#include "lib/param/loadparm.h"
#include "lib/util/base64.h"
#include "cmdline_contexts.h"
+#include "lib/util/tevent_ntstatus.h"
#include <gnutls/gnutls.h>
#include <gnutls/crypto.h>
* Return the session keys used on the connection.
*/
-static NTSTATUS winbind_pw_check(struct auth4_context *auth4_context,
- TALLOC_CTX *mem_ctx,
- const struct auth_usersupplied_info *user_info,
- uint8_t *pauthoritative,
- void **server_returned_info,
- DATA_BLOB *session_key, DATA_BLOB *lm_session_key)
+struct winbind_pw_check_state {
+ uint8_t authoritative;
+ void *server_info;
+ DATA_BLOB nt_session_key;
+ DATA_BLOB lm_session_key;
+};
+
+static struct tevent_req *winbind_pw_check_send(
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct auth4_context *auth4_context,
+ const struct auth_usersupplied_info *user_info)
{
+ struct tevent_req *req = NULL;
+ struct winbind_pw_check_state *state = NULL;
NTSTATUS nt_status;
char *error_string = NULL;
uint8_t lm_key[8];
uint8_t user_sess_key[16];
char *unix_name = NULL;
- nt_status = contact_winbind_auth_crap(user_info->client.account_name, user_info->client.domain_name,
- user_info->workstation_name,
- &auth4_context->challenge.data,
- &user_info->password.response.lanman,
- &user_info->password.response.nt,
- WBFLAG_PAM_LMKEY | WBFLAG_PAM_USER_SESSION_KEY | WBFLAG_PAM_UNIX_NAME,
- 0,
- lm_key, user_sess_key,
- pauthoritative,
- &error_string, &unix_name);
-
- if (NT_STATUS_IS_OK(nt_status)) {
- if (!all_zero(lm_key, 8)) {
- *lm_session_key = data_blob_talloc(mem_ctx, NULL, 16);
- memcpy(lm_session_key->data, lm_key, 8);
- memset(lm_session_key->data+8, '\0', 8);
+ req = tevent_req_create(
+ mem_ctx, &state, struct winbind_pw_check_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ nt_status = contact_winbind_auth_crap(
+ user_info->client.account_name,
+ user_info->client.domain_name,
+ user_info->workstation_name,
+ &auth4_context->challenge.data,
+ &user_info->password.response.lanman,
+ &user_info->password.response.nt,
+ WBFLAG_PAM_LMKEY |
+ WBFLAG_PAM_USER_SESSION_KEY |
+ WBFLAG_PAM_UNIX_NAME,
+ 0,
+ lm_key, user_sess_key,
+ &state->authoritative,
+ &error_string,
+ &unix_name);
+
+ if (tevent_req_nterror(req, nt_status)) {
+ if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
+ DBG_ERR("Login for user [%s]\\[%s]@[%s] failed due "
+ "to [%s]\n",
+ user_info->client.domain_name,
+ user_info->client.account_name,
+ user_info->workstation_name,
+ error_string ?
+ error_string :
+ "unknown error (NULL)");
+ } else {
+ DBG_NOTICE("Login for user [%s]\\[%s]@[%s] failed due "
+ "to [%s]\n",
+ user_info->client.domain_name,
+ user_info->client.account_name,
+ user_info->workstation_name,
+ error_string ?
