| /* |
| * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com> |
| * Copyright (c) 2017-2018 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 <arpa/inet.h> |
| #include "test_nlattr.h" |
| #ifdef HAVE_LINUX_IF_ADDR_H |
| # include <linux/if_addr.h> |
| #endif |
| #include <linux/rtnetlink.h> |
| |
| #define IFA_FLAGS 8 |
| |
| #define SET_IFA_FAMILY(af) \ |
| do { \ |
| ifa_family = af; \ |
| ifa_family_str = #af; \ |
| } \ |
| while (0) |
| |
| uint8_t ifa_family; |
| const char *ifa_family_str; |
| |
| 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 = ifa_family, |
| .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=%s" |
| ", ifa_prefixlen=0" |
| ", ifa_flags=IFA_F_SECONDARY" |
| ", ifa_scope=RT_SCOPE_UNIVERSE" |
| ", ifa_index=" IFINDEX_LO_STR "}", |
| msg_len, ifa_family_str); |
| } |
| |
| int |
| main(void) |
| { |
| skip_if_unavailable("/proc/self/fd/"); |
| |
| static const char address4[] = "12.34.56.78"; |
| static const char address6[] = "12:34:56:78:90:ab:cd:ef"; |
| static const struct ifa_cacheinfo ci = { |
| .ifa_prefered = 0xabcdefac, |
| .ifa_valid = 0xbcdadbca, |
| .cstamp = 0xcdabedba, |
| .tstamp = 0xdebabdac |
| }; |
| |
| struct in_addr a4; |
| struct in6_addr a6; |
| const uint32_t ifa_flags = IFA_F_SECONDARY | IFA_F_PERMANENT; |
| |
| const int fd = create_nl_socket(NETLINK_ROUTE); |
| const unsigned int hdrlen = sizeof(struct ifaddrmsg); |
| void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), |
| NLA_HDRLEN + MAX(sizeof(ci), sizeof(a6))); |
| |
| static char pattern[4096]; |
| fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1); |
| |
| SET_IFA_FAMILY(AF_UNSPEC); |
| const unsigned int nla_type = 0xffff & NLA_TYPE_MASK; |
| char nla_type_str[256]; |
| sprintf(nla_type_str, "%#x /* IFA_??? */", nla_type); |
| TEST_NLATTR_(fd, nlh0, hdrlen, |
| init_ifaddrmsg, print_ifaddrmsg, |
| nla_type, nla_type_str, |
| 4, pattern, 4, |
| print_quoted_hex(pattern, 4)); |
| |
| TEST_NLATTR(fd, nlh0, hdrlen, |
| init_ifaddrmsg, print_ifaddrmsg, |
| IFA_ADDRESS, 4, pattern, 4, |
| print_quoted_hex(pattern, 4)); |
| |
| SET_IFA_FAMILY(AF_INET); |
| |
| if (!inet_pton(AF_INET, address4, &a4)) |
| perror_msg_and_skip("inet_pton"); |
| |
| TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, |
| init_ifaddrmsg, print_ifaddrmsg, |
| IFA_ADDRESS, pattern, a4, |
| printf("%s", address4)); |
| |
| SET_IFA_FAMILY(AF_INET6); |
| |
| if (!inet_pton(AF_INET6, address6, &a6)) |
| perror_msg_and_skip("inet_pton"); |
| |
| TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, |
| init_ifaddrmsg, print_ifaddrmsg, |
| IFA_ADDRESS, pattern, a6, |
| printf("%s", address6)); |
| |
| TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, |
| init_ifaddrmsg, print_ifaddrmsg, |
| IFA_CACHEINFO, pattern, ci, |
| PRINT_FIELD_U("{", ci, ifa_prefered); |
| PRINT_FIELD_U(", ", ci, ifa_valid); |
| PRINT_FIELD_U(", ", ci, cstamp); |
| PRINT_FIELD_U(", ", ci, tstamp); |
| printf("}")); |
| |
| TEST_NLATTR_OBJECT(fd, nlh0, hdrlen, |
| init_ifaddrmsg, print_ifaddrmsg, |
| IFA_FLAGS, pattern, ifa_flags, |
| printf("IFA_F_SECONDARY|IFA_F_PERMANENT")); |
| |
| puts("+++ exited with 0 +++"); |
| return 0; |
| } |