libopkg/opkg_conf.c

   1 /* opkg_conf.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 #include "includes.h"
  19 #include "opkg_conf.h"
  20 #include "opkg_error.h"
  21
  22 #include "xregex.h"
  23 #include "sprintf_alloc.h"
  24 #include "args.h"
  25 #include "opkg_message.h"
  26 #include "file_util.h"
  27 #include "str_util.h"
  28 #include "xsystem.h"
  29 #include <glob.h>
  30 #include "opkg_defines.h"
  31
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34 #include <fcntl.h>
  35 #include <errno.h>
  36
  37 extern char *conf_file_dir;
  38
  39 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
  40                                 pkg_src_list_t *pkg_src_list,
  41                                 nv_pair_list_t *tmp_dest_nv_pair_list,
  42                                 char **tmp_lists_dir);
  43 static int opkg_conf_set_option(const opkg_option_t *options,
  44                                 const char *name, const char *value);
  45 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
  46                                       const char *default_dest_name);
  47 static int set_and_load_pkg_src_list(opkg_conf_t *conf,
  48                                      pkg_src_list_t *nv_pair_list);
  49 static int set_and_load_pkg_dest_list(opkg_conf_t *conf,
  50                                       nv_pair_list_t *nv_pair_list, char * lists_dir);
  51
  52 int opkg_init_options_array(const opkg_conf_t *conf, opkg_option_t **options)
  53 {
  54      opkg_option_t tmp[] = {
  55           { "cache", OPKG_OPT_TYPE_STRING, &conf->cache},
  56           { "force_defaults", OPKG_OPT_TYPE_BOOL, &conf->force_defaults },
  57           { "force_maintainer", OPKG_OPT_TYPE_BOOL, &conf->force_maintainer },
  58           { "force_depends", OPKG_OPT_TYPE_BOOL, &conf->force_depends },
  59           { "force_overwrite", OPKG_OPT_TYPE_BOOL, &conf->force_overwrite },
  60           { "force_downgrade", OPKG_OPT_TYPE_BOOL, &conf->force_downgrade },
  61           { "force_reinstall", OPKG_OPT_TYPE_BOOL, &conf->force_reinstall },
  62           { "force_space", OPKG_OPT_TYPE_BOOL, &conf->force_space },
  63           { "check_signature", OPKG_OPT_TYPE_INT, &conf->check_signature },
  64           { "ftp_proxy", OPKG_OPT_TYPE_STRING, &conf->ftp_proxy },
  65           { "http_proxy", OPKG_OPT_TYPE_STRING, &conf->http_proxy },
  66           { "no_proxy", OPKG_OPT_TYPE_STRING, &conf->no_proxy },
  67           { "test", OPKG_OPT_TYPE_INT, &conf->noaction },
  68           { "noaction", OPKG_OPT_TYPE_INT, &conf->noaction },
  69           { "nodeps", OPKG_OPT_TYPE_BOOL, &conf->nodeps },
  70           { "offline_root", OPKG_OPT_TYPE_STRING, &conf->offline_root },
  71           { "offline_root_path", OPKG_OPT_TYPE_STRING, &conf->offline_root_path },
  72           { "offline_root_post_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_post_script_cmd },
  73           { "offline_root_pre_script_cmd", OPKG_OPT_TYPE_STRING, &conf->offline_root_pre_script_cmd },
  74           { "proxy_passwd", OPKG_OPT_TYPE_STRING, &conf->proxy_passwd },
  75           { "proxy_user", OPKG_OPT_TYPE_STRING, &conf->proxy_user },
  76           { "query-all", OPKG_OPT_TYPE_BOOL, &conf->query_all },
  77           { "verbosity", OPKG_OPT_TYPE_BOOL, &conf->verbosity },
  78           { NULL }
  79      };
  80
  81      *options = (opkg_option_t *)calloc(1, sizeof(tmp));
  82      if ( options == NULL ){
  83         fprintf(stderr,"%s: Unable to allocate memory\n",__FUNCTION__);
  84         return -1;
  85      }
  86
  87      memcpy(*options, tmp, sizeof(tmp));
  88      return 0;
  89 };
  90
  91 static void opkg_conf_override_string(char **conf_str, char *arg_str)
  92 {
  93      if (arg_str) {
  94           if (*conf_str) {
  95                free(*conf_str);
  96           }
  97           *conf_str = strdup(arg_str);
  98      }
  99 }
 100
 101 static void opkg_conf_free_string(char **conf_str)
 102 {
 103      if (*conf_str) {
 104           free(*conf_str);
 105           *conf_str = NULL;
