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* SNI added

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* Some non-C sample code updated.

git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@271 9a5d90b5-6617-0410-8a86-bb477d3ed2e3
This commit is contained in:
cameronrich
2016-12-12 19:27:38 +00:00
committed by Ivan Grokhotkov
parent a68324f17c
commit 425067abe6
18 changed files with 5701 additions and 48 deletions
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58
ssl/tls1_clnt.c
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@@ -195,9 +195,8 @@ static int send_client_hello(SSL *ssl)
time_t tm = time(NULL);
uint8_t *tm_ptr = &buf[6]; /* time will go here */
int i, offset, ext_offset;
uint16_t ext_len; /* extensions total length */
int ext_len = 0;
ext_len = 0;
buf[0] = HS_CLIENT_HELLO;
buf[1] = 0;
@@ -257,39 +256,44 @@ static int send_client_hello(SSL *ssl)
ext_len += sizeof(g_sig_alg);
}
if (ssl->extensions != NULL) {
if (ssl->extensions != NULL)
{
/* send the host name if specified */
if (ssl->extensions->host_name != NULL) {
unsigned int host_len = strlen(ssl->extensions->host_name);
buf[offset++] = 0;
buf[offset++] = SSL_EXT_SERVER_NAME; /* 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->extensions->host_name, host_len);
offset += host_len;
ext_len += host_len + 9;
if (ssl->extensions->host_name != NULL)
{
size_t host_len = strlen(ssl->extensions->host_name);
buf[offset++] = 0;
buf[offset++] = SSL_EXT_SERVER_NAME; /* 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->extensions->host_name, host_len);
offset += host_len;
ext_len += host_len + 9;
}
if (ssl->extensions->max_fragment_size) {
buf[offset++] = 0;
buf[offset++] = SSL_EXT_MAX_FRAGMENT_SIZE;
if (ssl->extensions->max_fragment_size)
{
buf[offset++] = 0;
buf[offset++] = SSL_EXT_MAX_FRAGMENT_SIZE;
buf[offset++] = 0; // size of data
buf[offset++] = 2;
buf[offset++] = 0; // size of data
buf[offset++] = 2;
buf[offset++] = (uint8_t)((ssl->extensions->max_fragment_size >> 8) & 0xff);
buf[offset++] = (uint8_t)(ssl->extensions->max_fragment_size & 0xff);
ext_len += 6;
buf[offset++] = (uint8_t)
((ssl->extensions->max_fragment_size >> 8) & 0xff);
buf[offset++] = (uint8_t)
(ssl->extensions->max_fragment_size & 0xff);
ext_len += 6;
}
}
if(ext_len > 0) {
if (ext_len > 0)
{
// update the extensions length value
buf[ext_offset] = (uint8_t) ((ext_len >> 8) & 0xff);
buf[ext_offset + 1] = (uint8_t) (ext_len & 0xff);