libopkg/opkg.c

   1 /* opkg.c - the opkg  package management system
   2
   3    Thomas Wood <thomas@openedhand.com>
   4
   5    Copyright (C) 2008 OpenMoko Inc
   6
   7    This program is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU General Public License as
   9    published by the Free Software Foundation; either version 2, or (at
  10    your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16  */
  17
  18 #include <config.h>
  19 #include <fnmatch.h>
  20
  21 #include "opkg.h"
  22 #include "opkg_conf.h"
  23
  24 #include "opkg_install.h"
  25 #include "opkg_configure.h"
  26 #include "opkg_download.h"
  27 #include "opkg_remove.h"
  28 #include "opkg_upgrade.h"
  29
  30 #include "sprintf_alloc.h"
  31 #include "file_util.h"
  32
  33 #include <libbb/libbb.h>
  34
  35 #define opkg_assert(expr) if (!(expr)) { \
  36     printf ("opkg: file %s: line %d (%s): Assertation '%s' failed",\
  37             __FILE__, __LINE__, __PRETTY_FUNCTION__, # expr); abort (); }
  38
  39 #define progress(d, p) d.percentage = p; if (progress_callback) progress_callback (&d, user_data);
  40
  41 /** Private Functions ***/
  42
  43 static int
  44 opkg_configure_packages(char *pkg_name)
  45 {
  46         pkg_vec_t *all;
  47         int i;
  48         pkg_t *pkg;
  49         int r, err = 0;
  50
  51         all = pkg_vec_alloc();
  52         pkg_hash_fetch_available(all);
  53
  54         for (i = 0; i < all->len; i++) {
  55                 pkg = all->pkgs[i];
  56
  57                 if (pkg_name && fnmatch(pkg_name, pkg->name, 0))
  58                         continue;
  59
  60                 if (pkg->state_status == SS_UNPACKED) {
  61                         r = opkg_configure(pkg);
  62                         if (r == 0) {
  63                                 pkg->state_status = SS_INSTALLED;
  64                                 pkg->parent->state_status = SS_INSTALLED;
  65                                 pkg->state_flag &= ~SF_PREFER;
  66                         } else {
  67                                 if (!err)
  68                                         err = r;
  69                         }
  70                 }
  71         }
  72
  73         pkg_vec_free(all);
  74         return err;
  75 }
  76
  77 struct _curl_cb_data {
  78         opkg_progress_callback_t cb;
  79         opkg_progress_data_t *progress_data;
  80         void *user_data;
  81         int start_range;
  82         int finish_range;
  83 };
  84
  85 int
  86 curl_progress_cb(struct _curl_cb_data *cb_data, double t,       /* dltotal */
  87                 double d,       /* dlnow */
  88                 double ultotal, double ulnow)
  89 {
  90         int p = (t) ? d * 100 / t : 0;
  91         static int prev = -1;
  92         int progress = 0;
  93
  94         /* prevent the same value being sent twice (can occur due to rounding) */
  95         if (p == prev)
  96                 return 0;
  97         prev = p;
  98
  99         if (t < 1)
 100                 return 0;
 101
 102         progress = cb_data->start_range +
 103             (d / t * ((cb_data->finish_range - cb_data->start_range)));
 104         cb_data->progress_data->percentage = progress;
 105
 106         (cb_data->cb) (cb_data->progress_data, cb_data->user_data);
 107
 108         return 0;
 109 }
 110
 111
 112 /*** Public API ***/
 113
 114 int
 115 opkg_new()
 116 {
 117         if (opkg_conf_init())
 118                 goto err0;
 119
 120         if (pkg_hash_load_feeds())
 121                 goto err1;
 122
 123         if (pkg_hash_load_status_files())
 124                 goto err1;
 125
 126         return 0;
 127
 128 err1:
 129         pkg_hash_deinit();
 130 err0:
 131         opkg_conf_deinit();
 132         return -1;
 133 }
 134
 135 void
 136 opkg_free(void)
 137 {
 138 #ifdef HAVE_CURL
 139         opkg_curl_cleanup();
 140 #endif
 141         opkg_conf_deinit();
 142 }
 143
 144 int
 145 opkg_re_read_config_files(void)
 146 {
 147         pkg_hash_deinit();
 148         pkg_hash_init();
 149
 150         if (pkg_hash_load_feeds())
 151                 goto err;
 152
 153         if (pkg_hash_load_status_files())
 154                 goto err;
 155
 156         return 0;
 157
 158 err:
 159         pkg_hash_deinit();
 160         return -1;
 161 }
 162
 163 void
