NTSTATUS wbsrv_samba3_pam_auth(struct wbsrv_samba3_call *s3call)
{
struct composite_context *ctx;
struct wbsrv_service *service =
s3call->wbconn->listen_socket->service;
struct cli_credentials *credentials;
char *user, *domain;
if (!wb_samba3_split_username(s3call, s3call->wbconn->lp_ctx,
s3call->request.data.auth.user,
&domain, &user)) {
return NT_STATUS_NO_SUCH_USER;
}
credentials = cli_credentials_init(s3call);
if (!credentials) {
return NT_STATUS_NO_MEMORY;
}
cli_credentials_set_conf(credentials, service->task->lp_ctx);
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
cli_credentials_set_password(credentials, s3call->request.data.auth.pass, CRED_SPECIFIED);
ctx = wb_cmd_pam_auth_send(s3call, service, credentials);
NT_STATUS_HAVE_NO_MEMORY(ctx);
ctx->async.fn = pam_auth_recv;
ctx->async.private_data = s3call;
s3call->flags |= WBSRV_CALL_FLAGS_REPLY_ASYNC;
return NT_STATUS_OK;
}
_PUBLIC_ void cli_credentials_parse_string(struct cli_credentials *credentials, const char *data, enum credentials_obtained obtained)
{
char *uname, *p;
if (strcmp("%",data) == 0) {
cli_credentials_set_anonymous(credentials);
return;
}
uname = talloc_strdup(credentials, data);
if ((p = strchr_m(uname,'%'))) {
*p = 0;
cli_credentials_set_password(credentials, p+1, obtained);
}
if ((p = strchr_m(uname,'@'))) {
cli_credentials_set_principal(credentials, uname, obtained);
*p = 0;
cli_credentials_set_realm(credentials, p+1, obtained);
return;
} else if ((p = strchr_m(uname,'\\')) || (p = strchr_m(uname, '/'))) {
*p = 0;
cli_credentials_set_domain(credentials, uname, obtained);
uname = p+1;
}
cli_credentials_set_username(credentials, uname, obtained);
}
static bool try_failed_login(struct torture_context *tctx, struct smbcli_state *cli)
{
NTSTATUS status;
struct smb_composite_sesssetup setup;
struct smbcli_session *session;
struct smbcli_session_options options;
lpcfg_smbcli_session_options(tctx->lp_ctx, &options);
session = smbcli_session_init(cli->transport, cli, false, options);
setup.in.sesskey = cli->transport->negotiate.sesskey;
setup.in.capabilities = cli->transport->negotiate.capabilities;
setup.in.workgroup = lpcfg_workgroup(tctx->lp_ctx);
setup.in.credentials = cli_credentials_init(session);
setup.in.gensec_settings = lpcfg_gensec_settings(tctx, tctx->lp_ctx);
cli_credentials_set_conf(setup.in.credentials, tctx->lp_ctx);
cli_credentials_set_domain(setup.in.credentials, "INVALID-DOMAIN", CRED_SPECIFIED);
cli_credentials_set_username(setup.in.credentials, "INVALID-USERNAME", CRED_SPECIFIED);
cli_credentials_set_password(setup.in.credentials, "INVALID-PASSWORD", CRED_SPECIFIED);
status = smb_composite_sesssetup(session, &setup);
talloc_free(session);
if (NT_STATUS_IS_OK(status)) {
printf("Allowed session setup with invalid credentials?!\n");
return false;
}
return true;
}
/**
* Fill in a credentials structure as the anonymous user
*/
_PUBLIC_ void cli_credentials_set_anonymous(struct cli_credentials *cred)
{
cli_credentials_set_username(cred, "", CRED_SPECIFIED);
cli_credentials_set_domain(cred, "", CRED_SPECIFIED);
cli_credentials_set_password(cred, NULL, CRED_SPECIFIED);
cli_credentials_set_realm(cred, NULL, CRED_SPECIFIED);
cli_credentials_set_workstation(cred, "", CRED_UNINITIALISED);
cli_credentials_set_kerberos_state(cred, CRED_DONT_USE_KERBEROS);
}
/**
* Specifies default values for domain, workstation and realm
* from the smb.conf configuration file
*
* @param cred Credentials structure to fill in
*/
_PUBLIC_ void cli_credentials_set_conf(struct cli_credentials *cred,
struct loadparm_context *lp_ctx)
{
cli_credentials_set_username(cred, "", CRED_UNINITIALISED);
if (lpcfg_parm_is_cmdline(lp_ctx, "workgroup")) {
cli_credentials_set_domain(cred, lpcfg_workgroup(lp_ctx), CRED_SPECIFIED);
} else {
cli_credentials_set_domain(cred, lpcfg_workgroup(lp_ctx), CRED_UNINITIALISED);
}
if (lpcfg_parm_is_cmdline(lp_ctx, "netbios name")) {
cli_credentials_set_workstation(cred, lpcfg_netbios_name(lp_ctx), CRED_SPECIFIED);
} else {
cli_credentials_set_workstation(cred, lpcfg_netbios_name(lp_ctx), CRED_UNINITIALISED);
}
if (lpcfg_parm_is_cmdline(lp_ctx, "realm")) {
cli_credentials_set_realm(cred, lpcfg_realm(lp_ctx), CRED_SPECIFIED);
} else {
cli_credentials_set_realm(cred, lpcfg_realm(lp_ctx), CRED_UNINITIALISED);
}
}
static PyObject *py_creds_set_domain(PyObject *self, PyObject *args)
{
char *newval;
enum credentials_obtained obt = CRED_SPECIFIED;
int _obt = obt;
if (!PyArg_ParseTuple(args, "s|i", &newval, &_obt)) {
return NULL;
}
obt = _obt;
return PyBool_FromLong(cli_credentials_set_domain(PyCredentials_AsCliCredentials(self), newval, obt));
}
BOOL cli_credentials_parse_file(struct cli_credentials *cred, const char *file, enum credentials_obtained obtained)
{
uint16_t len = 0;
char *ptr, *val, *param;
char **lines;
int i, numlines;
lines = file_lines_load(file, &numlines, NULL);
if (lines == NULL)
{
/* fail if we can't open the credentials file */
d_printf("ERROR: Unable to open credentials file!\n");
return False;
}
for (i = 0; i < numlines; i++) {
len = strlen(lines[i]);
if (len == 0)
continue;
/* break up the line into parameter & value.
* will need to eat a little whitespace possibly */
param = lines[i];
if (!(ptr = strchr_m (lines[i], '=')))
continue;
val = ptr+1;
*ptr = '\0';
/* eat leading white space */
while ((*val!='\0') && ((*val==' ') || (*val=='\t')))
val++;
if (strwicmp("password", param) == 0) {
cli_credentials_set_password(cred, val, obtained);
} else if (strwicmp("username", param) == 0) {
cli_credentials_set_username(cred, val, obtained);
} else if (strwicmp("domain", param) == 0) {
cli_credentials_set_domain(cred, val, obtained);
} else if (strwicmp("realm", param) == 0) {
cli_credentials_set_realm(cred, val, obtained);
}
memset(lines[i], 0, len);
}
talloc_free(lines);
return True;
}
static bool test_init(struct torture_context *tctx)
{
struct cli_credentials *creds = cli_credentials_init(tctx);
cli_credentials_set_domain(creds, "bla", CRED_SPECIFIED);
torture_assert_str_equal(tctx, "BLA", cli_credentials_get_domain(creds),
"domain");
cli_credentials_set_username(creds, "someuser", CRED_SPECIFIED);
torture_assert_str_equal(tctx, "someuser",
cli_credentials_get_username(creds),
"username");
cli_credentials_set_password(creds, "p4ssw0rd", CRED_SPECIFIED);
torture_assert_str_equal(tctx, "p4ssw0rd",
cli_credentials_get_password(creds),
"password");
return true;
}
/*
connect to a share - used when a tree_connect operation comes in.
