opkg_conf.c

   1 /* opkg_conf.c - the itsy 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 <glob.h>
  19
  20 #include "opkg.h"
  21 #include "opkg_conf.h"
  22
  23 #include "xregex.h"
  24 #include "sprintf_alloc.h"
  25 #include "opkg_conf.h"
  26 #include "opkg_message.h"
  27 #include "file_util.h"
  28 #include "str_util.h"
  29 #include "xsystem.h"
  30
  31 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
  32                                 pkg_src_list_t *pkg_src_list,
  33                                 nv_pair_list_t *tmp_dest_nv_pair_list,
  34                                 char **tmp_lists_dir);
  35 static int opkg_init_options_array(const opkg_conf_t *conf, opkg_option_t **options);
  36 static int opkg_conf_set_option(const opkg_option_t *options,
  37                                 const char *name, const char *value);
  38 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
  39                                       const char *default_dest_name);
  40 static int set_and_load_pkg_src_list(opkg_conf_t *conf,
  41                                      pkg_src_list_t *nv_pair_list);
  42 static int set_and_load_pkg_dest_list(opkg_conf_t *conf,
  43                                       nv_pair_list_t *nv_pair_list, char * lists_dir);
  44
  45 int opkg_init_options_array(const opkg_conf_t *conf, opkg_option_t **options)
  46 {
  47      opkg_option_t tmp[] = {
  48           { "force_defaults", OPKG_OPT_TYPE_BOOL, &conf->force_defaults },
  49           { "force_depends", OPKG_OPT_TYPE_BOOL, &conf->force_depends },
  50           { "force_overwrite", OPKG_OPT_TYPE_BOOL, &conf->force_overwrite },
  51           { "force_downgrade", OPKG_OPT_TYPE_BOOL, &conf->force_downgrade },
  52           { "force_reinstall", OPKG_OPT_TYPE_BOOL, &conf->force_reinstall },
  53           { "force_space", OPKG_OPT_TYPE_BOOL, &conf->force_space },
  54           { "ftp_proxy", OPKG_OPT_TYPE_STRING, &conf->ftp_proxy },
  55           { "http_proxy", OPKG_OPT_TYPE_STRING, &conf->http_proxy },
  56           { "multiple_providers", OPKG_OPT_TYPE_BOOL, &conf->multiple_providers },
  57           { "no_proxy", OPKG_OPT_TYPE_STRING, &conf->no_proxy },
  58           { "test", OPKG_OPT_TYPE_INT, &conf->noaction },
  59           { "noaction", OPKG_OPT_TYPE_INT, &conf->noaction },
  60           { "nodeps", OPKG_OPT_TYPE_BOOL, &conf->nodeps },
  61           { "offline_root", OPKG_OPT_TYPE_STRING, &conf->offline_root },
  62           { "offline_root_post_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_post_script_cmd },
  63           { "offline_root_pre_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_pre_script_cmd },
  64           { "proxy_passwd", OPKG_OPT_TYPE_STRING, &conf->proxy_passwd },
  65           { "proxy_user", OPKG_OPT_TYPE_STRING, &conf->proxy_user },
  66           { "query-all", OPKG_OPT_TYPE_BOOL, &conf->query_all },
  67           { "verbose-wget", OPKG_OPT_TYPE_BOOL, &conf->verbose_wget },
  68           { "verbosity", OPKG_OPT_TYPE_BOOL, &conf->verbosity },
  69           { NULL }
  70      };
  71
  72      *options = (opkg_option_t *)malloc(sizeof(tmp));
  73      if ( options == NULL ){
  74         fprintf(stderr,"%s: Unable to allocate memory\n",__FUNCTION__);
  75         return -1;
  76      }
  77
  78      memcpy(*options, tmp, sizeof(tmp));
  79      return 0;
  80 };
  81
  82 static void opkg_conf_override_string(char **conf_str, char *arg_str)
  83 {
  84      if (arg_str) {
  85           if (*conf_str) {
  86                free(*conf_str);
  87           }
  88           *conf_str = strdup(arg_str);
  89      }
  90 }
  91
  92 static void opkg_conf_free_string(char **conf_str)
  93 {
  94      if (*conf_str) {
  95           free(*conf_str);
  96           *conf_str = NULL;
