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