 164 opkg_get_option(char *option, void **value)
 165 {
 166         int i = 0;
 167         extern opkg_option_t options[];
 168
 169         /* look up the option
 170          * TODO: this would be much better as a hash table
 171          */
 172         while (options[i].name) {
 173                 if (strcmp(options[i].name, option) != 0) {
 174                         i++;
 175                         continue;
 176                 }
 177         }
 178
 179         /* get the option */
 180         switch (options[i].type) {
 181         case OPKG_OPT_TYPE_BOOL:
 182                 *((int *) value) = *((int *) options[i].value);
 183                 return;
 184
 185         case OPKG_OPT_TYPE_INT:
 186                 *((int *) value) = *((int *) options[i].value);
 187                 return;
 188
 189         case OPKG_OPT_TYPE_STRING:
 190                 *((char **) value) = xstrdup(options[i].value);
 191                 return;
 192         }
 193
 194 }
 195
 196 void
 197 opkg_set_option(char *option, void *value)
 198 {
 199         int i = 0, found = 0;
 200         extern opkg_option_t options[];
 201
 202         opkg_assert(option != NULL);
 203         opkg_assert(value != NULL);
 204
 205         /* look up the option
 206          * TODO: this would be much better as a hash table
 207          */
 208         while (options[i].name) {
 209                 if (strcmp(options[i].name, option) == 0) {
 210                         found = 1;
 211                         break;
 212                 }
 213                 i++;
 214         }
 215
 216         if (!found) {
 217                 opkg_msg(ERROR, "Invalid option: %s\n", option);
 218                 return;
 219         }
 220
 221         /* set the option */
 222         switch (options[i].type) {
 223         case OPKG_OPT_TYPE_BOOL:
 224                 if (*((int *) value) == 0)
 225                         *((int *) options[i].value) = 0;
 226                 else
 227                         *((int *) options[i].value) = 1;
 228                 return;
 229
 230         case OPKG_OPT_TYPE_INT:
 231                 *((int *) options[i].value) = *((int *) value);
 232                 return;
 233
 234         case OPKG_OPT_TYPE_STRING:
 235                 *((char **) options[i].value) = xstrdup(value);
 236                 return;
 237         }
 238
 239 }
 240
 241 /**
 242  * @brief libopkg API: Install package
 243  * @param package_name The name of package in which is going to install
 244  * @param progress_callback The callback function that report the status to caller.
 245  */
 246 int
 247 opkg_install_package(const char *package_name,
 248                 opkg_progress_callback_t progress_callback,
 249                 void *user_data)
 250 {
 251         int err;
 252         char *stripped_filename;
 253         opkg_progress_data_t pdata;
 254         pkg_t *old, *new;
 255         pkg_vec_t *deps, *all;
 256         int i, ndepends;
 257         char **unresolved = NULL;
 258
 259         opkg_assert(package_name != NULL);
 260
 261         /* ... */
 262         pkg_info_preinstall_check();
 263
 264
 265         /* check to ensure package is not already installed */
 266         old = pkg_hash_fetch_installed_by_name(package_name);
 267         if (old) {
 268                 opkg_msg(ERROR, "Package %s is already installed\n",
 269                                 package_name);
 270                 return -1;
 271         }
 272
 273         new = pkg_hash_fetch_best_installation_candidate_by_name(package_name);
 274         if (!new) {
 275                 opkg_msg(ERROR, "Couldn't find package %s\n", package_name);
 276                 return -1;
 277         }
 278
 279         new->state_flag |= SF_USER;
 280
 281         pdata.action = -1;
 282         pdata.pkg = new;
 283
 284         progress(pdata, 0);
 285
 286         /* find dependancies and download them */
 287         deps = pkg_vec_alloc();
 288         /* this function does not return the original package, so we insert it later */
 289         ndepends = pkg_hash_fetch_unsatisfied_dependencies(new, deps,
 290                         &unresolved);
 291         if (unresolved) {
 292                 char **tmp = unresolved;
 293                 opkg_msg(ERROR, "Couldn't satisfy the following dependencies"
