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
+ Copyright (C) Simo Sorce 2010
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
*/
#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 "../libcli/auth/ntlmssp.h"
+#include "auth/ntlmssp/ntlmssp.h"
+#include "auth/gensec/gensec.h"
+#include "auth/gensec/gensec_internal.h"
+#include "auth/credentials/credentials.h"
+#include "librpc/crypto/gse.h"
#include "smb_krb5.h"
-#include <iniparser.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 "auth/common_auth.h"
+#include "source3/include/auth.h"
+#include "source3/auth/proto.h"
+#include "nsswitch/libwbclient/wbclient.h"
+#include "lib/param/loadparm.h"
+#include "lib/util/base64.h"
+
+#if HAVE_KRB5
+#include "auth/kerberos/pac_utils.h"
+#endif
#ifndef PAM_WINBIND_CONFIG_FILE
#define PAM_WINBIND_CONFIG_FILE "/etc/security/pam_winbind.conf"
SQUID_2_5_BASIC,
SQUID_2_5_NTLMSSP,
NTLMSSP_CLIENT_1,
- GSS_SPNEGO,
+ GSS_SPNEGO_SERVER,
GSS_SPNEGO_CLIENT,
NTLM_SERVER_1,
NTLM_CHANGE_PASSWORD_1,
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;
bool have_session_key;
DATA_BLOB session_key;
DATA_BLOB initial_message;
+ void *gensec_private_1;
};
-
-typedef void (*stdio_helper_function)(struct ntlm_auth_state *state, char *buf,
- int length);
-
-static void manage_squid_basic_request (struct ntlm_auth_state *state,
- char *buf, int length);
-
-static void manage_squid_ntlmssp_request (struct ntlm_auth_state *state,
- 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 (struct ntlm_auth_state *state,
- 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 (struct ntlm_auth_state *state,
- char *buf, int length);
-
-static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
- char *buf, int length);
+typedef void (*stdio_helper_function)(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ 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,
+ stdio_helper_function fn, void **private2);
+
+static void manage_squid_basic_request (enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state,
+ char *buf, int length, void **private2);
+
+static void manage_squid_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);
+
+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);
+
+static void manage_gss_spnego_request (enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state,
+ char *buf, int length, void **private2);
+
+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);
+
+static void manage_ntlm_server_1_request (enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state,
+ char *buf, int length, void **private2);
+
+static void manage_ntlm_change_password_1_request(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state,
+ char *buf, int length, void **private2);
static const struct {
enum stdio_helper_mode mode;
{ SQUID_2_5_BASIC, "squid-2.5-basic", manage_squid_basic_request},
{ SQUID_2_5_NTLMSSP, "squid-2.5-ntlmssp", manage_squid_ntlmssp_request},
{ NTLMSSP_CLIENT_1, "ntlmssp-client-1", manage_client_ntlmssp_request},
- { GSS_SPNEGO, "gss-spnego", manage_gss_spnego_request},
+ { GSS_SPNEGO_SERVER, "gss-spnego", manage_gss_spnego_request},
{ GSS_SPNEGO_CLIENT, "gss-spnego-client", manage_gss_spnego_client_request},
{ NTLM_SERVER_1, "ntlm-server-1", manage_ntlm_server_1_request},
{ NTLM_CHANGE_PASSWORD_1, "ntlm-change-password-1", manage_ntlm_change_password_1_request},
static int request_lm_key;
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 *opt_pam_winbind_conf;
+const char *opt_target_service;
+const char *opt_target_hostname;
+
+
+/* This is a bit hairy, but the basic idea is to do a password callback
+ to the calling application. The callback comes from within gensec */
+
+static void manage_gensec_get_pw_request(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state, char *buf, int length,
+ void **password)
+{
+ DATA_BLOB in;
+ if (strlen(buf) < 2) {
+ DEBUG(1, ("query [%s] invalid", buf));
+ printf("BH Query invalid\n");
+ return;
+ }
+
+ if (strlen(buf) > 3) {
+ in = base64_decode_data_blob(buf + 3);
+ } else {
+ in = data_blob(NULL, 0);
+ }
+
+ if (strncmp(buf, "PW ", 3) == 0) {
+
+ *password = talloc_strndup(NULL,
+ (const char *)in.data, in.length);
+
+ if (*password == NULL) {
+ DEBUG(1, ("Out of memory\n"));
+ printf("BH Out of memory\n");
+ data_blob_free(&in);
+ return;
+ }
+
+ printf("OK\n");
+ data_blob_free(&in);
+ return;
+ }
+ DEBUG(1, ("Asked for (and expected) a password\n"));
+ printf("BH Expected a password\n");
+ data_blob_free(&in);
+}
+
+/**
+ * Callback for password credentials. This is not async, and when
+ * GENSEC and the credentials code is made async, it will look rather
+ * different.
+ */
+
+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"));
+ fprintf(stderr, "ERR\n");
+ exit(1);
+ }
+
+ state->mem_ctx = state;
+
+ /* Ask for a password */
+ printf("PW\n");
+
+ 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;
+}
+
+/**
+ * A limited set of features are defined with text strings as needed
+ * by ntlm_auth
+ *
+ */
+static void gensec_want_feature_list(struct gensec_security *state, char* feature_list)
+{
+ if (in_list("NTLMSSP_FEATURE_SESSION_KEY", feature_list, true)) {
+ DEBUG(10, ("want GENSEC_FEATURE_SESSION_KEY\n"));
+ gensec_want_feature(state, GENSEC_FEATURE_SESSION_KEY);
+ }
+ if (in_list("NTLMSSP_FEATURE_SIGN", feature_list, true)) {
+ DEBUG(10, ("want GENSEC_FEATURE_SIGN\n"));
+ gensec_want_feature(state, GENSEC_FEATURE_SIGN);
+ }
+ if (in_list("NTLMSSP_FEATURE_SEAL", feature_list, true)) {
+ 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)
{
- struct winbindd_response response;
+ struct wbcInterfaceDetails *details;
+ wbcErr ret;
static bool got_sep;
static char sep;
if (got_sep)
return sep;
- ZERO_STRUCT(response);
-
- /* Send off request */
-
- if (winbindd_request_response(WINBINDD_INFO, NULL, &response) !=
- NSS_STATUS_SUCCESS) {
- d_printf("could not obtain winbind separator!\n");
+ ret = wbcInterfaceDetails(&details);
+ if (!WBC_ERROR_IS_OK(ret)) {
+ d_fprintf(stderr, "could not obtain winbind separator!\n");
return *lp_winbind_separator();
}
- sep = response.data.info.winbind_separator;
+ sep = details->winbind_separator;
+
+ wbcFreeMemory(details);
+
got_sep = True;
if (!sep) {
- d_printf("winbind separator was NULL!\n");
+ d_fprintf(stderr, "winbind separator was NULL!\n");
return *lp_winbind_separator();
}
const char *get_winbind_domain(void)
{
- struct winbindd_response response;
+ struct wbcInterfaceDetails *details;
+ wbcErr ret;
static fstring winbind_domain;
if (*winbind_domain) {
return winbind_domain;
}
- ZERO_STRUCT(response);
-
/* Send off request */
- if (winbindd_request_response(WINBINDD_DOMAIN_NAME, NULL, &response) !=
- NSS_STATUS_SUCCESS) {
- DEBUG(0, ("could not obtain winbind domain name!\n"));
+ ret = wbcInterfaceDetails(&details);
+ if (!WBC_ERROR_IS_OK(ret)) {
+ DEBUG(1, ("could not obtain winbind domain name!\n"));
return lp_workgroup();
}
- fstrcpy(winbind_domain, response.data.domain_name);
+ fstrcpy(winbind_domain, details->netbios_domain);
+
+ wbcFreeMemory(details);
return winbind_domain;
/* Send off request */
- if (winbindd_request_response(WINBINDD_NETBIOS_NAME, NULL, &response) !=
+ if (winbindd_request_response(NULL, WINBINDD_NETBIOS_NAME, NULL, &response) !=
NSS_STATUS_SUCCESS) {
- DEBUG(0, ("could not obtain winbind netbios name!\n"));
- return global_myname();
+ DEBUG(1, ("could not obtain winbind netbios name!\n"));
+ return lp_netbios_name();
}
fstrcpy(winbind_netbios_name, response.data.netbios_name);
fstrcpy(user, p+1);
fstrcpy(domain, domuser);
domain[PTR_DIFF(p, domuser)] = 0;
- strupper_m(domain);
-
- return True;
+ return strupper_m(domain);
}
static bool get_require_membership_sid(void) {
if (!parse_ntlm_auth_domain_user(require_membership_of,
request.data.name.dom_name,
request.data.name.name)) {
- DEBUG(0, ("Could not parse %s into seperate domain/name parts!\n",
+ DEBUG(0, ("Could not parse %s into separate domain/name parts!\n",
require_membership_of));
return False;
}
- if (winbindd_request_response(WINBINDD_LOOKUPNAME, &request, &response) !=
+ if (winbindd_request_response(NULL, WINBINDD_LOOKUPNAME, &request, &response) !=
NSS_STATUS_SUCCESS) {
DEBUG(0, ("Winbindd lookupname failed to resolve %s into a SID!\n",
require_membership_of));
int get_pam_winbind_config()
{
int ctrl = 0;
- dictionary *d = NULL;
+ struct tiniparser_dictionary *d = NULL;
if (!opt_pam_winbind_conf || !*opt_pam_winbind_conf) {
opt_pam_winbind_conf = PAM_WINBIND_CONFIG_FILE;
}
- d = iniparser_load(CONST_DISCARD(char *, opt_pam_winbind_conf));
+ d = tiniparser_load(opt_pam_winbind_conf);
if (!d) {
return 0;
}
- if (iniparser_getboolean(d, CONST_DISCARD(char *, "global:krb5_auth"), false)) {
+ if (tiniparser_getboolean(d, "global:krb5_auth", false)) {
ctrl |= WINBIND_KRB5_AUTH;
}
- iniparser_freedict(d);
+ tiniparser_freedict(d);
return ctrl;
}
sizeof(request.data.auth.require_membership_of_sid));
}
- result = winbindd_request_response(WINBINDD_PAM_AUTH, &request, &response);
+ if (offline_logon) {
+ request.flags |= WBFLAG_PAM_CACHED_LOGIN;
+ }
+
+ result = winbindd_request_response(NULL, 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_fprintf(stderr, "Reading winbind reply failed! (0x01)\n");
}
d_printf("%s: %s (0x%x)\n",
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],
+ uint32_t flags,
+ uint32_t extra_logon_parameters,
+ uint8_t lm_key[8],
+ uint8_t user_session_key[16],
+ uint8_t *pauthoritative,
char **error_string,
char **unix_name)
{
struct winbindd_request request;
struct winbindd_response response;
+ *pauthoritative = 1;
+
if (!get_require_membership_sid()) {
return NT_STATUS_INVALID_PARAMETER;
}
request.flags = flags;
- request.data.auth_crap.logon_parameters = MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT | MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT;
+ 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);
