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 "args.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 #include <errno.h>
  36
  37 extern char *conf_file_dir;
  38
  39 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
  40                                 pkg_src_list_t *pkg_src_list,
  41                                 nv_pair_list_t *tmp_dest_nv_pair_list,
  42                                 char **tmp_lists_dir);
  43 static int opkg_conf_set_option(const opkg_option_t *options,
  44                                 const char *name, const char *value);
  45 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
  46                                       const char *default_dest_name);
  47 static int set_and_load_pkg_src_list(opkg_conf_t *conf,
  48                                      pkg_src_list_t *nv_pair_list);
  49 static int set_and_load_pkg_dest_list(opkg_conf_t *conf,
  50                                       nv_pair_list_t *nv_pair_list, char * lists_dir);
  51
  52 int opkg_init_options_array(const opkg_conf_t *conf, opkg_option_t **options)
  53 {
  54      opkg_option_t tmp[] = {
  55           { "cache", OPKG_OPT_TYPE_STRING, &conf->cache},
  56           { "force_defaults", OPKG_OPT_TYPE_BOOL, &conf->force_defaults },
  57           { "force_maintainer", OPKG_OPT_TYPE_BOOL, &conf->force_maintainer },
  58           { "force_depends", OPKG_OPT_TYPE_BOOL, &conf->force_depends },
  59           { "force_overwrite", OPKG_OPT_TYPE_BOOL, &conf->force_overwrite },
  60           { "force_downgrade", OPKG_OPT_TYPE_BOOL, &conf->force_downgrade },
  61           { "force_reinstall", OPKG_OPT_TYPE_BOOL, &conf->force_reinstall },
  62           { "force_space", OPKG_OPT_TYPE_BOOL, &conf->force_space },
  63           { "check_signature", OPKG_OPT_TYPE_INT, &conf->check_signature },
  64           { "ftp_proxy", OPKG_OPT_TYPE_STRING, &conf->ftp_proxy },
  65           { "http_proxy", OPKG_OPT_TYPE_STRING, &conf->http_proxy },
  66           { "no_proxy", OPKG_OPT_TYPE_STRING, &conf->no_proxy },
  67           { "test", OPKG_OPT_TYPE_INT, &conf->noaction },
  68           { "noaction", OPKG_OPT_TYPE_INT, &conf->noaction },
  69           { "nodeps", OPKG_OPT_TYPE_BOOL, &conf->nodeps },
  70           { "offline_root", OPKG_OPT_TYPE_STRING, &conf->offline_root },
  71           { "offline_root_path", OPKG_OPT_TYPE_STRING, &conf->offline_root_path },
  72           { "offline_root_post_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_post_script_cmd },
  73           { "offline_root_pre_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_pre_script_cmd },
  74           { "proxy_passwd", OPKG_OPT_TYPE_STRING, &conf->proxy_passwd },
  75           { "proxy_user", OPKG_OPT_TYPE_STRING, &conf->proxy_user },
  76           { "query-all", OPKG_OPT_TYPE_BOOL, &conf->query_all },
  77           { "verbosity", OPKG_OPT_TYPE_BOOL, &conf->verbosity },
  78           { "signature_ca_file", OPKG_OPT_TYPE_STRING, &conf->signature_ca_file },
  79           { "signature_ca_path", OPKG_OPT_TYPE_STRING, &conf->signature_ca_path },
  80           { NULL }
  81      };
  82
  83      *options = (opkg_option_t *)calloc(1, sizeof(tmp));
  84      if ( options == NULL ){
  85         fprintf(stderr,"%s: Unable to allocate memory\n",__FUNCTION__);
  86         return -1;
  87      }
  88
  89      memcpy(*options, tmp, sizeof(tmp));
  90      return 0;
  91 };
  92
  93 static void opkg_conf_override_string(char **conf_str, char *arg_str)
  94 {
  95      if (arg_str) {
  96           if (*conf_str) {
  97                free(*conf_str);
  98           }
  99           *conf_str = strdup(arg_str);
 100      }
 101 }
 102
 103 static void opkg_conf_free_string(char **conf_str)
 104 {
 105      if (*conf_str) {
 106           free(*conf_str);
 107           *conf_str = NULL;
 108      }
 109 }
 110
 111 int opkg_conf_init(opkg_conf_t *conf, const args_t *args)
 112 {
 113      int err;
 114      int errno_copy;
