AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-12-01 17:30:07 +00:00
Code Issues Packages Projects Releases Wiki Activity
33,265 Commits 334 Branches 1,646 Tags 278 MiB
30ac923dbe
Commit Graph

202 Commits

Author SHA1 Message Date
Zack Weinberg
de6da571ee Remove some unnecessary redefinitions of std symbols. 
Two files in stdio-common were unnecessarily redefining some standard
symbols as their _IO_ aliases.

	* stdio-common/vfprintf.c: Don't redefine FILE, va_list, or BUFSIZ.
        * stdio-common/tstgetln.c: Don't redefine ssize_t.
 2018-02-05 19:58:01 -05:00
Joseph Myers
688903eb3e Update copyright dates with scripts/update-copyrights. 
* All files with FSF copyright notices: Update copyright dates
	using scripts/update-copyrights.
	* locale/programs/charmap-kw.h: Regenerated.
	* locale/programs/locfile-kw.h: Likewise.
 2018-01-01 00:32:25 +00:00
Florian Weimer
d10b132bf5 stdio-common: Use array_length and array_end macros 2017-11-02 12:45:20 +01:00
Florian Weimer
2fa6d086d1 stdio-common: Remove internal_function attribute 2017-08-31 18:52:00 +02:00
Florian Weimer
edc1686af0 vfprintf: Reuse work_buffer in group_number 2017-06-29 09:37:13 +02:00
Florian Weimer
12d5853e22 vfprintf: Use struct scratch_buffer for positional arguments allocation 2017-06-29 09:37:04 +02:00
Florian Weimer
08d01cae60 vfprintf: Reduce WORK_BUFFER_SIZE for wchar_t builds 2017-06-29 09:34:22 +02:00
Gabriel F. T. Gomes
cf2046ec7d float128: Add strfromf128 
Add strfromf128 to stdlib when _Float128 support is enabled.

	* stdio-common/printf-parsemb.c (__parse_one_specmb): Initialize
	spec->info.is_binary128 to zero.
	* stdio-common/printf.h (printf_info): Add new member is_binary128
	to indicate that the number being converted to string is compatible
	with the IEC 60559 binary128 format.
	* stdio-common/printf_fp.c (__printf_fp_l): Add code to deal with
	_Float128 numbers.
	* stdio-common/printf_fphex.c: Include ieee754_float128.h and
	ldbl-128/printf_fphex_macros.h
	(__printf_fphex): Add code to deal with _Float128 numbers.
	* stdio-common/printf_size.c (__printf_size): Likewise.
	* stdio-common/vfprintf.c (process_arg): Initialize member
	info.is_binary128 to zero.
	* stdlib/fpioconst.h (FLT128_MAX_10_EXP_LOG): New macro.
	* stdlib/stdlib.h: Include bits/floatn.h for _Float128 support.
	(strfromf128): New declaration.
	* stdlib/strfrom-skeleton.c (STRFROM): Set member info.is_binary128
	to one.
	* sysdeps/ieee754/float128/Makefile: Add strfromf128.
	* sysdeps/ieee754/float128/Versions: Likewise.
	* sysdeps/ieee754/float128/strfromf128.c: New file.
 2017-06-07 17:08:21 -03:00
Carlos O'Donell
7224e32d7b vfprintf.c: Refactor magic number 32 into EXTSIZ. 
The magic number 32 is used everywhere as extra size to
use when doing certain operations. This commit refactors
that into a macro so you can change this value if you're
debugging something in a local build.
 2017-05-08 16:13:16 -04:00
Joseph Myers
bfff8b1bec Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
Florian Weimer
326e288b1e vfprintf: Avoid creating a VLA which complicates stack management 2016-09-02 15:36:52 +02:00
Florian Weimer
db3476aff1 libio: Implement vtable verification [BZ #20191] 
This commit puts all libio vtables in a dedicated, read-only ELF
section, so that they are consecutive in memory.  Before any indirect
jump, the vtable pointer is checked against the section boundaries,
and the process is terminated if the vtable pointer does not fall into
the special ELF section.

To enable backwards compatibility, a special flag variable
(_IO_accept_foreign_vtables), protected by the pointer guard, avoids
process termination if libio stream object constructor functions have
been called earlier.  Such constructor functions are called by the GCC
2.95 libstdc++ library, and this mechanism ensures compatibility with
old binaries.  Existing callers inside glibc of these functions are
adjusted to call the original functions, not the wrappers which enable
vtable compatiblity.

