaction between args.c and opkg_conf.c
 232         really needs to be cleaned up. There is so much duplication
 233         right now it is ridiculous. Maybe opkg_conf_t should just save
 234         a pointer to args_t (which could then not be freed), rather
 235         than duplicating every field here? */
 236      if (args->autoremove) {
 237           conf->autoremove = 1;
 238      }
 239      if (args->force_depends) {
 240           conf->force_depends = 1;
 241      }
 242      if (args->force_defaults) {
 243           conf->force_defaults = 1;
 244      }
 245      if (args->force_maintainer) {
 246           conf->force_maintainer = 1;
 247      }
 248      if (args->force_overwrite) {
 249           conf->force_overwrite = 1;
 250      }
 251      if (args->force_downgrade) {
 252           conf->force_downgrade = 1;
 253      }
 254      if (args->force_reinstall) {
 255           conf->force_reinstall = 1;
 256      }
 257      if (args->force_removal_of_dependent_packages) {
 258           conf->force_removal_of_dependent_packages = 1;
 259      }
 260      if (args->force_removal_of_essential_packages) {
 261           conf->force_removal_of_essential_packages = 1;
 262      }
 263      if (args->nodeps) {
 264           conf->nodeps = 1;
 265      }
 266      if (args->noaction) {
 267           conf->noaction = 1;
 268      }
 269      if (args->query_all) {
 270           conf->query_all = 1;
 271      }
 272      if (args->verbosity != conf->verbosity) {
 273           conf->verbosity = args->verbosity;
 274      }
 275
 276      opkg_conf_override_string(&conf->offline_root,
 277                                args->offline_root);
 278      opkg_conf_override_string(&conf->offline_root_path,
 279                                args->offline_root_path);
 280      opkg_conf_override_string(&conf->offline_root_pre_script_cmd,
 281                                args->offline_root_pre_script_cmd);
 282      opkg_conf_override_string(&conf->offline_root_post_script_cmd,
 283                                args->offline_root_post_script_cmd);
 284
 285      opkg_conf_override_string(&conf->cache, args->cache);
 286
 287 /* Pigi: added a flag to disable the checking of structures if the command does not need to
 288          read anything from there.
 289 */
 290      if ( !(args->nocheckfordirorfile)){
 291         /* need to run load the source list before dest list -Jamey */
 292         if ( !(args->noreadfeedsfile))
 293            set_and_load_pkg_src_list(conf, &conf->pkg_src_list);
 294
 295         /* Now that we have resolved conf->offline_root, we can commit to
 296            the directory names for the dests and load in all the package
 297            lists. */
 298         set_and_load_pkg_dest_list(conf, &tmp_dest_nv_pair_list,lists_dir);
 299
 300         if (args->dest) {
 301              err = opkg_conf_set_default_dest(conf, args->dest);
 302              if (err) {
 303                   return OPKG_CONF_ERR_DEFAULT_DEST;
 304              }
 305         }
 306      }
 307      nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 308      free(lists_dir);
 309      free(pending_dir);
 310
 311      return 0;
 312 }
 313
 314 void opkg_conf_deinit(opkg_conf_t *conf)
 315 {
 316 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
 317 #error
 318      fprintf(stderr, "%s: Not cleaning up %s since opkg compiled "
 319              "with OPKG_DEBUG_NO_TMP_CLEANUP\n",
 320              __FUNCTION__, conf->tmp_dir);
 321 #else
 322      int err;
 323
 324      err = rmdir(conf->tmp_dir);
 325      if (err) {
 326           if (errno == ENOTEMPTY) {
 327                char *cmd;
 328                sprintf_alloc(&cmd, "rm -fr %s\n", conf->tmp_dir);
 329                err = xsystem(cmd);
 330                free(cmd);
 331           }
 332           if (err)
 333                fprintf(stderr, "WARNING: Unable to remove temporary directory: %s: %s\n", conf->tmp_dir, strerror(errno));
 334      }
 335 #endif /* OPKG_DEBUG_NO_TMP_CLEANUP */
 336
 337      free(conf->tmp_dir); /*XXX*/
 338      free(conf->lists_dir);
 339      free(conf->pending_dir);
 340
 341      pkg_src_list_deinit(&conf->pkg_src_list);
 342      pkg_dest_list_deinit(&conf->pkg_dest_list);
 343      nv_pair_list_deinit(&conf->arch_list);
 344      if (&conf->pkg_hash)
 345                     pkg_hash_deinit(&conf->pkg_hash);
 346      if (&conf->file_hash)
 347                     hash_table_deinit(&conf->file_hash);
 348      if (&conf->obs_file_hash)
 349                     hash_table_deinit(&conf->obs_file_hash);
 350
 351      opkg_conf_free_string(&conf->offline_root);
 352      opkg_conf_free_string(&conf->offline_root_path);
 353      opkg_conf_free_string(&conf->offline_root_pre_script_cmd);
 354      opkg_conf_free_string(&conf->offline_root_post_script_cmd);