  97      }
  98 }
  99
 100 int opkg_conf_init(opkg_conf_t *conf, const args_t *args)
 101 {
 102      int err;
 103      char *tmp_dir_base;
 104      nv_pair_list_t tmp_dest_nv_pair_list;
 105      char * lists_dir =NULL;
 106      glob_t globbuf;
 107      char *etc_opkg_conf_pattern = "/etc/opkg/*.conf";
 108      char *pending_dir  =NULL;
 109
 110      memset(conf, 0, sizeof(opkg_conf_t));
 111
 112      pkg_src_list_init(&conf->pkg_src_list);
 113
 114      nv_pair_list_init(&tmp_dest_nv_pair_list);
 115      pkg_dest_list_init(&conf->pkg_dest_list);
 116
 117      nv_pair_list_init(&conf->arch_list);
 118
 119      conf->restrict_to_default_dest = 0;
 120      conf->default_dest = NULL;
 121
 122
 123      if (args->tmp_dir)
 124           tmp_dir_base = args->tmp_dir;
 125      else
 126           tmp_dir_base = getenv("TMPDIR");
 127      sprintf_alloc(&conf->tmp_dir, "%s/%s",
 128                    tmp_dir_base ? tmp_dir_base : OPKG_CONF_DEFAULT_TMP_DIR_BASE,
 129                    OPKG_CONF_TMP_DIR_SUFFIX);
 130      conf->tmp_dir = mkdtemp(conf->tmp_dir);
 131      if (conf->tmp_dir == NULL) {
 132           fprintf(stderr, "%s: Failed to create temporary directory `%s': %s\n",
 133                   __FUNCTION__, conf->tmp_dir, strerror(errno));
 134           return errno;
 135      }
 136
 137      conf->force_depends = 0;
 138      conf->force_defaults = 0;
 139      conf->force_overwrite = 0;
 140      conf->force_downgrade = 0;
 141      conf->force_reinstall = 0;
 142      conf->force_space = 0;
 143      conf->force_removal_of_essential_packages = 0;
 144      conf->force_removal_of_dependent_packages = 0;
 145      conf->nodeps = 0;
 146      conf->verbose_wget = 0;
 147      conf->offline_root = NULL;
 148      conf->offline_root_pre_script_cmd = NULL;
 149      conf->offline_root_post_script_cmd = NULL;
 150      conf->multiple_providers = 0;
 151      conf->verbosity = 1;
 152      conf->noaction = 0;
 153
 154      conf->http_proxy = NULL;
 155      conf->ftp_proxy = NULL;
 156      conf->no_proxy = NULL;
 157      conf->proxy_user = NULL;
 158      conf->proxy_passwd = NULL;
 159
 160      pkg_hash_init("pkg-hash", &conf->pkg_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 161      hash_table_init("file-hash", &conf->file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 162      hash_table_init("obs-file-hash", &conf->obs_file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 163      lists_dir=(char *)malloc(1);
 164      lists_dir[0]='\0';
 165      if (args->conf_file) {
 166           struct stat stat_buf;
 167           err = stat(args->conf_file, &stat_buf);
 168           if (err == 0)
 169                if (opkg_conf_parse_file(conf, args->conf_file,
 170                                     &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 171                    /* Memory leakage from opkg_conf_parse-file */
 172                    return -1;
 173                }
 174
 175      }
 176
 177      /* if (!lists_dir ){*/
 178      if (strlen(lists_dir)<=1 ){
 179         lists_dir = realloc(lists_dir,strlen(OPKG_CONF_LISTS_DIR)+2);
 180         sprintf (lists_dir,"%s",OPKG_CONF_LISTS_DIR);
 181      }
 182
 183      if (args->offline_root) {
 184             char *tmp = malloc(strlen(lists_dir) + strlen(args->offline_root) + 1);
 185             sprintf_alloc(&tmp, "%s/%s",args->offline_root,lists_dir);
 186             free(lists_dir);
 187             lists_dir = tmp;
 188      }
 189
 190      pending_dir = malloc(strlen(lists_dir)+strlen("/pending")+5);
 191      snprintf(pending_dir,strlen(lists_dir)+strlen("/pending") ,"%s%s",lists_dir,"/pending");
 192
 193      conf->lists_dir = strdup(lists_dir);
 194      conf->pending_dir = strdup(pending_dir);
 195
