diff options
Diffstat (limited to 'src/settings/plugins/ifnet/nms-ifnet-net-utils.c')
| -rw-r--r-- | src/settings/plugins/ifnet/nms-ifnet-net-utils.c | 830 |
1 files changed, 0 insertions, 830 deletions
diff --git a/src/settings/plugins/ifnet/nms-ifnet-net-utils.c b/src/settings/plugins/ifnet/nms-ifnet-net-utils.c deleted file mode 100644 index 6531a23813..0000000000 --- a/src/settings/plugins/ifnet/nms-ifnet-net-utils.c +++ /dev/null @@ -1,830 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* - * Mu Qiao <qiaomuf@gmail.com> - * - * 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 of the License, 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) 1999-2010 Gentoo Foundation, Inc. - */ - -#include "nm-default.h" - -#include "nms-ifnet-net-utils.h" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> - -#include "nm-utils.h" -#include "NetworkManagerUtils.h" -#include "settings/nm-settings-plugin.h" -#include "nm-config.h" -#include "dhcp/nm-dhcp-manager.h" - -#include "nms-ifnet-wpa-parser.h" -#include "nms-ifnet-net-parser.h" - -/* emit heading and tailing blank space, tab, character t */ -gchar * -strip_string (gchar * str, gchar t) -{ - gchar *ret = str; - gint length = 0; - guint i = 0; - - while (ret[i] != '\0' - && (ret[i] == '\t' || ret[i] == ' ' || ret[i] == t)) { - length++; - i++; - } - i = 0; - while (ret[i + length] != '\0') { - ret[i] = ret[i + length]; - i++; - } - ret[i] = '\0'; - length = strlen (ret); - while ((length - 1) >= 0 - && (ret[length - 1] == ' ' || ret[length - 1] == '\n' - || ret[length - 1] == '\t' || ret[length - 1] == t)) - length--; - ret[length] = '\0'; - return ret; -} - -gboolean -is_hex (const char *value) -{ - const char *p = value; - - if (!p) - return FALSE; - while (*p) { - if (!g_ascii_isxdigit (*p++)) - return FALSE; - } - return TRUE; -} - -gboolean -is_ascii (const char *value) -{ - const char *p = value; - - while (*p) { - if (!g_ascii_isprint (*p++)) - return FALSE; - } - return TRUE; - -} - -gboolean -is_true (const char *str) -{ - if (!g_ascii_strcasecmp (str, "yes") - || !g_ascii_strcasecmp (str, "true")) - return TRUE; - return FALSE; -} - -static char * -find_default_gateway_str (char *str) -{ - char *tmp; - - if ((tmp = strstr (str, "default via ")) != NULL) { - return tmp + strlen ("default via "); - } else if ((tmp = strstr (str, "default gw ")) != NULL) { - return tmp + strlen ("default gw "); - } - return NULL; -} - -static char * -find_gateway_str (char *str) -{ - char *tmp; - - if ((tmp = strstr (str, "via ")) != NULL) { - return tmp + strlen ("via "); - } else if ((tmp = strstr (str, "gw ")) != NULL) { - return tmp + strlen ("gw "); - } - return NULL; -} - -gboolean -reload_parsers (void) -{ - ifnet_destroy (); - wpa_parser_destroy (); - if (!ifnet_init (CONF_NET_FILE)) - return FALSE; - wpa_parser_init (WPA_SUPPLICANT_CONF); - return TRUE; -} - -gboolean -is_static_ip4 (const char *conn_name) -{ - const char *data = ifnet_get_data (conn_name, "config"); - const char *dhcp6; - - if (!data) - return FALSE; - if (!strcmp (data, "shared")) - return FALSE; - if (!strcmp (data, "autoip")) - return FALSE; - dhcp6 = strstr (data, "dhcp6"); - if (dhcp6) { - gchar *dhcp4; - - if (strstr (data, "dhcp ")) - return FALSE; - dhcp4 = strstr (data, "dhcp"); - if (!dhcp4) - return TRUE; - if (dhcp4[4] == '\0') - return FALSE; - return TRUE; - } - return strstr (data, "dhcp") == NULL ? TRUE : FALSE; -} - -gboolean -is_static_ip6 (const char *conn_name) -{ - const char *data = ifnet_get_data (conn_name, "config"); - - if (!data) - return TRUE; - return strstr (data, "dhcp6") == NULL ? TRUE : FALSE; -} - -gboolean -is_ip4_address (const char *in_address) -{ - const char *pattern = - "\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.