• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Check decoding of utimes/osf_utimes syscall.
3  *
4  * Copyright (c) 2015-2017 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 #ifndef TEST_SYSCALL_NR
31 # error TEST_SYSCALL_NR must be defined
32 #endif
33 
34 #ifndef TEST_SYSCALL_STR
35 # error TEST_SYSCALL_STR must be defined
36 #endif
37 
38 #ifndef TEST_STRUCT
39 # error TEST_STRUCT must be defined
40 #endif
41 
42 #include <stdint.h>
43 #include <stdio.h>
44 #include <sys/time.h>
45 #include <unistd.h>
46 
47 static void
print_tv(const TEST_STRUCT * const tv)48 print_tv(const TEST_STRUCT *const tv)
49 {
50 	printf("{tv_sec=%lld, tv_usec=%llu}",
51 	       (long long) tv->tv_sec,
52 	       zero_extend_signed_to_ull(tv->tv_usec));
53 	print_time_t_usec(tv->tv_sec,
54 			  zero_extend_signed_to_ull(tv->tv_usec), 1);
55 }
56 
57 static const char *errstr;
58 
59 static long
k_utimes(const kernel_ulong_t pathname,const kernel_ulong_t times)60 k_utimes(const kernel_ulong_t pathname, const kernel_ulong_t times)
61 {
62 	long rc = syscall(TEST_SYSCALL_NR, pathname, times);
63 	errstr = sprintrc(rc);
64 	return rc;
65 }
66 
67 int
main(void)68 main(void)
69 {
70 	static const char proto_fname[] = TEST_SYSCALL_STR "_sample";
71 	static const char qname[] = "\"" TEST_SYSCALL_STR "_sample\"";
72 
73 	char *const fname = tail_memdup(proto_fname, sizeof(proto_fname));
74 	const kernel_ulong_t kfname = (uintptr_t) fname;
75 	TEST_STRUCT *const tv = tail_alloc(sizeof(*tv) * 2);
76 
77 	/* pathname */
78 	k_utimes(0, 0);
79 	printf("%s(NULL, NULL) = %s\n", TEST_SYSCALL_STR, errstr);
80 
81 	k_utimes(kfname + sizeof(proto_fname) - 1, 0);
82 	printf("%s(\"\", NULL) = %s\n", TEST_SYSCALL_STR, errstr);
83 
84 	k_utimes(kfname, 0);
85 	printf("%s(%s, NULL) = %s\n", TEST_SYSCALL_STR, qname, errstr);
86 
87 	fname[sizeof(proto_fname) - 1] = '+';
88 	k_utimes(kfname, 0);
89 	fname[sizeof(proto_fname) - 1] = '\0';
90 	printf("%s(%p, NULL) = %s\n", TEST_SYSCALL_STR, fname, errstr);
91 
92 	if (F8ILL_KULONG_SUPPORTED) {
93 		k_utimes(f8ill_ptr_to_kulong(fname), 0);
94 		printf("%s(%#jx, NULL) = %s\n", TEST_SYSCALL_STR,
95 		       (uintmax_t) f8ill_ptr_to_kulong(fname), errstr);
96 	}
97 
98 	/* times */
99 	k_utimes(kfname, (uintptr_t) (tv + 1));
100 	printf("%s(%s, %p) = %s\n", TEST_SYSCALL_STR,
101 	       qname, tv + 1, errstr);
102 
103 	k_utimes(kfname, (uintptr_t) (tv + 2));
104 	printf("%s(%s, %p) = %s\n", TEST_SYSCALL_STR,
105 	       qname, tv + 2, errstr);
106 
107 	tv[0].tv_sec = 0xdeadbeefU;
108 	tv[0].tv_usec = 0xfacefeedU;
109 	tv[1].tv_sec = (time_t) 0xcafef00ddeadbeefLL;
110 	tv[1].tv_usec = (suseconds_t) 0xbadc0dedfacefeedLL;
111 
112 	k_utimes(kfname, (uintptr_t) tv);
113 	printf("%s(%s, [", TEST_SYSCALL_STR, qname);
114 	print_tv(&tv[0]);
115 	printf(", ");
116 	print_tv(&tv[1]);
117 	printf("]) = %s\n", errstr);
118 
119 	tv[0].tv_sec = 1492358607;
120 	tv[0].tv_usec = 1000000;
121 	tv[1].tv_sec = 1492356078;
122 	tv[1].tv_usec = 1000001;
123 
124 	k_utimes(kfname, (uintptr_t) tv);
125 	printf("%s(%s, [", TEST_SYSCALL_STR, qname);
126 	print_tv(&tv[0]);
127 	printf(", ");
128 	print_tv(&tv[1]);
129 	printf("]) = %s\n", errstr);
130 
131 	tv[0].tv_usec = 345678;
132 	tv[1].tv_usec = 456789;
133 
134 	k_utimes(kfname, (uintptr_t) tv);
135 	printf("%s(%s, [", TEST_SYSCALL_STR, qname);
136 	print_tv(&tv[0]);
137 	printf(", ");
138 	print_tv(&tv[1]);
139 	printf("]) = %s\n", errstr);
140 
141 	if (F8ILL_KULONG_SUPPORTED) {
142 		k_utimes(kfname, f8ill_ptr_to_kulong(tv));
143 		printf("%s(%s, %#jx) = %s\n", TEST_SYSCALL_STR,
144 		       qname, (uintmax_t) f8ill_ptr_to_kulong(tv), errstr);
145 	}
146 
147 	puts("+++ exited with 0 +++");
148 	return 0;
149 }
150