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      /* if no architectures were defined, then default all, noarch, and host architecture */
 255      if (nv_pair_list_empty(&conf->arch_list)) {
 256           nv_pair_list_append(&conf->arch_list, "all", "1");
 257           nv_pair_list_append(&conf->arch_list, "noarch", "1");
 258           nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 259      }
 260
 261      /* Even if there is no conf file, we'll need at least one dest. */
 262      if (nv_pair_list_empty(&tmp_dest_nv_pair_list)) {
 263           nv_pair_list_append(&tmp_dest_nv_pair_list,
 264                               OPKG_CONF_DEFAULT_DEST_NAME,
 265                               OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 266      }
 267
 268      /* After parsing the file, set options from command-line, (so that
 269         command-line arguments take precedence) */
 270      /* XXX: CLEANUP: The interaction between args.c and opkg_conf.c
 271         really needs to be cleaned up. There is so much duplication
 272         right now it is ridiculous. Maybe opkg_conf_t should just save
 273         a pointer to args_t (which could then not be freed), rather
 274         than duplicating every field here? */
 275      if (args->autoremove) {
 276           conf->autoremove = 1;
 277      }
 278      if (args->force_depends) {
 279           conf->force_depends = 1;
 280      }
 281      if (args->force_defaults) {
 282           conf->force_defaults = 1;
 283      }
 284      if (args->force_maintainer) {
 285           conf->force_maintainer = 1;
 286      }
 287      if (args->force_overwrite) {
 288           conf->force_overwrite = 1;
 289      }
 290      if (args->force_downgrade) {
 291           conf->force_downgrade = 1;
 292      }
 293      if (args->force_space) {
 294           conf->force_space = 1;
 295      }
 296      if (args->force_reinstall) {
 297           conf->force_reinstall = 1;
 298      }
 299      if (args->force_removal_of_dependent_packages) {
 300           conf->force_removal_of_dependent_packages = 1;
 301      }
 302      if (args->force_removal_of_essential_packages) {
 303           conf->force_removal_of_essential_packages = 1;
 304      }
 305      if (args->nodeps) {
 306           conf->nodeps = 1;
 307      }
 308      if (args->noaction) {
 309           conf->noaction = 1;
 310      }
 311      if (args->query_all) {
 312           conf->query_all = 1;
 313      }
 314      if (args->verbosity != conf->verbosity) {
 315           conf->verbosity = args->verbosity;
 316      }
 317
 318 /* Pigi: added a flag to disable the checking of structures if the command does not need to
 319          read anything from there.
 320 */
 321      if (!(args->nocheckfordirorfile)) {
 322
 323         if (!(args->noreadfeedsfile)) {
 324            if (set_and_load_pkg_src_list(conf, &conf->pkg_src_list)) {
 325                nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 326                return -1;
 327            }
 328         }
 329
 330         /* Now that we have resolved conf->offline_root, we can commit to
 331            the directory names for the dests and load in all the package
 332            lists. */
 333         if (set_and_load_pkg_dest_list(conf, &tmp_dest_nv_pair_list)) {
 334                nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 335                return -1;
 336         }
 337
 338         if (args->dest) {
 339              err = opkg_conf_set_default_dest(conf, args->dest);
 340              if (err) {
 341                   nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 342                   return OPKG_CONF_ERR_DEFAULT_DEST;
 343              }
 344         }
 345      }
 346      nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 347
 348      return 0;
 349 }
 350
 351 void opkg_conf_deinit(opkg_conf_t *conf)
 352 {
 353      rm_r(conf->tmp_dir);
 354
 355      free(conf->tmp_dir);
 356      free(conf->lists_dir);
 357
 358      pkg_src_list_deinit(&conf->pkg_src_list);
 359      pkg_dest_list_deinit(&conf->pkg_dest_list);
 360      nv_pair_list_deinit(&conf->arch_list);
 361
 362      opkg_conf_free_string(&conf->cache);
 363
 364      opkg_conf_free_string(&conf->ftp_proxy);
 365      opkg_conf_free_string(&conf->http_proxy);
 366      opkg_conf_free_string(&conf->no_proxy);
 367
 368      opkg_conf_free_string(&conf->offline_root);
 369      opkg_conf_free_string(&conf->offline_root_path);
 370      opkg_conf_free_string(&conf->offline_root_pre_script_cmd);
 371      opkg_conf_free_string(&conf->offline_root_post_script_cmd);
 372
 373      opkg_conf_free_string(&conf->proxy_passwd);
 374      opkg_conf_free_string(&conf->proxy_user);
