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, NULL);
 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     switch (err)
 517     {
 518       case OPKG_INSTALL_ERR_NOT_TRUSTED: return OPKG_GPG_ERROR;
 519       case OPKG_INSTALL_ERR_DOWNLOAD: return OPKG_DOWNLOAD_FAILED;
 520       case OPKG_INSTALL_ERR_DEPENDENCIES:
 521       case OPKG_INSTALL_ERR_CONFLICTS: return OPKG_DEPENDENCIES_FAILED;
 522       case OPKG_INSTALL_ERR_ALREADY_INSTALLED: return OPKG_PACKAGE_ALREADY_INSTALLED;
 523       case OPKG_INSTALL_ERR_SIGNATURE: return OPKG_GPG_ERROR;
 524       case OPKG_INSTALL_ERR_MD5: return OPKG_MD5_ERROR;
 525       case OPKG_INSTALL_ERR_SHA256: return OPKG_SHA256_ERROR;
 526       default: return OPKG_UNKNOWN_ERROR;
 527     }
 528   }
 529
 530   progress (pdata, 75);
 531
 532   /* run configure scripts, etc. */
 533   err = opkg_configure_packages (opkg->conf, NULL);
 534   if (err)
 535   {
 536     opkg_package_free (pdata.package);
 537     return OPKG_UNKNOWN_ERROR;
 538   }
 539
 540   /* write out status files and file lists */
 541   opkg_conf_write_status_files (opkg->conf);
 542   pkg_write_changed_filelists (opkg->conf);
 543
 544   progress (pdata, 100);
 545   opkg_package_free (pdata.package);
 546   return 0;
 547 }
 548
 549 int
 550 opkg_remove_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 551 {
 552   int err;
 553   pkg_t *pkg = NULL;
 554   pkg_t *pkg_to_remove;
 555   opkg_progress_data_t pdata;
 556
 557   opkg_assert (opkg != NULL);
 558   opkg_assert (package_name != NULL);
 559
 560   pkg_info_preinstall_check (opkg->conf);
 561
 562   pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, package_name);
 563
 564   if (pkg == NULL)
 565   {
 566     /* XXX: Error: Package not installed. */
 567     return OPKG_PACKAGE_NOT_INSTALLED;
 568   }
 569
 570   pdata.action = OPKG_REMOVE;
 571   pdata.package = pkg_t_to_opkg_package_t (pkg);
 572   progress (pdata, 0);
 573
 574
 575   if (pkg->state_status == SS_NOT_INSTALLED)
 576   {
 577     /* XXX:  Error: Package seems to be not installed (STATUS = NOT_INSTALLED). */
 578     opkg_package_free (pdata.package);
 579     return OPKG_PACKAGE_NOT_INSTALLED;
 580   }
 581   progress (pdata, 25);
 582
 583   if (opkg->conf->restrict_to_default_dest)
 584   {
 585     pkg_to_remove = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
 586                                                            pkg->name,
 587                                                            opkg->conf->default_dest);
 588   }
 589   else
 590   {
 591     pkg_to_remove = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, pkg->name );
 592   }
 593
 594
 595   progress (pdata, 75);
 596
 597   err = opkg_remove_pkg (opkg->conf, pkg_to_remove, 0);
 598
 599   /* write out status files and file lists */
 600   opkg_conf_write_status_files (opkg->conf);
 601   pkg_write_changed_filelists (opkg->conf);
 602
 603
 604   progress (pdata, 100);
 605   opkg_package_free (pdata.package);
 606   return (err) ? OPKG_UNKNOWN_ERROR : OPKG_NO_ERROR;
 607 }
 608
 609 int
 610 opkg_upgrade_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 611 {
 612   int err;
 613   pkg_t *pkg;
 614   opkg_progress_data_t pdata;
 615
 616
 617
 618   opkg_assert (opkg != NULL);
 619   opkg_assert (package_name != NULL);
 620
 621   pkg_info_preinstall_check (opkg->conf);
 622
 623   if (opkg->conf->restrict_to_default_dest)
 624   {
