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 errlist* error_list;
  38
  39 struct _opkg_t
  40 {
  41   args_t *args;
  42   opkg_conf_t *conf;
  43   opkg_option_t *options;
  44 };
  45
  46 #define opkg_assert(expr) if (!(expr)) { \
  47     printf ("opkg: file %s: line %d (%s): Assertation '%s' failed",\
  48             __FILE__, __LINE__, __PRETTY_FUNCTION__, # expr); abort (); }
  49
  50 #define progress(d, p) d.percentage = p; if (progress_callback) progress_callback (opkg, &d, user_data);
  51 #define SSTRCMP(x,y) (x && y) ? strcmp (x, y) : 0
  52
  53 /** Private Functions ***/
  54
  55 static opkg_package_t*
  56 old_pkg_to_new (pkg_t *old)
  57 {
  58   opkg_package_t *new;
  59
  60   new = opkg_package_new ();
  61
  62 #define sstrdup(x) (x) ? strdup (x) : NULL;
  63
  64   new->name = sstrdup (old->name);
  65   new->version = pkg_version_str_alloc (old);
  66   new->architecture = sstrdup (old->architecture);
  67   if (old->src)
  68     new->repository = sstrdup (old->src->name);
  69   new->description = sstrdup (old->description);
  70   new->tags = sstrdup (old->tags);
  71   new->url = sstrdup (old->url);
  72
  73   new->size = (old->size) ? atoi (old->size) : 0;
  74   new->installed = (old->state_status == SS_INSTALLED);
  75
  76   return new;
  77 }
  78
  79 static int
  80 opkg_configure_packages(opkg_conf_t *conf, char *pkg_name)
  81 {
  82   pkg_vec_t *all;
  83   int i;
  84   pkg_t *pkg;
  85   int r, err = 0;
  86
  87   all = pkg_vec_alloc ();
  88   pkg_hash_fetch_available (&conf->pkg_hash, all);
  89
  90   for (i = 0; i < all->len; i++)
  91   {
  92     pkg = all->pkgs[i];
  93
  94     if (pkg_name && fnmatch (pkg_name, pkg->name, 0))
  95       continue;
  96
  97     if (pkg->state_status == SS_UNPACKED)
  98     {
  99       r = opkg_configure (conf, pkg);
 100       if (r == 0)
 101       {
 102         pkg->state_status = SS_INSTALLED;
 103         pkg->parent->state_status = SS_INSTALLED;
 104         pkg->state_flag &= ~SF_PREFER;
 105       }
 106       else
 107       {
 108         if (!err)
 109           err = r;
 110       }
 111     }
 112   }
 113
 114   pkg_vec_free (all);
 115   return err;
 116 }
 117
 118 struct _curl_cb_data
 119 {
 120   opkg_progress_callback_t cb;
 121   opkg_progress_data_t *progress_data;
 122   opkg_t *opkg;
 123   void *user_data;
 124   int start_range;
 125   int finish_range;
 126 };
 127
 128 int
 129 curl_progress_cb (struct _curl_cb_data *cb_data,
 130                   double t,   /* dltotal */
 131                   double d,   /* dlnow */
 132                   double ultotal,
 133                   double ulnow)
 134 {
 135   int p = (t) ? d * 100 / t : 0;
 136   static int prev = -1;
 137   int progress = 0;
 138
 139   /* prevent the same value being sent twice (can occur due to rounding) */
 140   if (p == prev)
 141     return 0;
 142   prev = p;
 143
 144   if (t < 1)
 145     return 0;
 146
 147   progress = cb_data->start_range + (d / t * ((cb_data->finish_range - cb_data->start_range)));
 148   cb_data->progress_data->percentage = progress;
 149
 150   (cb_data->cb)(cb_data->opkg,
 151                 cb_data->progress_data,
 152                 cb_data->user_data);
 153
 154   return 0;
 155 }
 156
 157
 158 /*** Public API ***/
 159
 160 opkg_package_t *
 161 opkg_package_new ()
 162 {
 163
 164   opkg_package_t *p;
 165
 166   p = calloc (1, sizeof (opkg_package_t));
 167
 168   return p;
 169 }
 170
 171 void
 172 opkg_package_free (opkg_package_t *p)
 173 {
 174   free (p->name);
 175   free (p->version);
 176   free (p->architecture);
 177   free (p->description);
 178   free (p->tags);
 179   free (p->url);
 180   free (p->repository);