The compatibility mechanism is used to enable passing FILE * objects
across a static dlopen boundary, too.
 2016-06-23 20:01:52 +02:00
Florian Weimer
fdcf1c9480 vfprintf: Fix memory with large width and precision [BZ #19931] 
Free a previously allocated work buffer if it is not large enough.
 2016-04-25 14:10:26 +02:00
Joseph Myers
f7a9f785e5 Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
Florian Weimer
db8ad8fac3 vfprintf: Rewrite printf_positional to use struct scratch_buffer 2015-10-17 12:05:12 +02:00
Paul Pluzhnikov
560b04462f Fix BZ #18872 -- memory leak in printf_positional. 2015-09-16 09:16:11 -07:00
Joseph Myers
ec999b8e5e Move bits/libc-lock.h and bits/libc-lockP.h out of bits/ (bug 14912). 
It was noted in
<https://sourceware.org/ml/libc-alpha/2012-09/msg00305.html> that the
bits/*.h naming scheme should only be used for installed headers.
This patch renames bits/libc-lock.h to plain libc-lock.h and
bits/libc-lockP.h to plain libc-lockP.h to follow that convention.

Note that I don't know where libc-lockP.h comes from for Hurd (the
Hurd libc-lock.h includes libc-lockP.h, but the only libc-lockP.h in
the glibc source tree is for NPTL) - some unmerged patch? - but I
updated the #include in the Hurd libc-lock.h anyway.

Tested for x86_64 (testsuite, and that installed stripped shared
libraries are unchanged by the patch).

