diff options
Diffstat (limited to 'system-settings/plugins/ifupdown/parser.c')
| -rw-r--r-- | system-settings/plugins/ifupdown/parser.c | 577 |
1 files changed, 0 insertions, 577 deletions
diff --git a/system-settings/plugins/ifupdown/parser.c b/system-settings/plugins/ifupdown/parser.c deleted file mode 100644 index dc2f8abf..00000000 --- a/system-settings/plugins/ifupdown/parser.c +++ /dev/null @@ -1,577 +0,0 @@ -/* -*- Mode: C; tab-width: 5; indent-tabs-mode: t; c-basic-offset: 5 -*- */ - -/* NetworkManager system settings service (ifupdown) - * - * Alexander Sack <asac@ubuntu.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. - * - * (C) Copyright 2008 Canonical Ltd. - */ - -#include <string.h> -#include <arpa/inet.h> -#include <stdlib.h> -#include <errno.h> - -#include <nm-connection.h> -#include <NetworkManager.h> -#include <nm-setting-connection.h> -#include <nm-setting-ip4-config.h> -#include <nm-setting-ppp.h> -#include <nm-setting-wired.h> -#include <nm-setting-wireless.h> -#include <nm-setting-8021x.h> -#include <nm-system-config-interface.h> -#include <nm-utils.h> - -#include "parser.h" -#include "plugin.h" - - -#define WPA_PMK_LEN 32 - -#include "parser.h" - -static const gchar* -_ifupdownplugin_guess_connection_type (if_block *block) -{ - if_data *curr = block->info; - const gchar* ret_type = NULL; - const gchar* value = ifparser_getkey(block, "inet"); - if(value && !strcmp("ppp", value)) { - ret_type = NM_SETTING_PPP_SETTING_NAME; - } - - while(!ret_type && curr) { - if(!strncmp("wireless-", curr->key, strlen("wireless-")) || - !strncmp("wpa-", curr->key, strlen("wpa-"))) { - ret_type = NM_SETTING_WIRELESS_SETTING_NAME; - } - curr = curr->next; - } - - if(!ret_type) - ret_type = NM_SETTING_WIRED_SETTING_NAME; - - PLUGIN_PRINT("SCPluginIfupdown", - "guessed connection type (%s) = %s", - block->name, ret_type); - return ret_type; -} - - -struct _Mapping { - const gchar *domain; - const gpointer target; -}; - -static gpointer -map_by_mapping(struct _Mapping *mapping, const gchar *key) -{ - struct _Mapping *curr = mapping; - while(curr->domain) { - if(!strcmp(curr->domain, key)) - return curr->target; - curr++; - } - return NULL; -} - -static void -update_wireless_setting_from_if_block(NMConnection *connection, - if_block *block) -{ - gint wpa_l= strlen("wpa-"); - gint wireless_l= strlen("wireless-"); - - if_data *curr = block->info; - const gchar* value = ifparser_getkey (block, "inet"); - struct _Mapping mapping[] = { - {"ssid", "ssid"}, - { NULL, NULL} - }; - - NMSettingWireless *wireless_setting = NULL; - - if(value && !strcmp("ppp", value)) { - return; - } - - PLUGIN_PRINT ("SCPlugin-Ifupdown", "update wireless settings (%s).", block->name); - wireless_setting = NM_SETTING_WIRELESS(nm_setting_wireless_new()); - - while(curr) { - if(strlen(curr->key) > wireless_l && - !strncmp("wireless-", curr->key, wireless_l)) { - const gchar* newkey = map_by_mapping(mapping, curr->key+wireless_l); - PLUGIN_PRINT ("SCPlugin-Ifupdown", "wireless setting key: %s='%s'", - newkey, curr->data); - if(newkey && !strcmp("ssid", newkey)) { - GByteArray *ssid; - gint len = strlen(curr->data); - - ssid = g_byte_array_sized_new (len); - g_byte_array_append (ssid, (const guint8 *) curr->data, len); - g_object_set (wireless_setting, NM_SETTING_WIRELESS_SSID, ssid, NULL); - g_byte_array_free (ssid, TRUE); - PLUGIN_PRINT("SCPlugin-Ifupdown", "setting wireless ssid = %d", len); - } else { - g_object_set(wireless_setting, - newkey, curr->data, - NULL); - } - } else if(strlen(curr->key) > wpa_l && - !strncmp("wpa-", curr->key, wpa_l)) { - const gchar* newkey = map_by_mapping(mapping, curr->key+wpa_l); - - if(newkey && !strcmp("ssid", newkey)) { - GByteArray *ssid; - gint len = strlen(curr->data); - - ssid = g_byte_array_sized_new (len); - g_byte_array_append (ssid, (const guint8 *) curr->data, len); - g_object_set (wireless_setting, NM_SETTING_WIRELESS_SSID, ssid, NULL); - g_byte_array_free (ssid, TRUE); - PLUGIN_PRINT("SCPlugin-Ifupdown", "setting wpa ssid = %d", len); - } else if(newkey) { - - g_object_set(wireless_setting, - newkey, curr->data, - NULL); - PLUGIN_PRINT ("SCPlugin-Ifupdown", "setting wpa newkey(%s)=data(%s)", newkey, curr->data); - } - } - curr = curr->next; - } - nm_connection_add_setting(connection, (NMSetting*) wireless_setting); -} - -typedef gchar* (*IfupdownStrDupeFunc) (gpointer value, gpointer data); -typedef gpointer (*IfupdownStrToTypeFunc) (const gchar* value); - -static char* -normalize_dupe_wireless_key (gpointer value, gpointer data) { - char* valuec = value; - char* endc = valuec + strlen (valuec); - char* delim = valuec; - char* next = delim; - char* result = malloc (strlen (valuec) + 1); - char* result_cur = result; - - while (*delim && (next = strchr (delim, '-')) != NULL) { - if (next == delim) { - delim++; - continue; - } - strncpy (result_cur, delim, next - delim); - result_cur += next - delim; - delim = next + 1; - } - if (*delim && strlen (valuec) > GPOINTER_TO_UINT(delim - valuec)) { - strncpy (result_cur, delim, endc - delim); - result_cur += endc - delim; - } - *result_cur = '\0'; - return result; -} - -static char* -normalize_dupe (gpointer value, gpointer data) { - return g_strdup(value); -} - -static char* -normalize_tolower (gpointer value, gpointer data) { - return g_ascii_strdown(value, -1); -} - -static char *normalize_psk (gpointer value, gpointer data) -{ - if (strlen (value) >= 8 && strlen (value) <= 64) - return g_strdup (value); - return NULL; -} - -static gpointer -string_to_gpointerint(const gchar* data) -{ - gint result = (gint) strtol (data, NULL, 10); - return GINT_TO_POINTER(result); -} - -static gpointer -string_to_glist_of_strings(const gchar* data) -{ - GSList *ret = NULL; - gchar *string = (gchar*) data; - while(string) { - gchar* next = NULL; - if( (next = strchr(string, ' ')) || - (next = strchr(string, '\t')) || - (next = strchr(string, '\0')) ) { - - gchar *part = g_strndup(string, (next - string)); - ret = g_slist_append(ret, part); - if (*next) - string = next+1; - else - string = NULL; - } else { - string = NULL; - } - } - return ret; -} - -static void -slist_free_all(gpointer slist) -{ - GSList *list = (GSList *) slist; - g_slist_foreach (list, (GFunc) g_free, NULL); - g_slist_free (list); -} - -static void -update_wireless_security_setting_from_if_block(NMConnection *connection, - if_block *block) -{ - gint wpa_l= strlen("wpa-"); - gint wireless_l= strlen("wireless-"); - if_data *curr = block->info; - const gchar* value = ifparser_getkey (block, "inet"); - struct _Mapping