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_maintainer = c->force_maintainer;
 253   a->force_overwrite = c->force_overwrite;
 254   a->force_downgrade = c->force_downgrade;
 255   a->force_reinstall = c->force_reinstall;
 256   a->force_removal_of_dependent_packages = c->force_removal_of_dependent_packages;
 257   a->force_removal_of_essential_packages = c->force_removal_of_essential_packages;
 258   a->nodeps = c->nodeps;
 259   a->noaction = c->noaction;
 260   a->query_all = c->query_all;
 261   a->verbosity = c->verbosity;
 262
 263   if (c->offline_root)
 264   {
 265     if (a->offline_root) free (a->offline_root);
 266     a->offline_root = strdup (c->offline_root);
 267   }
 268
 269   if (c->offline_root_pre_script_cmd)
 270   {
 271     if (a->offline_root_pre_script_cmd) free (a->offline_root_pre_script_cmd);
 272     a->offline_root_pre_script_cmd = strdup (c->offline_root_pre_script_cmd);
 273   }
 274
 275   if (c->offline_root_post_script_cmd)
 276   {
 277     if (a->offline_root_post_script_cmd) free (a->offline_root_post_script_cmd);
 278     a->offline_root_post_script_cmd = strdup (c->offline_root_post_script_cmd);
 279   }
 280
 281   if (c->cache) {
 282     if (a->cache)
 283         free (a->cache);
 284     a->cache = strdup(c->cache);
 285   }
 286
 287   /* throw away old opkg_conf and start again */
 288   opkg_conf_deinit (opkg->conf);
 289   opkg_conf_init (opkg->conf, opkg->args);
 290
 291   free (opkg->options);
 292   opkg_init_options_array (opkg->conf, &opkg->options);
 293
 294   return 0;
 295 }
 296
 297 void
 298 opkg_get_option (opkg_t *opkg, char *option, void **value)
 299 {
 300   int i = 0;
 301   opkg_option_t *options;
 302
 303   opkg_assert (opkg != NULL);
 304   opkg_assert (option != NULL);
 305   opkg_assert (value != NULL);
 306
 307   options = opkg->options;
 308
 309   /* look up the option
 310    * TODO: this would be much better as a hash table
 311    */
 312   while (options[i].name)
 313   {
 314     if (strcmp (options[i].name, option) != 0)
 315     {
 316       i++;
 317       continue;
 318     }
 319   }
 320
 321   /* get the option */
 322   switch (options[i].type)
 323   {
 324   case OPKG_OPT_TYPE_BOOL:
 325     *((int *) value) = *((int *) options[i].value);
 326     return;
 327
 328   case OPKG_OPT_TYPE_INT:
 329     *((int *) value) = *((int *) options[i].value);
 330     return;
 331
 332   case OPKG_OPT_TYPE_STRING:
 333     *((char **)value) = strdup (options[i].value);
 334     return;
 335   }
 336
 337 }
 338
 339 void
 340 opkg_set_option (opkg_t *opkg, char *option, void *value)
 341 {
 342   int i = 0, found = 0;
 343   opkg_option_t *options;
 344
 345   opkg_assert (opkg != NULL);
 346   opkg_assert (option != NULL);
 347   opkg_assert (value != NULL);
 348
 349   options = opkg->options;
 350
 351   /* look up the option
 352    * TODO: this would be much better as a hash table
 353    */
 354   while (options[i].name)
 355   {
 356     if (strcmp (options[i].name, option) == 0)
 357     {
 358       found = 1;
 359       break;
 360     }
 361     i++;
 362   }
 363
 364   if (!found)
 365   {
 366     /* XXX: Warning: Option not found */
 367     return;
 368   }
 369
 370   /* set the option */
 371   switch (options[i].type)
 372   {
 373   case OPKG_OPT_TYPE_BOOL:
 374     if (*((int *) value) == 0)
 375       *((int *)options[i].value) = 0;
 376     else
 377       *((int *)options[i].value) = 1;
 378     return;
 379
 380   case OPKG_OPT_TYPE_INT:
 381     *((int *) options[i].value) = *((int *) value);
 382     return;
 383
 384   case OPKG_OPT_TYPE_STRING:
 385     *((char **)options[i].value) = strdup (value);
 386     return;
 387   }
 388
 389 }
 390
 391 /**
 392  * @brief libopkg API: Install package
 393  * @param opkg Then opkg handler
 394  * @param package_name The name of package in which is going to install
 395  * @param progress_callback The callback function that report the status to caller.
