From dc3b7d47f3297e22161787a1d6e06205140cf0fb Mon Sep 17 00:00:00 2001 From: Guus Sliepen Date: Wed, 27 Aug 2003 13:47:52 +0000 Subject: [PATCH] Some device.c files weren't synchronised. --- src/cygwin/device.c | 2 +- src/darwin/device.c | 2 +- src/freebsd/device.c | 161 ++++++++------------ src/linux/device.c | 326 ++++++++++++++++++++-------------------- src/mingw/device.c | 2 +- src/netbsd/device.c | 173 ++++++++------------- src/openbsd/device.c | 257 ++++++++++++++----------------- src/raw_socket/device.c | 2 +- src/solaris/device.c | 259 ++++++++++++++----------------- 9 files changed, 524 insertions(+), 660 deletions(-) diff --git a/src/cygwin/device.c b/src/cygwin/device.c index 9cbb00aa..0ae6780d 100644 --- a/src/cygwin/device.c +++ b/src/cygwin/device.c @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: device.c,v 1.2 2003/08/24 20:38:29 guus Exp $ + $Id: device.c,v 1.3 2003/08/27 13:47:47 guus Exp $ */ #include "system.h" diff --git a/src/darwin/device.c b/src/darwin/device.c index ef2d7f3f..212c0b0d 100644 --- a/src/darwin/device.c +++ b/src/darwin/device.c @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: device.c,v 1.2 2003/08/24 20:38:29 guus Exp $ + $Id: device.c,v 1.3 2003/08/27 13:47:47 guus Exp $ */ #include "system.h" diff --git a/src/freebsd/device.c b/src/freebsd/device.c index 112ea200..382a60ae 100644 --- a/src/freebsd/device.c +++ b/src/freebsd/device.c @@ -1,7 +1,7 @@ /* device.c -- Interaction with FreeBSD tap device - Copyright (C) 2001-2002 Ivo Timmermans , - 2001-2002 Guus Sliepen + Copyright (C) 2001-2003 Ivo Timmermans , + 2001-2003 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,132 +17,99 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: device.c,v 1.3 2002/04/13 11:08:31 zarq Exp $ + $Id: device.c,v 1.4 2003/08/27 13:47:48 guus Exp $ */ -#include "config.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include "system.h" -#include #include "conf.h" +#include "logger.h" #include "net.h" -#include "subnet.h" -#include "logging.h" - -#include "system.h" +#include "utils.h" #define DEFAULT_DEVICE "/dev/tap0" 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; -extern subnet_t mymac; - -/* - open the local ethertap device -*/ -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; -cp - if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) - { - syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno)); - return -1; - } -cp - - /* Set default MAC address for ethertap devices */ - - mymac.type = SUBNET_MAC; - mymac.net.mac.address.x[0] = 0xfe; - mymac.net.mac.address.x[1] = 0xfd; - mymac.net.mac.address.x[2] = 0x00; - mymac.net.mac.address.x[3] = 0x00; - mymac.net.mac.address.x[4] = 0x00; - mymac.net.mac.address.x[5] = 0x00; - - device_info = _("FreeBSD tap device"); - - syslog(LOG_INFO, _("%s is a %s"), device, device_info); -cp - return 0; + cp(); + + if(!get_config_string(lookup_config(config_tree, "Device"), &device)) + device = DEFAULT_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 false; + } + + device_info = _("FreeBSD tap device"); + + logger(LOG_INFO, _("%s is a %s"), device, device_info); + + return true; } void close_device(void) { -cp - close(device_fd); + cp(); + + close(device_fd); } -/* - read, encrypt and send data that is - available through the ethertap device -*/ -int read_packet(vpn_packet_t *packet) +bool read_packet(vpn_packet_t *packet) { - int lenin; -cp - if((lenin = read(device_fd, packet->data, MTU)) <= 0) - { - syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } + int lenin; + + cp(); + + if((lenin = read(device_fd, packet->data, MTU)) <= 0) { + logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, + device, strerror(errno)); + return false; + } - packet->len = lenin; + packet->len = lenin; - device_total_in += packet->len; + device_total_in += packet->len; - if(debug_lvl >= DEBUG_TRAFFIC) - syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), - packet->len, device_info); + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), + packet->len, device_info); - return 