 355
 356      opkg_conf_free_string(&conf->cache);
 357
 358      if (conf->verbosity > 1) {
 359           int i;
 360           hash_table_t *hashes[] = {
 361                &conf->pkg_hash,
 362                &conf->file_hash,
 363                &conf->obs_file_hash };
 364           for (i = 0; i < 3; i++) {
 365                hash_table_t *hash = hashes[i];
 366                int c = 0;
 367                int n_conflicts = 0;
 368                int j;
 369                for (j = 0; j < hash->n_entries; j++) {
 370                     int len = 0;
 371                     hash_entry_t *e = &hash->entries[j];
 372                     if (e->next)
 373                          n_conflicts++;
 374                     while (e && e->key) {
 375                          len++;
 376                          e = e->next;
 377                     }
 378                     if (len > c)
 379                          c = len;
 380                }
 381                opkg_message(conf, OPKG_DEBUG, "hash_table[%s] n_buckets=%d n_elements=%d max_conflicts=%d n_conflicts=%d\n",
 382                             hash->name, hash->n_entries, hash->n_elements, c, n_conflicts);
 383                hash_table_deinit(hash);
 384           }
 385      }
 386 }
 387
 388 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
 389                                       const char *default_dest_name)
 390 {
 391      pkg_dest_list_elt_t *iter;
 392      pkg_dest_t *dest;
 393
 394      for (iter = void_list_first(&conf->pkg_dest_list); iter; iter = void_list_next(&conf->pkg_dest_list, iter)) {
 395           dest = (pkg_dest_t *)iter->data;
 396           if (strcmp(dest->name, default_dest_name) == 0) {
 397                conf->default_dest = dest;
 398                conf->restrict_to_default_dest = 1;
 399                return 0;
 400           }
 401      }
 402
 403      fprintf(stderr, "ERROR: Unknown dest name: `%s'\n", default_dest_name);
 404
 405      return 1;
 406 }
 407
 408 static int set_and_load_pkg_src_list(opkg_conf_t *conf, pkg_src_list_t *pkg_src_list)
 409 {
 410      pkg_src_list_elt_t *iter;
 411      pkg_src_t *src;
 412      char *list_file;
 413
 414      for (iter = void_list_first(pkg_src_list); iter; iter = void_list_next(pkg_src_list, iter)) {
 415           src = (pkg_src_t *)iter->data;
 416           if (src == NULL) {
 417                continue;
 418           }
 419
 420           sprintf_alloc(&list_file, "%s/%s",
 421                           conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir,
 422                           src->name);
 423
 424           if (file_exists(list_file)) {
 425                pkg_hash_add_from_file(conf, list_file, src, NULL, 0);
 426           }
 427           free(list_file);
 428      }
 429
 430      return 0;
 431 }
 432
 433 static int set_and_load_pkg_dest_list(opkg_conf_t *conf, nv_pair_list_t *nv_pair_list, char *lists_dir )
 434 {
 435      nv_pair_list_elt_t *iter;
 436      nv_pair_t *nv_pair;
 437      pkg_dest_t *dest;
 438      char *root_dir;
 439
 440      for (iter = nv_pair_list_first(nv_pair_list); iter; iter = nv_pair_list_next(nv_pair_list, iter)) {
 441           nv_pair = (nv_pair_t *)iter->data;
 442
 443           if (conf->offline_root) {
 444                sprintf_alloc(&root_dir, "%s%s", conf->offline_root, nv_pair->value);
 445           } else {
 446                root_dir = strdup(nv_pair->value);
 447           }
 448           dest = pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name, root_dir, lists_dir);
 449           free(root_dir);
 450           if (dest == NULL) {
 451                continue;
 452           }
 453           if (conf->default_dest == NULL) {
 454                conf->default_dest = dest;
 455           }
 456           if (file_exists(dest->status_file_name)) {
 457                pkg_hash_add_from_file(conf, dest->status_file_name,
 458                                       NULL, dest, 1);
 459           }
 460      }
 461
 462      return 0;
 463 }
 464
 465 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
 466                                 pkg_src_list_t *pkg_src_list,
 467                                 nv_pair_list_t *tmp_dest_nv_pair_list,
 468                                 char **lists_dir)
 469 {
 470      int err;
 471      opkg_option_t * options;
 472      FILE *file = fopen(filename, "r");
 473      regex_t valid_line_re, comment_re;
 474 #define regmatch_size 12
 475      regmatch_t regmatch[regmatch_size];
 476
 477      if (opkg_init_options_array(conf, &options)<0)
 478         return ENOMEM;
 479
 480      if (file == NULL) {
 481           fprintf(stderr, "%s: failed to open %s: %s\n",
 482                   __FUNCTION__, filename, strerror(errno));
 483           free(options);
 484           return errno;
