/*
   Samba Unix/Linux SMB client library
   Distributed SMB/CIFS Server Management Utility
   Copyright (C) 2001 Steve French  (sfrench@us.ibm.com)
   Copyright (C) 2001 Jim McDonough (jmcd@us.ibm.com)
   Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
   Copyright (C) 2001 Andrew Bartlett (abartlet@samba.org)
   Copyright (C) 2008 Kai Blin (kai@samba.org)

   Originally written by Steve and Jim. Largely rewritten by tridge in
   November 2001.

   Reworked again by abartlet in December 2001

   Another overhaul, moving functionality into plug-ins loaded on demand by Kai
   in May 2008.

   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/>.  */

/*****************************************************/
/*                                                   */
/*   Distributed SMB/CIFS Server Management Utility  */
/*                                                   */
/*   The intent was to make the syntax similar       */
/*   to the NET utility (first developed in DOS      */
/*   with additional interesting & useful functions  */
/*   added in later SMB server network operating     */
/*   systems).                                       */
/*                                                   */
/*****************************************************/

#include "includes.h"
#include "popt_common.h"
#include "utils/net.h"
#include "secrets.h"
#include "lib/netapi/netapi.h"
#include "../libcli/security/security.h"

#ifdef WITH_FAKE_KASERVER
#include "utils/net_afs.h"
#endif

/***********************************************************************/
/* end of internationalization section                                 */
/***********************************************************************/

enum netr_SchannelType get_sec_channel_type(const char *param)
{
	if (!(param && *param)) {
		return get_default_sec_channel();
	} else {
		if (strequal(param, "PDC")) {
			return SEC_CHAN_BDC;
		} else if (strequal(param, "BDC")) {
			return SEC_CHAN_BDC;
		} else if (strequal(param, "MEMBER")) {
			return SEC_CHAN_WKSTA;
#if 0
		} else if (strequal(param, "DOMAIN")) {
			return SEC_CHAN_DOMAIN;
#endif
		} else {
			return get_default_sec_channel();
		}
	}
}

static int net_changetrustpw(struct net_context *c, int argc, const char **argv)
{
	if (net_ads_check_our_domain(c) == 0)
		return net_ads_changetrustpw(c, argc, argv);

	return net_rpc_changetrustpw(c, argc, argv);
}

static void set_line_buffering(FILE *f)
{
	setvbuf(f, NULL, _IOLBF, 0);
}

static int net_changesecretpw(struct net_context *c, int argc,
			      const char **argv)
{
        char *trust_pw;
        enum netr_SchannelType sec_channel_type = SEC_CHAN_WKSTA;

	if(c->opt_force) {
		if (c->opt_stdin) {
			set_line_buffering(stdin);
			set_line_buffering(stdout);
			set_line_buffering(stderr);
		}

		trust_pw = get_pass(_("Enter machine password: "), c->opt_stdin);

		if (!secrets_store_machine_password(trust_pw, lp_workgroup(), sec_channel_type)) {
			    d_fprintf(stderr,
				      _("Unable to write the machine account password in the secrets database"));
			    return 1;
		}
		else {
		    d_printf(_("Modified trust account password in secrets database\n"));
		}
	}
	else {
		d_printf(_("Machine account password change requires the -f flag.\n"
			   "Do NOT use this function unless you know what it does!\n"
		           "This function will change the ADS Domain member "
			   "machine account password in the secrets.tdb file!\n"));
	}

        return 0;
}

/**
 * @brief Set the authorised user for winbindd access in secrets.tdb
 */
static int net_setauthuser(struct net_context *c, int argc, const char **argv)
{
	const char *password = NULL;

	if (!secrets_init()) {
		d_fprintf(stderr, _("Failed to open secrets.tdb.\n"));
		return 1;
	}

