/* * This file is part of execveat strace test. * * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org> * Copyright (c) 2015-2017 The strace developers. * 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 <asm/unistd.h> #include "scno.h" #ifdef __NR_execveat # include <stdio.h> # include <unistd.h> # 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, ???]" #if VERBOSE ", [\"%s\", \"%s\", %p, %p, %p, ???]" #else ", %p /* 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], #if VERBOSE q_envp[0], q_envp[1], envp[2], envp[3], envp[4], #else tail_envp, #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\"]" #if VERBOSE ", [\"%s\", \"%s\"]" #else ", %p /* 2 vars */" #endif ", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n", Q_FILENAME, q_argv[0], q_argv[1], q_argv[2], #if VERBOSE q_envp[0], q_envp[1], #else tail_envp, #endif errno2name()); syscall(__NR_execveat, -100, FILENAME, tail_argv + 2, tail_envp + 1, 0x1100); printf("execveat(AT_FDCWD, \"%s\", [\"%s\"]" #if VERBOSE ", [\"%s\"]" #else ", %p /* 1 var */" #endif ", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n", Q_FILENAME, q_argv[2], #if VERBOSE q_envp[1], #else tail_envp + 1, #endif errno2name()); TAIL_ALLOC_OBJECT_CONST_PTR(char *, empty); char **const efault = empty + 1; *empty = NULL; syscall(__NR_execveat, -100, FILENAME, empty, empty, 0x1100); printf("execveat(AT_FDCWD, \"%s\", []" #if VERBOSE ", []" #else ", %p /* 0 vars */" #endif ", AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m)\n", Q_FILENAME, #if !VERBOSE empty, #endif errno2name()); char *const str_a = tail_alloc(DEFAULT_STRLEN + 2); fill_memory_ex(str_a, DEFAULT_STRLEN + 1, '0', 10); str_a[DEFAULT_STRLEN + 1] = '\0'; char *const str_b = tail_alloc(DEFAULT_STRLEN + 2); fill_memory_ex(str_b, DEFAULT_STRLEN + 1, '_', 32); str_b[DEFAULT_STRLEN + 1] = '\0'; 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]); #if VERBOSE printf(", \"%s\"", a[i]); #else printf(", ..."); #endif #if VERBOSE printf("], [\"%.*s\"...", DEFAULT_STRLEN, b[0]); for (i = 1; i <= DEFAULT_STRLEN; ++i) printf(", \"%s\"", b[i]); printf("]"); #else printf("], %p /* %u vars */", b, 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]); #if VERBOSE printf("], [\"%s\"", b[1]); for (i = 2; i <= DEFAULT_STRLEN; ++i) printf(", \"%s\"", b[i]); printf("]"); #else printf("], %p /* %d vars */", b + 1, 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