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path: root/source4/scripting/ejs/ejsnet/net_ctx.c
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/* 
   Unix SMB/CIFS implementation.

   provides interfaces to libnet calls from ejs scripts

   Copyright (C) Rafal Szczesniak  2005-2007
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"
#include "lib/appweb/ejs/ejs.h"
#include "scripting/ejs/smbcalls.h"
#include "libnet/libnet.h"
#include "events/events.h"
#include "auth/credentials/credentials.h"


int ejs_net_userman(MprVarHandle eid, int argc, struct MprVar** argv);
int ejs_net_hostman(MprVarHandle eid, int argc, struct MprVar** argv);

static int ejs_net_join_domain(MprVarHandle eid, int argc, struct MprVar **argv);
static int ejs_net_samsync_ldb(MprVarHandle eid, int argc, struct MprVar **argv);

/*
  Usage:
  net = NetContext(credentials);
*/

static int ejs_net_context(MprVarHandle eid, int argc, struct MprVar **argv)
{
	TALLOC_CTX *event_mem_ctx = talloc_new(mprMemCtx());
	struct cli_credentials *creds;
	struct libnet_context *ctx;
	struct MprVar obj, mprCreds;
	struct event_context *ev;

	if (!event_mem_ctx) {
		ejsSetErrorMsg(eid, "talloc_new() failed");
		return -1;
	}
	ev = event_context_find(event_mem_ctx);

	ctx = libnet_context_init(ev, mprLpCtx());
	/* IF we generated a new event context, it will be under here,
	 * and we need it to last as long as the libnet context, so
	 * make it a child */
	talloc_steal(ctx, event_mem_ctx);

	if (argc == 0 || (argc == 1 && argv[0]->type == MPR_TYPE_NULL)) {
		/* 
		   create the default credentials
		*/
		creds = cli_credentials_init(ctx);
		if (creds == NULL) {
			ejsSetErrorMsg(eid, "cli_credential_init() failed");
			talloc_free(ctx);
			return -1;
		}
		cli_credentials_set_conf(creds, mprLpCtx());
		cli_credentials_set_anonymous(creds);

		mprCreds = mprCredentials(creds);

	} else if (argc == 1 && argv[0]->type == MPR_TYPE_OBJECT) {
		/*
		  get credential values from credentials object
		*/
		mprCreds = *(argv[0]);
		creds = (struct cli_credentials *)mprGetPtr(&mprCreds, "creds");
		if (creds == NULL) {
			ejsSetErrorMsg(eid, "invalid credentials parameter");
			talloc_free(ctx);
			return -1;
		}

	} else {
		ejsSetErrorMsg(eid, "NetContext invalid arguments, this function requires an object.");
		talloc_free(ctx);
		return -1;
	}
	
	/* setup libnet_context credentials */
	ctx->cred = creds;

	/* create the NetContext object */
	obj = mprObject("NetContext");

	/* add internal libnet_context pointer to the NetContext object */
	mprSetPtrChild(&obj, "ctx", ctx);

	/* add properties publicly available from js code */
	mprCreateProperty(&obj, "credentials", &mprCreds);
	
	/* add methods to the object */
	mprSetCFunction(&obj, "UserMgr", ejs_net_userman);
	mprSetCFunction(&obj, "HostMgr", ejs_net_hostman);
	mprSetCFunction(&obj, "JoinDomain", ejs_net_join_domain);
	mprSetCFunction(&obj, "SamSyncLdb", ejs_net_samsync_ldb);

	/* return the object */
	mpr_Return(eid, obj);

	return 0;
}


static int ejs_net_join_domain(MprVarHandle eid, int argc, struct MprVar **argv)
{
	TALLOC_CTX *mem_ctx;
	struct libnet_context *ctx;
	struct libnet_Join *join;
	NTSTATUS status;
	ctx = (struct libnet_context *)mprGetThisPtr(eid, "ctx");
	mem_ctx = talloc_new(mprMemCtx());

	join = talloc(mem_ctx, struct libnet_Join);
	if (!join) {
		talloc_free(mem_ctx);
		return -1;
	}

