summaryrefslogtreecommitdiff
path: root/src/libsystemd-network/test-lldp.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libsystemd-network/test-lldp.c')
-rw-r--r--src/libsystemd-network/test-lldp.c231
1 files changed, 228 insertions, 3 deletions
diff --git a/src/libsystemd-network/test-lldp.c b/src/libsystemd-network/test-lldp.c
index 294198a0b5..e57102a576 100644
--- a/src/libsystemd-network/test-lldp.c
+++ b/src/libsystemd-network/test-lldp.c
@@ -25,14 +25,20 @@
#include <net/ethernet.h>
#include <arpa/inet.h>
+#include "sd-lldp.h"
+#include "sd-event.h"
+#include "event-util.h"
#include "macro.h"
#include "lldp.h"
#include "lldp-tlv.h"
+#include "lldp-network.h"
#define TEST_LLDP_PORT "em1"
#define TEST_LLDP_TYPE_SYSTEM_NAME "systemd-lldp"
#define TEST_LLDP_TYPE_SYSTEM_DESC "systemd-lldp-desc"
+static int test_fd[2];
+
static struct ether_addr mac_addr = {
.ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
};
@@ -226,17 +232,236 @@ static int lldp_parse_tlv_packet(tlv_packet *m, int len) {
return 0;
}
-int main(int argc, char *argv[]) {
+static void test_parser(void) {
_cleanup_lldp_packet_unref_ tlv_packet *tlv = NULL;
/* form a packet */
lldp_build_tlv_packet(&tlv);
-
/* parse the packet */
tlv_packet_parse_pdu(tlv, tlv->length);
-
/* verify */
lldp_parse_tlv_packet(tlv, tlv->length);
+}
+
+int lldp_network_bind_raw_socket(int ifindex) {
+ if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, test_fd) < 0)
+ return -errno;
+
+ return test_fd[0];
+}
+
+static int lldp_handler_calls;
+static void lldp_handler (sd_lldp *lldp, int event, void *userdata) {
+ lldp_handler_calls++;
+}
+
+static int start_lldp(sd_lldp **lldp, sd_event *e, sd_lldp_cb_t cb, void *cb_data) {
+ int r;
+
+ r = sd_lldp_new(42, "dummy", &mac_addr, lldp);
+ if (r)
+ return r;
+
+ r = sd_lldp_attach_event(*lldp, e, 0);
+ if (r)
+ return r;
+
+ r = sd_lldp_set_callback(*lldp, cb, cb_data);
+ if (r)
+ return r;
+
+ r = sd_lldp_start(*lldp);
+ if (r)
+ return r;
+
+ return 0;
+}
+
+static int stop_lldp(sd_lldp *lldp) {
+ int r;
+
+ r = sd_lldp_stop(lldp);
+ if (r)
+ return r;
+
+ r = sd_lldp_detach_event(lldp);
+ if (r)
+ return r;
+
+ sd_lldp_free(lldp);
+ safe_close(test_fd[1]);
+
+ return 0;
+}
+
+static void test_receive_basic_packet(sd_event *e) {
+ sd_lldp *lldp;
+ sd_lldp_packet **packets;
+ uint8_t type, *data;
+ uint16_t length, ttl;
+ int dest_type;
+ char *str;
+ uint8_t frame[] = {
+ /* Ethernet header */
+ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03, /* Destination MAC*/
+ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, /* Source MAC */
+ 0x88, 0xcc, /* Ethertype */
+ /* LLDP mandatory TLVs */
+ 0x02, 0x07, 0x04, 0x00, 0x01, 0x02, /* Chassis: MAC, 00:01:02:03:04:05 */
+ 0x03, 0x04, 0x05,
