libopkg/opkg_cmd.c

   1 /* opkg_cmd.c - the itsy 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 #include <string.h>
  19
  20 #include "opkg.h"
  21 #include <libgen.h>
  22 #include <glob.h>
  23 #include <errno.h>
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26 #include <signal.h>
  27 #include <stdio.h>
  28 #include <dirent.h>
  29
  30 #include "opkg_conf.h"
  31 #include "opkg_cmd.h"
  32 #include "opkg_message.h"
  33 #include "pkg.h"
  34 #include "pkg_dest.h"
  35 #include "pkg_parse.h"
  36 #include "sprintf_alloc.h"
  37 #include "pkg.h"
  38 #include "file_util.h"
  39 #include "str_util.h"
  40 #include "libbb/libbb.h"
  41
  42 #include <fnmatch.h>
  43
  44
  45 #include "opkg_download.h"
  46 #include "opkg_install.h"
  47 #include "opkg_upgrade.h"
  48 #include "opkg_remove.h"
  49 #include "opkg_configure.h"
  50 #include "opkg_message.h"
  51
  52 #ifdef OPKG_LIB
  53 #include "libopkg.h"
  54 static void *p_userdata = NULL;
  55 #endif
  56
  57 static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv);
  58 static int opkg_upgrade_cmd(opkg_conf_t *conf, int argc, char **argv);
  59 static int opkg_list_cmd(opkg_conf_t *conf, int argc, char **argv);
  60 static int opkg_info_cmd(opkg_conf_t *conf, int argc, char **argv);
  61 static int opkg_status_cmd(opkg_conf_t *conf, int argc, char **argv);
  62 static int opkg_install_pending_cmd(opkg_conf_t *conf, int argc, char **argv);
  63 static int opkg_install_cmd(opkg_conf_t *conf, int argc, char **argv);
  64 static int opkg_list_installed_cmd(opkg_conf_t *conf, int argc, char **argv);
  65 static int opkg_remove_cmd(opkg_conf_t *conf, int argc, char **argv);
  66 static int opkg_purge_cmd(opkg_conf_t *conf, int argc, char **argv);
  67 static int opkg_flag_cmd(opkg_conf_t *conf, int argc, char **argv);
  68 static int opkg_files_cmd(opkg_conf_t *conf, int argc, char **argv);
  69 static int opkg_search_cmd(opkg_conf_t *conf, int argc, char **argv);
  70 static int opkg_download_cmd(opkg_conf_t *conf, int argc, char **argv);
  71 static int opkg_depends_cmd(opkg_conf_t *conf, int argc, char **argv);
  72 static int opkg_whatdepends_cmd(opkg_conf_t *conf, int argc, char **argv);
  73 static int opkg_whatdepends_recursively_cmd(opkg_conf_t *conf, int argc, char **argv);
  74 static int opkg_whatsuggests_cmd(opkg_conf_t *conf, int argc, char **argv);
  75 static int opkg_whatrecommends_cmd(opkg_conf_t *conf, int argc, char **argv);
  76 static int opkg_whatprovides_cmd(opkg_conf_t *conf, int argc, char **argv);
  77 static int opkg_whatconflicts_cmd(opkg_conf_t *conf, int argc, char **argv);
  78 static int opkg_whatreplaces_cmd(opkg_conf_t *conf, int argc, char **argv);
  79 static int opkg_compare_versions_cmd(opkg_conf_t *conf, int argc, char **argv);
  80 static int opkg_print_architecture_cmd(opkg_conf_t *conf, int argc, char **argv);
  81 static int opkg_configure_cmd(opkg_conf_t *conf, int argc, char **argv);
  82
  83 /* XXX: CLEANUP: The usage strings should be incorporated into this
  84    array for easier maintenance */
  85 static opkg_cmd_t cmds[] = {
  86      {"update", 0, (opkg_cmd_fun_t)opkg_update_cmd},
  87      {"upgrade", 0, (opkg_cmd_fun_t)opkg_upgrade_cmd},
  88      {"list", 0, (opkg_cmd_fun_t)opkg_list_cmd},
  89      {"list_installed", 0, (opkg_cmd_fun_t)opkg_list_installed_cmd},
  90      {"info", 0, (opkg_cmd_fun_t)opkg_info_cmd},
  91      {"flag", 1, (opkg_cmd_fun_t)opkg_flag_cmd},
  92      {"status", 0, (opkg_cmd_fun_t)opkg_status_cmd},
  93      {"install_pending", 0, (opkg_cmd_fun_t)opkg_install_pending_cmd},
  94      {"install", 1, (opkg_cmd_fun_t)opkg_install_cmd},
  95      {"remove", 1, (opkg_cmd_fun_t)opkg_remove_cmd},
  96      {"purge", 1, (opkg_cmd_fun_t)opkg_purge_cmd},
  97      {"configure", 0, (opkg_cmd_fun_t)opkg_configure_cmd},
  98      {"files", 1, (opkg_cmd_fun_t)opkg_files_cmd},
  99      {"search", 1, (opkg_cmd_fun_t)opkg_search_cmd},
 100      {"download", 1, (opkg_cmd_fun_t)opkg_download_cmd},
 101      {"compare_versions", 1, (opkg_cmd_fun_t)opkg_compare_versions_cmd},
 102      {"compare-versions", 1, (opkg_cmd_fun_t)opkg_compare_versions_cmd},
 103      {"print-architecture", 0, (opkg_cmd_fun_t)opkg_print_architecture_cmd},
 104      {"print_architecture", 0, (opkg_cmd_fun_t)opkg_print_architecture_cmd},
 105      {"print-installation-architecture", 0, (opkg_cmd_fun_t)opkg_print_architecture_cmd},
 106      {"print_installation_architecture", 0, (opkg_cmd_fun_t)opkg_print_architecture_cmd},
 107      {"depends", 1, (opkg_cmd_fun_t)opkg_depends_cmd},
 108      {"whatdepends", 1, (opkg_cmd_fun_t)opkg_whatdepends_cmd},
 109      {"whatdependsrec", 1, (opkg_cmd_fun_t)opkg_whatdepends_recursively_cmd},
 110      {"whatrecommends", 1, (opkg_cmd_fun_t)opkg_whatrecommends_cmd},
 111      {"whatsuggests", 1, (opkg_cmd_fun_t)opkg_whatsuggests_cmd},
 112      {"whatprovides", 1, (opkg_cmd_fun_t)opkg_whatprovides_cmd},
 113      {"whatreplaces", 1, (opkg_cmd_fun_t)opkg_whatreplaces_cmd},
 114      {"whatconflicts", 1, (opkg_cmd_fun_t)opkg_whatconflicts_cmd},
 115 };
 116
 117 int opkg_state_changed;
 118 static void write_status_files_if_changed(opkg_conf_t *conf)
 119 {
 120      if (opkg_state_changed && !conf->noaction) {
 121           opkg_message(conf, OPKG_INFO,
 122                        "  writing status file\n");
 123           opkg_conf_write_status_files(conf);
 124           pkg_write_changed_filelists(conf);
 125      } else {
 126           opkg_message(conf, OPKG_NOTICE, "Nothing to be done\n");
 127      }
 128 }
 129
 130
 131 static int num_cmds = sizeof(cmds) / sizeof(opkg_cmd_t);
 132
 133 opkg_cmd_t *opkg_cmd_find(const char *name)
 134 {
 135      int i;
 136      opkg_cmd_t *cmd;
 137
 138      for (i=0; i < num_cmds; i++) {
 139           cmd = &cmds[i];
 140           if (strcmp(name, cmd->name) == 0) {
 141                return cmd;
 142           }
 143      }
 144
 145      return NULL;
 146 }
 147
 148 #ifdef OPKG_LIB
 149 int opkg_cmd_exec(opkg_cmd_t *cmd, opkg_conf_t *conf, int argc, const char **argv, void *userdata)
 150 {
 151         int result;
 152         p_userdata = userdata;
 153
 154
 155         result = (cmd->fun)(conf, argc, argv);
 156
 157         if ( result != 0 ) {
 158            opkg_message(conf, OPKG_NOTICE, "An error ocurred, return value: %d.\n", result);
 159         }
 160
 161         if ( error_list ) {
 162            reverse_error_list(&error_list);
 163
 164            opkg_message(conf, OPKG_NOTICE, "Collected errors:\n");
 165            /* Here we print the errors collected and free the list */
