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 "opkg_defines.h"
  29 #include "libbb/libbb.h"
  30
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33 #include <fcntl.h>
  34 #include <errno.h>
  35 #include <glob.h>
  36
  37 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
  38                                 pkg_src_list_t *pkg_src_list,
  39                                 nv_pair_list_t *tmp_dest_nv_pair_list);
  40 static int opkg_conf_set_option(const opkg_option_t *options,
  41                                 const char *name, const char *value);
  42 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
  43                                       const char *default_dest_name);
  44 static int set_and_load_pkg_src_list(opkg_conf_t *conf,
  45                                      pkg_src_list_t *nv_pair_list);
  46 static int set_and_load_pkg_dest_list(opkg_conf_t *conf,
  47                                       nv_pair_list_t *nv_pair_list);
  48
  49 void opkg_init_options_array(const opkg_conf_t *conf, opkg_option_t **options)
  50 {
  51      opkg_option_t tmp[] = {
  52           { "cache", OPKG_OPT_TYPE_STRING, &conf->cache},
  53           { "force_defaults", OPKG_OPT_TYPE_BOOL, &conf->force_defaults },
  54           { "force_maintainer", OPKG_OPT_TYPE_BOOL, &conf->force_maintainer },
  55           { "force_depends", OPKG_OPT_TYPE_BOOL, &conf->force_depends },
  56           { "force_overwrite", OPKG_OPT_TYPE_BOOL, &conf->force_overwrite },
  57           { "force_downgrade", OPKG_OPT_TYPE_BOOL, &conf->force_downgrade },
  58           { "force_reinstall", OPKG_OPT_TYPE_BOOL, &conf->force_reinstall },
  59           { "force_space", OPKG_OPT_TYPE_BOOL, &conf->force_space },
  60           { "check_signature", OPKG_OPT_TYPE_INT, &conf->check_signature },
  61           { "ftp_proxy", OPKG_OPT_TYPE_STRING, &conf->ftp_proxy },
  62           { "http_proxy", OPKG_OPT_TYPE_STRING, &conf->http_proxy },
  63           { "no_proxy", OPKG_OPT_TYPE_STRING, &conf->no_proxy },
  64           { "test", OPKG_OPT_TYPE_INT, &conf->noaction },
  65           { "noaction", OPKG_OPT_TYPE_INT, &conf->noaction },
  66           { "nodeps", OPKG_OPT_TYPE_BOOL, &conf->nodeps },
  67           { "offline_root", OPKG_OPT_TYPE_STRING, &conf->offline_root },
  68           { "offline_root_path", OPKG_OPT_TYPE_STRING, &conf->offline_root_path },
  69           { "offline_root_post_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_post_script_cmd },
  70           { "offline_root_pre_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_pre_script_cmd },
  71           { "proxy_passwd", OPKG_OPT_TYPE_STRING, &conf->proxy_passwd },
  72           { "proxy_user", OPKG_OPT_TYPE_STRING, &conf->proxy_user },
  73           { "query-all", OPKG_OPT_TYPE_BOOL, &conf->query_all },
  74           { "tmp_dir", OPKG_OPT_TYPE_STRING, &conf->tmp_dir },
  75           { "verbosity", OPKG_OPT_TYPE_BOOL, &conf->verbosity },
  76 #if defined(HAVE_OPENSSL)
  77           { "signature_ca_file", OPKG_OPT_TYPE_STRING, &conf->signature_ca_file },
  78           { "signature_ca_path", OPKG_OPT_TYPE_STRING, &conf->signature_ca_path },
  79 #endif
  80 #if defined(HAVE_PATHFINDER)
  81           { "check_x509_path", OPKG_OPT_TYPE_INT, &conf->check_x509_path },
  82 #endif
  83 #if defined(HAVE_SSLCURL) && defined(HAVE_CURL)
  84           { "ssl_engine", OPKG_OPT_TYPE_STRING, &conf->ssl_engine },
  85           { "ssl_cert", OPKG_OPT_TYPE_STRING, &conf->ssl_cert },
  86           { "ssl_cert_type", OPKG_OPT_TYPE_STRING, &conf->ssl_cert_type },
  87           { "ssl_key", OPKG_OPT_TYPE_STRING, &conf->ssl_key },
  88           { "ssl_key_type", OPKG_OPT_TYPE_STRING, &conf->ssl_key_type },
  89           { "ssl_key_passwd", OPKG_OPT_TYPE_STRING, &conf->ssl_key_passwd },
  90           { "ssl_ca_file", OPKG_OPT_TYPE_STRING, &conf->ssl_ca_file },
  91           { "ssl_ca_path", OPKG_OPT_TYPE_STRING, &conf->ssl_ca_path },
  92           { "ssl_dont_verify_peer", OPKG_OPT_TYPE_BOOL, &conf->ssl_dont_verify_peer },
  93 #endif
  94           { NULL }
  95      };
  96
  97      *options = xcalloc(1, sizeof(tmp));