	/* Delete the settings. */
	if (argc >= 1) {
		if (strncmp(argv[0], "delete", 6) != 0) {
			d_fprintf(stderr,_("Usage:\n"));
			d_fprintf(stderr,
				  _("    net setauthuser -U user[%%password] \n"
				    "        Set the auth user account to user"
				    "password. Prompt for password if not "
				    "specified.\n"));
			d_fprintf(stderr,
				  _("    net setauthuser delete\n"
				    "        Delete the auth user setting.\n"));
			return 1;
		}
		secrets_delete(SECRETS_AUTH_USER);
		secrets_delete(SECRETS_AUTH_DOMAIN);
		secrets_delete(SECRETS_AUTH_PASSWORD);
		return 0;
	}

	if (!c->opt_user_specified) {
		d_fprintf(stderr, _("Usage:\n"));
		d_fprintf(stderr,
			  _("    net setauthuser -U user[%%password]\n"
			    "        Set the auth user account to user"
			    "password. Prompt for password if not "
			    "specified.\n"));
		d_fprintf(stderr,
			  _("    net setauthuser delete\n"
			    "        Delete the auth user setting.\n"));
		return 1;
	}

	password = net_prompt_pass(c, _("the auth user"));
	if (password == NULL) {
		d_fprintf(stderr,_("Failed to get the auth users password.\n"));
		return 1;
	}

	if (!secrets_store(SECRETS_AUTH_USER, c->opt_user_name,
			   strlen(c->opt_user_name) + 1)) {
		d_fprintf(stderr, _("error storing auth user name\n"));
		return 1;
	}

	if (!secrets_store(SECRETS_AUTH_DOMAIN, c->opt_workgroup,
			   strlen(c->opt_workgroup) + 1)) {
		d_fprintf(stderr, _("error storing auth user domain\n"));
		return 1;
	}

	if (!secrets_store(SECRETS_AUTH_PASSWORD, password,
			   strlen(password) + 1)) {
		d_fprintf(stderr, _("error storing auth user password\n"));
		return 1;
	}

	return 0;
}

/**
 * @brief Get the auth user settings
 */
static int net_getauthuser(struct net_context *c, int argc, const char **argv)
{
	char *user, *domain, *password;

	/* Lift data from secrets file */

	secrets_fetch_ipc_userpass(&user, &domain, &password);

	if ((!user || !*user) && (!domain || !*domain ) &&
	    (!password || !*password)){

		SAFE_FREE(user);
		SAFE_FREE(domain);
		SAFE_FREE(password);
		d_printf(_("No authorised user configured\n"));
		return 0;
	}

	/* Pretty print authorised user info */

	d_printf("%s%s%s%s%s\n", domain ? domain : "",
		 domain ? lp_winbind_separator(): "", user,
		 password ? "%" : "", password ? password : "");

	SAFE_FREE(user);
	SAFE_FREE(domain);
	SAFE_FREE(password);

	return 0;
}
/*
 Retrieve our local SID or the SID for the specified name
 */
static int net_getlocalsid(struct net_context *c, int argc, const char **argv)
{
        struct dom_sid sid;
	const char *name;
	fstring sid_str;

	if (argc >= 1) {
		name = argv[0];
        }
	else {
		name = global_myname();
	}

	if(!initialize_password_db(false, NULL)) {
		DEBUG(0, ("WARNING: Could not open passdb - local sid may not reflect passdb\n"
			  "backend knowledge (such as the sid stored in LDAP)\n"));
	}

	/* first check to see if we can even access secrets, so we don't
	   panic when we can't. */

	if (!secrets_init()) {
		d_fprintf(stderr,
			  _("Unable to open secrets.tdb.  Can't fetch domain "
			    "SID for name: %s\n"), name);
		return 1;
	}

	/* Generate one, if it doesn't exist */
	get_global_sam_sid();

	if (!secrets_fetch_domain_sid(name, &sid)) {
		DEBUG(0, ("Can't fetch domain SID for name: %s\n", name));
		return 1;
	}
	sid_to_fstring(sid_str, &sid);
	d_printf(_("SID for domain %s is: %s\n"), name, sid_str);
	return 0;
}

static int net_setlocalsid(struct net_context *c, int argc, const char **argv)
{
	struct dom_sid sid;

	if ( (argc != 1)
	     || (strncmp(argv[0], "S-1-5-21-", strlen("S-1-5-21-")) != 0)
	     || (!string_to_sid(&sid, argv[0]))
	     || (sid.num_auths != 4)) {
		d_printf(_("Usage:"));
		d_printf(" net setlocalsid S-1-5-21-x-y-z\n");
		return 1;
	}

	if (!secrets_store_domain_sid(global_myname(), &sid)) {
		DEBUG(0,("Can't store domain SID as a pdc/bdc.\n"));
		return 1;
	}

	return 0;
}

static int net_setdomainsid(struct net_context *c, int argc, const char **argv)
{
	struct dom_sid sid;