mapping[] = { - {"psk", "psk"}, - {"identity", "leap-username"}, - {"password", "leap-password"}, - {"key", "wep-key0"}, - {"key-mgmt", "key-mgmt"}, - {"group", "group"}, - {"pairwise", "pairwise"}, - {"proto", "proto"}, - {"pin", "pin"}, - {"wep-key0", "wep-key0"}, - {"wep-key1", "wep-key1"}, - {"wep-key2", "wep-key2"}, - {"wep-key3", "wep-key3"}, - {"wep-tx-keyidx", "wep-tx-keyidx"}, - { NULL, NULL} - }; - - struct _Mapping dupe_mapping[] = { - {"psk", normalize_psk}, - {"identity", normalize_dupe}, - {"password", normalize_dupe}, - {"key", normalize_dupe_wireless_key}, - {"key-mgmt", normalize_tolower}, - {"group", normalize_tolower}, - {"pairwise", normalize_tolower}, - {"proto", normalize_tolower}, - {"pin", normalize_dupe}, - {"wep-key0", normalize_dupe_wireless_key}, - {"wep-key1", normalize_dupe_wireless_key}, - {"wep-key2", normalize_dupe_wireless_key}, - {"wep-key3", normalize_dupe_wireless_key}, - {"wep-tx-keyidx", normalize_dupe}, - { NULL, NULL} - }; - - struct _Mapping type_mapping[] = { - {"group", string_to_glist_of_strings}, - {"pairwise", string_to_glist_of_strings}, - {"proto", string_to_glist_of_strings}, - {"wep-tx-keyidx", string_to_gpointerint}, - { NULL, NULL} - }; - - struct _Mapping free_type_mapping[] = { - {"group", slist_free_all}, - {"pairwise", slist_free_all}, - {"proto", slist_free_all}, - { NULL, NULL} - }; - - NMSettingWirelessSecurity *wireless_security_setting; - NMSettingWireless *s_wireless; - gboolean security = FALSE; - - if(value && !strcmp("ppp", value)) { - return; - } - - s_wireless = NM_SETTING_WIRELESS(nm_connection_get_setting(connection, - NM_TYPE_SETTING_WIRELESS)); - g_return_if_fail(s_wireless); - - PLUGIN_PRINT ("SCPlugin-Ifupdown","update wireless security settings (%s).", block->name); - wireless_security_setting = - NM_SETTING_WIRELESS_SECURITY(nm_setting_wireless_security_new()); - - while(curr) { - if(strlen(curr->key) > wireless_l && - !strncmp("wireless-", curr->key, wireless_l)) { - - gchar *property_value = NULL; - gpointer typed_property_value = NULL; - const gchar* newkey = map_by_mapping(mapping, curr->key+wireless_l); - IfupdownStrDupeFunc dupe_func = map_by_mapping (dupe_mapping, curr->key+wireless_l); - IfupdownStrToTypeFunc type_map_func = map_by_mapping (type_mapping, curr->key+wireless_l); - GFreeFunc free_func = map_by_mapping (free_type_mapping, curr->key+wireless_l); - if(!newkey || !dupe_func) { - g_warning("no (wireless) mapping found for key: %s", curr->key); - goto next; - } - property_value = (*dupe_func) (curr->data, connection); - PLUGIN_PRINT ("SCPlugin-Ifupdown", "setting wireless security key: %s=%s", - newkey, property_value); - - if (type_map_func) { - errno = 0; - typed_property_value = (*type_map_func) (property_value); - if(errno) - goto wireless_next; - } - - g_object_set(wireless_security_setting, - newkey, typed_property_value ? typed_property_value : property_value, - NULL); - security = TRUE; - - wireless_next: - g_free(property_value); - if (typed_property_value && free_func) - (*free_func) (typed_property_value); - - } else if(strlen(curr->key) > wpa_l && - !strncmp("wpa-", curr->key, wpa_l)) { - - gchar *property_value = NULL; - gpointer typed_property_value = NULL; - const gchar* newkey = map_by_mapping(mapping, curr->key+wpa_l); - IfupdownStrDupeFunc dupe_func = map_by_mapping (dupe_mapping, curr->key+wpa_l); - IfupdownStrToTypeFunc type_map_func = map_by_mapping (type_mapping, curr->key+wpa_l); - GFreeFunc