0; -cp + return true; } -int write_packet(vpn_packet_t *packet) +bool write_packet(vpn_packet_t *packet) { -cp - if(debug_lvl >= DEBUG_TRAFFIC) - syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"), - packet->len, device_info); - - if(write(device_fd, packet->data, packet->len) < 0) - { - syslog(LOG_ERR, _("Error while writing to %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } - - device_total_out += packet->len; -cp + cp(); + + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"), + packet->len, device_info); + + if(write(device_fd, packet->data, packet->len) < 0) { + logger(LOG_ERR, _("Error while writing to %s %s: %s"), device_info, + device, strerror(errno)); + return false; + } + + device_total_out += packet->len; + + return true; } void dump_device_stats(void) { -cp - syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); - syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); - syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); -cp + cp(); + + logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); + logger(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); + logger(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); } diff --git a/src/linux/device.c b/src/linux/device.c index 59b88469..1858f5c2 100644 --- a/src/linux/device.c +++ b/src/linux/device.c @@ -1,7 +1,7 @@ /* device.c -- Interaction with Linux ethertap and tun/tap device - Copyright (C) 2001-2002 Ivo Timmermans , - 2001-2002 Guus Sliepen + Copyright (C) 2001-2003 Ivo Timmermans , + 2001-2003 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,208 +17,206 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: device.c,v 1.3 2002/04/13 11:08:31 zarq Exp $ + $Id: device.c,v 1.4 2003/08/27 13:47:48 guus Exp $ */ -#include "config.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include "system.h" #ifdef HAVE_TUNTAP - #ifdef LINUX_IF_TUN_H - #include LINUX_IF_TUN_H - #else - #include - #endif - #define DEFAULT_DEVICE "/dev/misc/net/tun" +#ifdef LINUX_IF_TUN_H +#include LINUX_IF_TUN_H +#else +#include +#endif +#define DEFAULT_DEVICE "/dev/net/tun" #else - #define DEFAULT_DEVICE "/dev/tap0" +#define DEFAULT_DEVICE "/dev/tap0" #endif -#include #include "conf.h" +#include "logger.h" #include "net.h" -#include "subnet.h" -#include "logging.h" +#include "route.h" +#include "utils.h" -#include "system.h" - -#define DEVICE_TYPE_ETHERTAP 0 -#define DEVICE_TYPE_TUNTAP 1 +typedef enum device_type_t { + DEVICE_TYPE_ETHERTAP, + DEVICE_TYPE_TUN, + DEVICE_TYPE_TAP, +} device_type_t; int device_fd = -1; -int device_type; +device_type_t device_type; char *device; -char *interface; +char *iface; char ifrname[IFNAMSIZ]; char *device_info; int device_total_in = 0; int device_total_out = 0; -extern subnet_t mymac; - -/* - open the local ethertap device -*/ -int setup_device(void) +bool setup_device(void) { - struct ifreq ifr; + struct ifreq ifr; + + cp(); -cp - if(!get_config_string(lookup_config(config_tree, "Device"), &device)) - device = DEFAULT_DEVICE; + if(!get_config_string(lookup_config(config_tree, "Device"), &device)) + device = DEFAULT_DEVICE; - if(!get_config_string(lookup_config(config_tree, "Interface"), &interface)) + if(!get_config_string(lookup_config(config_tree, "Interface"), &iface)) #ifdef HAVE_TUNTAP - interface = netname; + iface = netname; #else - interface = rindex(device, '/')?rindex(device, '/')+1:device; + iface = rindex(device, '/') ? rindex(device, '/') + 1 : device; #endif -cp - if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) - { - syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno)); - return -1; - } -cp - /* Set default MAC address for ethertap devices */ - - mymac.type = SUBNET_MAC; - mymac.net.mac.address.x[0] = 0xfe; - mymac.net.mac.address.x[1] = 0xfd; - mymac.net.mac.address.x[2] = 0x00; - mymac.net.mac.address.x[3] = 0x00; - mymac.net.mac.address.x[4] = 0x00; - mymac.net.mac.address.x[5] = 0x00; + device_fd = open(device, O_RDWR | O_NONBLOCK); + + if(device_fd < 0) { + logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno)); + return false; + } #ifdef HAVE_TUNTAP - /* Ok now check if this is an old ethertap or a new tun/tap thingie */ - - memset(&ifr, 0, sizeof(ifr)); -cp - ifr.ifr_flags = IFF_TAP | IFF_NO_PI; - if (interface) - strncpy(ifr.ifr_name, interface, IFNAMSIZ); -cp - if (!ioctl(device_fd, TUNSETIFF, (void *) &ifr)) - { - device_info = _("Linux tun/tap device"); - device_type = DEVICE_TYPE_TUNTAP; - strncpy(ifrname, ifr.ifr_name, IFNAMSIZ); - interface = ifrname; - } - else - if (!ioctl(device_fd, (('T'<< 8) | 202), (void *) &ifr)) - { - syslog(LOG_WARNING, _("Old ioctl() request was needed for %s"), device); - device_type = DEVICE_TYPE_TUNTAP; - device_info = _("Linux tun/tap device"); - strncpy(ifrname, ifr.ifr_name, IFNAMSIZ); - interface = ifrname; - } - else + /* Ok now check if this is an old ethertap or a new tun/tap thingie */ + + memset(&ifr, 0, sizeof(ifr)); + if(routing_mode == RMODE_ROUTER) { + ifr.ifr_flags = IFF_TUN; + device_type = DEVICE_TYPE_TUN; + device_info = _("Linux tun/tap device (tun mode)"); + } else { + ifr.ifr_flags = IFF_TAP | IFF_NO_PI; + device_type = DEVICE_TYPE_TAP; + device_info = _("Linux tun/tap device (tap mode)"); + } + + if(iface) + strncpy(ifr.ifr_name, iface, IFNAMSIZ); + + if(!ioctl(device_fd, TUNSETIFF, (void *) &ifr)) { + strncpy(ifrname, ifr.ifr_name, IFNAMSIZ); + iface = ifrname; + } else if(!ioctl(device_fd, (('T' << 8) | 202), (void *) &ifr)) { + logger(LOG_WARNING, _("Old ioctl() request was needed for %s"), device); + strncpy(ifrname, ifr.ifr_name, IFNAMSIZ); + iface = ifrname; + } else #endif - { - device_info = _("Linux ethertap device"); - device_type = DEVICE_TYPE_ETHERTAP; - interface = rindex(device, '/')?rindex(device, '/')+1:device; - } - - syslog(LOG_INFO, _("%s is a %s"), device, device_info); -cp - return 0; + { + if(routing_mode == RMODE_ROUTER) + overwrite_mac = true; + device_info = _("Linux ethertap device"); + device_type = DEVICE_TYPE_ETHERTAP; + iface = rindex(device, '/') ? rindex(device, '/') + 1 : device; + } + + logger(LOG_INFO, _("%s is a %s"), device, device_info); + + return true; } void close_device(void) { -cp - close(device_fd); + cp(); + + close(device_fd); } -/* - read, encrypt and send data that is - available through the ethertap device -*/ -int read_packet(vpn_packet_t *packet) +bool read_packet(vpn_packet_t *packet) { - int lenin; -cp - if(device_type == DEVICE_TYPE_TUNTAP) - { - if((lenin = read(device_fd, packet->data, MTU)) <= 0) - { - syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } - - packet->len = lenin; - } - else /* ethertap */ - { - if((lenin = read(device_fd, packet->data - 2, MTU + 2)) <= 0) - { - syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } - - packet->len = lenin - 2; - } - - device_total_in += packet->len; - - if(debug_lvl >= DEBUG_TRAFFIC) - { - syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, device_info); - } - - return 0; -cp + int lenin; + + cp(); + + switch(device_type) { + case DEVICE_TYPE_TUN: + lenin = read(device_fd, packet->data + 10, MTU - 10); + + if(lenin <= 0) { + logger(LOG_ERR, _("Error while reading from %s %s: %s"), + device_info, device, strerror(errno)); + return false; + } + + packet->len = lenin + 10; + break; + case DEVICE_TYPE_TAP: + lenin = read(device_fd, packet->data, MTU); + + if(lenin <= 0) { + logger(LOG_ERR, _("Error while reading from %s %s: %s"), + device_info, device, strerror(errno)); + return false; + } + + packet->len = lenin; + break; + case DEVICE_TYPE_ETHERTAP: + lenin = read(device_fd, packet->data - 2, MTU + 2); + + if(lenin <= 0) { + logger(LOG_ERR, _("Error while reading from %s %s: %s"), + device_info, device, strerror(errno)); + return false; + } + + packet->len = lenin - 2; + break; + } + + device_total_in += packet->len; + + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, + device_info); + + return true; } -int write_packet(vpn_packet_t *packet) +bool