libopkg/opkg_cmd.c

   1 /* opkg_cmd.c - the opkg package management system
   2
   3    Carl D. Worth
   4
   5    Copyright (C) 2001 University of Southern California
   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
  19 #include "includes.h"
  20 #include <dirent.h>
  21 #include <glob.h>
  22
  23 #include "opkg_conf.h"
  24 #include "opkg_cmd.h"
  25 #include "opkg_message.h"
  26 #include "pkg.h"
  27 #include "pkg_dest.h"
  28 #include "pkg_parse.h"
  29 #include "sprintf_alloc.h"
  30 #include "pkg.h"
  31 #include "file_util.h"
  32 #include "str_util.h"
  33 #include "libbb/libbb.h"
  34 #include "opkg_utils.h"
  35 #include "opkg_defines.h"
  36
  37 #include <fnmatch.h>
  38
  39
  40 #include "opkg_download.h"
  41 #include "opkg_install.h"
  42 #include "opkg_upgrade.h"
  43 #include "opkg_remove.h"
  44 #include "opkg_configure.h"
  45 #include "opkg_message.h"
  46
  47 #include "libopkg.h"
  48 static void *p_userdata = NULL;
  49
  50 static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv);
  51 static int opkg_upgrade_cmd(opkg_conf_t *conf, int argc, char **argv);
  52 static int opkg_list_cmd(opkg_conf_t *conf, int argc, char **argv);
  53 static int opkg_info_cmd(opkg_conf_t *conf, int argc, char **argv);
  54 static int opkg_status_cmd(opkg_conf_t *conf, int argc, char **argv);
  55 static int opkg_install_pending_cmd(opkg_conf_t *conf, int argc, char **argv);
  56 static int opkg_install_cmd(opkg_conf_t *conf, int argc, char **argv);
  57 static int opkg_list_installed_cmd(opkg_conf_t *conf, int argc, char **argv);
  58 static int opkg_remove_cmd(opkg_conf_t *conf, int argc, char **argv);
  59 static int opkg_purge_cmd(opkg_conf_t *conf, int argc, char **argv);
  60 static int opkg_flag_cmd(opkg_conf_t *conf, int argc, char **argv);
  61 static int opkg_files_cmd(opkg_conf_t *conf, int argc, char **argv);
  62 static int opkg_search_cmd(opkg_conf_t *conf, int argc, char **argv);
  63 static int opkg_download_cmd(opkg_conf_t *conf, int argc, char **argv);
  64 static int opkg_depends_cmd(opkg_conf_t *conf, int argc, char **argv);
  65 static int opkg_whatdepends_cmd(opkg_conf_t *conf, int argc, char **argv);
  66 static int opkg_whatdepends_recursively_cmd(opkg_conf_t *conf, int argc, char **argv);
  67 static int opkg_whatsuggests_cmd(opkg_conf_t *conf, int argc, char **argv);
  68 static int opkg_whatrecommends_cmd(opkg_conf_t *conf, int argc, char **argv);
  69 static int opkg_whatprovides_cmd(opkg_conf_t *conf, int argc, char **argv);
  70 static int opkg_whatconflicts_cmd(opkg_conf_t *conf, int argc, char **argv);
  71 static int opkg_whatreplaces_cmd(opkg_conf_t *conf, int argc, char **argv);
  72 static int opkg_compare_versions_cmd(opkg_conf_t *conf, int argc, char **argv);
  73 static int opkg_print_architecture_cmd(opkg_conf_t *conf, int argc, char **argv);
  74 static int opkg_configure_cmd(opkg_conf_t *conf, int argc, char **argv);
  75
  76 /* XXX: CLEANUP: The usage strings should be incorporated into this
  77    array for easier maintenance */
  78 static opkg_cmd_t cmds[] = {
  79      {"update", 0, (opkg_cmd_fun_t)opkg_update_cmd},
  80      {"upgrade", 0, (opkg_cmd_fun_t)opkg_upgrade_cmd},
  81      {"list", 0, (opkg_cmd_fun_t)opkg_list_cmd},
  82      {"list_installed", 0, (opkg_cmd_fun_t)opkg_list_installed_cmd},
  83      {"info", 0, (opkg_cmd_fun_t)opkg_info_cmd},
  84      {"flag", 1, (opkg_cmd_fun_t)opkg_flag_cmd},
  85      {"status", 0, (opkg_cmd_fun_t)opkg_status_cmd},
  86      {"install_pending", 0, (opkg_cmd_fun_t)opkg_install_pending_cmd},
  87      {"install", 1, (opkg_cmd_fun_t)opkg_install_cmd},
  88      {"remove", 1, (opkg_cmd_fun_t)opkg_remove_cmd},
  89      {"purge", 1, (opkg_cmd_fun_t)opkg_purge_cmd},
  90      {"configure", 0, (opkg_cmd_fun_t)opkg_configure_cmd},
  91      {"files", 1, (opkg_cmd_fun_t)opkg_files_cmd},
  92      {"search", 1, (opkg_cmd_fun_t)opkg_search_cmd},
  93      {"download", 1, (opkg_cmd_fun_t)opkg_download_cmd},
  94      {"compare_versions", 1, (opkg_cmd_fun_t)opkg_compare_versions_cmd},
  95      {"compare-versions", 1, (opkg_cmd_fun_t)opkg_compare_versions_cmd},
  96      {"print-architecture", 0, (opkg_cmd_fun_t)opkg_print_architecture_cmd},
  97      {"print_architecture", 0, (opkg_cmd_fun_t)opkg_print_architecture_cmd},
  98      {"print-installation-architecture", 0, (opkg_cmd_fun_t)opkg_print_architecture_cmd},
  99      {"print_installation_architecture", 0, (opkg_cmd_fun_t)opkg_print_architecture_cmd},
 100      {"depends", 1, (opkg_cmd_fun_t)opkg_depends_cmd},
 101      {"whatdepends", 1, (opkg_cmd_fun_t)opkg_whatdepends_cmd},
 102      {"whatdependsrec", 1, (opkg_cmd_fun_t)opkg_whatdepends_recursively_cmd},
 103      {"whatrecommends", 1, (opkg_cmd_fun_t)opkg_whatrecommends_cmd},
 104      {"whatsuggests", 1, (opkg_cmd_fun_t)opkg_whatsuggests_cmd},
 105      {"whatprovides", 1, (opkg_cmd_fun_t)opkg_whatprovides_cmd},
 106      {"whatreplaces", 1, (opkg_cmd_fun_t)opkg_whatreplaces_cmd},
 107      {"whatconflicts", 1, (opkg_cmd_fun_t)opkg_whatconflicts_cmd},
 108 };
 109
 110 int opkg_state_changed;
 111 static void write_status_files_if_changed(opkg_conf_t *conf)
 112 {
 113      if (opkg_state_changed && !conf->noaction) {
 114           opkg_message(conf, OPKG_INFO,
 115                        "  writing status file\n");
 116           opkg_conf_write_status_files(conf);
 117           pkg_write_changed_filelists(conf);
 118      } else {
 119           opkg_message(conf, OPKG_NOTICE, "Nothing to be done\n");
 120      }
 121 }
 122
 123
 124 static int num_cmds = sizeof(cmds) / sizeof(opkg_cmd_t);
 125
 126 opkg_cmd_t *opkg_cmd_find(const char *name)
 127 {
 128      int i;
 129      opkg_cmd_t *cmd;
 130
 131      for (i=0; i < num_cmds; i++) {
 132           cmd = &cmds[i];
 133           if (strcmp(name, cmd->name) == 0) {
 134                return cmd;
 135           }
 136      }
 137
 138      return NULL;
 139 }
 140
 141 int opkg_cmd_exec(opkg_cmd_t *cmd, opkg_conf_t *conf, int argc, const char **argv, void *userdata)
