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 #include "opkg_error.h"
  31
  32 #include "sprintf_alloc.h"
  33 #include "file_util.h"
  34
  35 #include <libbb/libbb.h>
  36
  37 struct _opkg_t
  38 {
  39   args_t *args;
  40   opkg_conf_t *conf;
  41   opkg_option_t *options;
  42 };
  43
  44 #define opkg_assert(expr) if (!(expr)) { \
  45     printf ("opkg: file %s: line %d (%s): Assertation '%s' failed",\
  46             __FILE__, __LINE__, __PRETTY_FUNCTION__, # expr); abort (); }
  47
  48 #define progress(d, p) d.percentage = p; if (progress_callback) progress_callback (opkg, &d, user_data);
  49 #define SSTRCMP(x,y) (x && y) ? strcmp (x, y) : 0
  50
  51 /** Private Functions ***/
  52
  53 /**
  54  * Clone a pkg_t
  55  */
  56 static opkg_package_t*
  57 pkg_t_to_opkg_package_t (pkg_t *old)
  58 {
  59   opkg_package_t *new;
  60
  61   new = opkg_package_new ();
  62
  63   new->name = xstrdup(old->name);
  64   new->version = pkg_version_str_alloc (old);
  65   new->architecture = xstrdup(old->architecture);
  66   if (old->src)
  67     new->repository = xstrdup(old->src->name);
  68   new->description = xstrdup(old->description);
  69   new->tags = xstrdup(old->tags);
  70   new->url = xstrdup(old->url);
  71
  72   new->size = (old->size) ? atoi (old->size) : 0;
  73   new->installed = (old->state_status == SS_INSTALLED);
  74
  75   return new;
  76 }
  77
  78 static int
  79 opkg_configure_packages(opkg_conf_t *conf, char *pkg_name)
  80 {
  81   pkg_vec_t *all;
  82   int i;
  83   pkg_t *pkg;
  84   int r, err = 0;
  85
  86   all = pkg_vec_alloc ();
  87   pkg_hash_fetch_available (&conf->pkg_hash, all);
  88
  89   for (i = 0; i < all->len; i++)
  90   {
  91     pkg = all->pkgs[i];
  92
  93     if (pkg_name && fnmatch (pkg_name, pkg->name, 0))
  94       continue;
  95
  96     if (pkg->state_status == SS_UNPACKED)
  97     {
  98       r = opkg_configure (conf, pkg);
  99       if (r == 0)
 100       {
 101         pkg->state_status = SS_INSTALLED;
 102         pkg->parent->state_status = SS_INSTALLED;
 103         pkg->state_flag &= ~SF_PREFER;
 104       }
 105       else
 106       {
 107         if (!err)
 108           err = r;
 109       }
 110     }
 111   }
 112
 113   pkg_vec_free (all);
 114   return err;
 115 }
 116
 117 struct _curl_cb_data
 118 {
 119   opkg_progress_callback_t cb;
 120   opkg_progress_data_t *progress_data;
 121   opkg_t *opkg;
 122   void *user_data;
 123   int start_range;
 124   int finish_range;
 125 };
 126
 127 int
 128 curl_progress_cb (struct _curl_cb_data *cb_data,
 129                   double t,   /* dltotal */
 130                   double d,   /* dlnow */
 131                   double ultotal,
 132                   double ulnow)
 133 {
 134   int p = (t) ? d * 100 / t : 0;
 135   static int prev = -1;
 136   int progress = 0;
 137
 138   /* prevent the same value being sent twice (can occur due to rounding) */
 139   if (p == prev)
 140     return 0;
 141   prev = p;
 142
 143   if (t < 1)
 144     return 0;
 145
 146   progress = cb_data->start_range + (d / t * ((cb_data->finish_range - cb_data->start_range)));
 147   cb_data->progress_data->percentage = progress;
 148
 149   (cb_data->cb)(cb_data->opkg,
 150                 cb_data->progress_data,
 151                 cb_data->user_data);
 152
 153   return 0;
 154 }
 155
 156
 157 /*** Public API ***/
 158
 159 opkg_package_t *
 160 opkg_package_new ()
 161 {
 162
 163   opkg_package_t *p;
 164
 165   p = xcalloc(1, sizeof (opkg_package_t));
 166
 167   return p;
 168 }
 169
 170 void
 171 opkg_package_free (opkg_package_t *p)
 172 {
 173   free (p->name);
 174   free (p->version);
