#include "includes.h"
#include "lib/param/param.h"
#include "popt_common.h"
+#include "libcli/security/security.h"
#include "utils/ntlm_auth.h"
#include "../libcli/auth/libcli_auth.h"
-#include "../libcli/auth/spnego.h"
#include "auth/ntlmssp/ntlmssp.h"
#include "auth/gensec/gensec.h"
#include "auth/gensec/gensec_internal.h"
#include "smb_krb5.h"
#include "lib/util/tiniparser.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"
#include "source3/auth/proto.h"
#include "nsswitch/libwbclient/wbclient.h"
#include "lib/param/loadparm.h"
+#include "lib/util/base64.h"
+#include "lib/util/xfile.h"
#if HAVE_KRB5
#include "auth/kerberos/pac_utils.h"
struct ntlm_auth_state *state, char *buf,
int length, void **private2);
+static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ char *buf, int length, void **private1);
+
static void manage_squid_request(enum stdio_helper_mode stdio_helper_mode,
struct loadparm_context *lp_ctx,
struct ntlm_auth_state *state,
static int request_user_session_key;
static int use_cached_creds;
static int offline_logon;
+static int opt_allow_mschapv2;
static const char *require_membership_of;
static const char *require_membership_of_sid;
static const char *get_password(struct cli_credentials *credentials)
{
+ TALLOC_CTX *frame = talloc_stackframe();
char *password = NULL;
+ struct ntlm_auth_state *state;
+
+ state = talloc_zero(frame, struct ntlm_auth_state);
+ if (state == NULL) {
+ DEBUG(0, ("squid_stream: Failed to talloc ntlm_auth_state\n"));
+ x_fprintf(x_stderr, "ERR\n");
+ exit(1);
+ }
+
+ state->mem_ctx = state;
/* Ask for a password */
x_fprintf(x_stdout, "PW\n");
- manage_squid_request(NUM_HELPER_MODES /* bogus */, NULL, NULL, manage_gensec_get_pw_request, (void **)&password);
+ manage_squid_request(NUM_HELPER_MODES /* bogus */, NULL, state, manage_gensec_get_pw_request, (void **)&password);
talloc_steal(credentials, password);
+ TALLOC_FREE(frame);
return password;
}
DEBUG(10, ("want GENSEC_FEATURE_SEAL\n"));
gensec_want_feature(state, GENSEC_FEATURE_SEAL);
}
+ if (in_list("NTLMSSP_FEATURE_CCACHE", feature_list, true)) {
+ DEBUG(10, ("want GENSEC_FEATURE_NTLM_CCACHE\n"));
+ gensec_want_feature(state, GENSEC_FEATURE_NTLM_CCACHE);
+ }
}
static char winbind_separator(void)
request.data.auth_crap.logon_parameters = extra_logon_parameters
| MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT | MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
+ if (opt_allow_mschapv2) {
+ request.data.auth_crap.logon_parameters |= MSV1_0_ALLOW_MSVCHAPV2;
+ }
+
if (require_membership_of_sid)
fstrcpy(request.data.auth_crap.require_membership_of_sid, require_membership_of_sid);
uint32_t session_info_flags,
struct auth_session_info **session_info_out)
{
- char *unix_username = (char *)server_returned_info;
- struct auth_session_info *session_info = talloc_zero(mem_ctx, struct auth_session_info);
- if (!session_info) {
+ const char *unix_username = (const char *)server_returned_info;
+ bool ok;
+ struct dom_sid *sids = NULL;
+ struct auth_session_info *session_info = NULL;
+
+ session_info = talloc_zero(mem_ctx, struct auth_session_info);
+ if (session_info == NULL) {
return NT_STATUS_NO_MEMORY;
}
session_info->unix_info = talloc_zero(session_info, struct auth_user_info_unix);
- if (!session_info->unix_info) {
+ if (session_info->unix_info == NULL) {
+ TALLOC_FREE(session_info);
