diff options
Diffstat (limited to 'src/core/dhcp/nm-dhcp-nettools.c')
| -rw-r--r-- | src/core/dhcp/nm-dhcp-nettools.c | 243 |
1 files changed, 114 insertions, 129 deletions
diff --git a/src/core/dhcp/nm-dhcp-nettools.c b/src/core/dhcp/nm-dhcp-nettools.c index fe71f587a4..699324fca4 100644 --- a/src/core/dhcp/nm-dhcp-nettools.c +++ b/src/core/dhcp/nm-dhcp-nettools.c @@ -17,6 +17,7 @@ #include "libnm-std-aux/unaligned.h" #include "libnm-glib-aux/nm-str-buf.h" +#include "nm-l3-config-data.h" #include "nm-utils.h" #include "nm-config.h" #include "nm-dhcp-utils.h" @@ -151,7 +152,7 @@ lease_option_consume_route(const uint8_t **datap, static gboolean lease_parse_address(NDhcp4ClientLease *lease, - NMIP4Config * ip4_config, + NML3ConfigData * l3cd, GHashTable * options, GError ** error) { @@ -256,23 +257,23 @@ lease_parse_address(NDhcp4ClientLease *lease, a_next_server.s_addr); } - nm_ip4_config_add_address(ip4_config, - &((const NMPlatformIP4Address){ - .address = a_address.s_addr, - .peer_address = a_address.s_addr, - .plen = a_plen, - .addr_source = NM_IP_CONFIG_SOURCE_DHCP, - .timestamp = a_timestamp, - .lifetime = a_lifetime, - .preferred = a_lifetime, - })); + nm_l3_config_data_add_address_4(l3cd, + &((const NMPlatformIP4Address){ + .address = a_address.s_addr, + .peer_address = a_address.s_addr, + .plen = a_plen, + .addr_source = NM_IP_CONFIG_SOURCE_DHCP, + .timestamp = a_timestamp, + .lifetime = a_lifetime, + .preferred = a_lifetime, + })); return TRUE; } static void lease_parse_address_list(NDhcp4ClientLease * lease, - NMIP4Config * ip4_config, + NML3ConfigData * l3cd, NMDhcpOptionDhcp4Options option, GHashTable * options, NMStrBuf * sbuf) @@ -304,13 +305,13 @@ lease_parse_address_list(NDhcp4ClientLease * lease, * See https://github.com/systemd/systemd/issues/4524. */ continue; } - nm_ip4_config_add_nameserver(ip4_config, addr); + nm_l3_config_data_add_nameserver(l3cd, AF_INET, &addr); break; case NM_DHCP_OPTION_DHCP4_NIS_SERVERS: - nm_ip4_config_add_nis_server(ip4_config, addr); + nm_l3_config_data_add_nis_server(l3cd, addr); break; case NM_DHCP_OPTION_DHCP4_NETBIOS_NAMESERVER: - nm_ip4_config_add_wins(ip4_config, addr); + nm_l3_config_data_add_wins(l3cd, addr); break; case NM_DHCP_OPTION_DHCP4_NTP_SERVER: break; @@ -324,10 +325,8 @@ lease_parse_address_list(NDhcp4ClientLease * lease, static void lease_parse_routes(NDhcp4ClientLease *lease, - NMIP4Config * ip4_config, + NML3ConfigData * l3cd, GHashTable * options, - guint32 route_table, - guint32 route_metric, NMStrBuf * sbuf) { char dest_str[NM_UTILS_INET_ADDRSTRLEN]; @@ -336,9 +335,9 @@ lease_parse_routes(NDhcp4ClientLease *lease, in_addr_t gateway; uint8_t plen; guint32 m; - gboolean has_router_from_classless = FALSE; - gboolean has_classless = FALSE; - guint32 default_route_metric = route_metric; + gboolean has_router_from_classless = FALSE; + gboolean has_classless = FALSE; + guint32 default_route_metric_offset = 0; const guint8 *l_data; gsize l_data_len; int r; @@ -367,26 +366,22 @@ lease_parse_routes(NDhcp4ClientLease *lease, if (plen == 0) { /* if there are multiple default routes, we add them with differing * metrics. */ - m = default_route_metric; - if (default_route_metric < G_MAXUINT32) - default_route_metric++; - + m = default_route_metric_offset++; has_router_from_classless = TRUE; - } else { - m = route_metric; - } - - nm_ip4_config_add_route( - ip4_config, - &((const NMPlatformIP4Route){ - .network = dest, - .plen = plen, - .gateway = gateway, - .rt_source = NM_IP_CONFIG_SOURCE_DHCP, - .metric = m, - .table_coerced = nm_platform_route_table_coerce(route_table), - }), - NULL); + } else + m = 0; + + nm_l3_config_data_add_route_4(l3cd, + &((const NMPlatformIP4Route){ + .network = dest, + .plen = plen, + .gateway = gateway, + .rt_source = NM_IP_CONFIG_SOURCE_DHCP, + .table_any = TRUE, + .table_coerced = 0, + .metric_any = TRUE, + .metric = m, + })); } has_classless = TRUE; @@ -419,17 +414,17 @@ lease_parse_routes(NDhcp4ClientLease *lease, continue; } - nm_ip4_config_add_route( - ip4_config, - &((const NMPlatformIP4Route){ - .network = dest, - .plen = plen, - .gateway = gateway, - .rt_source = NM_IP_CONFIG_SOURCE_DHCP, - .metric = route_metric, - .table_coerced = nm_platform_route_table_coerce(route_table), - }), - NULL); + nm_l3_config_data_add_route_4(l3cd, + &((const NMPlatformIP4Route){ + .network = dest, + .plen = plen, + .gateway = gateway, + .rt_source = NM_IP_CONFIG_SOURCE_DHCP, + .table_any = TRUE, + .table_coerced = 0, + .metric_any = TRUE, + .metric = 0, + })); } nm_dhcp_option_add_option(options, @@ -463,19 +458,17 @@ lease_parse_routes(NDhcp4ClientLease *lease, /* if there are multiple default routes, we add them with differing * metrics. */ - m = default_route_metric; - if (default_route_metric < G_MAXUINT32) - default_route_metric++; - - nm_ip4_config_add_route( - ip4_config, - &((const NMPlatformIP4Route){ - .rt_source = NM_IP_CONFIG_SOURCE_DHCP, - .gateway = gateway, - .table_coerced = nm_platform_route_table_coerce(route_table), - .metric = m, - }), - NULL); + m = default_route_metric_offset++; + + nm_l3_config_data_add_route_4(l3cd, + &((const NMPlatformIP4Route){ + .rt_source = NM_IP_CONFIG_SOURCE_DHCP, + .gateway = gateway, + .table_any = TRUE, + .table_coerced = 0, + .metric_any = TRUE, + .metric = m, + })); } nm_dhcp_option_add_option(options, @@ -486,7 +479,7 @@ lease_parse_routes(NDhcp4ClientLease *lease, } static void -lease_parse_search_domains(NDhcp4ClientLease *lease, NMIP4Config *ip4_config, GHashTable *options) +lease_parse_search_domains(NDhcp4ClientLease *lease, NML3ConfigData *l3cd, GHashTable *options) { gs_strfreev char **domains = NULL; const guint8 * l_data; @@ -504,7 +497,7 @@ lease_parse_search_domains(NDhcp4ClientLease *lease, NMIP4Config *ip4_config, GH return; for (i = 0; domains[i]; i++) - nm_ip4_config_add_search(ip4_config, domains[i]); + nm_l3_config_data_add_search(l3cd, AF_INET, domains[i]); nm_dhcp_option_take_option(options, AF_INET, @@ -539,34 +532,33 @@ lease_parse_private_options(NDhcp4ClientLease *lease, GHashTable *options) } } -static NMIP4Config * +static NML3ConfigData * lease_to_ip4_config(NMDedupMultiIndex *multi_idx, const char * iface, int ifindex, NDhcp4ClientLease *lease, - guint32 route_table, - guint32 route_metric, - GHashTable ** out_options, GError ** error) { - nm_auto_str_buf NMStrBuf sbuf = NM_STR_BUF_INIT(0, FALSE); - gs_unref_object NMIP4Config *ip4_config = NULL; - gs_unref_hashtable GHashTable *options = NULL; + nm_auto_str_buf NMStrBuf sbuf = NM_STR_BUF_INIT(0, FALSE); + nm_auto_unref_l3cd_init NML3ConfigData *l3cd = NULL; + gs_unref_hashtable GHashTable *options = NULL; const guint8 * l_data; gsize l_data_len; const char * v_str; guint16 v_u16; - gboolean v_bool; in_addr_t v_inaddr; struct in_addr v_inaddr_s; int r; g_return_val_if_fail(lease != NULL, NULL); - ip4_config = nm_ip4_config_new(multi_idx, ifindex); - options = nm_dhcp_option_create_options_dict(); + l3cd = nm_l3_config_data_new(multi_idx, ifindex); - if (!lease_parse_address(lease, ip4_config, options, error)) + nm_l3_config_data_set_source(l3cd, NM_IP_CONFIG_SOURCE_DHCP); + + options = nm_dhcp_option_create_options_dict(); + + if (!lease_parse_address(lease, l3cd, options, error)) return NULL; r = n_dhcp4_client_lease_get_server_identifier(lease, &v_inaddr_s); @@ -585,13 +577,9 @@ lease_to_ip4_config(NMDedupMultiIndex *multi_idx, v_inaddr); } - lease_parse_routes(lease, ip4_config, options, route_table, route_metric, &sbuf); + lease_parse_routes(lease, l3cd, options, &sbuf); - lease_parse_address_list(lease, - ip4_config, - NM_DHCP_OPTION_DHCP4_DOMAIN_NAME_SERVER, - options, - &sbuf); + lease_parse_address_list(lease, l3cd, NM_DHCP_OPTION_DHCP4_DOMAIN_NAME_SERVER, options, &sbuf); r = _client_lease_query(lease, NM_DHCP_OPTION_DHCP4_DOMAIN_NAME, &l_data, &l_data_len); if (r == 0 && nm_dhcp_lease_data_parse_cstr(l_data, l_data_len, &l_data_len)) { @@ -616,7 +604,7 @@ lease_to_ip4_config(NMDedupMultiIndex *multi_idx, nm_str_buf_append_required_delimiter(&sbuf, ' '); nm_str_buf_append(&sbuf, s); - nm_ip4_config_add_domain(ip4_config, s); + nm_l3_config_data_add_domain(l3cd, AF_INET, s); } } @@ -628,18 +616,17 @@ lease_to_ip4_config(NMDedupMultiIndex *multi_idx, } } - lease_parse_search_domains(lease, ip4_config, options); + lease_parse_search_domains(lease, l3cd, options); r = _client_lease_query(lease, NM_DHCP_OPTION_DHCP4_INTERFACE_MTU, &l_data, &l_data_len); if (r == 0 && nm_dhcp_lease_data_parse_mtu(l_data, l_data_len, &v_u16)) { nm_dhcp_option_add_option_u64(options, AF_INET, NM_DHCP_OPTION_DHCP4_INTERFACE_MTU, v_u16); - nm_ip4_config_set_mtu(ip4_config, v_u16, NM_IP_CONFIG_SOURCE_DHCP); + nm_l3_config_data_set_mtu(l3cd, v_u16); } r = _client_lease_query(lease, NM_DHCP_OPTION_DHCP4_VENDOR_SPECIFIC, &l_data, &l_data_len); - v_bool = - (r == 0) && memmem(l_data, l_data_len, "ANDROID_METERED", NM_STRLEN("ANDROID_METERED")); - nm_ip4_config_set_metered(ip4_config, v_bool); + if ((r == 0) && memmem(l_data, l_data_len, "ANDROID_METERED", NM_STRLEN("ANDROID_METERED"))) + nm_l3_config_data_set_metered(l3cd, TRUE); r = _client_lease_query(lease, NM_DHCP_OPTION_DHCP4_HOST_NAME, &l_data, &l_data_len); if (r == 0) { @@ -650,7 +637,7 @@ lease_to_ip4_config(NMDedupMultiIndex *multi_idx, } } - lease_parse_address_list(lease, ip4_config, NM_DHCP_OPTION_DHCP4_NTP_SERVER, options, &sbuf); + lease_parse_address_list(lease, l3cd, NM_DHCP_OPTION_DHCP4_NTP_SERVER, options, &sbuf); r = _client_lease_query(lease, NM_DHCP_OPTION_DHCP4_ROOT_PATH, &l_data, &l_data_len); if (r == 0 && nm_dhcp_lease_data_parse_cstr(l_data, l_data_len, &l_data_len)) { @@ -681,11 +668,17 @@ lease_to_ip4_config(NMDedupMultiIndex *multi_idx, * We reject NUL characters inside the string (except trailing NULs). * Otherwise, we allow any encoding and backslash-escape the result to * UTF-8. */ - nm_dhcp_option_add_option_utf8safe_escape(options, - AF_INET, - NM_DHCP_OPTION_DHCP4_PRIVATE_PROXY_AUTODISCOVERY, - l_data, - l_data_len); + gs_free char *to_free = NULL; + const char * escaped; + + escaped = nm_utils_buf_utf8safe_escape((char *) l_data, l_data_len, 0, &to_free); + nm_dhcp_option_add_option(options, + AF_INET, + NM_DHCP_OPTION_DHCP4_PRIVATE_PROXY_AUTODISCOVERY, + escaped ?: ""); + + nm_l3_config_data_set_proxy_method(l3cd, NM_PROXY_CONFIG_METHOD_AUTO); + nm_l3_config_data_set_proxy_pac_url(l3cd, escaped ?: ""); } r = _client_lease_query(lease, NM_DHCP_OPTION_DHCP4_NIS_DOMAIN, &l_data, &l_data_len); @@ -697,21 +690,20 @@ lease_to_ip4_config(NMDedupMultiIndex *multi_idx, v_str = nm_utils_buf_utf8safe_escape((char *) l_data, l_data_len, 0, &to_free); nm_dhcp_option_add_option(options, AF_INET, NM_DHCP_OPTION_DHCP4_NIS_DOMAIN, v_str ?: ""); - nm_ip4_config_set_nis_domain(ip4_config, v_str ?: ""); + nm_l3_config_data_set_nis_domain(l3cd, v_str ?: ""); } - lease_parse_address_list(lease, ip4_config, NM_DHCP_OPTION_DHCP4_NIS_SERVERS, options, &sbuf); + lease_parse_address_list(lease, l3cd, NM_DHCP_OPTION_DHCP4_NIS_SERVERS, options, &sbuf); - lease_parse_address_list(lease, - ip4_config, - NM_DHCP_OPTION_DHCP4_NETBIOS_NAMESERVER, - options, - &sbuf); + lease_parse_address_list(lease, l3cd, NM_DHCP_OPTION_DHCP4_NETBIOS_NAMESERVER, options, &sbuf); lease_parse_private_options(lease, options); - NM_SET_OUT(out_options, g_steal_pointer(&options)); - return g_steal_pointer(&ip4_config); + nm_dhcp_option_add_requests_to_options(options, AF_INET); + + nm_l3_config_data_set_dhcp_lease_from_options(l3cd, AF_INET, g_steal_pointer(&options)); + + return g_steal_pointer(&l3cd); } /*****************************************************************************/ @@ -743,36 +735,30 @@ lease_save(NMDhcpNettools *self, NDhcp4ClientLease *lease, const char *lease_fil static void bound4_handle(NMDhcpNettools *self, NDhcp4ClientLease *lease, gboolean extended) { - NMDhcpNettoolsPrivate *priv = NM_DHCP_NETTOOLS_GET_PRIVATE(self); - const char * iface = nm_dhcp_client_get_iface(NM_DHCP_CLIENT(self)); - gs_unref_object NMIP4Config *ip4_config = NULL; - gs_unref_hashtable GHashTable *options = NULL; - GError * error = NULL; + NMDhcpNettoolsPrivate * priv = NM_DHCP_NETTOOLS_GET_PRIVATE(self); + const char * iface = nm_dhcp_client_get_iface(NM_DHCP_CLIENT(self)); + nm_auto_unref_l3cd_init NML3ConfigData *l3cd = NULL; + GError * error = NULL; _LOGT("lease available (%s)", extended ? "extended" : "new"); - ip4_config = lease_to_ip4_config(nm_dhcp_client_get_multi_idx(NM_DHCP_CLIENT(self)), - iface, - nm_dhcp_client_get_ifindex(NM_DHCP_CLIENT(self)), - lease, - nm_dhcp_client_get_route_table(NM_DHCP_CLIENT(self)), - nm_dhcp_client_get_route_metric(NM_DHCP_CLIENT(self)), - &options, - &error); - if (!ip4_config) { - _LOGW("%s", error->message); + l3cd = lease_to_ip4_config(nm_dhcp_client_get_multi_idx(NM_DHCP_CLIENT(self)), + iface, + nm_dhcp_client_get_ifindex(NM_DHCP_CLIENT(self)), + lease, + &error); + if (!l3cd) { + _LOGW("failure to parse lease: %s", error->message); g_clear_error(&error); - nm_dhcp_client_set_state(NM_DHCP_CLIENT(self), NM_DHCP_STATE_FAIL, NULL, NULL); + nm_dhcp_client_set_state(NM_DHCP_CLIENT(self), NM_DHCP_STATE_FAIL, NULL); return; } - nm_dhcp_option_add_requests_to_options(options, AF_INET); lease_save(self, lease, priv->lease_file); nm_dhcp_client_set_state(NM_DHCP_CLIENT(self), extended ? NM_DHCP_STATE_EXTENDED : NM_DHCP_STATE_BOUND, - NM_IP_CONFIG_CAST(ip4_config), - options); + l3cd); } static void @@ -807,10 +793,10 @@ dhcp4_event_handle(NMDhcpNettools *self, NDhcp4ClientEvent *event) break; case N_DHCP4_CLIENT_EVENT_RETRACTED: case N_DHCP4_CLIENT_EVENT_EXPIRED: - nm_dhcp_client_set_state(NM_DHCP_CLIENT(self), NM_DHCP_STATE_EXPIRE, NULL, NULL); + nm_dhcp_client_set_state(NM_DHCP_CLIENT(self), NM_DHCP_STATE_EXPIRE, NULL); break; case N_DHCP4_CLIENT_EVENT_CANCELLED: - nm_dhcp_client_set_state(NM_DHCP_CLIENT(self), NM_DHCP_STATE_FAIL, NULL, NULL); + nm_dhcp_client_set_state(NM_DHCP_CLIENT(self), NM_DHCP_STATE_FAIL, NULL); break; case N_DHCP4_CLIENT_EVENT_GRANTED: priv->lease = n_dhcp4_client_lease_ref(event->granted.lease); @@ -862,13 +848,12 @@ dhcp4_event_cb(int fd, GIOCondition condition, gpointer user_data) */ _LOGE("error %d dispatching events", r); nm_clear_g_source_inst(&priv->event_source); - nm_dhcp_client_set_state(NM_DHCP_CLIENT(self), NM_DHCP_STATE_FAIL, NULL, NULL); + nm_dhcp_client_set_state(NM_DHCP_CLIENT(self), NM_DHCP_STATE_FAIL, NULL); return G_SOURCE_REMOVE; } - while (!n_dhcp4_client_pop_event(priv->client, &event) && event) { + while (!n_dhcp4_client_pop_event(priv->client, &event) && event) dhcp4_event_handle(self, event); - } return G_SOURCE_CONTINUE; } @@ -1007,7 +992,7 @@ decline(NMDhcpClient *client, const char *error_message, GError **error) g_return_val_if_fail(priv->lease, FALSE); - _LOGT("dhcp4-client: decline"); + _LOGT("dhcp4-client: decline (%s)", error_message); r = n_dhcp4_client_lease_decline(priv->lease, error_message); if (r) { |