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 "config.h"
  20
  21 #include <stdio.h>
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <fcntl.h>
  25 #include <glob.h>
  26 #include <unistd.h>
  27
  28 #include "opkg_conf.h"
  29 #include "pkg_vec.h"
  30 #include "pkg.h"
  31 #include "xregex.h"
  32 #include "sprintf_alloc.h"
  33 #include "opkg_message.h"
  34 #include "file_util.h"
  35 #include "opkg_defines.h"
  36 #include "libbb/libbb.h"
  37
  38 static int lock_fd;
  39 static char *lock_file = NULL;
  40
  41 static opkg_conf_t _conf;
  42 opkg_conf_t *conf = &_conf;
  43
  44 /*
  45  * Config file options
  46  */
  47 opkg_option_t options[] = {
  48         {"cache", OPKG_OPT_TYPE_STRING, &_conf.cache},
  49         {"force_defaults", OPKG_OPT_TYPE_BOOL, &_conf.force_defaults},
  50         {"force_maintainer", OPKG_OPT_TYPE_BOOL, &_conf.force_maintainer},
  51         {"force_depends", OPKG_OPT_TYPE_BOOL, &_conf.force_depends},
  52         {"force_overwrite", OPKG_OPT_TYPE_BOOL, &_conf.force_overwrite},
  53         {"force_downgrade", OPKG_OPT_TYPE_BOOL, &_conf.force_downgrade},
  54         {"force_reinstall", OPKG_OPT_TYPE_BOOL, &_conf.force_reinstall},
  55         {"force_space", OPKG_OPT_TYPE_BOOL, &_conf.force_space},
  56         {"force_postinstall", OPKG_OPT_TYPE_BOOL, &_conf.force_postinstall},
  57         {"force_checksum", OPKG_OPT_TYPE_BOOL, &_conf.force_checksum},
  58         {"check_signature", OPKG_OPT_TYPE_BOOL, &_conf.check_signature},
  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_BOOL, &_conf.noaction},
  63         {"noaction", OPKG_OPT_TYPE_BOOL, &_conf.noaction},
  64         {"download_only", OPKG_OPT_TYPE_BOOL, &_conf.download_only},
  65         {"nodeps", OPKG_OPT_TYPE_BOOL, &_conf.nodeps},
  66         {"nocase", OPKG_OPT_TYPE_BOOL, &_conf.nocase},
  67         {"offline_root", OPKG_OPT_TYPE_STRING, &_conf.offline_root},
  68         {"overlay_root", OPKG_OPT_TYPE_STRING, &_conf.overlay_root},
  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         {"size", OPKG_OPT_TYPE_BOOL, &_conf.size},
  73         {"tmp_dir", OPKG_OPT_TYPE_STRING, &_conf.tmp_dir},
  74         {"verbosity", OPKG_OPT_TYPE_INT, &_conf.verbosity},
  75 #if defined(HAVE_OPENSSL)
  76         {"signature_ca_file", OPKG_OPT_TYPE_STRING, &_conf.signature_ca_file},
  77         {"signature_ca_path", OPKG_OPT_TYPE_STRING, &_conf.signature_ca_path},
  78 #endif
  79 #if defined(HAVE_PATHFINDER)
  80         {"check_x509_path", OPKG_OPT_TYPE_BOOL, &_conf.check_x509_path},
  81 #endif
  82 #if defined(HAVE_SSLCURL) && defined(HAVE_CURL)
  83         {"ssl_engine", OPKG_OPT_TYPE_STRING, &_conf.ssl_engine},
  84         {"ssl_cert", OPKG_OPT_TYPE_STRING, &_conf.ssl_cert},
  85         {"ssl_cert_type", OPKG_OPT_TYPE_STRING, &_conf.ssl_cert_type},
  86         {"ssl_key", OPKG_OPT_TYPE_STRING, &_conf.ssl_key},
  87         {"ssl_key_type", OPKG_OPT_TYPE_STRING, &_conf.ssl_key_type},
  88         {"ssl_key_passwd", OPKG_OPT_TYPE_STRING, &_conf.ssl_key_passwd},
  89         {"ssl_ca_file", OPKG_OPT_TYPE_STRING, &_conf.ssl_ca_file},
  90         {"ssl_ca_path", OPKG_OPT_TYPE_STRING, &_conf.ssl_ca_path},
  91         {"ssl_dont_verify_peer", OPKG_OPT_TYPE_BOOL,
  92          &_conf.ssl_dont_verify_peer},
  93 #endif
  94         {NULL, 0, NULL}
  95 };
  96
  97 static int resolve_pkg_dest_list(void)
  98 {
  99         nv_pair_list_elt_t *iter;
 100         nv_pair_t *nv_pair;
 101         pkg_dest_t *dest;
 102         char *root_dir;
 103
 104         for (iter = nv_pair_list_first(&conf->tmp_dest_list); iter;
 105              iter = nv_pair_list_next(&conf->tmp_dest_list, iter)) {
 106                 nv_pair = (nv_pair_t *) iter->data;
 107
 108                 if (conf->offline_root) {
 109                         sprintf_alloc(&root_dir, "%s%s", conf->offline_root,