+ error_string :
+ "unknown error (NULL)");
}
+ goto done;
+ }
- if (!all_zero(user_sess_key, 16)) {
- *session_key = data_blob_talloc(mem_ctx, user_sess_key, 16);
+ if (!all_zero(lm_key, 8)) {
+ state->lm_session_key = data_blob_talloc(state, NULL, 16);
+ if (tevent_req_nomem(state->lm_session_key.data, req)) {
+ goto done;
}
- *server_returned_info = talloc_strdup(mem_ctx,
- unix_name);
- } else {
- DEBUG(NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED) ? 0 : 3,
- ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
- user_info->client.domain_name, user_info->client.account_name,
- user_info->workstation_name,
- error_string ? error_string : "unknown error (NULL)"));
+ memcpy(state->lm_session_key.data, lm_key, 8);
+ memset(state->lm_session_key.data+8, '\0', 8);
+ }
+ if (!all_zero(user_sess_key, 16)) {
+ state->nt_session_key = data_blob_talloc(
+ state, user_sess_key, 16);
+ if (tevent_req_nomem(state->nt_session_key.data, req)) {
+ goto done;
+ }
+ }
+ state->server_info = talloc_strdup(state, unix_name);
+ if (tevent_req_nomem(state->server_info, req)) {
+ goto done;
}
+ tevent_req_done(req);
+done:
SAFE_FREE(error_string);
SAFE_FREE(unix_name);
- return nt_status;
+ return tevent_req_post(req, ev);
}
-static NTSTATUS local_pw_check(struct auth4_context *auth4_context,
- TALLOC_CTX *mem_ctx,
- const struct auth_usersupplied_info *user_info,
- uint8_t *pauthoritative,
- void **server_returned_info,
- DATA_BLOB *session_key, DATA_BLOB *lm_session_key)
+static NTSTATUS winbind_pw_check_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ uint8_t *pauthoritative,
+ void **server_returned_info,
+ DATA_BLOB *nt_session_key,
+ DATA_BLOB *lm_session_key)
{
- NTSTATUS nt_status;
+ struct winbind_pw_check_state *state = tevent_req_data(
+ req, struct winbind_pw_check_state);
+ NTSTATUS status;
+
+ if (pauthoritative != NULL) {
+ *pauthoritative = state->authoritative;
+ }
+
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+
+ if (server_returned_info != NULL) {
+ *server_returned_info = talloc_move(
+ mem_ctx, &state->server_info);
+ }
+ if (nt_session_key != NULL) {
+ *nt_session_key = (DATA_BLOB) {
+ .data = talloc_move(
+ mem_ctx, &state->nt_session_key.data),
+ .length = state->nt_session_key.length,
+ };
+ }
+ if (lm_session_key != NULL) {
+ *lm_session_key = (DATA_BLOB) {
+ .data = talloc_move(
+ mem_ctx, &state->lm_session_key.data),
+ .length = state->lm_session_key.length,
+ };
+ }
+
+ return NT_STATUS_OK;
+}
+
+struct local_pw_check_state {
+ uint8_t authoritative;
+ void *server_info;
+ DATA_BLOB nt_session_key;
+ DATA_BLOB lm_session_key;
+};
+
+static struct tevent_req *local_pw_check_send(
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct auth4_context *auth4_context,
+ const struct auth_usersupplied_info *user_info)
+{
+ struct tevent_req *req = NULL;
+ struct local_pw_check_state *state = NULL;
struct samr_Password lm_pw, nt_pw;
+ NTSTATUS nt_status;
+
+ req = tevent_req_create(
+ mem_ctx, &state, struct local_pw_check_state);
+ if (req == NULL) {
+ return NULL;
+ }
+ state->authoritative = 1;
nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
- *pauthoritative = 1;
+ nt_status = ntlm_password_check(
+ state,
+ true,
+ NTLM_AUTH_ON,
+ 0,
+ &auth4_context->challenge.data,
+ &user_info->password.response.lanman,
+ &user_info->password.response.nt,
+ user_info->client.account_name,
+ user_info->client.account_name,
+ user_info->client.domain_name,
+ &lm_pw,
+ &nt_pw,
+ &state->nt_session_key,
+ &state->lm_session_key);
