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) Robert O'Callahan 2006 (added cached credential code).
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,
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"
GSS_SPNEGO,
GSS_SPNEGO_CLIENT,
NTLM_SERVER_1,
+ NTLM_CHANGE_PASSWORD_1,
NUM_HELPER_MODES
};
static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode,
char *buf, int length);
+static void manage_ntlm_change_password_1_request(enum stdio_helper_mode helper_mode, char *buf, int length);
+
static const struct {
enum stdio_helper_mode mode;
const char *name;
{ 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}
};
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;
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);
+ pstrcpy(request.data.auth.require_membership_of_sid, require_membership_of_sid);
result = winbindd_request_response(WINBINDD_PAM_AUTH, &request, &response);
request.flags = flags;
+ request.data.auth_crap.logon_parameters = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT | MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
+
if (require_membership_of_sid)
fstrcpy(request.data.auth_crap.require_membership_of_sid, require_membership_of_sid);
}
if (flags & WBFLAG_PAM_UNIX_NAME) {
- *unix_name = SMB_STRDUP((char *)response.extra_data);
+ *unix_name = SMB_STRDUP((char *)response.extra_data.data);
if (!*unix_name) {
free_response(&response);
return NT_STATUS_NO_MEMORY;
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!");
+ 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);
+ free_response(&response);
+ return nt_status;
+ }
+
+ 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;
uint8 lm_key[8];
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;
}
NTSTATUS status = ntlmssp_server_start(ntlmssp_state);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not start NTLMSSP client: %s\n",
+ DEBUG(1, ("Could not start NTLMSSP server: %s\n",
nt_errstr(status)));
return status;
}
return NT_STATUS_OK;
}
+/*******************************************************************
+ 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) {
+ 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) {
+ free_response(&wb_response);
+ return NT_STATUS_NO_MEMORY;
+ }
+ }
+
+ free_response(&wb_response);
+ return NT_STATUS_MORE_PROCESSING_REQUIRED;
+}
+
static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
char *buf, int length)
{
static NTLMSSP_STATE *ntlmssp_state = NULL;
+ static char* want_feature_list = NULL;
+ static uint32 neg_flags = 0;
+ static BOOL have_session_key = False;
+ static DATA_BLOB session_key;
DATA_BLOB request, reply;
NTSTATUS nt_status;
}
if (strlen(buf) > 3) {
+ if(strncmp(buf, "SF ", 3) == 0){
+ DEBUG(10, ("Setting flags to negotioate\n"));
+ SAFE_FREE(want_feature_list);
+ want_feature_list = SMB_STRNDUP(buf+3, strlen(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)) {
ntlmssp_end(&ntlmssp_state);
} else if (strncmp(buf, "KK", 2) == 0) {
+ } else if (strncmp(buf, "GF", 2) == 0) {
+ DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
+ x_fprintf(x_stdout, "GF 0x%08lx\n", have_session_key?neg_flags:0l);
+ data_blob_free(&request);
+ return;
+ } else if (strncmp(buf, "GK", 2) == 0) {
+ DEBUG(10, ("Requested NTLMSSP session key\n"));
+ if(have_session_key) {
+ char *key64 = base64_encode_data_blob(session_key);
+ x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
+ SAFE_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 %s\n", nt_errstr(nt_status));
return;
}
+ ntlmssp_want_feature_list(ntlmssp_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(ntlmssp_state, request, &reply);
} else {
x_fprintf(x_stdout, "AF %s\n", (char *)ntlmssp_state->auth_context);
DEBUG(10, ("NTLMSSP OK!\n"));
+
+ if(have_session_key)
+ data_blob_free(&session_key);
+ session_key = data_blob(ntlmssp_state->session_key.data,
+ ntlmssp_state->session_key.length);
+ neg_flags = ntlmssp_state->neg_flags;
+ have_session_key = True;
}
data_blob_free(&request);
static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
char *buf, int length)
{
+ /* The statics here are *HORRIBLE* and this entire concept
+ needs to be rewritten. Essentially it's using these statics
+ as the state in a state machine. BLEEEGH ! JRA. */
+
static NTLMSSP_STATE *ntlmssp_state = NULL;
+ static DATA_BLOB initial_message;
+ static char* want_feature_list = NULL;
+ static uint32 neg_flags = 0;
+ static BOOL have_session_key = False;
+ static DATA_BLOB session_key;
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");
}
if (strlen(buf) > 3) {
+ if(strncmp(buf, "SF ", 3) == 0) {
+ DEBUG(10, ("Looking for flags to negotiate\n"));
+ SAFE_FREE(want_feature_list);
+ want_feature_list = SMB_STRNDUP(buf+3, strlen(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) {
return;
}
- if (opt_password == NULL) {
+ if (!ntlmssp_state && use_cached_creds) {
+ /* check whether 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. */
ntlmssp_end(&ntlmssp_state);
} else if (strncmp(buf, "TT", 2) == 0) {
+ } else if (strncmp(buf, "GF", 2) == 0) {
+ DEBUG(10, ("Requested negotiated NTLMSSP flags\n"));
+ x_fprintf(x_stdout, "GF 0x%08lx\n", have_session_key?neg_flags:0l);
+ data_blob_free(&request);
+ return;
+ } else if (strncmp(buf, "GK", 2) == 0 ) {
+ DEBUG(10, ("Requested session key\n"));
+
+ if(have_session_key) {