	if ( (argc != 1)
	     || (strncmp(argv[0], "S-1-5-21-", strlen("S-1-5-21-")) != 0)
	     || (!string_to_sid(&sid, argv[0]))
	     || (sid.num_auths != 4)) {
		d_printf(_("Usage:"));
		d_printf(" net setdomainsid S-1-5-21-x-y-z\n");
		return 1;
	}

	if (!secrets_store_domain_sid(lp_workgroup(), &sid)) {
		DEBUG(0,("Can't store domain SID.\n"));
		return 1;
	}

	return 0;
}

static int net_getdomainsid(struct net_context *c, int argc, const char **argv)
{
	struct dom_sid domain_sid;
	fstring sid_str;

	if (argc > 0) {
		d_printf(_("Usage:"));
		d_printf(" net getdomainsid\n");
		return 1;
	}

	if(!initialize_password_db(false, NULL)) {
		DEBUG(0, ("WARNING: Could not open passdb - domain SID may "
			  "not reflect passdb\n"
			  "backend knowledge (such as the SID stored in "
			  "LDAP)\n"));
	}

	/* first check to see if we can even access secrets, so we don't
	   panic when we can't. */

	if (!secrets_init()) {
		d_fprintf(stderr, _("Unable to open secrets.tdb.  Can't fetch "
				    "domain SID for name: %s\n"),
			  get_global_sam_name());
		return 1;
	}

	/* Generate one, if it doesn't exist */
	get_global_sam_sid();

	if (!secrets_fetch_domain_sid(global_myname(), &domain_sid)) {
		d_fprintf(stderr, _("Could not fetch local SID\n"));
		return 1;
	}
	sid_to_fstring(sid_str, &domain_sid);
	d_printf(_("SID for local machine %s is: %s\n"),
		 global_myname(), sid_str);

	if (!secrets_fetch_domain_sid(c->opt_workgroup, &domain_sid)) {
		d_fprintf(stderr, _("Could not fetch domain SID\n"));
		return 1;
	}

	sid_to_fstring(sid_str, &domain_sid);
	d_printf(_("SID for domain %s is: %s\n"), c->opt_workgroup, sid_str);

	return 0;
}

static bool search_maxrid(struct pdb_search *search, const char *type,
			  uint32 *max_rid)
{
	struct samr_displayentry *entries;
	uint32 i, num_entries;

	if (search == NULL) {
		d_fprintf(stderr, _("get_maxrid: Could not search %s\n"), type);
		return false;
	}

	num_entries = pdb_search_entries(search, 0, 0xffffffff, &entries);
	for (i=0; i<num_entries; i++)
		*max_rid = MAX(*max_rid, entries[i].rid);
	TALLOC_FREE(search);
	return true;
}

static uint32 get_maxrid(void)
{
	uint32 max_rid = 0;

	if (!search_maxrid(pdb_search_users(talloc_tos(), 0), "users", &max_rid))
		return 0;

	if (!search_maxrid(pdb_search_groups(talloc_tos()), "groups", &max_rid))
		return 0;

	if (!search_maxrid(pdb_search_aliases(talloc_tos(),
					      get_global_sam_sid()),
			   "aliases", &max_rid))
		return 0;

	return max_rid;
}

static int net_maxrid(struct net_context *c, int argc, const char **argv)
{
	uint32 rid;

	if (argc != 0) {
	        d_fprintf(stderr, "%s net maxrid\n", _("Usage:"));
		return 1;
	}

	if ((rid = get_maxrid()) == 0) {
		d_fprintf(stderr, _("can't get current maximum rid\n"));
		return 1;
	}

	d_printf(_("Currently used maximum rid: %d\n"), rid);

	return 0;
}

/* main function table */
static struct functable net_func[] = {
	{
		"rpc",
		net_rpc,
		NET_TRANSPORT_RPC,
		N_("Run functions using RPC transport"),
		N_("  Use 'net help rpc' to get more extensive information "
		   "about 'net rpc' commands.")
	},
	{
		"rap",
		net_rap,
		NET_TRANSPORT_RAP,
		N_("Run functions using RAP transport"),
		N_("  Use 'net help rap' to get more extensive information "
		   "about 'net rap' commands.")
	},
	{
		"ads",
		net_ads,
		NET_TRANSPORT_ADS,
		N_("Run functions using ADS transport"),
		N_("  Use 'net help ads' to get more extensive information "
		   "about 'net ads' commands.")
	},

