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// SPDX-License-Identifier: LGPL-2.1+
/*
* Copyright (C) 2019 Red Hat, Inc.
*/
#include "nm-default.h"
#include "nm-dhcp-options.h"
#define REQPREFIX "requested_"
#define REQ(_num, _name, _include) \
{ \
.name = REQPREFIX ""_name, .option_num = _num, .include = _include, \
}
const NMDhcpOption _nm_dhcp_option_dhcp4_options[] = {
REQ(NM_DHCP_OPTION_DHCP4_SUBNET_MASK, "subnet_mask", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_TIME_OFFSET, "time_offset", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_DOMAIN_NAME_SERVER, "domain_name_servers", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_HOST_NAME, "host_name", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_DOMAIN_NAME, "domain_name", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_INTERFACE_MTU, "interface_mtu", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_BROADCAST, "broadcast_address", TRUE),
/* RFC 3442: The Classless Static Routes option code MUST appear in the parameter
* request list prior to both the Router option code and the Static
* Routes option code, if present. */
REQ(NM_DHCP_OPTION_DHCP4_CLASSLESS_STATIC_ROUTE, "rfc3442_classless_static_routes", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_ROUTER, "routers", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_STATIC_ROUTE, "static_routes", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_NIS_DOMAIN, "nis_domain", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_NIS_SERVERS, "nis_servers", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_NTP_SERVER, "ntp_servers", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_SERVER_ID, "dhcp_server_identifier", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_DOMAIN_SEARCH_LIST, "domain_search", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_CLASSLESS_STATIC_ROUTE, "ms_classless_static_routes", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_PROXY_AUTODISCOVERY, "wpad", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_ROOT_PATH, "root_path", TRUE),
REQ(NM_DHCP_OPTION_DHCP4_TIME_SERVERS, "time_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_IEN116_NAME_SERVERS, "ien116_name_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_LOG_SERVERS, "log_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_COOKIE_SERVERS, "cookie_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_LPR_SERVERS, "lpr_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_IMPRESS_SERVERS, "impress_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_RESOURCE_LOCATION_SERVERS, "resource_location_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_BOOT_FILE_SIZE, "boot_size", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_MERIT_DUMP, "merit_dump", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_SWAP_SERVER, "swap_server", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_EXTENSIONS_PATH, "extensions_path", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_ENABLE_IP_FORWARDING, "ip_forwarding", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_ENABLE_SRC_ROUTING, "non_local_source_routing", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_POLICY_FILTER, "policy_filter", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_INTERFACE_MDR, "max_dgram_reassembly", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_INTERFACE_TTL, "default_ip_ttl", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_INTERFACE_MTU_AGING_TIMEOUT, "path_mtu_aging_timeout", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PATH_MTU_PLATEAU_TABLE, "path_mtu_plateau_table", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_ALL_SUBNETS_LOCAL, "all_subnets_local", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PERFORM_MASK_DISCOVERY, "perform_mask_discovery", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_MASK_SUPPLIER, "mask_supplier", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_ROUTER_DISCOVERY, "router_discovery", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_ROUTER_SOLICITATION_ADDR, "router_solicitation_address", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_TRAILER_ENCAPSULATION, "trailer_encapsulation", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_ARP_CACHE_TIMEOUT, "arp_cache_timeout", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_IEEE802_3_ENCAPSULATION, "ieee802_3_encapsulation", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_DEFAULT_TCP_TTL, "default_tcp_ttl", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_TCP_KEEPALIVE_INTERVAL, "tcp_keepalive_internal", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_TCP_KEEPALIVE_GARBAGE, "tcp_keepalive_garbage", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_VENDOR_SPECIFIC, "vendor_encapsulated_options", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NETBIOS_NAMESERVER, "netbios_name_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NETBIOS_DD_SERVER, "netbios_dd_server", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_FONT_SERVERS, "font_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_X_DISPLAY_MANAGER, "x_display_manager", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_IP_ADDRESS_LEASE_TIME, "dhcp_lease_time", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_RENEWAL_T1_TIME, "dhcp_renewal_time", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_REBINDING_T2_TIME, "dhcp_rebinding_time", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_CLIENT_ID, "dhcp_client_identifier", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NEW_TZDB_TIMEZONE, "tcode", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NWIP_DOMAIN, "nwip_domain", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NWIP_SUBOPTIONS, "nwip_suboptions", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NISPLUS_DOMAIN, "nisplus_domain", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NISPLUS_SERVERS, "nisplus_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_TFTP_SERVER_NAME, "tftp_server_name", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_BOOTFILE_NAME, "bootfile_name", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_MOBILE_IP_HOME_AGENT, "mobile_ip_home_agent", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_SMTP_SERVER, "smtp_server", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_POP_SERVER, "pop_server", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NNTP_SERVER, "nntp_server", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_WWW_SERVER, "www_server", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_FINGER_SERVER, "finger_server", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_IRC_SERVER, "irc_server", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_STREETTALK_SERVER, "streettalk_server", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_STREETTALK_DIR_ASSIST_SERVER,
