1 /* 2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao (at) gmail.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "tests.h" 29 #include <stdio.h> 30 #include <string.h> 31 #include <stdint.h> 32 #include <unistd.h> 33 #include <sys/socket.h> 34 #include "netlink.h" 35 #include <linux/xfrm.h> 36 37 static void 38 test_nlmsg_type(const int fd) 39 { 40 long rc; 41 struct nlmsghdr nlh = { 42 .nlmsg_len = sizeof(nlh), 43 .nlmsg_type = XFRM_MSG_NEWSA, 44 .nlmsg_flags = NLM_F_REQUEST, 45 }; 46 47 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 48 printf("sendto(%d, {len=%u, type=XFRM_MSG_NEWSA" 49 ", flags=NLM_F_REQUEST, seq=0, pid=0}" 50 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 51 fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc)); 52 } 53 54 static void 55 test_nlmsg_flags(const int fd) 56 { 57 long rc; 58 struct nlmsghdr nlh = { 59 .nlmsg_len = sizeof(nlh), 60 }; 61 62 nlh.nlmsg_type = XFRM_MSG_GETSA; 63 nlh.nlmsg_flags = NLM_F_DUMP; 64 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 65 printf("sendto(%d, {len=%u, type=XFRM_MSG_GETSA" 66 ", flags=NLM_F_DUMP, seq=0, pid=0}" 67 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 68 fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc)); 69 70 nlh.nlmsg_type = XFRM_MSG_NEWSA; 71 nlh.nlmsg_flags = NLM_F_REPLACE; 72 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 73 printf("sendto(%d, {len=%u, type=XFRM_MSG_NEWSA" 74 ", flags=NLM_F_REPLACE, seq=0, pid=0}" 75 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 76 fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc)); 77 78 nlh.nlmsg_type = XFRM_MSG_DELSA; 79 nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_NONREC; 80 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 81 printf("sendto(%d, {len=%u, type=XFRM_MSG_DELSA" 82 ", flags=NLM_F_ECHO|NLM_F_NONREC, seq=0, pid=0}" 83 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 84 fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc)); 85 86 nlh.nlmsg_type = XFRM_MSG_ALLOCSPI; 87 nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_REPLACE; 88 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 89 printf("sendto(%d, {len=%u, type=XFRM_MSG_ALLOCSPI" 90 ", flags=NLM_F_ECHO|%#x, seq=0, pid=0}" 91 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 92 fd, nlh.nlmsg_len, NLM_F_REPLACE, 93 (unsigned) sizeof(nlh), sprintrc(rc)); 94 } 95 96 int main(void) 97 { 98 skip_if_unavailable("/proc/self/fd/"); 99 100 int fd = create_nl_socket(NETLINK_XFRM); 101 102 test_nlmsg_type(fd); 103 test_nlmsg_flags(fd); 104 105 printf("+++ exited with 0 +++\n"); 106 107 return 0; 108 } 109
