mirror of
https://gitlab.isc.org/isc-projects/dhcp
synced 2025-08-29 21:38:10 +00:00
parent
745f28bc63
commit
c382bc9800
@ -316,11 +316,10 @@ valid_client_msg(struct packet *packet, struct data_string *client_id) {
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*/
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if (packet->unicast) {
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log_debug("Discarding %s from %s; packet sent unicast "
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"(CLIENTID %s, SERVERID %s)",
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"(CLIENTID %s)",
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dhcpv6_type_names[packet->dhcpv6_msg_type],
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piaddr(packet->client_addr),
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print_hex_1(client_id->len, client_id->data, 60),
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print_hex_2(data.len, data.data, 60));
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print_hex_1(client_id->len, client_id->data, 60));
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goto exit;
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}
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@ -381,7 +380,8 @@ exit:
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int
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valid_client_resp(struct packet *packet,
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struct data_string *client_id,
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struct data_string *server_id) {
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struct data_string *server_id)
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{
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int ret_val;
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struct option_cache *oc;
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@ -470,37 +470,53 @@ int
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valid_client_info_req(struct packet *packet, struct data_string *server_id) {
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int ret_val;
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struct option_cache *oc;
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/* INSIST((duid.data != NULL) && (duid.len > 0)); */
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struct data_string client_id;
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char client_id_str[80]; /* print_hex_1() uses maximum 60 characters,
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plus a few more for extra information */
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ret_val = 0;
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memset(server_id, 0, sizeof(*server_id));
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/*
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* Make a string that we can print out to give more
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* information about the client if we need to.
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*
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* By RFC 3315, Section 18.1.5 clients SHOULD have a
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* client-id on an Information-request packet, but it
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* is not strictly necessary.
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*/
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if (get_client_id(packet, &client_id) == ISC_R_SUCCESS) {
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snprintf(client_id_str, sizeof(client_id_str), " (CLIENTID %s)",
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print_hex_1(client_id.len, client_id.data, 60));
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data_string_forget(&client_id, MDL);
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} else {
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client_id_str[0] = '\0';
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}
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/*
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* Required by RFC 3315, section 15.
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*/
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if (packet->unicast) {
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log_debug("Discarding %s from %s; "
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"IA_NA option present",
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log_debug("Discarding %s from %s; packet sent unicast%s",
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dhcpv6_type_names[packet->dhcpv6_msg_type],
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piaddr(packet->client_addr));
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piaddr(packet->client_addr), client_id_str);
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goto exit;
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}
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oc = lookup_option(&dhcpv6_universe, packet->options, D6O_IA_NA);
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if (oc != NULL) {
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log_debug("Discarding %s from %s; "
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"IA_NA option present",
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"IA_NA option present%s",
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dhcpv6_type_names[packet->dhcpv6_msg_type],
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piaddr(packet->client_addr));
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piaddr(packet->client_addr), client_id_str);
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goto exit;
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}
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oc = lookup_option(&dhcpv6_universe, packet->options, D6O_IA_TA);
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if (oc != NULL) {
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log_debug("Discarding %s from %s; "
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"IA_TA option present",
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"IA_TA option present%s",
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dhcpv6_type_names[packet->dhcpv6_msg_type],
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piaddr(packet->client_addr));
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piaddr(packet->client_addr), client_id_str);
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goto exit;
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}
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@ -510,9 +526,9 @@ valid_client_info_req(struct packet *packet, struct data_string *server_id) {
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packet->options, NULL,
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&global_scope, oc, MDL)) {
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log_error("Error processing %s from %s; "
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"unable to evaluate Server Identifier",
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"unable to evaluate Server Identifier%s",
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dhcpv6_type_names[packet->dhcpv6_msg_type],
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piaddr(packet->client_addr));
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piaddr(packet->client_addr), client_id_str);
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goto exit;
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}
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if ((server_duid.len != server_id->len) ||
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@ -520,13 +536,14 @@ valid_client_info_req(struct packet *packet, struct data_string *server_id) {
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server_duid.len) != 0)) {
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log_debug("Discarding %s from %s; "
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"not our server identifier "
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"(SERVERID %s, server DUID %s)",
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"(SERVERID %s, server DUID %s)%s",
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dhcpv6_type_names[packet->dhcpv6_msg_type],
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piaddr(packet->client_addr),
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print_hex_1(server_id->len,
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server_id->data, 60),
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print_hex_2(server_duid.len,
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server_duid.data, 60));
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server_duid.data, 60),
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client_id_str);
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goto exit;
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}
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}
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@ -583,7 +600,8 @@ static int
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get_encapsulated_IA_state(struct option_state **enc_opt_state,
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struct data_string *enc_opt_data,
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struct packet *packet,
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struct option_cache *oc) {
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struct option_cache *oc)
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{
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/*
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* Get the raw data for the encapsulated options.
