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// This plugin was written by <david dot maciejak at gmail D O T com>
// Tested on memcached 1.5.6-0ubuntu1
#ifdef LIBMCACHED
#include <libmemcached/memcached.h>
#endif
#include "hydra-mod.h"
#ifndef LIBMCACHED
void dummy_mcached() { printf("\n"); }
#else
extern int32_t hydra_data_ready_timed(int32_t socket, long sec, long usec);
extern hydra_option hydra_options;
extern char *HYDRA_EXIT;
int mcached_send_com_quit(int32_t sock) {
char *com_quit = "quit\r\n";
if (hydra_send(sock, com_quit, strlen(com_quit), 0) < 0)
return 1;
return 0;
}
int mcached_send_com_version(int32_t sock) {
char *com_version = "version\r\n";
if (hydra_send(sock, com_version, strlen(com_version), 0) < 0)
return 1;
return 0;
}
int32_t start_mcached(int32_t s, char *ip, int32_t port, unsigned char options, char *miscptr, FILE *fp) {
char *empty = "";
char *login, *pass;
memcached_server_st *servers = NULL;
memcached_return_t rc;
memcached_st *cache;
if (strlen(login = hydra_get_next_login()) == 0)
login = empty;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
cache = memcached_create(NULL);
rc = memcached_set_sasl_auth_data(cache, login, pass);
if (rc != MEMCACHED_SUCCESS) {
if (verbose)
hydra_report(stderr, "[ERROR] Couldn't setup SASL auth: %s\n", memcached_strerror(cache, rc));
memcached_free(cache);
return 3;
}
rc = memcached_behavior_set(cache, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, 1);
if (rc != MEMCACHED_SUCCESS) {
if (verbose)
hydra_report(stderr, "[ERROR] Couldn't use the binary protocol: %s\n", memcached_strerror(cache, rc));
memcached_destroy_sasl_auth_data(cache);
memcached_free(cache);
return 3;
}
rc = memcached_behavior_set(cache, MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT, 10000);
if (rc != MEMCACHED_SUCCESS) {
if (verbose)
hydra_report(stderr, "[ERROR] Couldn't set the connect timeout: %s\n", memcached_strerror(cache, rc));
memcached_destroy_sasl_auth_data(cache);
memcached_free(cache);
return 3;
}
servers = memcached_server_list_append(servers, hydra_address2string(ip), port, &rc);
rc = memcached_server_push(cache, servers);
if (rc != MEMCACHED_SUCCESS) {
if (verbose)
hydra_report(stderr, "[ERROR] Couldn't add server: %s\n", memcached_strerror(cache, rc));
memcached_destroy_sasl_auth_data(cache);
memcached_free(cache);
return 3;
}
rc = memcached_stat_execute(cache, "", NULL, NULL);
if (rc != MEMCACHED_SUCCESS) {
if (verbose)
hydra_report(stderr, "[ERROR] Couldn't get server stats: %s\n", memcached_strerror(cache, rc));
memcached_destroy_sasl_auth_data(cache);
memcached_free(cache);
hydra_completed_pair_skip();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0) {
return 3;
}
return 2;
}
memcached_destroy_sasl_auth_data(cache);
memcached_free(cache);
hydra_report_found_host(port, ip, "memcached", fp);
hydra_completed_pair_found();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 3;
return 2;
}
void service_mcached(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;
hydra_register_socket(sp);
while (1) {
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return;
switch (run) {
case 1:
next_run = start_mcached(sock, ip, port, options, miscptr, fp);
if (next_run == 1 && hydra_options.conwait)
sleep(hydra_options.conwait);
break;
case 2:
hydra_child_exit(0);
return;
default:
if (!verbose)
hydra_report(stderr, "[ERROR] Caught unknown return code, try verbose "
"option for more details\n");
hydra_child_exit(2);
}
run = next_run;
}
}
int32_t service_mcached_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.
int32_t sock = -1;
int32_t myport = PORT_MCACHED;
char *buf;
if (port != 0)
myport = port;
sock = hydra_connect_tcp(ip, myport);
if (sock < 0) {
if (verbose || debug)
hydra_report(stderr, "[ERROR] Can not connect\n");
return -1;
}
if (mcached_send_com_version(sock)) {
if (verbose || debug)
hydra_report(stderr, "[ERROR] Can not send request\n");
return -1;
}
if (hydra_data_ready_timed(sock, 0, 1000) > 0) {
buf = hydra_receive_line(sock);
if (strstr(buf, "VERSION ")) {
hydra_report_found_host(port, ip, "memcached", fp);
mcached_send_com_quit(sock);
if (sock >= 0)
sock = hydra_disconnect(sock);
hydra_report(stderr, "[ERROR] Memcached server does not require any authentication\n");
}
free(buf);
return -1;
}
if (sock >= 0)
sock = hydra_disconnect(sock);
return 0;
}
#endif
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