*/
static NTSTATUS cvfs_connect(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_tcon *tcon)
{
NTSTATUS status;
struct cvfs_private *p;
const char *host, *user, *pass, *domain, *remote_share;
struct smb_composite_connect io;
struct composite_context *creq;
struct share_config *scfg = ntvfs->ctx->config;
struct cli_credentials *credentials;
bool machine_account;
bool s4u2proxy;
const char* sharename;
switch (tcon->generic.level) {
case RAW_TCON_TCON:
sharename = tcon->tcon.in.service;
break;
case RAW_TCON_TCONX:
sharename = tcon->tconx.in.path;
break;
case RAW_TCON_SMB2:
sharename = tcon->smb2.in.path;
break;
default:
return NT_STATUS_INVALID_LEVEL;
}
if (strncmp(sharename, "\\\\", 2) == 0) {
char *str = strchr(sharename+2, '\\');
if (str) {
sharename = str + 1;
}
}
/* Here we need to determine which server to connect to.
* For now we use parametric options, type cifs.
* Later we will use security=server and auth_server.c.
*/
host = share_string_option(scfg, CIFS_SERVER, NULL);
user = share_string_option(scfg, CIFS_USER, NULL);
pass = share_string_option(scfg, CIFS_PASSWORD, NULL);
domain = share_string_option(scfg, CIFS_DOMAIN, NULL);
remote_share = share_string_option(scfg, CIFS_SHARE, NULL);
if (!remote_share) {
remote_share = sharename;
}
machine_account = share_bool_option(scfg, CIFS_USE_MACHINE_ACCT, CIFS_USE_MACHINE_ACCT_DEFAULT);
s4u2proxy = share_bool_option(scfg, CIFS_USE_S4U2PROXY, CIFS_USE_S4U2PROXY_DEFAULT);
p = talloc_zero(ntvfs, struct cvfs_private);
if (!p) {
return NT_STATUS_NO_MEMORY;
}
ntvfs->private_data = p;
if (!host) {
DEBUG(1,("CIFS backend: You must supply server\n"));
return NT_STATUS_INVALID_PARAMETER;
}
if (user && pass) {
DEBUG(5, ("CIFS backend: Using specified password\n"));
credentials = cli_credentials_init(p);
if (!credentials) {
return NT_STATUS_NO_MEMORY;
}
cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
if (domain) {
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
}
cli_credentials_set_password(credentials, pass, CRED_SPECIFIED);
} else if (machine_account) {
DEBUG(5, ("CIFS backend: Using machine account\n"));
credentials = cli_credentials_init(p);
cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
if (domain) {
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
}
status = cli_credentials_set_machine_account(credentials, ntvfs->ctx->lp_ctx);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
} else if (req->session_info->credentials) {
DEBUG(5, ("CIFS backend: Using delegated credentials\n"));
credentials = req->session_info->credentials;
} else if (s4u2proxy) {
struct ccache_container *ccc = NULL;
const char *err_str = NULL;
int ret;
char *impersonate_principal;
char *self_service;
char *target_service;
impersonate_principal = talloc_asprintf(req, "%s@%s",
req->session_info->info->account_name,
req->session_info->info->domain_name);
self_service = talloc_asprintf(req, "cifs/%s",
lpcfg_netbios_name(ntvfs->ctx->lp_ctx));
target_service = talloc_asprintf(req, "cifs/%s", host);
DEBUG(5, ("CIFS backend: Using S4U2Proxy credentials\n"));
credentials = cli_credentials_init(p);
cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
if (domain) {
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
}
status = cli_credentials_set_machine_account(credentials, ntvfs->ctx->lp_ctx);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
cli_credentials_invalidate_ccache(credentials, CRED_SPECIFIED);
cli_credentials_set_impersonate_principal(credentials,
impersonate_principal,
self_service);
cli_credentials_set_target_service(credentials, target_service);
ret = cli_credentials_get_ccache(credentials,
ntvfs->ctx->event_ctx,
ntvfs->ctx->lp_ctx,
&ccc,
&err_str);
if (ret != 0) {
status = NT_STATUS_CROSSREALM_DELEGATION_FAILURE;
DEBUG(1,("S4U2Proxy: cli_credentials_get_ccache() gave: ret[%d] str[%s] - %s\n",
ret, err_str, nt_errstr(status)));
return status;
}
} else {
DEBUG(1,("CIFS backend: NO delegated credentials found: You must supply server, user and password or the client must supply delegated credentials\n"));
return NT_STATUS_INTERNAL_ERROR;
}
/* connect to the server, using the smbd event context */
io.in.dest_host = host;
io.in.dest_ports = lpcfg_smb_ports(ntvfs->ctx->lp_ctx);
io.in.socket_options = lpcfg_socket_options(ntvfs->ctx->lp_ctx);
io.in.called_name = host;
io.in.credentials = credentials;
io.in.fallback_to_anonymous = false;
io.in.workgroup = lpcfg_workgroup(ntvfs->ctx->lp_ctx);
io.in.service = remote_share;
io.in.service_type = "?????";
io.in.gensec_settings = lpcfg_gensec_settings(p, ntvfs->ctx->lp_ctx);
lpcfg_smbcli_options(ntvfs->ctx->lp_ctx, &io.in.options);
lpcfg_smbcli_session_options(ntvfs->ctx->lp_ctx, &io.in.session_options);
if (!(ntvfs->ctx->client_caps & NTVFS_CLIENT_CAP_LEVEL_II_OPLOCKS)) {
io.in.options.use_level2_oplocks = false;
}
creq = smb_composite_connect_send(&io, p,
lpcfg_resolve_context(ntvfs->ctx->lp_ctx),
ntvfs->ctx->event_ctx);
status = smb_composite_connect_recv(creq, p);
NT_STATUS_NOT_OK_RETURN(status);
p->tree = io.out.tree;
p->transport = p->tree->session->transport;
SETUP_PID;
p->ntvfs = ntvfs;
ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
if (tcon->generic.level == RAW_TCON_TCONX) {
tcon->tconx.out.fs_type = ntvfs->ctx->fs_type;
tcon->tconx.out.dev_type = ntvfs->ctx->dev_type;
}
/* we need to receive oplock break requests from the server */
smbcli_oplock_handler(p->transport, oplock_handler, p);
p->map_generic = share_bool_option(scfg, CIFS_MAP_GENERIC, CIFS_MAP_GENERIC_DEFAULT);
p->map_trans2 = share_bool_option(scfg, CIFS_MAP_TRANS2, CIFS_MAP_TRANS2_DEFAULT);
return NT_STATUS_OK;
}
NTSTATUS auth_generic_set_domain(struct auth_generic_state *ans,
const char *domain)
{
cli_credentials_set_domain(ans->credentials, domain, CRED_SPECIFIED);
return NT_STATUS_OK;
}
_PUBLIC_ struct test_join *torture_join_domain(struct torture_context *tctx,
const char *machine_name,
uint32_t acct_flags,
struct cli_credentials **machine_credentials)
{
NTSTATUS status;
struct libnet_context *libnet_ctx;
struct libnet_JoinDomain *libnet_r;
struct test_join *tj;
struct samr_SetUserInfo s;