	[BZ #14912]
	* bits/libc-lock.h: Move to ...
	* sysdeps/generic/libc-lock.h: ...here.
	(_BITS_LIBC_LOCK_H): Rename macro to _LIBC_LOCK_H.
	* sysdeps/mach/hurd/bits/libc-lock.h: Move to ...
	* sysdeps/mach/hurd/libc-lock.h: ...here.
	(_BITS_LIBC_LOCK_H): Rename macro to _LIBC_LOCK_H.
	[_LIBC]: Include <libc-lockP.h> instead of <bits/libc-lockP.h>.
	* sysdeps/mach/bits/libc-lock.h: Move to ...
	* sysdeps/mach/libc-lock.h: ...here.
	(_BITS_LIBC_LOCK_H): Rename macro to _LIBC_LOCK_H.
	* sysdeps/nptl/bits/libc-lock.h: Move to ...
	* sysdeps/nptl/libc-lock.h: ...here.
	(_BITS_LIBC_LOCK_H): Rename macro to _LIBC_LOCK_H.
	* sysdeps/nptl/bits/libc-lockP.h: Move to ...
	* sysdeps/nptl/libc-lockP.h: ...here.
	(_BITS_LIBC_LOCKP_H): Rename macro to _LIBC_LOCKP_H.
	* crypt/crypt_util.c: Include <libc-lock.h> instead of
	<bits/libc-lock.h>.
	* dirent/scandir-tail.c: Likewise.
	* dlfcn/dlerror.c: Likewise.
	* elf/dl-close.c: Likewise.
	* elf/dl-iteratephdr.c: Likewise.
	* elf/dl-lookup.c: Likewise.
	* elf/dl-open.c: Likewise.
	* elf/dl-support.c: Likewise.
	* elf/dl-writev.h: Likewise.
	* elf/rtld.c: Likewise.
	* grp/fgetgrent.c: Likewise.
	* gshadow/fgetsgent.c: Likewise.
	* gshadow/sgetsgent.c: Likewise.
	* iconv/gconv_conf.c: Likewise.
	* iconv/gconv_db.c: Likewise.
	* iconv/gconv_dl.c: Likewise.
	* iconv/gconv_int.h: Likewise.
	* iconv/gconv_trans.c: Likewise.
	* include/link.h: Likewise.
	* inet/getnameinfo.c: Likewise.
	* inet/getnetgrent.c: Likewise.
	* inet/getnetgrent_r.c: Likewise.
	* intl/bindtextdom.c: Likewise.
	* intl/dcigettext.c: Likewise.
	* intl/finddomain.c: Likewise.
	* intl/gettextP.h: Likewise.
	* intl/loadmsgcat.c: Likewise.
	* intl/localealias.c: Likewise.
	* intl/textdomain.c: Likewise.
	* libidn/idn-stub.c: Likewise.
	* libio/libioP.h: Likewise.
	* locale/duplocale.c: Likewise.
	* locale/freelocale.c: Likewise.
	* locale/newlocale.c: Likewise.
	* locale/setlocale.c: Likewise.
	* login/getutent_r.c: Likewise.
	* login/getutid_r.c: Likewise.
	* login/getutline_r.c: Likewise.
	* login/utmp-private.h: Likewise.
	* login/utmpname.c: Likewise.
	* malloc/mtrace.c: Likewise.
	* misc/efgcvt.c: Likewise.
	* misc/error.c: Likewise.
	* misc/fstab.c: Likewise.
	* misc/getpass.c: Likewise.
	* misc/mntent.c: Likewise.
	* misc/syslog.c: Likewise.
	* nis/nis_call.c: Likewise.
	* nis/nis_callback.c: Likewise.
	* nis/nss-default.c: Likewise.
	* nis/nss_compat/compat-grp.c: Likewise.
	* nis/nss_compat/compat-initgroups.c: Likewise.
	* nis/nss_compat/compat-pwd.c: Likewise.
	* nis/nss_compat/compat-spwd.c: Likewise.
	* nis/nss_nis/nis-alias.c: Likewise.
	* nis/nss_nis/nis-ethers.c: Likewise.
	* nis/nss_nis/nis-grp.c: Likewise.
	* nis/nss_nis/nis-hosts.c: Likewise.
	* nis/nss_nis/nis-network.c: Likewise.
	* nis/nss_nis/nis-proto.c: Likewise.
	* nis/nss_nis/nis-pwd.c: Likewise.
	* nis/nss_nis/nis-rpc.c: Likewise.
	* nis/nss_nis/nis-service.c: Likewise.
	* nis/nss_nis/nis-spwd.c: Likewise.
	* nis/nss_nisplus/nisplus-alias.c: Likewise.
	* nis/nss_nisplus/nisplus-ethers.c: Likewise.
	* nis/nss_nisplus/nisplus-grp.c: Likewise.
	* nis/nss_nisplus/nisplus-hosts.c: Likewise.
	* nis/nss_nisplus/nisplus-initgroups.c: Likewise.
	* nis/nss_nisplus/nisplus-network.c: Likewise.
	* nis/nss_nisplus/nisplus-proto.c: Likewise.
	* nis/nss_nisplus/nisplus-pwd.c: Likewise.
	* nis/nss_nisplus/nisplus-rpc.c: Likewise.
	* nis/nss_nisplus/nisplus-service.c: Likewise.
	* nis/nss_nisplus/nisplus-spwd.c: Likewise.
	* nis/ypclnt.c: Likewise.
	* nptl/libc_pthread_init.c: Likewise.
	* nss/getXXbyYY.c: Likewise.
	* nss/getXXent.c: Likewise.
	* nss/getXXent_r.c: Likewise.
	* nss/nss_db/db-XXX.c: Likewise.
	* nss/nss_db/db-netgrp.c: Likewise.
	* nss/nss_db/nss_db.h: Likewise.
	* nss/nss_files/files-XXX.c: Likewise.
	* nss/nss_files/files-alias.c: Likewise.
	* nss/nsswitch.c: Likewise.
	* posix/regex_internal.h: Likewise.
	* posix/wordexp.c: Likewise.
	* pwd/fgetpwent.c: Likewise.
	* resolv/res_hconf.c: Likewise.
	* resolv/res_libc.c: Likewise.