 142 {
 143         int result;
 144         p_userdata = userdata;
 145
 146
 147         result = (cmd->fun)(conf, argc, argv);
 148
 149         if ( result != 0 ) {
 150            opkg_message(conf, OPKG_NOTICE, "An error ocurred, return value: %d.\n", result);
 151         }
 152
 153         if ( error_list ) {
 154            reverse_error_list(&error_list);
 155
 156            opkg_message(conf, OPKG_NOTICE, "Collected errors:\n");
 157            /* Here we print the errors collected and free the list */
 158            while (error_list != NULL) {
 159                  opkg_message(conf, OPKG_NOTICE, "%s",error_list->errmsg);
 160                  error_list = error_list->next;
 161
 162            }
 163            free_error_list(&error_list);
 164
 165         }
 166
 167         p_userdata = NULL;
 168         return result;
 169 }
 170
 171 static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv)
 172 {
 173      char *tmp;
 174      int err;
 175      int failures;
 176      char *lists_dir;
 177      pkg_src_list_elt_t *iter;
 178      pkg_src_t *src;
 179
 180
 181     sprintf_alloc(&lists_dir, "%s", conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir);
 182
 183     if (! file_is_dir(lists_dir)) {
 184           if (file_exists(lists_dir)) {
 185                opkg_message(conf, OPKG_ERROR,
 186                             "%s: ERROR: %s exists, but is not a directory\n",
 187                             __FUNCTION__, lists_dir);
 188                free(lists_dir);
 189                return EINVAL;
 190           }
 191           err = file_mkdir_hier(lists_dir, 0755);
 192           if (err) {
 193                opkg_message(conf, OPKG_ERROR,
 194                             "%s: ERROR: failed to make directory %s: %s\n",
 195                             __FUNCTION__, lists_dir, strerror(errno));
 196                free(lists_dir);
 197                return EINVAL;
 198           }
 199      }
 200
 201      failures = 0;
 202
 203
 204      tmp = strdup ("/tmp/opkg.XXXXXX");
 205
 206      if (mkdtemp (tmp) == NULL) {
 207          perror ("mkdtemp");
 208          failures++;
 209      }
 210
 211
 212      for (iter = conf->pkg_src_list.head; iter; iter = iter->next) {
 213           char *url, *list_file_name;
 214
 215           src = iter->data;
 216
 217           if (src->extra_data)  /* debian style? */
 218               sprintf_alloc(&url, "%s/%s/%s", src->value, src->extra_data,
 219                             src->gzip ? "Packages.gz" : "Packages");
 220           else
 221               sprintf_alloc(&url, "%s/%s", src->value, src->gzip ? "Packages.gz" : "Packages");
 222
 223           sprintf_alloc(&list_file_name, "%s/%s", lists_dir, src->name);
 224           if (src->gzip) {
 225               char *tmp_file_name;
 226               FILE *in, *out;
 227
 228               sprintf_alloc (&tmp_file_name, "%s/%s.gz", tmp, src->name);
 229               err = opkg_download(conf, url, tmp_file_name);
 230               if (err == 0) {
 231                    opkg_message (conf, OPKG_NOTICE, "Inflating %s\n", url);
 232                    in = fopen (tmp_file_name, "r");
 233                    out = fopen (list_file_name, "w");
 234                    if (in && out)
 235                         unzip (in, out);
 236                    else
 237                         err = 1;
 238                    if (in)
 239                         fclose (in);
 240                    if (out)
 241                         fclose (out);
 242                    unlink (tmp_file_name);
 243               }
 244           } else
 245               err = opkg_download(conf, url, list_file_name);
 246           if (err) {
 247                failures++;
 248           } else {
 249                opkg_message(conf, OPKG_NOTICE,
 250                             "Updated list of available packages in %s\n",
 251                             list_file_name);
 252           }
 253           free(url);
 254
 255 #ifdef HAVE_GPGME
 256           /* download detached signitures to verify the package lists */
 257           /* get the url for the sig file */
 258           if (src->extra_data)  /* debian style? */
 259               sprintf_alloc(&url, "%s/%s/%s", src->value, src->extra_data,
 260                             "Packages.sig");
 261           else
 262               sprintf_alloc(&url, "%s/%s", src->value, "Packages.sig");
 263
 264           /* create temporary file for it */
 265           char *tmp_file_name;
 266
 267           sprintf_alloc (&tmp_file_name, "%s/%s", tmp, "Packages.sig");
 268
 269           err = opkg_download(conf, url, tmp_file_name);
 270           if (err) {
 271             failures++;
 272                 opkg_message (conf, OPKG_NOTICE, "Signature check failed\n");
 273           } else {
 274             int err;
 275             err = opkg_verify_file (conf, list_file_name, tmp_file_name);
 276             if (err == 0)
 277                 opkg_message (conf, OPKG_NOTICE, "Signature check passed\n");
 278             else
 279                 opkg_message (conf, OPKG_NOTICE, "Signature check failed\n");
 280           }
 281           unlink (tmp_file_name);
 282           free (tmp_file_name);
 283           free (url);
 284 #else
 285           opkg_message (conf, OPKG_NOTICE, "Signiture check for %s skipped "
 286               "because GPG support was not enabled in this build\n", src->name);
 287 #endif
 288           free(list_file_name);
 289      }
 290      rmdir (tmp);
 291      free (tmp);
 292      free(lists_dir);
 293
 294      return failures;
 295 }
 296
 297
 298 /* scan the args passed and cache the local filenames of the packages */
 299 int opkg_multiple_files_scan(opkg_conf_t *conf, int argc, char **argv)
 300 {
 301      int i;
 302      int err;
 303
 304      /*
 305       * First scan through package names/urls
 306       * For any urls, download the packages and install in database.
 307       * For any files, install package info in database.
