c7302b61ef
Files with no license use the default 3-clauses BSD license. The copyright were mostly not recorded; they were updated according to the Changelog. "Julianne Frances Haugh and contributors" changed to "copyright holders and contributors".
103 lines
3.1 KiB
C
103 lines
3.1 KiB
C
/*
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* Copyright (c) 1990 - 1994, Julianne Frances Haugh
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* Copyright (c) 1997 , Marek Michałkiewicz
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* Copyright (c) 2003 - 2005, Tomasz Kłoczko
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* Copyright (c) 2008 , Nicolas François
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <config.h>
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#ident "$Id$"
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#include "defines.h"
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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#endif
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#include "prototypes.h"
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/*
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* pwd_init - ignore signals, and set resource limits to safe
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* values. Call this before modifying password files, so that
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* it is less likely to fail in the middle of operation.
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*/
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void pwd_init (void)
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{
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#ifdef HAVE_SYS_RESOURCE_H
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struct rlimit rlim;
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#ifdef RLIMIT_CORE
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rlim.rlim_cur = rlim.rlim_max = 0;
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setrlimit (RLIMIT_CORE, &rlim);
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#endif
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rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
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#ifdef RLIMIT_AS
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setrlimit (RLIMIT_AS, &rlim);
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#endif
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#ifdef RLIMIT_CPU
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setrlimit (RLIMIT_CPU, &rlim);
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#endif
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#ifdef RLIMIT_DATA
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setrlimit (RLIMIT_DATA, &rlim);
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#endif
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#ifdef RLIMIT_FSIZE
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setrlimit (RLIMIT_FSIZE, &rlim);
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#endif
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#ifdef RLIMIT_NOFILE
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setrlimit (RLIMIT_NOFILE, &rlim);
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#endif
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#ifdef RLIMIT_RSS
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setrlimit (RLIMIT_RSS, &rlim);
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#endif
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#ifdef RLIMIT_STACK
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setrlimit (RLIMIT_STACK, &rlim);
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#endif
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#else /* !HAVE_SYS_RESOURCE_H */
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set_filesize_limit (30000);
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/* don't know how to set the other limits... */
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#endif /* !HAVE_SYS_RESOURCE_H */
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signal (SIGALRM, SIG_IGN);
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signal (SIGHUP, SIG_IGN);
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signal (SIGINT, SIG_IGN);
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signal (SIGPIPE, SIG_IGN);
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signal (SIGQUIT, SIG_IGN);
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signal (SIGTERM, SIG_IGN);
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#ifdef SIGTSTP
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signal (SIGTSTP, SIG_IGN);
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#endif
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#ifdef SIGTTOU
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signal (SIGTTOU, SIG_IGN);
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#endif
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umask (077);
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}
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