 110                                       nv_pair->value);
 111                 } else {
 112                         root_dir = xstrdup(nv_pair->value);
 113                 }
 114
 115                 dest =
 116                     pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name,
 117                                          root_dir, conf->lists_dir);
 118                 free(root_dir);
 119
 120                 if (conf->default_dest == NULL)
 121                         conf->default_dest = dest;
 122
 123                 if (conf->dest_str && !strcmp(dest->name, conf->dest_str)) {
 124                         conf->default_dest = dest;
 125                         conf->restrict_to_default_dest = 1;
 126                 }
 127         }
 128
 129         if (conf->dest_str && !conf->restrict_to_default_dest) {
 130                 opkg_msg(ERROR, "Unknown dest name: `%s'.\n", conf->dest_str);
 131                 return -1;
 132         }
 133
 134         return 0;
 135 }
 136
 137 static int opkg_conf_set_option(const char *name, const char *value)
 138 {
 139         int i = 0;
 140
 141         while (options[i].name) {
 142                 if (strcmp(options[i].name, name) == 0) {
 143                         switch (options[i].type) {
 144                         case OPKG_OPT_TYPE_BOOL:
 145                                 if (*(int *)options[i].value) {
 146                                         opkg_msg(ERROR,
 147                                                  "Duplicate boolean option %s, "
 148                                                  "leaving this option on.\n",
 149                                                  name);
 150                                         return 0;
 151                                 }
 152                                 *((int *const)options[i].value) = 1;
 153                                 return 0;
 154                         case OPKG_OPT_TYPE_INT:
 155                                 if (value) {
 156                                         if (*(int *)options[i].value) {
 157                                                 opkg_msg(ERROR,
 158                                                          "Duplicate option %s, "
 159                                                          "using first seen value \"%d\".\n",
 160                                                          name,
 161                                                          *((int *)options[i].
 162                                                            value));
 163                                                 return 0;
 164                                         }
 165                                         *((int *const)options[i].value) =
 166                                             atoi(value);
 167                                         return 0;
 168                                 } else {
 169                                         opkg_msg(ERROR,
 170                                                  "Option %s needs an argument\n",
 171                                                  name);
 172                                         return -1;
 173                                 }
 174                         case OPKG_OPT_TYPE_STRING:
 175                                 if (value) {
 176                                         if (*(char **)options[i].value) {
 177                                                 opkg_msg(ERROR,
 178                                                          "Duplicate option %s, "
 179                                                          "using first seen value \"%s\".\n",
 180                                                          name,
 181                                                          *((char **)options[i].
