-/*
+/*
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 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "popt_common.h"
#include "utils/ntlm_auth.h"
+#include "../libcli/auth/libcli_auth.h"
+#include "../libcli/auth/spnego.h"
+#include "../libcli/auth/ntlmssp.h"
+#include "smb_krb5.h"
+#include <iniparser.h>
+#include "../lib/crypto/arcfour.h"
+#include "libads/kerberos_proto.h"
+#include "nsswitch/winbind_client.h"
+#include "librpc/gen_ndr/krb5pac.h"
+#include "../lib/util/asn1.h"
+
+#ifndef PAM_WINBIND_CONFIG_FILE
+#define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
+#endif
+
+#define WINBIND_KRB5_AUTH 0x00000080
#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,
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
+};
+
+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;
+ char *spnego_mech;
+ char *spnego_mech_oid;
+ 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 (enum stdio_helper_mode stdio_helper_mode,
+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(enum stdio_helper_mode helper_mode, 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;
{ NUM_HELPER_MODES, NULL, NULL}
};
-extern int winbindd_fd;
-
const char *opt_username;
const char *opt_domain;
const char *opt_workstation;
static const char *require_membership_of;
static const char *require_membership_of_sid;
+static const char *opt_pam_winbind_conf;
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;
}
if (winbindd_request_response(WINBINDD_NETBIOS_NAME, NULL, &response) !=
NSS_STATUS_SUCCESS) {
DEBUG(0, ("could not obtain winbind netbios name!\n"));
- return global_myname();
+ return lp_netbios_name();
}
fstrcpy(winbind_netbios_name, response.data.netbios_name);
static DATA_BLOB chal;
if (opt_challenge.length)
return opt_challenge;
-
+
chal = data_blob(NULL, 8);
generate_random_buffer(chal.data, chal.length);
/* 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)
{
if (!p) {
return False;
}
-
+
fstrcpy(user, p+1);
fstrcpy(domain, domuser);
domain[PTR_DIFF(p, domuser)] = 0;
return True;
}
-static BOOL get_require_membership_sid(void) {
+static bool get_require_membership_sid(void) {
struct winbindd_request request;
struct winbindd_response response;
return False;
}
+
+/*
+ * Get some configuration from pam_winbind.conf to see if we
+ * need to contact trusted domain
+ */
+
+int get_pam_winbind_config()
+{
+ int ctrl = 0;
+ dictionary *d = NULL;
+
+ if (!opt_pam_winbind_conf || !*opt_pam_winbind_conf) {
+ opt_pam_winbind_conf = PAM_WINBIND_CONFIG_FILE;
+ }
+
+ d = iniparser_load(discard_const_p(char, opt_pam_winbind_conf));
+
+ if (!d) {
+ return 0;
+ }
+
+ if (iniparser_getboolean(d, discard_const_p(char, "global:krb5_auth"), false)) {
+ ctrl |= WINBIND_KRB5_AUTH;
+ }
+
+ iniparser_freedict(d);
+
+ return ctrl;
+}
+
/* 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)
- pstrcpy(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 */
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)
}
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) {
winbindd_free_response(&response);
return NT_STATUS_NO_MEMORY;
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 */
winbindd_free_response(&response);
return nt_status;
}
-
+
nt_status = (NT_STATUS(response.data.auth.nt_status));
if (!NT_STATUS_IS_OK(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 NTSTATUS winbind_pw_check(struct ntlmssp_state *ntlmssp_state, TALLOC_CTX *mem_ctx,
+ DATA_BLOB *user_session_key, DATA_BLOB *lm_session_key)
{
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,
+ ntlmssp_state->client.netbios_name,
&ntlmssp_state->chal,
&ntlmssp_state->lm_resp,
&ntlmssp_state->nt_resp,
if (NT_STATUS_IS_OK(nt_status)) {
if (memcmp(lm_key, zeros, 8) != 0) {
- *lm_session_key = data_blob(NULL, 16);
+ *lm_session_key = data_blob_talloc(mem_ctx, NULL, 16);
memcpy(lm_session_key->data, lm_key, 8);
memset(lm_session_key->data+8, '\0', 8);
}
-
+
if (memcmp(user_sess_key, zeros, 16) != 0) {
- *user_session_key = data_blob(user_sess_key, 16);
+ *user_session_key = data_blob_talloc(mem_ctx, user_sess_key, 16);
}
- ntlmssp_state->auth_context = talloc_strdup(ntlmssp_state->mem_ctx, unix_name);
- SAFE_FREE(unix_name);
+ ntlmssp_state->callback_private = 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",
ntlmssp_state->domain, ntlmssp_state->user,
- ntlmssp_state->workstation,
