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           { "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;
 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 OPKG_CONF_ERR_PARSE;
 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 OPKG_CONF_ERR_PARSE;
 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 OPKG_CONF_ERR_PARSE;
 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
 202      /* check for lock file */
 203      if (conf->offline_root)
 204        sprintf_alloc (&lock_file, "%s/%s/lock", conf->offline_root, OPKG_STATE_DIR_PREFIX);
 205      else
 206        sprintf_alloc (&lock_file, "%s/lock", OPKG_STATE_DIR_PREFIX);
 207
 208      err = conf->lock_fd = creat (lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
 209      if (err != -1)
 210        err = lockf (conf->lock_fd, F_TLOCK, 0);
 211      errno_copy = errno;
 212
 213      if (err) {
 214        opkg_message (conf, OPKG_ERROR, "Could not lock %s: %s\n",
 215                  lock_file, strerror(errno_copy));
 216        free(lock_file);
 217        return OPKG_CONF_ERR_LOCK;
 218      }
 219      free(lock_file);
 220
 221      if (args->tmp_dir)
 222           tmp_dir_base = args->tmp_dir;
 223      else
 224           tmp_dir_base = getenv("TMPDIR");
 225      sprintf_alloc(&conf->tmp_dir, "%s/%s",
 226                    tmp_dir_base ? tmp_dir_base : OPKG_CONF_DEFAULT_TMP_DIR_BASE,
 227                    OPKG_CONF_TMP_DIR_SUFFIX);
 228      conf->tmp_dir = mkdtemp(conf->tmp_dir);
 229      if (conf->tmp_dir == NULL) {
 230           opkg_message(conf, OPKG_ERROR,
 231                           "%s: Creating temp dir %s failed: %s\n",
 232                           conf->tmp_dir, strerror(errno));
 233           return OPKG_CONF_ERR_TMP_DIR;
 234      }
 235
 236      pkg_hash_init("pkg-hash", &conf->pkg_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 237      hash_table_init("file-hash", &conf->file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 238      hash_table_init("obs-file-hash", &conf->obs_file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 239
 240      if (conf->lists_dir == NULL)
 241         conf->lists_dir = xstrdup(OPKG_CONF_LISTS_DIR);
 242
 243      if (conf->offline_root) {
 244             char *tmp;
 245             sprintf_alloc(&tmp, "%s/%s", conf->offline_root, conf->lists_dir);
 246             free(conf->lists_dir);
 247             conf->lists_dir = tmp;
 248      }
 249
 250      sprintf_alloc(&conf->pending_dir, "%s/pending", conf->lists_dir);
 251
 252      /* if no architectures were defined, then default all, noarch, and host architecture */
 253      if (nv_pair_list_empty(&conf->arch_list)) {
 254           nv_pair_list_append(&conf->arch_list, "all", "1");
 255           nv_pair_list_append(&conf->arch_list, "noarch", "1");
 256           nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 257      }
 258
 259      /* Even if there is no conf file, we'll need at least one dest. */
 260      if (nv_pair_list_empty(&tmp_dest_nv_pair_list)) {
 261           nv_pair_list_append(&tmp_dest_nv_pair_list,
 262                               OPKG_CONF_DEFAULT_DEST_NAME,
 263                               OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 264      }
 265
 266      /* After parsing the file, set options from command-line, (so that
 267         command-line arguments take precedence) */
 268      /* XXX: CLEANUP: The interaction between args.c and opkg_conf.c
 269         really needs to be cleaned up. There is so much duplication
 270         right now it is ridiculous. Maybe opkg_conf_t should just save
 271         a pointer to args_t (which could then not be freed), rather
 272         than duplicating every field here? */
 273      if (args->autoremove) {
 274           conf->autoremove = 1;
 275      }
 276      if (args->force_depends) {
 277           conf->force_depends = 1;
 278      }
 279      if (args->force_defaults) {
 280           conf->force_defaults = 1;
 281      }
 282      if (args->force_maintainer) {
 283           conf->force_maintainer = 1;
 284      }
 285      if (args->force_overwrite) {
 286           conf->force_overwrite = 1;
 287      }
 288      if (args->force_downgrade) {
 289           conf->force_downgrade = 1;
 290      }
 291      if (args->force_space) {
 292           conf->force_space = 1;
 293      }
 294      if (args->force_reinstall) {
 295           conf->force_reinstall = 1;
 296      }
 297      if (args->force_removal_of_dependent_packages) {
 298           conf->force_removal_of_dependent_packages = 1;
 299      }
 300      if (args->force_removal_of_essential_packages) {
 301           conf->force_removal_of_essential_packages = 1;
 302      }
 303      if (args->nodeps) {
 304           conf->nodeps = 1;
 305      }
 306      if (args->noaction) {
 307           conf->noaction = 1;
 308      }
 309      if (args->query_all) {
 310           conf->query_all = 1;
 311      }
 312      if (args->verbosity != conf->verbosity) {
 313           conf->verbosity = args->verbosity;
 314      }
 315
 316 /* Pigi: added a flag to disable the checking of structures if the command does not need to
 317          read anything from there.
