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path: root/src/backend/libpq/be-secure-openssl.c
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Diffstat (limited to 'src/backend/libpq/be-secure-openssl.c')
-rw-r--r--src/backend/libpq/be-secure-openssl.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/src/backend/libpq/be-secure-openssl.c b/src/backend/libpq/be-secure-openssl.c
index 9e22911379a..4f9d0fdb092 100644
--- a/src/backend/libpq/be-secure-openssl.c
+++ b/src/backend/libpq/be-secure-openssl.c
@@ -424,6 +424,7 @@ aloop:
* per-thread error queue following another call to an OpenSSL I/O
* routine.
*/
+ errno = 0;
ERR_clear_error();
r = SSL_accept(port->ssl);
if (r <= 0)
@@ -460,7 +461,7 @@ aloop:
WAIT_EVENT_SSL_OPEN_SERVER);
goto aloop;
case SSL_ERROR_SYSCALL:
- if (r < 0)
+ if (r < 0 && errno != 0)
ereport(COMMERROR,
(errcode_for_socket_access(),
errmsg("could not accept SSL connection: %m")));
@@ -636,7 +637,7 @@ be_tls_read(Port *port, void *ptr, size_t len, int *waitfor)
break;
case SSL_ERROR_SYSCALL:
/* leave it to caller to ereport the value of errno */
- if (n != -1)
+ if (n != -1 || errno == 0)
{
errno = ECONNRESET;
n = -1;
@@ -694,8 +695,14 @@ be_tls_write(Port *port, void *ptr, size_t len, int *waitfor)
n = -1;
break;
case SSL_ERROR_SYSCALL:
- /* leave it to caller to ereport the value of errno */
- if (n != -1)
+
+ /*
+ * Leave it to caller to ereport the value of errno. However, if
+ * errno is still zero then assume it's a read EOF situation, and
+ * report ECONNRESET. (This seems possible because SSL_write can
+ * also do reads.)
+ */
+ if (n != -1 || errno == 0)
{
errno = ECONNRESET;
n = -1;