 196      if (args->offline_root)
 197           sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf", args->offline_root);
 198      memset(&globbuf, 0, sizeof(globbuf));
 199      err = glob(etc_opkg_conf_pattern, 0, NULL, &globbuf);
 200      if (!err) {
 201           int i;
 202           for (i = 0; i < globbuf.gl_pathc; i++) {
 203                if (globbuf.gl_pathv[i])
 204                     if ( opkg_conf_parse_file(conf, globbuf.gl_pathv[i],
 205                                          &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 206                         /* Memory leakage from opkg_conf_parse-file */
 207                         return -1;
 208                     }
 209           }
 210      }
 211      globfree(&globbuf);
 212
 213      /* if no architectures were defined, then default all, noarch, and host architecture */
 214      if (nv_pair_list_empty(&conf->arch_list)) {
 215           nv_pair_list_append(&conf->arch_list, "all", "1");
 216           nv_pair_list_append(&conf->arch_list, "noarch", "1");
 217           nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 218      }
 219
 220      /* Even if there is no conf file, we'll need at least one dest. */
 221      if (tmp_dest_nv_pair_list.head == NULL) {
 222           nv_pair_list_append(&tmp_dest_nv_pair_list,
 223                               OPKG_CONF_DEFAULT_DEST_NAME,
 224                               OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 225      }
 226
 227      /* After parsing the file, set options from command-line, (so that
 228         command-line arguments take precedence) */
 229      /* XXX: CLEANUP: The interaction between args.c and opkg_conf.c
 230         really needs to be cleaned up. There is so much duplication
 231         right now it is ridiculous. Maybe opkg_conf_t should just save
 232         a pointer to args_t (which could then not be freed), rather
 233         than duplicating every field here? */
 234      if (args->force_depends) {
 235           conf->force_depends = 1;
 236      }
 237      if (args->force_defaults) {
 238           conf->force_defaults = 1;
 239      }
 240      if (args->force_overwrite) {
 241           conf->force_overwrite = 1;
 242      }
 243      if (args->force_downgrade) {
 244           conf->force_downgrade = 1;
 245      }
 246      if (args->force_reinstall) {
 247           conf->force_reinstall = 1;
 248      }
 249      if (args->force_removal_of_dependent_packages) {
 250           conf->force_removal_of_dependent_packages = 1;
 251      }
 252      if (args->force_removal_of_essential_packages) {
 253           conf->force_removal_of_essential_packages = 1;
 254      }
 255      if (args->nodeps) {
 256           conf->nodeps = 1;
 257      }
 258      if (args->noaction) {
 259           conf->noaction = 1;
 260      }
 261      if (args->query_all) {
 262           conf->query_all = 1;
 263      }
 264      if (args->verbose_wget) {
 265           conf->verbose_wget = 1;
 266      }
 267      if (args->multiple_providers) {
 268           conf->multiple_providers = 1;
 269      }
 270      if (args->verbosity != conf->verbosity) {
 271           conf->verbosity = args->verbosity;
 272      }
 273
 274      opkg_conf_override_string(&conf->offline_root,
 275                                args->offline_root);
 276      opkg_conf_override_string(&conf->offline_root_pre_script_cmd,
 277                                args->offline_root_pre_script_cmd);
 278      opkg_conf_override_string(&conf->offline_root_post_script_cmd,
 279                                args->offline_root_post_script_cmd);
 280
 281 /* Pigi: added a flag to disable the checking of structures if the command does not need to
 282          read anything from there.
