74 lines
1.4 KiB
C
74 lines
1.4 KiB
C
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#include <config.h>
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#include "rcsid.h"
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RCSID("$Id: pwd_init.c,v 1.1 1997/12/07 23:27:07 marekm Exp $")
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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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/*
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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
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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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