 182                                                            value));
 183                                                 return 0;
 184                                         }
 185                                         *((char **const)options[i].value) =
 186                                             xstrdup(value);
 187                                         return 0;
 188                                 } else {
 189                                         opkg_msg(ERROR,
 190                                                  "Option %s needs an argument\n",
 191                                                  name);
 192                                         return -1;
 193                                 }
 194                         }
 195                 }
 196                 i++;
 197         }
 198
 199         opkg_msg(ERROR, "Unrecognized option: %s=%s\n", name, value);
 200         return -1;
 201 }
 202
 203 static int
 204 opkg_conf_parse_file(const char *filename,
 205                      pkg_src_list_t * pkg_src_list,
 206                      pkg_src_list_t * dist_src_list)
 207 {
 208         int line_num = 0;
 209         int err = 0;
 210         FILE *file;
 211         regex_t valid_line_re, comment_re;
 212 #define regmatch_size 14
 213         regmatch_t regmatch[regmatch_size];
 214
 215         file = fopen(filename, "r");
 216         if (file == NULL) {
 217                 opkg_perror(ERROR, "Failed to open %s", filename);
 218                 err = -1;
 219                 goto err0;
 220         }
 221
 222         opkg_msg(INFO, "Loading conf file %s.\n", filename);
 223
 224         err = xregcomp(&comment_re,
 225                        "^[[:space:]]*(#.*|[[:space:]]*)$", REG_EXTENDED);
 226         if (err)
 227                 goto err1;
 228
 229         err = xregcomp(&valid_line_re,
 230                        "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
 231                        "[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
 232                        "[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))"
 233                        "([[:space:]]+([^[:space:]]+))?([[:space:]]+(.*))?[[:space:]]*$",
 234                        REG_EXTENDED);
 235         if (err)
 236                 goto err2;
 237
 238         while (1) {
 239                 char *line;
 240                 char *type, *name, *value, *extra;
 241
 242                 line_num++;
 243
 244                 line = file_read_line_alloc(file);
 245                 if (line == NULL)
 246                         break;
 247
 248                 if (regexec(&comment_re, line, 0, 0, 0) == 0)
 249                         goto NEXT_LINE;
 250
 251                 if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) ==
 252                     REG_NOMATCH) {
 253                         opkg_msg(ERROR, "%s:%d: Ignoring invalid line: `%s'\n",
 254                                  filename, line_num, line);
 255                         goto NEXT_LINE;
 256                 }
 257
 258                 /* This has to be so ugly to deal with optional quotation marks */
 259                 if (regmatch[2].rm_so > 0) {
 260                         type = xstrndup(line + regmatch[2].rm_so,
 261                                         regmatch[2].rm_eo - regmatch[2].rm_so);
 262                 } else {
 263                         type = xstrndup(line + regmatch[3].rm_so,
 264                                         regmatch[3].rm_eo - regmatch[3].rm_so);
 265                 }
 266
 267                 if (regmatch[5].rm_so > 0) {
 268                         name = xstrndup(line + regmatch[5].rm_so,
 269                                         regmatch[5].rm_eo - regmatch[5].rm_so);
 270                 } else {
 271                         name = xstrndup(line + regmatch[6].rm_so,
 272                                         regmatch[6].rm_eo - regmatch[6].rm_so);
 273                 }
 274
 275                 if (regmatch[8].rm_so > 0) {
 276                         value = xstrndup(line + regmatch[8].rm_so,
 277                                          regmatch[8].rm_eo - regmatch[8].rm_so);
 278                 } else {
 279                         value = xstrndup(line + regmatch[9].rm_so,
 280                                          regmatch[9].rm_eo - regmatch[9].rm_so);
 281                 }
 282
 283                 extra = NULL;
 284                 if (regmatch[11].rm_so > 0) {
 285                         if (regmatch[13].rm_so > 0
 286                             && regmatch[13].rm_so != regmatch[13].rm_eo)
 287                                 extra =
 288                                     xstrndup(line + regmatch[11].rm_so,
