From 587cba262ef5f2c646216a972b748ca262bbbd2d Mon Sep 17 00:00:00 2001 From: "Dmitry V. Levin" Date: Sun, 10 Jul 2016 22:39:51 +0000 Subject: [PATCH] tests: check decoding of getsockname syscall * tests/getsockname.c: New file. * tests/getsockname.test: New test. * tests/sockname.c: New file. * tests/.gitignore: Add getsockname. * tests/Makefile.am (check_PROGRAMS): Likewise. (DECODER_TESTS): Add getsockname.test. (EXTRA_DIST): Add sockname.c. --- tests/.gitignore | 1 + tests/Makefile.am | 3 + tests/getsockname.c | 56 +++++++++++++++ tests/getsockname.test | 6 ++ tests/sockname.c | 160 +++++++++++++++++++++++++++++++++++++++++ 5 files changed, 226 insertions(+) create mode 100644 tests/getsockname.c create mode 100755 tests/getsockname.test create mode 100644 tests/sockname.c diff --git a/tests/.gitignore b/tests/.gitignore index f5a9778c..5ed1192e 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -87,6 +87,7 @@ getresuid32 getrlimit getrusage getsid +getsockname getuid getuid32 getxxid diff --git a/tests/Makefile.am b/tests/Makefile.am index 49b89047..a9a72aad 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -143,6 +143,7 @@ check_PROGRAMS = \ getrlimit \ getrusage \ getsid \ + getsockname \ getuid \ getuid32 \ getxxid \ @@ -459,6 +460,7 @@ DECODER_TESTS = \ getrlimit.test \ getrusage.test \ getsid.test \ + getsockname.test \ getuid.test \ getuid32.test \ getxxid.test \ @@ -723,6 +725,7 @@ EXTRA_DIST = init.sh run.sh match.awk \ sigaction.awk \ sigaltstack.expected \ signalfd.expected \ + sockname.c \ statfs.expected \ statx.sh \ strace-E.expected \ diff --git a/tests/getsockname.c b/tests/getsockname.c new file mode 100644 index 00000000..66ac4e63 --- /dev/null +++ b/tests/getsockname.c @@ -0,0 +1,56 @@ +/* + * Check decoding of getsockname syscall. + * + * Copyright (c) 2016 Dmitry V. Levin + * 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. + */ + +#define TEST_SYSCALL_NAME getsockname +#include "sockname.c" + +int +main(void) +{ + int lfd = socket(AF_UNIX, SOCK_STREAM, 0); + if (lfd < 0) + perror_msg_and_skip("socket"); + + (void) unlink(TEST_SOCKET); + + const struct sockaddr_un un = { + .sun_family = AF_UNIX, + .sun_path = TEST_SOCKET + }; + + if (bind(lfd, (const void *) &un, sizeof(un))) + perror_msg_and_skip("bind"); + + test_sockname_syscall(lfd); + + (void) unlink(TEST_SOCKET); + + puts("+++ exited with 0 +++"); + return 0; +} diff --git a/tests/getsockname.test b/tests/getsockname.test new file mode 100755 index 00000000..99b28506 --- /dev/null +++ b/tests/getsockname.test @@ -0,0 +1,6 @@ +#!/bin/sh + +# Check decoding of getsockname syscall. + +. "${srcdir=.}/init.sh" +run_strace_match_diff -a27 diff --git a/tests/sockname.c b/tests/sockname.c new file mode 100644 index 00000000..56a8a36f --- /dev/null +++ b/tests/sockname.c @@ -0,0 +1,160 @@ +/* + * Check decoding of sockname family syscalls. + * + * Copyright (c) 2016 Dmitry V. Levin + * 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 +#include +#include +#include +#include +#include +#include +#include + +#ifndef TEST_SYSCALL_NAME +# error TEST_SYSCALL_NAME must be defined +#endif + +#define TEST_SYSCALL_STR__(a) #a +#define TEST_SYSCALL_STR_(a) TEST_SYSCALL_STR__(a) +#define TEST_SYSCALL_STR TEST_SYSCALL_STR_(TEST_SYSCALL_NAME) +#define TEST_SOCKET TEST_SYSCALL_STR ".socket" + +#ifdef TEST_SYSCALL_PREPARE +# define PREPARE_TEST_SYSCALL_INVOCATION do { TEST_SYSCALL_PREPARE; } while (0) +#else +# define