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 #if defined(HAVE_OPENSSL)
  79           { "signature_ca_file", OPKG_OPT_TYPE_STRING, &conf->signature_ca_file },
  80           { "signature_ca_path", OPKG_OPT_TYPE_STRING, &conf->signature_ca_path },
  81 #endif
  82           { NULL }
  83      };
  84
  85      *options = (opkg_option_t *)calloc(1, sizeof(tmp));
  86      if ( options == NULL ){
  87         fprintf(stderr,"%s: Unable to allocate memory\n",__FUNCTION__);
  88         return -1;
  89      }
  90
  91      memcpy(*options, tmp, sizeof(tmp));
  92      return 0;
  93 };
  94
  95 static void opkg_conf_override_string(char **conf_str, char *arg_str)
  96 {
  97      if (arg_str) {
  98           if (*conf_str) {
  99                free(*conf_str);
 100           }
 101           *conf_str = strdup(arg_str);
 102      }
 103 }
 104
 105 static void opkg_conf_free_string(char **conf_str)
 106 {
 107      if (*conf_str) {
 108           free(*conf_str);
 109           *conf_str = NULL;
 110      }
 111 }
 112
 113 int opkg_conf_init(opkg_conf_t *conf, const args_t *args)
 114 {
 115      int err;
 116      int errno_copy;
 117      char *tmp_dir_base;
 118      nv_pair_list_t tmp_dest_nv_pair_list;
 119      char *lists_dir = NULL, *lock_file = NULL;
 120      glob_t globbuf;
 121      char *etc_opkg_conf_pattern;
 122      char *pending_dir = NULL;
 123
 124      memset(conf, 0, sizeof(opkg_conf_t));
 125
 126      pkg_src_list_init(&conf->pkg_src_list);
 127
 128      nv_pair_list_init(&tmp_dest_nv_pair_list);
 129      pkg_dest_list_init(&conf->pkg_dest_list);
 130
 131      nv_pair_list_init(&conf->arch_list);
 132
 133      conf->restrict_to_default_dest = 0;
 134      conf->default_dest = NULL;
 135
 136      /* check for lock file */
 137      if (args->offline_root)
 138        sprintf_alloc (&lock_file, "%s/%s/lock", args->offline_root, OPKG_STATE_DIR_PREFIX);
 139      else
 140        sprintf_alloc (&lock_file, "%s/lock", OPKG_STATE_DIR_PREFIX);
 141
 142      conf->lock_fd = creat (lock_file, S_IRUSR | S_IWUSR | S_IRGRP);
 143      err = lockf (conf->lock_fd, F_TLOCK, 0);
 144      errno_copy = errno;
 145
 146      free (lock_file);
 147
 148      if (err)
 149      {
 150        if(args->offline_root) {
 151          opkg_message (conf, OPKG_ERROR, "Could not obtain administrative lock for offline root (ERR: %s)  at %s/%s/lock\n",
 152                  strerror(errno_copy), args->offline_root, OPKG_STATE_DIR_PREFIX);
 153        } else {
 154          opkg_message (conf, OPKG_ERROR, "Could not obtain administrative lock (ERR: %s) at %s/lock\n",
 155                  strerror(errno_copy), OPKG_STATE_DIR_PREFIX);
 156        }
 157        return OPKG_CONF_ERR_LOCK;
 158      }
 159
 160      if (args->tmp_dir)
 161           tmp_dir_base = args->tmp_dir;
 162      else
 163           tmp_dir_base = getenv("TMPDIR");
 164      sprintf_alloc(&conf->tmp_dir, "%s/%s",
 165                    tmp_dir_base ? tmp_dir_base : OPKG_CONF_DEFAULT_TMP_DIR_BASE,
 166                    OPKG_CONF_TMP_DIR_SUFFIX);
 167      conf->tmp_dir = mkdtemp(conf->tmp_dir);
 168      if (conf->tmp_dir == NULL) {
 169           fprintf(stderr, "%s: Failed to create temporary directory `%s': %s\n",
 170                   __FUNCTION__, conf->tmp_dir, strerror(errno));
 171           return OPKG_CONF_ERR_TMP_DIR;
 172      }
 173
 174      pkg_hash_init("pkg-hash", &conf->pkg_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 175      hash_table_init("file-hash", &conf->file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 176      hash_table_init("obs-file-hash", &conf->obs_file_hash, OPKG_CONF_DEFAULT_HASH_LEN);
 177      lists_dir=(char *)malloc(1);
 178      lists_dir[0]='\0';
 179      if (args->conf_file) {