+ ntlmssp_state->client.netbios_name,
error_string ? error_string : "unknown error (NULL)"));
- ntlmssp_state->auth_context = NULL;
+ ntlmssp_state->callback_private = 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)
+static NTSTATUS local_pw_check(struct ntlmssp_state *ntlmssp_state, TALLOC_CTX *mem_ctx,
+ 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.hash, lm_pw.hash);
- nt_lm_owf_gen (opt_password, nt_pw, lm_pw);
-
- nt_status = ntlm_password_check(ntlmssp_state->mem_ctx,
+ nt_status = ntlm_password_check(mem_ctx,
+ 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->callback_private = talloc_asprintf(ntlmssp_state,
"%s%c%s", ntlmssp_state->domain,
*lp_winbind_separator(),
ntlmssp_state->user);
} else {
DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
- ntlmssp_state->domain, ntlmssp_state->user, ntlmssp_state->workstation,
+ ntlmssp_state->domain, ntlmssp_state->user,
+ ntlmssp_state->client.netbios_name,
nt_errstr(nt_status)));
- ntlmssp_state->auth_context = NULL;
+ ntlmssp_state->callback_private = NULL;
}
return nt_status;
}
-static NTSTATUS ntlm_auth_start_ntlmssp_client(NTLMSSP_STATE **client_ntlmssp_state)
+static NTSTATUS ntlm_auth_start_ntlmssp_client(struct ntlmssp_state **client_ntlmssp_state)
{
NTSTATUS status;
if ( (opt_username == NULL) || (opt_domain == NULL) ) {
return NT_STATUS_INVALID_PARAMETER;
}
- status = ntlmssp_client_start(client_ntlmssp_state);
+ status = ntlmssp_client_start(NULL,
+ lp_netbios_name(),
+ lp_workgroup(),
+ lp_client_ntlmv2_auth(),
+ client_ntlmssp_state);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Could not start NTLMSSP client: %s\n",
nt_errstr(status)));
- ntlmssp_end(client_ntlmssp_state);
+ TALLOC_FREE(*client_ntlmssp_state);
return status;
}
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Could not set username: %s\n",
nt_errstr(status)));
- ntlmssp_end(client_ntlmssp_state);
+ TALLOC_FREE(*client_ntlmssp_state);
return status;
}
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Could not set domain: %s\n",
nt_errstr(status)));
- ntlmssp_end(client_ntlmssp_state);
+ TALLOC_FREE(*client_ntlmssp_state);
return status;
}
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);
+ TALLOC_FREE(*client_ntlmssp_state);
return status;
}
}
return NT_STATUS_OK;
}
-static NTSTATUS ntlm_auth_start_ntlmssp_server(NTLMSSP_STATE **ntlmssp_state)
+static NTSTATUS ntlm_auth_start_ntlmssp_server(struct ntlmssp_state **ntlmssp_state)
{
- NTSTATUS status = ntlmssp_server_start(ntlmssp_state);
-
+ NTSTATUS status;
+ const char *netbios_name;
+ const char *netbios_domain;
+ const char *dns_name;
+ char *dns_domain;
+ bool is_standalone = false;
+
+ if (opt_password) {
+ netbios_name = lp_netbios_name();
+ netbios_domain = lp_workgroup();
+ } else {
+ netbios_name = get_winbind_netbios_name();
+ netbios_domain = get_winbind_domain();
+ }
+ /* This should be a 'netbios domain -> DNS domain' mapping */
+ dns_domain = get_mydnsdomname(talloc_tos());
+ if (dns_domain) {
+ strlower_m(dns_domain);
+ }
+ dns_name = get_mydnsfullname();
+
+ status = ntlmssp_server_start(NULL,
+ is_standalone,
+ netbios_name,
+ netbios_domain,
+ dns_name,
+ dns_domain,
+ ntlmssp_state);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("Could not start NTLMSSP server: %s\n",
nt_errstr(status)));
/* Have we been given a local password, or should we ask winbind? */
if (opt_password) {
(*ntlmssp_state)->check_password = local_pw_check;
- (*ntlmssp_state)->get_domain = lp_workgroup;
- (*ntlmssp_state)->get_global_myname = global_myname;
} else {
(*ntlmssp_state)->check_password = winbind_pw_check;
- (*ntlmssp_state)->get_domain = get_winbind_domain;
- (*ntlmssp_state)->get_global_myname = get_winbind_netbios_name;
}
return NT_STATUS_OK;
}
{
struct winbindd_request wb_request;
struct winbindd_response wb_response;
+ int ctrl = 0;
NSS_STATUS result;
/* get winbindd to do the ntlmssp step on our behalf */
ZERO_STRUCT(wb_request);
ZERO_STRUCT(wb_response);
+ /*
+ * This is tricky here. If we set krb5_auth in pam_winbind.conf
+ * creds for users in trusted domain will be stored the winbindd
+ * child of the trusted domain. If we ask the primary domain for
+ * ntlm_ccache_auth, it will fail. So, we have to ask the trusted
+ * domain's child for ccache_ntlm_auth. that is to say, we have to
+ * set WBFLAG_PAM_CONTACT_TRUSTDOM in request.flags.
