1 /*
2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "tests.h"
29 #include <asm/unistd.h>
30
31 #ifdef __NR_sendfile64
32
33 # include <assert.h>
34 # include <errno.h>
35 # include <fcntl.h>
36 # include <stdio.h>
37 # include <stdint.h>
38 # include <unistd.h>
39 # include <sys/socket.h>
40 # include <sys/stat.h>
41
42 int
main(int ac,const char ** av)43 main(int ac, const char **av)
44 {
45 assert(ac == 1);
46
47 (void) close(0);
48 if (open("/dev/zero", O_RDONLY) != 0)
49 perror_msg_and_skip("open: %s", "/dev/zero");
50
51 int sv[2];
52 if (socketpair(AF_UNIX, SOCK_STREAM, 0, sv))
53 perror_msg_and_skip("socketpair");
54
55 int reg_in = open(av[0], O_RDONLY);
56 if (reg_in < 0)
57 perror_msg_and_fail("open: %s", av[0]);
58
59 struct stat stb;
60 assert(fstat(reg_in, &stb) == 0);
61 const size_t blen = stb.st_size / 3;
62 const size_t alen = stb.st_size - blen;
63 assert(S_ISREG(stb.st_mode) && blen > 0);
64
65 const size_t page_len = get_page_size();
66 assert(syscall(__NR_sendfile64, 0, 1, NULL, page_len) == -1);
67 if (EBADF != errno)
68 perror_msg_and_skip("sendfile64");
69 printf("sendfile64(0, 1, NULL, %lu) = -1 EBADF (%m)\n",
70 (unsigned long) page_len);
71
72 uint64_t *p_off = tail_alloc(sizeof(uint64_t));
73 void *p = p_off + 1;
74 *p_off = 0;
75
76 assert(syscall(__NR_sendfile64, 0, 1, p, page_len) == -1);
77 printf("sendfile64(0, 1, %#lx, %lu) = -1 EFAULT (%m)\n",
78 (unsigned long) p, (unsigned long) page_len);
79
80 assert(syscall(__NR_sendfile64, sv[1], reg_in, NULL, alen)
81 == (long) alen);
82 printf("sendfile64(%d, %d, NULL, %lu) = %lu\n",
83 sv[1], reg_in, (unsigned long) alen,
84 (unsigned long) alen);
85
86 assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, alen)
87 == (long) alen);
88 printf("sendfile64(%d, %d, [0] => [%lu], %lu) = %lu\n",
89 sv[1], reg_in, (unsigned long) alen,
90 (unsigned long) alen, (unsigned long) alen);
91
92 assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, stb.st_size + 1)
93 == (long) blen);
94 printf("sendfile64(%d, %d, [%lu] => [%lu], %lu) = %lu\n",
95 sv[1], reg_in, (unsigned long) alen,
96 (unsigned long) stb.st_size,
97 (unsigned long) stb.st_size + 1,
98 (unsigned long) blen);
99
100 *p_off = 0xcafef00dfacefeedULL;
101 assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, 1) == -1);
102 printf("sendfile64(%d, %d, [14627392582579060461], 1)"
103 " = -1 EINVAL (%m)\n", sv[1], reg_in);
104
105 *p_off = 0xfacefeed;
106 assert(syscall(__NR_sendfile64, sv[1], reg_in, p_off, 1) == 0);
107 printf("sendfile64(%d, %d, [4207869677], 1) = 0\n", sv[1], reg_in);
108
109 puts("+++ exited with 0 +++");
110 return 0;
111 }
112
113 #else
114
115 SKIP_MAIN_UNDEFINED("__NR_sendfile64")
116
117 #endif
118