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Added SNI ( https://en.wikipedia.org/wiki/Server_Name_Indication ) support.

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This commit is contained in:
Slavey Karadzhov
2016-02-19 11:41:45 +01:00
parent 885ff3e8f0
commit 63da8991c2
4 changed files with 44 additions and 0 deletions
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20
ssl/tls1_clnt.c
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@ -220,6 +220,26 @@ static int send_client_hello(SSL *ssl)
buf[offset++] = 1; /* no compression */
buf[offset++] = 0;
if (ssl->host_name[0] != 0) {
unsigned int host_len = strnlen((char*) ssl->host_name, 255);
buf[offset++] = 0;
buf[offset++] = host_len+9; /* extensions length */
buf[offset++] = 0;
buf[offset++] = 0; /* server_name(0) (65535) */
buf[offset++] = 0;
buf[offset++] = host_len+5; /* server_name length */
buf[offset++] = 0;
buf[offset++] = host_len+3; /* server_list length */
buf[offset++] = 0; /* host_name(0) (255) */
buf[offset++] = 0;
buf[offset++] = host_len; /* host_name length */
strncpy((char*) &buf[offset], ssl->host_name, host_len);
offset += host_len;
}
buf[3] = offset - 4; /* handshake size */
return send_packet(ssl, PT_HANDSHAKE_PROTOCOL, NULL, offset);