+ */
+ ctrl = get_pam_winbind_config();
+
+ if (ctrl & WINBIND_KRB5_AUTH) {
+ wb_request.flags |= WBFLAG_PAM_CONTACT_TRUSTDOM;
+ }
+
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();
return NT_STATUS_MORE_PROCESSING_REQUIRED;
}
-static void manage_squid_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
- char *buf, int length)
+static void manage_squid_ntlmssp_request_int(struct ntlm_auth_state *state,
+ char *buf, int length,
+ TALLOC_CTX *mem_ctx,
+ char **response)
{
- 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) < 2) {
- DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ DEBUG(1, ("NTLMSSP query [%s] invalid\n", buf));
+ *response = talloc_strdup(mem_ctx, "BH NTLMSSP query invalid");
return;
}
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");
+ TALLOC_FREE(state->want_feature_list);
+ state->want_feature_list = talloc_strdup(state->mem_ctx,
+ buf+3);
+ *response = talloc_strdup(mem_ctx, "OK");
return;
}
request = base64_decode_data_blob(buf + 3);
}
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");
+ *response = talloc_strdup(mem_ctx, "BH Out of memory");
data_blob_free(&request);
return;
}
- x_fprintf(x_stdout, "OK\n");
+ *response = talloc_strdup(mem_ctx, "OK");
data_blob_free(&request);
return;
}
if (strncmp(buf, "YR", 2) == 0) {
- if (ntlmssp_state)
- ntlmssp_end(&ntlmssp_state);
+ TALLOC_FREE(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"));
- x_fprintf(x_stdout, "GF 0x%08lx\n", have_session_key?neg_flags:0l);
+
+ if (state->svr_state == SERVER_FINISHED) {
+ *response = talloc_asprintf(mem_ctx, "GF 0x%08x",
+ state->neg_flags);
+ }
+ else {
+ *response = talloc_strdup(mem_ctx, "BH\n");
+ }
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);
+ if(state->have_session_key) {
+ char *key64 = base64_encode_data_blob(state->mem_ctx,
+ state->session_key);
+ *response = talloc_asprintf(mem_ctx, "GK %s",
+ key64 ? key64 : "<NULL>");
+ TALLOC_FREE(key64);
} else {
- x_fprintf(x_stdout, "BH\n");
+ *response = talloc_strdup(mem_ctx, "BH");
}
-
+
data_blob_free(&request);
return;
} else {
- DEBUG(1, ("NTLMSSP query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ DEBUG(1, ("NTLMSSP query [%s] invalid\n", buf));
+ *response = talloc_strdup(mem_ctx, "BH NTLMSSP query invalid");
return;
}
- if (!ntlmssp_state) {
- if (!NT_STATUS_IS_OK(nt_status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
- x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
+ if (!state->ntlmssp_state) {
+ nt_status = ntlm_auth_start_ntlmssp_server(
+ &state->ntlmssp_state);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ *response = talloc_asprintf(
+ mem_ctx, "BH %s", nt_errstr(nt_status));
return;
}
- ntlmssp_want_feature_list(ntlmssp_state, want_feature_list);
+ ntlmssp_want_feature_list(state->ntlmssp_state,
+ state->want_feature_list);
}
DEBUG(10, ("got NTLMSSP packet:\n"));
dump_data(10, request.data, request.length);
- nt_status = ntlmssp_update(ntlmssp_state, request, &reply);
-
+ nt_status = ntlmssp_update(state->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, "TT %s\n", reply_base64);
- SAFE_FREE(reply_base64);
+ char *reply_base64 = base64_encode_data_blob(state->mem_ctx,
+ reply);
+ *response = talloc_asprintf(mem_ctx, "TT %s", 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));
+ *response = talloc_asprintf(mem_ctx, "BH %s",
+ nt_errstr(nt_status));
DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
- ntlmssp_end(&ntlmssp_state);
+ TALLOC_FREE(state->ntlmssp_state);
} else if (!NT_STATUS_IS_OK(nt_status)) {
- x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
+ *response = talloc_asprintf(mem_ctx, "NA %s",
+ 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);
+ *response = talloc_asprintf(
+ mem_ctx, "AF %s",
+ (char *)state->ntlmssp_state->callback_private);
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;
+
+ 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_squid_ntlmssp_request(struct ntlm_auth_state *state,
+ char *buf, int length)
+{
+ char *response;
+
+ manage_squid_ntlmssp_request_int(state, buf, length,
+ talloc_tos(), &response);
+
+ if (response == NULL) {
+ x_fprintf(x_stdout, "BH Out of memory\n");
+ return;
+ }
+ x_fprintf(x_stdout, "%s\n", response);
+ TALLOC_FREE(response);
+}
+
+static void manage_client_ntlmssp_request(struct ntlm_auth_state *state,
+ 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");
+ DEBUG(1, ("NTLMSSP query [%s] invalid\n", buf));
+ 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"));
- SAFE_FREE(want_feature_list);
- want_feature_list = SMB_STRNDUP(buf+3, strlen(buf)-3);
+ talloc_free(state->want_feature_list);
+ state->want_feature_list = talloc_strdup(state->mem_ctx,
+ buf+3);
x_fprintf(x_stdout, "OK\n");
return;