 318 */
 319      if ( !(args->nocheckfordirorfile)){
 320         /* need to run load the source list before dest list -Jamey */
 321         if ( !(args->noreadfeedsfile))
 322            set_and_load_pkg_src_list(conf, &conf->pkg_src_list);
 323
 324         /* Now that we have resolved conf->offline_root, we can commit to
 325            the directory names for the dests and load in all the package
 326            lists. */
 327         set_and_load_pkg_dest_list(conf, &tmp_dest_nv_pair_list);
 328
 329         if (args->dest) {
 330              err = opkg_conf_set_default_dest(conf, args->dest);
 331              if (err) {
 332                   return OPKG_CONF_ERR_DEFAULT_DEST;
 333              }
 334         }
 335      }
 336      nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 337
 338      return 0;
 339 }
 340
 341 void opkg_conf_deinit(opkg_conf_t *conf)
 342 {
 343      rm_r(conf->tmp_dir);
 344
 345      free(conf->tmp_dir);
 346      free(conf->lists_dir);
 347      free(conf->pending_dir);
 348
 349      pkg_src_list_deinit(&conf->pkg_src_list);
 350      pkg_dest_list_deinit(&conf->pkg_dest_list);
 351      nv_pair_list_deinit(&conf->arch_list);
 352
 353      opkg_conf_free_string(&conf->cache);
 354
 355      opkg_conf_free_string(&conf->ftp_proxy);
 356      opkg_conf_free_string(&conf->http_proxy);
 357      opkg_conf_free_string(&conf->no_proxy);
 358
 359      opkg_conf_free_string(&conf->offline_root);
 360      opkg_conf_free_string(&conf->offline_root_path);
 361      opkg_conf_free_string(&conf->offline_root_pre_script_cmd);
 362      opkg_conf_free_string(&conf->offline_root_post_script_cmd);
 363
 364      opkg_conf_free_string(&conf->proxy_passwd);
 365      opkg_conf_free_string(&conf->proxy_user);
 366
 367 #if defined(HAVE_OPENSSL)
 368      opkg_conf_free_string(&conf->signature_ca_file);
 369      opkg_conf_free_string(&conf->signature_ca_path);
 370 #endif
 371
 372 #if defined(HAVE_SSLCURL)
 373      opkg_conf_free_string(&conf->ssl_engine);
 374      opkg_conf_free_string(&conf->ssl_cert);
 375      opkg_conf_free_string(&conf->ssl_cert_type);
 376      opkg_conf_free_string(&conf->ssl_key);
 377      opkg_conf_free_string(&conf->ssl_key_type);
 378      opkg_conf_free_string(&conf->ssl_key_passwd);
 379      opkg_conf_free_string(&conf->ssl_ca_file);
 380      opkg_conf_free_string(&conf->ssl_ca_path);
 381 #endif
 382
 383      if (conf->verbosity >= OPKG_DEBUG) {
 384           int i;
 385           hash_table_t *hashes[] = {
 386                &conf->pkg_hash,
 387                &conf->file_hash,
 388                &conf->obs_file_hash };
 389           for (i = 0; i < 3; i++) {
 390                hash_table_t *hash = hashes[i];
 391                int c = 0;
 392                int n_conflicts = 0;
 393                int j;
 394                for (j = 0; j < hash->n_entries; j++) {
 395                     int len = 0;
 396                     hash_entry_t *e = &hash->entries[j];
 397                     if (e->next)
 398                          n_conflicts++;
 399                     while (e && e->key) {
 400                          len++;
 401                          e = e->next;
 402                     }
 403                     if (len > c)
 404                          c = len;
 405                }
 406                opkg_message(conf, OPKG_DEBUG, "hash_table[%s] n_buckets=%d n_elements=%d max_conflicts=%d n_conflicts=%d\n",
 407                             hash->name, hash->n_entries, hash->n_elements, c, n_conflicts);
 408           }
 409      }
 410
 411      if (&conf->pkg_hash)
 412                     pkg_hash_deinit(&conf->pkg_hash);
 413      if (&conf->file_hash)
 414                     hash_table_deinit(&conf->file_hash);
 415      if (&conf->obs_file_hash)
 416                     hash_table_deinit(&conf->obs_file_hash);
 417
 418      lockf(conf->lock_fd, F_ULOCK, 0);
 419      close(conf->lock_fd);
 420 }
 421
 422 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
 423                                       const char *default_dest_name)
 424 {
