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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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35
src/tls.c
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@@ -2670,6 +2670,39 @@ int tls_ctx_set_signature_algorithms(TLS_CTX *ctx, const int *sig_algs, size_t s
return 1;
}
int tls_ctx_set_application_layer_protocol_negotiation(TLS_CTX *ctx,
char *protocols[], size_t protocols_cnt)
{
size_t i;
if (!ctx || !protocols || !protocols_cnt) {
error_print();
return -1;
}
if (protocols_cnt > sizeof(ctx->alpn_protocols)/sizeof(ctx->alpn_protocols[0])) {
error_print();
return -1;
}
for (i = 0; i < protocols_cnt; i++) {
size_t protocol_len;
if (!protocols[i]) {
error_print();
return -1;
}
protocol_len = strlen(protocols[i]);
if (protocol_len < 1 || protocol_len > 255) {
error_print();
return -1;
}
ctx->alpn_protocols[i] = protocols[i];
}
ctx->alpn_protocols_cnt = protocols_cnt;
ctx->application_layer_protocol_negotiation = 1;
return 1;
}
int tls_ctx_set_key_update_seq_num_limit(TLS_CTX *ctx, size_t max_seq_num)
{
if (!ctx) {
@@ -2919,5 +2952,3 @@ int tls_compute_verify_data(const uint8_t master_secret[48],
}
return 1;
}