+ return NT_STATUS_NO_MEMORY;
+ }
+ session_info->unix_info->unix_name = talloc_strdup(session_info->unix_info,
+ unix_username);
+ if (session_info->unix_info->unix_name == NULL) {
+ TALLOC_FREE(session_info);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ session_info->security_token = talloc_zero(session_info, struct security_token);
+ if (session_info->security_token == NULL) {
+ TALLOC_FREE(session_info);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ sids = talloc_zero_array(session_info->security_token,
+ struct dom_sid, 3);
+ if (sids == NULL) {
TALLOC_FREE(session_info);
return NT_STATUS_NO_MEMORY;
}
- session_info->unix_info->unix_name = talloc_steal(session_info->unix_info, unix_username);
+ ok = dom_sid_parse(SID_WORLD, &sids[0]);
+ if (!ok) {
+ TALLOC_FREE(session_info);
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+ ok = dom_sid_parse(SID_NT_NETWORK, &sids[1]);
+ if (!ok) {
+ TALLOC_FREE(session_info);
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+ ok = dom_sid_parse(SID_NT_AUTHENTICATED_USERS, &sids[2]);
+ if (!ok) {
+ TALLOC_FREE(session_info);
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ session_info->security_token->num_sids = talloc_array_length(sids);
+ session_info->security_token->sids = sids;
*session_info_out = session_info;
return nt_status;
}
-static NTSTATUS ntlm_auth_start_ntlmssp_client(struct ntlmssp_state **client_ntlmssp_state)
+static NTSTATUS ntlm_auth_prepare_gensec_client(TALLOC_CTX *mem_ctx,
+ struct loadparm_context *lp_ctx,
+ struct gensec_security **gensec_security_out)
{
- NTSTATUS status;
- if ( (opt_username == NULL) || (opt_domain == NULL) ) {
- status = NT_STATUS_UNSUCCESSFUL;
- DEBUG(1, ("Need username and domain for NTLMSSP\n"));
- return NT_STATUS_INVALID_PARAMETER;
- }
+ struct gensec_security *gensec_security = NULL;
+ NTSTATUS nt_status;
+ TALLOC_CTX *tmp_ctx;
+ const struct gensec_security_ops **backends = NULL;
+ struct gensec_settings *gensec_settings = NULL;
+ size_t idx = 0;
- status = ntlmssp_client_start(NULL,
- lp_netbios_name(),
- lp_workgroup(),
- lp_client_ntlmv2_auth(),
- client_ntlmssp_state);
+ tmp_ctx = talloc_new(mem_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not start NTLMSSP client: %s\n",
- nt_errstr(status)));
- TALLOC_FREE(*client_ntlmssp_state);
- return status;
+ gensec_settings = lpcfg_gensec_settings(tmp_ctx, lp_ctx);
+ if (gensec_settings == NULL) {
+ DEBUG(10, ("lpcfg_gensec_settings failed\n"));
+ TALLOC_FREE(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
}
- status = ntlmssp_set_username(*client_ntlmssp_state, opt_username);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set username: %s\n",
- nt_errstr(status)));
- TALLOC_FREE(*client_ntlmssp_state);
- return status;
+ backends = talloc_zero_array(gensec_settings,
+ const struct gensec_security_ops *, 4);
+ if (backends == NULL) {
+ TALLOC_FREE(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
}
+ gensec_settings->backends = backends;
- status = ntlmssp_set_domain(*client_ntlmssp_state, opt_domain);
+ gensec_init();
+
+ /* These need to be in priority order, krb5 before NTLMSSP */
+#if defined(HAVE_KRB5)
+ backends[idx++] = &gensec_gse_krb5_security_ops;
+#endif
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set domain: %s\n",
- nt_errstr(status)));
- TALLOC_FREE(*client_ntlmssp_state);
- return status;
+ backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_NTLMSSP);
+
+ backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_SPNEGO);
+
+ nt_status = gensec_client_start(NULL, &gensec_security,
+ gensec_settings);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(tmp_ctx);
+ return nt_status;
}
- if (opt_password) {
- status = ntlmssp_set_password(*client_ntlmssp_state, opt_password);
+ talloc_unlink(tmp_ctx, gensec_settings);
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set password: %s\n",
- nt_errstr(status)));
- TALLOC_FREE(*client_ntlmssp_state);
- return status;
+ if (opt_target_service != NULL) {
+ nt_status = gensec_set_target_service(gensec_security,
+ opt_target_service);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(tmp_ctx);
+ return nt_status;
}
}
+ if (opt_target_hostname != NULL) {
+ nt_status = gensec_set_target_hostname(gensec_security,
+ opt_target_hostname);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(tmp_ctx);
+ return nt_status;
+ }
+ }
+
+ *gensec_security_out = talloc_steal(mem_ctx, gensec_security);
+ TALLOC_FREE(tmp_ctx);
return NT_STATUS_OK;
}
}
gensec_set_credentials(gensec_security, server_credentials);
-
- gensec_want_feature(gensec_security, GENSEC_FEATURE_SIGN);
- gensec_want_feature(gensec_security, GENSEC_FEATURE_SEAL);
talloc_unlink(tmp_ctx, lp_ctx);
talloc_unlink(tmp_ctx, server_credentials);
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;
- 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();
- 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(NULL, WINBINDD_CCACHE_NTLMAUTH, &wb_request, &wb_response);
- SAFE_FREE(wb_request.extra_data.data);
-
- if (result != NSS_STATUS_SUCCESS) {
- winbindd_free_response(&wb_response);
- return NT_STATUS_UNSUCCESSFUL;
- }
-
- if (reply) {
- *reply = data_blob(wb_response.extra_data.data,
- wb_response.data.ccache_ntlm_auth.auth_blob_len);
- if (wb_response.data.ccache_ntlm_auth.auth_blob_len > 0 &&
- reply->data == NULL) {
- winbindd_free_response(&wb_response);
- return NT_STATUS_NO_MEMORY;
- }
- }
-
- winbindd_free_response(&wb_response);
- return NT_STATUS_OK;
-}
-
static void manage_client_ntlmssp_request(enum stdio_helper_mode stdio_helper_mode,
struct loadparm_context *lp_ctx,
struct ntlm_auth_state *state,
char *buf, int length, void **private2)
{
- DATA_BLOB request, reply;
- NTSTATUS nt_status;
-
- 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\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"));
- talloc_free(state->want_feature_list);
- state->want_feature_list = talloc_strdup(state->mem_ctx,
- buf+3);
- x_fprintf(x_stdout, "OK\n");
- return;
- }
- request = base64_decode_data_blob(buf + 3);
- } else {
- request = data_blob_null;
- }
-
- 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);
-
- if (opt_password == NULL) {
- DEBUG(1, ("Out of memory\n"));
- x_fprintf(x_stdout, "BH Out of memory\n");
- data_blob_free(&request);
- return;
- }
-
- x_fprintf(x_stdout, "OK\n");
- data_blob_free(&request);
- return;
- }
-
- if (!state->ntlmssp_state && use_cached_creds) {
- /* check whether cached credentials are usable. */
- DATA_BLOB empty_blob = data_blob_null;
-
- nt_status = do_ccache_ntlm_auth(empty_blob, empty_blob, NULL);
- if (!NT_STATUS_IS_OK(nt_status)) {
- /* 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. */
-
- DEBUG(10, ("Requesting password\n"));
- x_fprintf(x_stdout, "PW\n");
