granicus.if.org Git - strace/blob - tests/netlink_crypto.c

   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_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