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Add ALPN extension

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This commit is contained in:
Zhi Guan
2026-06-06 15:45:07 +08:00
parent d7923cb0e0
commit dbe0251872
5 changed files with 446 additions and 2 deletions
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22
include/gmssl/tls.h
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@@ -836,6 +836,8 @@ typedef struct {
// 16. application_layer_protocol_negotiation
int application_layer_protocol_negotiation;
char *alpn_protocols[4];
size_t alpn_protocols_cnt;
// 18. signed_certificate_timestamp
int signed_certificate_timestamp;
@@ -1166,6 +1168,7 @@ typedef struct {
// 16. application_layer_protocol_negotiation
int application_layer_protocol_negotiation;
char *alpn_selected;
// 18. signed_certificate_timestamp
int signed_certificate_timestamp;
@@ -1764,6 +1767,25 @@ int tls_server_name_from_bytes(const uint8_t **host_name, size_t *host_name_len,
const uint8_t *ext_data, size_t ext_datalen);
int tls_server_name_print(FILE *fp, int fmt, int ind, const uint8_t *ext_data, size_t ext_datalen);
// 16. application_layer_protocol_negotiation
int tls_ctx_set_application_layer_protocol_negotiation(TLS_CTX *ctx,
char *protocols[], size_t protocols_cnt);
int tls_application_layer_protocol_negotiation_ext_to_bytes(
char *protocols[], size_t protocols_cnt, uint8_t **out, size_t *outlen);
int tls_application_layer_protocol_negotiation_selected_ext_to_bytes(
char *protocol, uint8_t **out, size_t *outlen);
int tls_application_layer_protocol_negotiation_from_bytes(
const uint8_t **protocol_name_list, size_t *protocol_name_list_len,
const uint8_t *ext_data, size_t ext_datalen);
int tls_application_layer_protocol_negotiation_select(
const uint8_t *ext_data, size_t ext_datalen,
char *local_protocols[], size_t local_protocols_cnt, char **selected);
int tls_application_layer_protocol_negotiation_selected_from_bytes(
char **selected, const uint8_t *ext_data, size_t ext_datalen,
char *local_protocols[], size_t local_protocols_cnt);
int tls_application_layer_protocol_negotiation_print(FILE *fp, int fmt, int ind,
const uint8_t *ext_data, size_t ext_datalen);
// 5. status_request (OCSP stapling)
enum {