 289                                              regmatch[13].rm_eo -
 290                                              regmatch[11].rm_so);
 291                         else
 292                                 extra = xstrndup(line + regmatch[11].rm_so,
 293                                                  regmatch[11].rm_eo -
 294                                                  regmatch[11].rm_so);
 295                 }
 296
 297                 if (regmatch[13].rm_so != regmatch[13].rm_eo
 298                     && strncmp(type, "dist", 4) != 0) {
 299                         opkg_msg(ERROR,
 300                                  "%s:%d: Ignoring config line with trailing garbage: `%s'\n",
 301                                  filename, line_num, line);
 302                 } else {
 303
 304                         /* We use the conf->tmp_dest_list below instead of
 305                            conf->pkg_dest_list because we might encounter an
 306                            offline_root option later and that would invalidate the
 307                            directories we would have computed in
 308                            pkg_dest_list_init. (We do a similar thing with
 309                            tmp_src_nv_pair_list for sake of symmetry.) */
 310                         if (strcmp(type, "option") == 0) {
 311                                 opkg_conf_set_option(name, value);
 312                         } else if (strcmp(type, "dist") == 0) {
 313                                 if (!nv_pair_list_find
 314                                     ((nv_pair_list_t *) dist_src_list, name)) {
 315                                         pkg_src_list_append(dist_src_list, name,
 316                                                             value, extra, 0);
 317                                 } else {
 318                                         opkg_msg(ERROR,
 319                                                  "Duplicate dist declaration (%s %s). "
 320                                                  "Skipping.\n", name, value);
 321                                 }
 322                         } else if (strcmp(type, "dist/gz") == 0) {
 323                                 if (!nv_pair_list_find
 324                                     ((nv_pair_list_t *) dist_src_list, name)) {
 325                                         pkg_src_list_append(dist_src_list, name,
 326                                                             value, extra, 1);
 327                                 } else {
 328                                         opkg_msg(ERROR,
 329                                                  "Duplicate dist declaration (%s %s). "
 330                                                  "Skipping.\n", name, value);
 331                                 }
 332                         } else if (strcmp(type, "src") == 0) {
 333                                 if (!nv_pair_list_find
 334                                     ((nv_pair_list_t *) pkg_src_list, name)) {
 335                                         pkg_src_list_append(pkg_src_list, name,
 336                                                             value, extra, 0);
 337                                 } else {
 338                                         opkg_msg(ERROR,
 339                                                  "Duplicate src declaration (%s %s). "
 340                                                  "Skipping.\n", name, value);
 341                                 }
 342                         } else if (strcmp(type, "src/gz") == 0) {
 343                                 if (!nv_pair_list_find
 344                                     ((nv_pair_list_t *) pkg_src_list, name)) {
 345                                         pkg_src_list_append(pkg_src_list, name,
 346                                                             value, extra, 1);
 347                                 } else {
 348                                         opkg_msg(ERROR,
 349                                                  "Duplicate src declaration (%s %s). "
 350                                                  "Skipping.\n", name, value);
 351                                 }
 352                         } else if (strcmp(type, "dest") == 0) {
 353                                 nv_pair_list_append(&conf->tmp_dest_list, name,
 354                                                     value);
 355                         } else if (strcmp(type, "lists_dir") == 0) {
 356                                 conf->lists_dir = xstrdup(value);
 357                         } else if (strcmp(type, "arch") == 0) {
 358                                 opkg_msg(INFO,
 359                                          "Supported arch %s priority (%s)\n",