 425      pkg_dest_list_elt_t *iter;
 426      pkg_dest_t *dest;
 427
 428      for (iter = void_list_first(&conf->pkg_dest_list); iter; iter = void_list_next(&conf->pkg_dest_list, iter)) {
 429           dest = (pkg_dest_t *)iter->data;
 430           if (strcmp(dest->name, default_dest_name) == 0) {
 431                conf->default_dest = dest;
 432                conf->restrict_to_default_dest = 1;
 433                return 0;
 434           }
 435      }
 436
 437      fprintf(stderr, "ERROR: Unknown dest name: `%s'\n", default_dest_name);
 438
 439      return 1;
 440 }
 441
 442 static int set_and_load_pkg_src_list(opkg_conf_t *conf, pkg_src_list_t *pkg_src_list)
 443 {
 444      pkg_src_list_elt_t *iter;
 445      pkg_src_t *src;
 446      char *list_file;
 447
 448      for (iter = void_list_first(pkg_src_list); iter; iter = void_list_next(pkg_src_list, iter)) {
 449           src = (pkg_src_t *)iter->data;
 450           if (src == NULL) {
 451                continue;
 452           }
 453
 454           sprintf_alloc(&list_file, "%s/%s",
 455                           conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir,
 456                           src->name);
 457
 458           if (file_exists(list_file)) {
 459                pkg_hash_add_from_file(conf, list_file, src, NULL, 0);
 460           }
 461           free(list_file);
 462      }
 463
 464      return 0;
 465 }
 466
 467 static int set_and_load_pkg_dest_list(opkg_conf_t *conf, nv_pair_list_t *nv_pair_list)
 468 {
 469      nv_pair_list_elt_t *iter;
 470      nv_pair_t *nv_pair;
 471      pkg_dest_t *dest;
 472      char *root_dir;
 473
 474      for (iter = nv_pair_list_first(nv_pair_list); iter; iter = nv_pair_list_next(nv_pair_list, iter)) {
 475           nv_pair = (nv_pair_t *)iter->data;
 476
 477           if (conf->offline_root) {
 478                sprintf_alloc(&root_dir, "%s%s", conf->offline_root, nv_pair->value);
 479           } else {
 480                root_dir = xstrdup(nv_pair->value);
 481           }
 482           dest = pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name, root_dir, conf->lists_dir);
 483           free(root_dir);
 484           if (dest == NULL) {
 485                continue;
 486           }
 487           if (conf->default_dest == NULL) {
 488                conf->default_dest = dest;
 489           }
 490           if (file_exists(dest->status_file_name)) {
 491                pkg_hash_add_from_file(conf, dest->status_file_name,
 492                                       NULL, dest, 1);
 493           }
 494      }
 495
 496      return 0;
 497 }
 498
 499 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
 500                                 pkg_src_list_t *pkg_src_list,
 501                                 nv_pair_list_t *tmp_dest_nv_pair_list)
 502 {
 503      int err;
 504      opkg_option_t * options;
 505      FILE *file;
 506      regex_t valid_line_re, comment_re;
 507 #define regmatch_size 12
 508      regmatch_t regmatch[regmatch_size];
 509
 510      opkg_init_options_array(conf, &options);
 511
 512      file = fopen(filename, "r");
 513      if (file == NULL) {
 514           fprintf(stderr, "%s: failed to open %s: %s\n",
 515                   __FUNCTION__, filename, strerror(errno));
 516           free(options);
 517           return -1;
 518      }
 519      opkg_message(conf, OPKG_NOTICE, "loading conf file %s\n", filename);
 520
 521      err = xregcomp(&comment_re,
 522                     "^[[:space:]]*(#.*|[[:space:]]*)$",
 523                     REG_EXTENDED);
 524      if (err) {
 525           free(options);
 526           return -1;
 527      }
 528      err = xregcomp(&valid_line_re, "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))([[:space:]]+([^[:space:]]+))?[[:space:]]*$", REG_EXTENDED);
 529      if (err) {
 530           free(options);
 531           return -1;
 532      }
 533
 534      while(1) {
 535           int line_num = 0;
 536           char *line;
 537           char *type, *name, *value, *extra;
 538
 539           line = file_read_line_alloc(file);
 540           line_num++;