 396  */
 397 int
 398 opkg_install_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 399 {
 400   int err;
 401   char *stripped_filename;
 402   opkg_progress_data_t pdata;
 403   pkg_t *old, *new;
 404   pkg_vec_t *deps, *all;
 405   int i, ndepends;
 406   char **unresolved = NULL;
 407
 408   opkg_assert (opkg != NULL);
 409   opkg_assert (package_name != NULL);
 410
 411   /* ... */
 412   pkg_info_preinstall_check (opkg->conf);
 413
 414
 415   /* check to ensure package is not already installed */
 416   old = pkg_hash_fetch_installed_by_name(&opkg->conf->pkg_hash, package_name);
 417   if (old)
 418   {
 419     /* XXX: Error: Package is already installed. */
 420     return OPKG_PACKAGE_ALREADY_INSTALLED;
 421   }
 422
 423   new = pkg_hash_fetch_best_installation_candidate_by_name(opkg->conf, package_name, NULL);
 424   if (!new)
 425   {
 426     /* XXX: Error: Could not find package to install */
 427     return OPKG_PACKAGE_NOT_FOUND;
 428   }
 429
 430   new->state_flag |= SF_USER;
 431
 432   pdata.action = OPKG_INSTALL;
 433   pdata.package = pkg_t_to_opkg_package_t (new);
 434
 435   progress (pdata, 0);
 436
 437   /* find dependancies and download them */
 438   deps = pkg_vec_alloc ();
 439   /* this function does not return the original package, so we insert it later */
 440   ndepends = pkg_hash_fetch_unsatisfied_dependencies (opkg->conf, new, deps, &unresolved);
 441   if (unresolved)
 442   {
 443     /* XXX: Error: Could not satisfy dependencies */
 444     pkg_vec_free (deps);
 445     return OPKG_DEPENDENCIES_FAILED;
 446   }
 447
 448   /* insert the package we are installing so that we download it */
 449   pkg_vec_insert (deps, new);
 450
 451   /* download package and dependancies */
 452   for (i = 0; i < deps->len; i++)
 453   {
 454     pkg_t *pkg;
 455     struct _curl_cb_data cb_data;
 456     char *url;
 457
 458     pkg = deps->pkgs[i];
 459     if (pkg->local_filename)
 460       continue;
 461
 462     opkg_package_free (pdata.package);
 463     pdata.package = pkg_t_to_opkg_package_t (pkg);
 464     pdata.action = OPKG_DOWNLOAD;
 465
 466     if (pkg->src == NULL)
 467     {
 468       /* XXX: Error: Package not available from any configured src */
 469       return OPKG_PACKAGE_NOT_AVAILABLE;
 470     }
 471
 472     sprintf_alloc(&url, "%s/%s", pkg->src->value, pkg->filename);
 473
 474     /* Get the filename part, without any directory */
 475     stripped_filename = strrchr(pkg->filename, '/');
 476     if ( ! stripped_filename )
 477         stripped_filename = pkg->filename;
 478
 479     sprintf_alloc(&pkg->local_filename, "%s/%s", opkg->conf->tmp_dir, stripped_filename);
 480
 481     cb_data.cb = progress_callback;
 482     cb_data.progress_data = &pdata;
 483     cb_data.opkg = opkg;
 484     cb_data.user_data = user_data;
 485     /* 75% of "install" progress is for downloading */
 486     cb_data.start_range = 75 * i / deps->len;
 487     cb_data.finish_range = 75 * (i + 1) / deps->len;
 488
 489     err = opkg_download(opkg->conf, url, pkg->local_filename,
 490               (curl_progress_func) curl_progress_cb, &cb_data);
 491     free(url);
 492
 493     if (err)
 494     {
 495       pkg_vec_free (deps);
 496       opkg_package_free (pdata.package);
 497       return OPKG_DOWNLOAD_FAILED;
 498     }
 499
 500   }
 501   pkg_vec_free (deps);
 502
 503   /* clear depenacy checked marks, left by pkg_hash_fetch_unsatisfied_dependencies */