 308       */
 309      for (i = 0; i < argc; i ++) {
 310           char *filename = argv [i];
 311           //char *tmp = basename (tmp);
 312           //int tmplen = strlen (tmp);
 313
 314           //if (strcmp (tmp + (tmplen - strlen (OPKG_PKG_EXTENSION)), OPKG_PKG_EXTENSION) != 0)
 315           //     continue;
 316           //if (strcmp (tmp + (tmplen - strlen (DPKG_PKG_EXTENSION)), DPKG_PKG_EXTENSION) != 0)
 317           //     continue;
 318
 319           opkg_message(conf, OPKG_DEBUG2, "Debug mfs: %s  \n",filename );
 320
 321           err = opkg_prepare_url_for_install(conf, filename, &argv[i]);
 322           if (err)
 323             return err;
 324      }
 325      return 0;
 326 }
 327
 328 struct opkg_intercept
 329 {
 330     char *oldpath;
 331     char *statedir;
 332 };
 333
 334 typedef struct opkg_intercept *opkg_intercept_t;
 335
 336 opkg_intercept_t opkg_prep_intercepts(opkg_conf_t *conf)
 337 {
 338     opkg_intercept_t ctx;
 339     char *newpath;
 340     int gen;
 341
 342     ctx = malloc (sizeof (*ctx));
 343     ctx->oldpath = strdup (getenv ("PATH"));
 344
 345     sprintf_alloc (&newpath, "%s/opkg/intercept:%s", DATADIR, ctx->oldpath);
 346     setenv ("PATH", newpath, 1);
 347     free (newpath);
 348
 349     gen = 0;
 350  retry:
 351     sprintf_alloc (&ctx->statedir, "/tmp/opkg-intercept-%d-%d", getpid (), gen);
 352     if (mkdir (ctx->statedir, 0770) < 0) {
 353         if (errno == EEXIST) {
 354             free (ctx->statedir);
 355             gen++;
 356             goto retry;
 357         }
 358         perror (ctx->statedir);
 359         return NULL;
 360     }
 361     setenv ("OPKG_INTERCEPT_DIR", ctx->statedir, 1);
 362     return ctx;
 363 }
 364
 365 int opkg_finalize_intercepts(opkg_intercept_t ctx)
 366 {
 367     char *cmd;
 368     DIR *dir;
 369     int err = 0;
 370
 371     setenv ("PATH", ctx->oldpath, 1);
 372     free (ctx->oldpath);
 373
 374     dir = opendir (ctx->statedir);
 375     if (dir) {
 376         struct dirent *de;
 377         while (de = readdir (dir), de != NULL) {
 378             char *path;
 379
 380             if (de->d_name[0] == '.')
 381                 continue;
 382
 383             sprintf_alloc (&path, "%s/%s", ctx->statedir, de->d_name);
 384             if (access (path, X_OK) == 0) {
 385                 if (system (path)) {
 386                     err = errno;
 387                     perror (de->d_name);
 388                 }
 389             }
 390             free (path);
 391         }
 392     } else
 393         perror (ctx->statedir);
 394
 395     sprintf_alloc (&cmd, "rm -rf %s", ctx->statedir);
 396     system (cmd);
 397     free (cmd);
 398
 399     free (ctx->statedir);
 400     free (ctx);
 401
 402     return err;
 403 }
 404
 405 int opkg_configure_packages(opkg_conf_t *conf, char *pkg_name)
 406 {
 407      pkg_vec_t *all;
 408      int i;
 409      pkg_t *pkg;
 410      opkg_intercept_t ic;
 411      int r, err = 0;
 412
 413      opkg_message(conf, OPKG_INFO,
 414                   "Configuring unpacked packages\n");
 415      fflush( stdout );
 416
 417      all = pkg_vec_alloc();
 418      pkg_hash_fetch_available(&conf->pkg_hash, all);
 419
 420      ic = opkg_prep_intercepts (conf);
 421
 422      for(i = 0; i < all->len; i++) {
 423           pkg = all->pkgs[i];
 424
 425           if (pkg_name && fnmatch(pkg_name, pkg->name, 0))
 426                continue;
 427
 428           if (pkg->state_status == SS_UNPACKED) {
 429                opkg_message(conf, OPKG_NOTICE,
 430                             "Configuring %s\n", pkg->name);
 431                fflush( stdout );
 432                r = opkg_configure(conf, pkg);
 433                if (r == 0) {
 434                     pkg->state_status = SS_INSTALLED;
 435                     pkg->parent->state_status = SS_INSTALLED;
 436                     pkg->state_flag &= ~SF_PREFER;
 437                } else {
 438                     if (!err)
 439                         err = r;
 440                }
 441           }
 442      }
 443
 444      r = opkg_finalize_intercepts (ic);
 445      if (r && !err)
 446          err = r;
 447
 448      pkg_vec_free(all);
 449      return err;
 450 }
 451
 452 static opkg_conf_t *global_conf;
 453
 454 static void sigint_handler(int sig)
 455 {
 456      signal(sig, SIG_DFL);
 457      opkg_message(NULL, OPKG_NOTICE,
 458                   "opkg: interrupted. writing out status database\n");
 459      write_status_files_if_changed(global_conf);
 460      exit(128 + sig);
 461 }
 462
 463 static int opkg_install_cmd(opkg_conf_t *conf, int argc, char **argv)
 464 {
 465      int i;
 466      char *arg;
 467      int err=0;
 468
 469      global_conf = conf;
 470      signal(SIGINT, sigint_handler);
 471
 472      /*
 473       * Now scan through package names and install
 474       */
 475      for (i=0; i < argc; i++) {
 476           arg = argv[i];
 477
 478           opkg_message(conf, OPKG_DEBUG2, "Debug install_cmd: %s  \n",arg );
 479           err = opkg_prepare_url_for_install(conf, arg, &argv[i]);
 480           if (err != EINVAL && err != 0)
 481               return err;
 482      }
 483      pkg_info_preinstall_check(conf);
 484
 485      for (i=0; i < argc; i++) {
 486           arg = argv[i];
 487           if (conf->multiple_providers)
 488                err = opkg_install_multi_by_name(conf, arg);
 489           else{
 490                err = opkg_install_by_name(conf, arg);
 491           }
 492           if (err == OPKG_PKG_HAS_NO_CANDIDATE) {
 493                opkg_message(conf, OPKG_ERROR,
 494                             "Cannot find package %s.\n"
 495                             "Check the spelling or perhaps run 'opkg update'\n",
 496                             arg);
 497           }
 498      }
 499
 500      /* recheck to verify that all dependences are satisfied */
 501      if (0) opkg_satisfy_all_dependences(conf);
 502
 503      opkg_configure_packages(conf, NULL);
 504
 505      write_status_files_if_changed(conf);
 506
 507      return err;
 508 }
 509
 510 static int opkg_upgrade_cmd(opkg_conf_t *conf, int argc, char **argv)
 511 {
 512      int i;
 513      pkg_t *pkg;
 514      int err;
 515
 516      global_conf = conf;
 517      signal(SIGINT, sigint_handler);
 518
 519      if (argc) {
 520           for (i=0; i < argc; i++) {
 521                char *arg = argv[i];
 522
 523                err = opkg_prepare_url_for_install(conf, arg, &arg);
 524                if (err != EINVAL && err != 0)
 525                    return err;
 526           }
 527           pkg_info_preinstall_check(conf);
 528
 529           for (i=0; i < argc; i++) {
 530                char *arg = argv[i];
 531                if (conf->restrict_to_default_dest) {
 532                     pkg = pkg_hash_fetch_installed_by_name_dest(&conf->pkg_hash,
 533                                                                 argv[i],
 534                                                                 conf->default_dest);
 535                     if (pkg == NULL) {
