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/****************************************************************
* *
* Copyright (c) 2013-2023 Fidelity National Information *
* Services, Inc. and/or its subsidiaries. All rights reserved. *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#include "mdef.h"
#include "gtm_tls.h"
#include "have_crit.h"
/* This file defines wrapper functions that defer interrupts, invoke the SSL/TLS function and enable interrupts. This guarantees
* that system calls invoked by the SSL/TLS library (or OpenSSL) are not interrupted by internal (like SIGALRM) or external
* signals (like SIGTERM) thereby avoiding any deadlocks. Note that this file has to be maintained in sync with gtm_tls_interface.h.
*/
const char *intrsafe_gtm_tls_get_error(gtm_tls_socket_t *tlssocket)
{
const char *rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_get_error_fptr)(tlssocket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_errno(void)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_errno_fptr)();
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
gtm_tls_ctx_t *intrsafe_gtm_tls_init(int version, int flags)
{
gtm_tls_ctx_t *rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_init_fptr)(version, flags);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
void intrsafe_gtm_tls_prefetch_passwd(gtm_tls_ctx_t *tls_ctx, char *env_name)
{
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
(*gtm_tls_prefetch_passwd_fptr)(tls_ctx, env_name);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
}
gtm_tls_socket_t *intrsafe_gtm_tls_socket(gtm_tls_ctx_t *ctx, gtm_tls_socket_t *prev_socket, int sockfd, char *id, int flags)
{
gtm_tls_socket_t *rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_socket_fptr)(ctx, prev_socket, sockfd, id, flags);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_connect(gtm_tls_socket_t *socket)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_connect_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_accept(gtm_tls_socket_t *socket)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_accept_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_did_post_hand_shake(gtm_tls_socket_t *socket)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_did_post_hand_shake_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_do_post_hand_shake(gtm_tls_socket_t *socket)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_do_post_hand_shake_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_has_post_hand_shake(gtm_tls_socket_t *socket)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_has_post_hand_shake_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_repeat_hand_shake(gtm_tls_socket_t *socket)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_repeat_hand_shake_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_does_renegotiate(gtm_tls_socket_t *socket)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_does_renegotiate_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_renegotiate(gtm_tls_socket_t *socket)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_renegotiate_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_get_conn_info(gtm_tls_socket_t *socket, gtm_tls_conn_info *conn_info)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_get_conn_info_fptr)(socket, conn_info);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_send(gtm_tls_socket_t *socket, char *buf, int send_len)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_send_fptr)(socket, buf, send_len);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_recv(gtm_tls_socket_t *socket, char *buf, int recv_len)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_recv_fptr)(socket, buf, recv_len);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_cachedbytes(gtm_tls_socket_t *socket)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_cachedbytes_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
void intrsafe_gtm_tls_socket_close(gtm_tls_socket_t *socket)
{
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
(*gtm_tls_socket_close_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
}
void intrsafe_gtm_tls_session_close(gtm_tls_socket_t **socket)
{
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
(*gtm_tls_session_close_fptr)(socket);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
}
void intrsafe_gtm_tls_fini(gtm_tls_ctx_t **ctx)
{
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
(*gtm_tls_fini_fptr)(ctx);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
}
int intrsafe_gtm_tls_store_passwd(gtm_tls_ctx_t *tls_ctx, const char *tlsid, const char *obs_passwd)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_store_passwd_fptr)(tls_ctx, tlsid, obs_passwd);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_add_config(gtm_tls_ctx_t *tls_ctx, const char *idstr, const char *configstr)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_add_config_fptr)(tls_ctx, idstr, configstr);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_renegotiate_options(gtm_tls_socket_t *socket, int msec_timeout,
char *idstr, char *configstr, int tlsid_present)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_renegotiate_options_fptr)(socket, msec_timeout, idstr, configstr, tlsid_present);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
int intrsafe_gtm_tls_version(int caller_version)
{
int rv;
intrpt_state_t prev_intrpt_state;
DEFER_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
rv = (*gtm_tls_version_fptr)(caller_version);
ENABLE_INTERRUPTS(INTRPT_IN_TLS_FUNCTION, prev_intrpt_state);
return rv;
}
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