 175   free (p->architecture);
 176   free (p->description);
 177   free (p->tags);
 178   free (p->url);
 179   free (p->repository);
 180
 181   free (p);
 182 }
 183
 184 opkg_t *
 185 opkg_new ()
 186 {
 187   opkg_t *opkg;
 188   int err;
 189
 190   opkg = xcalloc(1, sizeof (opkg_t));
 191
 192   opkg->args = xcalloc(1, sizeof (args_t));
 193   args_init (opkg->args);
 194
 195   opkg->conf = xcalloc(1, sizeof (opkg_conf_t));
 196   err = opkg_conf_init (opkg->conf, opkg->args);
 197   if (err)
 198   {
 199     free (opkg->conf);
 200     free (opkg->args);
 201     free (opkg);
 202     return NULL;
 203   }
 204
 205   opkg_init_options_array (opkg->conf, &opkg->options);
 206   return opkg;
 207 }
 208
 209 void
 210 opkg_free (opkg_t *opkg)
 211 {
 212   opkg_assert (opkg != NULL);
 213
 214 #ifdef HAVE_CURL
 215   opkg_curl_cleanup();
 216 #endif
 217   opkg_conf_deinit (opkg->conf);
 218   args_deinit (opkg->args);
 219   free (opkg->options);
 220   free (opkg->args);
 221   free (opkg->conf);
 222   free (opkg);
 223 }
 224
 225 int
 226 opkg_re_read_config_files (opkg_t *opkg)
 227 {
 228   args_t *a;
 229   opkg_conf_t *c;
 230
 231   opkg_assert (opkg != NULL);
 232
 233   a = opkg->args;
 234   c = opkg->conf;
 235
 236   /* Unfortunatly, the easiest way to re-read the config files right now is to
 237    * throw away opkg->conf and start again */
 238
 239   /* copy the settings we need to keep */
 240   a->autoremove = c->autoremove;
 241   a->force_depends = c->force_depends;
 242   a->force_defaults = c->force_defaults;
 243   a->force_maintainer = c->force_maintainer;
 244   a->force_overwrite = c->force_overwrite;
 245   a->force_downgrade = c->force_downgrade;
 246   a->force_reinstall = c->force_reinstall;
 247   a->force_removal_of_dependent_packages = c->force_removal_of_dependent_packages;
 248   a->force_removal_of_essential_packages = c->force_removal_of_essential_packages;
 249   a->nodeps = c->nodeps;
 250   a->noaction = c->noaction;
 251   a->query_all = c->query_all;
 252   a->verbosity = c->verbosity;
 253
 254   if (c->offline_root)
 255   {
 256     if (a->offline_root) free (a->offline_root);
 257     a->offline_root = xstrdup(c->offline_root);
 258   }
 259
 260   if (c->offline_root_pre_script_cmd)
 261   {
 262     if (a->offline_root_pre_script_cmd) free (a->offline_root_pre_script_cmd);
 263     a->offline_root_pre_script_cmd = xstrdup(c->offline_root_pre_script_cmd);
 264   }
 265
 266   if (c->offline_root_post_script_cmd)
 267   {
 268     if (a->offline_root_post_script_cmd) free (a->offline_root_post_script_cmd);
 269     a->offline_root_post_script_cmd = xstrdup(c->offline_root_post_script_cmd);
 270   }
 271
 272   if (c->cache) {
 273     if (a->cache)
 274         free (a->cache);
 275     a->cache = xstrdup(c->cache);
 276   }
 277
 278   /* throw away old opkg_conf and start again */
 279   opkg_conf_deinit (opkg->conf);
 280   opkg_conf_init (opkg->conf, opkg->args);
 281
 282   free (opkg->options);
 283   opkg_init_options_array (opkg->conf, &opkg->options);
 284
 285   return 0;
 286 }
 287
 288 void
 289 opkg_get_option (opkg_t *opkg, char *option, void **value)
 290 {
 291   int i = 0;
 292   opkg_option_t *options;
 293
 294   opkg_assert (opkg != NULL);
 295   opkg_assert (option != NULL);
 296   opkg_assert (value != NULL);
 297
 298   options = opkg->options;
 299
 300   /* look up the option
 301    * TODO: this would be much better as a hash table
 302    */
 303   while (options[i].name)
 304   {
 305     if (strcmp (options[i].name, option) != 0)
 306     {
 307       i++;
 308       continue;
 309     }
 310   }
 311
