-/*
+/*
Unix SMB/CIFS implementation.
Winbind status program.
Copyright (C) Tim Potter 2000-2003
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003-2004
- Copyright (C) Francesco Chemolli <kinkie@kame.usr.dsi.unimi.it> 2000
+ Copyright (C) Francesco Chemolli <kinkie@kame.usr.dsi.unimi.it> 2000
+ Copyright (C) Robert O'Callahan 2006 (added cached credential code).
+ Copyright (C) Kai Blin <kai@samba.org> 2008
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "utils/ntlm_auth.h"
+#include "../libcli/auth/libcli_auth.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_WINBIND
-#define SQUID_BUFFER_SIZE 2010
+#define INITIAL_BUFFER_SIZE 300
+#define MAX_BUFFER_SIZE 630000
enum stdio_helper_mode {
SQUID_2_4_BASIC,
GSS_SPNEGO,
GSS_SPNEGO_CLIENT,
NTLM_SERVER_1,
+ NTLM_CHANGE_PASSWORD_1,
NUM_HELPER_MODES
};
-typedef void (*stdio_helper_function)(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length);
+enum ntlm_auth_cli_state {
+ CLIENT_INITIAL = 0,
+ CLIENT_RESPONSE,
+ CLIENT_FINISHED,
+ CLIENT_ERROR
+};
+
+enum ntlm_auth_svr_state {
+ SERVER_INITIAL = 0,
+ SERVER_CHALLENGE,
+ SERVER_FINISHED,
+ SERVER_ERROR
+};
-static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode,
+struct ntlm_auth_state {
+ TALLOC_CTX *mem_ctx;
+ enum stdio_helper_mode helper_mode;
+ enum ntlm_auth_cli_state cli_state;
+ enum ntlm_auth_svr_state svr_state;
+ struct ntlmssp_state *ntlmssp_state;
+ uint32_t neg_flags;
+ char *want_feature_list;
+ bool have_session_key;
+ DATA_BLOB session_key;
+ DATA_BLOB initial_message;
+};
+
+typedef void (*stdio_helper_function)(struct ntlm_auth_state *state, char *buf,
+ int length);
+
+static void manage_squid_basic_request (struct ntlm_auth_state *state,
char *buf, int length);
-static void manage_squid_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length);
+static void manage_squid_ntlmssp_request (struct ntlm_auth_state *state,
+ char *buf, int length);
-static void manage_client_ntlmssp_request (enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length);
+static void manage_client_ntlmssp_request (struct ntlm_auth_state *state,
+ char *buf, int length);
-static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length);
+static void manage_gss_spnego_request (struct ntlm_auth_state *state,
+ char *buf, int length);
-static void manage_gss_spnego_client_request (enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length);
+static void manage_gss_spnego_client_request (struct ntlm_auth_state *state,
+ char *buf, int length);
-static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length);
+static void manage_ntlm_server_1_request (struct ntlm_auth_state *state,
+ char *buf, int length);
+
+static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
+ char *buf, int length);
static const struct {
enum stdio_helper_mode mode;
{ GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
{ GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
{ NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
+ { NTLM_CHANGE_PASSWORD_1, "ntlm-change-password-1", manage_ntlm_change_password_1_request},
{ NUM_HELPER_MODES, NULL, NULL}
};
-extern int winbindd_fd;
-
const char *opt_username;
const char *opt_domain;
const char *opt_workstation;
static DATA_BLOB opt_nt_response;
static int request_lm_key;
static int request_user_session_key;
+static int use_cached_creds;
static const char *require_membership_of;
static const char *require_membership_of_sid;
static char winbind_separator(void)
{
struct winbindd_response response;
- static BOOL got_sep;
+ static bool got_sep;
static char sep;
if (got_sep)
d_printf("winbind separator was NULL!\n");
return *lp_winbind_separator();
}
-
+
return sep;
}
/* Copy of parse_domain_user from winbindd_util.c. Parse a string of the
form DOMAIN/user into a domain and a user */
-static BOOL parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
+static bool parse_ntlm_auth_domain_user(const char *domuser, fstring domain,
fstring user)
{
return True;
}
-static BOOL get_require_membership_sid(void) {
+static bool get_require_membership_sid(void) {
struct winbindd_request request;
struct winbindd_response response;
}
/* Authenticate a user with a plaintext password */
-static BOOL check_plaintext_auth(const char *user, const char *pass,
- BOOL stdout_diagnostics)
+static bool check_plaintext_auth(const char *user, const char *pass,
+ bool stdout_diagnostics)
{
struct winbindd_request request;
struct winbindd_response response;
fstrcpy(request.data.auth.user, user);
fstrcpy(request.data.auth.pass, pass);
- if (require_membership_of_sid)
- fstrcpy(request.data.auth.require_membership_of_sid, require_membership_of_sid);
+ if (require_membership_of_sid) {
+ strlcpy(request.data.auth.require_membership_of_sid,
+ require_membership_of_sid,
+ sizeof(request.data.auth.require_membership_of_sid));
+ }
result = winbindd_request_response(WINBINDD_PAM_AUTH, &request, &response);
/* Display response */
-
+
if (stdout_diagnostics) {
if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
d_printf("Reading winbind reply failed! (0x01)\n");
}
-
- d_printf("%s: %s (0x%x)\n",
- response.data.auth.nt_status_string,
- response.data.auth.error_string,
+
+ d_printf("%s: %s (0x%x)\n",
+ response.data.auth.nt_status_string,
+ response.data.auth.error_string,
response.data.auth.nt_status);
} else {
if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0)) {
DEBUG(1, ("Reading winbind reply failed! (0x01)\n"));
}
-
- DEBUG(3, ("%s: %s (0x%x)\n",
- response.data.auth.nt_status_string,
+
+ DEBUG(3, ("%s: %s (0x%x)\n",
+ response.data.auth.nt_status_string,
response.data.auth.error_string,
- response.data.auth.nt_status));
+ response.data.auth.nt_status));
}
-
+
return (result == NSS_STATUS_SUCCESS);
}
/* authenticate a user with an encrypted username/password */
-NTSTATUS contact_winbind_auth_crap(const char *username,
- const char *domain,
+NTSTATUS contact_winbind_auth_crap(const char *username,
+ const char *domain,
const char *workstation,
- const DATA_BLOB *challenge,
- const DATA_BLOB *lm_response,
- const DATA_BLOB *nt_response,
- uint32 flags,
- uint8 lm_key[8],
- uint8 user_session_key[16],
- char **error_string,
- char **unix_name)
+ const DATA_BLOB *challenge,
+ const DATA_BLOB *lm_response,
+ const DATA_BLOB *nt_response,
+ uint32 flags,
+ uint8 lm_key[8],
+ uint8 user_session_key[16],
+ char **error_string,
+ char **unix_name)
{
NTSTATUS nt_status;
NSS_STATUS result;
}
if (nt_response && nt_response->length) {
- memcpy(request.data.auth_crap.nt_resp,