 536                          opkg_message(conf, OPKG_NOTICE,
 537                                       "Package %s not installed in %s\n",
 538                                       argv[i], conf->default_dest->name);
 539                          continue;
 540                     }
 541                } else {
 542                     pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash,
 543                                                            argv[i]);
 544                }
 545                if (pkg)
 546                     opkg_upgrade_pkg(conf, pkg);
 547                else {
 548                     opkg_install_by_name(conf, arg);
 549                }
 550           }
 551      } else {
 552           pkg_vec_t *installed = pkg_vec_alloc();
 553
 554           pkg_info_preinstall_check(conf);
 555
 556           pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
 557           for (i = 0; i < installed->len; i++) {
 558                pkg = installed->pkgs[i];
 559                opkg_upgrade_pkg(conf, pkg);
 560           }
 561           pkg_vec_free(installed);
 562      }
 563
 564      /* recheck to verify that all dependences are satisfied */
 565      if (0) opkg_satisfy_all_dependences(conf);
 566
 567      opkg_configure_packages(conf, NULL);
 568
 569      write_status_files_if_changed(conf);
 570
 571      return 0;
 572 }
 573
 574 static int opkg_download_cmd(opkg_conf_t *conf, int argc, char **argv)
 575 {
 576      int i, err;
 577      char *arg;
 578      pkg_t *pkg;
 579
 580      pkg_info_preinstall_check(conf);
 581      for (i = 0; i < argc; i++) {
 582           arg = argv[i];
 583
 584           pkg = pkg_hash_fetch_best_installation_candidate_by_name(conf, arg);
 585           if (pkg == NULL) {
 586                opkg_message(conf, OPKG_ERROR,
 587                             "Cannot find package %s.\n"
 588                             "Check the spelling or perhaps run 'opkg update'\n",
 589                             arg);
 590                continue;
 591           }
 592
 593           err = opkg_download_pkg(conf, pkg, ".");
 594
 595           if (err) {
 596                opkg_message(conf, OPKG_ERROR,
 597                             "Failed to download %s\n", pkg->name);
 598           } else {
 599                opkg_message(conf, OPKG_NOTICE,
 600                             "Downloaded %s as %s\n",
 601                             pkg->name, pkg->local_filename);
 602           }
 603      }
 604
 605      return 0;
 606 }
 607
 608
 609 static int opkg_list_cmd(opkg_conf_t *conf, int argc, char **argv)
 610 {
 611      int i ;
 612      pkg_vec_t *available;
 613      pkg_t *pkg;
 614      char desc_short[OPKG_LIST_DESCRIPTION_LENGTH];
 615      char *newline;
 616      char *pkg_name = NULL;
 617      char *version_str;
 618
 619      if (argc > 0) {
 620           pkg_name = argv[0];
 621      }
 622      available = pkg_vec_alloc();
 623      pkg_hash_fetch_available(&conf->pkg_hash, available);
 624      for (i=0; i < available->len; i++) {
 625           pkg = available->pkgs[i];
 626           /* if we have package name or pattern and pkg does not match, then skip it */
 627           if (pkg_name && fnmatch(pkg_name, pkg->name, 0))
 628                continue;
 629           if (pkg->description) {
 630                strncpy(desc_short, pkg->description, OPKG_LIST_DESCRIPTION_LENGTH);
 631           } else {
 632                desc_short[0] = '\0';
 633           }
 634           desc_short[OPKG_LIST_DESCRIPTION_LENGTH - 1] = '\0';
 635           newline = strchr(desc_short, '\n');
 636           if (newline) {
 637                *newline = '\0';
 638           }
 639           if (opkg_cb_list) {
 640                 version_str = pkg_version_str_alloc(pkg);
 641                 opkg_cb_list(pkg->name,desc_short,
 642                                              version_str,
 643                                          pkg->state_status,
 644                                          p_userdata);
 645                 free(version_str);
 646           }
 647      }
 648      pkg_vec_free(available);
 649
 650      return 0;
 651 }
 652
 653
 654 static int opkg_list_installed_cmd(opkg_conf_t *conf, int argc, char **argv)
 655 {
 656      int i ;
 657      pkg_vec_t *available;
 658      pkg_t *pkg;
 659      char desc_short[OPKG_LIST_DESCRIPTION_LENGTH];
 660      char *newline;
 661      char *pkg_name = NULL;
 662      char *version_str;
 663
 664      if (argc > 0) {
 665           pkg_name = argv[0];
 666      }
 667      available = pkg_vec_alloc();
 668      pkg_hash_fetch_all_installed(&conf->pkg_hash, available);
 669      for (i=0; i < available->len; i++) {
 670           pkg = available->pkgs[i];
 671           /* if we have package name or pattern and pkg does not match, then skip it */
 672           if (pkg_name && fnmatch(pkg_name, pkg->name, 0))
 673                continue;
 674           if (pkg->description) {
 675                strncpy(desc_short, pkg->description, OPKG_LIST_DESCRIPTION_LENGTH);
 676           } else {
 677                desc_short[0] = '\0';
 678           }
 679           desc_short[OPKG_LIST_DESCRIPTION_LENGTH - 1] = '\0';
 680           newline = strchr(desc_short, '\n');
 681           if (newline) {
 682                *newline = '\0';
 683           }
 684           if (opkg_cb_list) {
 685                 version_str = pkg_version_str_alloc(pkg);
 686                 opkg_cb_list(pkg->name,desc_short,
 687                                              version_str,
 688                                          pkg->state_status,
 689                                          p_userdata);
 690                 free(version_str);
 691           }
 692      }
 693
 694      return 0;
 695 }
 696
 697 static int opkg_info_status_cmd(opkg_conf_t *conf, int argc, char **argv, int installed_only)
 698 {
 699      int i;
 700      pkg_vec_t *available;
 701      pkg_t *pkg;
 702      char *pkg_name = NULL;
 703      char **pkg_fields = NULL;
 704      int n_fields = 0;
 705      char *buff ; // = (char *)malloc(1);
 706
 707      if (argc > 0) {
 708           pkg_name = argv[0];
 709      }
 710      if (argc > 1) {
 711           pkg_fields = &argv[1];
 712           n_fields = argc - 1;
 713      }
 714
 715      available = pkg_vec_alloc();
 716      if (installed_only)
 717           pkg_hash_fetch_all_installed(&conf->pkg_hash, available);
 718      else
 719           pkg_hash_fetch_available(&conf->pkg_hash, available);
 720      for (i=0; i < available->len; i++) {
 721           pkg = available->pkgs[i];
 722           if (pkg_name && fnmatch(pkg_name, pkg->name, 0)) {
 723                continue;
 724           }
 725
 726           buff = pkg_formatted_info(pkg);
 727           if ( buff ) {
 728                if (opkg_cb_status) opkg_cb_status(pkg->name,
 729                                                   pkg->state_status,
 730                                                   buff,
 731                                                   p_userdata);