 312   /* get the option */
 313   switch (options[i].type)
 314   {
 315   case OPKG_OPT_TYPE_BOOL:
 316     *((int *) value) = *((int *) options[i].value);
 317     return;
 318
 319   case OPKG_OPT_TYPE_INT:
 320     *((int *) value) = *((int *) options[i].value);
 321     return;
 322
 323   case OPKG_OPT_TYPE_STRING:
 324     *((char **)value) = xstrdup(options[i].value);
 325     return;
 326   }
 327
 328 }
 329
 330 void
 331 opkg_set_option (opkg_t *opkg, char *option, void *value)
 332 {
 333   int i = 0, found = 0;
 334   opkg_option_t *options;
 335
 336   opkg_assert (opkg != NULL);
 337   opkg_assert (option != NULL);
 338   opkg_assert (value != NULL);
 339
 340   options = opkg->options;
 341
 342   /* look up the option
 343    * TODO: this would be much better as a hash table
 344    */
 345   while (options[i].name)
 346   {
 347     if (strcmp (options[i].name, option) == 0)
 348     {
 349       found = 1;
 350       break;
 351     }
 352     i++;
 353   }
 354
 355   if (!found)
 356   {
 357     /* XXX: Warning: Option not found */
 358     return;
 359   }
 360
 361   /* set the option */
 362   switch (options[i].type)
 363   {
 364   case OPKG_OPT_TYPE_BOOL:
 365     if (*((int *) value) == 0)
 366       *((int *)options[i].value) = 0;
 367     else
 368       *((int *)options[i].value) = 1;
 369     return;
 370
 371   case OPKG_OPT_TYPE_INT:
 372     *((int *) options[i].value) = *((int *) value);
 373     return;
 374
 375   case OPKG_OPT_TYPE_STRING:
 376     *((char **)options[i].value) = xstrdup(value);
 377     return;
 378   }
 379
 380 }
 381
 382 /**
 383  * @brief libopkg API: Install package
 384  * @param opkg Then opkg handler
 385  * @param package_name The name of package in which is going to install
 386  * @param progress_callback The callback function that report the status to caller.
 387  */
 388 int
 389 opkg_install_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 390 {
 391   int err;
 392   char *stripped_filename;
 393   opkg_progress_data_t pdata;
 394   pkg_t *old, *new;
 395   pkg_vec_t *deps, *all;
 396   int i, ndepends;
 397   char **unresolved = NULL;
 398
 399   opkg_assert (opkg != NULL);
 400   opkg_assert (package_name != NULL);
 401
 402   /* ... */
 403   pkg_info_preinstall_check (opkg->conf);
 404
 405
 406   /* check to ensure package is not already installed */
 407   old = pkg_hash_fetch_installed_by_name(&opkg->conf->pkg_hash, package_name);
 408   if (old)
 409   {
 410     /* XXX: Error: Package is already installed. */
 411     return OPKG_PACKAGE_ALREADY_INSTALLED;
 412   }
 413
 414   new = pkg_hash_fetch_best_installation_candidate_by_name(opkg->conf, package_name);
 415   if (!new)
 416   {
 417     /* XXX: Error: Could not find package to install */
 418     return OPKG_PACKAGE_NOT_FOUND;
 419   }
 420
 421   new->state_flag |= SF_USER;
 422
 423   pdata.action = OPKG_INSTALL;
 424   pdata.package = pkg_t_to_opkg_package_t (new);
 425
 426   progress (pdata, 0);
 427
 428   /* find dependancies and download them */
 429   deps = pkg_vec_alloc ();
 430   /* this function does not return the original package, so we insert it later */
 431   ndepends = pkg_hash_fetch_unsatisfied_dependencies (opkg->conf, new, deps, &unresolved);
 432   if (unresolved)
 433   {
 434     /* XXX: Error: Could not satisfy dependencies */
 435     pkg_vec_free (deps);
 436     return OPKG_DEPENDENCIES_FAILED;
 437   }
 438
 439   /* insert the package we are installing so that we download it */
 440   pkg_vec_insert (deps, new);
 441
 442   /* download package and dependancies */
 443   for (i = 0; i < deps->len; i++)
 444   {
 445     pkg_t *pkg;
