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,
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);
}
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");
}
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,
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};
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 */
- 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);