PREPARE_TEST_SYSCALL_INVOCATION do {} while (0) +#endif + +#ifndef PREFIX_S_ARGS +# define PREFIX_S_ARGS +#endif +#ifndef PREFIX_F_ARGS +# define PREFIX_F_ARGS +#endif +#ifndef PREFIX_S_STR +# define PREFIX_S_STR "" +#endif +#ifndef PREFIX_F_STR +# define PREFIX_F_STR "" +#endif +#ifndef SUFFIX_ARGS +# define SUFFIX_ARGS +#endif +#ifndef SUFFIX_STR +# define SUFFIX_STR "" +#endif + +static void +test_sockname_syscall(const int fd) +{ + socklen_t *const plen = tail_alloc(sizeof(*plen)); + *plen = sizeof(struct sockaddr_un); + struct sockaddr_un *addr = tail_alloc(*plen); + + PREPARE_TEST_SYSCALL_INVOCATION; + int rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, (void *) addr, + plen SUFFIX_ARGS); + if (rc < 0) + perror_msg_and_skip(TEST_SYSCALL_STR); + printf("%s(%d%s, {sa_family=AF_UNIX, sun_path=\"%s\"}" + ", [%d->%d]%s) = %d\n", + TEST_SYSCALL_STR, fd, PREFIX_S_STR, addr->sun_path, + (int) sizeof(struct sockaddr_un), (int) *plen, SUFFIX_STR, rc); + + memset(addr, 0, sizeof(*addr)); + PREPARE_TEST_SYSCALL_INVOCATION; + rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, (void *) addr, + plen SUFFIX_ARGS); + if (rc < 0) + perror_msg_and_skip(TEST_SYSCALL_STR); + printf("%s(%d%s, {sa_family=AF_UNIX, sun_path=\"%s\"}" + ", [%d]%s) = %d\n", + TEST_SYSCALL_STR, fd, PREFIX_S_STR, addr->sun_path, + (int) *plen, SUFFIX_STR, rc); + + PREPARE_TEST_SYSCALL_INVOCATION; + rc = TEST_SYSCALL_NAME(fd PREFIX_F_ARGS, (void *) addr, 0 SUFFIX_ARGS); + printf("%s(%d%s, %p, NULL%s) = %d %s (%m)\n", + TEST_SYSCALL_STR, fd, PREFIX_F_STR, addr, SUFFIX_STR, rc, + errno2name()); + + PREPARE_TEST_SYSCALL_INVOCATION; + rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, 0, 0 SUFFIX_ARGS); + if (rc < 0) + printf("%s(%d%s, NULL, NULL%s) = %d %s (%m)\n", + TEST_SYSCALL_STR, fd, PREFIX_F_STR, SUFFIX_STR, rc, + errno2name()); + else + printf("%s(%d%s, NULL, NULL%s) = %d\n", + TEST_SYSCALL_STR, fd, PREFIX_S_STR, SUFFIX_STR, rc); + + PREPARE_TEST_SYSCALL_INVOCATION; + rc = TEST_SYSCALL_NAME(fd PREFIX_F_ARGS, (void *) addr, + plen + 1 SUFFIX_ARGS); + printf("%s(%d%s, %p, %p%s) = %d %s (%m)\n", + TEST_SYSCALL_STR, fd, PREFIX_F_STR, addr, + plen + 1, SUFFIX_STR, rc, errno2name()); + + const size_t offsetof_sun_path = offsetof(struct sockaddr_un, sun_path); + *plen = offsetof_sun_path; + memset(addr->sun_path, 'A', sizeof(addr->sun_path)); + + PREPARE_TEST_SYSCALL_INVOCATION; + rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, (void *) addr, + plen SUFFIX_ARGS); + if (rc < 0) + perror_msg_and_skip(TEST_SYSCALL_STR); + printf("%s(%d%s, {sa_family=AF_UNIX}, [%d->%d]%s) = %d\n", + TEST_SYSCALL_STR, fd, PREFIX_S_STR, + (int) offsetof_sun_path, (int) *plen, SUFFIX_STR, rc); + + ++addr; + *plen = sizeof(struct sockaddr); + addr = (void *) addr - *plen; + + PREPARE_TEST_SYSCALL_INVOCATION; + rc = TEST_SYSCALL_NAME(fd PREFIX_S_ARGS, (void *) addr, + plen SUFFIX_ARGS); + if (rc < 0) + perror_msg_and_skip(TEST_SYSCALL_STR); + printf("%s(%d%s, {sa_family=AF_UNIX, sun_path=\"%.*s\"}" + ", [%d->%d]%s) = %d\n", + TEST_SYSCALL_STR, fd, PREFIX_S_STR, + (int) (sizeof(struct sockaddr) - offsetof_sun_path), + addr->sun_path, (int) sizeof(struct sockaddr), + (int) *plen, SUFFIX_STR, rc); + + PREPARE_TEST_SYSCALL_INVOCATION; + rc = TEST_SYSCALL_NAME(fd PREFIX_F_ARGS, (void *) addr, + plen SUFFIX_ARGS); + printf("%s(%d%s, %p, [%d]%s) = %d %s (%m)\n", + TEST_SYSCALL_STR, fd, PREFIX_F_STR, addr, + *plen, SUFFIX_STR, rc, errno2name()); +} -- 2.40.0