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