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SUSE:SLE-12-SP3:GA
glibc.29706
glob-tilde-overflow.patch
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File glob-tilde-overflow.patch of Package glibc.29706
2017-10-22 Paul Eggert <eggert@cs.ucla.edu> [BZ #22332] * posix/glob.c (__glob): Fix buffer overflow during GLOB_TILDE unescaping. 2017-10-21 Florian Weimer <fweimer@redhat.com> * posix/Makefile (tests): Add tst-glob-tilde. (tests-special): Add tst-glob-tilde-mem.out (tst-glob-tilde-ENV): Set MALLOC_TRACE. (tst-glob-tilde-mem.out): Add mtrace check. * posix/tst-glob-tilde.c: New file. 2017-10-20 Paul Eggert <eggert@cs.ucla.edu> [BZ #22320] CVE-2017-15670 * posix/glob.c (__glob): Fix one-byte overflow. 2017-09-08 Adhemerval Zanella <adhemerval.zanella@linaro.org> [BZ #1062] [BZ #22325] CVE-2017-15671 * posix/Makefile (routines): Add globfree, globfree64, and glob_pattern_p. * posix/flexmember.h: New file. * posix/glob_internal.h: Likewise. * posix/glob_pattern_p.c: Likewise. * posix/globfree.c: Likewise. * posix/globfree64.c: Likewise. * sysdeps/gnu/globfree64.c: Likewise. * sysdeps/unix/sysv/linux/alpha/globfree.c: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c: Likewise. * sysdeps/unix/sysv/linux/oldglob.c: Likewise. * sysdeps/unix/sysv/linux/wordsize-64/globfree64.c: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/globfree.c: Likewise. * sysdeps/wordsize-64/globfree.c: Likewise. * sysdeps/wordsize-64/globfree64.c: Likewise. * posix/glob.c (HAVE_CONFIG_H): Use !_LIBC instead. [NDEBUG): Remove comments. (GLOB_ONLY_P, _AMIGA, VMS): Remove define. (dirent_type): New type. Use uint_fast8_t not uint8_t, as C99 does not require uint8_t. (DT_UNKNOWN, DT_DIR, DT_LNK): New macros. (struct readdir_result): Use dirent_type. Do not define skip_entry unless it is needed; this saves a byte on platforms lacking d_ino. (readdir_result_type, readdir_result_skip_entry): New functions, replacing ... (readdir_result_might_be_symlink, readdir_result_might_be_dir): these functions, which were removed. This makes the callers easier to read. All callers changed. (D_INO_TO_RESULT): Now empty if there is no d_ino. (size_add_wrapv, glob_use_alloca): New static functions. (glob, glob_in_dir): Check for size_t overflow in several places, and fix some size_t checks that were not quite right. Remove old code using SHELL since Bash no longer uses this. (glob, prefix_array): Separate MS code better. (glob_in_dir): Remove old Amiga and VMS code. (globfree, __glob_pattern_type, __glob_pattern_p): Move to separate files. (glob_in_dir): Do not rely on undefined behavior in accessing struct members beyond their bounds. Use a flexible array member instead (link_stat): Rename from link_exists2_p and return -1/0 instead of 0/1. Caller changed. (glob): Fix memory leaks. * posix/glob64 (globfree64): Move to separate file. * sysdeps/gnu/glob64.c (NO_GLOB_PATTERN_P): Remove define. (globfree64): Remove hidden alias. * sysdeps/unix/sysv/linux/Makefile (sysdeps_routines): Add oldglob. * sysdeps/unix/sysv/linux/alpha/glob.c (__new_globfree): Move to separate file. * sysdeps/unix/sysv/linux/i386/glob64.c (NO_GLOB_PATTERN_P): Remove define. Move compat code to separate file. * sysdeps/wordsize-64/glob.c (globfree): Move definitions to separate file. 2017-08-20 H.J. Lu <hongjiu.lu@intel.com> [BZ #18822] * sysdeps/unix/sysv/linux/i386/glob64.c (__old_glob64): Add libc_hidden_proto and libc_hidden_def. Index: glibc-2.22/posix/Makefile =================================================================== --- glibc-2.22.orig/posix/Makefile +++ glibc-2.22/posix/Makefile @@ -43,7 +43,7 @@ routines := \ getpgid setpgid getpgrp bsd-getpgrp setpgrp getsid setsid \ getresuid getresgid setresuid setresgid \ pathconf sysconf fpathconf \ - glob glob64 fnmatch regex \ + glob glob64 globfree globfree64 glob_pattern_p fnmatch regex \ confstr \ getopt getopt1 getopt_init \ sched_setp sched_getp sched_sets sched_gets sched_yield sched_primax \ @@ -87,7 +87,7 @@ 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-fnmatch3 bug-regex36 tst-getaddrinfo5 tst-glob-tilde xtests := bug-ga2 ifeq (yes,$(build-shared)) test-srcs := globtest @@ -130,7 +130,8 @@ tests-special += $(objpfx)bug-regex2-mem $(objpfx)tst-rxspencer-no-utf8-mem.out $(objpfx)tst-pcre-mem.out \ $(objpfx)tst-boost-mem.out $(objpfx)tst-getconf.out \ $(objpfx)bug-glob2-mem.out $(objpfx)tst-vfork3-mem.out \ - $(objpfx)tst-fnmatch-mem.out $(objpfx)bug-regex36-mem.out + $(objpfx)tst-fnmatch-mem.out $(objpfx)bug-regex36-mem.out \ + $(objpfx)tst-glob-tilde-mem.out xtests-special += $(objpfx)bug-ga2-mem.out endif @@ -307,6 +308,12 @@ $(objpfx)bug-glob2-mem.out: $(objpfx)bug $(common-objpfx)malloc/mtrace $(objpfx)bug-glob2.mtrace > $@; \ $(evaluate-test) +tst-glob-tilde-ENV = MALLOC_TRACE=$(objpfx)tst-glob-tilde.mtrace + +$(objpfx)tst-glob-tilde-mem.out: $(objpfx)tst-glob-tilde.out + $(common-objpfx)malloc/mtrace $(objpfx)tst-glob-tilde.mtrace > $@; \ + $(evaluate-test) + $(inst_libexecdir)/getconf: $(inst_bindir)/getconf \ $(objpfx)getconf.speclist FORCE $(addprefix $(..)./scripts/mkinstalldirs ,\ Index: glibc-2.22/posix/flexmember.h =================================================================== --- /dev/null +++ glibc-2.22/posix/flexmember.h @@ -0,0 +1,45 @@ +/* Sizes of structs with flexible array members. + + Copyright 2016-2017 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/>. + + Written by Paul Eggert. */ + +#include <stddef.h> + +/* Nonzero multiple of alignment of TYPE, suitable for FLEXSIZEOF below. + On older platforms without _Alignof, use a pessimistic bound that is + safe in practice even if FLEXIBLE_ARRAY_MEMBER is 1. + On newer platforms, use _Alignof to get a tighter bound. */ + +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 +# define FLEXALIGNOF(type) (sizeof (type) & ~ (sizeof (type) - 1)) +#else +# define FLEXALIGNOF(type) _Alignof (type) +#endif + +/* Upper bound on the size of a struct of type TYPE with a flexible + array member named MEMBER that is followed by N bytes of other data. + This is not simply sizeof (TYPE) + N, since it may require + alignment on unusually picky C11 platforms, and + FLEXIBLE_ARRAY_MEMBER may be 1 on pre-C11 platforms. + Yield a value less than N if and only if arithmetic overflow occurs. */ + +#define FLEXSIZEOF(type, member, n) \ + ((offsetof (type, member) + FLEXALIGNOF (type) - 1 + (n)) \ + & ~ (FLEXALIGNOF (type) - 1)) Index: glibc-2.22/posix/glob.c =================================================================== --- glibc-2.22.orig/posix/glob.c +++ glibc-2.22/posix/glob.c @@ -15,7 +15,7 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#ifdef HAVE_CONFIG_H +#ifndef _LIBC # include <config.h> #endif @@ -27,29 +27,15 @@ #include <stdbool.h> #include <stddef.h> #include <stdint.h> - -/* Outcomment the following line for production quality code. */ -/* #define NDEBUG 1 */ #include <assert.h> +#include <unistd.h> -#include <stdio.h> /* Needed on stupid SunOS for assert. */ - -#if !defined _LIBC || !defined GLOB_ONLY_P -#if defined HAVE_UNISTD_H || defined _LIBC -# include <unistd.h> -# ifndef POSIX -# ifdef _POSIX_VERSION -# define POSIX -# endif -# endif +#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ +# define WINDOWS32 #endif -#include <pwd.h> - -#if defined HAVE_STDINT_H || defined _LIBC -# include <stdint.h> -#elif !defined UINTPTR_MAX -# define UINTPTR_MAX (~((size_t) 0)) +#ifndef WINDOWS32 +# include <pwd.h> #endif #include <errno.h> @@ -57,24 +43,7 @@ # define __set_errno(val) errno = (val) #endif -#if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__ -# include <dirent.h> -#else -# define dirent direct -# ifdef HAVE_SYS_NDIR_H -# include <sys/ndir.h> -# endif -# ifdef HAVE_SYS_DIR_H -# include <sys/dir.h> -# endif -# ifdef HAVE_NDIR_H -# include <ndir.h> -# endif -# ifdef HAVE_VMSDIR_H -# include "vmsdir.h" -# endif /* HAVE_VMSDIR_H */ -#endif - +#include <dirent.h> #include <stdlib.h> #include <string.h> #include <alloca.h> @@ -87,27 +56,29 @@ # define opendir(name) __opendir (name) # define readdir(str) __readdir64 (str) # define getpwnam_r(name, bufp, buf, len, res) \ - __getpwnam_r (name, bufp, buf, len, res) + __getpwnam_r (name, bufp, buf, len, res) # ifndef __stat64 # define __stat64(fname, buf) __xstat64 (_STAT_VER, fname, buf) # endif # define struct_stat64 struct stat64 +# define FLEXIBLE_ARRAY_MEMBER #else /* !