 166            while (error_list != NULL) {
 167                  opkg_message(conf, OPKG_NOTICE, "%s",error_list->errmsg);
 168                  error_list = error_list->next;
 169
 170            }
 171            free_error_list(&error_list);
 172
 173         }
 174
 175         p_userdata = NULL;
 176         return result;
 177 }
 178 #else
 179 int opkg_cmd_exec(opkg_cmd_t *cmd, opkg_conf_t *conf, int argc, const char **argv)
 180 {
 181      return (cmd->fun)(conf, argc, argv);
 182 }
 183 #endif
 184
 185 static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv)
 186 {
 187      char *tmp;
 188      int err;
 189      int failures;
 190      char *lists_dir;
 191      pkg_src_list_elt_t *iter;
 192      pkg_src_t *src;
 193
 194
 195     sprintf_alloc(&lists_dir, "%s", conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir);
 196
 197     if (! file_is_dir(lists_dir)) {
 198           if (file_exists(lists_dir)) {
 199                opkg_message(conf, OPKG_ERROR,
 200                             "%s: ERROR: %s exists, but is not a directory\n",
 201                             __FUNCTION__, lists_dir);
 202                free(lists_dir);
 203                return EINVAL;
 204           }
 205           err = file_mkdir_hier(lists_dir, 0755);
 206           if (err) {
 207                opkg_message(conf, OPKG_ERROR,
 208                             "%s: ERROR: failed to make directory %s: %s\n",
 209                             __FUNCTION__, lists_dir, strerror(errno));
 210                free(lists_dir);
 211                return EINVAL;
 212           }
 213      }
 214
 215      failures = 0;
 216
 217
 218      tmp = strdup ("/tmp/opkg.XXXXXX");
 219
 220      if (mkdtemp (tmp) == NULL) {
 221          perror ("mkdtemp");
 222          failures++;
 223      }
 224
 225
 226      for (iter = conf->pkg_src_list.head; iter; iter = iter->next) {
 227           char *url, *list_file_name;
 228
 229           src = iter->data;
 230
 231           if (src->extra_data)  /* debian style? */
 232               sprintf_alloc(&url, "%s/%s/%s", src->value, src->extra_data,
 233                             src->gzip ? "Packages.gz" : "Packages");
 234           else
 235               sprintf_alloc(&url, "%s/%s", src->value, src->gzip ? "Packages.gz" : "Packages");
 236
 237           sprintf_alloc(&list_file_name, "%s/%s", lists_dir, src->name);
 238           if (src->gzip) {
 239               char *tmp_file_name;
 240               FILE *in, *out;
 241
 242               sprintf_alloc (&tmp_file_name, "%s/%s.gz", tmp, src->name);
 243               err = opkg_download(conf, url, tmp_file_name);
 244               if (err == 0) {
 245                    opkg_message (conf, OPKG_NOTICE, "Inflating %s\n", url);
 246                    in = fopen (tmp_file_name, "r");
 247                    out = fopen (list_file_name, "w");
 248                    if (in && out)
 249                         unzip (in, out);
 250                    else
 251                         err = 1;
 252                    if (in)
 253                         fclose (in);
 254                    if (out)
 255                         fclose (out);
 256                    unlink (tmp_file_name);
 257               }
 258           } else
 259               err = opkg_download(conf, url, list_file_name);
 260           if (err) {
 261                failures++;
 262           } else {
 263                opkg_message(conf, OPKG_NOTICE,
 264                             "Updated list of available packages in %s\n",
 265                             list_file_name);
 266           }
 267           free(url);
 268
 269           /* download detached signitures to verify the package lists */
 270           /* get the url for the sig file */
 271           if (src->extra_data)  /* debian style? */
 272               sprintf_alloc(&url, "%s/%s/%s", src->value, src->extra_data,
 273                             "Packages.sig");
 274           else
 275               sprintf_alloc(&url, "%s/%s", src->value, "Packages.sig");
 276
 277           /* create temporary file for it */
 278           char *tmp_file_name;
 279
 280           sprintf_alloc (&tmp_file_name, "%s/%s", tmp, "Packages.sig");
 281
 282           err = opkg_download(conf, url, tmp_file_name);
 283           if (err) {
 284             failures++;
 285                 opkg_message (conf, OPKG_NOTICE, "Signature check failed\n");
 286           } else {
 287             int err;
 288             err = opkg_verify_file (list_file_name, tmp_file_name);
 289             if (err == 0)
 290                 opkg_message (conf, OPKG_NOTICE, "Signature check passed\n");
 291             else
 292                 opkg_message (conf, OPKG_NOTICE, "Signature check failed\n");
 293           }
 294           unlink (tmp_file_name);
 295           free (tmp_file_name);
 296
 297           free (url);
 298           free(list_file_name);
 299      }
 300      rmdir (tmp);
 301      free (tmp);
 302      free(lists_dir);
 303
 304 #ifdef CONFIG_CLEAR_SW_INSTALL_FLAG
 305 #warning here
 306      /* clear SW_INSTALL on any package where state is SS_NOT_INSTALLED.
 307       * this is a hack to work around poor bookkeeping in old opkg upgrade code
 308       * -Jamey 3/1/03
 309       */
 310      {
 311           int i;
 312           int changed = 0;
 313           pkg_vec_t *available = pkg_vec_alloc();
 314           pkg_hash_fetch_available(&conf->pkg_hash, available);
 315           opkg_message(conf, OPKG_DEBUG, "Clearing SW_INSTALL for SS_NOT_INSTALLED packages.\n");
 316           for (i = 0; i < available->len; i++) {
 317                pkg_t *pkg = available->pkgs[i];
 318                if (pkg->state_want == SW_INSTALL && pkg->state_status == SS_NOT_INSTALLED) {
 319                     opkg_message(conf, OPKG_DEBUG, "Clearing SW_INSTALL on package %s.\n", pkg->name);
 320                     pkg->state_want = SW_UNKNOWN;
 321                     changed = 1;
 322                }
 323           }
 324           pkg_vec_free(available);
 325           if (changed) {
 326                write_status_files_if_changed(conf);
 327           }
 328      }
 329 #endif
 330
 331      return failures;
 332 }
 333
 334
 335 /* scan the args passed and cache the local filenames of the packages */
 336 int opkg_multiple_files_scan(opkg_conf_t *conf, int argc, char **argv)
 337 {
 338      int i;
 339      int err;
 340
 341      /*
 342       * First scan through package names/urls
 343       * For any urls, download the packages and install in database.
