X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/a8cb2b6e5d990202130377e86280a6e1e3d52c02..f3e0acda46a71035ca81f7b352d7b61aa451ee23:/unix/uxnet.c

diff --git a/unix/uxnet.c b/unix/uxnet.c
index addfc769..7b970416 100644
--- a/unix/uxnet.c
+++ b/unix/uxnet.c
@@ -34,7 +34,7 @@ struct Socket_tag {
     Plug plug;
     void *private_ptr;
     bufchain output_data;
-    int connected;
+    int connected;		       /* irrelevant for listening sockets */
     int writable;
     int frozen; /* this causes readability notifications to be ignored */
     int frozen_readable; /* this means we missed at least one readability
@@ -679,7 +679,6 @@ Socket sk_newlistener(char *srcaddr, int port, Plug plug, int local_host_only, i
     ret->oobpending = FALSE;
     ret->listener = 1;
     ret->addr = NULL;
-    ret->connected = 0;
 
     /*
      * Translate address_family from platform-independent constants
@@ -912,11 +911,9 @@ void try_send(Actual_Socket s)
 		 */
 		s->writable = FALSE;
 		return;
-	    } else if (nsent == 0 ||
-		       err == ECONNABORTED || err == ECONNRESET) {
+	    } else {
 		/*
-		 * If send() returns CONNABORTED or CONNRESET, we
-		 * unfortunately can't just call plug_closing(),
+		 * We unfortunately can't just call plug_closing(),
 		 * because it's quite likely that we're currently
 		 * _in_ a call from the code we'd be calling back
 		 * to, so we'd have to make half the SSH code
@@ -926,11 +923,6 @@ void try_send(Actual_Socket s)
 		 */
 		s->pending_error = err;
 		return;
-	    } else {
-		/* We're inside the Unix frontend here, so we know
-		 * that the frontend handle is unnecessary. */
-		logevent(NULL, strerror(err));
-		fatalbox("%s", strerror(err));
 	    }
 	} else {
 	    if (s->sending_oob) {
@@ -1025,12 +1017,9 @@ static int net_select_result(int fd, int event)
 	    ret = recv(s->s, buf, sizeof(buf), MSG_OOB);
 	    noise_ultralight(ret);
 	    if (ret <= 0) {
-		const char *str = (ret == 0 ? "Internal networking trouble" :
-				   strerror(errno));
-		/* We're inside the Unix frontend here, so we know
-		 * that the frontend handle is unnecessary. */
-		logevent(NULL, str);
-		fatalbox("%s", str);
+                return plug_closing(s->plug,
+				    ret == 0 ? "Internal networking trouble" :
+				    strerror(errno), errno, 0);
 	    } else {
                 /*
                  * Receiving actual data on a socket means we can
@@ -1254,14 +1243,16 @@ static void sk_tcp_set_frozen(Socket sock, int is_frozen)
 static void uxsel_tell(Actual_Socket s)
 {
     int rwx = 0;
-    if (!s->connected)
-	rwx |= 2;		       /* write == connect */
-    if (s->connected && !s->frozen)
-	rwx |= 1 | 4;		       /* read, except */
-    if (bufchain_size(&s->output_data))
-	rwx |= 2;		       /* write */
-    if (s->listener)
-	rwx |= 1;		       /* read == accept */
+    if (s->listener) {
+	rwx |= 1;			/* read == accept */
+    } else {
+	if (!s->connected)
+	    rwx |= 2;			/* write == connect */
+	if (s->connected && !s->frozen)
+	    rwx |= 1 | 4;		/* read, except */
+	if (bufchain_size(&s->output_data))
+	    rwx |= 2;			/* write */
+    }
     uxsel_set(s->s, rwx, net_select_result);
 }