 115      char *tmp_dir_base;
 116      nv_pair_list_t tmp_dest_nv_pair_list;
 117      char *lists_dir = NULL, *lock_file = NULL;
 118      glob_t globbuf;
 119      char *etc_opkg_conf_pattern;
 120      char *pending_dir = NULL;
 121
 122      memset(conf, 0, sizeof(opkg_conf_t));
 123
 124      pkg_src_list_init(&conf->pkg_src_list);
 125
 126      nv_pair_list_init(&tmp_dest_nv_pair_list);
 127      pkg_dest_list_init(&conf->pkg_dest_list);
 128
 129      nv_pair_list_init(&conf->arch_list);
 130
 131      conf->restrict_to_default_dest = 0;
 132      conf->default_dest = NULL;
 133
 134      /* check for lock file */
 135      if (args->offline_root)
 136        sprintf_alloc (&lock_file, "%s/%s/lock", args->offline_root, OPKG_STATE_DIR_PREFIX);
 137      else
 138        sprintf_alloc (&lock_file, "%s/lock", OPKG_STATE_DIR_PREFIX);
 139
 140      conf->lock_fd = creat (lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
 141      err = lockf (conf->lock_fd, F_TLOCK, 0);
 142      errno_copy = errno;
 143
 144      free (lock_file);
 145
 146      if (err)
 147      {
 148        if(args->offline_root) {
 149          opkg_message (conf, OPKG_ERROR, "Could not obtain administrative lock for offline root (ERR: %s)  at %s/%s/lock\n",
 150                  strerror(errno_copy), args->offline_root, OPKG_STATE_DIR_PREFIX);
 151        } else {
 152          opkg_message (conf, OPKG_ERROR, "Could not obtain administrative lock (ERR: %s) at %s/lock\n",
 153                  strerror(errno_copy), OPKG_STATE_DIR_PREFIX);
 154        }
 155        return OPKG_CONF_ERR_LOCK;
 156      }
 157
 158      if (args->tmp_dir)
 159           tmp_dir_base = args->tmp_dir;
 160      else
 161           tmp_dir_base = getenv("TMPDIR");
 162      sprintf_alloc(&conf->tmp_dir, "%s/%s",
 163                    tmp_dir_base ? tmp_dir_base : OPKG_CONF_DEFAULT_TMP_DIR_BASE,
 164                    OPKG_CONF_TMP_DIR_SUFFIX);
 165      conf->tmp_dir = mkdtemp(conf->tmp_dir);
 166      if (conf->tmp_dir == NULL) {
 167           fprintf(stderr, "%s: Failed to create temporary directory `%s': %s\n",
 168                   __FUNCTION__, conf->tmp_dir, strerror(errno));
 169           return OPKG_CONF_ERR_TMP_DIR;
 170      }
 171
 172      pkg_hash_init("pkg-hash", &conf->pkg_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 173      hash_table_init("file-hash", &conf->file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 174      hash_table_init("obs-file-hash", &conf->obs_file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 175      lists_dir=(char *)malloc(1);
 176      lists_dir[0]='\0';
 177      if (args->conf_file) {
 178           struct stat stat_buf;
 179           err = stat(args->conf_file, &stat_buf);
 180           if (err == 0)
 181                if (opkg_conf_parse_file(conf, args->conf_file,
 182                                     &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 183                    /* Memory leakage from opkg_conf_parse-file */
 184                    return OPKG_CONF_ERR_PARSE;
 185                }
 186      }
 187
 188      if (strlen(lists_dir)<=1 ){
 189         lists_dir = realloc(lists_dir,strlen(OPKG_CONF_LISTS_DIR)+2);
 190         sprintf (lists_dir,"%s",OPKG_CONF_LISTS_DIR);
 191      }
 192
 193      if (args->offline_root) {
 194             char *tmp;
 195             sprintf_alloc(&tmp, "%s/%s",args->offline_root,lists_dir);
 196             free(lists_dir);
 197             lists_dir = tmp;
 198      }
 199
 200      pending_dir = calloc(1, strlen(lists_dir)+strlen("/pending")+5);
 201      snprintf(pending_dir,strlen(lists_dir)+strlen("/pending") ,"%s%s",lists_dir,"/pending");
 202
 203      conf->lists_dir = strdup(lists_dir);
 204      conf->pending_dir = strdup(pending_dir);
 205
 206      if (args->offline_root)
 207           sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf", args->offline_root);
 208      else