- nt_response->data,
- MIN(nt_response->length, sizeof(request.data.auth_crap.nt_resp)));
+ if (nt_response->length > sizeof(request.data.auth_crap.nt_resp)) {
+ request.flags = request.flags | WBFLAG_BIG_NTLMV2_BLOB;
+ request.extra_len = nt_response->length;
+ request.extra_data.data = SMB_MALLOC_ARRAY(char, request.extra_len);
+ if (request.extra_data.data == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ memcpy(request.extra_data.data, nt_response->data,
+ nt_response->length);
+
+ } else {
+ memcpy(request.data.auth_crap.nt_resp,
+ nt_response->data, nt_response->length);
+ }
request.data.auth_crap.nt_resp_len = nt_response->length;
}
result = winbindd_request_response(WINBINDD_PAM_AUTH_CRAP, &request, &response);
+ SAFE_FREE(request.extra_data.data);
/* Display response */
nt_status = NT_STATUS_UNSUCCESSFUL;
if (error_string)
*error_string = smb_xstrdup("Reading winbind reply failed!");
- free_response(&response);
+ winbindd_free_response(&response);
return nt_status;
}
if (!NT_STATUS_IS_OK(nt_status)) {
if (error_string)
*error_string = smb_xstrdup(response.data.auth.error_string);
- free_response(&response);
+ winbindd_free_response(&response);
return nt_status;
}
}
if (flags & WBFLAG_PAM_UNIX_NAME) {
- *unix_name = SMB_STRDUP((char *)response.extra_data.data);
+ *unix_name = SMB_STRDUP(response.data.auth.unix_username);
if (!*unix_name) {
- free_response(&response);
+ winbindd_free_response(&response);
return NT_STATUS_NO_MEMORY;
}
}
- free_response(&response);
+ winbindd_free_response(&response);
return nt_status;
}
-
+
+/* contact server to change user password using auth crap */
+static NTSTATUS contact_winbind_change_pswd_auth_crap(const char *username,
+ const char *domain,
+ const DATA_BLOB new_nt_pswd,
+ const DATA_BLOB old_nt_hash_enc,
+ const DATA_BLOB new_lm_pswd,
+ const DATA_BLOB old_lm_hash_enc,
+ char **error_string)
+{
+ NTSTATUS nt_status;
+ NSS_STATUS result;
+ struct winbindd_request request;
+ struct winbindd_response response;
+
+ if (!get_require_membership_sid())
+ {
+ if(error_string)
+ *error_string = smb_xstrdup("Can't get membership sid.");
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ if(username != NULL)
+ fstrcpy(request.data.chng_pswd_auth_crap.user, username);
+ if(domain != NULL)
+ fstrcpy(request.data.chng_pswd_auth_crap.domain,domain);
+
+ if(new_nt_pswd.length)
+ {
+ memcpy(request.data.chng_pswd_auth_crap.new_nt_pswd, new_nt_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_nt_pswd));
+ request.data.chng_pswd_auth_crap.new_nt_pswd_len = new_nt_pswd.length;
+ }
+
+ if(old_nt_hash_enc.length)
+ {
+ memcpy(request.data.chng_pswd_auth_crap.old_nt_hash_enc, old_nt_hash_enc.data, sizeof(request.data.chng_pswd_auth_crap.old_nt_hash_enc));
+ request.data.chng_pswd_auth_crap.old_nt_hash_enc_len = old_nt_hash_enc.length;
+ }
+
+ if(new_lm_pswd.length)
+ {
+ memcpy(request.data.chng_pswd_auth_crap.new_lm_pswd, new_lm_pswd.data, sizeof(request.data.chng_pswd_auth_crap.new_lm_pswd));
+ request.data.chng_pswd_auth_crap.new_lm_pswd_len = new_lm_pswd.length;
+ }
+
+ if(old_lm_hash_enc.length)
+ {
+ memcpy(request.data.chng_pswd_auth_crap.old_lm_hash_enc, old_lm_hash_enc.data, sizeof(request.data.chng_pswd_auth_crap.old_lm_hash_enc));
+ request.data.chng_pswd_auth_crap.old_lm_hash_enc_len = old_lm_hash_enc.length;
+ }
+
+ result = winbindd_request_response(WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, &request, &response);
+
+ /* Display response */
+
+ if ((result != NSS_STATUS_SUCCESS) && (response.data.auth.nt_status == 0))
+ {
+ nt_status = NT_STATUS_UNSUCCESSFUL;
+ if (error_string)
+ *error_string = smb_xstrdup("Reading winbind reply failed!");
+ winbindd_free_response(&response);
+ return nt_status;
+ }
+
+ nt_status = (NT_STATUS(response.data.auth.nt_status));
+ if (!NT_STATUS_IS_OK(nt_status))
+ {
+ if (error_string)
+ *error_string = smb_xstrdup(response.data.auth.error_string);
+ winbindd_free_response(&response);
+ return nt_status;
+ }
+
+ winbindd_free_response(&response);
+
+ return nt_status;
+}
+
static NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
{
- static const char zeros[16];
+ static const char zeros[16] = { 0, };
NTSTATUS nt_status;
- char *error_string;
+ char *error_string = NULL;
uint8 lm_key[8];
uint8 user_sess_key[16];
- char *unix_name;
+ char *unix_name = NULL;
nt_status = contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
ntlmssp_state->workstation,
if (memcmp(user_sess_key, zeros, 16) != 0) {
*user_session_key = data_blob(user_sess_key, 16);
}
- ntlmssp_state->auth_context = talloc_strdup(ntlmssp_state->mem_ctx, unix_name);
- SAFE_FREE(unix_name);
+ ntlmssp_state->auth_context = talloc_strdup(ntlmssp_state,
+ 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",
error_string ? error_string : "unknown error (NULL)"));
ntlmssp_state->auth_context = NULL;
}
+
+ SAFE_FREE(error_string);
+ SAFE_FREE(unix_name);
return nt_status;
}
static NTSTATUS local_pw_check(struct ntlmssp_state *ntlmssp_state, DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
{
NTSTATUS nt_status;
- uint8 lm_pw[16], nt_pw[16];
+ struct samr_Password lm_pw, nt_pw;
- nt_lm_owf_gen (opt_password, nt_pw, lm_pw);
+ nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
- nt_status = ntlm_password_check(ntlmssp_state->mem_ctx,
+ nt_status = ntlm_password_check(ntlmssp_state,
+ true, true, 0,
&ntlmssp_state->chal,
&ntlmssp_state->lm_resp,
&ntlmssp_state->nt_resp,
- NULL, NULL,
ntlmssp_state->user,
ntlmssp_state->user,
ntlmssp_state->domain,
- lm_pw, nt_pw, user_session_key, lm_session_key);
+ &lm_pw, &nt_pw, user_session_key, lm_session_key);
if (NT_STATUS_IS_OK(nt_status)) {
- ntlmssp_state->auth_context = talloc_asprintf(ntlmssp_state->mem_ctx,
+ ntlmssp_state->auth_context = talloc_asprintf(ntlmssp_state,
"%s%c%s", ntlmssp_state->domain,
*lp_winbind_separator(),
ntlmssp_state->user);
return status;
}
- status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
+ if (opt_password) {
+ status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set password: %s\n",
- nt_errstr(status)));
- ntlmssp_end(client_ntlmssp_state);
- return status;
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1, ("Could not set password: %s\n",
+ nt_errstr(status)));
+ ntlmssp_end(client_ntlmssp_state);
+ return status;
+ }
}
+
return NT_STATUS_OK;
}
return NT_STATUS_OK;
}
-static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length)
+/*******************************************************************
+ Used by firefox to drive NTLM auth to IIS servers.