 504   all = pkg_vec_alloc ();
 505   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 506   for (i = 0; i < all->len; i++)
 507   {
 508     all->pkgs[i]->parent->dependencies_checked = 0;
 509   }
 510   pkg_vec_free (all);
 511
 512
 513   /* 75% of "install" progress is for downloading */
 514   opkg_package_free (pdata.package);
 515   pdata.package = pkg_t_to_opkg_package_t (new);
 516   pdata.action = OPKG_INSTALL;
 517   progress (pdata, 75);
 518
 519   /* unpack the package */
 520   err = opkg_install_pkg(opkg->conf, new, 0);
 521
 522   if (err)
 523   {
 524     opkg_package_free (pdata.package);
 525     switch (err)
 526     {
 527       case OPKG_INSTALL_ERR_NOT_TRUSTED: return OPKG_GPG_ERROR;
 528       case OPKG_INSTALL_ERR_DOWNLOAD: return OPKG_DOWNLOAD_FAILED;
 529       case OPKG_INSTALL_ERR_DEPENDENCIES:
 530       case OPKG_INSTALL_ERR_CONFLICTS: return OPKG_DEPENDENCIES_FAILED;
 531       case OPKG_INSTALL_ERR_ALREADY_INSTALLED: return OPKG_PACKAGE_ALREADY_INSTALLED;
 532       case OPKG_INSTALL_ERR_SIGNATURE: return OPKG_GPG_ERROR;
 533       case OPKG_INSTALL_ERR_MD5: return OPKG_MD5_ERROR;
 534       default: return OPKG_UNKNOWN_ERROR;
 535     }
 536   }
 537
 538   progress (pdata, 75);
 539
 540   /* run configure scripts, etc. */
 541   err = opkg_configure_packages (opkg->conf, NULL);
 542   if (err)
 543   {
 544     opkg_package_free (pdata.package);
 545     return OPKG_UNKNOWN_ERROR;
 546   }
 547
 548   /* write out status files and file lists */
 549   opkg_conf_write_status_files (opkg->conf);
 550   pkg_write_changed_filelists (opkg->conf);
 551
 552   progress (pdata, 100);
 553   opkg_package_free (pdata.package);
 554   return 0;
 555 }
 556
 557 int
 558 opkg_remove_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 559 {
 560   int err;
 561   pkg_t *pkg = NULL;
 562   pkg_t *pkg_to_remove;
 563   opkg_progress_data_t pdata;
 564
 565   opkg_assert (opkg != NULL);
 566   opkg_assert (package_name != NULL);
 567
 568   pkg_info_preinstall_check (opkg->conf);
 569
 570   pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, package_name);
 571
 572   if (pkg == NULL)
 573   {
 574     /* XXX: Error: Package not installed. */
 575     return OPKG_PACKAGE_NOT_INSTALLED;
 576   }
 577
 578   pdata.action = OPKG_REMOVE;
 579   pdata.package = pkg_t_to_opkg_package_t (pkg);
 580   progress (pdata, 0);
 581
 582
 583   if (pkg->state_status == SS_NOT_INSTALLED)
 584   {
 585     /* XXX:  Error: Package seems to be not installed (STATUS = NOT_INSTALLED). */
 586     opkg_package_free (pdata.package);
 587     return OPKG_PACKAGE_NOT_INSTALLED;
 588   }
 589   progress (pdata, 25);
 590
 591   if (opkg->conf->restrict_to_default_dest)
 592   {
 593     pkg_to_remove = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
 594                                                            pkg->name,
 595                                                            opkg->conf->default_dest);
 596   }
 597   else
 598   {
 599     pkg_to_remove = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash, pkg->name );
 600   }
 601
 602
 603   progress (pdata, 75);
 604
 605   err = opkg_remove_pkg (opkg->conf, pkg_to_remove, 0);
 606
 607   /* write out status files and file lists */
 608   opkg_conf_write_status_files (opkg->conf);
 609   pkg_write_changed_filelists (opkg->conf);