 344       * For any files, install package info in database.
 345       */
 346      for (i = 0; i < argc; i ++) {
 347           char *filename = argv [i];
 348           //char *tmp = basename (tmp);
 349           //int tmplen = strlen (tmp);
 350
 351           //if (strcmp (tmp + (tmplen - strlen (OPKG_PKG_EXTENSION)), OPKG_PKG_EXTENSION) != 0)
 352           //     continue;
 353           //if (strcmp (tmp + (tmplen - strlen (DPKG_PKG_EXTENSION)), DPKG_PKG_EXTENSION) != 0)
 354           //     continue;
 355
 356           opkg_message(conf, OPKG_DEBUG2, "Debug mfs: %s  \n",filename );
 357
 358           err = opkg_prepare_url_for_install(conf, filename, &argv[i]);
 359           if (err)
 360             return err;
 361      }
 362      return 0;
 363 }
 364
 365 struct opkg_intercept
 366 {
 367     char *oldpath;
 368     char *statedir;
 369 };
 370
 371 typedef struct opkg_intercept *opkg_intercept_t;
 372
 373 opkg_intercept_t opkg_prep_intercepts(opkg_conf_t *conf)
 374 {
 375     opkg_intercept_t ctx;
 376     char *newpath;
 377     int gen;
 378
 379     ctx = malloc (sizeof (*ctx));
 380     ctx->oldpath = strdup (getenv ("PATH"));
 381
 382     sprintf_alloc (&newpath, "%s/opkg/intercept:%s", DATADIR, ctx->oldpath);
 383     setenv ("PATH", newpath, 1);
 384     free (newpath);
 385
 386     gen = 0;
 387  retry:
 388     sprintf_alloc (&ctx->statedir, "/tmp/opkg-intercept-%d-%d", getpid (), gen);
 389     if (mkdir (ctx->statedir, 0770) < 0) {
 390         if (errno == EEXIST) {
 391             free (ctx->statedir);
 392             gen++;
 393             goto retry;
 394         }
 395         perror (ctx->statedir);
 396         return NULL;
 397     }
 398     setenv ("OPKG_INTERCEPT_DIR", ctx->statedir, 1);
 399     return ctx;
 400 }
 401
 402 int opkg_finalize_intercepts(opkg_intercept_t ctx)
 403 {
 404     char *cmd;
 405     DIR *dir;
 406     int err = 0;
 407
 408     setenv ("PATH", ctx->oldpath, 1);
 409     free (ctx->oldpath);
 410
 411     dir = opendir (ctx->statedir);
 412     if (dir) {
 413         struct dirent *de;
 414         while (de = readdir (dir), de != NULL) {
 415             char *path;
 416
 417             if (de->d_name[0] == '.')
 418                 continue;
 419
 420             sprintf_alloc (&path, "%s/%s", ctx->statedir, de->d_name);
 421             if (access (path, X_OK) == 0) {
 422                 if (system (path)) {
 423                     err = errno;
 424                     perror (de->d_name);
 425                 }
 426             }
 427             free (path);
 428         }
 429     } else
 430         perror (ctx->statedir);
 431
 432     sprintf_alloc (&cmd, "rm -rf %s", ctx->statedir);
 433     system (cmd);
 434     free (cmd);
 435
 436     free (ctx->statedir);
 437     free (ctx);
 438
 439     return err;
 440 }
 441
 442 int opkg_configure_packages(opkg_conf_t *conf, char *pkg_name)
 443 {
 444      pkg_vec_t *all;
 445      int i;
 446      pkg_t *pkg;
 447      opkg_intercept_t ic;
 448      int r, err = 0;
 449
 450      opkg_message(conf, OPKG_INFO,
 451                   "Configuring unpacked packages\n");
 452      fflush( stdout );
 453
 454      all = pkg_vec_alloc();
 455      pkg_hash_fetch_available(&conf->pkg_hash, all);
 456
 457      ic = opkg_prep_intercepts (conf);
 458
 459      for(i = 0; i < all->len; i++) {
 460           pkg = all->pkgs[i];
 461
 462           if (pkg_name && fnmatch(pkg_name, pkg->name, 0))
 463                continue;
 464
 465           if (pkg->state_status == SS_UNPACKED) {
 466                opkg_message(conf, OPKG_NOTICE,
 467                             "Configuring %s\n", pkg->name);
 468                fflush( stdout );
 469                r = opkg_configure(conf, pkg);
 470                if (r == 0) {
 471                     pkg->state_status = SS_INSTALLED;
 472                     pkg->parent->state_status = SS_INSTALLED;
 473                     pkg->state_flag &= ~SF_PREFER;
 474                } else {
 475                     if (!err)
 476                         err = r;
 477                }
 478           }
 479      }
 480
 481      r = opkg_finalize_intercepts (ic);
 482      if (r && !err)
 483          err = r;
 484
 485      pkg_vec_free(all);
 486      return err;
 487 }
 488
 489 static opkg_conf_t *global_conf;
 490
 491 static void sigint_handler(int sig)
 492 {
 493      signal(sig, SIG_DFL);
 494      opkg_message(NULL, OPKG_NOTICE,
 495                   "opkg: interrupted. writing out status database\n");
 496      write_status_files_if_changed(global_conf);
 497      exit(128 + sig);
 498 }
 499
 500 static int opkg_install_cmd(opkg_conf_t *conf, int argc, char **argv)
 501 {
 502      int i;
 503      char *arg;
 504      int err=0;
 505
 506      global_conf = conf;
 507      signal(SIGINT, sigint_handler);
 508
 509      /*
 510       * Now scan through package names and install
 511       */
 512      for (i=0; i < argc; i++) {
 513           arg = argv[i];
 514
 515           opkg_message(conf, OPKG_DEBUG2, "Debug install_cmd: %s  \n",arg );
 516           err = opkg_prepare_url_for_install(conf, arg, &argv[i]);
 517           if (err != EINVAL && err != 0)
 518               return err;
 519      }
 520      pkg_info_preinstall_check(conf);
 521
 522      for (i=0; i < argc; i++) {
 523           arg = argv[i];
 524           if (conf->multiple_providers)
 525                err = opkg_install_multi_by_name(conf, arg);
 526           else{
 527                err = opkg_install_by_name(conf, arg);
 528           }
 529           if (err == OPKG_PKG_HAS_NO_CANDIDATE) {
 530                opkg_message(conf, OPKG_ERROR,
 531                             "Cannot find package %s.\n"
 532                             "Check the spelling or perhaps run 'opkg update'\n",
 533                             arg);
 534           }
 535      }
 536
 537      /* recheck to verify that all dependences are satisfied */
 538      if (0) opkg_satisfy_all_dependences(conf);
 539
 540      opkg_configure_packages(conf, NULL);
 541
 542      write_status_files_if_changed(conf);
 543
 544      return err;
 545 }
 546
 547 static int opkg_upgrade_cmd(opkg_conf_t *conf, int argc, char **argv)
 548 {
 549      int i;
 550      pkg_t *pkg;
 551      int err;
 552
 553      global_conf = conf;
 554      signal(SIGINT, sigint_handler);
 555
 556      if (argc) {
 557           for (i=0; i < argc; i++) {
 558                char *arg = argv[i];
 559
 560                err = opkg_prepare_url_for_install(conf, arg, &arg);
 561                if (err != EINVAL && err != 0)
 562                    return err;
 563           }
 564           pkg_info_preinstall_check(conf);
 565
 566           for (i=0; i < argc; i++) {
 567                char *arg = argv[i];
 568                if (conf->restrict_to_default_dest) {
 569                     pkg = pkg_hash_fetch_installed_by_name_dest(&conf->pkg_hash,
 570                                                                 argv[i],
 571                                                                 conf->default_dest);
 572                     if (pkg == NULL) {
 573                          opkg_message(conf, OPKG_NOTICE,
 574                                       "Package %s not installed in %s\n",
 575                                       argv[i], conf->default_dest->name);
