2 * Copyright (c) 1990 - 1994, Julianne Frances Haugh
3 * Copyright (c) 1997 , Marek Michałkiewicz
4 * Copyright (c) 2003 - 2005, Tomasz Kłoczko
5 * Copyright (c) 2008 , Nicolas François
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the copyright holders or contributors may not be used to
17 * endorse or promote products derived from this software without
18 * specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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24 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 #include <sys/types.h>
41 #ifdef HAVE_SYS_RESOURCE_H
42 #include <sys/resource.h>
45 #include "prototypes.h"
48 * pwd_init - ignore signals, and set resource limits to safe
49 * values. Call this before modifying password files, so that
50 * it is less likely to fail in the middle of operation.
54 #ifdef HAVE_SYS_RESOURCE_H
58 rlim.rlim_cur = rlim.rlim_max = 0;
59 setrlimit (RLIMIT_CORE, &rlim);
61 rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
63 setrlimit (RLIMIT_AS, &rlim);
66 setrlimit (RLIMIT_CPU, &rlim);
69 setrlimit (RLIMIT_DATA, &rlim);
72 setrlimit (RLIMIT_FSIZE, &rlim);
75 setrlimit (RLIMIT_NOFILE, &rlim);
78 setrlimit (RLIMIT_RSS, &rlim);
81 setrlimit (RLIMIT_STACK, &rlim);
83 #else /* !HAVE_SYS_RESOURCE_H */
84 set_filesize_limit (30000);
85 /* don't know how to set the other limits... */
86 #endif /* !HAVE_SYS_RESOURCE_H */
88 signal (SIGALRM, SIG_IGN);
89 signal (SIGHUP, SIG_IGN);
90 signal (SIGINT, SIG_IGN);
91 signal (SIGPIPE, SIG_IGN);
92 signal (SIGQUIT, SIG_IGN);
93 signal (SIGTERM, SIG_IGN);
95 signal (SIGTSTP, SIG_IGN);
98 signal (SIGTTOU, SIG_IGN);