write_packet(vpn_packet_t *packet) { -cp - if(debug_lvl >= DEBUG_TRAFFIC) - syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"), - packet->len, device_info); - - if(device_type == DEVICE_TYPE_TUNTAP) - { - if(write(device_fd, packet->data, packet->len) < 0) - { - syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } - } - else/* ethertap */ - { - *(short int *)(packet->data - 2) = packet->len; - if(write(device_fd, packet->data - 2, packet->len + 2) < 0) - { - syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } - } - - device_total_out += packet->len; -cp - return 0; + cp(); + + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"), + packet->len, device_info); + + switch(device_type) { + case DEVICE_TYPE_TUN: + packet->data[10] = packet->data[11] = 0; + if(write(device_fd, packet->data + 10, packet->len - 10) < 0) { + logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, + strerror(errno)); + return false; + } + break; + case DEVICE_TYPE_TAP: + if(write(device_fd, packet->data, packet->len) < 0) { + logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, + strerror(errno)); + return false; + } + break; + case DEVICE_TYPE_ETHERTAP: + *(short int *)(packet->data - 2) = packet->len; + + if(write(device_fd, packet->data - 2, packet->len + 2) < 0) { + logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, + strerror(errno)); + return false; + } + break; + } + + device_total_out += packet->len; + + return true; } void dump_device_stats(void) { -cp - syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); - syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); - syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); -cp + cp(); + + logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); + logger(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); + logger(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); } diff --git a/src/mingw/device.c b/src/mingw/device.c index b1adf0c4..33152861 100644 --- a/src/mingw/device.c +++ b/src/mingw/device.c @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: device.c,v 1.2 2003/08/24 20:38:29 guus Exp $ + $Id: device.c,v 1.3 2003/08/27 13:47:49 guus Exp $ */ #include "system.h" diff --git a/src/netbsd/device.c b/src/netbsd/device.c index f89c6bf5..0a506f1f 100644 --- a/src/netbsd/device.c +++ b/src/netbsd/device.c @@ -1,7 +1,7 @@ /* device.c -- Interaction with NetBSD tun device - Copyright (C) 2001-2002 Ivo Timmermans , - 2001-2002 Guus Sliepen + Copyright (C) 2001-2003 Ivo Timmermans , + 2001-2003 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,30 +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 1.3 2002/04/13 11:08:31 zarq Exp $ + $Id: device.c,v 1.4 2003/08/27 13:47:49 guus Exp $ */ -#include "config.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include +#include "system.h" + #include "conf.h" +#include "logger.h" #include "net.h" -#include "subnet.h" -#include "logging.h" - -#include "system.h" +#include "utils.h" #define DEFAULT_DEVICE "/dev/tun0" @@ -48,117 +33,89 @@ #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; -extern subnet_t mymac; - -/* - open the local ethertap device -*/ -int setup_device(void) +bool setup_device(void) { - 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; -cp - if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) - { - syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno)); - return -1; - } -cp - /* Set default MAC address for ethertap devices */ - - mymac.type = SUBNET_MAC; - mymac.net.mac.address.x[0] = 0xfe; - mymac.net.mac.address.x[1] = 0xfd; - mymac.net.mac.address.x[2] = 0x00; - mymac.net.mac.address.x[3] = 0x00; - mymac.net.mac.address.x[4] = 0x00; - mymac.net.mac.address.x[5] = 0x00; - - device_info = _("NetBSD tun device"); - - syslog(LOG_INFO, _("%s is a %s"), device, device_info); -cp - return 0; + cp(); + + if(!get_config_string(lookup_config(config_tree, "Device"), &device)) + device = DEFAULT_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 false; + } + + device_info = _("NetBSD tun device"); + + logger(LOG_INFO, _("%s is a %s"), device, device_info); + + return true; } void close_device(void) { -cp - close(device_fd); -cp + cp(); + + close(device_fd); } -int read_packet(vpn_packet_t *packet) +bool read_packet(vpn_packet_t *packet) { - int lenin; - u_int32_t type; - struct iovec vector[2] = {{&type, sizeof(type)}, {packet->data + 14, MTU - 14}}; -cp + int lenin; - if((lenin = readv(device_fd, vector, 2)) <= 0) - { - syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } + cp(); - memcpy(packet->data, mymac.net.mac.address.x, 6); - memcpy(packet->data + 6, mymac.net.mac.address.x, 6); - packet->data[12] = 0x08; - packet->data[13] = 0x00; + if((lenin = read(device_fd, packet->data + 14, MTU - 14)) <= 0) { + logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, + device, strerror(errno)); + return false; + } - packet->len = lenin + 10; + packet->data[12] = 0x08; + packet->data[13] = 0x00; - device_total_in += packet->len; + packet->len = lenin + 14; - if(debug_lvl >= DEBUG_TRAFFIC) - { - syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, device_info); - } + device_total_in += packet->len; - return 0; -cp + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, + device_info); + + return true; } -int write_packet(vpn_packet_t *packet) +bool write_packet(vpn_packet_t *packet) { - u_int32_t type = htonl(AF_INET); - struct iovec vector[2]; -cp - if(debug_lvl >= DEBUG_TRAFFIC) - syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"), - packet->len, device_info); - - vector[0].iov_base = &type; - vector[0].iov_len = sizeof(type); - vector[1].iov_base = packet->data + 14; - vector[1].iov_len = packet->len - 14; - - if(writev(device_fd, vector, 2) < 0) - { - syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } - - device_total_out += packet->len; -cp + cp(); + + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"), + packet->len, device_info); + + if(write(device_fd, packet->data + 14, packet->len - 14) < 0) { + logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, + strerror(errno)); + return false; + } + + device_total_out += packet->len; + + return true; } void dump_device_stats(void) { -cp - syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); - syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); - syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); -cp + cp(); + + logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); + logger(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); + logger(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); } diff --git a/src/openbsd/device.c b/src/openbsd/device.c index f47cc448..e82f3c37 100644 --- a/src/openbsd/device.c +++ b/src/openbsd/device.c @@ -1,7 +1,7 @@ /* device.c -- Interaction with OpenBSD tun device - Copyright (C) 2001-2002 Ivo Timmermans , - 2001-2002 Guus Sliepen + Copyright (C) 2001-2003 Ivo Timmermans , + 2001-2003 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,30 +17,16 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: device.c,v 1.3 2002/04/13 11:08:31 zarq Exp $ + $Id: device.c,v 1.4 2003/08/27 13:47:50 guus Exp $ */ -#include "config.h" - -#include -#include -#include +#include "system.h" #include -#include -#include -#include -#include -#include -#include -#include - -#include + #include "conf.h" +#include "logger.h" #include "net.h" -#include "subnet.h" -#include "logging.h" - -#include "system.h" +#include "utils.h" #define DEFAULT_DEVICE "/dev/tun0" @@ -48,148 +34,131 @@ #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; -extern subnet_t mymac; - -/* - open the local ethertap device -*/ -int setup_device(void) +bool setup_device(void) { - 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; -cp - if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) - { - syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno)); - return -1; - } -cp - /* Set default MAC address for ethertap devices */ - - mymac.type = SUBNET_MAC; - mymac.net.mac.address.x[0] = 