X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet.c;h=e9d6ecbac4281020b769d1107474403921e481ee;hp=0e251bee67040ee7dd6a9cc58e29ca3517014180;hb=bb3d18d56fa0dd2bc5146d0a0044b6ef0880bdb4;hpb=85adeef21275633b78a234b2660cbe3bc9dd2c33 diff --git a/src/net.c b/src/net.c index 0e251bee..e9d6ecba 100644 --- a/src/net.c +++ b/src/net.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: net.c,v 1.35.4.36 2000/10/15 00:59:34 guus Exp $ + $Id: net.c,v 1.35.4.39 2000/10/16 16:33:29 guus Exp $ */ #include "config.h" @@ -37,9 +37,10 @@ #include #include -/* Next two includes are for tun/tap support */ +#ifdef HAVE_TUNTAP #include -#include "/usr/src/linux/include/linux/if_tun.h" +#include LINUX_IF_TUN_H +#endif #include #include @@ -332,12 +333,19 @@ int setup_tap_fd(void) int nfd; const char *tapfname; config_t const *cfg; + +#ifdef HAVE_TUNTAP struct ifreq ifr; +#endif cp if((cfg = get_config_val(config, tapdevice))) tapfname = cfg->data.ptr; else +#ifdef HAVE_TUNTAP tapfname = "/dev/misc/net/tun"; +#else + tapfname = "/dev/tap0"; +#endif cp if((nfd = open(tapfname, O_RDWR | O_NONBLOCK)) < 0) { @@ -347,8 +355,8 @@ cp cp tap_fd = nfd; +#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; @@ -363,6 +371,7 @@ cp else /* Setup inetaddr/netmask etc */; } +#endif cp return 0; @@ -526,6 +535,8 @@ cp if(debug_lvl > 0) syslog(LOG_INFO, _("Connected to %s port %hd"), cl->hostname, cl->port); + + cl->status.meta = 1; cp return 0; } @@ -537,18 +548,42 @@ cp an authentication sequence during which we will do just that. */ -int setup_outgoing_connection(char *hostname) +int setup_outgoing_connection(char *name) { conn_list_t *ncn; struct hostent *h; + config_t *cfg; cp - if(!(h = gethostbyname(hostname))) + if(check_id(name)) { - syslog(LOG_ERR, _("Error looking up `%s': %m"), hostname); + syslog(LOG_ERR, _("Invalid name for outgoing connection")); return -1; } ncn = new_conn_list(); + asprintf(&ncn->name, "%s", name); + + if(read_host_config(ncn)) + { + syslog(LOG_ERR, _("Error reading host configuration file for %s")); + free_conn_list(ncn); + return -1; + } + + if(!(cfg = get_config_val(ncn->config, address))) + { + syslog(LOG_ERR, _("No address specified for %s")); + free_conn_list(ncn); + return -1; + } + + if(!(h = gethostbyname(cfg->data.ptr))) + { + syslog(LOG_ERR, _("Error looking up `%s': %m"), cfg->data.ptr); + free_conn_list(ncn); + return -1; + } + ncn->address = ntohl(*((ip_t*)(h->h_addr_list[0]))); ncn->hostname = hostlookup(htonl(ncn->address)); @@ -560,10 +595,15 @@ cp return -1; } - ncn->status.meta = 1; ncn->status.outgoing = 1; - ncn->next = conn_list; - conn_list = ncn; + ncn->buffer = xmalloc(MAXBUFSIZE); + ncn->buflen = 0; + ncn->last_ping_time = time(NULL); + ncn->want_ping = 0; + + conn_list_add(ncn); + + send_id(ncn); cp return 0; } @@ -587,7 +627,7 @@ cp return -1; } else - myself->name = (char*)cfg->data.val; + asprintf(&myself->name, "%s", (char*)cfg->data.val); if(check_id(myself->name)) { @@ -639,9 +679,12 @@ sigalrm_handler(int a) { config_t const *cfg; cp -/* FIXME! Use name instead of upstreamip. - cfg = get_next_config_val(config, upstreamip, upstreamindex++); -*/ + cfg = get_next_config_val(config, connectto, upstreamindex++); + + if(!upstreamindex && !cfg) + /* No upstream IP given, we're listen only. */ + return; + while(cfg) { if(!setup_outgoing_connection(cfg->data.ptr)) /* function returns 0 when there are no problems */ @@ -649,7 +692,7 @@ cp signal(SIGALRM, SIG_IGN); return; } -// cfg = get_next_config_val(config, upstreamip, upstreamindex++); /* Or else we try the next ConnectTo line */ + cfg = get_next_config_val(config, connectto, upstreamindex++); /* Or else we try the next ConnectTo line */ } signal(SIGALRM, sigalrm_handler); @@ -681,7 +724,7 @@ cp if(setup_myself() < 0) return -1; -// if((cfg = get_next_config_val(config, upstreamip, upstreamindex++)) == NULL) + if((cfg = get_next_config_val(config, connectto, upstreamindex++)) == NULL) /* No upstream IP given, we're listen only. */ return 0; @@ -689,7 +732,7 @@ cp { if(!setup_outgoing_connection(cfg->data.ptr)) /* function returns 0 when there are no problems */ return 0; -// cfg = get_next_config_val(config, upstreamip, upstreamindex++); /* Or else we try the next ConnectTo line */ + cfg = get_next_config_val(config, connectto, upstreamindex++); /* Or else we try the next ConnectTo line */ } signal(SIGALRM, sigalrm_handler); @@ -813,11 +856,7 @@ cp syslog(LOG_NOTICE, _("Connection from %s port %d"), p->hostname, htons(ci.sin_port)); - if(send_id(p) < 0) - { - free_conn_list(p); - return NULL; - } + p->allow_request = ID; cp return p; }