union samr_UserInfo u;
tj = talloc(tctx, struct test_join);
if (!tj) return NULL;
libnet_r = talloc(tj, struct libnet_JoinDomain);
if (!libnet_r) {
talloc_free(tj);
return NULL;
}
libnet_ctx = libnet_context_init(tctx->ev, tctx->lp_ctx);
if (!libnet_ctx) {
talloc_free(tj);
return NULL;
}
tj->libnet_r = libnet_r;
libnet_ctx->cred = cmdline_credentials;
libnet_r->in.binding = torture_setting_string(tctx, "binding", NULL);
if (!libnet_r->in.binding) {
libnet_r->in.binding = talloc_asprintf(libnet_r, "ncacn_np:%s", torture_setting_string(tctx, "host", NULL));
}
libnet_r->in.level = LIBNET_JOINDOMAIN_SPECIFIED;
libnet_r->in.netbios_name = machine_name;
libnet_r->in.account_name = talloc_asprintf(libnet_r, "%s$", machine_name);
if (!libnet_r->in.account_name) {
talloc_free(tj);
return NULL;
}
libnet_r->in.acct_type = acct_flags;
libnet_r->in.recreate_account = true;
status = libnet_JoinDomain(libnet_ctx, libnet_r, libnet_r);
if (!NT_STATUS_IS_OK(status)) {
if (libnet_r->out.error_string) {
DEBUG(0, ("Domain join failed - %s\n", libnet_r->out.error_string));
} else {
DEBUG(0, ("Domain join failed - %s\n", nt_errstr(status)));
}
talloc_free(tj);
return NULL;
}
tj->p = libnet_r->out.samr_pipe;
tj->user_handle = *libnet_r->out.user_handle;
tj->dom_sid = libnet_r->out.domain_sid;
talloc_steal(tj, libnet_r->out.domain_sid);
tj->dom_netbios_name = libnet_r->out.domain_name;
talloc_steal(tj, libnet_r->out.domain_name);
tj->dom_dns_name = libnet_r->out.realm;
talloc_steal(tj, libnet_r->out.realm);
tj->user_guid = libnet_r->out.account_guid;
tj->netbios_name = talloc_strdup(tj, machine_name);
if (!tj->netbios_name) {
talloc_free(tj);
return NULL;
}
ZERO_STRUCT(u);
s.in.user_handle = &tj->user_handle;
s.in.info = &u;
s.in.level = 21;
u.info21.fields_present = SAMR_FIELD_DESCRIPTION | SAMR_FIELD_COMMENT | SAMR_FIELD_FULL_NAME;
u.info21.comment.string = talloc_asprintf(tj,
"Tortured by Samba4: %s",
timestring(tj, time(NULL)));
u.info21.full_name.string = talloc_asprintf(tj,
"Torture account for Samba4: %s",
timestring(tj, time(NULL)));
u.info21.description.string = talloc_asprintf(tj,
"Samba4 torture account created by host %s: %s",
lp_netbios_name(tctx->lp_ctx), timestring(tj, time(NULL)));
status = dcerpc_samr_SetUserInfo(tj->p, tj, &s);
if (!NT_STATUS_IS_OK(status)) {
printf("SetUserInfo (non-critical) failed - %s\n", nt_errstr(status));
}
*machine_credentials = cli_credentials_init(tj);
cli_credentials_set_conf(*machine_credentials, tctx->lp_ctx);
cli_credentials_set_workstation(*machine_credentials, machine_name, CRED_SPECIFIED);
cli_credentials_set_domain(*machine_credentials, libnet_r->out.domain_name, CRED_SPECIFIED);
if (libnet_r->out.realm) {
cli_credentials_set_realm(*machine_credentials, libnet_r->out.realm, CRED_SPECIFIED);
}
cli_credentials_set_username(*machine_credentials, libnet_r->in.account_name, CRED_SPECIFIED);
cli_credentials_set_password(*machine_credentials, libnet_r->out.join_password, CRED_SPECIFIED);
cli_credentials_set_kvno(*machine_credentials, libnet_r->out.kvno);
if (acct_flags & ACB_SVRTRUST) {
cli_credentials_set_secure_channel_type(*machine_credentials,
SEC_CHAN_BDC);
} else if (acct_flags & ACB_WSTRUST) {
cli_credentials_set_secure_channel_type(*machine_credentials,
SEC_CHAN_WKSTA);
} else {
DEBUG(0, ("Invalid account type specificed to torture_join_domain\n"));
talloc_free(*machine_credentials);
return NULL;
}
return tj;
}
static int ejs_cli_ssetup(MprVarHandle eid, int argc, MprVar **argv)
{
struct smbcli_transport *transport;
struct smbcli_session *session;
struct smb_composite_sesssetup setup;
struct cli_credentials *creds;
NTSTATUS status;
int result = -1;
/* Argument parsing */
if (argc < 1 || argc > 4) {
ejsSetErrorMsg(eid, "session_setup invalid arguments");
return -1;
}
if (!mprVarIsPtr(argv[0]->type)) {
ejsSetErrorMsg(eid, "first arg is not a connect handle");
return -1;
}
transport = argv[0]->ptr;
creds = cli_credentials_init(transport);
cli_credentials_set_conf(creds);
if (argc == 4) {
/* DOMAIN, USERNAME, PASSWORD form */
if (!mprVarIsString(argv[1]->type)) {
ejsSetErrorMsg(eid, "arg 1 must be a string");
goto done;
}
cli_credentials_set_domain(creds, argv[1]->string,
CRED_SPECIFIED);
if (!mprVarIsString(argv[2]->type)) {
ejsSetErrorMsg(eid, "arg 2 must be a string");
goto done;
}
cli_credentials_set_username(creds, argv[2]->string,
CRED_SPECIFIED);
if (!mprVarIsString(argv[3]->type)) {
ejsSetErrorMsg(eid, "arg 3 must be a string");
goto done;
}
cli_credentials_set_password(creds, argv[3]->string,
CRED_SPECIFIED);
} else if (argc == 3) {
/* USERNAME, PASSWORD form */
if (!mprVarIsString(argv[1]->type)) {
ejsSetErrorMsg(eid, "arg1 must be a string");
goto done;
}
cli_credentials_set_username(creds, argv[1]->string,
CRED_SPECIFIED);
if (!mprVarIsString(argv[2]->type)) {
ejsSetErrorMsg(eid, "arg2 must be a string");
goto done;
}
cli_credentials_set_password(creds, argv[2]->string,
CRED_SPECIFIED);
} else if (argc == 2) {
/* DOMAIN/USERNAME%PASSWORD form */
cli_credentials_parse_string(creds, argv[1]->string,
CRED_SPECIFIED);
} else {
/* Anonymous connection */
cli_credentials_set_anonymous(creds);
}
/* Do session setup */
session = smbcli_session_init(transport, transport, False);
if (!session) {
ejsSetErrorMsg(eid, "session init failed");
return -1;
}
setup.in.sesskey = transport->negotiate.sesskey;
setup.in.capabilities = transport->negotiate.capabilities;
setup.in.credentials = creds;
setup.in.workgroup = lp_workgroup();
status = smb_composite_sesssetup(session, &setup);
if (!NT_STATUS_IS_OK(status)) {
ejsSetErrorMsg(eid, "session_setup: %s", nt_errstr(status));
return -1;
}
session->vuid = setup.out.vuid;
/* Return a session object */
mpr_Return(eid, mprCreatePtrVar(session));
result = 0;
done:
talloc_free(creds);
return result;
}
static void manage_gensec_request(enum stdio_helper_mode stdio_helper_mode,
struct loadparm_context *lp_ctx,
char *buf, int length, void **private1,
unsigned int mux_id, void **private2)
{
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;
struct tevent_context *ev;
