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