 180           struct stat stat_buf;
 181           err = stat(args->conf_file, &stat_buf);
 182           if (err == 0)
 183                if (opkg_conf_parse_file(conf, args->conf_file,
 184                                     &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 185                    /* Memory leakage from opkg_conf_parse-file */
 186                    return OPKG_CONF_ERR_PARSE;
 187                }
 188      }
 189
 190      if (strlen(lists_dir)<=1 ){
 191         lists_dir = realloc(lists_dir,strlen(OPKG_CONF_LISTS_DIR)+2);
 192         sprintf (lists_dir,"%s",OPKG_CONF_LISTS_DIR);
 193      }
 194
 195      if (args->offline_root) {
 196             char *tmp;
 197             sprintf_alloc(&tmp, "%s/%s",args->offline_root,lists_dir);
 198             free(lists_dir);
 199             lists_dir = tmp;
 200      }
 201
 202      pending_dir = calloc(1, strlen(lists_dir)+strlen("/pending")+5);
 203      snprintf(pending_dir,strlen(lists_dir)+strlen("/pending") ,"%s%s",lists_dir,"/pending");
 204
 205      conf->lists_dir = strdup(lists_dir);
 206      conf->pending_dir = strdup(pending_dir);
 207
 208      if (args->offline_root)
 209           sprintf_alloc(&etc_opkg_conf_pattern, "%s/etc/opkg/*.conf", args->offline_root);
 210      else
 211           sprintf_alloc(&etc_opkg_conf_pattern, "%s/*.conf", conf_file_dir);
 212      memset(&globbuf, 0, sizeof(globbuf));
 213      err = glob(etc_opkg_conf_pattern, 0, NULL, &globbuf);
 214      free (etc_opkg_conf_pattern);
 215      if (!err) {
 216           int i;
 217           for (i = 0; i < globbuf.gl_pathc; i++) {
 218                if (globbuf.gl_pathv[i])
 219                     if ( opkg_conf_parse_file(conf, globbuf.gl_pathv[i],
 220                                          &conf->pkg_src_list, &tmp_dest_nv_pair_list,&lists_dir)<0) {
 221                         /* Memory leakage from opkg_conf_parse-file */
 222                         return OPKG_CONF_ERR_PARSE;
 223                     }
 224           }
 225      }
 226      globfree(&globbuf);
 227
 228      /* if no architectures were defined, then default all, noarch, and host architecture */
 229      if (nv_pair_list_empty(&conf->arch_list)) {
 230           nv_pair_list_append(&conf->arch_list, "all", "1");
 231           nv_pair_list_append(&conf->arch_list, "noarch", "1");
 232           nv_pair_list_append(&conf->arch_list, HOST_CPU_STR, "10");
 233      }
 234
 235      /* Even if there is no conf file, we'll need at least one dest. */
 236      if (nv_pair_list_empty(&tmp_dest_nv_pair_list)) {
 237           nv_pair_list_append(&tmp_dest_nv_pair_list,
 238                               OPKG_CONF_DEFAULT_DEST_NAME,
 239                               OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
 240      }
 241
 242      /* After parsing the file, set options from command-line, (so that
 243         command-line arguments take precedence) */
 244      /* XXX: CLEANUP: The interaction between args.c and opkg_conf.c
 245         really needs to be cleaned up. There is so much duplication
 246         right now it is ridiculous. Maybe opkg_conf_t should just save
 247         a pointer to args_t (which could then not be freed), rather
 248         than duplicating every field here? */
 249      if (args->autoremove) {
 250           conf->autoremove = 1;
 251      }
 252      if (args->force_depends) {
 253           conf->force_depends = 1;
 254      }
 255      if (args->force_defaults) {
 256           conf->force_defaults = 1;
 257      }
 258      if (args->force_maintainer) {
 259           conf->force_maintainer = 1;
 260      }
 261      if (args->force_overwrite) {
 262           conf->force_overwrite = 1;
 263      }
 264      if (args->force_downgrade) {