- return;
- }
-
- if (strncmp(buf, "YR", 2) == 0) {
- 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"));
-
- if(state->cli_state == CLIENT_FINISHED) {
- x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
- }
- else {
- x_fprintf(x_stdout, "BH\n");
- }
-
- data_blob_free(&request);
- return;
- } else if (strncmp(buf, "GK", 2) == 0 ) {
- DEBUG(10, ("Requested session key\n"));
-
- if(state->cli_state == CLIENT_FINISHED) {
- char *key64 = base64_encode_data_blob(state->mem_ctx,
- state->session_key);
- x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
- TALLOC_FREE(key64);
- }
- else {
- x_fprintf(x_stdout, "BH\n");
- }
-
- data_blob_free(&request);
- return;
- } else {
- DEBUG(1, ("NTLMSSP query [%s] invalid\n", buf));
- x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
- return;
- }
-
- 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(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 &&
- (state->cli_state == CLIENT_RESPONSE)) {
- nt_status = do_ccache_ntlm_auth(state->initial_message, request,
- &reply);
- } else {
- nt_status = ntlmssp_update(state->ntlmssp_state, request,
- &reply);
- }
-
- if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- 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);
- 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(talloc_tos(),
- reply);
- x_fprintf(x_stdout, "AF %s\n", reply_base64);
- TALLOC_FREE(reply_base64);
-
- if(state->have_session_key)
- data_blob_free(&state->session_key);
-
- state->session_key = data_blob(
- state->ntlmssp_state->session_key.data,
- state->ntlmssp_state->session_key.length);
- state->neg_flags = state->ntlmssp_state->neg_flags;
- state->have_session_key = true;
-
- DEBUG(10, ("NTLMSSP OK!\n"));
- 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)));
- state->cli_state = CLIENT_ERROR;
- TALLOC_FREE(state->ntlmssp_state);
- }
-
- data_blob_free(&request);
+ manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
+ return;
}
static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
if (!(state->gensec_state)) {
switch (stdio_helper_mode) {
case GSS_SPNEGO_CLIENT:
+ /*
+ * cached credentials are only supported by
+ * NTLMSSP_CLIENT_1 for now.
+ */
+ use_cached_creds = false;
+ /* fall through */
case NTLMSSP_CLIENT_1:
/* setup the client side */
- nt_status = gensec_client_start(NULL, &state->gensec_state,
- lpcfg_gensec_settings(NULL, lp_ctx));
+ if (state->set_password != NULL) {
+ use_cached_creds = false;
+ }
+
+ if (use_cached_creds) {
+ struct wbcCredentialCacheParams params;
+ struct wbcCredentialCacheInfo *info = NULL;
+ struct wbcAuthErrorInfo *error = NULL;
+ wbcErr wbc_status;
+
+ params.account_name = opt_username;
+ params.domain_name = opt_domain;
+ params.level = WBC_CREDENTIAL_CACHE_LEVEL_NTLMSSP;
+ params.num_blobs = 0;
+ params.blobs = NULL;
+
+ wbc_status = wbcCredentialCache(¶ms, &info,
+ &error);
+ wbcFreeMemory(error);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ use_cached_creds = false;
+ }
+ wbcFreeMemory(info);
+ }
+
+ nt_status = ntlm_auth_prepare_gensec_client(state, lp_ctx,
+ &state->gensec_state);
if (!NT_STATUS_IS_OK(nt_status)) {
x_fprintf(x_stdout, "BH GENSEC mech failed to start: %s\n", nt_errstr(nt_status));
talloc_free(mem_ctx);
if (opt_domain) {
cli_credentials_set_domain(creds, opt_domain, CRED_SPECIFIED);
}
- if (state->set_password) {
+ if (use_cached_creds) {