}
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 (!ntlmssp_state && use_cached_creds) {
- /* check whether credentials are usable. */
+ 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 (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);
+ TALLOC_FREE(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"));
- x_fprintf(x_stdout, "GF 0x%08lx\n", have_session_key?neg_flags:0l);
+
+ 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(have_session_key) {
- char *key64 = base64_encode_data_blob(session_key);
+ 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>");
- SAFE_FREE(key64);
+ 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");
+ DEBUG(1, ("NTLMSSP query [%s] invalid\n", buf));
+ 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;
}
- ntlmssp_want_feature_list(ntlmssp_state, want_feature_list);
- first = True;
- initial_message = data_blob_null;
+ 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, request.data, request.length);
- if (use_cached_creds && !opt_password && !first) {
- nt_status = do_ccache_ntlm_auth(initial_message, request, &reply);
+ 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(ntlmssp_state, request, &reply);
+ nt_status = ntlmssp_update(state->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 {
- x_fprintf(x_stdout, "KK %s\n", reply_base64);
- }
- SAFE_FREE(reply_base64);
- if (first) {
- initial_message = reply;
+ state->initial_message = reply;
+ state->cli_state = CLIENT_RESPONSE;
} else {
+ x_fprintf(x_stdout, "KK %s\n", 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(have_session_key)
- data_blob_free(&session_key);
+ if(state->have_session_key)
+ data_blob_free(&state->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;
+ 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;
+ TALLOC_FREE(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;
+ TALLOC_FREE(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=(char *)memchr(buf,' ',length);
if (!pass) {
DEBUG(2, ("Password not found. Denying access\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);
}
-
+
if (check_plaintext_auth(user, pass, False)) {
x_fprintf(x_stdout, "OK\n");
} else {
static void offer_gss_spnego_mechs(void) {
DATA_BLOB token;
- SPNEGO_DATA spnego;
+ struct 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, lp_netbios_name());
+ 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;
- spnego.negTokenInit.mechTypes = SMB_XMALLOC_ARRAY(const char *, 2);
+ spnego.negTokenInit.mechTypes = talloc_array(ctx, const char *, 4);
#ifdef HAVE_KRB5
- spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_KERBEROS5_OLD);
- spnego.negTokenInit.mechTypes[1] = smb_xstrdup(OID_NTLMSSP);
- spnego.negTokenInit.mechTypes[2] = NULL;
+ spnego.negTokenInit.mechTypes[0] = talloc_strdup(ctx, OID_KERBEROS5_OLD);
+ spnego.negTokenInit.mechTypes[1] = talloc_strdup(ctx, OID_KERBEROS5);
+ spnego.negTokenInit.mechTypes[2] = talloc_strdup(ctx, OID_NTLMSSP);
+ spnego.negTokenInit.mechTypes[3] = NULL;
#else
- spnego.negTokenInit.mechTypes[0] = smb_xstrdup(OID_NTLMSSP);
+ spnego.negTokenInit.mechTypes[0] = talloc_strdup(ctx, OID_NTLMSSP);
spnego.negTokenInit.mechTypes[1] = NULL;
#endif
- spnego.negTokenInit.mechListMIC = data_blob(principal,
+ spnego.negTokenInit.mechListMIC = data_blob_talloc(ctx, principal,
strlen(principal));
- len = write_spnego_data(&token, &spnego);
- free_spnego_data(&spnego);
+ len = spnego_write_data(ctx, &token, &spnego);
+ spnego_free_data(&spnego);
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)
+bool spnego_parse_krb5_wrap(TALLOC_CTX *ctx, DATA_BLOB blob, DATA_BLOB *ticket, uint8 tok_id[2])
{
- static NTLMSSP_STATE *ntlmssp_state = NULL;
- SPNEGO_DATA request, response;
+ bool ret;
+ ASN1_DATA *data;
+ int data_remaining;
+
+ data = asn1_init(talloc_tos());
+ if (data == NULL) {
+ return false;
+ }
+
+ asn1_load(data, blob);
+ asn1_start_tag(data, ASN1_APPLICATION(0));
+ asn1_check_OID(data, OID_KERBEROS5);
+
+ data_remaining = asn1_tag_remaining(data);
+
+ if (data_remaining < 3) {
+ data->has_error = True;
+ } else {
+ asn1_read(data, tok_id, 2);
+ data_remaining -= 2;
+ *ticket = data_blob_talloc(ctx, NULL, data_remaining);
+ asn1_read(data, ticket->data, ticket->length);
+ }
+
+ asn1_end_tag(data);
+
+ ret = !data->has_error;
+
+ if (data->has_error) {
+ data_blob_free(ticket);
+ }
+
+ asn1_free(data);
+
+ return ret;
+}
+
+static void manage_gss_spnego_request(struct ntlm_auth_state *state,
+ char *buf, int length)
+{
+ struct spnego_data request, response;
DATA_BLOB token;
+ DATA_BLOB raw_in_token = data_blob_null;
+ DATA_BLOB raw_out_token = data_blob_null;
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;
+ char *supportedMech = NULL;
if (strlen(buf) < 2) {