	/* eventually these should auto-choose the transport ... */
	{
		"file",
		net_file,
		NET_TRANSPORT_RPC | NET_TRANSPORT_RAP,
		N_("Functions on remote opened files"),
		N_("  Use 'net help file' to get more information about 'net "
		   "file' commands.")
	},
	{
		"share",
		net_share,
		NET_TRANSPORT_RPC | NET_TRANSPORT_RAP,
		N_("Functions on shares"),
		N_("  Use 'net help share' to get more information about 'net "
		   "share' commands.")
	},
	{
		"session",
		net_rap_session,
		NET_TRANSPORT_RAP,
		N_("Manage sessions"),
		N_("  Use 'net help session' to get more information about "
		   "'net session' commands.")
	},
	{
		"server",
		net_rap_server,
		NET_TRANSPORT_RAP,
		N_("List servers in workgroup"),
		N_("  Use 'net help server' to get more information about 'net "
		   "server' commands.")
	},
	{
		"domain",
		net_rap_domain,
		NET_TRANSPORT_RAP,
		N_("List domains/workgroups on network"),
		N_("  Use 'net help domain' to get more information about 'net "
		   "domain' commands.")
	},
	{
		"printq",
		net_rap_printq,
		NET_TRANSPORT_RAP,
		N_("Modify printer queue"),
		N_("  Use 'net help printq' to get more information about 'net "
		   "printq' commands.")
	},
	{
		"user",
		net_user,
		NET_TRANSPORT_ADS | NET_TRANSPORT_RPC | NET_TRANSPORT_RAP,
		N_("Manage users"),
		N_("  Use 'net help user' to get more information about 'net "
		   "user' commands.")
	},
	{
		"group",
		net_group,
		NET_TRANSPORT_ADS | NET_TRANSPORT_RPC | NET_TRANSPORT_RAP,
		N_("Manage groups"),
		N_("  Use 'net help group' to get more information about 'net "
		   "group' commands.")
	},
	{
		"groupmap",
		net_groupmap,
		NET_TRANSPORT_LOCAL,
		N_("Manage group mappings"),
		N_("  Use 'net help groupmap' to get more information about "
		   "'net groupmap' commands.")
	},
	{
		"sam",
		net_sam,
		NET_TRANSPORT_LOCAL,
		N_("Functions on the SAM database"),
		N_("  Use 'net help sam' to get more information about 'net "
		   "sam' commands.")
	},
	{
		"validate",
		net_rap_validate,
		NET_TRANSPORT_RAP,
		N_("Validate username and password"),
		N_("  Use 'net help validate' to get more information about "
		   "'net validate' commands.")
	},
	{
		"groupmember",
		net_rap_groupmember,
		NET_TRANSPORT_RAP,
		N_("Modify group memberships"),
		N_("  Use 'net help groupmember' to get more information about "
		   "'net groupmember' commands.")
	},
	{	"admin",
		net_rap_admin,
		NET_TRANSPORT_RAP,
		N_("Execute remote command on a remote OS/2 server"),
		N_("  Use 'net help admin' to get more information about 'net "
		   "admin' commands.")
	},
	{	"service",
		net_rap_service,
		NET_TRANSPORT_RAP,
		N_("List/modify running services"),
		N_("  Use 'net help service' to get more information about "
		   "'net service' commands.")
	},
	{
		"password",
		net_rap_password,
		NET_TRANSPORT_RAP,
		N_("Change user password on target server"),
		N_("  Use 'net help password' to get more information about "
		   "'net password' commands.")
	},
	{	"changetrustpw",
		net_changetrustpw,
		NET_TRANSPORT_ADS | NET_TRANSPORT_RPC,
		N_("Change the trust password"),
		N_("  Use 'net help changetrustpw' to get more information "
		   "about 'net changetrustpw'.")
	},
	{	"changesecretpw",
		net_changesecretpw,
		NET_TRANSPORT_LOCAL,
		N_("Change the secret password"),
		N_("  net [options] changesecretpw\n"
		   "    Change the ADS domain member machine account password "
		   "in secrets.tdb.\n"
		   "    Do NOT use this function unless you know what it does.\n"
		   "    Requires the -f flag to work.")
	},
	{
		"setauthuser",
		net_setauthuser,
		NET_TRANSPORT_LOCAL,
		N_("Set the winbind auth user"),
		N_("  net -U user[%%password] [-W domain] setauthuser\n"