 485      }
 486      opkg_message(conf, OPKG_NOTICE, "loading conf file %s\n", filename);
 487
 488      err = xregcomp(&comment_re,
 489                     "^[[:space:]]*(#.*|[[:space:]]*)$",
 490                     REG_EXTENDED);
 491      if (err) {
 492           free(options);
 493           return err;
 494      }
 495      err = xregcomp(&valid_line_re, "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))([[:space:]]+([^[:space:]]+))?[[:space:]]*$", REG_EXTENDED);
 496      if (err) {
 497           free(options);
 498           return err;
 499      }
 500
 501      while(1) {
 502           int line_num = 0;
 503           char *line;
 504           char *type, *name, *value, *extra;
 505
 506           line = file_read_line_alloc(file);
 507           line_num++;
 508           if (line == NULL) {
 509                break;
 510           }
 511
 512           str_chomp(line);
 513
 514           if (regexec(&comment_re, line, 0, 0, 0) == 0) {
 515                goto NEXT_LINE;
 516           }
 517
 518           if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) == REG_NOMATCH) {
 519                str_chomp(line);
 520                fprintf(stderr, "%s:%d: Ignoring invalid line: `%s'\n",
 521                        filename, line_num, line);
 522                goto NEXT_LINE;
 523           }
 524
 525           /* This has to be so ugly to deal with optional quotation marks */
 526           if (regmatch[2].rm_so > 0) {
 527                type = strndup(line + regmatch[2].rm_so,
 528                               regmatch[2].rm_eo - regmatch[2].rm_so);
 529           } else {
 530                type = strndup(line + regmatch[3].rm_so,
 531                               regmatch[3].rm_eo - regmatch[3].rm_so);
 532           }
 533           if (regmatch[5].rm_so > 0) {
 534                name = strndup(line + regmatch[5].rm_so,
 535                               regmatch[5].rm_eo - regmatch[5].rm_so);
 536           } else {
 537                name = strndup(line + regmatch[6].rm_so,
 538                               regmatch[6].rm_eo - regmatch[6].rm_so);
 539           }
 540           if (regmatch[8].rm_so > 0) {
 541                value = strndup(line + regmatch[8].rm_so,
 542                                regmatch[8].rm_eo - regmatch[8].rm_so);
 543           } else {
 544                value = strndup(line + regmatch[9].rm_so,
 545                                regmatch[9].rm_eo - regmatch[9].rm_so);
 546           }
 547           extra = NULL;
 548           if (regmatch[11].rm_so > 0) {
 549                extra = strndup (line + regmatch[11].rm_so,
 550                                 regmatch[11].rm_eo - regmatch[11].rm_so);
 551           }
 552
 553           /* We use the tmp_dest_nv_pair_list below instead of
 554              conf->pkg_dest_list because we might encounter an
 555              offline_root option later and that would invalidate the
 556              directories we would have computed in
 557              pkg_dest_list_init. (We do a similar thing with
 558              tmp_src_nv_pair_list for sake of symmetry.) */
 559           if (strcmp(type, "option") == 0) {
 560                opkg_conf_set_option(options, name, value);
 561           } else if (strcmp(type, "src") == 0) {
 562                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 563                     pkg_src_list_append (pkg_src_list, name, value, extra, 0);
 564                } else {
 565                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 566                                  name, value);
 567                }
 568           } else if (strcmp(type, "src/gz") == 0) {
 569                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 570                     pkg_src_list_append (pkg_src_list, name, value, extra, 1);
 571                } else {
 572                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 573                                  name, value);
 574                }
 575           } else if (strcmp(type, "dest") == 0) {
 576                nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
 577           } else if (strcmp(type, "lists_dir") == 0) {
 578                *lists_dir = realloc(*lists_dir,strlen(value)+1);
 579                if (*lists_dir == NULL) {
 580                     opkg_message(conf, OPKG_ERROR, "ERROR: Not enough memory\n");
 581                     free(options);
 582                     return EINVAL;
 583                }
 584                sprintf (*lists_dir,"%s",value);
 585           } else if (strcmp(type, "arch") == 0) {
 586                opkg_message(conf, OPKG_INFO, "supported arch %s priority (%s)\n", name, value);
 587                if (!value) {
 588                     opkg_message(conf, OPKG_NOTICE, "defaulting architecture %s priority to 10\n", name);