 625     pkg = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
 626                                                  package_name,
 627                                                  opkg->conf->default_dest);
 628     if (pkg == NULL)
 629     {
 630       /* XXX: Error: Package not installed in default_dest */
 631       return OPKG_PACKAGE_NOT_INSTALLED;
 632     }
 633   }
 634   else
 635   {
 636     pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash,
 637                                             package_name);
 638   }
 639
 640   if (!pkg)
 641   {
 642     /* XXX: Error: Package not installed */
 643     return OPKG_PACKAGE_NOT_INSTALLED;
 644   }
 645
 646   pdata.action = OPKG_INSTALL;
 647   pdata.package = pkg_t_to_opkg_package_t (pkg);
 648   progress (pdata, 0);
 649
 650   err = opkg_upgrade_pkg (opkg->conf, pkg);
 651   /* opkg_upgrade_pkg returns the error codes of opkg_install_pkg */
 652   if (err)
 653   {
 654
 655     opkg_package_free (pdata.package);
 656     switch (err)
 657     {
 658       case OPKG_INSTALL_ERR_NOT_TRUSTED: return OPKG_GPG_ERROR;
 659       case OPKG_INSTALL_ERR_DOWNLOAD: return OPKG_DOWNLOAD_FAILED;
 660       case OPKG_INSTALL_ERR_DEPENDENCIES:
 661       case OPKG_INSTALL_ERR_CONFLICTS: return OPKG_DEPENDENCIES_FAILED;
 662       case OPKG_INSTALL_ERR_ALREADY_INSTALLED: return OPKG_PACKAGE_ALREADY_INSTALLED;
 663       case OPKG_INSTALL_ERR_SIGNATURE: return OPKG_GPG_ERROR;
 664       case OPKG_INSTALL_ERR_MD5: return OPKG_MD5_ERROR;
 665       case OPKG_INSTALL_ERR_SHA256: return OPKG_SHA256_ERROR;
 666       default: return OPKG_UNKNOWN_ERROR;
 667     }
 668   }
 669   progress (pdata, 75);
 670
 671   err = opkg_configure_packages (opkg->conf, NULL);
 672   if (err) {
 673     opkg_package_free (pdata.package);
 674     return OPKG_UNKNOWN_ERROR;
 675   }
 676
 677   /* write out status files and file lists */
 678   opkg_conf_write_status_files (opkg->conf);
 679   pkg_write_changed_filelists (opkg->conf);
 680
 681   progress (pdata, 100);
 682   opkg_package_free (pdata.package);
 683   return 0;
 684 }
 685
 686 int
 687 opkg_upgrade_all (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
 688 {
 689   pkg_vec_t *installed;
 690   int err = 0;
 691   int i;
 692   pkg_t *pkg;
 693   opkg_progress_data_t pdata;
 694
 695   pdata.action = OPKG_INSTALL;
 696   pdata.package = NULL;
 697
 698   opkg_assert (opkg != NULL);
 699   progress (pdata, 0);
 700
 701   installed = pkg_vec_alloc ();
 702   pkg_info_preinstall_check (opkg->conf);
 703
 704   pkg_hash_fetch_all_installed (&opkg->conf->pkg_hash, installed);
 705   for (i = 0; i < installed->len; i++)
 706   {
 707     pkg = installed->pkgs[i];
 708
 709     pdata.package = pkg_t_to_opkg_package_t (pkg);
 710     progress (pdata, 99 * i / installed->len);
 711     opkg_package_free (pdata.package);
 712
 713     err += opkg_upgrade_pkg (opkg->conf, pkg);
 714   }
 715   pkg_vec_free (installed);
 716
 717   if (err)
 718     return 1;
 719
 720   err = opkg_configure_packages (opkg->conf, NULL);
 721   if (err)
 722     return 1;
 723
 724   pdata.package = NULL;
 725   progress (pdata, 100);
 726   return 0;
 727 }
 728
 729 int
 730 opkg_update_package_lists (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
 731 {
 732   char *tmp;
 733   int err, result = 0;
 734   char *lists_dir;
 735   pkg_src_list_elt_t *iter;
 736   pkg_src_t *src;
 737   int sources_list_count, sources_done;
 738   opkg_progress_data_t pdata;
