add p910nd (thanks to Oliver Ertl)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1993 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/Config.in

@@ -84,6 +84,7 @@ source "package/openntpd/Config.in"
 source "package/openssh/Config.in"
 source "package/openswan/Config.in"
 source "package/openvpn/Config.in"
+source "package/p910nd/Config.in"
 source "package/parprouted/Config.in"
 source "package/pmacct/Config.in"
 source "package/portmap/Config.in"

package/Makefile

@@ -122,6 +122,7 @@ package-$(BR2_PACKAGE_OPENSWAN) += openswan
 package-$(BR2_PACKAGE_OPENVPN) += openvpn
 package-$(BR2_PACKAGE_OSIRIS) += osiris
 package-$(BR2_PACKAGE_PALANTIR) += palantir
+package-$(BR2_PACKAGE_P910ND) += p910nd
 package-$(BR2_PACKAGE_PARPROUTED) += parprouted
 package-$(BR2_PACKAGE_PCRE) += pcre
 package-$(BR2_COMPILE_PHP4) += php4

package/p910nd/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_P910ND
+	tristate "p910nd - A small non-spooling printer server"
+	default m if CONFIG_DEVEL
+	help
+	  p910nd  is a small daemon that copies any data received on
+	  the port it is listening on to the  corresponding  printer
+	  port.   It  is primarily intended for diskless Linux hosts
+	  running as printer drivers but there is no reason  why  it
+	  could  not  be used on diskful hosts.  Port 9100 is copied
+	  to /dev/lp0, 9101 to /dev/lp1 and 9102 to  /dev/lp2.   The
+	  default is port 9100 to /dev/lp0.
+	  
+	  http://www.etherboot.org/p910nd/
+	  

package/p910nd/Makefile

@@ -0,0 +1,42 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=p910nd
+PKG_VERSION:=0.7
+PKG_RELEASE:=1
+PKG_MD5SUM:=7bf752532d26c9106f8039db95df3a6b
+
+PKG_SOURCE_URL:=http://www.etherboot.org/p910nd
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
+PKG_CAT:=bzcat
+PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
+PKG_INSTALL_DIR:=$(PKG_BUILD_DIR)/ipkg-install
+
+PKG_INIT_PRIO=70
+
+include $(TOPDIR)/package/rules.mk
+
+$(eval $(call PKG_template,P910ND,p910nd,$(PKG_VERSION)-$(PKG_RELEASE),$(ARCH)))
+
+$(PKG_BUILD_DIR)/.configured:
+	touch $@
+
+$(PKG_BUILD_DIR)/.built:
+	$(MAKE) -C $(PKG_BUILD_DIR) \
+		$(TARGET_CONFIGURE_OPTS) \
+		CFLAGS="$(TARGET_CFLAGS) -DLOCKFILE_DIR=\"\\\"/tmp\\\"\""
+	touch $@
+
+$(IPKG_P910ND):
+	install -d -m0755 $(IDIR_P910ND)/etc/default
+	install -m0644 ./files/p910nd.default $(IDIR_P910ND)/etc/default/p910nd
+	install -d -m0755 $(IDIR_P910ND)/etc/init.d
+	install -m0755 ./files/p910nd.init $(IDIR_P910ND)/etc/init.d/p910nd
+	install -d -m0755 $(IDIR_P910ND)/usr/sbin
+	ln -sf p910nd $(IDIR_P910ND)/etc/init.d/S$(PKG_INIT_PRIO)p910nd
+	cp -fpR $(PKG_BUILD_DIR)/p910nd $(IDIR_P910ND)/usr/sbin
+	$(RSTRIP) $(IDIR_P910ND)
+	$(IPKG_BUILD) $(IDIR_P910ND) $(PACKAGE_DIR)
+
+mostlyclean:
+	-$(MAKE) -C $(PKG_BUILD_DIR) clean
+	rm -rf $(PKG_BUILD_DIR)/.built