 589                     value = strdup("10");
 590                }
 591                nv_pair_list_append(&conf->arch_list, name, value);
 592           } else {
 593                fprintf(stderr, "WARNING: Ignoring unknown configuration "
 594                        "parameter: %s %s %s\n", type, name, value);
 595                free(options);
 596                return EINVAL;
 597           }
 598
 599           free(type);
 600           free(name);
 601           free(value);
 602           if (extra)
 603                free (extra);
 604
 605      NEXT_LINE:
 606           free(line);
 607      }
 608
 609      free(options);
 610      regfree(&comment_re);
 611      regfree(&valid_line_re);
 612      fclose(file);
 613
 614      return 0;
 615 }
 616
 617 static int opkg_conf_set_option(const opkg_option_t *options,
 618                                 const char *name, const char *value)
 619 {
 620      int i = 0;
 621      while (options[i].name) {
 622           if (strcmp(options[i].name, name) == 0) {
 623                switch (options[i].type) {
 624                case OPKG_OPT_TYPE_BOOL:
 625                     *((int *)options[i].value) = 1;
 626                     return 0;
 627                case OPKG_OPT_TYPE_INT:
 628                     if (value) {
 629                          *((int *)options[i].value) = atoi(value);
 630                          return 0;
 631                     } else {
 632                          printf("%s: Option %s need an argument\n",
 633                                 __FUNCTION__, name);
 634                          return EINVAL;
 635                     }
 636                case OPKG_OPT_TYPE_STRING:
 637                     if (value) {
 638                          *((char **)options[i].value) = strdup(value);
 639                          return 0;
 640                     } else {
 641                          printf("%s: Option %s need an argument\n",
 642                                 __FUNCTION__, name);
 643                          return EINVAL;
 644                     }
 645                }
 646           }
 647           i++;
 648      }
 649
 650      fprintf(stderr, "%s: Unrecognized option: %s=%s\n",
 651              __FUNCTION__, name, value);
 652      return EINVAL;
 653 }
 654
 655 int opkg_conf_write_status_files(opkg_conf_t *conf)
 656 {
 657      pkg_dest_t *dest;
 658      pkg_vec_t *all;
 659      pkg_t *pkg;
 660      register int i;
 661      int err;
 662      FILE * status_file=NULL;
 663
 664      if (conf->noaction)
 665           return 0;
 666
 667      dest = (pkg_dest_t *)void_list_first(&conf->pkg_dest_list)->data;
 668      status_file = fopen(dest->status_file_tmp_name, "w");
 669      if (status_file == NULL) {
 670          fprintf(stderr, "%s: Can't open status file: %s for writing: %s\n",
 671                  __FUNCTION__, dest->status_file_tmp_name, strerror(errno));
 672      }
 673
 674      all = pkg_vec_alloc();
 675      pkg_hash_fetch_available(&conf->pkg_hash, all);
 676
 677      for(i = 0; i < all->len; i++) {
 678           pkg = all->pkgs[i];
 679           /* We don't need most uninstalled packages in the status file */
 680           if (pkg->state_status == SS_NOT_INSTALLED
 681               && (pkg->state_want == SW_UNKNOWN
 682                   || pkg->state_want == SW_DEINSTALL
 683                   || pkg->state_want == SW_PURGE)) {
 684                continue;
 685           }
 686           if (!pkg) {
 687             fprintf(stderr, "Null package\n");
 688           }
 689           if (pkg->dest == NULL) {
 690                fprintf(stderr, "%s: ERROR: Can't write status for "
 691                        "package %s since it has a NULL dest\n",
 692                        __FUNCTION__, pkg->name);
 693                continue;
 694           }
 695           if (status_file) {
 696                pkg_print_status(pkg, status_file);
 697           }
 698      }
 699
 700      pkg_vec_free(all);
 701
 702      if (status_file) {
 703          err = ferror(status_file);
 704          fclose(status_file);
 705          if (!err) {
 706              file_move(dest->status_file_tmp_name, dest->status_file_name);
 707          } else {
 708              fprintf(stderr, "%s: ERROR: An error has occurred writing %s, "
 709                      "retaining old %s\n", __FUNCTION__,
 710                      dest->status_file_tmp_name, dest->status_file_name);
 711          }
 712          status_file = NULL;
 713      }
 714      return 0;
 715 }
 716
 717
 718 char *root_filename_alloc(opkg_conf_t *conf, char *filename)
 719 {
 720      char *root_filename;
 721      sprintf_alloc(&root_filename, "%s%s", (conf->offline_root ? conf->offline_root : ""), filename);
 722      return root_filename;
 723 }