		   "    Set the auth user, password (and optionally domain\n"
		   "    Will prompt for password if not given.\n"
		   "  net setauthuser delete\n"
		   "    Delete the existing auth user settings.")
	},
	{
		"getauthuser",
		net_getauthuser,
		NET_TRANSPORT_LOCAL,
		N_("Get the winbind auth user settings"),
		N_("  net getauthuser\n"
		   "    Get the current winbind auth user settings.")
	},
	{	"time",
		net_time,
		NET_TRANSPORT_LOCAL,
		N_("Show/set time"),
		N_("  Use 'net help time' to get more information about 'net "
		   "time' commands.")
	},
	{	"lookup",
		net_lookup,
		NET_TRANSPORT_LOCAL,
		N_("Look up host names/IP addresses"),
		N_("  Use 'net help lookup' to get more information about 'net "
		   "lookup' commands.")
	},
	{	"g_lock",
		net_g_lock,
		NET_TRANSPORT_LOCAL,
		N_("Manipulate the global lock table"),
		N_("  Use 'net help g_lock' to get more information about "
		   "'net g_lock' commands.")
	},
	{	"join",
		net_join,
		NET_TRANSPORT_ADS | NET_TRANSPORT_RPC,
		N_("Join a domain/AD"),
		N_("  Use 'net help join' to get more information about 'net "
		   "join'.")
	},
	{	"dom",
		net_dom,
		NET_TRANSPORT_LOCAL,
		N_("Join/unjoin (remote) machines to/from a domain/AD"),
		N_("  Use 'net help dom' to get more information about 'net "
		   "dom' commands.")
	},
	{	"cache",
		net_cache,
		NET_TRANSPORT_LOCAL,
		N_("Operate on the cache tdb file"),
		N_("  Use 'net help cache' to get more information about 'net "
		   "cache' commands.")
	},
	{	"getlocalsid",
		net_getlocalsid,
		NET_TRANSPORT_LOCAL,
		N_("Get the SID for the local domain"),
		N_("  net getlocalsid")
	},
	{	"setlocalsid",
		net_setlocalsid,
		NET_TRANSPORT_LOCAL,
		N_("Set the SID for the local domain"),
		N_("  net setlocalsid S-1-5-21-x-y-z")
	},
	{	"setdomainsid",
		net_setdomainsid,
		NET_TRANSPORT_LOCAL,
		N_("Set domain SID on member servers"),
		N_("  net setdomainsid S-1-5-21-x-y-z")
	},
	{	"getdomainsid",
		net_getdomainsid,
		NET_TRANSPORT_LOCAL,
		N_("Get domain SID on member servers"),
		N_("  net getdomainsid")
	},
	{	"maxrid",
		net_maxrid,
		NET_TRANSPORT_LOCAL,
		N_("Display the maximul RID currently used"),
		N_("  net maxrid")
	},
	{	"idmap",
		net_idmap,
		NET_TRANSPORT_LOCAL,
		N_("IDmap functions"),
		N_("  Use 'net help idmap to get more information about 'net "
		  "idmap' commands.")
	},
	{	"status",
		net_status,
		NET_TRANSPORT_LOCAL,
		N_("Display server status"),
		N_("  Use 'net help status' to get more information about 'net "
		   "status' commands.")
	},
	{	"usershare",
		net_usershare,
		NET_TRANSPORT_LOCAL,
		N_("Manage user-modifiable shares"),
		N_("  Use 'net help usershare to get more information about "
		   "'net usershare' commands.")
	},
	{	"usersidlist",
		net_usersidlist,
		NET_TRANSPORT_RPC,
		N_("Display list of all users with SID"),
		N_("  Use 'net help usersidlist' to get more information about "
		   "'net usersidlist'.")
	},
	{	"conf",
		net_conf,
		NET_TRANSPORT_LOCAL,
		N_("Manage Samba registry based configuration"),
		N_("  Use 'net help conf' to get more information about 'net "
		   "conf' commands.")
	},
	{	"registry",
		net_registry,
		NET_TRANSPORT_LOCAL,
		N_("Manage the Samba registry"),
		N_("  Use 'net help registry' to get more information about "
		   "'net registry' commands.")
	},
	{	"eventlog",
		net_eventlog,
		NET_TRANSPORT_LOCAL,
		N_("Process Win32 *.evt eventlog files"),
		N_("  Use 'net help eventlog' to get more information about "
		   "'net eventlog' commands.")
	},
	{	"printing",
		net_printing,
		NET_TRANSPORT_LOCAL,
		N_("Process tdb printer files"),
		N_("  Use 'net help printing' to get more information about "
		   "'net printing' commands.")
	},

