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 "opkg_defines.h"
  28 #include "libbb/libbb.h"
  29
  30 #include <sys/types.h>
  31 #include <sys/stat.h>
  32 #include <fcntl.h>
  33 #include <errno.h>
  34 #include <glob.h>
  35
  36 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
  37                                 pkg_src_list_t *pkg_src_list,
  38                                 nv_pair_list_t *tmp_dest_nv_pair_list);
  39 static int opkg_conf_set_option(const opkg_option_t *options,
  40                                 const char *name, const char *value);
  41 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
  42                                       const char *default_dest_name);
  43 static int set_and_load_pkg_src_list(opkg_conf_t *conf,
  44                                      pkg_src_list_t *nv_pair_list);
  45 static int set_and_load_pkg_dest_list(opkg_conf_t *conf,
  46                                       nv_pair_list_t *nv_pair_list);
  47
  48 void opkg_init_options_array(const opkg_conf_t *conf, opkg_option_t **options)
  49 {
  50      opkg_option_t tmp[] = {
  51           { "cache", OPKG_OPT_TYPE_STRING, &conf->cache},
  52           { "force_defaults", OPKG_OPT_TYPE_BOOL, &conf->force_defaults },
  53           { "force_maintainer", OPKG_OPT_TYPE_BOOL, &conf->force_maintainer },
  54           { "force_depends", OPKG_OPT_TYPE_BOOL, &conf->force_depends },
  55           { "force_overwrite", OPKG_OPT_TYPE_BOOL, &conf->force_overwrite },
  56           { "force_downgrade", OPKG_OPT_TYPE_BOOL, &conf->force_downgrade },
  57           { "force_reinstall", OPKG_OPT_TYPE_BOOL, &conf->force_reinstall },
  58           { "force_space", OPKG_OPT_TYPE_BOOL, &conf->force_space },
  59           { "check_signature", OPKG_OPT_TYPE_INT, &conf->check_signature },
  60           { "ftp_proxy", OPKG_OPT_TYPE_STRING, &conf->ftp_proxy },
  61           { "http_proxy", OPKG_OPT_TYPE_STRING, &conf->http_proxy },
  62           { "no_proxy", OPKG_OPT_TYPE_STRING, &conf->no_proxy },
  63           { "test", OPKG_OPT_TYPE_INT, &conf->noaction },
  64           { "noaction", OPKG_OPT_TYPE_INT, &conf->noaction },
  65           { "nodeps", OPKG_OPT_TYPE_BOOL, &conf->nodeps },
  66           { "offline_root", OPKG_OPT_TYPE_STRING, &conf->offline_root },
  67           { "offline_root_path", OPKG_OPT_TYPE_STRING, &conf->offline_root_path },
  68           { "offline_root_post_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_post_script_cmd },
  69           { "offline_root_pre_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_pre_script_cmd },
  70           { "proxy_passwd", OPKG_OPT_TYPE_STRING, &conf->proxy_passwd },
  71           { "proxy_user", OPKG_OPT_TYPE_STRING, &conf->proxy_user },
  72           { "query-all", OPKG_OPT_TYPE_BOOL, &conf->query_all },
  73           { "tmp_dir", OPKG_OPT_TYPE_STRING, &conf->tmp_dir },
  74           { "verbosity", OPKG_OPT_TYPE_BOOL, &conf->verbosity },
  75 #if defined(HAVE_OPENSSL)
  76           { "signature_ca_file", OPKG_OPT_TYPE_STRING, &conf->signature_ca_file },
  77           { "signature_ca_path", OPKG_OPT_TYPE_STRING, &conf->signature_ca_path },
  78 #endif
  79 #if defined(HAVE_PATHFINDER)
  80           { "check_x509_path", OPKG_OPT_TYPE_INT, &conf->check_x509_path },
  81 #endif
  82 #if defined(HAVE_SSLCURL) && defined(HAVE_CURL)
  83           { "ssl_engine", OPKG_OPT_TYPE_STRING, &conf->ssl_engine },
  84           { "ssl_cert", OPKG_OPT_TYPE_STRING, &conf->ssl_cert },
  85           { "ssl_cert_type", OPKG_OPT_TYPE_STRING, &conf->ssl_cert_type },
  86           { "ssl_key", OPKG_OPT_TYPE_STRING, &conf->ssl_key },
  87           { "ssl_key_type", OPKG_OPT_TYPE_STRING, &conf->ssl_key_type },
  88           { "ssl_key_passwd", OPKG_OPT_TYPE_STRING, &conf->ssl_key_passwd },
  89           { "ssl_ca_file", OPKG_OPT_TYPE_STRING, &conf->ssl_ca_file },
  90           { "ssl_ca_path", OPKG_OPT_TYPE_STRING, &conf->ssl_ca_path },
  91           { "ssl_dont_verify_peer", OPKG_OPT_TYPE_BOOL, &conf->ssl_dont_verify_peer },
  92 #endif
  93           { NULL }
  94      };
  95