_LIBC */ -# include "getlogin_r.h" -# include "mempcpy.h" -# include "stat-macros.h" -# include "strdup.h" -# define __stat64(fname, buf) stat (fname, buf) -# define struct_stat64 struct stat -# define __stat(fname, buf) stat (fname, buf) -# define __alloca alloca -# define __readdir readdir -# define __readdir64 readdir64 -# define __glob_pattern_p glob_pattern_p +# define __getlogin_r(buf, len) getlogin_r (buf, len) +# define __stat64(fname, buf) stat (fname, buf) +# define __fxstatat64(_, d, f, st, flag) fstatat (d, f, st, flag) +# define struct_stat64 struct stat +# ifndef __MVS__ +# define __alloca alloca +# endif +# define __readdir readdir +# define COMPILE_GLOB64 #endif /* _LIBC */ #include <fnmatch.h> +#include <flexmember.h> +#include <glob_internal.h> + #ifdef _SC_GETPW_R_SIZE_MAX # define GETPW_R_SIZE_MAX() sysconf (_SC_GETPW_R_SIZE_MAX) #else @@ -121,61 +92,59 @@ static const char *next_brace_sub (const char *begin, int flags) __THROWNL; +typedef uint_fast8_t dirent_type; + +#if !defined _LIBC && !defined HAVE_STRUCT_DIRENT_D_TYPE +/* Any distinct values will do here. + Undef any existing macros out of the way. */ +# undef DT_UNKNOWN +# undef DT_DIR +# undef DT_LNK +# define DT_UNKNOWN 0 +# define DT_DIR 1 +# define DT_LNK 2 +#endif + /* A representation of a directory entry which does not depend on the layout of struct dirent, or the size of ino_t. */ struct readdir_result { const char *name; -# if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE - uint8_t type; -# endif +#if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE + dirent_type type; +#endif +#if defined _LIBC || defined D_INO_IN_DIRENT bool skip_entry; +#endif }; -# if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE -/* Initializer based on the d_type member of struct dirent. */ -# define D_TYPE_TO_RESULT(source) (source)->d_type, - -/* True if the directory entry D might be a symbolic link. */ -static bool -readdir_result_might_be_symlink (struct readdir_result d) -{ - return d.type == DT_UNKNOWN || d.type == DT_LNK; -} - -/* True if the directory entry D might be a directory. */ -static bool -readdir_result_might_be_dir (struct readdir_result d) +/* Initialize and return type member of struct readdir_result. */ +static dirent_type +readdir_result_type (struct readdir_result d) { - return d.type == DT_DIR || readdir_result_might_be_symlink (d); -} -# else /* defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE */ -# define D_TYPE_TO_RESULT(source) - -/* If we do not have type information, symbolic links and directories - are always a possibility. */ - -static bool -readdir_result_might_be_symlink (struct readdir_result d) -{ - return true; +#if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE +# define D_TYPE_TO_RESULT(source) (source)->d_type, + return d.type; +#else +# define D_TYPE_TO_RESULT(source) + return DT_UNKNOWN; +#endif } +/* Initialize and return skip_entry member of struct readdir_result. */ static bool -readdir_result_might_be_dir (struct readdir_result d) +readdir_result_skip_entry (struct readdir_result d) { - return true; -} - -# endif /* defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE */ - -# if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__ /* Initializer for skip_entry. POSIX does not require that the d_ino field be present, and some systems do not provide it. */ -# define D_INO_TO_RESULT(source) false, -# else -# define D_INO_TO_RESULT(source) (source)->d_ino == 0, -# endif +#if defined _LIBC || defined D_INO_IN_DIRENT +# define D_INO_TO_RESULT(source) (source)->d_ino == 0, + return d.skip_entry; +#else +# define D_INO_TO_RESULT(source) + return false; +#endif +} /* Construct an initializer for a struct readdir_result object from a struct dirent *. No copy of the name is made. */ @@ -186,8 +155,6 @@ readdir_result_might_be_dir (struct read D_INO_TO_RESULT (source) \ } -#endif /* !defined _LIBC || !defined GLOB_ONLY_P */ - /* Call gl_readdir on STREAM. This macro can be overridden to reduce type safety if an old interface version needs to be supported. */ #ifndef GL_READDIR @@ -225,18 +192,55 @@ convert_dirent64 (const struct dirent64 } #endif +#ifndef _LIBC +/* The results of opendir() in this file are not used with dirfd and fchdir, + and we do not leak fds to any single-threaded code that could use stdio, + therefore save some unnecessary recursion in fchdir.c and opendir_safer.c. + FIXME - if the kernel ever adds support for multi-thread safety for + avoiding standard fds, then we should use opendir_safer. */ +# ifdef GNULIB_defined_opendir +# undef opendir +# endif +# ifdef GNULIB_defined_closedir +# undef closedir +# endif -#ifndef attribute_hidden -# define attribute_hidden +/* Just use malloc. */ +# define __libc_use_alloca(n) false +# define alloca_account(len, avar) ((void) (len), (void) (avar), (void *) 0) +# define extend_alloca_account(buf, len, newlen, avar) \ + ((void) (buf), (void) (len), (void) (newlen), (void) (avar), (void *) 0) #endif +/* Set *R = A + B. Return true if the answer is mathematically + incorrect due to overflow; in this case, *R is the low order + bits of the correct answer. */ + +static bool +size_add_wrapv (size_t a, size_t b, size_t *r) +{ +#if 5 <= __GNUC__ && !defined __ICC + return __builtin_add_overflow (a, b, r); +#else + *r = a + b; + return *r < a; +#endif +} + +static bool +glob_use_alloca (size_t alloca_used, size_t len) +{ + size_t size; + return (!size_add_wrapv (alloca_used, len, &size) + && __libc_use_alloca (size)); +} + static int glob_in_dir (const char *pattern, const char *directory, int flags, int (*errfunc) (const char *, int), glob_t *pglob, size_t alloca_used); extern int __glob_pattern_type (const char *pattern, int quote) attribute_hidden; -#if !defined _LIBC || !defined GLOB_ONLY_P static int prefix_array (const char *prefix, char **array, size_t n) __THROWNL; static int collated_compare (const void *, const void *) __THROWNL; @@ -265,16 +269,15 @@ next_brace_sub (const char *cp, int flag return *cp != '\0' ? cp : NULL; } -#endif /* !defined _LIBC || !defined GLOB_ONLY_P */ /* Do glob searching for PATTERN, placing results in PGLOB. The bits defined above may be set in FLAGS. If a directory cannot be opened or read and ERRFUNC is not nil, it is called with the pathname that caused the error, and the - `errno' value from the failing call; if it returns non-zero - `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored. + 'errno' value from the failing call; if it returns non-zero + 'glob' returns GLOB_ABORTED; if it returns zero, the error is ignored. If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned. - Otherwise, `glob' returns zero. */ + Otherwise, 'glob' returns zero. */ int #ifdef GLOB_ATTRIBUTE GLOB_ATTRIBUTE @@ -295,9 +298,7 @@ glob (pattern, flags, errfunc, pglob) int malloc_dirname = 0; glob_t dirs; int retval = 0; -#ifdef _LIBC size_t alloca_used = 0; -#endif if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0) { @@ -311,7 +312,7 @@ glob (pattern, flags, errfunc, pglob) flags |= GLOB_ONLYDIR; if (!