diff options
51 files changed, 544 insertions, 74 deletions
@@ -1,3 +1,88 @@ +1998-07-08 22:18 Ulrich Drepper <drepper@cygnus.com> + + * elf/Versions: Add _dl_mcount_wrapper_check. + * elf/dlfcn.h (DL_CALL_FCT): Don't test _dl_profile_map, simply use + _dl_mcount_wrapper_check. + * iconv/skeleton.c: Use DL_CALL_FCT, not _CALL_DL_FCT. + + * elf/dl-reloc.c (_dl_relocate_object): Don't declare using + internal_function. + * elf/ldsodefs.h: Likewise. + + * io/fcntl.h: Define SEEK_SET, SEEK_CUR, and SEEK_END. + + * libio/stdio.h: Make sure va_list is defined for X/Open. + Define P_tmpdir for X/Open. + + * posix/regex.h: Fix typo. + + * posix/unistd.h: Define intptr_t if not already happened. + Add pthread_atfork prototype. + * sysdeps/generic/bits/types.h: Define __intptr_t. + * sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise. + * sysdeps/unix/sysv/linux/bits/types.h: Likewise. + * sysdeps/unix/sysv/linux/bits/mips/types.h: Likewise. + * sysdeps/unix/sysv/linux/bits/sparc/sparc64/types.h: Likewise. + * sysdeps/unix/sysv/sysv4/solaris2/bits/types.h: Likewise. + * sysdeps/wordsize-32/stdint.h: Don't define intptr_t if already done. + * sysdeps/wordsize-64/stdint.h: Likewise. + + * posix/bits/posix1_lim.h: Define _POSIX_CLOCKRES_MIN. + + * signal/Makefile (headers): Add bits/sigthread.h. + * signal/signal.h: Include bits/sigthread.h. + * sysdeps/generic/bits/sigthread.h: New file. + + * stdlib/stdlib.h: Declare rand_r use __USE_POSIX. + + * sysdeps/generic/bits/confname.h: Define _PC_FILESIZEBITS. + * sysdeps/posix/pathconf.c: Handle _PC_FILESIZEBITS. + * sysdeps/unix/sysv/linux/alpha/fpathconf.c: New file. + * sysdeps/unix/sysv/linux/alpha/pathconf.c: New file. + + * sysdeps/generic/bits/dlfcn.h: Define RTLD_LOCAL. + + * elf/rtld.c: Remove preloading and loadpath variables in SUID + programs. + * sysdeps/generic/dl-sysdep.c: Define unsetenv. + * sysdeps/unix/sysv/linux/i386/dl-librecon.h: Define other envvar + names. + + * sysdeps/unix/sysv/linux/bits/errno.h: Define ECANCELED. + + * sysdeps/unix/sysv/linux/bits/fcntl.h: Define O_RSYNC and O_DSYNC. + Remove O_READ and O_WRITE definition. + + * sysdeps/unix/sysv/linux/bits/resource.h: Define RLIM_SAVED_MAX + and RLIM_SAVED_CUR. + + * sysdeps/unix/sysv/linux/fstatvfs.h: Handle UFS filesystem. + +1998-07-06 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * Makerules ($(common-objpfx)sysd-versions): Expect awk script in + scripts directory. Pass move-if-change to awk. + (common-generated): Add $(version-maps) and sysd-versions. + * versions.awk: Moved to... + * scripts/versions.awk: ... here. Use move-if-change to void + touching unchanged files. Print "version-maps = ..." instead of + "all-version-maps = ..." and without $(common-objpfx). Explain + expected variable names. + * Makefile (distribute): Updated. + +1998-07-06 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * misc/getttyent.c (getttyent): Don't return with locked stream. + * misc/mntent_r.c (__getmntent_r): Likewise. + +1998-07-07 18:24 Ulrich Drepper <drepper@cygnus.com> + + * libio/fileops.c (_IO_do_write): Don't shrink wwrite buffer to zero + if stream is line buffered. + (_io_file_overflow): Likewise. + * libio/libio.h (_IO_putc_unlocked): Make sure that for line-buffered + streams writing '\n' flushes the string. + 1998-07-07 17:28 Ulrich Drepper <drepper@cygnus.com> * elf/dl-profstub.c (_dl_profile_map): Only declare variable here. @@ -246,11 +246,11 @@ distribute := README README.libm INSTALL FAQ FAQ.in NOTES NEWS BUGS \ Makefile.in sysdep.h set-hooks.h libc-symbols.h \ version.h shlib-versions rpm/Makefile rpm/template \ rpm/rpmrc glibcbug.in abi-tags stub-tag.h \ - test-skeleton.c include/des.h Versions.def versions.awk \ + test-skeleton.c include/des.h Versions.def \ $(addprefix scripts/, \ rellns-sh config.sub config.guess \ mkinstalldirs move-if-change install-sh \ - test-installation.pl gen-FAQ.pl) + test-installation.pl gen-FAQ.pl versions.awk) distribute := $(strip $(distribute)) generated := $(generated) stubs.h @@ -279,13 +279,18 @@ endif # Generate version maps. ifeq ($(versioning),yes) -include $(common-objpfx)sysd-versions -$(common-objpfx)sysd-versions: $(..)Versions.def $(..)versions.awk \ +$(addprefix $(common-objpfx),$(version-maps)): $(common-objpfx)sysd-versions +generated += $(versin-maps) + +ifndef avoid-generated +$(common-objpfx)sysd-versions: $(..)Versions.def $(..)scripts/versions.awk \ $(wildcard $(all-subdirs:%=$(..)