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glibc-utils.9247
fnmatch-collating-elements.patch
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File fnmatch-collating-elements.patch of Package glibc-utils.9247
Fix fnmatch handling of collating elements (BZ #17396, BZ #16976) [BZ #16976] [BZ #17396] * posix/fnmatch_loop.c (internal_fnmatch, internal_fnwmatch): When looking up collating elements match against (wide) character sequence instead of name. Correct alignment adjustment. * posix/fnmatch.c: Don't include "../locale/elem-hash.h". * posix/Makefile (tests): Add tst-fnmatch4 and tst-fnmatch5. * posix/tst-fnmatch4.c: New file. * posix/tst-fnmatch5.c: New file. * Makefile (LOCALES): Add es_US.UTF-8 and es_US.ISO-8859-1. Index: glibc-2.22/localedata/Makefile =================================================================== --- glibc-2.22.orig/localedata/Makefile +++ glibc-2.22/localedata/Makefile @@ -106,7 +106,7 @@ LOCALES := de_DE.ISO-8859-1 de_DE.UTF-8 hr_HR.ISO-8859-2 sv_SE.ISO-8859-1 ja_JP.SJIS fr_FR.ISO-8859-1 \ nb_NO.ISO-8859-1 nn_NO.ISO-8859-1 tr_TR.UTF-8 cs_CZ.UTF-8 \ zh_TW.EUC-TW fa_IR.UTF-8 fr_FR.UTF-8 ja_JP.UTF-8 si_LK.UTF-8 \ - tr_TR.ISO-8859-9 en_GB.UTF-8 uk_UA.UTF-8 + tr_TR.ISO-8859-9 en_GB.UTF-8 uk_UA.UTF-8 es_US.UTF-8 es_US.ISO-8859-1 include ../gen-locales.mk endif Index: glibc-2.22/posix/Makefile =================================================================== --- glibc-2.22.orig/posix/Makefile +++ glibc-2.22/posix/Makefile @@ -87,7 +87,8 @@ tests := tstgetopt testfnm runtests run bug-getopt1 bug-getopt2 bug-getopt3 bug-getopt4 \ bug-getopt5 tst-getopt_long1 bug-regex34 bug-regex35 \ tst-pathconf tst-getaddrinfo4 tst-rxspencer-no-utf8 \ - tst-fnmatch3 bug-regex36 tst-getaddrinfo5 tst-glob-tilde + tst-fnmatch3 bug-regex36 tst-fnmatch4 tst-fnmatch5 \ + tst-getaddrinfo5 tst-glob-tilde xtests := bug-ga2 ifeq (yes,$(build-shared)) test-srcs := globtest Index: glibc-2.22/posix/fnmatch.c =================================================================== --- glibc-2.22.orig/posix/fnmatch.c +++ glibc-2.22/posix/fnmatch.c @@ -53,7 +53,6 @@ we support a correct implementation only in glibc. */ #ifdef _LIBC # include "../locale/localeinfo.h" -# include "../locale/elem-hash.h" # include "../locale/coll-lookup.h" # include <shlib-compat.h> Index: glibc-2.22/posix/fnmatch_loop.c =================================================================== --- glibc-2.22.orig/posix/fnmatch_loop.c +++ glibc-2.22/posix/fnmatch_loop.c @@ -503,26 +503,12 @@ FCT (pattern, string, string_end, no_lea { int32_t table_size; const int32_t *symb_table; -# if WIDE_CHAR_VERSION - char str[c1]; - unsigned int strcnt; -# else -# define str (startp + 1) -# endif const unsigned char *extra; int32_t idx; int32_t elem; - int32_t second; - int32_t hash; - # if WIDE_CHAR_VERSION - /* We have to convert the name to a single-byte - string. This is possible since the names - consist of ASCII characters and the internal - representation is UCS4. */ - for (strcnt = 0; strcnt < c1; ++strcnt) - str[strcnt] = startp[1 + strcnt]; -#endif + int32_t *wextra; +# endif table_size = _NL_CURRENT_WORD (LC_COLLATE, @@ -534,71 +520,55 @@ FCT (pattern, string, string_end, no_lea _NL_CURRENT (LC_COLLATE, _NL_COLLATE_SYMB_EXTRAMB); - /* Locate the character in the hashing table. */ - hash = elem_hash (str, c1); - - idx = 0; - elem = hash % table_size; - if (symb_table[2 * elem] != 0) - { - second = hash % (table_size - 2) + 1; - - do - { - /* First compare the hashing value. */ - if (symb_table[2 * elem] == hash - && (c1 - == extra[symb_table[2 * elem + 1]]) - && memcmp (str, - &extra[symb_table[2 * elem - + 1] - + 