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Joseph Myers 5c112f1b62 Avoid insecure usage of tmpnam in tests. 
Various glibc testcases use tmpnam in ways subject to race conditions
(generate a temporary file name, then later open that file without
O_EXCL).

This patch fixes those tests to use mkstemp - generally a minimal
local fix to use mkstemp instead of tmpnam, rather than a larger fix
to use other testsuite infrastructure for temporary files.  The
unchanged use of tmpnam in posix/wordexp-test.c would fail safe in the
event of a race (it's generating a name for use with mkdir rather than
for a file to be opened for writing).

Tested for x86_64.

	* grp/tst_fgetgrent.c: Include <unistd.h>.
	(main): Use mkstemp instead of tmpnam.
	* io/test-utime.c (main): Likewise.
	* posix/annexc.c (macrofile): Change to modifiable array.
	(get_null_defines): Use mkstemp instead of tmpnam.  Do not remove
	macrofile here.
	* posix/bug-getopt1.c: Include <stdlib.h>.
	(do_test): Use mkstemp instead of tmpnam.
	* posix/bug-getopt2.c: Include <stdlib.h>.
	(do_test): Use mkstemp instead of tmpnam.
	* posix/bug-getopt3.c: Include <stdlib.h>.
	(do_test): Use mkstemp instead of tmpnam.
	* posix/bug-getopt4.c: Include <stdlib.h>.
	(do_test): Use mkstemp instead of tmpnam.
	* posix/bug-getopt5.c: Include <stdlib.h>.
	(do_test): Use mkstemp instead of tmpnam.
	* stdio-common/bug7.c: Include <stdlib.h> and <unistd.h>.
	(main): Use mkstemp instead of tmpnam.
	* stdio-common/tst-fdopen.c: Include <stdlib.h>.
	(main): Use mkstemp instead of tmpnam.
	* stdio-common/tst-ungetc.c: Include <stdlib.h>.
	(main): use mkstemp instead of tmpnam.
	* stdlib/isomac.c (macrofile): Change to modifiable array.
	(get_null_defines): Use mkstemp instead of tmpnam.  Do not remove
	macrofile here.
 		2018-07-18 21:04:12 +00:00
..
bits Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
Depend
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Makefile Add renameat2 function [BZ #17662] 2018-07-05 19:00:10 +02:00
Versions Add renameat2 function [BZ #17662] 2018-07-05 19:00:10 +02:00
_i18n_number.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
_itoa.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
_itowa.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
_itowa.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
asprintf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
bug-vfprintf-nargs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
bug1.c
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bug1.input
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bug2.c
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bug3.c Fix hardcoded /tmp paths in testing (bug 13888). 2018-06-26 21:48:48 +00:00
bug4.c Fix hardcoded /tmp paths in testing (bug 13888). 2018-06-26 21:48:48 +00:00
bug5.c Fix hardcoded /tmp paths in testing (bug 13888). 2018-06-26 21:48:48 +00:00
bug6.c
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bug6.input
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bug7.c Avoid insecure usage of tmpnam in tests. 2018-07-18 21:04:12 +00:00
bug8.c
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bug9.c
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bug10.c
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bug11.c
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bug12.c
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bug13.c
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bug14.c
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bug16.c stdio-common: Use array_length and array_end macros 2017-11-02 12:45:20 +01:00
bug17.c
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bug18.c
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bug18a.c
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bug19.c
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bug19a.c
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bug20.c
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bug21.c Split DIAG_* macros to new header libc-diag.h. 2017-02-25 09:59:46 -05:00
bug22.c
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bug23-2.c CVE-2012-3406: Stack overflow in vfprintf [BZ #16617] 2014-12-15 10:09:33 +01:00
bug23-3.c CVE-2012-3406: Stack overflow in vfprintf [BZ #16617] 2014-12-15 10:09:33 +01:00
bug23-4.c CVE-2012-3406: Stack overflow in vfprintf [BZ #16617] 2014-12-15 10:09:33 +01:00
bug23.c
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bug24.c
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bug25.c Another round of inclusion fixes for _ISOMAC testsuite. 2017-03-22 08:44:32 -04:00
bug26.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
ctermid.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
cuserid.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
dprintf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
errlist.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
errnobug.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
flockfile.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
fprintf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
fscanf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
ftrylockfile.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
funlockfile.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
fxprintf.c Mechanically remove _IO_ name aliases for types and constants. 2018-02-21 14:11:05 -05:00
gentempfd.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
getline.c Mechanically remove _IO_ name aliases for types and constants. 2018-02-21 14:11:05 -05:00
getw.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
isoc99_fscanf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
isoc99_scanf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
isoc99_sscanf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
isoc99_vfscanf.c Mechanically remove _IO_ name aliases for types and constants. 2018-02-21 14:11:05 -05:00
isoc99_vscanf.c Mechanically remove _IO_ name aliases for types and constants. 2018-02-21 14:11:05 -05:00
isoc99_vsscanf.c Mechanically remove _IO_ name aliases for types and constants. 2018-02-21 14:11:05 -05:00
itoa-digits.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
itoa-udigits.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
itowa-digits.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
perror.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
printf-parse.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
printf-parsemb.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
printf-parsewc.c
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printf-prs.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
printf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
printf.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
printf_fp.c Mechanically remove _IO_ name aliases for types and constants. 2018-02-21 14:11:05 -05:00
printf_fphex.c Mechanically remove _IO_ name aliases for types and constants. 2018-02-21 14:11:05 -05:00
printf_size.c Mechanically remove _IO_ name aliases for types and constants. 2018-02-21 14:11:05 -05:00
psiginfo-data.h
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psiginfo-define.h
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psiginfo.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
psignal.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
putw.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
reg-modifier.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
reg-printf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
