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initial commit
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U-marc-win4\marc
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122 changed files with 60195 additions and 0 deletions
219
hydra-telnet.c
Normal file
219
hydra-telnet.c
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#include "hydra-mod.h"
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#include <arpa/telnet.h>
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extern char *HYDRA_EXIT;
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char *buf;
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int no_line_mode;
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int start_telnet(int s, char *ip, int port, unsigned char options, char *miscptr, FILE * fp) {
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char *empty = "";
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char *login, *pass, buffer[300];
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int i = 0;
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if (strlen(login = hydra_get_next_login()) == 0)
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login = empty;
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if (strlen(pass = hydra_get_next_password()) == 0)
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pass = empty;
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sprintf(buffer, "%.250s\r", login);
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if (no_line_mode) {
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for (i = 0; i < strlen(buffer); i++) {
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if (strcmp(&buffer[i], "\r") == 0) {
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send(s, "\r\0", 2, 0);
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} else {
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send(s, &buffer[i], 1, 0);
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}
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usleep(20000);
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}
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} else {
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if (hydra_send(s, buffer, strlen(buffer) + 1, 0) < 0) {
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return 1;
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}
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}
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do {
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if ((buf = hydra_receive_line(s)) == NULL)
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return 1;
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if (index(buf, '/') != NULL || index(buf, '>') != NULL || index(buf, '%') != NULL || index(buf, '$') != NULL || index(buf, '#') != NULL || index(buf, '%') != NULL) {
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hydra_report_found_host(port, ip, "telnet", fp);
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hydra_completed_pair_found();
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free(buf);
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if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
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return 3;
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return 1;
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}
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(void) make_to_lower(buf);
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if (hydra_strcasestr(buf, "asswor") != NULL || hydra_strcasestr(buf, "asscode") != NULL || hydra_strcasestr(buf, "ennwort") != NULL)
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i = 1;
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if (i == 0 && ((strstr(buf, "ogin:") != NULL && strstr(buf, "last login") == NULL) || strstr(buf, "sername:") != NULL)) {
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free(buf);
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hydra_completed_pair();
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if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
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return 3;
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return 2;
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}
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free(buf);
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} while (i == 0);
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sprintf(buffer, "%.250s\r", pass);
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if (no_line_mode) {
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for (i = 0; i < strlen(buffer); i++) {
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if (strcmp(&buffer[i], "\r") == 0) {
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send(s, "\r\0", 2, 0);
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} else {
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send(s, &buffer[i], 1, 0);
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}
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usleep(20000);
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}
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} else {
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if (hydra_send(s, buffer, strlen(buffer) + 1, 0) < 0) {
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return 1;
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}
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}
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/*win7 answering with do terminal type = 0xfd 0x18 */
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while ((buf = hydra_receive_line(s)) != NULL && make_to_lower(buf) && (strstr(buf, "login:") == NULL || strstr(buf, "last login:") != NULL) && strstr(buf, "sername:") == NULL) {
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if ((miscptr != NULL && strstr(buf, miscptr) != NULL)
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|| (miscptr == NULL
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&& (index(buf, '/') != NULL || index(buf, '>') != NULL || index(buf, '%') != NULL || index(buf, '$') != NULL || index(buf, '#') != NULL
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|| (strstr(buf, " failed") == NULL && index(buf, '%') != NULL) || ((buf[1] == '\xfd') && (buf[2] == '\x18'))))) {
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hydra_report_found_host(port, ip, "telnet", fp);
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hydra_completed_pair_found();
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free(buf);
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if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
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return 3;
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return 1;
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}
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free(buf);
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}
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hydra_completed_pair();
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if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
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return 3;
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return 2;
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}
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void service_telnet(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port) {
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int run = 1, next_run = 1, sock = -1;
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int myport = PORT_TELNET, mysslport = PORT_TELNET_SSL;
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int fck = 0;
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hydra_register_socket(sp);
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if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
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return;
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if (miscptr != NULL)
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make_to_lower(miscptr);
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while (1) {
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int first = 0;