 283 */
 284      if ( !(args->nocheckfordirorfile)){
 285         /* need to run load the source list before dest list -Jamey */
 286         if ( !(args->noreadfeedsfile))
 287            set_and_load_pkg_src_list(conf, &conf->pkg_src_list);
 288
 289         /* Now that we have resolved conf->offline_root, we can commit to
 290            the directory names for the dests and load in all the package
 291            lists. */
 292         set_and_load_pkg_dest_list(conf, &tmp_dest_nv_pair_list,lists_dir);
 293
 294         if (args->dest) {
 295              err = opkg_conf_set_default_dest(conf, args->dest);
 296              if (err) {
 297                   return err;
 298              }
 299         }
 300      }
 301      nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 302      free(lists_dir);
 303      free(pending_dir);
 304
 305      return 0;
 306 }
 307
 308 void opkg_conf_deinit(opkg_conf_t *conf)
 309 {
 310 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
 311 #error
 312      fprintf(stderr, "%s: Not cleaning up %s since opkg compiled "
 313              "with OPKG_DEBUG_NO_TMP_CLEANUP\n",
 314              __FUNCTION__, conf->tmp_dir);
 315 #else
 316      int err;
 317
 318      err = rmdir(conf->tmp_dir);
 319      if (err) {
 320           if (errno == ENOTEMPTY) {
 321                char *cmd;
 322                sprintf_alloc(&cmd, "rm -fr %s\n", conf->tmp_dir);
 323                err = xsystem(cmd);
 324                free(cmd);
 325           }
 326           if (err)
 327                fprintf(stderr, "WARNING: Unable to remove temporary directory: %s: %s\n", conf->tmp_dir, strerror(errno));
 328      }
 329 #endif /* OPKG_DEBUG_NO_TMP_CLEANUP */
 330
 331      free(conf->tmp_dir); /*XXX*/
 332
 333      pkg_src_list_deinit(&conf->pkg_src_list);
 334      pkg_dest_list_deinit(&conf->pkg_dest_list);
 335      nv_pair_list_deinit(&conf->arch_list);
 336      if (&conf->pkg_hash)
 337                     pkg_hash_deinit(&conf->pkg_hash);
 338      if (&conf->file_hash)
 339                     hash_table_deinit(&conf->file_hash);
 340      if (&conf->obs_file_hash)
 341                     hash_table_deinit(&conf->obs_file_hash);
 342
 343      opkg_conf_free_string(&conf->offline_root);
 344      opkg_conf_free_string(&conf->offline_root_pre_script_cmd);
 345      opkg_conf_free_string(&conf->offline_root_post_script_cmd);
 346
 347      if (conf->verbosity > 1) {
 348           int i;
 349           hash_table_t *hashes[] = {
 350                &conf->pkg_hash,
 351                &conf->file_hash,
 352                &conf->obs_file_hash };
 353           for (i = 0; i < 3; i++) {
 354                hash_table_t *hash = hashes[i];
 355                int c = 0;
 356                int n_conflicts = 0;
 357                int j;
 358                for (j = 0; j < hash->n_entries; j++) {
 359                     int len = 0;
 360                     hash_entry_t *e = &hash->entries[j];
 361                     if (e->next)
 362                          n_conflicts++;
 363                     while (e && e->key) {
 364                          len++;
 365                          e = e->next;
 366                     }
 367                     if (len > c)
 368                          c = len;
 369                }
 370                opkg_message(conf, OPKG_DEBUG, "hash_table[%s] n_buckets=%d n_elements=%d max_conflicts=%d n_conflicts=%d\n",
 371                             hash->name, hash->n_entries, hash->n_elements, c, n_conflicts);
 372                hash_table_deinit(hash);
 373           }
 374      }
 375 }
 376
 377 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
 378                                       const char *default_dest_name)
 379 {
 380      pkg_dest_list_elt_t *iter;
 381      pkg_dest_t *dest;
 382
 383      for (iter = conf->pkg_dest_list.head; iter; iter = iter->next) {
 384           dest = iter->data;
 385           if (strcmp(dest->name, default_dest_name) == 0) {
 386                conf->default_dest = dest;
 387                conf->restrict_to_default_dest = 1;
 388                return 0;
 389           }
 390      }
 391
 392      fprintf(stderr, "ERROR: Unknown dest name: `%s'\n", default_dest_name);
 393