request.data.auth_crap.nt_resp_len = nt_response->length;
}
- result = winbindd_request_response(WINBINDD_PAM_AUTH_CRAP, &request, &response);
+ result = winbindd_request_response(NULL, WINBINDD_PAM_AUTH_CRAP, &request, &response);
SAFE_FREE(request.extra_data.data);
/* Display response */
if (!NT_STATUS_IS_OK(nt_status)) {
if (error_string)
*error_string = smb_xstrdup(response.data.auth.error_string);
+ *pauthoritative = response.data.auth.authoritative;
winbindd_free_response(&response);
return nt_status;
}
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);
+ result = winbindd_request_response(NULL, WINBINDD_PAM_CHNG_PSWD_AUTH_CRAP, &request, &response);
/* Display response */
return nt_status;
}
-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 NTSTATUS ntlm_auth_generate_session_info(struct auth4_context *auth_context,
+ TALLOC_CTX *mem_ctx,
+ void *server_returned_info,
+ const char *original_user_name,
+ uint32_t session_info_flags,
+ struct auth_session_info **session_info_out)
{
- static const char zeros[16] = { 0, };
- NTSTATUS nt_status;
- char *error_string = NULL;
- uint8 lm_key[8];
- uint8 user_sess_key[16];
- char *unix_name = NULL;
-
- nt_status = contact_winbind_auth_crap(ntlmssp_state->user, ntlmssp_state->domain,
- ntlmssp_state->client.netbios_name,
- &ntlmssp_state->chal,
- &ntlmssp_state->lm_resp,
- &ntlmssp_state->nt_resp,
- WBFLAG_PAM_LMKEY | WBFLAG_PAM_USER_SESSION_KEY | WBFLAG_PAM_UNIX_NAME,
- lm_key, user_sess_key,
- &error_string, &unix_name);
-
- if (NT_STATUS_IS_OK(nt_status)) {
- if (memcmp(lm_key, zeros, 8) != 0) {
- *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);
- }
+ const char *unix_username = (const char *)server_returned_info;
+ bool ok;
+ struct dom_sid *sids = NULL;
+ struct auth_session_info *session_info = NULL;
- if (memcmp(user_sess_key, zeros, 16) != 0) {
- *user_session_key = data_blob_talloc(mem_ctx, user_sess_key, 16);
- }
- 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->client.netbios_name,
- error_string ? error_string : "unknown error (NULL)"));
- ntlmssp_state->callback_private = NULL;
+ session_info = talloc_zero(mem_ctx, struct auth_session_info);
+ if (session_info == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
- SAFE_FREE(error_string);
- SAFE_FREE(unix_name);
- return nt_status;
-}
-
-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;
- struct samr_Password lm_pw, nt_pw;
-
- nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
-
- nt_status = ntlm_password_check(mem_ctx,
- true, true, 0,
- &ntlmssp_state->chal,
- &ntlmssp_state->lm_resp,
- &ntlmssp_state->nt_resp,
- ntlmssp_state->user,
- ntlmssp_state->user,
- ntlmssp_state->domain,
- &lm_pw, &nt_pw, user_session_key, lm_session_key);
-
- if (NT_STATUS_IS_OK(nt_status)) {
- 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->client.netbios_name,
- nt_errstr(nt_status)));
- ntlmssp_state->callback_private = NULL;
+ session_info->unix_info = talloc_zero(session_info, struct auth_user_info_unix);
+ if (session_info->unix_info == NULL) {
+ TALLOC_FREE(session_info);
+ return NT_STATUS_NO_MEMORY;
}
- return nt_status;
-}
-
-static NTSTATUS ntlm_auth_start_ntlmssp_client(struct ntlmssp_state **client_ntlmssp_state)
-{
- 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;
+ 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;
}
- status = ntlmssp_client_start(NULL,
- global_myname(),
- 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)));
- TALLOC_FREE(*client_ntlmssp_state);
- return status;
+ 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;
}
- 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;
+ sids = talloc_zero_array(session_info->security_token,
+ struct dom_sid, 3);
+ if (sids == NULL) {
+ TALLOC_FREE(session_info);
+ return NT_STATUS_NO_MEMORY;
}
-
- status = ntlmssp_set_domain(*client_ntlmssp_state, opt_domain);
-
- if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not set domain: %s\n",
- nt_errstr(status)));
- TALLOC_FREE(*client_ntlmssp_state);
- return status;
+ ok = dom_sid_parse(SID_WORLD, &sids[0]);
+ if (!ok) {
+ TALLOC_FREE(session_info);
+ return NT_STATUS_INTERNAL_ERROR;
}
-
- 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)));
- TALLOC_FREE(*client_ntlmssp_state);
- return status;
- }
+ 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;
}
- return NT_STATUS_OK;
-}
+ session_info->security_token->num_sids = talloc_array_length(sids);
+ session_info->security_token->sids = sids;
-static NTSTATUS ntlm_auth_start_ntlmssp_server(struct ntlmssp_state **ntlmssp_state)
-{
- NTSTATUS status;
- const char *netbios_name;
- const char *netbios_domain;
- const char *dns_name;
- char *dns_domain;
- bool is_standalone = false;
+ *session_info_out = session_info;
- if (opt_password) {
- netbios_name = global_myname();
- 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)));
- return status;
- }
-
- /* Have we been given a local password, or should we ask winbind? */
- if (opt_password) {
- (*ntlmssp_state)->check_password = local_pw_check;
- } else {
- (*ntlmssp_state)->check_password = winbind_pw_check;
- }
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)
+static NTSTATUS ntlm_auth_generate_session_info_pac(struct auth4_context *auth_ctx,
+ TALLOC_CTX *mem_ctx,
+ struct smb_krb5_context *smb_krb5_context,
+ DATA_BLOB *pac_blob,
+ const char *princ_name,
+ const struct tsocket_address *remote_address,
+ uint32_t session_info_flags,
+ struct auth_session_info **session_info)
{
- 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();
+ TALLOC_CTX *tmp_ctx;
+ struct PAC_LOGON_INFO *logon_info = NULL;
+ char *unixuser;
+ NTSTATUS status;
+ char *domain = NULL;
+ char *realm = NULL;
+ char *user = NULL;
+ char *p;
- if (ctrl | WINBIND_KRB5_AUTH) {
- wb_request.flags |= WBFLAG_PAM_CONTACT_TRUSTDOM;
+ tmp_ctx = talloc_new(mem_ctx);
+ if (!tmp_ctx) {
+ return NT_STATUS_NO_MEMORY;
}
- 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;
+ if (pac_blob) {
+#ifdef HAVE_KRB5
+ status = kerberos_pac_logon_info(tmp_ctx, *pac_blob, NULL, NULL,
+ NULL, NULL, 0, &logon_info);
+#else
+ status = NT_STATUS_ACCESS_DENIED;
+#endif
+ if (!NT_STATUS_IS_OK(status)) {
+ goto done;
}
-
- memcpy(wb_request.extra_data.data, initial_msg.data, initial_msg.length);
- memcpy(wb_request.extra_data.data + initial_msg.length,
- challenge_msg.data, challenge_msg.length);
}
- result = winbindd_request_response(WINBINDD_CCACHE_NTLMAUTH, &wb_request, &wb_response);
- SAFE_FREE(wb_request.extra_data.data);
-
- if (result != NSS_STATUS_SUCCESS) {
- winbindd_free_response(&wb_response);
- return NT_STATUS_UNSUCCESSFUL;
- }
+ DEBUG(3, ("Kerberos ticket principal name is [%s]\n", princ_name));
- 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;
- }
+ p = strchr_m(princ_name, '@');
+ if (!p) {
+ DEBUG(3, ("[%s] Doesn't look like a valid principal\n",
+ princ_name));
+ return NT_STATUS_LOGON_FAILURE;
}
- winbindd_free_response(&wb_response);
- return NT_STATUS_MORE_PROCESSING_REQUIRED;
-}
-
-static void manage_squid_ntlmssp_request(struct ntlm_auth_state *state,
- char *buf, int length)
-{
- DATA_BLOB request, reply;
- NTSTATUS nt_status;
-
- if (strlen(buf) < 2) {
- DEBUG(1, ("NTLMSSP query [%s] invalid\n", buf));
- x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
- return;
+ user = talloc_strndup(mem_ctx, princ_name, p - princ_name);
+ if (!user) {
+ return NT_STATUS_NO_MEMORY;
}
- if (strlen(buf) > 3) {
- if(strncmp(buf, "SF ", 3) == 0){
- DEBUG(10, ("Setting flags to negotioate\n"));
- TALLOC_FREE(state->want_feature_list);
- state->want_feature_list = talloc_strdup(state->mem_ctx,
- buf+3);
- x_fprintf(x_stdout, "OK\n");
- return;
- }
- request = base64_decode_data_blob(buf + 3);
- } else {
- request = data_blob_null;
+ realm = talloc_strdup(talloc_tos(), p + 1);
+ if (!realm) {
+ return NT_STATUS_NO_MEMORY;
}
- if ((strncmp(buf, "PW ", 3) == 0)) {
- /* The calling application wants us to use a local password
- * (rather than winbindd) */
-
- 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;
+ if (!strequal(realm, lp_realm())) {
+ DEBUG(3, ("Ticket for foreign realm %s@%s\n", user, realm));
+ if (!lp_allow_trusted_domains()) {
+ return NT_STATUS_LOGON_FAILURE;
}
-
- x_fprintf(x_stdout, "OK\n");
- data_blob_free(&request);
- return;
}
- if (strncmp(buf, "YR", 2) == 0) {
- 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"));
-
- if (state->svr_state == SERVER_FINISHED) {
- x_fprintf(x_stdout, "GF 0x%08x\n", state->neg_flags);
- }
- else {
- x_fprintf(x_stdout, "BH\n");
- }
- data_blob_free(&request);
- return;
- } else if (strncmp(buf, "GK", 2) == 0) {
- DEBUG(10, ("Requested NTLMSSP session key\n"));
- if(state->have_session_key) {
- char *key64 = base64_encode_data_blob(state->mem_ctx,
- state->session_key);
- x_fprintf(x_stdout, "GK %s\n", key64?key64:"<NULL>");
- TALLOC_FREE(key64);
- } else {
- x_fprintf(x_stdout, "BH\n");
- }
-
- data_blob_free(&request);
- return;
- } else {
- DEBUG(1, ("NTLMSSP query [%s] invalid\n", buf));
- x_fprintf(x_stdout, "BH NTLMSSP query invalid\n");
- return;
- }
-
- if (!state->ntlmssp_state) {
- nt_status = ntlm_auth_start_ntlmssp_server(
- &state->ntlmssp_state);
- if (!NT_STATUS_IS_OK(nt_status)) {
- x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
- return;
- }
- ntlmssp_want_feature_list(state->ntlmssp_state,
- state->want_feature_list);
- }
-
- DEBUG(10, ("got NTLMSSP packet:\n"));
- dump_data(10, request.data, request.length);
-
- 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);
- x_fprintf(x_stdout, "TT %s\n", reply_base64);
- TALLOC_FREE(reply_base64);
- data_blob_free(&reply);
- state->svr_state = SERVER_CHALLENGE;
- DEBUG(10, ("NTLMSSP challenge\n"));
- } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
- x_fprintf(x_stdout, "BH %s\n", nt_errstr(nt_status));
- DEBUG(0, ("NTLMSSP BH: %s\n", nt_errstr(nt_status)));
