forked from vanhauser-thc/thc-hydra
/
hydra-cisco-enable.c
211 lines (191 loc) · 6.7 KB
/
hydra-cisco-enable.c
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#include "hydra-mod.h"
extern char *HYDRA_EXIT;
char *buf;
int start_cisco_enable(int s, char *ip, int port, unsigned char options, char *miscptr, FILE * fp) {
char *empty = "";
char *pass, buffer[300];
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
sprintf(buffer, "%.250s\r\n", pass);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
buf = hydra_receive_line(s);
if (buf != NULL && strstr(buf, "assw") != NULL) {
hydra_completed_pair();
free(buf);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
sprintf(buffer, "%.250s\r\n", pass);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
buf = hydra_receive_line(s);
if (strstr(buf, "assw") != NULL) {
hydra_completed_pair();
free(buf);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
sprintf(buffer, "%.250s\r\n", pass);
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
buf = hydra_receive_line(s);
}
}
if (buf != NULL
&& (strstr(buf, "assw") != NULL || strstr(buf, "ad ") != NULL || strstr(buf, "attempt") != NULL || strstr(buf, "fail") != NULL || strstr(buf, "denied") != NULL)) {
free(buf);
hydra_completed_pair();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 2;
}
if (buf != NULL)
free(buf);
hydra_report_found_host(port, ip, "cisco-enable", fp);
hydra_completed_pair_found();
return 3;
}
void service_cisco_enable(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port) {
int run = 1, failc = 0, retry = 1, next_run = 1, sock = -1;
int myport = PORT_TELNET, mysslport = PORT_TELNET_SSL;
char buffer[300];
char *login;
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);
}
/* Cisco AAA Support */
if (strlen(login = hydra_get_next_login()) != 0) {
while ((buf = hydra_receive_line(sock)) != NULL && strstr(buf, "name:") == NULL && strstr(buf, "ogin:") == NULL) {
if (hydra_strcasestr(buf, "ress ENTER") != NULL)
hydra_send(sock, "\r\n", 2, 0);
free(buf);
}
sprintf(buffer, "%.250s\r\n", login);
if (hydra_send(sock, buffer, strlen(buffer), 0) < 0) {
fprintf(stderr, "[ERROR] Child with pid %d terminating, can not send login\n", (int) getpid());
hydra_child_exit(2);
}
}
if (miscptr != NULL) {
if (buf != NULL)
free(buf);
while ((buf = hydra_receive_line(sock)) != NULL && strstr(buf, "assw") == NULL) {
if (hydra_strcasestr(buf, "ress ENTER") != NULL)
hydra_send(sock, "\r\n", 2, 0);
free(buf);
}
sprintf(buffer, "%.250s\r\n", miscptr);
if (hydra_send(sock, buffer, strlen(buffer), 0) < 0) {
fprintf(stderr, "[ERROR] Child with pid %d terminating, can not send login\n", (int) getpid());
hydra_child_exit(2);
}
}
if (buf != NULL)
free(buf);
buf = hydra_receive_line(sock);
if (hydra_strcasestr(buf, "ress ENTER") != NULL) {
hydra_send(sock, "\r\n", 2, 0);
free(buf);
buf = hydra_receive_line(sock);
}
if (strstr(buf, "assw") != NULL) {
fprintf(stderr, "[ERROR] Child with pid %d terminating - can not login, can not login\n", (int) getpid());
hydra_child_exit(2);
}
free(buf);
next_run = 2;
break;
}
case 2: /* run the cracking function */
{
unsigned char *buf2;
int f = 0;
sprintf(buffer, "%.250s\r\n", "ena");
if (hydra_send(sock, buffer, strlen(buffer), 0) < 0) {
fprintf(stderr, "[ERROR] Child with pid %d terminating, can not send 'ena'\n", (int) getpid());
hydra_child_exit(2);
}
do {
if (f != 0)
free(buf2);
else
f = 1;
if ((buf2 = (unsigned char *) hydra_receive_line(sock)) == NULL) {
if (failc < retry) {
next_run = 1;
failc++;
fprintf(stderr, "[ERROR] Child with pid %d was disconnected - retrying (%d of %d retries)\n", (int) getpid(), failc, retry);
sleep(3);
break;
} else {
fprintf(stderr, "[ERROR] Child with pid %d was disconnected - exiting\n", (int) getpid());
hydra_child_exit(0);
}
}
} while (strstr((char *) buf2, "assw") == NULL);
free(buf2);
if (next_run != 0)
break;
failc = 0;
next_run = start_cisco_enable(sock, ip, port, options, miscptr, fp);
break;
}
case 3: /* clean exit */
sprintf(buffer, "%.250s\r\n", "exit");
if (hydra_send(sock, buffer, strlen(buffer), 0) < 0) {
fprintf(stderr, "[ERROR] Child with pid %d terminating, can not send 'exit'\n", (int) getpid());
hydra_child_exit(0);
}
if (sock >= 0)
sock = hydra_disconnect(sock);
hydra_child_exit(0);
return;
default:
fprintf(stderr, "[ERROR] Caught unknown return code, exiting!\n");
hydra_child_exit(0);
hydra_child_exit(2);
}
run = next_run;
}
}
int service_cisco_enable_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;
}