 394      return 1;
 395 }
 396
 397 static int set_and_load_pkg_src_list(opkg_conf_t *conf, pkg_src_list_t *pkg_src_list)
 398 {
 399      pkg_src_list_elt_t *iter;
 400      pkg_src_t *src;
 401      char *list_file;
 402
 403      for (iter = pkg_src_list->head; iter; iter = iter->next) {
 404           src = iter->data;
 405           if (src == NULL) {
 406                continue;
 407           }
 408
 409           sprintf_alloc(&list_file, "%s/%s",
 410                           conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir,
 411                           src->name);
 412
 413           if (file_exists(list_file)) {
 414                pkg_hash_add_from_file(conf, list_file, src, NULL, 0);
 415           }
 416           free(list_file);
 417      }
 418
 419      return 0;
 420 }
 421
 422 static int set_and_load_pkg_dest_list(opkg_conf_t *conf, nv_pair_list_t *nv_pair_list, char *lists_dir )
 423 {
 424      nv_pair_list_elt_t *iter;
 425      nv_pair_t *nv_pair;
 426      pkg_dest_t *dest;
 427      char *root_dir;
 428
 429      for (iter = nv_pair_list->head; iter; iter = iter->next) {
 430           nv_pair = iter->data;
 431
 432           if (conf->offline_root) {
 433                sprintf_alloc(&root_dir, "%s%s", conf->offline_root, nv_pair->value);
 434           } else {
 435                root_dir = strdup(nv_pair->value);
 436           }
 437           dest = pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name, root_dir, lists_dir);
 438           free(root_dir);
 439           if (dest == NULL) {
 440                continue;
 441           }
 442           if (conf->default_dest == NULL) {
 443                conf->default_dest = dest;
 444           }
 445           if (file_exists(dest->status_file_name)) {
 446                pkg_hash_add_from_file(conf, dest->status_file_name,
 447                                       NULL, dest, 1);
 448           }
 449      }
 450
 451      return 0;
 452 }
 453
 454 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
 455                                 pkg_src_list_t *pkg_src_list,
 456                                 nv_pair_list_t *tmp_dest_nv_pair_list,
 457                                 char **lists_dir)
 458 {
 459      int err;
 460      opkg_option_t * options;
 461      FILE *file = fopen(filename, "r");
 462      regex_t valid_line_re, comment_re;
 463 #define regmatch_size 12
 464      regmatch_t regmatch[regmatch_size];
 465
 466      if (opkg_init_options_array(conf, &options)<0)
 467         return ENOMEM;
 468
 469      if (file == NULL) {
 470           fprintf(stderr, "%s: failed to open %s: %s\n",
 471                   __FUNCTION__, filename, strerror(errno));
 472           free(options);
 473           return errno;
 474      }
 475      opkg_message(conf, OPKG_NOTICE, "loading conf file %s\n", filename);
 476
 477      err = xregcomp(&comment_re,
 478                     "^[[:space:]]*(#.*|[[:space:]]*)$",
 479                     REG_EXTENDED);
 480      if (err) {
 481           free(options);
 482           return err;
 483      }
 484      err = xregcomp(&valid_line_re, "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))([[:space:]]+([^[:space:]]+))?[[:space:]]*$", REG_EXTENDED);
 485      if (err) {
 486           free(options);
 487           return err;
 488      }
 489
 490      while(1) {
 491           int line_num = 0;
 492           char *line;
 493           char *type, *name, *value, *extra;
 494
 495           line = file_read_line_alloc(file);
 496           line_num++;
 497           if (line == NULL) {
 498                break;
 499           }
 500
 501           str_chomp(line);
 502
 503           if (regexec(&comment_re, line, 0, 0, 0) == 0) {
 504                goto NEXT_LINE;
 505           }
 506
 507           if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) == REG_NOMATCH) {
 508                str_chomp(line);
 509                fprintf(stderr, "%s:%d: Ignoring invalid line: `%s'\n",
 510                        filename, line_num, line);
 511                goto NEXT_LINE;
 512           }
 513
 514           /* This has to be so ugly to deal with optional quotation marks */
 515           if (regmatch[2].rm_so > 0) {