 446     struct _curl_cb_data cb_data;
 447     char *url;
 448
 449     pkg = deps->pkgs[i];
 450     if (pkg->local_filename)
 451       continue;
 452
 453     opkg_package_free (pdata.package);
 454     pdata.package = pkg_t_to_opkg_package_t (pkg);
 455     pdata.action = OPKG_DOWNLOAD;
 456
 457     if (pkg->src == NULL)
 458     {
 459       /* XXX: Error: Package not available from any configured src */
 460       return OPKG_PACKAGE_NOT_AVAILABLE;
 461     }
 462
 463     sprintf_alloc(&url, "%s/%s", pkg->src->value, pkg->filename);
 464
 465     /* Get the filename part, without any directory */
 466     stripped_filename = strrchr(pkg->filename, '/');
 467     if ( ! stripped_filename )
 468         stripped_filename = pkg->filename;
 469
 470     sprintf_alloc(&pkg->local_filename, "%s/%s", opkg->conf->tmp_dir, stripped_filename);
 471
 472     cb_data.cb = progress_callback;
 473     cb_data.progress_data = &pdata;
 474     cb_data.opkg = opkg;
 475     cb_data.user_data = user_data;
 476     /* 75% of "install" progress is for downloading */
 477     cb_data.start_range = 75 * i / deps->len;
 478     cb_data.finish_range = 75 * (i + 1) / deps->len;
 479
 480     err = opkg_download(opkg->conf, url, pkg->local_filename,
 481               (curl_progress_func) curl_progress_cb, &cb_data);
 482     free(url);
 483
 484     if (err)
 485     {
 486       pkg_vec_free (deps);
 487       opkg_package_free (pdata.package);
 488       return OPKG_DOWNLOAD_FAILED;
 489     }
 490
 491   }
 492   pkg_vec_free (deps);
 493
 494   /* clear depenacy checked marks, left by pkg_hash_fetch_unsatisfied_dependencies */
 495   all = pkg_vec_alloc ();
 496   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 497   for (i = 0; i < all->len; i++)
 498   {
 499     all->pkgs[i]->parent->dependencies_checked = 0;
 500   }
 501   pkg_vec_free (all);
 502
 503
 504   /* 75% of "install" progress is for downloading */
 505   opkg_package_free (pdata.package);
 506   pdata.package = pkg_t_to_opkg_package_t (new);
 507   pdata.action = OPKG_INSTALL;
 508   progress (pdata, 75);
 509
 510   /* unpack the package */
 511   err = opkg_install_pkg(opkg->conf, new, 0);
 512
 513   if (err)
 514   {
 515     opkg_package_free (pdata.package);
 516     return OPKG_UNKNOWN_ERROR;
 517   }
 518
 519   progress (pdata, 75);
 520
 521   /* run configure scripts, etc. */
 522   err = opkg_configure_packages (opkg->conf, NULL);
 523   if (err)
 524   {
 525     opkg_package_free (pdata.package);
 526     return OPKG_UNKNOWN_ERROR;
 527   }
 528
 529   /* write out status files and file lists */
 530   opkg_conf_write_status_files (opkg->conf);
 531   pkg_write_changed_filelists (opkg->conf);
 532
 533   progress (pdata, 100);
 534   opkg_package_free (pdata.package);
 535   return 0;
 536 }
 537
 538 int
 539 opkg_remove_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 540 {
 541   int err;
 542   pkg_t *pkg = NULL;
 543   pkg_t *pkg_to_remove;
 544   opkg_progress_data_t pdata;
 545
 546   opkg_assert (opkg != NULL);
 547   opkg_assert (package_name != NULL);
 548
 549   pkg_info_preinstall_check (opkg->conf);
 550
 551   pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, package_name);
 552
 553   if (pkg == NULL)
 554   {
 555     /* XXX: Error: Package not installed. */
 556     return OPKG_PACKAGE_NOT_INSTALLED;
 557   }
 558
 559   pdata.action = OPKG_REMOVE;
 560   pdata.package = pkg_t_to_opkg_package_t (pkg);
 561   progress (pdata, 0);
 562
 563
 564   if (pkg->state_status == SS_NOT_INSTALLED)
 565   {
 566     /* XXX:  Error: Package seems to be not installed (STATUS = NOT_INSTALLED). */