 576                          continue;
 577                     }
 578                } else {
 579                     pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash,
 580                                                            argv[i]);
 581                }
 582                if (pkg)
 583                     opkg_upgrade_pkg(conf, pkg);
 584                else {
 585                     opkg_install_by_name(conf, arg);
 586                }
 587           }
 588      } else {
 589           pkg_vec_t *installed = pkg_vec_alloc();
 590
 591           pkg_info_preinstall_check(conf);
 592
 593           pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
 594           for (i = 0; i < installed->len; i++) {
 595                pkg = installed->pkgs[i];
 596                opkg_upgrade_pkg(conf, pkg);
 597           }
 598           pkg_vec_free(installed);
 599      }
 600
 601      /* recheck to verify that all dependences are satisfied */
 602      if (0) opkg_satisfy_all_dependences(conf);
 603
 604      opkg_configure_packages(conf, NULL);
 605
 606      write_status_files_if_changed(conf);
 607
 608      return 0;
 609 }
 610
 611 static int opkg_download_cmd(opkg_conf_t *conf, int argc, char **argv)
 612 {
 613      int i, err;
 614      char *arg;
 615      pkg_t *pkg;
 616
 617      pkg_info_preinstall_check(conf);
 618      for (i = 0; i < argc; i++) {
 619           arg = argv[i];
 620
 621           pkg = pkg_hash_fetch_best_installation_candidate_by_name(conf, arg);
 622           if (pkg == NULL) {
 623                opkg_message(conf, OPKG_ERROR,
 624                             "Cannot find package %s.\n"
 625                             "Check the spelling or perhaps run 'opkg update'\n",
 626                             arg);
 627                continue;
 628           }
 629
 630           err = opkg_download_pkg(conf, pkg, ".");
 631
 632           if (err) {
 633                opkg_message(conf, OPKG_ERROR,
 634                             "Failed to download %s\n", pkg->name);
 635           } else {
 636                opkg_message(conf, OPKG_NOTICE,
 637                             "Downloaded %s as %s\n",
 638                             pkg->name, pkg->local_filename);
 639           }
 640      }
 641
 642      return 0;
 643 }
 644
 645
 646 static int opkg_list_cmd(opkg_conf_t *conf, int argc, char **argv)
 647 {
 648      int i ;
 649      pkg_vec_t *available;
 650      pkg_t *pkg;
 651      char desc_short[OPKG_LIST_DESCRIPTION_LENGTH];
 652      char *newline;
 653      char *pkg_name = NULL;
 654      char *version_str;
 655
 656      if (argc > 0) {
 657           pkg_name = argv[0];
 658      }
 659      available = pkg_vec_alloc();
 660      pkg_hash_fetch_available(&conf->pkg_hash, available);
 661      for (i=0; i < available->len; i++) {
 662           pkg = available->pkgs[i];
 663           /* if we have package name or pattern and pkg does not match, then skip it */
 664           if (pkg_name && fnmatch(pkg_name, pkg->name, 0))
 665                continue;
 666           if (pkg->description) {
 667                strncpy(desc_short, pkg->description, OPKG_LIST_DESCRIPTION_LENGTH);
 668           } else {
 669                desc_short[0] = '\0';
 670           }
 671           desc_short[OPKG_LIST_DESCRIPTION_LENGTH - 1] = '\0';
 672           newline = strchr(desc_short, '\n');
 673           if (newline) {
 674                *newline = '\0';
 675           }
 676 #ifndef OPKG_LIB
 677           printf("%s - %s\n", pkg->name, desc_short);
 678 #else
 679           if (opkg_cb_list) {
 680                 version_str = pkg_version_str_alloc(pkg);
 681                 opkg_cb_list(pkg->name,desc_short,
 682                                              version_str,
 683                                          pkg->state_status,
 684                                          p_userdata);
 685                 free(version_str);
 686           }
 687 #endif
 688      }
 689      pkg_vec_free(available);
 690
 691      return 0;
 692 }
 693
 694
 695 static int opkg_list_installed_cmd(opkg_conf_t *conf, int argc, char **argv)
 696 {
 697      int i ;
 698      pkg_vec_t *available;
 699      pkg_t *pkg;
 700      char desc_short[OPKG_LIST_DESCRIPTION_LENGTH];
 701      char *newline;
 702      char *pkg_name = NULL;
 703      char *version_str;
 704
 705      if (argc > 0) {
 706           pkg_name = argv[0];
 707      }
 708      available = pkg_vec_alloc();
 709      pkg_hash_fetch_all_installed(&conf->pkg_hash, available);
 710      for (i=0; i < available->len; i++) {
 711           pkg = available->pkgs[i];
 712           /* if we have package name or pattern and pkg does not match, then skip it */
 713           if (pkg_name && fnmatch(pkg_name, pkg->name, 0))
 714                continue;
 715           if (pkg->description) {
 716                strncpy(desc_short, pkg->description, OPKG_LIST_DESCRIPTION_LENGTH);
 717           } else {
 718                desc_short[0] = '\0';
 719           }
 720           desc_short[OPKG_LIST_DESCRIPTION_LENGTH - 1] = '\0';
 721           newline = strchr(desc_short, '\n');
 722           if (newline) {
 723                *newline = '\0';
 724           }
 725 #ifndef OPKG_LIB
 726           printf("%s - %s\n", pkg->name, desc_short);
 727 #else
 728           if (opkg_cb_list) {
 729                 version_str = pkg_version_str_alloc(pkg);
 730                 opkg_cb_list(pkg->name,desc_short,
 731                                              version_str,
 732                                          pkg->state_status,
 733                                          p_userdata);
 734                 free(version_str);
 735           }
 736 #endif
 737      }
 738
 739      return 0;
 740 }
 741
 742 static int opkg_info_status_cmd(opkg_conf_t *conf, int argc, char **argv, int installed_only)
 743 {
 744      int i;
 745      pkg_vec_t *available;
 746      pkg_t *pkg;
 747      char *pkg_name = NULL;
 748      char **pkg_fields = NULL;
 749      int n_fields = 0;
 750      char *buff ; // = (char *)malloc(1);
 751
 752      if (argc > 0) {
 753           pkg_name = argv[0];
 754      }
 755      if (argc > 1) {
 756           pkg_fields = &argv[1];
 757           n_fields = argc - 1;
 758      }
 759
 760      available = pkg_vec_alloc();
 761      if (installed_only)
 762           pkg_hash_fetch_all_installed(&conf->pkg_hash, available);
 763      else
 764           pkg_hash_fetch_available(&conf->pkg_hash, available);
 765      for (i=0; i < available->len; i++) {
 766           pkg = available->pkgs[i];
 767           if (pkg_name && fnmatch(pkg_name, pkg->name, 0)) {
 768                continue;
 769           }
 770 #ifndef OPKG_LIB
 771           if (n_fields) {
 772                for (j = 0; j < n_fields; j++)
 773                     pkg_print_field(pkg, stdout, pkg_fields[j]);
 774           } else {
 775                pkg_print_info(pkg, stdout);
 776           }
 777 #else
 778
 779           buff = pkg_formatted_info(pkg);
 780           if ( buff ) {
 781                if (opkg_cb_status) opkg_cb_status(pkg->name,
 782                                                   pkg->state_status,
 783                                                   buff,
 784                                                   p_userdata);