+
+ if (tevent_req_nterror(req, nt_status)) {
+ DBG_NOTICE("Login for user [%s]\\[%s]@[%s] failed due to "
+ "[%s]\n",
+ user_info->client.domain_name,
+ user_info->client.account_name,
+ user_info->workstation_name,
+ nt_errstr(nt_status));
+ return tevent_req_post(req, ev);
+ }
+
+ state->server_info = talloc_asprintf(
+ state,
+ "%s%c%s",
+ user_info->client.domain_name,
+ *lp_winbind_separator(),
+ user_info->client.account_name);
+ if (tevent_req_nomem(state->server_info, req)) {
+ return tevent_req_post(req, ev);
+ }
+
+ tevent_req_done(req);
+ return tevent_req_post(req, ev);
+}
- nt_status = ntlm_password_check(mem_ctx,
- true, NTLM_AUTH_ON, 0,
- &auth4_context->challenge.data,
- &user_info->password.response.lanman,
- &user_info->password.response.nt,
- user_info->client.account_name,
- user_info->client.account_name,
- user_info->client.domain_name,
- &lm_pw, &nt_pw, session_key, lm_session_key);
-
- if (NT_STATUS_IS_OK(nt_status)) {
- *server_returned_info = talloc_asprintf(mem_ctx,
- "%s%c%s", user_info->client.domain_name,
- *lp_winbind_separator(),
- user_info->client.account_name);
- } else {
- DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
- user_info->client.domain_name, user_info->client.account_name,
- user_info->workstation_name,
- nt_errstr(nt_status)));
+static NTSTATUS local_pw_check_recv(struct tevent_req *req,
+ TALLOC_CTX *mem_ctx,
+ uint8_t *pauthoritative,
+ void **server_returned_info,
+ DATA_BLOB *nt_session_key,
+ DATA_BLOB *lm_session_key)
+{
+ struct local_pw_check_state *state = tevent_req_data(
+ req, struct local_pw_check_state);
+ NTSTATUS status;
+
+ if (pauthoritative != NULL) {
+ *pauthoritative = state->authoritative;
}
- return nt_status;
+
+ if (tevent_req_is_nterror(req, &status)) {
+ return status;
+ }
+
+ if (server_returned_info != NULL) {
+ *server_returned_info = talloc_move(
+ mem_ctx, &state->server_info);
+ }
+ if (nt_session_key != NULL) {
+ *nt_session_key = (DATA_BLOB) {
+ .data = talloc_move(
+ mem_ctx, &state->nt_session_key.data),
+ .length = state->nt_session_key.length,
+ };
+ }
+ if (lm_session_key != NULL) {
+ *lm_session_key = (DATA_BLOB) {
+ .data = talloc_move(
+ mem_ctx, &state->lm_session_key.data),
+ .length = state->lm_session_key.length,
+ };
+ }
+
+ return NT_STATUS_OK;
}
static NTSTATUS ntlm_auth_prepare_gensec_client(TALLOC_CTX *mem_ctx,
auth4_context->get_ntlm_challenge = ntlm_auth_get_challenge;
auth4_context->set_ntlm_challenge = ntlm_auth_set_challenge;
if (local_pw) {
- auth4_context->check_ntlm_password = local_pw_check;
+ auth4_context->check_ntlm_password_send = local_pw_check_send;
+ auth4_context->check_ntlm_password_recv = local_pw_check_recv;
} else {
- auth4_context->check_ntlm_password = winbind_pw_check;
+ auth4_context->check_ntlm_password_send =
+ winbind_pw_check_send;
+ auth4_context->check_ntlm_password_recv =
+ winbind_pw_check_recv;
}
auth4_context->private_data = NULL;
return auth4_context;
TALLOC_CTX *mem_ctx;
mem_ctx = talloc_named(NULL, 0, "manage_gensec_request internal mem_ctx");
+ if (mem_ctx == NULL) {
+ printf("BH No Memory\n");
+ exit(1);
+ }
if (*private1) {
- state = (struct gensec_ntlm_state *)*private1;
+ state = talloc_get_type(*private1, struct gensec_ntlm_state);
+ if (state == NULL) {
+ DBG_WARNING("*private1 is of type %s\n",
+ talloc_get_name(*private1));
+ printf("BH *private1 is of type %s\n",
+ talloc_get_name(*private1));
+ exit(1);
+ }
} else {
state = talloc_zero(NULL, struct gensec_ntlm_state);
if (!state) {