BASH PATCH REPORT
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=================
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Bash-Release: 4.3
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Patch-ID: bash43-016
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Bug-Reported-by: Pierre Gaston <pierre.gaston@gmail.com>
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Bug-Reference-ID: <CAPSX3sTCD61k1VQLJ5r-LWzEt+e7Xc-fxXmwn2u8EA5gJJej8Q@mail.gmail.com>
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Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2014-04/msg00100.html
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Bug-Description:
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An extended glob pattern containing a slash (`/') causes the globbing code
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to misinterpret it as a directory separator.
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Patch (apply with `patch -p0'):
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--- a/lib/glob/glob.c
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+++ b/lib/glob/glob.c
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@@ -123,6 +123,8 @@ static char **glob_dir_to_array __P((cha
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extern char *glob_patscan __P((char *, char *, int));
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extern wchar_t *glob_patscan_wc __P((wchar_t *, wchar_t *, int));
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+extern char *glob_dirscan __P((char *, int));
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+
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/* Compile `glob_loop.c' for single-byte characters. */
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#define CHAR unsigned char
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#define INT int
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@@ -187,6 +189,9 @@ extglob_skipname (pat, dname, flags)
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se = pp + strlen (pp) - 1; /* end of string */
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pe = glob_patscan (pp, se, 0); /* end of extglob pattern (( */
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/* we should check for invalid extglob pattern here */
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+ if (pe == 0)
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+ return 0;
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+
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/* if pe != se we have more of the pattern at the end of the extglob
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pattern. Check the easy case first ( */
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if (pe == se && *pe == ')' && (t = strchr (pp, '|')) == 0)
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@@ -1015,7 +1020,7 @@ glob_filename (pathname, flags)
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{
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char **result;
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unsigned int result_size;
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- char *directory_name, *filename, *dname;
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+ char *directory_name, *filename, *dname, *fn;
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unsigned int directory_len;
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int free_dirname; /* flag */
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int dflags;
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@@ -1031,6 +1036,18 @@ glob_filename (pathname, flags)
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/* Find the filename. */
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filename = strrchr (pathname, '/');
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+#if defined (EXTENDED_GLOB)
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+ if (filename && extended_glob)
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+ {
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+ fn = glob_dirscan (pathname, '/');
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+#if DEBUG_MATCHING
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+ if (fn != filename)
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+ fprintf (stderr, "glob_filename: glob_dirscan: fn (%s) != filename (%s)\n", fn ? fn : "(null)", filename);
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+#endif
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+ filename = fn;
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+ }
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+#endif
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+
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if (filename == NULL)
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{
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filename = pathname;
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--- a/lib/glob/gmisc.c
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+++ b/lib/glob/gmisc.c
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@@ -42,6 +42,8 @@
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#define WLPAREN L'('
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#define WRPAREN L')'
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+extern char *glob_patscan __P((char *, char *, int));
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+
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/* Return 1 of the first character of WSTRING could match the first
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character of pattern WPAT. Wide character version. */
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int
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@@ -375,3 +377,34 @@ bad_bracket:
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return matlen;
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}
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+
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+/* Skip characters in PAT and return the final occurrence of DIRSEP. This
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+ is only called when extended_glob is set, so we have to skip over extglob
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+ patterns x(...) */
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+char *
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+glob_dirscan (pat, dirsep)
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+ char *pat;
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+ int dirsep;
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+{
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+ char *p, *d, *pe, *se;
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+
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+ d = pe = se = 0;
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+ for (p = pat; p && *p; p++)
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+ {
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+ if (extglob_pattern_p (p))
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+ {
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+ if (se == 0)
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+ se = p + strlen (p) - 1;
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+ pe = glob_patscan (p + 2, se, 0);
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+ if (pe == 0)
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+ continue;
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+ else if (*pe == 0)
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+ break;
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+ p = pe - 1; /* will do increment above */
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+ continue;
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+ }
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+ if (*p == dirsep)
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+ d = p;
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+ }
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+ return d;
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+}
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 15
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+#define PATCHLEVEL 16
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#endif /* _PATCHLEVEL_H_ */
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