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