libopkg/opkg_conf.c

   1 /* opkg_conf.c - the opkg package management system
   2
   3    Copyright (C) 2009 Ubiq Technologies <graham.gower@gmail.com>
   4
   5    Carl D. Worth
   6    Copyright (C) 2001 University of Southern California
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2, or (at
  11    your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17 */
  18
  19 #include <stdio.h>
  20 #include <sys/types.h>
  21 #include <sys/stat.h>
  22 #include <fcntl.h>
  23 #include <glob.h>
  24 #include <unistd.h>
  25
  26 #include "opkg_conf.h"
  27 #include "pkg_vec.h"
  28 #include "pkg.h"
  29 #include "xregex.h"
  30 #include "sprintf_alloc.h"
  31 #include "opkg_message.h"
  32 #include "file_util.h"
  33 #include "opkg_defines.h"
  34 #include "libbb/libbb.h"
  35
  36 static int lock_fd;
  37 static char *lock_file = NULL;
  38
  39 static opkg_conf_t _conf;
  40 opkg_conf_t *conf = &_conf;
  41
  42 /*
  43  * Config file options
  44  */
  45 opkg_option_t options[] = {
  46         {"cache", OPKG_OPT_TYPE_STRING, &_conf.cache},
  47         {"force_defaults", OPKG_OPT_TYPE_BOOL, &_conf.force_defaults},
  48         {"force_maintainer", OPKG_OPT_TYPE_BOOL, &_conf.force_maintainer},
  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         {"force_postinstall", OPKG_OPT_TYPE_BOOL, &_conf.force_postinstall},
  55         {"force_checksum", OPKG_OPT_TYPE_BOOL, &_conf.force_checksum},
  56         {"check_signature", OPKG_OPT_TYPE_BOOL, &_conf.check_signature},
  57         {"ftp_proxy", OPKG_OPT_TYPE_STRING, &_conf.ftp_proxy},
  58         {"http_proxy", OPKG_OPT_TYPE_STRING, &_conf.http_proxy},
  59         {"no_proxy", OPKG_OPT_TYPE_STRING, &_conf.no_proxy},
  60         {"test", OPKG_OPT_TYPE_BOOL, &_conf.noaction},
  61         {"noaction", OPKG_OPT_TYPE_BOOL, &_conf.noaction},
  62         {"download_only", OPKG_OPT_TYPE_BOOL, &_conf.download_only},
  63         {"nodeps", OPKG_OPT_TYPE_BOOL, &_conf.nodeps},
  64         {"nocase", OPKG_OPT_TYPE_BOOL, &_conf.nocase},
  65         {"offline_root", OPKG_OPT_TYPE_STRING, &_conf.offline_root},
  66         {"overlay_root", OPKG_OPT_TYPE_STRING, &_conf.overlay_root},
  67         {"proxy_passwd", OPKG_OPT_TYPE_STRING, &_conf.proxy_passwd},
  68         {"proxy_user", OPKG_OPT_TYPE_STRING, &_conf.proxy_user},
  69         {"query-all", OPKG_OPT_TYPE_BOOL, &_conf.query_all},
  70         {"size", OPKG_OPT_TYPE_BOOL, &_conf.size},
  71         {"tmp_dir", OPKG_OPT_TYPE_STRING, &_conf.tmp_dir},
  72         {"verbosity", OPKG_OPT_TYPE_INT, &_conf.verbosity},
  73 #if defined(HAVE_OPENSSL)
  74         {"signature_ca_file", OPKG_OPT_TYPE_STRING, &_conf.signature_ca_file},
  75         {"signature_ca_path", OPKG_OPT_TYPE_STRING, &_conf.signature_ca_path},
  76 #endif
  77 #if defined(HAVE_PATHFINDER)
  78         {"check_x509_path", OPKG_OPT_TYPE_BOOL, &_conf.check_x509_path},
  79 #endif
  80 #if defined(HAVE_SSLCURL) && defined(HAVE_CURL)
  81         {"ssl_engine", OPKG_OPT_TYPE_STRING, &_conf.ssl_engine},
  82         {"ssl_cert", OPKG_OPT_TYPE_STRING, &_conf.ssl_cert},
  83         {"ssl_cert_type", OPKG_OPT_TYPE_STRING, &_conf.ssl_cert_type},
  84         {"ssl_key", OPKG_OPT_TYPE_STRING, &_conf.ssl_key},
  85         {"ssl_key_type", OPKG_OPT_TYPE_STRING, &_conf.ssl_key_type},
  86         {"ssl_key_passwd", OPKG_OPT_TYPE_STRING, &_conf.ssl_key_passwd},
  87         {"ssl_ca_file", OPKG_OPT_TYPE_STRING, &_conf.ssl_ca_file},
  88         {"ssl_ca_path", OPKG_OPT_TYPE_STRING, &_conf.ssl_ca_path},
  89         {"ssl_dont_verify_peer", OPKG_OPT_TYPE_BOOL,
  90          &_conf.ssl_dont_verify_peer},
  91 #endif
  92         {NULL, 0, NULL}
  93 };
  94
  95 static int resolve_pkg_dest_list(void)
  96 {
  97         nv_pair_list_elt_t *iter;
  98         nv_pair_t *nv_pair;
  99         pkg_dest_t *dest;
 100         char *root_dir;
 101
 102         for (iter = nv_pair_list_first(&conf->tmp_dest_list); iter;
 103              iter = nv_pair_list_next(&conf->tmp_dest_list, iter)) {