 360                                          name, value);
 361                                 if (!value) {
 362                                         opkg_msg(NOTICE,
 363                                                  "No priority given for architecture %s,"
 364                                                  "defaulting to 10\n", name);
 365                                         value = xstrdup("10");
 366                                 }
 367                                 nv_pair_list_append(&conf->arch_list, name,
 368                                                     value);
 369                         } else {
 370                                 opkg_msg(ERROR,
 371                                          "%s:%d: Ignoring invalid line: `%s'\n",
 372                                          filename, line_num, line);
 373                         }
 374
 375                 }
 376
 377                 free(type);
 378                 free(name);
 379                 free(value);
 380                 if (extra)
 381                         free(extra);
 382
 383 NEXT_LINE:
 384                 free(line);
 385         }
 386
 387         regfree(&valid_line_re);
 388 err2:
 389         regfree(&comment_re);
 390 err1:
 391         if (fclose(file) == EOF) {
 392                 opkg_perror(ERROR, "Couldn't close %s", filename);
 393                 err = -1;
 394         }
 395 err0:
 396         return err;
 397 }
 398
 399 int opkg_conf_write_status_files(void)
 400 {
 401         pkg_dest_list_elt_t *iter;
 402         pkg_dest_t *dest;
 403         pkg_vec_t *all;
 404         pkg_t *pkg;
 405         int i, ret = 0;
 406
 407         if (conf->noaction)
 408                 return 0;
 409
 410         list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 411                 dest = (pkg_dest_t *) iter->data;
 412
 413                 dest->status_fp = fopen(dest->status_file_name, "w");
 414                 if (dest->status_fp == NULL && errno != EROFS) {
 415                         opkg_perror(ERROR, "Can't open status file %s",
 416                                     dest->status_file_name);
 417                         ret = -1;
 418                 }
 419         }
 420
 421         all = pkg_vec_alloc();
 422         pkg_hash_fetch_available(all);
 423
 424         for (i = 0; i < all->len; i++) {
 425                 pkg = all->pkgs[i];
 426                 /* We don't need most uninstalled packages in the status file */
 427                 if (pkg->state_status == SS_NOT_INSTALLED
 428                     && (pkg->state_want == SW_UNKNOWN
 429                         || (pkg->state_want == SW_DEINSTALL
 430                             && pkg->state_flag != SF_HOLD)
 431                         || pkg->state_want == SW_PURGE)) {
 432                         continue;
 433                 }
 434                 if (pkg->dest == NULL) {
 435                         opkg_msg(ERROR,
 436                                  "Internal error: package %s has a NULL dest\n",
 437                                  pkg->name);
 438                         continue;
 439                 }
 440                 if (pkg->dest->status_fp)
 441                         pkg_print_status(pkg, pkg->dest->status_fp);
 442         }
 443
 444         pkg_vec_free(all);
 445
 446         list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
 447                 dest = (pkg_dest_t *) iter->data;
 448                 if (dest->status_fp && fclose(dest->status_fp) == EOF) {
 449                         opkg_perror(ERROR, "Couldn't close %s",
 450                                     dest->status_file_name);
 451                         ret = -1;
 452                 }
 453         }
 454
 455         return ret;
 456 }
 457
 458 char *root_filename_alloc(char *filename)
 459 {
 460         char *root_filename;
 461         sprintf_alloc(&root_filename, "%s%s",
 462                       (conf->offline_root ? conf->offline_root : ""), filename);
 463         return root_filename;
 464 }
 465
 466 static int glob_errfunc(const char *epath, int eerrno)
 467 {
 468         if (eerrno == ENOENT)
 469                 /* If leading dir does not exist, we get GLOB_NOMATCH. */
 470                 return 0;
 471
 472         opkg_msg(ERROR, "glob failed for %s: %s\n", epath, strerror(eerrno));
 473         return 0;
 474 }
 475
 476 int opkg_conf_init(void)
 477 {
 478         pkg_src_list_init(&conf->pkg_src_list);
 479         pkg_src_list_init(&conf->dist_src_list);
 480         pkg_dest_list_init(&conf->pkg_dest_list);
 481         pkg_dest_list_init(&conf->tmp_dest_list);
 482         nv_pair_list_init(&conf->arch_list);
 483
 484         return 0;
 485 }
 486
 487 int opkg_conf_load(void)
 488 {