reg-type.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
remove.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
rename.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
renameat.c Add renameat2 function [BZ #17662] 2018-07-05 19:00:10 +02:00
renameat2.c Add renameat2 function [BZ #17662] 2018-07-05 19:00:10 +02:00
scanf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
scanf1.c
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scanf2.c
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scanf3.c
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scanf4.c Split DIAG_* macros to new header libc-diag.h. 2017-02-25 09:59:46 -05:00
scanf5.c
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scanf7.c Split DIAG_* macros to new header libc-diag.h. 2017-02-25 09:59:46 -05:00
scanf8.c
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scanf9.c
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scanf10.c
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scanf11.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
scanf12.c
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scanf12.input
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scanf13.c
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scanf14.c Split DIAG_* macros to new header libc-diag.h. 2017-02-25 09:59:46 -05:00
scanf15.c Don't include <bits/stdio-lock.h> from installed <libio.h>. 2015-09-03 20:24:54 +00:00
scanf16.c
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scanf17.c Don't include <bits/stdio-lock.h> from installed <libio.h>. 2015-09-03 20:24:54 +00:00
siglist.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
snprintf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sprintf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
sscanf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
stdio_ext.h Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
stdio_lim.h.in Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tempnam.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tempname.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
temptest.c
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test-fseek.c Fix hardcoded /tmp paths in testing (bug 13888). 2018-06-26 21:48:48 +00:00
test-fwrite.c Modify several tests to use test-skeleton.c 2015-08-06 02:59:04 -04:00
test-popen.c Fix hardcoded /tmp paths in testing (bug 13888). 2018-06-26 21:48:48 +00:00
test-vfprintf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
test_rdwr.c Fix hardcoded /tmp paths in testing (bug 13888). 2018-06-26 21:48:48 +00:00
tfformat.c
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tiformat.c
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tllformat.c
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tmpfile.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tmpfile64.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tmpnam.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tmpnam_r.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-cookie.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-fdopen.c Avoid insecure usage of tmpnam in tests. 2018-07-18 21:04:12 +00:00
tst-ferror.c Modify several tests to use test-skeleton.c 2015-08-06 02:59:04 -04:00
tst-ferror.input
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tst-fgets.c Prefer https for Sourceware links 2017-11-16 11:49:26 +05:30
tst-fileno.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-fmemopen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-fmemopen2.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-fmemopen3.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-fmemopen4.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-fphex-wide.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-fphex.c stdio-common: Use array_length and array_end macros 2017-11-02 12:45:20 +01:00
tst-fseek.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-fwrite.c Prefer https for Sourceware links 2017-11-16 11:49:26 +05:30
tst-gets.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-gets.input
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tst-grouping.c
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tst-long-dbl-fphex.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-obprintf.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-perror.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-popen.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-popen2.c
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tst-printf-bz18872.sh Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-printf-round.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-printf.c stdio-common/tst-printf.c: Remove part under a non-free license [BZ #23363] 2018-07-03 18:29:16 +02:00
tst-printf.sh stdio-common/tst-printf.c: Remove part under a non-free license [BZ #23363] 2018-07-03 18:29:16 +02:00
tst-printfsz-islongdouble.c ldbl-128ibm-compat: Add printf_size 2018-07-02 10:51:01 -03:00
tst-printfsz-islongdouble.sh ldbl-128ibm-compat: Add printf_size 2018-07-02 10:51:01 -03:00
tst-printfsz.c Split DIAG_* macros to new header libc-diag.h. 2017-02-25 09:59:46 -05:00
tst-put-error.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-renameat2.c Add renameat2 function [BZ #17662] 2018-07-05 19:00:10 +02:00
tst-rndseek.c
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tst-scanf-round.c Fix scanf rounding of negative floating-point numbers (bug 23280). 2018-06-19 11:52:18 +00:00
tst-setvbuf1.c
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tst-setvbuf1.expect
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tst-sprintf.c Split DIAG_* macros to new header libc-diag.h. 2017-02-25 09:59:46 -05:00
tst-sprintf2.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-sprintf3.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-sscanf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-swprintf.c stdio-common: Use array_length and array_end macros 2017-11-02 12:45:20 +01:00
tst-swscanf.c
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tst-tmpnam.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-unbputc.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-unbputc.sh Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-ungetc.c Avoid insecure usage of tmpnam in tests. 2018-07-18 21:04:12 +00:00
tst-unlockedio.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-vfprintf-mbs-prec.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-vfprintf-user-type.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-vfprintf-width-prec.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tst-wc-printf.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tstdiomisc.c stdio-common: Use array_length and array_end macros 2017-11-02 12:45:20 +01:00
tstgetln.c Remove some unnecessary redefinitions of std symbols. 2018-02-05 19:58:01 -05:00
tstgetln.input
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tstscanf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
tstscanf.input
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vfprintf.c Remove miscellaneous debris from libio. 2018-02-21 14:39:54 -05:00
vfscanf.c Fix scanf rounding of negative floating-point numbers (bug 23280). 2018-06-19 11:52:18 +00:00
vfwprintf.c
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vfwscanf.c
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vprintf.c Update copyright dates with scripts/update-copyrights. 2018-01-01 00:32:25 +00:00
xbug.c Convert 703 function definitions to prototype style. 2015-10-16 20:21:49 +00:00