0xfe; - mymac.net.mac.address.x[1] = 0xfd; - mymac.net.mac.address.x[2] = 0x00; - mymac.net.mac.address.x[3] = 0x00; - mymac.net.mac.address.x[4] = 0x00; - mymac.net.mac.address.x[5] = 0x00; - - device_info = _("OpenBSD tun device"); - - syslog(LOG_INFO, _("%s is a %s"), device, device_info); -cp - return 0; + cp(); + + if(!get_config_string(lookup_config(config_tree, "Device"), &device)) + device = DEFAULT_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 false; + } + + device_info = _("OpenBSD tun device"); + + logger(LOG_INFO, _("%s is a %s"), device, device_info); + + return true; } void close_device(void) { -cp - close(device_fd); -cp + cp(); + + close(device_fd); } -int read_packet(vpn_packet_t *packet) +bool read_packet(vpn_packet_t *packet) { - int lenin; - u_int32_t type; - struct iovec vector[2] = {{&type, sizeof(type)}, {packet->data + 14, MTU - 14}}; -cp - - if((lenin = readv(device_fd, vector, 2)) <= 0) - { - syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } - - memcpy(packet->data, mymac.net.mac.address.x, 6); - memcpy(packet->data + 6, mymac.net.mac.address.x, 6); - - switch(ntohl(type)) - { - case AF_INET: - packet->data[12] = 0x8; - packet->data[13] = 0x0; - break; - case AF_INET6: - packet->data[12] = 0x86; - packet->data[13] = 0xDD; - break; - default: - if(debug_lvl >= DEBUG_TRAFFIC) - syslog(LOG_ERR, _("Unknown address family %d while reading packet from %s %s"), ntohl(type), device_info, device); - return -1; - } - - packet->len = lenin + 10; - - device_total_in += packet->len; - - if(debug_lvl >= DEBUG_TRAFFIC) - { - syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, device_info); - } - - return 0; -cp + int lenin; + u_int32_t type; + struct iovec vector[2] = {{&type, sizeof(type)}, {packet->data + 14, MTU - 14}}; + + cp(); + + if((lenin = readv(device_fd, vector, 2)) <= 0) { + logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, + device, strerror(errno)); + return false; + } + + switch (ntohl(type)) { + case AF_INET: + packet->data[12] = 0x8; + packet->data[13] = 0x0; + break; + + case AF_INET6: + packet->data[12] = 0x86; + packet->data[13] = 0xDD; + break; + + default: + ifdebug(TRAFFIC) logger(LOG_ERR, + _ ("Unknown address family %d while reading packet from %s %s"), + ntohl(type), device_info, device); + return false; + } + + packet->len = lenin + 10; + + device_total_in += packet->len; + + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, + device_info); + + return true; } -int write_packet(vpn_packet_t *packet) +bool write_packet(vpn_packet_t *packet) { - u_int32_t type; - struct iovec vector[2]; - int af; -cp - if(debug_lvl >= DEBUG_TRAFFIC) - syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"), - packet->len, device_info); - - af = (packet->data[12] << 8) + packet->data[13]; - - switch(af) - { - case 0x800: - type = htonl(AF_INET); - break; - case 0x86DD: - type = htonl(AF_INET6); - break; - default: - if(debug_lvl >= DEBUG_TRAFFIC) - syslog(LOG_ERR, _("Unknown address family %d while writing packet to %s %s"), af, device_info, device); - return -1; - } - - vector[0].iov_base = &type; - vector[0].iov_len = sizeof(type); - vector[1].iov_base = packet->data + 14; - vector[1].iov_len = packet->len - 14; - - if(writev(device_fd, vector, 2) < 0) - { - syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } - - device_total_out += packet->len; -cp + u_int32_t type; + struct iovec vector[2]; + int af; + + cp(); + + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"), + packet->len, device_info); + + af = (packet->data[12] << 8) + packet->data[13]; + + switch (af) { + case 0x800: + type = htonl(AF_INET); + break; + case 0x86DD: + type = htonl(AF_INET6); + break; + default: + ifdebug(TRAFFIC) logger(LOG_ERR, + _("Unknown address family %d while writing packet to %s %s"), + af, device_info, device); + return false; + } + + vector[0].iov_base = &type; + vector[0].iov_len = sizeof(type); + vector[1].iov_base = packet->data + 14; + vector[1].iov_len = packet->len - 