 104                 nv_pair = (nv_pair_t *) iter->data;
 105
 106                 if (conf->offline_root) {
 107                         sprintf_alloc(&root_dir, "%s%s", conf->offline_root,
 108                                       nv_pair->value);
 109                 } else {
 110                         root_dir = xstrdup(nv_pair->value);
 111                 }
 112
 113                 dest =
 114                     pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name,
 115                                          root_dir, conf->lists_dir);
 116                 free(root_dir);
 117
 118                 if (conf->default_dest == NULL)
 119                         conf->default_dest = dest;
 120
 121                 if (conf->dest_str && !strcmp(dest->name, conf->dest_str)) {
 122                         conf->default_dest = dest;
 123                         conf->restrict_to_default_dest = 1;
 124                 }
 125         }
 126
 127         if (conf->dest_str && !conf->restrict_to_default_dest) {
 128                 opkg_msg(ERROR, "Unknown dest name: `%s'.\n", conf->dest_str);
 129                 return -1;
 130         }
 131
 132         return 0;
 133 }
 134
 135 static int opkg_conf_set_option(const char *name, const char *value)
 136 {
 137         int i = 0;
 138
 139         while (options[i].name) {
 140                 if (strcmp(options[i].name, name) == 0) {
 141                         switch (options[i].type) {
 142                         case OPKG_OPT_TYPE_BOOL:
 143                                 if (*(int *)options[i].value) {
 144                                         opkg_msg(ERROR,
 145                                                  "Duplicate boolean option %s, "
 146                                                  "leaving this option on.\n",
 147                                                  name);
 148                                         return 0;
 149                                 }
 150                                 *((int *const)options[i].value) = 1;
 151                                 return 0;
 152                         case OPKG_OPT_TYPE_INT:
 153                                 if (value) {
 154                                         if (*(int *)options[i].value) {
 155                                                 opkg_msg(ERROR,
 156                                                          "Duplicate option %s, "
 157                                                          "using first seen value \"%d\".\n",
 158                                                          name,
 159                                                          *((int *)options[i].
 160                                                            value));
 161                                                 return 0;
 162                                         }
 163                                         *((int *const)options[i].value) =
 164                                             atoi(value);
 165                                         return 0;
 166                                 } else {
 167                                         opkg_msg(ERROR,
 168                                                  "Option %s needs an argument\n",
 169                                                  name);
 170                                         return -1;
 171                                 }
 172                         case OPKG_OPT_TYPE_STRING:
 173                                 if (value) {
 174                                         if (*(char **)options[i].value) {
 175                                                 opkg_msg(ERROR,
 176                                                          "Duplicate option %s, "
 177                                                          "using first seen value \"%s\".\n",
 178                                                          name,
 179                                                          *((char **)options[i].