+*******************************************************************/
+
+static NTSTATUS do_ccache_ntlm_auth(DATA_BLOB initial_msg, DATA_BLOB challenge_msg,
+ DATA_BLOB *reply)
+{
+ struct winbindd_request wb_request;
+ struct winbindd_response wb_response;
+ NSS_STATUS result;
+
+ /* get winbindd to do the ntlmssp step on our behalf */
+ ZERO_STRUCT(wb_request);
+ ZERO_STRUCT(wb_response);
+
+ fstr_sprintf(wb_request.data.ccache_ntlm_auth.user,
+ "%s%c%s", opt_domain, winbind_separator(), opt_username);
+ wb_request.data.ccache_ntlm_auth.uid = geteuid();
+ wb_request.data.ccache_ntlm_auth.initial_blob_len = initial_msg.length;
+ wb_request.data.ccache_ntlm_auth.challenge_blob_len = challenge_msg.length;
+ wb_request.extra_len = initial_msg.length + challenge_msg.length;
+
+ if (wb_request.extra_len > 0) {
+ wb_request.extra_data.data = SMB_MALLOC_ARRAY(char, wb_request.extra_len);
+ if (wb_request.extra_data.data == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ memcpy(wb_request.extra_data.data, initial_msg.data, initial_msg.length);
+ memcpy(wb_request.extra_data.data + initial_msg.length,
+ challenge_msg.data, challenge_msg.length);
+ }
+
+ result = winbindd_request_response(WINBINDD_CCACHE_NTLMAUTH, &wb_request, &wb_response);
+ SAFE_FREE(wb_request.extra_data.data);
+
+ if (result != NSS_STATUS_SUCCESS) {
+ winbindd_free_response(&wb_response);
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ if (reply) {
+ *reply = data_blob(wb_response.extra_data.data,
+ wb_response.data.ccache_ntlm_auth.auth_blob_len);
+ if (wb_response.data.ccache_ntlm_auth.auth_blob_len > 0 &&
+ reply->data == NULL) {
+ winbindd_free_response(&wb_response);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ winbindd_free_response(&wb_response);
+ return NT_STATUS_MORE_PROCESSING_REQUIRED;
+}
+
+static void manage_squid_ntlmssp_request(struct ntlm_auth_state *state,
+ char *buf, int length)
{
- static NTLMSSP_STATE *ntlmssp_state = NULL;
DATA_BLOB request, reply;
NTSTATUS nt_status;
if (strlen(buf) < 2) {
DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
return;
}
if (strlen(buf) > 3) {
+ if(strncmp(buf, "SF ", 3) == 0){
+ DEBUG(10, ("Setting flags to negotioate\n"));
+ TALLOC_FREE(state->want_feature_list);
+ state->want_feature_list = talloc_strdup(state->mem_ctx,
+ buf+3);
+ x_fprintf(x_stdout, "OK\n");
+ return;
+ }
request = base64_decode_data_blob(buf + 3);
} else {
- request = data_blob(NULL, 0);
+ request = data_blob_null;
}
if ((strncmp(buf, "PW ", 3) == 0)) {
- /* The calling application wants us to use a local password (rather than winbindd) */
+ /* The calling application wants us to use a local password
+ * (rather than winbindd) */
- opt_password = SMB_STRNDUP((const char *)request.data, request.length);
+ opt_password = SMB_STRNDUP((const char *)request.data,
+ request.length);
if (opt_password == NULL) {
DEBUG(1, ("Out of memory\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Out of memory\n");
data_blob_free(&request);
return;
}
}
if (strncmp(buf, "YR", 2) == 0) {
- if (ntlmssp_state)
- ntlmssp_end(&ntlmssp_state);
+ if (state->ntlmssp_state)
+ ntlmssp_end(&state->ntlmssp_state);
+ state->svr_state = SERVER_INITIAL;
} else if (strncmp(buf, "KK", 2) == 0) {
-
+ /* No special preprocessing required */
+ } else if (strncmp(buf, "GF", 2) == 0) {
+ DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
+
+ if (state->svr_state == SERVER_FINISHED) {
+ x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
+ }
+ else {
+ x_fprintf(x_stdout, "BH\n");
+ }
+ data_blob_free(&request);
+ return;
+ } else if (strncmp(buf, "GK", 2) == 0) {
+ DEBUG(10, ("Requested NTLMSSP session key\n"));
+ if(state->have_session_key) {
+ char *key64 = base64_encode_data_blob(state->mem_ctx,
+ state->session_key);
+ x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
+ TALLOC_FREE(key64);
+ } else {
+ x_fprintf(x_stdout, "BH\n");
+ }
+
+ data_blob_free(&request);
+ return;
} else {
DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
return;
}
- if (!ntlmssp_state) {
- if (!NT_STATUS_IS_OK(nt_status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
+ if (!state->ntlmssp_state) {
+ nt_status = ntlm_auth_start_ntlmssp_server(
+ &state->ntlmssp_state);
+ if (!NT_STATUS_IS_OK(nt_status)) {
x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
return;
}
+ ntlmssp_want_feature_list(state->ntlmssp_state,
+ state->want_feature_list);
}
DEBUG(10, ("got NTLMSSP packet:\n"));
- dump_data(10, (const char *)request.data, request.length);
+ dump_data(10, request.data, request.length);
+
+ nt_status = ntlmssp_update(state->ntlmssp_state, request, &reply);
- nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
-
if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- char *reply_base64 = base64_encode_data_blob(reply);
+ char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
+ reply);
x_fprintf(x_stdout, "TT %s\n", reply_base64);
- SAFE_FREE(reply_base64);
+ TALLOC_FREE(reply_base64);
data_blob_free(&reply);
+ state->svr_state = SERVER_CHALLENGE;
DEBUG(10, ("NTLMSSP challenge\n"));
} else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
- ntlmssp_end(&ntlmssp_state);
+ ntlmssp_end(&state->ntlmssp_state);
} else if (!NT_STATUS_IS_OK(nt_status)) {
x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
} else {
- x_fprintf(x_stdout, "AF %s\n", (char *)ntlmssp_state->auth_context);
+ x_fprintf(x_stdout, "AF %s\n",
+ (char *)state->ntlmssp_state->auth_context);
DEBUG(10, ("NTLMSSP OK!\n"));
+
+ if(state->have_session_key)
+ data_blob_free(&state->session_key);
+ state->session_key = data_blob(
+ state->ntlmssp_state->session_key.data,
+ state->ntlmssp_state->session_key.length);
+ state->neg_flags = state->ntlmssp_state->neg_flags;
+ state->have_session_key = true;
+ state->svr_state = SERVER_FINISHED;
}
data_blob_free(&request);
}
-static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length)
+static void manage_client_ntlmssp_request(struct ntlm_auth_state *state,
+ char *buf, int length)
{
- static NTLMSSP_STATE *ntlmssp_state = NULL;
DATA_BLOB request, reply;
NTSTATUS nt_status;
- BOOL first = False;
-
+
+ if (!opt_username || !*opt_username) {
+ x_fprintf(x_stderr, "username must be specified!\n\n");
+ exit(1);
+ }
+
if (strlen(buf) < 2) {
DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
return;
}
if (strlen(buf) > 3) {
+ if(strncmp(buf, "SF ", 3) == 0) {
+ DEBUG(10, ("Looking for flags to negotiate\n"));
+ talloc_free(state->want_feature_list);
+ state->want_feature_list = talloc_strdup(state->mem_ctx,
+ buf+3);
+ x_fprintf(x_stdout, "OK\n");
+ return;
+ }
request = base64_decode_data_blob(buf + 3);
} else {
- request = data_blob(NULL, 0);
+ request = data_blob_null;
}
if (strncmp(buf, "PW ", 3) == 0) {
/* We asked for a password and obviously got it :-) */
- opt_password = SMB_STRNDUP((const char *)request.data, request.length);
+ opt_password = SMB_STRNDUP((const char *)request.data,
+ request.length);
if (opt_password == NULL) {
