diff options
Diffstat (limited to 'src/settings/plugins/ifupdown/nms-ifupdown-parser.c')
| -rw-r--r-- | src/settings/plugins/ifupdown/nms-ifupdown-parser.c | 686 |
1 files changed, 0 insertions, 686 deletions
diff --git a/src/settings/plugins/ifupdown/nms-ifupdown-parser.c b/src/settings/plugins/ifupdown/nms-ifupdown-parser.c deleted file mode 100644 index 0e01d6c5..00000000 --- a/src/settings/plugins/ifupdown/nms-ifupdown-parser.c +++ /dev/null @@ -1,686 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Alexander Sack <asac@ubuntu.com> - * Copyright (C) 2008 Canonical Ltd. - */ - -#include "nm-default.h" - -#include "nms-ifupdown-parser.h" - -#include <arpa/inet.h> -#include <stdlib.h> -#include <ctype.h> - -#include "nm-core-internal.h" -#include "settings/nm-settings-plugin.h" - -#include "nms-ifupdown-plugin.h" -#include "nms-ifupdown-parser.h" - -/*****************************************************************************/ - -#define _NMLOG_PREFIX_NAME "ifupdown" -#define _NMLOG_DOMAIN LOGD_SETTINGS -#define _NMLOG(level, ...) \ - nm_log((level), \ - _NMLOG_DOMAIN, \ - NULL, \ - NULL, \ - "%s" _NM_UTILS_MACRO_FIRST(__VA_ARGS__), \ - _NMLOG_PREFIX_NAME ": " _NM_UTILS_MACRO_REST(__VA_ARGS__)) - -/*****************************************************************************/ - -#define _str_has_prefix(val, prefix, require_suffix) \ - ({ \ - const char *_val = (val); \ - \ - (strncmp(_val, "" prefix "", NM_STRLEN(prefix)) == 0) \ - && (!(require_suffix) || _val[NM_STRLEN(prefix)] != '\0'); \ - }) - -static const char * -_ifupdownplugin_guess_connection_type(if_block *block) -{ - const char *ret_type = NULL; - - if (nm_streq0(ifparser_getkey(block, "inet"), "ppp")) - ret_type = NM_SETTING_PPP_SETTING_NAME; - else { - if_data *ifb; - - c_list_for_each_entry (ifb, &block->data_lst_head, data_lst) { - if (_str_has_prefix(ifb->key, "wireless-", FALSE) - || _str_has_prefix(ifb->key, "wpa-", FALSE)) { - ret_type = NM_SETTING_WIRELESS_SETTING_NAME; - break; - } - } - if (!ret_type) - ret_type = NM_SETTING_WIRED_SETTING_NAME; - } - - _LOGI("guessed connection type (%s) = %s", block->name, ret_type); - return ret_type; -} - -struct _Mapping { - const char * domain; - const gpointer target; -}; - -static gpointer -map_by_mapping(struct _Mapping *mapping, const char *key) -{ - struct _Mapping *curr = mapping; - - while (curr->domain) { - if (nm_streq(curr->domain, key)) - return curr->target; - curr++; - } - return NULL; -} - -static void -update_wireless_setting_from_if_block(NMConnection *connection, if_block *block) -{ - if_data * curr; - const char * value = ifparser_getkey(block, "inet"); - struct _Mapping mapping[] = {{"ssid", "ssid"}, - {"essid", "ssid"}, - {"mode", "mode"}, - {NULL, NULL}}; - - NMSettingWireless *wireless_setting = NULL; - - if (nm_streq0(value, "ppp")) - return; - - _LOGI("update wireless settings (%s).", block->name); - wireless_setting = NM_SETTING_WIRELESS(nm_setting_wireless_new()); - - c_list_for_each_entry (curr, &block->data_lst_head, data_lst) { - if (_str_has_prefix(curr->key, "wireless-", TRUE)) { - const char *newkey = map_by_mapping(mapping, curr->key + NM_STRLEN("wireless-")); - - _LOGI("wireless setting key: %s='%s'", newkey, curr->data); - if (nm_streq0(newkey, "ssid")) { - GBytes *ssid; - int len = strlen(curr->data); - - ssid = g_bytes_new(curr->data, len); - g_object_set(wireless_setting, NM_SETTING_WIRELESS_SSID, ssid, NULL); - g_bytes_unref(ssid); - _LOGI("setting wireless ssid = %d", len); - } else if (nm_streq0(newkey, "mode")) { - if (!g_ascii_strcasecmp(curr->data, "Managed") - || !g_ascii_strcasecmp(curr->data, "Auto")) - g_object_set(wireless_setting, - NM_SETTING_WIRELESS_MODE, - NM_SETTING_WIRELESS_MODE_INFRA, - NULL); - else if (!g_ascii_strcasecmp(curr->data, "Ad-Hoc")) - g_object_set(wireless_setting, - NM_SETTING_WIRELESS_MODE, - NM_SETTING_WIRELESS_MODE_ADHOC, - NULL); - else if (!g_ascii_strcasecmp(curr->data, "Master")) - g_object_set(wireless_setting, - NM_SETTING_WIRELESS_MODE, - NM_SETTING_WIRELESS_MODE_AP, - NULL); - else - _LOGW("Invalid mode '%s' (not 'Ad-Hoc', 'Ap', 'Managed', or 'Auto')", - curr->data); - } else { - g_object_set(wireless_setting, newkey, curr->data, NULL); - } - } else if (_str_has_prefix(curr->key, "wpa-", TRUE)) { - const char *newkey = map_by_mapping(mapping, curr->key + NM_STRLEN("wpa-")); - - if (nm_streq0(newkey, "ssid")) { - GBytes *ssid; - int len = strlen(curr->data); - - ssid = g_bytes_new(curr->data, len); - g_object_set(wireless_setting, NM_SETTING_WIRELESS_SSID, ssid, NULL); - g_bytes_unref(ssid); - _LOGI("setting wpa ssid = %d", len); - } else if (newkey) { - g_object_set(wireless_setting, newkey, curr->data, NULL); - _LOGI("setting wpa newkey(%s)=data(%s)", newkey, curr->data); - } - } - } - nm_connection_add_setting(connection, (NMSetting *) wireless_setting); -} - -typedef char *(*IfupdownStrDupeFunc)(gconstpointer value, gpointer data); -typedef gpointer (*IfupdownStrToTypeFunc)(const char *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 char *data) -{ - int result = (int) strtol(data, NULL, 10); - return GINT_TO_POINTER(result); -} - -static gpointer -string_to_glist_of_strings(const char *data) -{ - GSList *ret = NULL; - char * string = (char *) data; - while (string) { - char *next = NULL; - if ((next = strchr(string, ' ')) || (next = strchr(string, '\t')) - || (next = strchr(string, '\0'))) { - char *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) -{ - g_slist_free_full((GSList *) slist, g_free); -} - -static void -update_wireless_security_setting_from_if_block(NMConnection *connection, if_block *block) -{ - if_data * curr; - const char * 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 (nm_streq0(value, "ppp")) - return; - - s_wireless = nm_connection_get_setting_wireless(connection); - g_return_if_fail(s_wireless); - - _LOGI("update wireless security settings (%s).", block->name); - wireless_security_setting = NM_SETTING_WIRELESS_SECURITY(nm_setting_wireless_security_new()); - - c_list_for_each_entry (curr, &block->data_lst_head, data_lst) { - if (_str_has_prefix(curr->key, "wireless-", TRUE)) { - const char * key = curr->key + NM_STRLEN("wireless-"); - char * property_value = NULL; - gpointer typed_property_value = NULL; - const char * newkey = map_by_mapping(mapping, key); - IfupdownStrDupeFunc dupe_func = map_by_mapping(dupe_mapping, key); - IfupdownStrToTypeFunc type_map_func = map_by_mapping(type_mapping, key); - GFreeFunc free_func = map_by_mapping(free_type_mapping, key); - if (!newkey || !dupe_func) - goto next; - - property_value = (*dupe_func)(curr->data, connection); - _LOGI("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 ?: property_value, - NULL); - security = TRUE; - -wireless_next: - g_free(property_value); - if (typed_property_value && free_func) - (*free_func)(typed_property_value); - - } else if (_str_has_prefix(curr->key, "wpa-", TRUE)) { - const char * key = curr->key + NM_STRLEN("wpa-"); - char * property_value = NULL; - gpointer typed_property_value = NULL; - const char * newkey = map_by_mapping(mapping, key); - IfupdownStrDupeFunc dupe_func = map_by_mapping(dupe_mapping, key); - IfupdownStrToTypeFunc type_map_func = map_by_mapping(type_mapping, key); - GFreeFunc free_func = map_by_mapping(free_type_mapping, key); - if (!newkey || !dupe_func) - goto next; - - property_value = (*dupe_func)(curr->data, connection); - _LOGI("setting wpa security key: %s=%s", - newkey, - NM_IN_STRSET(newkey, - "key", - "leap-password", - "pin", - "psk", - "wep-key0", - "wep-key1", - "wep-key2", - "wep-key3") - ? "<omitted>" - : property_value); - - 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 ?: property_value, - NULL); - security = TRUE; - -wpa_next: - g_free(property_value); - if (free_func && typed_property_value) - (*free_func)(typed_property_value); - } -next:; - } - - if (security) - nm_connection_add_setting(connection, NM_SETTING(wireless_security_setting)); -} - -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 void -ifupdown_ip4_add_dns(NMSettingIPConfig *s_ip4, const char *dns) -{ - gs_free const char **list = NULL; - const char ** iter; - guint32 addr; - - if (dns == NULL) - return; - - list = nm_utils_strsplit_set(dns, " \t"); - for (iter = list; iter && *iter; iter++) { - if (!inet_pton(AF_INET, *iter, &addr)) { - _LOGW(" ignoring invalid nameserver '%s'", *iter); - continue; - } - - if (!nm_setting_ip_config_add_dns(s_ip4, *iter)) - _LOGW(" duplicate DNS domain '%s'", *iter); - } -} - -static gboolean -update_ip4_setting_from_if_block(NMConnection *connection, if_block *block, GError **error) -{ - gs_unref_object NMSettingIPConfig *s_ip4 = NM_SETTING_IP_CONFIG(nm_setting_ip4_config_new()); - const char * type = ifparser_getkey(block, "inet"); - - if (!nm_streq0(type, "static")) { - g_object_set(s_ip4, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_AUTO, NULL); - } else { - guint32 tmp_mask; - NMIPAddress *addr; - const char * address_v; - const char * netmask_v; - const char * gateway_v; - const char * nameserver_v; - const char * nameservers_v; - const char * search_v; - guint32 netmask_int = 32; - - /* Address */ - address_v = ifparser_getkey(block, "address"); - if (!address_v) { - g_set_error(error, - NM_SETTINGS_ERROR, - NM_SETTINGS_ERROR_INVALID_CONNECTION, - "Missing IPv4 address"); - return FALSE; - } - - /* mask/prefix */ - netmask_v = ifparser_getkey(block, "netmask"); - if (netmask_v) { - if (strlen(netmask_v) < 7) { - netmask_int = atoi(netmask_v); - } else if (!inet_pton(AF_INET, netmask_v, &tmp_mask)) { - g_set_error(error, - NM_SETTINGS_ERROR, - NM_SETTINGS_ERROR_INVALID_CONNECTION, - "Invalid IPv4 netmask '%s'", - netmask_v); - return FALSE; - } else { - netmask_int = nm_utils_ip4_netmask_to_prefix(tmp_mask); - } - } - - /* Add the new address to the setting */ - addr = nm_ip_address_new(AF_INET, address_v, netmask_int, error); - if (!addr) - return FALSE; - - if (nm_setting_ip_config_add_address(s_ip4, addr)) { - _LOGI("addresses count: %d", nm_setting_ip_config_get_num_addresses(s_ip4)); - } else { - _LOGI("ignoring duplicate IP4 address"); - } - nm_ip_address_unref(addr); - - /* gateway */ - gateway_v = ifparser_getkey(block, "gateway"); - if (gateway_v) { - if (!nm_utils_ipaddr_is_valid(AF_INET, gateway_v)) { - g_set_error(error, - NM_SETTINGS_ERROR, - NM_SETTINGS_ERROR_INVALID_CONNECTION, - "Invalid IPv4 gateway '%s'", - gateway_v); - return FALSE; - } - if (!nm_setting_ip_config_get_gateway(s_ip4)) - g_object_set(s_ip4, NM_SETTING_IP_CONFIG_GATEWAY, gateway_v, NULL); - } - - nameserver_v = ifparser_getkey(block, "dns-nameserver"); - ifupdown_ip4_add_dns(s_ip4, nameserver_v); - - nameservers_v = ifparser_getkey(block, "dns-nameservers"); - ifupdown_ip4_add_dns(s_ip4, nameservers_v); - - if (!nm_setting_ip_config_get_num_dns(s_ip4)) - _LOGI("No dns-nameserver configured in /etc/network/interfaces"); - - /* DNS searches */ - search_v = ifparser_getkey(block, "dns-search"); - if (search_v) { - gs_free const char **list = NULL; - const char ** iter; - - list = nm_utils_strsplit_set(search_v, " \t"); - for (iter = list; iter && *iter; iter++) { - if (!nm_setting_ip_config_add_dns_search(s_ip4, *iter)) - _LOGW(" duplicate DNS domain '%s'", *iter); - } - } - - g_object_set(s_ip4, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_MANUAL, NULL); - } - - nm_connection_add_setting(connection, NM_SETTING(g_steal_pointer(&s_ip4))); - return TRUE; -} - -static void -ifupdown_ip6_add_dns(NMSettingIPConfig *s_ip6, const char *dns) -{ - gs_free const char **list = NULL; - const char ** iter; - struct in6_addr addr; - - if (dns == NULL) - return; - - list = nm_utils_strsplit_set(dns, " \t"); - for (iter = list; iter && *iter; iter++) { - if (!inet_pton(AF_INET6, *iter, &addr)) { - _LOGW(" ignoring invalid nameserver '%s'", *iter); - continue; - } - - if (!nm_setting_ip_config_add_dns(s_ip6, *iter)) - _LOGW(" duplicate DNS domain '%s'", *iter); - } -} - -static gboolean -update_ip6_setting_from_if_block(NMConnection *connection, if_block *block, GError **error) -{ - gs_unref_object NMSettingIPConfig *s_ip6 = NM_SETTING_IP_CONFIG(nm_setting_ip6_config_new()); - const char * type = ifparser_getkey(block, "inet6"); - - if (!NM_IN_STRSET(type, "static", "v4tunnel")) { - g_object_set(s_ip6, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP6_CONFIG_METHOD_AUTO, NULL); - } else { - NMIPAddress *addr; - const char * address_v; - const char * prefix_v; - const char * gateway_v; - const char * nameserver_v; - const char * nameservers_v; - const char * search_v; - guint prefix_int; - - address_v = ifparser_getkey(block, "address"); - if (!address_v) { - g_set_error(error, - NM_SETTINGS_ERROR, - NM_SETTINGS_ERROR_INVALID_CONNECTION, - "Missing IPv6 address"); - return FALSE; - } - - prefix_v = ifparser_getkey(block, "netmask"); - if (prefix_v) - prefix_int = _nm_utils_ascii_str_to_int64(prefix_v, 10, 0, 128, G_MAXINT); - else - prefix_int = 