 294                                " for %s:\n", package_name);
 295                 while (*tmp) {
 296                         opkg_msg(ERROR, "\t%s", *tmp);
 297                         free(*tmp);
 298                         tmp++;
 299                 }
 300                 free(unresolved);
 301                 pkg_vec_free(deps);
 302                 opkg_message(ERROR, "\n");
 303                 return -1;
 304         }
 305
 306         /* insert the package we are installing so that we download it */
 307         pkg_vec_insert(deps, new);
 308
 309         /* download package and dependencies */
 310         for (i = 0; i < deps->len; i++) {
 311                 pkg_t *pkg;
 312                 struct _curl_cb_data cb_data;
 313                 char *url;
 314
 315                 pkg = deps->pkgs[i];
 316                 if (pkg->local_filename)
 317                         continue;
 318
 319                 pdata.pkg = pkg;
 320                 pdata.action = OPKG_DOWNLOAD;
 321
 322                 if (pkg->src == NULL) {
 323                         opkg_msg(ERROR, "Package %s not available from any "
 324                                         "configured src\n", package_name);
 325                         return -1;
 326                 }
 327
 328                 sprintf_alloc(&url, "%s/%s", pkg->src->value, pkg->filename);
 329
 330                 /* Get the filename part, without any directory */
 331                 stripped_filename = strrchr(pkg->filename, '/');
 332                 if (!stripped_filename)
 333                         stripped_filename = pkg->filename;
 334
 335                 sprintf_alloc(&pkg->local_filename, "%s/%s", conf->tmp_dir,
 336                               stripped_filename);
 337
 338                 cb_data.cb = progress_callback;
 339                 cb_data.progress_data = &pdata;
 340                 cb_data.user_data = user_data;
 341                 /* 75% of "install" progress is for downloading */
 342                 cb_data.start_range = 75 * i / deps->len;
 343                 cb_data.finish_range = 75 * (i + 1) / deps->len;
 344
 345                 err = opkg_download(url, pkg->local_filename,
 346                                     (curl_progress_func) curl_progress_cb,
 347                                     &cb_data);
 348                 free(url);
 349
 350                 if (err) {
 351                         pkg_vec_free(deps);
 352                         return -1;
 353                 }
 354
 355         }
 356         pkg_vec_free(deps);
 357
 358         /* clear depenacy checked marks, left by pkg_hash_fetch_unsatisfied_dependencies */
 359         all = pkg_vec_alloc();
 360         pkg_hash_fetch_available(all);
 361         for (i = 0; i < all->len; i++) {
 362                 all->pkgs[i]->parent->dependencies_checked = 0;
 363         }
 364         pkg_vec_free(all);
 365
 366
 367         /* 75% of "install" progress is for downloading */
 368         pdata.pkg = new;
 369         pdata.action = OPKG_INSTALL;
 370         progress(pdata, 75);
 371
 372         /* unpack the package */
 373         err = opkg_install_pkg(new, 0);
 374
 375         if (err) {
 376                 return -1;
 377         }
 378
 379         progress(pdata, 75);
 380
 381         /* run configure scripts, etc. */
 382         err = opkg_configure_packages(NULL);
 383         if (err) {
 384                 return -1;
 385         }
 386
 387         /* write out status files and file lists */
 388         opkg_conf_write_status_files();
 389         pkg_write_changed_filelists();
 390
 391         progress(pdata, 100);
 392         return 0;
 393 }
 394
 395 int
 396 opkg_remove_package(const char *package_name,
 397                 opkg_progress_callback_t progress_callback, void *user_data)
 398 {
 399         int err;
 400         pkg_t *pkg = NULL;
 401         pkg_t *pkg_to_remove;
 402         opkg_progress_data_t pdata;
 403
 404         opkg_assert(package_name != NULL);
 405
 406         pkg_info_preinstall_check();
 407
 408         pkg = pkg_hash_fetch_installed_by_name(package_name);
 409
 410         if (pkg == NULL || pkg->state_status == SS_NOT_INSTALLED) {
 411                 opkg_msg(ERROR, "Package %s not installed\n", package_name);
 412                 return -1;