  98      memcpy(*options, tmp, sizeof(tmp));
  99 };
 100
 101 static void opkg_conf_override_string(char **conf_str, char *arg_str)
 102 {
 103      if (arg_str) {
 104           if (*conf_str) {
 105                free(*conf_str);
 106           }
 107           *conf_str = xstrdup(arg_str);
 108      }
 109 }
 110
 111 static void opkg_conf_free_string(char **conf_str)
 112 {
 113      if (*conf_str) {
 114           free(*conf_str);
 115           *conf_str = NULL;
 116      }
 117 }
 118
 119 int opkg_conf_init(opkg_conf_t *conf, const args_t *args)
 120 {
 121      int err;
 122      int errno_copy;
 123      char *tmp_dir_base, *tmp2;
 124      nv_pair_list_t tmp_dest_nv_pair_list;
 125      char *lock_file = NULL;
 126      glob_t globbuf;
 127      char *etc_opkg_conf_pattern;
 128      char *offline_root = NULL;
 129
 130      memset(conf, 0, sizeof(opkg_conf_t));
 131
 132 #if defined(HAVE_PATHFINDER)
 133      conf->check_x509_path = 1;
 134 #endif
 135
 136      pkg_src_list_init(&conf->pkg_src_list);
 137
 138      nv_pair_list_init(&tmp_dest_nv_pair_list);
 139      pkg_dest_list_init(&conf->pkg_dest_list);
 140
 141      nv_pair_list_init(&conf->arch_list);
 142
 143      conf->restrict_to_default_dest = 0;
 144      conf->default_dest = NULL;
 145
 146      if (args->conf_file) {
 147           struct stat stat_buf;
 148           err = stat(args->conf_file, &stat_buf);
 149           if (err == 0)
 150                if (opkg_conf_parse_file(conf, args->conf_file,
 151                                     &conf->pkg_src_list, &tmp_dest_nv_pair_list)<0) {
 152                    /* Memory leakage from opkg_conf_parse-file */
 153                    return OPKG_CONF_ERR_PARSE;
 154                }
 155      }
 156
 157      opkg_conf_override_string(&conf->offline_root, args->offline_root);
 158      offline_root = conf->offline_root;
 159
 160      if (conf->offline_root)
 161           sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf", conf->offline_root);
 162      else {
 163           char *conf_file_dir = getenv("OPKG_CONF_DIR");
 164           if (conf_file_dir == NULL)
 165                   conf_file_dir = ARGS_DEFAULT_CONF_FILE_DIR;
 166           sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf", conf_file_dir);
 167      }
 168      memset(&globbuf, 0, sizeof(globbuf));
 169      err = glob(etc_opkg_conf_pattern, 0, NULL, &globbuf);
 170      free (etc_opkg_conf_pattern);
 171      if (!err) {
 172           int i;
 173           for (i = 0; i < globbuf.gl_pathc; i++) {
 174                if (globbuf.gl_pathv[i])
 175                     if (args->conf_file &&
 176                                 !strcmp(args->conf_file, globbuf.gl_pathv[i]))
 177                             continue;
 178                     if ( opkg_conf_parse_file(conf, globbuf.gl_pathv[i],
 179                                          &conf->pkg_src_list, &tmp_dest_nv_pair_list)<0) {
 180                         /* Memory leakage from opkg_conf_parse-file */
 181                         return OPKG_CONF_ERR_PARSE;
 182                     }
 183                     if (offline_root != conf->offline_root) {
 184                         opkg_message(conf, OPKG_ERROR,
 185                                         "Config file %s, within an offline "
 186                                         "root contains option offline_root.\n",
 187                                        globbuf.gl_pathv[i]);
 188                         return OPKG_CONF_ERR_PARSE;
 189                     }
 190           }
 191      }
 192      globfree(&globbuf);
 193
 194      opkg_conf_override_string(&conf->offline_root_path,
 195                                args->offline_root_path);
 196      opkg_conf_override_string(&conf->offline_root_pre_script_cmd,
 197                                args->offline_root_pre_script_cmd);
 198      opkg_conf_override_string(&conf->offline_root_post_script_cmd,
 199                                args->offline_root_post_script_cmd);
 200
 201      opkg_conf_override_string(&conf->cache, args->cache);