 489         int i, glob_ret;
 490         char *tmp, *tmp_dir_base, **tmp_val;
 491         glob_t globbuf;
 492         char *etc_opkg_conf_pattern;
 493
 494         conf->restrict_to_default_dest = 0;
 495         conf->default_dest = NULL;
 496 #if defined(HAVE_PATHFINDER)
 497         conf->check_x509_path = 1;
 498 #endif
 499
 500         if (!conf->offline_root)
 501                 conf->offline_root = xstrdup(getenv("OFFLINE_ROOT"));
 502
 503         if (conf->conf_file) {
 504                 struct stat st;
 505                 if (stat(conf->conf_file, &st) == -1) {
 506                         opkg_perror(ERROR, "Couldn't stat %s", conf->conf_file);
 507                         goto err0;
 508                 }
 509                 if (opkg_conf_parse_file(conf->conf_file,
 510                                          &conf->pkg_src_list,
 511                                          &conf->dist_src_list))
 512                         goto err1;
 513         }
 514
 515         if (conf->offline_root)
 516                 sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf",
 517                               conf->offline_root);
 518         else {
 519                 const char *conf_file_dir = getenv("OPKG_CONF_DIR");
 520                 if (conf_file_dir == NULL)
 521                         conf_file_dir = OPKG_CONF_DEFAULT_CONF_FILE_DIR;
 522                 sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf",
 523                               conf_file_dir);
 524         }
 525
 526         memset(&globbuf, 0, sizeof(globbuf));
 527         glob_ret = glob(etc_opkg_conf_pattern, 0, glob_errfunc, &globbuf);
 528         if (glob_ret && glob_ret != GLOB_NOMATCH) {
 529                 free(etc_opkg_conf_pattern);
 530                 globfree(&globbuf);
 531                 goto err1;
 532         }
 533
 534         free(etc_opkg_conf_pattern);
 535
 536         for (i = 0; i < globbuf.gl_pathc; i++) {
 537                 if (globbuf.gl_pathv[i])
 538                         if (conf->conf_file &&
 539                             !strcmp(conf->conf_file, globbuf.gl_pathv[i]))
 540                                 continue;
 541                 if (opkg_conf_parse_file(globbuf.gl_pathv[i],
 542                                          &conf->pkg_src_list,
 543                                          &conf->dist_src_list) < 0) {
 544                         globfree(&globbuf);
 545                         goto err1;
 546                 }
 547         }
 548
 549         globfree(&globbuf);
 550
 551         if (conf->offline_root)
 552                 sprintf_alloc(&lock_file, "%s/%s", conf->offline_root,
 553                               OPKGLOCKFILE);
 554         else
 555                 sprintf_alloc(&lock_file, "%s", OPKGLOCKFILE);
 556
 557         lock_fd = creat(lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
 558         if (lock_fd == -1) {
 559                 opkg_perror(ERROR, "Could not create lock file %s", lock_file);
 560                 goto err2;
 561         }
 562
 563         if (lockf(lock_fd, F_TLOCK, (off_t) 0) == -1) {
 564                 opkg_perror(ERROR, "Could not lock %s", lock_file);
 565                 if (close(lock_fd) == -1)
 566                         opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
 567                                     lock_fd, lock_file);
 568                 lock_fd = -1;
 569                 goto err2;
 570         }
 571
 572         if (conf->tmp_dir)
 573                 tmp_dir_base = conf->tmp_dir;
 574         else
 575                 tmp_dir_base = getenv("TMPDIR");
 576
 577         sprintf_alloc(&tmp, "%s/%s",
 578                       tmp_dir_base ? tmp_dir_base :
 579                       OPKG_CONF_DEFAULT_TMP_DIR_BASE, OPKG_CONF_TMP_DIR_SUFFIX);
 580         if (conf->tmp_dir)
 581                 free(conf->tmp_dir);
 582         conf->tmp_dir = mkdtemp(tmp);
 583         if (conf->tmp_dir == NULL) {
 584                 opkg_perror(ERROR, "Creating temp dir %s failed", tmp);
 585                 goto err3;
 586         }
 587
 588         pkg_hash_init();
 589         hash_table_init("file-hash", &conf->file_hash,
 590                         OPKG_CONF_DEFAULT_HASH_LEN);
 591         hash_table_init("obs-file-hash", &conf->obs_file_hash,
 592                         OPKG_CONF_DEFAULT_HASH_LEN / 16);
 593
 594         if (conf->lists_dir == NULL)
 595                 conf->lists_dir = xstrdup(OPKG_CONF_LISTS_DIR);
 596
 597         if (conf->offline_root) {
 598                 sprintf_alloc(&tmp, "%s/%s", conf->offline_root,
 599                               conf->lists_dir);
 600                 free(conf->lists_dir);
 601                 conf->lists_dir = tmp;
 602         }
 603