 209           sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf", conf_file_dir);
 210      memset(&globbuf, 0, sizeof(globbuf));
 211      err = glob(etc_opkg_conf_pattern, 0, NULL, &globbuf);
 212      free (etc_opkg_conf_pattern);
 213      if (!err) {
 214           int i;
 215           for (i = 0; i < globbuf.gl_pathc; i++) {
 216                if (globbuf.gl_pathv[i])
 217                     if ( opkg_conf_parse_file(conf, globbuf.gl_pathv[i],
 218                                          &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 219                         /* Memory leakage from opkg_conf_parse-file */
 220                         return OPKG_CONF_ERR_PARSE;
 221                     }
 222           }
 223      }
 224      globfree(&globbuf);
 225
 226      /* if no architectures were defined, then default all, noarch, and host architecture */
 227      if (nv_pair_list_empty(&conf->arch_list)) {
 228           nv_pair_list_append(&conf->arch_list, "all", "1");
 229           nv_pair_list_append(&conf->arch_list, "noarch", "1");
 230           nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 231      }
 232
 233      /* Even if there is no conf file, we'll need at least one dest. */
 234      if (nv_pair_list_empty(&tmp_dest_nv_pair_list)) {
 235           nv_pair_list_append(&tmp_dest_nv_pair_list,
 236                               OPKG_CONF_DEFAULT_DEST_NAME,
 237                               OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 238      }
 239
 240      /* After parsing the file, set options from command-line, (so that
 241         command-line arguments take precedence) */
 242      /* XXX: CLEANUP: The interaction between args.c and opkg_conf.c
 243         really needs to be cleaned up. There is so much duplication
 244         right now it is ridiculous. Maybe opkg_conf_t should just save
 245         a pointer to args_t (which could then not be freed), rather
 246         than duplicating every field here? */
 247      if (args->autoremove) {
 248           conf->autoremove = 1;
 249      }
 250      if (args->force_depends) {
 251           conf->force_depends = 1;
 252      }
 253      if (args->force_defaults) {
 254           conf->force_defaults = 1;
 255      }
 256      if (args->force_maintainer) {
 257           conf->force_maintainer = 1;
 258      }
 259      if (args->force_overwrite) {
 260           conf->force_overwrite = 1;
 261      }
 262      if (args->force_downgrade) {
 263           conf->force_downgrade = 1;
 264      }
 265      if (args->force_reinstall) {
 266           conf->force_reinstall = 1;
 267      }
 268      if (args->force_removal_of_dependent_packages) {
 269           conf->force_removal_of_dependent_packages = 1;
 270      }
 271      if (args->force_removal_of_essential_packages) {
 272           conf->force_removal_of_essential_packages = 1;
 273      }
 274      if (args->nodeps) {
 275           conf->nodeps = 1;
 276      }
 277      if (args->noaction) {
 278           conf->noaction = 1;
 279      }
 280      if (args->query_all) {
 281           conf->query_all = 1;
 282      }
 283      if (args->verbosity != conf->verbosity) {
 284           conf->verbosity = args->verbosity;
 285      }
 286
 287      opkg_conf_override_string(&conf->offline_root,
 288                                args->offline_root);
 289      opkg_conf_override_string(&conf->offline_root_path,
 290                                args->offline_root_path);
 291      opkg_conf_override_string(&conf->offline_root_pre_script_cmd,
 292                                args->offline_root_pre_script_cmd);
 293      opkg_conf_override_string(&conf->offline_root_post_script_cmd,
 294                                args->offline_root_post_script_cmd);
 295
 296      opkg_conf_override_string(&conf->cache, args->cache);
 297
 298 /* Pigi: added a flag to disable the checking of structures if the command does not need to
 299          read anything from there.