  96      *options = xcalloc(1, sizeof(tmp));
  97      memcpy(*options, tmp, sizeof(tmp));
  98 };
  99
 100 static void opkg_conf_override_string(char **conf_str, char *arg_str)
 101 {
 102      if (arg_str) {
 103           if (*conf_str) {
 104                free(*conf_str);
 105           }
 106           *conf_str = xstrdup(arg_str);
 107      }
 108 }
 109
 110 static void opkg_conf_free_string(char **conf_str)
 111 {
 112      if (*conf_str) {
 113           free(*conf_str);
 114           *conf_str = NULL;
 115      }
 116 }
 117
 118 int opkg_conf_init(opkg_conf_t *conf, const args_t *args)
 119 {
 120      int err;
 121      int errno_copy;
 122      char *tmp_dir_base, *tmp2;
 123      nv_pair_list_t tmp_dest_nv_pair_list;
 124      char *lock_file = NULL;
 125      glob_t globbuf;
 126      char *etc_opkg_conf_pattern;
 127      char *offline_root = NULL;
 128
 129      memset(conf, 0, sizeof(opkg_conf_t));
 130
 131 #if defined(HAVE_PATHFINDER)
 132      conf->check_x509_path = 1;
 133 #endif
 134
 135      pkg_src_list_init(&conf->pkg_src_list);
 136
 137      nv_pair_list_init(&tmp_dest_nv_pair_list);
 138      pkg_dest_list_init(&conf->pkg_dest_list);
 139
 140      nv_pair_list_init(&conf->arch_list);
 141
 142      conf->restrict_to_default_dest = 0;
 143      conf->default_dest = NULL;
 144
 145      if (args->conf_file) {
 146           struct stat stat_buf;
 147           err = stat(args->conf_file, &stat_buf);
 148           if (err == 0)
 149                if (opkg_conf_parse_file(conf, args->conf_file,
 150                                     &conf->pkg_src_list, &tmp_dest_nv_pair_list)<0) {
 151                    /* Memory leakage from opkg_conf_parse-file */
 152                    return -1;
 153                }
 154      }
 155
 156      opkg_conf_override_string(&conf->offline_root, args->offline_root);
 157      offline_root = conf->offline_root;
 158
 159      if (conf->offline_root)
 160           sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf", conf->offline_root);
 161      else {
 162           char *conf_file_dir = getenv("OPKG_CONF_DIR");
 163           if (conf_file_dir == NULL)
 164                   conf_file_dir = ARGS_DEFAULT_CONF_FILE_DIR;
 165           sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf", conf_file_dir);
 166      }
 167      memset(&globbuf, 0, sizeof(globbuf));
 168      err = glob(etc_opkg_conf_pattern, 0, NULL, &globbuf);
 169      free (etc_opkg_conf_pattern);
 170      if (!err) {
 171           int i;
 172           for (i = 0; i < globbuf.gl_pathc; i++) {
 173                if (globbuf.gl_pathv[i])
 174                     if (args->conf_file &&
 175                                 !strcmp(args->conf_file, globbuf.gl_pathv[i]))
 176                             continue;
 177                     if ( opkg_conf_parse_file(conf, globbuf.gl_pathv[i],
 178                                          &conf->pkg_src_list, &tmp_dest_nv_pair_list)<0) {
 179                         /* Memory leakage from opkg_conf_parse-file */
 180                         return -1;
 181                     }
 182                     if (offline_root != conf->offline_root) {
 183                         opkg_message(conf, OPKG_ERROR,
 184                                         "Config file %s, within an offline "
 185                                         "root contains option offline_root.\n",
 186                                        globbuf.gl_pathv[i]);
 187                         return -1;
 188                     }
 189           }
 190      }
 191      globfree(&globbuf);
 192
 193      opkg_conf_override_string(&conf->offline_root_path,
 194                                args->offline_root_path);
 195      opkg_conf_override_string(&conf->offline_root_pre_script_cmd,
 196                                args->offline_root_pre_script_cmd);
 197      opkg_conf_override_string(&conf->offline_root_post_script_cmd,
 198                                args->offline_root_post_script_cmd);
 199
 200      opkg_conf_override_string(&conf->cache, args->cache);