 413         }
 414
 415         pdata.action = OPKG_REMOVE;
 416         pdata.pkg = pkg;
 417         progress(pdata, 0);
 418
 419         if (conf->restrict_to_default_dest) {
 420                 pkg_to_remove = pkg_hash_fetch_installed_by_name_dest(pkg->name,
 421                                                       conf->default_dest);
 422         } else {
 423                 pkg_to_remove = pkg_hash_fetch_installed_by_name(pkg->name);
 424         }
 425
 426
 427         progress(pdata, 75);
 428
 429         err = opkg_remove_pkg(pkg_to_remove, 0);
 430
 431         /* write out status files and file lists */
 432         opkg_conf_write_status_files();
 433         pkg_write_changed_filelists();
 434
 435
 436         progress(pdata, 100);
 437         return (err) ? -1 : 0;
 438 }
 439
 440 int
 441 opkg_upgrade_package(const char *package_name,
 442                 opkg_progress_callback_t progress_callback,
 443                 void *user_data)
 444 {
 445         int err;
 446         pkg_t *pkg;
 447         opkg_progress_data_t pdata;
 448
 449         opkg_assert(package_name != NULL);
 450
 451         pkg_info_preinstall_check();
 452
 453         if (conf->restrict_to_default_dest) {
 454                 pkg = pkg_hash_fetch_installed_by_name_dest(package_name,
 455                                                             conf->default_dest);
 456         } else {
 457                 pkg = pkg_hash_fetch_installed_by_name(package_name);
 458         }
 459
 460         if (!pkg) {
 461                 opkg_msg(ERROR, "Package %s not installed\n", package_name);
 462                 return -1;
 463         }
 464
 465         pdata.action = OPKG_INSTALL;
 466         pdata.pkg = pkg;
 467         progress(pdata, 0);
 468
 469         err = opkg_upgrade_pkg(pkg);
 470         if (err) {
 471                 return -1;
 472         }
 473         progress(pdata, 75);
 474
 475         err = opkg_configure_packages(NULL);
 476         if (err) {
 477                 return -1;
 478         }
 479
 480         /* write out status files and file lists */
 481         opkg_conf_write_status_files();
 482         pkg_write_changed_filelists();
 483
 484         progress(pdata, 100);
 485         return 0;
 486 }
 487
 488 int
 489 opkg_upgrade_all(opkg_progress_callback_t progress_callback, void *user_data)
 490 {
 491         pkg_vec_t *installed;
 492         int err = 0;
 493         int i;
 494         pkg_t *pkg;
 495         opkg_progress_data_t pdata;
 496
 497         pdata.action = OPKG_INSTALL;
 498         pdata.pkg = NULL;
 499
 500         progress(pdata, 0);
 501
 502         installed = pkg_vec_alloc();
 503         pkg_info_preinstall_check();
 504
 505         pkg_hash_fetch_all_installed(installed);
 506         for (i = 0; i < installed->len; i++) {
 507                 pkg = installed->pkgs[i];
 508
 509                 pdata.pkg = pkg;
 510                 progress(pdata, 99 * i / installed->len);
 511
 512                 err += opkg_upgrade_pkg(pkg);
 513         }
 514         pkg_vec_free(installed);
 515
 516         if (err)
 517                 return 1;
 518
 519         err = opkg_configure_packages(NULL);
 520         if (err)
 521                 return 1;
 522
 523         pdata.pkg = NULL;
 524         progress(pdata, 100);
 525         return 0;
 526 }
 527
 528 int
 529 opkg_update_package_lists(opkg_progress_callback_t progress_callback,
 530                         void *user_data)
 531 {
 532         char *tmp;
 533         int err, result = 0;
 534         char *lists_dir;
 535         pkg_src_list_elt_t *iter;
 536         pkg_src_t *src;
 537         int sources_list_count, sources_done;
 538         opkg_progress_data_t pdata;
 539
 540         pdata.action = OPKG_DOWNLOAD;
 541         pdata.pkg = NULL;
 542         progress(pdata, 0);
 543
 544         sprintf_alloc(&lists_dir, "%s", (conf->restrict_to_default_dest)
 545                 ? conf->default_dest->lists_dir : conf->lists_dir);
 546
 547         if (!file_is_dir(lists_dir)) {
 548                 if (file_exists(lists_dir)) {
 549                         opkg_msg(ERROR, "%s is not a directory\n", lists_dir);
 550                         free(lists_dir);
 551                         return 1;
 552                 }
 553