 610
 611
 612   progress (pdata, 100);
 613   opkg_package_free (pdata.package);
 614   return (err) ? OPKG_UNKNOWN_ERROR : OPKG_NO_ERROR;
 615 }
 616
 617 int
 618 opkg_upgrade_package (opkg_t *opkg, const char *package_name, opkg_progress_callback_t progress_callback, void *user_data)
 619 {
 620   int err;
 621   pkg_t *pkg;
 622   opkg_progress_data_t pdata;
 623
 624
 625
 626   opkg_assert (opkg != NULL);
 627   opkg_assert (package_name != NULL);
 628
 629   pkg_info_preinstall_check (opkg->conf);
 630
 631   if (opkg->conf->restrict_to_default_dest)
 632   {
 633     pkg = pkg_hash_fetch_installed_by_name_dest (&opkg->conf->pkg_hash,
 634                                                  package_name,
 635                                                  opkg->conf->default_dest);
 636     if (pkg == NULL)
 637     {
 638       /* XXX: Error: Package not installed in default_dest */
 639       return OPKG_PACKAGE_NOT_INSTALLED;
 640     }
 641   }
 642   else
 643   {
 644     pkg = pkg_hash_fetch_installed_by_name (&opkg->conf->pkg_hash,
 645                                             package_name);
 646   }
 647
 648   if (!pkg)
 649   {
 650     /* XXX: Error: Package not installed */
 651     return OPKG_PACKAGE_NOT_INSTALLED;
 652   }
 653
 654   pdata.action = OPKG_INSTALL;
 655   pdata.package = pkg_t_to_opkg_package_t (pkg);
 656   progress (pdata, 0);
 657
 658   err = opkg_upgrade_pkg (opkg->conf, pkg);
 659   /* opkg_upgrade_pkg returns the error codes of opkg_install_pkg */
 660   if (err)
 661   {
 662
 663     opkg_package_free (pdata.package);
 664     switch (err)
 665     {
 666       case OPKG_INSTALL_ERR_NOT_TRUSTED: return OPKG_GPG_ERROR;
 667       case OPKG_INSTALL_ERR_DOWNLOAD: return OPKG_DOWNLOAD_FAILED;
 668       case OPKG_INSTALL_ERR_DEPENDENCIES:
 669       case OPKG_INSTALL_ERR_CONFLICTS: return OPKG_DEPENDENCIES_FAILED;
 670       case OPKG_INSTALL_ERR_ALREADY_INSTALLED: return OPKG_PACKAGE_ALREADY_INSTALLED;
 671       case OPKG_INSTALL_ERR_SIGNATURE: return OPKG_GPG_ERROR;
 672       case OPKG_INSTALL_ERR_MD5: return OPKG_MD5_ERROR;
 673       default: return OPKG_UNKNOWN_ERROR;
 674     }
 675   }
 676   progress (pdata, 75);
 677
 678   err = opkg_configure_packages (opkg->conf, NULL);
 679   if (err) {
 680     opkg_package_free (pdata.package);
 681     return OPKG_UNKNOWN_ERROR;
 682   }
 683
 684   /* write out status files and file lists */
 685   opkg_conf_write_status_files (opkg->conf);
 686   pkg_write_changed_filelists (opkg->conf);
 687
 688   progress (pdata, 100);
 689   opkg_package_free (pdata.package);
 690   return 0;
 691 }
 692
 693 int
 694 opkg_upgrade_all (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
 695 {
 696   pkg_vec_t *installed;
 697   int err = 0;
 698   int i;
 699   pkg_t *pkg;
 700   opkg_progress_data_t pdata;
 701
 702   pdata.action = OPKG_INSTALL;
 703   pdata.package = NULL;
 704
 705   opkg_assert (opkg != NULL);
 706   progress (pdata, 0);
 707
 708   installed = pkg_vec_alloc ();
 709   pkg_info_preinstall_check (opkg->conf);
 710
 711   pkg_hash_fetch_all_installed (&opkg->conf->pkg_hash, installed);
 712   for (i = 0; i < installed->len; i++)
 713   {
 714     pkg = installed->pkgs[i];
 715
 716     pdata.package = pkg_t_to_opkg_package_t (pkg);
 717     progress (pdata, 99 * i / installed->len);
 718     opkg_package_free (pdata.package);
 719