"streettalk_directory_assistance_server",
FALSE),
REQ(NM_DHCP_OPTION_DHCP4_SLP_DIRECTORY_AGENT, "slp_directory_agent", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_SLP_SERVICE_SCOPE, "slp_service_scope", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_CLIENT_FQDN, "fqdn", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_RELAY_AGENT_INFORMATION, "relay_agent_information", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NDS_SERVERS, "nds_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NDS_TREE_NAME, "nds_tree_name", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NDS_CONTEXT, "nds_context", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_BCMS_CONTROLLER_NAMES, "bcms_controller_names", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_BCMS_CONTROLLER_ADDRESS, "bcms_controller_address", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_CLIENT_LAST_TRANSACTION, "client_last_transaction_time", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_ASSOCIATED_IP, "associated_ip", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PXE_SYSTEM_TYPE, "pxe_system_type", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PXE_INTERFACE_ID, "pxe_interface_id", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PXE_CLIENT_ID, "pxe_client_id", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_UAP_SERVERS, "uap_servers", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_GEOCONF_CIVIC, "geoconf_civic", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NETINFO_SERVER_ADDRESS, "netinfo_server_address", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NETINFO_SERVER_TAG, "netinfo_server_tag", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_DEFAULT_URL, "default_url", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_AUTO_CONFIG, "auto_config", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NAME_SERVICE_SEARCH, "name_service_search", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_SUBNET_SELECTION, "subnet_selection", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_VIVCO, "vivco", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_VIVSO, "vivso", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PANA_AGENT, "pana_agent", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_V4_LOST, "v4_lost", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_SIP_UA_CS_DOMAINS, "sip_ua_cs_domains", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_IPV4_ADDRESS_ANDSF, "ipv4_address_andsf", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_RDNSS_SELECTION, "rndss_selection", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_TFTP_SERVER_ADDRESS, "tftp_server_address", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_V4_PORTPARAMS, "v4_portparams", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_V4_CAPTIVE_PORTAL, "v4_captive_portal", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_MUD_URL, "mud_url", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_LOADER_CONFIGFILE, "loader_configfile", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_LOADER_PATHPREFIX, "loader_pathprefix", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_LOADER_REBOOTTIME, "loader_reboottime", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_OPTION_6RD, "option_6rd", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_V4_ACCESS_DOMAIN, "v4_access_domain", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_224, "private_224", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_225, "private_225", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_226, "private_226", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_227, "private_227", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_228, "private_228", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_229, "private_229", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_230, "private_230", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_231, "private_231", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_232, "private_232", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_233, "private_233", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_234, "private_234", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_235, "private_235", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_236, "private_236", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_237, "private_237", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_238, "private_238", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_239, "private_239", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_240, "private_240", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_241, "private_241", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_242, "private_242", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_243, "private_243", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_244, "private_244", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_245, "private_245", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_246, "private_246", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_247, "private_247", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_248, "private_248", FALSE),
/* NM_DHCP_OPTION_DHCP4_PRIVATE_CLASSLESS_STATIC_ROUTE */
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_250, "private_250", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_251, "private_251", FALSE),
/* NM_DHCP_OPTION_DHCP4_PRIVATE_PROXY_AUTODISCOVERY */
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_253, "private_253", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_PRIVATE_254, "private_254", FALSE),
/* Internal values */
REQ(NM_DHCP_OPTION_DHCP4_NM_IP_ADDRESS, "ip_address", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NM_EXPIRY, "expiry", FALSE),
REQ(NM_DHCP_OPTION_DHCP4_NM_NEXT_SERVER, "next_server", FALSE),
{0}};
const NMDhcpOption _nm_dhcp_option_dhcp6_options[] = {
REQ(NM_DHCP_OPTION_DHCP6_CLIENTID, "dhcp6_client_id", FALSE),
/* Don't request server ID by default; some servers don't reply to
* Information Requests that request the Server ID.