DEBUG(1, ("Out of memory\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Out of memory\n");
data_blob_free(&request);
return;
}
return;
}
- if (opt_password == NULL) {
-
+ if (!state->ntlmssp_state && use_cached_creds) {
+ /* check whether cached credentials are usable. */
+ DATA_BLOB empty_blob = data_blob_null;
+
+ nt_status = do_ccache_ntlm_auth(empty_blob, empty_blob, NULL);
+ if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ /* failed to use cached creds */
+ use_cached_creds = False;
+ }
+ }
+
+ if (opt_password == NULL && !use_cached_creds) {
/* Request a password from the calling process. After
- sending it, the calling process should retry asking for the negotiate. */
-
+ sending it, the calling process should retry asking for the
+ negotiate. */
+
DEBUG(10, ("Requesting password\n"));
x_fprintf(x_stdout, "PW\n");
return;
}
if (strncmp(buf, "YR", 2) == 0) {
- if (ntlmssp_state)
- ntlmssp_end(&ntlmssp_state);
+ if (state->ntlmssp_state)
+ ntlmssp_end(&state->ntlmssp_state);
+ state->cli_state = CLIENT_INITIAL;
} else if (strncmp(buf, "TT", 2) == 0) {
-
+ /* No special preprocessing required */
+ } else if (strncmp(buf, "GF", 2) == 0) {
+ DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
+
+ if(state->cli_state == CLIENT_FINISHED) {
+ x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
+ }
+ else {
+ x_fprintf(x_stdout, "BH\n");
+ }
+
+ data_blob_free(&request);
+ return;
+ } else if (strncmp(buf, "GK", 2) == 0 ) {
+ DEBUG(10, ("Requested session key\n"));
+
+ if(state->cli_state == CLIENT_FINISHED) {
+ char *key64 = base64_encode_data_blob(state->mem_ctx,
+ state->session_key);
+ x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
+ TALLOC_FREE(key64);
+ }
+ else {
+ x_fprintf(x_stdout, "BH\n");
+ }
+
+ data_blob_free(&request);
+ return;
} else {
DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
return;
}
- if (!ntlmssp_state) {
- if (!NT_STATUS_IS_OK(nt_status = ntlm_auth_start_ntlmssp_client(&ntlmssp_state))) {
+ if (!state->ntlmssp_state) {
+ nt_status = ntlm_auth_start_ntlmssp_client(
+ &state->ntlmssp_state);
+ if (!NT_STATUS_IS_OK(nt_status)) {
x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
return;
}
- first = True;
+ ntlmssp_want_feature_list(state->ntlmssp_state,
+ state->want_feature_list);
+ state->initial_message = data_blob_null;
}
DEBUG(10, ("got NTLMSSP packet:\n"));
- dump_data(10, (const char *)request.data, request.length);
+ dump_data(10, request.data, request.length);
+
+ if (use_cached_creds && !opt_password &&
+ (state->cli_state == CLIENT_RESPONSE)) {
+ nt_status = do_ccache_ntlm_auth(state->initial_message, request,
+ &reply);
+ } else {
+ nt_status = ntlmssp_update(state->ntlmssp_state, request,
+ &reply);
+ }
- nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
-
if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- char *reply_base64 = base64_encode_data_blob(reply);
- if (first) {
+ char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
+ reply);
+ if (state->cli_state == CLIENT_INITIAL) {
x_fprintf(x_stdout, "YR %s\n", reply_base64);
- } else {
+ state->initial_message = reply;
+ state->cli_state = CLIENT_RESPONSE;
+ } else {
x_fprintf(x_stdout, "KK %s\n", reply_base64);
+ data_blob_free(&reply);
}
- SAFE_FREE(reply_base64);
- data_blob_free(&reply);
+ TALLOC_FREE(reply_base64);
DEBUG(10, ("NTLMSSP challenge\n"));
} else if (NT_STATUS_IS_OK(nt_status)) {
- char *reply_base64 = base64_encode_data_blob(reply);
+ char *reply_base64 = base64_encode_data_blob(talloc_tos(),
+ reply);
x_fprintf(x_stdout, "AF %s\n", reply_base64);
- SAFE_FREE(reply_base64);
+ TALLOC_FREE(reply_base64);
+
+ if(state->have_session_key)
+ data_blob_free(&state->session_key);
+
+ state->session_key = data_blob(
+ state->ntlmssp_state->session_key.data,
+ state->ntlmssp_state->session_key.length);
+ state->neg_flags = state->ntlmssp_state->neg_flags;
+ state->have_session_key = true;
+
DEBUG(10, ("NTLMSSP OK!\n"));
- if (ntlmssp_state)
- ntlmssp_end(&ntlmssp_state);
+ state->cli_state = CLIENT_FINISHED;
+ if (state->ntlmssp_state)
+ ntlmssp_end(&state->ntlmssp_state);
} else {
x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
- if (ntlmssp_state)
- ntlmssp_end(&ntlmssp_state);
+ state->cli_state = CLIENT_ERROR;
+ if (state->ntlmssp_state)
+ ntlmssp_end(&state->ntlmssp_state);
}
data_blob_free(&request);
}
-static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length)
+static void manage_squid_basic_request(struct ntlm_auth_state *state,
+ char *buf, int length)
{
char *user, *pass;
user=buf;
- pass=memchr(buf,' ',length);
+ pass=(char *)memchr(buf,' ',length);
if (!pass) {
DEBUG(2, ("Password not found. Denying access\n"));
x_fprintf(x_stdout, "ERR\n");
*pass='\0';
pass++;
- if (stdio_helper_mode == SQUID_2_5_BASIC) {
+ if (state->helper_mode == SQUID_2_5_BASIC) {
rfc1738_unescape(user);
rfc1738_unescape(pass);
}
SPNEGO_DATA spnego;
ssize_t len;
char *reply_base64;
-
- pstring principal;
- pstring myname_lower;
+ TALLOC_CTX *ctx = talloc_tos();
+ char *principal;
+ char *myname_lower;
ZERO_STRUCT(spnego);
- pstrcpy(myname_lower, global_myname());
+ myname_lower = talloc_strdup(ctx, global_myname());
+ if (!myname_lower) {
+ return;
+ }
strlower_m(myname_lower);
- pstr_sprintf(principal, "%s$@%s", myname_lower, lp_realm());
+ principal = talloc_asprintf(ctx, "%s$@%s", myname_lower, lp_realm());
+ if (!principal) {
+ return;
+ }
/* Server negTokenInit (mech offerings) */
spnego.type = SPNEGO_NEG_TOKEN_INIT;
if (len == -1) {
DEBUG(1, ("Could not write SPNEGO data blob\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
return;
}
- reply_base64 = base64_encode_data_blob(token);
+ reply_base64 = base64_encode_data_blob(talloc_tos(), token);
x_fprintf(x_stdout, "TT %s *\n", reply_base64);
- SAFE_FREE(reply_base64);
+ TALLOC_FREE(reply_base64);
data_blob_free(&token);
DEBUG(10, ("sent SPNEGO negTokenInit\n"));
return;
}
-static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length)
+static void manage_gss_spnego_request(struct ntlm_auth_state *state,
+ char *buf, int length)
{
static NTLMSSP_STATE *ntlmssp_state = NULL;
SPNEGO_DATA request, response;
DATA_BLOB token;
NTSTATUS status;
ssize_t len;
+ TALLOC_CTX *ctx = talloc_tos();
char *user = NULL;
char *domain = NULL;
const char *reply_code;
char *reply_base64;
- pstring reply_argument;
+ char *reply_argument = NULL;
if (strlen(buf) < 2) {
DEBUG(1, ("SPENGO query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH SPENGO query invalid\n");
return;
}
if (ntlmssp_state)
ntlmssp_end(&ntlmssp_state);
} else if (strncmp(buf, "KK", 2) == 0) {
-
+ ;
} else {
DEBUG(1, ("SPENGO query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH SPENGO query invalid\n");
return;
}
if (strlen(buf) <= 3) {
DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
return;
}
if (len == -1) {
DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
return;
}
if ( (request.negTokenInit.mechTypes == NULL) ||
