You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
3.2 KiB
104 lines
3.2 KiB
commit b3a9f56ba59c3d8eadd3135a1c25c37a63151450 |
|
Author: Andreas Schwab <schwab@suse.de> |
|
Date: Wed Jun 18 11:58:45 2014 +0200 |
|
|
|
Don't read past end of pattern in fnmatch (BZ #17062) |
|
|
|
diff --git glibc-2.17-c758a686/posix/fnmatch_loop.c glibc-2.17-c758a686/posix/fnmatch_loop.c |
|
index f79d051..544769b 100644 |
|
--- glibc-2.17-c758a686/posix/fnmatch_loop.c |
|
+++ glibc-2.17-c758a686/posix/fnmatch_loop.c |
|
@@ -899,11 +899,8 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends, alloca_used) |
|
|
|
matched: |
|
/* Skip the rest of the [...] that already matched. */ |
|
- do |
|
+ while ((c = *p++) != L (']')) |
|
{ |
|
- ignore_next: |
|
- c = *p++; |
|
- |
|
if (c == L('\0')) |
|
/* [... (unterminated) loses. */ |
|
return FNM_NOMATCH; |
|
@@ -931,12 +928,11 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends, alloca_used) |
|
|
|
if (c < L('a') || c >= L('z')) |
|
{ |
|
- p = startp; |
|
- goto ignore_next; |
|
+ p = startp - 2; |
|
+ break; |
|
} |
|
} |
|
p += 2; |
|
- c = *p++; |
|
} |
|
else if (c == L('[') && *p == L('=')) |
|
{ |
|
@@ -947,7 +943,6 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends, alloca_used) |
|
if (c != L('=') || p[1] != L(']')) |
|
return FNM_NOMATCH; |
|
p += 2; |
|
- c = *p++; |
|
} |
|
else if (c == L('[') && *p == L('.')) |
|
{ |
|
@@ -962,10 +957,8 @@ FCT (pattern, string, string_end, no_leading_period, flags, ends, alloca_used) |
|
break; |
|
} |
|
p += 2; |
|
- c = *p++; |
|
} |
|
} |
|
- while (c != L(']')); |
|
if (not) |
|
return FNM_NOMATCH; |
|
} |
|
diff --git glibc-2.17-c758a686/posix/tst-fnmatch3.c glibc-2.17-c758a686/posix/tst-fnmatch3.c |
|
new file mode 100644 |
|
index 0000000..2a83c1b |
|
--- /dev/null |
|
+++ glibc-2.17-c758a686/posix/tst-fnmatch3.c |
|
@@ -0,0 +1,30 @@ |
|
+/* Test for fnmatch not reading past the end of the pattern. |
|
+ Copyright (C) 2014 Free Software Foundation, Inc. |
|
+ This file is part of the GNU C Library. |
|
+ |
|
+ The GNU C Library is free software; you can redistribute it and/or |
|
+ modify it under the terms of the GNU Lesser General Public |
|
+ License as published by the Free Software Foundation; either |
|
+ version 2.1 of the License, or (at your option) any later version. |
|
+ |
|
+ The GNU C Library is distributed in the hope that it will be useful, |
|
+ but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
+ Lesser General Public License for more details. |
|
+ |
|
+ You should have received a copy of the GNU Lesser General Public |
|
+ License along with the GNU C Library; if not, see |
|
+ <http://www.gnu.org/licenses/>. */ |
|
+ |
|
+#include <fnmatch.h> |
|
+ |
|
+int |
|
+do_test (void) |
|
+{ |
|
+ const char *pattern = "[[:alpha:]'[:alpha:]\0]"; |
|
+ |
|
+ return fnmatch (pattern, "a", 0) != FNM_NOMATCH; |
|
+} |
|
+ |
|
+#define TEST_FUNCTION do_test () |
|
+#include "../test-skeleton.c" |
|
--- glibc-2.17-c758a686/posix/Makefile 2015-05-15 16:00:01.000000000 -0400 |
|
+++ glibc-2.17-c758a686/posix/Makefile 2015-05-29 18:34:07.507240952 -0400 |
|
@@ -87,7 +87,7 @@ |
|
tst-getaddrinfo3 tst-fnmatch2 tst-cpucount tst-cpuset \ |
|
bug-getopt1 bug-getopt2 bug-getopt3 bug-getopt4 \ |
|
bug-getopt5 tst-getopt_long1 bug-regex34 \ |
|
- tst-pathconf |
|
+ tst-pathconf tst-fnmatch3 |
|
xtests := bug-ga2 |
|
ifeq (yes,$(build-shared)) |
|
test-srcs := globtest
|
|
|