 180                                                            value));
 181                                                 return 0;
 182                                         }
 183                                         *((char **const)options[i].value) =
 184                                             xstrdup(value);
 185                                         return 0;
 186                                 } else {
 187                                         opkg_msg(ERROR,
 188                                                  "Option %s needs an argument\n",
 189                                                  name);
 190                                         return -1;
 191                                 }
 192                         }
 193                 }
 194                 i++;
 195         }
 196
 197         opkg_msg(ERROR, "Unrecognized option: %s=%s\n", name, value);
 198         return -1;
 199 }
 200
 201 static int
 202 opkg_conf_parse_file(const char *filename,
 203                      pkg_src_list_t * pkg_src_list,
 204                      pkg_src_list_t * dist_src_list)
 205 {
 206         int line_num = 0;
 207         int err = 0;
 208         FILE *file;
 209         regex_t valid_line_re, comment_re;
 210 #define regmatch_size 14
 211         regmatch_t regmatch[regmatch_size];
 212
 213         file = fopen(filename, "r");
 214         if (file == NULL) {
 215                 opkg_perror(ERROR, "Failed to open %s", filename);
 216                 err = -1;
 217                 goto err0;
 218         }
 219
 220         opkg_msg(INFO, "Loading conf file %s.\n", filename);
 221
 222         err = xregcomp(&comment_re,
 223                        "^[[:space:]]*(#.*|[[:space:]]*)$", REG_EXTENDED);
 224         if (err)
 225                 goto err1;
 226
 227         err = xregcomp(&valid_line_re,
 228                        "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
 229                        "[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
 230                        "[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
 231                        "([[:space:]]+([^[:space:]]+))?([[:space:]]+(.*))?[[:space:]]*$",
 232                        REG_EXTENDED);
 233         if (err)
 234                 goto err2;
 235
 236         while (1) {
 237                 char *line;
 238                 char *type, *name, *value, *extra;
 239
 240                 line_num++;
 241
 242                 line = file_read_line_alloc(file);
 243                 if (line == NULL)
 244                         break;
 245
 246                 if (regexec(&comment_re, line, 0, 0, 0) == 0)
 247                         goto NEXT_LINE;
 248
 249                 if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) ==
 250                     REG_NOMATCH) {
 251                         opkg_msg(ERROR, "%s:%d: Ignoring invalid line: `%s'\n",
 252                                  filename, line_num, line);
 253                         goto NEXT_LINE;
 254                 }
 255
 256                 /* This has to be so ugly to deal with optional quotation marks */
 257                 if (regmatch[2].rm_so > 0) {
 258                         type = xstrndup(line + regmatch[2].rm_so,
 259                                         regmatch[2].rm_eo - regmatch[2].rm_so);
 260                 } else {
 261                         type = xstrndup(line + regmatch[3].rm_so,
 262                                         regmatch[3].rm_eo - regmatch[3].rm_so);
 263                 }
 264
 265                 if (regmatch[5].rm_so > 0) {
 266                         name = xstrndup(line + regmatch[5].rm_so,
 267                                         regmatch[5].rm_eo - regmatch[5].rm_so);
 268                 } else {
 269                         name = xstrndup(line + regmatch[6].rm_so,
 270                                         regmatch[6].rm_eo - regmatch[6].rm_so);
 271                 }
 272
 273                 if (regmatch[8].rm_so > 0) {
 274                         value = xstrndup(line + regmatch[8].rm_so,
 275                                          regmatch[8].rm_eo - regmatch[8].rm_so);
 276                 } else {
 277                         value = xstrndup(line + regmatch[9].rm_so,
 278                                          regmatch[9].rm_eo - regmatch[9].rm_so);
 279                 }
 280
 281                 extra = NULL;
 282                 if (regmatch[11].rm_so > 0) {
 283                         if (regmatch[13].rm_so > 0
 284                             && regmatch[13].rm_so != regmatch[13].rm_eo)
 285                                 extra =
 286                                     xstrndup(line + regmatch[11].rm_so,