%/Versions)) \ $(wildcard $(+sysdep_dirs:%=%/Versions)) $(AWK) -v buildroot=$(common-objpfx) -v defsfile=$< \ + -v move_if_change='$(move-if-change)' \ -f $(filter-out $<,$^) > $@T mv -f $@T $@ -$(all-version-maps): $(common-objpfx)sysd-versions +endif endif ifndef compile-command.S diff --git a/bits/confname.h b/bits/confname.h index 8aac5cb67d..229088d67d 100644 --- a/bits/confname.h +++ b/bits/confname.h @@ -1,5 +1,5 @@ /* `sysconf', `pathconf', and `confstr' NAME values. Generic version. - Copyright (C) 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1993, 1995, 1996, 1997, 1998 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 @@ -48,8 +48,10 @@ enum #define _PC_ASYNC_IO _PC_ASYNC_IO _PC_PRIO_IO, #define _PC_PRIO_IO _PC_PRIO_IO - _PC_SOCK_MAXBUF + _PC_SOCK_MAXBUF, #define _PC_SOCK_MAXBUF _PC_SOCK_MAXBUF + _PC_FILESIZEBITS +#define _PC_FILESIZEBITS _PC_FILESIZEBITS }; /* Values for the argument to `sysconf'. */ diff --git a/bits/dlfcn.h b/bits/dlfcn.h index 7c33694018..c2b1c9a7a1 100644 --- a/bits/dlfcn.h +++ b/bits/dlfcn.h @@ -1,5 +1,5 @@ /* System dependand definitions for run-time dynamic loading. - Copyright (C) 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998 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 @@ -30,3 +30,8 @@ the symbols of the loaded object and its dependencies are made visible as if the object were linked directly into the program. */ #define RTLD_GLOBAL 0x100 + +/* Unix98 demands the following flag which is the inverse to RTLD_GLOBAL. + The implementation does this by default and so we can define the + value to zero. */ +#define RTLD_LOCAL 0 diff --git a/bits/sigthread.h b/bits/sigthread.h new file mode 100644 index 0000000000..de6f2dc73e --- /dev/null +++ b/bits/sigthread.h @@ -0,0 +1,24 @@ +/* Signal handling function for threaded programs. + Copyright (C) 1998 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SIGNAL_H +# error "Never include this file directly. Use <signal.h> instead" +#endif + +/* There are none available in this configuration. */ diff --git a/bits/types.h b/bits/types.h index b985a3a49f..c6b7b8884e 100644 --- a/bits/types.h +++ b/bits/types.h @@ -115,4 +115,7 @@ typedef __u_quad_t __fsfilcnt64_t; typedef int __t_scalar_t; typedef unsigned int __t_uscalar_t; +/* This definition makes this file kind of architecture dependent. */ +typedef long int __intptr_t; + #endif /* bits/types.h */ diff --git a/elf/Versions b/elf/Versions index d908c59fd4..1b02cd328c 100644 --- a/elf/Versions +++ b/elf/Versions @@ -21,7 +21,7 @@ libc { _dl_profile; _dl_profile_map; _dl_profile_output; _dl_start_profile; # functions used in other libraries - _dl_mcount; _dl_mcount_wrapper; + _dl_mcount; _dl_mcount_wrapper; _dl_mcount_wrapper_check; } } diff --git a/elf/dl-reloc.c b/elf/dl-reloc.c index e0eae3c2ae..1c0cbb67c4 100644 --- a/elf/dl-reloc.c +++ b/elf/dl-reloc.c @@ -27,7 +27,6 @@ void -internal_function _dl_relocate_object (struct link_map *l, struct link_map *scope[], int lazy, int consider_profiling) { diff --git a/elf/dlfcn.h b/elf/dlfcn.h index e0b17d392a..2f890bfe24 100644 --- a/elf/dlfcn.h +++ b/elf/dlfcn.h @@ -82,13 +82,9 @@ extern int dladdr __P ((const void *__address, Dl_info *__info)); foo = DL_CALL_FCT (fctp, (arg1, arg2)); */ # if __GNUC__ >= 2 -/* Do not ever use this variable directly, it is internal! */ -extern struct link_map *_dl_profile_map; - # define DL_CALL_FCT(fctp, args) \ - (__extension__ ({ if (_dl_profile_map != NULL) \ - _dl_mcount_wrapper_check (fctp); \ - (*fctp) args; }) + (__extension__ ({ _dl_mcount_wrapper_check (fctp); \ + (*fctp) args; })) # else /* This feature is not available without GCC. */ # define DL_CALL_FCT(fctp, args) (*fctp) args diff --git a/elf/ldsodefs.h b/elf/ldsodefs.h index 6814f25556..847d5cec12 100644 --- a/elf/ldsodefs.h +++ b/elf/ldsodefs.h @@ -365,8 +365,7 @@ extern struct link_map *_dl_new_object (char *realname, const char *libname, If LAZY is nonzero, don't relocate its PLT. */ extern void _dl_relocate_object (struct link_map *map, struct link_map *scope[], - int lazy, int consider_profiling) - internal_function; + int lazy, int consider_profiling); /* Check the version dependencies of all objects available through MAP. If VERBOSE print some more diagnostics. */ diff --git a/elf/rtld.c b/elf/rtld.c index df5db230f4..f1b612166d 100644 --- a/elf/rtld.c +++ b/elf/rtld.c @@ -1193,6 +1193,29 @@ process_envvars (enum mode *modep, int *lazyp) } } + /* Extra security for SUID binaries. |