130 lines
3.4 KiB
C
130 lines
3.4 KiB
C
/* Check DT_AUDIT with dlmopen.
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Copyright (C) 2021-2022 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 <array_length.h>
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#include <getopt.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <gnu/lib-names.h>
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#include <support/capture_subprocess.h>
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#include <support/check.h>
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#include <support/xdlfcn.h>
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#include <support/xstdio.h>
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#include <support/support.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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static int
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handle_restart (void)
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{
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{
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void *h = xdlmopen (LM_ID_NEWLM, LIBC_SO, RTLD_NOW);
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pid_t (*s) (void) = xdlsym (h, "getpid");
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TEST_COMPARE (s (), getpid ());
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xdlclose (h);
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}
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{
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void *h = xdlmopen (LM_ID_NEWLM, "tst-audit18mod.so", RTLD_NOW);
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int (*foo) (void) = xdlsym (h, "foo");
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TEST_COMPARE (foo (), 10);
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xdlclose (h);
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}
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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 our fource 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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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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setenv ("LD_AUDIT", "tst-auditmod18.so", 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-audit18", 0, sc_allow_stderr);
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struct
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{
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const char *name;
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bool found;
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} audit_iface[] =
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{
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{ "la_version", false },
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{ "la_objsearch", false },
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{ "la_activity", false },
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{ "la_objopen", false },
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{ "la_objclose", false },
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{ "la_preinit", false },
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#if __WORDSIZE == 32
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{ "la_symbind32", false },
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#elif __WORDSIZE == 64
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{ "la_symbind64", false },
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#endif
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};
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/* Some hooks are called more than once but the test only check if any
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is called at least once. */
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FILE *out = fmemopen (result.err.buffer, result.err.length, "r");
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TEST_VERIFY (out != NULL);
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char *buffer = NULL;
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size_t buffer_length = 0;
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while (xgetline (&buffer, &buffer_length, out))
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{
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for (int i = 0; i < array_length (audit_iface); i++)
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if (strncmp (buffer, audit_iface[i].name,
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strlen (audit_iface[i].name)) == 0)
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audit_iface[i].found = true;
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}
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free (buffer);
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xfclose (out);
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for (int i = 0; i < array_length (audit_iface); i++)
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TEST_COMPARE (audit_iface[i].found, true);
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support_capture_subprocess_free (&result);
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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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