 201      opkg_conf_override_string(&conf->tmp_dir, args->tmp_dir);
 202
 203      /* check for lock file */
 204      if (conf->offline_root)
 205        sprintf_alloc (&lock_file, "%s/%s/lock", conf->offline_root, OPKG_STATE_DIR_PREFIX);
 206      else
 207        sprintf_alloc (&lock_file, "%s/lock", OPKG_STATE_DIR_PREFIX);
 208
 209      err = conf->lock_fd = creat (lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
 210      if (err != -1)
 211        err = lockf (conf->lock_fd, F_TLOCK, 0);
 212      errno_copy = errno;
 213
 214      if (err) {
 215        opkg_message (conf, OPKG_ERROR, "Could not lock %s: %s\n",
 216                  lock_file, strerror(errno_copy));
 217        free(lock_file);
 218        return -1;
 219      }
 220      free(lock_file);
 221
 222      if (conf->tmp_dir)
 223           tmp_dir_base = conf->tmp_dir;
 224      else
 225           tmp_dir_base = getenv("TMPDIR");
 226      sprintf_alloc(&tmp2, "%s/%s",
 227                    tmp_dir_base ? tmp_dir_base : OPKG_CONF_DEFAULT_TMP_DIR_BASE,
 228                    OPKG_CONF_TMP_DIR_SUFFIX);
 229      if (conf->tmp_dir)
 230              free(conf->tmp_dir);
 231      conf->tmp_dir = mkdtemp(tmp2);
 232      if (conf->tmp_dir == NULL) {
 233           opkg_message(conf, OPKG_ERROR,
 234                           "%s: Creating temp dir %s failed: %s\n",
 235                           __FUNCTION__, tmp2, strerror(errno));
 236           return -1;
 237      }
 238
 239      pkg_hash_init("pkg-hash", &conf->pkg_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 240      hash_table_init("file-hash", &conf->file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 241      hash_table_init("obs-file-hash", &conf->obs_file_hash, OPKG_CONF_DEFAULT_HASH_LEN/16);
 242
 243      if (conf->lists_dir == NULL)
 244         conf->lists_dir = xstrdup(OPKG_CONF_LISTS_DIR);
 245
 246      if (conf->offline_root) {
 247             char *tmp;
 248             sprintf_alloc(&tmp, "%s/%s", conf->offline_root, conf->lists_dir);
 249             free(conf->lists_dir);
 250             conf->lists_dir = tmp;
 251      }
 252
 253      /* if no architectures were defined, then default all, noarch, and host architecture */
 254      if (nv_pair_list_empty(&conf->arch_list)) {
 255           nv_pair_list_append(&conf->arch_list, "all", "1");
 256           nv_pair_list_append(&conf->arch_list, "noarch", "1");
 257           nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 258      }
 259
 260      /* Even if there is no conf file, we'll need at least one dest. */
 261      if (nv_pair_list_empty(&tmp_dest_nv_pair_list)) {
 262           nv_pair_list_append(&tmp_dest_nv_pair_list,
 263                               OPKG_CONF_DEFAULT_DEST_NAME,
 264                               OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 265      }
 266
 267      /* After parsing the file, set options from command-line, (so that
 268         command-line arguments take precedence) */
 269      /* XXX: CLEANUP: The interaction between args.c and opkg_conf.c
 270         really needs to be cleaned up. There is so much duplication
 271         right now it is ridiculous. Maybe opkg_conf_t should just save
 272         a pointer to args_t (which could then not be freed), rather
 273         than duplicating every field here? */
 274      if (args->autoremove) {
 275           conf->autoremove = 1;
 276      }
 277      if (args->force_depends) {
 278           conf->force_depends = 1;
 279      }
 280      if (args->force_defaults) {
 281           conf->force_defaults = 1;
 282      }
 283      if (args->force_maintainer) {
 284           conf->force_maintainer = 1;
 285      }
 286      if (args->force_overwrite) {
 287           conf->force_overwrite = 1;
 288      }
 289      if (args->force_downgrade) {
 290           conf->force_downgrade = 1;
 291      }
 292      if (args->force_space) {
 293           conf->force_space = 1;
 294      }
 295      if (args->force_reinstall) {
 296           conf->force_reinstall = 1;
 297      }
 298      if (args->force_removal_of_dependent_packages) {