 541           if (line == NULL) {
 542                break;
 543           }
 544
 545           str_chomp(line);
 546
 547           if (regexec(&comment_re, line, 0, 0, 0) == 0) {
 548                goto NEXT_LINE;
 549           }
 550
 551           if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) == REG_NOMATCH) {
 552                str_chomp(line);
 553                fprintf(stderr, "%s:%d: Ignoring invalid line: `%s'\n",
 554                        filename, line_num, line);
 555                goto NEXT_LINE;
 556           }
 557
 558           /* This has to be so ugly to deal with optional quotation marks */
 559           if (regmatch[2].rm_so > 0) {
 560                type = xstrndup(line + regmatch[2].rm_so,
 561                               regmatch[2].rm_eo - regmatch[2].rm_so);
 562           } else {
 563                type = xstrndup(line + regmatch[3].rm_so,
 564                               regmatch[3].rm_eo - regmatch[3].rm_so);
 565           }
 566           if (regmatch[5].rm_so > 0) {
 567                name = xstrndup(line + regmatch[5].rm_so,
 568                               regmatch[5].rm_eo - regmatch[5].rm_so);
 569           } else {
 570                name = xstrndup(line + regmatch[6].rm_so,
 571                               regmatch[6].rm_eo - regmatch[6].rm_so);
 572           }
 573           if (regmatch[8].rm_so > 0) {
 574                value = xstrndup(line + regmatch[8].rm_so,
 575                                regmatch[8].rm_eo - regmatch[8].rm_so);
 576           } else {
 577                value = xstrndup(line + regmatch[9].rm_so,
 578                                regmatch[9].rm_eo - regmatch[9].rm_so);
 579           }
 580           extra = NULL;
 581           if (regmatch[11].rm_so > 0) {
 582                extra = xstrndup (line + regmatch[11].rm_so,
 583                                 regmatch[11].rm_eo - regmatch[11].rm_so);
 584           }
 585
 586           /* We use the tmp_dest_nv_pair_list below instead of
 587              conf->pkg_dest_list because we might encounter an
 588              offline_root option later and that would invalidate the
 589              directories we would have computed in
 590              pkg_dest_list_init. (We do a similar thing with
 591              tmp_src_nv_pair_list for sake of symmetry.) */
 592           if (strcmp(type, "option") == 0) {
 593                opkg_conf_set_option(options, name, value);
 594           } else if (strcmp(type, "src") == 0) {
 595                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 596                     pkg_src_list_append (pkg_src_list, name, value, extra, 0);
 597                } else {
 598                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 599                                  name, value);
 600                }
 601           } else if (strcmp(type, "src/gz") == 0) {
 602                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 603                     pkg_src_list_append (pkg_src_list, name, value, extra, 1);
 604                } else {
 605                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 606                                  name, value);
 607                }
 608           } else if (strcmp(type, "dest") == 0) {
 609                nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
 610           } else if (strcmp(type, "lists_dir") == 0) {
 611                conf->lists_dir = xstrdup(value);
 612           } else if (strcmp(type, "arch") == 0) {
 613                opkg_message(conf, OPKG_INFO, "supported arch %s priority (%s)\n", name, value);
 614                if (!value) {
 615                     opkg_message(conf, OPKG_NOTICE, "defaulting architecture %s priority to 10\n", name);
 616                     value = xstrdup("10");
 617                }
 618                nv_pair_list_append(&conf->arch_list, name, value);
 619           } else {
 620                fprintf(stderr, "WARNING: Ignoring unknown configuration "
 621                        "parameter: %s %s %s\n", type, name, value);
