diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2007-01-11 21:51:07 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-01-11 21:51:07 +0000 |
| commit | 11bf311edc76f5ddc469a8c396e313e82d76be15 (patch) | |
| tree | c359296689b762f1a7bb212a624ab6aec1faff94 /nscd | |
| parent | 32c075e1f01849e161724bbd400ba77244e482cc (diff) | |
| download | glibc-11bf311edc76f5ddc469a8c396e313e82d76be15.tar.gz glibc-11bf311edc76f5ddc469a8c396e313e82d76be15.tar.xz glibc-11bf311edc76f5ddc469a8c396e313e82d76be15.zip | |
[BZ #2510, BZ #2830, BZ #3137, BZ #3313, BZ #3426, BZ #3465, BZ #3480, BZ #3483, BZ #3493, BZ #3514, BZ #3515, BZ #3664, BZ #3673, BZ #3674]
2007-01-11 Jakub Jelinek <jakub@redhat.com>
* sysdeps/i386/soft-fp/sfp-machine.h: Remove.
* sysdeps/x86_64/soft-fp/sfp-machine.h: Likewise.
2007-01-10 Ulrich Drepper <drepper@redhat.com>
* io/fts.c: Make sure fts_cur is always valid after return from
fts_read.
Patch by Miloslav Trmac <mitr@redhat.com>.
2006-10-27 Richard Sandiford <richard@codesourcery.com>
* elf/elf.h (R_MIPS_GLOB_DAT): Define.
(R_MIPS_NUM): Bump by 1.
2007-01-03 Jakub Jelinek <jakub@redhat.com>
* posix/execvp.c: Include alloca.h.
(allocate_scripts_argv): Renamed to...
(scripts_argv): ... this. Don't allocate buffer here nor count
arguments.
(execvp): Use alloca if possible.
* posix/Makefile: Add rules to build and run tst-vfork3 test.
* posix/tst-vfork3.c: New test.
* stdlib/Makefile (tst-strtod3-ENV): Define.
2007-01-02 Ulrich Drepper <drepper@redhat.com>
* posix/getconf.c: Update copyright year.
* nss/getent.c: Likewise.
* iconv/iconvconfig.c: Likewise.
* iconv/iconv_prog.c: Likewise.
* elf/ldconfig.c: Likewise.
* catgets/gencat.c: Likewise.
* csu/version.c: Likewise.
* elf/ldd.bash.in: Likewise.
* elf/sprof.c (print_version): Likewise.
* locale/programs/locale.c: Likewise.
* locale/programs/localedef.c: Likewise.
* nscd/nscd.c (print_version): Likewise.
* debug/xtrace.sh: Likewise.
* malloc/memusage.sh: Likewise.
* malloc/mtrace.pl: Likewise.
* debug/catchsegv.sh: Likewise.
2006-12-24 Ulrich Drepper <drepper@redhat.com>
* malloc/malloc.c (sYSMALLOc): Remove some unnecessary alignment
attempts.
2006-12-23 Ulrich Drepper <drepper@redhat.com>
* posix/wordexp.c: Remove some unnecessary tests.
2006-12-20 SUGIOKA Toshinobu <sugioka@itonet.co.jp>
* sysdeps/unix/sysv/linux/sh/bits/shm.h: New file.
* nss/getXXbyYY_r.c: Include atomic.h.
(INTERNAL (REENTRANT_NAME)): Write startp after start_fct,
add atomic_write_barrier () in between.
2006-11-28 Jakub Jelinek <jakub@redhat.com>
* elf/dl-support.c: Include dl-procinfo.h.
* sysdeps/powerpc/dl-procinfo.h (PPC_PLATFORM_POWER4,
PPC_PLATFORM_PPC970, PPC_PLATFORM_POWER5, PPC_PLATFORM_POWER5_PLUS,
PPC_PLATFORM_POWER6, PPC_PLATFORM_CELL_BE, PPC_PLATFORM_POWER6X):
Define.
(_dl_string_platform): Use PPC_PLATFORM_* macros instead of
hardcoded constants.
* sysdeps/powerpc/dl-procinfo.c (_dl_powerpc_platform): Use
PPC_PLATFORM_* macros for array designators.
2006-11-11 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/dl-procinfo.c (_dl_powerpc_cap_flags): Add 3 new cap
names to the beginning.
(_dl_powerpc_platforms): Add "power6x".
* sysdeps/powerpc/dl-procinfo.h (_DL_HWCAP_FIRST): Decrease.
(HWCAP_IMPORTANT): Add PPC_FEATURE_HAS_DFP.
(_DL_PLATFORMS_COUNT): Increase.
(_dl_string_platform): Handle power6x case.
* sysdeps/powerpc/sysdep.h (PPC_FEATURE_PA6T, PPC_FEATURE_HAS_DFP,
PPC_FEATURE_POWER6_EXT): Define.
(PPC_FEATURE_POWER5, PPC_FEATURE_POWER5_PLUS): Correct Comment.
[-2^31 .. 2^31) range.
* sysdeps/unix/sysv/linux/bits/statvfs.h: Define ST_RELATIME.
* sysdeps/unix/sysv/linux/internal_statvfs.c (__statvfs_getflags):
Handle relatime mount option.
2006-12-13 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/powerpc/powerpc32/setcontext.S: Include
kernel-features.h.
2006-12-11 Ulrich Drepper <drepper@redhat.com>
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Parse thousand
separators also if no non-zero digits found.
* stdlib/Makefile (tests): Add tst-strtod3.
[BZ #3664]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Fix test to recognize
empty parsed strings.
* stdlib/Makefile (tests): Add tst-strtod2.
* stdlib/tst-strtod2.c: New file.
[BZ #3673]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Fix exp_limit
computation.
* stdlib/Makefile (tests): Add tst-atof2.
* stdlib/tst-atof2.c: New file.
[BZ #3674]
* stdlib/strtod_l.c (____STRTOF_INTERNAL): Adjust exponent value
correctly if removing trailing zero of hex-float.
* stdlib/Makefile (tests): Add tst-atof1.
* stdlib/tst-atof1.c: New file.
* misc/mntent_r.c (__hasmntopt): Check p[optlen] even when p == rest.
Start searching for next comma at p rather than rest.
* misc/Makefile (tests): Add tst-mntent2.
* misc/tst-mntent2.c: New test.
2006-12-08 Ulrich Drepper <drepper@redhat.com>
* malloc/memusage.c: Handle realloc with new size of zero and
non-NULL pointer correctly.
(me): Really write first record twice.
(struct entry): Make format bi-arch safe.
(dest): Write out more realloc statistics.
* malloc/memusagestat.c (struct entry): Make format bi-arch safe.
2006-12-05 Jakub Jelinek <jakub@redhat.com>
* nis/nis_subr.c (nis_getnames): Revert last change.
2006-12-03 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* sysdeps/unix/sysv/linux/sh/sys/io.h: Removed.
2006-11-30 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/i386/i686/memcmp.S: Use jump table as the base of
jump table entries.
2006-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/unix/sysv/linux/i386/clone.S: Provide CFI for the outermost
`clone' function to ensure proper unwinding stop of gdb.
* sysdeps/unix/sysv/linux/x86_64/clone.S: Likewise.
2006-12-01 Ulrich Drepper <drepper@redhat.com>
* nscd/nscd.init: Remove obsolete and commented-out -S option
handling.
2006-11-23 Jakub Jelinek <jakub@redhat.com>
[BZ #3514]
* manual/string.texi (strncmp): Fix pastos from wcscmp description.
[BZ #3515]
* manual/string.texi (strtok): Remove duplicate paragraph.
2006-12-01 Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Fix compatibility with
libgcc not supporting `rflags' unwinding (register # >= 17).
2006-11-30 Jakub Jelinek <jakub@redhat.com>
* sunrpc/svc_run.c (svc_run): Set my_pollfd to new_pollfd if realloc
succeeded.
2006-11-29 Daniel Jacobowitz <dan@codesourcery.com>
Jakub Jelinek <jakub@redhat.com>
Jan Kratochvil <jan.kratochvil@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/sigaction.c (restore_rt): Add correct
unwind information.
* sysdeps/unix/sysv/linux/x86_64/Makefile: Provide symbols for
'restore_rt' even in the 'signal' directory.
* sysdeps/unix/sysv/linux/x86_64/ucontext_i.sym: Extend the regs list.
malloc crashed. Don't allocate memory unnecessarily in each
loop.
2006-10-21 Jakub Jelinek <jakub@redhat.com>
* resolv/mapv4v6addr.h (map_v4v6_address): Fix last change.
2006-11-20 Ulrich Drepper <drepper@redhat.com>
* resolv/mapv4v6addr.h (map_v4v6_address): Optimize a bit.
2006-11-18 Bruno Haible <bruno@clisp.org>
* sysdeps/unix/sysv/linux/i386/getgroups.c (__getgroups): Invoke
__sysconf only after having tried to call getgroups32.
2006-11-19 Ulrich Drepper <drepper@redhat.com>
* nss/nss_files/files-hosts.c (LINE_PARSER): Support IPv6-style
addresses for IPv4 queries if they can be mapped.
2006-11-16 Jakub Jelinek <jakub@redhat.com>
* sysdeps/x86_64/fpu/s_copysignf.S (__copysignf): Switch to .text.
* sysdeps/x86_64/fpu/s_copysign.S (__copysign): Likewise.
(signmask): Add .size directive.
(othermask): Add .type directive.
2006-11-14 Ulrich Drepper <drepper@redhat.com>
* po/nl.po: Update from translation team.
* timezone/zdump.c: Redo fix for BZ #3137.
2006-11-14 Jakub Jelinek <jakub@redhat.com>
* nss/nss_files/files-alias.c (get_next_alias): Set line back
to first_unused after parsing :include: file.
* timezone/africa: Update from tzdata2006o.
* timezone/antarctica: Likewise.