 567     opkg_package_free (pdata.package);
 568     return OPKG_PACKAGE_NOT_INSTALLED;
 569   }
 570   progress (pdata, 25);
 571
 572   if (opkg->conf->restrict_to_default_dest)
 573   {
 574     pkg_to_remove = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
 575                                                            pkg->name,
 576                                                            opkg->conf->default_dest);
 577   }
 578   else
 579   {
 580     pkg_to_remove = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, pkg->name );
 581   }
 582
 583
 584   progress (pdata, 75);
 585
 586   err = opkg_remove_pkg (opkg->conf, pkg_to_remove, 0);
 587
 588   /* write out status files and file lists */
 589   opkg_conf_write_status_files (opkg->conf);
 590   pkg_write_changed_filelists (opkg->conf);
 591
 592
 593   progress (pdata, 100);
 594   opkg_package_free (pdata.package);
 595   return (err) ? OPKG_UNKNOWN_ERROR : OPKG_NO_ERROR;
 596 }
 597
 598 int
 599 opkg_upgrade_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 600 {
 601   int err;
 602   pkg_t *pkg;
 603   opkg_progress_data_t pdata;
 604
 605
 606
 607   opkg_assert (opkg != NULL);
 608   opkg_assert (package_name != NULL);
 609
 610   pkg_info_preinstall_check (opkg->conf);
 611
 612   if (opkg->conf->restrict_to_default_dest)
 613   {
 614     pkg = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
 615                                                  package_name,
 616                                                  opkg->conf->default_dest);
 617     if (pkg == NULL)
 618     {
 619       /* XXX: Error: Package not installed in default_dest */
 620       return OPKG_PACKAGE_NOT_INSTALLED;
 621     }
 622   }
 623   else
 624   {
 625     pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash,
 626                                             package_name);
 627   }
 628
 629   if (!pkg)
 630   {
 631     /* XXX: Error: Package not installed */
 632     return OPKG_PACKAGE_NOT_INSTALLED;
 633   }
 634
 635   pdata.action = OPKG_INSTALL;
 636   pdata.package = pkg_t_to_opkg_package_t (pkg);
 637   progress (pdata, 0);
 638
 639   err = opkg_upgrade_pkg (opkg->conf, pkg);
 640   /* opkg_upgrade_pkg returns the error codes of opkg_install_pkg */
 641   if (err)
 642   {
 643     opkg_package_free (pdata.package);
 644     return OPKG_UNKNOWN_ERROR;
 645   }
 646   progress (pdata, 75);
 647
 648   err = opkg_configure_packages (opkg->conf, NULL);
 649   if (err) {
 650     opkg_package_free (pdata.package);
 651     return OPKG_UNKNOWN_ERROR;
 652   }
 653
 654   /* write out status files and file lists */
 655   opkg_conf_write_status_files (opkg->conf);
 656   pkg_write_changed_filelists (opkg->conf);
 657
 658   progress (pdata, 100);
 659   opkg_package_free (pdata.package);
 660   return 0;
 661 }
 662
 663 int
 664 opkg_upgrade_all (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
 665 {
 666   pkg_vec_t *installed;
 667   int err = 0;
 668   int i;
 669   pkg_t *pkg;
 670   opkg_progress_data_t pdata;
 671
 672   pdata.action = OPKG_INSTALL;
 673   pdata.package = NULL;
 674
 675   opkg_assert (opkg != NULL);
 676   progress (pdata, 0);
 677
 678   installed = pkg_vec_alloc ();
 679   pkg_info_preinstall_check (opkg->conf);
 680
 681   pkg_hash_fetch_all_installed (&opkg->conf->pkg_hash, installed);
 682   for (i = 0; i < installed->len; i++)
 683   {
 684     pkg = installed->pkgs[i];
 685
 686     pdata.package = pkg_t_to_opkg_package_t (pkg);
 687     progress (pdata, 99 * i / installed->len);
 688     opkg_package_free (pdata.package);
 689
 690     err += opkg_upgrade_pkg (opkg->conf, pkg);
 691   }
 692   pkg_vec_free (installed);