 604         /* if no architectures were defined, then default all, noarch, and host architecture */
 605         if (nv_pair_list_empty(&conf->arch_list)) {
 606                 nv_pair_list_append(&conf->arch_list, "all", "1");
 607                 nv_pair_list_append(&conf->arch_list, "noarch", "1");
 608                 nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 609         }
 610
 611         /* Even if there is no conf file, we'll need at least one dest. */
 612         if (nv_pair_list_empty(&conf->tmp_dest_list)) {
 613                 nv_pair_list_append(&conf->tmp_dest_list,
 614                                     OPKG_CONF_DEFAULT_DEST_NAME,
 615                                     OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 616         }
 617
 618         if (resolve_pkg_dest_list())
 619                 goto err4;
 620
 621         nv_pair_list_deinit(&conf->tmp_dest_list);
 622
 623         return 0;
 624
 625 err4:
 626         free(conf->lists_dir);
 627
 628         pkg_hash_deinit();
 629         hash_table_deinit(&conf->file_hash);
 630         hash_table_deinit(&conf->obs_file_hash);
 631
 632         if (rmdir(conf->tmp_dir) == -1)
 633                 opkg_perror(ERROR, "Couldn't remove dir %s", conf->tmp_dir);
 634 err3:
 635         if (lockf(lock_fd, F_ULOCK, (off_t) 0) == -1)
 636                 opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
 637
 638         if (close(lock_fd) == -1)
 639                 opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
 640                             lock_fd, lock_file);
 641         if (unlink(lock_file) == -1)
 642                 opkg_perror(ERROR, "Couldn't unlink %s", lock_file);
 643 err2:
 644         if (lock_file) {
 645                 free(lock_file);
 646                 lock_file = NULL;
 647         }
 648 err1:
 649         pkg_src_list_deinit(&conf->pkg_src_list);
 650         pkg_src_list_deinit(&conf->dist_src_list);
 651         pkg_dest_list_deinit(&conf->pkg_dest_list);
 652         nv_pair_list_deinit(&conf->arch_list);
 653
 654         for (i = 0; options[i].name; i++) {
 655                 if (options[i].type == OPKG_OPT_TYPE_STRING) {
 656                         tmp_val = (char **)options[i].value;
 657                         if (*tmp_val) {
 658                                 free(*tmp_val);
 659                                 *tmp_val = NULL;
 660                         }
 661                 }
 662         }
 663 err0:
 664         nv_pair_list_deinit(&conf->tmp_dest_list);
 665         if (conf->dest_str)
 666                 free(conf->dest_str);
 667         if (conf->conf_file)
 668                 free(conf->conf_file);
 669
 670         return -1;
 671 }
 672
 673 void opkg_conf_deinit(void)
 674 {
 675         int i;
 676         char **tmp;
 677
 678         if (conf->tmp_dir)
 679                 rm_r(conf->tmp_dir);
 680
 681         if (conf->lists_dir)
 682                 free(conf->lists_dir);
 683
 684         if (conf->dest_str)
 685                 free(conf->dest_str);
 686
 687         if (conf->conf_file)
 688                 free(conf->conf_file);
 689
 690         pkg_src_list_deinit(&conf->pkg_src_list);
 691         pkg_src_list_deinit(&conf->dist_src_list);
 692         pkg_dest_list_deinit(&conf->pkg_dest_list);
 693         nv_pair_list_deinit(&conf->arch_list);
 694
 695         for (i = 0; options[i].name; i++) {
 696                 if (options[i].type == OPKG_OPT_TYPE_STRING) {
 697                         tmp = (char **)options[i].value;
 698                         if (*tmp) {
 699                                 free(*tmp);
 700                                 *tmp = NULL;
 701                         }
 702                 }
 703         }
 704
 705         if (conf->verbosity >= DEBUG) {
 706                 hash_print_stats(&conf->pkg_hash);
 707                 hash_print_stats(&conf->file_hash);
 708                 hash_print_stats(&conf->obs_file_hash);
 709         }
 710
 711         pkg_hash_deinit();
 712         hash_table_deinit(&conf->file_hash);
 713         hash_table_deinit(&conf->obs_file_hash);
 714
 715         if (lock_fd != -1) {
 716                 if (lockf(lock_fd, F_ULOCK, (off_t) 0) == -1)
 717                         opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
 718
 719                 if (close(lock_fd) == -1)
 720                         opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
 721                                     lock_fd, lock_file);
 722
 723         }
 724
 725         if (lock_file) {
 726                 if (unlink(lock_file) == -1)
 727                         opkg_perror(ERROR, "Couldn't unlink %s", lock_file);
 728
 729                 free(lock_file);
 730         }
 731 }