* timezone/asia: Likewise.
* timezone/australasia: Likewise.
* timezone/backward: Likewise.
* timezone/europe: Likewise.
* timezone/iso3166.tab: Likewise.
* timezone/northamerica: Likewise.
* timezone/southamerica: Likewise.
* timezone/zone.tab: Likewise.
* time/tzfile.c (__tzfile_read): Extend to handle new file format
on machines with 64-bit time_t.
* timezone/checktab.awk: Update from tzcode2006o.
* timezone/ialloc.c: Likewise.
* timezone/private.h: Likewise.
* timezone/scheck.c: Likewise.
* timezone/tzfile.h: Likewise.
* timezone/tzselect.ksh: Likewise.
* timezone/zdump.c: Likewise.
* timezone/zic.c: Likewise.
[BZ #3483]
* elf/ldconfig.c (main): Call setlocale and textdomain.
Patch mostly by Benno Schulenberg <bensberg@justemail.net>.
[BZ #3480]
* manual/argp.texi: Fix typos.
* manual/charset.texi: Likewise.
* manual/errno.texi: Likewise.
* manual/filesys.texi: Likewise.
* manual/lang.texi: Likewise.
* manual/maint.texi: Likewise.
* manual/memory.texi: Likewise.
* manual/message.texi: Likewise.
* manual/resource.texi: Likewise.
* manual/search.texi: Likewise.
* manual/signal.texi: Likewise.
* manual/startup.texi: Likewise.
* manual/stdio.texi: Likewise.
* manual/sysinfo.texi: Likewise.
* manual/syslog.texi: Likewise.
* manual/time.texi: Likewise.
Patch by Ralf Wildenhues <Ralf.Wildenhues@gmx.de>.
[BZ #3465]
* sunrpc/clnt_raw.c: Minimal message improvements.
* sunrpc/pm_getmaps.c: Likewise.
* nis/nss_nisplus/nisplus-publickey.c: Likewise.
* nis/nis_print_group_entry.c: Likewise.
* locale/programs/repertoire.c: Likewise.
* locale/programs/charmap.c: Likewise.
* malloc/memusage.sh: Likewise.
* elf/dl-deps.c: Likewise.
* locale/programs/ld-collate.c: Likewise.
* libio/vswprintf.c: Likewise.
* malloc/memusagestat.c: Likewise.
* sunrpc/auth_unix.c: Likewise.
* sunrpc/rpc_main.c: Likewise.
* nscd/cache.c: Likewise.
* locale/programs/repertoire.c: Unify output messages.
* locale/programs/charmap.c: Likewise.
* locale/programs/ld-ctype.c: Likewise.
* locale/programs/ld-monetary.c: Likewise.
* locale/programs/ld-numeric.c: Likewise.
* locale/programs/ld-time.c: Likewise.
* elf/ldconfig.c: Likewise.
* nscd/selinux.c: Likewise.
* elf/cache.c: Likewise.
Patch mostly by Benno Schulenberg <bensberg@justemail.net>.
2006-11-10 Jakub Jelinek <jakub@redhat.com>
* string/strxfrm_l.c (STRXFRM): Fix trailing \1 optimization
if N is one bigger than return value.
* string/tst-strxfrm2.c (do_test): Also test strxfrm with l1 + 1
and l1 last arguments, if buf is defined, verify the return value
equals to strlen (buf) and verify no byte beyond passed length
is modified.
2006-11-10 Ulrich Drepper <drepper@redhat.com>
* po/sv.po: Update from translation team.
* sysdeps/gnu/siglist.c (__old_sys_siglist, __old_sys_sigabbrev):
Use __new_sys_siglist instead of _sys_siglist_internal as
second macro argument.
(_old_sys_siglist): Use declare_symbol_alias macro instead of
strong_alias.
2006-11-09 Ulrich Drepper <drepper@redhat.com>
[BZ #3493]
* posix/unistd.h (sysconf): Remove const attribute.
* sysdeps/posix/getaddrinfo.c (getaddrinfo): Fix test for
temporary or deprecated addresses.
Patch by Sridhar Samudrala <sri@us.ibm.com>.
* string/Makefile (tests): Add tst-strxfrm2.
* string/tst-strxfrm2.c: New file.
2006-10-09 Jakub Jelinek <jakub@redhat.com>
* elf/dl-debug.c (_dl_debug_initialize): Check r->r_map for 0
rather than r->r_brk.
* string/strxfrm_l.c (STRXFRM): Do the trailing \1 removal
optimization even if needed > n.
2006-11-07 Jakub Jelinek <jakub@redhat.com>
* include/libc-symbols.h (declare_symbol): Rename to...
(declare_symbol_alias): ... this. Add ORIGINAL argument, imply
strong_alias (ORIGINAL, SYMBOL) in asm to make sure it preceedes
.size directive.
* sysdeps/gnu/errlist-compat.awk: Adjust for declare_symbol_alias
changes.
* sysdeps/gnu/siglist.c: Likewise.
2006-11-03 Steven Munroe <sjmunroe@us.ibm.com>
* sysdeps/powerpc/fpu/bits/mathinline.h
[__LIBC_INTERNAL_MATH_INLINES]: Moved to ...
* sysdeps/powerpc/fpu/math_private.h: ...here. New file.
2006-11-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/i386/sysconf.c (intel_check_word):
Update handling of cache descriptor 0x49 for new models.
* sysdeps/unix/sysv/linux/x86_64/sysconf.c (intel_check_word):
Likewise.
2006-11-02 Ulrich Drepper <drepper@redhat.com>
* configure.in: Work around ld --help change and avoid -z relro
test completely if the architecture doesn't care about security.
2006-11-01 Ulrich Drepper <drepper@redhat.com>
* po/sv.po: Update from translation team.
2006-10-31 Ulrich Drepper <drepper@redhat.com>
* stdlib/atexit.c (atexit): Don't mark as hidden when used to
generate compatibility version.
2006-10-29 Ulrich Drepper <drepper@redhat.com>
* configure.in: Relax -z relro requirement a bit.
* po/sv.po: Update from translation team.
2006-10-29 Jakub Jelinek <jakub@redhat.com>
* elf/dl-sym.c (do_sym): Use RTLD_SINGLE_THREAD_P.
* elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Likewise.
* elf/dl-close.c (_dl_close_worker): Likewise.
* elf/dl-open.c (_dl_open_worker): Likewise.
* sysdeps/generic/sysdep-cancel.h (RTLD_SINGLE_THREAD_P): Define.
* configure.in: Require assembler support for visibility, compiler
support for visibility and aliases, linker support for various -z
options.
* Makeconfig: Remove conditional code which now is unnecessary.
* config.h.in: Likewise.
* config.make.in: Likewise.
* dlfcn/Makefile: Likewise.
* elf/Makefile: Likewise.
* elf/dl-load.c: Likewise.
* elf/rtld.c: Likewise.
* include/libc-symbols.h: Likewise.
* include/stdio.h: Likewise.
* io/Makefile: Likewise.
* io/fstat.c: Likewise.
* io/fstat64.c: Likewise.
* io/fstatat.c: Likewise.
* io/fstatat64.c: Likewise.
* io/lstat.c: Likewise.
* io/lstat64.c: Likewise.
* io/mknod.c: Likewise.
* io/mknodat.c: Likewise.
* io/stat.c: Likewise.
* io/stat64.c: Likewise.
* libio/stdio.c: Likewise.
* nscd/Makefile: Likewise.
* stdlib/Makefile: Likewise.
* stdlib/atexit.c: Likewise.
* sysdeps/generic/ldsodefs.h: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* sysdeps/i386/sysdep.h: Likewise.
* sysdeps/i386/i686/memcmp.S: Likewise.
* sysdeps/powerpc/powerpc32/sysdep.h: Likewise.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/x86_64/sigaction.c: Likewise.
* Makerules: USE_TLS support is now default.
* tls.make.c: Likewise.
* csu/Versions: Likewise.
* csu/libc-start.c: Likewise.
* csu/libc-tls.c: Likewise.
* csu/version.c: Likewise.
* dlfcn/dlinfo.c: Likewise.
* elf/dl-addr.c: Likewise.
* elf/dl-cache.c: Likewise.
* elf/dl-close.c: Likewise.
* elf/dl-iteratephdr.c: Likewise.
* elf/dl-load.c: Likewise.
* elf/dl-lookup.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/dl-open.c: Likewise.
* elf/dl-reloc.c: Likewise.
* elf/dl-support.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/dl-sysdep.c: Likewise.
* elf/dl-tls.c: Likewise.
* elf/ldconfig.c: Likewise.
* elf/rtld.c: Likewise.
* elf/tst-tls-dlinfo.c: Likewise.
* elf/tst-tls1.c: Likewise.
* elf/tst-tls10.h: Likewise.
* elf/tst-tls14.c: Likewise.
* elf/tst-tls2.c: Likewise.
* elf/tst-tls3.c: Likewise.
* elf/tst-tls4.c: Likewise.
* elf/tst-tls5.c: Likewise.
* elf/tst-tls6.c: Likewise.
* elf/tst-tls7.c: Likewise.
* elf/tst-tls8.c: Likewise.
* elf/tst-tls9.c: Likewise.
* elf/tst-tlsmod1.c: Likewise.
* elf/tst-tlsmod13.c: Likewise.
* elf/tst-tlsmod13a.c: Likewise.
* elf/tst-tlsmod14a.c: Likewise.
* elf/tst-tlsmod2.c: Likewise.
* elf/tst-tlsmod3.c: Likewise.
* elf/tst-tlsmod4.c: Likewise.
* elf/tst-tlsmod5.c: Likewise.
* elf/tst-tlsmod6.c: Likewise.
* include/errno.h: Likewise.
* include/link.h: Likewise.
* include/tls.h: Likewise.
* locale/global-locale.c: Likewise.
* locale/localeinfo.h: Likewise.
