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Remove in_hshdr

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The first fragment of a fragmented handshake message always starts at the beginning of the buffer so there's no need to store it.

Signed-off-by: Deomid rojer Ryabkov <rojer@rojer.me>
This commit is contained in:
Deomid rojer Ryabkov
2025-02-13 13:41:51 +03:00
parent cf4e6a18e6
commit dd14c0a11e
3 changed files with 12 additions and 22 deletions
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10
library/ssl_tls.c
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@ -345,15 +345,11 @@ static void handle_buffer_resizing(mbedtls_ssl_context *ssl, int downsizing,
int modified = 0;
size_t written_in = 0, iv_offset_in = 0, len_offset_in = 0, hdr_in = 0;
size_t written_out = 0, iv_offset_out = 0, len_offset_out = 0;
size_t hshdr_in = 0;
if (ssl->in_buf != NULL) {
written_in = ssl->in_msg - ssl->in_buf;
iv_offset_in = ssl->in_iv - ssl->in_buf;
len_offset_in = ssl->in_len - ssl->in_buf;
hdr_in = ssl->in_hdr - ssl->in_buf;
if (ssl->in_hshdr != NULL) {
hshdr_in = ssl->in_hshdr - ssl->in_buf;
}
if (downsizing ?
ssl->in_buf_len > in_buf_new_len && ssl->in_left < in_buf_new_len :
ssl->in_buf_len < in_buf_new_len) {
@ -398,9 +394,6 @@ static void handle_buffer_resizing(mbedtls_ssl_context *ssl, int downsizing,
ssl->in_msg = ssl->in_buf + written_in;
ssl->in_len = ssl->in_buf + len_offset_in;
ssl->in_iv = ssl->in_buf + iv_offset_in;
if (ssl->in_hshdr != NULL) {
ssl->in_hshdr = ssl->in_buf + hshdr_in;
}
}
}
#endif /* MBEDTLS_SSL_VARIABLE_BUFFER_LENGTH */
@ -1494,10 +1487,9 @@ void mbedtls_ssl_session_reset_msg_layer(mbedtls_ssl_context *ssl,
ssl->in_msgtype = 0;
ssl->in_msglen = 0;
ssl->in_hslen = 0;
ssl->in_hsfraglen = 0;
ssl->keep_current_message = 0;
ssl->transform_in = NULL;
ssl->in_hshdr = NULL;
ssl->in_hsfraglen = 0;
#if defined(MBEDTLS_SSL_PROTO_DTLS)
ssl->next_record_offset = 0;