X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Flinux%2Fdevice.c;h=02d7a7a5c843350296cb0d4f5ac650d5013cea2d;hp=1cb43077ade594f9749739d887660e02ed5c7605;hb=c0a3f67a5d66088aaf526f1461986f9e86d5dd1f;hpb=2165931c62f0433fd97bd3ac6aefea3627218946 diff --git a/src/linux/device.c b/src/linux/device.c index 1cb43077..02d7a7a5 100644 --- a/src/linux/device.c +++ b/src/linux/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 1.1.2.3 2001/10/27 13:13:35 guus Exp $ + $Id: device.c,v 1.1.2.4 2001/10/31 12:50:24 guus Exp $ */ #include "config.h" @@ -55,7 +55,9 @@ int device_fd = -1; int device_type; -char *device_fname; +char *device; +char *interface; +char ifrname[IFNAMSIZ]; char *device_info; int device_total_in = 0; @@ -71,13 +73,15 @@ int setup_device(void) struct ifreq ifr; cp - if(!get_config_string(lookup_config(config_tree, "Device"), &device_fname)) - device_fname = 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)) + interface = netname; cp - if((device_fd = open(device_fname, O_RDWR | O_NONBLOCK)) < 0) + if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) { - syslog(LOG_ERR, _("Could not open %s: %m"), device_fname); + syslog(LOG_ERR, _("Could not open %s: %m"), device); return -1; } cp @@ -97,20 +101,24 @@ cp memset(&ifr, 0, sizeof(ifr)); cp ifr.ifr_flags = IFF_TAP | IFF_NO_PI; - if (netname) - strncpy(ifr.ifr_name, netname, IFNAMSIZ); + if (interface) + strncpy(ifr.ifr_name, interface, IFNAMSIZ); cp if (!ioctl(device_fd, TUNSETIFF, (void *) &ifr)) { - device_info = _("Linux tun/tap device"); + 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_fname); + 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 #endif @@ -119,7 +127,7 @@ cp device_type = DEVICE_TYPE_ETHERTAP; } - syslog(LOG_INFO, _("%s is a %s"), device_fname, device_info); + syslog(LOG_INFO, _("%s is a %s"), device, device_info); cp return 0; } @@ -142,7 +150,7 @@ cp { if((lenin = read(device_fd, packet->data, MTU)) <= 0) { - syslog(LOG_ERR, _("Error while reading from %s %s: %m"), device_info, device_fname); + syslog(LOG_ERR, _("Error while reading from %s %s: %m"), device_info, device); return -1; } @@ -154,7 +162,7 @@ cp if((lenin = readv(device_fd, vector, 2)) <= 0) { - syslog(LOG_ERR, _("Error while reading from %s %s: %m"), device_info, device_fname); + syslog(LOG_ERR, _("Error while reading from %s %s: %m"), device_info, device); return -1; } @@ -183,7 +191,7 @@ cp { if(write(device_fd, packet->data, packet->len) < 0) { - syslog(LOG_ERR, _("Can't write to %s %s: %m"), device_info, device_fname); + syslog(LOG_ERR, _("Can't write to %s %s: %m"), device_info, device); return -1; } } @@ -193,7 +201,7 @@ cp if(writev(device_fd, vector, 2) < 0) { - syslog(LOG_ERR, _("Can't write to %s %s: %m"), device_info, device_fname); + syslog(LOG_ERR, _("Can't write to %s %s: %m"), device_info, device); return -1; } } @@ -206,7 +214,7 @@ cp void dump_device_stats(void) { cp - syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device_fname); + 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