 106      }
 107 }
 108
 109 int opkg_conf_init(opkg_conf_t *conf, const args_t *args)
 110 {
 111      int err;
 112      int errno_copy;
 113      char *tmp_dir_base;
 114      nv_pair_list_t tmp_dest_nv_pair_list;
 115      char *lists_dir = NULL, *lock_file = NULL;
 116      glob_t globbuf;
 117      char *etc_opkg_conf_pattern;
 118      char *pending_dir = NULL;
 119
 120      memset(conf, 0, sizeof(opkg_conf_t));
 121
 122      pkg_src_list_init(&conf->pkg_src_list);
 123
 124      nv_pair_list_init(&tmp_dest_nv_pair_list);
 125      pkg_dest_list_init(&conf->pkg_dest_list);
 126
 127      nv_pair_list_init(&conf->arch_list);
 128
 129      conf->restrict_to_default_dest = 0;
 130      conf->default_dest = NULL;
 131
 132      /* check for lock file */
 133      if (args->offline_root)
 134        sprintf_alloc (&lock_file, "%s/%s/lock", args->offline_root, OPKG_STATE_DIR_PREFIX);
 135      else
 136        sprintf_alloc (&lock_file, "%s/lock", OPKG_STATE_DIR_PREFIX);
 137
 138      conf->lock_fd = creat (lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
 139      err = lockf (conf->lock_fd, F_TLOCK, 0);
 140      errno_copy = errno;
 141
 142      free (lock_file);
 143
 144      if (err)
 145      {
 146        if(args->offline_root) {
 147          opkg_message (conf, OPKG_ERROR, "Could not obtain administrative lock for offline root (ERR: %s)  at %s/%s/lock\n",
 148                  strerror(errno_copy), args->offline_root, OPKG_STATE_DIR_PREFIX);
 149        } else {
 150          opkg_message (conf, OPKG_ERROR, "Could not obtain administrative lock (ERR: %s) at %s/lock\n",
 151                  strerror(errno_copy), OPKG_STATE_DIR_PREFIX);
 152        }
 153        return OPKG_CONF_ERR_LOCK;
 154      }
 155
 156      if (args->tmp_dir)
 157           tmp_dir_base = args->tmp_dir;
 158      else
 159           tmp_dir_base = getenv("TMPDIR");
 160      sprintf_alloc(&conf->tmp_dir, "%s/%s",
 161                    tmp_dir_base ? tmp_dir_base : OPKG_CONF_DEFAULT_TMP_DIR_BASE,
 162                    OPKG_CONF_TMP_DIR_SUFFIX);
 163      conf->tmp_dir = mkdtemp(conf->tmp_dir);
 164      if (conf->tmp_dir == NULL) {
 165           fprintf(stderr, "%s: Failed to create temporary directory `%s': %s\n",
 166                   __FUNCTION__, conf->tmp_dir, strerror(errno));
 167           return OPKG_CONF_ERR_TMP_DIR;
 168      }
 169
 170      pkg_hash_init("pkg-hash", &conf->pkg_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 171      hash_table_init("file-hash", &conf->file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 172      hash_table_init("obs-file-hash", &conf->obs_file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 173      lists_dir=(char *)malloc(1);
 174      lists_dir[0]='\0';
 175      if (args->conf_file) {
 176           struct stat stat_buf;
 177           err = stat(args->conf_file, &stat_buf);
 178           if (err == 0)
 179                if (opkg_conf_parse_file(conf, args->conf_file,
 180                                     &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 181                    /* Memory leakage from opkg_conf_parse-file */
 182                    return OPKG_CONF_ERR_PARSE;
 183                }
 184      }
 185
 186      if (strlen(lists_dir)<=1 ){
 187         lists_dir = realloc(lists_dir,strlen(OPKG_CONF_LISTS_DIR)+2);
 188         sprintf (lists_dir,"%s",OPKG_CONF_LISTS_DIR);
 189      }
 190
 191      if (args->offline_root) {
 192             char *tmp;
 193             sprintf_alloc(&tmp, "%s/%s",args->offline_root,lists_dir);
 194             free(lists_dir);
 195             lists_dir = tmp;
 196      }
 197
 198      pending_dir = calloc(1, strlen(lists_dir)+strlen("/pending")+5);
 199      snprintf(pending_dir,strlen(lists_dir)+strlen("/pending") ,"%s%s",lists_dir,"/pending");
 200
 201      conf->lists_dir = strdup(lists_dir);
 202      conf->pending_dir = strdup(pending_dir);
 203
 204      if (args->offline_root)
 205           sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf", args->offline_root);