(request.negTokenInit.mechTypes[0] == NULL) ) {
DEBUG(1, ("Client did not offer any mechanism"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Client did not offer any "
+ "mechanism\n");
return;
}
if (strcmp(request.negTokenInit.mechTypes[0], OID_NTLMSSP) == 0) {
if ( request.negTokenInit.mechToken.data == NULL ) {
- DEBUG(1, ("Client did not provide NTLMSSP data\n"));
- x_fprintf(x_stdout, "BH\n");
+ DEBUG(1, ("Client did not provide NTLMSSP data\n"));
+ x_fprintf(x_stdout, "BH Client did not provide "
+ "NTLMSSP data\n");
return;
}
if ( ntlmssp_state != NULL ) {
DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
"already got one\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Client wants a new "
+ "NTLMSSP challenge, but "
+ "already got one\n");
ntlmssp_end(&ntlmssp_state);
return;
}
}
DEBUG(10, ("got NTLMSSP packet:\n"));
- dump_data(10, (const char *)request.negTokenInit.mechToken.data,
+ dump_data(10, request.negTokenInit.mechToken.data,
request.negTokenInit.mechToken.length);
response.type = SPNEGO_NEG_TOKEN_TARG;
response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
- response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
+ response.negTokenTarg.mechListMIC = data_blob_null;
status = ntlmssp_update(ntlmssp_state,
request.negTokenInit.mechToken,
char *principal;
DATA_BLOB ap_rep;
DATA_BLOB session_key;
+ struct PAC_DATA *pac_data = NULL;
if ( request.negTokenInit.mechToken.data == NULL ) {
DEBUG(1, ("Client did not provide Kerberos data\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Client did not provide "
+ "Kerberos data\n");
return;
}
response.type = SPNEGO_NEG_TOKEN_TARG;
response.negTokenTarg.supportedMech = SMB_STRDUP(OID_KERBEROS5_OLD);
- response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
- response.negTokenTarg.responseToken = data_blob(NULL, 0);
+ response.negTokenTarg.mechListMIC = data_blob_null;
+ response.negTokenTarg.responseToken = data_blob_null;
status = ads_verify_ticket(mem_ctx, lp_realm(), 0,
&request.negTokenInit.mechToken,
- &principal, NULL, &ap_rep,
- &session_key);
-
- talloc_destroy(mem_ctx);
+ &principal, &pac_data, &ap_rep,
+ &session_key, True);
/* Now in "principal" we have the name we are
authenticated as. */
if (domain == NULL) {
DEBUG(1, ("Did not get a valid principal "
"from ads_verify_ticket\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Did not get a "
+ "valid principal from "
+ "ads_verify_ticket\n");
return;
}
user = SMB_STRDUP(principal);
data_blob_free(&ap_rep);
-
- SAFE_FREE(principal);
}
+
+ TALLOC_FREE(mem_ctx);
}
#endif
is the only one we support that sends this stuff */
DEBUG(1, ("Got a negTokenTarg for something non-NTLMSSP: %s\n",
request.negTokenTarg.supportedMech));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Got a negTokenTarg for "
+ "something non-NTLMSSP\n");
return;
}
if (request.negTokenTarg.responseToken.data == NULL) {
DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Got a negTokenTarg without a "
+ "responseToken!\n");
return;
}
response.type = SPNEGO_NEG_TOKEN_TARG;
response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
- response.negTokenTarg.mechListMIC = data_blob(NULL, 0);
+ response.negTokenTarg.mechListMIC = data_blob_null;
if (NT_STATUS_IS_OK(status)) {
user = SMB_STRDUP(ntlmssp_state->user);
if (NT_STATUS_IS_OK(status)) {
response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
reply_code = "AF";
- pstr_sprintf(reply_argument, "%s\\%s", domain, user);
+ reply_argument = talloc_asprintf(ctx, "%s\\%s", domain, user);
} else if (NT_STATUS_EQUAL(status,
NT_STATUS_MORE_PROCESSING_REQUIRED)) {
response.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
reply_code = "TT";
- pstr_sprintf(reply_argument, "*");
+ reply_argument = talloc_strdup(ctx, "*");
} else {
response.negTokenTarg.negResult = SPNEGO_REJECT;
reply_code = "NA";
- pstrcpy(reply_argument, nt_errstr(status));
+ reply_argument = talloc_strdup(ctx, nt_errstr(status));
+ }
+
+ if (!reply_argument) {
+ DEBUG(1, ("Could not write SPNEGO data blob\n"));
+ x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
+ return;
}
SAFE_FREE(user);
if (len == -1) {
DEBUG(1, ("Could not write SPNEGO data blob\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
return;
}
- reply_base64 = base64_encode_data_blob(token);
+ reply_base64 = base64_encode_data_blob(talloc_tos(), token);
x_fprintf(x_stdout, "%s %s %s\n",
reply_code, reply_base64, reply_argument);
- SAFE_FREE(reply_base64);
+ TALLOC_FREE(reply_base64);
data_blob_free(&token);
return;
static NTLMSSP_STATE *client_ntlmssp_state = NULL;
-static BOOL manage_client_ntlmssp_init(SPNEGO_DATA spnego)
+static bool manage_client_ntlmssp_init(SPNEGO_DATA spnego)
{
NTSTATUS status;
- DATA_BLOB null_blob = data_blob(NULL, 0);
+ DATA_BLOB null_blob = data_blob_null;
DATA_BLOB to_server;
char *to_server_base64;
const char *my_mechs[] = {OID_NTLMSSP, NULL};
write_spnego_data(&to_server, &spnego);
data_blob_free(&spnego.negTokenInit.mechToken);
- to_server_base64 = base64_encode_data_blob(to_server);
+ to_server_base64 = base64_encode_data_blob(talloc_tos(), to_server);
data_blob_free(&to_server);
x_fprintf(x_stdout, "KK %s\n", to_server_base64);
- SAFE_FREE(to_server_base64);
+ TALLOC_FREE(to_server_base64);
return True;
}
static void manage_client_ntlmssp_targ(SPNEGO_DATA spnego)
{
NTSTATUS status;
- DATA_BLOB null_blob = data_blob(NULL, 0);
+ DATA_BLOB null_blob = data_blob_null;
DATA_BLOB request;
DATA_BLOB to_server;
char *to_server_base64;
if (client_ntlmssp_state == NULL) {
DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
- x_fprintf(x_stdout, "BH\n");
- ntlmssp_end(&client_ntlmssp_state);
+ x_fprintf(x_stdout, "BH Got NTLMSSP tArg without a client state\n");
return;
}
DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED from "
"ntlmssp_client_update, got: %s\n",
nt_errstr(status)));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Expected MORE_PROCESSING_REQUIRED from "
+ "ntlmssp_client_update\n");
data_blob_free(&request);
ntlmssp_end(&client_ntlmssp_state);
return;
write_spnego_data(&to_server, &spnego);
data_blob_free(&request);
- to_server_base64 = base64_encode_data_blob(to_server);
+ to_server_base64 = base64_encode_data_blob(talloc_tos(), to_server);
data_blob_free(&to_server);
x_fprintf(x_stdout, "KK %s\n", to_server_base64);
- SAFE_FREE(to_server_base64);
+ TALLOC_FREE(to_server_base64);
return;
}
#ifdef HAVE_KRB5
-static BOOL manage_client_krb5_init(SPNEGO_DATA spnego)
+static bool manage_client_krb5_init(SPNEGO_DATA spnego)
{
char *principal;
DATA_BLOB tkt, to_server;
- DATA_BLOB session_key_krb5 = data_blob(NULL, 0);
+ DATA_BLOB session_key_krb5 = data_blob_null;
SPNEGO_DATA reply;
char *reply_base64;
int retval;
-
+
const char *my_mechs[] = {OID_KERBEROS5_OLD, NULL};
ssize_t len;
return False;
}
- principal = SMB_MALLOC(spnego.negTokenInit.mechListMIC.length+1);
+ principal = (char *)SMB_MALLOC(
+ spnego.negTokenInit.mechListMIC.length+1);
if (principal == NULL) {