 732 /*
 733    We should not forget that actually the pointer is allocated.
 734    We need to free it :)  ( Thanks florian for seeing the error )
 735 */
 736                free(buff);
 737           }
 738           if (conf->verbosity > 1) {
 739                conffile_list_elt_t *iter;
 740                for (iter = pkg->conffiles.head; iter; iter = iter->next) {
 741                     conffile_t *cf = iter->data;
 742                     int modified = conffile_has_been_modified(conf, cf);
 743                     opkg_message(conf, OPKG_NOTICE, "conffile=%s md5sum=%s modified=%d\n",
 744                                  cf->name, cf->value, modified);
 745                }
 746           }
 747      }
 748      pkg_vec_free(available);
 749
 750      return 0;
 751 }
 752
 753 static int opkg_info_cmd(opkg_conf_t *conf, int argc, char **argv)
 754 {
 755      return opkg_info_status_cmd(conf, argc, argv, 0);
 756 }
 757
 758 static int opkg_status_cmd(opkg_conf_t *conf, int argc, char **argv)
 759 {
 760      return opkg_info_status_cmd(conf, argc, argv, 1);
 761 }
 762
 763 static int opkg_configure_cmd(opkg_conf_t *conf, int argc, char **argv)
 764 {
 765
 766      int err;
 767      if (argc > 0) {
 768           char *pkg_name = NULL;
 769
 770           pkg_name = argv[0];
 771
 772           err = opkg_configure_packages (conf, pkg_name);
 773
 774      } else {
 775           err = opkg_configure_packages (conf, NULL);
 776      }
 777
 778      write_status_files_if_changed(conf);
 779
 780      return err;
 781 }
 782
 783 static int opkg_install_pending_cmd(opkg_conf_t *conf, int argc, char **argv)
 784 {
 785      int i, err;
 786      char *globpattern;
 787      glob_t globbuf;
 788
 789      sprintf_alloc(&globpattern, "%s/*" OPKG_PKG_EXTENSION, conf->pending_dir);
 790      err = glob(globpattern, 0, NULL, &globbuf);
 791      free(globpattern);
 792      if (err) {
 793           return 0;
 794      }
 795
 796      opkg_message(conf, OPKG_NOTICE,
 797                   "The following packages in %s will now be installed.\n",
 798                   conf->pending_dir);
 799      for (i = 0; i < globbuf.gl_pathc; i++) {
 800           opkg_message(conf, OPKG_NOTICE,
 801                        "%s%s", i == 0 ? "" : " ", globbuf.gl_pathv[i]);
 802      }
 803      opkg_message(conf, OPKG_NOTICE, "\n");
 804      for (i = 0; i < globbuf.gl_pathc; i++) {
 805           err = opkg_install_from_file(conf, globbuf.gl_pathv[i]);
 806           if (err == 0) {
 807                err = unlink(globbuf.gl_pathv[i]);
 808                if (err) {
 809                     opkg_message(conf, OPKG_ERROR,
 810                                  "%s: ERROR: failed to unlink %s: %s\n",
 811                                  __FUNCTION__, globbuf.gl_pathv[i], strerror(err));
 812                     return err;
 813                }
 814           }
 815      }
 816      globfree(&globbuf);
 817
 818      return err;
 819 }
 820
 821 static int opkg_remove_cmd(opkg_conf_t *conf, int argc, char **argv)
 822 {
 823      int i,a,done;
 824      pkg_t *pkg;
 825      pkg_t *pkg_to_remove;
 826      pkg_vec_t *available;
 827      char *pkg_name = NULL;
 828      global_conf = conf;
 829      signal(SIGINT, sigint_handler);
 830
 831 // ENH: Add the "no pkg removed" just in case.
 832
 833     done = 0;
 834
 835      available = pkg_vec_alloc();
 836      pkg_info_preinstall_check(conf);
 837      if ( argc > 0 ) {
 838         pkg_hash_fetch_all_installed(&conf->pkg_hash, available);
 839         for (i=0; i < argc; i++) {
 840            pkg_name = malloc(strlen(argv[i])+2);
 841            strcpy(pkg_name,argv[i]);
 842            for (a=0; a < available->len; a++) {
 843                pkg = available->pkgs[a];
 844                if (pkg_name && fnmatch(pkg_name, pkg->name, 0)) {
 845                   continue;
 846                }
 847                if (conf->restrict_to_default_dest) {
 848                     pkg_to_remove = pkg_hash_fetch_installed_by_name_dest(&conf->pkg_hash,
 849                                                                 pkg->name,
 850                                                                 conf->default_dest);
 851                } else {
 852                     pkg_to_remove = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name );
 853                }
 854
 855                if (pkg == NULL) {
 856                     opkg_message(conf, OPKG_ERROR, "Package %s is not installed.\n", pkg->name);
 857                     continue;
 858                }
 859                if (pkg->state_status == SS_NOT_INSTALLED) {    // Added the control, so every already removed package could be skipped
 860                     opkg_message(conf, OPKG_ERROR, "Package seems to be %s not installed (STATUS = NOT_INSTALLED).\n", pkg->name);
 861                     continue;
 862                }
 863                opkg_remove_pkg(conf, pkg_to_remove,0);
 864                done = 1;
 865            }
 866            free (pkg_name);
 867         }
 868         pkg_vec_free(available);
 869      } else {
 870           pkg_vec_t *installed_pkgs = pkg_vec_alloc();
 871           int i;
 872           int flagged_pkg_count = 0;
 873           int removed;
 874
 875           pkg_hash_fetch_all_installed(&conf->pkg_hash, installed_pkgs);
 876
 877           for (i = 0; i < installed_pkgs->len; i++) {
 878                pkg_t *pkg = installed_pkgs->pkgs[i];
 879                if (pkg->state_flag & SF_USER) {
 880                     flagged_pkg_count++;
 881                } else {
 882                     if (!pkg_has_installed_dependents(conf, pkg->parent, pkg, NULL))
 883                          opkg_message(conf, OPKG_NOTICE, "Non-user leaf package: %s\n", pkg->name);
 884                }
 885           }
 886           if (!flagged_pkg_count) {
 887                opkg_message(conf, OPKG_NOTICE, "No packages flagged as installed by user, \n"
 888                             "so refusing to uninstall unflagged non-leaf packages\n");
 889                return 0;
 890           }
 891
 892           /* find packages not flagged SF_USER (i.e., installed to
 893            * satisfy a dependence) and not having any dependents, and
 894            * remove them */
 895           do {
 896                removed = 0;
 897                for (i = 0; i < installed_pkgs->len; i++) {
 898                     pkg_t *pkg = installed_pkgs->pkgs[i];
 899                     if (!(pkg->state_flag & SF_USER)
 900                         && !pkg_has_installed_dependents(conf, pkg->parent, pkg, NULL)) {
 901                          removed++;
 902                          opkg_message(conf, OPKG_NOTICE, "Removing non-user leaf package %s\n");
 903                          opkg_remove_pkg(conf, pkg,0);
 904                          done = 1;
 905                     }
