Add RFC5297 AES-SIV support

[openssl.git] / apps / s_socket.c

diff --git a/apps/s_socket.c b/apps/s_socket.c
index ae62a135ce8573e65db368211b2b03b1d811d251..7dd95e9f0ec2cf1a3c9f7fc87d614fda8a406fab 100644 (file)
--- a/apps/s_socket.c
+++ b/apps/s_socket.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * Licensed under the OpenSSL license (the "License").  You may not use
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
  * in the file LICENSE in the source distribution or at
  * https://www.openssl.org/source/license.html
@@ -146,7 +146,8 @@ int init_client(int *sock, const char *host, const char *port,
         }
 #endif
 
-        if (!BIO_connect(*sock, BIO_ADDRINFO_address(ai), BIO_SOCK_NODELAY)) {
+        if (!BIO_connect(*sock, BIO_ADDRINFO_address(ai),
+                         protocol == IPPROTO_TCP ? BIO_SOCK_NODELAY : 0)) {
             BIO_closesocket(*sock);
             *sock = INVALID_SOCKET;
             continue;
@@ -211,7 +212,7 @@ int do_server(int *accept_sock, const char *host, const char *port,
     int i;
     BIO_ADDRINFO *res = NULL;
     const BIO_ADDRINFO *next;
-    int sock_family, sock_type, sock_protocol;
+    int sock_family, sock_type, sock_protocol, sock_port;
     const BIO_ADDR *sock_address;
     int sock_options = BIO_SOCK_REUSEADDR;
     int ret = 0;
@@ -280,10 +281,13 @@ int do_server(int *accept_sock, const char *host, const char *port,
     }
 #endif
 
+    sock_port = BIO_ADDR_rawport(sock_address);
+
     BIO_ADDRINFO_free(res);
     res = NULL;
 
-    {
+    if (sock_port == 0) {
+        /* dynamically allocated port, report which one */
         union BIO_sock_info_u info;
         char *hostname = NULL;
         char *service = NULL;
@@ -309,11 +313,18 @@ int do_server(int *accept_sock, const char *host, const char *port,
             ERR_print_errors(bio_err);
             goto end;
         }
+    } else {
+        (void)BIO_printf(bio_s_out, "ACCEPT\n");
+        (void)BIO_flush(bio_s_out);
     }
 
     if (accept_sock != NULL)
         *accept_sock = asock;
     for (;;) {
+        char sink[64];
+        struct timeval timeout;
+        fd_set readfds;
+
         if (type == SOCK_STREAM) {
             BIO_ADDR_free(ourpeer);
             ourpeer = BIO_ADDR_new();
@@ -344,6 +355,20 @@ int do_server(int *accept_sock, const char *host, const char *port,
              * TCP-RST. This seems to allow the peer to read the alert data.
              */
             shutdown(sock, 1); /* SHUT_WR */
+            /*
+             * We just said we have nothing else to say, but it doesn't mean
+             * that the other side has nothing. It's even recommended to
+             * consume incoming data. [In testing context this ensures that
+             * alerts are passed on...]
+             */
+            timeout.tv_sec = 0;
+            timeout.tv_usec = 500000;  /* some extreme round-trip */
+            do {
+                FD_ZERO(&readfds);
+                openssl_fdset(sock, &readfds);
+            } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0
+                     && readsocket(sock, sink, sizeof(sink)) > 0);
+
             BIO_closesocket(sock);
         } else {
             i = (*cb)(asock, type, protocol, context);