 181
 182   free (p);
 183 }
 184
 185 opkg_t *
 186 opkg_new ()
 187 {
 188   opkg_t *opkg;
 189   int err;
 190
 191   opkg = calloc (1, sizeof (opkg_t));
 192
 193   opkg->args = calloc (1, sizeof (args_t));
 194   err = args_init (opkg->args);
 195   if (err)
 196   {
 197     free (opkg->args);
 198     free (opkg);
 199     return NULL;
 200   }
 201
 202   opkg->conf = calloc (1, sizeof (opkg_conf_t));
 203   err = opkg_conf_init (opkg->conf, opkg->args);
 204   if (err)
 205   {
 206     free (opkg->conf);
 207     free (opkg->args);
 208     free (opkg);
 209     return NULL;
 210   }
 211
 212   opkg_init_options_array (opkg->conf, &opkg->options);
 213   return opkg;
 214 }
 215
 216 void
 217 opkg_free (opkg_t *opkg)
 218 {
 219   opkg_assert (opkg != NULL);
 220
 221   opkg_conf_deinit (opkg->conf);
 222   args_deinit (opkg->args);
 223   free (opkg->options);
 224   free (opkg->args);
 225   free (opkg->conf);
 226   free (opkg);
 227 }
 228
 229 int
 230 opkg_re_read_config_files (opkg_t *opkg)
 231 {
 232   args_t *a;
 233   opkg_conf_t *c;
 234
 235   opkg_assert (opkg != NULL);
 236
 237   a = opkg->args;
 238   c = opkg->conf;
 239
 240   /* Unfortunatly, the easiest way to re-read the config files right now is to
 241    * throw away opkg->conf and start again */
 242
 243   /* copy the settings we need to keep */
 244   a->autoremove = c->autoremove;
 245   a->force_depends = c->force_depends;
 246   a->force_defaults = c->force_defaults;
 247   a->force_overwrite = c->force_overwrite;
 248   a->force_downgrade = c->force_downgrade;
 249   a->force_reinstall = c->force_reinstall;
 250   a->force_removal_of_dependent_packages = c->force_removal_of_dependent_packages;
 251   a->force_removal_of_essential_packages = c->force_removal_of_essential_packages;
 252   a->nodeps = c->nodeps;
 253   a->noaction = c->noaction;
 254   a->query_all = c->query_all;
 255   a->verbosity = c->verbosity;
 256
 257   if (c->offline_root)
 258   {
 259     if (a->offline_root) free (a->offline_root);
 260     a->offline_root = strdup (c->offline_root);
 261   }
 262
 263   if (c->offline_root_pre_script_cmd)
 264   {
 265     if (a->offline_root_pre_script_cmd) free (a->offline_root_pre_script_cmd);
 266     a->offline_root_pre_script_cmd = strdup (c->offline_root_pre_script_cmd);
 267   }
 268
 269   if (c->offline_root_post_script_cmd)
 270   {
 271     if (a->offline_root_post_script_cmd) free (a->offline_root_post_script_cmd);
 272     a->offline_root_post_script_cmd = strdup (c->offline_root_post_script_cmd);
 273   }
 274
 275   if (c->cache) {
 276     if (a->cache)
 277         free (a->cache);
 278     a->cache = strdup(c->cache);
 279   }
 280
 281   /* throw away old opkg_conf and start again */
 282   opkg_conf_deinit (opkg->conf);
 283   opkg_conf_init (opkg->conf, opkg->args);
 284
 285   free (opkg->options);
 286   opkg_init_options_array (opkg->conf, &opkg->options);
 287
 288   return 0;
 289 }
 290
 291 void
 292 opkg_get_option (opkg_t *opkg, char *option, void **value)
 293 {
 294   int i = 0;
 295   opkg_option_t *options;
 296
 297   opkg_assert (opkg != NULL);
 298   opkg_assert (option != NULL);
 299   opkg_assert (value != NULL);
 300
 301   options = opkg->options;
 302
 303   /* look up the option
 304    * TODO: this would be much better as a hash table
 305    */
 306   while (options[i].name)
 307   {
 308     if (strcmp (options[i].name, option) != 0)
 309     {
 310       i++;
 311       continue;
 312     }
 313   }
 314
 315   /* get the option */
 316   switch (options[i].type)
 317   {
 318   case OPKG_OPT_TYPE_BOOL:
 319     *((int *) value) = *((int *) options[i].value);
 320     return;
 321