 299           conf->force_removal_of_dependent_packages = 1;
 300      }
 301      if (args->force_removal_of_essential_packages) {
 302           conf->force_removal_of_essential_packages = 1;
 303      }
 304      if (args->nodeps) {
 305           conf->nodeps = 1;
 306      }
 307      if (args->noaction) {
 308           conf->noaction = 1;
 309      }
 310      if (args->query_all) {
 311           conf->query_all = 1;
 312      }
 313      if (args->verbosity != conf->verbosity) {
 314           conf->verbosity = args->verbosity;
 315      }
 316
 317 /* Pigi: added a flag to disable the checking of structures if the command does not need to
 318          read anything from there.
 319 */
 320      if (!(args->nocheckfordirorfile)) {
 321
 322         if (!(args->noreadfeedsfile)) {
 323            if (set_and_load_pkg_src_list(conf, &conf->pkg_src_list)) {
 324                nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 325                return -1;
 326            }
 327         }
 328
 329         /* Now that we have resolved conf->offline_root, we can commit to
 330            the directory names for the dests and load in all the package
 331            lists. */
 332         if (set_and_load_pkg_dest_list(conf, &tmp_dest_nv_pair_list)) {
 333                nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 334                return -1;
 335         }
 336
 337         if (args->dest) {
 338              err = opkg_conf_set_default_dest(conf, args->dest);
 339              if (err) {
 340                   nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 341                   return -1;
 342              }
 343         }
 344      }
 345      nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 346
 347      return 0;
 348 }
 349
 350 void opkg_conf_deinit(opkg_conf_t *conf)
 351 {
 352      rm_r(conf->tmp_dir);
 353
 354      free(conf->tmp_dir);
 355      free(conf->lists_dir);
 356
 357      pkg_src_list_deinit(&conf->pkg_src_list);
 358      pkg_dest_list_deinit(&conf->pkg_dest_list);
 359      nv_pair_list_deinit(&conf->arch_list);
 360
 361      opkg_conf_free_string(&conf->cache);
 362
 363      opkg_conf_free_string(&conf->ftp_proxy);
 364      opkg_conf_free_string(&conf->http_proxy);
 365      opkg_conf_free_string(&conf->no_proxy);
 366
 367      opkg_conf_free_string(&conf->offline_root);
 368      opkg_conf_free_string(&conf->offline_root_path);
 369      opkg_conf_free_string(&conf->offline_root_pre_script_cmd);
 370      opkg_conf_free_string(&conf->offline_root_post_script_cmd);
 371
 372      opkg_conf_free_string(&conf->proxy_passwd);
 373      opkg_conf_free_string(&conf->proxy_user);
 374
 375 #if defined(HAVE_OPENSSL)
 376      opkg_conf_free_string(&conf->signature_ca_file);
 377      opkg_conf_free_string(&conf->signature_ca_path);
 378 #endif
 379
 380 #if defined(HAVE_SSLCURL)
 381      opkg_conf_free_string(&conf->ssl_engine);
 382      opkg_conf_free_string(&conf->ssl_cert);
 383      opkg_conf_free_string(&conf->ssl_cert_type);
 384      opkg_conf_free_string(&conf->ssl_key);
 385      opkg_conf_free_string(&conf->ssl_key_type);
 386      opkg_conf_free_string(&conf->ssl_key_passwd);
 387      opkg_conf_free_string(&conf->ssl_ca_file);
 388      opkg_conf_free_string(&conf->ssl_ca_path);
 389 #endif
 390
 391      if (conf->verbosity >= OPKG_DEBUG) {
 392         hash_print_stats(&conf->pkg_hash);
 393         hash_print_stats(&conf->file_hash);
 394         hash_print_stats(&conf->obs_file_hash);
 395      }
 396
 397      if (&conf->pkg_hash)
 398                     pkg_hash_deinit(&conf->pkg_hash);
 399      if (&conf->file_hash)
 400                     hash_table_deinit(&conf->file_hash);
 401      if (&conf->obs_file_hash)
 402                     hash_table_deinit(&conf->obs_file_hash);
 403
 404      /* lockf maybe defined with warn_unused_result */
 405      if(lockf(conf->lock_fd, F_ULOCK, 0) != 0){
 406               opkg_message(conf, OPKG_DEBUG, "%s: unlock failed: %s\n",
 407                               __FUNCTION__,
 408                               strerror(errno));
 409      }
 410      close(conf->lock_fd);