 554                 err = file_mkdir_hier(lists_dir, 0755);
 555                 if (err) {
 556                         opkg_msg(ERROR, "Couldn't create lists_dir %s\n",
 557                                         lists_dir);
 558                         free(lists_dir);
 559                         return 1;
 560                 }
 561         }
 562
 563         sprintf_alloc(&tmp, "%s/update-XXXXXX", conf->tmp_dir);
 564         if (mkdtemp(tmp) == NULL) {
 565                 opkg_perror(ERROR, "Coundn't create temporary directory %s",
 566                                 tmp);
 567                 free(lists_dir);
 568                 free(tmp);
 569                 return 1;
 570         }
 571
 572         /* count the number of sources so we can give some progress updates */
 573         sources_list_count = 0;
 574         sources_done = 0;
 575         list_for_each_entry(iter, &conf->pkg_src_list.head, node) {
 576                 sources_list_count++;
 577         }
 578
 579         list_for_each_entry(iter, &conf->pkg_src_list.head, node) {
 580                 char *url, *list_file_name = NULL;
 581
 582                 src = (pkg_src_t *) iter->data;
 583
 584                 if (src->extra_data)    /* debian style? */
 585                         sprintf_alloc(&url, "%s/%s/%s", src->value,
 586                                       src->extra_data,
 587                                       src->gzip ? "Packages.gz" : "Packages");
 588                 else
 589                         sprintf_alloc(&url, "%s/%s", src->value,
 590                                       src->gzip ? "Packages.gz" : "Packages");
 591
 592                 sprintf_alloc(&list_file_name, "%s/%s", lists_dir, src->name);
 593                 if (src->gzip) {
 594                         FILE *in, *out;
 595                         struct _curl_cb_data cb_data;
 596                         char *tmp_file_name = NULL;
 597
 598                         sprintf_alloc(&tmp_file_name, "%s/%s.gz", tmp,
 599                                       src->name);
 600
 601                         opkg_msg(INFO, "Downloading %s to %s...\n", url,
 602                                         tmp_file_name);
 603
 604                         cb_data.cb = progress_callback;
 605                         cb_data.progress_data = &pdata;
 606                         cb_data.user_data = user_data;
 607                         cb_data.start_range =
 608                             100 * sources_done / sources_list_count;
 609                         cb_data.finish_range =
 610                             100 * (sources_done + 1) / sources_list_count;
 611
 612                         err = opkg_download(url, tmp_file_name,
 613                                           (curl_progress_func) curl_progress_cb,
 614                                           &cb_data);
 615
 616                         if (err == 0) {
 617                                 opkg_msg(INFO, "Inflating %s...\n",
 618                                                 tmp_file_name);
 619                                 in = fopen(tmp_file_name, "r");
 620                                 out = fopen(list_file_name, "w");
 621                                 if (in && out)
 622                                         unzip(in, out);
 623                                 else
 624                                         err = 1;
 625                                 if (in)
 626                                         fclose(in);
 627                                 if (out)
 628                                         fclose(out);
 629                                 unlink(tmp_file_name);
 630                         }
 631                         free(tmp_file_name);
 632                 } else
 633                         err = opkg_download(url, list_file_name, NULL, NULL);
 634
 635                 if (err) {
 636                         opkg_msg(ERROR, "Couldn't retrieve %s\n", url);
 637                         result = -1;
 638                 }
 639                 free(url);
 640
 641 #if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
 642                 if (conf->check_signature) {
 643                         char *sig_file_name;
 644                         /* download detached signitures to verify the package lists */