- DEBUG(1, ("SPENGO query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ DEBUG(1, ("SPENGO query [%s] invalid\n", buf));
+ x_fprintf(x_stdout, "BH SPENGO query invalid\n");
return;
}
if (strncmp(buf, "YR", 2) == 0) {
- if (ntlmssp_state)
- ntlmssp_end(&ntlmssp_state);
+ TALLOC_FREE(state->ntlmssp_state);
+ TALLOC_FREE(state->spnego_mech);
+ TALLOC_FREE(state->spnego_mech_oid);
} else if (strncmp(buf, "KK", 2) == 0) {
-
+ ;
} else {
- DEBUG(1, ("SPENGO query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ DEBUG(1, ("SPENGO query [%s] invalid\n", buf));
+ 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;
}
token = base64_decode_data_blob(buf + 3);
- len = read_spnego_data(token, &request);
+
+ if ((token.length >= 7)
+ && (strncmp((char *)token.data, "NTLMSSP", 7) == 0)) {
+ char *reply;
+
+ data_blob_free(&token);
+
+ DEBUG(10, ("Could not parse GSS-SPNEGO, trying raw "
+ "ntlmssp\n"));
+
+ manage_squid_ntlmssp_request_int(state, buf, length,
+ talloc_tos(), &reply);
+ if (reply == NULL) {
+ x_fprintf(x_stdout, "BH Out of memory\n");
+ return;
+ }
+
+ if (strncmp(reply, "AF ", 3) == 0) {
+ x_fprintf(x_stdout, "AF * %s\n", reply+3);
+ } else {
+ x_fprintf(x_stdout, "%s *\n", reply);
+ }
+
+ TALLOC_FREE(reply);
+ return;
+ }
+
+ ZERO_STRUCT(request);
+ len = spnego_read_data(ctx, token, &request);
data_blob_free(&token);
if (len == -1) {
- DEBUG(1, ("GSS-SPNEGO query [%s] invalid", buf));
- x_fprintf(x_stdout, "BH\n");
+ DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
+ x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
return;
}
if (request.type == SPNEGO_NEG_TOKEN_INIT) {
+#ifdef HAVE_KRB5
+ int krb5_idx = -1;
+#endif
+ int ntlm_idx = -1;
+ int used_idx = -1;
+ int i;
+
+ if (state->spnego_mech) {
+ DEBUG(1, ("Client restarted SPNEGO with NegTokenInit "
+ "while mech[%s] was already negotiated\n",
+ state->spnego_mech));
+ x_fprintf(x_stdout, "BH Client send NegTokenInit twice\n");
+ return;
+ }
/* Second request from Client. This is where the
client offers its mechanism to use. */
if ( (request.negTokenInit.mechTypes == NULL) ||
(request.negTokenInit.mechTypes[0] == NULL) ) {
- DEBUG(1, ("Client did not offer any mechanism"));
- x_fprintf(x_stdout, "BH\n");
+ DEBUG(1, ("Client did not offer any mechanism\n"));
+ x_fprintf(x_stdout, "BH Client did not offer any "
+ "mechanism\n");
return;
}
status = NT_STATUS_UNSUCCESSFUL;
- if (strcmp(request.negTokenInit.mechTypes[0], OID_NTLMSSP) == 0) {
+ for (i = 0; request.negTokenInit.mechTypes[i] != NULL; i++) {
+ DEBUG(10,("got mech[%d][%s]\n",
+ i, request.negTokenInit.mechTypes[i]));
+#ifdef HAVE_KRB5
+ if (strcmp(request.negTokenInit.mechTypes[i], OID_KERBEROS5_OLD) == 0) {
+ krb5_idx = i;
+ break;
+ }
+ if (strcmp(request.negTokenInit.mechTypes[i], OID_KERBEROS5) == 0) {
+ krb5_idx = i;
+ break;
+ }
+#endif
+ if (strcmp(request.negTokenInit.mechTypes[i], OID_NTLMSSP) == 0) {
+ ntlm_idx = i;
+ break;
+ }
+ }
- if ( request.negTokenInit.mechToken.data == NULL ) {
- DEBUG(1, ("Client did not provide NTLMSSP data\n"));
- x_fprintf(x_stdout, "BH\n");
+ used_idx = ntlm_idx;
+#ifdef HAVE_KRB5
+ if (krb5_idx != -1) {
+ ntlm_idx = -1;
+ used_idx = krb5_idx;
+ }
+#endif
+ if (ntlm_idx > -1) {
+ state->spnego_mech = talloc_strdup(state, "ntlmssp");
+ if (state->spnego_mech == NULL) {
+ x_fprintf(x_stdout, "BH Out of memory\n");
return;
}
- if ( ntlmssp_state != NULL ) {
+ if (state->ntlmssp_state) {
DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
"already got one\n"));
- x_fprintf(x_stdout, "BH\n");
- ntlmssp_end(&ntlmssp_state);
+ x_fprintf(x_stdout, "BH Client wants a new "
+ "NTLMSSP challenge, but "
+ "already got one\n");
+ TALLOC_FREE(state->ntlmssp_state);
return;
}
- if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
+ status = ntlm_auth_start_ntlmssp_server(&state->ntlmssp_state);
+ if (!NT_STATUS_IS_OK(status)) {
x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
return;
}
-
- DEBUG(10, ("got NTLMSSP packet:\n"));
- 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;
-
- status = ntlmssp_update(ntlmssp_state,
- request.negTokenInit.mechToken,
- &response.negTokenTarg.responseToken);
}
#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;
-
- if ( request.negTokenInit.mechToken.data == NULL ) {
- DEBUG(1, ("Client did not provide Kerberos data\n"));
- x_fprintf(x_stdout, "BH\n");
+ if (krb5_idx > -1) {
+ state->spnego_mech = talloc_strdup(state, "krb5");
+ if (state->spnego_mech == NULL) {
+ x_fprintf(x_stdout, "BH Out of memory\n");
return;
}
-
- response.type = SPNEGO_NEG_TOKEN_TARG;
- response.negTokenTarg.supportedMech = SMB_STRDUP(OID_KERBEROS5_OLD);
- 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, True);
-
- talloc_destroy(mem_ctx);
-