+ gensec_want_feature(state->gensec_state,
+ GENSEC_FEATURE_NTLM_CCACHE);
+ } else if (state->set_password) {
cli_credentials_set_password(creds, state->set_password, CRED_SPECIFIED);
} else {
cli_credentials_set_password_callback(creds, get_password);
return;
} else {
base64_key = base64_encode_data_blob(state, session_key);
+ SMB_ASSERT(base64_key != NULL);
x_fprintf(x_stdout, "GK %s\n", base64_key);
talloc_free(base64_key);
}
return;
}
- if (stdio_helper_mode == SQUID_2_5_NTLMSSP && strncmp(buf, "GF", 2) == 0) {
+ if (strncmp(buf, "GF", 2) == 0) {
uint32_t neg_flags;
+ DEBUG(10, ("Requested negotiated NTLMSSP feature flags\n"));
+
neg_flags = gensec_ntlmssp_neg_flags(state->gensec_state);
+ if (neg_flags == 0) {
+ x_fprintf(x_stdout, "BH\n");
+ return;
+ }
- DEBUG(10, ("Requested negotiated feature flags\n"));
x_fprintf(x_stdout, "GF 0x%08x\n", neg_flags);
return;
}
if (out.length) {
out_base64 = base64_encode_data_blob(mem_ctx, out);
+ SMB_ASSERT(out_base64 != NULL);
} else {
out_base64 = NULL;
}
return;
}
-static struct ntlmssp_state *client_ntlmssp_state = NULL;
-
-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"));
-
- if (client_ntlmssp_state != NULL) {
- DEBUG(1, ("Request for initial SPNEGO request where "
- "we already have a state\n"));
- return False;
- }
-
- if (!client_ntlmssp_state) {
- if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_client(&client_ntlmssp_state))) {
- x_fprintf(x_stdout, "BH %s\n", nt_errstr(status));
- return False;
- }
- }
-
-
- if (opt_password == NULL) {
-
- /* Request a password from the calling process. After
- sending it, the calling process should retry with
- the negTokenInit. */
-
- DEBUG(10, ("Requesting password\n"));
- x_fprintf(x_stdout, "PW\n");
- return True;
- }
-
- spnego.type = SPNEGO_NEG_TOKEN_INIT;
- spnego.negTokenInit.mechTypes = my_mechs;
- spnego.negTokenInit.reqFlags = data_blob_null;
- spnego.negTokenInit.reqFlagsPadding = 0;
- spnego.negTokenInit.mechListMIC = null_blob;
-
- status = ntlmssp_update(client_ntlmssp_state, null_blob,
- &spnego.negTokenInit.mechToken);
-
- if ( !(NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED) ||
- NT_STATUS_IS_OK(status)) ) {
- DEBUG(1, ("Expected OK or MORE_PROCESSING_REQUIRED, got: %s\n",
- nt_errstr(status)));
- TALLOC_FREE(client_ntlmssp_state);
- return False;
- }
-
- spnego_write_data(ctx, &to_server, &spnego);
- data_blob_free(&spnego.negTokenInit.mechToken);
-
- 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);
- TALLOC_FREE(to_server_base64);
- return True;
-}
-
-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 Got NTLMSSP tArg without a client state\n");
- return;
- }
-
- if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
- x_fprintf(x_stdout, "NA\n");
- TALLOC_FREE(client_ntlmssp_state);
- return;
- }
-
- if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
- x_fprintf(x_stdout, "AF\n");
- 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) && !NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Expected MORE_PROCESSING_REQUIRED or OK from "
- "ntlmssp_client_update, got: %s\n",
- nt_errstr(status)));
- x_fprintf(x_stdout, "BH Expected MORE_PROCESSING_REQUIRED from "
- "ntlmssp_client_update\n");
- data_blob_free(&request);
- TALLOC_FREE(client_ntlmssp_state);
- return;
- }
-
- spnego.type = SPNEGO_NEG_TOKEN_TARG;
- spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