 322   case OPKG_OPT_TYPE_INT:
 323     *((int *) value) = *((int *) options[i].value);
 324     return;
 325
 326   case OPKG_OPT_TYPE_STRING:
 327     *((char **)value) = strdup (options[i].value);
 328     return;
 329   }
 330
 331 }
 332
 333 void
 334 opkg_set_option (opkg_t *opkg, char *option, void *value)
 335 {
 336   int i = 0, found = 0;
 337   opkg_option_t *options;
 338
 339   opkg_assert (opkg != NULL);
 340   opkg_assert (option != NULL);
 341   opkg_assert (value != NULL);
 342
 343   options = opkg->options;
 344
 345   /* look up the option
 346    * TODO: this would be much better as a hash table
 347    */
 348   while (options[i].name)
 349   {
 350     if (strcmp (options[i].name, option) == 0)
 351     {
 352       found = 1;
 353       break;
 354     }
 355     i++;
 356   }
 357
 358   if (!found)
 359   {
 360     /* XXX: Warning: Option not found */
 361     return;
 362   }
 363
 364   /* set the option */
 365   switch (options[i].type)
 366   {
 367   case OPKG_OPT_TYPE_BOOL:
 368     if (*((int *) value) == 0)
 369       *((int *)options[i].value) = 0;
 370     else
 371       *((int *)options[i].value) = 1;
 372     return;
 373
 374   case OPKG_OPT_TYPE_INT:
 375     *((int *) options[i].value) = *((int *) value);
 376     return;
 377
 378   case OPKG_OPT_TYPE_STRING:
 379     *((char **)options[i].value) = strdup (value);
 380     return;
 381   }
 382
 383 }
 384
 385 int
 386 opkg_install_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 387 {
 388   int err;
 389   char *stripped_filename;
 390   opkg_progress_data_t pdata;
 391   pkg_t *old, *new;
 392   pkg_vec_t *deps, *all;
 393   int i, ndepends;
 394   char **unresolved = NULL;
 395
 396   opkg_assert (opkg != NULL);
 397   opkg_assert (package_name != NULL);
 398
 399   /* ... */
 400   pkg_info_preinstall_check (opkg->conf);
 401
 402
 403   /* check to ensure package is not already installed */
 404   old = pkg_hash_fetch_installed_by_name(&opkg->conf->pkg_hash, package_name);
 405   if (old)
 406   {
 407     /* XXX: Error: Package is already installed. */
 408     return OPKG_PACKAGE_ALREADY_INSTALLED;
 409   }
 410
 411   new = pkg_hash_fetch_best_installation_candidate_by_name(opkg->conf, package_name, NULL);
 412   if (!new)
 413   {
 414     /* XXX: Error: Could not find package to install */
 415     return OPKG_PACKAGE_NOT_FOUND;
 416   }
 417
 418   new->state_flag |= SF_USER;
 419
 420   pdata.action = OPKG_INSTALL;
 421   pdata.package = old_pkg_to_new (new);
 422
 423   progress (pdata, 0);
 424
 425   /* find dependancies and download them */
 426   deps = pkg_vec_alloc ();
 427   /* this function does not return the original package, so we insert it later */
 428   ndepends = pkg_hash_fetch_unsatisfied_dependencies (opkg->conf, new, deps, &unresolved);
 429   if (unresolved)
 430   {
 431     /* XXX: Error: Could not satisfy dependencies */
 432     pkg_vec_free (deps);
 433     return OPKG_DEPENDENCIES_FAILED;
 434   }
 435
 436   /* insert the package we are installing so that we download it */
 437   pkg_vec_insert (deps, new);
 438
 439   /* download package and dependancies */
 440   for (i = 0; i < deps->len; i++)
 441   {
 442     pkg_t *pkg;
 443     struct _curl_cb_data cb_data;
 444     char *url;
 445
 446     pkg = deps->pkgs[i];
 447     if (pkg->local_filename)
 448       continue;
 449
 450     opkg_package_free (pdata.package);
 451     pdata.package = old_pkg_to_new (pkg);
 452     pdata.action = OPKG_DOWNLOAD;
 453
 454     if (pkg->src == NULL)
 455     {
 456       /* XXX: Error: Package not available from any configured src */
 457       return OPKG_PACKAGE_NOT_AVAILABLE;
 458     }
 459