+ char *key64 = base64_encode_data_blob(session_key);
+ x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
+ SAFE_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 %s\n", nt_errstr(nt_status));
return;
}
+ ntlmssp_want_feature_list(ntlmssp_state, want_feature_list);
first = True;
+ 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);
- nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
+ if (use_cached_creds && !opt_password && !first) {
+ nt_status = do_ccache_ntlm_auth(initial_message, request, &reply);
+ } else {
+ 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);
x_fprintf(x_stdout, "KK %s\n", reply_base64);
}
SAFE_FREE(reply_base64);
- data_blob_free(&reply);
+ if (first) {
+ initial_message = reply;
+ } else {
+ data_blob_free(&reply);
+ }
DEBUG(10, ("NTLMSSP challenge\n"));
} else if (NT_STATUS_IS_OK(nt_status)) {
char *reply_base64 = base64_encode_data_blob(reply);
x_fprintf(x_stdout, "AF %s\n", reply_base64);
+ SAFE_FREE(reply_base64);
+
+ if(have_session_key)
+ data_blob_free(&session_key);
+
+ session_key = data_blob(ntlmssp_state->session_key.data,
+ ntlmssp_state->session_key.length);
+ neg_flags = ntlmssp_state->neg_flags;
+ have_session_key = True;
+
DEBUG(10, ("NTLMSSP OK!\n"));
if (ntlmssp_state)
ntlmssp_end(&ntlmssp_state);
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");
/* Server negTokenInit (mech offerings) */
spnego.type = SPNEGO_NEG_TOKEN_INIT;
- spnego.negTokenInit.mechTypes = SMB_XMALLOC_ARRAY(char *, 2);
+ spnego.negTokenInit.mechTypes = SMB_XMALLOC_ARRAY(const char *, 2);
#ifdef HAVE_KRB5
spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_KERBEROS5_OLD);
spnego.negTokenInit.mechTypes[1] = smb_xstrdup(OID_NTLMSSP);
DATA_BLOB token;
NTSTATUS status;
ssize_t len;
- TALLOC_CTX *mem_ctx = talloc_init("manage_gss_spnego_request");
char *user = NULL;
char *domain = NULL;
}
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,
#ifdef HAVE_KRB5
if (strcmp(request.negTokenInit.mechTypes[0], OID_KERBEROS5_OLD) == 0) {
+ TALLOC_CTX *mem_ctx = talloc_init("manage_gss_spnego_request");
char *principal;
DATA_BLOB ap_rep;
DATA_BLOB session_key;
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(),
+ status = ads_verify_ticket(mem_ctx, lp_realm(), 0,
&request.negTokenInit.mechToken,
&principal, NULL, &ap_rep,
- &session_key);
+ &session_key, True);
talloc_destroy(mem_ctx);
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);
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};
}
spnego.type = SPNEGO_NEG_TOKEN_INIT;
- spnego.negTokenInit.mechTypes = CONST_DISCARD(char **,my_mechs);
+ spnego.negTokenInit.mechTypes = my_mechs;
spnego.negTokenInit.reqFlags = 0;
spnego.negTokenInit.mechListMIC = null_blob;
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);
return;
}
{
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;
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);
+ retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
if (retval) {
pstr_sprintf(user, "%s@%s", opt_username, opt_domain);
- if ((retval = kerberos_kinit_password(user, opt_password,
- 0, NULL, NULL))) {
+ 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);
+ 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);
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");
(const unsigned char *)lm_key,
sizeof(lm_key));
x_fprintf(x_stdout, "LANMAN-Session-Key: %s\n", hex_lm_key);
- talloc_free(hex_lm_key);
+ TALLOC_FREE(hex_lm_key);
}
if (ntlm_server_1_user_session_key
(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);
+ TALLOC_FREE(hex_user_session_key);
}
}
}
/* 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_ntlm_change_password_1_request(enum stdio_helper_mode helper_mode, char *buf, int length)
+{
+ 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);
+
+ SamOEMhash(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;
+ }
+
+ encode_pw_buffer(new_nt_pswd.data, newpswd,
+ STR_UNICODE);
+
+ SamOEMhash(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;
+
+ 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);
+ }
+ /* 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;
+ }
+
+ 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 {
+ 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;
+ }
+ }
+ 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(enum stdio_helper_mode helper_mode, stdio_helper_function fn)
{
char buf[SQUID_BUFFER_SIZE+1];
exit(0);
}
- c=memchr(buf,'\n',sizeof(buf)-1);
+ c=(char *)memchr(buf,'\n',sizeof(buf)-1);
if (c) {
*c = '\0';
length = c-buf;
hex_lm_key = hex_encode(NULL, (const unsigned char *)lm_key,
sizeof(lm_key));
x_fprintf(x_stdout, "LM_KEY: %s\n", hex_lm_key);
- talloc_free(hex_lm_key);
+ TALLOC_FREE(hex_lm_key);
}
if (request_user_session_key
&& (memcmp(zeros, user_session_key,
hex_user_session_key = hex_encode(NULL, (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);
+ TALLOC_FREE(hex_user_session_key);
}
return True;
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)
{ "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
};
/* Samba client initialisation */
+ load_case_tables();
dbf = x_stderr;
/* Samba client initialisation */
- if (!lp_load(dyn_CONFIGFILE, True, False, False)) {
+ 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);
}
}
+ 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);