Remove dead code, sprintf_alloc() cannot fail. Opkg will exit instead.
[oweals/opkg-lede.git] / libopkg / opkg_conf.c
index bcc79ed16d8d45e2ab7dfb07256dd4646606e161..acac1b49894d7e92b1baf2f6aaf283460f9d3cc7 100644 (file)
@@ -47,13 +47,14 @@ opkg_conf_t *conf = &_conf;
 opkg_option_t options[] = {
          { "cache", OPKG_OPT_TYPE_STRING, &_conf.cache},
          { "force_defaults", OPKG_OPT_TYPE_BOOL, &_conf.force_defaults },
-          { "force_maintainer", OPKG_OPT_TYPE_BOOL, &_conf.force_maintainer }, 
+          { "force_maintainer", OPKG_OPT_TYPE_BOOL, &_conf.force_maintainer },
          { "force_depends", OPKG_OPT_TYPE_BOOL, &_conf.force_depends },
          { "force_overwrite", OPKG_OPT_TYPE_BOOL, &_conf.force_overwrite },
          { "force_downgrade", OPKG_OPT_TYPE_BOOL, &_conf.force_downgrade },
          { "force_reinstall", OPKG_OPT_TYPE_BOOL, &_conf.force_reinstall },
          { "force_space", OPKG_OPT_TYPE_BOOL, &_conf.force_space },
-          { "check_signature", OPKG_OPT_TYPE_BOOL, &_conf.check_signature }, 
+         { "force_postinstall", OPKG_OPT_TYPE_BOOL, &_conf.force_postinstall },
+          { "check_signature", OPKG_OPT_TYPE_BOOL, &_conf.check_signature },
          { "ftp_proxy", OPKG_OPT_TYPE_STRING, &_conf.ftp_proxy },
          { "http_proxy", OPKG_OPT_TYPE_STRING, &_conf.http_proxy },
          { "no_proxy", OPKG_OPT_TYPE_STRING, &_conf.no_proxy },
@@ -72,7 +73,7 @@ opkg_option_t options[] = {
          { "signature_ca_path", OPKG_OPT_TYPE_STRING, &_conf.signature_ca_path },
 #endif
 #if defined(HAVE_PATHFINDER)
-          { "check_x509_path", OPKG_OPT_TYPE_BOOL, &_conf.check_x509_path }, 
+          { "check_x509_path", OPKG_OPT_TYPE_BOOL, &_conf.check_x509_path },
 #endif
 #if defined(HAVE_SSLCURL) && defined(HAVE_CURL)
           { "ssl_engine", OPKG_OPT_TYPE_STRING, &_conf.ssl_engine },
@@ -89,15 +90,15 @@ opkg_option_t options[] = {
 };
 
 static int
-resolve_pkg_dest_list(nv_pair_list_t *nv_pair_list)
+resolve_pkg_dest_list(void)
 {
      nv_pair_list_elt_t *iter;
      nv_pair_t *nv_pair;
      pkg_dest_t *dest;
      char *root_dir;
 
-     for (iter = nv_pair_list_first(nv_pair_list); iter;
-                    iter = nv_pair_list_next(nv_pair_list, iter)) {
+     for (iter = nv_pair_list_first(&conf->tmp_dest_list); iter;
+                    iter = nv_pair_list_next(&conf->tmp_dest_list, iter)) {
          nv_pair = (nv_pair_t *)iter->data;
 
          if (conf->offline_root) {
@@ -156,7 +157,7 @@ opkg_conf_set_option(const char *name, const char *value)
                         opkg_msg(ERROR, "Option %s needs an argument\n",
                                name);
                         return -1;
-                   }               
+                   }
               case OPKG_OPT_TYPE_STRING:
                    if (value) {
                            if (*(char **)options[i].value) {
@@ -176,15 +177,14 @@ opkg_conf_set_option(const char *name, const char *value)
          }
          i++;
      }
-    
+
      opkg_msg(ERROR, "Unrecognized option: %s=%s\n", name, value);
      return -1;
 }
 
 static int
 opkg_conf_parse_file(const char *filename,
-                               pkg_src_list_t *pkg_src_list,
-                               nv_pair_list_t *tmp_dest_nv_pair_list)
+                               pkg_src_list_t *pkg_src_list)
 {
      int line_num = 0;
      int err = 0;
@@ -202,7 +202,7 @@ opkg_conf_parse_file(const char *filename,
 
      opkg_msg(INFO, "Loading conf file %s.\n", filename);
 
-     err = xregcomp(&comment_re, 
+     err = xregcomp(&comment_re,
                    "^[[:space:]]*(#.*|[[:space:]]*)$",
                    REG_EXTENDED);
      if (err)
@@ -267,7 +267,7 @@ opkg_conf_parse_file(const char *filename,
                                regmatch[11].rm_eo - regmatch[11].rm_so);
          }
 