 906                }
 907           } while (removed);
 908           pkg_vec_free(installed_pkgs);
 909      }
 910
 911      if ( done == 0 )
 912         opkg_message(conf, OPKG_NOTICE, "No packages removed.\n");
 913
 914      write_status_files_if_changed(conf);
 915      return 0;
 916 }
 917
 918 static int opkg_purge_cmd(opkg_conf_t *conf, int argc, char **argv)
 919 {
 920      int i;
 921      pkg_t *pkg;
 922
 923      global_conf = conf;
 924      signal(SIGINT, sigint_handler);
 925
 926      pkg_info_preinstall_check(conf);
 927
 928      for (i=0; i < argc; i++) {
 929           if (conf->restrict_to_default_dest) {
 930                pkg = pkg_hash_fetch_installed_by_name_dest(&conf->pkg_hash,
 931                                                            argv[i],
 932                                                            conf->default_dest);
 933           } else {
 934                pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, argv[i]);
 935           }
 936
 937           if (pkg == NULL) {
 938                opkg_message(conf, OPKG_ERROR,
 939                             "Package %s is not installed.\n", argv[i]);
 940                continue;
 941           }
 942           opkg_purge_pkg(conf, pkg);
 943      }
 944
 945      write_status_files_if_changed(conf);
 946      return 0;
 947 }
 948
 949 static int opkg_flag_cmd(opkg_conf_t *conf, int argc, char **argv)
 950 {
 951      int i;
 952      pkg_t *pkg;
 953      const char *flags = argv[0];
 954
 955      global_conf = conf;
 956      signal(SIGINT, sigint_handler);
 957
 958      for (i=1; i < argc; i++) {
 959           if (conf->restrict_to_default_dest) {
 960                pkg = pkg_hash_fetch_installed_by_name_dest(&conf->pkg_hash,
 961                                                            argv[i],
 962                                                            conf->default_dest);
 963           } else {
 964                pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, argv[i]);
 965           }
 966
 967           if (pkg == NULL) {
 968                opkg_message(conf, OPKG_ERROR,
 969                             "Package %s is not installed.\n", argv[i]);
 970                continue;
 971           }
 972           if (( strcmp(flags,"hold")==0)||( strcmp(flags,"noprune")==0)||
 973               ( strcmp(flags,"user")==0)||( strcmp(flags,"ok")==0)) {
 974               pkg->state_flag = pkg_state_flag_from_str(flags);
 975           }
 976 /* pb_ asked this feature 03292004 */
 977 /* Actually I will use only this two, but this is an open for various status */
 978           if (( strcmp(flags,"installed")==0)||( strcmp(flags,"unpacked")==0)){
 979               pkg->state_status = pkg_state_status_from_str(flags);
 980           }
 981           opkg_state_changed++;
 982           opkg_message(conf, OPKG_NOTICE,
 983                        "Setting flags for package %s to %s\n",
 984                        pkg->name, flags);
 985      }
 986
 987      write_status_files_if_changed(conf);
 988      return 0;
 989 }
 990
 991 static int opkg_files_cmd(opkg_conf_t *conf, int argc, char **argv)
 992 {
 993      pkg_t *pkg;
 994      str_list_t *installed_files;
 995      str_list_elt_t *iter;
 996      char *pkg_version;
 997      size_t buff_len = 8192;
 998      size_t used_len;
 999      char *buff ;
1000
1001      buff = (char *)malloc(buff_len);
1002      if ( buff == NULL ) {
1003         fprintf( stderr,"%s: Unable to allocate memory \n",__FUNCTION__);
1004         return ENOMEM;
1005      }
1006
1007      if (argc < 1) {
1008           return EINVAL;
1009      }
1010
1011      pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash,
1012                                             argv[0]);
1013      if (pkg == NULL) {
1014           opkg_message(conf, OPKG_ERROR,
1015                        "Package %s not installed.\n", argv[0]);
1016           return 0;
1017      }
1018
1019      installed_files = pkg_get_installed_files(pkg);
1020      pkg_version = pkg_version_str_alloc(pkg);
1021
1022      if (buff) {
1023      try_again:
1024           used_len = snprintf(buff, buff_len, "Package %s (%s) is installed on %s and has the following files:\n",
1025                               pkg->name, pkg_version, pkg->dest->name) + 1;
1026           if (used_len > buff_len) {
1027                buff_len *= 2;
1028                buff = realloc (buff, buff_len);
1029                goto try_again;
1030           }
1031           for (iter = installed_files->head; iter; iter = iter->next) {
1032                used_len += strlen (iter->data) + 1;
1033                while (buff_len <= used_len) {
1034                     buff_len *= 2;
1035                     buff = realloc (buff, buff_len);
1036                }
1037                strncat(buff, iter->data, buff_len);
1038                strncat(buff, "\n", buff_len);
1039           }
1040           if (opkg_cb_list) opkg_cb_list(pkg->name,
1041                                          buff,
1042                                          pkg_version_str_alloc(pkg),
1043                                          pkg->state_status,
1044                                          p_userdata);
1045           free(buff);
1046      }
1047
1048      free(pkg_version);
1049      pkg_free_installed_files(pkg);
1050
1051      return 0;
1052 }
1053
1054 static int opkg_depends_cmd(opkg_conf_t *conf, int argc, char **argv)
1055 {
1056
1057      if (argc > 0) {
1058           pkg_vec_t *available_pkgs = pkg_vec_alloc();
1059           const char *rel_str = "depends on";
1060           int i;
1061
1062           pkg_info_preinstall_check(conf);
1063
1064           if (conf->query_all)
1065                pkg_hash_fetch_available(&conf->pkg_hash, available_pkgs);
1066           else
1067                pkg_hash_fetch_all_installed(&conf->pkg_hash, available_pkgs);
1068           for (i = 0; i < argc; i++) {
1069                const char *target = argv[i];
1070                int j;
1071
1072                opkg_message(conf, OPKG_ERROR, "target=%s\n", target);
1073
1074                for (j = 0; j < available_pkgs->len; j++) {
1075                     pkg_t *pkg = available_pkgs->pkgs[j];
1076                     if (fnmatch(target, pkg->name, 0) == 0) {
1077                          int k;
1078                          int count = pkg->depends_count + pkg->pre_depends_count;
1079                          opkg_message(conf, OPKG_ERROR, "What %s (arch=%s) %s\n",
1080                                       target, pkg->architecture, rel_str);
1081                          for (k = 0; k < count; k++) {
1082                               compound_depend_t *cdepend = &pkg->depends[k];
1083                               int l;
1084                               for (l = 0; l < cdepend->possibility_count; l++) {