package/p910nd/files/p910nd.default

@@ -0,0 +1,10 @@
+# Port 9100 is copied to /dev/lp0, 9101 to /dev/lp1 and 9102
+# to /dev/lp2. The default is port 9100 to /dev/lp0.
+# Values are 0|1|2
+#
+#PORT="0"
+
+# The -b option turns on bidirectional copying.
+# The -f option can be used to specify a different printer device.
+#
+#OPTIONS="-b -f /dev/usblp0"

package/p910nd/files/p910nd.init

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+DEFAULT=/etc/default/p910nd
+[ -f $DEFAULT ] && . $DEFAULT
+RUN_D=/var/run
+PID_F=$RUN_D/p910${PORT-0}d.pid
+
+case $1 in
+ start)
+  mkdir -p $RUN_D
+  p910nd $OPTIONS
+  ;;
+ stop)
+  [ -f $PID_F ] && kill $(cat $PID_F)
+  ;;
+ *)
+  echo "usage: $0 (start|stop)"
+  exit 1
+esac
+exit $?

package/p910nd/ipkg/p910nd.conffiles

@@ -0,0 +1 @@
+/etc/default/p910nd

package/p910nd/ipkg/p910nd.control

@@ -0,0 +1,13 @@
+Package: p910nd
+Priority: optional
+Section: net
+Maintainer: OpenWrt Developers Team <openwrt-devel@openwrt.org>
+Source: http://openwrt.org/cgi-bin/viewcvs.cgi/openwrt/package/p910nd/
+Description: A small non-spooling printer server.
+ p910nd  is a small daemon that copies any data received on
+ the port it is listening on to the  corresponding  printer
+ port.   It  is primarily intended for diskless Linux hosts
+ running as printer drivers but there is no reason  why  it
+ could  not  be used on diskful hosts.  Port 9100 is copied
+ to /dev/lp0, 9101 to /dev/lp1 and 9102 to  /dev/lp2.   The
+ default is port 9100 to /dev/lp0.

package/p910nd/patches/100-Makefile.patch

@@ -0,0 +1,15 @@
+--- p910nd-0.7/Makefile.orig	2005-09-25 13:54:28.465506888 +0200
++++ p910nd-0.7/Makefile	2005-09-25 13:54:46.928700056 +0200
+@@ -2,9 +2,9 @@
+ # below if you don't want to use libwrap (hosts.{allow,deny} access control)
+ 
+ # If you don't have it in /var/log/subsys, uncomment and define
+-#CFLAGS+=-DLOCKFILE_DIR=\"/var/log\"
++CFLAGS+=-DLOCKFILE_DIR=\"/tmp\"
+ LIBWRAP=-lwrap
+ 
+ p910nd:	p910nd.c
+-#	$(CC) -Wall $(CFLAGS) -o $@ p910nd.c
+-	$(CC) -Wall $(CFLAGS) -DUSE_LIBWRAP -o $@ p910nd.c $(LIBWRAP)
++	$(CC) -Wall $(CFLAGS) -o $@ p910nd.c
++#	$(CC) -Wall $(CFLAGS) -DUSE_LIBWRAP -o $@ p910nd.c $(LIBWRAP)