+ 0x04, 0x04, 0x05, 0x31, 0x2f, 0x33, /* Port: interface name, "1/3" */
+ 0x06, 0x02, 0x00, 0x78, /* TTL: 120 seconds*/
+ /* LLDP optional TLVs */
+ 0x08, 0x04, 0x50, 0x6f, 0x72, 0x74, /* Port Description: "Port" */
+ 0x0a, 0x03, 0x53, 0x59, 0x53, /* System Name: "SYS" */
+ 0x0c, 0x04, 0x66, 0x6f, 0x6f, 0x00, /* System Description: "foo" (NULL-terminated) */
+ 0x00, 0x00 /* End Of LLDPDU */
+ };
+
+ lldp_handler_calls = 0;
+ assert_se(start_lldp(&lldp, e, lldp_handler, NULL) == 0);
+
+ assert_se(write(test_fd[1], frame, sizeof(frame)) == sizeof(frame));
+ sd_event_run(e, 0);
+ assert_se(lldp_handler_calls == 1);
+ assert_se(sd_lldp_get_packets(lldp, &packets) == 1);
+
+ assert_se(sd_lldp_packet_read_chassis_id(packets[0], &type, &data, &length) == 0);
+ assert_se(type == LLDP_CHASSIS_SUBTYPE_MAC_ADDRESS);
+ assert_se(length == ETH_ALEN);
+ assert_se(!memcmp(data, "\x00\x01\x02\x03\x04\x05", ETH_ALEN));
+
+ assert_se(sd_lldp_packet_read_port_id(packets[0], &type, &data, &length) == 0);
+ assert_se(type == LLDP_PORT_SUBTYPE_INTERFACE_NAME);
+ assert_se(length == 3);
+ assert_se(strneq((char *) data, "1/3", 3));
+
+ assert_se(sd_lldp_packet_read_port_description(packets[0], &str, &length) == 0);
+ assert_se(length == 4);
+ assert_se(strneq(str, "Port", 4));
+
+ assert_se(sd_lldp_packet_read_system_name(packets[0], &str, &length) == 0);
+ assert_se(length == 3);
+ assert_se(strneq(str, "SYS", 3));
+
+ assert_se(sd_lldp_packet_read_system_description(packets[0], &str, &length) == 0);
+ assert_se(length == 4); /* This is the real length in the TLV packet */
+ assert_se(strneq(str, "foo", 3));
+
+ assert_se(sd_lldp_packet_read_ttl(packets[0], &ttl) == 0);
+ assert_se(ttl == 120);
+
+ assert_se(sd_lldp_packet_get_destination_type(packets[0], &dest_type) == 0);
+ assert_se(dest_type == SD_LLDP_DESTINATION_TYPE_NEAREST_NON_TPMR_BRIDGE);
+
+ sd_lldp_packet_unref(packets[0]);
+ free(packets);
+
+ assert_se(stop_lldp(lldp) == 0);
+}
+
+static void test_receive_incomplete_packet(sd_event *e) {
+ sd_lldp *lldp;
+ sd_lldp_packet **packets;
+ uint8_t frame[] = {
+ /* Ethernet header */
+ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03, /* Destination MAC*/
+ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, /* Source MAC */
+ 0x88, 0xcc, /* Ethertype */
+ /* LLDP mandatory TLVs */
+ 0x02, 0x07, 0x04, 0x00, 0x01, 0x02, /* Chassis: MAC, 00:01:02:03:04:05 */
+ 0x03, 0x04, 0x05,
+ 0x04, 0x04, 0x05, 0x31, 0x2f, 0x33, /* Port: interface name, "1/3" */
+ /* Missing TTL */
+ 0x00, 0x00 /* End Of LLDPDU */
+ };
+
+ lldp_handler_calls = 0;
+ assert_se(start_lldp(&lldp, e, lldp_handler, NULL) == 0);
+
+ assert_se(write(test_fd[1], frame, sizeof(frame)) == sizeof(frame));
+ sd_event_run(e, 0);