struct imessaging_context *msg;
NTSTATUS nt_status;
bool first = false;
const char *reply_code;
struct cli_credentials *creds;
static char *want_feature_list = NULL;
static DATA_BLOB session_key;
TALLOC_CTX *mem_ctx;
if (*private1) {
state = (struct gensec_ntlm_state *)*private1;
} else {
state = talloc_zero(NULL, struct gensec_ntlm_state);
if (!state) {
mux_printf(mux_id, "BH No Memory\n");
exit(1);
}
*private1 = state;
if (opt_password) {
state->set_password = opt_password;
}
}
if (strlen(buf) < 2) {
DEBUG(1, ("query [%s] invalid", buf));
mux_printf(mux_id, "BH Query invalid\n");
return;
}
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);
mux_printf(mux_id, "OK\n");
return;
}
in = base64_decode_data_blob(buf + 3);
} else {
in = data_blob(NULL, 0);
}
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. */
mux_printf(mux_id, "BH Command expected\n");
data_blob_free(&in);
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\n", buf));
mux_printf(mux_id, "BH SPNEGO request invalid\n");
data_blob_free(&in);
return;
}
ev = s4_event_context_init(state);
if (!ev) {
exit(1);
}
mem_ctx = talloc_named(NULL, 0, "manage_gensec_request internal mem_ctx");
/* setup gensec */
if (!(state->gensec_state)) {
switch (stdio_helper_mode) {
case GSS_SPNEGO_CLIENT:
case NTLMSSP_CLIENT_1:
/* setup the client side */
nt_status = gensec_client_start(NULL, &state->gensec_state, ev,
lpcfg_gensec_settings(NULL, lp_ctx));
if (!NT_STATUS_IS_OK(nt_status)) {
talloc_free(mem_ctx);
exit(1);
}
break;
case GSS_SPNEGO_SERVER:
case SQUID_2_5_NTLMSSP:
{
const char *winbind_method[] = { "winbind", NULL };
struct auth4_context *auth_context;
msg = imessaging_client_init(state, lpcfg_imessaging_path(state, lp_ctx), ev);
if (!msg) {
talloc_free(mem_ctx);
exit(1);
}
nt_status = auth_context_create_methods(mem_ctx,
winbind_method,
ev,
msg,
lp_ctx,
NULL,
&auth_context);
if (!NT_STATUS_IS_OK(nt_status)) {
talloc_free(mem_ctx);
exit(1);
}
if (!NT_STATUS_IS_OK(gensec_server_start(state, ev,
lpcfg_gensec_settings(state, lp_ctx),
auth_context, &state->gensec_state))) {
talloc_free(mem_ctx);
exit(1);
}
break;
}
default:
talloc_free(mem_ctx);
abort();
}
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 (state->set_password) {
cli_credentials_set_password(creds, state->set_password, CRED_SPECIFIED);
} else {
cli_credentials_set_password_callback(creds, get_password);
creds->priv_data = (void*)(uintptr_t)mux_id;
}
if (opt_workstation) {
cli_credentials_set_workstation(creds, opt_workstation, CRED_SPECIFIED);
}
switch (stdio_helper_mode) {
case GSS_SPNEGO_SERVER:
case SQUID_2_5_NTLMSSP:
cli_credentials_set_machine_account(creds, lp_ctx);
break;
default:
break;
}
gensec_set_credentials(state->gensec_state, creds);
gensec_want_feature_list(state->gensec_state, want_feature_list);
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 (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(1, ("GENSEC mech failed to start: %s\n", nt_errstr(nt_status)));
mux_printf(mux_id, "BH GENSEC mech failed to start\n");
talloc_free(mem_ctx);
return;
}
}
/* 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);
mux_printf(mux_id, "OK\n");
data_blob_free(&in);
talloc_free(mem_ctx);
return;
}
if (strncmp(buf, "UG", 2) == 0) {
int i;
char *grouplist = NULL;
struct auth_session_info *session_info;
nt_status = gensec_session_info(state->gensec_state, mem_ctx, &session_info);
if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(1, ("gensec_session_info failed: %s\n", nt_errstr(nt_status)));
mux_printf(mux_id, "BH %s\n", nt_errstr(nt_status));
data_blob_free(&in);
talloc_free(mem_ctx);
return;
}
/* get the string onto the context */
grouplist = talloc_strdup(mem_ctx, "");
for (i=0; i<session_info->security_token->num_sids; i++) {
struct security_token *token = session_info->security_token;
const char *sidstr = dom_sid_string(session_info,
&token->sids[i]);
grouplist = talloc_asprintf_append_buffer(grouplist, "%s,", sidstr);
}
mux_printf(mux_id, "GL %s\n", grouplist);
talloc_free(session_info);
data_blob_free(&in);
talloc_free(mem_ctx);
return;
}
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)));
mux_printf(mux_id, "BH No session key\n");
talloc_free(mem_ctx);
return;
} else {
base64_key = base64_encode_data_blob(state, session_key);
mux_printf(mux_id, "GK %s\n", base64_key);
talloc_free(base64_key);
}
talloc_free(mem_ctx);
return;
}
if (strncmp(buf, "GF", 2) == 0) {
struct ntlmssp_state *ntlmssp_state;
uint32_t neg_flags;
ntlmssp_state = talloc_get_type(state->gensec_state->private_data,
struct ntlmssp_state);
neg_flags = ntlmssp_state->neg_flags;
DEBUG(10, ("Requested negotiated feature flags\n"));
mux_printf(mux_id, "GF 0x%08x\n", neg_flags);
return;
}
nt_status = gensec_update(state->gensec_state, mem_ctx, in, &out);
/* don't leak 'bad password'/'no such user' info to the network client */
nt_status = nt_status_squash(nt_status);
if (out.length) {
out_base64 = base64_encode_data_blob(mem_ctx, out);
} else {
out_base64 = NULL;
}
if (NT_STATUS_EQUAL(nt_status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
reply_arg = "*";
if (first) {
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();
}
} 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;
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 {
reply_code = "AF";
reply_arg = talloc_asprintf(state->gensec_state,
"%s%s%s", session_info->info->domain_name,
lpcfg_winbind_separator(lp_ctx), session_info->info->account_name);
talloc_free(session_info);
}
} else if (state->gensec_state->gensec_role == GENSEC_CLIENT) {
reply_code = "AF";
reply_arg = out_base64;
} else {
abort();
}
switch (stdio_helper_mode) {
case GSS_SPNEGO_SERVER:
mux_printf(mux_id, "%s %s %s\n", reply_code,
out_base64 ? out_base64 : "*",
reply_arg ? reply_arg : "*");
break;
default:
if (out_base64) {
mux_printf(mux_id, "%s %s\n", reply_code, out_base64);
} else if (reply_arg) {
mux_printf(mux_id, "%s %s\n", reply_code, reply_arg);
} else {
mux_printf(mux_id, "%s\n", reply_code);
}
}
talloc_free(mem_ctx);
return;
}
/**
* Fill in credentials for the machine trust account, from the secrets database.