 287                                              regmatch[13].rm_eo -
 288                                              regmatch[11].rm_so);
 289                         else
 290                                 extra = xstrndup(line + regmatch[11].rm_so,
 291                                                  regmatch[11].rm_eo -
 292                                                  regmatch[11].rm_so);
 293                 }
 294
 295                 if (regmatch[13].rm_so != regmatch[13].rm_eo
 296                     && strncmp(type, "dist", 4) != 0) {
 297                         opkg_msg(ERROR,
 298                                  "%s:%d: Ignoring config line with trailing garbage: `%s'\n",
 299                                  filename, line_num, line);
 300                 } else {
 301
 302                         /* We use the conf->tmp_dest_list below instead of
 303                            conf->pkg_dest_list because we might encounter an
 304                            offline_root option later and that would invalidate the
 305                            directories we would have computed in
 306                            pkg_dest_list_init. (We do a similar thing with
 307                            tmp_src_nv_pair_list for sake of symmetry.) */
 308                         if (strcmp(type, "option") == 0) {
 309                                 opkg_conf_set_option(name, value);
 310                         } else if (strcmp(type, "dist") == 0) {
 311                                 if (!nv_pair_list_find
 312                                     ((nv_pair_list_t *) dist_src_list, name)) {
 313                                         pkg_src_list_append(dist_src_list, name,
 314                                                             value, extra, 0);
 315                                 } else {
 316                                         opkg_msg(ERROR,
 317                                                  "Duplicate dist declaration (%s %s). "
 318                                                  "Skipping.\n", name, value);
 319                                 }
 320                         } else if (strcmp(type, "dist/gz") == 0) {
 321                                 if (!nv_pair_list_find
 322                                     ((nv_pair_list_t *) dist_src_list, name)) {
 323                                         pkg_src_list_append(dist_src_list, name,
 324                                                             value, extra, 1);
 325                                 } else {
 326                                         opkg_msg(ERROR,
 327                                                  "Duplicate dist declaration (%s %s). "
 328                                                  "Skipping.\n", name, value);
 329                                 }
 330                         } else if (strcmp(type, "src") == 0) {
 331                                 if (!nv_pair_list_find
 332                                     ((nv_pair_list_t *) pkg_src_list, name)) {
 333                                         pkg_src_list_append(pkg_src_list, name,
 334                                                             value, extra, 0);
 335                                 } else {
 336                                         opkg_msg(ERROR,
 337                                                  "Duplicate src declaration (%s %s). "
 338                                                  "Skipping.\n", name, value);
 339                                 }
 340                         } else if (strcmp(type, "src/gz") == 0) {
 341                                 if (!nv_pair_list_find
 342                                     ((nv_pair_list_t *) pkg_src_list, name)) {
 343                                         pkg_src_list_append(pkg_src_list, name,
 344                                                             value, extra, 1);
 345                                 } else {
 346                                         opkg_msg(ERROR,
 347                                                  "Duplicate src declaration (%s %s). "
 348                                                  "Skipping.\n", name, value);
 349                                 }
 350                         } else if (strcmp(type, "dest") == 0) {
 351                                 nv_pair_list_append(&conf->tmp_dest_list, name,
 352                                                     value);
 353                         } else if (strcmp(type, "lists_dir") == 0) {
 354                                 conf->lists_dir = xstrdup(value);
 355                         } else if (strcmp(type, "arch") == 0) {
 356                                 opkg_msg(INFO,
 357                                          "Supported arch %s priority (%s)\n",