package/p910nd/patches/200-p910nd-0.7.patch

@@ -0,0 +1,309 @@
+Only in p910nd: p910nd
+diff -u p910nd-0.7/p910nd.c p910nd/p910nd.c
+--- p910nd-0.7/p910nd.c	2004-08-09 03:25:01.000000000 +0400
++++ p910nd/p910nd.c	2005-05-11 00:37:03.385284744 +0400
+@@ -74,7 +74,6 @@
+ #define		LOCKFILE	"/var/lock/subsys/p910%cd"
+ #endif
+ #define		PRINTERFILE	"/dev/lp%c"
+-#define		LOGOPTS		LOG_ERR
+ 
+ static char	*progname;
+ static char	version[] = "p910nd Version 0.7";
+@@ -93,9 +92,9 @@
+ 	fprintf(stdout, "%s \n", version);
+ }
+ 
+-FILE *open_printer(int lpnumber)
++int open_printer(int lpnumber)
+ {
+-	FILE		*f;
++	int		lp;
+ 	char		lpname[sizeof(PRINTERFILE)];
+ 
+ #ifdef	TESTING
+@@ -105,12 +104,16 @@
+ #endif
+ 	if (device == 0)
+ 		device = lpname;
+-	if ((f = fopen(device, bidir ? "w+" : "w")) == NULL)
++	if ((lp = open(device, bidir ? O_RDWR : O_WRONLY)) == -1)
+ 	{
+-		syslog(LOGOPTS, "%s: %m\n", device);
+-		exit(1);
++		syslog(LOG_ERR, "%s: %m\n", device);
++
++		/* fallback to /dev/null if device is not available 
++		 * otherwise windows spooler will screw up
++		 */
++		lp = open("/dev/null", bidir ? O_RDWR : O_WRONLY);
+ 	}
+-	return (f);
++	return (lp);
+ }
+ 
+ int get_lock(int lpnumber)
+@@ -121,7 +124,7 @@
+ 	(void)snprintf(lockname, sizeof(lockname), LOCKFILE, lpnumber);
+ 	if ((lockfd = open(lockname, O_CREAT|O_RDWR)) < 0)
+ 	{
+-		syslog(LOGOPTS, "%s: %m\n", lockname);
++		syslog(LOG_ERR, "%s: %m\n", lockname);
+ 		return (0);
+ 	}
+ 	memset(&lplock, 0, sizeof(lplock));
+@@ -129,7 +132,7 @@
+ 	lplock.l_pid = getpid();
+ 	if (fcntl(lockfd, F_SETLKW, &lplock) < 0)
+ 	{
+-		syslog(LOGOPTS, "%s: %m\n", lockname);
++		syslog(LOG_ERR, "%s: %m\n", lockname);
+ 		return (0);
+ 	}
+ 	return (1);
+@@ -141,24 +144,36 @@
+ 		(void)close(lockfd);
+ }
+ 
++ssize_t safe_write(int fd, char *buf, size_t count)
++{
++	size_t offset = 0;
++	
++	while (offset < count) {
++		ssize_t n = write(fd, buf + offset, count - offset);
++		
++		if (n < 0 && errno != EINTR)
++			return n;
++			
++		if (n > 0)
++			offset += n;
++	}
++
++	return offset;
++}
++
+ /* Copy network socket to FILE f until EOS */
+-int copy_stream(int fd, FILE *f)
++int copy_stream(int fd, int lp)
+ {
+-	int		nread;
++	int		nread, rcvd = 0, sent = 0;
+ 	char		buffer[8192];
+ 
+ 	if (bidir) {
+-		FILE	*nf;
+-
+-		if ((nf = fdopen(fd, "w")) == NULL) {
+-			syslog(LOGOPTS, "fdopen: %m\n");
+-		}
+ 		for (;;) {
+ 			fd_set	readfds;
+ 			int result;
+-			int maxfd = fileno(f) > fd ? fileno(f) : fd;
++			int maxfd = lp > fd ? lp : fd;
+ 			FD_ZERO(&readfds);
+-			FD_SET(fileno(f), &readfds);
++			FD_SET(lp, &readfds);
+ 			FD_SET(fd, &readfds);
+ 			result = select(maxfd + 1, &readfds, 0, 0, 0);
+ 			if (result < 0)
+@@ -169,43 +184,54 @@
+ 				nread = read(fd, buffer, sizeof(buffer));
