diff options
Diffstat (limited to 'src/bsd/tun.c')
| -rw-r--r-- | src/bsd/tun.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/src/bsd/tun.c b/src/bsd/tun.c index a995c35..734c3d8 100644 --- a/src/bsd/tun.c +++ b/src/bsd/tun.c @@ -13,9 +13,9 @@ * message authentication based on the methodes used by SRTP. It is * intended to deliver a generic, scaleable and secure solution for * tunneling and relaying of packets of any protocol. - * * - * Copyright (C) 2007-2010 Christian Pointner <equinox@anytun.org> + * + * Copyright (C) 2007-2014 Christian Pointner <equinox@anytun.org> * * This file is part of uAnytun. * @@ -58,9 +58,9 @@ int tun_init(tun_device_t* dev, const char* dev_name, const char* dev_type, const char* ifcfg_addr, u_int16_t ifcfg_prefix) { - if(!dev) + if(!dev) return -1; - + tun_conf(dev, dev_name, dev_type, ifcfg_addr, ifcfg_prefix, 1400); dev->actual_name_ = NULL; @@ -109,7 +109,7 @@ int tun_init(tun_device_t* dev, const char* dev_name, const char* dev_type, cons tun_close(dev); return -2; } - + dev->fd_ = open(device_file_tmp, O_RDWR); free(device_file_tmp); if(dev->fd_ >= 0) @@ -125,7 +125,7 @@ int tun_init(tun_device_t* dev, const char* dev_name, const char* dev_type, cons log_printf(ERROR, "can't open device file dynamically: no unused node left"); else log_printf(ERROR, "can't open device file (%s): %s", device_file, strerror(errno)); - + tun_close(dev); return -1; } @@ -164,18 +164,18 @@ int tun_init_post(tun_device_t* dev) dev->with_pi_ = 1; if(dev->type_ == TYPE_TAP) dev->with_pi_ = 0; - - struct tuninfo ti; + + struct tuninfo ti; if(ioctl(dev->fd_, TUNGIFINFO, &ti) < 0) { log_printf(ERROR, "can't enable multicast for interface: %s", strerror(errno)); return -1; - } + } ti.flags |= IFF_MULTICAST; if(dev->type_ == TYPE_TUN) ti.flags &= ~IFF_POINTOPOINT; - + if(ioctl(dev->fd_, TUNSIFINFO, &ti) < 0) { log_printf(ERROR, "can't enable multicast for interface: %s", strerror(errno)); return -1; @@ -199,20 +199,20 @@ int tun_init_post(tun_device_t* dev) if(ioctl(dev->fd_, TUNSLMODE, &arg) < 0) { log_printf(ERROR, "can't disable link-layer mode for interface: %s", strerror(errno)); return -1; - } + } arg = 1; if(ioctl(dev->fd_, TUNSIFHEAD, &arg) < 0) { log_printf(ERROR, "can't enable multi-af mode for interface: %s", strerror(errno)); return -1; - } + } arg = IFF_BROADCAST; arg |= IFF_MULTICAST; if(ioctl(dev->fd_, TUNSIFMODE, &arg) < 0) { log_printf(ERROR, "can't enable multicast for interface: %s", strerror(errno)); return -1; - } + } } return 0; @@ -268,7 +268,7 @@ int tun_read(tun_device_t* dev, u_int8_t* buf, u_int32_t len) { struct iovec iov[2]; u_int32_t type; - + iov[0].iov_base = &type; iov[0].iov_len = sizeof(type); iov[1].iov_base = buf; @@ -292,13 +292,13 @@ int tun_write(tun_device_t* dev, u_int8_t* buf, u_int32_t len) struct iovec iov[2]; u_int32_t type; struct ip *hdr = (struct ip*)buf; - + type = 0; if(hdr->ip_v == 4) type = htonl(AF_INET); else type = htonl(AF_INET6); - + iov[0].iov_base = &type; iov[0].iov_len = sizeof(type); iov[1].iov_base = buf; |