1], c1) == 0) - { - /* Yep, this is the entry. */ - idx = symb_table[2 * elem + 1]; - idx += 1 + extra[idx]; - break; - } - - /* Next entry. */ - elem += second; - } - while (symb_table[2 * elem] != 0); - } + for (elem = 0; elem < table_size; elem++) + if (symb_table[2 * elem] != 0) + { + idx = symb_table[2 * elem + 1]; + /* Skip the name of collating element. */ + idx += 1 + extra[idx]; +# if WIDE_CHAR_VERSION + /* Skip the byte sequence of the + collating element. */ + idx += 1 + extra[idx]; + /* Adjust for the alignment. */ + idx = (idx + 3) & ~3; + + wextra = (int32_t *) &extra[idx + 4]; + + if (/* Compare the length of the sequence. */ + c1 == wextra[0] + /* Compare the wide char sequence. */ + && memcmp (startp + 1, &wextra[1], + c1 * sizeof (UCHAR)) == 0) + /* Yep, this is the entry. */ + break; +# else + if (/* Compare the length of the sequence. */ + c1 == extra[idx] + /* Compare the byte sequence. */ + && memcmp (startp + 1, + &extra[idx + 1], c1) == 0) + /* Yep, this is the entry. */ + break; +# endif + } - if (symb_table[2 * elem] != 0) + if (elem < table_size) { /* Compare the byte sequence but only if this is not part of a range. */ -# if WIDE_CHAR_VERSION - int32_t *wextra; + if (! is_range - idx += 1 + extra[idx]; - /* Adjust for the alignment. */ - idx = (idx + 3) & ~3; - - wextra = (int32_t *) &extra[idx + 4]; -# endif - - if (! is_range) - { # if WIDE_CHAR_VERSION - for (c1 = 0; - (int32_t) c1 < wextra[idx]; - ++c1) - if (n[c1] != wextra[1 + c1]) - break; - - if ((int32_t) c1 == wextra[idx]) - goto matched; + && memcmp (n, &wextra[1], + c1 * sizeof (UCHAR)) == 0 # else - for (c1 = 0; c1 < extra[idx]; ++c1) - if (n[c1] != extra[1 + c1]) - break; - - if (c1 == extra[idx]) - goto matched; + && memcmp (n, &extra[idx + 1], c1) == 0 # endif + ) + { + n += c1 - 1; + goto matched; } /* Get the collation sequence value. */ @@ -606,9 +576,9 @@ FCT (pattern, string, string_end, no_lea # if WIDE_CHAR_VERSION cold = wextra[1 + wextra[idx]]; # else - /* Adjust for the alignment. */ idx += 1 + extra[idx]; - idx = (idx + 3) & ~4; + /* Adjust for the alignment. */ + idx = (idx + 3) & ~3; cold = *((int32_t *) &extra[idx]); # endif @@ -618,10 +588,10 @@ FCT (pattern, string, string_end, no_lea { /* No valid character. Match it as a single byte. */ - if (!is_range && *n == str[0]) + if (!is_range && *n == startp[1]) goto matched; - cold = str[0]; + cold = startp[1]; c = *p++; } else @@ -629,7 +599,6 @@ FCT (pattern, string, string_end, no_lea } } else -# undef str #endif { c = FOLD (c); @@ -721,25 +690,11 @@ FCT (pattern, string, string_end, no_lea { int32_t table_size; const int32_t *symb_table; -# if WIDE_CHAR_VERSION - char str[c1]; - unsigned int strcnt; -# else -# define str (startp + 1) -# endif const unsigned char *extra; int32_t idx; int32_t elem; - int32_t second; - int32_t hash; - # if WIDE_CHAR_VERSION - /* We have to convert the name to a single-byte - string. This is possible since the names - consist of ASCII characters and the internal - representation is UCS4. */ - for (strcnt = 0; strcnt < c1; ++strcnt) - str[strcnt] = startp[1 + strcnt]; + int32_t *wextra; # endif table_size = @@ -752,51 +707,44 @@ FCT (pattern, string, string_end, no_lea _NL_CURRENT (LC_COLLATE, _NL_COLLATE_SYMB_EXTRAMB); - /* Locate the character in the hashing - table. */ - hash = elem_hash (str, c1); - - idx = 0; - elem = hash % table_size; - if (symb_table[2 * elem] != 0) - { - second = hash % (table_size - 2) + 1; - - do - { - /* First compare the hashing value. */ - if (symb_table[2 * elem] == hash - && (c1 - == extra[symb_table[2 * elem + 1]]) - && memcmp (str, - &extra[symb_table[2 * elem + 1] - + 1], c1) == 0) - { - /* Yep, this is the entry. */ - idx = symb_table[2 * elem + 1]; - idx += 1 + extra[idx]; - break; - } - - /* Next entry. */ - elem += second; - } - while (symb_table[2 * elem] != 0); - } - - if (symb_table[2 * elem] != 0) - { - /* Compare the byte sequence but only if - this is not part of a range. */ + for (elem = 0; elem < table_size; elem++) + if (symb_table[2 * elem] != 0) + { + idx = symb_table[2 * elem + 1]; + /* Skip the name of collating + element. */ + idx += 1 + extra[idx]; # if WIDE_CHAR_VERSION - int32_t *wextra; - - idx += 1 + extra[idx]; - /* Adjust for the alignment. */ - idx = (idx + 3) & ~4; - - wextra = (int32_t *) &extra[idx + 4]; + /* Skip the byte sequence of the + collating element. */ + idx += 1 + extra[idx]; + /* Adjust for the alignment. */ + idx = (idx + 3) & ~3; + + wextra = (int32_t *) &extra[idx + 4]; + + if (/* Compare the length of the + sequence. */ + c1 == wextra[0] + /* Compare the wide char sequence. */ + && memcmp (startp + 1, &wextra[1], + c1 * sizeof (int32_t)) == 0) + /* Yep, this is the entry. */ + break; +# else + if (/* Compare the length of the + sequence. */ + c1 == extra[idx] + /* Compare the byte sequence. */ + && memcmp (startp + 1, + &extra[idx + 1], c1) == 0) + /* Yep, this is the entry. */ + break; # endif + } + + if (elem < table_size) + { /* Get the collation sequence value. */ is_seqval = 1; # if WIDE_CHAR_VERSION @@ -804,19 +752,18 @@ FCT (pattern, string, string_end, no_lea # else /* Adjust for the alignment. */ idx += 1 + extra[idx]; - idx = (idx + 3) & ~4; + idx = (idx + 3) & ~3; cend = *((int32_t *) &extra[idx]); # endif } - else if (symb_table[2 * elem] != 0 && c1 == 1) + else if (c1 == 1) { - cend = str[0]; + cend = startp[1]; c = *p++; } else return FNM_NOMATCH; } -# undef str } else { Index: glibc-2.22/posix/tst-fnmatch4.c =================================================================== --- /dev/null +++ glibc-2.22/posix/tst-fnmatch4.c @@ -0,0 +1,51 @@ +/* Test for fnmatch handling of collating elements + Copyright (C) 2015 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 <stdio.h> +#include <locale.h> +#include <fnmatch.h> + +static int +do_test_locale (const char *locale) +{ + const char *pattern = "[[.ll.]]"; + + if (setlocale (LC_ALL, locale) == NULL) + { + printf ("could not set locale %s\n", locale); + return 1; + } + + if (fnmatch (pattern, "ll", 0) != 0) + { + printf ("%s didn't match in locale %s\n", pattern, locale); + return 1; + } + + return 0; +} + +static int +do_test (void) +{ + return (do_test_locale ("es_US.ISO-8859-1") + || do_test_locale ("es_US.UTF-8")); +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" Index: glibc-2.22/posix/tst-fnmatch5.c =================================================================== --- /dev/null +++ glibc-2.22/posix/tst-fnmatch5.c @@ -0,0 +1,53 @@ +/* Test for fnmatch handling of collating elements + Copyright (C) 2015 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> +#include <locale.h> +#include <stdio.h> +#include <string.h> + +#define LENGTH 20000000 + +char pattern[LENGTH + 7]; + +static int +do_test (void) +{ + if (setlocale (LC_ALL, "en_US.UTF-8") == NULL) + { + puts ("could not set locale"); + return 1; + } + pattern[0] = '['; + pattern[1] = '['; + pattern[2] = '.'; + memset (pattern + 3, 'a', LENGTH); + pattern[LENGTH + 3] = '.'; + pattern[LENGTH + 4] = ']'; + pattern[LENGTH + 5] = ']'; + int ret = fnmatch (pattern, "a", 0); + if (ret == 0) + { + puts ("fnmatch returned 0 for invalid pattern"); + return 1; + } + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c"
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