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//
// hydra-rtsp.c
// hydra-rtsp
//
// Created by Javier Sánchez on 18/04/15.
//
//
#include <stdio.h>
#include "hydra-mod.h"
#include <string.h>
#include "sasl.h"
extern char *HYDRA_EXIT;
char *buf;
char packet[500];
char packet2[500];
int32_t is_Unauthorized(char *s) {
if (strstr(s, "401 Unauthorized") != NULL) {
return 1;
} else {
return 0;
}
}
int32_t is_NotFound(char *s) {
if (strstr(s, "404 Stream Not Found") != NULL) {
return 1;
} else {
return 0;
}
}
int32_t is_Authorized(char *s) {
if (strstr(s, "200 OK") != NULL) {
return 1;
} else {
return 0;
}
}
int32_t use_Basic_Auth(char *s) {
if (strstr(s, "WWW-Authenticate: Basic") != NULL) {
return 1;
} else {
return 0;
}
}
int32_t use_Digest_Auth(char *s) {
if (strstr(s, "WWW-Authenticate: Digest") != NULL) {
return 1;
} else {
return 0;
}
}
void create_core_packet(int32_t control, char *ip, int32_t port) {
char *target = hydra_address2string(ip);
if (control == 0) {
if (strlen(packet) <= 0) {
sprintf(packet, "DESCRIBE rtsp://%.260s:%i RTSP/1.0\r\nCSeq: 2\r\n\r\n", target, port);
}
} else {
if (strlen(packet2) <= 0) {
sprintf(packet2, "DESCRIBE rtsp://%.260s:%i RTSP/1.0\r\nCSeq: 3\r\n", target, port);
}
}
}
int32_t start_rtsp(int32_t s, char *ip, int32_t port, unsigned char options, char *miscptr, FILE * fp) {
char *empty = "";
char *login, *pass, buffer[500], buffer2[500];
char *lresp;
if (strlen(login = hydra_get_next_login()) == 0)
login = empty;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
create_core_packet(0, ip, port);
if (hydra_send(s, packet, strlen(packet), 0) < 0) {
return 1;
}
lresp = hydra_receive_line(s);
if (lresp == NULL) {
fprintf(stderr, "[ERROR] no server reply");
return 1;
}
if (is_NotFound(lresp)) {
printf("[INFO] Server does not need credentials\n");
hydra_completed_pair_found();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0) {
return 3;
}
return 1;
} else {
create_core_packet(1, ip, port);
if (use_Basic_Auth(lresp) == 1) {
sprintf(buffer2, "%.260s:%.260s", login, pass);
hydra_tobase64((unsigned char *) buffer2, strlen(buffer2), sizeof(buffer2));
sprintf(buffer, "%sAuthorization: : Basic %s\r\n\r\n", packet2, buffer2);
if (debug) {
hydra_report(stderr, "C:%s\n", buffer);
}
}
if (use_Digest_Auth(lresp) == 1) {
char *dbuf = NULL;
char aux[500] = "";
char *pbuffer = hydra_strcasestr(lresp, "WWW-Authenticate: Digest ");
strncpy(aux, pbuffer + strlen("WWW-Authenticate: Digest "), sizeof(buffer));
aux[sizeof(aux) - 1] = '\0';
#ifdef LIBOPENSSL
sasl_digest_md5(dbuf, login, pass, aux, miscptr, "rtsp", hydra_address2string(ip), port, "");
#else
printf("[ERROR] Digest auth required but compiled without OpenSSL/MD5 support\n");
return 3;
#endif
if (dbuf == NULL) {
fprintf(stderr, "[ERROR] digest generation failed\n");
return 3;
}
sprintf(buffer, "%sAuthorization: Digest %s\r\n\r\n", packet2, dbuf);
if (debug) {
hydra_report(stderr, "C:%s\n", buffer);
}
}
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
lresp = NULL;
lresp = hydra_receive_line(s);
if ((is_NotFound(lresp))) {
hydra_completed_pair_found();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0) {
return 3;
}
return 1;
}
hydra_completed_pair();
}
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
//not rechead
return 2;
}
void service_rtsp(char *ip, int32_t sp, unsigned char options, char *miscptr, FILE * fp, int32_t port, char *hostname) {
int32_t run = 1, next_run = 1, sock = -1;
int32_t myport = PORT_RTSP/*, mysslport = PORT_RTSP_SSL*/;
hydra_register_socket(sp);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return;
while (1) {
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;
}
if (sock < 0) {
if (verbose || debug)
hydra_report(stderr, "[ERROR] Child with pid %d terminating, can not connect\n", (int32_t) getpid());
hydra_child_exit(1);
}
next_run = 2;
break;
case 2: /* run the cracking function */
next_run = start_rtsp(sock, ip, port, options, miscptr, fp);
break;
case 3: /* clean exit */
if (sock >= 0) {
sock = hydra_disconnect(sock);
}
hydra_child_exit(0);
break;
default:
hydra_report(stderr, "[ERROR] Caught unknown return code, exiting!\n");
hydra_child_exit(0);
}
run = next_run;
}
}
int32_t service_rtsp_init(char *ip, int32_t sp, unsigned char options, char *miscptr, FILE * fp, int32_t port, char *hostname) {
// 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;
}
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