- /* Now in "principal" we have the name we are
- authenticated as. */
-
- if (NT_STATUS_IS_OK(status)) {
-
- domain = strchr_m(principal, '@');
-
- if (domain == NULL) {
- DEBUG(1, ("Did not get a valid principal "
- "from ads_verify_ticket\n"));
- x_fprintf(x_stdout, "BH\n");
- return;
- }
-
- *domain++ = '\0';
- domain = SMB_STRDUP(domain);
- user = SMB_STRDUP(principal);
-
- data_blob_free(&ap_rep);
-
- SAFE_FREE(principal);
- }
}
#endif
+ if (used_idx > -1) {
+ state->spnego_mech_oid = talloc_strdup(state,
+ request.negTokenInit.mechTypes[used_idx]);
+ if (state->spnego_mech_oid == NULL) {
+ x_fprintf(x_stdout, "BH Out of memory\n");
+ return;
+ }
+ supportedMech = talloc_strdup(ctx, state->spnego_mech_oid);
+ if (supportedMech == NULL) {
+ x_fprintf(x_stdout, "BH Out of memory\n");
+ return;
+ }
+ status = NT_STATUS_MORE_PROCESSING_REQUIRED;
+ } else {
+ status = NT_STATUS_NOT_SUPPORTED;
+ }
+ if (used_idx == 0) {
+ status = NT_STATUS_OK;
+ raw_in_token = request.negTokenInit.mechToken;
+ }
} else {
+ if (state->spnego_mech == NULL) {
+ DEBUG(1,("Got netTokenTarg without negTokenInit\n"));
+ x_fprintf(x_stdout, "BH Got a negTokenTarg without "
+ "negTokenInit\n");
+ return;
+ }
- if ( (request.negTokenTarg.supportedMech == NULL) ||
- ( strcmp(request.negTokenTarg.supportedMech, OID_NTLMSSP) != 0 ) ) {
- /* Kerberos should never send a negTokenTarg, OID_NTLMSSP
- 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");
+ if ((request.negTokenTarg.supportedMech != NULL) &&
+ (strcmp(request.negTokenTarg.supportedMech, state->spnego_mech_oid) != 0 ) ) {
+ DEBUG(1, ("Got a negTokenTarg with mech[%s] while [%s] was already negotiated\n",
+ request.negTokenTarg.supportedMech,
+ state->spnego_mech_oid));
+ x_fprintf(x_stdout, "BH Got a negTokenTarg with speficied mech\n");
return;
}
- if (request.negTokenTarg.responseToken.data == NULL) {
- DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
- x_fprintf(x_stdout, "BH\n");
+ status = NT_STATUS_OK;
+ raw_in_token = request.negTokenTarg.responseToken;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ /* error or more processing */
+ } else if (strcmp(state->spnego_mech, "ntlmssp") == 0) {
+
+ DEBUG(10, ("got NTLMSSP packet:\n"));
+ dump_data(10, raw_in_token.data, raw_in_token.length);
+
+ status = ntlmssp_update(state->ntlmssp_state,
+ raw_in_token,
+ &raw_out_token);
+ if (NT_STATUS_IS_OK(status)) {
+ user = talloc_strdup(ctx, state->ntlmssp_state->user);
+ domain = talloc_strdup(ctx, state->ntlmssp_state->domain);
+ }
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ TALLOC_FREE(state->ntlmssp_state);
+ }
+#ifdef HAVE_KRB5
+ } else if (strcmp(state->spnego_mech, "krb5") == 0) {
+ char *principal;
+ DATA_BLOB ap_rep;
+ DATA_BLOB session_key;
+ struct PAC_LOGON_INFO *logon_info = NULL;
+ DATA_BLOB ticket;
+ uint8_t tok_id[2];
+
+ if (!spnego_parse_krb5_wrap(ctx, raw_in_token,
+ &ticket, tok_id)) {
+ DEBUG(1, ("spnego_parse_krb5_wrap failed\n"));
+ x_fprintf(x_stdout, "BH spnego_parse_krb5_wrap failed\n");
return;
}
- status = ntlmssp_update(ntlmssp_state,
- request.negTokenTarg.responseToken,
- &response.negTokenTarg.responseToken);
+ status = ads_verify_ticket(ctx, lp_realm(), 0,
+ &ticket,
+ &principal, &logon_info, &ap_rep,
+ &session_key, True);
- response.type = SPNEGO_NEG_TOKEN_TARG;
- response.negTokenTarg.supportedMech = SMB_STRDUP(OID_NTLMSSP);
- response.negTokenTarg.mechListMIC = data_blob_null;
+ /* Now in "principal" we have the name we are authenticated as. */
if (NT_STATUS_IS_OK(status)) {
- user = SMB_STRDUP(ntlmssp_state->user);
- domain = SMB_STRDUP(ntlmssp_state->domain);
- ntlmssp_end(&ntlmssp_state);
+
+ domain = strchr_m(principal, '@');
+
+ if (domain == NULL) {
+ DEBUG(1, ("Did not get a valid principal "
+ "from ads_verify_ticket\n"));
+ x_fprintf(x_stdout, "BH Did not get a "
+ "valid principal from "
+ "ads_verify_ticket\n");
+ return;
+ }
+
+ *domain++ = '\0';
+ domain = talloc_strdup(ctx, domain);
+ user = talloc_strdup(ctx, principal);
+
+ if (logon_info) {
+ netsamlogon_cache_store(
+ user, &logon_info->info3);
+ }
+
+ data_blob_free(&ap_rep);
+ data_blob_free(&session_key);
}
+ data_blob_free(&ticket);
+#endif
}
- free_spnego_data(&request);
+ spnego_free_data(&request);
+ ZERO_STRUCT(response);
+ response.type = SPNEGO_NEG_TOKEN_TARG;
if (NT_STATUS_IS_OK(status)) {
+ TALLOC_FREE(state->spnego_mech);
+ TALLOC_FREE(state->spnego_mech_oid);
response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
+ response.negTokenTarg.responseToken = raw_out_token;
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.supportedMech = supportedMech;
+ response.negTokenTarg.responseToken = raw_out_token;
response.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