 460     sprintf_alloc(&url, "%s/%s", pkg->src->value, pkg->filename);
 461
 462     /* Get the filename part, without any directory */
 463     stripped_filename = strrchr(pkg->filename, '/');
 464     if ( ! stripped_filename )
 465         stripped_filename = pkg->filename;
 466
 467     sprintf_alloc(&pkg->local_filename, "%s/%s", opkg->conf->tmp_dir, stripped_filename);
 468
 469     cb_data.cb = progress_callback;
 470     cb_data.progress_data = &pdata;
 471     cb_data.opkg = opkg;
 472     cb_data.user_data = user_data;
 473     /* 75% of "install" progress is for downloading */
 474     cb_data.start_range = 75 * i / deps->len;
 475     cb_data.finish_range = 75 * (i + 1) / deps->len;
 476
 477     err = opkg_download(opkg->conf, url, pkg->local_filename,
 478               (curl_progress_func) curl_progress_cb, &cb_data);
 479     free(url);
 480
 481     if (err)
 482     {
 483       pkg_vec_free (deps);
 484       opkg_package_free (pdata.package);
 485       return OPKG_DOWNLOAD_FAILED;
 486     }
 487
 488   }
 489   pkg_vec_free (deps);
 490
 491   /* clear depenacy checked marks, left by pkg_hash_fetch_unsatisfied_dependencies */
 492   all = pkg_vec_alloc ();
 493   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 494   for (i = 0; i < all->len; i++)
 495   {
 496     all->pkgs[i]->parent->dependencies_checked = 0;
 497   }
 498   pkg_vec_free (all);
 499
 500
 501   /* 75% of "install" progress is for downloading */
 502   opkg_package_free (pdata.package);
 503   pdata.package = old_pkg_to_new (new);
 504   pdata.action = OPKG_INSTALL;
 505   progress (pdata, 75);
 506
 507   /* unpack the package */
 508   err = opkg_install_pkg(opkg->conf, new, 0);
 509
 510   if (err)
 511   {
 512     opkg_package_free (pdata.package);
 513     switch (err)
 514     {
 515       case OPKG_INSTALL_ERR_NOT_TRUSTED: return OPKG_GPG_ERROR;
 516       case OPKG_INSTALL_ERR_DOWNLOAD: return OPKG_DOWNLOAD_FAILED;
 517       case OPKG_INSTALL_ERR_DEPENDENCIES:
 518       case OPKG_INSTALL_ERR_CONFLICTS: return OPKG_DEPENDENCIES_FAILED;
 519       case OPKG_INSTALL_ERR_ALREADY_INSTALLED: return OPKG_PACKAGE_ALREADY_INSTALLED;
 520       case OPKG_INSTALL_ERR_SIGNATURE: return OPKG_GPG_ERROR;
 521       case OPKG_INSTALL_ERR_MD5: return OPKG_MD5_ERROR;
 522       default: return OPKG_UNKNOWN_ERROR;
 523     }
 524   }
 525
 526   progress (pdata, 75);
 527
 528   /* run configure scripts, etc. */
 529   err = opkg_configure_packages (opkg->conf, NULL);
 530   if (err)
 531   {
 532     opkg_package_free (pdata.package);
 533     return OPKG_UNKNOWN_ERROR;
 534   }
 535
 536   /* write out status files and file lists */
 537   opkg_conf_write_status_files (opkg->conf);
 538   pkg_write_changed_filelists (opkg->conf);
 539
 540   progress (pdata, 100);
 541   opkg_package_free (pdata.package);
 542   return 0;
 543 }
 544
 545 int
 546 opkg_remove_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 547 {
 548   int err;
 549   pkg_t *pkg = NULL;
 550   pkg_t *pkg_to_remove;
 551   opkg_progress_data_t pdata;
 552
 553   opkg_assert (opkg != NULL);
 554   opkg_assert (package_name != NULL);
 555
 556   pkg_info_preinstall_check (opkg->conf);
 557
 558   pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, package_name);
 559
 560   if (pkg == NULL)
 561   {
 562     /* XXX: Error: Package not installed. */
 563     return OPKG_PACKAGE_NOT_INSTALLED;
 564   }
 565
 566   pdata.action = OPKG_REMOVE;
 567   pdata.package = old_pkg_to_new (pkg);
 568   progress (pdata, 0);
 569
 570
 571   if (pkg->state_status == SS_NOT_INSTALLED)
 572   {
 573     /* XXX:  Error: Package seems to be not installed (STATUS = NOT_INSTALLED). */
 574     opkg_package_free (pdata.package);
