BASH PATCH REPORT

			     =================

Bash-Release:	4.3

Patch-ID:	bash43-023

Bug-Reported-by:	Tim Friske <[email protected]>

Bug-Reference-ID:	<CAM1RzOcOR9zzC2i+aeES6LtbHNHoOV+0pZEYPrqxv_QAii-RXA@mail.gmail.com>

Bug-Reference-URL:	http://lists.gnu.org/archive/html/bug-bash/2014-06/msg00056.html

Bug-Description:

Bash does not correctly parse process substitution constructs that contain

unbalanced parentheses as part of the contained command.

Patch (apply with `patch -p0'):

*** ../bash-4.3-patched/subst.h	2014-01-11 21:02:27.000000000 -0500

--- subst.h	2014-07-20 17:25:01.000000000 -0400

***************

*** 83,87 ****

     Start extracting at (SINDEX) as if we had just seen "<(".

     Make (SINDEX) get the position just after the matching ")". */

! extern char *extract_process_subst __P((char *, char *, int *));

  #endif /* PROCESS_SUBSTITUTION */

--- 83,87 ----

     Start extracting at (SINDEX) as if we had just seen "<(".

     Make (SINDEX) get the position just after the matching ")". */

! extern char *extract_process_subst __P((char *, char *, int *, int));

  #endif /* PROCESS_SUBSTITUTION */

*** ../bash-4.3-patched/subst.c	2014-05-15 08:26:45.000000000 -0400

--- subst.c	2014-07-20 17:26:44.000000000 -0400

***************

*** 1193,1202 ****

     Make (SINDEX) get the position of the matching ")". */ /*))*/

  char *

! extract_process_subst (string, starter, sindex)

       char *string;

       char *starter;

       int *sindex;

  {

    return (extract_delimited_string (string, sindex, starter, "(", ")", SX_COMMAND));

  }

  #endif /* PROCESS_SUBSTITUTION */

--- 1193,1208 ----

     Make (SINDEX) get the position of the matching ")". */ /*))*/

  char *

! extract_process_subst (string, starter, sindex, xflags)

       char *string;

       char *starter;

       int *sindex;

+      int xflags;

  {

+ #if 0

    return (extract_delimited_string (string, sindex, starter, "(", ")", SX_COMMAND));

+ #else

+   xflags |= (no_longjmp_on_fatal_error ? SX_NOLONGJMP : 0);

+   return (xparse_dolparen (string, string+*sindex, sindex, xflags));

+ #endif

  }

  #endif /* PROCESS_SUBSTITUTION */

***************

*** 1786,1790 ****

  	  if (string[si] == '\0')

  	    CQ_RETURN(si);

! 	  temp = extract_process_subst (string, (c == '<') ? "<(" : ">(", &si);

  	  free (temp);		/* no SX_ALLOC here */

  	  i = si;

--- 1792,1796 ----

  	  if (string[si] == '\0')

  	    CQ_RETURN(si);

! 	  temp = extract_process_subst (string, (c == '<') ? "<(" : ">(", &si, 0);

  	  free (temp);		/* no SX_ALLOC here */

  	  i = si;

***************

*** 8250,8254 ****

  	      t_index = sindex + 1; /* skip past both '<' and LPAREN */

! 	    temp1 = extract_process_subst (string, (c == '<') ? "<(" : ">(", &t_index); /*))*/

  	    sindex = t_index;

--- 8256,8260 ----

  	      t_index = sindex + 1; /* skip past both '<' and LPAREN */

! 	    temp1 = extract_process_subst (string, (c == '<') ? "<(" : ">(", &t_index, 0); /*))*/

  	    sindex = t_index;

*** ../bash-4.3/patchlevel.h	2012-12-29 10:47:57.000000000 -0500

--- patchlevel.h	2014-03-20 20:01:28.000000000 -0400

***************

*** 26,30 ****

     looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 22

  #endif /* _PATCHLEVEL_H_ */

--- 26,30 ----

     looks for to find the patch level (for the sccs version string). */

! #define PATCHLEVEL 23

  #endif /* _PATCHLEVEL_H_ */