1 /*
2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
3 * Copyright (c) 2017-2018 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
test_nlmsg_type(const int fd)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
test_nlmsg_flags(const int fd)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
test_crypto_msg_newalg(const int fd)99 test_crypto_msg_newalg(const int fd)
100 {
101 struct crypto_user_alg alg = {
102 .cru_name = "abcd",
103 .cru_driver_name = "efgh",
104 .cru_module_name = "dcba",
105 .cru_type = 0xabcdfabc,
106 .cru_mask = 0xfedabacd,
107 .cru_refcnt = 0xbcacfacd,
108 .cru_flags = 0xefacdbad
109 };
110 void *const nlh0 = midtail_alloc(NLMSG_HDRLEN, sizeof(alg));
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
test_crypto_msg_unspec(const int fd)150 test_crypto_msg_unspec(const int fd)
151 {
152 void *const nlh0 = midtail_alloc(NLMSG_HDRLEN, 4);
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
main(void)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