static int lldp_parse_port_id_tlv(tlv_packet *m) {
_cleanup_free_ char *p = NULL;
char *str = NULL;
uint16_t length;
uint8_t subtype;
assert_se(lldp_tlv_packet_enter_container(m, LLDP_TYPE_PORT_ID) >= 0);
assert_se(tlv_packet_read_u8(m, &subtype) >= 0);
switch (subtype) {
case LLDP_PORT_SUBTYPE_INTERFACE_NAME:
assert_se(tlv_packet_read_string(m, &str, &length) >= 0);
p = strndup(str, length-1);
assert_se(p);
assert_se(streq(p, TEST_LLDP_PORT) == 1);
break;
default:
assert_not_reached("Unhandled option");
}
assert_se(lldp_tlv_packet_exit_container(m) >= 0);
return 0;
}
static int lldp_parse_ttl_tlv(tlv_packet *m) {
uint16_t ttl;
assert_se(lldp_tlv_packet_enter_container(m, LLDP_TYPE_TTL) >= 0);
assert_se(tlv_packet_read_u16(m, &ttl) >= 0);
assert_se(ttl == 170);
assert_se(lldp_tlv_packet_exit_container(m) >= 0);
return 0;
}
static int lldp_parse_system_desc_tlv(tlv_packet *m) {
char *str = NULL, *p;
uint16_t length;
assert_se(lldp_tlv_packet_enter_container(m, LLDP_TYPE_SYSTEM_DESCRIPTION) >= 0);
assert_se(tlv_packet_read_string(m, &str, &length) >= 0);
p = malloc0(length + 1);
strncpy(p, str, length);
assert_se(streq(p, TEST_LLDP_TYPE_SYSTEM_DESC) == 1);
assert_se(lldp_tlv_packet_exit_container(m) >= 0);
return 0;
}
static int lldp_parse_system_desc_tlv(tlv_packet *m) {
_cleanup_free_ char *p = NULL;
char *str = NULL;
uint16_t length;
assert_se(lldp_tlv_packet_enter_container(m, LLDP_TYPE_SYSTEM_DESCRIPTION) >= 0);
assert_se(tlv_packet_read_string(m, &str, &length) >= 0);
p = strndup(str, length);
assert_se(p);
assert_se(streq(p, TEST_LLDP_TYPE_SYSTEM_DESC) == 1);
assert_se(lldp_tlv_packet_exit_container(m) >= 0);
return 0;
}
static int lldp_parse_chassis_tlv(tlv_packet *m, uint8_t *type) {
uint8_t *p, subtype;
uint16_t length;
assert_se(lldp_tlv_packet_enter_container(m, LLDP_TYPE_CHASSIS_ID) >= 0);
assert_se(tlv_packet_read_u8(m, &subtype) >= 0);
switch (subtype) {
case LLDP_CHASSIS_SUBTYPE_MAC_ADDRESS:
*type = LLDP_CHASSIS_SUBTYPE_MAC_ADDRESS;
assert_se(tlv_packet_read_bytes(m, &p, &length) >= 0);
assert_se(memcmp(p, &mac_addr.ether_addr_octet, ETHER_ADDR_LEN) == 0);
break;
default:
assert_not_reached("Unhandled option");
}
assert_se(lldp_tlv_packet_exit_container(m) >= 0);
return 0;
}