*
* @param cred Credentials structure to fill in
* @retval NTSTATUS error detailing any failure
*/
static NTSTATUS cli_credentials_set_secrets_lct(struct cli_credentials *cred,
struct loadparm_context *lp_ctx,
struct ldb_context *ldb,
const char *base,
const char *filter,
time_t secrets_tdb_last_change_time,
const char *secrets_tdb_password,
char **error_string)
{
TALLOC_CTX *mem_ctx;
int ldb_ret;
struct ldb_message *msg;
const char *machine_account;
const char *password;
const char *domain;
const char *realm;
enum netr_SchannelType sct;
const char *salt_principal;
char *keytab;
const struct ldb_val *whenChanged;
time_t lct;
/* ok, we are going to get it now, don't recurse back here */
cred->machine_account_pending = false;
/* some other parts of the system will key off this */
cred->machine_account = true;
mem_ctx = talloc_named(cred, 0, "cli_credentials_set_secrets from ldb");
if (!ldb) {
/* Local secrets are stored in secrets.ldb */
ldb = secrets_db_connect(mem_ctx, lp_ctx);
if (!ldb) {
*error_string = talloc_strdup(cred, "Could not open secrets.ldb");
talloc_free(mem_ctx);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
}
ldb_ret = dsdb_search_one(ldb, mem_ctx, &msg,
ldb_dn_new(mem_ctx, ldb, base),
LDB_SCOPE_SUBTREE,
NULL, 0, "%s", filter);
if (ldb_ret != LDB_SUCCESS) {
*error_string = talloc_asprintf(cred, "Could not find entry to match filter: '%s' base: '%s': %s: %s",
filter, base ? base : "",
ldb_strerror(ldb_ret), ldb_errstring(ldb));
talloc_free(mem_ctx);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
password = ldb_msg_find_attr_as_string(msg, "secret", NULL);
whenChanged = ldb_msg_find_ldb_val(msg, "whenChanged");
if (!whenChanged || ldb_val_to_time(whenChanged, &lct) != LDB_SUCCESS) {
/* This attribute is mandetory */
talloc_free(mem_ctx);
return NT_STATUS_NOT_FOUND;
}
/* Don't set secrets.ldb info if the secrets.tdb entry was more recent */
if (lct < secrets_tdb_last_change_time) {
talloc_free(mem_ctx);
return NT_STATUS_NOT_FOUND;
}
if (lct == secrets_tdb_last_change_time && secrets_tdb_password && strcmp(password, secrets_tdb_password) != 0) {
talloc_free(mem_ctx);
return NT_STATUS_NOT_FOUND;
}
cli_credentials_set_password_last_changed_time(cred, lct);
machine_account = ldb_msg_find_attr_as_string(msg, "samAccountName", NULL);
if (!machine_account) {
machine_account = ldb_msg_find_attr_as_string(msg, "servicePrincipalName", NULL);
if (!machine_account) {
const char *ldap_bind_dn = ldb_msg_find_attr_as_string(msg, "ldapBindDn", NULL);
if (!ldap_bind_dn) {
*error_string = talloc_asprintf(cred,
"Could not find 'samAccountName', "
"'servicePrincipalName' or "
"'ldapBindDn' in secrets record: %s",
ldb_dn_get_linearized(msg->dn));
talloc_free(mem_ctx);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
} else {
/* store bind dn in credentials */
cli_credentials_set_bind_dn(cred, ldap_bind_dn);
}
}
}
salt_principal = ldb_msg_find_attr_as_string(msg, "saltPrincipal", NULL);
cli_credentials_set_salt_principal(cred, salt_principal);
sct = ldb_msg_find_attr_as_int(msg, "secureChannelType", 0);
if (sct) {
cli_credentials_set_secure_channel_type(cred, sct);
}
if (!password) {
const struct ldb_val *nt_password_hash = ldb_msg_find_ldb_val(msg, "unicodePwd");
struct samr_Password hash;
ZERO_STRUCT(hash);
if (nt_password_hash) {
memcpy(hash.hash, nt_password_hash->data,
MIN(nt_password_hash->length, sizeof(hash.hash)));
cli_credentials_set_nt_hash(cred, &hash, CRED_SPECIFIED);
} else {
cli_credentials_set_password(cred, NULL, CRED_SPECIFIED);
}
} else {
cli_credentials_set_password(cred, password, CRED_SPECIFIED);
}
domain = ldb_msg_find_attr_as_string(msg, "flatname", NULL);
if (domain) {
cli_credentials_set_domain(cred, domain, CRED_SPECIFIED);
}
realm = ldb_msg_find_attr_as_string(msg, "realm", NULL);
if (realm) {
cli_credentials_set_realm(cred, realm, CRED_SPECIFIED);
}
if (machine_account) {
cli_credentials_set_username(cred, machine_account, CRED_SPECIFIED);
}
cli_credentials_set_kvno(cred, ldb_msg_find_attr_as_int(msg, "msDS-KeyVersionNumber", 0));
/* If there was an external keytab specified by reference in
* the LDB, then use this. Otherwise we will make one up
* (chewing CPU time) from the password */
keytab = keytab_name_from_msg(cred, ldb, msg);
if (keytab) {
cli_credentials_set_keytab_name(cred, lp_ctx, keytab, CRED_SPECIFIED);
talloc_free(keytab);
}
talloc_free(mem_ctx);
return NT_STATUS_OK;
}
/**
* Fill in credentials for the machine trust account, from the secrets database.
*
* @param cred Credentials structure to fill in
* @retval NTSTATUS error detailing any failure
*/
NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred,
const char *base,
const char *filter)
{
TALLOC_CTX *mem_ctx;
struct ldb_context *ldb;
int ldb_ret;
struct ldb_message **msgs;
const char *attrs[] = {
"secret",
"priorSecret",
"samAccountName",
"flatname",
"realm",
"secureChannelType",
"ntPwdHash",
"msDS-KeyVersionNumber",
"saltPrincipal",
"privateKeytab",
"krb5Keytab",
NULL
};
const char *machine_account;
const char *password;
const char *old_password;
const char *domain;
const char *realm;
enum netr_SchannelType sct;
const char *salt_principal;
const char *keytab;
/* ok, we are going to get it now, don't recurse back here */
cred->machine_account_pending = False;
/* some other parts of the system will key off this */
cred->machine_account = True;
mem_ctx = talloc_named(cred, 0, "cli_credentials fetch machine password");
/* Local secrets are stored in secrets.ldb */
ldb = secrets_db_connect(mem_ctx);
if (!ldb) {
/* set anonymous as the fallback, if the machine account won't work */
cli_credentials_set_anonymous(cred);
DEBUG(1, ("Could not open secrets.ldb\n"));
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
/* search for the secret record */
ldb_ret = gendb_search(ldb,
mem_ctx, ldb_dn_new(mem_ctx, ldb, base),
&msgs, attrs,
"%s", filter);
if (ldb_ret == 0) {
DEBUG(1, ("Could not find entry to match filter: %s\n",
filter));
/* set anonymous as the fallback, if the machine account won't work */
cli_credentials_set_anonymous(cred);
talloc_free(mem_ctx);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
} else if (ldb_ret != 1) {
DEBUG(1, ("Found more than one (%d) entry to match filter: %s\n",
ldb_ret, filter));
/* set anonymous as the fallback, if the machine account won't work */
cli_credentials_set_anonymous(cred);
talloc_free(mem_ctx);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
password = ldb_msg_find_attr_as_string(msgs[0], "secret", NULL);
old_password = ldb_msg_find_attr_as_string(msgs[0], "priorSecret", NULL);
machine_account = ldb_msg_find_attr_as_string(msgs[0], "samAccountName", NULL);
if (!machine_account) {
DEBUG(1, ("Could not find 'samAccountName' in join record to domain: %s\n",
cli_credentials_get_domain(cred)));
/* set anonymous as the fallback, if the machine account won't work */
cli_credentials_set_anonymous(cred);
talloc_free(mem_ctx);
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
salt_principal = ldb_msg_find_attr_as_string(msgs[0], "saltPrincipal", NULL);
cli_credentials_set_salt_principal(cred, salt_principal);
sct = ldb_msg_find_attr_as_int(msgs[0], "secureChannelType", 0);
if (sct) {
cli_credentials_set_secure_channel_type(cred, sct);
}
if (!password) {
const struct ldb_val *nt_password_hash = ldb_msg_find_ldb_val(msgs[0], "ntPwdHash");
struct samr_Password hash;
ZERO_STRUCT(hash);
if (nt_password_hash) {
memcpy(hash.hash, nt_password_hash->data,
MIN(nt_password_hash->length, sizeof(hash.hash)));
cli_credentials_set_nt_hash(cred, &hash, CRED_SPECIFIED);
} else {
cli_credentials_set_password(cred, NULL, CRED_SPECIFIED);
}
} else {
cli_credentials_set_password(cred, password, CRED_SPECIFIED);
}
domain = ldb_msg_find_attr_as_string(msgs[0], "flatname", NULL);
if (domain) {
cli_credentials_set_domain(cred, domain, CRED_SPECIFIED);
}
realm = ldb_msg_find_attr_as_string(msgs[0], "realm", NULL);
if (realm) {
cli_credentials_set_realm(cred, realm, CRED_SPECIFIED);
}
cli_credentials_set_username(cred, machine_account, CRED_SPECIFIED);
cli_credentials_set_kvno(cred, ldb_msg_find_attr_as_int(msgs[0], "msDS-KeyVersionNumber", 0));
/* If there was an external keytab specified by reference in
* the LDB, then use this. Otherwise we will make one up
* (chewing CPU time) from the password */
keytab = ldb_msg_find_attr_as_string(msgs[0], "krb5Keytab", NULL);
if (keytab) {
cli_credentials_set_keytab_name(cred, keytab, CRED_SPECIFIED);
} else {
keytab = ldb_msg_find_attr_as_string(msgs[0], "privateKeytab", NULL);
if (keytab) {
keytab = talloc_asprintf(mem_ctx, "FILE:%s", private_path(mem_ctx, keytab));
if (keytab) {
cli_credentials_set_keytab_name(cred, keytab, CRED_SPECIFIED);
}
}
}
talloc_free(mem_ctx);
return NT_STATUS_OK;
}
/*
connect to a share - used when a tree_connect operation comes in.
