
#include <config.h>

#include "rcsid.h"
RCSID("$Id: pwd_init.c,v 1.1 1997/12/07 23:27:07 marekm Exp $")

#include "defines.h"
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>

#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif

/*
 * pwd_init - ignore signals, and set resource limits to safe
 * values.  Call this before modifying password files, so that
 * it is less likely to fail in the middle of operation.
 */
void
pwd_init(void)
{
#ifdef HAVE_SYS_RESOURCE_H
	struct rlimit rlim;

#ifdef RLIMIT_CORE
	rlim.rlim_cur = rlim.rlim_max = 0;
	setrlimit(RLIMIT_CORE, &rlim);
#endif
	rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
#ifdef RLIMIT_AS
	setrlimit(RLIMIT_AS, &rlim);
#endif
#ifdef RLIMIT_CPU
	setrlimit(RLIMIT_CPU, &rlim);
#endif
#ifdef RLIMIT_DATA
	setrlimit(RLIMIT_DATA, &rlim);
#endif
#ifdef RLIMIT_FSIZE
	setrlimit(RLIMIT_FSIZE, &rlim);
#endif
#ifdef RLIMIT_NOFILE
	setrlimit(RLIMIT_NOFILE, &rlim);
#endif
#ifdef RLIMIT_RSS
	setrlimit(RLIMIT_RSS, &rlim);
#endif
#ifdef RLIMIT_STACK
	setrlimit(RLIMIT_STACK, &rlim);
#endif
#else /* !HAVE_SYS_RESOURCE_H */
	set_filesize_limit(30000);
	/* don't know how to set the other limits... */
#endif /* !HAVE_SYS_RESOURCE_H */

	signal(SIGALRM, SIG_IGN);
	signal(SIGHUP, SIG_IGN);
	signal(SIGINT, SIG_IGN);
	signal(SIGPIPE, SIG_IGN);
	signal(SIGQUIT, SIG_IGN);
	signal(SIGTERM, SIG_IGN);
#ifdef SIGTSTP
	signal(SIGTSTP, SIG_IGN);
#endif
#ifdef SIGTTOU
	signal(SIGTTOU, SIG_IGN);
#endif
  
	umask(077);
}

