* tests/nlattr_ifaddrmsg.c: New file. * tests/gen_tests.in (nlattr_ifaddrmsg): New entry. * tests/pure_executables.list: Add nlattr_ifaddrmsg. * tests/.gitignore: Likewise. --- tests/.gitignore | 1 + tests/gen_tests.in | 1 + tests/nlattr_ifaddrmsg.c | 100 ++++++++++++++++++++++++++++++++++++++++++++ tests/pure_executables.list | 1 + 4 files changed, 103 insertions(+) create mode 100644 tests/nlattr_ifaddrmsg.c
diff --git a/tests/.gitignore b/tests/.gitignore index a50b9f3..b4443a4 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -218,6 +218,7 @@ netlink_xfrm newfstatat nlattr nlattr_crypto_user_alg +nlattr_ifaddrmsg nlattr_ifinfomsg nlattr_inet_diag_msg nlattr_inet_diag_req_compat diff --git a/tests/gen_tests.in b/tests/gen_tests.in index b129a29..b3c9812 100644 --- a/tests/gen_tests.in +++ b/tests/gen_tests.in @@ -198,6 +198,7 @@ netlink_xfrm +netlink_sock_diag.test newfstatat -a32 -v -P stat.sample -P /dev/full nlattr +netlink_sock_diag.test nlattr_crypto_user_alg +netlink_sock_diag.test +nlattr_ifaddrmsg +netlink_sock_diag.test nlattr_ifinfomsg +netlink_sock_diag.test nlattr_inet_diag_msg +netlink_sock_diag.test nlattr_inet_diag_req_compat +netlink_sock_diag.test diff --git a/tests/nlattr_ifaddrmsg.c b/tests/nlattr_ifaddrmsg.c new file mode 100644 index 0000000..565d8f2 --- /dev/null +++ b/tests/nlattr_ifaddrmsg.c @@ -0,0 +1,100 @@ +/* + * 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 <stdio.h> +#include <stdint.h> +#include <sys/socket.h> +#include "test_nlattr.h" +#ifdef HAVE_LINUX_IF_ADDR_H +# include <linux/if_addr.h> +#endif +#include <linux/rtnetlink.h> + +#ifdef HAVE_IF_INDEXTONAME +/* <linux/if.h> used to conflict with <net/if.h> */ +extern unsigned int if_nametoindex(const char *); +# define IFINDEX_LO (if_nametoindex("lo")) +#else +# define IFINDEX_LO 1 +#endif + +static void +init_ifaddrmsg(struct nlmsghdr *const nlh, const unsigned int msg_len) +{ + SET_STRUCT(struct nlmsghdr, nlh, + .nlmsg_len = msg_len, + .nlmsg_type = RTM_GETADDR, + .nlmsg_flags = NLM_F_DUMP + ); + + struct ifaddrmsg *const msg = NLMSG_DATA(nlh); + SET_STRUCT(struct ifaddrmsg, msg, + .ifa_family = AF_UNIX, + .ifa_flags = IFA_F_SECONDARY, + .ifa_scope = RT_SCOPE_UNIVERSE, + .ifa_index = IFINDEX_LO + ); +} + +static void +print_ifaddrmsg(const unsigned int msg_len) +{ + printf("{len=%u, type=RTM_GETADDR, flags=NLM_F_DUMP" + ", seq=0, pid=0}, {ifa_family=AF_UNIX" + ", ifa_prefixlen=0" + ", ifa_flags=IFA_F_SECONDARY" + ", ifa_scope=RT_SCOPE_UNIVERSE" + ", ifa_index=if_nametoindex(\"lo\")}", + msg_len); +} + +int +main(void) +{ + skip_if_unavailable("/proc/self/fd/"); + + const int fd = create_nl_socket(NETLINK_ROUTE); + const unsigned int hdrlen = sizeof(struct ifaddrmsg); + void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen)); + + static char pattern[4096]; + fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1); + + char nla_type_str[256]; + sprintf(nla_type_str, "%#x /* IFA_??? */", 0xffff & NLA_TYPE_MASK); + TEST_NLATTR_(fd, nlh0, hdrlen, + init_ifaddrmsg, print_ifaddrmsg, + 0xffff & NLA_TYPE_MASK, nla_type_str, + 4, pattern, 4, + print_quoted_hex(pattern, 4)); + + puts("+++ exited with 0 +++"); + return 0; +} diff --git a/tests/pure_executables.list b/tests/pure_executables.list index e1be87c..45b259a 100755 --- a/tests/pure_executables.list +++ b/tests/pure_executables.list @@ -181,6 +181,7 @@ netlink_xfrm newfstatat nlattr nlattr_crypto_user_alg +nlattr_ifaddrmsg nlattr_ifinfomsg nlattr_inet_diag_msg nlattr_inet_diag_req_compat -- 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