-
- TALLOC_FREE(state->ntlmssp_state);
- } else if (!NT_STATUS_IS_OK(nt_status)) {
- x_fprintf(x_stdout, "NA %s\n", nt_errstr(nt_status));
- DEBUG(10, ("NTLMSSP %s\n", nt_errstr(nt_status)));
- } else {
- x_fprintf(x_stdout, "AF %s\n",
- (char *)state->ntlmssp_state->callback_private);
- DEBUG(10, ("NTLMSSP OK!\n"));
-
- if(state->have_session_key)
- data_blob_free(&state->session_key);
- state->session_key = data_blob(
- state->ntlmssp_state->session_key.data,
- state->ntlmssp_state->session_key.length);
- state->neg_flags = state->ntlmssp_state->neg_flags;
- state->have_session_key = true;
- state->svr_state = SERVER_FINISHED;
- }
-
- data_blob_free(&request);
-}
-
-static void manage_client_ntlmssp_request(struct ntlm_auth_state *state,
- char *buf, int length)
-{
- 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;
+ if (logon_info && logon_info->info3.base.logon_domain.string) {
+ domain = talloc_strdup(mem_ctx,
+ logon_info->info3.base.logon_domain.string);
+ if (!domain) {
+ return NT_STATUS_NO_MEMORY;
}
- request = base64_decode_data_blob(buf + 3);
+ DEBUG(10, ("Domain is [%s] (using PAC)\n", domain));
} 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 we have winbind running, we can (and must) shorten the
+ username by using the short netbios name. Otherwise we will
+ have inconsistent user names. With Kerberos, we get the
+ fully qualified realm, with ntlmssp we get the short
+ name. And even w2k3 does use ntlmssp if you for example
+ connect to an ip address. */
- 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;
- }
+ wbcErr wbc_status;
+ struct wbcDomainInfo *info = NULL;
- if (!state->ntlmssp_state && use_cached_creds) {
- /* check whether cached credentials are usable. */
- DATA_BLOB empty_blob = data_blob_null;
+ DEBUG(10, ("Mapping [%s] to short name using winbindd\n",
+ realm));
- nt_status = do_ccache_ntlm_auth(empty_blob, empty_blob, NULL);
- if (!NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- /* failed to use cached creds */
- use_cached_creds = False;
- }
- }
-
- if (opt_password == NULL && !use_cached_creds) {
- /* Request a password from the calling process. After
- sending it, the calling process should retry asking for the
- negotiate. */
-
- DEBUG(10, ("Requesting password\n"));
- x_fprintf(x_stdout, "PW\n");
- return;
- }
+ wbc_status = wbcDomainInfo(realm, &info);
- 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");
+ if (WBC_ERROR_IS_OK(wbc_status)) {
+ domain = talloc_strdup(mem_ctx,
+ info->short_name);
+ wbcFreeMemory(info);
+ } else {
+ DEBUG(3, ("Could not find short name: %s\n",
+ wbcErrorString(wbc_status)));
+ domain = talloc_strdup(mem_ctx, realm);
}
-
- 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;
+ if (!domain) {
+ return NT_STATUS_NO_MEMORY;
}
- ntlmssp_want_feature_list(state->ntlmssp_state,
- state->want_feature_list);
- state->initial_message = data_blob_null;
+ DEBUG(10, ("Domain is [%s] (using Winbind)\n", domain));
}
- 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);
+ unixuser = talloc_asprintf(tmp_ctx, "%s%c%s", domain, winbind_separator(), user);
+ if (!unixuser) {
+ status = NT_STATUS_NO_MEMORY;
+ goto done;
}
- 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);
- }
+ status = ntlm_auth_generate_session_info(auth_ctx, mem_ctx, unixuser, NULL, session_info_flags, session_info);
- data_blob_free(&request);
+done:
+ TALLOC_FREE(tmp_ctx);
+ return status;
}
-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"));
- x_fprintf(x_stdout, "ERR\n");
- return;
- }
- *pass='\0';
- pass++;
-
- 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 {
- x_fprintf(x_stdout, "ERR\n");
- }
-}
-static void offer_gss_spnego_mechs(void) {
-
- DATA_BLOB token;
- struct spnego_data spnego;
- ssize_t len;
- char *reply_base64;
- TALLOC_CTX *ctx = talloc_tos();
- char *principal;
- char *myname_lower;
-
- ZERO_STRUCT(spnego);
-
- myname_lower = talloc_strdup(ctx, global_myname());
- if (!myname_lower) {
- return;
- }
- strlower_m(myname_lower);
-
- 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 = talloc_array(ctx, const char *, 3);
-#ifdef HAVE_KRB5
- spnego.negTokenInit.mechTypes[0] = talloc_strdup(ctx, OID_KERBEROS5_OLD);
- spnego.negTokenInit.mechTypes[1] = talloc_strdup(ctx, OID_NTLMSSP);
- spnego.negTokenInit.mechTypes[2] = NULL;
-#else
- spnego.negTokenInit.mechTypes[0] = talloc_strdup(ctx, OID_NTLMSSP);
- spnego.negTokenInit.mechTypes[1] = NULL;
-#endif
-
-
- spnego.negTokenInit.mechListMIC = data_blob_talloc(ctx, principal,
- strlen(principal));
-
- 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 Could not write SPNEGO data blob\n");
- return;
- }
-
- reply_base64 = base64_encode_data_blob(talloc_tos(), token);
- x_fprintf(x_stdout, "TT %s *\n", reply_base64);
-
- TALLOC_FREE(reply_base64);
- data_blob_free(&token);
- DEBUG(10, ("sent SPNEGO negTokenInit\n"));
- return;
-}
+/**
+ * Return the challenge as determined by the authentication subsystem
+ * @return an 8 byte random challenge
+ */
-static void manage_gss_spnego_request(struct ntlm_auth_state *state,
- char *buf, int length)
+static NTSTATUS ntlm_auth_get_challenge(struct auth4_context *auth_ctx,
+ uint8_t chal[8])
{
- static struct ntlmssp_state *ntlmssp_state = NULL;
- struct spnego_data request, response;
- DATA_BLOB token;
- NTSTATUS status;
- ssize_t len;
- TALLOC_CTX *ctx = talloc_tos();
-
- char *user = NULL;
- char *domain = NULL;
-
- const char *reply_code;
- char *reply_base64;
- char *reply_argument = NULL;
-
- if (strlen(buf) < 2) {
- DEBUG(1, ("SPENGO query [%s] invalid\n", buf));
- x_fprintf(x_stdout, "BH SPENGO query invalid\n");
- return;
+ if (auth_ctx->challenge.data.length == 8) {
+ DEBUG(5, ("auth_get_challenge: returning previous challenge by module %s (normal)\n",
+ auth_ctx->challenge.set_by));
+ memcpy(chal, auth_ctx->challenge.data.data, 8);
+ return NT_STATUS_OK;
}
- if (strncmp(buf, "YR", 2) == 0) {
- TALLOC_FREE(ntlmssp_state);
- } else if (strncmp(buf, "KK", 2) == 0) {
- ;
- } else {
- DEBUG(1, ("SPENGO query [%s] invalid\n", buf));
- x_fprintf(x_stdout, "BH SPENGO query invalid\n");
- return;
- }
-
- if ( (strlen(buf) == 2)) {
-
- /* no client data, get the negTokenInit offering
- mechanisms */
-
- offer_gss_spnego_mechs();
- return;
- }
-
- /* All subsequent requests have a blob. This might be negTokenInit or negTokenTarg */
-
- if (strlen(buf) <= 3) {
- DEBUG(1, ("GSS-SPNEGO query [%s] invalid\n", buf));
- x_fprintf(x_stdout, "BH GSS-SPNEGO query invalid\n");
- return;
- }
-
- token = base64_decode_data_blob(buf + 3);
- len = spnego_read_data(ctx, token, &request);
- data_blob_free(&token);
-
- if (len == -1) {
- 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) {
-
- /* 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\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) {
-
- if ( request.negTokenInit.mechToken.data == NULL ) {
- DEBUG(1, ("Client did not provide NTLMSSP data\n"));
- x_fprintf(x_stdout, "BH Client did not provide "
- "NTLMSSP data\n");
- return;
- }
-
- if ( ntlmssp_state != NULL ) {
- DEBUG(1, ("Client wants a new NTLMSSP challenge, but "
- "already got one\n"));
- x_fprintf(x_stdout, "BH Client wants a new "
- "NTLMSSP challenge, but "
- "already got one\n");
- TALLOC_FREE(ntlmssp_state);
- return;
- }
-
- if (!NT_STATUS_IS_OK(status = ntlm_auth_start_ntlmssp_server(&ntlmssp_state))) {
- 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 = talloc_strdup(ctx, OID_NTLMSSP);
- response.negTokenTarg.mechListMIC = data_blob_talloc(ctx, NULL, 0);
-
- 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;
- struct PAC_LOGON_INFO *logon_info = NULL;
-
- if ( request.negTokenInit.mechToken.data == NULL ) {
- DEBUG(1, ("Client did not provide Kerberos data\n"));
- x_fprintf(x_stdout, "BH Client did not provide "
- "Kerberos data\n");
- return;
- }
-
- response.type = SPNEGO_NEG_TOKEN_TARG;
- response.negTokenTarg.supportedMech = talloc_strdup(ctx, OID_KERBEROS5_OLD);
- response.negTokenTarg.mechListMIC = data_blob_talloc(ctx, NULL, 0);
- response.negTokenTarg.responseToken = data_blob_talloc(ctx, NULL, 0);
-
- status = ads_verify_ticket(mem_ctx, lp_realm(), 0,
- &request.negTokenInit.mechToken,
- &principal, &logon_info, &ap_rep,
- &session_key, True);
-
- /* Now in "principal" we have the name we are
- authenticated as. */
-
- if (NT_STATUS_IS_OK(status)) {
-
- domain = strchr_m(principal, '@');
+ if (!auth_ctx->challenge.set_by) {
+ generate_random_buffer(chal, 8);
- 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;
- }
+ auth_ctx->challenge.data = data_blob_talloc(auth_ctx, chal, 8);
+ NT_STATUS_HAVE_NO_MEMORY(auth_ctx->challenge.data.data);
+ auth_ctx->challenge.set_by = "random";
+ }
- *domain++ = '\0';
- domain = SMB_STRDUP(domain);
- user = SMB_STRDUP(principal);
+ DEBUG(10,("auth_get_challenge: challenge set by %s\n",
+ auth_ctx->challenge.set_by));
- data_blob_free(&ap_rep);
- }
+ return NT_STATUS_OK;
+}
- TALLOC_FREE(mem_ctx);
- }
-#endif
+/**
+ * NTLM2 authentication modifies the effective challenge,
+ * @param challenge The new challenge value
+ */
+static NTSTATUS ntlm_auth_set_challenge(struct auth4_context *auth_ctx, const uint8_t chal[8], const char *set_by)
+{
+ auth_ctx->challenge.set_by = talloc_strdup(auth_ctx, set_by);
+ NT_STATUS_HAVE_NO_MEMORY(auth_ctx->challenge.set_by);
- } else {
+ auth_ctx->challenge.data = data_blob_talloc(auth_ctx, chal, 8);
+ NT_STATUS_HAVE_NO_MEMORY(auth_ctx->challenge.data.data);
- 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 Got a negTokenTarg for "
- "something non-NTLMSSP\n");
- return;
- }
+ return NT_STATUS_OK;
+}
- if (request.negTokenTarg.responseToken.data == NULL) {
- DEBUG(1, ("Got a negTokenTarg without a responseToken!\n"));
- x_fprintf(x_stdout, "BH Got a negTokenTarg without a "
- "responseToken!\n");
- return;
- }
+/**
+ * Check the password on an NTLMSSP login.