 300 */
 301      if ( !(args->nocheckfordirorfile)){
 302         /* need to run load the source list before dest list -Jamey */
 303         if ( !(args->noreadfeedsfile))
 304            set_and_load_pkg_src_list(conf, &conf->pkg_src_list);
 305
 306         /* Now that we have resolved conf->offline_root, we can commit to
 307            the directory names for the dests and load in all the package
 308            lists. */
 309         set_and_load_pkg_dest_list(conf, &tmp_dest_nv_pair_list,lists_dir);
 310
 311         if (args->dest) {
 312              err = opkg_conf_set_default_dest(conf, args->dest);
 313              if (err) {
 314                   return OPKG_CONF_ERR_DEFAULT_DEST;
 315              }
 316         }
 317      }
 318      nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 319      free(lists_dir);
 320      free(pending_dir);
 321
 322      return 0;
 323 }
 324
 325 void opkg_conf_deinit(opkg_conf_t *conf)
 326 {
 327 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
 328 #error
 329      fprintf(stderr, "%s: Not cleaning up %s since opkg compiled "
 330              "with OPKG_DEBUG_NO_TMP_CLEANUP\n",
 331              __FUNCTION__, conf->tmp_dir);
 332 #else
 333      int err;
 334
 335      err = rmdir(conf->tmp_dir);
 336      if (err) {
 337           if (errno == ENOTEMPTY) {
 338                char *cmd;
 339                sprintf_alloc(&cmd, "rm -fr %s\n", conf->tmp_dir);
 340                err = xsystem(cmd);
 341                free(cmd);
 342           }
 343           if (err)
 344                fprintf(stderr, "WARNING: Unable to remove temporary directory: %s: %s\n", conf->tmp_dir, strerror(errno));
 345      }
 346 #endif /* OPKG_DEBUG_NO_TMP_CLEANUP */
 347
 348      free(conf->tmp_dir); /*XXX*/
 349      free(conf->lists_dir);
 350      free(conf->pending_dir);
 351
 352      pkg_src_list_deinit(&conf->pkg_src_list);
 353      pkg_dest_list_deinit(&conf->pkg_dest_list);
 354      nv_pair_list_deinit(&conf->arch_list);
 355      if (&conf->pkg_hash)
 356                     pkg_hash_deinit(&conf->pkg_hash);
 357      if (&conf->file_hash)
 358                     hash_table_deinit(&conf->file_hash);
 359      if (&conf->obs_file_hash)
 360                     hash_table_deinit(&conf->obs_file_hash);
 361
 362      opkg_conf_free_string(&conf->offline_root);
 363      opkg_conf_free_string(&conf->offline_root_path);
 364      opkg_conf_free_string(&conf->offline_root_pre_script_cmd);
 365      opkg_conf_free_string(&conf->offline_root_post_script_cmd);
 366
 367      opkg_conf_free_string(&conf->cache);
 368
 369      if (conf->verbosity > 1) {
 370           int i;
 371           hash_table_t *hashes[] = {
 372                &conf->pkg_hash,
 373                &conf->file_hash,
 374                &conf->obs_file_hash };
 375           for (i = 0; i < 3; i++) {
 376                hash_table_t *hash = hashes[i];
 377                int c = 0;
 378                int n_conflicts = 0;
 379                int j;
 380                for (j = 0; j < hash->n_entries; j++) {
 381                     int len = 0;
 382                     hash_entry_t *e = &hash->entries[j];
 383                     if (e->next)
 384                          n_conflicts++;
 385                     while (e && e->key) {
 386                          len++;
 387                          e = e->next;
 388                     }
 389                     if (len > c)
 390                          c = len;
 391                }
 392                opkg_message(conf, OPKG_DEBUG, "hash_table[%s] n_buckets=%d n_elements=%d max_conflicts=%d n_conflicts=%d\n",
 393                             hash->name, hash->n_entries, hash->n_elements, c, n_conflicts);
 394                hash_table_deinit(hash);
 395           }
 396      }
 397 }
 398
 399 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
 400                                       const char *default_dest_name)
 401 {
 402      pkg_dest_list_elt_t *iter;
 403      pkg_dest_t *dest;
 404
 405      for (iter = void_list_first(&conf->pkg_dest_list); iter; iter = void_list_next(&conf->pkg_dest_list, iter)) {
 406           dest = (pkg_dest_t *)iter->data;
 407           if (strcmp(dest->name, default_dest_name) == 0) {