1085                                    depend_t *possibility = cdepend->possibilities[l];
1086                                    opkg_message(conf, OPKG_ERROR, "    %s", possibility->pkg->name);
1087                                    if (conf->verbosity > 0) {
1088                                         // char *ver = abstract_pkg_version_str_alloc(possibility->pkg);
1089                                         opkg_message(conf, OPKG_NOTICE, " %s", possibility->version);
1090                                         if (possibility->version) {
1091                                              char *typestr = NULL;
1092                                              switch (possibility->constraint) {
1093                                              case NONE: typestr = "none"; break;
1094                                              case EARLIER: typestr = "<"; break;
1095                                              case EARLIER_EQUAL: typestr = "<="; break;
1096                                              case EQUAL: typestr = "="; break;
1097                                              case LATER_EQUAL: typestr = ">="; break;
1098                                              case LATER: typestr = ">"; break;
1099                                              }
1100                                              opkg_message(conf, OPKG_NOTICE, " (%s %s)", typestr, possibility->version);
1101                                         }
1102                                         // free(ver);
1103                                    }
1104                                    opkg_message(conf, OPKG_ERROR, "\n");
1105                               }
1106                          }
1107                     }
1108                }
1109           }
1110           pkg_vec_free(available_pkgs);
1111      }
1112      return 0;
1113 }
1114
1115 enum what_field_type {
1116   WHATDEPENDS,
1117   WHATCONFLICTS,
1118   WHATPROVIDES,
1119   WHATREPLACES,
1120   WHATRECOMMENDS,
1121   WHATSUGGESTS
1122 };
1123
1124 static int opkg_what_depends_conflicts_cmd(opkg_conf_t *conf, enum what_field_type what_field_type, int recursive, int argc, char **argv)
1125 {
1126
1127      if (argc > 0) {
1128           pkg_vec_t *available_pkgs = pkg_vec_alloc();
1129           const char *rel_str = NULL;
1130           int i;
1131           int changed;
1132
1133           switch (what_field_type) {
1134           case WHATDEPENDS: rel_str = "depends on"; break;
1135           case WHATCONFLICTS: rel_str = "conflicts with"; break;
1136           case WHATSUGGESTS: rel_str = "suggests"; break;
1137           case WHATRECOMMENDS: rel_str = "recommends"; break;
1138           case WHATPROVIDES: rel_str = "provides"; break;
1139           case WHATREPLACES: rel_str = "replaces"; break;
1140           }
1141
1142           if (conf->query_all)
1143                pkg_hash_fetch_available(&conf->pkg_hash, available_pkgs);
1144           else
1145                pkg_hash_fetch_all_installed(&conf->pkg_hash, available_pkgs);
1146
1147           /* mark the root set */
1148           pkg_vec_clear_marks(available_pkgs);
1149           opkg_message(conf, OPKG_NOTICE, "Root set:\n");
1150           for (i = 0; i < argc; i++) {
1151                const char *dependee_pattern = argv[i];
1152                pkg_vec_mark_if_matches(available_pkgs, dependee_pattern);
1153           }
1154           for (i = 0; i < available_pkgs->len; i++) {
1155                pkg_t *pkg = available_pkgs->pkgs[i];
1156                if (pkg->state_flag & SF_MARKED) {
1157                     /* mark the parent (abstract) package */
1158                     pkg_mark_provides(pkg);
1159                     opkg_message(conf, OPKG_NOTICE, "  %s\n", pkg->name);
1160                }
1161           }
1162
1163           opkg_message(conf, OPKG_NOTICE, "What %s root set\n", rel_str);
1164           do {
1165                int j;
1166                changed = 0;
1167
1168                for (j = 0; j < available_pkgs->len; j++) {
1169                     pkg_t *pkg = available_pkgs->pkgs[j];
1170                     int k;
1171                     int count = ((what_field_type == WHATCONFLICTS)
1172                                  ? pkg->conflicts_count
1173                                  : pkg->pre_depends_count + pkg->depends_count + pkg->recommends_count + pkg->suggests_count);
1174                     /* skip this package if it is already marked */
1175                     if (pkg->parent->state_flag & SF_MARKED) {
1176                          continue;
1177                     }
1178                     for (k = 0; k < count; k++) {
1179                          compound_depend_t *cdepend =
1180                               (what_field_type == WHATCONFLICTS) ? &pkg->conflicts[k] : &pkg->depends[k];
1181                          int l;
1182                          for (l = 0; l < cdepend->possibility_count; l++) {
1183                               depend_t *possibility = cdepend->possibilities[l];
1184                               if (possibility->pkg->state_flag & SF_MARKED) {
1185                                    /* mark the depending package so we won't visit it again */
1186                                    pkg->state_flag |= SF_MARKED;
1187                                    pkg_mark_provides(pkg);
1188                                    changed++;
1189
1190                                    opkg_message(conf, OPKG_NOTICE, "    %s", pkg->name);
1191                                    if (conf->verbosity > 0) {
1192                                         char *ver = pkg_version_str_alloc(pkg);
1193                                         opkg_message(conf, OPKG_NOTICE, " %s", ver);
1194                                         opkg_message(conf, OPKG_NOTICE, "\t%s %s", rel_str, possibility->pkg->name);
1195                                         if (possibility->version) {
1196                                              char *typestr = NULL;
1197                                              switch (possibility->constraint) {
1198                                              case NONE: typestr = "none"; break;
1199                                              case EARLIER: typestr = "<"; break;
1200                                              case EARLIER_EQUAL: typestr = "<="; break;
1201                                              case EQUAL: typestr = "="; break;
1202                                              case LATER_EQUAL: typestr = ">="; break;
1203                                              case LATER: typestr = ">"; break;
1204                                              }
1205                                              opkg_message(conf, OPKG_NOTICE, " (%s %s)", typestr, possibility->version);
1206                                         }
1207                                         free(ver);
1208                                         if (!pkg_dependence_satisfiable(conf, possibility))