 202      opkg_conf_override_string(&conf->tmp_dir, args->tmp_dir);
 203
 204      /* check for lock file */
 205      if (conf->offline_root)
 206        sprintf_alloc (&lock_file, "%s/%s/lock", conf->offline_root, OPKG_STATE_DIR_PREFIX);
 207      else
 208        sprintf_alloc (&lock_file, "%s/lock", OPKG_STATE_DIR_PREFIX);
 209
 210      err = conf->lock_fd = creat (lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
 211      if (err != -1)
 212        err = lockf (conf->lock_fd, F_TLOCK, 0);
 213      errno_copy = errno;
 214
 215      if (err) {
 216        opkg_message (conf, OPKG_ERROR, "Could not lock %s: %s\n",
 217                  lock_file, strerror(errno_copy));
 218        free(lock_file);
 219        return OPKG_CONF_ERR_LOCK;
 220      }
 221      free(lock_file);
 222
 223      if (conf->tmp_dir)
 224           tmp_dir_base = conf->tmp_dir;
 225      else
 226           tmp_dir_base = getenv("TMPDIR");
 227      sprintf_alloc(&tmp2, "%s/%s",
 228                    tmp_dir_base ? tmp_dir_base : OPKG_CONF_DEFAULT_TMP_DIR_BASE,
 229                    OPKG_CONF_TMP_DIR_SUFFIX);
 230      if (conf->tmp_dir)
 231              free(conf->tmp_dir);
 232      conf->tmp_dir = mkdtemp(tmp2);
 233      if (conf->tmp_dir == NULL) {
 234           opkg_message(conf, OPKG_ERROR,
 235                           "%s: Creating temp dir %s failed: %s\n",
 236                           __FUNCTION__, tmp2, strerror(errno));
 237           return OPKG_CONF_ERR_TMP_DIR;
 238      }
 239
 240      pkg_hash_init("pkg-hash", &conf->pkg_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 241      hash_table_init("file-hash", &conf->file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 242      hash_table_init("obs-file-hash", &conf->obs_file_hash, OPKG_CONF_DEFAULT_HASH_LEN/16);
 243
 244      if (conf->lists_dir == NULL)
 245         conf->lists_dir = xstrdup(OPKG_CONF_LISTS_DIR);
 246
 247      if (conf->offline_root) {
 248             char *tmp;
 249             sprintf_alloc(&tmp, "%s/%s", conf->offline_root, conf->lists_dir);
 250             free(conf->lists_dir);
 251             conf->lists_dir = tmp;
 252      }
 253
 254      sprintf_alloc(&conf->pending_dir, "%s/pending", conf->lists_dir);
 255
 256      /* if no architectures were defined, then default all, noarch, and host architecture */
 257      if (nv_pair_list_empty(&conf->arch_list)) {
 258           nv_pair_list_append(&conf->arch_list, "all", "1");
 259           nv_pair_list_append(&conf->arch_list, "noarch", "1");
 260           nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 261      }
 262
 263      /* Even if there is no conf file, we'll need at least one dest. */
 264      if (nv_pair_list_empty(&tmp_dest_nv_pair_list)) {
 265           nv_pair_list_append(&tmp_dest_nv_pair_list,
 266                               OPKG_CONF_DEFAULT_DEST_NAME,
 267                               OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 268      }
 269
 270      /* After parsing the file, set options from command-line, (so that
 271         command-line arguments take precedence) */
 272      /* XXX: CLEANUP: The interaction between args.c and opkg_conf.c
 273         really needs to be cleaned up. There is so much duplication
 274         right now it is ridiculous. Maybe opkg_conf_t should just save
 275         a pointer to args_t (which could then not be freed), rather
 276         than duplicating every field here? */
 277      if (args->autoremove) {
 278           conf->autoremove = 1;
 279      }
 280      if (args->force_depends) {
 281           conf->force_depends = 1;
 282      }
 283      if (args->force_defaults) {
 284           conf->force_defaults = 1;
 285      }
 286      if (args->force_maintainer) {
 287           conf->force_maintainer = 1;
 288      }
 289      if (args->force_overwrite) {
 290           conf->force_overwrite = 1;
 291      }
 292      if (args->force_downgrade) {
 293           conf->force_downgrade = 1;
 294      }
 295      if (args->force_space) {
 296           conf->force_space = 1;
 297      }
 298      if (args->force_reinstall) {
 299           conf->force_reinstall = 1;