 785 /*
 786    We should not forget that actually the pointer is allocated.
 787    We need to free it :)  ( Thanks florian for seeing the error )
 788 */
 789                free(buff);
 790           }
 791 #endif
 792           if (conf->verbosity > 1) {
 793                conffile_list_elt_t *iter;
 794                for (iter = pkg->conffiles.head; iter; iter = iter->next) {
 795                     conffile_t *cf = iter->data;
 796                     int modified = conffile_has_been_modified(conf, cf);
 797                     opkg_message(conf, OPKG_NOTICE, "conffile=%s md5sum=%s modified=%d\n",
 798                                  cf->name, cf->value, modified);
 799                }
 800           }
 801      }
 802 #ifndef OPKG_LIB
 803      if (buff)
 804           free(buff);
 805 #endif
 806      pkg_vec_free(available);
 807
 808      return 0;
 809 }
 810
 811 static int opkg_info_cmd(opkg_conf_t *conf, int argc, char **argv)
 812 {
 813      return opkg_info_status_cmd(conf, argc, argv, 0);
 814 }
 815
 816 static int opkg_status_cmd(opkg_conf_t *conf, int argc, char **argv)
 817 {
 818      return opkg_info_status_cmd(conf, argc, argv, 1);
 819 }
 820
 821 static int opkg_configure_cmd(opkg_conf_t *conf, int argc, char **argv)
 822 {
 823
 824      int err;
 825      if (argc > 0) {
 826           char *pkg_name = NULL;
 827
 828           pkg_name = argv[0];
 829
 830           err = opkg_configure_packages (conf, pkg_name);
 831
 832      } else {
 833           err = opkg_configure_packages (conf, NULL);
 834      }
 835
 836      write_status_files_if_changed(conf);
 837
 838      return err;
 839 }
 840
 841 static int opkg_install_pending_cmd(opkg_conf_t *conf, int argc, char **argv)
 842 {
 843      int i, err;
 844      char *globpattern;
 845      glob_t globbuf;
 846
 847      sprintf_alloc(&globpattern, "%s/*" OPKG_PKG_EXTENSION, conf->pending_dir);
 848      err = glob(globpattern, 0, NULL, &globbuf);
 849      free(globpattern);
 850      if (err) {
 851           return 0;
 852      }
 853
 854      opkg_message(conf, OPKG_NOTICE,
 855                   "The following packages in %s will now be installed.\n",
 856                   conf->pending_dir);
 857      for (i = 0; i < globbuf.gl_pathc; i++) {
 858           opkg_message(conf, OPKG_NOTICE,
 859                        "%s%s", i == 0 ? "" : " ", globbuf.gl_pathv[i]);
 860      }
 861      opkg_message(conf, OPKG_NOTICE, "\n");
 862      for (i = 0; i < globbuf.gl_pathc; i++) {
 863           err = opkg_install_from_file(conf, globbuf.gl_pathv[i]);
 864           if (err == 0) {
 865                err = unlink(globbuf.gl_pathv[i]);
 866                if (err) {
 867                     opkg_message(conf, OPKG_ERROR,
 868                                  "%s: ERROR: failed to unlink %s: %s\n",
 869                                  __FUNCTION__, globbuf.gl_pathv[i], strerror(err));
 870                     return err;
 871                }
 872           }
 873      }
 874      globfree(&globbuf);
 875
 876      return err;
 877 }
 878
 879 static int opkg_remove_cmd(opkg_conf_t *conf, int argc, char **argv)
 880 {
 881      int i,a,done;
 882      pkg_t *pkg;
 883      pkg_t *pkg_to_remove;
 884      pkg_vec_t *available;
 885      char *pkg_name = NULL;
 886      global_conf = conf;
 887      signal(SIGINT, sigint_handler);
 888
 889 // ENH: Add the "no pkg removed" just in case.
 890
 891     done = 0;
 892
 893      available = pkg_vec_alloc();
 894      pkg_info_preinstall_check(conf);
 895      if ( argc > 0 ) {
 896         pkg_hash_fetch_all_installed(&conf->pkg_hash, available);
 897         for (i=0; i < argc; i++) {
 898            pkg_name = malloc(strlen(argv[i])+2);
 899            strcpy(pkg_name,argv[i]);
 900            for (a=0; a < available->len; a++) {
 901                pkg = available->pkgs[a];
 902                if (pkg_name && fnmatch(pkg_name, pkg->name, 0)) {
 903                   continue;
 904                }
 905                if (conf->restrict_to_default_dest) {
 906                     pkg_to_remove = pkg_hash_fetch_installed_by_name_dest(&conf->pkg_hash,
 907                                                                 pkg->name,
 908                                                                 conf->default_dest);
 909                } else {
 910                     pkg_to_remove = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name );
 911                }
 912
 913                if (pkg == NULL) {
 914                     opkg_message(conf, OPKG_ERROR, "Package %s is not installed.\n", pkg->name);
 915                     continue;
 916                }
 917                if (pkg->state_status == SS_NOT_INSTALLED) {    // Added the control, so every already removed package could be skipped
 918                     opkg_message(conf, OPKG_ERROR, "Package seems to be %s not installed (STATUS = NOT_INSTALLED).\n", pkg->name);
 919                     continue;
 920                }
 921                opkg_remove_pkg(conf, pkg_to_remove,0);
 922                done = 1;
 923            }
 924            free (pkg_name);
 925         }
 926         pkg_vec_free(available);
 927      } else {
 928           pkg_vec_t *installed_pkgs = pkg_vec_alloc();
 929           int i;
 930           int flagged_pkg_count = 0;
 931           int removed;
 932
 933           pkg_hash_fetch_all_installed(&conf->pkg_hash, installed_pkgs);
 934
 935           for (i = 0; i < installed_pkgs->len; i++) {
 936                pkg_t *pkg = installed_pkgs->pkgs[i];
 937                if (pkg->state_flag & SF_USER) {
 938                     flagged_pkg_count++;
 939                } else {
 940                     if (!pkg_has_installed_dependents(conf, pkg->parent, pkg, NULL))
 941                          opkg_message(conf, OPKG_NOTICE, "Non-user leaf package: %s\n", pkg->name);
 942                }
 943           }
 944           if (!flagged_pkg_count) {
 945                opkg_message(conf, OPKG_NOTICE, "No packages flagged as installed by user, \n"
 946                             "so refusing to uninstall unflagged non-leaf packages\n");
 947                return 0;
 948           }
 949
 950           /* find packages not flagged SF_USER (i.e., installed to
 951            * satisfy a dependence) and not having any dependents, and
 952            * remove them */
 953           do {
 954                removed = 0;
 955                for (i = 0; i < installed_pkgs->len; i++) {
 956                     pkg_t *pkg = installed_pkgs->pkgs[i];
 957                     if (!(pkg->state_flag & SF_USER)
 958                         && !pkg_has_installed_dependents(conf, pkg->parent, pkg, NULL)) {
 959                          removed++;
 960                          opkg_message(conf, OPKG_NOTICE, "Removing non-user leaf package %s\n");
 961                          opkg_remove_pkg(conf, pkg,0);
 962                          done = 1;
 963                     }
 964                }
 965           } while (removed);