 408                conf->default_dest = dest;
 409                conf->restrict_to_default_dest = 1;
 410                return 0;
 411           }
 412      }
 413
 414      fprintf(stderr, "ERROR: Unknown dest name: `%s'\n", default_dest_name);
 415
 416      return 1;
 417 }
 418
 419 static int set_and_load_pkg_src_list(opkg_conf_t *conf, pkg_src_list_t *pkg_src_list)
 420 {
 421      pkg_src_list_elt_t *iter;
 422      pkg_src_t *src;
 423      char *list_file;
 424
 425      for (iter = void_list_first(pkg_src_list); iter; iter = void_list_next(pkg_src_list, iter)) {
 426           src = (pkg_src_t *)iter->data;
 427           if (src == NULL) {
 428                continue;
 429           }
 430
 431           sprintf_alloc(&list_file, "%s/%s",
 432                           conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir,
 433                           src->name);
 434
 435           if (file_exists(list_file)) {
 436                pkg_hash_add_from_file(conf, list_file, src, NULL, 0);
 437           }
 438           free(list_file);
 439      }
 440
 441      return 0;
 442 }
 443
 444 static int set_and_load_pkg_dest_list(opkg_conf_t *conf, nv_pair_list_t *nv_pair_list, char *lists_dir )
 445 {
 446      nv_pair_list_elt_t *iter;
 447      nv_pair_t *nv_pair;
 448      pkg_dest_t *dest;
 449      char *root_dir;
 450
 451      for (iter = nv_pair_list_first(nv_pair_list); iter; iter = nv_pair_list_next(nv_pair_list, iter)) {
 452           nv_pair = (nv_pair_t *)iter->data;
 453
 454           if (conf->offline_root) {
 455                sprintf_alloc(&root_dir, "%s%s", conf->offline_root, nv_pair->value);
 456           } else {
 457                root_dir = strdup(nv_pair->value);
 458           }
 459           dest = pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name, root_dir, lists_dir);
 460           free(root_dir);
 461           if (dest == NULL) {
 462                continue;
 463           }
 464           if (conf->default_dest == NULL) {
 465                conf->default_dest = dest;
 466           }
 467           if (file_exists(dest->status_file_name)) {
 468                pkg_hash_add_from_file(conf, dest->status_file_name,
 469                                       NULL, dest, 1);
 470           }
 471      }
 472
 473      return 0;
 474 }
 475
 476 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
 477                                 pkg_src_list_t *pkg_src_list,
 478                                 nv_pair_list_t *tmp_dest_nv_pair_list,
 479                                 char **lists_dir)
 480 {
 481      int err;
 482      opkg_option_t * options;
 483      FILE *file = fopen(filename, "r");
 484      regex_t valid_line_re, comment_re;
 485 #define regmatch_size 12
 486      regmatch_t regmatch[regmatch_size];
 487
 488      if (opkg_init_options_array(conf, &options)<0)
 489         return ENOMEM;
 490
 491      if (file == NULL) {
 492           fprintf(stderr, "%s: failed to open %s: %s\n",
 493                   __FUNCTION__, filename, strerror(errno));
 494           free(options);
 495           return errno;
 496      }
 497      opkg_message(conf, OPKG_NOTICE, "loading conf file %s\n", filename);
 498
 499      err = xregcomp(&comment_re,
 500                     "^[[:space:]]*(#.*|[[:space:]]*)$",
 501                     REG_EXTENDED);
 502      if (err) {
 503           free(options);
 504           return err;
 505      }
 506      err = xregcomp(&valid_line_re, "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))([[:space:]]+([^[:space:]]+))?[[:space:]]*$", REG_EXTENDED);
 507      if (err) {
 508           free(options);
 509           return err;
 510      }
 511
 512      while(1) {
 513           int line_num = 0;
 514           char *line;
 515           char *type, *name, *value, *extra;
 516
 517           line = file_read_line_alloc(file);
 518           line_num++;
 519           if (line == NULL) {
 520                break;
 521           }
 522
 523           str_chomp(line);
 524
 525           if (regexec(&comment_re, line, 0, 0, 0) == 0) {
 526                goto NEXT_LINE;
 527           }
 528
 529           if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) == REG_NOMATCH) {
