9d695340b4
It is required by POSIX.1-2001. Cc: Christian Göttsche <cgzones@googlemail.com> Signed-off-by: Alejandro Colomar <alx@kernel.org>
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
/*
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* SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
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* SPDX-FileCopyrightText: 1997 , Marek Michałkiewicz
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* SPDX-FileCopyrightText: 2003 - 2005, Tomasz Kłoczko
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* SPDX-FileCopyrightText: 2008 , Nicolas François
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*
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* SPDX-License-Identifier: BSD-3-Clause
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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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#include <sys/resource.h>
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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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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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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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