+ 				if (nread <= 0)
+ 					break;
+-				(void)fwrite(buffer, sizeof(char), nread, f);
++				if (safe_write(lp, buffer, nread) < 0) {
++					syslog(LOG_ERR, "write: %m\n");
++					break;
++				}
++				rcvd += nread;
+ 			}
+-			if (FD_ISSET(fileno(f), &readfds)) {
+-				nread = read(fileno(f), buffer, sizeof(buffer));
+-				if (nread > 0 && nf != NULL) {
+-					(void)fwrite(buffer, sizeof(char), nread, nf);
+-					(void)fflush(nf);
++			if (FD_ISSET(lp, &readfds)) {
++				nread = read(lp, buffer, sizeof(buffer));
++				if (nread > 0) {
++					safe_write(fd, buffer, nread);
++					sent += nread;
+ 				}
+ 			}
+ 		}
+-		(void)fflush(f);
+-		(void)fclose(nf);
++		syslog(LOG_NOTICE, "Finished job: %d bytes received, %d bytes sent\n",
++			rcvd, sent);
+ 		return (0);
+ 	} else {
+-		while ((nread = read(fd, buffer, sizeof(buffer))) > 0)
+-			(void)fwrite(buffer, sizeof(char), nread, f);
+-		(void)fflush(f);
++		while ((nread = read(fd, buffer, sizeof(buffer))) > 0) {
++			if (safe_write(lp, buffer, nread) < 0) {
++				syslog(LOG_ERR, "write: %m\n");
++				break;
++			}
++			rcvd += nread;
++		}
++		syslog(LOG_NOTICE, "Finished job: %d bytes received\n",	rcvd);
+ 		return (nread);
+ 	}
+ }
+ 
+ void one_job(int lpnumber)
+ {
+-	FILE		*f;
++	int		lp;
+ 	struct sockaddr_in	client;
+ 	socklen_t	clientlen = sizeof(client);
+ 
+ 	if (getpeername(0, (struct sockaddr*) &client, &clientlen) >= 0)
+-		syslog(LOGOPTS, "Connection from %s port %hu\n",
++		syslog(LOG_NOTICE, "Connection from %s port %hu\n",
+ 			inet_ntoa(client.sin_addr),
+ 			ntohs(client.sin_port));
+ 	if (get_lock(lpnumber) == 0)
+ 		return;
+-	f = open_printer(lpnumber);
+-	if (copy_stream(0, f) < 0)
+-		syslog(LOGOPTS, "copy_stream: %m\n");
+-	fclose(f);
++	if ((lp = open_printer(lpnumber)) != -1)
++	{
++    		if (copy_stream(0, lp) < 0)
++			syslog(LOG_ERR, "copy_stream: %m\n");
++		close(lp);
++	}
+ 	free_lock();
+ }
+ 
+@@ -215,7 +241,7 @@
+ #ifdef	USE_GETPROTOBYNAME
+ 	struct protoent	*proto;
+ #endif
+-	int		netfd, fd, one = 1;
++	int		netfd, fd, lp, one = 1;
+ 	socklen_t	clientlen;
+ 	struct sockaddr_in	netaddr, client;
+ 	char		pidfilename[sizeof(PIDFILE)];
+@@ -225,7 +251,7 @@
+ 	switch (fork())
+ 	{
+ 	case -1:
+-		syslog(LOGOPTS, "fork: %m\n");
++		syslog(LOG_ERR, "fork: %m\n");
+ 		exit (1);
+ 	case 0:		/* child */
+ 		break;
+@@ -236,14 +262,14 @@
+ 	resourcelimit.rlim_max = 0;
+ 	if (getrlimit(RLIMIT_NOFILE, &resourcelimit) < 0)
+ 	{
+-		syslog(LOGOPTS, "getrlimit: %m\n");
++		syslog(LOG_ERR, "getrlimit: %m\n");
+ 		exit(1);
+ 	}
+ 	for (fd = 0; fd < resourcelimit.rlim_max; ++fd)
+ 		(void)close(fd);
+ 	if (setsid() < 0)
+ 	{
+-		syslog(LOGOPTS, "setsid: %m\n");
++		syslog(LOG_ERR, "setsid: %m\n");
+ 		exit(1);
+ 	}
+ 	(void)chdir("/");