	{	"serverid",
		net_serverid,
		NET_TRANSPORT_LOCAL,
		N_("Manage the serverid tdb"),
		N_("  Use 'net help serverid' to get more information about "
		   "'net serverid' commands.")
	},

#ifdef WITH_FAKE_KASERVER
	{	"afs",
		net_afs,
		NET_TRANSPORT_LOCAL,
		N_("Manage AFS tokens"),
		N_("  Use 'net help afs' to get more information about 'net "
		   "afs' commands.")
	},
#endif

	{	"help",
		net_help,
		NET_TRANSPORT_LOCAL,
		N_("Print usage information"),
		N_("  Use 'net help help' to list usage information for 'net' "
		   "commands.")
	},
	{NULL, NULL, 0, NULL, NULL}
};


/****************************************************************************
  main program
****************************************************************************/
 int main(int argc, const char **argv)
{
	int opt,i;
	char *p;
	int rc = 0;
	int argc_new = 0;
	const char ** argv_new;
	poptContext pc;
	TALLOC_CTX *frame = talloc_stackframe();
	struct net_context *c = talloc_zero(frame, struct net_context);

	struct poptOption long_options[] = {
		{"help",	'h', POPT_ARG_NONE,   0, 'h'},
		{"workgroup",	'w', POPT_ARG_STRING, &c->opt_target_workgroup},
		{"user",	'U', POPT_ARG_STRING, &c->opt_user_name, 'U'},
		{"ipaddress",	'I', POPT_ARG_STRING, 0,'I'},
		{"port",	'p', POPT_ARG_INT,    &c->opt_port},
		{"myname",	'n', POPT_ARG_STRING, &c->opt_requester_name},
		{"server",	'S', POPT_ARG_STRING, &c->opt_host},
		{"encrypt",	'e', POPT_ARG_NONE,   NULL, 'e', N_("Encrypt SMB transport (UNIX extended servers only)") },
		{"container",	'c', POPT_ARG_STRING, &c->opt_container},
		{"comment",	'C', POPT_ARG_STRING, &c->opt_comment},
		{"maxusers",	'M', POPT_ARG_INT,    &c->opt_maxusers},
		{"flags",	'F', POPT_ARG_INT,    &c->opt_flags},
		{"long",	'l', POPT_ARG_NONE,   &c->opt_long_list_entries},
		{"reboot",	'r', POPT_ARG_NONE,   &c->opt_reboot},
		{"force",	'f', POPT_ARG_NONE,   &c->opt_force},
		{"stdin",	'i', POPT_ARG_NONE,   &c->opt_stdin},
		{"timeout",	't', POPT_ARG_INT,    &c->opt_timeout},
		{"request-timeout",0,POPT_ARG_INT,    &c->opt_request_timeout},
		{"machine-pass",'P', POPT_ARG_NONE,   &c->opt_machine_pass},
		{"kerberos",    'k', POPT_ARG_NONE,   &c->opt_kerberos},
		{"myworkgroup", 'W', POPT_ARG_STRING, &c->opt_workgroup},
		{"use-ccache",    0, POPT_ARG_NONE,   &c->opt_ccache},
		{"verbose",	'v', POPT_ARG_NONE,   &c->opt_verbose},
		{"test",	'T', POPT_ARG_NONE,   &c->opt_testmode},
		/* Options for 'net groupmap set' */
		{"local",       'L', POPT_ARG_NONE,   &c->opt_localgroup},
		{"domain",      'D', POPT_ARG_NONE,   &c->opt_domaingroup},
		{"ntname",      'N', POPT_ARG_STRING, &c->opt_newntname},
		{"rid",         'R', POPT_ARG_INT,    &c->opt_rid},
		/* Options for 'net rpc share migrate' */
		{"acls",	0, POPT_ARG_NONE,     &c->opt_acls},
		{"attrs",	0, POPT_ARG_NONE,     &c->opt_attrs},
		{"timestamps",	0, POPT_ARG_NONE,     &c->opt_timestamps},
		{"exclude",	'X', POPT_ARG_STRING, &c->opt_exclude},
		{"destination",	0, POPT_ARG_STRING,   &c->opt_destination},
		{"tallocreport", 0, POPT_ARG_NONE,    &c->do_talloc_report},
		/* Options for 'net rpc vampire (keytab)' */
		{"force-full-repl", 0, POPT_ARG_NONE, &c->opt_force_full_repl},
		{"single-obj-repl", 0, POPT_ARG_NONE, &c->opt_single_obj_repl},
		{"clean-old-entries", 0, POPT_ARG_NONE, &c->opt_clean_old_entries},