*/
REQ(NM_DHCP_OPTION_DHCP6_SERVERID, "dhcp6_server_id", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_DNS_SERVERS, "dhcp6_name_servers", TRUE),
REQ(NM_DHCP_OPTION_DHCP6_DOMAIN_LIST, "dhcp6_domain_search", TRUE),
REQ(NM_DHCP_OPTION_DHCP6_SNTP_SERVERS, "dhcp6_sntp_servers", TRUE),
REQ(NM_DHCP_OPTION_DHCP6_FQDN, "fqdn_fqdn", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_MUD_URL, "dhcp6_mud_url", FALSE),
/* Internal values */
REQ(NM_DHCP_OPTION_DHCP6_NM_IP_ADDRESS, "ip6_address", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_NM_PREFIXLEN, "ip6_prefixlen", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_NM_PREFERRED_LIFE, "preferred_life", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_NM_MAX_LIFE, "max_life", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_NM_STARTS, "starts", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_NM_LIFE_STARTS, "life_starts", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_NM_RENEW, "renew", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_NM_REBIND, "rebind", FALSE),
REQ(NM_DHCP_OPTION_DHCP6_NM_IAID, "iaid", FALSE),
{0}};
const char *
nm_dhcp_option_request_string(const NMDhcpOption *requests, guint option)
{
guint i = 0;
while (requests[i].name) {
if (requests[i].option_num == option)
return requests[i].name + NM_STRLEN(REQPREFIX);
i++;
}
/* Option should always be found */
nm_assert_not_reached();
return NULL;
}
void
nm_dhcp_option_take_option(GHashTable * options,
const NMDhcpOption *requests,
guint option,
char * value)
{
nm_assert(options);
nm_assert(requests);
nm_assert(value);
nm_assert(g_utf8_validate(value, -1, NULL));
g_hash_table_insert(options, (gpointer) nm_dhcp_option_request_string(requests, option), value);
}
void
nm_dhcp_option_add_option(GHashTable * options,
const NMDhcpOption *requests,
guint option,
const char * value)
{
if (options)
nm_dhcp_option_take_option(options, requests, option, g_strdup(value));
}
void
nm_dhcp_option_add_option_u64(GHashTable * options,
const NMDhcpOption *requests,
guint option,
guint64 value)
{
if (options)
nm_dhcp_option_take_option(options,
requests,
option,
g_strdup_printf("%" G_GUINT64_FORMAT, value));
}
void
nm_dhcp_option_add_requests_to_options(GHashTable *options, const NMDhcpOption *requests)
{
guint i;
if (!options)
return;
for (i = 0; requests[i].name; i++) {
if (requests[i].include)
g_hash_table_insert(options, (gpointer) requests[i].name, g_strdup("1"));
}
}
GHashTable *
nm_dhcp_option_create_options_dict(void)
{
return g_hash_table_new_full(nm_str_hash, g_str_equal, NULL, g_free);
}
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