static int ByteTest04 (void) {
uint32_t val = 0x01020304;
uint32_t i32 = 0xbfbfbfbf;
uint8_t bytes[4] = { 0x01, 0x02, 0x03, 0x04 };
int ret = ByteExtractUint32(&i32, BYTE_BIG_ENDIAN, sizeof(bytes), bytes);
if ((ret == 4) && (i32 == val)) {
return 1;
}
return 0;
}
static int ParseTNSConnectPkt(TNSState *s, uint8_t *in,
uint32_t len, TNSPktHeader *hdr) {
/*
* @service_option:
* ____
* |15|
* |14|
* |13| -> broken connect notify
* |12| -> pkt checksum
* |11| -> hdr checksum
* |10| -> full duplex
* |09| -> half duplex
* |08| -> don't care
* |07| -> don't care
* |06| ->
* |05| ->
* |04| -> direct IO to transport
* |03| -> attention processing
* |02| -> can receive attention
* |01| -> can send attention
* |00|
* ----
*
* @nt_protocol_characters:
* ____
* |15| -> hangon to listener connec
* |14| -> confirmed release
* |13| -> TDU based IO
* |12| -> spawner running
* |11| -> data test
* |10| -> callback IO support
* |09| -> async IO support
* |08| -> packet oriented IO
* |07| -> can grant connection to another
* |06| -> can handoff connection to another
* |05| -> generate SIGIO signal
* |04| -> generate SIGPIPE signal
* |03| -> generate SIGURG signal
* |02| -> urgent IO support
* |01| -> full duplex IO support
* |00| -> test operation
* ----
*
* @conn_flag:
* ___
* |07| ->
* |06| ->
* |05| ->
* |04| -> NA service required
* |03| -> NA service linked in
* |02| -> NA service enabled
* |01| -> interchange is involved
* |00| -> NA service wanted
* ----
*/
struct tns_conn_ {
uint16_t version, version_compatible;
short service_option;
uint16_t session_data_unit_size,
max_transmission_data_unit_size;
short nt_protocol_characters;
uint16_t line_turnaround,
val_of_1_in_hardware,
length_of_connect_data,
offset_to_connect_data;
uint32_t max_recv_conn_data;
/* they seem the same value in wireshark */
uint8_t conn_flag0, conn_flag1;
uint32_t trace_cross_facility_item0,
trace_cross_facility_item1;
uint64_t trace_unique_conn_id;
char *conn_data;
} conn;
if (ByteExtractUint16(&conn.version, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint16(&conn.version_compatible, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint16((uint16_t *)&conn.service_option, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint16(&conn.session_data_unit_size, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint16(&conn.max_transmission_data_unit_size, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint16((uint16_t *)&conn.nt_protocol_characters, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint16(&conn.line_turnaround, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint16(&conn.val_of_1_in_hardware, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint16(&conn.length_of_connect_data, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint16(&conn.offset_to_connect_data, BYTE_LITTLE_ENDIAN, 2, p) <= 0)
SCReturnInt(-1);
p += 2;
if (ByteExtractUint32(&conn.max_recv_conn_data, BYTE_LITTLE_ENDIAN, 4, p) <= 0)
SCReturnInt(-1);
p += 4;
conn.conn_flag0 = *p;
++p;
conn.conn_flag1 = *p;
++p;
if (ByteExtractUint32(&conn.trace_cross_facility_item0, BYTE_LITTLE_ENDIAN, 4, p) <= 0)
SCReturnInt(-1);
p += 4;
if (ByteExtractUint32(&conn.trace_cross_facility_item1, BYTE_LITTLE_ENDIAN, 4, p) <= 0)
SCReturnInt(-1);
p += 4;
if (ByteExtractUint64(&conn.trace_unique_conn_id, BYTE_LITTLE_ENDIAN, 8, p) <= 0)
SCReturnInt(-1);
p += 8;
conn.conn_data = SCCalloc(conn.length_of_connect_data + 1);
if (conn.conn_data == NULL)
SCReturnInt(-1);
memcpy(conn.conn_data,
input + conn.offset_to_connect_data,
conn.length_of_connect_data);
/* if we need the conn, just attach to @s */
/* we may offer some parse on @conn_data to
retrieve more info about the connection */
s->conn_data = conn.conn_data;
s->cur_tx->req_conn = 1;
return 0;
}
