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Fix TLS 1.2 session serialization on server side

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Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2023-11-23 12:34:43 +01:00
parent 7b1921ac57
commit feb577a949
1 changed files with 35 additions and 31 deletions
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66
library/ssl_tls.c
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@ -9059,20 +9059,22 @@ static size_t ssl_tls12_session_save(const mbedtls_ssl_session *session,
* Session ticket if any, plus associated data
*/
#if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
used += 3 + session->ticket_len + 4; /* len + ticket + lifetime */
if (session->endpoint == MBEDTLS_SSL_IS_CLIENT) {
used += 3 + session->ticket_len + 4; /* len + ticket + lifetime */
if (used <= buf_len) {
*p++ = MBEDTLS_BYTE_2(session->ticket_len);
*p++ = MBEDTLS_BYTE_1(session->ticket_len);
*p++ = MBEDTLS_BYTE_0(session->ticket_len);
if (used <= buf_len) {
*p++ = MBEDTLS_BYTE_2(session->ticket_len);
*p++ = MBEDTLS_BYTE_1(session->ticket_len);
*p++ = MBEDTLS_BYTE_0(session->ticket_len);
if (session->ticket != NULL) {
memcpy(p, session->ticket, session->ticket_len);
p += session->ticket_len;
if (session->ticket != NULL) {
memcpy(p, session->ticket, session->ticket_len);
p += session->ticket_len;
}
MBEDTLS_PUT_UINT32_BE(session->ticket_lifetime, p, 0);
p += 4;
}
MBEDTLS_PUT_UINT32_BE(session->ticket_lifetime, p, 0);
p += 4;
}
#endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
@ -9241,33 +9243,35 @@ static int ssl_tls12_session_load(mbedtls_ssl_session *session,
* Session ticket and associated data
*/
#if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C)
if (3 > (size_t) (end - p)) {
return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
}
session->ticket_len = MBEDTLS_GET_UINT24_BE(p, 0);
p += 3;
if (session->ticket_len != 0) {
if (session->ticket_len > (size_t) (end - p)) {
if (session->endpoint == MBEDTLS_SSL_IS_CLIENT) {
if (3 > (size_t) (end - p)) {
return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
}
session->ticket = mbedtls_calloc(1, session->ticket_len);
if (session->ticket == NULL) {
return MBEDTLS_ERR_SSL_ALLOC_FAILED;
session->ticket_len = MBEDTLS_GET_UINT24_BE(p, 0);
p += 3;
if (session->ticket_len != 0) {
if (session->ticket_len > (size_t) (end - p)) {
return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
}
session->ticket = mbedtls_calloc(1, session->ticket_len);
if (session->ticket == NULL) {
return MBEDTLS_ERR_SSL_ALLOC_FAILED;
}
memcpy(session->ticket, p, session->ticket_len);
p += session->ticket_len;
}
memcpy(session->ticket, p, session->ticket_len);
p += session->ticket_len;
}
if (4 > (size_t) (end - p)) {
return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
}
if (4 > (size_t) (end - p)) {
return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
session->ticket_lifetime = MBEDTLS_GET_UINT32_BE(p, 0);
p += 4;
}
session->ticket_lifetime = MBEDTLS_GET_UINT32_BE(p, 0);
p += 4;
#endif /* MBEDTLS_SSL_SESSION_TICKETS && MBEDTLS_SSL_CLI_C */
/*