#include "hydra-mod.h"
#include "sasl.h"
extern char *HYDRA_EXIT;
char *buf;
char *webtarget = NULL;
char *slash = "/";
int webport, freemischttp = 0;
int http_auth_mechanism = AUTH_BASIC;
int start_http(int s, char *ip, int port, unsigned char options, char *miscptr, FILE * fp, char *type) {
char *empty = "";
char *login, *pass, buffer[500], buffer2[500];
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;
switch (http_auth_mechanism) {
case AUTH_BASIC:
sprintf(buffer2, "%.50s:%.50s", login, pass);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
/* again: no snprintf to be portable. dont worry, buffer cant overflow */
if (use_proxy == 1 && proxy_authentication != NULL)
sprintf(buffer, "%s http://%s:%d%.250s HTTP/1.0\r\nHost: %s\r\nAuthorization: Basic %s\r\nProxy-Authorization: Basic %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\n%s\r\n",
type, webtarget, webport, miscptr, webtarget, buffer2, proxy_authentication, header);
else {
if (use_proxy == 1)
sprintf(buffer, "%s http://%s:%d%.250s HTTP/1.0\r\nHost: %s\r\nAuthorization: Basic %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\n%s\r\n",
type, webtarget, webport, miscptr, webtarget, buffer2, header);
else
sprintf(buffer, "%s %.250s HTTP/1.0\r\nHost: %s\r\nAuthorization: Basic %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\n%s\r\n", type, miscptr, webtarget, buffer2, header);
}
if (debug)
hydra_report(stderr, "C:%s\n", buffer);
break;
#ifdef LIBOPENSSLNEW
case AUTH_DIGESTMD5:{
char *pbuffer;
pbuffer = hydra_strcasestr(buf, "WWW-Authenticate: Digest ");
strncpy(buffer, pbuffer + strlen("WWW-Authenticate: Digest "), sizeof(buffer));
buffer[sizeof(buffer) - 1] = '\0';
sasl_digest_md5(buffer2, login, pass, buffer, miscptr, type, webtarget, webport, header);
if (buffer2 == NULL) {
return 4;
}
if (debug)
hydra_report(stderr, "C:%s\n", buffer2);
strcpy(buffer, buffer2);
}
break;
#endif
case AUTH_NTLM:{
unsigned char buf1[4096];
unsigned char buf2[4096];
char *pos = NULL;
//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..
if (use_proxy == 1 && proxy_authentication != NULL)
sprintf(buffer, "%s http://%s:%d%s HTTP/1.0\r\nHost: %s\r\nAuthorization: NTLM %s\r\nProxy-Authorization: Basic %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\nConnection: keep-alive\r\n%s\r\n",
type, webtarget, webport, miscptr, webtarget, buf1, proxy_authentication, header);
else {
if (use_proxy == 1)
sprintf(buffer, "%s http://%s:%d%s HTTP/1.0\r\nHost: %s\r\nAuthorization: NTLM %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\nConnection: keep-alive\r\n%s\r\n",
type, webtarget, webport, miscptr, webtarget, buf1, header);
else
sprintf(buffer, "%s %s HTTP/1.0\r\nHost: %s\r\nAuthorization: NTLM %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\nConnection: keep-alive\r\n%s\r\n", type, miscptr, webtarget, buf1, header);
}
if (hydra_send(s, buffer, strlen(buffer), 0) < 0)
return 1;
//receive challenge
buf = hydra_receive_line(s);
while (buf != NULL && (pos = hydra_strcasestr(buf, "WWW-Authenticate: NTLM ")) == NULL) {
free(buf);
buf = hydra_receive_line(s);
}
if (buf == NULL)
return 1;
if (pos != NULL) {
char *str;
pos+=23;
if ((str=strchr(pos, '\r')) != NULL) {
pos[str - pos] = 0;
}
if ((str=strchr(pos, '\n')) != NULL) {
pos[str - pos] = 0; }
}
//recover challenge
from64tobits((char *) buf1, pos);
free(buf);
//Send response
buildAuthResponse((tSmbNtlmAuthChallenge *) buf1, (tSmbNtlmAuthResponse *) buf2, 0, login, pass, NULL, NULL);
to64frombits(buf1, buf2, SmbLength((tSmbNtlmAuthResponse *) buf2));
//create the auth response
if (use_proxy == 1 && proxy_authentication != NULL)
sprintf(buffer, "%s http://%s:%d%s HTTP/1.0\r\nHost: %s\r\nAuthorization: NTLM %s\r\nProxy-Authorization: Basic %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\nConnection: keep-alive\r\n%s\r\n",
type, webtarget, webport, miscptr, webtarget, buf1, proxy_authentication, header);
else {
if (use_proxy == 1)
sprintf(buffer, "%s http://%s:%d%s HTTP/1.0\r\nHost: %s\r\nAuthorization: NTLM %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\nConnection: keep-alive\r\n%s\r\n",