 265           conf->force_downgrade = 1;
 266      }
 267      if (args->force_reinstall) {
 268           conf->force_reinstall = 1;
 269      }
 270      if (args->force_removal_of_dependent_packages) {
 271           conf->force_removal_of_dependent_packages = 1;
 272      }
 273      if (args->force_removal_of_essential_packages) {
 274           conf->force_removal_of_essential_packages = 1;
 275      }
 276      if (args->nodeps) {
 277           conf->nodeps = 1;
 278      }
 279      if (args->noaction) {
 280           conf->noaction = 1;
 281      }
 282      if (args->query_all) {
 283           conf->query_all = 1;
 284      }
 285      if (args->verbosity != conf->verbosity) {
 286           conf->verbosity = args->verbosity;
 287      }
 288
 289      opkg_conf_override_string(&conf->offline_root,
 290                                args->offline_root);
 291      opkg_conf_override_string(&conf->offline_root_path,
 292                                args->offline_root_path);
 293      opkg_conf_override_string(&conf->offline_root_pre_script_cmd,
 294                                args->offline_root_pre_script_cmd);
 295      opkg_conf_override_string(&conf->offline_root_post_script_cmd,
 296                                args->offline_root_post_script_cmd);
 297
 298      opkg_conf_override_string(&conf->cache, args->cache);
 299
 300 /* Pigi: added a flag to disable the checking of structures if the command does not need to
 301          read anything from there.
 302 */
 303      if ( !(args->nocheckfordirorfile)){
 304         /* need to run load the source list before dest list -Jamey */
 305         if ( !(args->noreadfeedsfile))
 306            set_and_load_pkg_src_list(conf, &conf->pkg_src_list);
 307
 308         /* Now that we have resolved conf->offline_root, we can commit to
 309            the directory names for the dests and load in all the package
 310            lists. */
 311         set_and_load_pkg_dest_list(conf, &tmp_dest_nv_pair_list,lists_dir);
 312
 313         if (args->dest) {
 314              err = opkg_conf_set_default_dest(conf, args->dest);
 315              if (err) {
 316                   return OPKG_CONF_ERR_DEFAULT_DEST;
 317              }
 318         }
 319      }
 320      nv_pair_list_deinit(&tmp_dest_nv_pair_list);
 321      free(lists_dir);
 322      free(pending_dir);
 323
 324      return 0;
 325 }
 326
 327 void opkg_conf_deinit(opkg_conf_t *conf)
 328 {
 329 #ifdef OPKG_DEBUG_NO_TMP_CLEANUP
 330 #error
 331      fprintf(stderr, "%s: Not cleaning up %s since opkg compiled "
 332              "with OPKG_DEBUG_NO_TMP_CLEANUP\n",
 333              __FUNCTION__, conf->tmp_dir);
 334 #else
 335      int err;
 336
 337      err = rmdir(conf->tmp_dir);
 338      if (err) {
 339           if (errno == ENOTEMPTY) {
 340                char *cmd;
 341                sprintf_alloc(&cmd, "rm -fr %s\n", conf->tmp_dir);
 342                err = xsystem(cmd);
 343                free(cmd);
 344           }
 345           if (err)
 346                fprintf(stderr, "WARNING: Unable to remove temporary directory: %s: %s\n", conf->tmp_dir, strerror(errno));
 347      }
 348 #endif /* OPKG_DEBUG_NO_TMP_CLEANUP */
 349
 350      free(conf->tmp_dir); /*XXX*/
 351      free(conf->lists_dir);
 352      free(conf->pending_dir);
 353
 354      pkg_src_list_deinit(&conf->pkg_src_list);
 355      pkg_dest_list_deinit(&conf->pkg_dest_list);
 356      nv_pair_list_deinit(&conf->arch_list);
 357      if (&conf->pkg_hash)
 358                     pkg_hash_deinit(&conf->pkg_hash);
 359      if (&conf->file_hash)
 360                     hash_table_deinit(&conf->file_hash);
 361      if (&conf->obs_file_hash)
 362                     hash_table_deinit(&conf->obs_file_hash);