	* shadow/fgetspent.c: Likewise.
	* shadow/lckpwdf.c: Likewise.
	* shadow/sgetspent.c: Likewise.
	* socket/opensock.c: Likewise.
	* stdio-common/reg-modifier.c: Likewise.
	* stdio-common/reg-printf.c: Likewise.
	* stdio-common/reg-type.c: Likewise.
	* stdio-common/vfprintf.c: Likewise.
	* stdio-common/vfscanf.c: Likewise.
	* stdlib/abort.c: Likewise.
	* stdlib/cxa_atexit.c: Likewise.
	* stdlib/fmtmsg.c: Likewise.
	* stdlib/random.c: Likewise.
	* stdlib/setenv.c: Likewise.
	* string/strsignal.c: Likewise.
	* sunrpc/auth_none.c: Likewise.
	* sunrpc/bindrsvprt.c: Likewise.
	* sunrpc/create_xid.c: Likewise.
	* sunrpc/key_call.c: Likewise.
	* sunrpc/rpc_thread.c: Likewise.
	* sysdeps/arm/backtrace.c: Likewise.
	* sysdeps/generic/ldsodefs.h: Likewise.
	* sysdeps/generic/stdio-lock.h: Likewise.
	* sysdeps/generic/unwind-dw2-fde.c: Likewise.
	* sysdeps/i386/backtrace.c: Likewise.
	* sysdeps/ieee754/ldbl-opt/nldbl-compat.c: Likewise.
	* sysdeps/m68k/backtrace.c: Likewise.
	* sysdeps/mach/hurd/cthreads.c: Likewise.
	* sysdeps/mach/hurd/dirstream.h: Likewise.
	* sysdeps/mach/hurd/malloc-machine.h: Likewise.
	* sysdeps/nptl/malloc-machine.h: Likewise.
	* sysdeps/nptl/stdio-lock.h: Likewise.
	* sysdeps/posix/dirstream.h: Likewise.
	* sysdeps/posix/getaddrinfo.c: Likewise.
	* sysdeps/posix/system.c: Likewise.
	* sysdeps/pthread/aio_suspend.c: Likewise.
	* sysdeps/s390/s390-32/backtrace.c: Likewise.
	* sysdeps/s390/s390-64/backtrace.c: Likewise.
	* sysdeps/unix/sysv/linux/check_pf.c: Likewise.
	* sysdeps/unix/sysv/linux/if_index.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/getutent_r.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/getutid_r.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/getutline_r.c: Likewise.
	* sysdeps/unix/sysv/linux/shm-directory.c: Likewise.
	* sysdeps/unix/sysv/linux/system.c: Likewise.
	* sysdeps/x86_64/backtrace.c: Likewise.
	* time/alt_digit.c: Likewise.
	* time/era.c: Likewise.
	* time/tzset.c: Likewise.
	* wcsmbs/wcsmbsload.c: Likewise.
	* nptl/tst-initializers1.c (do_test): Refer to <libc-lock.h>
	instead of <bits/libc-lock.h> in comment.
 2015-09-08 21:11:03 +00:00
Florian Weimer
0f87de79e9 vfprintf: Remove label name switching for the jump table 
Different labels are no longer needed because the tables are now in
separate functions.
 2015-05-21 16:48:46 +02:00
Florian Weimer
f8194fa6f9 vfprintf: Introduce printf_positional function 
This splits a considerable chunk of code from the main vfprintf
function.  This will make it easier to remove the use of extend_alloca
from the positional argument handling code.
 2015-05-21 16:46:46 +02:00
Florian Weimer
f0f98189d8 vfprintf: Move jump table definition and the macros out of function 
The second jump table will be moved to a separate function
in the next commit.
 2015-05-21 16:45:09 +02:00
Florian Weimer
1597b7447a vfprintf: Define WORK_BUFFER_SIZE 
This constant will allow us to refer to the number of elements in
work_buffer across a function call boundary.
 2015-03-06 11:06:33 +01:00
Florian Weimer
627e7a5f5b vfprintf: Introduce JUMP_TABLE_BASE_LABEL 
This makes the offset handling more explicit and avoids
cross-references between the jump tables.
 2015-03-06 10:29:49 +01:00
Florian Weimer
d176a41a62 vfprintf: Introduce THOUSANDS_SEP_T 
This avoids preprocessor conditionals in function declarations.
 2015-03-06 10:26:58 +01:00
Joseph Myers
b168057aaa Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
Jeff Law
a5357b7ce2 CVE-2012-3406: Stack overflow in vfprintf [BZ #16617] 
A larger number of format specifiers coudld cause a stack overflow,
potentially allowing to bypass _FORTIFY_SOURCE format string
protection.
 2014-12-15 10:09:33 +01:00
Andreas Schwab
4fdfe821e2 Correctly handle %p in wprintf (BZ #16890) 2014-05-01 20:42:08 +02:00
Will Newton
c15cf13a8a Revert "Fix _IO_JUMPS_OFFSET -Wundef warnings" 
This reverts commit f7efd7c3df.
 2014-03-17 20:37:42 +00:00
Will Newton
f7efd7c3df Fix _IO_JUMPS_OFFSET -Wundef warnings 
ChangeLog:

2014-03-17  Will Newton  <will.newton@linaro.org>

	* libio/genops.c: Check whether
	_IO_JUMPS_OFFSET is defined with #ifdef rather
	than #if.
	* libio/libioP.h: Likewise.
	* stdio-common/vfprintf.c: Likewise.
 2014-03-17 16:05:23 +00:00
Ondřej Bílka
94c8a4bc57 Fix integer overflow in vfwprintf. Fixes bug 14286. 2014-01-07 12:05:32 +01:00
Allan McRae
d4697bc93d Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
Eric Biggers
3d110c7c6e Fix fwrite() reading beyond end of buffer in error path 
Partially revert commits 2b766585f9 and
de2fd463b1, which were intended to fix BZ#11741
but caused another, likely worse bug, namely that fwrite() and fputs() could,
in an error path, read data beyond the end of the specified buffer, and
potentially even write this data to the file.

Fix BZ#11741 properly by checking the return value from _IO_padn() in
stdio-common/vfprintf.c.
 2013-10-11 22:29:38 +05:30
Joseph Myers
2e09a79ada Avoid use of "register" as optimization hint. 2013-06-07 22:24:35 +00:00
Paul Pluzhnikov
e1b42695ea Replace __builtin_expect(..., 0) with __glibc_unlikely(). 2013-03-05 21:38:19 -08:00
Paul Pluzhnikov
cdcf361fda * stdio-common/vfprintf.c (vfprintf): Check malloc return; don't 
call free(NULL).
 2013-03-05 13:44:33 -08:00
Joseph Myers
70d9946a44 Remove __ptrvalue, __bounded and __unbounded. 2013-02-13 23:30:40 +00:00
Joseph Myers
568035b787 Update copyright notices with scripts/update-copyrights. 2013-01-02 19:05:09 +00:00
Siddhesh Poyarekar
2b766585f9 printf should return negative value on error 
[BZ #11741]
Fixed bug where printf and family may return a spurious success when
printing padded formats.
 2012-11-16 19:13:11 +05:30
Jeff Law
715a900c90 2012-09-28 Andreas Schwab <schwab@linux-m68k.org> 
[BZ #6530]
        * stdio-common/vfprintf.c (process_string_arg): Revert
        2000-07-22 change.

2011-09-28  Jonathan Nieder  <jrnieder@gmail.com>

        * stdio-common/Makefile (tst-sprintf-ENV): Set environment
        for testcase.
        * stdio-common/tst-sprintf.c: Include <locale.h>
        (main): Test sprintf's handling of incomplete multibyte
        characters.
 2012-09-28 12:49:51 -06:00
Andreas Schwab
d18ea0c5e6 Remove use of INTDEF/INTUSE in libio 2012-05-24 23:06:20 +02:00
David S. Miller
135ffda8b8 Tighten up vfprintf width, precision, and total length overflow handling. 
With help from Paul Eggert, Carlos O'Donell, and Roland McGrath.
	* stdio-common/printf-parse.h (read_int): Change return type to
	'int', return -1 on INT_MAX overflow.
	* stdio-common/vfprintf.c (vfprintf): Validate width and precision
	against overflow of INT_MAX.  Set errno to EOVERFLOW when 'done'
	overflows INT_MAX.  Check for overflow of in-format-string precision
	values properly.  Use EOVERFLOW rather than ERANGE throughout.  Use
	SIZE_MAX not INT_MAX for integer overflow test.
	* stdio-common/printf-parsemb.c: If read_int signals an overflow,
	skip the construct in the format string but do not record anything.
	* stdio-common/bug22.c: Adjust to test both width/prevision
	INT_MAX overflow as well as total length INT_MAX overflow.  Check
	explicitly for proper errno values.
 2012-04-02 14:31:19 -07:00
H.J. Lu
eb96ffb07d Move stdio-common/_itoa.h to sysdeps/generic 2012-03-20 16:00:23 -07:00
Ulrich Drepper
f72ed77d71 Formatting fixes 2012-03-06 21:45:53 -05:00
Kees Cook
fa0355175d 2012-03-02 Kees Cook <keescook@chromium.org> 
* stdio-common/vfprintf.c (vfprintf): add missing errno settings.
 2012-03-05 10:18:17 +01:00
Kees Cook
7c1f4834d3 2012-03-02 Kees Cook <keescook@chromium.org> 
[BZ #13656]
        * stdio-common/vfprintf.c (vfprintf): Check for nargs overflow and
        possibly allocate from heap instead of stack.
        * stdio-common/bug-vfprintf-nargs.c: New file.
        * stdio-common/Makefile (tests): Add nargs overflow test.
 2012-03-05 10:17:22 +01:00
Paul Eggert
59ba27a63a Replace FSF snail mail address with URLs. 2012-02-09 23:18:22 +00:00
Ulrich Drepper
a4647e727a Fix extension of array in extended printf format handling 2011-12-17 21:27:25 -05:00
Ulrich Drepper
aec84f5395 Set stream errors in more cases 
Also avoid unnecessarily setting errno when testing for TTY.
 2011-05-21 00:42:06 -04:00
Petr Baudis
84a4211850 Fix allocation when handling positional parameters in printf. 2011-02-20 07:59:49 -05:00
Ulrich Drepper
07eb4b716e Always allow overwriting printf modifiers etc. 2010-12-24 19:28:32 -05:00
Andreas Schwab
199eb0de8d Check for integer overflows in formatting functions 2009-09-29 06:11:59 -07:00