-         /* We use the tmp_dest_nv_pair_list below instead of
+         /* We use the conf->tmp_dest_list below instead of
             conf->pkg_dest_list because we might encounter an
             offline_root option later and that would invalidate the
             directories we would have computed in
@@ -290,7 +290,7 @@ opkg_conf_parse_file(const char *filename,
                                   "Skipping.\n", name, value);
               }
          } else if (strcmp(type, "dest") == 0) {
-              nv_pair_list_append(tmp_dest_nv_pair_list, name, value);
+              nv_pair_list_append(&conf->tmp_dest_list, name, value);
          } else if (strcmp(type, "lists_dir") == 0) {
               conf->lists_dir = xstrdup(value);
          } else if (strcmp(type, "arch") == 0) {
@@ -344,7 +344,7 @@ opkg_conf_write_status_files(void)
           dest = (pkg_dest_t *)iter->data;
 
           dest->status_fp = fopen(dest->status_file_name, "w");
-          if (dest->status_fp == NULL) {
+          if (dest->status_fp == NULL && errno != EROFS) {
                opkg_perror(ERROR, "Can't open status file %s",
                     dest->status_file_name);
                ret = -1;
@@ -359,7 +359,8 @@ opkg_conf_write_status_files(void)
          /* We don't need most uninstalled packages in the status file */
          if (pkg->state_status == SS_NOT_INSTALLED
              && (pkg->state_want == SW_UNKNOWN
-                 || pkg->state_want == SW_DEINSTALL
+                 || (pkg->state_want == SW_DEINSTALL
+                         && pkg->state_flag != SF_HOLD)
                  || pkg->state_want == SW_PURGE)) {
               continue;
          }
@@ -376,7 +377,7 @@ opkg_conf_write_status_files(void)
 
      list_for_each_entry(iter, &conf->pkg_dest_list.head, node) {
           dest = (pkg_dest_t *)iter->data;
-          if (fclose(dest->status_fp) == EOF) {
+          if (dest->status_fp && fclose(dest->status_fp) == EOF) {
                opkg_perror(ERROR, "Couldn't close %s", dest->status_file_name);
               ret = -1;
           }
@@ -408,10 +409,20 @@ glob_errfunc(const char *epath, int eerrno)
 
 int
 opkg_conf_init(void)
+{
+       pkg_src_list_init(&conf->pkg_src_list);
+       pkg_dest_list_init(&conf->pkg_dest_list);
+       pkg_dest_list_init(&conf->tmp_dest_list);
+       nv_pair_list_init(&conf->arch_list);
+
+       return 0;
+}
+
+int
+opkg_conf_load(void)
 {
        int i, glob_ret;
        char *tmp, *tmp_dir_base, **tmp_val;
-       nv_pair_list_t tmp_dest_nv_pair_list;
        glob_t globbuf;
        char *etc_opkg_conf_pattern;
 
@@ -421,11 +432,6 @@ opkg_conf_init(void)
        conf->check_x509_path = 1;
 #endif
 
-       pkg_src_list_init(&conf->pkg_src_list);
-       pkg_dest_list_init(&conf->pkg_dest_list);
-       nv_pair_list_init(&conf->arch_list);
-       nv_pair_list_init(&tmp_dest_nv_pair_list);
-
        if (!conf->offline_root)
                conf->offline_root = xstrdup(getenv("OFFLINE_ROOT"));
 
@@ -436,7 +442,7 @@ opkg_conf_init(void)
                        goto err0;
                }
                if (opkg_conf_parse_file(conf->conf_file,
-                               &conf->pkg_src_list, &tmp_dest_nv_pair_list))
+                               &conf->pkg_src_list))
                        goto err1;
        }
 
@@ -460,12 +466,12 @@ opkg_conf_init(void)
        free(etc_opkg_conf_pattern);
 
        for (i = 0; i < globbuf.gl_pathc; i++) {
-               if (globbuf.gl_pathv[i]) 
+               if (globbuf.gl_pathv[i])
                        if (conf->conf_file &&
                                        !strcmp(conf->conf_file, globbuf.gl_pathv[i]))
                                continue;
-               if ( opkg_conf_parse_file(globbuf.gl_pathv[i], 
-                       &conf->pkg_src_list, &tmp_dest_nv_pair_list)<0) {
+               if ( opkg_conf_parse_file(globbuf.gl_pathv[i],
+                       &conf->pkg_src_list)<0) {
                        globfree(&globbuf);
                        goto err1;
                }
@@ -486,7 +492,11 @@ opkg_conf_init(void)
 