 720     err += opkg_upgrade_pkg (opkg->conf, pkg);
 721   }
 722   pkg_vec_free (installed);
 723
 724   if (err)
 725     return 1;
 726
 727   err = opkg_configure_packages (opkg->conf, NULL);
 728   if (err)
 729     return 1;
 730
 731   pdata.package = NULL;
 732   progress (pdata, 100);
 733   return 0;
 734 }
 735
 736 int
 737 opkg_update_package_lists (opkg_t *opkg, opkg_progress_callback_t progress_callback, void *user_data)
 738 {
 739   char *tmp;
 740   int err, result = 0;
 741   char *lists_dir;
 742   pkg_src_list_elt_t *iter;
 743   pkg_src_t *src;
 744   int sources_list_count, sources_done;
 745   opkg_progress_data_t pdata;
 746
 747   opkg_assert (opkg != NULL);
 748
 749   pdata.action = OPKG_DOWNLOAD;
 750   pdata.package = NULL;
 751   progress (pdata, 0);
 752
 753   sprintf_alloc (&lists_dir, "%s",
 754                  (opkg->conf->restrict_to_default_dest)
 755                  ? opkg->conf->default_dest->lists_dir
 756                  : opkg->conf->lists_dir);
 757
 758   if (!file_is_dir (lists_dir))
 759   {
 760     if (file_exists (lists_dir))
 761     {
 762       /* XXX: Error: file exists but is not a directory */
 763       free (lists_dir);
 764       return 1;
 765     }
 766
 767     err = file_mkdir_hier (lists_dir, 0755);
 768     if (err)
 769     {
 770       /* XXX: Error: failed to create directory */
 771       free (lists_dir);
 772       return 1;
 773     }
 774   }
 775
 776   tmp = strdup ("/tmp/opkg.XXXXXX");
 777
 778   if (mkdtemp (tmp) == NULL)
 779   {
 780     /* XXX: Error: could not create temporary file name */
 781     free (lists_dir);
 782     free (tmp);
 783     return 1;
 784   }
 785
 786   /* count the number of sources so we can give some progress updates */
 787   sources_list_count = 0;
 788   sources_done = 0;
 789   list_for_each_entry(iter, &opkg->conf->pkg_src_list.head, node)
 790   {
 791     sources_list_count++;
 792   }
 793
 794   list_for_each_entry(iter, &opkg->conf->pkg_src_list.head, node)
 795   {
 796     char *url, *list_file_name = NULL;
 797
 798     src = (pkg_src_t *)iter->data;
 799
 800     if (src->extra_data)  /* debian style? */
 801       sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
 802                      src->gzip ? "Packages.gz" : "Packages");
 803     else
 804       sprintf_alloc (&url, "%s/%s", src->value, src->gzip ? "Packages.gz" : "Packages");
 805
 806     sprintf_alloc (&list_file_name, "%s/%s", lists_dir, src->name);
 807     if (src->gzip)
 808     {
 809       FILE *in, *out;
 810       struct _curl_cb_data cb_data;
 811       char *tmp_file_name = NULL;
 812
 813       sprintf_alloc (&tmp_file_name, "%s/%s.gz", tmp, src->name);
 814
 815       /* XXX: Note: downloading url */
 816
 817       cb_data.cb = progress_callback;
 818       cb_data.progress_data = &pdata;
 819       cb_data.opkg = opkg;
 820       cb_data.user_data = user_data;
 821       cb_data.start_range = 100 * sources_done / sources_list_count;
 822       cb_data.finish_range = 100 * (sources_done + 1) / sources_list_count;
 823
 824       err = opkg_download (opkg->conf, url, tmp_file_name, (curl_progress_func) curl_progress_cb, &cb_data);
 825
 826       if (err == 0)
 827       {
 828         /* XXX: Note: Inflating downloaded file */
 829         in = fopen (tmp_file_name, "r");
 830         out = fopen (list_file_name, "w");
 831         if (in && out)
 832           unzip (in, out);
