#include "hydra-mod.h"
#include "sasl.h"
extern char *HYDRA_EXIT;
char *buf;
int
start_http_proxy(int s, char *ip, int port, unsigned char options, char *miscptr, FILE * fp) {
char *empty = "";
char *login, *pass, buffer[500], buffer2[500];
char url[210], host[30];
char *header = ""; /* XXX TODO */
char *ptr;
if (strlen(login = hydra_get_next_login()) == 0)
login = empty;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
if (miscptr == NULL) {
strcpy(url, "http://www.microsoft.com/");
strcpy(host, "Host: www.microsoft.com\r\n");
} else {
sprintf(url, "%.200s", miscptr);
strcpy(host, ""); /* too lazy to parse the URL, me too */
}
//send dummy request
sprintf(buffer, "HEAD %s HTTP/1.0\r\n%sUser-Agent: Mozilla/4.0 (Hydra)\r\n%s\r\n", url, host, header);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
//receive first 40x
buf = hydra_receive_line(s);
while (buf != NULL && strstr(buf, "HTTP/") == NULL) {
free(buf);
buf = hydra_receive_line(s);
}
if (verbose)
hydra_report(stderr, "S:%s\n", buf);
//after the first query we should have been disconnected from web server
s = hydra_disconnect(s);
if ((options & OPTION_SSL) == 0) {
s = hydra_connect_tcp(ip, port);
} else {
s = hydra_connect_ssl(ip, port);
}
if (strstr(buf, "Proxy-Authenticate: Basic") != NULL) {
sprintf(buffer2, "%.50s:%.50s", login, pass);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
sprintf(buffer, "HEAD %s HTTP/1.0\r\n%sProxy-Authorization: Basic %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\n%s\r\n", url, host, buffer2, header);
if (verbose)
hydra_report(stderr, "C:%s\n", buffer);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
buf = hydra_receive_line(s);
while (buf != NULL && strstr(buf, "HTTP/1.") == NULL) {
free(buf);
buf = hydra_receive_line(s);
}
if (buf == NULL)
return 1;
else if (verbose)
hydra_report(stderr, "S:%s\n", buf);
} else {
if (strstr(buf, "Proxy-Authenticate: NTLM") != NULL) {
unsigned char buf1[4096];
unsigned char buf2[4096];
//send auth and receive challenge
//send auth request: let the server send it's own hostname and domainname
buildAuthRequest((tSmbNtlmAuthRequest *) buf2, 0, NULL, NULL);
to64frombits(buf1, buf2, SmbLength((tSmbNtlmAuthRequest *) buf2));
/* to be portable, no snprintf, buffer is big enough so it cant overflow */
//send the first..
sprintf(buffer, "HEAD %s HTTP/1.0\r\n%sProxy-Authorization: NTLM %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\n%s\r\n", url, host, buf1, header);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
//receive challenge
buf = hydra_receive_line(s);
while (buf != NULL && strstr(buf, "Proxy-Authenticate: NTLM ") == NULL) {
free(buf);
buf = hydra_receive_line(s);
}
//recover challenge
if (buf != NULL) {
from64tobits((char *) buf1, buf + 25);
free(buf);
}
//Send response
buildAuthResponse((tSmbNtlmAuthChallenge *) buf1, (tSmbNtlmAuthResponse *) buf2, 0, login, pass, NULL, NULL);
to64frombits(buf1, buf2, SmbLength((tSmbNtlmAuthResponse *) buf2));
sprintf(buffer, "HEAD %s HTTP/1.0\r\n%sProxy-Authorization: NTLM %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\n%s\r\n", url, host, buf1, header);
if (verbose)
hydra_report(stderr, "C:%s\n", buffer);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
buf = hydra_receive_line(s);
while (buf != NULL && strstr(buf, "HTTP/1.") == NULL) {
free(buf);
buf = hydra_receive_line(s);
}
if (buf == NULL)
return 1;
} else {
#ifdef LIBOPENSSLNEW
if (strstr(buf, "Proxy-Authenticate: Digest") != NULL) {
char *pbuffer;
pbuffer = strstr(buf, "Proxy-Authenticate: Digest ");
strncpy(buffer, pbuffer + strlen("Proxy-Authenticate: Digest "), sizeof(buffer));
buffer[sizeof(buffer) - 1] = '\0';
sasl_digest_md5(buffer2, login, pass, buffer, miscptr, "proxy", host, 0, header);
if (buffer2 == NULL)
return 3;
if (verbose)
hydra_report(stderr, "C:%s\n", buffer2);
if (hydra_send(s, buffer2, strlen(buffer2), 0) < 0)
return 1;
buf = hydra_receive_line(s);
while (buf != NULL && strstr(buf, "HTTP/1.") == NULL) {
free(buf);
buf = hydra_receive_line(s);
}
if (verbose && buf != NULL)
hydra_report(stderr, "S:%s\n", buf);
if (buf == NULL)
return 1;
} else
#endif
{
if (buf != NULL) {
buf[strlen(buf) - 1] = '\0';
hydra_report(stderr, "Unsupported Auth type:\n%s\n", buf);
} else {
hydra_report(stderr, "Unsupported Auth type\n");
}
return 3;
}
}
}
ptr = ((char *) index(buf, ' ')) + 1;
if (*ptr == '2' || (*ptr == '3' && *(ptr + 2) == '1')) {
hydra_report_found_host(port, ip, "http-proxy", fp);
hydra_completed_pair_found();
} else {
if (*ptr != '4')
hydra_report(stderr, "Unusual return code: %c for %s:%s\n", (char) *(index(buf, ' ') + 1), login, pass);
hydra_completed_pair();
}
free(buf);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 1;
}
void
service_http_proxy(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port) {
int run = 1, next_run = 1, sock = -1;
int myport = PORT_HTTP_PROXY, mysslport = PORT_HTTP_PROXY_SSL;
hydra_register_socket(sp);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return;
while (1) {
next_run = 0;
switch (run) {
case 1: /* connect and service init function */
{
if (sock >= 0)
sock = hydra_disconnect(sock);
// usleep(275000);
if ((options & OPTION_SSL) == 0) {
if (port != 0)
myport = port;
sock = hydra_connect_tcp(ip, myport);
port = myport;
} else {
if (port != 0)
mysslport = port;
sock = hydra_connect_ssl(ip, mysslport);
port = mysslport;
}
if (sock < 0) {
fprintf(stderr, "Error: Child with pid %d terminating, can not connect\n", (int) getpid());
hydra_child_exit(1);
}
next_run = 2;
break;
}
case 2: /* run the cracking function */
next_run = start_http_proxy(sock, ip, port, options, miscptr, fp);
break;
case 3: /* clean exit */
if (sock >= 0)
sock = hydra_disconnect(sock);
hydra_child_exit(0);
return;
default:
fprintf(stderr, "Caught unknown return code, exiting!\n");
hydra_child_exit(0);
}
run = next_run;
}
}