 206      else
 207           sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf", conf_file_dir);
 208      memset(&globbuf, 0, sizeof(globbuf));
 209      err = glob(etc_opkg_conf_pattern, 0, NULL, &globbuf);
 210      free (etc_opkg_conf_pattern);
 211      if (!err) {
 212           int i;
 213           for (i = 0; i < globbuf.gl_pathc; i++) {
 214                if (globbuf.gl_pathv[i])
 215                     if ( opkg_conf_parse_file(conf, globbuf.gl_pathv[i],
 216                                          &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 217                         /* Memory leakage from opkg_conf_parse-file */
 218                         return OPKG_CONF_ERR_PARSE;
 219                     }
 220           }
 221      }
 222      globfree(&globbuf);
 223
 224      /* if no architectures were defined, then default all, noarch, and host architecture */
 225      if (nv_pair_list_empty(&conf->arch_list)) {
 226           nv_pair_list_append(&conf->arch_list, "all", "1");
 227           nv_pair_list_append(&conf->arch_list, "noarch", "1");
 228           nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 229      }
 230
 231      /* Even if there is no conf file, we'll need at least one dest. */
 232      if (nv_pair_list_empty(&tmp_dest_nv_pair_list)) {
 233           nv_pair_list_append(&tmp_dest_nv_pair_list,
 234                               OPKG_CONF_DEFAULT_DEST_NAME,
 235                               OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 236      }
 237
 238      /* After parsing the file, set options from command-line, (so that
 239         command-line arguments take precedence) */
 240      /* XXX: CLEANUP: The interaction between args.c and opkg_conf.c
 241         really needs to be cleaned up. There is so much duplication
 242         right now it is ridiculous. Maybe opkg_conf_t should just save
 243         a pointer to args_t (which could then not be freed), rather
 244         than duplicating every field here? */
 245      if (args->autoremove) {
 246           conf->autoremove = 1;
 247      }
 248      if (args->force_depends) {
 249           conf->force_depends = 1;
 250      }
 251      if (args->force_defaults) {
 252           conf->force_defaults = 1;
 253      }
 254      if (args->force_maintainer) {
 255           conf->force_maintainer = 1;
 256      }
 257      if (args->force_overwrite) {
 258           conf->force_overwrite = 1;
 259      }
 260      if (args->force_downgrade) {
 261           conf->force_downgrade = 1;
 262      }
 263      if (args->force_reinstall) {
 264           conf->force_reinstall = 1;
 265      }
 266      if (args->force_removal_of_dependent_packages) {
 267           conf->force_removal_of_dependent_packages = 1;
 268      }
 269      if (args->force_removal_of_essential_packages) {
 270           conf->force_removal_of_essential_packages = 1;
 271      }
 272      if (args->nodeps) {
 273           conf->nodeps = 1;
 274      }
 275      if (args->noaction) {
 276           conf->noaction = 1;
 277      }
 278      if (args->query_all) {
 279           conf->query_all = 1;
 280      }
 281      if (args->verbosity != conf->verbosity) {
 282           conf->verbosity = args->verbosity;
 283      }
 284
 285      opkg_conf_override_string(&conf->offline_root,
 286                                args->offline_root);
 287      opkg_conf_override_string(&conf->offline_root_path,
 288                                args->offline_root_path);
 289      opkg_conf_override_string(&conf->offline_root_pre_script_cmd,
 290                                args->offline_root_pre_script_cmd);
 291      opkg_conf_override_string(&conf->offline_root_post_script_cmd,
 292                                args->offline_root_post_script_cmd);
 293
 294      opkg_conf_override_string(&conf->cache, args->cache);
 295
 296 /* Pigi: added a flag to disable the checking of structures if the command does not need to
 297          read anything from there.