 530                str_chomp(line);
 531                fprintf(stderr, "%s:%d: Ignoring invalid line: `%s'\n",
 532                        filename, line_num, line);
 533                goto NEXT_LINE;
 534           }
 535
 536           /* This has to be so ugly to deal with optional quotation marks */
 537           if (regmatch[2].rm_so > 0) {
 538                type = strndup(line + regmatch[2].rm_so,
 539                               regmatch[2].rm_eo - regmatch[2].rm_so);
 540           } else {
 541                type = strndup(line + regmatch[3].rm_so,
 542                               regmatch[3].rm_eo - regmatch[3].rm_so);
 543           }
 544           if (regmatch[5].rm_so > 0) {
 545                name = strndup(line + regmatch[5].rm_so,
 546                               regmatch[5].rm_eo - regmatch[5].rm_so);
 547           } else {
 548                name = strndup(line + regmatch[6].rm_so,
 549                               regmatch[6].rm_eo - regmatch[6].rm_so);
 550           }
 551           if (regmatch[8].rm_so > 0) {
 552                value = strndup(line + regmatch[8].rm_so,
 553                                regmatch[8].rm_eo - regmatch[8].rm_so);
 554           } else {
 555                value = strndup(line + regmatch[9].rm_so,
 556                                regmatch[9].rm_eo - regmatch[9].rm_so);
 557           }
 558           extra = NULL;
 559           if (regmatch[11].rm_so > 0) {
 560                extra = strndup (line + regmatch[11].rm_so,
 561                                 regmatch[11].rm_eo - regmatch[11].rm_so);
 562           }
 563
 564           /* We use the tmp_dest_nv_pair_list below instead of
 565              conf->pkg_dest_list because we might encounter an
 566              offline_root option later and that would invalidate the
 567              directories we would have computed in
 568              pkg_dest_list_init. (We do a similar thing with
 569              tmp_src_nv_pair_list for sake of symmetry.) */
 570           if (strcmp(type, "option") == 0) {
 571                opkg_conf_set_option(options, name, value);
 572           } else if (strcmp(type, "src") == 0) {
 573                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 574                     pkg_src_list_append (pkg_src_list, name, value, extra, 0);
 575                } else {
 576                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 577                                  name, value);
 578                }
 579           } else if (strcmp(type, "src/gz") == 0) {
 580                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 581                     pkg_src_list_append (pkg_src_list, name, value, extra, 1);
 582                } else {
 583                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 584                                  name, value);
 585                }
 586           } else if (strcmp(type, "dest") == 0) {
 587                nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
 588           } else if (strcmp(type, "lists_dir") == 0) {
 589                *lists_dir = realloc(*lists_dir,strlen(value)+1);
 590                if (*lists_dir == NULL) {
 591                     opkg_message(conf, OPKG_ERROR, "ERROR: Not enough memory\n");
 592                     free(options);
 593                     return EINVAL;
 594                }
 595                sprintf (*lists_dir,"%s",value);
 596           } else if (strcmp(type, "arch") == 0) {
 597                opkg_message(conf, OPKG_INFO, "supported arch %s priority (%s)\n", name, value);
 598                if (!value) {
 599                     opkg_message(conf, OPKG_NOTICE, "defaulting architecture %s priority to 10\n", name);
 600                     value = strdup("10");
 601                }
 602                nv_pair_list_append(&conf->arch_list, name, value);
 603           } else {
 604                fprintf(stderr, "WARNING: Ignoring unknown configuration "
 605                        "parameter: %s %s %s\n", type, name, value);
 606                free(options);
 607                return EINVAL;
 608           }
 609
 610           free(type);
 611           free(name);
 612           free(value);
 613           if (extra)
 614                free (extra);