*/
static NTSTATUS cvfs_connect(struct ntvfs_module_context *ntvfs,
struct ntvfs_request *req,
union smb_tcon* tcon)
{
NTSTATUS status;
struct cvfs_private *p;
const char *host, *user, *pass, *domain, *remote_share, *sharename;
struct share_config *scfg = ntvfs->ctx->config;
struct smb2_tree *tree;
struct cli_credentials *credentials;
bool machine_account;
struct smbcli_options options;
switch (tcon->generic.level) {
case RAW_TCON_TCON:
sharename = tcon->tcon.in.service;
break;
case RAW_TCON_TCONX:
sharename = tcon->tconx.in.path;
break;
case RAW_TCON_SMB2:
sharename = tcon->smb2.in.path;
break;
default:
return NT_STATUS_INVALID_LEVEL;
}
if (strncmp(sharename, "\\\\", 2) == 0) {
char *str = strchr(sharename+2, '\\');
if (str) {
sharename = str + 1;
}
}
/* Here we need to determine which server to connect to.
* For now we use parametric options, type cifs.
*/
host = share_string_option(scfg, SMB2_SERVER, NULL);
user = share_string_option(scfg, SMB2_USER, NULL);
pass = share_string_option(scfg, SMB2_PASSWORD, NULL);
domain = share_string_option(scfg, SMB2_DOMAIN, NULL);
remote_share = share_string_option(scfg, SMB2_SHARE, NULL);
if (!remote_share) {
remote_share = sharename;
}
machine_account = share_bool_option(scfg, SMB2_USE_MACHINE_ACCT, SMB2_USE_MACHINE_ACCT_DEFAULT);
p = talloc_zero(ntvfs, struct cvfs_private);
if (!p) {
return NT_STATUS_NO_MEMORY;
}
ntvfs->private_data = p;
if (!host) {
DEBUG(1,("CIFS backend: You must supply server\n"));
return NT_STATUS_INVALID_PARAMETER;
}
if (user && pass) {
DEBUG(5, ("CIFS backend: Using specified password\n"));
credentials = cli_credentials_init(p);
if (!credentials) {
return NT_STATUS_NO_MEMORY;
}
cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
if (domain) {
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
}
cli_credentials_set_password(credentials, pass, CRED_SPECIFIED);
} else if (machine_account) {
DEBUG(5, ("CIFS backend: Using machine account\n"));
credentials = cli_credentials_init(p);
cli_credentials_set_conf(credentials, ntvfs->ctx->lp_ctx);
if (domain) {
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
}
status = cli_credentials_set_machine_account(credentials, ntvfs->ctx->lp_ctx);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
} else if (req->session_info->credentials) {
DEBUG(5, ("CIFS backend: Using delegated credentials\n"));
credentials = req->session_info->credentials;
} else {
DEBUG(1,("CIFS backend: NO delegated credentials found: You must supply server, user and password or the client must supply delegated credentials\n"));
return NT_STATUS_INVALID_PARAMETER;
}
lpcfg_smbcli_options(ntvfs->ctx->lp_ctx, &options);
status = smb2_connect(p, host,
lpcfg_parm_string_list(p, ntvfs->ctx->lp_ctx, NULL, "smb2", "ports", NULL),
remote_share,
lpcfg_resolve_context(ntvfs->ctx->lp_ctx),
credentials,
&tree,
ntvfs->ctx->event_ctx, &options,
lpcfg_socket_options(ntvfs->ctx->lp_ctx),
lpcfg_gensec_settings(p, ntvfs->ctx->lp_ctx));
NT_STATUS_NOT_OK_RETURN(status);
status = smb2_get_roothandle(tree, &p->roothandle);
NT_STATUS_NOT_OK_RETURN(status);
p->tree = tree;
p->transport = p->tree->session->transport;
p->ntvfs = ntvfs;
ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
if (tcon->generic.level == RAW_TCON_TCONX) {
tcon->tconx.out.fs_type = ntvfs->ctx->fs_type;
tcon->tconx.out.dev_type = ntvfs->ctx->dev_type;
}
/* we need to receive oplock break requests from the server */
/* TODO: enable oplocks
smbcli_oplock_handler(p->transport, oplock_handler, p);
*/
return NT_STATUS_OK;
}
static NTSTATUS server_check_password(struct auth_method_context *ctx,
TALLOC_CTX *mem_ctx,
const struct auth_usersupplied_info *user_info,
struct auth_serversupplied_info **_server_info)
{
NTSTATUS nt_status;
struct auth_serversupplied_info *server_info;
struct cli_credentials *creds;
struct smb_composite_sesssetup session_setup;
struct smbcli_session *session = talloc_get_type(ctx->private_data, struct smbcli_session);
creds = cli_credentials_init(mem_ctx);
NT_STATUS_HAVE_NO_MEMORY(creds);
cli_credentials_set_username(creds, user_info->client.account_name, CRED_SPECIFIED);
cli_credentials_set_domain(creds, user_info->client.domain_name, CRED_SPECIFIED);
switch (user_info->password_state) {
case AUTH_PASSWORD_PLAIN:
cli_credentials_set_password(creds, user_info->password.plaintext,
CRED_SPECIFIED);
break;
case AUTH_PASSWORD_HASH:
cli_credentials_set_nt_hash(creds, user_info->password.hash.nt,
CRED_SPECIFIED);
break;
case AUTH_PASSWORD_RESPONSE:
cli_credentials_set_ntlm_response(creds, &user_info->password.response.lanman, &user_info->password.response.nt, CRED_SPECIFIED);
break;
}
session_setup.in.sesskey = session->transport->negotiate.sesskey;
session_setup.in.capabilities = session->transport->negotiate.capabilities;
session_setup.in.credentials = creds;
session_setup.in.workgroup = ""; /* Only used with SPNEGO, which we are not doing */
session_setup.in.gensec_settings = lp_gensec_settings(session, ctx->auth_ctx->lp_ctx);
/* Check password with remove server - this should be async some day */
nt_status = smb_composite_sesssetup(session, &session_setup);
if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}
server_info = talloc(mem_ctx, struct auth_serversupplied_info);
NT_STATUS_HAVE_NO_MEMORY(server_info);
server_info->account_sid = dom_sid_parse_talloc(server_info, SID_NT_ANONYMOUS);
NT_STATUS_HAVE_NO_MEMORY(server_info->account_sid);
/* is this correct? */
server_info->primary_group_sid = dom_sid_parse_talloc(server_info, SID_BUILTIN_GUESTS);
NT_STATUS_HAVE_NO_MEMORY(server_info->primary_group_sid);
server_info->n_domain_groups = 0;
server_info->domain_groups = NULL;
/* annoying, but the Anonymous really does have a session key,
and it is all zeros! */
server_info->user_session_key = data_blob(NULL, 0);
server_info->lm_session_key = data_blob(NULL, 0);
server_info->account_name = talloc_strdup(server_info, user_info->client.account_name);
NT_STATUS_HAVE_NO_MEMORY(server_info->account_name);
server_info->domain_name = talloc_strdup(server_info, user_info->client.domain_name);
NT_STATUS_HAVE_NO_MEMORY(server_info->domain_name);
server_info->full_name = NULL;
server_info->logon_script = talloc_strdup(server_info, "");
NT_STATUS_HAVE_NO_MEMORY(server_info->logon_script);
server_info->profile_path = talloc_strdup(server_info, "");
NT_STATUS_HAVE_NO_MEMORY(server_info->profile_path);
server_info->home_directory = talloc_strdup(server_info, "");
NT_STATUS_HAVE_NO_MEMORY(server_info->home_directory);
server_info->home_drive = talloc_strdup(server_info, "");
NT_STATUS_HAVE_NO_MEMORY(server_info->home_drive);
server_info->last_logon = 0;
server_info->last_logoff = 0;
server_info->acct_expiry = 0;
server_info->last_password_change = 0;
server_info->allow_password_change = 0;
server_info->force_password_change = 0;
