Уважаемые господа просьба дать Вашу оченку нижеприведённому сканеру, любая критика будет расмотрена, мне крайне вожно ваше мнение
/*
===================PortScanner V0.2
==================
=================By Avgur, 2003.
*/
#include <afxext.h>
#include <winsock.h>
#pragma comment(lib,"wsock32.lib")
#define ZERO (fd_set *)0
int maxth, scanok, scannum;
int portip, hoststart, hoststop, startport, endport;
long searchnum, searched;
void usage(char *);
void playx(int);
void setip2(char *);
void customport(char *, char *, char *);
void portscannow(int);
int main(int argc, char *argv[])
{
WSADATA wsadata;
system("cls.exe");
printf("\r\n====================PortScanner V0.2====================");
if ((argc < 3) || (argc > 4))
{
usage(argv[0]);
return -1;
}
if(!(stricmp(strlwr(argv[1]), "-p") == 0))
{
usage(argv[0]);
return -1;
}
if (WSAStartup(MAKEWORD(1,1), &wsadata) != 0)
{
printf("\r\nWsatartup error");
return -1;
}
if (argc == 3)
{
setip2(argv[2]);
}
else
if (argc == 4)
{
customport(argv[0], argv[2], argv[3]);
}
else
{
usage(argv[0]);
return -1;
}
portscannow(argc);
WSACleanup();
return 0;
}
void usage(char * prog)
{
printf("Usage: %s <Option>", prog);
printf("\r\n\n <Option>:");
printf("\r\n -p [ Port|StartPort-EndPort ]<HostName|IP|StartIP-EndIP >");
printf("\r\n\n Example: ");
printf("\r\n %s -p 192.168.0.1", prog);
printf("\r\n %s -p 192.168.0.1-192.168.0.254", prog);
printf("\r\n %s -p 21-80 192.168.0.1", prog);
printf("\r\n %s -p 21-80 192.168.0.1-192.168.0.254\r\n", prog);
return;
}
void playx(int play = 0)
{
char *plays[12]=
{
" | ",
" / ",
" - ",
" \\ ",
" | ",
" / ",
" - ",
" \\ ",
" | ",
" / ",
" - ",
" \\ ",
};
if (searchnum != 0)
{
for (int i = 0 ; i <= 3; i ++)
{
printf(" =%s= %d%s Completed. \r", plays<i> , searched * 100 /
(searchnum + 1), "%");
Sleep(5);
}
}
else
{
printf(" =%s=\r", plays[play]);
Sleep(10);
}
}
void setip2(char *cp)
{
int host;
struct hostent *testhost;
char *startip = "", *endip = "";
if (strstr(cp, "-") && strlen(cp) > 15 && strlen(cp) < 32)
{
endip = strchr(cp, '-') + 1;
strncpy(startip, cp, strlen(cp) - strlen(strchr(cp, '-')));
hoststart = ntohl(inet_addr(startip));
hoststop = ntohl(inet_addr(endip));
}
else
{
testhost = gethostbyname(startip);
if(!testhost)
{
WSACleanup( );
printf("\r\nCan't get ip of: %s", cp);
exit(-1);
}
memcpy(&host, testhost->h_addr, 4);
hoststop = hoststart = ntohl(host);
}
}
void TestThread(int thread = 200)
{
for (;
{
playx();
// ІвКФПЯіМКЗ·сТСВъ
if (maxth > thread)
Sleep(100);
else break;
}
return;
}
void WaitThreadEnd()
{
Sleep(6000);
printf("\r \r\n");
printf(" Wait ( %d )Thread end...\r\n", maxth);
for(;
{
if (maxth > 0)
{
Sleep(100);
playx();
continue;
}
else break;
}
printf("\r\n");
return;
}
void customport(char *cp, char *cp2, char *cp3)
{
int intport;
char *checker;
startport = atoi(cp2);
endport = atoi(cp2);
if (strstr(cp2,"-"))
{
intport = atoi(checker = strchr(cp2, '-') + 1);
if (intport > 0 && intport < 65536)
endport = intport;
}