 575     return OPKG_PACKAGE_NOT_INSTALLED;
 576   }
 577   progress (pdata, 25);
 578
 579   if (opkg->conf->restrict_to_default_dest)
 580   {
 581     pkg_to_remove = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
 582                                                            pkg->name,
 583                                                            opkg->conf->default_dest);
 584   }
 585   else
 586   {
 587     pkg_to_remove = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, pkg->name );
 588   }
 589
 590
 591   progress (pdata, 75);
 592
 593   err = opkg_remove_pkg (opkg->conf, pkg_to_remove, 0);
 594
 595   /* write out status files and file lists */
 596   opkg_conf_write_status_files (opkg->conf);
 597   pkg_write_changed_filelists (opkg->conf);
 598
 599
 600   progress (pdata, 100);
 601   opkg_package_free (pdata.package);
 602   return (err) ? OPKG_UNKNOWN_ERROR : OPKG_NO_ERROR;
 603 }
 604
 605 int
 606 opkg_upgrade_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 607 {
 608   int err;
 609   pkg_t *pkg;
 610   opkg_progress_data_t pdata;
 611
 612
 613
 614   opkg_assert (opkg != NULL);
 615   opkg_assert (package_name != NULL);
 616
 617   pkg_info_preinstall_check (opkg->conf);
 618
 619   if (opkg->conf->restrict_to_default_dest)
 620   {
 621     pkg = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
 622                                                  package_name,
 623                                                  opkg->conf->default_dest);
 624     if (pkg == NULL)
 625     {
 626       /* XXX: Error: Package not installed in default_dest */
 627       return OPKG_PACKAGE_NOT_INSTALLED;
 628     }
 629   }
 630   else
 631   {
 632     pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash,
 633                                             package_name);
 634   }
 635
 636   if (!pkg)
 637   {
 638     /* XXX: Error: Package not installed */
 639     return OPKG_PACKAGE_NOT_INSTALLED;
 640   }
 641
 642   pdata.action = OPKG_INSTALL;
 643   pdata.package = old_pkg_to_new (pkg);
 644   progress (pdata, 0);
 645
 646   err = opkg_upgrade_pkg (opkg->conf, pkg);
 647   /* opkg_upgrade_pkg returns the error codes of opkg_install_pkg */
 648   if (err)
 649   {
 650
 651     opkg_package_free (pdata.package);
 652     switch (err)
 653     {
 654       case OPKG_INSTALL_ERR_NOT_TRUSTED: return OPKG_GPG_ERROR;
 655       case OPKG_INSTALL_ERR_DOWNLOAD: return OPKG_DOWNLOAD_FAILED;
 656       case OPKG_INSTALL_ERR_DEPENDENCIES:
 657       case OPKG_INSTALL_ERR_CONFLICTS: return OPKG_DEPENDENCIES_FAILED;
 658       case OPKG_INSTALL_ERR_ALREADY_INSTALLED: return OPKG_PACKAGE_ALREADY_INSTALLED;
 659       case OPKG_INSTALL_ERR_SIGNATURE: return OPKG_GPG_ERROR;
 660       case OPKG_INSTALL_ERR_MD5: return OPKG_MD5_ERROR;
 661       default: return OPKG_UNKNOWN_ERROR;
 662     }
 663   }
 664   progress (pdata, 75);
 665
 666   err = opkg_configure_packages (opkg->conf, NULL);
 667   if (err) {
 668     opkg_package_free (pdata.package);
 669     return OPKG_UNKNOWN_ERROR;
 670   }
 671
 672   /* write out status files and file lists */
 673   opkg_conf_write_status_files (opkg->conf);
 674   pkg_write_changed_filelists (opkg->conf);
 675
 676   progress (pdata, 100);
 677   opkg_package_free (pdata.package);
 678   return 0;
 679 }
 680
 681 int
 682 opkg_upgrade_all (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
 683 {
 684   pkg_vec_t *installed;
 685   int err = 0;
 686   int i;
 687   pkg_t *pkg;
 688   opkg_progress_data_t pdata;
 689
 690   pdata.action = OPKG_INSTALL;
 691   pdata.package = NULL;
 692
 693   opkg_assert (opkg != NULL);
 694   progress (pdata, 0);
 695
 696   installed = pkg_vec_alloc ();
