Dmitry V. Levin
005c67a900
* tests/tests.h [!DEFAULT_STRLEN] (DEFAULT_STRLEN): New macro. * tests/mincore.c (DEFAULT_STRLEN): Remove. * tests/mmsg_name.c: Likewise. * tests/msg_control.c: Likewise. * tests/netlink_protocol.c: Likewise. * tests/nlattr.c: Likewise. * tests/nlattr_inet_diag_msg.c: Likewise. * tests/nlattr_netlink_diag_msg.c: Likewise. * tests/nlattr_unix_diag_msg.c: Likewise. * tests/printstr.c: Likewise. * tests/xattr.c: Likewise. * tests/execve.c: Likewise. (main): Initialize str_a and str_b arrays at run time. * tests/execveat.c: Likewise. Suggested-by: JingPiao Chen <chenjingpiao@gmail.com>
207 lines
6.2 KiB
C
207 lines
6.2 KiB
C
/*
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* This file is part of execveat strace test.
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*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2017 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#include "scno.h"
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#ifdef __NR_execveat
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# include <stdio.h>
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# include <unistd.h>
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# define FILENAME "test.execveat\nfilename"
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# define Q_FILENAME "test.execveat\\nfilename"
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static const char * const argv[] = {
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FILENAME, "first", "second", (const char *) -1L,
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(const char *) -2L, (const char *) -3L
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};
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static const char * const q_argv[] = {
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Q_FILENAME, "first", "second"
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};
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static const char * const envp[] = {
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"foobar=1", "foo\nbar=2", (const char *) -1L,
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(const char *) -2L, (const char *) -3L
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};
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static const char * const q_envp[] = {
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"foobar=1", "foo\\nbar=2"
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};
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int
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main(void)
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{
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const char ** const tail_argv = tail_memdup(argv, sizeof(argv));
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const char ** const tail_envp = tail_memdup(envp, sizeof(envp));
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syscall(__NR_execveat, -100, FILENAME, tail_argv, tail_envp, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\""
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", [\"%s\", \"%s\", \"%s\", %p, %p, %p, ???]"
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#if VERBOSE
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", [\"%s\", \"%s\", %p, %p, %p, ???]"
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#else
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", %p /* 5 vars, unterminated */"
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#endif
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
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argv[3], argv[4], argv[5],
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#if VERBOSE
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q_envp[0], q_envp[1], envp[2], envp[3], envp[4],
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#else
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tail_envp,
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#endif
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errno2name());
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tail_argv[ARRAY_SIZE(q_argv)] = NULL;
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tail_envp[ARRAY_SIZE(q_envp)] = NULL;
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syscall(__NR_execveat, -100, FILENAME, tail_argv, tail_envp, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", [\"%s\", \"%s\", \"%s\"]"
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#if VERBOSE
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", [\"%s\", \"%s\"]"
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#else
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", %p /* 2 vars */"
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#endif
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME, q_argv[0], q_argv[1], q_argv[2],
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#if VERBOSE
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q_envp[0], q_envp[1],
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#else
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tail_envp,
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#endif
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errno2name());
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syscall(__NR_execveat, -100, FILENAME, tail_argv + 2, tail_envp + 1, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", [\"%s\"]"
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#if VERBOSE
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", [\"%s\"]"
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#else
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", %p /* 1 var */"
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#endif
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME, q_argv[2],
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#if VERBOSE
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q_envp[1],
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#else
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tail_envp + 1,
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#endif
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errno2name());
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TAIL_ALLOC_OBJECT_CONST_PTR(char *, empty);
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char **const efault = empty + 1;
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*empty = NULL;
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syscall(__NR_execveat, -100, FILENAME, empty, empty, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", []"
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#if VERBOSE
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", []"
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#else
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", %p /* 0 vars */"
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#endif
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME,
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#if !VERBOSE
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empty,
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#endif
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errno2name());
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char *const str_a = tail_alloc(DEFAULT_STRLEN + 2);
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fill_memory_ex(str_a, DEFAULT_STRLEN + 1, '0', 10);
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str_a[DEFAULT_STRLEN + 1] = '\0';
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char *const str_b = tail_alloc(DEFAULT_STRLEN + 2);
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fill_memory_ex(str_b, DEFAULT_STRLEN + 1, '_', 32);
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str_b[DEFAULT_STRLEN + 1] = '\0';
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char **const a = tail_alloc(sizeof(*a) * (DEFAULT_STRLEN + 2));
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char **const b = tail_alloc(sizeof(*b) * (DEFAULT_STRLEN + 2));
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unsigned int i;
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for (i = 0; i <= DEFAULT_STRLEN; ++i) {
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a[i] = &str_a[i];
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b[i] = &str_b[i];
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}
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a[i] = b[i] = NULL;
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syscall(__NR_execveat, -100, FILENAME, a, b, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", [\"%.*s\"...", Q_FILENAME, DEFAULT_STRLEN, a[0]);
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for (i = 1; i < DEFAULT_STRLEN; ++i)
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printf(", \"%s\"", a[i]);
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#if VERBOSE
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printf(", \"%s\"", a[i]);
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#else
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printf(", ...");
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#endif
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#if VERBOSE
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printf("], [\"%.*s\"...", DEFAULT_STRLEN, b[0]);
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for (i = 1; i <= DEFAULT_STRLEN; ++i)
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printf(", \"%s\"", b[i]);
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printf("]");
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#else
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printf("], %p /* %u vars */", b, DEFAULT_STRLEN + 1);
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#endif
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printf(", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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errno2name());
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syscall(__NR_execveat, -100, FILENAME, a + 1, b + 1, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", [\"%s\"", Q_FILENAME, a[1]);
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for (i = 2; i <= DEFAULT_STRLEN; ++i)
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printf(", \"%s\"", a[i]);
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#if VERBOSE
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printf("], [\"%s\"", b[1]);
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for (i = 2; i <= DEFAULT_STRLEN; ++i)
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printf(", \"%s\"", b[i]);
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printf("]");
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#else
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printf("], %p /* %d vars */", b + 1, DEFAULT_STRLEN);
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#endif
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printf(", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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errno2name());
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syscall(__NR_execveat, -100, FILENAME, NULL, efault, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", NULL, %p"
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME, efault, errno2name());
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syscall(__NR_execveat, -100, FILENAME, efault, NULL, 0x1100);
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printf("execveat(AT_FDCWD, \"%s\", %p, NULL"
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", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n",
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Q_FILENAME, efault, errno2name());
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_execveat")
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#endif
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