(flags & GLOB_DOOFFS)) - /* Have to do this so `globfree' knows where to start freeing. It + /* Have to do this so 'globfree' knows where to start freeing. It also makes all the code that uses gl_offs simpler. */ pglob->gl_offs = 0; @@ -353,14 +354,12 @@ glob (pattern, flags, errfunc, pglob) size_t rest_len; char *onealt; size_t pattern_len = strlen (pattern) - 1; -#ifdef _LIBC - int alloca_onealt = __libc_use_alloca (alloca_used + pattern_len); + int alloca_onealt = glob_use_alloca (alloca_used, pattern_len); if (alloca_onealt) onealt = alloca_account (pattern_len, alloca_used); else -#endif { - onealt = (char *) malloc (pattern_len); + onealt = malloc (pattern_len); if (onealt == NULL) { if (!(flags & GLOB_APPEND)) @@ -380,11 +379,9 @@ glob (pattern, flags, errfunc, pglob) next = next_brace_sub (begin + 1, flags); if (next == NULL) { - /* It is an illegal expression. */ + /* It is an invalid expression. */ illegal_brace: -#ifdef _LIBC if (__glibc_unlikely (!alloca_onealt)) -#endif free (onealt); return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob); } @@ -432,9 +429,7 @@ glob (pattern, flags, errfunc, pglob) /* If we got an error, return it. */ if (result && result != GLOB_NOMATCH) { -#ifdef _LIBC if (__glibc_unlikely (!alloca_onealt)) -#endif free (onealt); if (!(flags & GLOB_APPEND)) { @@ -453,9 +448,7 @@ glob (pattern, flags, errfunc, pglob) assert (next != NULL); } -#ifdef _LIBC if (__glibc_unlikely (!alloca_onealt)) -#endif free (onealt); if (pglob->gl_pathc != firstc) @@ -492,14 +485,16 @@ glob (pattern, flags, errfunc, pglob) /* Find the filename. */ filename = strrchr (pattern, '/'); + #if defined __MSDOS__ || defined WINDOWS32 - /* The case of "d:pattern". Since `:' is not allowed in + /* The case of "d:pattern". Since ':' is not allowed in file names, we can safely assume that wherever it happens in pattern, it signals the filename part. This is so we could some day support patterns like "[a-z]:foo". */ if (filename == NULL) filename = strchr (pattern, ':'); #endif /* __MSDOS__ || WINDOWS32 */ + dirname_modified = 0; if (filename == NULL) { @@ -524,11 +519,7 @@ glob (pattern, flags, errfunc, pglob) } filename = pattern; -#ifdef _AMIGA - dirname = (char *) ""; -#else dirname = (char *) "."; -#endif dirlen = 0; } } @@ -552,22 +543,21 @@ glob (pattern, flags, errfunc, pglob) char *drive_spec; ++dirlen; - drive_spec = (char *) __alloca (dirlen + 1); + drive_spec = __alloca (dirlen + 1); *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0'; /* For now, disallow wildcards in the drive spec, to prevent infinite recursion in glob. */ if (__glob_pattern_p (drive_spec, !(flags & GLOB_NOESCAPE))) return GLOB_NOMATCH; - /* If this is "d:pattern", we need to copy `:' to DIRNAME + /* If this is "d:pattern", we need to copy ':' to DIRNAME as well. If it's "d:/pattern", don't remove the slash from "d:/", since "d:" and "d:/" are not the same.*/ } #endif -#ifdef _LIBC - if (__libc_use_alloca (alloca_used + dirlen + 1)) + + if (glob_use_alloca (alloca_used, dirlen + 1)) newp = alloca_account (dirlen + 1, alloca_used); else -#endif { newp = malloc (dirlen + 1); if (newp == NULL) @@ -578,14 +568,17 @@ glob (pattern, flags, errfunc, pglob) dirname = newp; ++filename; - if (filename[0] == '\0' #if defined __MSDOS__ || defined WINDOWS32 - && dirname[dirlen - 1] != ':' - && (dirlen < 3 || dirname[dirlen - 2] != ':' - || dirname[dirlen - 1] != '/') + bool drive_root = (dirlen > 1 + && (dirname[dirlen - 1] == ':' + || (dirlen > 2 && dirname[dirlen - 2] == ':' + && dirname[dirlen - 1] == '/'))); +#else + bool drive_root = false; #endif - && dirlen > 1) - /* "pattern/". Expand "pattern", appending slashes. */ + + if (filename[0] == '\0' && dirlen > 1 && !drive_root) + /* "pattern/". Expand "pattern", appending slashes. */ { int orig_flags = flags; if (!(flags & GLOB_NOESCAPE) && dirname[dirlen - 1] == '\\') @@ -618,7 +611,6 @@ glob (pattern, flags, errfunc, pglob) } } -#ifndef VMS if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && dirname[0] == '~') { if (dirname[1] == '\0' || dirname[1] == '/' @@ -628,100 +620,127 @@ glob (pattern, flags, errfunc, pglob) /* Look up home directory. */ char *home_dir = getenv ("HOME"); int malloc_home_dir = 0; -# ifdef _AMIGA - if (home_dir == NULL || home_dir[0] == '\0') - home_dir = "SYS:"; -# else -# ifdef WINDOWS32 - if (home_dir == NULL || home_dir[0] == '\0') - home_dir = "c:/users/default"; /* poor default */ -# else if (home_dir == NULL || home_dir[0] == '\0') { +#ifdef WINDOWS32 + /* Windows NT defines HOMEDRIVE and HOMEPATH. But give + preference to HOME, because the user can change HOME. */ + const char *home_drive = getenv ("HOMEDRIVE"); + const char *home_path = getenv ("HOMEPATH"); + + if (home_drive != NULL && home_path != NULL) + { + size_t home_drive_len = strlen (home_drive); + size_t home_path_len = strlen (home_path); + char *mem = alloca (home_drive_len + home_path_len + 1); + + memcpy (mem, home_drive, home_drive_len); + memcpy (mem + home_drive_len, home_path, home_path_len + 1); + home_dir = mem; + } + else + home_dir = "c:/users/default"; /* poor default */ +#else int success; char *name; + int malloc_name = 0; size_t buflen = GET_LOGIN_NAME_MAX () + 1; if (buflen == 0) - /* `sysconf' does not support _SC_LOGIN_NAME_MAX. Try + /* 'sysconf' does not support _SC_LOGIN_NAME_MAX. Try a moderate value. */ buflen = 20; - name = alloca_account (buflen, alloca_used); + if (glob_use_alloca (alloca_used, buflen)) + name = alloca_account (buflen, alloca_used); + else + { + name = malloc (buflen); + if (name == NULL) + { + retval = GLOB_NOSPACE; + goto out; + } + malloc_name = 1; + } success = __getlogin_r (name, buflen) == 0; if (success) { struct passwd *p; -# if defined HAVE_GETPWNAM_R || defined _LIBC - long int pwbuflen = GETPW_R_SIZE_MAX (); + char *malloc_pwtmpbuf = NULL; char *pwtmpbuf; +# if defined HAVE_GETPWNAM_R || defined _LIBC + long int pwbuflenmax = GETPW_R_SIZE_MAX (); + size_t pwbuflen = pwbuflenmax; struct passwd pwbuf; - int malloc_pwtmpbuf = 0; int save = errno; -# ifndef _LIBC - if (pwbuflen == -1) - /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. +# ifndef _LIBC + if (! (0 < pwbuflenmax && pwbuflenmax <= SIZE_MAX)) + /* 'sysconf' does not support _SC_GETPW_R_SIZE_MAX. Try a moderate value. */ pwbuflen = 1024; -# endif - if (__libc_use_alloca (alloca_used + pwbuflen)) +# endif + if (glob_use_alloca (alloca_used, pwbuflen)) pwtmpbuf = alloca_account (pwbuflen, alloca_used); else { pwtmpbuf = malloc (pwbuflen); if (pwtmpbuf == NULL) { + if (__glibc_unlikely (malloc_name)) + free (name); retval = GLOB_NOSPACE; goto out; } - malloc_pwtmpbuf = 1; + malloc_pwtmpbuf = pwtmpbuf; } while (getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p) != 0) { + size_t newlen; + bool v; if (errno != ERANGE) { p = NULL; break; } - - if (!malloc_pwtmpbuf - && __libc_use_alloca (alloca_used - + 2 * pwbuflen)) + v = size_add_wrapv (pwbuflen, pwbuflen, &newlen); + if (!v && malloc_pwtmpbuf == NULL + && glob_use_alloca (alloca_used, newlen)) pwtmpbuf = extend_alloca_account (pwtmpbuf, pwbuflen, - 2 * pwbuflen, - alloca_used); + newlen, alloca_used); else { - char *newp = realloc (malloc_pwtmpbuf - ? pwtmpbuf : NULL, - 2 * pwbuflen); + char *newp = (v ? NULL + : realloc (malloc_pwtmpbuf, newlen)); if (newp == NULL) { - if (__glibc_unlikely (malloc_pwtmpbuf)) - free (pwtmpbuf); + free (malloc_pwtmpbuf); + if (__glibc_unlikely (malloc_name)) + free (name); retval = GLOB_NOSPACE; goto out; } - pwtmpbuf = newp; - pwbuflen = 2 * pwbuflen; - malloc_pwtmpbuf = 1; + malloc_pwtmpbuf = pwtmpbuf = newp; } + pwbuflen = newlen; __set_errno (save); } -# else +# else p = getpwnam (name); -# endif +# endif + if (__glibc_unlikely (malloc_name)) + free (name); if (p != NULL) { - if (!malloc_pwtmpbuf) + if (malloc_pwtmpbuf == NULL) home_dir = p->pw_dir; else { size_t home_dir_len = strlen (p->pw_dir) + 1; - if (__libc_use_alloca (alloca_used + home_dir_len)) + if (glob_use_alloca (alloca_used, home_dir_len)) home_dir = alloca_account (home_dir_len, alloca_used); else @@ -736,26 +755,32 @@ glob (pattern, flags, errfunc, pglob) malloc_home_dir = 1; } memcpy (home_dir, p->pw_dir, home_dir_len); - - free (pwtmpbuf); } } + free (malloc_pwtmpbuf); } + else + { + if (__glibc_unlikely (malloc_name)) + free (name); + } +#endif /* WINDOWS32 */ } if (home_dir == NULL || home_dir[0] == '\0') { + if (__glibc_unlikely (malloc_home_dir)) + free (home_dir); if (flags & GLOB_TILDE_CHECK) { - if (__glibc_unlikely (malloc_home_dir)) - free (home_dir); retval = GLOB_NOMATCH; goto out; } else - home_dir = (char *) "~"; /* No luck. */ + { + home_dir = (char *) "~"; /* No luck. */ + malloc_home_dir = 0; + } } -# endif /* WINDOWS32 */ -# endif /* Now construct the full directory. */ if (dirname[1] == '\0') { @@ -770,8 +795,7 @@ glob (pattern, flags, errfunc, pglob) { char *newp; size_t home_len = strlen (home_dir); - int use_alloca = __libc_use_alloca (alloca_used - + home_len + dirlen); + int use_alloca = glob_use_alloca (alloca_used, home_len + dirlen); if (use_alloca) newp = alloca_account (home_len + dirlen, alloca_used); else @@ -795,12 +819,15 @@ glob (pattern, flags, errfunc, pglob) dirname = newp; dirlen += home_len - 1; malloc_dirname = !use_alloca; + + if (__glibc_unlikely (malloc_home_dir)) + free (home_dir); } dirname_modified = 1; } -# if !defined _AMIGA && !defined WINDOWS32 else { +#ifndef WINDOWS32 char *end_name = strchr (dirname, '/'); char *user_name; int malloc_user_name = 0; @@ -822,7 +849,7 @@ glob (pattern, flags, errfunc, pglob) else { char *newp; - if (__libc_use_alloca (alloca_used + (end_name - dirname))) + if (glob_use_alloca (alloca_used, end_name - dirname)) newp = alloca_account (end_name - dirname, alloca_used); else { @@ -839,11 +866,11 @@ glob (pattern, flags, errfunc, pglob) char *p = mempcpy (newp, dirname + 1, unescape - dirname - 1); char *q = unescape; - while (*q != '\0') + while (q != end_name) { if (*q == '\\') { - if (q[1] == '\0') + if (q + 1 == end_name) { /* "~fo\\o\\" unescape to user_name "foo\\", but "~fo\\o\\/" unescape to user_name @@ -859,7 +886,7 @@ glob (pattern, flags, errfunc, pglob) *p = '\0'; } else - *((char *) mempcpy (newp, dirname + 1, end_name - dirname)) + *((char *) mempcpy (newp, dirname + 1, end_name - dirname - 1)) = '\0'; user_name = newp; } @@ -867,20 +894,21 @@ glob (pattern, flags, errfunc, pglob) /* Look up specific user's home directory. */ { struct passwd *p; + char *malloc_pwtmpbuf = NULL; # if defined HAVE_GETPWNAM_R || defined _LIBC - long int buflen = GETPW_R_SIZE_MAX (); + long int buflenmax = GETPW_R_SIZE_MAX (); + size_t buflen = buflenmax; char *pwtmpbuf; - int malloc_pwtmpbuf = 0; struct passwd pwbuf; int save = errno; # ifndef _LIBC - if (buflen == -1) - /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. Try a + if (! (0 <= buflenmax && buflenmax <= SIZE_MAX)) + /* Perhaps 'sysconf' does not support _SC_GETPW_R_SIZE_MAX. Try a moderate value. */ buflen = 1024; # endif - if (__libc_use_alloca (alloca_used + buflen)) + if (glob_use_alloca (alloca_used, buflen)) pwtmpbuf = alloca_account (buflen, alloca_used); else { @@ -893,32 +921,32 @@ glob (pattern, flags, errfunc, pglob) retval = GLOB_NOSPACE; goto out; } - malloc_pwtmpbuf = 1; + malloc_pwtmpbuf = pwtmpbuf; } while (getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) != 0) { + size_t newlen; + bool v; if (errno != ERANGE) { p = NULL; break; } - if (!malloc_pwtmpbuf - && __libc_use_alloca (alloca_used + 2 * buflen)) + v = size_add_wrapv (buflen, buflen, &newlen); + if (!v && malloc_pwtmpbuf == NULL + && glob_use_alloca (alloca_used, newlen)) pwtmpbuf = extend_alloca_account (pwtmpbuf, buflen, - 2 * buflen, alloca_used); + newlen, alloca_used); else { - char *newp = realloc (malloc_pwtmpbuf ? pwtmpbuf : NULL, - 2 * buflen); + char *newp = v ? NULL : realloc (malloc_pwtmpbuf, newlen); if (newp == NULL) { - if (__glibc_unlikely (malloc_pwtmpbuf)) - free (pwtmpbuf); + free (malloc_pwtmpbuf); goto nomem_getpw; } - pwtmpbuf = newp; - malloc_pwtmpbuf = 1; + malloc_pwtmpbuf = pwtmpbuf = newp; } __set_errno (save); } @@ -939,7 +967,7 @@ glob (pattern, flags, errfunc, pglob) free (dirname); malloc_dirname = 0; - if (__libc_use_alloca (alloca_used + home_len + rest_len + 1)) + if (glob_use_alloca (alloca_used, home_len + rest_len + 1)) dirname = alloca_account (home_len + rest_len + 1, alloca_used); else @@ -947,8 +975,7 @@ glob (pattern, flags, errfunc, pglob) dirname = malloc (home_len + rest_len + 1); if (dirname == NULL) { - if (__glibc_unlikely (malloc_pwtmpbuf)) - free (pwtmpbuf); + free (malloc_pwtmpbuf); retval = GLOB_NOSPACE; goto out; } @@ -960,24 +987,24 @@ glob (pattern, flags, errfunc, pglob) dirlen = home_len + rest_len; dirname_modified = 1; - if (__glibc_unlikely (malloc_pwtmpbuf)) - free (pwtmpbuf); + free (malloc_pwtmpbuf); } else { - if (__glibc_unlikely (malloc_pwtmpbuf)) - free (pwtmpbuf); + free (malloc_pwtmpbuf); if (flags & GLOB_TILDE_CHECK) - /* We have to regard it as an error if we cannot find the - home directory. */ - return GLOB_NOMATCH; + { + /* We have to regard it as an error if we cannot find the + home directory. */ + retval = GLOB_NOMATCH; + goto out; + } } } +#endif /* !WINDOWS32 */ } -# endif /* Not Amiga && not WINDOWS32. */ } -#endif /* Not VMS. */ /* Now test whether we looked for "~" or "~NAME". In this case we can give the answer now. */ @@ -996,19 +1023,18 @@ glob (pattern, flags, errfunc, pglob) size_t newcount = pglob->gl_pathc + pglob->gl_offs; char **new_gl_pathv; - if (newcount > UINTPTR_MAX - (1 + 1) - || newcount + 1 + 1 > ~((size_t) 0) / sizeof (char *)) + if (newcount > SIZE_MAX / sizeof (char *) - 2) { nospace: free (pglob->gl_pathv); pglob->gl_pathv = NULL; pglob->gl_pathc = 0; - return GLOB_NOSPACE; + retval = GLOB_NOSPACE; + goto out; } - new_gl_pathv - = (char **) realloc (pglob->gl_pathv, - (newcount + 1 + 1) * sizeof (char *)); + new_gl_pathv = realloc (pglob->gl_pathv, + (newcount + 2) * sizeof (char *)); if (new_gl_pathv == NULL) goto nospace; pglob->gl_pathv = new_gl_pathv; @@ -1022,12 +1048,19 @@ glob (pattern, flags, errfunc, pglob) p = mempcpy (pglob->gl_pathv[newcount], dirname, dirlen); p[0] = '/'; p[1] = '\0'; + if (__glibc_unlikely (malloc_dirname)) + free (dirname); } else { - pglob->gl_pathv[newcount] = strdup (dirname); - if (pglob->gl_pathv[newcount] == NULL) - goto nospace; + if (__glibc_unlikely (malloc_dirname)) + pglob->gl_pathv[newcount] = dirname; + else + { + pglob->gl_pathv[newcount] = strdup (dirname); + if (pglob->gl_pathv[newcount] == NULL) + goto nospace; + } } pglob->gl_pathv[++newcount] = NULL; ++pglob->gl_pathc; @@ -1037,7 +1070,8 @@ glob (pattern, flags, errfunc, pglob) } /* Not found. */ - return GLOB_NOMATCH; + retval = GLOB_NOMATCH; + goto out; } meta = __glob_pattern_type (dirname, !