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slackbuilds_ponce/network/hydra/patches/hydra-5.4-libssh-0.4.patch
Larry Hajali acc73f29f6 network/hydra: Updated for version 5.4
2010-05-13 00:36:43 +02:00

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diff -Naur hydra-5.4-src.orig/hydra-ssh2.c hydra-5.4-src/hydra-ssh2.c
--- hydra-5.4-src.orig/hydra-ssh2.c 2007-03-22 14:04:29.000000000 +0000
+++ hydra-5.4-src/hydra-ssh2.c 2009-12-18 03:12:56.000000000 +0000
@@ -7,12 +7,51 @@
}
#else
-#warning "If compilation of hydra-ssh2 fails, you are not using v0.11. Download from http://www.0xbadc0de.be/"
+#warning "If compilation of hydra-ssh2 fails, you are not using v0.4. Download from http://www.libssh.org/"
#include <libssh/libssh.h>
extern char *HYDRA_EXIT;
+/* try to authenticate with one password */
+static int
+try_password(ssh_session ssh_session, char *password){
+ int auth_state;
+ int i;
+ /* printf("ssh-trying pass \"%s\"\n",password); */
+ /* We try keyboard-interactive when it's supported. kbdint is
+ * what openssh tries first when logging somewhere.
+ */
+ auth_state = ssh_userauth_kbdint(ssh_session, NULL, NULL);
+ if(auth_state == SSH_AUTH_INFO){
+ i=0;
+ /* we feed 10 password responses at max. Keybint is challenge-response
+ * based so the server could ask unrelated questions
+ */
+ while(auth_state == SSH_AUTH_INFO && i<10){
+ ssh_userauth_kbdint_setanswer(ssh_session, i, password);
+ auth_state = ssh_userauth_kbdint(ssh_session, NULL, NULL);
+ i++;
+ }
+ /* Partial authentication is specific to SSH : the password is valid but
+ * an other authentication token is needed (generaly private key)
+ */
+ if(auth_state == SSH_AUTH_PARTIAL)
+ auth_state = SSH_AUTH_SUCCESS;
+ if(auth_state == SSH_AUTH_INFO)
+ auth_state = SSH_AUTH_ERROR;
+ return auth_state;
+ }
+ if(auth_state == SSH_AUTH_ERROR)
+ return auth_state;
+ /* Keyboard-interactive is not supported so we run through the password
+ * method */
+ auth_state = ssh_userauth_password(ssh_session, NULL, password);
+ if(auth_state == SSH_AUTH_PARTIAL)
+ auth_state = SSH_AUTH_SUCCESS;
+ return auth_state;
+}
+
int
start_ssh2(int s, unsigned long int ip, int port, unsigned char options, char *miscptr, FILE * fp)
{
@@ -21,17 +60,17 @@
char *buf;
char *rc;
struct sockaddr_in targetip;
- SSH_SESSION *ssh_session;
- SSH_OPTIONS *ssh_opt;
+ ssh_session ssh_session;
+ char buffer[64], firstlogin[128];
int auth_state;
- int i = 0;
+ const int btrue = 1;
if (strlen(login = hydra_get_next_login()) == 0)
login = empty;
if (strlen(pass = hydra_get_next_password()) == 0)
pass = empty;
- ssh_opt=options_new();
+ ssh_session=ssh_new();
memset(&targetip, 0, sizeof(targetip));
memcpy(&targetip.sin_addr.s_addr, &ip, 4);
targetip.sin_family = AF_INET;
@@ -41,16 +80,18 @@
buf = malloc(20);
inet_ntop(AF_INET, &targetip.sin_addr, buf, 20);
#endif
- options_set_wanted_method(ssh_opt,KEX_COMP_C_S,"none");
- options_set_wanted_method(ssh_opt,KEX_COMP_S_C,"none");
- options_set_port(ssh_opt, port);
- options_set_host(ssh_opt, buf);
- options_set_username(ssh_opt, login);
-
- if ((ssh_session = ssh_connect(ssh_opt)) == NULL) {
+ snprintf(firstlogin,sizeof(firstlogin),"%s",login);
