1 /* 2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao (at) 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_LINUX_CRYPTOUSER_H 32 33 # include <stdio.h> 34 # include <unistd.h> 35 # include <sys/socket.h> 36 # include <linux/cryptouser.h> 37 # include "test_netlink.h" 38 39 static void 40 test_nlmsg_type(const int fd) 41 { 42 long rc; 43 struct nlmsghdr nlh = { 44 .nlmsg_len = sizeof(nlh), 45 .nlmsg_type = CRYPTO_MSG_NEWALG, 46 .nlmsg_flags = NLM_F_REQUEST, 47 }; 48 49 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 50 printf("sendto(%d, {len=%u, type=CRYPTO_MSG_NEWALG" 51 ", flags=NLM_F_REQUEST, seq=0, pid=0}" 52 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 53 fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc)); 54 } 55 56 static void 57 test_nlmsg_flags(const int fd) 58 { 59 long rc; 60 struct nlmsghdr nlh = { 61 .nlmsg_len = sizeof(nlh), 62 }; 63 64 nlh.nlmsg_type = CRYPTO_MSG_GETALG; 65 nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP; 66 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 67 printf("sendto(%d, {len=%u, type=CRYPTO_MSG_GETALG" 68 ", flags=NLM_F_REQUEST|NLM_F_DUMP, seq=0, pid=0}" 69 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 70 fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc)); 71 72 nlh.nlmsg_type = CRYPTO_MSG_NEWALG; 73 nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_REPLACE; 74 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 75 printf("sendto(%d, {len=%u, type=CRYPTO_MSG_NEWALG" 76 ", flags=NLM_F_ECHO|NLM_F_REPLACE, seq=0, pid=0}" 77 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 78 fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc)); 79 80 nlh.nlmsg_type = CRYPTO_MSG_DELALG; 81 nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_NONREC; 82 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 83 printf("sendto(%d, {len=%u, type=CRYPTO_MSG_DELALG" 84 ", flags=NLM_F_ECHO|NLM_F_NONREC, seq=0, pid=0}" 85 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 86 fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc)); 87 88 nlh.nlmsg_type = CRYPTO_MSG_UPDATEALG; 89 nlh.nlmsg_flags = NLM_F_REPLACE; 90 rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0); 91 printf("sendto(%d, {len=%u, type=CRYPTO_MSG_UPDATEALG" 92 ", flags=%#x /* NLM_F_??? */, seq=0, pid=0}" 93 ", %u, MSG_DONTWAIT, NULL, 0) = %s\n", 94 fd, nlh.nlmsg_len, NLM_F_REPLACE, 95 (unsigned) sizeof(nlh), sprintrc(rc)); 96 } 97 98 static void 99 test_crypto_msg_newalg(const int fd) 100 { 101 void *const nlh0 = tail_alloc(NLMSG_HDRLEN); 102 103 struct crypto_user_alg alg = { 104 .cru_name = "abcd", 105 .cru_driver_name = "efgh", 106 .cru_module_name = "dcba", 107 .cru_type = 0xabcdfabc, 108 .cru_mask = 0xfedabacd, 109 .cru_refcnt = 0xbcacfacd, 110 .cru_flags = 0xefacdbad 111 }; 112 TEST_NETLINK_OBJECT_EX(fd, nlh0, 113 CRYPTO_MSG_NEWALG, NLM_F_REQUEST, 114 alg, print_quoted_memory, 115 printf("{cru_name=\"abcd\"" 116 ", cru_driver_name=\"efgh\"" 117 ", cru_module_name=\"dcba\""); 118 PRINT_FIELD_X(", ", alg, cru_type); 119 PRINT_FIELD_X(", ", alg, cru_mask); 120 PRINT_FIELD_U(", ", alg, cru_refcnt); 121 PRINT_FIELD_X(", ", alg, cru_flags); 122 printf("}")); 123 124 fill_memory_ex(alg.cru_name, sizeof(alg.cru_name), '0', 10); 125 fill_memory_ex(alg.cru_driver_name, sizeof(alg.cru_driver_name), 126 'a', 'z' - 'a' + 1); 127 fill_memory_ex(alg.cru_module_name, sizeof(alg.cru_module_name), 128 'A', 'Z' - 'A' + 1); 129 130 TEST_NETLINK_OBJECT_EX(fd, nlh0, 131 CRYPTO_MSG_NEWALG, NLM_F_REQUEST, 132 alg, print_quoted_memory, 133 printf("{cru_name="); 134 print_quoted_memory(alg.cru_name, 135 sizeof(alg.cru_name) - 1); 136 printf("..., cru_driver_name="); 137 print_quoted_memory(alg.cru_driver_name, 138 sizeof(alg.cru_driver_name) - 1); 139 printf("..., cru_module_name="); 140 print_quoted_memory(alg.cru_module_name, 141 sizeof(alg.cru_module_name) - 1); 142 PRINT_FIELD_X("..., ", alg, cru_type); 143 PRINT_FIELD_X(", ", alg, cru_mask); 144 PRINT_FIELD_U(", ", alg, cru_refcnt); 145 PRINT_FIELD_X(", ", alg, cru_flags); 146 printf("}")); 147 } 148 149 static void 150 test_crypto_msg_unspec(const int fd) 151 { 152 void *const nlh0 = tail_alloc(NLMSG_HDRLEN); 153 154 TEST_NETLINK_(fd, nlh0, 155 0xffff, "0xffff /* CRYPTO_MSG_??? */", 156 NLM_F_REQUEST, "NLM_F_REQUEST", 157 4, "abcd", 4, printf("\"\\x61\\x62\\x63\\x64\"")); 158 } 159 160 int 161 main(void) 162 { 163 skip_if_unavailable("/proc/self/fd/"); 164 165 int fd = create_nl_socket(NETLINK_CRYPTO); 166 167 test_nlmsg_type(fd); 168 test_nlmsg_flags(fd); 169 test_crypto_msg_newalg(fd); 170 test_crypto_msg_unspec(fd); 171 172 printf("+++ exited with 0 +++\n"); 173 174 return 0; 175 } 176 177 #else 178 179 SKIP_MAIN_UNDEFINED("HAVE_LINUX_CRYPTOUSER_H") 180 181 #endif 182