 298 */
 299      if ( !(args->nocheckfordirorfile)){
 300         /* need to run load the source list before dest list -Jamey */
 301         if ( !(args->noreadfeedsfile))
 302            set_and_load_pkg_src_list(conf, &conf->pkg_src_list);
 303
 304         /* Now that we have resolved conf->offline_root, we can commit to
 305            the directory names for the dests and load in all the package
 306            lists. */
 307         set_and_load_pkg_dest_list(conf, &tmp_dest_nv_pair_list,lists_dir);
 308
 309         if (args->dest) {
 310              err = opkg_conf_set_default_dest(conf, args->dest);
 311              if (err) {
 312                   return OPKG_CONF_ERR_DEFAULT_DEST;
 313              }
 314         }
 315      }
 316      nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 317      free(lists_dir);
 318      free(pending_dir);
 319
 320      return 0;
 321 }
 322
 323 void opkg_conf_deinit(opkg_conf_t *conf)
 324 {
 325 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
 326 #error
 327      fprintf(stderr, "%s: Not cleaning up %s since opkg compiled "
 328              "with OPKG_DEBUG_NO_TMP_CLEANUP\n",
 329              __FUNCTION__, conf->tmp_dir);
 330 #else
 331      int err;
 332
 333      err = rmdir(conf->tmp_dir);
 334      if (err) {
 335           if (errno == ENOTEMPTY) {
 336                char *cmd;
 337                sprintf_alloc(&cmd, "rm -fr %s\n", conf->tmp_dir);
 338                err = xsystem(cmd);
 339                free(cmd);
 340           }
 341           if (err)
 342                fprintf(stderr, "WARNING: Unable to remove temporary directory: %s: %s\n", conf->tmp_dir, strerror(errno));
 343      }
 344 #endif /* OPKG_DEBUG_NO_TMP_CLEANUP */
 345
 346      free(conf->tmp_dir); /*XXX*/
 347      free(conf->lists_dir);
 348      free(conf->pending_dir);
 349
 350      pkg_src_list_deinit(&conf->pkg_src_list);
 351      pkg_dest_list_deinit(&conf->pkg_dest_list);
 352      nv_pair_list_deinit(&conf->arch_list);
 353      if (&conf->pkg_hash)
 354                     pkg_hash_deinit(&conf->pkg_hash);
 355      if (&conf->file_hash)
 356                     hash_table_deinit(&conf->file_hash);
 357      if (&conf->obs_file_hash)
 358                     hash_table_deinit(&conf->obs_file_hash);
 359
 360      opkg_conf_free_string(&conf->offline_root);
 361      opkg_conf_free_string(&conf->offline_root_path);
 362      opkg_conf_free_string(&conf->offline_root_pre_script_cmd);
 363      opkg_conf_free_string(&conf->offline_root_post_script_cmd);
 364
 365      opkg_conf_free_string(&conf->cache);
 366
 367      if (conf->verbosity > 1) {
 368           int i;
 369           hash_table_t *hashes[] = {
 370                &conf->pkg_hash,
 371                &conf->file_hash,
 372                &conf->obs_file_hash };
 373           for (i = 0; i < 3; i++) {
 374                hash_table_t *hash = hashes[i];
 375                int c = 0;
 376                int n_conflicts = 0;
 377                int j;
 378                for (j = 0; j < hash->n_entries; j++) {
 379                     int len = 0;
 380                     hash_entry_t *e = &hash->entries[j];
 381                     if (e->next)
 382                          n_conflicts++;
 383                     while (e && e->key) {
 384                          len++;
 385                          e = e->next;
 386                     }
 387                     if (len > c)
 388                          c = len;
 389                }
 390                opkg_message(conf, OPKG_DEBUG, "hash_table[%s] n_buckets=%d n_elements=%d max_conflicts=%d n_conflicts=%d\n",
 391                             hash->name, hash->n_entries, hash->n_elements, c, n_conflicts);
 392                hash_table_deinit(hash);
 393           }
 394      }
 395 }
 396
 397 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
 398                                       const char *default_dest_name)
 399 {
 400      pkg_dest_list_elt_t *iter;
 401      pkg_dest_t *dest;
 402
 403      for (iter = void_list_first(&conf->pkg_dest_list); iter; iter = void_list_next(&conf->pkg_dest_list, iter)) {
 404           dest = (pkg_dest_t *)iter->data;
 405           if (strcmp(dest->name, default_dest_name) == 0) {
