forked from vanhauser-thc/thc-hydra
/
hydra-cisco.c
224 lines (206 loc) · 6.25 KB
/
hydra-cisco.c
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#ifdef PALM
#include "palm/hydra-mod.h"
#else
#include "hydra-mod.h"
#endif
extern char *HYDRA_EXIT;
static char *buf = NULL;
int32_t start_cisco(int32_t s, char *ip, int32_t port, unsigned char options, char *miscptr, FILE *fp) {
char *empty = "";
char *pass, buffer[300];
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
#ifdef PALM
sprintf(buffer, "%s\r\n", pass);
#else
sprintf(buffer, "%.250s\r\n", pass);
#endif
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
sleep(1);
buf = NULL;
do {
if (buf != NULL)
free(buf);
if ((buf = hydra_receive_line(s)) == NULL)
return 3;
if (buf[strlen(buf) - 1] == '\n')
buf[strlen(buf) - 1] = 0;
if (buf[strlen(buf) - 1] == '\r')
buf[strlen(buf) - 1] = 0;
} while (strlen(buf) <= 1);
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;
#ifdef PALM
sprintf(buffer, "%s\r\n", pass);
#else
sprintf(buffer, "%.250s\r\n", pass);
#endif
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
buf = NULL;
do {
if (buf != NULL)
free(buf);
if ((buf = hydra_receive_line(s)) == NULL)
return 3;
if (buf[strlen(buf) - 1] == '\n')
buf[strlen(buf) - 1] = 0;
if (buf[strlen(buf) - 1] == '\r')
buf[strlen(buf) - 1] = 0;
} while (strlen(buf) <= 1);
if (buf != NULL && strstr(buf, "assw") != NULL) {
hydra_completed_pair();
free(buf);
buf = NULL;
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
#ifdef PALM
sprintf(buffer, "%s\r\n", pass);
#else
sprintf(buffer, "%.250s\r\n", pass);
#endif
if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
return 1;
}
buf = NULL;
do {
if (buf != NULL)
free(buf);
buf = hydra_receive_line(s);
if (buf != NULL) {
if (buf[strlen(buf) - 1] == '\n')
buf[strlen(buf) - 1] = 0;
if (buf[strlen(buf) - 1] == '\r')
buf[strlen(buf) - 1] = 0;
}
} while (buf != NULL && strlen(buf) <= 1);
}
}
if (buf != NULL && (strstr(buf, "assw") != NULL || strstr(buf, "ad ") != NULL || strstr(buf, "attempt") != NULL || strstr(buf, "ailur") != NULL)) {
free(buf);
hydra_completed_pair();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 1;
}
hydra_report_found_host(port, ip, "cisco", fp);
hydra_completed_pair_found();
if (buf != NULL)
free(buf);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 1;
}
void service_cisco(char *ip, int32_t sp, unsigned char options, char *miscptr, FILE *fp, int32_t port, char *hostname) {
int32_t run = 1, failc = 0, retry = 1, next_run = 1, sock = -1;
int32_t myport = PORT_TELNET, mysslport = PORT_TELNET_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 */
{
unsigned char *buf2 = NULL;
int32_t f = 0;
if (sock >= 0)
sock = hydra_disconnect(sock);
// usleepn(275);
if ((options & OPTION_SSL) == 0) {
if (port != 0)
myport = port;
sock = hydra_connect_tcp(ip, myport);
port = myport;
if (miscptr != NULL && hydra_strcasestr(miscptr, "enter") != NULL)
hydra_send(sock, "\r\n", 2, 0);
} else {
if (port != 0)
mysslport = port;
sock = hydra_connect_ssl(ip, mysslport, hostname);
port = mysslport;
}
if (sock < 0) {
hydra_report(stderr, "[ERROR] Child with pid %d terminating, can not connect\n", (int32_t)getpid());
hydra_child_exit(1);
}
do {
if (f != 0) {
free(buf2);
buf2 = NULL;
} else
f = 1;
if ((buf2 = (unsigned char *)hydra_receive_line(sock)) == NULL) {
if (failc < retry) {
next_run = 1;
failc++;
if (quiet != 1)
hydra_report(stderr,
"[ERROR] Child with pid %d was disconnected - "
"retrying (%d of %d retries)\n",
(int32_t)getpid(), failc, retry);
sleep(3);
break;
} else {
if (quiet != 1)
hydra_report(stderr, "[ERROR] Child with pid %d was disconnected - exiting\n", (int32_t)getpid());
hydra_child_exit(0);
}
}
if (buf2 != NULL && hydra_strcasestr((char *)buf2, "ress ENTER") != NULL)
hydra_send(sock, "\r\n", 2, 0);
} while (buf2 != NULL && strstr((char *)buf2, "assw") == NULL);
free(buf2);
if (next_run != 0)
break;
failc = 0;
next_run = 2;
break;
}
case 2: /* run the cracking function */
next_run = start_cisco(sock, ip, port, options, miscptr, fp);
break;
case 3: /* clean exit */
if (sock >= 0)
sock = hydra_disconnect(sock);
hydra_child_exit(0);
return;
default:
hydra_report(stderr, "[ERROR] Caught unknown return code, exiting!\n");
hydra_child_exit(0);
#ifdef PALM
return;
#else
hydra_child_exit(2);
#endif
}
run = next_run;
}
}
int32_t service_cisco_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;
}
void usage_cisco(const char *service) {
printf("Module cisco is optionally taking the keyword ENTER, it then sends "
"an initial\n"
"ENTER when connecting to the service.\n");
}