 739
 740   opkg_assert (opkg != NULL);
 741
 742   pdata.action = OPKG_DOWNLOAD;
 743   pdata.package = NULL;
 744   progress (pdata, 0);
 745
 746   sprintf_alloc (&lists_dir, "%s",
 747                  (opkg->conf->restrict_to_default_dest)
 748                  ? opkg->conf->default_dest->lists_dir
 749                  : opkg->conf->lists_dir);
 750
 751   if (!file_is_dir (lists_dir))
 752   {
 753     if (file_exists (lists_dir))
 754     {
 755       /* XXX: Error: file exists but is not a directory */
 756       free (lists_dir);
 757       return 1;
 758     }
 759
 760     err = file_mkdir_hier (lists_dir, 0755);
 761     if (err)
 762     {
 763       /* XXX: Error: failed to create directory */
 764       free (lists_dir);
 765       return 1;
 766     }
 767   }
 768
 769   sprintf_alloc(&tmp, "%s/update-XXXXXX", opkg->conf->tmp_dir);
 770   if (mkdtemp (tmp) == NULL) {
 771     /* XXX: Error: could not create temporary file name */
 772     free (lists_dir);
 773     free (tmp);
 774     return 1;
 775   }
 776
 777   /* count the number of sources so we can give some progress updates */
 778   sources_list_count = 0;
 779   sources_done = 0;
 780   list_for_each_entry(iter, &opkg->conf->pkg_src_list.head, node)
 781   {
 782     sources_list_count++;
 783   }
 784
 785   list_for_each_entry(iter, &opkg->conf->pkg_src_list.head, node)
 786   {
 787     char *url, *list_file_name = NULL;
 788
 789     src = (pkg_src_t *)iter->data;
 790
 791     if (src->extra_data)  /* debian style? */
 792       sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
 793                      src->gzip ? "Packages.gz" : "Packages");
 794     else
 795       sprintf_alloc (&url, "%s/%s", src->value, src->gzip ? "Packages.gz" : "Packages");
 796
 797     sprintf_alloc (&list_file_name, "%s/%s", lists_dir, src->name);
 798     if (src->gzip)
 799     {
 800       FILE *in, *out;
 801       struct _curl_cb_data cb_data;
 802       char *tmp_file_name = NULL;
 803
 804       sprintf_alloc (&tmp_file_name, "%s/%s.gz", tmp, src->name);
 805
 806       /* XXX: Note: downloading url */
 807
 808       cb_data.cb = progress_callback;
 809       cb_data.progress_data = &pdata;
 810       cb_data.opkg = opkg;
 811       cb_data.user_data = user_data;
 812       cb_data.start_range = 100 * sources_done / sources_list_count;
 813       cb_data.finish_range = 100 * (sources_done + 1) / sources_list_count;
 814
 815       err = opkg_download (opkg->conf, url, tmp_file_name, (curl_progress_func) curl_progress_cb, &cb_data);
 816
 817       if (err == 0)
 818       {
 819         /* XXX: Note: Inflating downloaded file */
 820         in = fopen (tmp_file_name, "r");
 821         out = fopen (list_file_name, "w");
 822         if (in && out)
 823           unzip (in, out);
 824         else
 825           err = 1;
 826         if (in)
 827           fclose (in);
 828         if (out)
 829           fclose (out);
 830         unlink (tmp_file_name);
 831       }
 832       free (tmp_file_name);
 833     }
 834     else
 835       err = opkg_download (opkg->conf, url, list_file_name, NULL, NULL);
 836
 837     if (err)
 838     {
 839       /* XXX: Error: download error */
 840       result = OPKG_DOWNLOAD_FAILED;
 841     }
 842     free (url);
 843
 844 #if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
 845     if ( opkg->conf->check_signature ) {
 846         char *sig_file_name;
