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elf: Update audit tests to not depend on stdout
The tst-audit14, tst-audit15 and tst-audit16 tests all have audit modules that write to stdout; the test reads from stdout to confirm what was written. This assumes the stdout is a file which is not the case when run over ssh. This patch updates the tests to use a post run cmp command to compare the output against and .exp file. This is similar to how many other tests work and it fixes the stdout limitation. Also, this means the test code can be greatly simplified. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Stafford Horne
Adhemerval Zanella
parent
4af6982e4c
commit
171ab1af56
14
elf/Makefile
14
elf/Makefile
@ -240,6 +240,10 @@ tests-execstack-yes = tst-execstack tst-execstack-needed tst-execstack-prog
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endif
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ifeq ($(have-depaudit),yes)
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tests += tst-audit14 tst-audit15 tst-audit16
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ifeq ($(run-built-tests),yes)
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tests-special += $(objpfx)tst-audit14-cmp.out $(objpfx)tst-audit15-cmp.out \
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$(objpfx)tst-audit16-cmp.out
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endif
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endif
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endif
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tests += $(tests-execstack-$(have-z-execstack))
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@ -1492,6 +1496,16 @@ $(objpfx)tst-auditmod17.so: $(objpfx)tst-auditmod17.os
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CFLAGS-.os += $(call elide-stack-protector,.os,tst-auditmod17)
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tst-audit17-ENV = LD_AUDIT=$(objpfx)tst-auditmod17.so
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$(objpfx)tst-audit14-cmp.out: tst-audit14.exp $(objpfx)tst-audit14.out
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cmp $^ > $@; \
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$(evaluate-test)
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$(objpfx)tst-audit15-cmp.out: tst-audit15.exp $(objpfx)tst-audit15.out
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cmp $^ > $@; \
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$(evaluate-test)
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$(objpfx)tst-audit16-cmp.out: tst-audit16.exp $(objpfx)tst-audit16.out
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cmp $^ > $@; \
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$(evaluate-test)
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# tst-sonamemove links against an older implementation of the library.
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LDFLAGS-tst-sonamemove-linkmod1.so = \
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-Wl,--version-script=tst-sonamemove-linkmod1.map \
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@ -16,30 +16,9 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/xstdio.h>
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static int
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do_test (void)
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{
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/* Verify what the audit module has written. This test assumes that
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standard output has been redirected to a regular file. */
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FILE *fp = xfopen ("/dev/stdout", "r");
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char *buffer = NULL;
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size_t buffer_length = 0;
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size_t line_length = xgetline (&buffer, &buffer_length, fp);
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const char *message = "info: tst-auditlogmod-1.so loaded\n";
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TEST_COMPARE_BLOB (message, strlen (message), buffer, line_length);
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/* No more audit module output. */
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line_length = xgetline (&buffer, &buffer_length, fp);
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TEST_COMPARE_BLOB ("", 0, buffer, line_length);
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free (buffer);
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xfclose (fp);
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return 0;
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}
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1
elf/tst-audit14.exp
Normal file
1
elf/tst-audit14.exp
Normal file
@ -0,0 +1 @@
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info: tst-auditlogmod-1.so loaded
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@ -1,50 +1 @@
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/* Main program with DT_AUDIT and DT_DEPAUDIT. Two audit modules.
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Copyright (C) 2020-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/xstdio.h>
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static int
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do_test (void)
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{
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/* Verify what the audit modules have written. This test assumes
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that standard output has been redirected to a regular file. */
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FILE *fp = xfopen ("/dev/stdout", "r");
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char *buffer = NULL;
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size_t buffer_length = 0;
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size_t line_length = xgetline (&buffer, &buffer_length, fp);
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const char *message = "info: tst-auditlogmod-1.so loaded\n";
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TEST_COMPARE_BLOB (message, strlen (message), buffer, line_length);
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line_length = xgetline (&buffer, &buffer_length, fp);
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message = "info: tst-auditlogmod-2.so loaded\n";
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TEST_COMPARE_BLOB (message, strlen (message), buffer, line_length);
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/* No more audit module output. */
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line_length = xgetline (&buffer, &buffer_length, fp);
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TEST_COMPARE_BLOB ("", 0, buffer, line_length);
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free (buffer);
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xfclose (fp);
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return 0;
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}
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#include <support/test-driver.c>
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#include "tst-audit14.c"
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2
elf/tst-audit15.exp
Normal file
2
elf/tst-audit15.exp
Normal file
@ -0,0 +1,2 @@
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info: tst-auditlogmod-1.so loaded
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info: tst-auditlogmod-2.so loaded
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@ -1,54 +1 @@
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/* Main program with DT_AUDIT and DT_DEPAUDIT. Three audit modules.
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Copyright (C) 2020-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/xstdio.h>
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static int
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do_test (void)
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{
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/* Verify what the audit modules have written. This test assumes
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that standard output has been redirected to a regular file. */
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FILE *fp = xfopen ("/dev/stdout", "r");
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char *buffer = NULL;
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size_t buffer_length = 0;
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size_t line_length = xgetline (&buffer, &buffer_length, fp);
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const char *message = "info: tst-auditlogmod-1.so loaded\n";
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TEST_COMPARE_BLOB (message, strlen (message), buffer, line_length);
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line_length = xgetline (&buffer, &buffer_length, fp);
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message = "info: tst-auditlogmod-2.so loaded\n";
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TEST_COMPARE_BLOB (message, strlen (message), buffer, line_length);
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line_length = xgetline (&buffer, &buffer_length, fp);
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message = "info: tst-auditlogmod-3.so loaded\n";
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TEST_COMPARE_BLOB (message, strlen (message), buffer, line_length);
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/* No more audit module output. */
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line_length = xgetline (&buffer, &buffer_length, fp);
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TEST_COMPARE_BLOB ("", 0, buffer, line_length);
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free (buffer);
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xfclose (fp);
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return 0;
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}
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#include <support/test-driver.c>
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#include "tst-audit14.c"
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3
elf/tst-audit16.exp
Normal file
3
elf/tst-audit16.exp
Normal file
@ -0,0 +1,3 @@
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info: tst-auditlogmod-1.so loaded
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info: tst-auditlogmod-2.so loaded
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info: tst-auditlogmod-3.so loaded
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