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comparison src/common.c @ 54:4ff8003d0973

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Fix for OpenBSD tun/tap initialization
author Ivo Smits <Ivo@UCIS.nl>
date Sat, 23 Nov 2013 16:58:54 +0100
parents 3115f8af98bb
children 5685fad38195
comparison
equal deleted inserted replaced
53:15d651dec8e9 54:4ff8003d0973
214 int ttfd; //Tap device file descriptor 214 int ttfd; //Tap device file descriptor
215 int tunmode = 0; 215 int tunmode = 0;
216 if (envval = getconf("TUN_MODE")) tunmode = atoi(envval); 216 if (envval = getconf("TUN_MODE")) tunmode = atoi(envval);
217 session->use_pi = 0; 217 session->use_pi = 0;
218 if (tunmode && (envval = getconf("USE_PI"))) session->use_pi = atoi(envval); 218 if (tunmode && (envval = getconf("USE_PI"))) session->use_pi = atoi(envval);
219 #if defined linux 219 #if defined(__linux__)
220 struct ifreq ifr; //required for tun/tap setup 220 struct ifreq ifr; //required for tun/tap setup
221 memset(&ifr, 0, sizeof(ifr)); 221 memset(&ifr, 0, sizeof(ifr));
222 if ((ttfd = open("/dev/net/tun", O_RDWR)) < 0) return errorexitp("Could not open tun/tap device file"); 222 if ((ttfd = open("/dev/net/tun", O_RDWR)) < 0) return errorexitp("Could not open tun/tap device file");
223 if (envval = getconf("INTERFACE")) strcpy(ifr.ifr_name, envval); 223 if (envval = getconf("INTERFACE")) strcpy(ifr.ifr_name, envval);
224 ifr.ifr_flags = tunmode ? IFF_TUN : IFF_TAP; 224 ifr.ifr_flags = tunmode ? IFF_TUN : IFF_TAP;
241 if (!(envval = getconf("INTERFACE"))) envval = "/dev/tun0"; 241 if (!(envval = getconf("INTERFACE"))) envval = "/dev/tun0";
242 if ((ttfd = open(envval, O_RDWR)) < 0) return errorexitp("Could not open tun device file"); 242 if ((ttfd = open(envval, O_RDWR)) < 0) return errorexitp("Could not open tun device file");
243 if (tunmode) { 243 if (tunmode) {
244 int i = IFF_POINTOPOINT | IFF_MULTICAST; 244 int i = IFF_POINTOPOINT | IFF_MULTICAST;
245 ioctl(ttfd, TUNSIFMODE, &i); 245 ioctl(ttfd, TUNSIFMODE, &i);
246 #if defined(__OpenBSD__)
247 if (!session->use_pi) session->use_pi = 2;
248 #else
246 i = session->use_pi ? 1 : 0; 249 i = session->use_pi ? 1 : 0;
247 ioctl(ttfd, TUNSIFHEAD, &i); 250 ioctl(ttfd, TUNSIFHEAD, &i);
251 #endif
248 } 252 }
249 #endif 253 #endif
250 if (envval = getconf("TUN_UP_SCRIPT")) system(envval); 254 if (envval = getconf("TUN_UP_SCRIPT")) system(envval);
251 session->fd_dev = ttfd; 255 session->fd_dev = ttfd;
252 return ttfd; 256 return ttfd;