128; - - addr = nm_ip_address_new(AF_INET6, address_v, prefix_int, error); - if (!addr) - return FALSE; - - if (nm_setting_ip_config_add_address(s_ip6, addr)) { - _LOGI("addresses count: %d", nm_setting_ip_config_get_num_addresses(s_ip6)); - } else { - _LOGI("ignoring duplicate IP6 address"); - } - nm_ip_address_unref(addr); - - gateway_v = ifparser_getkey(block, "gateway"); - if (gateway_v) { - if (!nm_utils_ipaddr_is_valid(AF_INET6, gateway_v)) { - g_set_error(error, - NM_SETTINGS_ERROR, - NM_SETTINGS_ERROR_INVALID_CONNECTION, - "Invalid IPv6 gateway '%s'", - gateway_v); - return FALSE; - } - if (!nm_setting_ip_config_get_gateway(s_ip6)) - g_object_set(s_ip6, NM_SETTING_IP_CONFIG_GATEWAY, gateway_v, NULL); - } - - nameserver_v = ifparser_getkey(block, "dns-nameserver"); - ifupdown_ip6_add_dns(s_ip6, nameserver_v); - - nameservers_v = ifparser_getkey(block, "dns-nameservers"); - ifupdown_ip6_add_dns(s_ip6, nameservers_v); - - if (!nm_setting_ip_config_get_num_dns(s_ip6)) - _LOGI("No dns-nameserver configured in /etc/network/interfaces"); - - search_v = ifparser_getkey(block, "dns-search"); - if (search_v) { - gs_free const char **list = NULL; - const char ** iter; - - list = nm_utils_strsplit_set(search_v, " \t"); - for (iter = list; iter && *iter; iter++) { - if (!nm_setting_ip_config_add_dns_search(s_ip6, *iter)) - _LOGW(" duplicate DNS domain '%s'", *iter); - } - } - - g_object_set(s_ip6, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP6_CONFIG_METHOD_MANUAL, NULL); - } - - nm_connection_add_setting(connection, NM_SETTING(g_steal_pointer(&s_ip6))); - return TRUE; -} - -NMConnection * -ifupdown_new_connection_from_if_block(if_block *block, gboolean autoconnect, GError **error) -{ - gs_unref_object NMConnection *connection = NULL; - const char * type; - gs_free char * idstr = NULL; - gs_free char * uuid = NULL; - NMSettingConnection * s_con; - - connection = nm_simple_connection_new(); - - s_con = NM_SETTING_CONNECTION(nm_setting_connection_new()); - nm_connection_add_setting(connection, NM_SETTING(s_con)); - - type = _ifupdownplugin_guess_connection_type(block); - idstr = g_strconcat("Ifupdown (", block->name, ")", NULL); - - uuid = nm_utils_uuid_generate_from_string(idstr, -1, NM_UTILS_UUID_TYPE_LEGACY, NULL); - g_object_set(s_con, - NM_SETTING_CONNECTION_TYPE, - type, - NM_SETTING_CONNECTION_INTERFACE_NAME, - block->name, - NM_SETTING_CONNECTION_ID, - idstr, - NM_SETTING_CONNECTION_UUID, - uuid, - NM_SETTING_CONNECTION_AUTOCONNECT, - (gboolean)(!!autoconnect), - NULL); - - _LOGD("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 (nm_streq(type, NM_SETTING_WIRED_SETTING_NAME)) - update_wired_setting_from_if_block(connection, block); - else if (nm_streq(type, NM_SETTING_WIRELESS_SETTING_NAME)) { - update_wireless_setting_from_if_block(connection, block); - update_wireless_security_setting_from_if_block(connection, block); - } - - if (ifparser_haskey(block, "inet6")) { - if (!update_ip6_setting_from_if_block(connection, block, error)) - return FALSE; - } else { - if (!update_ip4_setting_from_if_block(connection, block, error)) - return FALSE; - } - - if (!nm_connection_normalize(connection, NULL, NULL, error)) - return NULL; - - return g_steal_pointer(&connection); -} |