((\\{\\d{1,3}\\.\\.\\d{1,3}\\})|\\d{1,3})$"; - gchar *address = g_strdup (in_address); - gboolean result = FALSE; - gchar *tmp; - GRegex *regex = g_regex_new (pattern, 0, 0, NULL); - GMatchInfo *match_info = NULL; - - if (!address) - goto done; - g_strstrip (address); - if ((tmp = strstr (address, "/")) != NULL) - *tmp = '\0'; - if ((tmp = strstr (address, " ")) != NULL) - *tmp = '\0'; - g_regex_match (regex, address, 0, &match_info); - result = g_match_info_matches (match_info); -done: - if (match_info) - g_match_info_free (match_info); - g_regex_unref (regex); - g_free (address); - return result; -} - -gboolean -is_ip6_address (const char *in_address) -{ - struct in6_addr tmp_ip6_addr; - gchar *tmp, *address; - gboolean result = FALSE; - - if (!in_address) - return FALSE; - address = g_strdup (in_address); - g_strstrip (address); - if ((tmp = strchr (address, '/')) != NULL) - *tmp = '\0'; - if (inet_pton (AF_INET6, address, &tmp_ip6_addr)) - result = TRUE; - g_free (address); - return result; - -} - -// 'c' is only used for openrc style -static gchar ** -split_addresses_by_char (const gchar *addresses, const gchar *c) -{ - gchar **ipset; - - if (addresses == NULL) - return NULL; - - if (strchr (addresses, '(') != NULL) { // old baselayout style - gchar *tmp = g_strdup (addresses); - strip_string (tmp, '('); - strip_string (tmp, ')'); - strip_string (tmp, '"'); - strip_string (tmp, '\''); - ipset = g_strsplit (tmp, "\" \"", 0); - g_free(tmp); - } else { // openrc style - if (strstr (addresses, "netmask")) - // There is only one ip address if "netmask" is specified. - // '\n' is not used in config so there will be only one split. - ipset = g_strsplit (addresses, "\n", 0); - else - ipset = g_strsplit (addresses, c, 0); - } - - return ipset; -} - -static gchar ** -split_addresses (const gchar* addresses) -{ - // " " is only used by openrc style - return split_addresses_by_char (addresses, " "); -} - -static gchar ** -split_routes (const gchar* routes) -{ - // "\"" is only used by openrc style - return split_addresses_by_char (routes, "\""); -} - -gboolean -has_ip6_address (const char *conn_name) -{ - gchar **ipset; - guint length; - guint i; - - g_return_val_if_fail (conn_name != NULL, FALSE); - ipset = split_addresses (ifnet_get_data (conn_name, "config")); - length = ipset ? g_strv_length (ipset) : 0; - for (i = 0; i < length; i++) { - if (!is_ip6_address (ipset[i])) - continue; - else { - g_strfreev (ipset); - return TRUE; - } - - } - g_strfreev (ipset); - return FALSE; -} - -gboolean -has_default_route (const char *conn_name, gboolean (*check_fn) (const char *)) -{ - char *routes = NULL, *end, *tmp; - gboolean success = FALSE; - - g_return_val_if_fail (conn_name != NULL, FALSE); - - routes = g_strdup (ifnet_get_data (conn_name, "routes")); - if (!routes) - return