14; + + if(writev(device_fd, vector, 2) < 0) { + logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, + strerror(errno)); + return false; + } + + device_total_out += packet->len; + + return true; } void dump_device_stats(void) { -cp - syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); - syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); - syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); -cp + cp(); + + logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); + logger(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); + logger(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); } diff --git a/src/raw_socket/device.c b/src/raw_socket/device.c index 25445201..e613b9e5 100644 --- a/src/raw_socket/device.c +++ b/src/raw_socket/device.c @@ -17,7 +17,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: device.c,v 1.2 2003/08/24 20:38:31 guus Exp $ + $Id: device.c,v 1.3 2003/08/27 13:47:52 guus Exp $ */ #include "config.h" diff --git a/src/solaris/device.c b/src/solaris/device.c index f7a0f855..3ecaa903 100644 --- a/src/solaris/device.c +++ b/src/solaris/device.c @@ -1,7 +1,7 @@ /* device.c -- Interaction with Solaris tun device - Copyright (C) 2001-2002 Ivo Timmermans , - 2001-2002 Guus Sliepen + Copyright (C) 2001-2003 Ivo Timmermans , + 2001-2003 Guus Sliepen This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,180 +17,153 @@ along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - $Id: device.c,v 1.3 2002/04/13 11:08:31 zarq Exp $ + $Id: device.c,v 1.4 2003/08/27 13:47:52 guus Exp $ */ -#include "config.h" +#include "system.h" -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include #include #include #include -#define DEFAULT_DEVICE "/dev/tun" - -#include #include "conf.h" +#include "logger.h" #include "net.h" -#include "subnet.h" -#include "logging.h" +#include "utils.h" -#include "system.h" +#define DEFAULT_DEVICE "/dev/tun" int device_fd = -1; -int device_type; char *device = NULL; -char *interface = NULL; +char *iface = NULL; char ifrname[IFNAMSIZ]; char *device_info = NULL; int device_total_in = 0; int device_total_out = 0; -subnet_t mymac; - -int setup_device(void) +bool setup_device(void) { - int ip_fd = -1, if_fd = -1; - int ppa; - char *ptr; - -cp - if(!get_config_string(lookup_config(config_tree, "Device"), &device)) - device = DEFAULT_DEVICE; - -cp - if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) - { - syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno)); - return -1; - } -cp - ppa = 0; - - ptr = device; - while(*ptr && !isdigit((int)*ptr)) ptr++; - ppa = atoi(ptr); - - if( (ip_fd = open("/dev/ip", O_RDWR, 0)) < 0){ - syslog(LOG_ERR, _("Could not open /dev/ip: %s"), strerror(errno)); - return -1; - } - - /* Assign a new PPA and get its unit number. */ - if( (ppa = ioctl(device_fd, TUNNEWPPA, ppa)) < 0){ - syslog(LOG_ERR, _("Can't assign new interface: %s"), strerror(errno)); - return -1; - } - - if( (if_fd = open(device, O_RDWR, 0)) < 0){ - syslog(LOG_ERR, _("Could not open %s twice: %s"), device, strerror(errno)); - return -1; - } - - if(ioctl(if_fd, I_PUSH, "ip") < 0){ - syslog(LOG_ERR, _("Can't push IP module: %s"), strerror(errno)); - return -1; - } - - /* Assign ppa according to the unit number returned by tun device */ - if(ioctl(if_fd, IF_UNITSEL, (char *)&ppa) < 0){ - syslog(LOG_ERR, _("Can't set PPA %d: %s"), ppa, strerror(errno)); - return -1; - } - - if(ioctl(ip_fd, I_LINK, if_fd) < 0){ - syslog(LOG_ERR, _("Can't link TUN device to IP: %s"), strerror(errno)); - return -1; - } - - if(!get_config_string(lookup_config(config_tree, "Interface"), &interface)) - asprintf(&interface, "tun%d", ppa); - - device_info = _("Solaris tun device"); - - /* Set default MAC address for ethertap devices */ - - mymac.type = SUBNET_MAC; - mymac.net.mac.address.x[0] = 0xfe; - mymac.net.mac.address.x[1] = 0xfd; - mymac.net.mac.address.x[2] = 0x00; - mymac.net.mac.address.x[3] = 0x00; - mymac.net.mac.address.x[4] = 0x00; - mymac.net.mac.address.x[5] = 