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/*
* This file is part of execveat strace test.
*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/syscall.h>
#ifdef __NR_execveat
# define FILENAME "test.execveat\nfilename"
# define Q_FILENAME "test.execveat\\nfilename"
static const char * const argv[] = {
FILENAME, "first", "second", (const char *) -1L,
(const char *) -2L, (const char *) -3L
};
static const char * const q_argv[] = {
Q_FILENAME, "first", "second"
};
static const char * const envp[] = {
"foobar=1", "foo\nbar=2", (const char *) -1L,
(const char *) -2L, (const char *) -3L
};
static const char * const q_envp[] = {
"foobar=1", "foo\\nbar=2"
};
int
main(void)
{
const char ** const tail_argv = tail_memdup(argv, sizeof(argv));
const char ** const tail_envp = tail_memdup(envp, sizeof(envp));
syscall(__NR_execveat, -100, FILENAME, tail_argv, tail_envp, 0x1100);
printf("execveat(AT_FDCWD, \"%s\""
", [\"%s\", \"%s\", \"%s\", %p, %p, %p, ???]"
#ifdef VERBOSE_EXECVEAT
", [\"%s\", \"%s\", %p, %p, %p, ???]"
#else
", [/* 5 vars, unterminated */]"
#endif
", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
argv[3], argv[4], argv[5],
#ifdef VERBOSE_EXECVEAT
q_envp[0], q_envp[1], envp[2], envp[3], envp[4],
#endif
errno2name());
tail_argv[ARRAY_SIZE(q_argv)] = NULL;
tail_envp[ARRAY_SIZE(q_envp)] = NULL;
syscall(__NR_execveat, -100, FILENAME, tail_argv, tail_envp, 0x1100);
printf("execveat(AT_FDCWD, \"%s\", [\"%s\", \"%s\", \"%s\"]"
#ifdef VERBOSE_EXECVEAT
", [\"%s\", \"%s\"]"
#else
", [/* 2 vars */]"
#endif
", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
#ifdef VERBOSE_EXECVEAT
q_envp[0], q_envp[1],
#endif
errno2name());
syscall(__NR_execveat, -100, FILENAME, tail_argv + 2, tail_envp + 1, 0x1100);
printf("execveat(AT_FDCWD, \"%s\", [\"%s\"]"
#ifdef VERBOSE_EXECVEAT
", [\"%s\"]"
#else
", [/* 1 var */]"
#endif
", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
Q_FILENAME, q_argv[2],
#ifdef VERBOSE_EXECVEAT
q_envp[1],
#endif
errno2name());
char **const empty = tail_alloc(sizeof(*empty));
char **const efault = empty + 1;
*empty = NULL;
syscall(__NR_execveat, -100, FILENAME, empty, empty, 0x1100);
printf("execveat(AT_FDCWD, \"%s\", []"
#ifdef VERBOSE_EXECVEAT
", []"
#else
", [/* 0 vars */]"
#endif
", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
Q_FILENAME, errno2name());
char str_a[] = "012345678901234567890123456789012";
char str_b[] = "_abcdefghijklmnopqrstuvwxyz()[]{}";
#define DEFAULT_STRLEN ((unsigned int) sizeof(str_a) - 2)
char **const a = tail_alloc(sizeof(*a) * (DEFAULT_STRLEN + 2));
char **const b = tail_alloc(sizeof(*b) * (DEFAULT_STRLEN + 2));
unsigned int i;
for (i = 0; i <= DEFAULT_STRLEN; ++i) {
a[i] = &str_a[i];
b[i] = &str_b[i];
}
a[i] = b[i] = NULL;
syscall(__NR_execveat, -100, FILENAME, a, b, 0x1100);
printf("execveat(AT_FDCWD, \"%s\", [\"%.*s\"...", Q_FILENAME, DEFAULT_STRLEN, a[0]);
for (i = 1; i < DEFAULT_STRLEN; ++i)
printf(", \"%s\"", a[i]);
#ifdef VERBOSE_EXECVEAT
printf(", \"%s\"", a[i]);
#else
printf(", ...");
#endif
#ifdef VERBOSE_EXECVEAT
printf("], [\"%.*s\"...", DEFAULT_STRLEN, b[0]);
for (i = 1; i <= DEFAULT_STRLEN; ++i)
printf(", \"%s\"", b[i]);
#else
printf("], [/* %u vars */", DEFAULT_STRLEN + 1);
#endif
printf("], AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
errno2name());
syscall(__NR_execveat, -100, FILENAME, a + 1, b + 1, 0x1100);
printf("execveat(AT_FDCWD, \"%s\", [\"%s\"", Q_FILENAME, a[1]);
for (i = 2; i <= DEFAULT_STRLEN; ++i)
printf(", \"%s\"", a[i]);
#ifdef VERBOSE_EXECVEAT
printf("], [\"%s\"", b[1]);
for (i = 2; i <= DEFAULT_STRLEN; ++i)
printf(", \"%s\"", b[i]);
#else
printf("], [/* %d vars */", DEFAULT_STRLEN);
#endif
printf("], AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
errno2name());
syscall(__NR_execveat, -100, FILENAME, NULL, efault, 0x1100);
printf("execveat(AT_FDCWD, \"%s\", NULL, %p"
", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
Q_FILENAME, efault, errno2name());
syscall(__NR_execveat, -100, FILENAME, efault, NULL, 0x1100);
printf("execveat(AT_FDCWD, \"%s\", %p, NULL"
", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
Q_FILENAME, efault, errno2name());
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_execveat")
#endif
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