INN commit: trunk/authprogs (ident.c)

[INN Commit]

    Date: Sunday, June 14, 2015 @ 03:05:50
  Author: iulius
Revision: 9893

ident: avoid buffer underrun

Thanks to Richard Kettlewell for the patch.

Modified:
  trunk/authprogs/ident.c

---------+
 ident.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Modified: ident.c
===================================================================
--- ident.c	2015-06-14 10:05:22 UTC (rev 9892)
+++ ident.c	2015-06-14 10:05:50 UTC (rev 9893)
@@ -110,7 +110,7 @@
 		got++;
     } while (buf[got] != '\n');
     buf[got] = '\0';
-    if (buf[got-1] == '\r')
+    if (got > 0 && buf[got-1] == '\r')
 	buf[got-1] = '\0';
 
     /* buf now contains the entire ident response. */