free_func = map_by_mapping (free_type_mapping, curr->key+wpa_l); - if(!newkey || !dupe_func) { - goto next; - } - property_value = (*dupe_func) (curr->data, connection); - PLUGIN_PRINT ("SCPlugin-Ifupdown", "setting wpa security key: %s=%s", - newkey, -#ifdef DEBUG_SECRETS - property_value -#else // DEBUG_SECRETS - !strcmp("key", newkey) || - !strcmp("leap-password", newkey) || - !strcmp("pin", newkey) || - !strcmp("psk", newkey) || - !strcmp("wep-key0", newkey) || - !strcmp("wep-key1", newkey) || - !strcmp("wep-key2", newkey) || - !strcmp("wep-key3", newkey) || - NULL ? - "<omitted>" : property_value -#endif // DEBUG_SECRETS - ); - - if (type_map_func) { - errno = 0; - typed_property_value = (*type_map_func) (property_value); - if(errno) - goto wpa_next; - } - - g_object_set(wireless_security_setting, - newkey, typed_property_value ? typed_property_value : property_value, - NULL); - security = TRUE; - - wpa_next: - g_free(property_value); - if (free_func && typed_property_value) - (*free_func) (typed_property_value); - } - next: - curr = curr->next; - } - - - if(security) { - nm_connection_add_setting(connection, NM_SETTING(wireless_security_setting)); - g_object_set(s_wireless, NM_SETTING_WIRELESS_SEC, NM_SETTING_WIRELESS_SECURITY_SETTING_NAME, NULL); - } - -} - -static void -update_wired_setting_from_if_block(NMConnection *connection, - if_block *block) -{ - NMSettingWired *s_wired = NULL; - s_wired = NM_SETTING_WIRED(nm_setting_wired_new()); - nm_connection_add_setting(connection, NM_SETTING(s_wired)); -} - -static GQuark -eni_plugin_error_quark() { - static GQuark error_quark = 0; - - if(!error_quark) { - error_quark = g_quark_from_static_string ("eni-plugin-error-quark"); - } - - return error_quark; -} - - -static void -update_ip4_setting_from_if_block(NMConnection *connection, - if_block *block) -{ - - NMSettingIP4Config *ip4_setting = NM_SETTING_IP4_CONFIG (nm_setting_ip4_config_new()); - const char *type = ifparser_getkey(block, "inet"); - gboolean is_static = type && !strcmp("static", type); - - if(!is_static) { - g_object_set(ip4_setting, - NM_SETTING_IP4_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_AUTO, - NULL); - } else { - struct in_addr tmp_ip4_addr; - NMIP4Address *ip4_addr = nm_ip4_address_new (); - - const char *address_v = ifparser_getkey(block, "address"); - const char *netmask_v = ifparser_getkey(block, "netmask"); - const char *gateway_v = ifparser_getkey(block, "gateway"); - const char *nameserver_v = ifparser_getkey(block, "dns-nameserver"); - const char *nameservers_v = ifparser_getkey(block, "dns-nameservers"); - GSList* nameservers_list = NULL; - GSList* nameservers_list_i = NULL; - GError *error = NULL; - - if(nameservers_v) - nameservers_list_i = nameservers_list = string_to_glist_of_strings (nameservers_v); - if(nameserver_v) - nameservers_list_i = nameservers_list = g_slist_append(nameservers_list, g_strdup(nameserver_v)); - - if (!address_v) - address_v = g_strdup ("0.0.0.0"); - - if (inet_pton (AF_INET, address_v, &tmp_ip4_addr)) - nm_ip4_address_set_address (ip4_addr, tmp_ip4_addr.s_addr); - else - g_set_error (&error, eni_plugin_error_quark (), 0, - "Invalid %s IP4 address '%s'", "address", address_v); - if (!netmask_v) - netmask_v = g_strdup( "255.255.255.255"); - - if (inet_pton (AF_INET, netmask_v, &tmp_ip4_addr)) - nm_ip4_address_set_prefix (ip4_addr, nm_utils_ip4_netmask_to_prefix(tmp_ip4_addr.s_addr)); - else - g_set_error (&error, eni_plugin_error_quark (), 0, - "Invalid %s IP4 address '%s'", "netmask", netmask_v); - - if (!gateway_v) - gateway_v = g_strdup (address_v); - - if (inet_pton (AF_INET, gateway_v, &tmp_ip4_addr)) - nm_ip4_address_set_gateway (ip4_addr, tmp_ip4_addr.s_addr); - else - g_set_error (&error, eni_plugin_error_quark (), 0, - "Invalid %s IP4 address '%s'", "gateway", gateway_v); - - if (nm_setting_ip4_config_add_address (ip4_setting, ip4_addr)) { - PLUGIN_PRINT("SCPlugin-Ifupdown", "addresses count: %d", - nm_setting_ip4_config_get_num_addresses (ip4_setting)); - } else { - PLUGIN_PRINT("SCPlugin-Ifupdown", "ignoring duplicate IP4 address"); - } - - while(nameservers_list_i) { - gchar *dns = nameservers_list_i->data; - nameservers_list_i = nameservers_list_i -> next; - if(!dns) - continue; - if (inet_pton (AF_INET, dns, &tmp_ip4_addr)) { - if (!nm_setting_ip4_config_add_dns (ip4_setting, tmp_ip4_addr.s_addr)) - PLUGIN_PRINT("SCPlugin-Ifupdown", "ignoring duplicate DNS server '%s'", dns); - } else - g_set_error (&error, eni_plugin_error_quark (), 0, - "Invalid %s IP4 address nameserver '%s'", "nameserver", dns); - } - if (!nm_setting_ip4_config_get_num_dns (ip4_setting)) - PLUGIN_PRINT("SCPlugin-Ifupdown", "No dns-nameserver configured in /etc/network/interfaces"); - - g_object_set(ip4_setting, - NM_SETTING_IP4_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_MANUAL, - NULL); - - g_slist_foreach (nameservers_list, (GFunc) g_free, NULL); - g_slist_free (nameservers_list); - } - - nm_connection_add_setting(connection, NM_SETTING(ip4_setting)); -} - -gboolean -ifupdown_update_connection_from_if_block (NMConnection *connection, - if_block *block, - GError **error) -{ - const char *type = NULL; - char *idstr = NULL; - char *uuid_base = NULL; - char *uuid = NULL; - NMSettingConnection *s_con; - gboolean success = FALSE; - - s_con = (NMSettingConnection *) nm_connection_get_setting (connection, NM_TYPE_SETTING_CONNECTION); - if(!s_con) { - s_con = NM_SETTING_CONNECTION (nm_setting_connection_new()); - g_assert (s_con); - nm_connection_add_setting (connection, NM_SETTING (s_con)); - } - - type = _ifupdownplugin_guess_connection_type (block); - idstr = g_strconcat ("Ifupdown (", block->name, ")", NULL); - uuid_base = idstr; - - uuid = nm_utils_uuid_generate_from_string (uuid_base); - g_object_set (s_con, - NM_SETTING_CONNECTION_TYPE, type, - NM_SETTING_CONNECTION_ID, idstr, - NM_SETTING_CONNECTION_UUID, uuid, - NM_SETTING_CONNECTION_READ_ONLY, TRUE, - NM_SETTING_CONNECTION_AUTOCONNECT, FALSE, - NULL); - g_free (uuid); - - PLUGIN_PRINT("SCPlugin-Ifupdown", "update_connection_setting_from_if_block: name:%s, type:%s, id:%s, uuid: %s", - block->name, type, idstr, nm_setting_connection_get_uuid (s_con)); - - if (!strcmp (NM_SETTING_WIRED_SETTING_NAME, type)) - update_wired_setting_from_if_block (connection, block); - else if (!strcmp (NM_SETTING_WIRELESS_SETTING_NAME, type)) { - update_wireless_setting_from_if_block (connection, block); - update_wireless_security_setting_from_if_block (connection, block); - } - - update_ip4_setting_from_if_block (connection, block); - - success = nm_connection_verify (connection, error); - - g_free (idstr); - return success; -} |