 516                type = strndup(line + regmatch[2].rm_so,
 517                               regmatch[2].rm_eo - regmatch[2].rm_so);
 518           } else {
 519                type = strndup(line + regmatch[3].rm_so,
 520                               regmatch[3].rm_eo - regmatch[3].rm_so);
 521           }
 522           if (regmatch[5].rm_so > 0) {
 523                name = strndup(line + regmatch[5].rm_so,
 524                               regmatch[5].rm_eo - regmatch[5].rm_so);
 525           } else {
 526                name = strndup(line + regmatch[6].rm_so,
 527                               regmatch[6].rm_eo - regmatch[6].rm_so);
 528           }
 529           if (regmatch[8].rm_so > 0) {
 530                value = strndup(line + regmatch[8].rm_so,
 531                                regmatch[8].rm_eo - regmatch[8].rm_so);
 532           } else {
 533                value = strndup(line + regmatch[9].rm_so,
 534                                regmatch[9].rm_eo - regmatch[9].rm_so);
 535           }
 536           extra = NULL;
 537           if (regmatch[11].rm_so > 0) {
 538                extra = strndup (line + regmatch[11].rm_so,
 539                                 regmatch[11].rm_eo - regmatch[11].rm_so);
 540           }
 541
 542           /* We use the tmp_dest_nv_pair_list below instead of
 543              conf->pkg_dest_list because we might encounter an
 544              offline_root option later and that would invalidate the
 545              directories we would have computed in
 546              pkg_dest_list_init. (We do a similar thing with
 547              tmp_src_nv_pair_list for sake of symmetry.) */
 548           if (strcmp(type, "option") == 0) {
 549                opkg_conf_set_option(options, name, value);
 550           } else if (strcmp(type, "src") == 0) {
 551                if (!nv_pair_list_find(pkg_src_list, name)) {
 552                     pkg_src_list_append (pkg_src_list, name, value, extra, 0);
 553                } else {
 554                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 555                                  name, value);
 556                }
 557           } else if (strcmp(type, "src/gz") == 0) {
 558                if (!nv_pair_list_find(pkg_src_list, name)) {
 559                     pkg_src_list_append (pkg_src_list, name, value, extra, 1);
 560                } else {
 561                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 562                                  name, value);
 563                }
 564           } else if (strcmp(type, "dest") == 0) {
 565                nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
 566           } else if (strcmp(type, "lists_dir") == 0) {
 567                *lists_dir = realloc(*lists_dir,strlen(value)+1);
 568                if (*lists_dir == NULL) {
 569                     opkg_message(conf, OPKG_ERROR, "ERROR: Not enough memory\n");
 570                     free(options);
 571                     return EINVAL;
 572                }
 573                sprintf (*lists_dir,"%s",value);
 574           } else if (strcmp(type, "arch") == 0) {
 575                opkg_message(conf, OPKG_INFO, "supported arch %s priority (%s)\n", name, value);
 576                if (!value) {
 577                     opkg_message(conf, OPKG_NOTICE, "defaulting architecture %s priority to 10\n", name);
 578                     value = strdup("10");
 579                }
 580                nv_pair_list_append(&conf->arch_list, strdup(name), strdup(value));
 581           } else {
 582                fprintf(stderr, "WARNING: Ignoring unknown configuration "
 583                        "parameter: %s %s %s\n", type, name, value);
 584                free(options);
 585                return EINVAL;
 586           }
 587
 588           free(type);
 589           free(name);
 590           free(value);
 591           if (extra)
 592                free (extra);
 593
 594      NEXT_LINE:
 595           free(line);
 596      }
 597
 598      free(options);
 599      regfree(&comment_re);
 600      regfree(&valid_line_re);
 601      fclose(file);
 602
 603      return 0;
 604 }
 605
 606 static int opkg_conf_set_option(const opkg_option_t *options,