 411 }
 412
 413 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
 414                                       const char *default_dest_name)
 415 {
 416      pkg_dest_list_elt_t *iter;
 417      pkg_dest_t *dest;
 418
 419      for (iter = void_list_first(&conf->pkg_dest_list); iter; iter = void_list_next(&conf->pkg_dest_list, iter)) {
 420           dest = (pkg_dest_t *)iter->data;
 421           if (strcmp(dest->name, default_dest_name) == 0) {
 422                conf->default_dest = dest;
 423                conf->restrict_to_default_dest = 1;
 424                return 0;
 425           }
 426      }
 427
 428      fprintf(stderr, "ERROR: Unknown dest name: `%s'\n", default_dest_name);
 429
 430      return 1;
 431 }
 432
 433 static int
 434 set_and_load_pkg_src_list(opkg_conf_t *conf, pkg_src_list_t *pkg_src_list)
 435 {
 436      pkg_src_list_elt_t *iter;
 437      pkg_src_t *src;
 438      char *list_file;
 439
 440      for (iter = void_list_first(pkg_src_list); iter; iter = void_list_next(pkg_src_list, iter)) {
 441           src = (pkg_src_t *)iter->data;
 442           if (src == NULL) {
 443                continue;
 444           }
 445
 446           sprintf_alloc(&list_file, "%s/%s",
 447                           conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir,
 448                           src->name);
 449
 450           if (file_exists(list_file)) {
 451                if (pkg_hash_add_from_file(conf, list_file, src, NULL, 0)) {
 452                     free(list_file);
 453                     return -1;
 454                }
 455           }
 456           free(list_file);
 457      }
 458
 459      return 0;
 460 }
 461
 462 static int
 463 set_and_load_pkg_dest_list(opkg_conf_t *conf, nv_pair_list_t *nv_pair_list)
 464 {
 465      nv_pair_list_elt_t *iter;
 466      nv_pair_t *nv_pair;
 467      pkg_dest_t *dest;
 468      char *root_dir;
 469
 470      for (iter = nv_pair_list_first(nv_pair_list); iter; iter = nv_pair_list_next(nv_pair_list, iter)) {
 471           nv_pair = (nv_pair_t *)iter->data;
 472
 473           if (conf->offline_root) {
 474                sprintf_alloc(&root_dir, "%s%s", conf->offline_root, nv_pair->value);
 475           } else {
 476                root_dir = xstrdup(nv_pair->value);
 477           }
 478           dest = pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name, root_dir, conf->lists_dir);
 479           free(root_dir);
 480           if (dest == NULL) {
 481                continue;
 482           }
 483           if (conf->default_dest == NULL) {
 484                conf->default_dest = dest;
 485           }
 486           if (file_exists(dest->status_file_name)) {
 487                if (pkg_hash_add_from_file(conf, dest->status_file_name,
 488                                       NULL, dest, 1))
 489                        return -1;
 490           }
 491      }
 492
 493      return 0;
 494 }
 495
 496 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
 497                                 pkg_src_list_t *pkg_src_list,
 498                                 nv_pair_list_t *tmp_dest_nv_pair_list)
 499 {
 500      int err;
 501      opkg_option_t * options;
 502      FILE *file;
 503      regex_t valid_line_re, comment_re;
 504 #define regmatch_size 12
 505      regmatch_t regmatch[regmatch_size];
 506
 507      opkg_init_options_array(conf, &options);
 508
 509      file = fopen(filename, "r");
 510      if (file == NULL) {
 511           fprintf(stderr, "%s: failed to open %s: %s\n",
 512                   __FUNCTION__, filename, strerror(errno));
 513           free(options);
 514           return -1;
 515      }
 516      opkg_message(conf, OPKG_NOTICE, "loading conf file %s\n", filename);
 517
 518      err = xregcomp(&comment_re,
 519                     "^[[:space:]]*(#.*|[[:space:]]*)$",
 520                     REG_EXTENDED);
 521      if (err) {
 522           free(options);
 523           return -1;
 524      }
 525      err = xregcomp(&valid_line_re, "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))([[:space:]]+([^[:space:]]+))?[[:space:]]*$", REG_EXTENDED);