+ *
+ * Return the session keys used on the connection.
+ */
- status = ntlmssp_update(ntlmssp_state,
- request.negTokenTarg.responseToken,
- &response.negTokenTarg.responseToken);
+static NTSTATUS winbind_pw_check(struct auth4_context *auth4_context,
+ TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info,
+ uint8_t *pauthoritative,
+ void **server_returned_info,
+ DATA_BLOB *session_key, DATA_BLOB *lm_session_key)
+{
+ NTSTATUS nt_status;
+ char *error_string = NULL;
+ uint8_t lm_key[8];
+ uint8_t user_sess_key[16];
+ char *unix_name = NULL;
- response.type = SPNEGO_NEG_TOKEN_TARG;
- response.negTokenTarg.supportedMech = talloc_strdup(ctx, OID_NTLMSSP);
- response.negTokenTarg.mechListMIC = data_blob_talloc(ctx, NULL, 0);
+ nt_status = contact_winbind_auth_crap(user_info->client.account_name, user_info->client.domain_name,
+ user_info->workstation_name,
+ &auth4_context->challenge.data,
+ &user_info->password.response.lanman,
+ &user_info->password.response.nt,
+ WBFLAG_PAM_LMKEY | WBFLAG_PAM_USER_SESSION_KEY | WBFLAG_PAM_UNIX_NAME,
+ 0,
+ lm_key, user_sess_key,
+ pauthoritative,
+ &error_string, &unix_name);
- if (NT_STATUS_IS_OK(status)) {
- user = SMB_STRDUP(ntlmssp_state->user);
- domain = SMB_STRDUP(ntlmssp_state->domain);
- TALLOC_FREE(ntlmssp_state);
+ if (NT_STATUS_IS_OK(nt_status)) {
+ if (!all_zero(lm_key, 8)) {
+ *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);
}
- }
- spnego_free_data(&request);
-
- if (NT_STATUS_IS_OK(status)) {
- response.negTokenTarg.negResult = SPNEGO_ACCEPT_COMPLETED;
- reply_code = "AF";
- reply_argument = talloc_asprintf(ctx, "%s\\%s", domain, user);
- } else if (NT_STATUS_EQUAL(status,
- NT_STATUS_MORE_PROCESSING_REQUIRED)) {
- response.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
- reply_code = "TT";
- reply_argument = talloc_strdup(ctx, "*");
+ if (!all_zero(user_sess_key, 16)) {
+ *session_key = data_blob_talloc(mem_ctx, user_sess_key, 16);
+ }
+ *server_returned_info = talloc_strdup(mem_ctx,
+ unix_name);
} else {
- response.negTokenTarg.negResult = SPNEGO_REJECT;
- reply_code = "NA";
- reply_argument = talloc_strdup(ctx, nt_errstr(status));
- }
-
- if (!reply_argument) {
- DEBUG(1, ("Could not write SPNEGO data blob\n"));
- x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
- return;
+ DEBUG(NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED) ? 0 : 3,
+ ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
+ user_info->client.domain_name, user_info->client.account_name,
+ user_info->workstation_name,
+ error_string ? error_string : "unknown error (NULL)"));
}
- SAFE_FREE(user);
- SAFE_FREE(domain);
-
- len = spnego_write_data(ctx, &token, &response);
- spnego_free_data(&response);
+ SAFE_FREE(error_string);
+ SAFE_FREE(unix_name);
+ return nt_status;
+}
- if (len == -1) {
- DEBUG(1, ("Could not write SPNEGO data blob\n"));
- x_fprintf(x_stdout, "BH Could not write SPNEGO data blob\n");
- return;
- }
+static NTSTATUS local_pw_check(struct auth4_context *auth4_context,
+ TALLOC_CTX *mem_ctx,
+ const struct auth_usersupplied_info *user_info,
+ uint8_t *pauthoritative,
+ void **server_returned_info,
+ DATA_BLOB *session_key, DATA_BLOB *lm_session_key)
+{
+ NTSTATUS nt_status;
+ struct samr_Password lm_pw, nt_pw;
- reply_base64 = base64_encode_data_blob(talloc_tos(), token);
+ nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
- x_fprintf(x_stdout, "%s %s %s\n",
- reply_code, reply_base64, reply_argument);
+ *pauthoritative = 1;
- TALLOC_FREE(reply_base64);
- data_blob_free(&token);
+ nt_status = ntlm_password_check(mem_ctx,
+ true, true, 0,
+ &auth4_context->challenge.data,
+ &user_info->password.response.lanman,
+ &user_info->password.response.nt,
+ user_info->client.account_name,
+ user_info->client.account_name,
+ user_info->client.domain_name,
+ &lm_pw, &nt_pw, session_key, lm_session_key);
- return;
+ if (NT_STATUS_IS_OK(nt_status)) {
+ *server_returned_info = talloc_asprintf(mem_ctx,
+ "%s%c%s", user_info->client.domain_name,
+ *lp_winbind_separator(),
+ user_info->client.account_name);
+ } else {
+ DEBUG(3, ("Login for user [%s]\\[%s]@[%s] failed due to [%s]\n",
+ user_info->client.domain_name, user_info->client.account_name,
+ user_info->workstation_name,
+ nt_errstr(nt_status)));
+ }
+ return nt_status;
}
-static struct ntlmssp_state *client_ntlmssp_state = NULL;
-
-static bool manage_client_ntlmssp_init(struct spnego_data spnego)
+static NTSTATUS ntlm_auth_prepare_gensec_client(TALLOC_CTX *mem_ctx,
+ struct loadparm_context *lp_ctx,
+ struct gensec_security **gensec_security_out)
{
- 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();
+ 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;
- DEBUG(10, ("Got spnego negTokenInit with NTLMSSP\n"));
+ tmp_ctx = talloc_new(mem_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
- if (client_ntlmssp_state != NULL) {
- DEBUG(1, ("Request for initial SPNEGO request where "
- "we already have a state\n"));
- return False;
+ 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;
}
- 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;
- }
+ 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;
+
+ 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 (opt_password == NULL) {
+ backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_NTLMSSP);
- /* Request a password from the calling process. After
- sending it, the calling process should retry with
- the negTokenInit. */
+ backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_SPNEGO);
- DEBUG(10, ("Requesting password\n"));
- x_fprintf(x_stdout, "PW\n");
- return True;
+ nt_status = gensec_client_start(NULL, &gensec_security,
+ gensec_settings);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(tmp_ctx);
+ return nt_status;
}
- 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;
+ talloc_unlink(tmp_ctx, gensec_settings);
- status = ntlmssp_update(client_ntlmssp_state, null_blob,
- &spnego.negTokenInit.mechToken);
+ 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 ( !(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;
+ 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;
+ }
}
- spnego_write_data(ctx, &to_server, &spnego);
- data_blob_free(&spnego.negTokenInit.mechToken);
+ *gensec_security_out = talloc_steal(mem_ctx, gensec_security);
+ TALLOC_FREE(tmp_ctx);
+ return NT_STATUS_OK;
+}
- 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 struct auth4_context *make_auth4_context_ntlm_auth(TALLOC_CTX *mem_ctx, bool local_pw)
+{
+ struct auth4_context *auth4_context = talloc_zero(mem_ctx, struct auth4_context);
+ if (auth4_context == NULL) {
+ DEBUG(10, ("failed to allocate auth4_context failed\n"));
+ return NULL;
+ }
+ auth4_context->generate_session_info = ntlm_auth_generate_session_info;
+ auth4_context->generate_session_info_pac = ntlm_auth_generate_session_info_pac;
+ auth4_context->get_ntlm_challenge = ntlm_auth_get_challenge;
+ auth4_context->set_ntlm_challenge = ntlm_auth_set_challenge;
+ if (local_pw) {
+ auth4_context->check_ntlm_password = local_pw_check;
+ } else {
+ auth4_context->check_ntlm_password = winbind_pw_check;
+ }
+ auth4_context->private_data = NULL;
+ return auth4_context;
}
-static void manage_client_ntlmssp_targ(struct spnego_data spnego)
+static NTSTATUS ntlm_auth_prepare_gensec_server(TALLOC_CTX *mem_ctx,
+ struct loadparm_context *lp_ctx,
+ struct gensec_security **gensec_security_out)
{
- 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();
+ struct gensec_security *gensec_security;
+ NTSTATUS nt_status;
- DEBUG(10, ("Got spnego negTokenTarg with NTLMSSP\n"));
+ TALLOC_CTX *tmp_ctx;
+ const struct gensec_security_ops **backends;
+ struct gensec_settings *gensec_settings;
+ size_t idx = 0;
+ struct cli_credentials *server_credentials;
+
+ struct auth4_context *auth4_context;
+
+ tmp_ctx = talloc_new(mem_ctx);
+ NT_STATUS_HAVE_NO_MEMORY(tmp_ctx);
+
+ auth4_context = make_auth4_context_ntlm_auth(tmp_ctx, opt_password);
+ if (auth4_context == NULL) {
+ TALLOC_FREE(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ gensec_settings = lpcfg_gensec_settings(tmp_ctx, lp_ctx);
+ if (lp_ctx == NULL) {
+ DEBUG(10, ("lpcfg_gensec_settings failed\n"));
+ TALLOC_FREE(tmp_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ /*
+ * This should be a 'netbios domain -> DNS domain'
+ * mapping, and can currently validly return NULL on
+ * poorly configured systems.
