void my_Update_PowerDNS( dhcp_message *message ) { MYSQL_RES *res; char *hname, *dname; char qbuf[500]; int numr; hname = Lookup_ConfigOptsMacs( message, 12 ); if (hname == NULL) return; dname = Lookup_ConfigOpts( message, 15 ); if (dname == NULL) return; snprintf(qbuf,500,"delete from records where " "name = concat('%s','.','%s') and content != '%s'", hname, dname, message->s_ipaddr ); fprintf(stderr,"qv %d %60s\n", strlen(qbuf), qbuf ); if ( mysql_query( my_pdns_sock, qbuf ) ) { fprintf( stderr, "sql error\nq=%s \ne=%s\n", qbuf, mysql_error( my_pdns_sock ) ); return; } snprintf(qbuf,500,"delete from records where " "name != concat('%s','.','%s') and content = '%s'", hname, dname, message->s_ipaddr ); fprintf(stderr,"qv %d %60s\n", strlen(qbuf), qbuf ); if ( mysql_query( my_pdns_sock, qbuf ) ) { fprintf( stderr, "sql error\nq=%s \ne=%s\n", qbuf, mysql_error( my_pdns_sock ) ); return; } snprintf(qbuf,500,"select * from records where name = concat('%s','.','%s') and content = '%s'", hname, dname, message->s_ipaddr ); fprintf(stderr,"qv %d %60s\n", strlen(qbuf), qbuf ); if ( mysql_query( my_pdns_sock, qbuf ) ) { fprintf( stderr, "sql error\nq=%s \ne=%s\n", qbuf, mysql_error( my_pdns_sock ) ); return; } res = mysql_store_result( my_pdns_sock ); if (res != NULL) { numr = mysql_num_rows( res ); if (numr != 0) { mysql_free_result(res); return; } mysql_free_result(res); } snprintf(qbuf,500,"insert into records (domain_id,name,type,content,ttl) values " "( (select id from domains where name = '%s'), " "concat('%s','.','%s'),'A','%s',600)", dname, hname, dname, message->s_ipaddr ); fprintf(stderr,"qv %d %60s\n", strlen(qbuf), qbuf ); if ( mysql_query( my_pdns_sock, qbuf ) ) { fprintf( stderr, "sql error\nq=%s \ne=%s\n", qbuf, mysql_error( my_pdns_sock ) ); return; } }
int send_positive_message( dhcp_message *message, int mess_type ) { static char *newip_pref = NULL; u_int32_t lease_time; ConfigNets *netopts; /* check SQL table for this MAC address */ my_findMAC( message ); if (message->lease_type == LEASE_NOT_FOUND && message->in_opts.docsis_modem == 1 ) { my_syslog(LOG_INFO, "NAK -- unknown docsis modem: %s : %s ", message->s_macaddr,message->in_opts.vsi_model ); // my_findMAC_CMUNKNOWN( message ); send_NAK( message ); return 1; } if (message->lease_type == LEASE_NOT_FOUND && message->in_opts.docsis_modem == 2 ) { my_syslog(LOG_INFO, "NAK -- unknown mta from modem: %s ", message->s_modem_macaddr); // message->lease_type = LEASE_REJECT; send_NAK( message ); return 1; } if (message->lease_type == LEASE_REJECT) { return 0; } if (message->lease_type == LEASE_CPE && message->cpe_type == CPE_DYNAMIC && message->lockip == 0 && message->lease_time < 60 ) { // Your Lease has expired. You get a new IP! my_DeleteLease( message ); message->lease_type = LEASE_NOT_FOUND; } if ( Verify_Vlan( message ) ) { if (message->lease_type == LEASE_CM ) { my_syslog(LOG_WARNING, "NEW CM GIaddr mismatch (the CM moved) gi %s ip %s vlan %d", message->in_giaddr, message->s_ipaddr, message->vlan ); message->ipaddr = message->b_ipaddr = 0; message->s_ipaddr[0] = 0; } if (message->lease_type == LEASE_MTA ) { my_syslog(LOG_WARNING, "NEW MTA GIaddr mismatch (the CM moved) gi %s ip %s vlan %d", message->in_giaddr, message->s_ipaddr, message->vlan ); message->ipaddr = message->b_ipaddr = 0; message->s_ipaddr[0] = 0; } if (message->lease_type == LEASE_CPE ) { my_syslog(LOG_WARNING, "NEW -- GIaddr does not match vlan - gi %s ip %s vlan %d", message->in_giaddr, message->s_ipaddr, message->vlan ); if (message->cpe_type == CPE_STATIC) { my_DeleteLease( message ); message->lease_type = LEASE_NOT_FOUND; } else { // if message->cpe_type == CPE_DYNAMIC my_DeleteLease( message ); /* added 29.11.2014 */ message->lease_type = LEASE_NOAUTH; } } } if (message->lease_type == LEASE_NOT_FOUND && message->in_opts.agent_mac_len == 0) { my_syslog(LOG_WARNING, "NAK -- CPE asking for new IP directly - mac %s", message->s_macaddr ); send_NAK( message ); return 0; } if (newip_pref == NULL) newip_pref = GetConfigVar( "assign-new-ip" ); if (message->lease_type == LEASE_NOT_FOUND) { if (*newip_pref == 'n') return 0; my_getNewIP_CPE( message ); if (message->ipaddr == 0) { send_NAK( message ); return 1; } if (message->lease_type == LEASE_CPE) { if (message->cpe_type == CPE_STATIC) { my_syslog(LOG_INFO, "NEW STATIC -- mac %s ip %s vlan %d", message->s_macaddr, message->s_ipaddr, message->vlan ); } if (message->cpe_type == CPE_DYNAMIC) { my_syslog(LOG_INFO, "NEW DYNAMIC -- mac %s ip %s vlan %d", message->s_macaddr, message->s_ipaddr, message->vlan ); } } if (message->lease_type == LEASE_NOAUTH) { my_syslog(LOG_INFO, "NEW NOAUTH -- mac %s ip %s vlan %d", message->s_macaddr, message->s_ipaddr, message->vlan ); send_NAK( message ); /* added 29.11.2014 */ return 1; } } if ( my_Get_Net( message ) ) { my_syslog(LOG_WARNING, "NAK -- no subnet for ip %s mac %s vlan %d, lease_type %d", message->s_ipaddr, message->s_macaddr, message->vlan, message->lease_type ); send_NAK( message ); return 1; } if (message->in_opts.request_addr != 0 ) { if (message->ipaddr != message->in_opts.request_addr ) { my_syslog(LOG_ERR, "WARN -- bad ip requested %s mac %s real-ip %s", message->in_opts.s_request_addr, message->s_macaddr, message->s_ipaddr ); } } netopts = Get_Net_Opts( message->netptr ); message->out_pack.op = BOOTREPLY; message->out_pack.htype = ETH_10MB; message->out_pack.hlen = ETH_10MB_LEN; message->out_pack.hops = message->in_pack.hops; message->out_pack.flags = message->in_pack.flags; message->out_pack.xid = message->in_pack.xid; message->out_pack.ciaddr = message->in_pack.ciaddr; message->out_pack.yiaddr = message->ipaddr; message->out_pack.siaddr = message->server_ip; message->out_pack.giaddr = message->in_pack.giaddr; message->out_pack.cookie = DHCP_MAGIC; memcpy( message->out_pack.macaddr, message->macaddr, 6 ); initOpt( message ); if (mess_type == DHCP_OFFER) { addOpt( 0x35, 0x01, "\x02"); } if (mess_type == DHCP_ACK) { addOpt( 0x35, 0x01, "\x05"); } // subnet mask addOpt( 0x01, 0x04, (char *) &(netopts->mask) ); // gateway addOpt( 0x03, 0x04, (char *) &(netopts->gateway) ); // Broadcast Address addOpt( 0x1c, 0x04, (char *) &(netopts->broadcast) ); // Lease Times message->lease_time = netopts->lease_time; lease_time = htonl( message->lease_time ); addOpt( 0x33, 0x04, (char *) &lease_time ); lease_time = htonl( message->lease_time / 2 ); addOpt( 0x3A, 0x04, (char *) &lease_time ); lease_time = htonl( message->lease_time / 100 * 87.5 ); addOpt( 0x3B, 0x04, (char *) &lease_time ); addBigOpt( my_Get_Opt( 1, message->b_macaddr ) ); addBigOpt( my_Get_Opt( message->opt, 0 ) ); if (netopts->opt1 != message->opt) addBigOpt( my_Get_Opt( netopts->opt1, 0 ) ); if (netopts->opt2 != message->opt) addBigOpt( my_Get_Opt( netopts->opt2, 0 ) ); if (netopts->opt3 != message->opt) addBigOpt( my_Get_Opt( netopts->opt3, 0 ) ); /* Config File Name */ if (message->cfname != NULL && message->cfname[0] != 0) { strncpy( message->out_pack.file, message->cfname, 127 ); addOpt( 0x43, strlen( message->out_pack.file ), message->cfname ); } else { char *cf = Lookup_ConfigOptsMacs(message,0x43); if (cf != NULL) strncpy( message->out_pack.file, cf, 127 ); } /* Add Terminator */ addOpt( 0xff, 0x00, NULL ); my_dhcplog( mess_type, message ); sendPacket( message ); // if (mess_type == DHCP_OFFER && if (message->lease_type == LEASE_CM) { // Update AgentID of cablemodem my_UpdateAgent( message ); } if (message->lease_type == LEASE_MTA) { // Update AgentID of cablemodem my_UpdateAgent( message ); } if (message->lease_type == LEASE_UNKNOWN) { // Update AgentID of cablemodem my_UpdateAgent( message ); } /* if a customer pc, update the leases table, if a cable modem dont bother */ if (message->lease_type == LEASE_CPE || message->lease_type == LEASE_NOAUTH ) { my_UpdateLease( message ); } return 1; }