DEBUG(1, ("Could not malloc principal\n"));
spnego.negTokenInit.mechListMIC.length);
principal[spnego.negTokenInit.mechListMIC.length] = '\0';
- retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL);
+ retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
if (retval) {
-
- pstring user;
+ char *user = NULL;
/* Let's try to first get the TGT, for that we need a
password. */
return True;
}
- pstr_sprintf(user, "%s@%s", opt_username, opt_domain);
+ user = talloc_asprintf(talloc_tos(), "%s@%s", opt_username, opt_domain);
+ if (!user) {
+ return false;
+ }
if ((retval = kerberos_kinit_password(user, opt_password, 0, NULL))) {
DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval)));
return False;
}
- retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL);
+ retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
if (retval) {
DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval)));
reply.negTokenInit.mechTypes = my_mechs;
reply.negTokenInit.reqFlags = 0;
reply.negTokenInit.mechToken = tkt;
- reply.negTokenInit.mechListMIC = data_blob(NULL, 0);
+ reply.negTokenInit.mechListMIC = data_blob_null;
len = write_spnego_data(&to_server, &reply);
data_blob_free(&tkt);
return False;
}
- reply_base64 = base64_encode_data_blob(to_server);
+ reply_base64 = base64_encode_data_blob(talloc_tos(), to_server);
x_fprintf(x_stdout, "KK %s *\n", reply_base64);
- SAFE_FREE(reply_base64);
+ TALLOC_FREE(reply_base64);
data_blob_free(&to_server);
DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
return True;
switch (spnego.negTokenTarg.negResult) {
case SPNEGO_ACCEPT_INCOMPLETE:
DEBUG(1, ("Got a Kerberos negTokenTarg with ACCEPT_INCOMPLETE\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Got a Kerberos negTokenTarg with "
+ "ACCEPT_INCOMPLETE\n");
break;
case SPNEGO_ACCEPT_COMPLETED:
DEBUG(10, ("Accept completed\n"));
#endif
-static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length)
+static void manage_gss_spnego_client_request(struct ntlm_auth_state *state,
+ char *buf, int length)
{
DATA_BLOB request;
SPNEGO_DATA spnego;
ssize_t len;
+ if (!opt_username || !*opt_username) {
+ x_fprintf(x_stderr, "username must be specified!\n\n");
+ exit(1);
+ }
+
if (strlen(buf) <= 3) {
DEBUG(1, ("SPNEGO query [%s] too short\n", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH SPNEGO query too short\n");
return;
}
if (opt_password == NULL) {
DEBUG(1, ("Out of memory\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Out of memory\n");
data_blob_free(&request);
return;
}
(strncmp(buf, "AF ", 3) != 0) &&
(strncmp(buf, "NA ", 3) != 0) ) {
DEBUG(1, ("SPNEGO request [%s] invalid\n", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH SPNEGO request invalid\n");
data_blob_free(&request);
return;
}
if (len == -1) {
DEBUG(1, ("Could not read SPNEGO data for [%s]\n", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Could not read SPNEGO data\n");
return;
}
}
DEBUG(1, ("Server offered no compatible mechanism\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Server offered no compatible mechanism\n");
return;
}
DEBUG(1, ("Got a negTokenTarg with no mech and an "
"unknown negResult: %d\n",
spnego.negTokenTarg.negResult));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Got a negTokenTarg with"
+ " no mech and an unknown "
+ "negResult\n");
}
ntlmssp_end(&client_ntlmssp_state);
}
DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Got an SPNEGO token I could not handle\n");
return;
out:
return;
}
-static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length)
+static void manage_ntlm_server_1_request(struct ntlm_auth_state *state,
+ char *buf, int length)
{
char *request, *parameter;
static DATA_BLOB challenge;
static char *username;
static char *domain;
static char *plaintext_password;
- static BOOL ntlm_server_1_user_session_key;
- static BOOL ntlm_server_1_lm_session_key;
+ static bool ntlm_server_1_user_session_key;
+ static bool ntlm_server_1_lm_session_key;
if (strequal(buf, ".")) {
if (!full_username && !username) {
x_fprintf(x_stdout, "Authenticated: No\n");
x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
- SAFE_FREE(error_string);
} else {
static char zeros[16];
char *hex_lm_key;
if (ntlm_server_1_lm_session_key
&& (memcmp(zeros, lm_key,
sizeof(lm_key)) != 0)) {
- hex_lm_key = hex_encode(NULL,
+ hex_lm_key = hex_encode_talloc(NULL,
(const unsigned char *)lm_key,
sizeof(lm_key));
x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
if (ntlm_server_1_user_session_key
&& (memcmp(zeros, user_session_key,
sizeof(user_session_key)) != 0)) {
- hex_user_session_key = hex_encode(NULL,
+ hex_user_session_key = hex_encode_talloc(NULL,
(const unsigned char *)user_session_key,
sizeof(user_session_key));
x_fprintf(x_stdout, "User-Session-Key: %s\n", hex_user_session_key);
TALLOC_FREE(hex_user_session_key);
}
}
+ SAFE_FREE(error_string);
}
/* clear out the state */
- challenge = data_blob(NULL, 0);
- nt_response = data_blob(NULL, 0);
- lm_response = data_blob(NULL, 0);
+ challenge = data_blob_null;
+ nt_response = data_blob_null;
+ lm_response = data_blob_null;
SAFE_FREE(full_username);
SAFE_FREE(username);
SAFE_FREE(domain);
x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
parameter,
(int)challenge.length);
- challenge = data_blob(NULL, 0);
+ challenge = data_blob_null;
}
} else if (strequal(request, "NT-Response")) {
nt_response = strhex_to_data_blob(NULL, parameter);
x_fprintf(x_stdout, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
parameter,
(int)nt_response.length);
- nt_response = data_blob(NULL, 0);
+ nt_response = data_blob_null;
}
} else if (strequal(request, "LANMAN-Response")) {
lm_response = strhex_to_data_blob(NULL, parameter);
x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
parameter,
(int)lm_response.length);
- lm_response = data_blob(NULL, 0);
+ lm_response = data_blob_null;
}
} else if (strequal(request, "Password")) {
plaintext_password = smb_xstrdup(parameter);
}
}
-static void manage_squid_request(enum stdio_helper_mode helper_mode, stdio_helper_function fn)
+static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
+ char *buf, int length)
{
- char buf[SQUID_BUFFER_SIZE+1];
- int length;
- char *c;
- static BOOL err;
+ char *request, *parameter;
+ static DATA_BLOB new_nt_pswd;
+ static DATA_BLOB old_nt_hash_enc;
+ static DATA_BLOB new_lm_pswd;
+ static DATA_BLOB old_lm_hash_enc;
+ static char *full_username = NULL;
+ static char *username = NULL;
+ static char *domain = NULL;
+ static char *newpswd = NULL;
+ static char *oldpswd = NULL;
+
+ if (strequal(buf, ".")) {
+ if(newpswd && oldpswd) {
+ uchar old_nt_hash[16];
+ uchar old_lm_hash[16];
+ uchar new_nt_hash[16];
+ uchar new_lm_hash[16];
+
+ new_nt_pswd = data_blob(NULL, 516);
+ old_nt_hash_enc = data_blob(NULL, 16);
+
+ /* Calculate the MD4 hash (NT compatible) of the
+ * password */
+ E_md4hash(oldpswd, old_nt_hash);
+ E_md4hash(newpswd, new_nt_hash);
+
+ /* E_deshash returns false for 'long'
+ passwords (> 14 DOS chars).