FALSE; - tmp = find_default_gateway_str (routes); - if (tmp) { - g_strstrip (tmp); - if ((end = strstr (tmp, "\"")) != NULL) - *end = '\0'; - if (check_fn (tmp)) - success = TRUE; - } - - g_free (routes); - return success; -} - -static ip_block * -create_ip4_block (gchar * ip) -{ - ip_block *iblock = g_slice_new0 (ip_block); - guint32 tmp_ip4_addr; - int i; - guint length; - gchar **ip_mask; - - /* prefix format */ - if (strstr (ip, "/")) { - gchar *prefix; - - ip_mask = g_strsplit (ip, "/", 0); - length = g_strv_length (ip_mask); - if (!nm_utils_ipaddr_valid (AF_INET, ip_mask[0])) - goto error; - iblock->ip = g_strdup (ip_mask[0]); - prefix = ip_mask[1]; - i = 0; - while (i < length && g_ascii_isdigit (prefix[i])) - i++; - prefix[i] = '\0'; - iblock->prefix = (guint32) atoi (ip_mask[1]); - } else if (strstr (ip, "netmask")) { - ip_mask = g_strsplit (ip, " ", 0); - length = g_strv_length (ip_mask); - if (!nm_utils_ipaddr_valid (AF_INET, ip_mask[0])) - goto error; - iblock->ip = g_strdup (ip_mask[0]); - i = 0; - while (i < length && !strstr (ip_mask[++i], "netmask")) ; - while (i < length && ip_mask[++i][0] == '\0') ; - if (i >= length) - goto error; - if (!inet_pton (AF_INET, ip_mask[i], &tmp_ip4_addr)) - goto error; - iblock->prefix = nm_utils_ip4_netmask_to_prefix (tmp_ip4_addr); - } else { - g_slice_free (ip_block, iblock); - if (!is_ip6_address (ip) && !strstr (ip, "dhcp")) - nm_log_warn (LOGD_SETTINGS, "Can't handle ipv4 address: %s, missing netmask or prefix", ip); - return NULL; - } - if (iblock->prefix == 0 || iblock->prefix > 32) { - nm_log_warn (LOGD_SETTINGS, "Can't handle ipv4 address: %s, invalid prefix", ip); - goto error; - } - g_strfreev (ip_mask); - return iblock; -error: - if (!is_ip6_address (ip)) - nm_log_warn (LOGD_SETTINGS, "Can't handle IPv4 address: %s", ip); - g_strfreev (ip_mask); - g_free (iblock->ip); - g_slice_free (ip_block, iblock); - return NULL; -} - -static ip_block * -create_ip_block (gchar * ip) -{ - ip_block *iblock = g_slice_new0 (ip_block); - gchar *dup_ip = g_strdup (ip); - gchar *prefix = NULL; - - if ((prefix = strstr (dup_ip, "/")) != NULL) { - *prefix = '\0'; - prefix++; - } - if (!nm_utils_ipaddr_valid (AF_INET6, dup_ip)) - goto error; - iblock->ip = dup_ip; - if (prefix) { - errno = 0; - iblock->prefix = strtol (prefix, NULL, 10); - if (errno || iblock->prefix <= 0 || iblock->prefix > 128) { - goto error; - } - } else - iblock->prefix = 64; - return iblock; -error: - if (!is_ip4_address (ip)) - nm_log_warn (LOGD_SETTINGS, "Can't handle IPv6 address: %s", ip); - g_slice_free (ip_block, iblock); - g_free (dup_ip); - return NULL; -} - -static char * -get_ip4_gateway (gchar * gateway) -{ - gchar *tmp, *split; - - if (!gateway) - return NULL; - tmp = find_gateway_str (gateway); - if (!tmp) { - nm_log_warn (LOGD_SETTINGS, "Couldn't obtain gateway in \"%s\"", gateway); - return NULL; - } - tmp = g_strdup (tmp); - strip_string (tmp, ' '); - strip_string (tmp, '"'); - - // Only one gateway is selected - if ((split = strstr (tmp, "\"")) != NULL) - *split = '\0'; - - if (!nm_utils_ipaddr_valid (AF_INET, tmp)) - goto error; - return tmp; -error: - if (!is_ip6_address (tmp)) - nm_log_warn (LOGD_SETTINGS, "Can't handle IPv4 gateway: %s", tmp); - g_free (tmp); - return NULL; -} - -static char * -get_ip6_next_hop (gchar * next_hop) -{ - gchar *tmp; - - if (!next_hop) - return NULL; - tmp = find_gateway_str (next_hop); - if (!tmp) { - nm_log_warn (LOGD_SETTINGS, "Couldn't obtain next_hop in \"%s\"", next_hop); - return NULL; - } - tmp = g_strdup (tmp); - strip_string (tmp, ' '); - strip_string (tmp, '"'); - g_strstrip (tmp); - if (!nm_utils_ipaddr_valid (AF_INET6, tmp)) - goto error; - return tmp; -error: - if (!is_ip4_address (tmp)) - nm_log_warn (LOGD_SETTINGS, "Can't handle IPv6 next_hop: %s", tmp); - g_free (tmp); - - return NULL; -} - -ip_block * -convert_ip4_config_block (const char *conn_name) -{ - gchar **ipset; - guint length; - guint i; - gchar *ip; - char *def_gateway = NULL; - const char *routes; - ip_block *start = NULL, *current = NULL, *iblock = NULL; - - g_return_val_if_fail (conn_name != NULL, NULL); - - ipset = split_addresses (ifnet_get_data (conn_name, "config")); - length = ipset ? g_strv_length (ipset) : 0; - - routes = ifnet_get_data (conn_name, "routes"); - if (routes) - def_gateway = get_ip4_gateway (strstr (routes, "default")); - - for (i = 0; i < length; i++) { - ip = ipset[i]; - ip = strip_string (ip, '"'); - iblock = create_ip4_block (ip); - if (iblock == NULL) - continue; - if (!iblock->next_hop && def_gateway != NULL) - iblock->next_hop = g_strdup (def_gateway); - if (start == NULL) - start = current = iblock; - else { - current->next = iblock; - current = iblock; - } - } - g_strfreev (ipset); - g_free (def_gateway); - return start; -} - -ip_block * -convert_ip6_config_block (const char *conn_name) -{ - gchar **ipset; - guint length; - guint i; - gchar *ip; - ip_block *start = NULL, *current = NULL, *iblock = NULL; - - g_return_val_if_fail (conn_name != NULL, NULL); - ipset = split_addresses (ifnet_get_data (conn_name, "config")); - length = ipset ? g_strv_length (ipset) : 0; - for (i = 0; i < length; i++) { - ip = ipset[i]; - ip = strip_string (ip, '"'); - iblock = create_ip_block (ip); - if (iblock == NULL) - continue; - if (start == NULL) - start = current = iblock; - else { - current->next = iblock; - current = iblock; - } - } - g_strfreev (ipset); - return start; -} - -ip_block * -convert_ip4_routes_block (const char *conn_name) -{ - gchar **ipset; - guint length; - guint i; - gchar *ip; - ip_block *start = NULL, *current = NULL, *iblock = NULL; - - g_return_val_if_fail (conn_name != NULL, NULL); - - ipset = split_routes (ifnet_get_data (conn_name, "routes")); - length = ipset ? g_strv_length (ipset) : 0; - for (i = 0; i < length; i++) { - ip = ipset[i]; - if (find_default_gateway_str (ip) || strstr (ip, "::") - || !find_gateway_str (ip)) - continue; - ip = strip_string (ip, '"'); - iblock = create_ip4_block (ip); - if (iblock == NULL) - continue; - iblock->next_hop = get_ip4_gateway (ip); - if (start == NULL) - start = current = iblock; - else { - current->next = iblock; - current = iblock; - } - } - g_strfreev (ipset); - return start; -} - -ip_block * -convert_ip6_routes_block (const char *conn_name) -{ - gchar **ipset; - guint length; - guint i; - gchar *ip, *tmp_addr; - ip_block *start = NULL, *current = NULL, *iblock = NULL; - - g_return_val_if_fail (conn_name != NULL, NULL); - ipset = split_routes (ifnet_get_data (conn_name, "routes")); - length = ipset ? g_strv_length (ipset) : 0; - for (i = 0; i < length; i++) { - ip = ipset[i]; - ip = strip_string (ip, '"'); - if (ip[0] == '\0') - continue; - if ((tmp_addr = find_default_gateway_str (ip)) != NULL) { - if (!is_ip6_address (tmp_addr)) - continue; - else { - iblock = g_slice_new0 (ip_block); - iblock->ip = g_strdup ("::"); - iblock->prefix = 128; - } - } else - iblock = create_ip_block (ip); - if (iblock == NULL) - continue; - iblock->next_hop = get_ip6_next_hop (ip); - if (iblock->next_hop == NULL) { - destroy_ip_block (iblock); - continue; - } - if (start == NULL) - start = current = iblock; - else { - current->next = iblock; - current = iblock; - } - } - g_strfreev (ipset); - return start; -} - -void -destroy_ip_block (ip_block * iblock) -{ - g_free (iblock->ip); - g_free (iblock->next_hop); - g_slice_free (ip_block, iblock); -} - -void -set_ip4_dns_servers (NMSettingIPConfig *s_ip4, const char *conn_name) -{ - const char *dns_servers; - gchar **server_list, *stripped; - guint length, i; - guint32 tmp_ip4_addr; - - dns_servers = ifnet_get_data (conn_name, "dns_servers"); - if (!dns_servers) - return; - stripped = g_strdup (dns_servers); - strip_string (stripped, '"'); - server_list = g_strsplit (stripped, " ", 0); - g_free (stripped); - - length = g_strv_length (server_list); - if (length) - g_object_set (s_ip4, NM_SETTING_IP_CONFIG_IGNORE_AUTO_DNS, - TRUE, NULL); - for (i = 0; i < length; i++) { - g_strstrip (server_list[i]); - if (server_list[i][0] == '\0') - continue; - if (!inet_pton (AF_INET, server_list[i], &tmp_ip4_addr)) { - if (!is_ip6_address (server_list[i])) - nm_log_warn (LOGD_SETTINGS, "ignored dns: %s\n", server_list[i]); - continue; - } - if (!nm_setting_ip_config_add_dns (s_ip4, server_list[i])) - nm_log_warn (LOGD_SETTINGS, "warning: duplicate DNS server %s", server_list[i]); - } - g_strfreev (server_list); -} - -void -set_ip6_dns_servers (NMSettingIPConfig *s_ip6, const char *conn_name) -{ - const char *dns_servers; - gchar **server_list, *stripped; - guint length, i; - struct in6_addr tmp_ip6_addr; - - dns_servers = ifnet_get_data (conn_name, "dns_servers"); - if (!dns_servers) - return; - - stripped = g_strdup (dns_servers); - strip_string (stripped, '"'); - server_list = g_strsplit (stripped, " ", 0); - g_free (stripped); - - length = g_strv_length (server_list); - if (length) - g_object_set (s_ip6, NM_SETTING_IP_CONFIG_IGNORE_AUTO_DNS, - TRUE, NULL); - for (i = 0; i < length; i++) { - g_strstrip (server_list[i]); - if (server_list[i][0] == '\0') - continue; - if (!inet_pton (AF_INET6, server_list[i], &tmp_ip6_addr)) { - if (is_ip6_address (server_list[i])) - nm_log_warn (LOGD_SETTINGS, "ignored dns: %s\n", server_list[i]); - continue; - } - if (!nm_setting_ip_config_add_dns (s_ip6, server_list[i])) - nm_log_warn (LOGD_SETTINGS, "warning: duplicate DNS server %s", server_list[i]); - } - g_strfreev (server_list); -} - -gboolean -is_managed (const char *conn_name) -{ - gchar *config; - - g_return_val_if_fail (conn_name != NULL, FALSE); - config = (gchar *) ifnet_get_data (conn_name, "managed"); - if (!config) - return TRUE; - if (strcmp (config, "false") == 0) - return FALSE; - return TRUE; -} - -static char * -_has_prefix_impl (char *str, const char *prefix, gsize prefix_len) -{ - if (!g_str_has_prefix (str, prefix)) - return NULL; - str += prefix_len; - if (!g_ascii_isspace (str[0])) - return NULL; - do { - str++; - } while (g_ascii_isspace (str[0])); - return str; -} -#define _has_prefix(STR, PREFIX) _has_prefix_impl (STR, PREFIX, NM_STRLEN (PREFIX)) - -void -get_dhcp_hostname_and_client_id (char **hostname, char **client_id) -{ - const char *dhcp_client; - const gchar *dhcpcd_conf = SYSCONFDIR "/dhcpcd.conf"; - const gchar *dhclient_conf = SYSCONFDIR "/dhcp/dhclient.conf"; - gchar *line = NULL, *tmp = NULL, *contents = NULL, *tmp1; - gchar **all_lines; - guint line_num, i; - gboolean use_dhclient = FALSE; - - *hostname = NULL; - *client_id = NULL; - dhcp_client = nm_dhcp_manager_get_config (nm_dhcp_manager_get ()); - if (dhcp_client) { - if (!strcmp (dhcp_client, "dhclient")) { - g_file_get_contents (dhclient_conf, &contents, NULL, - NULL); - use_dhclient = TRUE; - } else if (!strcmp (dhcp_client, "dhcpcd")) { - g_file_get_contents (dhcpcd_conf, &contents, NULL, - NULL); - } - } else { - if (g_file_test (dhclient_conf, G_FILE_TEST_IS_REGULAR)) { - g_file_get_contents (dhclient_conf, &contents, NULL, - NULL); - use_dhclient = TRUE; - } else if (g_file_test (dhcpcd_conf, G_FILE_TEST_IS_REGULAR)) { - g_file_get_contents (dhcpcd_conf, &contents, NULL, - NULL); - } - } - if (!contents) - return; - all_lines = g_strsplit (contents, "\n", 0); - line_num = g_strv_length (all_lines); - for (i = 0; i < line_num; i++) { - line = all_lines[i]; - g_strstrip (line); - if (line[0] == '#' || line[0] == '\0') - continue; - if (!use_dhclient) { - // dhcpcd.conf - if ((tmp = _has_prefix (line, "hostname"))) { - if (tmp[0] != '\0') { - g_free (*hostname); - *hostname = g_strdup (tmp); - } else - nm_log_info (LOGD_SETTINGS, "dhcpcd hostname not defined, ignoring"); - } else if ((tmp = _has_prefix (line, "clientid"))) { - if (tmp[0] != '\0') { - g_free (*client_id); - *client_id = g_strdup (tmp); - } else - nm_log_info (LOGD_SETTINGS, "dhcpcd clientid not defined, ignoring"); - } - } else { - // dhclient.conf - if ((tmp1 = _has_prefix (line, "send"))) { - if ((tmp = _has_prefix (tmp1, "host-name"))) { - strip_string (tmp, ';'); - strip_string (tmp, '"'); - if (tmp[0] != '\0') { - g_free (*hostname); - *hostname = g_strdup (tmp); - } else - nm_log_info (LOGD_SETTINGS, "dhclient hostname not defined, ignoring"); - } else if ((tmp = _has_prefix (tmp1, "dhcp-client-identifier"))) { - strip_string (tmp, ';'); - if (tmp[0] != '\0') { - g_free (*client_id); - *client_id = g_strdup (tmp); - } else - nm_log_info (LOGD_SETTINGS, "dhclient clientid not defined, ignoring"); - } - } - } - } - g_strfreev (all_lines); - g_free (contents); -} - -gchar *backup_file (const gchar* target) -{ - GFile *source, *backup; - gchar* backup_path; - GError *error = NULL; - - source = g_file_new_for_path (target); - - if (!g_file_query_exists (source, NULL)) { - g_object_unref (source); - return NULL; - } - - backup_path = g_strdup_printf ("%s.bak", target); - backup = g_file_new_for_path (backup_path); - - if (!g_file_copy (source, backup, G_FILE_COPY_OVERWRITE, NULL, NULL, NULL, &error)) { - nm_log_warn (LOGD_SETTINGS, "Backup failed: %s", error->message); - g_free (backup_path); - backup_path = NULL; - g_error_free (error); - } - - g_object_unref (source); - g_object_unref (backup); - - return backup_path; -} |