+ *
+ * This is used for the NTLMSSP server
+ *
+ */
+ if (opt_password) {
+ gensec_settings->server_netbios_name = lp_netbios_name();
+ gensec_settings->server_netbios_domain = lp_workgroup();
+ } else {
+ gensec_settings->server_netbios_name = get_winbind_netbios_name();
+ gensec_settings->server_netbios_domain = get_winbind_domain();
+ }
+
+ gensec_settings->server_dns_domain = strlower_talloc(gensec_settings,
+ get_mydnsdomname(talloc_tos()));
+ gensec_settings->server_dns_name = strlower_talloc(gensec_settings,
+ get_mydnsfullname());
+
+ 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;
+
+ 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 (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;
- }
+ backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_NTLMSSP);
- if (spnego.negTokenTarg.negResult == SPNEGO_REJECT) {
- x_fprintf(x_stdout, "NA\n");
- TALLOC_FREE(client_ntlmssp_state);
- return;
- }
+ backends[idx++] = gensec_security_by_oid(NULL, GENSEC_OID_SPNEGO);
- if (spnego.negTokenTarg.negResult == SPNEGO_ACCEPT_COMPLETED) {
- x_fprintf(x_stdout, "AF\n");
- TALLOC_FREE(client_ntlmssp_state);
- return;
+ /*
+ * This is anonymous for now, because we just use it
+ * to set the kerberos state at the moment
+ */
+ server_credentials = cli_credentials_init_anon(tmp_ctx);
+ if (!server_credentials) {
+ DEBUG(0, ("auth_generic_prepare: Failed to init server credentials\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ cli_credentials_set_conf(server_credentials, lp_ctx);
+
+ if (lp_server_role() == ROLE_ACTIVE_DIRECTORY_DC || lp_security() == SEC_ADS || USE_KERBEROS_KEYTAB) {
+ cli_credentials_set_kerberos_state(server_credentials, CRED_AUTO_USE_KERBEROS);
+ } else {
+ cli_credentials_set_kerberos_state(server_credentials, CRED_DONT_USE_KERBEROS);
}
+
+ nt_status = gensec_server_start(tmp_ctx, gensec_settings,
+ auth4_context, &gensec_security);
+
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(tmp_ctx);
+ return nt_status;
+ }
+
+ gensec_set_credentials(gensec_security, server_credentials);
- 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 Expected MORE_PROCESSING_REQUIRED from "
- "ntlmssp_client_update\n");
- data_blob_free(&request);
- TALLOC_FREE(client_ntlmssp_state);
- return;
+ /*
+ * TODO: Allow the caller to pass their own description here
+ * via a command-line option
+ */
+ nt_status = gensec_set_target_service_description(gensec_security,
+ "ntlm_auth");
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ TALLOC_FREE(tmp_ctx);
+ return nt_status;
}
- spnego.type = SPNEGO_NEG_TOKEN_TARG;
- spnego.negTokenTarg.negResult = SPNEGO_ACCEPT_INCOMPLETE;
- spnego.negTokenTarg.supportedMech = (char *)OID_NTLMSSP;
- spnego.negTokenTarg.responseToken = request;
- spnego.negTokenTarg.mechListMIC = null_blob;
+ talloc_unlink(tmp_ctx, lp_ctx);
+ talloc_unlink(tmp_ctx, server_credentials);
+ talloc_unlink(tmp_ctx, gensec_settings);
+ talloc_unlink(tmp_ctx, auth4_context);
- spnego_write_data(ctx, &to_server, &spnego);
- data_blob_free(&request);
+ *gensec_security_out = talloc_steal(mem_ctx, gensec_security);
+ TALLOC_FREE(tmp_ctx);
+ return NT_STATUS_OK;
+}
- 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);
+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)
+{
+ manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
return;
}
-#ifdef HAVE_KRB5
-
-static bool manage_client_krb5_init(struct spnego_data spnego)
+static void manage_squid_basic_request(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state,
+ char *buf, int length, void **private2)
{
- char *principal;
- DATA_BLOB tkt, 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();
-
- if ( (spnego.negTokenInit.mechListMIC.data == NULL) ||
- (spnego.negTokenInit.mechListMIC.length == 0) ) {
- DEBUG(1, ("Did not get a principal for krb5\n"));
- return False;
+ char *user, *pass;
+ user=buf;
+
+ pass=(char *)memchr(buf,' ',length);
+ if (!pass) {
+ DEBUG(2, ("Password not found. Denying access\n"));
+ printf("ERR\n");
+ return;
}
+ *pass='\0';
+ pass++;
- principal = (char *)SMB_MALLOC(
- spnego.negTokenInit.mechListMIC.length+1);
+ if (state->helper_mode == SQUID_2_5_BASIC) {
+ rfc1738_unescape(user);
+ rfc1738_unescape(pass);
+ }
- if (principal == NULL) {
- DEBUG(1, ("Could not malloc principal\n"));
- return False;
+ if (check_plaintext_auth(user, pass, False)) {
+ printf("OK\n");
+ } else {
+ printf("ERR\n");
}
+}
+
+static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ char *buf, int length, void **private1)
+{
+ DATA_BLOB in;
+ DATA_BLOB out = data_blob(NULL, 0);
+ char *out_base64 = NULL;
+ const char *reply_arg = NULL;
+ struct gensec_ntlm_state {
+ struct gensec_security *gensec_state;
+ const char *set_password;
+ };
+ struct gensec_ntlm_state *state;
- memcpy(principal, spnego.negTokenInit.mechListMIC.data,
- spnego.negTokenInit.mechListMIC.length);
- principal[spnego.negTokenInit.mechListMIC.length] = '\0';
+ NTSTATUS nt_status;
+ bool first = false;
+ const char *reply_code;
+ struct cli_credentials *creds;
- retval = cli_krb5_get_ticket(ctx, principal, 0,
- &tkt, &session_key_krb5,
- 0, NULL, NULL, NULL);
- if (retval) {
- char *user = NULL;
+ static char *want_feature_list = NULL;
+ static DATA_BLOB session_key;
- /* Let's try to first get the TGT, for that we need a
- password. */
+ TALLOC_CTX *mem_ctx;
- if (opt_password == NULL) {
- DEBUG(10, ("Requesting password\n"));
- x_fprintf(x_stdout, "PW\n");
- return True;
- }
+ mem_ctx = talloc_named(NULL, 0, "manage_gensec_request internal mem_ctx");
- user = talloc_asprintf(talloc_tos(), "%s@%s", opt_username, opt_domain);
- if (!user) {
- return false;
+ if (*private1) {
+ state = (struct gensec_ntlm_state *)*private1;
+ } else {
+ state = talloc_zero(NULL, struct gensec_ntlm_state);
+ if (!state) {
+ printf("BH No Memory\n");
+ exit(1);
}
-
- if ((retval = kerberos_kinit_password(user, opt_password, 0, NULL))) {
- DEBUG(10, ("Requesting TGT failed: %s\n", error_message(retval)));
- return False;
+ *private1 = state;
+ if (opt_password) {
+ state->set_password = opt_password;
}
+ }
+
+ if (strlen(buf) < 2) {
+ DEBUG(1, ("query [%s] invalid", buf));
+ printf("BH Query invalid\n");
+ talloc_free(mem_ctx);
+ return;
+ }
- 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;
+ if (strlen(buf) > 3) {
+ if(strncmp(buf, "SF ", 3) == 0) {
+ DEBUG(10, ("Setting flags to negotiate\n"));
+ talloc_free(want_feature_list);
+ want_feature_list = talloc_strndup(state, buf+3, strlen(buf)-3);
+ printf("OK\n");
+ talloc_free(mem_ctx);
+ return;
}
+ in = base64_decode_data_blob_talloc(mem_ctx, buf + 3);
+ } else {
+ in = data_blob(NULL, 0);
}
- data_blob_free(&session_key_krb5);
+ if (strncmp(buf, "YR", 2) == 0) {
+ if (state->gensec_state) {
+ talloc_free(state->gensec_state);
+ state->gensec_state = NULL;
+ }
+ } else if ( (strncmp(buf, "OK", 2) == 0)) {
+ /* Just return BH, like ntlm_auth from Samba 3 does. */
+ printf("BH Command expected\n");
+ talloc_free(mem_ctx);
+ return;
+ } else if ( (strncmp(buf, "TT ", 3) != 0) &&
+ (strncmp(buf, "KK ", 3) != 0) &&
+ (strncmp(buf, "AF ", 3) != 0) &&
+ (strncmp(buf, "NA ", 3) != 0) &&
+ (strncmp(buf, "UG", 2) != 0) &&
+ (strncmp(buf, "PW ", 3) != 0) &&
+ (strncmp(buf, "GK", 2) != 0) &&
+ (strncmp(buf, "GF", 2) != 0)) {
+ DEBUG(1, ("SPNEGO request [%s] invalid prefix\n", buf));
+ printf("BH SPNEGO request invalid prefix\n");
+ talloc_free(mem_ctx);
+ return;
+ }
- ZERO_STRUCT(reply);
+ /* setup gensec */
+ 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 */
+
+ if (state->set_password != NULL) {
+ use_cached_creds = false;
+ }
- 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;
- reply.negTokenInit.mechListMIC = data_blob_null;
+ 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);
+ }
- len = spnego_write_data(ctx, &to_server, &reply);
- data_blob_free(&tkt);
+ nt_status = ntlm_auth_prepare_gensec_client(state, lp_ctx,
+ &state->gensec_state);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ printf("BH GENSEC mech failed to start: %s\n",
+ nt_errstr(nt_status));
+ talloc_free(mem_ctx);
+ return;
+ }
- if (len == -1) {
- DEBUG(1, ("Could not write SPNEGO data blob\n"));
- return False;
- }
+ creds = cli_credentials_init(state->gensec_state);
+ cli_credentials_set_conf(creds, lp_ctx);
+ if (opt_username) {