 300      }
 301      if (args->force_removal_of_dependent_packages) {
 302           conf->force_removal_of_dependent_packages = 1;
 303      }
 304      if (args->force_removal_of_essential_packages) {
 305           conf->force_removal_of_essential_packages = 1;
 306      }
 307      if (args->nodeps) {
 308           conf->nodeps = 1;
 309      }
 310      if (args->noaction) {
 311           conf->noaction = 1;
 312      }
 313      if (args->query_all) {
 314           conf->query_all = 1;
 315      }
 316      if (args->verbosity != conf->verbosity) {
 317           conf->verbosity = args->verbosity;
 318      }
 319
 320 /* Pigi: added a flag to disable the checking of structures if the command does not need to
 321          read anything from there.
 322 */
 323      if ( !(args->nocheckfordirorfile)){
 324         /* need to run load the source list before dest list -Jamey */
 325         if ( !(args->noreadfeedsfile))
 326            set_and_load_pkg_src_list(conf, &conf->pkg_src_list);
 327
 328         /* Now that we have resolved conf->offline_root, we can commit to
 329            the directory names for the dests and load in all the package
 330            lists. */
 331         set_and_load_pkg_dest_list(conf, &tmp_dest_nv_pair_list);
 332
 333         if (args->dest) {
 334              err = opkg_conf_set_default_dest(conf, args->dest);
 335              if (err) {
 336                   return OPKG_CONF_ERR_DEFAULT_DEST;
 337              }
 338         }
 339      }
 340      nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 341
 342      return 0;
 343 }
 344
 345 void opkg_conf_deinit(opkg_conf_t *conf)
 346 {
 347      rm_r(conf->tmp_dir);
 348
 349      free(conf->tmp_dir);
 350      free(conf->lists_dir);
 351      free(conf->pending_dir);
 352
 353      pkg_src_list_deinit(&conf->pkg_src_list);
 354      pkg_dest_list_deinit(&conf->pkg_dest_list);
 355      nv_pair_list_deinit(&conf->arch_list);
 356
 357      opkg_conf_free_string(&conf->cache);
 358
 359      opkg_conf_free_string(&conf->ftp_proxy);
 360      opkg_conf_free_string(&conf->http_proxy);
 361      opkg_conf_free_string(&conf->no_proxy);
 362
 363      opkg_conf_free_string(&conf->offline_root);
 364      opkg_conf_free_string(&conf->offline_root_path);
 365      opkg_conf_free_string(&conf->offline_root_pre_script_cmd);
 366      opkg_conf_free_string(&conf->offline_root_post_script_cmd);
 367
 368      opkg_conf_free_string(&conf->proxy_passwd);
 369      opkg_conf_free_string(&conf->proxy_user);
 370
 371 #if defined(HAVE_OPENSSL)
 372      opkg_conf_free_string(&conf->signature_ca_file);
 373      opkg_conf_free_string(&conf->signature_ca_path);
 374 #endif
 375
 376 #if defined(HAVE_SSLCURL)
 377      opkg_conf_free_string(&conf->ssl_engine);
 378      opkg_conf_free_string(&conf->ssl_cert);
 379      opkg_conf_free_string(&conf->ssl_cert_type);
 380      opkg_conf_free_string(&conf->ssl_key);
 381      opkg_conf_free_string(&conf->ssl_key_type);
 382      opkg_conf_free_string(&conf->ssl_key_passwd);
 383      opkg_conf_free_string(&conf->ssl_ca_file);
 384      opkg_conf_free_string(&conf->ssl_ca_path);
 385 #endif
 386
 387      if (conf->verbosity >= OPKG_DEBUG) {
 388         hash_print_stats(&conf->pkg_hash);
 389         hash_print_stats(&conf->file_hash);
 390         hash_print_stats(&conf->obs_file_hash);
 391      }
 392
 393      if (&conf->pkg_hash)
 394                     pkg_hash_deinit(&conf->pkg_hash);
 395      if (&conf->file_hash)
 396                     hash_table_deinit(&conf->file_hash);
 397      if (&conf->obs_file_hash)
 398                     hash_table_deinit(&conf->obs_file_hash);
 399
 400      /* lockf maybe defined with warn_unused_result */
 401      if(lockf(conf->lock_fd, F_ULOCK, 0) != 0){
 402               opkg_message(conf, OPKG_DEBUG, "%s: unlock failed: %s\n",
 403                               __FUNCTION__,
 404                               strerror(errno));
 405      }
 406      close(conf->lock_fd);
 407 }
 408
 409 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
 410                                       const char *default_dest_name)