 363
 364      opkg_conf_free_string(&conf->offline_root);
 365      opkg_conf_free_string(&conf->offline_root_path);
 366      opkg_conf_free_string(&conf->offline_root_pre_script_cmd);
 367      opkg_conf_free_string(&conf->offline_root_post_script_cmd);
 368
 369      opkg_conf_free_string(&conf->cache);
 370
 371 #if defined(HAVE_OPENSSL)
 372      opkg_conf_free_string(&conf->signature_ca_file);
 373      opkg_conf_free_string(&conf->signature_ca_path);
 374 #endif
 375
 376      if (conf->verbosity > 1) {
 377           int i;
 378           hash_table_t *hashes[] = {
 379                &conf->pkg_hash,
 380                &conf->file_hash,
 381                &conf->obs_file_hash };
 382           for (i = 0; i < 3; i++) {
 383                hash_table_t *hash = hashes[i];
 384                int c = 0;
 385                int n_conflicts = 0;
 386                int j;
 387                for (j = 0; j < hash->n_entries; j++) {
 388                     int len = 0;
 389                     hash_entry_t *e = &hash->entries[j];
 390                     if (e->next)
 391                          n_conflicts++;
 392                     while (e && e->key) {
 393                          len++;
 394                          e = e->next;
 395                     }
 396                     if (len > c)
 397                          c = len;
 398                }
 399                opkg_message(conf, OPKG_DEBUG, "hash_table[%s] n_buckets=%d n_elements=%d max_conflicts=%d n_conflicts=%d\n",
 400                             hash->name, hash->n_entries, hash->n_elements, c, n_conflicts);
 401                hash_table_deinit(hash);
 402           }
 403      }
 404 }
 405
 406 static int opkg_conf_set_default_dest(opkg_conf_t *conf,
 407                                       const char *default_dest_name)
 408 {
 409      pkg_dest_list_elt_t *iter;
 410      pkg_dest_t *dest;
 411
 412      for (iter = void_list_first(&conf->pkg_dest_list); iter; iter = void_list_next(&conf->pkg_dest_list, iter)) {
 413           dest = (pkg_dest_t *)iter->data;
 414           if (strcmp(dest->name, default_dest_name) == 0) {
 415                conf->default_dest = dest;
 416                conf->restrict_to_default_dest = 1;
 417                return 0;
 418           }
 419      }
 420
 421      fprintf(stderr, "ERROR: Unknown dest name: `%s'\n", default_dest_name);
 422
 423      return 1;
 424 }
 425
 426 static int set_and_load_pkg_src_list(opkg_conf_t *conf, pkg_src_list_t *pkg_src_list)
 427 {
 428      pkg_src_list_elt_t *iter;
 429      pkg_src_t *src;
 430      char *list_file;
 431
 432      for (iter = void_list_first(pkg_src_list); iter; iter = void_list_next(pkg_src_list, iter)) {
 433           src = (pkg_src_t *)iter->data;
 434           if (src == NULL) {
 435                continue;
 436           }
 437
 438           sprintf_alloc(&list_file, "%s/%s",
 439                           conf->restrict_to_default_dest ? conf->default_dest->lists_dir : conf->lists_dir,
 440                           src->name);
 441
 442           if (file_exists(list_file)) {
 443                pkg_hash_add_from_file(conf, list_file, src, NULL, 0);
 444           }
 445           free(list_file);
 446      }
 447
 448      return 0;
 449 }
 450
 451 static int set_and_load_pkg_dest_list(opkg_conf_t *conf, nv_pair_list_t *nv_pair_list, char *lists_dir )
 452 {
 453      nv_pair_list_elt_t *iter;
 454      nv_pair_t *nv_pair;
 455      pkg_dest_t *dest;
 456      char *root_dir;
 457
 458      for (iter = nv_pair_list_first(nv_pair_list); iter; iter = nv_pair_list_next(nv_pair_list, iter)) {
 459           nv_pair = (nv_pair_t *)iter->data;
 460
 461           if (conf->offline_root) {