 358                                          name, value);
 359                                 if (!value) {
 360                                         opkg_msg(NOTICE,
 361                                                  "No priority given for architecture %s,"
 362                                                  "defaulting to 10\n", name);
 363                                         value = xstrdup("10");
 364                                 }
 365                                 nv_pair_list_append(&conf->arch_list, name,
 366                                                     value);
 367                         } else {
 368                                 opkg_msg(ERROR,
 369                                          "%s:%d: Ignoring invalid line: `%s'\n",
 370                                          filename, line_num, line);
 371                         }
 372
 373                 }
 374
 375                 free(type);
 376                 free(name);
 377                 free(value);
 378                 if (extra)
 379                         free(extra);
 380
 381 NEXT_LINE:
 382                 free(line);
 383         }
 384
 385         regfree(&valid_line_re);
 386 err2:
 387         regfree(&comment_re);
 388 err1:
 389         if (fclose(file) == EOF) {
 390                 opkg_perror(ERROR, "Couldn't close %s", filename);
 391                 err = -1;
 392         }
 393 err0:
 394         return err;
 395 }
 396
 397 int opkg_conf_write_status_files(void)
 398 {
 399         pkg_dest_list_elt_t *iter;
 400         pkg_dest_t *dest;
 401         pkg_vec_t *all;
 402         pkg_t *pkg;
 403         int i, ret = 0;
 404
 405         if (conf->noaction)
 406                 return 0;
 407
 408         list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 409                 dest = (pkg_dest_t *) iter->data;
 410
 411                 dest->status_fp = fopen(dest->status_file_name, "w");
 412                 if (dest->status_fp == NULL && errno != EROFS) {
 413                         opkg_perror(ERROR, "Can't open status file %s",
 414                                     dest->status_file_name);
 415                         ret = -1;
 416                 }
 417         }
 418
 419         all = pkg_vec_alloc();
 420         pkg_hash_fetch_available(all);
 421
 422         for (i = 0; i < all->len; i++) {
 423                 pkg = all->pkgs[i];
 424                 /* We don't need most uninstalled packages in the status file */
 425                 if (pkg->state_status == SS_NOT_INSTALLED
 426                     && (pkg->state_want == SW_UNKNOWN
 427                         || (pkg->state_want == SW_DEINSTALL
 428                             && pkg->state_flag != SF_HOLD)
 429                         || pkg->state_want == SW_PURGE)) {
 430                         continue;
 431                 }
 432                 if (pkg->dest == NULL) {
 433                         opkg_msg(ERROR,
 434                                  "Internal error: package %s has a NULL dest\n",
 435                                  pkg->name);
 436                         continue;
 437                 }
 438                 if (pkg->dest->status_fp)
 439                         pkg_print_status(pkg, pkg->dest->status_fp);
 440         }
 441
 442         pkg_vec_free(all);
 443
 444         list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 445                 dest = (pkg_dest_t *) iter->data;
 446                 if (dest->status_fp && fclose(dest->status_fp) == EOF) {
 447                         opkg_perror(ERROR, "Couldn't close %s",
 448                                     dest->status_file_name);
 449                         ret = -1;
 450                 }
 451         }
 452
 453         return ret;
 454 }
 455
 456 char *root_filename_alloc(char *filename)
 457 {
 458         char *root_filename;
 459         sprintf_alloc(&root_filename, "%s%s",
 460                       (conf->offline_root ? conf->offline_root : ""), filename);
 461         return root_filename;
 462 }
 463
 464 static int glob_errfunc(const char *epath, int eerrno)
 465 {
 466         if (eerrno == ENOENT)
 467                 /* If leading dir does not exist, we get GLOB_NOMATCH. */
 468                 return 0;
 469
 470         opkg_msg(ERROR, "glob failed for %s: %s\n", epath, strerror(eerrno));
 471         return 0;
 472 }
 473
 474 int opkg_conf_init(void)
 475 {
 476         pkg_src_list_init(&conf->pkg_src_list);
 477         pkg_src_list_init(&conf->dist_src_list);
 478         pkg_dest_list_init(&conf->pkg_dest_list);
 479         pkg_dest_list_init(&conf->tmp_dest_list);
 480         nv_pair_list_init(&conf->arch_list);
 481
 482         return 0;
 483 }
 484
 485 int opkg_conf_load(void)
 486 {