 697   pkg_info_preinstall_check (opkg->conf);
 698
 699   pkg_hash_fetch_all_installed (&opkg->conf->pkg_hash, installed);
 700   for (i = 0; i < installed->len; i++)
 701   {
 702     pkg = installed->pkgs[i];
 703
 704     pdata.package = old_pkg_to_new (pkg);
 705     progress (pdata, 99 * i / installed->len);
 706     opkg_package_free (pdata.package);
 707
 708     err += opkg_upgrade_pkg (opkg->conf, pkg);
 709   }
 710   pkg_vec_free (installed);
 711
 712   if (err)
 713     return 1;
 714
 715   err = opkg_configure_packages (opkg->conf, NULL);
 716   if (err)
 717     return 1;
 718
 719   pdata.package = NULL;
 720   progress (pdata, 100);
 721   return 0;
 722 }
 723
 724 int
 725 opkg_update_package_lists (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
 726 {
 727   char *tmp;
 728   int err, result = 0;
 729   char *lists_dir;
 730   pkg_src_list_elt_t *iter;
 731   pkg_src_t *src;
 732   int sources_list_count, sources_done;
 733   opkg_progress_data_t pdata;
 734
 735   opkg_assert (opkg != NULL);
 736
 737   pdata.action = OPKG_DOWNLOAD;
 738   pdata.package = NULL;
 739   progress (pdata, 0);
 740
 741   sprintf_alloc (&lists_dir, "%s",
 742                  (opkg->conf->restrict_to_default_dest)
 743                  ? opkg->conf->default_dest->lists_dir
 744                  : opkg->conf->lists_dir);
 745
 746   if (!file_is_dir (lists_dir))
 747   {
 748     if (file_exists (lists_dir))
 749     {
 750       /* XXX: Error: file exists but is not a directory */
 751       free (lists_dir);
 752       return 1;
 753     }
 754
 755     err = file_mkdir_hier (lists_dir, 0755);
 756     if (err)
 757     {
 758       /* XXX: Error: failed to create directory */
 759       free (lists_dir);
 760       return 1;
 761     }
 762   }
 763
 764   tmp = strdup ("/tmp/opkg.XXXXXX");
 765
 766   if (mkdtemp (tmp) == NULL)
 767   {
 768     /* XXX: Error: could not create temporary file name */
 769     free (lists_dir);
 770     free (tmp);
 771     return 1;
 772   }
 773
 774   /* count the number of sources so we can give some progress updates */
 775   sources_list_count = 0;
 776   sources_done = 0;
 777   iter = opkg->conf->pkg_src_list.head;
 778   while (iter)
 779   {
 780     sources_list_count++;
 781     iter = iter->next;
 782   }
 783
 784   for (iter = opkg->conf->pkg_src_list.head; iter; iter = iter->next)
 785   {
 786     char *url, *list_file_name = NULL;
 787
 788     src = iter->data;
 789
 790     if (src->extra_data)  /* debian style? */
 791       sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
 792                      src->gzip ? "Packages.gz" : "Packages");
 793     else
 794       sprintf_alloc (&url, "%s/%s", src->value, src->gzip ? "Packages.gz" : "Packages");
 795
 796     sprintf_alloc (&list_file_name, "%s/%s", lists_dir, src->name);
 797     if (src->gzip)
 798     {
 799       FILE *in, *out;
 800       struct _curl_cb_data cb_data;
 801       char *tmp_file_name = NULL;
 802
 803       sprintf_alloc (&tmp_file_name, "%s/%s.gz", tmp, src->name);
 804
 805       /* XXX: Note: downloading url */
 806
 807       cb_data.cb = progress_callback;
 808       cb_data.progress_data = &pdata;
 809       cb_data.opkg = opkg;
 810       cb_data.user_data = user_data;
 811       cb_data.start_range = 100 * sources_done / sources_list_count;
 812       cb_data.finish_range = 100 * (sources_done + 1) / sources_list_count;
 813
 814       err = opkg_download (opkg->conf, url, tmp_file_name, (curl_progress_func) curl_progress_cb, &cb_data);
 815
 816       if (err == 0)
 817       {
 818         /* XXX: Note: Inflating downloaded file */
 819         in = fopen (tmp_file_name, "r");
