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ngtcp2: add support for SSLKEYLOGFILE

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Closes #4260
This commit is contained in:
Daniel Stenberg 2019-08-24 19:11:25 +02:00
parent 30a606e066
commit aae22fdbd5
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GPG key ID: 5CC908FDB71E12C2
1 changed files with 18 additions and 0 deletions
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18
lib/vquic/ngtcp2.c
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@ -285,9 +285,19 @@ static int transport_params_parse_cb(SSL *ssl, unsigned int ext_type,
return 1;
}
static FILE *keylog_file; /* not thread-safe */
static void keylog_callback(const SSL *ssl, const char *line)
{
(void)ssl;
fputs(line, keylog_file);
fputc('\n', keylog_file);
fflush(keylog_file);
}
static SSL_CTX *quic_ssl_ctx(struct Curl_easy *data)
{
SSL_CTX *ssl_ctx = SSL_CTX_new(TLS_method());
const char *keylog_filename;
SSL_CTX_set_min_proto_version(ssl_ctx, TLS1_3_VERSION);
SSL_CTX_set_max_proto_version(ssl_ctx, TLS1_3_VERSION);
@ -323,6 +333,14 @@ static SSL_CTX *quic_ssl_ctx(struct Curl_easy *data)
return NULL;
}
keylog_filename = getenv("SSLKEYLOGFILE");
if(keylog_filename) {
keylog_file = fopen(keylog_filename, "wb");
if(keylog_file) {
SSL_CTX_set_keylog_callback(ssl_ctx, keylog_callback);
}
}
return ssl_ctx;
}