diff options
Diffstat (limited to 'src/dns-manager/nm-dns-utils.c')
| -rw-r--r-- | src/dns-manager/nm-dns-utils.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/src/dns-manager/nm-dns-utils.c b/src/dns-manager/nm-dns-utils.c deleted file mode 100644 index e920611a..00000000 --- a/src/dns-manager/nm-dns-utils.c +++ /dev/null @@ -1,105 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Copyright (C) 2010 Red Hat, Inc. - * - */ - -#include "nm-default.h" - -#include <arpa/inet.h> -#include <string.h> - -#include "nm-dns-utils.h" -#include "nm-platform.h" -#include "nm-utils.h" - -static void -add_ip4_to_rdns_array (guint32 ip, GPtrArray *domains) /* network byte order */ -{ - guint32 defprefix; - guchar *p; - char *str = NULL; - int i; - - defprefix = nm_utils_ip4_get_default_prefix (ip); - - /* Convert to host byte order, mask the host bits, and convert back */ - ip = ntohl (ip); - ip &= 0xFFFFFFFF << (32 - defprefix); - ip = htonl (ip); - p = (guchar *) &ip; - - if (defprefix == 8) - str = g_strdup_printf ("%u.in-addr.arpa", p[0] & 0xFF); - else if (defprefix == 16) - str = g_strdup_printf ("%u.%u.in-addr.arpa", p[1] & 0xFF, p[0] & 0xFF); - else if (defprefix == 24) - str = g_strdup_printf ("%u.%u.%u.in-addr.arpa", p[2] & 0xFF, p[1] & 0xFF, p[0] & 0xFF); - - if (!str) { - g_return_if_fail (str != NULL); - return; - } - - /* Suppress duplicates */ - for (i = 0; i < domains->len; i++) { - if (strcmp (str, g_ptr_array_index (domains, i)) == 0) - break; - } - - if (i == domains->len) - g_ptr_array_add (domains, str); - else - g_free (str); -} - -char ** -nm_dns_utils_get_ip4_rdns_domains (NMIP4Config *ip4) -{ - GPtrArray *domains = NULL; - int i; - - g_return_val_if_fail (ip4 != NULL, NULL); - - domains = g_ptr_array_sized_new (5); - - /* To calculate the reverse DNS domains for this IP4 config, we take - * all the IP addresses and routes in the config, calculate the network - * portion, and convert that to classful, and use the network bits for - * the final domain. FIXME: better handle classless routing, which might - * require us to add multiple domains for each actual network prefix to - * cover all the separate networks in that block. - */ - - for (i = 0; i < nm_ip4_config_get_num_addresses (ip4); i++) { - const NMPlatformIP4Address *address = nm_ip4_config_get_address (ip4, i); - - add_ip4_to_rdns_array (address->address, domains); - } - - for (i = 0; i < nm_ip4_config_get_num_routes (ip4); i++) { - const NMPlatformIP4Route *route = nm_ip4_config_get_route (ip4, i); - - add_ip4_to_rdns_array (route->network, domains); - } - - /* Terminating NULL so we can use g_strfreev() to free it */ - g_ptr_array_add (domains, NULL); - - /* Free the array and return NULL if the only element was the ending NULL */ - return (char **) g_ptr_array_free (domains, (domains->len == 1)); -} - |