 693
 694   if (err)
 695     return 1;
 696
 697   err = opkg_configure_packages (opkg->conf, NULL);
 698   if (err)
 699     return 1;
 700
 701   pdata.package = NULL;
 702   progress (pdata, 100);
 703   return 0;
 704 }
 705
 706 int
 707 opkg_update_package_lists (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
 708 {
 709   char *tmp;
 710   int err, result = 0;
 711   char *lists_dir;
 712   pkg_src_list_elt_t *iter;
 713   pkg_src_t *src;
 714   int sources_list_count, sources_done;
 715   opkg_progress_data_t pdata;
 716
 717   opkg_assert (opkg != NULL);
 718
 719   pdata.action = OPKG_DOWNLOAD;
 720   pdata.package = NULL;
 721   progress (pdata, 0);
 722
 723   sprintf_alloc (&lists_dir, "%s",
 724                  (opkg->conf->restrict_to_default_dest)
 725                  ? opkg->conf->default_dest->lists_dir
 726                  : opkg->conf->lists_dir);
 727
 728   if (!file_is_dir (lists_dir))
 729   {
 730     if (file_exists (lists_dir))
 731     {
 732       /* XXX: Error: file exists but is not a directory */
 733       free (lists_dir);
 734       return 1;
 735     }
 736
 737     err = file_mkdir_hier (lists_dir, 0755);
 738     if (err)
 739     {
 740       /* XXX: Error: failed to create directory */
 741       free (lists_dir);
 742       return 1;
 743     }
 744   }
 745
 746   sprintf_alloc(&tmp, "%s/update-XXXXXX", opkg->conf->tmp_dir);
 747   if (mkdtemp (tmp) == NULL) {
 748     /* XXX: Error: could not create temporary file name */
 749     free (lists_dir);
 750     free (tmp);
 751     return 1;
 752   }
 753
 754   /* count the number of sources so we can give some progress updates */
 755   sources_list_count = 0;
 756   sources_done = 0;
 757   list_for_each_entry(iter, &opkg->conf->pkg_src_list.head, node)
 758   {
 759     sources_list_count++;
 760   }
 761
 762   list_for_each_entry(iter, &opkg->conf->pkg_src_list.head, node)
 763   {
 764     char *url, *list_file_name = NULL;
 765
 766     src = (pkg_src_t *)iter->data;
 767
 768     if (src->extra_data)  /* debian style? */
 769       sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
 770                      src->gzip ? "Packages.gz" : "Packages");
 771     else
 772       sprintf_alloc (&url, "%s/%s", src->value, src->gzip ? "Packages.gz" : "Packages");
 773
 774     sprintf_alloc (&list_file_name, "%s/%s", lists_dir, src->name);
 775     if (src->gzip)
 776     {
 777       FILE *in, *out;
 778       struct _curl_cb_data cb_data;
 779       char *tmp_file_name = NULL;
 780
 781       sprintf_alloc (&tmp_file_name, "%s/%s.gz", tmp, src->name);
 782
 783       /* XXX: Note: downloading url */
 784
 785       cb_data.cb = progress_callback;
 786       cb_data.progress_data = &pdata;
 787       cb_data.opkg = opkg;
 788       cb_data.user_data = user_data;
 789       cb_data.start_range = 100 * sources_done / sources_list_count;
 790       cb_data.finish_range = 100 * (sources_done + 1) / sources_list_count;
 791
 792       err = opkg_download (opkg->conf, url, tmp_file_name, (curl_progress_func) curl_progress_cb, &cb_data);
 793
 794       if (err == 0)
 795       {
 796         /* XXX: Note: Inflating downloaded file */
 797         in = fopen (tmp_file_name, "r");
 798         out = fopen (list_file_name, "w");
 799         if (in && out)
 800           unzip (in, out);
 801         else
 802           err = 1;
 803         if (in)
 804           fclose (in);
 805         if (out)
 806           fclose (out);
 807         unlink (tmp_file_name);
 808       }
 809       free (tmp_file_name);
 810     }
 811     else
 812       err = opkg_download (opkg->conf, url, list_file_name, NULL, NULL);