 526      if (err) {
 527           free(options);
 528           return -1;
 529      }
 530
 531      while(1) {
 532           int line_num = 0;
 533           char *line;
 534           char *type, *name, *value, *extra;
 535
 536           line = file_read_line_alloc(file);
 537           line_num++;
 538           if (line == NULL) {
 539                break;
 540           }
 541
 542           if (regexec(&comment_re, line, 0, 0, 0) == 0) {
 543                goto NEXT_LINE;
 544           }
 545
 546           if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) == REG_NOMATCH) {
 547                fprintf(stderr, "%s:%d: Ignoring invalid line: `%s'\n",
 548                        filename, line_num, line);
 549                goto NEXT_LINE;
 550           }
 551
 552           /* This has to be so ugly to deal with optional quotation marks */
 553           if (regmatch[2].rm_so > 0) {
 554                type = xstrndup(line + regmatch[2].rm_so,
 555                               regmatch[2].rm_eo - regmatch[2].rm_so);
 556           } else {
 557                type = xstrndup(line + regmatch[3].rm_so,
 558                               regmatch[3].rm_eo - regmatch[3].rm_so);
 559           }
 560           if (regmatch[5].rm_so > 0) {
 561                name = xstrndup(line + regmatch[5].rm_so,
 562                               regmatch[5].rm_eo - regmatch[5].rm_so);
 563           } else {
 564                name = xstrndup(line + regmatch[6].rm_so,
 565                               regmatch[6].rm_eo - regmatch[6].rm_so);
 566           }
 567           if (regmatch[8].rm_so > 0) {
 568                value = xstrndup(line + regmatch[8].rm_so,
 569                                regmatch[8].rm_eo - regmatch[8].rm_so);
 570           } else {
 571                value = xstrndup(line + regmatch[9].rm_so,
 572                                regmatch[9].rm_eo - regmatch[9].rm_so);
 573           }
 574           extra = NULL;
 575           if (regmatch[11].rm_so > 0) {
 576                extra = xstrndup (line + regmatch[11].rm_so,
 577                                 regmatch[11].rm_eo - regmatch[11].rm_so);
 578           }
 579
 580           /* We use the tmp_dest_nv_pair_list below instead of
 581              conf->pkg_dest_list because we might encounter an
 582              offline_root option later and that would invalidate the
 583              directories we would have computed in
 584              pkg_dest_list_init. (We do a similar thing with
 585              tmp_src_nv_pair_list for sake of symmetry.) */
 586           if (strcmp(type, "option") == 0) {
 587                opkg_conf_set_option(options, name, value);
 588           } else if (strcmp(type, "src") == 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, 0);
 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, "src/gz") == 0) {
 596                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 597                     pkg_src_list_append (pkg_src_list, name, value, extra, 1);
 598                } else {
 599                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 600                                  name, value);
 601                }
 602           } else if (strcmp(type, "dest") == 0) {
 603                nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
 604           } else if (strcmp(type, "lists_dir") == 0) {
 605                conf->lists_dir = xstrdup(value);
 606           } else if (strcmp(type, "arch") == 0) {
 607                opkg_message(conf, OPKG_INFO, "supported arch %s priority (%s)\n", name, value);
 608                if (!value) {
 609                     opkg_message(conf, OPKG_NOTICE, "defaulting architecture %s priority to 10\n", name);
 610                     value = xstrdup("10");
 611                }
 612                nv_pair_list_append(&conf->arch_list, name, value);
 613           } else {
 614                fprintf(stderr, "WARNING: Ignoring unknown configuration "
 615                        "parameter: %s %s %s\n", type, name, value);