 411 {
 412      pkg_dest_list_elt_t *iter;
 413      pkg_dest_t *dest;
 414
 415      for (iter = void_list_first(&conf->pkg_dest_list); iter; iter = void_list_next(&conf->pkg_dest_list, iter)) {
 416           dest = (pkg_dest_t *)iter->data;
 417           if (strcmp(dest->name, default_dest_name) == 0) {
 418                conf->default_dest = dest;
 419                conf->restrict_to_default_dest = 1;
 420                return 0;
 421           }
 422      }
 423
 424      fprintf(stderr, "ERROR: Unknown dest name: `%s'\n", default_dest_name);
 425
 426      return 1;
 427 }
 428
 429 static int set_and_load_pkg_src_list(opkg_conf_t *conf, pkg_src_list_t *pkg_src_list)
 430 {
 431      pkg_src_list_elt_t *iter;
 432      pkg_src_t *src;
 433      char *list_file;
 434
 435      for (iter = void_list_first(pkg_src_list); iter; iter = void_list_next(pkg_src_list, iter)) {
 436           src = (pkg_src_t *)iter->data;
 437           if (src == NULL) {
 438                continue;
 439           }
 440
 441           sprintf_alloc(&list_file, "%s/%s",
 442                           conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir,
 443                           src->name);
 444
 445           if (file_exists(list_file)) {
 446                pkg_hash_add_from_file(conf, list_file, src, NULL, 0);
 447           }
 448           free(list_file);
 449      }
 450
 451      return 0;
 452 }
 453
 454 static int set_and_load_pkg_dest_list(opkg_conf_t *conf, nv_pair_list_t *nv_pair_list)
 455 {
 456      nv_pair_list_elt_t *iter;
 457      nv_pair_t *nv_pair;
 458      pkg_dest_t *dest;
 459      char *root_dir;
 460
 461      for (iter = nv_pair_list_first(nv_pair_list); iter; iter = nv_pair_list_next(nv_pair_list, iter)) {
 462           nv_pair = (nv_pair_t *)iter->data;
 463
 464           if (conf->offline_root) {
 465                sprintf_alloc(&root_dir, "%s%s", conf->offline_root, nv_pair->value);
 466           } else {
 467                root_dir = xstrdup(nv_pair->value);
 468           }
 469           dest = pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name, root_dir, conf->lists_dir);
 470           free(root_dir);
 471           if (dest == NULL) {
 472                continue;
 473           }
 474           if (conf->default_dest == NULL) {
 475                conf->default_dest = dest;
 476           }
 477           if (file_exists(dest->status_file_name)) {
 478                pkg_hash_add_from_file(conf, dest->status_file_name,
 479                                       NULL, dest, 1);
 480           }
 481      }
 482
 483      return 0;
 484 }
 485
 486 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
 487                                 pkg_src_list_t *pkg_src_list,
 488                                 nv_pair_list_t *tmp_dest_nv_pair_list)
 489 {
 490      int err;
 491      opkg_option_t * options;
 492      FILE *file;
 493      regex_t valid_line_re, comment_re;
 494 #define regmatch_size 12
 495      regmatch_t regmatch[regmatch_size];
 496
 497      opkg_init_options_array(conf, &options);
 498
 499      file = fopen(filename, "r");
 500      if (file == NULL) {
 501           fprintf(stderr, "%s: failed to open %s: %s\n",
 502                   __FUNCTION__, filename, strerror(errno));
 503           free(options);
 504           return -1;
 505      }
 506      opkg_message(conf, OPKG_NOTICE, "loading conf file %s\n", filename);
 507
 508      err = xregcomp(&comment_re,
 509                     "^[[:space:]]*(#.*|[[:space:]]*)$",
 510                     REG_EXTENDED);
 511      if (err) {
 512           free(options);
 513           return -1;
 514      }
 515      err = xregcomp(&valid_line_re, "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))([[:space:]]+([^[:space:]]+))?[[:space:]]*$", REG_EXTENDED);
 516      if (err) {
 517           free(options);
 518           return -1;
 519      }
 520
 521      while(1) {
 522           int line_num = 0;
 523           char *line;
 524           char *type, *name, *value, *extra;
 525
 526           line = file_read_line_alloc(file);
