File fix-x11-regression-bsc1229449.patch of Package openssh

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File fix-x11-regression-bsc1229449.patch of Package openssh (Revision d5c31cd99eb0674af7d3d1d8576a1bc2)

Currently displaying revision d5c31cd99eb0674af7d3d1d8576a1bc2 , Show latest

Index: openssh-9.9p1/clientloop.c
===================================================================
--- openssh-9.9p1.orig/clientloop.c
+++ openssh-9.9p1/clientloop.c
@@ -663,9 +663,10 @@ obfuscate_keystroke_timing(struct ssh *s
 	if (just_started)
 		return 1;
 
-	/* Don't arm output fd for poll until the timing interval has elapsed */
+	/* Don't arm output fd for poll until the timing interval has elapsed... */
 	if (timespeccmp(&now, &next_interval, <))
-		return 0;
+		/* ...unless there's x11 communicattion happening */
+		return x11_channel_used_recently(ssh);
 
 	/* Calculate number of intervals missed since the last check */
 	n = (now.tv_sec - next_interval.tv_sec) * 1000LL * 1000 * 1000;
Index: openssh-9.9p1/channels.c
===================================================================
--- openssh-9.9p1.orig/channels.c
+++ openssh-9.9p1/channels.c
@@ -5352,3 +5352,22 @@ x11_request_forwarding_with_spoofing(str
 		fatal_fr(r, "send x11-req");
 	free(new_data);
 }
+
+/*
+ * Returns whether an x11 channel was used recently (less than a second ago)
+ */
+int
+x11_channel_used_recently(struct ssh *ssh) {
+	u_int i;
+	Channel *c;
+	time_t lastused = 0;
+
+	for (i = 0; i < ssh->chanctxt->channels_alloc; i++) {
+	    c = ssh->chanctxt->channels[i];
+	    if (c == NULL || c->ctype == NULL || c->lastused == 0 ||
+		strcmp(c->ctype, "x11-connection"))
+		continue;
+	    lastused = c->lastused;
+	}
+	return (lastused != 0 && monotime() < lastused + 1);
+}
Index: openssh-9.9p1/channels.h
===================================================================
--- openssh-9.9p1.orig/channels.h
+++ openssh-9.9p1/channels.h
@@ -382,6 +382,7 @@ int	 x11_connect_display(struct ssh *);
 int	 x11_create_display_inet(struct ssh *, int, int, int, u_int *, int **);
 void	 x11_request_forwarding_with_spoofing(struct ssh *, int,
 	    const char *, const char *, const char *, int);
+int      x11_channel_used_recently(struct ssh *ssh);
 
 /* channel close */

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File fix-x11-regression-bsc1229449.patch of Package openssh (Revision d5c31cd99eb0674af7d3d1d8576a1bc2)

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