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$NetBSD: patch-aj,v 1.1 2004/02/25 03:58:43 snj Exp $
diff -u -r mm2.7.org/src/bin/showexternal mm2.7/src/bin/showexternal
--- bin/showexternal Tue Feb 8 09:39:05 1994
+++ bin/showexternal Wed May 21 21:41:39 1997
@@ -15,9 +15,45 @@
# WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
#
+# Check argument integrity. Don't trust mail headers
+switch ("$1$2$3$4$5$6$7")
+case "*[\t ]*":
+ echo "Illegal white space in arguments\!"
+ echo "Command was:"
+ echo "'$0' '$1' '$2' '$3' '$4' '$5' '$6' '$7'"
+ exit 2
+endsw
+
onintr cleanup
+# Set a sensible value for the temporary directory, if its not
+# already set. If TMPDIR is set previously, then we will
+# assume it is adequately protected.
if (! $?METAMAIL_TMPDIR) then
- set METAMAIL_TMPDIR=/tmp
+ if ($?TMPDIR) then
+ set METAMAIL_TMPDIR="$TMPDIR"
+ else
+ set METAMAIL_TMPDIR=~/metamail_tmp
+ endif
+endif
+
+# Set a sensible umask value
+umask 077
+
+# Make sure that the temporary directory is available
+if (! -d "$METAMAIL_TMPDIR") then
+
+ if (! -e "$METAMAIL_TMPDIR") then
+ mkdir "$METAMAIL_TMPDIR"
+ else
+ echo "$METAMAIL_TMPDIR exists, but is not a directory"
+ exit 2
+ endif
+
+ if ( $status != 0 || ! -d "$METAMAIL_TMPDIR" ) then
+ echo "Error creating $METAMAIL_TMPDIR"
+ exit 2
+ endif
+
endif
if (! $?FTP) then
set FTP=ftp
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