server_info->logon_count = 0;
server_info->bad_password_count = 0;
server_info->acct_flags = ACB_NORMAL;
server_info->authenticated = false;
*_server_info = server_info;
return nt_status;
}
static NTSTATUS remote_op_bind(struct dcesrv_call_state *dce_call, const struct dcesrv_interface *iface, uint32_t if_version)
{
NTSTATUS status;
const struct ndr_interface_table *table;
struct dcesrv_remote_private *priv;
const char *binding = lpcfg_parm_string(dce_call->conn->dce_ctx->lp_ctx, NULL, "dcerpc_remote", "binding");
const char *user, *pass, *domain;
struct cli_credentials *credentials;
bool must_free_credentials = true;
bool machine_account;
struct dcerpc_binding *b;
struct composite_context *pipe_conn_req;
machine_account = lpcfg_parm_bool(dce_call->conn->dce_ctx->lp_ctx, NULL, "dcerpc_remote", "use_machine_account", false);
priv = talloc(dce_call->conn, struct dcesrv_remote_private);
if (!priv) {
return NT_STATUS_NO_MEMORY;
}
priv->c_pipe = NULL;
dce_call->context->private_data = priv;
if (!binding) {
DEBUG(0,("You must specify a DCE/RPC binding string\n"));
return NT_STATUS_INVALID_PARAMETER;
}
user = lpcfg_parm_string(dce_call->conn->dce_ctx->lp_ctx, NULL, "dcerpc_remote", "user");
pass = lpcfg_parm_string(dce_call->conn->dce_ctx->lp_ctx, NULL, "dcerpc_remote", "password");
domain = lpcfg_parm_string(dce_call->conn->dce_ctx->lp_ctx, NULL, "dceprc_remote", "domain");
table = ndr_table_by_syntax(&iface->syntax_id);
if (!table) {
dce_call->fault_code = DCERPC_FAULT_UNK_IF;
return NT_STATUS_NET_WRITE_FAULT;
}
if (user && pass) {
DEBUG(5, ("dcerpc_remote: RPC Proxy: Using specified account\n"));
credentials = cli_credentials_init(priv);
if (!credentials) {
return NT_STATUS_NO_MEMORY;
}
cli_credentials_set_conf(credentials, dce_call->conn->dce_ctx->lp_ctx);
cli_credentials_set_username(credentials, user, CRED_SPECIFIED);
if (domain) {
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
}
cli_credentials_set_password(credentials, pass, CRED_SPECIFIED);
} else if (machine_account) {
DEBUG(5, ("dcerpc_remote: RPC Proxy: Using machine account\n"));
credentials = cli_credentials_init(priv);
cli_credentials_set_conf(credentials, dce_call->conn->dce_ctx->lp_ctx);
if (domain) {
cli_credentials_set_domain(credentials, domain, CRED_SPECIFIED);
}
status = cli_credentials_set_machine_account(credentials, dce_call->conn->dce_ctx->lp_ctx);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
} else if (dce_call->conn->auth_state.session_info->credentials) {
DEBUG(5, ("dcerpc_remote: RPC Proxy: Using delegated credentials\n"));
credentials = dce_call->conn->auth_state.session_info->credentials;
must_free_credentials = false;
} else {
DEBUG(1,("dcerpc_remote: RPC Proxy: You must supply binding, user and password or have delegated credentials\n"));
return NT_STATUS_INVALID_PARAMETER;
}
/* parse binding string to the structure */
status = dcerpc_parse_binding(dce_call->context, binding, &b);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Failed to parse dcerpc binding '%s'\n", binding));
return status;
}
/* If we already have a remote association group ID, then use that */
if (dce_call->context->assoc_group->proxied_id != 0) {
status = dcerpc_binding_set_assoc_group_id(b,
dce_call->context->assoc_group->proxied_id);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("dcerpc_binding_set_assoc_group_id() - %s'\n",
nt_errstr(status)));
return status;
}
}
status = dcerpc_binding_set_abstract_syntax(b, &iface->syntax_id);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("dcerpc_binding_set_abstract_syntax() - %s'\n",
nt_errstr(status)));
return status;
}
DEBUG(3, ("Using binding %s\n", dcerpc_binding_string(dce_call->context, b)));
pipe_conn_req = dcerpc_pipe_connect_b_send(dce_call->context, b, table,
credentials, dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx);
status = dcerpc_pipe_connect_b_recv(pipe_conn_req, dce_call->context, &(priv->c_pipe));
if (must_free_credentials) {
talloc_free(credentials);
}
if (!NT_STATUS_IS_OK(status)) {
return status;
}
if (dce_call->context->assoc_group->proxied_id == 0) {
dce_call->context->assoc_group->proxied_id =
dcerpc_binding_get_assoc_group_id(priv->c_pipe->binding);
}
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return NT_STATUS_OK;
}
static bool torture_rpc_spoolss_access_setup_common(struct torture_context *tctx, struct torture_access_context *t)
{
void *testuser;
const char *testuser_passwd;
struct cli_credentials *test_credentials;
struct dom_sid *test_sid;
struct dcerpc_pipe *p;
const char *printername;
const char *binding = torture_setting_string(tctx, "binding", NULL);
struct dcerpc_pipe *spoolss_pipe;
testuser = torture_create_testuser_max_pwlen(tctx, t->user.username,
torture_setting_string(tctx, "workgroup", NULL),
ACB_NORMAL,
&testuser_passwd,
32);
if (!testuser) {
torture_fail(tctx, "Failed to create test user");
}
test_credentials = cli_credentials_init(tctx);
cli_credentials_set_workstation(test_credentials, "localhost", CRED_SPECIFIED);
cli_credentials_set_domain(test_credentials, lpcfg_workgroup(tctx->lp_ctx),
CRED_SPECIFIED);
cli_credentials_set_username(test_credentials, t->user.username, CRED_SPECIFIED);
cli_credentials_set_password(test_credentials, testuser_passwd, CRED_SPECIFIED);
test_sid = discard_const_p(struct dom_sid,
torture_join_user_sid(testuser));
if (t->user.num_builtin_memberships) {
struct dcerpc_pipe *samr_pipe = torture_join_samr_pipe(testuser);
torture_assert(tctx,
spoolss_access_setup_membership(tctx, samr_pipe,
t->user.num_builtin_memberships,
t->user.builtin_memberships,
test_sid),
"failed to setup membership");
}
if (t->user.num_privs) {
struct dcerpc_pipe *lsa_pipe;
torture_assert_ntstatus_ok(tctx,
torture_rpc_connection(tctx, &lsa_pipe, &ndr_table_lsarpc),
"Error connecting to server");
torture_assert(tctx,
spoolss_access_setup_privs(tctx, lsa_pipe,
t->user.num_privs,
t->user.privs,
test_sid,
&t->user.privs_present),
"failed to setup privs");
talloc_free(lsa_pipe);
}
torture_assert_ntstatus_ok(tctx,
torture_rpc_connection(tctx, &spoolss_pipe, &ndr_table_spoolss),
"Error connecting to server");
torture_assert(tctx,
test_EnumPrinters_findone(tctx, spoolss_pipe, &printername),
"failed to enumerate printers");
if (t->user.sd && printername) {
torture_assert(tctx,
spoolss_access_setup_sd(tctx, spoolss_pipe,
printername,
test_sid,
&t->sd_orig),
"failed to setup sd");
}
talloc_free(spoolss_pipe);
torture_assert_ntstatus_ok(tctx,
dcerpc_pipe_connect(tctx, &p, binding, &ndr_table_spoolss,
test_credentials, tctx->ev, tctx->lp_ctx),
"Error connecting to server");
t->spoolss_pipe = p;
t->printername = printername;
t->user.testuser = testuser;
return true;
}
/**
* Fill in credentials for the machine trust account, from the
* secrets.ldb or passed in handle to secrets.tdb (perhaps in CTDB).
