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