* malloc/arena.c: Likewise.
* malloc/hooks.c: Likewise.
* malloc/malloc.c: Likewise.
* resolv/Versions: Likewise.
* sysdeps/alpha/dl-machine.h: Likewise.
* sysdeps/alpha/libc-tls.c: Likewise.
* sysdeps/generic/ldsodefs.h: Likewise.
* sysdeps/generic/tls.h: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* sysdeps/ia64/dl-machine.h: Likewise.
* sysdeps/ia64/libc-tls.c: Likewise.
* sysdeps/mach/hurd/fork.c: Likewise.
* sysdeps/mach/hurd/i386/tls.h: Likewise.
* sysdeps/powerpc/powerpc32/dl-machine.c: Likwise.
* sysdeps/powerpc/powerpc32/dl-machine.h: Likewise.
* sysdeps/powerpc/powerpc64/dl-machine.h: Likewise.
* sysdeps/s390/libc-tls.c: Likewise.
* sysdeps/s390/s390-32/dl-machine.h: Likewise.
* sysdeps/s390/s390-64/dl-machine.h: Likewise.
* sysdeps/sh/dl-machine.h: Likewise.
* sysdeps/sparc/sparc32/dl-machine.h: Likewise.
* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
* sysdeps/x86_64/dl-machine.h: Likewise.
[BZ #3426]
* stdlib/stdlib.h: Adjust comment for canonicalize_file_name to
reality.
2006-10-27 Jakub Jelinek <jakub@redhat.com>
* elf/dl-lookup.c (_dl_debug_bindings): Remove unused symbol_scope
argument.
(_dl_lookup_symbol_x): Adjust caller.
* sysdeps/generic/ldsodefs.h (struct link_namespaces): Remove
_ns_global_scope.
* elf/rtld.c (dl_main): Don't initialize _ns_global_scope.
* elf/dl-libc.c: Revert l_scope name changes.
* elf/dl-load.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/rtld.c: Likewise.
* elf/dl-close.c (_dl_close): Likewise.
* elf/dl-open.c (dl_open_worker): Likewise. If not SINGLE_THREAD_P,
always use __rtld_mrlock_{change,done}. Always free old scope list
here if not l_scope_mem.
* elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Revert l_scope name
change. Never free scope list here. Just __rtld_mrlock_lock before
the lookup and __rtld_mrlock_unlock it after the lookup.
* elf/dl-sym.c: Likewise.
* include/link.h (struct r_scoperec): Remove.
(struct link_map): Replace l_scoperec with l_scope, l_scoperec_mem
with l_scope_mem and l_scoperec_lock with l_scope_lock.
2006-10-25 Ulrich Drepper <drepper@redhat.com>
* sysdeps/gnu/netinet/tcp.h: Define TCP_CONGESTION.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* configure.in: Disable building profile libraries by default.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* elf/dl-lookup.c (_dl_lookup_symbol_x): Add warning to
_dl_lookup_symbol_x code.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
* elf/dl-runtime.c: Include sysdep-cancel.h.
(_dl_fixup, _dl_profile_fixup): Use __rtld_mrlock_* and
scoperec->nusers only if !SINGLE_THREAD_P. Use atomic_*
instead of catomic_* macros.
* elf/dl-sym.c: Include sysdep-cancel.h.
(do_sym): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
* elf/dl-close.c: Include sysdep-cancel.h.
(_dl_close): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
* elf/dl-open.c: Include sysdep-cancel.h.
(dl_open_worker): Use __rtld_mrlock_* and scoperec->nusers only
if !SINGLE_THREAD_P. Use atomic_* instead of catomic_* macros.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
[BZ #3313]
* malloc/malloc.c (malloc_consolidate): Set maxfb to address of last
fastbin rather than end of fastbin array.
2006-10-18 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/i486/bits/atomic.h (catomic_decrement): Use correct
body macro.
* sysdeps/x86_64/bits/atomic.h
(__arch_c_compare_and_exchange_val_64_acq): Add missing casts.
(catomic_decrement): Use correct body macro.
2006-10-17 Jakub Jelinek <jakub@redhat.com>
* include/atomic.h: Add a unique prefix to all local variables
in macros.
* csu/tst-atomic.c (do_test): Test also catomic_* macros.
2006-10-14 Ulrich Drepper <drepper@redhat.com>
* resolv/arpa/nameser.h: Document that ns_t_a6 is deprecated.
[BZ #3313]
* malloc/malloc.c (malloc_consolidate): Don't use get_fast_max to
determine highest fast bin to consolidate, always look into all of
them.
(do_check_malloc_state): Only require for empty bins for large
sizes in main arena.
* libio/stdio.h: Add more __wur attributes.
2006-11-12 Andreas Jaeger <aj@suse.de>
[BZ #2510]
* manual/search.texi (Hash Search Function): Clarify.
(Array Search Function): Clarify.
2006-11-12 Joseph Myers <joseph@codesourcery.com>
[BZ #2830]
* math/atest-exp.c (main): Cast hex value to mp_limb_t before
shifting.
* math/atest-exp2.c (read_mpn_hex): Likewise.
* math/atest-sincos.c (main): Likewise.
* sysdeps/unix/sysv/linux/syscalls.list: Add epoll_pwait.
* sysdeps/unix/sysv/linux/sys/epoll.h: Declare epoll_pwait.
* sysdeps/unix/sysv/linux/Versions (libc): Add epoll_pwait for
version GLIBC_2.6.
* Versions.def: Add GLIBC_2.6 for libc.
* sysdeps/i386/i486/bits/atomic.h: Add catomic_* support.
2006-10-11 Jakub Jelinek <jakub@redhat.com>
* malloc/malloc.c (_int_malloc): Remove unused any_larger variable.
* nis/nis_defaults.c (__nis_default_access): Don't call getenv twice.
* nis/nis_subr.c (nis_getnames): Use __secure_getenv instead of getenv.
* sysdeps/generic/unsecvars.h: Add NIS_PATH.
2006-10-11 Ulrich Drepper <drepper@redhat.com>
* include/atomic.c: Define catomic_* operations.
* sysdeps/x86_64/bits/atomic.h: Likewise. Fix a few minor problems.
* stdlib/cxa_finalize.c: Use catomic_* operations instead of atomic_*.
* malloc/memusage.c: Likewise.
* gmon/mcount.c: Likewise.
* elf/dl-close.c: Likewise.
* elf/dl-open.c: Likewise.
* elf/dl-profile.c: Likewise.
* elf/dl-sym.c: Likewise.
* elf/dl-runtime.c: Likewise.
* elf/dl-fptr.c: Likewise.
* resolv/res_libc.c: Likewise.
2006-10-10 Roland McGrath <roland@frob.com>
* sysdeps/mach/hurd/utimes.c: Use a union to avoid an improper cast.
* sysdeps/mach/hurd/futimes.c: Likewise.
* sysdeps/mach/hurd/lutimes.c: Likewise.
2006-10-09 Ulrich Drepper <drepper@redhat.com>
Jakub Jelinek <jakub@redhat.com>
Implement reference counting of scope records.
* elf/dl-close.c (_dl_close): Remove all scopes from removed objects
from the list in objects which remain. Always allocate new scope
record.
* elf/dl-open.c (dl_open_worker): When growing array for scopes,
don't resize, allocate a new one.
* elf/dl-runtime.c: Update reference counters before using a scope
array.
* elf/dl-sym.c: Likewise.
* elf/dl-libc.c: Adjust for l_scope name change.
* elf/dl-load.c: Likewise.
* elf/dl-object.c: Likewise.
* elf/rtld.c: Likewise.
* include/link.h: Include <rtld-lowlevel.h>. Define struct
r_scoperec. Replace r_scope with pointer to r_scoperec structure.
Add l_scoperec_lock.
* sysdeps/generic/ldsodefs.h: Include <rtld-lowlevel.h>.
* sysdeps/generic/rtld-lowlevel.h: New file.
* include/atomic.h: Rename atomic_and to atomic_and_val and
atomic_or to atomic_or_val. Define new macros atomic_and and
atomic_or which do not return values.
* sysdeps/x86_64/bits/atomic.h: Define atomic_and and atomic_or.
Various cleanups.
* sysdeps/i386/i486/bits/atomic.h: Likewise.
* po/sv.po: Update from translation team.
2006-10-07 Ulrich Drepper <drepper@redhat.com>
* Versions.def: Add GLIBC_2.6 to libpthread.
* include/shlib-compat.h (SHLIB_COMPAT): Expand parameters before use.
(versioned_symbol): Likewise.
(compat_symbol): Likewise.
* po/tr.po: Update from translation team.
* nis/Banner: Removed. It's been integral part forever and the
author info is incomplete anyway.
* libio/Banner: Likewise.
2006-10-06 Ulrich Drepper <drepper@redhat.com>
* version.h (VERSION): Bump to 2.5.90 for new development tree.