0x00; - - syslog(LOG_INFO, _("%s is a %s"), device, device_info); -cp - return 0; + int ip_fd = -1, if_fd = -1; + int ppa; + char *ptr; + + cp(); + + if(!get_config_string(lookup_config(config_tree, "Device"), &device)) + device = DEFAULT_DEVICE; + + if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) { + logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno)); + return false; + } + + ppa = 0; + + ptr = device; + while(*ptr && !isdigit((int) *ptr)) + ptr++; + ppa = atoi(ptr); + + if((ip_fd = open("/dev/ip", O_RDWR, 0)) < 0) { + logger(LOG_ERR, _("Could not open /dev/ip: %s"), strerror(errno)); + return false; + } + + /* Assign a new PPA and get its unit number. */ + if((ppa = ioctl(device_fd, TUNNEWPPA, ppa)) < 0) { + logger(LOG_ERR, _("Can't assign new interface: %s"), strerror(errno)); + return false; + } + + if((if_fd = open(device, O_RDWR, 0)) < 0) { + logger(LOG_ERR, _("Could not open %s twice: %s"), device, + strerror(errno)); + return false; + } + + if(ioctl(if_fd, I_PUSH, "ip") < 0) { + logger(LOG_ERR, _("Can't push IP module: %s"), strerror(errno)); + return false; + } + + /* Assign ppa according to the unit number returned by tun device */ + if(ioctl(if_fd, IF_UNITSEL, (char *) &ppa) < 0) { + logger(LOG_ERR, _("Can't set PPA %d: %s"), ppa, strerror(errno)); + return false; + } + + if(ioctl(ip_fd, I_LINK, if_fd) < 0) { + logger(LOG_ERR, _("Can't link TUN device to IP: %s"), strerror(errno)); + return false; + } + + if(!get_config_string(lookup_config(config_tree, "Interface"), &iface)) + asprintf(&iface, "tun%d", ppa); + + device_info = _("Solaris tun device"); + + logger(LOG_INFO, _("%s is a %s"), device, device_info); + + return true; } void close_device(void) { -cp - close(device_fd); + cp(); + + close(device_fd); } -int read_packet(vpn_packet_t *packet) +bool read_packet(vpn_packet_t *packet) { - int lenin; -cp - if((lenin = read(device_fd, packet->data + 14, MTU - 14)) <= 0) - { - syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno)); - return -1; - } - - memcpy(packet->data, mymac.net.mac.address.x, 6); - memcpy(packet->data + 6, mymac.net.mac.address.x, 6); - packet->data[12] = 0x08; - packet->data[13] = 0x00; - - packet->len = lenin + 14; - - device_total_in += packet->len; - - if(debug_lvl >= DEBUG_TRAFFIC) - { - syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, device_info); - } - - return 0; -cp + int lenin; + + cp(); + + if((lenin = read(device_fd, packet->data + 14, MTU - 14)) <= 0) { + logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, + device, strerror(errno)); + return false; + } + + packet->data[12] = 0x08; + packet->data[13] = 0x00; + + packet->len = lenin + 14; + + device_total_in += packet->len; + + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, + device_info); + + return true; } -int write_packet(vpn_packet_t *packet) +bool write_packet(vpn_packet_t *packet) { -cp - if(debug_lvl >= DEBUG_TRAFFIC) - syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"), - packet->len, device_info); - - if(write(device_fd, packet->data + 14, packet->len - 14) < 0) - { - syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, packet->len, strerror(errno)); - return -1; - } - - device_total_out += packet->len; -cp - return 0; + cp(); + + ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"), + packet->len, device_info); + + if(write(device_fd, packet->data + 14, packet->len - 14) < 0) { + logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, + device, strerror(errno)); + return false; + } + + device_total_out += packet->len; + + return true; } void dump_device_stats(void) { -cp - syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); - syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); - syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); -cp + cp(); + + logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device); + logger(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in); + logger(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out); } -- 2.20.1