+ assert_se(lldp_handler_calls == 0);
+ assert_se(sd_lldp_get_packets(lldp, &packets) == 0);
+
+ assert_se(stop_lldp(lldp) == 0);
+}
+
+static void test_receive_oui_packet(sd_event *e) {
+ sd_lldp *lldp;
+ sd_lldp_packet **packets;
+ uint32_t id32;
+ uint16_t id16, len;
+ uint8_t flags;
+ char *str;
+ uint8_t frame[] = {
+ /* Ethernet header */
+ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03, /* Destination MAC*/
+ 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, /* Source MAC */
+ 0x88, 0xcc, /* Ethertype */
+ /* LLDP mandatory TLVs */
+ 0x02, 0x07, 0x04, 0x00, 0x01, 0x02, /* Chassis: MAC, 00:01:02:03:04:05 */
+ 0x03, 0x04, 0x05,
+ 0x04, 0x04, 0x05, 0x31, 0x2f, 0x33, /* Port TLV: interface name, "1/3" */
+ 0x06, 0x02, 0x00, 0x78, /* TTL: 120 seconds*/
+ /* LLDP optional TLVs */
+ 0xfe, 0x06, 0x00, 0x80, 0xc2, 0x01, /* Port VLAN ID: 0x1234 */
+ 0x12, 0x34,
+ 0xfe, 0x07, 0x00, 0x80, 0xc2, 0x02, /* Port and protocol: flag 1, PPVID 0x7788 */
+ 0x01, 0x77, 0x88,
+ 0xfe, 0x0d, 0x00, 0x80, 0xc2, 0x03, /* VLAN Name: ID 0x1234, name "Vlan51" */
+ 0x12, 0x34, 0x06, 0x56, 0x6c, 0x61,
+ 0x6e, 0x35, 0x31,
+ 0xfe, 0x06, 0x00, 0x80, 0xc2, 0x06, /* Management VID: 0x0102 */
+ 0x01, 0x02,
+ 0xfe, 0x09, 0x00, 0x80, 0xc2, 0x07, /* Link aggregation: status 1, ID 0x00140012 */
+ 0x01, 0x00, 0x14, 0x00, 0x12,
+ 0x00, 0x00 /* End of LLDPDU */
+ };
+
+ lldp_handler_calls = 0;
+ assert_se(start_lldp(&lldp, e, lldp_handler, NULL) == 0);
+
+ assert_se(write(test_fd[1], frame, sizeof(frame)) == sizeof(frame));
+ sd_event_run(e, 0);
+ assert_se(lldp_handler_calls == 1);
+ assert_se(sd_lldp_get_packets(lldp, &packets) == 1);
+
+ assert_se(sd_lldp_packet_read_port_vlan_id(packets[0], &id16) == 0);
+ assert_se(id16 == 0x1234);
+
+ assert_se(sd_lldp_packet_read_port_protocol_vlan_id(packets[0], &flags, &id16) == 0);
+ assert_se(flags == 1);
+ assert_se(id16 == 0x7788);
+
+ assert_se(sd_lldp_packet_read_vlan_name(packets[0], &id16, &str, &len) == 0);
+ assert_se(id16 == 0x1234);
+ assert_se(len == 6);
+ assert_se(strneq(str, "Vlan51", 6));
+
+ assert_se(sd_lldp_packet_read_management_vid(packets[0], &id16) == 0);
+ assert_se(id16 == 0x0102);
+
+ assert_se(sd_lldp_packet_read_link_aggregation(packets[0], &flags, &id32) == 0);
+ assert_se(flags == 1);
+ assert_se(id32 == 0x00140012);
+
+ sd_lldp_packet_unref(packets[0]);
+ free(packets);
+
+ assert_se(stop_lldp(lldp) == 0);
+}
+
+int main(int argc, char *argv[]) {
+ _cleanup_event_unref_ sd_event *e = NULL;
+
+ test_parser();
+
+ /* LLDP reception tests */
+ assert_se(sd_event_new(&e) == 0);
+ test_receive_basic_packet(e);
+ test_receive_incomplete_packet(e);
+ test_receive_oui_packet(e);
return 0;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-27 04:48:01 +0000