 375
 376 #if defined(HAVE_OPENSSL)
 377      opkg_conf_free_string(&conf->signature_ca_file);
 378      opkg_conf_free_string(&conf->signature_ca_path);
 379 #endif
 380
 381 #if defined(HAVE_SSLCURL)
 382      opkg_conf_free_string(&conf->ssl_engine);
 383      opkg_conf_free_string(&conf->ssl_cert);
 384      opkg_conf_free_string(&conf->ssl_cert_type);
 385      opkg_conf_free_string(&conf->ssl_key);
 386      opkg_conf_free_string(&conf->ssl_key_type);
 387      opkg_conf_free_string(&conf->ssl_key_passwd);
 388      opkg_conf_free_string(&conf->ssl_ca_file);
 389      opkg_conf_free_string(&conf->ssl_ca_path);
 390 #endif
 391
 392      if (conf->verbosity >= OPKG_DEBUG) {
 393         hash_print_stats(&conf->pkg_hash);
 394         hash_print_stats(&conf->file_hash);
 395         hash_print_stats(&conf->obs_file_hash);
 396      }
 397
 398      if (&conf->pkg_hash)
 399                     pkg_hash_deinit(&conf->pkg_hash);
 400      if (&conf->file_hash)
 401                     hash_table_deinit(&conf->file_hash);
 402      if (&conf->obs_file_hash)
 403                     hash_table_deinit(&conf->obs_file_hash);
 404
 405      /* lockf maybe defined with warn_unused_result */
 406      if(lockf(conf->lock_fd, F_ULOCK, 0) != 0){
 407               opkg_message(conf, OPKG_DEBUG, "%s: unlock failed: %s\n",
 408                               __FUNCTION__,
 409                               strerror(errno));
 410      }
 411      close(conf->lock_fd);
 412 }
 413
 414 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
 415                                       const char *default_dest_name)
 416 {
 417      pkg_dest_list_elt_t *iter;
 418      pkg_dest_t *dest;
 419
 420      for (iter = void_list_first(&conf->pkg_dest_list); iter; iter = void_list_next(&conf->pkg_dest_list, iter)) {
 421           dest = (pkg_dest_t *)iter->data;
 422           if (strcmp(dest->name, default_dest_name) == 0) {
 423                conf->default_dest = dest;
 424                conf->restrict_to_default_dest = 1;
 425                return 0;
 426           }
 427      }
 428
 429      fprintf(stderr, "ERROR: Unknown dest name: `%s'\n", default_dest_name);
 430
 431      return 1;
 432 }
 433
 434 static int
 435 set_and_load_pkg_src_list(opkg_conf_t *conf, pkg_src_list_t *pkg_src_list)
 436 {
 437      pkg_src_list_elt_t *iter;
 438      pkg_src_t *src;
 439      char *list_file;
 440
 441      for (iter = void_list_first(pkg_src_list); iter; iter = void_list_next(pkg_src_list, iter)) {
 442           src = (pkg_src_t *)iter->data;
 443           if (src == NULL) {
 444                continue;
 445           }
 446
 447           sprintf_alloc(&list_file, "%s/%s",
 448                           conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir,
 449                           src->name);
 450
 451           if (file_exists(list_file)) {
 452                if (pkg_hash_add_from_file(conf, list_file, src, NULL, 0)) {
 453                     free(list_file);
 454                     return -1;
 455                }
 456           }
 457           free(list_file);
 458      }
 459
 460      return 0;
 461 }
 462
 463 static int
 464 set_and_load_pkg_dest_list(opkg_conf_t *conf, nv_pair_list_t *nv_pair_list)
 465 {
 466      nv_pair_list_elt_t *iter;
 467      nv_pair_t *nv_pair;
 468      pkg_dest_t *dest;
 469      char *root_dir;
 470
 471      for (iter = nv_pair_list_first(nv_pair_list); iter; iter = nv_pair_list_next(nv_pair_list, iter)) {
 472           nv_pair = (nv_pair_t *)iter->data;
 473
 474           if (conf->offline_root) {
 475                sprintf_alloc(&root_dir, "%s%s", conf->offline_root, nv_pair->value);
 476           } else {
 477                root_dir = xstrdup(nv_pair->value);
 478           }
 479           dest = pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name, root_dir, conf->lists_dir);
 480           free(root_dir);
 481           if (dest == NULL) {
 482                continue;
 483           }
 484           if (conf->default_dest == NULL) {
 485                conf->default_dest = dest;
 486           }
 487           if (file_exists(dest->status_file_name)) {
 488                if (pkg_hash_add_from_file(conf, dest->status_file_name,
 489                                       NULL, dest, 1))
 490                        return -1;
 491           }
 492      }
 493
 494      return 0;
 495 }
 496
 497 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
 498                                 pkg_src_list_t *pkg_src_list,
 499                                 nv_pair_list_t *tmp_dest_nv_pair_list)
 500 {
 501      int err;
 502      opkg_option_t * options;
 503      FILE *file;