if (startport < 0 || startport > 65536 || endport < 0 || endport >
65535)
{
usage(cp);
exit(-1);
}
setip2(cp3);
}
UINT portscan(LPVOID port)
{
int addr = portip;
int sock;
struct fd_set mask;
struct timeval timeout;
struct sockaddr_in server;
unsigned long flag = 1;
sock = socket(AF_INET, SOCK_STREAM, 0);
if (sock == INVALID_SOCKET)
{
printf("\r\nSock Error:%s", WSAGetLastError());
maxth --;
return -1;
}
server.sin_family=AF_INET;
server.sin_addr.s_addr = htonl(addr); // ТЄЙЁГиµДµШЦ·
server.sin_port = htons(short(port)); // ТЄЙЁГиµД¶ЛїЪ
playx();
if (ioctlsocket(sock, FIONBIO, &flag) != 0)
{
printf("\r\nSock Error:%s", WSAGetLastError());
closesocket(sock);
maxth --;
return -1;
}
connect(sock, (struct sockaddr*)&server, sizeof(server));
timeout.tv_sec = 18;
timeout.tv_usec = 0;
FD_ZERO(&mask);
FD_SET(sock, &mask);
switch(select(sock + 1, ZERO, &mask, ZERO, &timeout))
{
case -1:
{
printf("\r\nSelect() error");
maxth --;
return -1;
}
case 0:
{
maxth --;
closesocket(sock);
return -1;
}
default:
if(FD_ISSET(sock, &mask))
{
shutdown(sock, 0);
printf(" [Found:] %s Port: %d open.\r\n",
inet_ntoa(server.sin_addr), ntohs(server.sin_port));
closesocket(sock);
scanok ++;
maxth --;
return 1;
}
}
return 0;
}
void portscannow(int xp)
{
int sport;
char *timenow, timebuf[32];
char *ports[32]={
"21",
"22",
"23",
"25",
"53",
"79",
"80",
"110",
"111",
"113",
"123",
"135",
"139",
"143",
"443",
"512",
"513",
"514",
"515",
"540",
"1080",
"1433",
"1521",
"1524",
"3306",
"3389",
"5631",
"6000",
"6112",
"8000",
"8080",
"12345"
};
timenow = _strtime(timebuf);
printf("\r\nPortScan Start Time: %s\r\n\n",timenow);
maxth = 0;
scanok = 0;
scannum = 0;
searched = 0;
searchnum = hoststop - hoststart +1;
if(xp == 3)
searchnum = searchnum * 32;
if(xp == 4)
searchnum = searchnum * (endport - startport +1);
for (portip = hoststart; portip <= hoststop; portip ++, scannum ++)
{
if ((portip % 256) == 0 || (portip % 256) == 255)
{
if(xp == 3)
searchnum = searchnum - 32;
if(xp == 4)
searchnum = searchnum - (endport - startport +1);
scannum --;
playx();
continue;
}
if(i > 11) i = 0;
// scan 192.168.0.1
// scan 192.168.0.1-192.168.0.254
if (xp == 3)
{
for (sport = 0; sport < 32; sport ++, maxth ++, searched ++)
{
TestThread(180);
CWinThread * pthread =
AfxBeginThread(portscan,LPVOID(atoi((char*)ports[sport])));
Sleep(120);
}
}
//
// scan -p 21 192.168.0.1
// scan -p 21-80 192.168.0.1-192.168.0.254
if (xp == 4)
{
sport = endport - startport;
if(sport > 500 )
{
for(sport = startport; sport <= endport; sport ++, maxth ++,
searched ++)
{
TestThread(2000);
CWinThread * pthread = AfxBeginThread(portscan, LPVOID(sport));
Sleep(10);
}
}
else
{
for(sport = startport; sport <= endport; sport ++, maxth ++,
searched ++)
{
TestThread(250);
CWinThread * pthread = AfxBeginThread(portscan, LPVOID(sport));
Sleep(100);
playx();
}
}
}
}
WaitThreadEnd();
timenow = _strtime(timebuf);
printf("\r\nPortScan End Time: %s", timenow);
printf("\r\nScan %d Hosts completed. Open %d Ports!\r\n", scannum,
scanok);
}