 527           line_num++;
 528           if (line == NULL) {
 529                break;
 530           }
 531
 532           str_chomp(line);
 533
 534           if (regexec(&comment_re, line, 0, 0, 0) == 0) {
 535                goto NEXT_LINE;
 536           }
 537
 538           if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) == REG_NOMATCH) {
 539                str_chomp(line);
 540                fprintf(stderr, "%s:%d: Ignoring invalid line: `%s'\n",
 541                        filename, line_num, line);
 542                goto NEXT_LINE;
 543           }
 544
 545           /* This has to be so ugly to deal with optional quotation marks */
 546           if (regmatch[2].rm_so > 0) {
 547                type = xstrndup(line + regmatch[2].rm_so,
 548                               regmatch[2].rm_eo - regmatch[2].rm_so);
 549           } else {
 550                type = xstrndup(line + regmatch[3].rm_so,
 551                               regmatch[3].rm_eo - regmatch[3].rm_so);
 552           }
 553           if (regmatch[5].rm_so > 0) {
 554                name = xstrndup(line + regmatch[5].rm_so,
 555                               regmatch[5].rm_eo - regmatch[5].rm_so);
 556           } else {
 557                name = xstrndup(line + regmatch[6].rm_so,
 558                               regmatch[6].rm_eo - regmatch[6].rm_so);
 559           }
 560           if (regmatch[8].rm_so > 0) {
 561                value = xstrndup(line + regmatch[8].rm_so,
 562                                regmatch[8].rm_eo - regmatch[8].rm_so);
 563           } else {
 564                value = xstrndup(line + regmatch[9].rm_so,
 565                                regmatch[9].rm_eo - regmatch[9].rm_so);
 566           }
 567           extra = NULL;
 568           if (regmatch[11].rm_so > 0) {
 569                extra = xstrndup (line + regmatch[11].rm_so,
 570                                 regmatch[11].rm_eo - regmatch[11].rm_so);
 571           }
 572
 573           /* We use the tmp_dest_nv_pair_list below instead of
 574              conf->pkg_dest_list because we might encounter an
 575              offline_root option later and that would invalidate the
 576              directories we would have computed in
 577              pkg_dest_list_init. (We do a similar thing with
 578              tmp_src_nv_pair_list for sake of symmetry.) */
 579           if (strcmp(type, "option") == 0) {
 580                opkg_conf_set_option(options, name, value);
 581           } else if (strcmp(type, "src") == 0) {
 582                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 583                     pkg_src_list_append (pkg_src_list, name, value, extra, 0);
 584                } else {
 585                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 586                                  name, value);
 587                }
 588           } else if (strcmp(type, "src/gz") == 0) {
 589                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 590                     pkg_src_list_append (pkg_src_list, name, value, extra, 1);
 591                } else {
 592                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 593                                  name, value);
 594                }
 595           } else if (strcmp(type, "dest") == 0) {
 596                nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
 597           } else if (strcmp(type, "lists_dir") == 0) {
 598                conf->lists_dir = xstrdup(value);
 599           } else if (strcmp(type, "arch") == 0) {
 600                opkg_message(conf, OPKG_INFO, "supported arch %s priority (%s)\n", name, value);
 601                if (!value) {
 602                     opkg_message(conf, OPKG_NOTICE, "defaulting architecture %s priority to 10\n", name);
 603                     value = xstrdup("10");
 604                }
 605                nv_pair_list_append(&conf->arch_list, name, value);
 606           } else {
 607                fprintf(stderr, "WARNING: Ignoring unknown configuration "
 608                        "parameter: %s %s %s\n", type, name, value);
