Add gnutls_enable_pkcs11 option.

[exim.git] / src / src / ip.c

diff --git a/src/src/ip.c b/src/src/ip.c
index 2be68240c4975efe75bb345879f615e972ed7162..b0c98878b6736b9f3365129d50a11ee10a22af4a 100644 (file)
--- a/src/src/ip.c
+++ b/src/src/ip.c
@@ -347,8 +347,10 @@ for (;;)
 close down of the connection), set errno to zero; otherwise leave it alone. */
 
 #ifdef SUPPORT_TLS
-if (tls_active == sock)
-  rc = tls_read(buffer, buffsize);
+if (tls_out.active == sock)
+  rc = tls_read(FALSE, buffer, buffsize);
+else if (tls_in.active == sock)
+  rc = tls_read(TRUE, buffer, buffsize);
 else
 #endif
   rc = recv(sock, buffer, buffsize, 0);
@@ -361,6 +363,37 @@ return -1;
 
 
 
+/*************************************************
+*    Lookup address family of potential socket   *
+*************************************************/
+
+/* Given a file-descriptor, check to see if it's a socket and, if so,
+return the address family; detects IPv4 vs IPv6.  If not a socket then
+return -1.
+
+The value 0 is typically AF_UNSPEC, which should not be seen on a connected
+fd.  If the return is -1, the errno will be from getsockname(); probably
+ENOTSOCK or ECONNRESET.
+
+Arguments:     socket-or-not fd
+Returns:       address family or -1
+*/
+
+int
+ip_get_address_family(int fd)
+{
+struct sockaddr_storage ss;
+socklen_t sslen = sizeof(ss);
+
+if (getsockname(fd, (struct sockaddr *) &ss, &sslen) < 0)
+  return -1;
+
+return (int) ss.ss_family;
+}
+
+
+
+
 /*************************************************
 *       Lookup DSCP settings for a socket        *
 *************************************************/