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Bash-3.2 Official Patch 33


From: Chet Ramey
Subject: Bash-3.2 Official Patch 33
Date: Wed, 2 Jan 2008 08:49:44 -0500

                             BASH PATCH REPORT
                             =================

Bash-Release: 3.2
Patch-ID: bash32-033

Bug-Reported-by:        Christophe Martin <address@hidden>
Bug-Reference-ID:       <address@hidden>
Bug-Reference-URL:      
http://lists.gnu.org/archive/html/bug-bash/2007-05/msg00104.html

Bug-Description:

References made within a function to an uninitialized local array variable
using the [*] subscript in a double-quoted string  can result in spurious
ASCII 127 characters in the expanded value.

Patch:

*** ../bash-3.2-patched/arrayfunc.c     2007-08-25 13:47:05.000000000 -0400
--- arrayfunc.c 2007-05-31 11:55:46.000000000 -0400
***************
*** 723,727 ****
      {
        if (rtype)
!       *rtype = 1;
        if (allow_all == 0)
        {
--- 723,727 ----
      {
        if (rtype)
!       *rtype = (t[0] == '*') ? 1 : 2;
        if (allow_all == 0)
        {
*** ../bash-3.2-patched/subst.c 2007-08-25 13:47:08.000000000 -0400
--- subst.c     2007-11-14 15:43:00.000000000 -0500
***************
*** 4908,4915 ****
    intmax_t arg_index;
    SHELL_VAR *var;
!   int atype;
  
    ret = 0;
    temp = 0;
  
    /* Handle multiple digit arguments, as in ${11}. */  
--- 4973,4981 ----
    intmax_t arg_index;
    SHELL_VAR *var;
!   int atype, rflags;
  
    ret = 0;
    temp = 0;
+   rflags = 0;
  
    /* Handle multiple digit arguments, as in ${11}. */  
***************
*** 4944,4947 ****
--- 5010,5015 ----
                  ? quote_string (temp)
                  : quote_escapes (temp);
+       else if (atype == 1 && temp && QUOTED_NULL (temp) && (quoted & 
(Q_DOUBLE_QUOTES|Q_HERE_DOCUMENT)))
+       rflags |= W_HASQUOTEDNULL;
      }
  #endif
***************
*** 4971,4974 ****
--- 5039,5043 ----
        ret = alloc_word_desc ();
        ret->word = temp;
+       ret->flags |= rflags;
      }
    return ret;
*** ../bash-3.2/patchlevel.h    Thu Apr 13 08:31:04 2006
--- patchlevel.h        Mon Oct 16 14:22:54 2006
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 32
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 33
  
  #endif /* _PATCHLEVEL_H_ */


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                                Live Strong.
Chet Ramey, ITS, CWRU    address@hidden    http://tiswww.tis.case.edu/~chet/




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