 609                free(options);
 610                return -1;
 611           }
 612
 613           free(type);
 614           free(name);
 615           free(value);
 616           if (extra)
 617                free (extra);
 618
 619      NEXT_LINE:
 620           free(line);
 621      }
 622
 623      free(options);
 624      regfree(&comment_re);
 625      regfree(&valid_line_re);
 626      fclose(file);
 627
 628      return 0;
 629 }
 630
 631 static int opkg_conf_set_option(const opkg_option_t *options,
 632                                 const char *name, const char *value)
 633 {
 634      int i = 0;
 635      while (options[i].name) {
 636           if (strcmp(options[i].name, name) == 0) {
 637                switch (options[i].type) {
 638                case OPKG_OPT_TYPE_BOOL:
 639                     *((int *)options[i].value) = 1;
 640                     return 0;
 641                case OPKG_OPT_TYPE_INT:
 642                     if (value) {
 643                          *((int *)options[i].value) = atoi(value);
 644                          return 0;
 645                     } else {
 646                          printf("%s: Option %s need an argument\n",
 647                                 __FUNCTION__, name);
 648                          return EINVAL;
 649                     }
 650                case OPKG_OPT_TYPE_STRING:
 651                     if (value) {
 652                          *((char **)options[i].value) = xstrdup(value);
 653                          return 0;
 654                     } else {
 655                          printf("%s: Option %s need an argument\n",
 656                                 __FUNCTION__, name);
 657                          return EINVAL;
 658                     }
 659                }
 660           }
 661           i++;
 662      }
 663
 664      fprintf(stderr, "%s: Unrecognized option: %s=%s\n",
 665              __FUNCTION__, name, value);
 666      return EINVAL;
 667 }
 668
 669 int opkg_conf_write_status_files(opkg_conf_t *conf)
 670 {
 671      pkg_dest_list_elt_t *iter;
 672      pkg_dest_t *dest;
 673      pkg_vec_t *all;
 674      pkg_t *pkg;
 675      int i, ret = 0;
 676
 677      if (conf->noaction)
 678           return 0;
 679
 680      list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 681           dest = (pkg_dest_t *)iter->data;
 682
 683           dest->status_fp = fopen(dest->status_file_name, "w");
 684           if (dest->status_fp == NULL) {
 685                fprintf(stderr, "%s: Can't open status file: %s: %s\n",
 686                     __FUNCTION__, dest->status_file_name, strerror(errno));
 687                ret = -1;
 688           }
 689      }
 690
 691      all = pkg_vec_alloc();
 692      pkg_hash_fetch_available(&conf->pkg_hash, all);
 693
 694      for(i = 0; i < all->len; i++) {
 695           pkg = all->pkgs[i];
 696           /* We don't need most uninstalled packages in the status file */
 697           if (pkg->state_status == SS_NOT_INSTALLED
 698               && (pkg->state_want == SW_UNKNOWN
 699                   || pkg->state_want == SW_DEINSTALL
 700                   || pkg->state_want == SW_PURGE)) {
 701                continue;
 702           }
 703           if (pkg->dest == NULL) {
 704                fprintf(stderr, "%s: ERROR: Can't write status for "
 705                        "package %s since it has a NULL dest\n",
 706                        __FUNCTION__, pkg->name);
 707                continue;
 708           }
 709           if (pkg->dest->status_fp)
 710                pkg_print_status(pkg, pkg->dest->status_fp);
 711      }
 712
 713      pkg_vec_free(all);
 714
 715      list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 716           dest = (pkg_dest_t *)iter->data;
 717           fclose(dest->status_fp);
 718      }
 719
 720      return ret;
 721 }
 722
 723
 724 char *root_filename_alloc(opkg_conf_t *conf, char *filename)
 725 {
 726      char *root_filename;
 727      sprintf_alloc(&root_filename, "%s%s", (conf->offline_root ? conf->offline_root : ""), filename);
 728      return root_filename;
 729 }