Example #1
0
/*
  reopen a connection
 */
static void reopen_connection(struct tevent_context *ev, struct tevent_timer *te, 
			      struct timeval t, void *private_data)
{
	struct benchopen_state *state = (struct benchopen_state *)private_data;
	struct composite_context *ctx;
	struct smb_composite_connect *io = &state->reconnect;
	char *host, *share;

	state->te = NULL;

	if (!torture_get_conn_index(state->client_num, state->mem_ctx, state->tctx, &host, &share)) {
		DEBUG(0,("Can't find host/share for reconnect?!\n"));
		exit(1);
	}

	io->in.dest_host    = state->dest_host;
	io->in.dest_ports   = state->dest_ports;
	io->in.socket_options = lpcfg_socket_options(state->tctx->lp_ctx);
	io->in.called_name  = state->called_name;
	io->in.service      = share;
	io->in.service_type = state->service_type;
	io->in.credentials  = cmdline_credentials;
	io->in.fallback_to_anonymous = false;
	io->in.workgroup    = lpcfg_workgroup(state->tctx->lp_ctx);
	io->in.gensec_settings = lpcfg_gensec_settings(state->mem_ctx, state->tctx->lp_ctx);
	lpcfg_smbcli_options(state->tctx->lp_ctx, &io->in.options);
	lpcfg_smbcli_session_options(state->tctx->lp_ctx, &io->in.session_options);

	/* kill off the remnants of the old connection */
	talloc_free(state->tree);
	state->tree = NULL;
	state->open_fnum = -1;
	state->close_fnum = -1;

	ctx = smb_composite_connect_send(io, state->mem_ctx, 
					 lpcfg_resolve_context(state->tctx->lp_ctx),
					 state->ev);
	if (ctx == NULL) {
		DEBUG(0,("Failed to setup async reconnect\n"));
		exit(1);
	}

	ctx->async.fn = reopen_connection_complete;
	ctx->async.private_data = state;
}
Example #2
0
/*
  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;
}