 462                sprintf_alloc(&root_dir, "%s%s", conf->offline_root, nv_pair->value);
 463           } else {
 464                root_dir = strdup(nv_pair->value);
 465           }
 466           dest = pkg_dest_list_append(&conf->pkg_dest_list, nv_pair->name, root_dir, lists_dir);
 467           free(root_dir);
 468           if (dest == NULL) {
 469                continue;
 470           }
 471           if (conf->default_dest == NULL) {
 472                conf->default_dest = dest;
 473           }
 474           if (file_exists(dest->status_file_name)) {
 475                pkg_hash_add_from_file(conf, dest->status_file_name,
 476                                       NULL, dest, 1);
 477           }
 478      }
 479
 480      return 0;
 481 }
 482
 483 static int opkg_conf_parse_file(opkg_conf_t *conf, const char *filename,
 484                                 pkg_src_list_t *pkg_src_list,
 485                                 nv_pair_list_t *tmp_dest_nv_pair_list,
 486                                 char **lists_dir)
 487 {
 488      int err;
 489      opkg_option_t * options;
 490      FILE *file = fopen(filename, "r");
 491      regex_t valid_line_re, comment_re;
 492 #define regmatch_size 12
 493      regmatch_t regmatch[regmatch_size];
 494
 495      if (opkg_init_options_array(conf, &options)<0)
 496         return ENOMEM;
 497
 498      if (file == NULL) {
 499           fprintf(stderr, "%s: failed to open %s: %s\n",
 500                   __FUNCTION__, filename, strerror(errno));
 501           free(options);
 502           return errno;
 503      }
 504      opkg_message(conf, OPKG_NOTICE, "loading conf file %s\n", filename);
 505
 506      err = xregcomp(&comment_re,
 507                     "^[[:space:]]*(#.*|[[:space:]]*)$",
 508                     REG_EXTENDED);
 509      if (err) {
 510           free(options);
 511           return err;
 512      }
 513      err = xregcomp(&valid_line_re, "^[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))[[:space:]]*(\"([^\"]*)\"|([^[:space:]]*))([[:space:]]+([^[:space:]]+))?[[:space:]]*$", REG_EXTENDED);
 514      if (err) {
 515           free(options);
 516           return err;
 517      }
 518
 519      while(1) {
 520           int line_num = 0;
 521           char *line;
 522           char *type, *name, *value, *extra;
 523
 524           line = file_read_line_alloc(file);
 525           line_num++;
 526           if (line == NULL) {
 527                break;
 528           }
 529
 530           str_chomp(line);
 531
 532           if (regexec(&comment_re, line, 0, 0, 0) == 0) {
 533                goto NEXT_LINE;
 534           }
 535
 536           if (regexec(&valid_line_re, line, regmatch_size, regmatch, 0) == REG_NOMATCH) {
 537                str_chomp(line);
 538                fprintf(stderr, "%s:%d: Ignoring invalid line: `%s'\n",
 539                        filename, line_num, line);
 540                goto NEXT_LINE;
 541           }
 542
 543           /* This has to be so ugly to deal with optional quotation marks */
 544           if (regmatch[2].rm_so > 0) {
 545                type = strndup(line + regmatch[2].rm_so,
 546                               regmatch[2].rm_eo - regmatch[2].rm_so);
 547           } else {
 548                type = strndup(line + regmatch[3].rm_so,
 549                               regmatch[3].rm_eo - regmatch[3].rm_so);
 550           }
 551           if (regmatch[5].rm_so > 0) {
 552                name = strndup(line + regmatch[5].rm_so,
 553                               regmatch[5].rm_eo - regmatch[5].rm_so);
 554           } else {
 555                name = strndup(line + regmatch[6].rm_so,
 556                               regmatch[6].rm_eo - regmatch[6].rm_so);
 557           }
 558           if (regmatch[8].rm_so > 0) {
