File CVE-2014-3424.patch of Package emacs.4755

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File CVE-2014-3424.patch of Package emacs.4755 (Revision 4fd740f89280dcf81434f67a233f935b)

Currently displaying revision 4fd740f89280dcf81434f67a233f935b , Show latest

Based on revno: 117071
revision-id: address@hidden
parent: address@hidden
committer: Michael Albinus <address@hidden>
branch nick: emacs-24
timestamp: Tue 2014-05-06 11:51:05 +0200
message:
  Fix Bug#17415.
  
  * net/tramp-sh.el (tramp-uudecode): Replace the hard-coded temporary
  file name by a format specifier.
  (tramp-remote-coding-commands): Enhance docstring.
  (tramp-find-inline-encoding): Replace "%t" by a temporary file name.
modified:
  lisp/ChangeLog                 changelog-20091113204419-o5vbwnq5f7feedwu-1432
  lisp/net/tramp-sh.el           trampsh.el-20100913133439-a1faifh29eqoi4nh-1

--- lisp/net/tramp-sh.el
+++ lisp/net/tramp-sh.el	2014-05-08 11:56:08.770262271 +0000
@@ -605,9 +605,9 @@ This list is used for copying/renaming w
 See `tramp-actions-before-shell' for more info.")
 
 (defconst tramp-uudecode
-  "(echo begin 600 /tmp/tramp.$$; tail +2) | uudecode
-cat /tmp/tramp.$$
-rm -f /tmp/tramp.$$"
+  "(echo begin 600 %t; tail -n +2) | uudecode
+cat %t
+rm -f %t"
   "Shell function to implement `uudecode' to standard output.
 Many systems support `uudecode -o /dev/stdout' or `uudecode -o -'
 for this or `uudecode -p', but some systems don't, and for them
@@ -3938,7 +3938,7 @@ Each item is a list that looks like this
 
 $FORMAT ENCODING DECODING [TEST]$
 
-FORMAT is  symbol describing the encoding/decoding format.  It can be
+FORMAT is a symbol describing the encoding/decoding format.  It can be
 `b64' for base64 encoding, `uu' for uu encoding, or `pack' for simple packing.
 
 ENCODING and DECODING can be strings, giving commands, or symbols,
@@ -3948,9 +3948,11 @@ filename will be put into the command li
 specifier is not present, the input should be read from standard
 input.
 
-If they are variables, this variable is a string containing a Perl
-implementation for this functionality.  This Perl program will be transferred
-to the remote host, and it is available as shell function with the same name.
+If they are variables, this variable is a string containing a
+Perl or Shell implementation for this functionality.  This
+program will be transferred to the remote host, and it is
+available as shell function with the same name.  A \"%t\" format
+specifier in the variable value denotes a temporary file.
 
 The optional TEST command can be used for further tests, whether
 ENCODING and DECODING are applicable.")
@@ -4025,10 +4027,25 @@ Goes through the list `tramp-local-codin
 		    (throw 'wont-work-remote nil))
 
 		  (when (not (stringp rem-dec))
-		    (let ((name (symbol-name rem-dec)))
+                   (let ((name (symbol-name rem-dec))
+                         (value (symbol-value rem-dec))
+                         tmpfile)
 		      (while (string-match (regexp-quote "-") name)
 			(setq name (replace-match "_" nil t name)))
-		      (tramp-maybe-send-script vec (symbol-value rem-dec) name)
+                     (when (string-match "%t" value)
+                       (setq tmpfile
+                             (make-temp-name
+                              (expand-file-name
+                               tramp-temp-name-prefix
+                               (tramp-get-remote-tmpdir vec)))
+                             value
+                             (format-spec
+                              value
+                              (format-spec-make
+                               ?t
+                               (tramp-file-name-handler
+                                'file-remote-p tmpfile 'localname)))))
+                     (tramp-maybe-send-script vec value name)
 		      (setq rem-dec name)))
 		  (tramp-message
 		   vec 5

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File CVE-2014-3424.patch of Package emacs.4755 (Revision 4fd740f89280dcf81434f67a233f935b)

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