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1 /*
2  * Check decoding of SCSI ioctl commands.
3  *
4  * Copyright (c) 2017 Dmitry V. Levin <ldv@altlinux.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include "tests.h"
31 
32 #ifdef HAVE_SCSI_SG_H
33 
34 # include <stdio.h>
35 # include <sys/ioctl.h>
36 # include <scsi/sg.h>
37 # include "xlat/scsi_sg_commands.h"
38 
39 # define TEST_NO_ARG(cmd)							\
40 	do {									\
41 		ioctl(-1, cmd, 0xdeadbeef);					\
42 		printf("ioctl(-1, %s) = -1 EBADF (%m)\n", #cmd);		\
43 	} while (0)
44 
45 # define TEST_NULL_ARG(cmd)							\
46 	do {									\
47 		ioctl(-1, cmd, 0);						\
48 		printf("ioctl(-1, %s, NULL) = -1 EBADF (%m)\n", #cmd);		\
49 	} while (0)
50 
51 # define TEST_TAKES_INT_BY_VAL(cmd, val)					\
52 	do {									\
53 		ioctl(-1, cmd, val);						\
54 		printf("ioctl(-1, %s, %#x) = -1 EBADF (%m)\n", #cmd, val);	\
55 	} while (0)
56 
57 # define TEST_TAKES_INT_BY_PTR(cmd, pint)					\
58 	do {									\
59 		ioctl(-1, cmd, pint);						\
60 		printf("ioctl(-1, %s, [%d]) = -1 EBADF (%m)\n", #cmd, *(pint));	\
61 	} while (0)
62 
63 # define TEST_RETURNS_INT_BY_PTR(cmd, pint)					\
64 	do {									\
65 		ioctl(-1, cmd, pint);						\
66 		printf("ioctl(-1, %s, %p) = -1 EBADF (%m)\n", #cmd, pint);	\
67 	} while (0)
68 
69 int
main(void)70 main(void)
71 {
72 	TAIL_ALLOC_OBJECT_CONST_PTR(int, pint);
73 	*pint = (int) 0xfacefeed;
74 
75 	TEST_NO_ARG(SG_GET_TIMEOUT);
76 
77 	TEST_NULL_ARG(SG_SET_TIMEOUT);
78 	TEST_NULL_ARG(SG_EMULATED_HOST);
79 	TEST_NULL_ARG(SG_GET_TRANSFORM);
80 	TEST_NULL_ARG(SG_GET_COMMAND_Q);
81 	TEST_NULL_ARG(SG_SET_COMMAND_Q);
82 	TEST_NULL_ARG(SG_GET_RESERVED_SIZE);
83 	TEST_NULL_ARG(SG_SET_RESERVED_SIZE);
84 	TEST_NULL_ARG(SG_GET_SCSI_ID);
85 	TEST_NULL_ARG(SG_SET_FORCE_LOW_DMA);
86 	TEST_NULL_ARG(SG_GET_LOW_DMA);
87 	TEST_NULL_ARG(SG_SET_FORCE_PACK_ID);
88 	TEST_NULL_ARG(SG_GET_PACK_ID);
89 	TEST_NULL_ARG(SG_GET_NUM_WAITING);
90 	TEST_NULL_ARG(SG_SET_DEBUG);
91 	TEST_NULL_ARG(SG_GET_SG_TABLESIZE);
92 	TEST_NULL_ARG(SG_GET_VERSION_NUM);
93 	TEST_NULL_ARG(SG_NEXT_CMD_LEN);
94 	TEST_NULL_ARG(SG_SCSI_RESET);
95 	TEST_NULL_ARG(SG_IO);
96 	TEST_NULL_ARG(SG_GET_REQUEST_TABLE);
97 	TEST_NULL_ARG(SG_SET_KEEP_ORPHAN);
