diff options
Diffstat (limited to 'src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c')
| -rw-r--r-- | src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c | 584 |
1 files changed, 0 insertions, 584 deletions
diff --git a/src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c b/src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c deleted file mode 100644 index 2b62e886..00000000 --- a/src/settings/plugins/ifnet/nms-ifnet-wpa-parser.c +++ /dev/null @@ -1,584 +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-wpa-parser.h" - -#include <string.h> -#include <stdlib.h> - -#include "nm-utils/nm-hash-utils.h" -#include "settings/nm-settings-plugin.h" - -#include "nms-ifnet-net-parser.h" -#include "nms-ifnet-net-utils.h" - -/* Security information */ -static GHashTable *wsec_table = NULL; - -/* Global information used for writing */ -static GHashTable *wsec_global_table = NULL; - -static gboolean wpa_parser_data_changed = FALSE; - -static long -wpa_get_long (GHashTable *table, const char *key) -{ - return atol (g_hash_table_lookup (table, key)); -} - -static void -destroy_security (GHashTable * network) -{ - gpointer key, value; - GHashTableIter iter; - - g_return_if_fail (network); - g_hash_table_iter_init (&iter, network); - while (g_hash_table_iter_next (&iter, &key, &value)) { - g_free (key); - g_free (value); - } - - g_hash_table_destroy (network); -} - -static GHashTable * -add_security (GHashTable *security) -{ - GHashTable *oldsecurity; - const char *ssid, *value; - char *ssid_key; - gboolean is_hex_ssid; - - /* Every security information should have a ssid */ - ssid = g_hash_table_lookup (security, "ssid"); - if (!ssid) { - destroy_security (security); - return NULL; - } - - /* Hex format begins with " */ - is_hex_ssid = (ssid[0] != '"'); - if ((value = g_hash_table_lookup (security, "disabled")) != NULL) { - if (strcmp (value, "1") == 0) { - destroy_security (security); - return NULL; - } - } - - /* Default priority is 1 */ - if (g_hash_table_lookup (security, "priority") == NULL) - g_hash_table_insert (security, g_strdup ("priority"), - g_strdup ("1")); - - oldsecurity = g_hash_table_lookup (wsec_table, ssid); - /* Security with lower priority will be ignored */ - if (oldsecurity != NULL) { - if (wpa_get_long (oldsecurity, "priority") >= - wpa_get_long (security, "priority")) { - destroy_security (security); - return NULL; - } else { - g_hash_table_remove (wsec_table, ssid); - destroy_security (oldsecurity); - } - } - - /* format ssid */ - ssid_key = - is_hex_ssid ? g_strdup_printf ("0x%s", - ssid) : - strip_string (g_strdup (ssid), '"'); - g_hash_table_insert (wsec_table, ssid_key, security); - return security; -} - -static void -add_key_value (GHashTable * network, gchar * line) -{ - gpointer orig_key, orig_value; - gchar **key_value; - - if (g_str_has_prefix (line, "network={")) - line += 9; - strip_string (line, '{'); - strip_string (line, '}'); - if (line[0] == '\0') - return; - key_value = g_strsplit (line, "=", 2); - if (g_strv_length (key_value) != 2) { - g_strfreev (key_value); - return; - } - g_strstrip (key_value[0]); - g_strstrip (key_value[1]); - - /* Reserve quotes for psk, wep_key, ssid - * Quotes will determine whether they are hex format */ - if (strcmp (key_value[0], "psk") != 0 - && !g_str_has_prefix (key_value[0], "wep_key") - && strcmp (key_value[0], "ssid") != 0) - strip_string (key_value[1], '"'); - - /* This sucks */ - if (g_hash_table_lookup_extended (network, key_value[0], &orig_key, &orig_value)) { - g_hash_table_remove (network, orig_key); - g_free (orig_key); - g_free (orig_value); - } - - g_hash_table_insert (network, g_strdup (key_value[0]), - g_strdup (key_value[1])); - g_strfreev (key_value); -} - -static void -add_one_wep_key (GHashTable * table, int key_num, gchar * one_wep_key) -{ - if (one_wep_key[0] == 's') { - //asc key - g_hash_table_insert (table, - g_strdup_printf ("wep_key%d", key_num - 1), - g_strdup_printf ("\"%s\"", - one_wep_key + 2)); - } else { - gchar buf[30]; - int i = 0, j = 0; - - //hex key - while (one_wep_key[i] != '\0') { - if (one_wep_key[i] != '-') - buf[j++] = one_wep_key[i]; - i++; - } - buf[j] = '\0'; - g_hash_table_insert (table, - g_strdup_printf ("wep_key%d", key_num - 1), - g_strdup (buf)); - - } -} - -/* Reading wep security information from /etc/conf.d/net. - * This should not be used in future, use wpa_supplicant instead. */ -static void -add_keys_from_net (void) -{ - GList *names = ifnet_get_connection_names (); - GList *iter = names; - gchar *wep_keys = "(\\[([1-4])\\]\\s+(s:\\w{5}|s:\\w{13}|" - "([\\da-fA-F]{4}\\-){2}[\\da-fA-F]{2}|" - "([\\da-fA-F]{4}\\-){6}[\\da-fA-F]{2})\\s+)"; - gchar *key_method = - "\\s+key\\s+\\[([1-4])\\]\\s+enc\\s+(open|restricted)"; - GRegex *regex_keys = g_regex_new (wep_keys, 0, 0, NULL); - GRegex *regex_method = g_regex_new (key_method, 0, 0, NULL); - GMatchInfo *keys_info; - GMatchInfo *method_info; - - while (iter) { - gchar *conn_name = iter->data; - GHashTable *table; - const char *key_str; - - if ((key_str = ifnet_get_data (conn_name, "key")) == NULL) { - iter = g_list_next (iter); - continue; - } - - wpa_add_security (conn_name); - table = _get_hash_table (conn_name); - /* Give lowest priority */ - wpa_set_data (conn_name, "priority", "0"); - g_regex_match (regex_keys, key_str, 0, &keys_info); - /* add wep keys */ - while (g_match_info_matches (keys_info)) { - gchar *key_num = g_match_info_fetch (keys_info, 2); - gchar *one_wep_key = g_match_info_fetch (keys_info, 3); - - add_one_wep_key (table, atoi (key_num), one_wep_key); - g_free (key_num); - g_free (one_wep_key); - g_match_info_next (keys_info, NULL); - } - g_match_info_free (keys_info); - - g_regex_match (regex_method, key_str, 0, &method_info); - /* set default key index and auth alg */ - if (g_match_info_matches (method_info)) { - gchar *default_idx = - g_match_info_fetch (method_info, 1); - gchar *method = g_match_info_fetch (method_info, 2); - - default_idx[0]--; - g_hash_table_insert (table, g_strdup ("wep_tx_keyidx"), - default_idx); - g_hash_table_insert (table, g_strdup ("auth_alg"), - g_ascii_strup (method, -1)); - } - g_match_info_free (method_info); - add_security (table); - iter = g_list_next (iter); - } - g_list_free (names); - g_regex_unref (regex_keys); - g_regex_unref (regex_method); -} - -static void -add_global_data (gchar * line) -{ - gchar **key_value; - - g_strstrip (line); - key_value = g_strsplit (line, "=", 2); - if (g_strv_length (key_value) != 2) { - nm_log_warn (LOGD_SETTINGS, "Can't handle this line: %s\n", line); - g_strfreev (key_value); - return; - } - g_hash_table_insert (wsec_global_table, - g_strdup (g_strstrip (key_value[0])), - g_strdup (g_strstrip (key_value[1]))); - g_strfreev (key_value); -} - -void -wpa_parser_init (const char *wpa_supplicant_conf) -{ - GIOChannel *channel = NULL; - gchar *line; - gboolean complete = FALSE; - - wpa_parser_data_changed = FALSE; - wsec_table = g_hash_table_new (nm_str_hash, g_str_equal); - wsec_global_table = g_hash_table_new (nm_str_hash, g_str_equal); - - if (g_file_test (wpa_supplicant_conf, G_FILE_TEST_IS_REGULAR)) - channel = - g_io_channel_new_file (wpa_supplicant_conf, "r", NULL); - if (channel == NULL) { - nm_log_warn (LOGD_SETTINGS, "Can't open %s for wireless security", - wpa_supplicant_conf); - return; - } - - while (g_io_channel_read_line (channel, &line, NULL, NULL, NULL) - != G_IO_STATUS_EOF) { - g_strstrip (line); - if (line[0] != '#' && line[0] != '\0') { - if (strstr (line, "network={") == NULL) { - add_global_data (line); - g_free (line); - continue; - } else { - GHashTable *network = - g_hash_table_new (nm_str_hash, g_str_equal); - - do { - gchar *quote_start, *quote_end = NULL, *comment; - - if (line[0] == '#' || line[0] == '\0') { - g_free (line); - continue; - } - /* ignore inline comments unless inside - a double-quoted string */ - if ((quote_start = strchr (line, '"')) != NULL) - quote_end = strrchr (quote_start + 1, '"'); - if ((comment = strchr ((quote_end != NULL) ? - quote_end : line, '#')) != NULL) - *comment = '\0'; - if (strstr (line, "}") != NULL) - complete = TRUE; - add_key_value (network, line); - g_free (line); - } while (complete == FALSE - && - g_io_channel_read_line - (channel, &line, NULL, - NULL, NULL) != G_IO_STATUS_EOF); - add_security (network); - //EOF in inner loop - if (complete == FALSE) { - g_free (line); - break; - } - complete = FALSE; - } - } else - g_free (line); - } - - g_io_channel_shutdown (channel, FALSE, NULL); - g_io_channel_unref (channel); - - add_keys_from_net (); -} - -const char * -wpa_get_value (const char *ssid, const char *key) -{ - GHashTable *target = g_hash_table_lookup (wsec_table, ssid); - - if (target) - return g_hash_table_lookup (target, key); - return NULL; -} - -gboolean -exist_ssid (const char *ssid) -{ - return g_hash_table_lookup (wsec_table, ssid) != NULL; -} - -GHashTable * -_get_hash_table (const char *ssid) -{ - return g_hash_table_lookup (wsec_table, ssid); -} - -static gchar *quoted_keys[] = - { "identity", "cert", "private", "phase", "password", NULL }; - -/* tell whether the key needs quotes when writing is performed */ -static gboolean -need_quote (gchar * key) -{ - int i = 0; - - while (quoted_keys[i] != NULL) { - if (strstr (key, quoted_keys[i])) - return TRUE; - i++; - } - return FALSE; -} - -gboolean -wpa_flush_to_file (const char *config_file) -{ - GIOChannel *channel; - GError *error = NULL; - gpointer key, value, ssid, security; - GHashTableIter iter, iter_security; - gchar *out_line; - gsize bytes_written; - gboolean result = FALSE; - - if (!wpa_parser_data_changed) - return TRUE; - if (!wsec_table || !wsec_global_table) - return FALSE; - - backup_file (config_file); - - channel = g_io_channel_new_file (config_file, "w", NULL); - if (!channel) { - nm_log_warn (LOGD_SETTINGS, "Can't open file %s for writing", config_file); - return FALSE; - } - g_hash_table_iter_init (&iter, wsec_global_table); - nm_log_info (LOGD_SETTINGS, "Writing to %s", config_file); - g_io_channel_write_chars (channel, - "#Generated by NetworkManager\n" - "###### Global Configuration ######\n", - -1, &bytes_written, &error); - if (error) - goto done; - - /* Writing global information */ - while (g_hash_table_iter_next (&iter, &key, &value)) { - out_line = - g_strdup_printf ("%s=%s\n", (gchar *) key, (gchar *) value); - g_io_channel_write_chars (channel, out_line, -1, &bytes_written, - &error); - if (bytes_written == 0 || error) - break; - g_free (out_line); - } - if (error) - goto done; - g_io_channel_write_chars (channel, - "\n###### Security Configuration ######\n", - -1, &bytes_written, &error); - if (error) - goto done; - - g_hash_table_iter_init (&iter, wsec_table); - /* Writing security */ - while (g_hash_table_iter_next (&iter, &ssid, &security)) { - g_hash_table_iter_init (&iter_security, - (GHashTable *) security); - g_io_channel_write_chars (channel, "network={\n", -1, - &bytes_written, &error); - if (error) - goto done; - while (g_hash_table_iter_next (&iter_security, &key, &value)) { - out_line = - g_strdup_printf (need_quote ((gchar *) key) ? - "\t%s=\"%s\"\n" : "\t%s=%s\n", - (gchar *) key, (gchar *) value); - g_io_channel_write_chars (channel, out_line, -1, - &bytes_written, &error); - if (bytes_written == 0 || error) - goto done; - g_free (out_line); - } - g_io_channel_write_chars (channel, "}\n\n", -1, &bytes_written, &error); - - } - g_io_channel_flush (channel, &error); - if (error) - goto done; - - wpa_parser_data_changed = FALSE; - result = TRUE; -done: - if (error) { - nm_log_warn (LOGD_SETTINGS, "Error writing WPA configuration: %s", error->message); - g_error_free (error); - } - g_io_channel_shutdown (channel, FALSE, NULL); - g_io_channel_unref (channel); - return result; -} - -/* If value is NULL, this method will delete old key value pair */ -void -wpa_set_data (const char *ssid, const char *key, const char *value) -{ - gpointer old_key = NULL, old_value = NULL; - GHashTable *security = g_hash_table_lookup (wsec_table, ssid); - gchar * stripped = NULL; - - g_return_if_fail (security != NULL); - - if (value){ - stripped = g_strdup(value); - if (strcmp (key, "ssid") != 0 && strcmp (key, "psk") != 0 - && !g_str_has_prefix (key, "wep_key")) - strip_string (stripped, '"'); - } - - /* Remove old key value pairs */ - if (g_hash_table_lookup_extended - (security, key, &old_key, &old_value)) { - if (stripped && !strcmp(old_value, stripped)){ - g_free (stripped); - return; - } - g_hash_table_remove (security, old_key); - g_free (old_key); - g_free (old_value); - } else if (!value) - return; - - /* Add new key value */ - if (stripped) - g_hash_table_insert (security, g_strdup (key), stripped); - wpa_parser_data_changed = TRUE; -} - -gboolean -wpa_has_security (const char *ssid) -{ - return g_hash_table_lookup (wsec_table, ssid) != NULL; -} - -gboolean -wpa_add_security (const char *ssid) -{ - if (wpa_has_security (ssid)) - return TRUE; - else { - GHashTable *security = - g_hash_table_new (nm_str_hash, g_str_equal); - gchar *ssid_i; - - nm_log_info (LOGD_SETTINGS, "Adding security for %s", ssid); - if (g_str_has_prefix (ssid, "0x")) { - /* hex ssid */ - ssid_i = g_strdup (ssid + 2); - } else { - /* ascii ssid requires quotes */ - ssid_i = g_strdup_printf ("\"%s\"", ssid); - } - g_hash_table_insert (security, strdup ("ssid"), ssid_i); - g_hash_table_insert (security, strdup ("priority"), - strdup ("1")); - g_hash_table_insert (wsec_table, g_strdup (ssid), security); - wpa_parser_data_changed = TRUE; - return TRUE; - } -} - -gboolean -wpa_delete_security (const char *ssid) -{ - gpointer old_key, old_value; - - g_return_val_if_fail (wsec_table != NULL && ssid != NULL, FALSE); - nm_log_info (LOGD_SETTINGS, "Deleting security for %s", ssid); - if (!g_hash_table_lookup_extended - (wsec_table, ssid, &old_key, &old_value)) - return FALSE; - g_hash_table_remove (wsec_table, old_key); - g_free (old_key); - destroy_security ((GHashTable *) old_value); - wpa_parser_data_changed = TRUE; - return TRUE; - -} - -void -wpa_parser_destroy (void) -{ - GHashTableIter iter; - gpointer key; - gpointer value; - - /* Destroy security */ - if (wsec_table) { - g_hash_table_iter_init (&iter, wsec_table); - while (g_hash_table_iter_next (&iter, &key, &value)) { - destroy_security ((GHashTable *) value); - g_free (key); - } - - g_hash_table_destroy (wsec_table); - wsec_table = NULL; - } - - /* Destroy global data */ - if (wsec_global_table) { - g_hash_table_iter_init (&iter, wsec_global_table); - while (g_hash_table_iter_next (&iter, &key, &value)) { - g_free (key); - g_free (value); - } - - g_hash_table_destroy (wsec_global_table); - wsec_global_table = NULL; - } -} |