+ cli_credentials_set_username(creds, opt_username, CRED_SPECIFIED);
+ }
+ if (opt_domain) {
+ cli_credentials_set_domain(creds, opt_domain, CRED_SPECIFIED);
+ }
+ 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);
+ }
+ if (opt_workstation) {
+ cli_credentials_set_workstation(creds, opt_workstation, CRED_SPECIFIED);
+ }
- reply_base64 = base64_encode_data_blob(talloc_tos(), to_server);
- x_fprintf(x_stdout, "KK %s *\n", reply_base64);
+ gensec_set_credentials(state->gensec_state, creds);
- TALLOC_FREE(reply_base64);
- data_blob_free(&to_server);
- DEBUG(10, ("sent GSS-SPNEGO KERBEROS5 negTokenInit\n"));
- return True;
-}
+ break;
+ case GSS_SPNEGO_SERVER:
+ case SQUID_2_5_NTLMSSP:
+ {
+ nt_status = ntlm_auth_prepare_gensec_server(state, lp_ctx,
+ &state->gensec_state);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ printf("BH GENSEC mech failed to start: %s\n",
+ nt_errstr(nt_status));
+ talloc_free(mem_ctx);
+ return;
+ }
+ break;
+ }
+ default:
+ talloc_free(mem_ctx);
+ abort();
+ }
-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");
- }
-}
+ gensec_want_feature_list(state->gensec_state, want_feature_list);
-#endif
+ /* Session info is not complete, do not pass to auth log */
+ gensec_want_feature(state->gensec_state, GENSEC_FEATURE_NO_AUTHZ_LOG);
-static void manage_gss_spnego_client_request(struct ntlm_auth_state *state,
- char *buf, int length)
-{
- DATA_BLOB request;
- struct spnego_data spnego;
- ssize_t len;
- TALLOC_CTX *ctx = talloc_tos();
+ switch (stdio_helper_mode) {
+ case GSS_SPNEGO_CLIENT:
+ case GSS_SPNEGO_SERVER:
+ nt_status = gensec_start_mech_by_oid(state->gensec_state, GENSEC_OID_SPNEGO);
+ if (!in.length) {
+ first = true;
+ }
+ break;
+ case NTLMSSP_CLIENT_1:
+ if (!in.length) {
+ first = true;
+ }
+ /* fall through */
+ case SQUID_2_5_NTLMSSP:
+ nt_status = gensec_start_mech_by_oid(state->gensec_state, GENSEC_OID_NTLMSSP);
+ break;
+ default:
+ talloc_free(mem_ctx);
+ abort();
+ }
- if (!opt_username || !*opt_username) {
- x_fprintf(x_stderr, "username must be specified!\n\n");
- exit(1);
- }
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(1, ("GENSEC mech failed to start: %s\n", nt_errstr(nt_status)));
+ printf("BH GENSEC mech failed to start\n");
+ talloc_free(mem_ctx);
+ return;
+ }
- 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);
+ /* update */
if (strncmp(buf, "PW ", 3) == 0) {
+ state->set_password = talloc_strndup(state,
+ (const char *)in.data,
+ in.length);
+
+ cli_credentials_set_password(gensec_get_credentials(state->gensec_state),
+ state->set_password,
+ CRED_SPECIFIED);
+ printf("OK\n");
+ talloc_free(mem_ctx);
+ 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 Out of memory\n");
- data_blob_free(&request);
+ if (strncmp(buf, "GK", 2) == 0) {
+ char *base64_key;
+ DEBUG(10, ("Requested session key\n"));
+ nt_status = gensec_session_key(state->gensec_state, mem_ctx, &session_key);
+ if(!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(1, ("gensec_session_key failed: %s\n", nt_errstr(nt_status)));
+ printf("BH No session key\n");
+ talloc_free(mem_ctx);
return;
+ } else {
+ base64_key = base64_encode_data_blob(state, session_key);
+ SMB_ASSERT(base64_key != NULL);
+ printf("GK %s\n", base64_key);
+ talloc_free(base64_key);
}
-
- x_fprintf(x_stdout, "OK\n");
- data_blob_free(&request);
+ talloc_free(mem_ctx);
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;
- }
+ if (strncmp(buf, "GF", 2) == 0) {
+ uint32_t neg_flags;
- /* So we got a server challenge to generate a SPNEGO
- client-to-server request... */
+ DEBUG(10, ("Requested negotiated NTLMSSP feature flags\n"));
- len = spnego_read_data(ctx, request, &spnego);
- data_blob_free(&request);
+ neg_flags = gensec_ntlmssp_neg_flags(state->gensec_state);
+ if (neg_flags == 0) {
+ printf("BH\n");
+ talloc_free(mem_ctx);
+ return;
+ }
- 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");
+ printf("GF 0x%08x\n", neg_flags);
+ talloc_free(mem_ctx);
return;
}
- if (spnego.type == SPNEGO_NEG_TOKEN_INIT) {
+ nt_status = gensec_update(state->gensec_state, mem_ctx, in, &out);
- /* The server offers a list of mechanisms */
+ /* don't leak 'bad password'/'no such user' info to the network client */
+ nt_status = nt_status_squash(nt_status);
- const char **mechType = (const char **)spnego.negTokenInit.mechTypes;
-
- while (*mechType != NULL) {
+ if (out.length) {
+ out_base64 = base64_encode_data_blob(mem_ctx, out);
+ SMB_ASSERT(out_base64 != NULL);
+ } else {
+ out_base64 = 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 (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
+ reply_arg = "*";
+ if (first && state->gensec_state->gensec_role == GENSEC_CLIENT) {
+ reply_code = "YR";
+ } else if (state->gensec_state->gensec_role == GENSEC_CLIENT) {
+ reply_code = "KK";
+ } else if (state->gensec_state->gensec_role == GENSEC_SERVER) {
+ reply_code = "TT";
+ } else {
+ abort();
+ }
- if (strcmp(*mechType, OID_NTLMSSP) == 0) {
- if (manage_client_ntlmssp_init(spnego))
- goto out;
- }
- mechType++;
- }
+ } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_ACCESS_DENIED)) {
+ reply_code = "BH NT_STATUS_ACCESS_DENIED";
+ reply_arg = nt_errstr(nt_status);
+ DEBUG(1, ("GENSEC login failed: %s\n", nt_errstr(nt_status)));
+ } else if (NT_STATUS_EQUAL(nt_status, NT_STATUS_UNSUCCESSFUL)) {
+ reply_code = "BH NT_STATUS_UNSUCCESSFUL";
+ reply_arg = nt_errstr(nt_status);
+ DEBUG(1, ("GENSEC login failed: %s\n", nt_errstr(nt_status)));
+ } else if (!NT_STATUS_IS_OK(nt_status)) {
+ reply_code = "NA";
+ reply_arg = nt_errstr(nt_status);
+ DEBUG(1, ("GENSEC login failed: %s\n", nt_errstr(nt_status)));
+ } else if /* OK */ (state->gensec_state->gensec_role == GENSEC_SERVER) {
+ struct auth_session_info *session_info;
- DEBUG(1, ("Server offered no compatible mechanism\n"));
- x_fprintf(x_stdout, "BH Server offered no compatible mechanism\n");
- return;
- }
+ nt_status = gensec_session_info(state->gensec_state, mem_ctx, &session_info);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ reply_code = "BH Failed to retrive session info";
+ reply_arg = nt_errstr(nt_status);
+ DEBUG(1, ("GENSEC failed to retrieve the session info: %s\n", nt_errstr(nt_status)));
+ } else {
- 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");
+ reply_code = "AF";
+ reply_arg = talloc_strdup(state->gensec_state, session_info->unix_info->unix_name);
+ if (reply_arg == NULL) {
+ reply_code = "BH out of memory";
+ reply_arg = nt_errstr(NT_STATUS_NO_MEMORY);
}
-
- TALLOC_FREE(client_ntlmssp_state);
- goto out;
+ talloc_free(session_info);
}
+ } else if (state->gensec_state->gensec_role == GENSEC_CLIENT) {
+ reply_code = "AF";
+ reply_arg = out_base64;
+ } else {
+ abort();
+ }
- if (strcmp(spnego.negTokenTarg.supportedMech,
- OID_NTLMSSP) == 0) {
- manage_client_ntlmssp_targ(spnego);
- goto out;
+ switch (stdio_helper_mode) {
+ case GSS_SPNEGO_SERVER:
+ printf("%s %s %s\n", reply_code,
+ out_base64 ? out_base64 : "*",
+ reply_arg ? reply_arg : "*");
+ break;
+ default:
+ if (out_base64) {
+ printf("%s %s\n", reply_code, out_base64);
+ } else if (reply_arg) {
+ printf("%s %s\n", reply_code, reply_arg);
+ } else {
+ printf("%s\n", reply_code);
}
+ }
-#if HAVE_KRB5
- if (strcmp(spnego.negTokenTarg.supportedMech,
- OID_KERBEROS5_OLD) == 0) {
- manage_client_krb5_targ(spnego);
- goto out;
- }
-#endif
+ talloc_free(mem_ctx);
+ return;
+}
- }
+static void manage_gss_spnego_request(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state,
+ char *buf, int length, void **private2)
+{
+ manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
+ return;
+}
- 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");
+static void manage_squid_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)
+{
+ manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
return;
+}
- out:
- spnego_free_data(&spnego);
+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)
+{
+ manage_gensec_request(stdio_helper_mode, lp_ctx, buf, length, &state->gensec_private_1);
return;
}
-static void manage_ntlm_server_1_request(struct ntlm_auth_state *state,
- char *buf, int length)
+static void manage_ntlm_server_1_request(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state,
+ char *buf, int length, void **private2)
{
char *request, *parameter;
static DATA_BLOB challenge;
if (strequal(buf, ".")) {