 504      regex_t valid_line_re, comment_re;
 505 #define regmatch_size 12
 506      regmatch_t regmatch[regmatch_size];
 507
 508      opkg_init_options_array(conf, &options);
 509
 510      file = fopen(filename, "r");
 511      if (file == NULL) {
 512           fprintf(stderr, "%s: failed to open %s: %s\n",
 513                   __FUNCTION__, filename, strerror(errno));
 514           free(options);
 515           return -1;
 516      }
 517      opkg_message(conf, OPKG_NOTICE, "loading conf file %s\n", filename);
 518
 519      err = xregcomp(&comment_re,
 520                     "^[[:space:]]*(#.*|[[:space:]]*)$",
 521                     REG_EXTENDED);
 522      if (err) {
 523           free(options);
 524           return -1;
 525      }
 526      err = xregcomp(&valid_line_re, "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))([[:space:]]+([^[:space:]]+))?[[:space:]]*$", REG_EXTENDED);
 527      if (err) {
 528           free(options);
 529           return -1;
 530      }
 531
 532      while(1) {
 533           int line_num = 0;
 534           char *line;
 535           char *type, *name, *value, *extra;
 536
 537           line = file_read_line_alloc(file);
 538           line_num++;
 539           if (line == NULL) {
 540                break;
 541           }
 542
 543           str_chomp(line);
 544
 545           if (regexec(&comment_re, line, 0, 0, 0) == 0) {
 546                goto NEXT_LINE;
 547           }
 548
 549           if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) == REG_NOMATCH) {
 550                str_chomp(line);
 551                fprintf(stderr, "%s:%d: Ignoring invalid line: `%s'\n",
 552                        filename, line_num, line);
 553                goto NEXT_LINE;
 554           }
 555
 556           /* This has to be so ugly to deal with optional quotation marks */
 557           if (regmatch[2].rm_so > 0) {
 558                type = xstrndup(line + regmatch[2].rm_so,
 559                               regmatch[2].rm_eo - regmatch[2].rm_so);
 560           } else {
 561                type = xstrndup(line + regmatch[3].rm_so,
 562                               regmatch[3].rm_eo - regmatch[3].rm_so);
 563           }
 564           if (regmatch[5].rm_so > 0) {
 565                name = xstrndup(line + regmatch[5].rm_so,
 566                               regmatch[5].rm_eo - regmatch[5].rm_so);
 567           } else {
 568                name = xstrndup(line + regmatch[6].rm_so,
 569                               regmatch[6].rm_eo - regmatch[6].rm_so);
 570           }
 571           if (regmatch[8].rm_so > 0) {
 572                value = xstrndup(line + regmatch[8].rm_so,
 573                                regmatch[8].rm_eo - regmatch[8].rm_so);
 574           } else {
 575                value = xstrndup(line + regmatch[9].rm_so,
 576                                regmatch[9].rm_eo - regmatch[9].rm_so);
 577           }
 578           extra = NULL;
 579           if (regmatch[11].rm_so > 0) {
 580                extra = xstrndup (line + regmatch[11].rm_so,
 581                                 regmatch[11].rm_eo - regmatch[11].rm_so);
 582           }
 583
 584           /* We use the tmp_dest_nv_pair_list below instead of
 585              conf->pkg_dest_list because we might encounter an
 586              offline_root option later and that would invalidate the
 587              directories we would have computed in
 588              pkg_dest_list_init. (We do a similar thing with
 589              tmp_src_nv_pair_list for sake of symmetry.) */
 590           if (strcmp(type, "option") == 0) {
 591                opkg_conf_set_option(options, name, value);
 592           } else if (strcmp(type, "src") == 0) {
 593                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 594                     pkg_src_list_append (pkg_src_list, name, value, extra, 0);
 595                } else {
 596                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 597                                  name, value);
 598                }
 599           } else if (strcmp(type, "src/gz") == 0) {
 600                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 601                     pkg_src_list_append (pkg_src_list, name, value, extra, 1);
 602                } else {
 603                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 604                                  name, value);
 605                }
 606           } else if (strcmp(type, "dest") == 0) {
 607                nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
 608           } else if (strcmp(type, "lists_dir") == 0) {
 609                conf->lists_dir = xstrdup(value);