reply_code = "TT";
- pstr_sprintf(reply_argument, "*");
+ reply_argument = talloc_strdup(ctx, "*");
} else {
+ TALLOC_FREE(state->spnego_mech);
+ TALLOC_FREE(state->spnego_mech_oid);
+ data_blob_free(&raw_out_token);
response.negTokenTarg.negResult = SPNEGO_REJECT;
reply_code = "NA";
- pstrcpy(reply_argument, nt_errstr(status));
+ reply_argument = talloc_strdup(ctx, nt_errstr(status));
}
- SAFE_FREE(user);
- SAFE_FREE(domain);
+ if (!reply_argument) {
+ DEBUG(1, ("Could not write SPNEGO data blob\n"));
+ x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
+ spnego_free_data(&response);
+ return;
+ }
- len = write_spnego_data(&token, &response);
- free_spnego_data(&response);
+ len = spnego_write_data(ctx, &token, &response);
+ spnego_free_data(&response);
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 struct ntlmssp_state *client_ntlmssp_state = NULL;
-static BOOL manage_client_ntlmssp_init(SPNEGO_DATA spnego)
+static bool manage_client_ntlmssp_init(struct spnego_data spnego)
{
NTSTATUS status;
DATA_BLOB null_blob = data_blob_null;
DATA_BLOB to_server;
char *to_server_base64;
const char *my_mechs[] = {OID_NTLMSSP, NULL};
+ TALLOC_CTX *ctx = talloc_tos();
DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
spnego.type = SPNEGO_NEG_TOKEN_INIT;
spnego.negTokenInit.mechTypes = my_mechs;
- spnego.negTokenInit.reqFlags = 0;
+ spnego.negTokenInit.reqFlags = data_blob_null;
+ spnego.negTokenInit.reqFlagsPadding = 0;
spnego.negTokenInit.mechListMIC = null_blob;
status = ntlmssp_update(client_ntlmssp_state, null_blob,
NT_STATUS_IS_OK(status)) ) {
DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
nt_errstr(status)));
- ntlmssp_end(&client_ntlmssp_state);
+ TALLOC_FREE(client_ntlmssp_state);
return False;
}
- write_spnego_data(&to_server, &spnego);
+ spnego_write_data(ctx, &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)
+static void manage_client_ntlmssp_targ(struct spnego_data spnego)
{
NTSTATUS status;
DATA_BLOB null_blob = data_blob_null;
DATA_BLOB request;
DATA_BLOB to_server;
char *to_server_base64;
+ TALLOC_CTX *ctx = talloc_tos();
DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
if (client_ntlmssp_state == NULL) {
DEBUG(1, ("Got NTLMSSP tArg without a client state\n"));
- x_fprintf(x_stdout, "BH\n");
+ x_fprintf(x_stdout, "BH Got NTLMSSP tArg without a client state\n");
return;
}
if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
x_fprintf(x_stdout, "NA\n");
- ntlmssp_end(&client_ntlmssp_state);
+ TALLOC_FREE(client_ntlmssp_state);
return;
}
if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
x_fprintf(x_stdout, "AF\n");
- ntlmssp_end(&client_ntlmssp_state);
+ TALLOC_FREE(client_ntlmssp_state);
return;
}
status = ntlmssp_update(client_ntlmssp_state,
spnego.negTokenTarg.responseToken,
&request);
-
+
if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
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);
+ TALLOC_FREE(client_ntlmssp_state);
return;
}
spnego.type = SPNEGO_NEG_TOKEN_TARG;
spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
- spnego.negTokenTarg.supportedMech = (char *)OID_NTLMSSP;
+ spnego.negTokenTarg.supportedMech = (const char *)OID_NTLMSSP;
spnego.negTokenTarg.responseToken = request;
spnego.negTokenTarg.mechListMIC = null_blob;
-
- write_spnego_data(&to_server, &spnego);
+
+ spnego_write_data(ctx, &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(struct spnego_data spnego)
{
char *principal;
DATA_BLOB tkt, to_server;
DATA_BLOB session_key_krb5 = data_blob_null;
- SPNEGO_DATA reply;
+ struct spnego_data reply;
char *reply_base64;
int retval;
-
+
const char *my_mechs[] = {OID_KERBEROS5_OLD, NULL};
ssize_t len;
+ TALLOC_CTX *ctx = talloc_tos();
if ( (spnego.negTokenInit.mechListMIC.data == NULL) ||
(spnego.negTokenInit.mechListMIC.length == 0) ) {
spnego.negTokenInit.mechListMIC.length);
principal[spnego.negTokenInit.mechListMIC.length] = '\0';
- retval = cli_krb5_get_ticket(principal, 0, &tkt, &session_key_krb5, 0, NULL, NULL);
-
+ retval = cli_krb5_get_ticket(ctx, principal, 0,
+ &tkt, &session_key_krb5,
+ 0, NULL, 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, NULL);
-
+ retval = cli_krb5_get_ticket(ctx, principal, 0,
+ &tkt, &session_key_krb5,
+ 0, NULL, NULL, NULL);
if (retval) {
DEBUG(10, ("Kinit suceeded, but getting a ticket failed: %s\n", error_message(retval)));
return False;
reply.type = SPNEGO_NEG_TOKEN_INIT;
reply.negTokenInit.mechTypes = my_mechs;
- reply.negTokenInit.reqFlags = 0;
+ reply.negTokenInit.reqFlags = data_blob_null;
+ reply.negTokenInit.reqFlagsPadding = 0;
reply.negTokenInit.mechToken = tkt;
reply.negTokenInit.mechListMIC = data_blob_null;
- len = write_spnego_data(&to_server, &reply);
+ len = spnego_write_data(ctx, &to_server, &reply);