 847         /* download detached signitures to verify the package lists */
 848         /* get the url for the sig file */
 849         if (src->extra_data)  /* debian style? */
 850             sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
 851                     "Packages.sig");
 852         else
 853             sprintf_alloc (&url, "%s/%s", src->value, "Packages.sig");
 854
 855         /* create filename for signature */
 856         sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, src->name);
 857
 858         /* make sure there is no existing signature file */
 859         unlink (sig_file_name);
 860
 861         err = opkg_download (opkg->conf, url, sig_file_name, NULL, NULL);
 862         if (err)
 863         {
 864             /* XXX: Warning: Download failed */
 865         }
 866         else
 867         {
 868             int err;
 869             err = opkg_verify_file (opkg->conf, list_file_name, sig_file_name);
 870             if (err == 0)
 871             {
 872                 /* XXX: Notice: Signature check passed */
 873             }
 874             else
 875             {
 876                 /* XXX: Warning: Signature check failed */
 877             }
 878         }
 879         free (sig_file_name);
 880         free (list_file_name);
 881         free (url);
 882     }
 883 #else
 884     /* XXX: Note: Signature check for %s skipped because GPG support was not
 885      * enabled in this build
 886      */
 887 #endif
 888
 889     sources_done++;
 890     progress (pdata, 100 * sources_done / sources_list_count);
 891   }
 892
 893   rmdir (tmp);
 894   free (tmp);
 895   free (lists_dir);
 896
 897   /* Now re-read the package lists to update package hash tables. */
 898   opkg_re_read_config_files (opkg);
 899
 900   return result;
 901 }
 902
 903
 904 int
 905 opkg_list_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
 906 {
 907   pkg_vec_t *all;
 908   int i;
 909
 910   opkg_assert (opkg);
 911   opkg_assert (callback);
 912
 913   all = pkg_vec_alloc ();
 914   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 915   for (i = 0; i < all->len; i++)
 916   {
 917     pkg_t *pkg;
 918     opkg_package_t *package;
 919
 920     pkg = all->pkgs[i];
 921
 922     package = pkg_t_to_opkg_package_t (pkg);
 923     callback (opkg, package, user_data);
 924     opkg_package_free (package);
 925   }
 926
 927   pkg_vec_free (all);
 928
 929   return 0;
 930 }
 931
 932 int
 933 opkg_list_upgradable_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
 934 {
 935     struct active_list *head;
 936     struct active_list *node;
 937     pkg_t *old=NULL, *new = NULL;
 938     static opkg_package_t* package=NULL;
 939
 940
 941     opkg_assert (opkg);
 942     opkg_assert (callback);
 943
 944     /* ensure all data is valid */
 945     pkg_info_preinstall_check (opkg->conf);
 946
 947     head  =  prepare_upgrade_list(opkg->conf);
 948     for (node=active_list_next(head, head); node; active_list_next(head,node)) {
 949         old = list_entry(node, pkg_t, list);
 950         new = pkg_hash_fetch_best_installation_candidate_by_name(opkg->conf, old->name, NULL);
 951         package = pkg_t_to_opkg_package_t (new);
 952         callback (opkg, package, user_data);
 953         opkg_package_free (package);
 954     }
 955     active_list_head_delete(head);
 956     return 0;
 957 }
 958
 959 opkg_package_t*
 960 opkg_find_package (opkg_t *opkg, const char *name, const char *ver, const char *arch, const char *repo)