 610           } else if (strcmp(type, "arch") == 0) {
 611                opkg_message(conf, OPKG_INFO, "supported arch %s priority (%s)\n", name, value);
 612                if (!value) {
 613                     opkg_message(conf, OPKG_NOTICE, "defaulting architecture %s priority to 10\n", name);
 614                     value = xstrdup("10");
 615                }
 616                nv_pair_list_append(&conf->arch_list, name, value);
 617           } else {
 618                fprintf(stderr, "WARNING: Ignoring unknown configuration "
 619                        "parameter: %s %s %s\n", type, name, value);
 620                free(options);
 621                return -1;
 622           }
 623
 624           free(type);
 625           free(name);
 626           free(value);
 627           if (extra)
 628                free (extra);
 629
 630      NEXT_LINE:
 631           free(line);
 632      }
 633
 634      free(options);
 635      regfree(&comment_re);
 636      regfree(&valid_line_re);
 637      fclose(file);
 638
 639      return 0;
 640 }
 641
 642 static int opkg_conf_set_option(const opkg_option_t *options,
 643                                 const char *name, const char *value)
 644 {
 645      int i = 0;
 646      while (options[i].name) {
 647           if (strcmp(options[i].name, name) == 0) {
 648                switch (options[i].type) {
 649                case OPKG_OPT_TYPE_BOOL:
 650                     *((int *)options[i].value) = 1;
 651                     return 0;
 652                case OPKG_OPT_TYPE_INT:
 653                     if (value) {
 654                          *((int *)options[i].value) = atoi(value);
 655                          return 0;
 656                     } else {
 657                          printf("%s: Option %s need an argument\n",
 658                                 __FUNCTION__, name);
 659                          return EINVAL;
 660                     }
 661                case OPKG_OPT_TYPE_STRING:
 662                     if (value) {
 663                          *((char **)options[i].value) = xstrdup(value);
 664                          return 0;
 665                     } else {
 666                          printf("%s: Option %s need an argument\n",
 667                                 __FUNCTION__, name);
 668                          return EINVAL;
 669                     }
 670                }
 671           }
 672           i++;
 673      }
 674
 675      fprintf(stderr, "%s: Unrecognized option: %s=%s\n",
 676              __FUNCTION__, name, value);
 677      return EINVAL;
 678 }
 679
 680 int opkg_conf_write_status_files(opkg_conf_t *conf)
 681 {
 682      pkg_dest_list_elt_t *iter;
 683      pkg_dest_t *dest;
 684      pkg_vec_t *all;
 685      pkg_t *pkg;
 686      int i, ret = 0;
 687
 688      if (conf->noaction)
 689           return 0;
 690
 691      list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 692           dest = (pkg_dest_t *)iter->data;
 693
 694           dest->status_fp = fopen(dest->status_file_name, "w");
 695           if (dest->status_fp == NULL) {
 696                fprintf(stderr, "%s: Can't open status file: %s: %s\n",
 697                     __FUNCTION__, dest->status_file_name, strerror(errno));
 698                ret = -1;
 699           }
 700      }
 701
 702      all = pkg_vec_alloc();
 703      pkg_hash_fetch_available(&conf->pkg_hash, all);
 704
 705      for(i = 0; i < all->len; i++) {
 706           pkg = all->pkgs[i];
 707           /* We don't need most uninstalled packages in the status file */
 708           if (pkg->state_status == SS_NOT_INSTALLED
 709               && (pkg->state_want == SW_UNKNOWN
 710                   || pkg->state_want == SW_DEINSTALL
 711                   || pkg->state_want == SW_PURGE)) {
 712                continue;
 713           }
 714           if (pkg->dest == NULL) {
 715                fprintf(stderr, "%s: ERROR: Can't write status for "
 716                        "package %s since it has a NULL dest\n",
 717                        __FUNCTION__, pkg->name);
 718                continue;
 719           }
 720           if (pkg->dest->status_fp)
 721                pkg_print_status(pkg, pkg->dest->status_fp);
 722      }
 723
 724      pkg_vec_free(all);
 725
 726      list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 727           dest = (pkg_dest_t *)iter->data;
 728           fclose(dest->status_fp);
 729      }
 730
 731      return ret;
 732 }
 733
 734
 735 char *root_filename_alloc(opkg_conf_t *conf, char *filename)
 736 {
 737      char *root_filename;
 738      sprintf_alloc(&root_filename, "%s%s", (conf->offline_root ? conf->offline_root : ""), filename);
 739      return root_filename;
 740 }