forked from vanhauser-thc/thc-hydra
/
hydra-cvs.c
151 lines (129 loc) · 4.62 KB
/
hydra-cvs.c
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#include "hydra-mod.h"
extern int hydra_data_ready_timed(int socket, long sec, long usec);
extern char *HYDRA_EXIT;
char *buf;
int start_cvs(int s, char *ip, int port, unsigned char options, char *miscptr, FILE * fp) {
char *empty = "";
char *login, *pass, buffer[1024], pass2[513];
int i;
char *directory = miscptr;
/* evil cvs encryption sheme...
0 111 P 125 p 58
! 120 1 52 A 57 Q 55 a 121 q 113
" 53 2 75 B 83 R 54 b 117 r 32
3 119 C 43 S 66 c 104 s 90
4 49 D 46 T 124 d 101 t 44
% 109 5 34 E 102 U 126 e 100 u 98
& 72 6 82 F 40 V 59 f 69 v 60
' 108 7 81 G 89 W 47 g 73 w 51
( 70 8 95 H 38 X 92 h 99 x 33
) 64 9 65 I 103 Y 71 i 63 y 97
* 76 : 112 J 45 Z 115 j 94 z 62
+ 67 ; 86 K 50 k 93
, 116 < 118 L 42 l 39
- 74 = 110 M 123 m 37
. 68 > 122 N 91 n 61
/ 87 ? 105 O 35 _ 56 o 48
*/
char key[] = { 0, 120, 53, 0, 0, 109, 72, 108, 70, 64, 76, 67, 116, 74, 68, 87,
111, 52, 75, 119, 49, 34, 82, 81, 95, 65, 112, 86, 118, 110, 122, 105,
0, 57, 83, 43, 46, 102, 40, 89, 38, 103, 45, 50, 42, 123, 91, 35,
125, 55, 54, 66, 124, 126, 59, 47, 92, 71, 115, 0, 0, 0, 0, 56,
0, 121, 117, 104, 101, 100, 69, 73, 99, 63, 94, 93, 39, 37, 61, 48,
58, 113, 32, 90, 44, 98, 60, 51, 33, 97, 62
};
if (strlen(login = hydra_get_next_login()) == 0)
login = empty;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
memset(pass2, 0, sizeof(pass2));
strncpy(pass2, pass, 512);
for (i = 0; i < strlen(pass); i++) {
pass2[i] = key[pass2[i] - 0x20];
}
snprintf(buffer, sizeof(buffer), "BEGIN VERIFICATION REQUEST\n%s\n%s\nA%s\nEND VERIFICATION REQUEST\n", directory, login, pass2);
i = 57 + strlen(directory) + strlen(login) + strlen(pass2);
if (hydra_send(s, buffer, i - 1, 0) < 0) {
return 1;
}
if (hydra_data_ready_timed(s, 5, 0) > 0) {
buf = hydra_receive_line(s);
if (strstr(buf, "I LOVE YOU\n")) {
hydra_report_found_host(port, ip, "cvs", fp);
hydra_completed_pair_found();
free(buf);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0) {
return 3;
}
} else if (strstr(buf, "no such user") || strstr(buf, "E PAM start error: Critical error - immediate abort\n")) {
if (verbose) {
hydra_report(stderr, "[INFO] User %s does not exist, skipping\n", login);
}
hydra_completed_pair_skip();
free(buf);
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0) {
return 3;
}
}
/* "I HATE YOU\n" case */
free(buf);
return 3;
}
return 3;
}
void service_cvs(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port, char *hostname) {
int run = 1, next_run = 1, sock = -1;
int myport = PORT_CVS, mysslport = PORT_CVS_SSL;
hydra_register_socket(sp);
if ((miscptr == NULL) || (strlen(miscptr) == 0)) {
miscptr = "/root";
}
while (1) {
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return;
switch (run) {
case 1: /* connect and service init function */
if (sock >= 0)
sock = hydra_disconnect(sock);
// usleepn(300);
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, hostname);
port = mysslport;
}
if (sock < 0) {
hydra_report(stderr, "[ERROR] Child with pid %d terminating, can not connect\n", (int) getpid());
hydra_child_exit(1);
}
next_run = start_cvs(sock, ip, port, options, miscptr, fp);
break;
case 3: /* clean exit */
if (sock >= 0)
sock = hydra_disconnect(sock);
hydra_child_exit(2);
return;
default:
hydra_report(stderr, "[ERROR] Caught unknown return code, exiting!\n");
hydra_child_exit(2);
}
run = next_run;
}
}
int service_cvs_init(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int 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;
}