(flags & GLOB_NOESCAPE)); @@ -1083,7 +1117,10 @@ glob (pattern, flags, errfunc, pglob) if (status != 0) { if ((flags & GLOB_NOCHECK) == 0 || status != GLOB_NOMATCH) - return status; + { + retval = status; + goto out; + } goto no_matches; } @@ -1094,19 +1131,6 @@ glob (pattern, flags, errfunc, pglob) { size_t old_pathc; -#ifdef SHELL - { - /* Make globbing interruptible in the bash shell. */ - extern int interrupt_state; - - if (interrupt_state) - { - globfree (&dirs); - return GLOB_ABORTED; - } - } -#endif /* SHELL. */ - old_pathc = pglob->gl_pathc; status = glob_in_dir (filename, dirs.gl_pathv[i], ((flags | GLOB_APPEND) @@ -1121,7 +1145,8 @@ glob (pattern, flags, errfunc, pglob) globfree (&dirs); globfree (pglob); pglob->gl_pathc = 0; - return status; + retval = status; + goto out; } /* Stick the directory on the front of each name. */ @@ -1132,13 +1157,14 @@ glob (pattern, flags, errfunc, pglob) globfree (&dirs); globfree (pglob); pglob->gl_pathc = 0; - return GLOB_NOSPACE; + retval = GLOB_NOSPACE; + goto out; } } flags |= GLOB_MAGCHAR; - /* We have ignored the GLOB_NOCHECK flag in the `glob_in_dir' calls. + /* We have ignored the GLOB_NOCHECK flag in the 'glob_in_dir' calls. But if we have not found any matching entry and the GLOB_NOCHECK flag was set we must return the input pattern itself. */ if (pglob->gl_pathc + pglob->gl_offs == oldcount) @@ -1150,28 +1176,28 @@ glob (pattern, flags, errfunc, pglob) size_t newcount = pglob->gl_pathc + pglob->gl_offs; char **new_gl_pathv; - if (newcount > UINTPTR_MAX - 2 - || newcount + 2 > ~((size_t) 0) / sizeof (char *)) + if (newcount > SIZE_MAX / sizeof (char *) - 2) { nospace2: globfree (&dirs); - return GLOB_NOSPACE; + retval = GLOB_NOSPACE; + goto out; } - new_gl_pathv = (char **) realloc (pglob->gl_pathv, - (newcount + 2) - * sizeof (char *)); + new_gl_pathv = realloc (pglob->gl_pathv, + (newcount + 2) * sizeof (char *)); if (new_gl_pathv == NULL) goto nospace2; pglob->gl_pathv = new_gl_pathv; - pglob->gl_pathv[newcount] = __strdup (pattern); + pglob->gl_pathv[newcount] = strdup (pattern); if (pglob->gl_pathv[newcount] == NULL) { globfree (&dirs); globfree (pglob); pglob->gl_pathc = 0; - return GLOB_NOSPACE; + retval = GLOB_NOSPACE; + goto out; } ++pglob->gl_pathc; @@ -1183,7 +1209,8 @@ glob (pattern, flags, errfunc, pglob) else { globfree (&dirs); - return GLOB_NOMATCH; + retval = GLOB_NOMATCH; + goto out; } } @@ -1229,7 +1256,8 @@ glob (pattern, flags, errfunc, pglob) flags = orig_flags; goto no_matches; } - return status; + retval = status; + goto out; } if (dirlen > 0) @@ -1241,7 +1269,8 @@ glob (pattern, flags, errfunc, pglob) { globfree (pglob); pglob->gl_pathc = 0; - return GLOB_NOSPACE; + retval = GLOB_NOSPACE; + goto out; } } } @@ -1266,7 +1295,8 @@ glob (pattern, flags, errfunc, pglob) { globfree (pglob); pglob->gl_pathc = 0; - return GLOB_NOSPACE; + retval = GLOB_NOSPACE; + goto out; } strcpy (&new[len - 2], "/"); pglob->gl_pathv[i] = new; @@ -1292,33 +1322,12 @@ libc_hidden_def (glob) #endif -#if !defined _LIBC || !defined GLOB_ONLY_P - -/* Free storage allocated in PGLOB by a previous `glob' call. */ -void -globfree (pglob) - glob_t *pglob; -{ - if (pglob->gl_pathv != NULL) - { - size_t i; - for (i = 0; i < pglob->gl_pathc; ++i) - free (pglob->gl_pathv[pglob->gl_offs + i]); - free (pglob->gl_pathv); - pglob->gl_pathv = NULL; - } -} -#if defined _LIBC && !defined globfree -libc_hidden_def (globfree) -#endif - - /* Do a collated comparison of A and B. */ static int collated_compare (const void *a, const void *b) { - const char *const s1 = *(const char *const * const) a; - const char *const s2 = *(const char *const * const) b; + char *const *ps1 = a; char *s1 = *ps1; + char *const *ps2 = b; char *s2 = *ps2; if (s1 == s2) return 0; @@ -1339,28 +1348,24 @@ prefix_array (const char *dirname, char { size_t i; size_t dirlen = strlen (dirname); -#if defined __MSDOS__ || defined WINDOWS32 - int sep_char = '/'; -# define DIRSEP_CHAR sep_char -#else -# define DIRSEP_CHAR '/' -#endif + char dirsep_char = '/'; if (dirlen == 1 && dirname[0] == '/') /* DIRNAME is just "/", so normal prepending would get us "//foo". We want "/foo" instead, so don't prepend any chars from DIRNAME. */ dirlen = 0; + #if defined __MSDOS__ || defined WINDOWS32 - else if (dirlen > 1) + if (dirlen > 1) { if (dirname[dirlen - 1] == '/' && dirname[dirlen - 2] == ':') /* DIRNAME is "d:/". Don't prepend the slash from DIRNAME. */ --dirlen; else if (dirname[dirlen - 1] == ':') { - /* DIRNAME is "d:". Use `:' instead of `/'. */ + /* DIRNAME is "d:". Use ':' instead of '/'. */ --dirlen; - sep_char = ':'; + dirsep_char = ':'; } } #endif @@ -1368,7 +1373,7 @@ prefix_array (const char *dirname, char for (i = 0; i < n; ++i) { size_t eltlen = strlen (array[i]) + 1; - char *new = (char *) malloc (dirlen + 1 + eltlen); + char *new = malloc (dirlen + 1 + eltlen); if (new == NULL) { while (i > 0) @@ -1378,7 +1383,7 @@ prefix_array (const char *dirname, char { char *endp = mempcpy (new, dirname, dirlen); - *endp++ = DIRSEP_CHAR; + *endp++ = dirsep_char; mempcpy (endp, array[i], eltlen); } free (array[i]); @@ -1388,107 +1393,57 @@ prefix_array (const char *dirname, char return 0; } - -/* We must not compile this function twice. */ -#if !defined _LIBC || !defined NO_GLOB_PATTERN_P -int -__glob_pattern_type (pattern, quote) - const char *pattern; - int quote; -{ - const char *p; - int ret = 0; - - for (p = pattern; *p != '\0'; ++p) - switch (*p) - { - case '?': - case '*': - return 1; - - case '\\': - if (quote) - { - if (p[1] != '\0') - ++p; - ret |= 2; - } - break; - - case '[': - ret |= 4; - break; - - case ']': - if (ret & 4) - return 1; - break; - } - - return ret; -} - -/* Return nonzero if PATTERN contains any metacharacters. - Metacharacters can be quoted with backslashes if QUOTE is nonzero. */ -int -__glob_pattern_p (pattern, quote) - const char *pattern; - int quote; -{ - return __glob_pattern_type (pattern, quote) == 1; -} -# ifdef _LIBC -weak_alias (__glob_pattern_p, glob_pattern_p) -# endif -#endif - -#endif /* !GLOB_ONLY_P */ - - /* We put this in a separate function mainly to allow the memory allocated with alloca to be recycled. */ -#if !defined _LIBC || !defined GLOB_ONLY_P static int __attribute_noinline__ -link_exists2_p (const char *dir, size_t dirlen, const char *fname, - glob_t *pglob -# ifndef _LIBC - , int flags +link_stat (const char *dir, size_t dirlen, const char *fname, + glob_t *pglob +# if !defined _LIBC && !HAVE_FSTATAT + , int