int wtpconf_primary_if() { if (!conf_primary_if ) { conf_primary_if = sock_get_primary_if(AF_INET6); if (!conf_primary_if) conf_primary_if = sock_get_primary_if(AF_INET); } if (!conf_primary_if){ cw_log(LOG_ERR,"Fatal: Unable to detect primary interface"); return 0; } if (!sock_getifhwaddr(conf_primary_if,conf_macaddress,&conf_macaddress_len)){ cw_log(LOG_ERR,"Fatal: Unable to detect link layer address for %s:",conf_primary_if, strerror(errno)); return 0; }; cw_dbg(DBG_INFO, "Primary interface: %s, mac address: %s.", conf_primary_if, sock_hwaddr2str(conf_macaddress,conf_macaddress_len) ); return 1; }
int wtpconf_primary_if() { #ifdef WITH_IPV6 conf_primary_if = sock_get_primary_if(AF_INET6); if (!conf_primary_if) conf_primary_if = sock_get_primary_if(AF_INET); #else conf_primary_if = get_primary_if(AF_INET); #endif if (!conf_primary_if){ cw_log(LOG_ERR,"Fatal: Unable to detect primary interface"); return 0; } if (!sock_getifhwaddr(conf_primary_if,conf_macaddress,&conf_macaddress_len)){ cw_log(LOG_ERR,"Fatal: Unable to detect link layer address for %s.",conf_primary_if); return 0; }; cw_dbg(DBG_CW_INFO, "Primary interface: %s, mac address: %s.", conf_primary_if, sock_hwaddr2str(conf_macaddress,conf_macaddress_len) ); return 1; }
int hdr_print(char *str, uint8_t *packet, int len) { char *s = str; if (len<1){ s+=sprintf(s,"\tNo info available."); return s-str; } int preamble = cw_get_hdr_preamble(packet); //CWTH_GET_PREAMBLE(packet); if (preamble==01){ s+=sprintf(s,"\tEncrypted data."); return s-str; } if (preamble!=00){ s+=sprintf(s,"\tWrong CAPWAP version or encryption type."); return s-str; } if (len < 4){ s+=sprintf(s,"\tNo more data. Packet too short."); return s-str; } int hlen = cw_get_hdr_hlen(packet); //CWTH_GET_HLEN(packet); int rid = cw_get_hdr_rid(packet); int wbid = cw_get_hdr_wbid(packet); s+=sprintf(s,"\tHLEN: %d, RID: %02X, WBID %02X",hlen,rid,wbid); s+=sprintf(s," Flags: (T=%d,F=%d,L=%d,W=%d,M=%d,K=%d)\n", cw_get_hdr_flag_t(packet), cw_get_hdr_flag_f(packet), cw_get_hdr_flag_l(packet), cw_get_hdr_flag_w(packet), cw_get_hdr_flag_m(packet), cw_get_hdr_flag_k(packet) ); if (cw_get_hdr_flag_m(packet)){ uint8_t * rmac = cw_get_hdr_rmac(packet); s+=sprintf(s,"\tRadio MAC: %s\n",sock_hwaddr2str(bstr_data(rmac), bstr_len(rmac))); } if (len < 8){ s+=sprintf(s,"\tNo more data. Packet too short."); return s-str; } int frag_id = cw_get_hdr_fragid(packet); int frag_offs = cw_get_hdr_fragoffset(packet); s+=sprintf(s,"\tFrag Id: %d, Frag Offs:: %d\n",frag_id,frag_offs); int bhlen = 4*hlen; if (cw_get_hdr_flag_f(packet) && frag_offs!=0){ s+=sprintf(s,"\tFragment data ..."); return s-str; } if (len<bhlen+4){ s+=sprintf(s,"\tNo more data. Packet too short."); return s-str; } int msgtype = ntohl(*((uint32_t*)(packet+bhlen))); s+=sprintf(s,"\tMsgType: %d",msgtype); if (len<bhlen+8){ s+=sprintf(s,"\n\tNo more data. Packet too short."); return s-str; } int seqnum = (ntohl(*((uint32_t*)(packet+bhlen+4))))>>24; int msgelemlen = 0xFF & ((ntohl(*((uint32_t*)(packet+bhlen+4))))>>8); s+=sprintf(s,", SeqNum: %d, MsgelemLen:%d",seqnum,msgelemlen); return s-str; }