Diffstat (limited to 'nscd')
| -rw-r--r-- | nscd/Makefile | 2 | ||||
| -rw-r--r-- | nscd/cache.c | 2 | ||||
| -rw-r--r-- | nscd/gai.c | 5 | ||||
| -rw-r--r-- | nscd/grpcache.c | 3 | ||||
| -rw-r--r-- | nscd/nscd-client.h | 10 | ||||
| -rw-r--r-- | nscd/nscd.c | 4 | ||||
| -rw-r--r-- | nscd/nscd.init | 9 | ||||
| -rw-r--r-- | nscd/nscd_getai.c | 71 | ||||
| -rw-r--r-- | nscd/nscd_getgr_r.c | 108 | ||||
| -rw-r--r-- | nscd/nscd_gethst_r.c | 147 | ||||
| -rw-r--r-- | nscd/nscd_getpw_r.c | 70 | ||||
| -rw-r--r-- | nscd/nscd_helper.c | 43 | ||||
| -rw-r--r-- | nscd/nscd_initgroups.c | 62 | ||||
| -rw-r--r-- | nscd/pwdcache.c | 3 | ||||
| -rw-r--r-- | nscd/selinux.c | 18 | ||||
| -rw-r--r-- | nscd/selinux.h | 4 |
16 files changed, 222 insertions, 339 deletions
diff --git a/nscd/Makefile b/nscd/Makefile index 9c98018217..21657abeb7 100644 --- a/nscd/Makefile +++ b/nscd/Makefile @@ -119,9 +119,7 @@ CFLAGS-initgrcache.c += $(nscd-cflags) CFLAGS-gai.c += $(nscd-cflags) ifeq (yesyes,$(have-fpie)$(build-shared)) -ifeq (yes,$(have-z-relro)) relro-LDFLAGS += -Wl,-z,now -endif $(objpfx)nscd: $(addprefix $(objpfx),$(nscd-modules:=.o)) $(LINK.o) -pie -Wl,-O1 $(nscd-cflags) \ diff --git a/nscd/cache.c b/nscd/cache.c index be9be2aa4f..ef986f374a 100644 --- a/nscd/cache.c +++ b/nscd/cache.c @@ -125,7 +125,7 @@ cache_add (int type, const void *key, size_t len, struct datahead *packet, dbg_log (_("add new entry \"%s\" of type %s for %s to cache%s"), str, serv2str[type], dbnames[table - dbs], - first ? " (first)" : ""); + first ? _(" (first)") : ""); } unsigned long int hash = __nis_hash (key, len) % table->head->module; diff --git a/nscd/gai.c b/nscd/gai.c index 68719d876a..2e706bdfe7 100644 --- a/nscd/gai.c +++ b/nscd/gai.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 2004. @@ -15,7 +15,6 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include <alloca.h> /* This file uses the getaddrinfo code but it compiles it without NSCD support. We just need a few symbol renames. */ #define __getservbyname_r getservbyname_r @@ -27,8 +26,6 @@ #define __sendto sendto #define __strchrnul strchrnul #define __getline getline -/* nscd uses 1MB or 2MB thread stacks. */ -#define __libc_use_alloca(size) (size <= __MAX_ALLOCA_CUTOFF) #include <getaddrinfo.c> diff --git a/nscd/grpcache.c b/nscd/grpcache.c index c207492cc0..5a8fba4759 100644 --- a/nscd/grpcache.c +++ b/nscd/grpcache.c @@ -1,5 +1,5 @@ /* Cache handling for group lookup. - Copyright (C) 1998-2005, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 1998-2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -279,7 +279,6 @@ cache_addgr (struct database_dyn *db, int fd, request_header *req, /* Adjust pointers into the memory block. */ gr_name = (char *) newp + (gr_name - (char *) dataset); cp = (char *) newp + (cp - (char *) dataset); - key_copy = (char *) newp + (key_copy - (char *) dataset); dataset = memcpy (newp, dataset, total + n); alloca_used = false; diff --git a/nscd/nscd-client.h b/nscd/nscd-client.h index 8946b6315b..0fd2d9f547 100644 --- a/nscd/nscd-client.h +++ b/nscd/nscd-client.h @@ -1,4 +1,4 @@ -/* Copyright (c) 1998, 1999, 2000, 2003, 2004, 2005, 2006, 2007 +/* Copyright (c) 1998, 1999, 2000, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998. @@ -307,10 +307,10 @@ static inline int __nscd_drop_map_ref (struct mapped_database *map, /* Search the mapped database. */ -extern struct datahead *__nscd_cache_search (request_type type, - const char *key, - size_t keylen, - const struct mapped_database *mapped); +extern const struct datahead *__nscd_cache_search (request_type type, + const char *key, + size_t keylen, + const struct mapped_database *mapped); /* Wrappers around read, readv and write that only read/write less than LEN bytes on error or EOF. */ diff --git a/nscd/nscd.c b/nscd/nscd.c index add4698406..b68ae2f413 100644 --- a/nscd/nscd.c +++ b/nscd/nscd.c @@ -1,4 +1,4 @@ -/* Copyright (c) 1998-2003, 2004, 2005, 2006 Free Software Foundation, Inc. +/* Copyright (c) 1998-2006, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@suse.de>, 1998. @@ -402,7 +402,7 @@ print_version (FILE *stream, struct argp_state *state) Copyright (C) %s Free Software Foundation, Inc.\n\ This is free software; see the source for copying conditions. There is NO\n\ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ -"), "2006"); +"), "2007"); fprintf (stream, gettext ("Written by %s.\n"), "Thorsten Kukuk and Ulrich Drepper"); } diff --git a/nscd/nscd.init b/nscd/nscd.init index a0074b99e5..a882da7d8b 100644 --- a/nscd/nscd.init +++ b/nscd/nscd.init @@ -49,15 +49,8 @@ prog=nscd start () { [ -d /var/run/nscd ] || mkdir /var/run/nscd [ -d /var/db/nscd ] || mkdir /var/db/nscd - secure="" -# for table in passwd group hosts -# do -# if egrep -q '^'$table':.*nisplus' /etc/nsswitch.conf; then -# /usr/lib/nscd_nischeck $table || secure="$secure -S $table,yes" -# fi -# done echo -n $"Starting $prog: " - daemon /usr/sbin/nscd $secure + daemon /usr/sbin/nscd RETVAL=$? echo [ $RETVAL -eq 0 ] && touch /var/lock/subsys/nscd diff --git a/nscd/nscd_getai.c b/nscd/nscd_getai.c index 5df32dc6dc..b59c31ea26 100644 --- a/nscd/nscd_getai.c +++ b/nscd/nscd_getai.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. @@ -42,7 +42,6 @@ __nscd_getai (const char *key, struct nscd_ai_result **result, int *h_errnop) { size_t keylen = strlen (key) + 1; int gc_cycle; - int nretries = 0; /* If the mapping is available, try to search there instead of communicating with the nscd. */ @@ -51,53 +50,49 @@ __nscd_getai (const char *key, struct nscd_ai_result **result, int *h_errnop) &gc_cycle); retry:; + const ai_response_header *ai_resp = NULL; struct nscd_ai_result *resultbuf = NULL; const char *recend = (const char *) ~UINTMAX_C (0); char *respdata = NULL; int retval = -1; int sock = -1; - ai_response_header ai_resp; if (mapped != NO_MAPPING) { - struct datahead *found = __nscd_cache_search (GETAI, key, keylen, - mapped); + const struct datahead *found = __nscd_cache_search (GETAI, key, keylen, + mapped); if (found != NULL) { - respdata = (char *) (&found->data[0].aidata + 1); - ai_resp = found->data[0].aidata; + ai_resp = &found->data[0].aidata; + respdata = (char *) (ai_resp + 1); recend = (const char *) found->data + found->recsize; - /* Now check if we can trust ai_resp fields. If GC is - in progress, it can contain anything. */ - if (mapped->head->gc_cycle != gc_cycle) - { - retval = -2; - goto out; - } } } /* If we do not have the cache mapped, try to get the data over the socket. */ - if (respdata == NULL) + ai_response_header ai_resp_mem; + if (ai_resp == NULL) { - sock = __nscd_open_socket (key, keylen, GETAI, &ai_resp, - sizeof (ai_resp)); + sock = __nscd_open_socket (key, keylen, GETAI, &ai_resp_mem, + sizeof (ai_resp_mem)); if (sock == -1) { /* nscd not running or wrong version. */ __nss_not_use_nscd_hosts = 1; goto out; } + + ai_resp = &ai_resp_mem; } - if (ai_resp.found == 1) + if (ai_resp->found == 1) { - size_t datalen = ai_resp.naddrs + ai_resp.addrslen + ai_resp.canonlen; + size_t datalen = ai_resp->naddrs + ai_resp->addrslen + ai_resp->canonlen; - /* This check really only affects the case where the data + /* This check is really only affects the case where the data comes from the mapped cache. */ - if (respdata + datalen > recend) + if ((char *) (ai_resp + 1) + datalen > recend) { assert (sock == -1); goto out; @@ -113,10 +108,10 @@ __nscd_getai (const char *key, struct nscd_ai_result **result, int *h_errnop) } /* Set up the data structure, including pointers. */ - resultbuf->naddrs = ai_resp.naddrs; + resultbuf->naddrs = ai_resp->naddrs; resultbuf->addrs = (char *) (resultbuf + 1); - resultbuf->family = (uint8_t *) (resultbuf->addrs + ai_resp.addrslen); - if (ai_resp.canonlen != 0) + resultbuf->family = (uint8_t *) (resultbuf->addrs + ai_resp->addrslen); + if (ai_resp->canonlen != 0) resultbuf->canon = (char *) (resultbuf->family + resultbuf->naddrs); else resultbuf->canon = NULL; @@ -142,13 +137,10 @@ __nscd_getai (const char *key, struct nscd_ai_result **result, int *h_errnop) /* Try to detect corrupt databases. */ if (resultbuf->canon != NULL - && resultbuf->canon[ai_resp.canonlen - 1] != '\0') + && resultbuf->canon[ai_resp->canonlen - 1] != '\0') /* We cannot use the database. */ { - if (mapped->head->gc_cycle != gc_cycle) - retval = -2; - else - free (resultbuf); + free (resultbuf); goto out_close; } @@ -158,7 +150,7 @@ __nscd_getai (const char *key, struct nscd_ai_result **result, int *h_errnop) } else { - if (__builtin_expect (ai_resp.found == -1, 0)) + if (__builtin_expect (ai_resp->found == -1, 0)) { /* The daemon does not cache this database. */ __nss_not_use_nscd_hosts = 1; @@ -166,7 +158,7 @@ __nscd_getai (const char *key, struct nscd_ai_result **result, int *h_errnop) } /* Store the error number. */ - *h_errnop = ai_resp.error; + *h_errnop = ai_resp->error; /* The `errno' to some value != ERANGE. */ __set_errno (ENOENT); @@ -178,25 +170,22 @@ __nscd_getai (const char *key, struct nscd_ai_result **result, int *h_errnop) if (sock != -1) close_not_cancel_no_status (sock); out: - if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0) + if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0 && retval != -1) { /* When we come here this means there has been a GC cycle while we were looking for the data. This means the data might have been inconsistent. Retry if possible. */ - if ((gc_cycle & 1) != 0 || ++nretries == 5 || retval == -1) + if ((gc_cycle & 1) != 0) { /* nscd is just running gc now. Disable using the mapping. */ - if (atomic_decrement_val (&mapped->counter) == 0) - __nscd_unmap (mapped); + __nscd_unmap (mapped); mapped = NO_MAPPING; } - if (retval != -1) - { - *result = NULL; - free (resultbuf); - goto retry; - } + *result = NULL; + free (resultbuf); + + goto retry; } return retval; diff --git a/nscd/nscd_getgr_r.c b/nscd/nscd_getgr_r.c index fc036f2888..922b906c19 100644 --- a/nscd/nscd_getgr_r.c +++ b/nscd/nscd_getgr_r.c @@ -1,5 +1,4 @@ -/* Copyright (C) 1998-2000, 2002-2005, 2006, 2007 - Free Software Foundation, Inc. +/* Copyright (C) 1998-2000, 2002-2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1998. @@ -89,7 +88,6 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type, struct group **result) { int gc_cycle; - int nretries = 0; const uint32_t *len = NULL; size_t lensize = 0; @@ -99,59 +97,55 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type, &__gr_map_handle, &gc_cycle); retry:; + const gr_response_header *gr_resp = NULL; const char *gr_name = NULL; size_t gr_name_len = 0; int retval = -1; const char *recend = (const char *) ~UINTMAX_C (0); - gr_response_header gr_resp; if (mapped != NO_MAPPING) { - struct datahead *found = __nscd_cache_search (type, key, keylen, mapped); + const struct datahead *found = __nscd_cache_search (type, key, keylen, + mapped); if (found != NULL) { - len = (const uint32_t *) (&found->data[0].grdata + 1); - gr_resp = found->data[0].grdata; + gr_resp = &found->data[0].grdata; + len = (const uint32_t *) (gr_resp + 1); + /* The alignment is always sufficient. */ + assert (((uintptr_t) len & (__alignof__ (*len) - 1)) == 0); gr_name = ((const char *) len - + gr_resp.gr_mem_cnt * sizeof (uint32_t)); - gr_name_len = gr_resp.gr_name_len + gr_resp.gr_passwd_len; + + gr_resp->gr_mem_cnt * sizeof (uint32_t)); + gr_name_len = gr_resp->gr_name_len + gr_resp->gr_passwd_len; recend = (const char *) found->data + found->recsize; - /* Now check if we can trust gr_resp fields. If GC is - in progress, it can contain anything. */ - if (mapped->head->gc_cycle != gc_cycle) - { - retval = -2; - goto out; - } - - /* The alignment is always sufficient, unless GC is in progress. */ - assert (((uintptr_t) len & (__alignof__ (*len) - 1)) == 0); } } + gr_response_header gr_resp_mem; int sock = -1; - if (gr_name == NULL) + if (gr_resp == NULL) { - sock = __nscd_open_socket (key, keylen, type, &gr_resp, - sizeof (gr_resp)); + sock = __nscd_open_socket (key, keylen, type, &gr_resp_mem, + sizeof (gr_resp_mem)); if (sock == -1) { __nss_not_use_nscd_group = 1; goto out; } + + gr_resp = &gr_resp_mem; } /* No value found so far. */ *result = NULL; - if (__builtin_expect (gr_resp.found == -1, 0)) + if (__builtin_expect (gr_resp->found == -1, 0)) { /* The daemon does not cache this database. */ __nss_not_use_nscd_group = 1; goto out_close; } - if (gr_resp.found == 1) + if (gr_resp->found == 1) { struct iovec vec[2]; char *p = buffer; @@ -163,8 +157,8 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type, align the pointer. */ align = ((__alignof__ (char *) - (p - ((char *) 0))) & (__alignof__ (char *) - 1)); - total_len = (align + (1 + gr_resp.gr_mem_cnt) * sizeof (char *) - + gr_resp.gr_name_len + gr_resp.gr_passwd_len); + total_len = (align + (1 + gr_resp->gr_mem_cnt) * sizeof (char *) + + gr_resp->gr_name_len + gr_resp->gr_passwd_len); if (__builtin_expect (buflen < total_len, 0)) { no_room: @@ -176,16 +170,16 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type, p += align; resultbuf->gr_mem = (char **) p; - p += (1 + gr_resp.gr_mem_cnt) * sizeof (char *); + p += (1 + gr_resp->gr_mem_cnt) * sizeof (char *); /* Set pointers for strings. */ resultbuf->gr_name = p; - p += gr_resp.gr_name_len; + p += gr_resp->gr_name_len; resultbuf->gr_passwd = p; - p += gr_resp.gr_passwd_len; + p += gr_resp->gr_passwd_len; /* Fill in what we know now. */ - resultbuf->gr_gid = gr_resp.gr_gid; + resultbuf->gr_gid = gr_resp->gr_gid; /* Read the length information, group name, and password. */ if (gr_name == NULL) @@ -193,17 +187,17 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type, /* Allocate array to store lengths. */ if (lensize == 0) { - lensize = gr_resp.gr_mem_cnt * sizeof (uint32_t); + lensize = gr_resp->gr_mem_cnt * sizeof (uint32_t); len = (uint32_t *) alloca (lensize); } - else if (gr_resp.gr_mem_cnt * sizeof (uint32_t) > lensize) + else if (gr_resp->gr_mem_cnt * sizeof (uint32_t) > lensize) len = extend_alloca (len, lensize, - gr_resp.gr_mem_cnt * sizeof (uint32_t)); + gr_resp->gr_mem_cnt * sizeof (uint32_t)); vec[0].iov_base = (void *) len; - vec[0].iov_len = gr_resp.gr_mem_cnt * sizeof (uint32_t); + vec[0].iov_len = gr_resp->gr_mem_cnt * sizeof (uint32_t); vec[1].iov_base = resultbuf->gr_name; - vec[1].iov_len = gr_resp.gr_name_len + gr_resp.gr_passwd_len; + vec[1].iov_len = gr_resp->gr_name_len + gr_resp->gr_passwd_len; total_len = vec[0].iov_len + vec[1].iov_len; /* Get this data. */ @@ -215,14 +209,14 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type, /* We already have the data. Just copy the group name and password. */ memcpy (resultbuf->gr_name, gr_name, - gr_resp.gr_name_len + gr_resp.gr_passwd_len); + gr_resp->gr_name_len + gr_resp->gr_passwd_len); /* Clear the terminating entry. */ - resultbuf->gr_mem[gr_resp.gr_mem_cnt] = NULL; + resultbuf->gr_mem[gr_resp->gr_mem_cnt] = NULL; /* Prepare reading the group members. */ total_len = 0; - for (cnt = 0; cnt < gr_resp.gr_mem_cnt; ++cnt) + for (cnt = 0; cnt < gr_resp->gr_mem_cnt; ++cnt) { resultbuf->gr_mem[cnt] = p; total_len += len[cnt]; @@ -230,25 +224,9 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type, } if (__builtin_expect (gr_name + gr_name_len + total_len > recend, 0)) - { - /* len array might contain garbage during nscd GC cycle, - retry rather than fail in that case. */ - if (gr_name != NULL && mapped->head->gc_cycle != gc_cycle) - retval = -2; - goto out_close; - } + goto out_close; if (__builtin_expect (total_len > buflen, 0)) - { - /* len array might contain garbage during nscd GC cycle, - retry rather than fail in that case. */ - if (gr_name != NULL && mapped->head->gc_cycle != gc_cycle) - { - retval = -2; - goto out_close; - } - else - goto no_room; - } + goto no_room; retval = 0; if (gr_name == NULL) @@ -270,14 +248,14 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type, /* Try to detect corrupt databases. */ if (resultbuf->gr_name[gr_name_len - 1] != '\0' - || resultbuf->gr_passwd[gr_resp.gr_passwd_len - 1] != '\0' - || ({for (cnt = 0; cnt < gr_resp.gr_mem_cnt; ++cnt) + || resultbuf->gr_passwd[gr_resp->gr_passwd_len - 1] != '\0' + || ({for (cnt = 0; cnt < gr_resp->gr_mem_cnt; ++cnt) if (resultbuf->gr_mem[cnt][len[cnt] - 1] != '\0') break; - cnt < gr_resp.gr_mem_cnt; })) + cnt < gr_resp->gr_mem_cnt; })) { /* We cannot use the database. */ - retval = mapped->head->gc_cycle != gc_cycle ? -2 : -1; + retval = -1; goto out_close; } @@ -296,21 +274,19 @@ nscd_getgr_r (const char *key, size_t keylen, request_type type, if (sock != -1) close_not_cancel_no_status (sock); out: - if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0) + if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0 && retval != -1) { /* When we come here this means there has been a GC cycle while we were looking for the data. This means the data might have been inconsistent. Retry if possible. */ - if ((gc_cycle & 1) != 0 || ++nretries == 5 || retval == -1) + if ((gc_cycle & 1) != 0) { /* nscd is just running gc now. Disable using the mapping. */ - if (atomic_decrement_val (&mapped->counter) == 0) - __nscd_unmap (mapped); + __nscd_unmap (mapped); mapped = NO_MAPPING; } - if (retval != -1) - goto retry; + goto retry; } return retval; diff --git a/nscd/nscd_gethst_r.c b/nscd/nscd_gethst_r.c index 90e1815bdd..516977bcc4 100644 --- a/nscd/nscd_gethst_r.c +++ b/nscd/nscd_gethst_r.