 615
 616      NEXT_LINE:
 617           free(line);
 618      }
 619
 620      free(options);
 621      regfree(&comment_re);
 622      regfree(&valid_line_re);
 623      fclose(file);
 624
 625      return 0;
 626 }
 627
 628 static int opkg_conf_set_option(const opkg_option_t *options,
 629                                 const char *name, const char *value)
 630 {
 631      int i = 0;
 632      while (options[i].name) {
 633           if (strcmp(options[i].name, name) == 0) {
 634                switch (options[i].type) {
 635                case OPKG_OPT_TYPE_BOOL:
 636                     *((int *)options[i].value) = 1;
 637                     return 0;
 638                case OPKG_OPT_TYPE_INT:
 639                     if (value) {
 640                          *((int *)options[i].value) = atoi(value);
 641                          return 0;
 642                     } else {
 643                          printf("%s: Option %s need an argument\n",
 644                                 __FUNCTION__, name);
 645                          return EINVAL;
 646                     }
 647                case OPKG_OPT_TYPE_STRING:
 648                     if (value) {
 649                          *((char **)options[i].value) = strdup(value);
 650                          return 0;
 651                     } else {
 652                          printf("%s: Option %s need an argument\n",
 653                                 __FUNCTION__, name);
 654                          return EINVAL;
 655                     }
 656                }
 657           }
 658           i++;
 659      }
 660
 661      fprintf(stderr, "%s: Unrecognized option: %s=%s\n",
 662              __FUNCTION__, name, value);
 663      return EINVAL;
 664 }
 665
 666 int opkg_conf_write_status_files(opkg_conf_t *conf)
 667 {
 668      pkg_dest_t *dest;
 669      pkg_vec_t *all;
 670      pkg_t *pkg;
 671      int i;
 672      int err;
 673      FILE * status_file=NULL;
 674
 675      if (conf->noaction)
 676           return 0;
 677
 678      dest = (pkg_dest_t *)void_list_first(&conf->pkg_dest_list)->data;
 679      status_file = fopen(dest->status_file_tmp_name, "w");
 680      if (status_file == NULL) {
 681          fprintf(stderr, "%s: Can't open status file: %s for writing: %s\n",
 682                  __FUNCTION__, dest->status_file_tmp_name, strerror(errno));
 683      }
 684
 685      all = pkg_vec_alloc();
 686      pkg_hash_fetch_available(&conf->pkg_hash, all);
 687
 688      for(i = 0; i < all->len; i++) {
 689           pkg = all->pkgs[i];
 690           /* We don't need most uninstalled packages in the status file */
 691           if (pkg->state_status == SS_NOT_INSTALLED
 692               && (pkg->state_want == SW_UNKNOWN
 693                   || pkg->state_want == SW_DEINSTALL
 694                   || pkg->state_want == SW_PURGE)) {
 695                continue;
 696           }
 697           if (!pkg) {
 698             fprintf(stderr, "Null package\n");
 699           }
 700           if (pkg->dest == NULL) {
 701                fprintf(stderr, "%s: ERROR: Can't write status for "
 702                        "package %s since it has a NULL dest\n",
 703                        __FUNCTION__, pkg->name);
 704                continue;
 705           }
 706           if (status_file) {
 707                pkg_print_status(pkg, status_file);
 708           }
 709      }
 710
 711      pkg_vec_free(all);
 712
 713      if (status_file) {
 714          err = ferror(status_file);
 715          fclose(status_file);
 716          if (!err) {
 717              file_move(dest->status_file_tmp_name, dest->status_file_name);
 718          } else {
 719              fprintf(stderr, "%s: ERROR: An error has occurred writing %s, "
 720                      "retaining old %s\n", __FUNCTION__,
 721                      dest->status_file_tmp_name, dest->status_file_name);
 722          }
 723          status_file = NULL;
 724      }
 725      return 0;
 726 }
 727
 728
 729 char *root_filename_alloc(opkg_conf_t *conf, char *filename)
 730 {
 731      char *root_filename;
 732      sprintf_alloc(&root_filename, "%s%s", (conf->offline_root ? conf->offline_root : ""), filename);
 733      return root_filename;
 734 }