168 lines
4.0 KiB
Plaintext
168 lines
4.0 KiB
Plaintext
BASH PATCH REPORT
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=================
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Bash-Release: 5.0
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Patch-ID: bash50-001
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Bug-Reported-by: axel@freakout.de
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Bug-Reference-ID: <201901082050.x08KoShS006731@bongo.freakout.de>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2019-01/msg00079.html
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Bug-Description:
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Under certain circumstances, the glob expansion code did not remove
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backslashes escaping characters in directory names (or portions of a
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pattern preceding a slash).
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Patch (apply with `patch -p0'):
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*** ../bash-5.0/bashline.c 2018-11-27 13:20:16.000000000 -0500
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--- bashline.c 2019-01-16 16:06:03.000000000 -0500
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***************
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*** 232,235 ****
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--- 232,236 ----
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static int bash_possible_command_completions __P((int, int));
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+ static int completion_glob_pattern __P((char *));
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static char *glob_complete_word __P((const char *, int));
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static int bash_glob_completion_internal __P((int));
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***************
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*** 1742,1746 ****
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/* This could be a globbing pattern, so try to expand it using pathname
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expansion. */
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! if (!matches && glob_pattern_p (text))
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{
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matches = rl_completion_matches (text, glob_complete_word);
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--- 1743,1747 ----
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/* This could be a globbing pattern, so try to expand it using pathname
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expansion. */
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! if (!matches && completion_glob_pattern ((char *)text))
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{
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matches = rl_completion_matches (text, glob_complete_word);
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***************
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*** 1851,1855 ****
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}
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! globpat = glob_pattern_p (hint_text);
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/* If this is an absolute program name, do not check it against
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--- 1852,1856 ----
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}
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! globpat = completion_glob_pattern ((char *)hint_text);
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/* If this is an absolute program name, do not check it against
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***************
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*** 3714,3717 ****
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--- 3715,3773 ----
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}
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+ static int
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+ completion_glob_pattern (string)
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+ char *string;
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+ {
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+ register int c;
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+ char *send;
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+ int open;
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+
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+ DECLARE_MBSTATE;
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+
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+ open = 0;
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+ send = string + strlen (string);
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+
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+ while (c = *string++)
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+ {
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+ switch (c)
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+ {
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+ case '?':
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+ case '*':
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+ return (1);
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+
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+ case '[':
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+ open++;
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+ continue;
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+
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+ case ']':
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+ if (open)
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+ return (1);
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+ continue;
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+
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+ case '+':
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+ case '@':
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+ case '!':
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+ if (*string == '(') /*)*/
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+ return (1);
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+ continue;
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+
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+ case '\\':
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+ if (*string == 0)
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+ return (0);
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+ }
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+
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+ /* Advance one fewer byte than an entire multibyte character to
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+ account for the auto-increment in the loop above. */
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+ #ifdef HANDLE_MULTIBYTE
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+ string--;
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+ ADVANCE_CHAR_P (string, send - string);
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+ string++;
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+ #else
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+ ADVANCE_CHAR_P (string, send - string);
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+ #endif
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+ }
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+ return (0);
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+ }
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+
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static char *globtext;
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static char *globorig;
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***************
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*** 3878,3882 ****
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}
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! if (t && glob_pattern_p (t) == 0)
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rl_explicit_arg = 1; /* XXX - force glob_complete_word to append `*' */
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FREE (t);
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--- 3934,3938 ----
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}
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! if (t && completion_glob_pattern (t) == 0)
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rl_explicit_arg = 1; /* XXX - force glob_complete_word to append `*' */
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FREE (t);
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*** ../bash-5.0/lib/glob/glob_loop.c 2018-12-31 13:35:15.000000000 -0500
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--- lib/glob/glob_loop.c 2019-01-09 09:44:36.000000000 -0500
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***************
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*** 55,59 ****
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case L('\\'):
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- #if 0
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/* Don't let the pattern end in a backslash (GMATCH returns no match
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if the pattern ends in a backslash anyway), but otherwise return 1,
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--- 55,58 ----
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***************
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*** 61,69 ****
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and it can be removed. */
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return (*p != L('\0'));
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- #else
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- /* The pattern may not end with a backslash. */
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- if (*p++ == L('\0'))
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- return 0;
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- #endif
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}
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--- 60,63 ----
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*** ../bash-5.0/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
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--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
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***************
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*** 26,30 ****
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 0
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#endif /* _PATCHLEVEL_H_ */
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--- 26,30 ----
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 1
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#endif /* _PATCHLEVEL_H_ */
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