 961 {
 962   pkg_vec_t *all;
 963   opkg_package_t *package = NULL;
 964   int i;
 965 #define sstrcmp(x,y) (x && y) ? strcmp (x, y) : 0
 966
 967   opkg_assert (opkg);
 968
 969   all = pkg_vec_alloc ();
 970   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 971   for (i = 0; i < all->len; i++)
 972   {
 973     pkg_t *pkg;
 974     char *pkgv;
 975
 976     pkg = all->pkgs[i];
 977
 978     /* check name */
 979     if (sstrcmp (pkg->name, name))
 980       continue;
 981
 982     /* check version */
 983     pkgv = pkg_version_str_alloc (pkg);
 984     if (sstrcmp (pkgv, ver))
 985     {
 986       free (pkgv);
 987       continue;
 988     }
 989     free (pkgv);
 990
 991     /* check architecture */
 992     if (arch)
 993     {
 994       if (sstrcmp (pkg->architecture, arch))
 995         continue;
 996     }
 997
 998     /* check repository */
 999     if (repo)
1000     {
1001       if (sstrcmp (pkg->src->name, repo))
1002           continue;
1003     }
1004
1005     /* match found */
1006     package = pkg_t_to_opkg_package_t (pkg);
1007     break;
1008   }
1009
1010   pkg_vec_free (all);
1011
1012   return package;
1013 }
1014
1015 #ifdef HAVE_CURL
1016 #include <curl/curl.h>
1017 #endif
1018 /**
1019  * @brief Check the accessibility of repositories. It will try to access the repository to check if the respository is accessible throught current network status.
1020  * @param opkg The opkg_t
1021  * @return return how many repositories cannot access. 0 means all okay.
1022  */
1023 int opkg_repository_accessibility_check(opkg_t *opkg)
1024 {
1025   pkg_src_list_elt_t *iter;
1026   str_list_elt_t *iter1;
1027   str_list_t *src;
1028   int repositories=0;
1029   int ret=0;
1030   int err;
1031   char *repo_ptr;
1032   char *stmp;
1033   opkg_assert(opkg != NULL);
1034
1035   src = str_list_alloc();
1036
1037   list_for_each_entry(iter, &opkg->conf->pkg_src_list.head, node)
1038   {
1039     if (strstr(((pkg_src_t *)iter->data)->value, "://") &&
1040                     index(strstr(((pkg_src_t *)iter->data)->value, "://") + 3, '/'))
1041       stmp = xstrndup(((pkg_src_t *)iter->data)->value,
1042                       (index(strstr(((pkg_src_t *)iter->data)->value, "://") + 3, '/') - ((pkg_src_t *)iter->data)->value)*sizeof(char));
1043
1044     else
1045       stmp = xstrdup(((pkg_src_t *)iter->data)->value);
1046
1047     for (iter1 = str_list_first(src); iter1; iter1 = str_list_next(src, iter1))
1048     {
1049       if (strstr(iter1->data, stmp))
1050         break;
1051     }
1052     if (iter1)
1053       continue;
1054
1055     sprintf_alloc(&repo_ptr, "%s/index.html",stmp);
1056     free(stmp);
1057
1058     str_list_append(src, repo_ptr);
1059     free(repo_ptr);
1060     repositories++;
1061   }
1062   while (repositories > 0)
1063   {
1064     iter1 = str_list_pop(src);
1065     repositories--;
1066
1067     err = opkg_download(opkg->conf, iter1->data, "/dev/null", NULL, NULL);
1068 #ifdef HAVE_CURL
1069     if (!(err == CURLE_OK ||
1070                 err == CURLE_HTTP_RETURNED_ERROR ||
1071                 err == CURLE_FILE_COULDNT_READ_FILE ||
1072                 err == CURLE_REMOTE_FILE_NOT_FOUND ||
1073                 err == CURLE_TFTP_NOTFOUND
1074                 )) {
1075 #else
1076     if (!(err == 0)) {
1077 #endif
1078             ret++;
1079     }
1080     str_list_elt_deinit(iter1);
1081   }
1082   free(src);
1083   return ret;
1084 }