flags # endif - ) + ) { size_t fnamelen = strlen (fname); - char *fullname = (char *) __alloca (dirlen + 1 + fnamelen + 1); + char *fullname = __alloca (dirlen + 1 + fnamelen + 1); struct stat st; -# ifndef _LIBC - struct_stat64 st64; -# endif mempcpy (mempcpy (mempcpy (fullname, dir, dirlen), "/", 1), fname, fnamelen + 1); -# ifdef _LIBC - return (*pglob->gl_stat) (fullname, &st) == 0; -# else - return ((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0) - ? (*pglob->gl_stat) (fullname, &st) - : __stat64 (fullname, &st64)) == 0); +# if !defined _LIBC && !HAVE_FSTATAT + if (__builtin_expect ((flags & GLOB_ALTDIRFUNC) == 0, 1)) + { + struct_stat64 st64; + return __stat64 (fullname, &st64); + } # endif + return (*pglob->gl_stat) (fullname, &st); } -# ifdef _LIBC -# define link_exists_p(dfd, dirname, dirnamelen, fname, pglob, flags) \ - (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0) \ - ? link_exists2_p (dirname, dirnamelen, fname, pglob) \ - : ({ struct stat64 st64; \ - __fxstatat64 (_STAT_VER, dfd, fname, &st64, 0) == 0; })) + +/* Return true if DIR/FNAME exists. */ +static int +link_exists_p (int dfd, const char *dir, size_t dirlen, const char *fname, + glob_t *pglob, int flags) +{ + int status; +# if defined _LIBC || HAVE_FSTATAT + if (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)) + status = link_stat (dir, dirlen, fname, pglob); + else + { + /* dfd cannot be -1 here, because dirfd never returns -1 on + glibc, or on hosts that have fstatat. */ + struct_stat64 st64; + status = __fxstatat64 (_STAT_VER, dfd, fname, &st64, 0); + } # else -# define link_exists_p(dfd, dirname, dirnamelen, fname, pglob, flags) \ - link_exists2_p (dirname, dirnamelen, fname, pglob, flags) + status = link_stat (dir, dirlen, fname, pglob, flags); # endif -#endif - + return status == 0 || errno == EOVERFLOW; +} -/* Like `glob', but PATTERN is a final pathname component, +/* Like 'glob', but PATTERN is a final pathname component, and matches are searched for in DIRECTORY. The GLOB_NOSORT bit in FLAGS is ignored. No sorting is ever done. The GLOB_APPEND flag is assumed to be set (always appends). */ @@ -1499,25 +1454,25 @@ glob_in_dir (const char *pattern, const { size_t dirlen = strlen (directory); void *stream = NULL; - struct globnames - { - struct globnames *next; - size_t count; - char *name[64]; - }; -#define INITIAL_COUNT sizeof (init_names.name) / sizeof (init_names.name[0]) - struct globnames init_names; - struct globnames *names = &init_names; - struct globnames *names_alloca = &init_names; +# define GLOBNAMES_MEMBERS(nnames) \ + struct globnames *next; size_t count; char *name[nnames]; + struct globnames { GLOBNAMES_MEMBERS (FLEXIBLE_ARRAY_MEMBER) }; + struct { GLOBNAMES_MEMBERS (64) } init_names_buf; + struct globnames *init_names = (struct globnames *) &init_names_buf; + struct globnames *names = init_names; + struct globnames *names_alloca = init_names; size_t nfound = 0; size_t cur = 0; int meta; int save; + int result; - alloca_used += sizeof (init_names); + alloca_used += sizeof init_names_buf; - init_names.next = NULL; - init_names.count = INITIAL_COUNT; + init_names->next = NULL; + init_names->count = ((sizeof init_names_buf + - offsetof (struct globnames, name)) + / sizeof init_names->name[0]); meta = __glob_pattern_type (pattern, !(flags & GLOB_NOESCAPE)); if (meta == 0 && (flags & (GLOB_NOCHECK|GLOB_NOMAGIC))) @@ -1537,14 +1492,16 @@ glob_in_dir (const char *pattern, const struct_stat64 st64; } ust; size_t patlen = strlen (pattern); - int alloca_fullname = __libc_use_alloca (alloca_used - + dirlen + 1 + patlen + 1); + size_t fullsize; + bool alloca_fullname + = (! size_add_wrapv (dirlen + 1, patlen + 1, &fullsize) + && glob_use_alloca (alloca_used, fullsize)); char *fullname; if (alloca_fullname) - fullname = alloca_account (dirlen + 1 + patlen + 1, alloca_used); + fullname = alloca_account (fullsize, alloca_used); else { - fullname = malloc (dirlen + 1 + patlen + 1); + fullname = malloc (fullsize); if (fullname == NULL) return GLOB_NOSPACE; } @@ -1552,9 +1509,11 @@ glob_in_dir (const char *pattern, const mempcpy (mempcpy (mempcpy (fullname, directory, dirlen), "/", 1), pattern, patlen + 1); - if ((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0) + if (((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0) ? (*pglob->gl_stat) (fullname, &ust.st) - : __stat64 (fullname, &ust.st64)) == 0) + : __stat64 (fullname, &ust.st64)) + == 0) + || errno == EOVERFLOW) /* We found this file to be existing. Now tell the rest of the function to copy this name into the result. */ flags |= GLOB_NOCHECK; @@ -1576,16 +1535,10 @@ glob_in_dir (const char *pattern, const } else { -#ifdef _LIBC int dfd = (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0) ? -1 : dirfd ((DIR *) stream)); -#endif int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) - | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) -#if defined _AMIGA || defined VMS - | FNM_CASEFOLD -#endif - ); + | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)); flags |= GLOB_MAGCHAR; while (1) @@ -1605,19 +1558,24 @@ glob_in_dir (const char *pattern, const } if (d.name == NULL) break; - if (d.skip_entry) + if (readdir_result_skip_entry (d)) continue; /* If we shall match only directories use the information provided by the dirent call if possible. */ - if ((flags & GLOB_ONLYDIR) && !readdir_result_might_be_dir (d)) - continue; + if (flags & GLOB_ONLYDIR) + switch (readdir_result_type (d)) + { + case DT_DIR: case DT_LNK: case DT_UNKNOWN: break; + default: continue; + } if (fnmatch (pattern, d.name, fnm_flags) == 0) { /* If the file we found is a symlink we have to make sure the target file exists. */ - if (!readdir_result_might_be_symlink (d) + dirent_type type = readdir_result_type (d); + if (! (type == DT_LNK || type == DT_UNKNOWN) || link_exists_p (dfd, directory, dirlen, d.name, pglob, flags)) { @@ -1625,10 +1583,13 @@ glob_in_dir (const char *pattern, const { struct globnames *newnames; size_t count = names->count * 2; - size_t size = (sizeof (struct globnames) - + ((count - INITIAL_COUNT) - * sizeof (char *))); - if (__libc_use_alloca (alloca_used + size)) + size_t nameoff = offsetof (struct globnames, name); + size_t size = FLEXSIZEOF (struct globnames, name, + count * sizeof (char *)); + if ((SIZE_MAX - nameoff) / 2 / sizeof (char *) + < names->count) + goto memory_error; + if (glob_use_alloca (alloca_used, size)) newnames = names_alloca = alloca_account (size, alloca_used); else if ((newnames = malloc (size)) @@ -1644,6 +1605,8 @@ glob_in_dir (const char *pattern, const goto memory_error; ++cur; ++nfound; + if (SIZE_MAX - pglob->gl_offs <= nfound) + goto memory_error; } } } @@ -1654,29 +1617,27 @@ glob_in_dir (const char *pattern, const { size_t len = strlen (pattern); nfound = 1; - names->name[cur] = (char *) malloc (len + 1); + names->name[cur] = malloc (len + 1); if (names->name[cur] == NULL) goto memory_error; *((char *) mempcpy (names->name[cur++], pattern, len)) = '\0'; } - int result = GLOB_NOMATCH; + result = GLOB_NOMATCH; if (nfound != 0) { + char **new_gl_pathv; result = 0; - if (pglob->gl_pathc > UINTPTR_MAX - pglob->gl_offs - || pglob->gl_pathc + pglob->gl_offs > UINTPTR_MAX - nfound - || pglob->gl_pathc + pglob->gl_offs + nfound > UINTPTR_MAX - 1 - || (pglob->gl_pathc + pglob->gl_offs + nfound + 1 - > UINTPTR_MAX / sizeof (char *))) + if (SIZE_MAX / sizeof (char *) - pglob->gl_pathc + < pglob->gl_offs + nfound + 1) goto memory_error; - char **new_gl_pathv; new_gl_pathv - = (char **) realloc (pglob->gl_pathv, - (pglob->gl_pathc + pglob->gl_offs + nfound + 1) - * sizeof (char *)); + = realloc (pglob->gl_pathv, + (pglob->gl_pathc + pglob->gl_offs + nfound + 1) + * sizeof (char *)); + if (new_gl_pathv == NULL) { memory_error: @@ -1692,7 +1653,7 @@ glob_in_dir (const char *pattern, const and this is the block assigned to OLD here. */ if (names == NULL) { - assert (old == &init_names); + assert (old == init_names); break; } cur = names->count; @@ -1718,7 +1679,7 @@ glob_in_dir (const char *pattern, const and this is the block assigned to OLD here. */ if (names == NULL) { - assert (old == &init_names); + assert (old == init_names); break; } cur = names->count; Index: glibc-2.22/posix/glob64.c =================================================================== --- glibc-2.22.orig/posix/glob64.c +++ glibc-2.22/posix/glob64.c @@ -43,10 +43,4 @@ glob64 (const char *pattern, int flags, } libc_hidden_def (glob64) -void -globfree64 (glob64_t *pglob) -{ -} -libc_hidden_def (globfree64) - stub_warning (glob64) Index: glibc-2.22/posix/glob_internal.h =================================================================== --- /dev/null +++ glibc-2.22/posix/glob_internal.h @@ -0,0 +1,57 @@ +/* Shared definition for glob and glob_pattern_p. + Copyright (C) 2017 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/>. */ + +#ifndef GLOB_INTERNAL_H +# define GLOB_INTERNAL_H + +static inline int +__glob_pattern_type (const char *pattern, int quote) +{ + const char *p; + int ret = 0; + + for (p = pattern; *p != '\0'; ++p) + switch (*p) + { + case '?': + case '*': + return 1; + + case '\\': + if (quote) + { + if (p[1] != '\0') + ++p; + ret |= 2; + } + break; + + case '[': + ret |= 4; + break; + + case ']': + if (ret & 4) + return 1; + break; + } + + return ret; +} + +#endif /* GLOB_INTERNAL_H */ Index: glibc-2.22/posix/glob_pattern_p.c =================================================================== --- /dev/null +++ glibc-2.22/posix/glob_pattern_p.c @@ -0,0 +1,33 @@ +/* Return nonzero if PATTERN contains any metacharacters. + Copyright (C) 2017 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/>. */ + +#ifndef _LIBC +# include <config.h> +#endif + +#include <glob.h> +#include "glob_internal.h" + +/* Return nonzero if PATTERN contains any metacharacters. + Metacharacters can be quoted with backslashes if QUOTE is nonzero. */ +int +__glob_pattern_p (const char *pattern, int quote) +{ + return __glob_pattern_type (pattern, quote) == 1; +} +weak_alias (__glob_pattern_p, glob_pattern_p) Index: glibc-2.22/posix/globfree.c =================================================================== --- /dev/null +++ glibc-2.22/posix/globfree.c @@ -0,0 +1,41 @@ +/* Frees the dynamically allocated storage from an earlier call to glob. + Copyright (C) 2017 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/>. */ + +#ifndef _LIBC +# include <config.h> +#endif + +#include <glob.h> +#include <stdlib.h> + +/* Free storage allocated in PGLOB by a previous `glob' call. */ +void +globfree (glob_t *pglob) +{ + if (pglob->gl_pathv != NULL) + { + size_t i; + for (i = 0; i < pglob->gl_pathc; ++i) + free (pglob->gl_pathv[pglob->gl_offs + i]); + free (pglob->gl_pathv); + pglob->gl_pathv = NULL; + } +} +#ifndef globfree +libc_hidden_def (globfree) +#endif Index: glibc-2.22/posix/globfree64.c =================================================================== --- /dev/null +++ glibc-2.22/posix/globfree64.c @@ -0,0 +1,31 @@ +/* Frees the dynamically allocated storage from an earlier call to glob. + Copyright (C) 2017 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/>. */ + +#ifndef _LIBC +# include <config.h> +#endif + +#include <glob.h> +#include <stdlib.h> + +/* Free storage allocated in PGLOB by a previous `glob' call. */ +void +globfree64 (glob64_t *pglob) +{ +} +libc_hidden_def (globfree64) Index: glibc-2.22/posix/tst-glob-tilde.c =================================================================== --- /dev/null +++ glibc-2.22/posix/tst-glob-tilde.c @@ -0,0 +1,136 @@ +/* Check for GLOB_TIDLE heap allocation issues (bug 22320, bug 22325). + Copyright (C) 2017 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 <glob.h> +#include <mcheck.h> +#include <nss.h> +#include <pwd.h> +#include <stdlib.h> +#include <string.h> +#include <support/check.h> +#include <support/support.h> + +/* Flag which indicates whether to pass the GLOB_ONLYDIR flag. */ +static int do_onlydir; + +/* Flag which indicates whether to pass the GLOB_NOCHECK flag. */ +static int do_nocheck; + +/* Flag which indicates whether to pass the GLOB_MARK flag. */ +static int do_mark; + +static void +one_test (const char *prefix, const char *middle, const char *suffix) +{ + char *pattern = xasprintf ("%s%s%s", prefix, middle, suffix); + int flags = GLOB_TILDE; + if (do_onlydir) + flags |= GLOB_ONLYDIR; + if (do_nocheck) + flags |= GLOB_NOCHECK; + if (do_mark) + flags |= GLOB_MARK; + glob_t gl; + /* This glob call might result in crashes or memory leaks. */ + if (glob (pattern, flags, NULL, &gl) == 0) + globfree (&gl); + free (pattern); +} + +enum + { + /* The largest base being tested. */ + largest_base_size = 500000, + + /* The actual size is the base size plus a variable whose absolute + value is not greater than this. This helps malloc to trigger + overflows. */ + max_size_skew = 16, + + /* The maximum string length supported by repeating_string + below. */ + repeat_size = largest_base_size + max_size_skew, + }; + +/* Used to construct strings which repeat a single character 'x'. */ +static char *repeat; + +/* Return a string of SIZE characters. */ +const char * +repeating_string (int size) +{ + TEST_VERIFY (size >= 0); + TEST_VERIFY (size <= repeat_size); + const char *repeated_shifted = repeat + repeat_size - size; + TEST_VERIFY (strlen (repeated_shifted) == size); + return repeated_shifted; +} + +static int +do_test (void) +{ + /* Avoid network-based NSS modules and initialize nss_files with a + dummy lookup. This has to come before mtrace because NSS does + not free all memory. */ + __nss_configure_lookup ("passwd", "files"); + (void) getpwnam ("root"); + + mtrace (); + + repeat = xmalloc (repeat_size + 1); + memset (repeat, 'x', repeat_size); + repeat[repeat_size] = '\0'; + + /* These numbers control the size of the user name. The values + cover the minimum (0), a typical size (8), a large + stack-allocated size (100000), and a somewhat large + heap-allocated size (largest_base_size). */ + static const int base_sizes[] = { 0, 8, 100, 100000, largest_base_size, -1 }; + + for (do_onlydir = 0; do_onlydir < 2; ++do_onlydir) + for (do_nocheck = 0; do_nocheck < 2; ++do_nocheck) + for (do_mark = 0; do_mark < 2; ++do_mark) + for (int base_idx = 0; base_sizes[base_idx] >= 0; ++base_idx) + { + for (int size_skew = -max_size_skew; size_skew <= max_size_skew; + ++size_skew) + { + int size = base_sizes[base_idx] + size_skew; + if (size < 0) + continue; + + const char *user_name = repeating_string (size); + one_test ("~", user_name, "/a/b"); + } + + const char *user_name = repeating_string (base_sizes[base_idx]); + one_test ("~", user_name, ""); + one_test ("~", user_name, "/"); + one_test ("~", user_name, "/a"); + one_test ("~", user_name, "/*/*"); + one_test ("~", user_name, "\\/"); + one_test ("/~", user_name, ""); + one_test ("*/~", user_name, "/a/b"); + } + + free (repeat); + + return 0; +} + +#include <support/test-driver.c> Index: glibc-2.22/sysdeps/gnu/glob64.c =================================================================== --- glibc-2.22.orig/sysdeps/gnu/glob64.c +++ glibc-2.22/sysdeps/gnu/glob64.c @@ -15,11 +15,8 @@ #undef __stat #define __stat(file, buf) __xstat64 (_STAT_VER, file, buf) -#define NO_GLOB_PATTERN_P 1 - #define COMPILE_GLOB64 1 #include <posix/glob.c> libc_hidden_def (glob64) -libc_hidden_def (globfree64) Index: glibc-2.22/sysdeps/gnu/globfree64.