+ ssh_options_set(ssh_session, SSH_OPTIONS_SSH1, &btrue);
+ ssh_options_set(ssh_session, SSH_OPTIONS_PORT, &port);
+ ssh_options_set(ssh_session, SSH_OPTIONS_HOST, buf);
+ ssh_options_set(ssh_session, SSH_OPTIONS_USER, login);
+ /* printf("ssh-connecting with login \"%s\"\n",login); */
+ if (ssh_connect(ssh_session) == SSH_ERROR) {
rc = ssh_get_error(ssh_session);
if ((rc != NULL) && (rc[0] != '\0')) {
- if (strncmp("connect:", ssh_get_error(ssh_session), strlen("connect:")) == 0)
+ snprintf(buffer,sizeof(buffer),"%s",rc);
+ ssh_disconnect(ssh_session);
+ if (strncmp("connect:", buffer, strlen("connect:")) == 0)
return 3;
else
return 4;
@@ -60,43 +101,54 @@
free(buf);
buf = NULL;
#endif
-
- do {
- /* why this crap? */
- auth_state = ssh_userauth_kbdint(ssh_session, login, NULL);
- while (i < 10 && auth_state == SSH_AUTH_INFO) {
- ssh_userauth_kbdint_setanswer(ssh_session, i, pass);
- auth_state = ssh_userauth_kbdint(ssh_session, login, NULL);
- i++;
- }
-
- if (auth_state == SSH_AUTH_SUCCESS || ssh_userauth_password(ssh_session, login, pass) == SSH_AUTH_SUCCESS) {
- ssh_disconnect(ssh_session); /* this automagically frees the ssh_opt buffer */
- hydra_report_found_host(port, ip, "ssh2", fp);
- hydra_completed_pair_found();
- if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
- return 2;
- /* free(ssh_opt); */ /* DOUBLE FREE ! */
+ /* None method is important since it can flag passwordless servers */
+ auth_state=ssh_userauth_none(ssh_session, login);
+ if(auth_state == SSH_AUTH_SUCCESS){
+ /* passwordless server */
+ hydra_report_found_host(port, ip, "ssh2", fp);
+ hydra_completed_pair_found();
+ ssh_disconnect(ssh_session);
+ if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
+ return 2;
+ else
return 1;
- } else {
- if (ssh_error_code(ssh_session) == 1) {
- hydra_completed_pair();
+ }
+
+ do {
+ auth_state=try_password(ssh_session, pass);
+ if (auth_state == SSH_AUTH_SUCCESS) {
+ ssh_disconnect(ssh_session); /* this automagically frees the ssh_opt buffer */
+ hydra_report_found_host(port, ip, "ssh2", fp);
+ hydra_completed_pair_found();
if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
return 2;
+ return 1;
} else {
- ssh_disconnect(ssh_session); /* this automagically frees the ssh_opt buffer */
- hydra_completed_pair(); /* really? */
- if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
+ if (auth_state == SSH_AUTH_DENIED) {
+ hydra_completed_pair();
+ if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0){
+ ssh_disconnect(ssh_session);
return 2;
- /* free(ssh_opt); */ /* DOUBLE FREE ! */
+ }
+ /* set a new password to try */
+ login=hydra_get_next_login();
+ if(strcmp(login,firstlogin) != 0){
+ /* we can't try a new login without a new session. */
+ ssh_disconnect(ssh_session);
+ //hydra_completed_pair_skip();
+ return 1;
+ }
+ pass=hydra_get_next_password();
+ /* try again using same session */
+ } else {
+ ssh_disconnect(ssh_session); /* this automagically frees the ssh_opt buffer */
+ /* there was an error. The password was not really tried.*/
+ //hydra_completed_pair_skip();
return 1;
}
}
} while(1);
- /* not reached */
-
- /* free(ssh_opt); */ /* risk of double free */
return 1;
}
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