Differential D29566 Diff 86790 usr.sbin/lpr/lpd/lpd.c

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usr.sbin/lpr/lpd/lpd.c

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#include <ctype.h>		#include <ctype.h>
#include "lp.h"		#include "lp.h"
#include "lp.local.h"		#include "lp.local.h"
#include "pathnames.h"		#include "pathnames.h"
#include "extern.h"		#include "extern.h"

int lflag; /* log requests flag */		int lflag; /* log requests flag */
int sflag; /* no incoming port flag */		int sflag; /* no incoming port flag */
		int Fflag; /* run in foreground flag */
int from_remote; /* from remote socket */		int from_remote; /* from remote socket */

int main(int argc, char **_argv);		int main(int argc, char **_argv);
static void reapchild(int _signo);		static void reapchild(int _signo);
static void mcleanup(int _signo);		static void mcleanup(int _signo);
static void doit(void);		static void doit(void);
static void startup(void);		static void startup(void);
static void chkhost(struct sockaddr *_f, int _ch_opts);		static void chkhost(struct sockaddr *_f, int _ch_opts);
Show All 32 Lines	main(int argc, char **argv)
gethostname(local_host, sizeof(local_host));		gethostname(local_host, sizeof(local_host));

progname = "lpd";		progname = "lpd";

if (euid != 0)		if (euid != 0)
errx(EX_NOPERM,"must run as root");		errx(EX_NOPERM,"must run as root");

errs = 0;		errs = 0;
while ((i = getopt(argc, argv, "cdlpswW46")) != -1)		while ((i = getopt(argc, argv, "cdlpswFW46")) != -1)
switch (i) {		switch (i) {
case 'c':		case 'c':
/* log all kinds of connection-errors to syslog */		/* log all kinds of connection-errors to syslog */
ch_options \|= LPD_LOGCONNERR;		ch_options \|= LPD_LOGCONNERR;
break;		break;
case 'd':		case 'd':
socket_debug++;		socket_debug++;
break;		break;
Show All 15 Lines	case 'w': /* netbsd uses -w for maxwait */
* is just a warning, so we won't suddenly break lpd		* is just a warning, so we won't suddenly break lpd
* for anyone who is currently using the option.		* for anyone who is currently using the option.
*/		*/
syslog(LOG_WARNING,		syslog(LOG_WARNING,
"NOTE: the -w option has been renamed -W");		"NOTE: the -w option has been renamed -W");
syslog(LOG_WARNING,		syslog(LOG_WARNING,
"NOTE: please change your lpd config to use -W");		"NOTE: please change your lpd config to use -W");
/* FALLTHROUGH */		/* FALLTHROUGH */
		case 'F':
		Fflag++;
		break;
case 'W':		case 'W':
/* allow connections coming from a non-reserved port */		/* allow connections coming from a non-reserved port */
/* (done by some lpr-implementations for MS-Windows) */		/* (done by some lpr-implementations for MS-Windows) */
ch_options \|= LPD_NOPORTCHK;		ch_options \|= LPD_NOPORTCHK;
break;		break;
case '4':		case '4':
family = PF_INET;		family = PF_INET;
inet_flag++;		inet_flag++;
▲ Show 20 Lines • Show All 64 Lines • ▼ Show 20 Lines	*/
if (waitpid(pid, &status, 0) < 0) {		if (waitpid(pid, &status, 0) < 0) {
err(EX_OSERR, "cannot wait");		err(EX_OSERR, "cannot wait");
}		}
if (WIFEXITED(status) && WEXITSTATUS(status) != 0)		if (WIFEXITED(status) && WEXITSTATUS(status) != 0)
errx(EX_OSFILE, "%d errors in printcap file, exiting",		errx(EX_OSFILE, "%d errors in printcap file, exiting",
WEXITSTATUS(status));		WEXITSTATUS(status));
}		}

#ifndef DEBUG		#ifdef DEBUG
		Fflag++;
		#endif
/*		/*
* Set up standard environment by detaching from the parent.		* Set up standard environment by detaching from the parent
		* if -F not specified
*/		*/
		if (Fflag == 0) {
daemon(0, 0);		daemon(0, 0);
#endif		}

openlog("lpd", LOG_PID, LOG_LPR);		openlog("lpd", LOG_PID, LOG_LPR);
syslog(LOG_INFO, "lpd startup: logging=%d%s%s", lflag,		syslog(LOG_INFO, "lpd startup: logging=%d%s%s", lflag,
socket_debug ? " dbg" : "", sflag ? " net-secure" : "");		socket_debug ? " dbg" : "", sflag ? " net-secure" : "");
(void) umask(0);		(void) umask(0);
/*		/*
* NB: This depends on O_NONBLOCK semantics doing the right thing;		* NB: This depends on O_NONBLOCK semantics doing the right thing;
* i.e., applying only to the O_EXLOCK and not to the rest of the		* i.e., applying only to the O_EXLOCK and not to the rest of the
▲ Show 20 Lines • Show All 646 Lines • ▼ Show 20 Lines	socksetup(int af, int debuglvl)
}		}
return(socks);		return(socks);
}		}

static void		static void
usage(void)		usage(void)
{		{
#ifdef INET6		#ifdef INET6
fprintf(stderr, "usage: lpd [-cdlsW46] [port#]\n");		fprintf(stderr, "usage: lpd [-cdlsFW46] [port#]\n");
#else		#else
fprintf(stderr, "usage: lpd [-cdlsW] [port#]\n");		fprintf(stderr, "usage: lpd [-cdlsFW] [port#]\n");
#endif		#endif
exit(EX_USAGE);		exit(EX_USAGE);
}		}