commit 11fa71b9ddb429088f325cfda430183003ccd1db
author Jerome Forissier <jerome@forissier.org> Mon Apr 20 17:17:56 2020 +0200
committer Jérôme Forissier <jerome@forissier.org> Tue Apr 21 10:43:39 2020 +0200
tree 049d555caf52db994da786cc2331810511531708
parent 8287cbcf8aef57bab94b81821008c8f7d48a5d34

Squashed commit upgrading to mbedtls-2.22.0

Squash merging branch import/mbedtls-2.22.0

5cab03377186 ("mk/clang.mk: define libgcc$(sm)")
3607a5386a72 ("core: mbedtls: enable MBEDTLS_ECDH_LEGACY_CONTEXT")
896c8845bbda ("mbedtls: remove file md_wrap.c from build")
400b2af54fa0 ("libmbedtls: mbedtls_mpi_exp_mod(): optimize mempool usage")
777827c7af3d ("libmbedtls: mbedtls_mpi_exp_mod(): reduce stack usage")
549e4600678e ("libmbedtls: preserve mempool usage on reinit")
02d636083fe2 ("libmbedtls: mbedtls_mpi_exp_mod() initialize W")
d2ac2b3c92bf ("libmbedtls: fix no CRT issue")
f550879d5be2 ("libmbedtls: add interfaces in mbedtls for context memory operation")
219173d807ce ("libmedtls: mpi_miller_rabin: increase count limit")
7930b0b6b5e4 ("libmbedtls: add mbedtls_mpi_init_mempool()")
78af9fdc120f ("libmbedtls: make mbedtls_mpi_mont*() available")
8f7357271cc2 ("libmbedtls: refine mbedtls license header")
c5993878881f ("mbedtls: configure mbedtls to reach for config")
6f9c587783af ("mbedtls: remove default include/mbedtls/config.h")
3d3bd3b12752 ("Import mbedtls-2.22.0")

Signed-off-by: Jerome Forissier <jerome@forissier.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>

lib/libmbedtls/mbedtls/library/net_sockets.c

diff --git a/lib/libmbedtls/mbedtls/library/net_sockets.c b/lib/libmbedtls/mbedtls/library/net_sockets.c
index 4715cfa..bb313c2 100644
--- a/lib/libmbedtls/mbedtls/library/net_sockets.c
+++ b/lib/libmbedtls/mbedtls/library/net_sockets.c
@@ -45,6 +45,7 @@
 #endif
 
 #include "mbedtls/net_sockets.h"
+#include "mbedtls/error.h"
 
 #include <string.h>
 
@@ -147,7 +148,7 @@
 int mbedtls_net_connect( mbedtls_net_context *ctx, const char *host,
                          const char *port, int proto )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     struct addrinfo hints, *addr_list, *cur;
 
     if( ( ret = net_prepare() ) != 0 )
@@ -313,7 +314,7 @@
                         mbedtls_net_context *client_ctx,
                         void *client_ip, size_t buf_size, size_t *ip_len )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     int type;
 
     struct sockaddr_storage client_addr;
@@ -455,7 +456,7 @@
 
 int mbedtls_net_poll( mbedtls_net_context *ctx, uint32_t rw, uint32_t timeout )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     struct timeval tv;
 
     fd_set read_fds;
@@ -540,7 +541,7 @@
  */
 int mbedtls_net_recv( void *ctx, unsigned char *buf, size_t len )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     int fd = ((mbedtls_net_context *) ctx)->fd;
 
     if( fd < 0 )
@@ -577,7 +578,7 @@
 int mbedtls_net_recv_timeout( void *ctx, unsigned char *buf,
                               size_t len, uint32_t timeout )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     struct timeval tv;
     fd_set read_fds;
     int fd = ((mbedtls_net_context *) ctx)->fd;
@@ -620,7 +621,7 @@
  */
 int mbedtls_net_send( void *ctx, const unsigned char *buf, size_t len )
 {
-    int ret;
+    int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     int fd = ((mbedtls_net_context *) ctx)->fd;
 
     if( fd < 0 )
@@ -652,6 +653,19 @@
 }
 
 /*
+ * Close the connection
+ */
+void mbedtls_net_close( mbedtls_net_context *ctx )
+{
+    if( ctx->fd == -1 )
+        return;
+
+    close( ctx->fd );
+
+    ctx->fd = -1;
+}
+
+/*
  * Gracefully close the connection
  */
 void mbedtls_net_free( mbedtls_net_context *ctx )