 559                value = strndup(line + regmatch[8].rm_so,
 560                                regmatch[8].rm_eo - regmatch[8].rm_so);
 561           } else {
 562                value = strndup(line + regmatch[9].rm_so,
 563                                regmatch[9].rm_eo - regmatch[9].rm_so);
 564           }
 565           extra = NULL;
 566           if (regmatch[11].rm_so > 0) {
 567                extra = strndup (line + regmatch[11].rm_so,
 568                                 regmatch[11].rm_eo - regmatch[11].rm_so);
 569           }
 570
 571           /* We use the tmp_dest_nv_pair_list below instead of
 572              conf->pkg_dest_list because we might encounter an
 573              offline_root option later and that would invalidate the
 574              directories we would have computed in
 575              pkg_dest_list_init. (We do a similar thing with
 576              tmp_src_nv_pair_list for sake of symmetry.) */
 577           if (strcmp(type, "option") == 0) {
 578                opkg_conf_set_option(options, name, value);
 579           } else if (strcmp(type, "src") == 0) {
 580                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 581                     pkg_src_list_append (pkg_src_list, name, value, extra, 0);
 582                } else {
 583                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 584                                  name, value);
 585                }
 586           } else if (strcmp(type, "src/gz") == 0) {
 587                if (!nv_pair_list_find((nv_pair_list_t*) pkg_src_list, name)) {
 588                     pkg_src_list_append (pkg_src_list, name, value, extra, 1);
 589                } else {
 590                     opkg_message(conf, OPKG_ERROR, "ERROR: duplicate src declaration.  Skipping:\n\t src %s %s\n",
 591                                  name, value);
 592                }
 593           } else if (strcmp(type, "dest") == 0) {
 594                nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
 595           } else if (strcmp(type, "lists_dir") == 0) {
 596                *lists_dir = realloc(*lists_dir,strlen(value)+1);
 597                if (*lists_dir == NULL) {
 598                     opkg_message(conf, OPKG_ERROR, "ERROR: Not enough memory\n");
 599                     free(options);
 600                     return EINVAL;
 601                }
 602                sprintf (*lists_dir,"%s",value);
 603           } else if (strcmp(type, "arch") == 0) {
 604                opkg_message(conf, OPKG_INFO, "supported arch %s priority (%s)\n", name, value);
 605                if (!value) {
 606                     opkg_message(conf, OPKG_NOTICE, "defaulting architecture %s priority to 10\n", name);
 607                     value = strdup("10");
 608                }
 609                nv_pair_list_append(&conf->arch_list, name, value);
 610           } else {
 611                fprintf(stderr, "WARNING: Ignoring unknown configuration "
 612                        "parameter: %s %s %s\n", type, name, value);
 613                free(options);
 614                return EINVAL;
 615           }
 616
 617           free(type);
 618           free(name);
 619           free(value);
 620           if (extra)
 621                free (extra);
 622
 623      NEXT_LINE:
 624           free(line);
 625      }
 626
 627      free(options);
 628      regfree(&comment_re);
 629      regfree(&valid_line_re);
 630      fclose(file);
 631
 632      return 0;
 633 }
 634
 635 static int opkg_conf_set_option(const opkg_option_t *options,
 636                                 const char *name, const char *value)
 637 {
 638      int i = 0;
 639      while (options[i].name) {
 640           if (strcmp(options[i].name, name) == 0) {