+
+ Therefore, don't send a buffer
+ encrypted with the truncated hash
+ (it could allow an even easier
+ attack on the password)
+
+ Likewise, obey the admin's restriction
+ */
+
+ if (lp_client_lanman_auth() &&
+ E_deshash(newpswd, new_lm_hash) &&
+ E_deshash(oldpswd, old_lm_hash)) {
+ new_lm_pswd = data_blob(NULL, 516);
+ old_lm_hash_enc = data_blob(NULL, 16);
+ encode_pw_buffer(new_lm_pswd.data, newpswd,
+ STR_UNICODE);
+
+ arcfour_crypt(new_lm_pswd.data, old_nt_hash, 516);
+ E_old_pw_hash(new_nt_hash, old_lm_hash,
+ old_lm_hash_enc.data);
+ } else {
+ new_lm_pswd.data = NULL;
+ new_lm_pswd.length = 0;
+ old_lm_hash_enc.data = NULL;
+ old_lm_hash_enc.length = 0;
+ }
- /* this is not a typo - x_fgets doesn't work too well under squid */
- if (fgets(buf, sizeof(buf)-1, stdin) == NULL) {
- if (ferror(stdin)) {
- DEBUG(1, ("fgets() failed! dying..... errno=%d (%s)\n", ferror(stdin),
- strerror(ferror(stdin))));
+ encode_pw_buffer(new_nt_pswd.data, newpswd,
+ STR_UNICODE);
+
+ arcfour_crypt(new_nt_pswd.data, old_nt_hash, 516);
+ E_old_pw_hash(new_nt_hash, old_nt_hash,
+ old_nt_hash_enc.data);
+ }
+
+ if (!full_username && !username) {
+ x_fprintf(x_stdout, "Error: No username supplied!\n");
+ } else if ((!new_nt_pswd.data || !old_nt_hash_enc.data) &&
+ (!new_lm_pswd.data || old_lm_hash_enc.data) ) {
+ x_fprintf(x_stdout, "Error: No NT or LM password "
+ "blobs supplied!\n");
+ } else {
+ char *error_string = NULL;
- exit(1); /* BIIG buffer */
+ if (full_username && !username) {
+ fstring fstr_user;
+ fstring fstr_domain;
+
+ if (!parse_ntlm_auth_domain_user(full_username,
+ fstr_user,
+ fstr_domain)) {
+ /* username might be 'tainted', don't
+ * print into our new-line
+ * deleimianted stream */
+ x_fprintf(x_stdout, "Error: Could not "
+ "parse into domain and "
+ "username\n");
+ SAFE_FREE(username);
+ username = smb_xstrdup(full_username);
+ } else {
+ SAFE_FREE(username);
+ SAFE_FREE(domain);
+ username = smb_xstrdup(fstr_user);
+ domain = smb_xstrdup(fstr_domain);
+ }
+
+ }
+
+ if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
+ username, domain,
+ new_nt_pswd,
+ old_nt_hash_enc,
+ new_lm_pswd,
+ old_lm_hash_enc,
+ &error_string))) {
+ x_fprintf(x_stdout, "Password-Change: No\n");
+ x_fprintf(x_stdout, "Password-Change-Error: "
+ "%s\n.\n", error_string);
+ } else {
+ x_fprintf(x_stdout, "Password-Change: Yes\n");
+ }
+
+ SAFE_FREE(error_string);
}
- exit(0);
+ /* clear out the state */
+ new_nt_pswd = data_blob_null;
+ old_nt_hash_enc = data_blob_null;
+ new_lm_pswd = data_blob_null;
+ old_nt_hash_enc = data_blob_null;
+ SAFE_FREE(full_username);
+ SAFE_FREE(username);
+ SAFE_FREE(domain);
+ SAFE_FREE(newpswd);
+ SAFE_FREE(oldpswd);
+ x_fprintf(x_stdout, ".\n");
+
+ return;
}
-
- c=memchr(buf,'\n',sizeof(buf)-1);
- if (c) {
- *c = '\0';
- length = c-buf;
+
+ request = buf;
+
+ /* Indicates a base64 encoded structure */
+ parameter = strstr_m(request, ":: ");
+ if (!parameter) {
+ parameter = strstr_m(request, ": ");
+
+ if (!parameter) {
+ DEBUG(0, ("Parameter not found!\n"));
+ x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
+ return;
+ }
+
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
} else {
- err = 1;
- return;
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+ parameter[0] ='\0';
+ parameter++;
+
+ base64_decode_inplace(parameter);
+ }
+
+ if (strequal(request, "new-nt-password-blob")) {
+ new_nt_pswd = strhex_to_data_blob(NULL, parameter);
+ if (new_nt_pswd.length != 516) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! "
+ "(got %d bytes, expected 516)\n.\n",
+ parameter,
+ (int)new_nt_pswd.length);
+ new_nt_pswd = data_blob_null;
+ }
+ } else if (strequal(request, "old-nt-hash-blob")) {
+ old_nt_hash_enc = strhex_to_data_blob(NULL, parameter);
+ if (old_nt_hash_enc.length != 16) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! "
+ "(got %d bytes, expected 16)\n.\n",
+ parameter,
+ (int)old_nt_hash_enc.length);
+ old_nt_hash_enc = data_blob_null;
+ }
+ } else if (strequal(request, "new-lm-password-blob")) {
+ new_lm_pswd = strhex_to_data_blob(NULL, parameter);
+ if (new_lm_pswd.length != 516) {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! "
+ "(got %d bytes, expected 516)\n.\n",
+ parameter,
+ (int)new_lm_pswd.length);
+ new_lm_pswd = data_blob_null;
+ }
}
- if (err) {
- DEBUG(2, ("Oversized message\n"));
+ else if (strequal(request, "old-lm-hash-blob")) {
+ old_lm_hash_enc = strhex_to_data_blob(NULL, parameter);
+ if (old_lm_hash_enc.length != 16)
+ {
+ x_fprintf(x_stdout, "Error: hex decode of %s failed! "
+ "(got %d bytes, expected 16)\n.\n",
+ parameter,
+ (int)old_lm_hash_enc.length);
+ old_lm_hash_enc = data_blob_null;
+ }
+ } else if (strequal(request, "nt-domain")) {
+ domain = smb_xstrdup(parameter);
+ } else if(strequal(request, "username")) {
+ username = smb_xstrdup(parameter);
+ } else if(strequal(request, "full-username")) {
+ username = smb_xstrdup(parameter);
+ } else if(strequal(request, "new-password")) {
+ newpswd = smb_xstrdup(parameter);
+ } else if (strequal(request, "old-password")) {
+ oldpswd = smb_xstrdup(parameter);
+ } else {
+ x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
+ }
+}
+
+static void manage_squid_request(struct ntlm_auth_state *state,
+ stdio_helper_function fn)
+{
+ char *buf;
+ char tmp[INITIAL_BUFFER_SIZE+1];
+ int length, buf_size = 0;
+ char *c;
+
+ buf = talloc_strdup(state->mem_ctx, "");
+ if (!buf) {
+ DEBUG(0, ("Failed to allocate input buffer.\n"));
x_fprintf(x_stderr, "ERR\n");
