diff options
Diffstat (limited to 'tests-mx32/nlattr_unix_diag_msg.c')
| -rw-r--r-- | tests-mx32/nlattr_unix_diag_msg.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/tests-mx32/nlattr_unix_diag_msg.c b/tests-mx32/nlattr_unix_diag_msg.c new file mode 100644 index 00000000..22954042 --- /dev/null +++ b/tests-mx32/nlattr_unix_diag_msg.c @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com> + * Copyright (c) 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 <stdio.h> +#include <string.h> +#include <stdint.h> +#include <sys/sysmacros.h> +#include <netinet/tcp.h> +#include "test_nlattr.h" +#include <linux/sock_diag.h> +#include <linux/unix_diag.h> + +static void +init_unix_diag_msg(struct nlmsghdr *const nlh, const unsigned int msg_len) +{ + SET_STRUCT(struct nlmsghdr, nlh, + .nlmsg_len = msg_len, + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP + ); + + struct unix_diag_msg *const msg = NLMSG_DATA(nlh); + SET_STRUCT(struct unix_diag_msg, msg, + .udiag_family = AF_UNIX, + .udiag_type = SOCK_STREAM, + .udiag_state = TCP_ESTABLISHED + ); +} + +static void +print_unix_diag_msg(const unsigned int msg_len) +{ + printf("{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX" + ", udiag_type=SOCK_STREAM, udiag_state=TCP_ESTABLISHED" + ", udiag_ino=0, udiag_cookie=[0, 0]}", + msg_len); +} + +static void +print_uint(const unsigned int *p) +{ + printf("%u", *p); +} + +int +main(void) +{ + skip_if_unavailable("/proc/self/fd/"); + + const int fd = create_nl_socket(NETLINK_SOCK_DIAG); + const unsigned int hdrlen = sizeof(struct unix_diag_msg); + void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen)); + + static char pattern[4096]; + fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1); + + static const struct unix_diag_vfs uv = { + .udiag_vfs_dev = 0xabcddafa, + .udiag_vfs_ino = 0xbafabcda + }; + TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, + init_unix_diag_msg, print_unix_diag_msg, + UNIX_DIAG_VFS, pattern, uv, + printf("{udiag_vfs_dev=makedev(%u, %u)", + major(uv.udiag_vfs_dev), + minor(uv.udiag_vfs_dev)); + PRINT_FIELD_U(", ", uv, udiag_vfs_ino); + printf("}")); + + static const struct unix_diag_rqlen rql = { + .udiag_rqueue = 0xfabdcdad, + .udiag_wqueue = 0xbacdadcf + }; + TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, + init_unix_diag_msg, print_unix_diag_msg, + UNIX_DIAG_RQLEN, pattern, rql, + PRINT_FIELD_U("{", rql, udiag_rqueue); + PRINT_FIELD_U(", ", rql, udiag_wqueue); + printf("}")); + + static const uint32_t inode[] = { 0xadbcadbc, 0xfabdcdac }; + TEST_NLATTR_ARRAY(fd, nlh0, hdrlen, + init_unix_diag_msg, print_unix_diag_msg, + UNIX_DIAG_ICONS, pattern, inode, print_uint); + + puts("+++ exited with 0 +++"); + return 0; +} |