- spnego.negTokenTarg.supportedMech = (const char *)OID_NTLMSSP;
- spnego.negTokenTarg.responseToken = request;
- spnego.negTokenTarg.mechListMIC = null_blob;
-
- spnego_write_data(ctx, &to_server, &spnego);
- data_blob_free(&request);
-
- 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);
- TALLOC_FREE(to_server_base64);
- return;
-}
-
-#ifdef HAVE_KRB5
-
-static bool manage_client_krb5_init(struct spnego_data spnego)
-{
- char *principal;
- DATA_BLOB tkt, tkt_wrapped, to_server;
- DATA_BLOB session_key_krb5 = data_blob_null;
- 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();
-
- principal = spnego.negTokenInit.targetPrincipal;
-
- /* We may not be allowed to use the server-supplied SPNEGO principal, or it may not have been supplied to us
- */
- if (!lp_client_use_spnego_principal() || strequal(principal, ADS_IGNORE_PRINCIPAL)) {
- principal = NULL;
- }
-
- if (principal == NULL &&
- opt_target_service && opt_target_hostname && !is_ipaddress(opt_target_hostname)) {
- DEBUG(3,("manage_client_krb5_init: using target "
- "hostname not SPNEGO principal\n"));
-
- principal = kerberos_get_principal_from_service_hostname(talloc_tos(),
- opt_target_service,
- opt_target_hostname,
- lp_realm());
-
- if (!principal) {
- return false;
- }
-
- DEBUG(3,("manage_client_krb5_init: guessed "
- "server principal=%s\n",
- principal ? principal : "<null>"));
- }
-
- if (principal == NULL) {
- DEBUG(3,("manage_client_krb5_init: could not guess server principal\n"));
- return false;
- }
-
- retval = cli_krb5_get_ticket(ctx, principal, 0,
- &tkt, &session_key_krb5,
- 0, NULL, NULL, NULL);
- if (retval) {
- char *user = NULL;
-
- /* Let's try to first get the TGT, for that we need a
- password. */
-
- if (opt_password == NULL) {
- DEBUG(10, ("Requesting password\n"));
- x_fprintf(x_stdout, "PW\n");
- return True;
- }
-
- 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(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;
- }
-
- }
-
- /* wrap that up in a nice GSS-API wrapping */
- tkt_wrapped = spnego_gen_krb5_wrap(ctx, tkt, TOK_ID_KRB_AP_REQ);
-
- data_blob_free(&session_key_krb5);
-
- ZERO_STRUCT(reply);
-
- reply.type = SPNEGO_NEG_TOKEN_INIT;
- reply.negTokenInit.mechTypes = my_mechs;
- reply.negTokenInit.reqFlags = data_blob_null;
- reply.negTokenInit.reqFlagsPadding = 0;
- reply.negTokenInit.mechToken = tkt_wrapped;
- reply.negTokenInit.mechListMIC = data_blob_null;
-
- len = spnego_write_data(ctx, &to_server, &reply);
- data_blob_free(&tkt);
-
- if (len == -1) {
- DEBUG(1, ("Could not write SPNEGO data blob\n"));
- return False;
- }
-
- reply_base64 = base64_encode_data_blob(talloc_tos(), to_server);
- x_fprintf(x_stdout, "KK %s *\n", 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(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 Got a Kerberos negTokenTarg with "
- "ACCEPT_INCOMPLETE\n");
- break;
- case SPNEGO_ACCEPT_COMPLETED:
- DEBUG(10, ("Accept completed\n"));
- x_fprintf(x_stdout, "AF\n");
- break;
- case SPNEGO_REJECT:
- DEBUG(10, ("Rejected\n"));
- x_fprintf(x_stdout, "NA\n");
- break;
- default:
- DEBUG(1, ("Got an invalid negTokenTarg\n"));
- x_fprintf(x_stdout, "AF\n");
- }
-}
-
-#endif
-
static void manage_gss_spnego_client_request(enum stdio_helper_mode stdio_helper_mode,
struct loadparm_context *lp_ctx,
struct ntlm_auth_state *state,
