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comparison src/common.c @ 32:51c6d2fc712f V2.1.8

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Fixes contributed by Daniel Dickinson <daniel@cshore.neomailbox.net>
author Ivo Smits <Ivo@UCIS.nl>
date Wed, 12 Oct 2011 01:34:46 +0200
parents 6f0e6b7dc088
children 422f3582bd38
comparison
equal deleted inserted replaced
31:a51d07ac3f1b 32:51c6d2fc712f
144 144
145 int init_tuntap() { 145 int init_tuntap() {
146 char* envval; 146 char* envval;
147 fprintf(stderr, "Initializing tun/tap device...\n"); 147 fprintf(stderr, "Initializing tun/tap device...\n");
148 int ttfd; //Tap device file descriptor 148 int ttfd; //Tap device file descriptor
149 #ifdef linux 149 #if defined linux
150 struct ifreq ifr; //required for tun/tap setup 150 struct ifreq ifr; //required for tun/tap setup
151 memset(&ifr, 0, sizeof(ifr)); 151 memset(&ifr, 0, sizeof(ifr));
152 if ((ttfd = open("/dev/net/tun", O_RDWR)) < 0) return errorexitp("Could not open tun/tap device file"); 152 if ((ttfd = open("/dev/net/tun", O_RDWR)) < 0) return errorexitp("Could not open tun/tap device file");
153 if (envval = getconf("INTERFACE")) strcpy(ifr.ifr_name, envval); 153 if (envval = getconf("INTERFACE")) strcpy(ifr.ifr_name, envval);
154 ifr.ifr_flags = getconf("TUN_MODE") ? IFF_TUN : IFF_TAP; 154 if ((envval = getconf("TUN_MODE")) && atoi(envval)) {
155 ifr.ifr_flags |= getconf("USE_PI") ? 0 : IFF_NO_PI; 155 ifr.ifr_flags = IFF_TUN;
156 } else {
157 ifr.ifr_flags = IFF_TAP;
158 }
159 if (!(envval = getconf("USE_PI")) || !atoi(envval)) {
160 ifr.ifr_flags |= IFF_NO_PI;
161 }
156 if (ioctl(ttfd, TUNSETIFF, (void *)&ifr) < 0) return errorexitp("TUNSETIFF ioctl failed"); 162 if (ioctl(ttfd, TUNSETIFF, (void *)&ifr) < 0) return errorexitp("TUNSETIFF ioctl failed");
157 #else 163 #elif defined SOLARIS
158 #ifdef SOLARIS
159 int ip_fd = -1, if_fd = -1, ppa = 0; 164 int ip_fd = -1, if_fd = -1, ppa = 0;
160 if ((ttfd = open("/dev/tun", O_RDWR)) < 0) return errorexitp("Could not open tun device file"); 165 if ((ttfd = open("/dev/tun", O_RDWR)) < 0) return errorexitp("Could not open tun device file");
161 if ((ip_fd = open("/dev/ip", O_RDWR, 0)) < 0) return errorexitp("Could not open /dev/ip"); 166 if ((ip_fd = open("/dev/ip", O_RDWR, 0)) < 0) return errorexitp("Could not open /dev/ip");
162 if ((envval = getconf("INTERFACE"))) { 167 if ((envval = getconf("INTERFACE"))) {
163 while (*envval && !isdigit((int)*envval)) envval++; 168 while (*envval && !isdigit((int)*envval)) envval++;
169 if (ioctl(if_fd, IF_UNITSEL, (char *)&ppa) < 0) return errorexitp("Could not set PPA"); 174 if (ioctl(if_fd, IF_UNITSEL, (char *)&ppa) < 0) return errorexitp("Could not set PPA");
170 if (ioctl(ip_fd, I_LINK, if_fd) < 0) return errorexitp("Could not link TUN device to IP"); 175 if (ioctl(ip_fd, I_LINK, if_fd) < 0) return errorexitp("Could not link TUN device to IP");
171 #else 176 #else
172 if (!(envval = getconf("INTERFACE"))) envval = "/dev/tun0"; 177 if (!(envval = getconf("INTERFACE"))) envval = "/dev/tun0";
173 if ((ttfd = open(envval, O_RDWR)) < 0) return errorexitp("Could not open tun device file"); 178 if ((ttfd = open(envval, O_RDWR)) < 0) return errorexitp("Could not open tun device file");
174 #endif
175 #endif 179 #endif
176 return ttfd; 180 return ttfd;
177 } 181 }
178 182
179 void hex2bin(unsigned char* dest, unsigned char* src, int count) { 183 void hex2bin(unsigned char* dest, unsigned char* src, int count) {