* tests/nlattr_netlink_diag.c: New file. * tests/gen_tests.in (nlattr_netlink_diag): New entry. * tests/pure_executables.list: Add nlattr_netlink_diag. * tests/.gitignore: Likewise. --- tests/.gitignore | 1 + tests/gen_tests.in | 1 + tests/nlattr_netlink_diag.c | 239 ++++++++++++++++++++++++++++++++++++++++++++ tests/pure_executables.list | 1 + 4 files changed, 242 insertions(+) create mode 100644 tests/nlattr_netlink_diag.c
diff --git a/tests/.gitignore b/tests/.gitignore index af7cad7..04d75cd 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -211,6 +211,7 @@ netlink_xfrm newfstatat nlattr nlattr_inet_diag +nlattr_netlink_diag nsyscalls old_mmap oldfstat diff --git a/tests/gen_tests.in b/tests/gen_tests.in index ad7d0b8..b5cad20 100644 --- a/tests/gen_tests.in +++ b/tests/gen_tests.in @@ -194,6 +194,7 @@ netlink_xfrm +netlink_sock_diag.test newfstatat -a32 -v -P stat.sample -P /dev/full nlattr +netlink_sock_diag.test nlattr_inet_diag +netlink_sock_diag.test +nlattr_netlink_diag +netlink_sock_diag.test old_mmap -a11 -e trace=mmap oldfstat -a18 -v -P stat.sample oldlstat -a32 -v -P stat.sample -P /dev/full diff --git a/tests/nlattr_netlink_diag.c b/tests/nlattr_netlink_diag.c new file mode 100644 index 0000000..0493dc1 --- /dev/null +++ b/tests/nlattr_netlink_diag.c @@ -0,0 +1,239 @@ +/* + * Copyright (c) 2017 JingPiao Chen <chenjingp...@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 <stdint.h> +#include <stdio.h> +#include <string.h> +#include <sys/socket.h> +#include <linux/netlink.h> +#include <linux/netlink_diag.h> +#include <linux/rtnetlink.h> +#include <linux/sock_diag.h> + +#if !defined NETLINK_SOCK_DIAG && defined NETLINK_INET_DIAG +# define NETLINK_SOCK_DIAG NETLINK_INET_DIAG +#endif + +static void +test_netlink_diag_groups(const int fd) +{ + struct nlmsghdr *nlh; + struct netlink_diag_msg *msg; + struct nlattr *nla; + unsigned long *groups; + int nla_len; + unsigned int msg_len; + void *const nlh0 = tail_alloc(NLMSG_SPACE(sizeof(*msg))); + long rc; + + nla_len = NLA_HDRLEN + sizeof(*groups) * 2; + msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len; + nlh = nlh0 - nla_len; + SET_STRUCT(struct nlmsghdr, nlh, + .nlmsg_len = msg_len, + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP + ); + + msg = NLMSG_DATA(nlh); + *msg = (struct netlink_diag_msg) { + .ndiag_family = AF_NETLINK, + .ndiag_type = SOCK_RAW, + .ndiag_protocol = NETLINK_ROUTE, + .ndiag_state = NETLINK_CONNECTED, + }; + + nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg)); + *nla = (struct nlattr) { + .nla_len = nla_len, + .nla_type = NETLINK_DIAG_GROUPS + }; + groups = RTA_DATA(nla); + groups[0] = (unsigned long) 0xdeadbeefbadc0dedULL; + groups[1] = (unsigned long) 0xdeadbeefbadc0dedULL; + + rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, {ndiag_family=AF_NETLINK" + ", ndiag_type=SOCK_RAW, ndiag_protocol=NETLINK_ROUTE" + ", ndiag_state=NETLINK_CONNECTED, ndiag_portid=0" + ", ndiag_dst_portid=0, ndiag_dst_group=0, ndiag_ino=0" + ", ndiag_cookie=[0, 0]}, {{nla_len=%u" + ", nla_type=NETLINK_DIAG_GROUPS}, [%#lx, %#lx]}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, msg_len, nla->nla_len, groups[0], groups[1], + msg_len, sprintrc(rc)); +} + +static void +test_netlink_diag_rx_ring(const int fd) +{ + struct nlmsghdr *nlh; + struct netlink_diag_msg *msg; + struct nlattr *nla; + struct netlink_diag_ring *ndr; + int nla_len; + unsigned int msg_len; + void *const nlh0 = tail_alloc(NLMSG_SPACE(sizeof(*msg))); + long rc; + + /* len < sizeof(*ndr) */ + nla_len = NLA_HDRLEN + 2; + msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len; + nlh = nlh0 - nla_len; + SET_STRUCT(struct nlmsghdr, nlh, + .nlmsg_len = msg_len, + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP + ); + + msg = NLMSG_DATA(nlh); + *msg = (struct netlink_diag_msg) { + .ndiag_family = AF_NETLINK, + .ndiag_type = SOCK_RAW, + .ndiag_protocol = NETLINK_ROUTE, + .ndiag_state = NETLINK_CONNECTED, + }; + + nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg)); + *nla = (struct nlattr) { + .nla_len = nla_len, + .nla_type = NETLINK_DIAG_RX_RING + }; + memcpy(RTA_DATA(nla), "12", 2); + + rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, {ndiag_family=AF_NETLINK" + ", ndiag_type=SOCK_RAW, ndiag_protocol=NETLINK_ROUTE" + ", ndiag_state=NETLINK_CONNECTED, ndiag_portid=0" + ", ndiag_dst_portid=0, ndiag_dst_group=0, ndiag_ino=0" + ", ndiag_cookie=[0, 0]}, {{nla_len=%u" + ", nla_type=NETLINK_DIAG_RX_RING}, \"12\"}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, msg_len, nla->nla_len, msg_len, sprintrc(rc)); + + /* short read of netlink_diag_ring */ + nla_len = NLA_HDRLEN + sizeof(*ndr); + msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len; + nlh = nlh0 - (nla_len - 1); + SET_STRUCT(struct nlmsghdr, nlh, + .nlmsg_len = msg_len, + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP + ); + + msg = NLMSG_DATA(nlh); + *msg = (struct netlink_diag_msg) { + .ndiag_family = AF_NETLINK, + .ndiag_type = SOCK_RAW, + .ndiag_protocol = NETLINK_ROUTE, + .ndiag_state = NETLINK_CONNECTED, + }; + + nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg)); + *nla = (struct nlattr) { + .nla_len = nla_len, + .nla_type = NETLINK_DIAG_RX_RING + }; + + rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, {ndiag_family=AF_NETLINK" + ", ndiag_type=SOCK_RAW, ndiag_protocol=NETLINK_ROUTE" + ", ndiag_state=NETLINK_CONNECTED, ndiag_portid=0" + ", ndiag_dst_portid=0, ndiag_dst_group=0, ndiag_ino=0" + ", ndiag_cookie=[0, 0]}, {{nla_len=%u" + ", nla_type=NETLINK_DIAG_RX_RING}, %p}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, msg_len, nla->nla_len, RTA_DATA(nla), + msg_len, sprintrc(rc)); + + /* netlink_diag_ring */ + nla_len = NLA_HDRLEN + sizeof(*ndr); + msg_len = NLMSG_SPACE(sizeof(*msg)) + nla_len; + nlh = nlh0 - nla_len; + SET_STRUCT(struct nlmsghdr, nlh, + .nlmsg_len = msg_len, + .nlmsg_type = SOCK_DIAG_BY_FAMILY, + .nlmsg_flags = NLM_F_DUMP + ); + + msg = NLMSG_DATA(nlh); + *msg = (struct netlink_diag_msg) { + .ndiag_family = AF_NETLINK, + .ndiag_type = SOCK_RAW, + .ndiag_protocol = NETLINK_ROUTE, + .ndiag_state = NETLINK_CONNECTED, + }; + + nla = (void *) nlh + NLMSG_SPACE(sizeof(*msg)); + *nla = (struct nlattr) { + .nla_len = nla_len, + .nla_type = NETLINK_DIAG_RX_RING + }; + ndr = RTA_DATA(nla); + *ndr = (struct netlink_diag_ring) { + .ndr_block_size = 0xfabfabdc, + .ndr_block_nr = 0xabcdabda, + .ndr_frame_size = 0xcbadbafa, + .ndr_frame_nr = 0xdbcafadb + }; + + rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0); + + printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY" + ", flags=NLM_F_DUMP, seq=0, pid=0}, {ndiag_family=AF_NETLINK" + ", ndiag_type=SOCK_RAW, ndiag_protocol=NETLINK_ROUTE" + ", ndiag_state=NETLINK_CONNECTED, ndiag_portid=0" + ", ndiag_dst_portid=0, ndiag_dst_group=0, ndiag_ino=0" + ", ndiag_cookie=[0, 0]}, {{nla_len=%u" + ", nla_type=NETLINK_DIAG_RX_RING}, {ndr_block_size=%u" + ", ndr_block_nr=%u, ndr_frame_size=%u, ndr_frame_nr=%u}}}" + ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", + fd, msg_len, nla->nla_len, 0xfabfabdc, 0xabcdabda, + 0xcbadbafa, 0xdbcafadb, msg_len, sprintrc(rc)); +} + +int main(void) +{ + skip_if_unavailable("/proc/self/fd/"); + + int fd = create_nl_socket(NETLINK_SOCK_DIAG); + + test_netlink_diag_groups(fd); + test_netlink_diag_rx_ring(fd); + + printf("+++ exited with 0 +++\n"); + + return 0; +} diff --git a/tests/pure_executables.list b/tests/pure_executables.list index 9bbbac7..92c8feb 100755 --- a/tests/pure_executables.list +++ b/tests/pure_executables.list @@ -176,6 +176,7 @@ netlink_xfrm newfstatat nlattr nlattr_inet_diag +nlattr_netlink_diag old_mmap oldfstat oldlstat -- 2.7.4 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Strace-devel mailing list Strace-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/strace-devel