 487         int i, glob_ret;
 488         char *tmp, *tmp_dir_base, **tmp_val;
 489         glob_t globbuf;
 490         char *etc_opkg_conf_pattern;
 491
 492         conf->restrict_to_default_dest = 0;
 493         conf->default_dest = NULL;
 494 #if defined(HAVE_PATHFINDER)
 495         conf->check_x509_path = 1;
 496 #endif
 497
 498         if (!conf->offline_root)
 499                 conf->offline_root = xstrdup(getenv("OFFLINE_ROOT"));
 500
 501         if (conf->conf_file) {
 502                 struct stat st;
 503                 if (stat(conf->conf_file, &st) == -1) {
 504                         opkg_perror(ERROR, "Couldn't stat %s", conf->conf_file);
 505                         goto err0;
 506                 }
 507                 if (opkg_conf_parse_file(conf->conf_file,
 508                                          &conf->pkg_src_list,
 509                                          &conf->dist_src_list))
 510                         goto err1;
 511         }
 512
 513         if (conf->offline_root)
 514                 sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf",
 515                               conf->offline_root);
 516         else {
 517                 const char *conf_file_dir = getenv("OPKG_CONF_DIR");
 518                 if (conf_file_dir == NULL)
 519                         conf_file_dir = OPKG_CONF_DEFAULT_CONF_FILE_DIR;
 520                 sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf",
 521                               conf_file_dir);
 522         }
 523
 524         memset(&globbuf, 0, sizeof(globbuf));
 525         glob_ret = glob(etc_opkg_conf_pattern, 0, glob_errfunc, &globbuf);
 526         if (glob_ret && glob_ret != GLOB_NOMATCH) {
 527                 free(etc_opkg_conf_pattern);
 528                 globfree(&globbuf);
 529                 goto err1;
 530         }
 531
 532         free(etc_opkg_conf_pattern);
 533
 534         for (i = 0; i < globbuf.gl_pathc; i++) {
 535                 if (globbuf.gl_pathv[i])
 536                         if (conf->conf_file &&
 537                             !strcmp(conf->conf_file, globbuf.gl_pathv[i]))
 538                                 continue;
 539                 if (opkg_conf_parse_file(globbuf.gl_pathv[i],
 540                                          &conf->pkg_src_list,
 541                                          &conf->dist_src_list) < 0) {
 542                         globfree(&globbuf);
 543                         goto err1;
 544                 }
 545         }
 546
 547         globfree(&globbuf);
 548
 549         if (conf->offline_root)
 550                 sprintf_alloc(&lock_file, "%s/%s", conf->offline_root,
 551                               OPKGLOCKFILE);
 552         else
 553                 sprintf_alloc(&lock_file, "%s", OPKGLOCKFILE);
 554
 555         lock_fd = creat(lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
 556         if (lock_fd == -1) {
 557                 opkg_perror(ERROR, "Could not create lock file %s", lock_file);
 558                 goto err2;
 559         }
 560
 561         if (lockf(lock_fd, F_TLOCK, (off_t) 0) == -1) {
 562                 opkg_perror(ERROR, "Could not lock %s", lock_file);
 563                 if (close(lock_fd) == -1)
 564                         opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
 565                                     lock_fd, lock_file);
 566                 lock_fd = -1;
 567                 goto err2;
 568         }
 569
 570         if (conf->tmp_dir)
 571                 tmp_dir_base = conf->tmp_dir;
 572         else
 573                 tmp_dir_base = getenv("TMPDIR");
 574
 575         sprintf_alloc(&tmp, "%s/%s",
 576                       tmp_dir_base ? tmp_dir_base :
 577                       OPKG_CONF_DEFAULT_TMP_DIR_BASE, OPKG_CONF_TMP_DIR_SUFFIX);
 578         if (conf->tmp_dir)
 579                 free(conf->tmp_dir);
 580         conf->tmp_dir = mkdtemp(tmp);
 581         if (conf->tmp_dir == NULL) {
 582                 opkg_perror(ERROR, "Creating temp dir %s failed", tmp);
 583                 goto err3;
 584         }
 585
 586         pkg_hash_init();
 587         hash_table_init("file-hash", &conf->file_hash,
 588                         OPKG_CONF_DEFAULT_HASH_LEN);
 589         hash_table_init("obs-file-hash", &conf->obs_file_hash,
 590                         OPKG_CONF_DEFAULT_HASH_LEN / 16);
 591
 592         if (conf->lists_dir == NULL)
 593                 conf->lists_dir = xstrdup(OPKG_CONF_LISTS_DIR);
 594
 595         if (conf->offline_root) {
 596                 sprintf_alloc(&tmp, "%s/%s", conf->offline_root,
 597                               conf->lists_dir);
 598                 free(conf->lists_dir);
 599                 conf->lists_dir = tmp;
 600         }
 601