+@@ -254,7 +280,7 @@
+ 	(void)snprintf(pidfilename, sizeof(pidfilename), PIDFILE, lpnumber);
+ 	if ((f = fopen(pidfilename, "w")) == NULL)
+ 	{
+-		syslog(LOGOPTS, "%s: %m\n", pidfilename);
++		syslog(LOG_ERR, "%s: %m\n", pidfilename);
+ 		exit(1);
+ 	}
+ 	(void)fprintf(f, "%d\n", getpid());
+@@ -262,11 +288,10 @@
+ 	if (get_lock(lpnumber) == 0)
+ 		exit(1);
+ #endif
+-	f = open_printer(lpnumber);
+ #ifdef	USE_GETPROTOBYNAME
+ 	if ((proto = getprotobyname("tcp")) == NULL)
+ 	{
+-		syslog(LOGOPTS, "Cannot find protocol for TCP!\n");
++		syslog(LOG_ERR, "Cannot find protocol for TCP!\n");
+ 		exit(1);
+ 	}
+ 	if ((netfd = socket(AF_INET, SOCK_STREAM, proto->p_proto)) < 0)
+@@ -274,12 +299,12 @@
+ 	if ((netfd = socket(AF_INET, SOCK_STREAM, IPPROTO_IP)) < 0)
+ #endif
+ 	{
+-		syslog(LOGOPTS, "socket: %m\n");
++		syslog(LOG_ERR, "socket: %m\n");
+ 		exit(1);
+ 	}
+ 	if (setsockopt(netfd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)) < 0)
+ 	{
+-		syslog(LOGOPTS, "setsocketopt: %m\n");
++		syslog(LOG_ERR, "setsocketopt: %m\n");
+ 		exit(1);
+ 	}
+ 	netaddr.sin_port = htons(BASEPORT + lpnumber - '0');
+@@ -287,12 +312,12 @@
+ 	memset(netaddr.sin_zero, 0, sizeof(netaddr.sin_zero));
+ 	if (bind(netfd, (struct sockaddr*) &netaddr, sizeof(netaddr)) < 0)
+ 	{
+-		syslog(LOGOPTS, "bind: %m\n");
++		syslog(LOG_ERR, "bind: %m\n");
+ 		exit(1);
+ 	}
+ 	if (listen(netfd, 5) < 0)
+ 	{
+-		syslog(LOGOPTS, "listen: %m\n");
++		syslog(LOG_ERR, "listen: %m\n");
+ 		exit(1);
+ 	}
+ 	clientlen = sizeof(client);
+@@ -302,22 +327,26 @@
+ #ifdef	USE_LIBWRAP
+ 		if (hosts_ctl("p910nd", STRING_UNKNOWN,
+ 			inet_ntoa(client.sin_addr), STRING_UNKNOWN) == 0) {
+-			syslog(LOGOPTS, "Connection from %s port %hd rejected\n",
++			syslog(LOG_ERR, "Connection from %s port %hu rejected\n",
+ 				inet_ntoa(client.sin_addr),
+ 				ntohs(client.sin_port));
+ 			close(fd);
+ 			continue;
+ 		}
+ #endif
+-		syslog(LOGOPTS, "Connection from %s port %hd accepted\n",
++		syslog(LOG_NOTICE, "Connection from %s port %hu accepted\n",
+ 			inet_ntoa(client.sin_addr),
+ 			ntohs(client.sin_port));
+ 		/*write(fd, "Printing", 8);*/
+-		if (copy_stream(fd, f) < 0)
+-			syslog(LOGOPTS, "copy_stream: %m\n");
++		if ((lp = open_printer(lpnumber)) != -1)
++		{
++		        if (copy_stream(fd, lp) < 0)
++				syslog(LOG_ERR, "copy_stream: %m\n");
++			close(lp);
++		}
+ 		(void)close(fd);
+ 	}
+-	syslog(LOGOPTS, "accept: %m\n");
++	syslog(LOG_ERR, "accept: %m\n");
+ 	free_lock();
+ 	exit(1);
+ }
+@@ -338,7 +367,7 @@
+ 	if (getsockname(0, (struct sockaddr*) &bind_addr, &ba_len) == 0)
+ 		return (0);		/* under inetd */
+ 	if (errno != ENOTSOCK)		/* strange... */
+-		syslog(LOGOPTS, "getsockname: %m\n");
++		syslog(LOG_ERR, "getsockname: %m\n");
+ 	return (1);
+ }
+