 966           pkg_vec_free(installed_pkgs);
 967      }
 968
 969      if ( done == 0 )
 970         opkg_message(conf, OPKG_NOTICE, "No packages removed.\n");
 971
 972      write_status_files_if_changed(conf);
 973      return 0;
 974 }
 975
 976 static int opkg_purge_cmd(opkg_conf_t *conf, int argc, char **argv)
 977 {
 978      int i;
 979      pkg_t *pkg;
 980
 981      global_conf = conf;
 982      signal(SIGINT, sigint_handler);
 983
 984      pkg_info_preinstall_check(conf);
 985
 986      for (i=0; i < argc; i++) {
 987           if (conf->restrict_to_default_dest) {
 988                pkg = pkg_hash_fetch_installed_by_name_dest(&conf->pkg_hash,
 989                                                            argv[i],
 990                                                            conf->default_dest);
 991           } else {
 992                pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, argv[i]);
 993           }
 994
 995           if (pkg == NULL) {
 996                opkg_message(conf, OPKG_ERROR,
 997                             "Package %s is not installed.\n", argv[i]);
 998                continue;
 999           }
1000           opkg_purge_pkg(conf, pkg);
1001      }
1002
1003      write_status_files_if_changed(conf);
1004      return 0;
1005 }
1006
1007 static int opkg_flag_cmd(opkg_conf_t *conf, int argc, char **argv)
1008 {
1009      int i;
1010      pkg_t *pkg;
1011      const char *flags = argv[0];
1012
1013      global_conf = conf;
1014      signal(SIGINT, sigint_handler);
1015
1016      for (i=1; i < argc; i++) {
1017           if (conf->restrict_to_default_dest) {
1018                pkg = pkg_hash_fetch_installed_by_name_dest(&conf->pkg_hash,
1019                                                            argv[i],
1020                                                            conf->default_dest);
1021           } else {
1022                pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, argv[i]);
1023           }
1024
1025           if (pkg == NULL) {
1026                opkg_message(conf, OPKG_ERROR,
1027                             "Package %s is not installed.\n", argv[i]);
1028                continue;
1029           }
1030           if (( strcmp(flags,"hold")==0)||( strcmp(flags,"noprune")==0)||
1031               ( strcmp(flags,"user")==0)||( strcmp(flags,"ok")==0)) {
1032               pkg->state_flag = pkg_state_flag_from_str(flags);
1033           }
1034 /* pb_ asked this feature 03292004 */
1035 /* Actually I will use only this two, but this is an open for various status */
1036           if (( strcmp(flags,"installed")==0)||( strcmp(flags,"unpacked")==0)){
1037               pkg->state_status = pkg_state_status_from_str(flags);
1038           }
1039           opkg_state_changed++;
1040           opkg_message(conf, OPKG_NOTICE,
1041                        "Setting flags for package %s to %s\n",
1042                        pkg->name, flags);
1043      }
1044
1045      write_status_files_if_changed(conf);
1046      return 0;
1047 }
1048
1049 static int opkg_files_cmd(opkg_conf_t *conf, int argc, char **argv)
1050 {
1051      pkg_t *pkg;
1052      str_list_t *installed_files;
1053      str_list_elt_t *iter;
1054      char *pkg_version;
1055      size_t buff_len = 8192;
1056      size_t used_len;
1057      char *buff ;
1058
1059      buff = (char *)malloc(buff_len);
1060      if ( buff == NULL ) {
1061         fprintf( stderr,"%s: Unable to allocate memory \n",__FUNCTION__);
1062         return ENOMEM;
1063      }
1064
1065      if (argc < 1) {
1066           return EINVAL;
1067      }
1068
1069      pkg = pkg_hash_fetch_installed_by_name(&conf->pkg_hash,
1070                                             argv[0]);
1071      if (pkg == NULL) {
1072           opkg_message(conf, OPKG_ERROR,
1073                        "Package %s not installed.\n", argv[0]);
1074           return 0;
1075      }
1076
1077      installed_files = pkg_get_installed_files(pkg);
1078      pkg_version = pkg_version_str_alloc(pkg);
1079
1080 #ifndef OPKG_LIB
1081      printf("Package %s (%s) is installed on %s and has the following files:\n",
1082             pkg->name, pkg_version, pkg->dest->name);
1083      for (iter = installed_files->head; iter; iter = iter->next) {
1084           puts(iter->data);
1085      }
1086 #else
1087      if (buff) {
1088      try_again:
1089           used_len = snprintf(buff, buff_len, "Package %s (%s) is installed on %s and has the following files:\n",
1090                               pkg->name, pkg_version, pkg->dest->name) + 1;
1091           if (used_len > buff_len) {
1092                buff_len *= 2;
1093                buff = realloc (buff, buff_len);
1094                goto try_again;
1095           }
1096           for (iter = installed_files->head; iter; iter = iter->next) {
1097                used_len += strlen (iter->data) + 1;
1098                while (buff_len <= used_len) {
1099                     buff_len *= 2;
1100                     buff = realloc (buff, buff_len);
1101                }
1102                strncat(buff, iter->data, buff_len);
1103                strncat(buff, "\n", buff_len);
1104           }
1105           if (opkg_cb_list) opkg_cb_list(pkg->name,
1106                                          buff,
1107                                          pkg_version_str_alloc(pkg),
1108                                          pkg->state_status,
1109                                          p_userdata);
1110           free(buff);
1111      }
1112 #endif
1113
1114      free(pkg_version);
1115      pkg_free_installed_files(pkg);
1116
1117      return 0;
1118 }
1119
1120 static int opkg_depends_cmd(opkg_conf_t *conf, int argc, char **argv)
1121 {
1122
1123      if (argc > 0) {
1124           pkg_vec_t *available_pkgs = pkg_vec_alloc();
1125           const char *rel_str = "depends on";
1126           int i;
1127
1128           pkg_info_preinstall_check(conf);
1129
1130           if (conf->query_all)
1131                pkg_hash_fetch_available(&conf->pkg_hash, available_pkgs);
1132           else
1133                pkg_hash_fetch_all_installed(&conf->pkg_hash, available_pkgs);
1134           for (i = 0; i < argc; i++) {
1135                const char *target = argv[i];
1136                int j;
1137
1138                opkg_message(conf, OPKG_ERROR, "target=%s\n", target);
1139
1140                for (j = 0; j < available_pkgs->len; j++) {
1141                     pkg_t *pkg = available_pkgs->pkgs[j];
1142                     if (fnmatch(target, pkg->name, 0) == 0) {
1143                          int k;
1144                          int count = pkg->depends_count + pkg->pre_depends_count;
1145                          opkg_message(conf, OPKG_ERROR, "What %s (arch=%s) %s\n",
1146                                       target, pkg->architecture, rel_str);
1147                          for (k = 0; k < count; k++) {
1148                               compound_depend_t *cdepend = &pkg->depends[k];
1149                               int l;