		POPT_COMMON_SAMBA
		{ 0, 0, 0, 0}
	};

	zero_sockaddr(&c->opt_dest_ip);

	setup_logging(argv[0], DEBUG_STDERR);

	load_case_tables();

	setlocale(LC_ALL, "");
#if defined(HAVE_BINDTEXTDOMAIN)
	bindtextdomain(MODULE_NAME, dyn_LOCALEDIR);
#endif
#if defined(HAVE_TEXTDOMAIN)
	textdomain(MODULE_NAME);
#endif

	/* set default debug level to 0 regardless of what smb.conf sets */
	lp_set_cmdline("log level", "0");
	c->private_data = net_func;

	pc = poptGetContext(NULL, argc, (const char **) argv, long_options,
			    POPT_CONTEXT_KEEP_FIRST);

	while((opt = poptGetNextOpt(pc)) != -1) {
		switch (opt) {
		case 'h':
			c->display_usage = true;
			break;
		case 'e':
			c->smb_encrypt = true;
			break;
		case 'I':
			if (!interpret_string_addr(&c->opt_dest_ip,
						poptGetOptArg(pc), 0)) {
				d_fprintf(stderr, _("\nInvalid ip address specified\n"));
			} else {
				c->opt_have_ip = true;
			}
			break;
		case 'U':
			c->opt_user_specified = true;
			c->opt_user_name = SMB_STRDUP(c->opt_user_name);
			p = strchr(c->opt_user_name,'%');
			if (p) {
				*p = 0;
				c->opt_password = p+1;
			}
			break;
		default:
			d_fprintf(stderr, _("\nInvalid option %s: %s\n"),
				 poptBadOption(pc, 0), poptStrerror(opt));
			net_help(c, argc, argv);
			exit(1);
		}
	}

	lp_load(get_dyn_CONFIGFILE(), true, false, false, true);

 	argv_new = (const char **)poptGetArgs(pc);

	argc_new = argc;
	for (i=0; i<argc; i++) {
		if (argv_new[i] == NULL) {
			argc_new = i;
			break;
		}
	}

	if (c->do_talloc_report) {
		talloc_enable_leak_report();
	}

	if (c->opt_requester_name) {
		set_global_myname(c->opt_requester_name);
	}

	if (!c->opt_user_name && getenv("LOGNAME")) {
		c->opt_user_name = getenv("LOGNAME");
	}

	if (!c->opt_workgroup) {
		c->opt_workgroup = smb_xstrdup(lp_workgroup());
	}

	if (!c->opt_target_workgroup) {
		c->opt_target_workgroup = smb_xstrdup(lp_workgroup());
	}

	if (!init_names())
		exit(1);

	load_interfaces();

	/* this makes sure that when we do things like call scripts,
	   that it won't assert because we are not root */
	sec_init();

	if (c->opt_machine_pass) {
		/* it is very useful to be able to make ads queries as the
		   machine account for testing purposes and for domain leave */

		net_use_krb_machine_account(c);
	}

	if (!c->opt_password) {
		c->opt_password = getenv("PASSWD");
	}

	c->msg_ctx = messaging_init(c, procid_self(),
				    event_context_init(c));
	if (c->msg_ctx == NULL) {
		exit(1);
	}

	rc = net_run_function(c, argc_new-1, argv_new+1, "net", net_func);

	DEBUG(2,("return code = %d\n", rc));

	gencache_stabilize();

	libnetapi_free(c->netapi_ctx);

	poptFreeContext(pc);

	TALLOC_FREE(frame);
	return rc;
}