        if (lockf(lock_fd, F_TLOCK, (off_t)0) == -1) {
                opkg_perror(ERROR, "Could not lock %s", lock_file);
-               goto err3;
+               if (close(lock_fd) == -1)
+                       opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
+                               lock_fd, lock_file);
+               lock_fd = -1;
+               goto err2;
        }
 
        if (conf->tmp_dir)
@@ -502,7 +512,7 @@ opkg_conf_init(void)
        conf->tmp_dir = mkdtemp(tmp);
        if (conf->tmp_dir == NULL) {
                opkg_perror(ERROR, "Creating temp dir %s failed", tmp);
-               goto err4;
+               goto err3;
        }
 
        pkg_hash_init();
@@ -526,21 +536,21 @@ opkg_conf_init(void)
        }
 
        /* Even if there is no conf file, we'll need at least one dest. */
-       if (nv_pair_list_empty(&tmp_dest_nv_pair_list)) {
-       nv_pair_list_append(&tmp_dest_nv_pair_list,
+       if (nv_pair_list_empty(&conf->tmp_dest_list)) {
+               nv_pair_list_append(&conf->tmp_dest_list,
                        OPKG_CONF_DEFAULT_DEST_NAME,
                        OPKG_CONF_DEFAULT_DEST_ROOT_DIR);
        }
 
-       if (resolve_pkg_dest_list(&tmp_dest_nv_pair_list))
-               goto err5;
+       if (resolve_pkg_dest_list())
+               goto err4;
 
-       nv_pair_list_deinit(&tmp_dest_nv_pair_list);
+       nv_pair_list_deinit(&conf->tmp_dest_list);
 
        return 0;
 
 
-err5:
+err4:
        free(conf->lists_dir);
 
        pkg_hash_deinit();
@@ -549,17 +559,20 @@ err5:
 
        if (rmdir(conf->tmp_dir) == -1)
                opkg_perror(ERROR, "Couldn't remove dir %s", conf->tmp_dir);
-err4:
+err3:
        if (lockf(lock_fd, F_ULOCK, (off_t)0) == -1)
                opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
-err3:
+
        if (close(lock_fd) == -1)
                opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
                                lock_fd, lock_file);
        if (unlink(lock_file) == -1)
                opkg_perror(ERROR, "Couldn't unlink %s", lock_file);
 err2:
-       free(lock_file);
+       if (lock_file) {
+               free(lock_file);
+               lock_file = NULL;
+       }
 err1:
        pkg_src_list_deinit(&conf->pkg_src_list);
        pkg_dest_list_deinit(&conf->pkg_dest_list);
@@ -575,7 +588,7 @@ err1:
                }
        }
 err0:
-       nv_pair_list_deinit(&tmp_dest_nv_pair_list);
+       nv_pair_list_deinit(&conf->tmp_dest_list);
        if (conf->dest_str)
                free(conf->dest_str);
        if (conf->conf_file)
@@ -590,9 +603,11 @@ opkg_conf_deinit(void)
        int i;
        char **tmp;
 
-       rm_r(conf->tmp_dir);
+       if (conf->tmp_dir)
+               rm_r(conf->tmp_dir);
 
-       free(conf->lists_dir);
+       if (conf->lists_dir)
+               free(conf->lists_dir);
 
        if (conf->dest_str)
                free(conf->dest_str);
@@ -614,7 +629,7 @@ opkg_conf_deinit(void)
                }
        }
 
-       if (conf->verbosity >= DEBUG) { 
+       if (conf->verbosity >= DEBUG) {
                hash_print_stats(&conf->pkg_hash);
                hash_print_stats(&conf->file_hash);
                hash_print_stats(&conf->obs_file_hash);
@@ -624,15 +639,20 @@ opkg_conf_deinit(void)
        hash_table_deinit(&conf->file_hash);
        hash_table_deinit(&conf->obs_file_hash);
 
-       if (lockf(lock_fd, F_ULOCK, (off_t)0) == -1)
-               opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
+       if (lock_fd != -1) {
+               if (lockf(lock_fd, F_ULOCK, (off_t)0) == -1)
+                       opkg_perror(ERROR, "Couldn't unlock %s", lock_file);
 
-       if (close(lock_fd) == -1)
-               opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
-                               lock_fd, lock_file);
+               if (close(lock_fd) == -1)
+                       opkg_perror(ERROR, "Couldn't close descriptor %d (%s)",
+                                       lock_fd, lock_file);
 
-       if (unlink(lock_file) == -1)
-               opkg_perror(ERROR, "Couldn't unlink %s", lock_file);
+       }
 
-       free(lock_file);
+       if (lock_file) {
+               if (unlink(lock_file) == -1)
+                       opkg_perror(ERROR, "Couldn't unlink %s", lock_file);
+
+               free(lock_file);
+       }
 }