 607                                 const char *name, const char *value)
 608 {
 609      int i = 0;
 610      while (options[i].name) {
 611           if (strcmp(options[i].name, name) == 0) {
 612                switch (options[i].type) {
 613                case OPKG_OPT_TYPE_BOOL:
 614                     *((int *)options[i].value) = 1;
 615                     return 0;
 616                case OPKG_OPT_TYPE_INT:
 617                     if (value) {
 618                          *((int *)options[i].value) = atoi(value);
 619                          return 0;
 620                     } else {
 621                          printf("%s: Option %s need an argument\n",
 622                                 __FUNCTION__, name);
 623                          return EINVAL;
 624                     }
 625                case OPKG_OPT_TYPE_STRING:
 626                     if (value) {
 627                          *((char **)options[i].value) = strdup(value);
 628                          return 0;
 629                     } else {
 630                          printf("%s: Option %s need an argument\n",
 631                                 __FUNCTION__, name);
 632                          return EINVAL;
 633                     }
 634                }
 635           }
 636           i++;
 637      }
 638
 639      fprintf(stderr, "%s: Unrecognized option: %s=%s\n",
 640              __FUNCTION__, name, value);
 641      return EINVAL;
 642 }
 643
 644 int opkg_conf_write_status_files(opkg_conf_t *conf)
 645 {
 646      pkg_dest_list_elt_t *iter;
 647      pkg_dest_t *dest;
 648      pkg_vec_t *all;
 649      pkg_t *pkg;
 650      register int i;
 651      int err;
 652
 653      if (conf->noaction)
 654           return 0;
 655      for (iter = conf->pkg_dest_list.head; iter; iter = iter->next) {
 656           dest = iter->data;
 657           dest->status_file = fopen(dest->status_file_tmp_name, "w");
 658           if (dest->status_file == NULL) {
 659                fprintf(stderr, "%s: Can't open status file: %s for writing: %s\n",
 660                        __FUNCTION__, dest->status_file_name, strerror(errno));
 661           }
 662      }
 663
 664      all = pkg_vec_alloc();
 665      pkg_hash_fetch_available(&conf->pkg_hash, all);
 666
 667      for(i = 0; i < all->len; i++) {
 668           pkg = all->pkgs[i];
 669           /* We don't need most uninstalled packages in the status file */
 670           if (pkg->state_status == SS_NOT_INSTALLED
 671               && (pkg->state_want == SW_UNKNOWN
 672                   || pkg->state_want == SW_DEINSTALL
 673                   || pkg->state_want == SW_PURGE)) {
 674                continue;
 675           }
 676           if (!pkg) {
 677             fprintf(stderr, "Null package\n");
 678           }
 679           if (pkg->dest == NULL) {
 680                fprintf(stderr, "%s: ERROR: Can't write status for "
 681                        "package %s since it has a NULL dest\n",
 682                        __FUNCTION__, pkg->name);
 683                continue;
 684           }
 685           if (pkg->dest->status_file) {
 686                pkg_print_status(pkg, pkg->dest->status_file);
 687           }
 688      }
 689
 690      pkg_vec_free(all);
 691
 692      for (iter = conf->pkg_dest_list.head; iter; iter = iter->next) {
 693           dest = iter->data;
 694           if (dest->status_file) {
 695                err = ferror(dest->status_file);
 696                fclose(dest->status_file);
 697                dest->status_file = NULL;
 698                if (!err) {
 699                     file_move(dest->status_file_tmp_name, dest->status_file_name);
 700                } else {
 701                     fprintf(stderr, "%s: ERROR: An error has occurred writing %s, "
 702                             "retaining old %s\n", __FUNCTION__,
 703                             dest->status_file_tmp_name, dest->status_file_name);
 704                }
 705           }
 706      }
 707
 708      return 0;
 709 }
 710
 711
 712 char *root_filename_alloc(opkg_conf_t *conf, char *filename)
 713 {
 714      char *root_filename;
 715      sprintf_alloc(&root_filename, "%s%s", (conf->offline_root ? conf->offline_root : ""), filename);
 716      return root_filename;
 717 }