 820         out = fopen (list_file_name, "w");
 821         if (in && out)
 822           unzip (in, out);
 823         else
 824           err = 1;
 825         if (in)
 826           fclose (in);
 827         if (out)
 828           fclose (out);
 829         unlink (tmp_file_name);
 830       }
 831       free (tmp_file_name);
 832     }
 833     else
 834       err = opkg_download (opkg->conf, url, list_file_name, NULL, NULL);
 835
 836     if (err)
 837     {
 838       /* XXX: Error: download error */
 839       result = OPKG_DOWNLOAD_FAILED;
 840     }
 841     free (url);
 842
 843 #ifdef HAVE_GPGME
 844     char *sig_file_name;
 845     /* download detached signitures to verify the package lists */
 846     /* get the url for the sig file */
 847     if (src->extra_data)  /* debian style? */
 848       sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
 849                      "Packages.sig");
 850     else
 851       sprintf_alloc (&url, "%s/%s", src->value, "Packages.sig");
 852
 853     /* create filename for signature */
 854     sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, src->name);
 855
 856     /* make sure there is no existing signature file */
 857     unlink (sig_file_name);
 858
 859     err = opkg_download (opkg->conf, url, sig_file_name, NULL, NULL);
 860     if (err)
 861     {
 862       /* XXX: Warning: Download failed */
 863     }
 864     else
 865     {
 866       int err;
 867       err = opkg_verify_file (opkg->conf, list_file_name, sig_file_name);
 868       if (err == 0)
 869       {
 870         /* XXX: Notice: Signature check passed */
 871       }
 872       else
 873       {
 874         /* XXX: Warning: Signature check failed */
 875       }
 876     }
 877     free (sig_file_name);
 878     free (list_file_name);
 879     free (url);
 880 #else
 881     /* XXX: Note: Signature check for %s skipped because GPG support was not
 882      * enabled in this build
 883      */
 884 #endif
 885
 886     sources_done++;
 887     progress (pdata, 100 * sources_done / sources_list_count);
 888   }
 889
 890   rmdir (tmp);
 891   free (tmp);
 892   free (lists_dir);
 893
 894   /* Now re-read the package lists to update package hash tables. */
 895   opkg_re_read_config_files (opkg);
 896
 897   return result;
 898 }
 899
 900
 901 int
 902 opkg_list_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
 903 {
 904   pkg_vec_t *all;
 905   int i;
 906
 907   opkg_assert (opkg);
 908   opkg_assert (callback);
 909
 910   all = pkg_vec_alloc ();
 911   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 912   for (i = 0; i < all->len; i++)
 913   {
 914     pkg_t *pkg;
 915     opkg_package_t *package;
 916
 917     pkg = all->pkgs[i];
 918
 919     package = old_pkg_to_new (pkg);
 920     callback (opkg, package, user_data);
 921     opkg_package_free (package);
 922   }
 923
 924   pkg_vec_free (all);
 925
 926   return 0;
 927 }
 928
 929 int
 930 opkg_list_upgradable_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
 931 {
 932   pkg_vec_t *all;
 933   int i;
 934
 935   opkg_assert (opkg);
 936   opkg_assert (callback);
 937
 938   /* ensure all data is valid */
 939   pkg_info_preinstall_check (opkg->conf);
 940
 941   all = pkg_vec_alloc ();
 942   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 943   for (i = 0; i < all->len; i++)
 944   {
 945     pkg_t *old, *new;
 946     int cmp;
 947     opkg_package_t *package;
 948
 949     old = all->pkgs[i];
 950
 951     if (old->state_status != SS_INSTALLED)
 952       continue;
 953
 954     new = pkg_hash_fetch_best_installation_candidate_by_name(opkg->conf, old->name, NULL);
 955     if (new == NULL) {
 956       /* XXX: Notice: Assuming locally install package is up to date */
