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