121 lines
3.6 KiB
C
121 lines
3.6 KiB
C
/* Check LD_AUDIT and LD_BIND_NOW.
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Copyright (C) 2022 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 <errno.h>
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#include <getopt.h>
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#include <limits.h>
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#include <inttypes.h>
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#include <string.h>
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#include <stdlib.h>
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#include <support/capture_subprocess.h>
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#include <support/check.h>
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#include <support/xstdio.h>
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#include <support/support.h>
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#include <sys/auxv.h>
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static int restart;
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#define CMDLINE_OPTIONS \
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{ "restart", no_argument, &restart, 1 },
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void tst_audit25mod1_func1 (void);
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void tst_audit25mod1_func2 (void);
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void tst_audit25mod2_func1 (void);
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void tst_audit25mod2_func2 (void);
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static int
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handle_restart (void)
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{
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tst_audit25mod1_func1 ();
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tst_audit25mod1_func2 ();
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tst_audit25mod2_func1 ();
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tst_audit25mod2_func2 ();
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return 0;
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}
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static int
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do_test (int argc, char *argv[])
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{
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/* We must have either:
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- One or four parameters left if called initially:
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+ path to ld.so optional
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+ "--library-path" optional
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+ the library path optional
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+ the application name */
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if (restart)
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return handle_restart ();
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setenv ("LD_AUDIT", "tst-auditmod25.so", 0);
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char *spargv[9];
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int i = 0;
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for (; i < argc - 1; i++)
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spargv[i] = argv[i + 1];
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spargv[i++] = (char *) "--direct";
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spargv[i++] = (char *) "--restart";
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spargv[i] = NULL;
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{
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struct support_capture_subprocess result
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= support_capture_subprogram (spargv[0], spargv);
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support_capture_subprocess_check (&result, "tst-audit25a", 0,
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sc_allow_stderr);
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/* tst-audit25a and tst-audit25mod1 are built with -Wl,-z,now, but
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tst-audit25mod2 is built with -Wl,-z,lazy. So only
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tst_audit25mod4_func1 (called by tst_audit25mod2_func1) should not
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have LA_SYMB_NOPLTENTER | LA_SYMB_NOPLTEXIT. */
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TEST_COMPARE_STRING (result.err.buffer,
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"la_symbind: tst_audit25mod3_func1 1\n"
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"la_symbind: tst_audit25mod1_func1 1\n"
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"la_symbind: tst_audit25mod2_func1 1\n"
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"la_symbind: tst_audit25mod1_func2 1\n"
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"la_symbind: tst_audit25mod2_func2 1\n"
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"la_symbind: tst_audit25mod4_func1 0\n");
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support_capture_subprocess_free (&result);
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}
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{
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setenv ("LD_BIND_NOW", "1", 0);
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struct support_capture_subprocess result
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= support_capture_subprogram (spargv[0], spargv);
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support_capture_subprocess_check (&result, "tst-audit25a", 0,
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sc_allow_stderr);
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/* With LD_BIND_NOW all symbols are expected to have
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LA_SYMB_NOPLTENTER | LA_SYMB_NOPLTEXIT. Also the resolution
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order is done in breadth-first order. */
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TEST_COMPARE_STRING (result.err.buffer,
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"la_symbind: tst_audit25mod4_func1 1\n"
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"la_symbind: tst_audit25mod3_func1 1\n"
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"la_symbind: tst_audit25mod1_func1 1\n"
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"la_symbind: tst_audit25mod2_func1 1\n"
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"la_symbind: tst_audit25mod1_func2 1\n"
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"la_symbind: tst_audit25mod2_func2 1\n");
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support_capture_subprocess_free (&result);
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}
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return 0;
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}
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#define TEST_FUNCTION_ARGV do_test
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#include <support/test-driver.c>
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