 833         else
 834           err = 1;
 835         if (in)
 836           fclose (in);
 837         if (out)
 838           fclose (out);
 839         unlink (tmp_file_name);
 840       }
 841       free (tmp_file_name);
 842     }
 843     else
 844       err = opkg_download (opkg->conf, url, list_file_name, NULL, NULL);
 845
 846     if (err)
 847     {
 848       /* XXX: Error: download error */
 849       result = OPKG_DOWNLOAD_FAILED;
 850     }
 851     free (url);
 852
 853 #ifdef HAVE_GPGME
 854     if ( opkg->conf->check_signature ) {
 855         char *sig_file_name;
 856         /* download detached signitures to verify the package lists */
 857         /* get the url for the sig file */
 858         if (src->extra_data)  /* debian style? */
 859             sprintf_alloc (&url, "%s/%s/%s", src->value, src->extra_data,
 860                     "Packages.sig");
 861         else
 862             sprintf_alloc (&url, "%s/%s", src->value, "Packages.sig");
 863
 864         /* create filename for signature */
 865         sprintf_alloc (&sig_file_name, "%s/%s.sig", lists_dir, src->name);
 866
 867         /* make sure there is no existing signature file */
 868         unlink (sig_file_name);
 869
 870         err = opkg_download (opkg->conf, url, sig_file_name, NULL, NULL);
 871         if (err)
 872         {
 873             /* XXX: Warning: Download failed */
 874         }
 875         else
 876         {
 877             int err;
 878             err = opkg_verify_file (opkg->conf, list_file_name, sig_file_name);
 879             if (err == 0)
 880             {
 881                 /* XXX: Notice: Signature check passed */
 882             }
 883             else
 884             {
 885                 /* XXX: Warning: Signature check failed */
 886             }
 887         }
 888         free (sig_file_name);
 889         free (list_file_name);
 890         free (url);
 891     }
 892 #else
 893     /* XXX: Note: Signature check for %s skipped because GPG support was not
 894      * enabled in this build
 895      */
 896 #endif
 897
 898     sources_done++;
 899     progress (pdata, 100 * sources_done / sources_list_count);
 900   }
 901
 902   rmdir (tmp);
 903   free (tmp);
 904   free (lists_dir);
 905
 906   /* Now re-read the package lists to update package hash tables. */
 907   opkg_re_read_config_files (opkg);
 908
 909   return result;
 910 }
 911
 912
 913 int
 914 opkg_list_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
 915 {
 916   pkg_vec_t *all;
 917   int i;
 918
 919   opkg_assert (opkg);
 920   opkg_assert (callback);
 921
 922   all = pkg_vec_alloc ();
 923   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 924   for (i = 0; i < all->len; i++)
 925   {
 926     pkg_t *pkg;
 927     opkg_package_t *package;
 928
 929     pkg = all->pkgs[i];
 930
 931     package = pkg_t_to_opkg_package_t (pkg);
 932     callback (opkg, package, user_data);
 933     opkg_package_free (package);
 934   }
 935
 936   pkg_vec_free (all);
 937
 938   return 0;
 939 }
 940
 941 int
 942 opkg_list_upgradable_packages (opkg_t *opkg, opkg_package_callback_t callback, void *user_data)
 943 {
 944     struct active_list *head;
 945     struct active_list *node;
 946     pkg_t *old=NULL, *new = NULL;
 947     static opkg_package_t* package=NULL;
 948
 949
 950     opkg_assert (opkg);
 951     opkg_assert (callback);
 952
