From cc98ca9aea3f57d34853f5578bb1ce741a2b2828 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Tue, 30 Nov 1999 11:53:42 +0000
Subject: [PATCH] Avoid recursing into . and .. when in -r mode

[originally from svn r332]
---
 scp.c | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/scp.c b/scp.c
index 299f6fd0..ac232fa5 100644
--- a/scp.c
+++ b/scp.c
@@ -277,10 +277,25 @@ static void source(char *src)
     }
 
     if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
-	if (recursive)
-	    rsource(src);
-	else
+	if (recursive) {
+            /*
+             * Avoid . and .. directories.
+             */
+            char *p;
+            p = strrchr(src, '/');
+            if (!p)
+                p = strrchr(src, '\\');
+            if (!p)
+                p = src;
+            else
+                p++;
+            if (!strcmp(p, ".") || !strcmp(p, ".."))
+                /* skip . and .. */;
+            else
+                rsource(src);
+        } else {
 	    run_err("%s: not a regular file", src);
+        }
 	return;
     }