 406                conf->default_dest = dest;
 407                conf->restrict_to_default_dest = 1;
 408                return 0;
 409           }
 410      }
 411
 412      fprintf(stderr, "ERROR: Unknown dest name: `%s'\n", default_dest_name);
 413
 414      return 1;
 415 }
 416
 417 static int set_and_load_pkg_src_list(opkg_conf_t *conf, pkg_src_list_t *pkg_src_list)
 418 {
 419      pkg_src_list_elt_t *iter;
 420      pkg_src_t *src;
 421      char *list_file;
 422
 423      for (iter = void_list_first(pkg_src_list); iter; iter = void_list_next(pkg_src_list, iter)) {
 424           src = (pkg_src_t *)iter->data;
 425           if (src == NULL) {
 426                continue;
 427           }
 428
 429           sprintf_alloc(&list_file, "%s/%s",
 430                           conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir,
 431                           src->name);
 432
 433           if (file_exists(list_file)) {
 434                pkg_hash_add_from_file(conf, list_file, src, NULL, 0);
 435           }
 436           free(list_file);
 437      }
 438
 439      return 0;
 440 }
 441
 442 static int set_and_load_pkg_dest_list(opkg_conf_t *conf, nv_pair_list_t *nv_pair_list, char *lists_dir )
 443 {
 444      nv_pair_list_elt_t *iter;
 445      nv_pair_t *nv_pair;
 446      pkg_dest_t *dest;
 447      char *root_dir;
 448
 449      for (iter = nv_pair_list_first(nv_pair_list); iter; iter = nv_pair_list_next(nv_pair_list, iter)) {
 450           nv_pair = (nv_pair_t *)iter->data;
 451
 452           if (conf->offline_root) {
 453                sprintf_alloc(&root_dir, "%s%s", conf->offline_root, nv_pair->value);
 454           } else {
 455                root_dir = strdup(nv_pair->value);
 456           }
 457           dest = pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name, root_dir, lists_dir);
 458           free(root_dir);
 459           if (dest == NULL) {
 460                continue;
 461           }
 462           if (conf->default_dest == NULL) {
 463                conf->default_dest = dest;
 464           }
 465           if (file_exists(dest->status_file_name)) {
 466                pkg_hash_add_from_file(conf, dest->status_file_name,
 467                                       NULL, dest, 1);
 468           }
 469      }
 470
 471      return 0;
 472 }
 473
 474 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
 475                                 pkg_src_list_t *pkg_src_list,
 476                                 nv_pair_list_t *tmp_dest_nv_pair_list,
 477                                 char **lists_dir)
 478 {
 479      int err;
 480      opkg_option_t * options;
 481      FILE *file = fopen(filename, "r");
 482      regex_t valid_line_re, comment_re;
 483 #define regmatch_size 12
 484      regmatch_t regmatch[regmatch_size];
 485
 486      if (opkg_init_options_array(conf, &options)<0)
 487         return ENOMEM;
 488
 489      if (file == NULL) {
 490           fprintf(stderr, "%s: failed to open %s: %s\n",
 491                   __FUNCTION__, filename, strerror(errno));
 492           free(options);
 493           return errno;
 494      }
 495      opkg_message(conf, OPKG_NOTICE, "loading conf file %s\n", filename);
 496
 497      err = xregcomp(&comment_re,
 498                     "^[[:space:]]*(#.*|[[:space:]]*)$",
 499                     REG_EXTENDED);
 500      if (err) {
 501           free(options);
 502           return err;
 503      }
 504      err = xregcomp(&valid_line_re, "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))([[:space:]]+([^[:space:]]+))?[[:space:]]*$", REG_EXTENDED);
 505      if (err) {
 506           free(options);
 507           return err;
 508      }
 509
 510      while(1) {
 511           int line_num = 0;
 512           char *line;
 513           char *type, *name, *value, *extra;
 514
 515           line = file_read_line_alloc(file);
 516           line_num++;
 517           if (line == NULL) {
 518                break;
 519           }
 520
 521           str_chomp(line);
 522
 523           if (regexec(&comment_re, line, 0, 0, 0) == 0) {
 524                goto NEXT_LINE;
 525           }
 526
 527           if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) == REG_NOMATCH) {
 528                str_chomp(line);