data_blob_free(&tkt);
if (len == -1) {
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;
}
-static void manage_client_krb5_targ(SPNEGO_DATA spnego)
+static void manage_client_krb5_targ(struct spnego_data spnego)
{
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;
+ struct spnego_data spnego;
ssize_t len;
+ TALLOC_CTX *ctx = talloc_tos();
if (!opt_username || !*opt_username) {
x_fprintf(x_stderr, "username must be specified!\n\n");
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;
}
/* We asked for a password and obviously got it :-) */
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;
}
(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;
}
/* So we got a server challenge to generate a SPNEGO
client-to-server request... */
- len = read_spnego_data(request, &spnego);
+ len = spnego_read_data(ctx, request, &spnego);
data_blob_free(&request);
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);
+ TALLOC_FREE(client_ntlmssp_state);
goto out;
}
}
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:
- free_spnego_data(&spnego);
+ spnego_free_data(&spnego);
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, "Error: No username supplied!\n");
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");
if (ntlm_server_1_lm_session_key)
flags |= WBFLAG_PAM_LMKEY;
-
+
if (ntlm_server_1_user_session_key)
flags |= WBFLAG_PAM_USER_SESSION_KEY;
if (!NT_STATUS_IS_OK(
contact_winbind_auth_crap(username,
domain,
- global_myname(),
+ lp_netbios_name(),
&challenge,
&lm_response,
&nt_response,
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;
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';
}
}
-static void manage_ntlm_change_password_1_request(enum stdio_helper_mode helper_mode, char *buf, int length)
+static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
+ char *buf, int length)
{
char *request, *parameter;
static DATA_BLOB new_nt_pswd;
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_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
encode_pw_buffer(new_lm_pswd.data, newpswd,
STR_UNICODE);
- SamOEMhash(new_lm_pswd.data, old_nt_hash, 516);
+ 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 {
encode_pw_buffer(new_nt_pswd.data, newpswd,
STR_UNICODE);
-
- SamOEMhash(new_nt_pswd.data, old_nt_hash, 516);
+
+ 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) &&
"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 = smb_xstrdup(fstr_user);
domain = smb_xstrdup(fstr_domain);
}
-
+
}
if(!NT_STATUS_IS_OK(contact_winbind_change_pswd_auth_crap(
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';
}
}
-static void manage_squid_request(enum stdio_helper_mode helper_mode, stdio_helper_function fn)
+static void manage_squid_request(struct ntlm_auth_state *state,
+ stdio_helper_function fn)
{
- char buf[SQUID_BUFFER_SIZE+1];
- int length;
+ char *buf;
+ char tmp[INITIAL_BUFFER_SIZE+1];
+ int length, buf_size = 0;
char *c;
- static BOOL err;
- /* 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))));
-
- exit(1); /* BIIG buffer */
- }
- exit(0);
- }
-
- c=(char *)memchr(buf,'\n',sizeof(buf)-1);
- if (c) {
- *c = '\0';
- length = c-buf;
- } else {
- err = 1;
- return;
- }
- if (err) {
- DEBUG(2, ("Oversized message\n"));
+ 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);
+ TALLOC_CTX *frame = talloc_stackframe();
+ manage_squid_request(state, fn);
+ TALLOC_FREE(frame);
}
}
/* 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_USER_SESSION_KEY,
OPT_DIAGNOSTICS,
OPT_REQUIRE_MEMBERSHIP,
- OPT_USE_CACHED_CREDS
+ OPT_USE_CACHED_CREDS,
+ OPT_PAM_WINBIND_CONF
};
int main(int argc, const char **argv)
{
+ TALLOC_CTX *frame = talloc_stackframe();
int opt;
static const char *helper_protocol;
static int diagnostics;
{ "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"},
+ { "diagnostics", 0, POPT_ARG_NONE, &diagnostics,
+ OPT_DIAGNOSTICS,
+ "Perform diagnostics on the authentication 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
+ { "pam-winbind-conf", 0, POPT_ARG_STRING, &opt_pam_winbind_conf, OPT_PAM_WINBIND_CONF, "Require that request must set WBFLAG_PAM_CONTACT_TRUSTDOM when krb5 auth is required" },
+ POPT_COMMON_CONFIGFILE
+ POPT_COMMON_VERSION
POPT_TABLEEND
};
/* Samba client initialisation */
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);
- }
+ setup_logging("ntlm_auth", DEBUG_STDERR);
/* 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);
break;
case OPT_REQUIRE_MEMBERSHIP:
- if (StrnCaseCmp("S-", require_membership_of, 2) == 0) {
+ if (strncasecmp_m("S-", require_membership_of, 2) == 0) {
require_membership_of_sid = require_membership_of;
}
break;
/* Exit code */
poptFreeContext(pc);
+ TALLOC_FREE(frame);
return 0;
}
git.samba.org / nivanova / samba-autobuild / .git / blobdiff