- err = 0;
- return;
+ exit(1);
}
+ do {
+
+ /* this is not a typo - x_fgets doesn't work too well under
+ * squid */
+ if (fgets(tmp, sizeof(tmp)-1, stdin) == NULL) {
+ if (ferror(stdin)) {
+ DEBUG(1, ("fgets() failed! dying..... errno=%d "
+ "(%s)\n", ferror(stdin),
+ strerror(ferror(stdin))));
+
+ exit(1);
+ }
+ exit(0);
+ }
+
+ buf = talloc_strdup_append_buffer(buf, tmp);
+ buf_size += INITIAL_BUFFER_SIZE;
+
+ if (buf_size > MAX_BUFFER_SIZE) {
+ DEBUG(2, ("Oversized message\n"));
+ x_fprintf(x_stderr, "ERR\n");
+ talloc_free(buf);
+ return;
+ }
+
+ c = strchr(buf, '\n');
+ } while (c == NULL);
+
+ *c = '\0';
+ length = c-buf;
+
DEBUG(10, ("Got '%s' from squid (length: %d).\n",buf,length));
if (buf[0] == '\0') {
DEBUG(2, ("Invalid Request\n"));
x_fprintf(x_stderr, "ERR\n");
+ talloc_free(buf);
return;
}
-
- fn(helper_mode, buf, length);
+
+ fn(state, buf, length);
+ talloc_free(buf);
}
static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
+ TALLOC_CTX *mem_ctx;
+ struct ntlm_auth_state *state;
+
/* initialize FDescs */
x_setbuf(x_stdout, NULL);
x_setbuf(x_stderr, NULL);
+
+ mem_ctx = talloc_init("ntlm_auth");
+ if (!mem_ctx) {
+ DEBUG(0, ("squid_stream: Failed to create talloc context\n"));
+ x_fprintf(x_stderr, "ERR\n");
+ exit(1);
+ }
+
+ state = talloc_zero(mem_ctx, struct ntlm_auth_state);
+ if (!state) {
+ DEBUG(0, ("squid_stream: Failed to talloc ntlm_auth_state\n"));
+ x_fprintf(x_stderr, "ERR\n");
+ exit(1);
+ }
+
+ state->mem_ctx = mem_ctx;
+ state->helper_mode = stdio_mode;
+
while(1) {
- manage_squid_request(stdio_mode, fn);
+ manage_squid_request(state, fn);
}
}
/* Authenticate a user with a challenge/response */
-static BOOL check_auth_crap(void)
+static bool check_auth_crap(void)
{
NTSTATUS nt_status;
uint32 flags = 0;
if (request_lm_key
&& (memcmp(zeros, lm_key,
sizeof(lm_key)) != 0)) {
- hex_lm_key = hex_encode(NULL, (const unsigned char *)lm_key,
+ hex_lm_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)lm_key,
sizeof(lm_key));
x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
TALLOC_FREE(hex_lm_key);
if (request_user_session_key
&& (memcmp(zeros, user_session_key,
sizeof(user_session_key)) != 0)) {
- hex_user_session_key = hex_encode(NULL, (const unsigned char *)user_session_key,
+ hex_user_session_key = hex_encode_talloc(talloc_tos(), (const unsigned char *)user_session_key,
sizeof(user_session_key));
x_fprintf(x_stdout, "NT_KEY: %s\n", hex_user_session_key);
TALLOC_FREE(hex_user_session_key);
OPT_LM_KEY,
OPT_USER_SESSION_KEY,
OPT_DIAGNOSTICS,
- OPT_REQUIRE_MEMBERSHIP
+ OPT_REQUIRE_MEMBERSHIP,
+ OPT_USE_CACHED_CREDS
};
int main(int argc, const char **argv)
{
+ TALLOC_CTX *frame = talloc_stackframe();
int opt;
static const char *helper_protocol;
static int diagnostics;
{ "password", 0, POPT_ARG_STRING, &opt_password, OPT_PASSWORD, "User's plaintext password"},
{ "request-lm-key", 0, POPT_ARG_NONE, &request_lm_key, OPT_LM_KEY, "Retrieve LM session key"},
{ "request-nt-key", 0, POPT_ARG_NONE, &request_user_session_key, OPT_USER_SESSION_KEY, "Retrieve User (NT) session key"},
+ { "use-cached-creds", 0, POPT_ARG_NONE, &use_cached_creds, OPT_USE_CACHED_CREDS, "Use cached credentials if no password is given"},
{ "diagnostics", 0, POPT_ARG_NONE, &diagnostics, OPT_DIAGNOSTICS, "Perform diagnostics on the authentictaion chain"},
{ "require-membership-of", 0, POPT_ARG_STRING, &require_membership_of, OPT_REQUIRE_MEMBERSHIP, "Require that a user be a member of this group (either name or SID) for authentication to succeed" },
- POPT_COMMON_SAMBA
+ POPT_COMMON_CONFIGFILE
+ POPT_COMMON_VERSION
POPT_TABLEEND
};
load_case_tables();
dbf = x_stderr;
-
- /* Samba client initialisation */
-
- if (!lp_load(dyn_CONFIGFILE, True, False, False, True)) {
- d_fprintf(stderr, "ntlm_auth: error opening config file %s. Error was %s\n",
- dyn_CONFIGFILE, strerror(errno));
- exit(1);
- }
/* Parse options */
return 1;
}
+ while((opt = poptGetNextOpt(pc)) != -1) {
+ /* Get generic config options like --configfile */
+ }
+
+ poptFreeContext(pc);
+
+ if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, True)) {
+ d_fprintf(stderr, "ntlm_auth: error opening config file %s. Error was %s\n",
+ get_dyn_CONFIGFILE(), strerror(errno));
+ exit(1);
+ }
+
pc = poptGetContext(NULL, argc, (const char **)argv, long_options,
POPT_CONTEXT_KEEP_FIRST);
}
}
+ if (opt_username) {
+ char *domain = SMB_STRDUP(opt_username);
+ char *p = strchr_m(domain, *lp_winbind_separator());
+ if (p) {
+ opt_username = p+1;
+ *p = '\0';
+ if (opt_domain && !strequal(opt_domain, domain)) {
+ x_fprintf(x_stderr, "Domain specified in username (%s) "
+ "doesn't match specified domain (%s)!\n\n",
+ domain, opt_domain);
+ poptPrintHelp(pc, stderr, 0);
+ exit(1);
+ }
+ opt_domain = domain;
+ } else {
+ SAFE_FREE(domain);
+ }
+ }
+
+ /* Note: if opt_domain is "" then send no domain */
+ if (opt_domain == NULL) {
+ opt_domain = get_winbind_domain();
+ }
+
+ if (opt_workstation == NULL) {
+ opt_workstation = "";
+ }
+
if (helper_protocol) {
int i;
for (i=0; i<NUM_HELPER_MODES; i++) {
exit(1);
}
- if (!opt_username) {
+ if (!opt_username || !*opt_username) {
x_fprintf(x_stderr, "username must be specified!\n\n");
poptPrintHelp(pc, stderr, 0);
exit(1);
}
- if (opt_domain == NULL) {
- opt_domain = get_winbind_domain();
- }
-
- if (opt_workstation == NULL) {
- opt_workstation = "";
- }
-
if (opt_challenge.length) {
if (!check_auth_crap()) {
exit(1);
/* Exit code */
poptFreeContext(pc);
+ TALLOC_FREE(frame);
return 0;
}