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@ -627,7 +645,8 @@ get_encapsulated_IA_state(struct option_state **enc_opt_state,
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static int
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set_status_code(u_int16_t status_code, const char *status_message,
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struct option_state *opt_state) {
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struct option_state *opt_state)
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{
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struct data_string d;
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int ret_val;
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@ -661,7 +680,8 @@ start_reply(struct packet *packet,
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const struct data_string *client_id,
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const struct data_string *server_id,
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struct option_state **opt_state,
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struct dhcpv6_packet *reply) {
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struct dhcpv6_packet *reply)
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{
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struct option_cache *oc;
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struct data_string server_oro;
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const unsigned char *server_id_data;
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@ -777,7 +797,8 @@ start_reply(struct packet *packet,
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static isc_result_t
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try_client_v6_address(struct iaaddr **addr,
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struct ipv6_pool *pool,
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const struct data_string *requested_addr) {
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const struct data_string *requested_addr)
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{
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struct in6_addr tmp_addr;
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isc_result_t result;
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@ -823,7 +844,8 @@ pick_v6_address(struct iaaddr **addr,
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struct ipv6_pool **pool,
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struct packet *packet,
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const struct data_string *requested_iaaddr,
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const struct data_string *client_id) {
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const struct data_string *client_id)
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{
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const struct packet *chk_packet;
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const struct in6_addr *link_addr;
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const struct in6_addr *first_link_addr;
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@ -976,7 +998,8 @@ static void
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lease_to_client(struct data_string *reply_ret,
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struct packet *packet,
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const struct data_string *client_id,
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const struct data_string *server_id) {
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const struct data_string *server_id)
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{
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struct option_cache *oc;
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struct data_string packet_oro;
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struct host_decl *packet_host;
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@ -1826,7 +1849,6 @@ exit:
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* Otherwise we will send an advertise message.
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*/
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/* TODO: discard unicast messages */
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static void
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dhcpv6_solicit(struct data_string *reply_ret, struct packet *packet) {
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struct data_string client_id;
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@ -2111,7 +2133,8 @@ dhcpv6_rebind(struct data_string *reply, struct packet *packet) {
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static void
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ia_na_match_decline(const struct data_string *client_id,
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const struct data_string *iaaddr,
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struct iaaddr *lease) {
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struct iaaddr *lease)
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{
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char tmp_addr[INET6_ADDRSTRLEN];
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log_error("Client %s reports address %s is "
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@ -2132,7 +2155,8 @@ ia_na_nomatch_decline(const struct data_string *client_id,
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struct packet *packet,
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char *reply_data,
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int *reply_ofs,
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int reply_len) {
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int reply_len)
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{
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char tmp_addr[INET6_ADDRSTRLEN];
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struct option_state *host_opt_state;
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int len;
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@ -2204,7 +2228,8 @@ iterate_over_ia_na(struct data_string *reply_ret,
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const struct data_string *server_id,
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const char *packet_type,
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void (*ia_na_match)(),
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void (*ia_na_nomatch)()) {
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void (*ia_na_nomatch)())
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{
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struct option_state *opt_state;
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struct host_decl *packet_host;
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struct option_cache *ia;
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@ -2518,7 +2543,8 @@ dhcpv6_decline(struct data_string *reply, struct packet *packet) {
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static void
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ia_na_match_release(const struct data_string *client_id,
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const struct data_string *iaaddr,
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struct iaaddr *lease) {
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struct iaaddr *lease)
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{
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char tmp_addr[INET6_ADDRSTRLEN];
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log_info("Client %s releases address %s",
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@ -2537,7 +2563,8 @@ ia_na_nomatch_release(const struct data_string *client_id,
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struct packet *packet,
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char *reply_data,
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int *reply_ofs,
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int reply_len) {
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int reply_len)
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{
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char tmp_addr[INET6_ADDRSTRLEN];
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struct option_state *host_opt_state;
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int len;
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@ -2551,7 +2578,7 @@ ia_na_nomatch_release(const struct data_string *client_id,
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*/
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host_opt_state = NULL;
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if (!option_state_allocate(&host_opt_state, MDL)) {
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log_error("ia_na_match_release: out of memory "
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log_error("ia_na_nomatch_release: out of memory "
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"allocating option_state.");
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goto exit;
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}
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@ -2566,7 +2593,7 @@ ia_na_nomatch_release(const struct data_string *client_id,
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* Insure we have enough space
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*/
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if (reply_len < (*reply_ofs + 16)) {
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log_error("ia_na_match_release: "
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log_error("ia_na_nomatch_release: "
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"out of space for reply packet.");
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goto exit;
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}
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