1 /* 2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com> 3 * Copyright (c) 2017 The strace developers. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "tests.h" 30 31 #ifdef HAVE_STRUCT_IFADDRLBLMSG 32 33 # include <stdio.h> 34 # include "test_nlattr.h" 35 # include <linux/if_addrlabel.h> 36 # include <linux/rtnetlink.h> 37 38 static void 39 init_ifaddrlblmsg(struct nlmsghdr *const nlh, const unsigned int msg_len) 40 { 41 SET_STRUCT(struct nlmsghdr, nlh, 42 .nlmsg_len = msg_len, 43 .nlmsg_type = RTM_GETADDRLABEL, 44 .nlmsg_flags = NLM_F_DUMP 45 ); 46 47 struct ifaddrlblmsg *const msg = NLMSG_DATA(nlh); 48 SET_STRUCT(struct ifaddrlblmsg, msg, 49 .ifal_family = AF_UNIX, 50 .ifal_index = ifindex_lo() 51 ); 52 } 53 54 static void 55 print_ifaddrlblmsg(const unsigned int msg_len) 56 { 57 printf("{len=%u, type=RTM_GETADDRLABEL, flags=NLM_F_DUMP" 58 ", seq=0, pid=0}, {ifal_family=AF_UNIX" 59 ", ifal_prefixlen=0, ifal_flags=0" 60 ", ifal_index=" IFINDEX_LO_STR 61 ", ifal_seq=0}", 62 msg_len); 63 } 64 65 int 66 main(void) 67 { 68 skip_if_unavailable("/proc/self/fd/"); 69 70 const int fd = create_nl_socket(NETLINK_ROUTE); 71 const unsigned int hdrlen = sizeof(struct ifaddrlblmsg); 72 void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen)); 73 74 static char pattern[4096]; 75 fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1); 76 77 const unsigned int nla_type = 0xffff & NLA_TYPE_MASK; 78 char nla_type_str[256]; 79 sprintf(nla_type_str, "%#x /* IFAL_??? */", nla_type); 80 TEST_NLATTR_(fd, nlh0, hdrlen, 81 init_ifaddrlblmsg, print_ifaddrlblmsg, 82 nla_type, nla_type_str, 83 4, pattern, 4, 84 print_quoted_hex(pattern, 4)); 85 86 TEST_NLATTR(fd, nlh0, hdrlen, 87 init_ifaddrlblmsg, print_ifaddrlblmsg, 88 IFAL_ADDRESS, 4, pattern, 4, 89 print_quoted_hex(pattern, 4)); 90 91 puts("+++ exited with 0 +++"); 92 return 0; 93 } 94 95 #else 96 97 SKIP_MAIN_UNDEFINED("HAVE_STRUCT_IFADDRLBLMSG") 98 99 #endif 100