 645                         /* get the url for the sig file */
 646                         if (src->extra_data)    /* debian style? */
 647                                 sprintf_alloc(&url, "%s/%s/%s", src->value,
 648                                               src->extra_data, "Packages.sig");
 649                         else
 650                                 sprintf_alloc(&url, "%s/%s", src->value,
 651                                               "Packages.sig");
 652
 653                         /* create filename for signature */
 654                         sprintf_alloc(&sig_file_name, "%s/%s.sig", lists_dir,
 655                                       src->name);
 656
 657                         /* make sure there is no existing signature file */
 658                         unlink(sig_file_name);
 659
 660                         err = opkg_download(url, sig_file_name, NULL, NULL);
 661                         if (err) {
 662                                 opkg_msg(ERROR, "Couldn't retrieve %s\n", url);
 663                         } else {
 664                                 int err;
 665                                 err = opkg_verify_file(list_file_name,
 666                                                      sig_file_name);
 667                                 if (err == 0) {
 668                                         opkg_msg(INFO, "Signature check "
 669                                                         "passed for %s",
 670                                                         list_file_name);
 671                                 } else {
 672                                         opkg_msg(ERROR, "Signature check "
 673                                                         "failed for %s",
 674                                                         list_file_name);
 675                                 }
 676                         }
 677                         free(sig_file_name);
 678                         free(list_file_name);
 679                         free(url);
 680                 }
 681 #else
 682                 opkg_msg(INFO, "Signature check skipped for %s as GPG support"
 683                                 " has not been enabled in this build\n",
 684                                 list_file_name);
 685 #endif
 686
 687                 sources_done++;
 688                 progress(pdata, 100 * sources_done / sources_list_count);
 689         }
 690
 691         rmdir(tmp);
 692         free(tmp);
 693         free(lists_dir);
 694
 695         /* Now re-read the package lists to update package hash tables. */
 696         opkg_re_read_config_files();
 697
 698         return result;
 699 }
 700
 701 static int
 702 pkg_compare_names_and_version(const void *a0, const void *b0)
 703 {
 704         const pkg_t *a = *(const pkg_t **)a0;
 705         const pkg_t *b = *(const pkg_t **)b0;
 706         int ret;
 707
 708         ret = strcmp(a->name, b->name);
 709
 710         if (ret == 0)
 711                 ret = pkg_compare_versions(a, b);
 712
 713         return ret;
 714 }
 715
 716 int
 717 opkg_list_packages(opkg_package_callback_t callback, void *user_data)
 718 {
 719         pkg_vec_t *all;
 720         int i;
 721
 722         opkg_assert(callback);
 723
 724         all = pkg_vec_alloc();
 725         pkg_hash_fetch_available(all);
 726
 727         pkg_vec_sort(all, pkg_compare_names_and_version);
 728
 729         for (i = 0; i < all->len; i++) {
 730                 pkg_t *pkg;
 731
 732                 pkg = all->pkgs[i];
 733
 734                 callback(pkg, user_data);
 735         }
 736
 737         pkg_vec_free(all);
 738
 739         return 0;
 740 }
 741
 742 int
 743 opkg_list_upgradable_packages(opkg_package_callback_t callback, void *user_data)
 744 {
 745         struct active_list *head;
 746         struct active_list *node;
 747         pkg_t *old = NULL, *new = NULL;
 748
 749         opkg_assert(callback);
 750
 751         /* ensure all data is valid */
 752         pkg_info_preinstall_check();
 753
 754         head = prepare_upgrade_list();
 755         for (node = active_list_next(head, head); node;
 756              active_list_next(head, node)) {
 757                 old = list_entry(node, pkg_t, list);
 758                 new = pkg_hash_fetch_best_installation_candidate_by_name(old->name);
