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