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998-2005, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 1998-2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -118,6 +118,7 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, &gc_cycle); retry:; + const hst_response_header *hst_resp = NULL; const char *h_name = NULL; const uint32_t *aliases_len = NULL; const char *addr_list = NULL; @@ -125,27 +126,18 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, int retval = -1; const char *recend = (const char *) ~UINTMAX_C (0); int sock = -1; - hst_response_header hst_resp; if (mapped != NO_MAPPING) { - /* No const qualifier, as it can change during garbage collection. */ - struct datahead *found = __nscd_cache_search (type, key, keylen, mapped); + const struct datahead *found = __nscd_cache_search (type, key, keylen, + mapped); if (found != NULL) { - h_name = (char *) (&found->data[0].hstdata + 1); - hst_resp = found->data[0].hstdata; - aliases_len = (uint32_t *) (h_name + hst_resp.h_name_len); + hst_resp = &found->data[0].hstdata; + h_name = (char *) (hst_resp + 1); + aliases_len = (uint32_t *) (h_name + hst_resp->h_name_len); addr_list = ((char *) aliases_len - + hst_resp.h_aliases_cnt * sizeof (uint32_t)); - addr_list_len = hst_resp.h_addr_list_cnt * INADDRSZ; - recend = (const char *) found->data + found->recsize; - /* Now check if we can trust hst_resp fields. If GC is - in progress, it can contain anything. */ - if (mapped->head->gc_cycle != gc_cycle) - { - retval = -2; - goto out; - } + + hst_resp->h_aliases_cnt * sizeof (uint32_t)); + addr_list_len = hst_resp->h_addr_list_cnt * INADDRSZ; #ifndef _STRING_ARCH_unaligned /* The aliases_len array in the mapped database might very @@ -155,47 +147,51 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, if (((uintptr_t) aliases_len & (__alignof__ (*aliases_len) - 1)) != 0) { - uint32_t *tmp = alloca (hst_resp.h_aliases_cnt + uint32_t *tmp = alloca (hst_resp->h_aliases_cnt * sizeof (uint32_t)); aliases_len = memcpy (tmp, aliases_len, - hst_resp.h_aliases_cnt + hst_resp->h_aliases_cnt * sizeof (uint32_t)); } #endif if (type != GETHOSTBYADDR && type != GETHOSTBYNAME) { - if (hst_resp.h_length == INADDRSZ) + if (hst_resp->h_length == INADDRSZ) addr_list += addr_list_len; - addr_list_len = hst_resp.h_addr_list_cnt * IN6ADDRSZ; + addr_list_len = hst_resp->h_addr_list_cnt * IN6ADDRSZ; } + recend = (const char *) found->data + found->recsize; if (__builtin_expect ((const char *) addr_list + addr_list_len > recend, 0)) - goto out; + goto out_close; } } - if (h_name == NULL) + hst_response_header hst_resp_mem; + if (hst_resp == NULL) { - sock = __nscd_open_socket (key, keylen, type, &hst_resp, - sizeof (hst_resp)); + sock = __nscd_open_socket (key, keylen, type, &hst_resp_mem, + sizeof (hst_resp_mem)); if (sock == -1) { __nss_not_use_nscd_hosts = 1; - goto out; + goto out;; } + + hst_resp = &hst_resp_mem; } /* No value found so far. */ *result = NULL; - if (__builtin_expect (hst_resp.found == -1, 0)) + if (__builtin_expect (hst_resp->found == -1, 0)) { /* The daemon does not cache this database. */ __nss_not_use_nscd_hosts = 1; goto out_close; } - if (hst_resp.found == 1) + if (hst_resp->found == 1) { struct iovec vec[4]; char *cp = buffer; @@ -211,15 +207,15 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, align the pointer and the base of the h_addr_list pointers. */ align1 = ((__alignof__ (char *) - (cp - ((char *) 0))) & (__alignof__ (char *) - 1)); - align2 = ((__alignof__ (char *) - ((cp + align1 + hst_resp.h_name_len) + align2 = ((__alignof__ (char *) - ((cp + align1 + hst_resp->h_name_len) - ((char *) 0))) & (__alignof__ (char *) - 1)); - if (buflen < (align1 + hst_resp.h_name_len + align2 - + ((hst_resp.h_aliases_cnt + hst_resp.h_addr_list_cnt + if (buflen < (align1 + hst_resp->h_name_len + align2 + + ((hst_resp->h_aliases_cnt + hst_resp->h_addr_list_cnt + 2) * sizeof (char *)) - + hst_resp.h_addr_list_cnt * (type == AF_INET - ? INADDRSZ : IN6ADDRSZ))) + + hst_resp->h_addr_list_cnt * (type == AF_INET + ? INADDRSZ : IN6ADDRSZ))) { no_room: *h_errnop = NETDB_INTERNAL; @@ -231,12 +227,12 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, /* Prepare the result as far as we can. */ resultbuf->h_aliases = (char **) cp; - cp += (hst_resp.h_aliases_cnt + 1) * sizeof (char *); + cp += (hst_resp->h_aliases_cnt + 1) * sizeof (char *); resultbuf->h_addr_list = (char **) cp; - cp += (hst_resp.h_addr_list_cnt + 1) * sizeof (char *); + cp += (hst_resp->h_addr_list_cnt + 1) * sizeof (char *); resultbuf->h_name = cp; - cp += hst_resp.h_name_len + align2; + cp += hst_resp->h_name_len + align2; if (type == GETHOSTBYADDR || type == GETHOSTBYNAME) { @@ -248,7 +244,7 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, resultbuf->h_addrtype = AF_INET6; resultbuf->h_length = IN6ADDRSZ; } - for (cnt = 0; cnt < hst_resp.h_addr_list_cnt; ++cnt) + for (cnt = 0; cnt < hst_resp->h_addr_list_cnt; ++cnt) { resultbuf->h_addr_list[cnt] = cp; cp += resultbuf->h_length; @@ -258,47 +254,47 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, if (h_name == NULL) { vec[0].iov_base = resultbuf->h_name; - vec[0].iov_len = hst_resp.h_name_len; - total_len = hst_resp.h_name_len; + vec[0].iov_len = hst_resp->h_name_len; + total_len = hst_resp->h_name_len; n = 1; - if (hst_resp.h_aliases_cnt > 0) + if (hst_resp->h_aliases_cnt > 0) { - aliases_len = alloca (hst_resp.h_aliases_cnt + aliases_len = alloca (hst_resp->h_aliases_cnt * sizeof (uint32_t)); vec[n].iov_base = (void *) aliases_len; - vec[n].iov_len = hst_resp.h_aliases_cnt * sizeof (uint32_t); + vec[n].iov_len = hst_resp->h_aliases_cnt * sizeof (uint32_t); - total_len += hst_resp.h_aliases_cnt * sizeof (uint32_t); + total_len += hst_resp->h_aliases_cnt * sizeof (uint32_t); ++n; } if (type == GETHOSTBYADDR || type == GETHOSTBYNAME) { vec[n].iov_base = resultbuf->h_addr_list[0]; - vec[n].iov_len = hst_resp.h_addr_list_cnt * INADDRSZ; + vec[n].iov_len = hst_resp->h_addr_list_cnt * INADDRSZ; - total_len += hst_resp.h_addr_list_cnt * INADDRSZ; + total_len += hst_resp->h_addr_list_cnt * INADDRSZ; ++n; } else { - if (hst_resp.h_length == INADDRSZ) + if (hst_resp->h_length == INADDRSZ) { - ignore = alloca (hst_resp.h_addr_list_cnt * INADDRSZ); + ignore = alloca (hst_resp->h_addr_list_cnt * INADDRSZ); vec[n].iov_base = ignore; - vec[n].iov_len = hst_resp.h_addr_list_cnt * INADDRSZ; + vec[n].iov_len = hst_resp->h_addr_list_cnt * INADDRSZ; - total_len += hst_resp.h_addr_list_cnt * INADDRSZ; + total_len += hst_resp->h_addr_list_cnt * INADDRSZ; ++n; } vec[n].iov_base = resultbuf->h_addr_list[0]; - vec[n].iov_len = hst_resp.h_addr_list_cnt * IN6ADDRSZ; + vec[n].iov_len = hst_resp->h_addr_list_cnt * IN6ADDRSZ; - total_len += hst_resp.h_addr_list_cnt * IN6ADDRSZ; + total_len += hst_resp->h_addr_list_cnt * IN6ADDRSZ; ++n; } @@ -308,13 +304,13 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, } else { - memcpy (resultbuf->h_name, h_name, hst_resp.h_name_len); + memcpy (resultbuf->h_name, h_name, hst_resp->h_name_len); memcpy (resultbuf->h_addr_list[0], addr_list, addr_list_len); } /* Now we also can read the aliases. */ total_len = 0; - for (cnt = 0; cnt < hst_resp.h_aliases_cnt; ++cnt) + for (cnt = 0; cnt < hst_resp->h_aliases_cnt; ++cnt) { resultbuf->h_aliases[cnt] = cp; cp += aliases_len[cnt]; @@ -324,25 +320,10 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, if (__builtin_expect ((const char *) addr_list + addr_list_len + total_len > recend, 0)) - { - /* aliases_len array might contain garbage during nscd GC cycle, - retry rather than fail in that case. */ - if (addr_list != NULL && mapped->head->gc_cycle != gc_cycle) - retval = -2; - goto out_close; - } + goto out_close; /* See whether this would exceed the buffer capacity. */ if (__builtin_expect (cp > buffer + buflen, 0)) - { - /* aliases_len array might contain garbage during nscd GC cycle, - retry rather than fail in that case. */ - if (addr_list != NULL && mapped->head->gc_cycle != gc_cycle) - { - retval = -2; - goto out_close; - } - goto no_room; - } + goto no_room; /* And finally