?? macdhcp.cpp
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#include "macdhcp.h"macdhcp::macdhcp(){ ifc.ifc_len = sizeof buf; ifc.ifc_buf = (caddr_t) buf; if( !(fd = socket (AF_INET, SOCK_DGRAM, 0)) ) { qWarning( "DEBUG: can't open socket" ); }}macdhcp::~macdhcp(){ //close(fd); }int macdhcp::getIfNum(){ if (!ioctl (fd, SIOCGIFCONF, (char *) &ifc)) { interfaceNum = ifc.ifc_len / sizeof (struct ifreq); if( interfaceNum > MAXINTERFACES ){ interfaceNum = MAXINTERFACES; printf( "interface is too much, we'll list max %d!\n", MAXINTERFACES ); } return interfaceNum; } return 0;}QString macdhcp::getMacAddress(int ifnumber){ QString tempString; if (!(ioctl (fd, SIOCGIFHWADDR, (char *) &buf[ifnumber]))){ tempString.sprintf( "%02x-%02x-%02x-%02x-%02x-%02x", (unsigned char)buf[ifnumber].ifr_hwaddr.sa_data[0], (unsigned char)buf[ifnumber].ifr_hwaddr.sa_data[1], (unsigned char)buf[ifnumber].ifr_hwaddr.sa_data[2], (unsigned char)buf[ifnumber].ifr_hwaddr.sa_data[3], (unsigned char)buf[ifnumber].ifr_hwaddr.sa_data[4], (unsigned char)buf[ifnumber].ifr_hwaddr.sa_data[5]); } else{ tempString.sprintf( "192.168.0.120" ); setIPAddress(ifnumber, tempString); } return tempString;}QString macdhcp::getNetwork(){ QString tempString,SN; unsigned int network=intIp&intNetmask; SN = tempString.sprintf( "%d.",network&0xff ); SN += tempString.sprintf( "%d.",network>>8&0xff ); SN += tempString.sprintf( "%d.",network>>16&0xff ); SN += tempString.sprintf( "%d",network>>24&0xff ); return SN;}QString macdhcp::getBroadcast(){ QString tempString,SB; unsigned int broadcast=intIp&intNetmask; SB = tempString.sprintf( "%d.",broadcast&0xff ); SB += tempString.sprintf( "%d.",broadcast>>8&0xff ); SB += tempString.sprintf( "%d.",broadcast>>16&0xff ); SB += tempString.sprintf( "%d",255 ); return SB;}QString macdhcp::getNetMask(int ifnumber){ QString tempString, netmask; unsigned int templong; if (!(ioctl (fd, SIOCGIFNETMASK, (char *) &buf[ifnumber]))){ intNetmask=templong = (unsigned int)((struct sockaddr_in*)(&buf[ifnumber].ifr_netmask))->sin_addr.s_addr; netmask = tempString.sprintf( "%d.",templong&0xff ); netmask += tempString.sprintf( "%d.",templong>>8&0xff ); netmask += tempString.sprintf( "%d.",templong>>16&0xff ); netmask += tempString.sprintf( "%d",templong>>24&0xff ); } else{ intNetmask=0xffffff00; netmask.sprintf( "255.255.255.0" ); system("ifconfig eth0 netmask 255.255.255.0 up"); setNetMask(ifnumber,netmask); } return netmask; }QString macdhcp::setNetMask(int ifnumber, QString netmask){ QString tempString; int tempPosition; tempString.sprintf( "ifconfig " + getIfName(ifnumber) + " netmask " + netmask ); tempPosition = tempString.find( '\n', 0, TRUE ); if( tempPosition > 0 ){ tempString.remove( tempPosition, 1 ); } system( tempString ); tempString = getNetMask( ifnumber ); return tempString;}QString macdhcp::getIPAddress(int ifnumber){ QString tempString, ipAddress; unsigned int templong; if (!(ioctl (fd, SIOCGIFADDR, (char *) &buf[ifnumber]))){ intIp=templong = (unsigned int)((struct sockaddr_in*)(&buf[ifnumber].ifr_addr))->sin_addr.s_addr; ipAddress = tempString.sprintf( "%d.",templong&0xff ); ipAddress += tempString.sprintf( "%d.",templong>>8&0xff ); ipAddress += tempString.sprintf( "%d.",templong>>16&0xff ); ipAddress += tempString.sprintf( "%d",templong>>24&0xff ); } else{ intIp=0xc0a80078; ipAddress.sprintf( "192.168.0.120" ); system("ifconfig eth0 192.168.0.120 up"); setIPAddress(ifnumber,ipAddress); } return ipAddress;}QString macdhcp::getDNS(){ QString tempString; char temp[100], temp1[20],temp2[20]; FILE *fp; tempString.sprintf( "NA" ); if( (fp = fopen( "/etc/resolv.conf", "r" ) ) >= 0 ){ fgets( temp, 100, fp ); do{ sscanf( temp, "%s %s", temp1, temp2 ); if( strcmp( temp1, "nameserver" ) == 0 ){ tempString.sprintf( "%s", temp2 ); break; } }while( fgets( temp, 100, fp ) != '\0' ); } fclose( fp ); if(tempString.find("NA")==-1) tempString=checkIP(tempString); return tempString;}QString macdhcp::getGateway(){ QString tempString,gatewayString; QHostAddress GWAddress; bool ok; char temp[100], temp1[10],temp2[10],temp3[10],temp4[10]; long gateway; FILE *fp; tempString.sprintf( "NA" ); if( (fp = fopen( "/proc/net/route", "r" ) ) >= 0 ){ fgets(temp, 100, fp ); while( fgets( temp, 100, fp ) != '\0' ){ memset( temp1, 0, 10 ); memset( temp2, 0, 10 ); memset( temp3, 0, 10 ); memset( temp4, 0, 10 ); sscanf( temp, "%s %s %s %s", temp1, temp2, temp3, temp4 ); if( strcmp( temp3, "00000000" ) != 0 && strcmp( temp2, "" ) != 0 ){ gatewayString.sprintf( "%s", temp3 ); gateway = gatewayString.toUInt( &ok, 16 ); gateway = ntohl( gateway ); GWAddress.setAddress( gateway ); tempString = GWAddress.toString(); break; } } } fclose( fp ); if(tempString.find("NA")==-1) tempString=checkIP(tempString); return tempString;}QString macdhcp::getIfName(int ifnumber){ QString tempString; tempString.sprintf("%s\n", buf[ifnumber].ifr_name); return tempString;}QString macdhcp::setMacAddress(int ifnumber, QString macaddress){ QString tempString; macaddress.replace( QRegExp("-"), ":" ); tempString.sprintf( "ifconfig eth0 down \n ifconfig eth0 hw ether "+ macaddress + "\n ifconfig eth0 up\n" ); system( tempString ); tempString = getMacAddress( ifnumber ); tempString.replace( QRegExp(":"), "-" ); return tempString;}QString macdhcp::setIPAddress(int ifnumber, QString ipaddress){ QString tempString; int tempPosition; tempString.sprintf( "ifconfig " + getIfName(ifnumber) + " " + ipaddress ); tempPosition = tempString.find( '\n', 0, TRUE ); if( tempPosition > 0 ){ tempString.remove( tempPosition, 1 ); } system( tempString ); tempString = getIPAddress( ifnumber ); return tempString;}QString macdhcp::checkIP(QString IP){ int i,prePos=0,curPos; int IPVal; bool valideIP=TRUE,OK; QString oIP; for(i=0;i<3;i++) { curPos=IP.find(".",prePos); if(curPos!=-1) { oIP=IP.mid(prePos,curPos-prePos); IPVal=oIP.toInt(&OK); if(IPVal<0||IPVal>255||!OK) { valideIP=FALSE; break; } else prePos=curPos+1; } else { valideIP=FALSE; break; } } if(valideIP) { curPos=IP.length(); if(curPos>prePos) { oIP=IP.mid(prePos,curPos-prePos); IPVal=oIP.toInt(&OK); if(IPVal<0||IPVal>255||!OK) valideIP=FALSE; } else valideIP=FALSE; } if(valideIP) return IP; else return QString("192.168.0.120");}QString macdhcp::setDNS(QString dns){ QString tempString; char temp[100], temp1[20],temp2[20]; FILE *fp; if(dns.length()==0) dns="NA"; if(dns.find("NA")==-1&&dns.length()!=0) dns=checkIP(dns); qWarning(dns); if( (fp = fopen( "/etc/resolv.conf", "w" ) ) >= 0 ) { if(dns.find("NA")==-1) { dns = "nameserver "+dns; fputs( dns.data(), fp ); } fclose(fp); tempString.sprintf( "/etc/rc.d/init.d/named restart\n" ); system( tempString ); } tempString = getDNS(); if(tempString.find("NA")==-1&&tempString.length()!=0) tempString=checkIP(tempString); return tempString;}QString macdhcp::setGateway(QString gateway){ QString tempString; tempString.sprintf( "route del default\n" ); system( tempString ); if(gateway.find("NA")==-1&&gateway.length()!=0) { checkIP(gateway); tempString.sprintf( "route add default gw " + gateway + "\n" ); system( tempString ); tempString = getGateway(); tempString=checkIP(tempString); } else tempString="NA"; return tempString;}?? 快捷鍵說明
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