1209                                              opkg_message(conf, OPKG_NOTICE, " unsatisfiable");
1210                                    }
1211                                    opkg_message(conf, OPKG_NOTICE, "\n");
1212                                    goto next_package;
1213                               }
1214                          }
1215                     }
1216                next_package:
1217                     ;
1218                }
1219           } while (changed && recursive);
1220           pkg_vec_free(available_pkgs);
1221      }
1222
1223      return 0;
1224 }
1225
1226 int pkg_mark_provides(pkg_t *pkg)
1227 {
1228      int provides_count = pkg->provides_count;
1229      abstract_pkg_t **provides = pkg->provides;
1230      int i;
1231      pkg->parent->state_flag |= SF_MARKED;
1232      for (i = 0; i < provides_count; i++) {
1233           provides[i]->state_flag |= SF_MARKED;
1234      }
1235      return 0;
1236 }
1237
1238 static int opkg_whatdepends_recursively_cmd(opkg_conf_t *conf, int argc, char **argv)
1239 {
1240      return opkg_what_depends_conflicts_cmd(conf, WHATDEPENDS, 1, argc, argv);
1241 }
1242 static int opkg_whatdepends_cmd(opkg_conf_t *conf, int argc, char **argv)
1243 {
1244      return opkg_what_depends_conflicts_cmd(conf, WHATDEPENDS, 0, argc, argv);
1245 }
1246
1247 static int opkg_whatsuggests_cmd(opkg_conf_t *conf, int argc, char **argv)
1248 {
1249      return opkg_what_depends_conflicts_cmd(conf, WHATSUGGESTS, 0, argc, argv);
1250 }
1251
1252 static int opkg_whatrecommends_cmd(opkg_conf_t *conf, int argc, char **argv)
1253 {
1254      return opkg_what_depends_conflicts_cmd(conf, WHATRECOMMENDS, 0, argc, argv);
1255 }
1256
1257 static int opkg_whatconflicts_cmd(opkg_conf_t *conf, int argc, char **argv)
1258 {
1259      return opkg_what_depends_conflicts_cmd(conf, WHATCONFLICTS, 0, argc, argv);
1260 }
1261
1262 static int opkg_what_provides_replaces_cmd(opkg_conf_t *conf, enum what_field_type what_field_type, int argc, char **argv)
1263 {
1264
1265      if (argc > 0) {
1266           pkg_vec_t *available_pkgs = pkg_vec_alloc();
1267           const char *rel_str = (what_field_type == WHATPROVIDES ? "provides" : "replaces");
1268           int i;
1269
1270           pkg_info_preinstall_check(conf);
1271
1272           if (conf->query_all)
1273                pkg_hash_fetch_available(&conf->pkg_hash, available_pkgs);
1274           else
1275                pkg_hash_fetch_all_installed(&conf->pkg_hash, available_pkgs);
1276           for (i = 0; i < argc; i++) {
1277                const char *target = argv[i];
1278                int j;
1279
1280                opkg_message(conf, OPKG_ERROR, "What %s %s\n",
1281                             rel_str, target);
1282                for (j = 0; j < available_pkgs->len; j++) {
1283                     pkg_t *pkg = available_pkgs->pkgs[j];
1284                     int k;
1285                     int count = (what_field_type == WHATPROVIDES) ? pkg->provides_count : pkg->replaces_count;
1286                     for (k = 0; k < count; k++) {
1287                          abstract_pkg_t *apkg =
1288                               ((what_field_type == WHATPROVIDES)
1289                                ? pkg->provides[k]
1290                                : pkg->replaces[k]);
1291                          if (fnmatch(target, apkg->name, 0) == 0) {
1292                               opkg_message(conf, OPKG_ERROR, "    %s", pkg->name);
1293                               if (strcmp(target, apkg->name) != 0)
1294                                    opkg_message(conf, OPKG_ERROR, "\t%s %s\n", rel_str, apkg->name);
1295                               opkg_message(conf, OPKG_ERROR, "\n");
1296                          }
1297                     }
1298                }
1299           }
1300           pkg_vec_free(available_pkgs);
1301      }
1302      return 0;
1303 }
1304
1305 static int opkg_whatprovides_cmd(opkg_conf_t *conf, int argc, char **argv)
1306 {
1307      return opkg_what_provides_replaces_cmd(conf, WHATPROVIDES, argc, argv);
1308 }
1309
1310 static int opkg_whatreplaces_cmd(opkg_conf_t *conf, int argc, char **argv)
1311 {
1312      return opkg_what_provides_replaces_cmd(conf, WHATREPLACES, argc, argv);
1313 }
1314
1315 static int opkg_search_cmd(opkg_conf_t *conf, int argc, char **argv)
1316 {
1317      int i;
1318
1319      pkg_vec_t *installed;
1320      pkg_t *pkg;
1321      str_list_t *installed_files;
1322      str_list_elt_t *iter;
1323      char *installed_file;
1324
1325      if (argc < 1) {
1326           return EINVAL;
1327      }
1328
1329      installed = pkg_vec_alloc();
1330      pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
1331
1332      for (i=0; i < installed->len; i++) {
1333           pkg = installed->pkgs[i];
1334
1335           installed_files = pkg_get_installed_files(pkg);
1336
1337           for (iter = installed_files->head; iter; iter = iter->next) {
1338                installed_file = iter->data;
1339                if (fnmatch(argv[0], installed_file, 0)==0)  {
1340                         if (opkg_cb_list) opkg_cb_list(pkg->name,
1341                                                        installed_file,
1342                                                        pkg_version_str_alloc(pkg),
1343                                                        pkg->state_status, p_userdata);
1344                }
1345           }
1346
1347           pkg_free_installed_files(pkg);
1348      }
1349
1350      /* XXX: CLEANUP: It's not obvious from the name of
1351         pkg_hash_fetch_all_installed that we need to call
1352         pkg_vec_free to avoid a memory leak. */
1353      pkg_vec_free(installed);
1354
1355      return 0;
1356 }
1357
1358 static int opkg_compare_versions_cmd(opkg_conf_t *conf, int argc, char **argv)
1359 {
1360      if (argc == 3) {
1361           /* this is a bit gross */
1362           struct pkg p1, p2;
1363           parseVersion(&p1, argv[0]);
1364           parseVersion(&p2, argv[2]);
1365           return pkg_version_satisfied(&p1, &p2, argv[1]);
1366      } else {
1367           opkg_message(conf, OPKG_ERROR,
1368                        "opkg compare_versions <v1> <op> <v2>\n"
1369                        "<op> is one of <= >= << >> =\n");
1370           return -1;
1371      }
1372 }
1373
1374 #ifndef HOST_CPU_STR
1375 #define HOST_CPU_STR__(X) #X
1376 #define HOST_CPU_STR_(X) HOST_CPU_STR__(X)
1377 #define HOST_CPU_STR HOST_CPU_STR_(HOST_CPU_FOO)
1378 #endif
1379
1380 static int opkg_print_architecture_cmd(opkg_conf_t *conf, int argc, char **argv)
1381 {
1382      nv_pair_list_elt_t *l;
1383
1384      l = conf->arch_list.head;
1385      while (l) {
1386           nv_pair_t *nv = l->data;
1387           printf("arch %s %s\n", nv->name, nv->value);
1388           l = l->next;
1389      }
1390      return 0;
1391 }
1392
1393