summaryrefslogtreecommitdiff
path: root/tests/netlink_crypto.c
blob: e2a5be0c78cc0debe87deb71e595bc19f859fe40 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/*
 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
 * Copyright (c) 2017-2018 The strace developers.
 * All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include "tests.h"

#ifdef HAVE_LINUX_CRYPTOUSER_H

# include <stdio.h>
# include <unistd.h>
# include <sys/socket.h>
# include <linux/cryptouser.h>
# include "test_netlink.h"

static void
test_nlmsg_type(const int fd)
{
	long rc;
	struct nlmsghdr nlh = {
		.nlmsg_len = sizeof(nlh),
		.nlmsg_type = CRYPTO_MSG_NEWALG,
		.nlmsg_flags = NLM_F_REQUEST,
	};

	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {len=%u, type=CRYPTO_MSG_NEWALG"
	       ", flags=NLM_F_REQUEST, seq=0, pid=0}"
	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));
}

static void
test_nlmsg_flags(const int fd)
{
	long rc;
	struct nlmsghdr nlh = {
		.nlmsg_len = sizeof(nlh),
	};

	nlh.nlmsg_type = CRYPTO_MSG_GETALG;
	nlh.nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {len=%u, type=CRYPTO_MSG_GETALG"
	       ", flags=NLM_F_REQUEST|NLM_F_DUMP, seq=0, pid=0}"
	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));

	nlh.nlmsg_type = CRYPTO_MSG_NEWALG;
	nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_REPLACE;
	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {len=%u, type=CRYPTO_MSG_NEWALG"
	       ", flags=NLM_F_ECHO|NLM_F_REPLACE, seq=0, pid=0}"
	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));

	nlh.nlmsg_type = CRYPTO_MSG_DELALG;
	nlh.nlmsg_flags = NLM_F_ECHO | NLM_F_NONREC;
	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {len=%u, type=CRYPTO_MSG_DELALG"
	       ", flags=NLM_F_ECHO|NLM_F_NONREC, seq=0, pid=0}"
	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, (unsigned) sizeof(nlh), sprintrc(rc));

	nlh.nlmsg_type = CRYPTO_MSG_UPDATEALG;
	nlh.nlmsg_flags = NLM_F_REPLACE;
	rc = sendto(fd, &nlh, sizeof(nlh), MSG_DONTWAIT, NULL, 0);
	printf("sendto(%d, {len=%u, type=CRYPTO_MSG_UPDATEALG"
	       ", flags=%#x /* NLM_F_??? */, seq=0, pid=0}"
	       ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
	       fd, nlh.nlmsg_len, NLM_F_REPLACE,
	       (unsigned) sizeof(nlh), sprintrc(rc));
}

static void
test_crypto_msg_newalg(const int fd)
{
	struct crypto_user_alg alg = {
		.cru_name = "abcd",
		.cru_driver_name = "efgh",
		.cru_module_name = "dcba",
		.cru_type = 0xabcdfabc,
		.cru_mask = 0xfedabacd,
		.cru_refcnt = 0xbcacfacd,
		.cru_flags = 0xefacdbad
	};
	void *const nlh0 = midtail_alloc(NLMSG_HDRLEN, sizeof(alg));

	TEST_NETLINK_OBJECT_EX(fd, nlh0,
			       CRYPTO_MSG_NEWALG, NLM_F_REQUEST,
			       alg, print_quoted_memory,
			       printf("{cru_name=\"abcd\""
				      ", cru_driver_name=\"efgh\""
				      ", cru_module_name=\"dcba\"");
			       PRINT_FIELD_X(", ", alg, cru_type);
			       PRINT_FIELD_X(", ", alg, cru_mask);
			       PRINT_FIELD_U(", ", alg, cru_refcnt);
			       PRINT_FIELD_X(", ", alg, cru_flags);
			       printf("}"));

	fill_memory_ex(alg.cru_name, sizeof(alg.cru_name), '0', 10);
	fill_memory_ex(alg.cru_driver_name, sizeof(alg.cru_driver_name),
		       'a', 'z' - 'a' + 1);
	fill_memory_ex(alg.cru_module_name, sizeof(alg.cru_module_name),
		       'A', 'Z' - 'A' + 1);

	TEST_NETLINK_OBJECT_EX(fd, nlh0,
			       CRYPTO_MSG_NEWALG, NLM_F_REQUEST,
			       alg, print_quoted_memory,
			       printf("{cru_name=");
			       print_quoted_memory(alg.cru_name,
				       sizeof(alg.cru_name) - 1);
			       printf("..., cru_driver_name=");
			       print_quoted_memory(alg.cru_driver_name,
				       sizeof(alg.cru_driver_name) - 1);
			       printf("..., cru_module_name=");
			       print_quoted_memory(alg.cru_module_name,
				       sizeof(alg.cru_module_name) - 1);
			       PRINT_FIELD_X("..., ", alg, cru_type);
			       PRINT_FIELD_X(", ", alg, cru_mask);
			       PRINT_FIELD_U(", ", alg, cru_refcnt);
			       PRINT_FIELD_X(", ", alg, cru_flags);
			       printf("}"));
}

static void
test_crypto_msg_unspec(const int fd)
{
	void *const nlh0 = midtail_alloc(NLMSG_HDRLEN, 4);

	TEST_NETLINK_(fd, nlh0,
		      0xffff, "0xffff /* CRYPTO_MSG_??? */",
		      NLM_F_REQUEST, "NLM_F_REQUEST",
		      4, "abcd", 4, printf("\"\\x61\\x62\\x63\\x64\""));
}

int
main(void)
{
	skip_if_unavailable("/proc/self/fd/");

	int fd = create_nl_socket(NETLINK_CRYPTO);

	test_nlmsg_type(fd);
	test_nlmsg_flags(fd);
	test_crypto_msg_newalg(fd);
	test_crypto_msg_unspec(fd);

	printf("+++ exited with 0 +++\n");

	return 0;
}

#else

SKIP_MAIN_UNDEFINED("HAVE_LINUX_CRYPTOUSER_H")

#endif