type, webtarget, webport, miscptr, webtarget, buf1, header);
else
sprintf(buffer, "%s %s HTTP/1.0\r\nHost: %s\r\nAuthorization: NTLM %s\r\nUser-Agent: Mozilla/4.0 (Hydra)\r\nConnection: keep-alive\r\n%s\r\n", type, miscptr, webtarget, buf1, header);
}
if (debug)
hydra_report(stderr, "C:%s\n", buffer);
}
break;
}
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 server cut the connection, just exit cleanly or
//this will be an infinite loop
if (buf == NULL) {
if (verbose)
hydra_report(stderr, "[ERROR] Server did not answer\n");
return 3;
}
if (debug)
hydra_report(stderr, "S:%s\n", buf);
ptr = ((char *) index(buf, ' ')) + 1;
if (ptr != NULL && (*ptr == '2' || *ptr == '3' || strncmp(ptr, "403", 3) == 0 || strncmp(ptr, "404", 3) == 0)) {
hydra_report_found_host(port, ip, "www", fp);
hydra_completed_pair_found();
} else {
if (ptr != NULL && *ptr != '4')
fprintf(stderr, "[WARNING] Unusual return code: %c for %s:%s\n", (char) *(index(buf, ' ') + 1), login, pass);
//the first authentication type failed, check the type from server header
if ((hydra_strcasestr(buf, "WWW-Authenticate: Basic") == NULL) && (http_auth_mechanism == AUTH_BASIC)) {
//seems the auth supported is not Basic shceme so testing further
int find_auth = 0;
if (hydra_strcasestr(buf, "WWW-Authenticate: NTLM") != NULL) {
http_auth_mechanism = AUTH_NTLM;
find_auth = 1;
}
#ifdef LIBOPENSSLNEW
if (hydra_strcasestr(buf, "WWW-Authenticate: Digest") != NULL) {
http_auth_mechanism = AUTH_DIGESTMD5;
find_auth = 1;
}
#endif
if (find_auth) {
free(buf);
return 1;
}
}
hydra_completed_pair();
}
free(buf);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 1;
}
void service_http(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port, char *type) {
int run = 1, next_run = 1, sock = -1;
int myport = PORT_HTTP, mysslport = PORT_HTTP_SSL;
char *ptr, *ptr2;
hydra_register_socket(sp);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return;
if ((webtarget = strstr(miscptr, "://")) != NULL) {
webtarget += strlen("://");
if ((ptr2 = index(webtarget, ':')) != NULL) { /* step over port if present */
*ptr2 = 0;
ptr2++;
ptr = ptr2;
if (*ptr == '/' || (ptr = index(ptr2, '/')) != NULL)
miscptr = ptr;
else
miscptr = slash; /* to make things easier to user */
} else if ((ptr2 = index(webtarget, '/')) != NULL) {
miscptr = malloc(strlen(ptr2) + 1);
freemischttp = 1;
strcpy(miscptr, ptr2);
*ptr2 = 0;
} else
webtarget = NULL;
}
if (cmdlinetarget != NULL && webtarget == NULL)
webtarget = cmdlinetarget;
else if (webtarget == NULL && cmdlinetarget == NULL)
webtarget = hydra_address2string(ip);
if (port != 0)
webport = port;
else if ((options & OPTION_SSL) == 0)
webport = myport;
else
webport = mysslport;
while (1) {
next_run = 0;
switch (run) {
case 1: /* connect and service init function */
{
if (sock >= 0)
sock = hydra_disconnect(sock);
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) {
if (freemischttp)
free(miscptr);
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(sock, ip, port, options, miscptr, fp, type);
break;
case 3: /* clean exit */
if (sock >= 0)
sock = hydra_disconnect(sock);
if (freemischttp)
free(miscptr);
hydra_child_exit(0);
return;
default:
if (freemischttp)
free(miscptr);
fprintf(stderr, "[ERROR] Caught unknown return code, exiting!\n");
hydra_child_exit(0);
}
run = next_run;
}
}
void service_http_get(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port) {
service_http(ip, sp, options, miscptr, fp, port, "GET");
}
void service_http_head(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port) {
service_http(ip, sp, options, miscptr, fp, port, "HEAD");
}
int service_http_init(char *ip, int sp, unsigned char options, char *miscptr, FILE *fp, int port) {
// called before the childrens are forked off, so this is the function
// which should be filled if initial connections and service setup has to be
// performed once only.
//
// fill if needed.
//
// return codes:
// 0 all OK
// -1 error, hydra will exit, so print a good error message here
return 0;
}