 616                free(options);
 617                return -1;
 618           }
 619
 620           free(type);
 621           free(name);
 622           free(value);
 623           if (extra)
 624                free (extra);
 625
 626      NEXT_LINE:
 627           free(line);
 628      }
 629
 630      free(options);
 631      regfree(&comment_re);
 632      regfree(&valid_line_re);
 633      fclose(file);
 634
 635      return 0;
 636 }
 637
 638 static int opkg_conf_set_option(const opkg_option_t *options,
 639                                 const char *name, const char *value)
 640 {
 641      int i = 0;
 642      while (options[i].name) {
 643           if (strcmp(options[i].name, name) == 0) {
 644                switch (options[i].type) {
 645                case OPKG_OPT_TYPE_BOOL:
 646                     *((int *)options[i].value) = 1;
 647                     return 0;
 648                case OPKG_OPT_TYPE_INT:
 649                     if (value) {
 650                          *((int *)options[i].value) = atoi(value);
 651                          return 0;
 652                     } else {
 653                          printf("%s: Option %s need an argument\n",
 654                                 __FUNCTION__, name);
 655                          return EINVAL;
 656                     }
 657                case OPKG_OPT_TYPE_STRING:
 658                     if (value) {
 659                          *((char **)options[i].value) = xstrdup(value);
 660                          return 0;
 661                     } else {
 662                          printf("%s: Option %s need an argument\n",
 663                                 __FUNCTION__, name);
 664                          return EINVAL;
 665                     }
 666                }
 667           }
 668           i++;
 669      }
 670
 671      fprintf(stderr, "%s: Unrecognized option: %s=%s\n",
 672              __FUNCTION__, name, value);
 673      return EINVAL;
 674 }
 675
 676 int opkg_conf_write_status_files(opkg_conf_t *conf)
 677 {
 678      pkg_dest_list_elt_t *iter;
 679      pkg_dest_t *dest;
 680      pkg_vec_t *all;
 681      pkg_t *pkg;
 682      int i, ret = 0;
 683
 684      if (conf->noaction)
 685           return 0;
 686
 687      list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 688           dest = (pkg_dest_t *)iter->data;
 689
 690           dest->status_fp = fopen(dest->status_file_name, "w");
 691           if (dest->status_fp == NULL) {
 692                fprintf(stderr, "%s: Can't open status file: %s: %s\n",
 693                     __FUNCTION__, dest->status_file_name, strerror(errno));
 694                ret = -1;
 695           }
 696      }
 697
 698      all = pkg_vec_alloc();
 699      pkg_hash_fetch_available(&conf->pkg_hash, all);
 700
 701      for(i = 0; i < all->len; i++) {
 702           pkg = all->pkgs[i];
 703           /* We don't need most uninstalled packages in the status file */
 704           if (pkg->state_status == SS_NOT_INSTALLED
 705               && (pkg->state_want == SW_UNKNOWN
 706                   || pkg->state_want == SW_DEINSTALL
 707                   || pkg->state_want == SW_PURGE)) {
 708                continue;
 709           }
 710           if (pkg->dest == NULL) {
 711                fprintf(stderr, "%s: ERROR: Can't write status for "
 712                        "package %s since it has a NULL dest\n",
 713                        __FUNCTION__, pkg->name);
 714                continue;
 715           }
 716           if (pkg->dest->status_fp)
 717                pkg_print_status(pkg, pkg->dest->status_fp);
 718      }
 719
 720      pkg_vec_free(all);
 721
 722      list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 723           dest = (pkg_dest_t *)iter->data;
 724           fclose(dest->status_fp);
 725      }
 726
 727      return ret;
 728 }
 729
 730
 731 char *root_filename_alloc(opkg_conf_t *conf, char *filename)
 732 {
 733      char *root_filename;
 734      sprintf_alloc(&root_filename, "%s%s", (conf->offline_root ? conf->offline_root : ""), filename);
 735      return root_filename;
 736 }