1150                               for (l = 0; l < cdepend->possibility_count; l++) {
1151                                    depend_t *possibility = cdepend->possibilities[l];
1152                                    opkg_message(conf, OPKG_ERROR, "    %s", possibility->pkg->name);
1153                                    if (conf->verbosity > 0) {
1154                                         // char *ver = abstract_pkg_version_str_alloc(possibility->pkg);
1155                                         opkg_message(conf, OPKG_NOTICE, " %s", possibility->version);
1156                                         if (possibility->version) {
1157                                              char *typestr = NULL;
1158                                              switch (possibility->constraint) {
1159                                              case NONE: typestr = "none"; break;
1160                                              case EARLIER: typestr = "<"; break;
1161                                              case EARLIER_EQUAL: typestr = "<="; break;
1162                                              case EQUAL: typestr = "="; break;
1163                                              case LATER_EQUAL: typestr = ">="; break;
1164                                              case LATER: typestr = ">"; break;
1165                                              }
1166                                              opkg_message(conf, OPKG_NOTICE, " (%s %s)", typestr, possibility->version);
1167                                         }
1168                                         // free(ver);
1169                                    }
1170                                    opkg_message(conf, OPKG_ERROR, "\n");
1171                               }
1172                          }
1173                     }
1174                }
1175           }
1176           pkg_vec_free(available_pkgs);
1177      }
1178      return 0;
1179 }
1180
1181 enum what_field_type {
1182   WHATDEPENDS,
1183   WHATCONFLICTS,
1184   WHATPROVIDES,
1185   WHATREPLACES,
1186   WHATRECOMMENDS,
1187   WHATSUGGESTS
1188 };
1189
1190 static int opkg_what_depends_conflicts_cmd(opkg_conf_t *conf, enum what_field_type what_field_type, int recursive, int argc, char **argv)
1191 {
1192
1193      if (argc > 0) {
1194           pkg_vec_t *available_pkgs = pkg_vec_alloc();
1195           const char *rel_str = NULL;
1196           int i;
1197           int changed;
1198
1199           switch (what_field_type) {
1200           case WHATDEPENDS: rel_str = "depends on"; break;
1201           case WHATCONFLICTS: rel_str = "conflicts with"; break;
1202           case WHATSUGGESTS: rel_str = "suggests"; break;
1203           case WHATRECOMMENDS: rel_str = "recommends"; break;
1204           case WHATPROVIDES: rel_str = "provides"; break;
1205           case WHATREPLACES: rel_str = "replaces"; break;
1206           }
1207
1208           if (conf->query_all)
1209                pkg_hash_fetch_available(&conf->pkg_hash, available_pkgs);
1210           else
1211                pkg_hash_fetch_all_installed(&conf->pkg_hash, available_pkgs);
1212
1213           /* mark the root set */
1214           pkg_vec_clear_marks(available_pkgs);
1215           opkg_message(conf, OPKG_NOTICE, "Root set:\n");
1216           for (i = 0; i < argc; i++) {
1217                const char *dependee_pattern = argv[i];
1218                pkg_vec_mark_if_matches(available_pkgs, dependee_pattern);
1219           }
1220           for (i = 0; i < available_pkgs->len; i++) {
1221                pkg_t *pkg = available_pkgs->pkgs[i];
1222                if (pkg->state_flag & SF_MARKED) {
1223                     /* mark the parent (abstract) package */
1224                     pkg_mark_provides(pkg);
1225                     opkg_message(conf, OPKG_NOTICE, "  %s\n", pkg->name);
1226                }
1227           }
1228
1229           opkg_message(conf, OPKG_NOTICE, "What %s root set\n", rel_str);
1230           do {
1231                int j;
1232                changed = 0;
1233
1234                for (j = 0; j < available_pkgs->len; j++) {
1235                     pkg_t *pkg = available_pkgs->pkgs[j];
1236                     int k;
1237                     int count = ((what_field_type == WHATCONFLICTS)
1238                                  ? pkg->conflicts_count
1239                                  : pkg->pre_depends_count + pkg->depends_count + pkg->recommends_count + pkg->suggests_count);
1240                     /* skip this package if it is already marked */
1241                     if (pkg->parent->state_flag & SF_MARKED) {
1242                          continue;
1243                     }
1244                     for (k = 0; k < count; k++) {
1245                          compound_depend_t *cdepend =
1246                               (what_field_type == WHATCONFLICTS) ? &pkg->conflicts[k] : &pkg->depends[k];
1247                          int l;
1248                          for (l = 0; l < cdepend->possibility_count; l++) {
1249                               depend_t *possibility = cdepend->possibilities[l];
1250                               if (possibility->pkg->state_flag & SF_MARKED) {
1251                                    /* mark the depending package so we won't visit it again */
1252                                    pkg->state_flag |= SF_MARKED;
1253                                    pkg_mark_provides(pkg);
1254                                    changed++;
1255
1256                                    opkg_message(conf, OPKG_NOTICE, "    %s", pkg->name);
1257                                    if (conf->verbosity > 0) {
1258                                         char *ver = pkg_version_str_alloc(pkg);
1259                                         opkg_message(conf, OPKG_NOTICE, " %s", ver);
1260                                         opkg_message(conf, OPKG_NOTICE, "\t%s %s", rel_str, possibility->pkg->name);
1261                                         if (possibility->version) {
1262                                              char *typestr = NULL;
1263                                              switch (possibility->constraint) {
1264                                              case NONE: typestr = "none"; break;
1265                                              case EARLIER: typestr = "<"; break;
1266                                              case EARLIER_EQUAL: typestr = "<="; break;
1267                                              case EQUAL: typestr = "="; break;
1268                                              case LATER_EQUAL: typestr = ">="; break;
1269                                              case LATER: typestr = ">"; break;
1270                                              }
1271                                              opkg_message(conf, OPKG_NOTICE, " (%s %s)", typestr, possibility->version);
1272                                         }
1273                                         free(ver);
1274                                         if (!pkg_dependence_satisfiable(conf, possibility))
