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