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/gnu/globfree64.c @@ -0,0 +1,10 @@ +#include <dirent.h> +#include <glob.h> +#include <sys/stat.h> + +#define glob_t glob64_t +#define globfree(pglob) globfree64 (pglob) + +#include <posix/globfree.c> + +libc_hidden_def (globfree64) Index: glibc-2.22/sysdeps/unix/sysv/linux/Makefile =================================================================== --- glibc-2.22.orig/sysdeps/unix/sysv/linux/Makefile +++ glibc-2.22/sysdeps/unix/sysv/linux/Makefile @@ -137,7 +137,7 @@ endif ifeq ($(subdir),posix) sysdep_headers += bits/initspin.h -sysdep_routines += sched_getcpu +sysdep_routines += sched_getcpu oldglob tests += tst-getcpu Index: glibc-2.22/sysdeps/unix/sysv/linux/alpha/glob.c =================================================================== --- glibc-2.22.orig/sysdeps/unix/sysv/linux/alpha/glob.c +++ glibc-2.22/sysdeps/unix/sysv/linux/alpha/glob.c @@ -42,10 +42,6 @@ extern void __new_globfree (glob_t *__pg #undef globfree64 versioned_symbol (libc, __new_glob, glob, GLIBC_2_1); -versioned_symbol (libc, __new_globfree, globfree, GLIBC_2_1); libc_hidden_ver (__new_glob, glob) -libc_hidden_ver (__new_globfree, globfree) weak_alias (__new_glob, glob64) -weak_alias (__new_globfree, globfree64) -libc_hidden_ver (__new_globfree, globfree64) Index: glibc-2.22/sysdeps/unix/sysv/linux/alpha/globfree.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/unix/sysv/linux/alpha/globfree.c @@ -0,0 +1,37 @@ +/* Compat globfree. Linux/alpha version. + Copyright (C) 2017 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/>. */ + +#define globfree64 __no_globfree64_decl +#include <sys/types.h> +#include <glob.h> +#include <shlib-compat.h> + +#define globfree(pglob) \ + __new_globfree (pglob) + +extern void __new_globfree (glob_t *__pglob); + +#include <posix/globfree.c> + +#undef globfree64 + +versioned_symbol (libc, __new_globfree, globfree, GLIBC_2_1); +libc_hidden_ver (__new_globfree, globfree) + +weak_alias (__new_globfree, globfree64) +libc_hidden_ver (__new_globfree, globfree64) Index: glibc-2.22/sysdeps/unix/sysv/linux/i386/glob64.c =================================================================== --- glibc-2.22.orig/sysdeps/unix/sysv/linux/i386/glob64.c +++ glibc-2.22/sysdeps/unix/sysv/linux/i386/glob64.c @@ -19,6 +19,7 @@ #include <dirent.h> #include <glob.h> #include <sys/stat.h> +#include <shlib-compat.h> #define dirent dirent64 #define __readdir(dirp) __readdir64 (dirp) @@ -33,44 +34,9 @@ #undef __stat #define __stat(file, buf) __xstat64 (_STAT_VER, file, buf) -#define NO_GLOB_PATTERN_P 1 - #define COMPILE_GLOB64 1 #include <posix/glob.c> -#include "shlib-compat.h" - -libc_hidden_def (globfree64) - versioned_symbol (libc, __glob64, glob64, GLIBC_2_2); libc_hidden_ver (__glob64, glob64) - -#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) - -#include <sysdeps/unix/sysv/linux/i386/olddirent.h> - -int __old_glob64 (const char *__pattern, int __flags, - int (*__errfunc) (const char *, int), - glob64_t *__pglob); - -#undef dirent -#define dirent __old_dirent64 -#undef GL_READDIR -# define GL_READDIR(pglob, stream) \ - ((struct __old_dirent64 *) (pglob)->gl_readdir (stream)) -#undef __readdir -#define __readdir(dirp) __old_readdir64 (dirp) -#undef glob -#define glob(pattern, flags, errfunc, pglob) \ - __old_glob64 (pattern, flags, errfunc, pglob) -#define convert_dirent __old_convert_dirent -#define glob_in_dir __old_glob_in_dir -#define GLOB_ATTRIBUTE attribute_compat_text_section - -#define GLOB_ONLY_P 1 - -#include <posix/glob.c> - -compat_symbol (libc, __old_glob64, glob64, GLIBC_2_1); -#endif Index: glibc-2.22/sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/unix/sysv/linux/mips/mips64/n64/globfree64.c @@ -0,0 +1 @@ +/* glob64 is in globfree64.c */ Index: glibc-2.22/sysdeps/unix/sysv/linux/oldglob.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/unix/sysv/linux/oldglob.c @@ -0,0 +1,42 @@ +#include <shlib-compat.h> + +#if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) + +#include <dirent.h> +#include <glob.h> +#include <sys/stat.h> + +#include <sysdeps/unix/sysv/linux/i386/olddirent.h> + +int __old_glob64 (const char *__pattern, int __flags, + int (*__errfunc) (const char *, int), + glob64_t *__pglob); +libc_hidden_proto (__old_glob64); + +#define dirent __old_dirent64 +#define GL_READDIR(pglob, stream) \ + ((struct __old_dirent64 *) (pglob)->gl_readdir (stream)) +#undef __readdir +#define __readdir(dirp) __old_readdir64 (dirp) + +#define glob_t glob64_t +#define glob(pattern, flags, errfunc, pglob) \ + __old_glob64 (pattern, flags, errfunc, pglob) +#define globfree(pglob) globfree64(pglob) + +#define convert_dirent __old_convert_dirent +#define glob_in_dir __old_glob_in_dir + +#undef stat +#define stat stat64 +#undef __stat +#define __stat(file, buf) __xstat64 (_STAT_VER, file, buf) + +#define GLOB_ATTRIBUTE attribute_compat_text_section + +#include <posix/glob.c> + +libc_hidden_def (__old_glob64); + +compat_symbol (libc, __old_glob64, glob64, GLIBC_2_1); +#endif Index: glibc-2.22/sysdeps/unix/sysv/linux/s390/s390-32/oldglob.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/unix/sysv/linux/s390/s390-32/oldglob.c @@ -0,0 +1 @@ +/* no old glob */ Index: glibc-2.22/sysdeps/unix/sysv/linux/wordsize-64/globfree64.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/unix/sysv/linux/wordsize-64/globfree64.c @@ -0,0 +1,2 @@ +/* This file is here so sysdeps/gnu/glob64.c doesn't take precedence. */ +#include <sysdeps/wordsize-64/globfree64.c> Index: glibc-2.22/sysdeps/unix/sysv/linux/x86_64/x32/globfree.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/unix/sysv/linux/x86_64/x32/globfree.c @@ -0,0 +1 @@ +#include <sysdeps/wordsize-64/globfree.c> Index: glibc-2.22/sysdeps/wordsize-64/glob.c =================================================================== --- glibc-2.22.orig/sysdeps/wordsize-64/glob.c +++ glibc-2.22/sysdeps/wordsize-64/glob.c @@ -4,5 +4,3 @@ #undef glob64 #undef globfree64 weak_alias (glob, glob64) -weak_alias (globfree, globfree64) -libc_hidden_ver (globfree, globfree64) Index: glibc-2.22/sysdeps/wordsize-64/globfree.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/wordsize-64/globfree.c @@ -0,0 +1,5 @@ +#define globfree64 __no_globfree64_decl +#include <posix/globfree.c> +#undef globfree64 +weak_alias (globfree, globfree64) +libc_hidden_ver (globfree, globfree64) Index: glibc-2.22/sysdeps/wordsize-64/globfree64.c =================================================================== --- /dev/null +++ glibc-2.22/sysdeps/wordsize-64/globfree64.c @@ -0,0 +1 @@ +/* globfree64 is in globfree.c */
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