1275                                              opkg_message(conf, OPKG_NOTICE, " unsatisfiable");
1276                                    }
1277                                    opkg_message(conf, OPKG_NOTICE, "\n");
1278                                    goto next_package;
1279                               }
1280                          }
1281                     }
1282                next_package:
1283                     ;
1284                }
1285           } while (changed && recursive);
1286           pkg_vec_free(available_pkgs);
1287      }
1288
1289      return 0;
1290 }
1291
1292 int pkg_mark_provides(pkg_t *pkg)
1293 {
1294      int provides_count = pkg->provides_count;
1295      abstract_pkg_t **provides = pkg->provides;
1296      int i;
1297      pkg->parent->state_flag |= SF_MARKED;
1298      for (i = 0; i < provides_count; i++) {
1299           provides[i]->state_flag |= SF_MARKED;
1300      }
1301      return 0;
1302 }
1303
1304 static int opkg_whatdepends_recursively_cmd(opkg_conf_t *conf, int argc, char **argv)
1305 {
1306      return opkg_what_depends_conflicts_cmd(conf, WHATDEPENDS, 1, argc, argv);
1307 }
1308 static int opkg_whatdepends_cmd(opkg_conf_t *conf, int argc, char **argv)
1309 {
1310      return opkg_what_depends_conflicts_cmd(conf, WHATDEPENDS, 0, argc, argv);
1311 }
1312
1313 static int opkg_whatsuggests_cmd(opkg_conf_t *conf, int argc, char **argv)
1314 {
1315      return opkg_what_depends_conflicts_cmd(conf, WHATSUGGESTS, 0, argc, argv);
1316 }
1317
1318 static int opkg_whatrecommends_cmd(opkg_conf_t *conf, int argc, char **argv)
1319 {
1320      return opkg_what_depends_conflicts_cmd(conf, WHATRECOMMENDS, 0, argc, argv);
1321 }
1322
1323 static int opkg_whatconflicts_cmd(opkg_conf_t *conf, int argc, char **argv)
1324 {
1325      return opkg_what_depends_conflicts_cmd(conf, WHATCONFLICTS, 0, argc, argv);
1326 }
1327
1328 static int opkg_what_provides_replaces_cmd(opkg_conf_t *conf, enum what_field_type what_field_type, int argc, char **argv)
1329 {
1330
1331      if (argc > 0) {
1332           pkg_vec_t *available_pkgs = pkg_vec_alloc();
1333           const char *rel_str = (what_field_type == WHATPROVIDES ? "provides" : "replaces");
1334           int i;
1335
1336           pkg_info_preinstall_check(conf);
1337
1338           if (conf->query_all)
1339                pkg_hash_fetch_available(&conf->pkg_hash, available_pkgs);
1340           else
1341                pkg_hash_fetch_all_installed(&conf->pkg_hash, available_pkgs);
1342           for (i = 0; i < argc; i++) {
1343                const char *target = argv[i];
1344                int j;
1345
1346                opkg_message(conf, OPKG_ERROR, "What %s %s\n",
1347                             rel_str, target);
1348                for (j = 0; j < available_pkgs->len; j++) {
1349                     pkg_t *pkg = available_pkgs->pkgs[j];
1350                     int k;
1351                     int count = (what_field_type == WHATPROVIDES) ? pkg->provides_count : pkg->replaces_count;
1352                     for (k = 0; k < count; k++) {
1353                          abstract_pkg_t *apkg =
1354                               ((what_field_type == WHATPROVIDES)
1355                                ? pkg->provides[k]
1356                                : pkg->replaces[k]);
1357                          if (fnmatch(target, apkg->name, 0) == 0) {
1358                               opkg_message(conf, OPKG_ERROR, "    %s", pkg->name);
1359                               if (strcmp(target, apkg->name) != 0)
1360                                    opkg_message(conf, OPKG_ERROR, "\t%s %s\n", rel_str, apkg->name);
1361                               opkg_message(conf, OPKG_ERROR, "\n");
1362                          }
1363                     }
1364                }
1365           }
1366           pkg_vec_free(available_pkgs);
1367      }
1368      return 0;
1369 }
1370
1371 static int opkg_whatprovides_cmd(opkg_conf_t *conf, int argc, char **argv)
1372 {
1373      return opkg_what_provides_replaces_cmd(conf, WHATPROVIDES, argc, argv);
1374 }
1375
1376 static int opkg_whatreplaces_cmd(opkg_conf_t *conf, int argc, char **argv)
1377 {
1378      return opkg_what_provides_replaces_cmd(conf, WHATREPLACES, argc, argv);
1379 }
1380
1381 static int opkg_search_cmd(opkg_conf_t *conf, int argc, char **argv)
1382 {
1383      int i;
1384
1385      pkg_vec_t *installed;
1386      pkg_t *pkg;
1387      str_list_t *installed_files;
1388      str_list_elt_t *iter;
1389      char *installed_file;
1390
1391      if (argc < 1) {
1392           return EINVAL;
1393      }
1394
1395      installed = pkg_vec_alloc();
1396      pkg_hash_fetch_all_installed(&conf->pkg_hash, installed);
1397
1398      for (i=0; i < installed->len; i++) {
1399           pkg = installed->pkgs[i];
1400
1401           installed_files = pkg_get_installed_files(pkg);
1402
1403           for (iter = installed_files->head; iter; iter = iter->next) {
1404                installed_file = iter->data;
1405                if (fnmatch(argv[0], installed_file, 0)==0)  {
1406 #ifndef OPKG_LIB
1407                     printf("%s: %s\n", pkg->name, installed_file);
1408 #else
1409                         if (opkg_cb_list) opkg_cb_list(pkg->name,
1410                                                        installed_file,
1411                                                        pkg_version_str_alloc(pkg),
1412                                                        pkg->state_status, p_userdata);
1413 #endif
1414                }
1415           }
1416
1417           pkg_free_installed_files(pkg);
1418      }
1419
1420      /* XXX: CLEANUP: It's not obvious from the name of
1421         pkg_hash_fetch_all_installed that we need to call
1422         pkg_vec_free to avoid a memory leak. */
1423      pkg_vec_free(installed);
1424
1425      return 0;
1426 }
1427
1428 static int opkg_compare_versions_cmd(opkg_conf_t *conf, int argc, char **argv)
1429 {
1430      if (argc == 3) {
1431           /* this is a bit gross */
1432           struct pkg p1, p2;
1433           parseVersion(&p1, argv[0]);
1434           parseVersion(&p2, argv[2]);
1435           return pkg_version_satisfied(&p1, &p2, argv[1]);
1436      } else {
1437           opkg_message(conf, OPKG_ERROR,
1438                        "opkg compare_versions <v1> <op> <v2>\n"
1439                        "<op> is one of <= >= << >> =\n");
1440           return -1;
1441      }
1442 }
1443
1444 #ifndef HOST_CPU_STR
1445 #define HOST_CPU_STR__(X) #X
1446 #define HOST_CPU_STR_(X) HOST_CPU_STR__(X)
1447 #define HOST_CPU_STR HOST_CPU_STR_(HOST_CPU_FOO)
1448 #endif
1449
1450 static int opkg_print_architecture_cmd(opkg_conf_t *conf, int argc, char **argv)
1451 {
1452      nv_pair_list_elt_t *l;
1453
1454      l = conf->arch_list.head;
1455      while (l) {
1456           nv_pair_t *nv = l->data;
1457           printf("arch %s %s\n", nv->name, nv->value);
1458           l = l->next;
1459      }
1460      return 0;
1461 }
1462
1463