 953     /* ensure all data is valid */
 954     pkg_info_preinstall_check (opkg->conf);
 955
 956     head  =  prepare_upgrade_list(opkg->conf);
 957     for (node=active_list_next(head, head); node; active_list_next(head,node)) {
 958         old = list_entry(node, pkg_t, list);
 959         new = pkg_hash_fetch_best_installation_candidate_by_name(opkg->conf, old->name, NULL);
 960         package = pkg_t_to_opkg_package_t (new);
 961         callback (opkg, package, user_data);
 962         opkg_package_free (package);
 963     }
 964     active_list_head_delete(head);
 965     return 0;
 966 }
 967
 968 opkg_package_t*
 969 opkg_find_package (opkg_t *opkg, const char *name, const char *ver, const char *arch, const char *repo)
 970 {
 971   pkg_vec_t *all;
 972   opkg_package_t *package = NULL;
 973   int i;
 974 #define sstrcmp(x,y) (x && y) ? strcmp (x, y) : 0
 975
 976   opkg_assert (opkg);
 977
 978   all = pkg_vec_alloc ();
 979   pkg_hash_fetch_available (&opkg->conf->pkg_hash, all);
 980   for (i = 0; i < all->len; i++)
 981   {
 982     pkg_t *pkg;
 983     char *pkgv;
 984
 985     pkg = all->pkgs[i];
 986
 987     /* check name */
 988     if (sstrcmp (pkg->name, name))
 989       continue;
 990
 991     /* check version */
 992     pkgv = pkg_version_str_alloc (pkg);
 993     if (sstrcmp (pkgv, ver))
 994     {
 995       free (pkgv);
 996       continue;
 997     }
 998     free (pkgv);
 999
1000     /* check architecture */
1001     if (arch)
1002     {
1003       if (sstrcmp (pkg->architecture, arch))
1004         continue;
1005     }
1006
1007     /* check repository */
1008     if (repo)
1009     {
1010       if (sstrcmp (pkg->src->name, repo))
1011           continue;
1012     }
1013
1014     /* match found */
1015     package = pkg_t_to_opkg_package_t (pkg);
1016     break;
1017   }
1018
1019   pkg_vec_free (all);
1020
1021   return package;
1022 }
1023
1024 #ifdef HAVE_CURL
1025 #include <curl/curl.h>
1026 #endif
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   list_for_each_entry(iter, &opkg->conf->pkg_src_list.head, node)
1047   {
1048     if (strstr(((pkg_src_t *)iter->data)->value, "://") &&
1049                     index(strstr(((pkg_src_t *)iter->data)->value, "://") + 3, '/'))
1050       stmp = strndup(((pkg_src_t *)iter->data)->value,
1051                       (index(strstr(((pkg_src_t *)iter->data)->value, "://") + 3, '/') - ((pkg_src_t *)iter->data)->value)*sizeof(char));
1052
1053     else
1054       stmp = strdup(((pkg_src_t *)iter->data)->value);
1055
1056     for (iter1 = str_list_first(src); iter1; iter1 = str_list_next(src, iter1))
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     free(repo_ptr);
1069     repositories++;
1070   }
1071   while (repositories > 0)
1072   {
1073     iter1 = str_list_pop(src);
1074     repositories--;
1075
1076     err = opkg_download(opkg->conf, iter1->data, "/dev/null", NULL, NULL);
1077 #ifdef HAVE_CURL
1078     if (!(err == CURLE_OK ||
1079                 err == CURLE_HTTP_RETURNED_ERROR ||
1080                 err == CURLE_FILE_COULDNT_READ_FILE ||
1081                 err == CURLE_REMOTE_FILE_NOT_FOUND ||
1082                 err == CURLE_TFTP_NOTFOUND
1083                 )) {
1084 #else
1085     if (!(err == 0)) {
1086 #endif
1087             ret++;
1088     }
1089     str_list_elt_deinit(iter1);
1090     free(iter1);
1091   }
1092   free(src);
1093   return ret;
1094 }