 529                fprintf(stderr, "%s:%d: Ignoring invalid line: `%s'\n",
 530                        filename, line_num, line);
 531                goto NEXT_LINE;
 532           }
 533
 534           /* This has to be so ugly to deal with optional quotation marks */
 535           if (regmatch[2].rm_so > 0) {
 536                type = strndup(line + regmatch[2].rm_so,
 537                               regmatch[2].rm_eo - regmatch[2].rm_so);
 538           } else {
 539                type = strndup(line + regmatch[3].rm_so,
 540                               regmatch[3].rm_eo - regmatch[3].rm_so);
 541           }
 542           if (regmatch[5].rm_so > 0) {
 543                name = strndup(line + regmatch[5].rm_so,
 544                               regmatch[5].rm_eo - regmatch[5].rm_so);
 545           } else {
 546                name = strndup(line + regmatch[6].rm_so,
 547                               regmatch[6].rm_eo - regmatch[6].rm_so);
 548           }
 549           if (regmatch[8].rm_so > 0) {
 550                value = strndup(line + regmatch[8].rm_so,
 551                                regmatch[8].rm_eo - regmatch[8].rm_so);
 552           } else {
 553                value = strndup(line + regmatch[9].rm_so,
 554                                regmatch[9].rm_eo - regmatch[9].rm_so);
 555           }
 556           extra = NULL;
 557           if (regmatch[11].rm_so > 0) {
 558                extra = strndup (line + regmatch[11].rm_so,
 559                                 regmatch[11].rm_eo - regmatch[11].rm_so);
 560           }
 561
 562           /* We use the tmp_dest_nv_pair_list below instead of
 563              conf->pkg_dest_list because we might encounter an
 564              offline_root option later and that would invalidate the
 565              directories we would have computed in
 566              pkg_dest_list_init. (We do a similar thing with
 567              tmp_src_nv_pair_list for sake of symmetry.) */
 568           if (strcmp(type, "option") == 0) {
 569                opkg_conf_set_option(options, name, value);
 570           } else if (strcmp(type, "src") == 0) {
 571                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 572                     pkg_src_list_append (pkg_src_list, name, value, extra, 0);
 573                } else {
 574                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 575                                  name, value);
 576                }
 577           } else if (strcmp(type, "src/gz") == 0) {
 578                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 579                     pkg_src_list_append (pkg_src_list, name, value, extra, 1);
 580                } else {
 581                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 582                                  name, value);
 583                }
 584           } else if (strcmp(type, "dest") == 0) {
 585                nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
 586           } else if (strcmp(type, "lists_dir") == 0) {
 587                *lists_dir = realloc(*lists_dir,strlen(value)+1);
 588                if (*lists_dir == NULL) {
 589                     opkg_message(conf, OPKG_ERROR, "ERROR: Not enough memory\n");
 590                     free(options);
 591                     return EINVAL;
 592                }
 593                sprintf (*lists_dir,"%s",value);
 594           } else if (strcmp(type, "arch") == 0) {
 595                opkg_message(conf, OPKG_INFO, "supported arch %s priority (%s)\n", name, value);
 596                if (!value) {
 597                     opkg_message(conf, OPKG_NOTICE, "defaulting architecture %s priority to 10\n", name);
 598                     value = strdup("10");
 599                }
 600                nv_pair_list_append(&conf->arch_list, name, value);
 601           } else {
 602                fprintf(stderr, "WARNING: Ignoring unknown configuration "
 603                        "parameter: %s %s %s\n", type, name, value);
 604                free(options);
 605                return EINVAL;
 606           }
 607
 608           free(type);
 609           free(name);
 610           free(value);
 611           if (extra)
 612                free (extra);