 622                free(options);
 623                return -1;
 624           }
 625
 626           free(type);
 627           free(name);
 628           free(value);
 629           if (extra)
 630                free (extra);
 631
 632      NEXT_LINE:
 633           free(line);
 634      }
 635
 636      free(options);
 637      regfree(&comment_re);
 638      regfree(&valid_line_re);
 639      fclose(file);
 640
 641      return 0;
 642 }
 643
 644 static int opkg_conf_set_option(const opkg_option_t *options,
 645                                 const char *name, const char *value)
 646 {
 647      int i = 0;
 648      while (options[i].name) {
 649           if (strcmp(options[i].name, name) == 0) {
 650                switch (options[i].type) {
 651                case OPKG_OPT_TYPE_BOOL:
 652                     *((int *)options[i].value) = 1;
 653                     return 0;
 654                case OPKG_OPT_TYPE_INT:
 655                     if (value) {
 656                          *((int *)options[i].value) = atoi(value);
 657                          return 0;
 658                     } else {
 659                          printf("%s: Option %s need an argument\n",
 660                                 __FUNCTION__, name);
 661                          return EINVAL;
 662                     }
 663                case OPKG_OPT_TYPE_STRING:
 664                     if (value) {
 665                          *((char **)options[i].value) = xstrdup(value);
 666                          return 0;
 667                     } else {
 668                          printf("%s: Option %s need an argument\n",
 669                                 __FUNCTION__, name);
 670                          return EINVAL;
 671                     }
 672                }
 673           }
 674           i++;
 675      }
 676
 677      fprintf(stderr, "%s: Unrecognized option: %s=%s\n",
 678              __FUNCTION__, name, value);
 679      return EINVAL;
 680 }
 681
 682 int opkg_conf_write_status_files(opkg_conf_t *conf)
 683 {
 684      pkg_dest_list_elt_t *iter;
 685      pkg_dest_t *dest;
 686      pkg_vec_t *all;
 687      pkg_t *pkg;
 688      int i, ret = 0;
 689
 690      if (conf->noaction)
 691           return 0;
 692
 693      list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 694           dest = (pkg_dest_t *)iter->data;
 695
 696           dest->status_fp = fopen(dest->status_file_name, "w");
 697           if (dest->status_fp == NULL) {
 698                fprintf(stderr, "%s: Can't open status file: %s: %s\n",
 699                     __FUNCTION__, dest->status_file_name, strerror(errno));
 700                ret = -1;
 701           }
 702      }
 703
 704      all = pkg_vec_alloc();
 705      pkg_hash_fetch_available(&conf->pkg_hash, all);
 706
 707      for(i = 0; i < all->len; i++) {
 708           pkg = all->pkgs[i];
 709           /* We don't need most uninstalled packages in the status file */
 710           if (pkg->state_status == SS_NOT_INSTALLED
 711               && (pkg->state_want == SW_UNKNOWN
 712                   || pkg->state_want == SW_DEINSTALL
 713                   || pkg->state_want == SW_PURGE)) {
 714                continue;
 715           }
 716           if (pkg->dest == NULL) {
 717                fprintf(stderr, "%s: ERROR: Can't write status for "
 718                        "package %s since it has a NULL dest\n",
 719                        __FUNCTION__, pkg->name);
 720                continue;
 721           }
 722           if (pkg->dest->status_fp)
 723                pkg_print_status(pkg, pkg->dest->status_fp);
 724      }
 725
 726      pkg_vec_free(all);
 727
 728      list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 729           dest = (pkg_dest_t *)iter->data;
 730           fclose(dest->status_fp);
 731      }
 732
 733      return ret;
 734 }
 735
 736
 737 char *root_filename_alloc(opkg_conf_t *conf, char *filename)
 738 {
 739      char *root_filename;
 740      sprintf_alloc(&root_filename, "%s%s", (conf->offline_root ? conf->offline_root : ""), filename);
 741      return root_filename;
 742 }