 813
 814     if (err)
 815     {
 816       /* XXX: Error: download error */
 817       result = OPKG_DOWNLOAD_FAILED;
 818     }
 819     free (url);
 820
 821 #if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
 822     if ( opkg->conf->check_signature ) {
 823         char *sig_file_name;
 824         /* download detached signitures to verify the package lists */
 825         /* get the url for the sig file */
 826         if (src->extra_data)  /* debian style? */
 827             sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
 828                     "Packages.sig");
 829         else
 830             sprintf_alloc (&url, "%s/%s", src->value, "Packages.sig");
 831
 832         /* create filename for signature */
 833         sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, src->name);
 834
 835         /* make sure there is no existing signature file */
 836         unlink (sig_file_name);
 837
 838         err = opkg_download (opkg->conf, url, sig_file_name, NULL, NULL);
 839         if (err)
 840         {
 841             /* XXX: Warning: Download failed */
 842         }
 843         else
 844         {
 845             int err;
 846             err = opkg_verify_file (opkg->conf, list_file_name, sig_file_name);
 847             if (err == 0)
 848             {
 849                 /* XXX: Notice: Signature check passed */
 850             }
 851             else
 852             {
 853                 /* XXX: Warning: Signature check failed */
 854             }
 855         }
 856         free (sig_file_name);
 857         free (list_file_name);
 858         free (url);
 859     }
 860 #else
 861     /* XXX: Note: Signature check for %s skipped because GPG support was not
 862      * enabled in this build
 863      */
 864 #endif
 865
 866     sources_done++;
 867     progress (pdata, 100 * sources_done / sources_list_count);
 868   }
 869
 870   rmdir (tmp);
 871   free (tmp);
 872   free (lists_dir);
 873
 874   /* Now re-read the package lists to update package hash tables. */
 875   opkg_re_read_config_files (opkg);
 876
 877   return result;
 878 }
 879
 880
 881 int
 882 opkg_list_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
 883 {
 884   pkg_vec_t *all;
 885   int i;
 886
 887   opkg_assert (opkg);
 888   opkg_assert (callback);
 889
 890   all = pkg_vec_alloc ();
 891   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 892   for (i = 0; i < all->len; i++)
 893   {
 894     pkg_t *pkg;
 895     opkg_package_t *package;
 896
 897     pkg = all->pkgs[i];
 898
 899     package = pkg_t_to_opkg_package_t (pkg);
 900     callback (opkg, package, user_data);
 901     opkg_package_free (package);
 902   }
 903
 904   pkg_vec_free (all);
 905
 906   return 0;
 907 }
 908
 909 int
 910 opkg_list_upgradable_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
 911 {
 912     struct active_list *head;
 913     struct active_list *node;
 914     pkg_t *old=NULL, *new = NULL;
 915     static opkg_package_t* package=NULL;
 916
 917
 918     opkg_assert (opkg);
 919     opkg_assert (callback);
 920
 921     /* ensure all data is valid */
 922     pkg_info_preinstall_check (opkg->conf);
 923
 924     head  =  prepare_upgrade_list(opkg->conf);
 925     for (node=active_list_next(head, head); node; active_list_next(head,node)) {
 926         old = list_entry(node, pkg_t, list);
 927         new = pkg_hash_fetch_best_installation_candidate_by_name(opkg->conf, old->name);
 928         if (new == NULL)
 929                 continue;
 930         package = pkg_t_to_opkg_package_t (new);
 931         callback (opkg, package, user_data);
 932         opkg_package_free (package);