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int old_waittime = waittime;
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switch (run) {
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case 1: /* connect and service init function */
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if (sock >= 0)
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sock = hydra_disconnect(sock);
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// usleep(300000);
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no_line_mode = 0;
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first = 0;
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if ((options & OPTION_SSL) == 0) {
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if (port != 0)
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myport = port;
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sock = hydra_connect_tcp(ip, myport);
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port = myport;
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} else {
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if (port != 0)
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mysslport = port;
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sock = hydra_connect_ssl(ip, mysslport);
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port = mysslport;
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}
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if (sock < 0) {
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hydra_report(stderr, "[ERROR] Child with pid %d terminating, can not connect\n", (int) getpid());
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hydra_child_exit(1);
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}
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if ((buf = hydra_receive_line(sock)) == NULL) { /* check the first line */
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hydra_report(stderr, "[ERROR] Not a TELNET protocol or service shutdown\n");
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hydra_child_exit(2);
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// hydra_child_exit(2);
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}
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if (hydra_strcasestr(buf, "ress ENTER") != NULL) {
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hydra_send(sock, "\r\n", 2, 0);
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free(buf);
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if ((buf = hydra_receive_line(sock)) == NULL) {
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hydra_report(stderr, "[ERROR] Not a TELNET protocol or service shutdown\n");
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hydra_child_exit(2);
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}
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}
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if (hydra_strcasestr(buf, "login") != NULL || hydra_strcasestr(buf, "sername:") != NULL) {
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waittime = 6;
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if (debug)
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hydra_report(stdout, "DEBUG: waittime set to %d\n", waittime);
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}
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do {
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unsigned char *buf2 = (unsigned char *) buf;
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while (*buf2 == IAC) {
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if (first == 0) {
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if (debug)
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hydra_report(stdout, "DEBUG: requested line mode\n");
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fck = write(sock, "\xff\xfb\x22", 3);
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first = 1;
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}
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if ((buf[1] == '\xfc' || buf[1] == '\xfe') && buf2[2] == '\x22') {
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no_line_mode = 1;
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if (debug)
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hydra_report(stdout, "DEBUG: TELNETD peer does not like linemode!\n");
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}
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if (buf2[2] != '\x22') {
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if (buf2[1] == WILL || buf2[1] == WONT) {
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buf2[1] = DONT;
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} else if (buf2[1] == DO || buf2[1] == DONT) {
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buf2[1] = WONT;
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}
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fck = write(sock, buf2, 3);
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}
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buf2 = buf2 + 3;
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}
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if (buf2 != (unsigned char *) buf) {
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free(buf);
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buf = hydra_receive_line(sock);
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} else {
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buf[0] = 0;
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}
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if (buf != NULL && buf[0] != 0 && (unsigned char) buf[0] != IAC)
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make_to_lower(buf);
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} while (buf != NULL && (unsigned char) buf[0] == IAC && hydra_strcasestr(buf, "ogin:") == NULL && hydra_strcasestr(buf, "sername:") == NULL);
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free(buf);
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waittime = old_waittime;
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next_run = 2;
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break;
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case 2: /* run the cracking function */
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next_run = start_telnet(sock, ip, port, options, miscptr, fp);
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break;
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case 3: /* clean exit */
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if (sock >= 0)
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sock = hydra_disconnect(sock);
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hydra_child_exit(0);
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return;
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default:
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hydra_report(stderr, "[ERROR] Caught unknown return code, exiting!\n");
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hydra_child_exit(0);
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}
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run = next_run;
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}
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}
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int service_telnet_init(char *ip, int sp, unsigned char options, char *miscptr, FILE * fp, int port) {
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// called before the childrens are forked off, so this is the function
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// which should be filled if initial connections and service setup has to be
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// performed once only.
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//
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// fill if needed.
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//
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// return codes:
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// 0 all OK
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// -1 error, hydra will exit, so print a good error message here
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return 0;
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}
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