char *buf, int length, void **private2)
{
- DATA_BLOB request;
- 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");
- exit(1);
- }
-
- if (strlen(buf) <= 3) {
- DEBUG(1, ("SPNEGO query [%s] too short\n", buf));
- x_fprintf(x_stdout, "BH SPNEGO query too short\n");
- return;
- }
-
- request = base64_decode_data_blob(buf+3);
-
- 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);
-
- if (opt_password == NULL) {
- DEBUG(1, ("Out of memory\n"));
- x_fprintf(x_stdout, "BH Out of memory\n");
- data_blob_free(&request);
- return;
- }
-
- x_fprintf(x_stdout, "OK\n");
- data_blob_free(&request);
- return;
- }
-
- if ( (strncmp(buf, "TT ", 3) != 0) &&
- (strncmp(buf, "AF ", 3) != 0) &&
- (strncmp(buf, "NA ", 3) != 0) ) {
- DEBUG(1, ("SPNEGO request [%s] invalid\n", buf));
- 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 = 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 Could not read SPNEGO data\n");
- return;
- }
-
- if (spnego.type == SPNEGO_NEG_TOKEN_INIT) {
-
- /* The server offers a list of mechanisms */
-
- const char *const *mechType = spnego.negTokenInit.mechTypes;
-
- while (*mechType != NULL) {
-
-#ifdef HAVE_KRB5
- if ( (strcmp(*mechType, OID_KERBEROS5_OLD) == 0) ||
- (strcmp(*mechType, OID_KERBEROS5) == 0) ) {
- if (manage_client_krb5_init(spnego))
- goto out;
- }
-#endif
-
- if (strcmp(*mechType, OID_NTLMSSP) == 0) {
- if (manage_client_ntlmssp_init(spnego))
- goto out;
- }
-
- mechType++;
- }
-
- DEBUG(1, ("Server offered no compatible mechanism\n"));
- x_fprintf(x_stdout, "BH Server offered no compatible mechanism\n");
- return;
- }
-
- if (spnego.type == SPNEGO_NEG_TOKEN_TARG) {
-
- if (spnego.negTokenTarg.supportedMech == NULL) {
- /* On accept/reject Windows does not send the
- mechanism anymore. Handle that here and
- shut down the mechanisms. */
-
- switch (spnego.negTokenTarg.negResult) {
- case SPNEGO_ACCEPT_COMPLETED:
- x_fprintf(x_stdout, "AF\n");
- break;
- case SPNEGO_REJECT:
- x_fprintf(x_stdout, "NA\n");
- break;
- default:
- DEBUG(1, ("Got a negTokenTarg with no mech and an "
- "unknown negResult: %d\n",
- spnego.negTokenTarg.negResult));
- x_fprintf(x_stdout, "BH Got a negTokenTarg with"
- " no mech and an unknown "
- "negResult\n");
- }
-
- TALLOC_FREE(client_ntlmssp_state);
- goto out;
- }
-
- if (strcmp(spnego.negTokenTarg.supportedMech,
- OID_NTLMSSP) == 0) {
- manage_client_ntlmssp_targ(spnego);
- goto out;
- }
-
-#if HAVE_KRB5
- if (strcmp(spnego.negTokenTarg.supportedMech,
- OID_KERBEROS5_OLD) == 0) {
- manage_client_krb5_targ(spnego);
- goto out;
- }
-#endif
-
- }
-
- DEBUG(1, ("Got an SPNEGO token I could not handle [%s]!\n", buf));
- x_fprintf(x_stdout, "BH Got an SPNEGO token I could not handle\n");
- return;
-
- out:
- spnego_free_data(&spnego);
+ manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
return;
}
OPT_DIAGNOSTICS,
OPT_REQUIRE_MEMBERSHIP,
OPT_USE_CACHED_CREDS,
+ OPT_ALLOW_MSCHAPV2,
OPT_PAM_WINBIND_CONF,
OPT_TARGET_SERVICE,
OPT_TARGET_HOSTNAME,
{ "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"},
+ { "allow-mschapv2", 0, POPT_ARG_NONE, &opt_allow_mschapv2, OPT_ALLOW_MSCHAPV2, "Explicitly allow MSCHAPv2" },
{ "offline-logon", 0, POPT_ARG_NONE, &offline_logon,
OPT_OFFLINE_LOGON,
"Use cached passwords when DC is offline"},
smb_init_locale();
setup_logging("ntlm_auth", DEBUG_STDERR);
+ fault_setup();
/* Parse options */
git.samba.org / samba.git / blobdiff