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