if (!full_username && !username) {
- x_fprintf(x_stdout, "Error: No username supplied!\n");
+ printf("Error: No username supplied!\n");
} else if (plaintext_password) {
/* handle this request as plaintext */
if (!full_username) {
if (asprintf(&full_username, "%s%c%s", domain, winbind_separator(), username) == -1) {
- x_fprintf(x_stdout, "Error: Out of memory in asprintf!\n.\n");
+ printf("Error: Out of memory in "
+ "asprintf!\n.\n");
return;
}
}
if (check_plaintext_auth(full_username, plaintext_password, False)) {
- x_fprintf(x_stdout, "Authenticated: Yes\n");
+ printf("Authenticated: Yes\n");
} else {
- x_fprintf(x_stdout, "Authenticated: No\n");
+ printf("Authenticated: No\n");
}
} else if (!lm_response.data && !nt_response.data) {
- x_fprintf(x_stdout, "Error: No password supplied!\n");
+ printf("Error: No password supplied!\n");
} else if (!challenge.data) {
- x_fprintf(x_stdout, "Error: No lanman-challenge supplied!\n");
+ printf("Error: No lanman-challenge supplied!\n");
} else {
char *error_string = NULL;
uchar lm_key[8];
uchar user_session_key[16];
- uint32 flags = 0;
-
+ uint32_t flags = 0;
+ NTSTATUS nt_status;
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");
+ printf("Error: Could not parse into "
+ "domain and username\n");
}
SAFE_FREE(username);
SAFE_FREE(domain);
domain = smb_xstrdup(fstr_domain);
}
- if (!domain) {
- domain = smb_xstrdup(get_winbind_domain());
+ if (opt_password) {
+ DATA_BLOB nt_session_key, lm_session_key;
+ struct samr_Password lm_pw, nt_pw;
+ TALLOC_CTX *mem_ctx = talloc_new(NULL);
+ ZERO_STRUCT(user_session_key);
+ ZERO_STRUCT(lm_key);
+
+ nt_lm_owf_gen (opt_password, nt_pw.hash, lm_pw.hash);
+ nt_status = ntlm_password_check(mem_ctx,
+ true, true, 0,
+ &challenge,
+ &lm_response,
+ &nt_response,
+ username,
+ username,
+ domain,
+ &lm_pw, &nt_pw,
+ &nt_session_key,
+ &lm_session_key);
+ error_string = smb_xstrdup(get_friendly_nt_error_msg(nt_status));
+ if (ntlm_server_1_user_session_key) {
+ if (nt_session_key.length == sizeof(user_session_key)) {
+ memcpy(user_session_key,
+ nt_session_key.data,
+ sizeof(user_session_key));
+ }
+ }
+ if (ntlm_server_1_lm_session_key) {
+ if (lm_session_key.length == sizeof(lm_key)) {
+ memcpy(lm_key,
+ lm_session_key.data,
+ sizeof(lm_key));
+ }
+ }
+ TALLOC_FREE(mem_ctx);
+
+ } else {
+ uint8_t authoritative = 0;
+
+ if (!domain) {
+ domain = smb_xstrdup(get_winbind_domain());
+ }
+
+ if (ntlm_server_1_lm_session_key)
+ flags |= WBFLAG_PAM_LMKEY;
+
+ if (ntlm_server_1_user_session_key)
+ flags |= WBFLAG_PAM_USER_SESSION_KEY;
+
+ nt_status = contact_winbind_auth_crap(username,
+ domain,
+ lp_netbios_name(),
+ &challenge,
+ &lm_response,
+ &nt_response,
+ flags, 0,
+ lm_key,
+ user_session_key,
+ &authoritative,
+ &error_string,
+ NULL);
}
- 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(),
- &challenge,
- &lm_response,
- &nt_response,
- flags,
- lm_key,
- user_session_key,
- &error_string,
- NULL))) {
-
- x_fprintf(x_stdout, "Authenticated: No\n");
- x_fprintf(x_stdout, "Authentication-Error: %s\n.\n", error_string);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ printf("Authenticated: No\n");
+ printf("Authentication-Error: %s\n.\n",
+ error_string);
} else {
- static char zeros[16];
char *hex_lm_key;
char *hex_user_session_key;
- x_fprintf(x_stdout, "Authenticated: Yes\n");
+ printf("Authenticated: Yes\n");
if (ntlm_server_1_lm_session_key
- && (memcmp(zeros, lm_key,
- sizeof(lm_key)) != 0)) {
+ && (!all_zero(lm_key,
+ sizeof(lm_key)))) {
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);
+ printf("LANMAN-Session-Key: %s\n",
+ hex_lm_key);
TALLOC_FREE(hex_lm_key);
}
if (ntlm_server_1_user_session_key
- && (memcmp(zeros, user_session_key,
- sizeof(user_session_key)) != 0)) {
+ && (!all_zero(user_session_key,
+ sizeof(user_session_key)))) {
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);
+ printf("User-Session-Key: %s\n",
+ hex_user_session_key);
TALLOC_FREE(hex_user_session_key);
}
}
SAFE_FREE(plaintext_password);
ntlm_server_1_user_session_key = False;
ntlm_server_1_lm_session_key = False;
- x_fprintf(x_stdout, ".\n");
+ printf(".\n");
return;
}
if (!parameter) {
DEBUG(0, ("Parameter not found!\n"));
- x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
+ printf("Error: Parameter not found!\n.\n");
return;
}
if (strequal(request, "LANMAN-Challenge")) {
challenge = strhex_to_data_blob(NULL, parameter);
if (challenge.length != 8) {
- x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 8)\n.\n",
- parameter,
- (int)challenge.length);
+ printf("Error: hex decode of %s failed! "
+ "(got %d bytes, expected 8)\n.\n",
+ parameter,
+ (int)challenge.length);
challenge = data_blob_null;
}
} else if (strequal(request, "NT-Response")) {
nt_response = strhex_to_data_blob(NULL, parameter);
if (nt_response.length < 24) {
- x_fprintf(x_stdout, "Error: hex decode of %s failed! (only got %d bytes, needed at least 24)\n.\n",
- parameter,
- (int)nt_response.length);
+ printf("Error: hex decode of %s failed! "
+ "(only got %d bytes, needed at least 24)\n.\n",
+ parameter,
+ (int)nt_response.length);
nt_response = data_blob_null;
}
} else if (strequal(request, "LANMAN-Response")) {
lm_response = strhex_to_data_blob(NULL, parameter);
if (lm_response.length != 24) {
- x_fprintf(x_stdout, "Error: hex decode of %s failed! (got %d bytes, expected 24)\n.\n",
- parameter,
- (int)lm_response.length);
+ printf("Error: hex decode of %s failed! "
+ "(got %d bytes, expected 24)\n.\n",
+ parameter,
+ (int)lm_response.length);
lm_response = data_blob_null;
}
} else if (strequal(request, "Password")) {
} else if (strequal(request, "Request-LanMan-Session-Key")) {
ntlm_server_1_lm_session_key = strequal(parameter, "Yes");
} else {
- x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
+ printf("Error: Unknown request %s\n.\n", request);
}
}
-static void manage_ntlm_change_password_1_request(struct ntlm_auth_state *state,
- char *buf, int length)
+static void manage_ntlm_change_password_1_request(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state,
+ char *buf, int length, void **private2)
{
char *request, *parameter;
static DATA_BLOB new_nt_pswd;
}
if (!full_username && !username) {
- x_fprintf(x_stdout, "Error: No username supplied!\n");
+ printf("Error: No username supplied!\n");
} else if ((!new_nt_pswd.data || !old_nt_hash_enc.data) &&
(!new_lm_pswd.data || old_lm_hash_enc.data) ) {
- x_fprintf(x_stdout, "Error: No NT or LM password "
- "blobs supplied!\n");
+ printf("Error: No NT or LM password "
+ "blobs supplied!\n");
} else {
char *error_string = NULL;
/* 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");
+ printf("Error: Could not "
+ "parse into domain and "
+ "username\n");
SAFE_FREE(username);
username = smb_xstrdup(full_username);
} else {
new_lm_pswd,
old_lm_hash_enc,
&error_string))) {
- x_fprintf(x_stdout, "Password-Change: No\n");
- x_fprintf(x_stdout, "Password-Change-Error: "
- "%s\n.\n", error_string);
+ printf("Password-Change: No\n");
+ printf("Password-Change-Error: %s\n.\n",
+ error_string);
} else {
- x_fprintf(x_stdout, "Password-Change: Yes\n");
+ printf("Password-Change: Yes\n");
}
SAFE_FREE(error_string);
SAFE_FREE(domain);
SAFE_FREE(newpswd);
SAFE_FREE(oldpswd);
- x_fprintf(x_stdout, ".\n");
+ printf(".\n");
return;
}
if (!parameter) {
DEBUG(0, ("Parameter not found!\n"));
- x_fprintf(x_stdout, "Error: Parameter not found!\n.\n");
+ printf("Error: Parameter not found!\n.\n");
return;
}
if (strequal(request, "new-nt-password-blob")) {
new_nt_pswd = strhex_to_data_blob(NULL, parameter);
if (new_nt_pswd.length != 516) {
- x_fprintf(x_stdout, "Error: hex decode of %s failed! "
- "(got %d bytes, expected 516)\n.\n",
- parameter,
- (int)new_nt_pswd.length);
+ printf("Error: hex decode of %s failed! "
+ "(got %d bytes, expected 516)\n.\n",
+ parameter,
+ (int)new_nt_pswd.length);
new_nt_pswd = data_blob_null;
}
} else if (strequal(request, "old-nt-hash-blob")) {
old_nt_hash_enc = strhex_to_data_blob(NULL, parameter);
if (old_nt_hash_enc.length != 16) {
- x_fprintf(x_stdout, "Error: hex decode of %s failed! "
- "(got %d bytes, expected 16)\n.\n",
- parameter,
- (int)old_nt_hash_enc.length);
+ printf("Error: hex decode of %s failed! "
+ "(got %d bytes, expected 16)\n.\n",
+ parameter,
+ (int)old_nt_hash_enc.length);