98 	TEST_NULL_ARG(SG_GET_KEEP_ORPHAN);
99 	TEST_NULL_ARG(SG_GET_ACCESS_COUNT);
100 
101 	TEST_TAKES_INT_BY_VAL(SG_SET_TRANSFORM, 0);
102 	TEST_TAKES_INT_BY_VAL(SG_SET_TRANSFORM, *pint);
103 
104 	TEST_TAKES_INT_BY_PTR(SG_NEXT_CMD_LEN, pint);
105 	TEST_TAKES_INT_BY_PTR(SG_SET_COMMAND_Q, pint);
106 	TEST_TAKES_INT_BY_PTR(SG_SET_DEBUG, pint);
107 	TEST_TAKES_INT_BY_PTR(SG_SET_FORCE_LOW_DMA, pint);
108 	TEST_TAKES_INT_BY_PTR(SG_SET_FORCE_PACK_ID, pint);
109 	TEST_TAKES_INT_BY_PTR(SG_SET_KEEP_ORPHAN, pint);
110 	TEST_TAKES_INT_BY_PTR(SG_SET_RESERVED_SIZE, pint);
111 	TEST_TAKES_INT_BY_PTR(SG_SET_TIMEOUT, pint);
112 
113 	TEST_RETURNS_INT_BY_PTR(SG_EMULATED_HOST, pint);
114 	TEST_RETURNS_INT_BY_PTR(SG_GET_ACCESS_COUNT, pint);
115 	TEST_RETURNS_INT_BY_PTR(SG_GET_COMMAND_Q, pint);
116 	TEST_RETURNS_INT_BY_PTR(SG_GET_KEEP_ORPHAN, pint);
117 	TEST_RETURNS_INT_BY_PTR(SG_GET_LOW_DMA, pint);
118 	TEST_RETURNS_INT_BY_PTR(SG_GET_NUM_WAITING, pint);
119 	TEST_RETURNS_INT_BY_PTR(SG_GET_PACK_ID, pint);
120 	TEST_RETURNS_INT_BY_PTR(SG_GET_RESERVED_SIZE, pint);
121 	TEST_RETURNS_INT_BY_PTR(SG_GET_SG_TABLESIZE, pint);
122 	TEST_RETURNS_INT_BY_PTR(SG_GET_TRANSFORM, pint);
123 	TEST_RETURNS_INT_BY_PTR(SG_GET_VERSION_NUM, pint);
124 
125 	ioctl(-1, SG_SCSI_RESET, pint);
126 	printf("ioctl(-1, %s, [%#x /* %s_??? */]) = -1 EBADF (%m)\n",
127 	       "SG_SCSI_RESET", *pint, "SG_SCSI_RESET");
128 
129 	*pint = 0x100;
130 	ioctl(-1, SG_SCSI_RESET, pint);
131 	printf("ioctl(-1, %s, [SG_SCSI_RESET_NO_ESCALATE|SG_SCSI_RESET_NOTHING])"
132 	       " = -1 EBADF (%m)\n", "SG_SCSI_RESET");
133 
134 	*pint = 1;
135 	ioctl(-1, SG_SCSI_RESET, pint);
136 	printf("ioctl(-1, %s, [SG_SCSI_RESET_DEVICE]) = -1 EBADF (%m)\n",
137 	       "SG_SCSI_RESET");
138 
139 	ioctl(-1, 0x22ff, 0);
140 	printf("ioctl(-1, _IOC(0, 0x22, 0xff, 0), 0) = -1 EBADF (%m)\n");
141 
142 	static const unsigned long magic =
143 		(unsigned long) 0xdeadbeeffacefeedULL;
144 	ioctl(-1, 0x22ff, magic);
145 	printf("ioctl(-1, _IOC(0, 0x22, 0xff, 0), %#lx) = -1 EBADF (%m)\n",
146 	       magic);
147 
148 	puts("+++ exited with 0 +++");
149 	return 0;
150 }
151 
152 #else
153 
154 SKIP_MAIN_UNDEFINED("HAVE_SCSI_SG_H")
155 
156 #endif
157