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enhance: imitate_tcp_packet() support setting tcp options

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luwenpeng
2024-07-02 17:55:55 +08:00
parent 5591227b9a
commit 2c0ec4072f
8 changed files with 73 additions and 16 deletions
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9
include/stellar/packet.h
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@@ -36,7 +36,14 @@ uint16_t packet_get_raw_len(const struct packet *pkt);
const char *packet_get_payload(const struct packet *pkt);
uint16_t packet_get_payload_len(const struct packet *pkt);
struct packet *imitate_tcp_packet(const struct packet *origin_pkt, uint32_t tcp_seq, uint32_t tcp_ack, uint8_t tcp_flags, const char *tcp_payload, uint16_t tcp_payload_len);
/*
* tcp_seq: the sequence number of the new TCP packet (in host byte order)
* tcp_ack: the acknowledgment number of the new TCP packet (in host byte order)
* tcp_options_len: the length of the options (must be a multiple of 4)
*/
struct packet *imitate_tcp_packet(const struct packet *origin_pkt, uint32_t tcp_seq, uint32_t tcp_ack, uint8_t tcp_flags,
const char *tcp_options, uint16_t tcp_options_len,
const char *tcp_payload, uint16_t tcp_payload_len);
struct packet *imitate_udp_packet(const struct packet *origin_pkt, const char *udp_payload, uint16_t udp_payload_len);
struct packet *craft_packet_from_scratch(const struct layer larers[], uint16_t layer_count, const char *payload, uint16_t payload_len);