X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fopenbsd%2Fdevice.c;h=07fa4b9f4471b1ea33a466377769f4d4079d64f9;hp=e9b4bbdd784e6fff6826fb428d61c8a1ac943f7d;hb=8eca27e863d9cb139a1e4039f63aaac3c9afc3c6;hpb=5db596c6844169f1eb5f804b72abe99d067aaa5a

diff --git a/src/openbsd/device.c b/src/openbsd/device.c
index e9b4bbdd..07fa4b9f 100644
--- a/src/openbsd/device.c
+++ b/src/openbsd/device.c
@@ -17,29 +17,15 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: device.c,v 1.1.2.15 2003/07/12 17:41:48 guus Exp $
+    $Id: device.c,v 1.1.2.18 2003/07/31 11:31:51 guus Exp $
 */
 
-#include "config.h"
-
-#include <stdio.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/uio.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <fcntl.h>
-#include <net/if.h>
-#include <unistd.h>
-#include <string.h>
-
-#include <utils.h>
+#include "system.h"
+
 #include "conf.h"
-#include "net.h"
 #include "logger.h"
-
-#include "system.h"
+#include "net.h"
+#include "utils.h"
 
 #define DEFAULT_DEVICE "/dev/tun0"
 
@@ -47,33 +33,32 @@
 #define DEVICE_TYPE_TUNTAP 1
 
 int device_fd = -1;
-int device_type;
 char *device;
-char *interface;
+char *iface;
 char *device_info;
 
 int device_total_in = 0;
 int device_total_out = 0;
 
-int setup_device(void)
+bool setup_device(void)
 {
 	cp();
 
 	if(!get_config_string(lookup_config(config_tree, "Device"), &device))
 		device = DEFAULT_DEVICE;
 
-	if(!get_config_string(lookup_config(config_tree, "Interface"), &interface))
-		interface = rindex(device, '/') ? rindex(device, '/') + 1 : device;
+	if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
+		iface = rindex(device, '/') ? rindex(device, '/') + 1 : device;
 	if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) {
 		logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
-		return -1;
+		return false;
 	}
 
 	device_info = _("OpenBSD tun device");
 
 	logger(LOG_INFO, _("%s is a %s"), device, device_info);
 
-	return 0;
+	return true;
 }
 
 void close_device(void)
@@ -83,7 +68,7 @@ void close_device(void)
 	close(device_fd);
 }
 
-int read_packet(vpn_packet_t *packet)
+bool read_packet(vpn_packet_t *packet)
 {
 	int lenin;
 	u_int32_t type;
@@ -94,7 +79,7 @@ int read_packet(vpn_packet_t *packet)
 	if((lenin = readv(device_fd, vector, 2)) <= 0) {
 		logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
 			   device, strerror(errno));
-		return -1;
+		return false;
 	}
 
 	switch (ntohl(type)) {
@@ -112,7 +97,7 @@ int read_packet(vpn_packet_t *packet)
 			ifdebug(TRAFFIC) logger(LOG_ERR,
 				           _ ("Unknown address family %d while reading packet from %s %s"),
 				           ntohl(type), device_info, device);
-		        return -1;
+		        return false;
 	}
 
 	packet->len = lenin + 10;
@@ -121,12 +106,11 @@ int read_packet(vpn_packet_t *packet)
 
 	ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len,
 			   device_info);
-	}
 
-	return 0;
+	return true;
 }
 
-int write_packet(vpn_packet_t *packet)
+bool write_packet(vpn_packet_t *packet)
 {
 	u_int32_t type;
 	struct iovec vector[2];
@@ -150,7 +134,7 @@ int write_packet(vpn_packet_t *packet)
 		ifdebug(TRAFFIC) logger(LOG_ERR,
 				   _("Unknown address family %d while writing packet to %s %s"),
 				   af, device_info, device);
-		return -1;
+		return false;
 	}
 
 	vector[0].iov_base = &type;
@@ -161,10 +145,12 @@ int write_packet(vpn_packet_t *packet)
 	if(writev(device_fd, vector, 2) < 0) {
 		logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
 			   strerror(errno));
-		return -1;
+		return false;
 	}
 
 	device_total_out += packet->len;
+
+	return true;
 }
 
 void dump_device_stats(void)