 641                switch (options[i].type) {
 642                case OPKG_OPT_TYPE_BOOL:
 643                     *((int *)options[i].value) = 1;
 644                     return 0;
 645                case OPKG_OPT_TYPE_INT:
 646                     if (value) {
 647                          *((int *)options[i].value) = atoi(value);
 648                          return 0;
 649                     } else {
 650                          printf("%s: Option %s need an argument\n",
 651                                 __FUNCTION__, name);
 652                          return EINVAL;
 653                     }
 654                case OPKG_OPT_TYPE_STRING:
 655                     if (value) {
 656                          *((char **)options[i].value) = strdup(value);
 657                          return 0;
 658                     } else {
 659                          printf("%s: Option %s need an argument\n",
 660                                 __FUNCTION__, name);
 661                          return EINVAL;
 662                     }
 663                }
 664           }
 665           i++;
 666      }
 667
 668      fprintf(stderr, "%s: Unrecognized option: %s=%s\n",
 669              __FUNCTION__, name, value);
 670      return EINVAL;
 671 }
 672
 673 int opkg_conf_write_status_files(opkg_conf_t *conf)
 674 {
 675      pkg_dest_t *dest;
 676      pkg_vec_t *all;
 677      pkg_t *pkg;
 678      int i;
 679      int err;
 680      FILE * status_file=NULL;
 681
 682      if (conf->noaction)
 683           return 0;
 684
 685      dest = (pkg_dest_t *)void_list_first(&conf->pkg_dest_list)->data;
 686      status_file = fopen(dest->status_file_tmp_name, "w");
 687      if (status_file == NULL) {
 688          fprintf(stderr, "%s: Can't open status file: %s for writing: %s\n",
 689                  __FUNCTION__, dest->status_file_tmp_name, strerror(errno));
 690      }
 691
 692      all = pkg_vec_alloc();
 693      pkg_hash_fetch_available(&conf->pkg_hash, all);
 694
 695      for(i = 0; i < all->len; i++) {
 696           pkg = all->pkgs[i];
 697           /* We don't need most uninstalled packages in the status file */
 698           if (pkg->state_status == SS_NOT_INSTALLED
 699               && (pkg->state_want == SW_UNKNOWN
 700                   || pkg->state_want == SW_DEINSTALL
 701                   || pkg->state_want == SW_PURGE)) {
 702                continue;
 703           }
 704           if (!pkg) {
 705             fprintf(stderr, "Null package\n");
 706           }
 707           if (pkg->dest == NULL) {
 708                fprintf(stderr, "%s: ERROR: Can't write status for "
 709                        "package %s since it has a NULL dest\n",
 710                        __FUNCTION__, pkg->name);
 711                continue;
 712           }
 713           if (status_file) {
 714                pkg_print_status(pkg, status_file);
 715           }
 716      }
 717
 718      pkg_vec_free(all);
 719
 720      if (status_file) {
 721          err = ferror(status_file);
 722          fclose(status_file);
 723          if (!err) {
 724              file_move(dest->status_file_tmp_name, dest->status_file_name);
 725          } else {
 726              fprintf(stderr, "%s: ERROR: An error has occurred writing %s, "
 727                      "retaining old %s\n", __FUNCTION__,
 728                      dest->status_file_tmp_name, dest->status_file_name);
 729          }
 730          status_file = NULL;
 731      }
 732      return 0;
 733 }
 734
 735
 736 char *root_filename_alloc(opkg_conf_t *conf, char *filename)
 737 {
 738      char *root_filename;
 739      sprintf_alloc(&root_filename, "%s%s", (conf->offline_root ? conf->offline_root : ""), filename);
 740      return root_filename;
 741 }