2 * Copyright (c) 2002 Tim Rice. All rights reserved.
3 * MAP_FAILED code by Solar Designer.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <sys/types.h>
31 #ifdef HAVE_SYS_MMAN_H
54 address = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_ANON|MAP_SHARED,
57 address = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_SHARED,
58 open("/dev/zero", O_RDWR), (off_t)0);
61 #define MM_SWAP_TEMPLATE "/var/run/sshd.mm.XXXXXXXX"
62 if (address == (void *)MAP_FAILED) {
63 char tmpname[sizeof(MM_SWAP_TEMPLATE)] = MM_SWAP_TEMPLATE;
67 old_umask = umask(0177);
68 tmpfd = mkstemp(tmpname);
71 fatal("mkstemp(\"%s\"): %s",
72 MM_SWAP_TEMPLATE, strerror(errno));
74 ftruncate(tmpfd, size);
75 address = mmap(NULL, size, PROT_WRITE|PROT_READ, MAP_SHARED,
82 fatal("%s: UsePrivilegeSeparation=yes and Compression=yes not supported",
84 #endif /* HAVE_MMAP */