old_nt_hash_enc = data_blob_null;
}
} else if (strequal(request, "new-lm-password-blob")) {
new_lm_pswd = strhex_to_data_blob(NULL, parameter);
if (new_lm_pswd.length != 516) {
- x_fprintf(x_stdout, "Error: hex decode of %s failed! "
- "(got %d bytes, expected 516)\n.\n",
- parameter,
- (int)new_lm_pswd.length);
+ printf("Error: hex decode of %s failed! "
+ "(got %d bytes, expected 516)\n.\n",
+ parameter,
+ (int)new_lm_pswd.length);
new_lm_pswd = data_blob_null;
}
}
old_lm_hash_enc = strhex_to_data_blob(NULL, parameter);
if (old_lm_hash_enc.length != 16)
{
- x_fprintf(x_stdout, "Error: hex decode of %s failed! "
- "(got %d bytes, expected 16)\n.\n",
- parameter,
- (int)old_lm_hash_enc.length);
+ printf("Error: hex decode of %s failed! "
+ "(got %d bytes, expected 16)\n.\n",
+ parameter,
+ (int)old_lm_hash_enc.length);
old_lm_hash_enc = data_blob_null;
}
} else if (strequal(request, "nt-domain")) {
} else if (strequal(request, "old-password")) {
oldpswd = smb_xstrdup(parameter);
} else {
- x_fprintf(x_stdout, "Error: Unknown request %s\n.\n", request);
+ printf("Error: Unknown request %s\n.\n", request);
}
}
-static void manage_squid_request(struct ntlm_auth_state *state,
- stdio_helper_function fn)
+static void manage_squid_request(enum stdio_helper_mode stdio_helper_mode,
+ struct loadparm_context *lp_ctx,
+ struct ntlm_auth_state *state,
+ stdio_helper_function fn, void **private2)
{
char *buf;
char tmp[INITIAL_BUFFER_SIZE+1];
buf = talloc_strdup(state->mem_ctx, "");
if (!buf) {
DEBUG(0, ("Failed to allocate input buffer.\n"));
- x_fprintf(x_stderr, "ERR\n");
+ fprintf(stderr, "ERR\n");
exit(1);
}
if (buf_size > MAX_BUFFER_SIZE) {
DEBUG(2, ("Oversized message\n"));
- x_fprintf(x_stderr, "ERR\n");
+ fprintf(stderr, "ERR\n");
talloc_free(buf);
return;
}
if (buf[0] == '\0') {
DEBUG(2, ("Invalid Request\n"));
- x_fprintf(x_stderr, "ERR\n");
+ fprintf(stderr, "ERR\n");
talloc_free(buf);
return;
}
- fn(state, buf, length);
+ fn(stdio_helper_mode, lp_ctx, state, buf, length, private2);
talloc_free(buf);
}
-static void squid_stream(enum stdio_helper_mode stdio_mode, stdio_helper_function fn) {
+static void squid_stream(enum stdio_helper_mode stdio_mode,
+ struct loadparm_context *lp_ctx,
+ 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);
+ setbuf(stdout, NULL);
+ setbuf(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");
+ fprintf(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");
+ fprintf(stderr, "ERR\n");
exit(1);
}
while(1) {
TALLOC_CTX *frame = talloc_stackframe();
- manage_squid_request(state, fn);
+ manage_squid_request(stdio_mode, lp_ctx, state, fn, NULL);
TALLOC_FREE(frame);
}
}
static bool check_auth_crap(void)
{
NTSTATUS nt_status;
- uint32 flags = 0;
+ uint32_t flags = 0;
char lm_key[8];
char user_session_key[16];
char *hex_lm_key;
char *hex_user_session_key;
char *error_string;
- static uint8 zeros[16];
+ uint8_t authoritative = 0;
- x_setbuf(x_stdout, NULL);
+ setbuf(stdout, NULL);
if (request_lm_key)
flags |= WBFLAG_PAM_LMKEY;
&opt_challenge,
&opt_lm_response,
&opt_nt_response,
- flags,
+ flags, 0,
(unsigned char *)lm_key,
(unsigned char *)user_session_key,
+ &authoritative,
&error_string, NULL);
if (!NT_STATUS_IS_OK(nt_status)) {
- x_fprintf(x_stdout, "%s (0x%x)\n",
- error_string,
- NT_STATUS_V(nt_status));
+ printf("%s (0x%x)\n", error_string,
+ NT_STATUS_V(nt_status));
SAFE_FREE(error_string);
return False;
}
if (request_lm_key
- && (memcmp(zeros, lm_key,
- sizeof(lm_key)) != 0)) {
+ && (!all_zero((uint8_t *)lm_key, sizeof(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);
+ printf("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)) {
+ && (!all_zero((uint8_t *)user_session_key,
+ sizeof(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);
+ printf("NT_KEY: %s\n", hex_user_session_key);
TALLOC_FREE(hex_user_session_key);
}
OPT_DIAGNOSTICS,
OPT_REQUIRE_MEMBERSHIP,
OPT_USE_CACHED_CREDS,
- OPT_PAM_WINBIND_CONF
+ OPT_ALLOW_MSCHAPV2,
+ OPT_PAM_WINBIND_CONF,
+ OPT_TARGET_SERVICE,
+ OPT_TARGET_HOSTNAME,
+ OPT_OFFLINE_LOGON
};
int main(int argc, const char **argv)
{
TALLOC_CTX *frame = talloc_stackframe();
int opt;
- static const char *helper_protocol;
- static int diagnostics;
-
- static const char *hex_challenge;
- static const char *hex_lm_response;
- static const char *hex_nt_response;
+ const char *helper_protocol = NULL;
+ int diagnostics = 0;
+ const char *hex_challenge = NULL;
+ const char *hex_lm_response = NULL;
+ const char *hex_nt_response = NULL;
+ struct loadparm_context *lp_ctx;
poptContext pc;
/* NOTE: DO NOT change this interface without considering the implications!
{ "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"},
{ "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" },
{ "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" },
+ { "target-service", 0, POPT_ARG_STRING, &opt_target_service, OPT_TARGET_SERVICE, "Target service (eg http)" },
+ { "target-hostname", 0, POPT_ARG_STRING, &opt_target_hostname, OPT_TARGET_HOSTNAME, "Target hostname" },
POPT_COMMON_CONFIGFILE
POPT_COMMON_VERSION
+ POPT_COMMON_OPTION
POPT_TABLEEND
};
/* Samba client initialisation */
- load_case_tables();
+ smb_init_locale();
- dbf = x_stderr;
+ setup_logging("ntlm_auth", DEBUG_STDERR);
+ fault_setup();
/* Parse options */
poptFreeContext(pc);
- if (!lp_load(get_dyn_CONFIGFILE(), True, False, False, True)) {
+ if (!lp_load_global(get_dyn_CONFIGFILE())) {
d_fprintf(stderr, "ntlm_auth: error opening config file %s. Error was %s\n",
get_dyn_CONFIGFILE(), strerror(errno));
exit(1);
case OPT_CHALLENGE:
opt_challenge = strhex_to_data_blob(NULL, hex_challenge);
if (opt_challenge.length != 8) {
- x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
- hex_challenge,
- (int)opt_challenge.length);
+ fprintf(stderr, "hex decode of %s failed! "
+ "(only got %d bytes)\n",
+ hex_challenge,
+ (int)opt_challenge.length);
exit(1);
}
break;
case OPT_LM:
opt_lm_response = strhex_to_data_blob(NULL, hex_lm_response);
if (opt_lm_response.length != 24) {
- x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
- hex_lm_response,
- (int)opt_lm_response.length);
+ fprintf(stderr, "hex decode of %s failed! "
+ "(only got %d bytes)\n",
+ hex_lm_response,
+ (int)opt_lm_response.length);
exit(1);
}
break;
case OPT_NT:
opt_nt_response = strhex_to_data_blob(NULL, hex_nt_response);
if (opt_nt_response.length < 24) {
- x_fprintf(x_stderr, "hex decode of %s failed! (only got %d bytes)\n",
- hex_nt_response,
- (int)opt_nt_response.length);
+ fprintf(stderr, "hex decode of %s failed! "
+ "(only got %d bytes)\n",
+ hex_nt_response,
+ (int)opt_nt_response.length);
exit(1);
}
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;
opt_username = p+1;
*p = '\0';
if (opt_domain && !strequal(opt_domain, domain)) {
- x_fprintf(x_stderr, "Domain specified in username (%s) "
+ fprintf(stderr, "Domain specified in username (%s) "
"doesn't match specified domain (%s)!\n\n",
domain, opt_domain);
poptPrintHelp(pc, stderr, 0);
opt_workstation = "";
}
+ lp_ctx = loadparm_init_s3(NULL, loadparm_s3_helpers());
+ if (lp_ctx == NULL) {
+ fprintf(stderr, "loadparm_init_s3() failed!\n");
+ exit(1);
+ }
+
if (helper_protocol) {
int i;
for (i=0; i<NUM_HELPER_MODES; i++) {
if (strcmp(helper_protocol, stdio_helper_protocols[i].name) == 0) {
- squid_stream(stdio_helper_protocols[i].mode, stdio_helper_protocols[i].fn);
+ squid_stream(stdio_helper_protocols[i].mode, lp_ctx, stdio_helper_protocols[i].fn);
exit(0);
}
}
- x_fprintf(x_stderr, "unknown helper protocol [%s]\n\nValid helper protools:\n\n", helper_protocol);
+ fprintf(stderr, "unknown helper protocol [%s]\n\n"
+ "Valid helper protools:\n\n", helper_protocol);
for (i=0; i<NUM_HELPER_MODES; i++) {
- x_fprintf(x_stderr, "%s\n", stdio_helper_protocols[i].name);
+ fprintf(stderr, "%s\n",
+ stdio_helper_protocols[i].name);
}
exit(1);
}
if (!opt_username || !*opt_username) {
- x_fprintf(x_stderr, "username must be specified!\n\n");
+ fprintf(stderr, "username must be specified!\n\n");
poptPrintHelp(pc, stderr, 0);
exit(1);
}
}
if (!opt_password) {
- opt_password = getpass("password: ");
+ char pwd[256] = {0};
+ int rc;
+
+ rc = samba_getpass("Password: ", pwd, sizeof(pwd), false, false);
+ if (rc == 0) {
+ opt_password = SMB_STRDUP(pwd);
+ }
}
if (diagnostics) {
git.samba.org / nivanova / samba-autobuild / .git / blobdiff