 759                 if (new == NULL)
 760                         continue;
 761                 callback(new, user_data);
 762         }
 763         active_list_head_delete(head);
 764         return 0;
 765 }
 766
 767 pkg_t *
 768 opkg_find_package(const char *name, const char *ver, const char *arch,
 769                 const char *repo)
 770 {
 771         pkg_t *pkg = NULL;
 772         pkg_vec_t *all;
 773         int i;
 774 #define sstrcmp(x,y) (x && y) ? strcmp (x, y) : 0
 775
 776         all = pkg_vec_alloc();
 777         pkg_hash_fetch_available(all);
 778         for (i = 0; i < all->len; i++) {
 779                 char *pkgv;
 780
 781                 pkg = all->pkgs[i];
 782
 783                 /* check name */
 784                 if (sstrcmp(pkg->name, name))
 785                         continue;
 786
 787                 /* check version */
 788                 pkgv = pkg_version_str_alloc(pkg);
 789                 if (sstrcmp(pkgv, ver)) {
 790                         free(pkgv);
 791                         continue;
 792                 }
 793                 free(pkgv);
 794
 795                 /* check architecture */
 796                 if (arch) {
 797                         if (sstrcmp(pkg->architecture, arch))
 798                                 continue;
 799                 }
 800
 801                 /* check repository */
 802                 if (repo) {
 803                         if (sstrcmp(pkg->src->name, repo))
 804                                 continue;
 805                 }
 806
 807                 /* match found */
 808                 break;
 809         }
 810
 811         pkg_vec_free(all);
 812
 813         return pkg;
 814 }
 815
 816 #ifdef HAVE_CURL
 817 #include <curl/curl.h>
 818 #endif
 819 /**
 820  * @brief Check the accessibility of repositories. It will try to access the repository to check if the respository is accessible throught current network status.
 821  * @return return how many repositories cannot access. 0 means all okay.
 822  */
 823 int
 824 opkg_repository_accessibility_check(void)
 825 {
 826         pkg_src_list_elt_t *iter;
 827         str_list_elt_t *iter1;
 828         str_list_t *src;
 829         int repositories = 0;
 830         int ret = 0;
 831         int err;
 832         char *repo_ptr;
 833         char *stmp;
 834         char *host, *end;
 835
 836         src = str_list_alloc();
 837
 838         list_for_each_entry(iter, &conf->pkg_src_list.head, node) {
 839                 host = strstr(((pkg_src_t *)iter->data)->value, "://") + 3;
 840                 end = index(host, '/');
 841                 if (strstr(((pkg_src_t *) iter->data)->value, "://") && end)
 842                         stmp = xstrndup(((pkg_src_t *) iter->data)->value,
 843                                      end - ((pkg_src_t *) iter->data)->value);
 844                 else
 845                         stmp = xstrdup(((pkg_src_t *) iter->data)->value);
 846
 847                 for (iter1 = str_list_first(src); iter1;
 848                      iter1 = str_list_next(src, iter1)) {
 849                         if (strstr(iter1->data, stmp))
 850                                 break;
 851                 }
 852                 if (iter1)
 853                         continue;
 854
 855                 sprintf_alloc(&repo_ptr, "%s/index.html", stmp);
 856                 free(stmp);
 857
 858                 str_list_append(src, repo_ptr);
 859                 free(repo_ptr);
 860                 repositories++;
 861         }
 862         while (repositories > 0) {
 863                 iter1 = str_list_pop(src);
 864                 repositories--;
 865
 866                 err = opkg_download(iter1->data, "/dev/null", NULL, NULL);
 867 #ifdef HAVE_CURL
 868                 if (!(err == CURLE_OK ||
 869                       err == CURLE_HTTP_RETURNED_ERROR ||
 870                       err == CURLE_FILE_COULDNT_READ_FILE ||
 871                       err == CURLE_REMOTE_FILE_NOT_FOUND ||
 872                       err == CURLE_TFTP_NOTFOUND)) {
 873 #else
 874                 if (!(err == 0)) {
 875 #endif
 876                         ret++;
 877                 }
 878                 str_list_elt_deinit(iter1);
 879         }
 880         free(src);
 881         return ret;
 882 }