 602         /* if no architectures were defined, then default all, noarch, and host architecture */
 603         if (nv_pair_list_empty(&conf->arch_list)) {
 604                 nv_pair_list_append(&conf->arch_list, "all", "1");
 605                 nv_pair_list_append(&conf->arch_list, "noarch", "1");
 606                 nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 607         }
 608
 609         /* Even if there is no conf file, we'll need at least one dest. */
 610         if (nv_pair_list_empty(&conf->tmp_dest_list)) {
 611                 nv_pair_list_append(&conf->tmp_dest_list,
 612                                     OPKG_CONF_DEFAULT_DEST_NAME,
 613                                     OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 614         }
 615
 616         if (resolve_pkg_dest_list())
 617                 goto err4;
 618
 619         nv_pair_list_deinit(&conf->tmp_dest_list);
 620
 621         return 0;
 622
 623 err4:
 624         free(conf->lists_dir);
 625
 626         pkg_hash_deinit();
 627         hash_table_deinit(&conf->file_hash);
 628         hash_table_deinit(&conf->obs_file_hash);
 629
 630         if (rmdir(conf->tmp_dir) == -1)
 631                 opkg_perror(ERROR, "Couldn't remove dir %s", conf->tmp_dir);
 632 err3:
 633         if (lockf(lock_fd, F_ULOCK, (off_t) 0) == -1)
 634                 opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
 635
 636         if (close(lock_fd) == -1)
 637                 opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
 638                             lock_fd, lock_file);
 639         if (unlink(lock_file) == -1)
 640                 opkg_perror(ERROR, "Couldn't unlink %s", lock_file);
 641 err2:
 642         if (lock_file) {
 643                 free(lock_file);
 644                 lock_file = NULL;
 645         }
 646 err1:
 647         pkg_src_list_deinit(&conf->pkg_src_list);
 648         pkg_src_list_deinit(&conf->dist_src_list);
 649         pkg_dest_list_deinit(&conf->pkg_dest_list);
 650         nv_pair_list_deinit(&conf->arch_list);
 651
 652         for (i = 0; options[i].name; i++) {
 653                 if (options[i].type == OPKG_OPT_TYPE_STRING) {
 654                         tmp_val = (char **)options[i].value;
 655                         if (*tmp_val) {
 656                                 free(*tmp_val);
 657                                 *tmp_val = NULL;
 658                         }
 659                 }
 660         }
 661 err0:
 662         nv_pair_list_deinit(&conf->tmp_dest_list);
 663         if (conf->dest_str)
 664                 free(conf->dest_str);
 665         if (conf->conf_file)
 666                 free(conf->conf_file);
 667
 668         return -1;
 669 }
 670
 671 void opkg_conf_deinit(void)
 672 {
 673         int i;
 674         char **tmp;
 675
 676         if (conf->tmp_dir)
 677                 rm_r(conf->tmp_dir);
 678
 679         if (conf->lists_dir)
 680                 free(conf->lists_dir);
 681
 682         if (conf->dest_str)
 683                 free(conf->dest_str);
 684
 685         if (conf->conf_file)
 686                 free(conf->conf_file);
 687
 688         pkg_src_list_deinit(&conf->pkg_src_list);
 689         pkg_src_list_deinit(&conf->dist_src_list);
 690         pkg_dest_list_deinit(&conf->pkg_dest_list);
 691         nv_pair_list_deinit(&conf->arch_list);
 692
 693         for (i = 0; options[i].name; i++) {
 694                 if (options[i].type == OPKG_OPT_TYPE_STRING) {
 695                         tmp = (char **)options[i].value;
 696                         if (*tmp) {
 697                                 free(*tmp);
 698                                 *tmp = NULL;
 699                         }
 700                 }
 701         }
 702
 703         if (conf->verbosity >= DEBUG) {
 704                 hash_print_stats(&conf->pkg_hash);
 705                 hash_print_stats(&conf->file_hash);
 706                 hash_print_stats(&conf->obs_file_hash);
 707         }
 708
 709         pkg_hash_deinit();
 710         hash_table_deinit(&conf->file_hash);
 711         hash_table_deinit(&conf->obs_file_hash);
 712
 713         if (lock_fd != -1) {
 714                 if (lockf(lock_fd, F_ULOCK, (off_t) 0) == -1)
 715                         opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
 716
 717                 if (close(lock_fd) == -1)
 718                         opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
 719                                     lock_fd, lock_file);
 720
 721         }
 722
 723         if (lock_file) {
 724                 if (unlink(lock_file) == -1)
 725                         opkg_perror(ERROR, "Couldn't unlink %s", lock_file);
 726
 727                 free(lock_file);
 728         }
 729 }