	/* prepare parameters for the join */
	join->in.netbios_name  = NULL;
	join->in.join_type     = SEC_CHAN_WKSTA;
	join->in.domain_name   = cli_credentials_get_domain(ctx->cred);
	join->in.level         = LIBNET_JOIN_AUTOMATIC;
	join->out.error_string = NULL;

	if (argc == 1 && argv[0]->type == MPR_TYPE_OBJECT) {
		MprVar *netbios_name = mprGetProperty(argv[0], "netbios_name", NULL);
		MprVar *domain_name = mprGetProperty(argv[0], "domain_name", NULL);
		MprVar *join_type = mprGetProperty(argv[0], "join_type", NULL);
		if (netbios_name) {
			join->in.netbios_name = mprToString(netbios_name);
		}
		if (domain_name) {
			join->in.domain_name = mprToString(domain_name);
		}
		if (join_type) {
			join->in.join_type = mprToInt(join_type);
		}
	}

	if (!join->in.domain_name) {
		ejsSetErrorMsg(eid, "a domain must be specified for to join");
		talloc_free(mem_ctx);
		return -1;
	}

	/* do the domain join */
	status = libnet_Join(ctx, join, join);
	
	if (!NT_STATUS_IS_OK(status)) {
		MprVar error_string = mprString(join->out.error_string);
		
		mprSetPropertyValue(argv[0], "error_string", error_string);
		mpr_Return(eid, mprCreateBoolVar(false));
	} else {
		mpr_Return(eid, mprCreateBoolVar(true));
	}
	talloc_free(mem_ctx);
	return 0;
}


static int ejs_net_samsync_ldb(MprVarHandle eid, int argc, struct MprVar **argv)
{
	TALLOC_CTX *mem_ctx;
	struct libnet_context *ctx;
	struct libnet_samsync_ldb *samsync;
	NTSTATUS status;
	ctx = (struct libnet_context *)mprGetThisPtr(eid, "ctx");
	mem_ctx = talloc_new(mprMemCtx());

	samsync = talloc(mem_ctx, struct libnet_samsync_ldb);
	if (!samsync) {
		talloc_free(mem_ctx);
		return -1;
	}

	/* prepare parameters for the samsync */
	samsync->in.machine_account = NULL;
	samsync->in.session_info = NULL;
	samsync->in.binding_string = NULL;
	samsync->out.error_string = NULL;

	if (argc == 1 && argv[0]->type == MPR_TYPE_OBJECT) {
		MprVar *credentials = mprGetProperty(argv[0], "machine_account", NULL);
		MprVar *session_info = mprGetProperty(argv[0], "session_info", NULL);
		if (credentials) {
			samsync->in.machine_account = talloc_get_type(mprGetPtr(credentials, "creds"), struct cli_credentials);
		}
		if (session_info) {
			samsync->in.session_info = talloc_get_type(mprGetPtr(session_info, "session_info"), struct auth_session_info);
		}
	}

	/* do the domain samsync */
	status = libnet_samsync_ldb(ctx, samsync, samsync);
	
	if (!NT_STATUS_IS_OK(status)) {
		MprVar error_string = mprString(samsync->out.error_string);
		
		mprSetPropertyValue(argv[0], "error_string", error_string);
		mpr_Return(eid, mprCreateBoolVar(false));
	} else {
		mpr_Return(eid, mprCreateBoolVar(true));
	}
	talloc_free(mem_ctx);
	return 0;
}


NTSTATUS smb_setup_ejs_net(void)
{
	ejsDefineCFunction(-1, "NetContext", ejs_net_context, NULL, MPR_VAR_SCRIPT_HANDLE);
	return NT_STATUS_OK;
}