read the aliases. */ if (addr_list == NULL) @@ -361,18 +342,14 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, (const char *) addr_list + addr_list_len, total_len); /* Try to detect corrupt databases. */ - if (resultbuf->h_name[hst_resp.h_name_len - 1] != '\0' - || ({for (cnt = 0; cnt < hst_resp.h_aliases_cnt; ++cnt) + if (resultbuf->h_name[hst_resp->h_name_len - 1] != '\0' + || ({for (cnt = 0; cnt < hst_resp->h_aliases_cnt; ++cnt) if (resultbuf->h_aliases[cnt][aliases_len[cnt] - 1] != '\0') break; - cnt < hst_resp.h_aliases_cnt; })) - { - /* We cannot use the database. */ - if (mapped->head->gc_cycle != gc_cycle) - retval = -2; - goto out_close; - } + cnt < hst_resp->h_aliases_cnt; })) + /* We cannot use the database. */ + goto out_close; retval = 0; *result = resultbuf; @@ -381,7 +358,7 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, else { /* Store the error number. */ - *h_errnop = hst_resp.error; + *h_errnop = hst_resp->error; /* The `errno' to some value != ERANGE. */ __set_errno (ENOENT); @@ -393,21 +370,19 @@ nscd_gethst_r (const char *key, size_t keylen, request_type type, if (sock != -1) close_not_cancel_no_status (sock); out: - if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0) + if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0 && retval != -1) { /* When we come here this means there has been a GC cycle while we were looking for the data. This means the data might have been inconsistent. Retry if possible. */ - if ((gc_cycle & 1) != 0 || ++nretries == 5 || retval == -1) + if ((gc_cycle & 1) != 0 || ++nretries == 5) { /* nscd is just running gc now. Disable using the mapping. */ - if (atomic_decrement_val (&mapped->counter) == 0) - __nscd_unmap (mapped); + __nscd_unmap (mapped); mapped = NO_MAPPING; } - if (retval != -1) - goto retry; + goto retry; } return retval; diff --git a/nscd/nscd_getpw_r.c b/nscd/nscd_getpw_r.c index b84baa1a66..e8e4d7364f 100644 --- a/nscd/nscd_getpw_r.c +++ b/nscd/nscd_getpw_r.c @@ -1,5 +1,4 @@ -/* Copyright (C) 1998, 1999, 2003, 2004, 2005, 2007 - Free Software Foundation, Inc. +/* Copyright (C) 1998, 1999, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Thorsten Kukuk <kukuk@uni-paderborn.de>, 1998. @@ -89,81 +88,76 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type, struct passwd **result) { int gc_cycle; - int nretries = 0; - /* If the mapping is available, try to search there instead of communicating with the nscd. */ struct mapped_database *mapped; mapped = __nscd_get_map_ref (GETFDPW, "passwd", &map_handle, &gc_cycle); retry:; + const pw_response_header *pw_resp = NULL; const char *pw_name = NULL; int retval = -1; const char *recend = (const char *) ~UINTMAX_C (0); - pw_response_header pw_resp; if (mapped != NO_MAPPING) { - struct datahead *found = __nscd_cache_search (type, key, keylen, mapped); + const struct datahead *found = __nscd_cache_search (type, key, keylen, + mapped); if (found != NULL) { - pw_name = (const char *) (&found->data[0].pwdata + 1); - pw_resp = found->data[0].pwdata; + pw_resp = &found->data[0].pwdata; + pw_name = (const char *) (pw_resp + 1); recend = (const char *) found->data + found->recsize; - /* Now check if we can trust pw_resp fields. If GC is - in progress, it can contain anything. */ - if (mapped->head->gc_cycle != gc_cycle) - { - retval = -2; - goto out; - } } } + pw_response_header pw_resp_mem; int sock = -1; - if (pw_name == NULL) + if (pw_resp == NULL) { - sock = __nscd_open_socket (key, keylen, type, &pw_resp, - sizeof (pw_resp)); + sock = __nscd_open_socket (key, keylen, type, &pw_resp_mem, + sizeof (pw_resp_mem)); if (sock == -1) { __nss_not_use_nscd_passwd = 1; goto out; } + + pw_resp = &pw_resp_mem; } /* No value found so far. */ *result = NULL; - if (__builtin_expect (pw_resp.found == -1, 0)) + if (__builtin_expect (pw_resp->found == -1, 0)) { /* The daemon does not cache this database. */ __nss_not_use_nscd_passwd = 1; goto out_close; } - if (pw_resp.found == 1) + if (pw_resp->found == 1) { /* Set the information we already have. */ - resultbuf->pw_uid = pw_resp.pw_uid; - resultbuf->pw_gid = pw_resp.pw_gid; + resultbuf->pw_uid = pw_resp->pw_uid; + resultbuf->pw_gid = pw_resp->pw_gid; char *p = buffer; /* get pw_name */ resultbuf->pw_name = p; - p += pw_resp.pw_name_len; + p += pw_resp->pw_name_len; /* get pw_passwd */ resultbuf->pw_passwd = p; - p += pw_resp.pw_passwd_len; + p += pw_resp->pw_passwd_len; /* get pw_gecos */ resultbuf->pw_gecos = p; - p += pw_resp.pw_gecos_len; + p += pw_resp->pw_gecos_len; /* get pw_dir */ resultbuf->pw_dir = p; - p += pw_resp.pw_dir_len; + p += pw_resp->pw_dir_len; /* get pw_pshell */ resultbuf->pw_shell = p; - p += pw_resp.pw_shell_len; + p += pw_resp->pw_shell_len; ssize_t total = p - buffer; if (__builtin_expect (pw_name + total > recend, 0)) @@ -195,14 +189,14 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type, memcpy (resultbuf->pw_name, pw_name, total); /* Try to detect corrupt databases. */ - if (resultbuf->pw_name[pw_resp.pw_name_len - 1] != '\0' - || resultbuf->pw_passwd[pw_resp.pw_passwd_len - 1] != '\0' - || resultbuf->pw_gecos[pw_resp.pw_gecos_len - 1] != '\0' - || resultbuf->pw_dir[pw_resp.pw_dir_len - 1] != '\0' - || resultbuf->pw_shell[pw_resp.pw_shell_len - 1] != '\0') + if (resultbuf->pw_name[pw_resp->pw_name_len - 1] != '\0' + || resultbuf->pw_passwd[pw_resp->pw_passwd_len - 1] != '\0' + || resultbuf->pw_gecos[pw_resp->pw_gecos_len - 1] != '\0' + || resultbuf->pw_dir[pw_resp->pw_dir_len - 1] != '\0' + || resultbuf->pw_shell[pw_resp->pw_shell_len - 1] != '\0') { /* We cannot use the database. */ - retval = mapped->head->gc_cycle != gc_cycle ? -2 : -1; + retval = -1; goto out_close; } @@ -221,21 +215,19 @@ nscd_getpw_r (const char *key, size_t keylen, request_type type, if (sock != -1) close_not_cancel_no_status (sock); out: - if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0) + if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0 && retval != -1) { /* When we come here this means there has been a GC cycle while we were looking for the data. This means the data might have been inconsistent. Retry if possible. */ - if ((gc_cycle & 1) != 0 || ++nretries == 5 || retval == -1) + if ((gc_cycle & 1) != 0) { /* nscd is just running gc now. Disable using the mapping. */ - if (atomic_decrement_val (&mapped->counter) == 0) - __nscd_unmap (mapped); + __nscd_unmap (mapped); mapped = NO_MAPPING; } - if (retval != -1) - goto retry; + goto retry; } return retval; diff --git a/nscd/nscd_helper.c b/nscd/nscd_helper.c index 71ea53e19d..7c45981586 100644 --- a/nscd/nscd_helper.c +++ b/nscd/nscd_helper.c @@ -1,5 +1,4 @@ -/* Copyright (C) 1998-2002,2003,2004,2005,2006,2007 - Free Software Foundation, Inc. +/* Copyright (C) 1998-2002,2003,2004,2005,2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -22,7 +21,6 @@ #include <errno.h> #include <fcntl.h> #include <stdbool.h> -#include <string.h> #include <time.h> #include <unistd.h> #include <sys/mman.h> @@ -188,7 +186,6 @@ get_mapping (request_type type, const char *key, request_header req; char key[keylen]; } reqdata; - size_t real_sizeof_reqdata = sizeof (request_header) + keylen; int sock = open_socket (); if (sock < 0) @@ -203,9 +200,9 @@ get_mapping (request_type type, const char *key, # define MSG_NOSIGNAL 0 # endif if (__builtin_expect (TEMP_FAILURE_RETRY (__send (sock, &reqdata, - real_sizeof_reqdata, + sizeof (reqdata), MSG_NOSIGNAL)) - != real_sizeof_reqdata, 0)) + != sizeof (reqdata), 0)) /* We cannot even write the request. */ goto out_close2; @@ -243,13 +240,12 @@ get_mapping (request_type type, const char *key, != keylen, 0)) goto out_close2; - if (__builtin_expect (CMSG_FIRSTHDR (&msg) == NULL - || (CMSG_FIRSTHDR (&msg)->cmsg_len - != CMSG_LEN (sizeof (int))), 0)) - goto out_close2; - mapfd = *(int *) CMSG_DATA (cmsg); + if (__builtin_expect (CMSG_FIRSTHDR (&msg)->cmsg_len + != CMSG_LEN (sizeof (int)), 0)) + goto out_close; + struct stat64 st; if (__builtin_expect (strcmp (resdata, key) != 0, 0) || __builtin_expect (fstat64 (mapfd, &st) != 0, 0) @@ -366,10 +362,7 @@ __nscd_get_map_ref (request_type type, const char *name, } -/* Don't return const struct datahead *, as eventhough the record - is normally constant, it can change arbitrarily during nscd - garbage collection. */ -struct datahead * +const struct datahead * __nscd_cache_search (request_type type, const char *key, size_t keylen, const struct mapped_database *mapped) { @@ -381,32 +374,16 @@ __nscd_cache_search (request_type type, const char *key, size_t keylen, { struct hashentry *here = (struct hashentry *) (mapped->data + work); -#ifndef _STRING_ARCH_unaligned - /* Although during garbage collection when moving struct hashentry - records around we first copy from old to new location and then - adjust pointer from previous hashentry to it, there is no barrier - between those memory writes. It is very unlikely to hit it, - so check alignment only if a misaligned load can crash the - application. */ - if ((uintptr_t) here & (__alignof__ (*here) - 1)) - return NULL; -#endif - if (type == here->type && keylen == here->len - && here->key + keylen <= datasize + && here->key + here->len <= datasize && memcmp (key, mapped->data + here->key, keylen) == 0 && here->packet + sizeof (struct datahead) <= datasize) { /* We found the entry. Increment the appropriate counter. */ - struct datahead *dh + const struct datahead *dh = (struct datahead *) (mapped->data + here->packet); -#ifndef _STRING_ARCH_unaligned - if ((uintptr_t) dh & (__alignof__ (*dh) - 1)) - return NULL; -#endif - /* See whether we must ignore the entry or whether something is wrong because garbage collection is in progress. */ if (dh->usable && here->packet + dh->allocsize <= datasize) diff --git a/nscd/nscd_initgroups.c b/nscd/nscd_initgroups.c index 866455a96c..97a037d4a9 100644 --- a/nscd/nscd_initgroups.c +++ b/nscd/nscd_initgroups.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2004. @@ -39,7 +39,6 @@ __nscd_getgrouplist (const char *user, gid_t group, long int *size, { size_t userlen = strlen (user) + 1; int gc_cycle; - int nretries = 0; /* If the mapping is available, try to search there instead of communicating with the nscd. */ @@ -47,49 +46,44 @@ __nscd_getgrouplist (const char *user, gid_t group, long int *size, mapped = __nscd_get_map_ref (GETFDGR, "group", &__gr_map_handle, &gc_cycle); retry:; + const initgr_response_header *initgr_resp = NULL; char *respdata = NULL; int retval = -1; int sock = -1; - initgr_response_header initgr_resp; if (mapped != NO_MAPPING) { - struct datahead *found = __nscd_cache_search (INITGROUPS, user, - userlen, mapped); + const struct datahead *found = __nscd_cache_search (INITGROUPS, user, + userlen, mapped); if (found != NULL) { - respdata = (char *) (&found->data[0].initgrdata + 1); - initgr_resp = found->data[0].initgrdata; + initgr_resp = &found->data[0].initgrdata; + respdata = (char *) (initgr_resp + 1); char *recend = (char *) found->data + found->recsize; - /* Now check if we can trust initgr_resp fields. If GC is - in progress, it can contain anything. */ - if (mapped->head->gc_cycle != gc_cycle) - { - retval = -2; - goto out; - } - - if (respdata + initgr_resp.ngrps * sizeof (int32_t) > recend) + if (respdata + initgr_resp->ngrps * sizeof (int32_t) > recend) goto out; } } /* If we do not have the cache mapped, try to get the data over the socket. */ - if (respdata == NULL) + initgr_response_header initgr_resp_mem; + if (initgr_resp == NULL) { - sock = __nscd_open_socket (user, userlen, INITGROUPS, &initgr_resp, - sizeof (initgr_resp)); + sock = __nscd_open_socket (user, userlen, INITGROUPS, &initgr_resp_mem, + sizeof (initgr_resp_mem)); if (sock == -1) { /* nscd not running or wrong version. */ __nss_not_use_nscd_group = 1; goto out; } + + initgr_resp = &initgr_resp_mem; } - if (initgr_resp.found == 1) + if (initgr_resp->found == 1) { /* The following code assumes that gid_t and int32_t are the same size. This is the case for al existing implementation. @@ -97,40 +91,40 @@ __nscd_getgrouplist (const char *user, gid_t group, long int *size, doesn't use memcpy but instead copies each array element one by one. */ assert (sizeof (int32_t) == sizeof (gid_t)); - assert (initgr_resp.ngrps >= 0); + assert (initgr_resp->ngrps >= 0); /* Make sure we have enough room. We always count GROUP in even though we might not end up adding it. */ - if (*size < initgr_resp.ngrps + 1) + if (*size < initgr_resp->ngrps + 1) { gid_t *newp = realloc (*groupsp, - (initgr_resp.ngrps + 1) * sizeof (gid_t)); + (initgr_resp->ngrps + 1) * sizeof (gid_t)); if (newp == NULL) /* We cannot increase the buffer size. */ goto out_close; *groupsp = newp; - *size = initgr_resp.ngrps + 1; + *size = initgr_resp->ngrps + 1; } if (respdata == NULL) { /* Read the data from the socket. */ - if ((size_t) __readall (sock, *groupsp, initgr_resp.ngrps + if ((size_t) __readall (sock, *groupsp, initgr_resp->ngrps * sizeof (gid_t)) - == initgr_resp.ngrps * sizeof (gid_t)) - retval = initgr_resp.ngrps; + == initgr_resp->ngrps * sizeof (gid_t)) + retval = initgr_resp->ngrps; } else { /* Just copy the data. */ - retval = initgr_resp.ngrps; + retval = initgr_resp->ngrps; memcpy (*groupsp, respdata, retval * sizeof (gid_t)); } } else { - if (__builtin_expect (initgr_resp.found == -1, 0)) + if (__builtin_expect (initgr_resp->found == -1, 0)) { /* The daemon does not cache this database. */ __nss_not_use_nscd_group = 1; @@ -159,21 +153,19 @@ __nscd_getgrouplist (const char *user, gid_t group, long int *size, if (sock != -1) close_not_cancel_no_status (sock); out: - if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0) + if (__nscd_drop_map_ref (mapped, &gc_cycle) != 0 && retval != -1) { /* When we come here this means there has been a GC cycle while we were looking for the data. This means the data might have been inconsistent. Retry if possible. */ - if ((gc_cycle & 1) != 0 || ++nretries == 5 || retval == -1) + if ((gc_cycle & 1) != 0) { /* nscd is just running gc now. Disable using the mapping. */ - if (atomic_decrement_val (&mapped->counter) == 0) - __nscd_unmap (mapped); + __nscd_unmap (mapped); mapped = NO_MAPPING; } - if (retval != -1) - goto retry; + goto retry; } return retval; diff --git a/nscd/pwdcache.c b/nscd/pwdcache.c index ae579df510..01c223add5 100644 --- a/nscd/pwdcache.c +++ b/nscd/pwdcache.c @@ -1,5 +1,5 @@ /* Cache handling for passwd lookup. - Copyright (C) 1998-2005, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 1998-2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -274,7 +274,6 @@ cache_addpw (struct database_dyn *db, int fd, request_header *req, { /* Adjust pointer into the memory block. */ cp = (char *) newp + (cp - (char *) dataset); - key_copy = (char *) newp + (key_copy - (char *) dataset); dataset = memcpy (newp, dataset, total + n); alloca_used = false; diff --git a/nscd/selinux.c b/nscd/selinux.c index b826031150..f0620d1012 100644 --- a/nscd/selinux.c +++ b/nscd/selinux.c @@ -1,5 +1,5 @@ /* SELinux access controls for nscd. - Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Matthew Rickard <mjricka@epoch.ncsc.mil>, 2004. @@ -182,22 +182,18 @@ preserve_capabilities (void) if (tmp_caps == NULL || new_caps == NULL) { if (tmp_caps != NULL) - cap_free (tmp_caps); + free_caps (tmp_caps); dbg_log (_("Failed to initialize drop of capabilities")); error (EXIT_FAILURE, 0, _("cap_init failed")); } /* There is no reason why these should not work. */ - cap_set_flag (new_caps, CAP_PERMITTED, nnew_cap_list, - (cap_value_t *) new_cap_list, CAP_SET); - cap_set_flag (new_caps, CAP_EFFECTIVE, nnew_cap_list, - (cap_value_t *) new_cap_list, CAP_SET); + cap_set_flag (new_caps, CAP_PERMITTED, nnew_cap_list, new_cap_list, CAP_SET); + cap_set_flag (new_caps, CAP_EFFECTIVE, nnew_cap_list, new_cap_list, CAP_SET); - cap_set_flag (tmp_caps, CAP_PERMITTED, ntmp_cap_list, - (cap_value_t *) tmp_cap_list, CAP_SET); - cap_set_flag (tmp_caps, CAP_EFFECTIVE, ntmp_cap_list, - (cap_value_t *) tmp_cap_list, CAP_SET); + cap_set_flag (tmp_caps, CAP_PERMITTED, ntmp_cap_list, tmp_cap_list, CAP_SET); + cap_set_flag (tmp_caps, CAP_EFFECTIVE, ntmp_cap_list, tmp_cap_list, CAP_SET); int res = cap_set_proc (tmp_caps); @@ -206,7 +202,7 @@ preserve_capabilities (void) if (__builtin_expect (res != 0, 0)) { cap_free (new_caps); - dbg_log (_("Failed to drop capabilities\n")); + dbg_log (_("Failed to drop capabilities")); error (EXIT_FAILURE, 0, _("cap_set_proc failed")); } diff --git a/nscd/selinux.h b/nscd/selinux.h index 27afcd6e86..9ce0628486 100644 --- a/nscd/selinux.h +++ b/nscd/selinux.h @@ -1,5 +1,5 @@ /* Header for nscd SELinux access controls. - Copyright (C) 2004, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 2004, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Matthew Rickard <mjricka@epoch.ncsc.mil>, 2004. @@ -23,7 +23,7 @@ #include "nscd.h" #ifdef HAVE_LIBCAP -# include <sys/capability.h> +# include <sys/capabilities.h> #endif #ifdef HAVE_SELINUX |