 613
 614      NEXT_LINE:
 615           free(line);
 616      }
 617
 618      free(options);
 619      regfree(&comment_re);
 620      regfree(&valid_line_re);
 621      fclose(file);
 622
 623      return 0;
 624 }
 625
 626 static int opkg_conf_set_option(const opkg_option_t *options,
 627                                 const char *name, const char *value)
 628 {
 629      int i = 0;
 630      while (options[i].name) {
 631           if (strcmp(options[i].name, name) == 0) {
 632                switch (options[i].type) {
 633                case OPKG_OPT_TYPE_BOOL:
 634                     *((int *)options[i].value) = 1;
 635                     return 0;
 636                case OPKG_OPT_TYPE_INT:
 637                     if (value) {
 638                          *((int *)options[i].value) = atoi(value);
 639                          return 0;
 640                     } else {
 641                          printf("%s: Option %s need an argument\n",
 642                                 __FUNCTION__, name);
 643                          return EINVAL;
 644                     }
 645                case OPKG_OPT_TYPE_STRING:
 646                     if (value) {
 647                          *((char **)options[i].value) = strdup(value);
 648                          return 0;
 649                     } else {
 650                          printf("%s: Option %s need an argument\n",
 651                                 __FUNCTION__, name);
 652                          return EINVAL;
 653                     }
 654                }
 655           }
 656           i++;
 657      }
 658
 659      fprintf(stderr, "%s: Unrecognized option: %s=%s\n",
 660              __FUNCTION__, name, value);
 661      return EINVAL;
 662 }
 663
 664 int opkg_conf_write_status_files(opkg_conf_t *conf)
 665 {
 666      pkg_dest_t *dest;
 667      pkg_vec_t *all;
 668      pkg_t *pkg;
 669      register int i;
 670      int err;
 671      FILE * status_file=NULL;
 672
 673      if (conf->noaction)
 674           return 0;
 675
 676      dest = (pkg_dest_t *)void_list_first(&conf->pkg_dest_list)->data;
 677      status_file = fopen(dest->status_file_tmp_name, "w");
 678      if (status_file == NULL) {
 679          fprintf(stderr, "%s: Can't open status file: %s for writing: %s\n",
 680                  __FUNCTION__, dest->status_file_tmp_name, strerror(errno));
 681      }
 682
 683      all = pkg_vec_alloc();
 684      pkg_hash_fetch_available(&conf->pkg_hash, all);
 685
 686      for(i = 0; i < all->len; i++) {
 687           pkg = all->pkgs[i];
 688           /* We don't need most uninstalled packages in the status file */
 689           if (pkg->state_status == SS_NOT_INSTALLED
 690               && (pkg->state_want == SW_UNKNOWN
 691                   || pkg->state_want == SW_DEINSTALL
 692                   || pkg->state_want == SW_PURGE)) {
 693                continue;
 694           }
 695           if (!pkg) {
 696             fprintf(stderr, "Null package\n");
 697           }
 698           if (pkg->dest == NULL) {
 699                fprintf(stderr, "%s: ERROR: Can't write status for "
 700                        "package %s since it has a NULL dest\n",
 701                        __FUNCTION__, pkg->name);
 702                continue;
 703           }
 704           if (status_file) {
 705                pkg_print_status(pkg, status_file);
 706           }
 707      }
 708
 709      pkg_vec_free(all);
 710
 711      if (status_file) {
 712          err = ferror(status_file);
 713          fclose(status_file);
 714          if (!err) {
 715              file_move(dest->status_file_tmp_name, dest->status_file_name);
 716          } else {
 717              fprintf(stderr, "%s: ERROR: An error has occurred writing %s, "
 718                      "retaining old %s\n", __FUNCTION__,
 719                      dest->status_file_tmp_name, dest->status_file_name);
 720          }
 721          status_file = NULL;
 722      }
 723      return 0;
 724 }
 725
 726
 727 char *root_filename_alloc(opkg_conf_t *conf, char *filename)
 728 {
 729      char *root_filename;
 730      sprintf_alloc(&root_filename, "%s%s", (conf->offline_root ? conf->offline_root : ""), filename);
 731      return root_filename;
 732 }