*
* This version is used in parts of the code that can link in the
* CTDB dbwrap backend, by passing down the already open handle.
*
* @param cred Credentials structure to fill in
* @param db_ctx dbwrap context for secrets.tdb
* @retval NTSTATUS error detailing any failure
*/
_PUBLIC_ NTSTATUS cli_credentials_set_machine_account_db_ctx(struct cli_credentials *cred,
struct loadparm_context *lp_ctx,
struct db_context *db_ctx)
{
NTSTATUS status;
char *filter;
char *error_string = NULL;
const char *domain;
bool secrets_tdb_password_more_recent;
time_t secrets_tdb_lct = 0;
char *secrets_tdb_password = NULL;
char *secrets_tdb_old_password = NULL;
uint32_t secrets_tdb_secure_channel_type = SEC_CHAN_NULL;
char *keystr;
char *keystr_upper = NULL;
TALLOC_CTX *tmp_ctx = talloc_named(cred, 0, "cli_credentials_set_secrets from ldb");
if (!tmp_ctx) {
return NT_STATUS_NO_MEMORY;
}
/* Bleh, nasty recursion issues: We are setting a machine
* account here, so we don't want the 'pending' flag around
* any more */
cred->machine_account_pending = false;
/* We have to do this, as the fallback in
* cli_credentials_set_secrets is to run as anonymous, so the domain is wiped */
domain = cli_credentials_get_domain(cred);
if (db_ctx) {
TDB_DATA dbuf;
keystr = talloc_asprintf(tmp_ctx, "%s/%s",
SECRETS_MACHINE_LAST_CHANGE_TIME,
domain);
keystr_upper = strupper_talloc(tmp_ctx, keystr);
status = dbwrap_fetch(db_ctx, tmp_ctx, string_tdb_data(keystr_upper),
&dbuf);
if (NT_STATUS_IS_OK(status) && dbuf.dsize == 4) {
secrets_tdb_lct = IVAL(dbuf.dptr,0);
}
keystr = talloc_asprintf(tmp_ctx, "%s/%s",
SECRETS_MACHINE_PASSWORD,
domain);
keystr_upper = strupper_talloc(tmp_ctx, keystr);
status = dbwrap_fetch(db_ctx, tmp_ctx, string_tdb_data(keystr_upper),
&dbuf);
if (NT_STATUS_IS_OK(status)) {
secrets_tdb_password = (char *)dbuf.dptr;
}
keystr = talloc_asprintf(tmp_ctx, "%s/%s",
SECRETS_MACHINE_PASSWORD_PREV,
domain);
keystr_upper = strupper_talloc(tmp_ctx, keystr);
status = dbwrap_fetch(db_ctx, tmp_ctx, string_tdb_data(keystr_upper),
&dbuf);
if (NT_STATUS_IS_OK(status)) {
secrets_tdb_old_password = (char *)dbuf.dptr;
}
keystr = talloc_asprintf(tmp_ctx, "%s/%s",
SECRETS_MACHINE_SEC_CHANNEL_TYPE,
domain);
keystr_upper = strupper_talloc(tmp_ctx, keystr);
status = dbwrap_fetch(db_ctx, tmp_ctx, string_tdb_data(keystr_upper),
&dbuf);
if (NT_STATUS_IS_OK(status) && dbuf.dsize == 4) {
secrets_tdb_secure_channel_type = IVAL(dbuf.dptr,0);
}
}
filter = talloc_asprintf(cred, SECRETS_PRIMARY_DOMAIN_FILTER,
domain);
status = cli_credentials_set_secrets_lct(cred, lp_ctx, NULL,
SECRETS_PRIMARY_DOMAIN_DN,
filter, secrets_tdb_lct, secrets_tdb_password, &error_string);
if (secrets_tdb_password == NULL) {
secrets_tdb_password_more_recent = false;
} else if (NT_STATUS_EQUAL(NT_STATUS_CANT_ACCESS_DOMAIN_INFO, status)
|| NT_STATUS_EQUAL(NT_STATUS_NOT_FOUND, status)) {
secrets_tdb_password_more_recent = true;
} else if (secrets_tdb_lct > cli_credentials_get_password_last_changed_time(cred)) {
secrets_tdb_password_more_recent = true;
} else if (secrets_tdb_lct == cli_credentials_get_password_last_changed_time(cred)) {
secrets_tdb_password_more_recent = strcmp(secrets_tdb_password, cli_credentials_get_password(cred)) != 0;
} else {
secrets_tdb_password_more_recent = false;
}
if (secrets_tdb_password_more_recent) {
char *machine_account = talloc_asprintf(tmp_ctx, "%s$", lpcfg_netbios_name(lp_ctx));
cli_credentials_set_password(cred, secrets_tdb_password, CRED_SPECIFIED);
cli_credentials_set_old_password(cred, secrets_tdb_old_password, CRED_SPECIFIED);
cli_credentials_set_domain(cred, domain, CRED_SPECIFIED);
if (strequal(domain, lpcfg_workgroup(lp_ctx))) {
cli_credentials_set_realm(cred, lpcfg_realm(lp_ctx), CRED_SPECIFIED);
}
cli_credentials_set_username(cred, machine_account, CRED_SPECIFIED);
cli_credentials_set_password_last_changed_time(cred, secrets_tdb_lct);
cli_credentials_set_secure_channel_type(cred, secrets_tdb_secure_channel_type);
status = NT_STATUS_OK;
} else if (!NT_STATUS_IS_OK(status)) {
if (db_ctx) {
error_string
= talloc_asprintf(cred,
"Failed to fetch machine account password for %s from both "
"secrets.ldb (%s) and from %s",
domain,
error_string == NULL ? "error" : error_string,
dbwrap_name(db_ctx));
} else {
char *secrets_tdb_path;
secrets_tdb_path = lpcfg_private_db_path(tmp_ctx,
lp_ctx,
"secrets");
if (secrets_tdb_path == NULL) {
return NT_STATUS_NO_MEMORY;
}
error_string = talloc_asprintf(cred,
"Failed to fetch machine account password from "
"secrets.ldb: %s and failed to open %s",
error_string == NULL ? "error" : error_string,
secrets_tdb_path);
}
DEBUG(1, ("Could not find machine account in secrets database: %s: %s\n",
error_string == NULL ? "error" : error_string,
nt_errstr(status)));
/* set anonymous as the fallback, if the machine account won't work */
cli_credentials_set_anonymous(cred);
}
TALLOC_FREE(tmp_ctx);
return status;
}