 933     }
 934     active_list_head_delete(head);
 935     return 0;
 936 }
 937
 938 opkg_package_t*
 939 opkg_find_package (opkg_t *opkg, const char *name, const char *ver, const char *arch, const char *repo)
 940 {
 941   pkg_vec_t *all;
 942   opkg_package_t *package = NULL;
 943   int i;
 944 #define sstrcmp(x,y) (x && y) ? strcmp (x, y) : 0
 945
 946   opkg_assert (opkg);
 947
 948   all = pkg_vec_alloc ();
 949   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 950   for (i = 0; i < all->len; i++)
 951   {
 952     pkg_t *pkg;
 953     char *pkgv;
 954
 955     pkg = all->pkgs[i];
 956
 957     /* check name */
 958     if (sstrcmp (pkg->name, name))
 959       continue;
 960
 961     /* check version */
 962     pkgv = pkg_version_str_alloc (pkg);
 963     if (sstrcmp (pkgv, ver))
 964     {
 965       free (pkgv);
 966       continue;
 967     }
 968     free (pkgv);
 969
 970     /* check architecture */
 971     if (arch)
 972     {
 973       if (sstrcmp (pkg->architecture, arch))
 974         continue;
 975     }
 976
 977     /* check repository */
 978     if (repo)
 979     {
 980       if (sstrcmp (pkg->src->name, repo))
 981           continue;
 982     }
 983
 984     /* match found */
 985     package = pkg_t_to_opkg_package_t (pkg);
 986     break;
 987   }
 988
 989   pkg_vec_free (all);
 990
 991   return package;
 992 }
 993
 994 #ifdef HAVE_CURL
 995 #include <curl/curl.h>
 996 #endif
 997 /**
 998  * @brief Check the accessibility of repositories. It will try to access the repository to check if the respository is accessible throught current network status.
 999  * @param opkg The opkg_t
1000  * @return return how many repositories cannot access. 0 means all okay.
1001  */
1002 int opkg_repository_accessibility_check(opkg_t *opkg)
1003 {
1004   pkg_src_list_elt_t *iter;
1005   str_list_elt_t *iter1;
1006   str_list_t *src;
1007   int repositories=0;
1008   int ret=0;
1009   int err;
1010   char *repo_ptr;
1011   char *stmp;
1012   opkg_assert(opkg != NULL);
1013
1014   src = str_list_alloc();
1015
1016   list_for_each_entry(iter, &opkg->conf->pkg_src_list.head, node)
1017   {
1018     if (strstr(((pkg_src_t *)iter->data)->value, "://") &&
1019                     index(strstr(((pkg_src_t *)iter->data)->value, "://") + 3, '/'))
1020       stmp = xstrndup(((pkg_src_t *)iter->data)->value,
1021                       (index(strstr(((pkg_src_t *)iter->data)->value, "://") + 3, '/') - ((pkg_src_t *)iter->data)->value)*sizeof(char));
1022
1023     else
1024       stmp = xstrdup(((pkg_src_t *)iter->data)->value);
1025
1026     for (iter1 = str_list_first(src); iter1; iter1 = str_list_next(src, iter1))
1027     {
1028       if (strstr(iter1->data, stmp))
1029         break;
1030     }
1031     if (iter1)
1032       continue;
1033
1034     sprintf_alloc(&repo_ptr, "%s/index.html",stmp);
1035     free(stmp);
1036
1037     str_list_append(src, repo_ptr);
1038     free(repo_ptr);
1039     repositories++;
1040   }
1041   while (repositories > 0)
1042   {
1043     iter1 = str_list_pop(src);
1044     repositories--;
1045
1046     err = opkg_download(opkg->conf, iter1->data, "/dev/null", NULL, NULL);
1047 #ifdef HAVE_CURL
1048     if (!(err == CURLE_OK ||
1049                 err == CURLE_HTTP_RETURNED_ERROR ||
1050                 err == CURLE_FILE_COULDNT_READ_FILE ||
1051                 err == CURLE_REMOTE_FILE_NOT_FOUND ||
1052                 err == CURLE_TFTP_NOTFOUND
1053                 )) {
1054 #else
1055     if (!(err == 0)) {
1056 #endif
1057             ret++;
1058     }
1059     str_list_elt_deinit(iter1);
1060   }
1061   free(src);
1062   return ret;
1063 }