 957       continue;
 958     }
 959
 960     cmp = pkg_compare_versions(old, new);
 961
 962     if (cmp < 0)
 963     {
 964       package = old_pkg_to_new (new);
 965       callback (opkg, package, user_data);
 966       opkg_package_free (package);
 967     }
 968   }
 969
 970   pkg_vec_free (all);
 971
 972   return 0;
 973 }
 974
 975 opkg_package_t*
 976 opkg_find_package (opkg_t *opkg, const char *name, const char *ver, const char *arch, const char *repo)
 977 {
 978   pkg_vec_t *all;
 979   opkg_package_t *package = NULL;
 980   int i;
 981 #define sstrcmp(x,y) (x && y) ? strcmp (x, y) : 0
 982
 983   opkg_assert (opkg);
 984
 985   all = pkg_vec_alloc ();
 986   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 987   for (i = 0; i < all->len; i++)
 988   {
 989     pkg_t *pkg;
 990     char *pkgv;
 991
 992     pkg = all->pkgs[i];
 993
 994     /* check name */
 995     if (sstrcmp (pkg->name, name))
 996       continue;
 997
 998     /* check version */
 999     pkgv = pkg_version_str_alloc (pkg);
1000     if (sstrcmp (pkgv, ver))
1001     {
1002       free (pkgv);
1003       continue;
1004     }
1005     free (pkgv);
1006
1007     /* check architecture */
1008     if (arch)
1009     {
1010       if (sstrcmp (pkg->architecture, arch))
1011         continue;
1012     }
1013
1014     /* check repository */
1015     if (repo)
1016     {
1017       if (sstrcmp (pkg->src->name, repo))
1018           continue;
1019     }
1020
1021     /* match found */
1022     package = old_pkg_to_new (pkg);
1023     break;
1024   }
1025
1026   pkg_vec_free (all);
1027
1028   return package;
1029 }
1030
1031 #include <curl/curl.h>
1032 /**
1033  * @brief Check the accessibility of repositories. It will try to access the repository to check if the respository is accessible throught current network status.
1034  * @param opkg The opkg_t
1035  * @return return how many repositories cannot access. 0 means all okay.
1036  */
1037 int opkg_repository_accessibility_check(opkg_t *opkg)
1038 {
1039   pkg_src_list_elt_t *iter;
1040   str_list_elt_t *iter1;
1041   str_list_t *src;
1042   int repositories=0;
1043   int ret=0;
1044   int err;
1045   char *repo_ptr;
1046   char *stmp;
1047   opkg_assert(opkg != NULL);
1048
1049   src = str_list_alloc();
1050
1051   for (iter = opkg->conf->pkg_src_list.head; iter; iter = iter->next)
1052   {
1053     if (strstr(iter->data->value, "://") &&
1054                     index(strstr(iter->data->value, "://") + 3, '/'))
1055       stmp = strndup(iter->data->value,
1056                       (index(strstr(iter->data->value, "://") + 3, '/') - iter->data->value)*sizeof(char));
1057
1058     else
1059       stmp = strdup(iter->data->value);
1060
1061     for (iter1 = src->head; iter1; iter1 = iter1->next)
1062     {
1063       if (strstr(iter1->data, stmp))
1064         break;
1065     }
1066     if (iter1)
1067       continue;
1068
1069     sprintf_alloc(&repo_ptr, "%s/index.html",stmp);
1070     free(stmp);
1071
1072     str_list_append(src, repo_ptr);
1073     repositories++;
1074   }
1075   while (repositories > 0)
1076   {
1077     iter1 = str_list_pop(src);
1078     repositories--;
1079
1080     err = opkg_download(opkg->conf, iter1->data, "/dev/null", NULL, NULL);
1081     if (!(err == CURLE_OK ||
1082                 err == CURLE_HTTP_RETURNED_ERROR ||
1083                 err == CURLE_FILE_COULDNT_READ_FILE ||
1084                 err == CURLE_REMOTE_FILE_NOT_FOUND ||
1085                 err == CURLE_TFTP_NOTFOUND
1086                 )) {
1087             ret++;
1088     }
1089     str_list_elt_deinit(iter1);
1090     free(iter1);
1091   }
1092   free(src);
1093   return ret;
1094 }