/*
   Unix SMB/CIFS implementation.
   RPC pipe client

   Copyright (C) Tim Potter              2000
   Copyright (C) Rafal Szczesniak        2002

   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 2 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, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"
#include "rpcclient.h"


/* useful function to allow entering a name instead of a SID and
 * looking it up automatically */
static NTSTATUS name_to_sid(struct cli_state *cli, 
			    TALLOC_CTX *mem_ctx,
			    DOM_SID *sid, const char *name)
{
	POLICY_HND pol;
	uint32 *sid_types;
	NTSTATUS result;
	DOM_SID *sids;

	/* maybe its a raw SID */
	if (strncmp(name, "S-", 2) == 0 &&
	    string_to_sid(sid, name)) {
		return NT_STATUS_OK;
	}

	result = cli_lsa_open_policy(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &pol);
	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_lookup_names(cli, mem_ctx, &pol, 1, &name, &sids, &sid_types);
	if (!NT_STATUS_IS_OK(result))
		goto done;

	cli_lsa_close(cli, mem_ctx, &pol);

	*sid = sids[0];

done:
	return result;
}


/* Look up domain related information on a remote host */

static NTSTATUS cmd_lsa_query_info_policy(struct cli_state *cli, 
                                          TALLOC_CTX *mem_ctx, int argc, 
                                          const char **argv) 
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
	DOM_SID *dom_sid;
	struct uuid *dom_guid;
	fstring sid_str;
	char *domain_name = NULL;
	char *dns_name = NULL;
	char *forest_name = NULL;

	uint32 info_class = 3;

	if (argc > 2) {
		printf("Usage: %s [info_class]\n", argv[0]);
		return NT_STATUS_OK;
	}

	if (argc == 2)
		info_class = atoi(argv[1]);
	
	/* Lookup info policy */
	switch (info_class) {
	case 12:
		result = cli_lsa_open_policy2(cli, mem_ctx, True, 
					     SEC_RIGHTS_MAXIMUM_ALLOWED,
					     &pol);

		if (!NT_STATUS_IS_OK(result))
			goto done;
		result = cli_lsa_query_info_policy2(cli, mem_ctx, &pol,
						    info_class, &domain_name,
						    &dns_name, &forest_name,
						    &dom_guid, &dom_sid);
		break;
	default:
		result = cli_lsa_open_policy(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &pol);

		if (!NT_STATUS_IS_OK(result))
			goto done;
		result = cli_lsa_query_info_policy(cli, mem_ctx, &pol, 
						   info_class, &domain_name, 
						   &dom_sid);
	}

	if (!NT_STATUS_IS_OK(result))
		goto done;
	
	sid_to_string(sid_str, dom_sid);

	if (domain_name)
		printf("domain %s has sid %s\n", domain_name, sid_str);
	else
		printf("could not query info for level %d\n", info_class);

	if (dns_name)
		printf("domain dns name is %s\n", dns_name);
	if (forest_name)
		printf("forest name is %s\n", forest_name);

	if (info_class == 12) {
		printf("domain GUID is ");
		smb_uuid_string_static(*dom_guid);
	}
 done:
	return result;
}

/* Resolve a list of names to a list of sids */

static NTSTATUS cmd_lsa_lookup_names(struct cli_state *cli, 
                                     TALLOC_CTX *mem_ctx, int argc, 
                                     const char **argv)
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
	DOM_SID *sids;
	uint32 *types;
	int i;

	if (argc == 1) {
		printf("Usage: %s [name1 [name2 [...]]]\n", argv[0]);
		return NT_STATUS_OK;
	}

	result = cli_lsa_open_policy(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_lookup_names(cli, mem_ctx, &pol, argc - 1, 
				      (const char**)(argv + 1), &sids, &types);

	if (!NT_STATUS_IS_OK(result) && NT_STATUS_V(result) != 
	    NT_STATUS_V(STATUS_SOME_UNMAPPED))
		goto done;

	result = NT_STATUS_OK;

	/* Print results */

	for (i = 0; i < (argc - 1); i++) {
		fstring sid_str;
		sid_to_string(sid_str, &sids[i]);
		printf("%s %s (%s: %d)\n", argv[i + 1], sid_str,
		       sid_type_lookup(types[i]), types[i]);
	}

 done:
	return result;
}

/* Resolve a list of SIDs to a list of names */

static NTSTATUS cmd_lsa_lookup_sids(struct cli_state *cli, TALLOC_CTX *mem_ctx,
                                    int argc, const char **argv)
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
	DOM_SID *sids;
	char **domains;
	char **names;
	uint32 *types;
	int i;

	if (argc == 1) {
		printf("Usage: %s [sid1 [sid2 [...]]]\n", argv[0]);
		return NT_STATUS_OK;
	}

	result = cli_lsa_open_policy(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	/* Convert arguments to sids */

	sids = TALLOC_ARRAY(mem_ctx, DOM_SID, argc - 1);

	if (!sids) {
		printf("could not allocate memory for %d sids\n", argc - 1);
		goto done;
	}

	for (i = 0; i < argc - 1; i++) 
		if (!string_to_sid(&sids[i], argv[i + 1])) {
			result = NT_STATUS_INVALID_SID;
			goto done;
		}

	/* Lookup the SIDs */

	result = cli_lsa_lookup_sids(cli, mem_ctx, &pol, argc - 1, sids, 
				     &domains, &names, &types);

	if (!NT_STATUS_IS_OK(result) && NT_STATUS_V(result) != 
	    NT_STATUS_V(STATUS_SOME_UNMAPPED))
		goto done;

	result = NT_STATUS_OK;

	/* Print results */

	for (i = 0; i < (argc - 1); i++) {
		fstring sid_str;

		sid_to_string(sid_str, &sids[i]);
		printf("%s %s\\%s (%d)\n", sid_str, 
		       domains[i] ? domains[i] : "*unknown*", 
		       names[i] ? names[i] : "*unknown*", types[i]);
	}

 done:
	return result;
}

/* Enumerate list of trusted domains */

static NTSTATUS cmd_lsa_enum_trust_dom(struct cli_state *cli, 
                                       TALLOC_CTX *mem_ctx, int argc, 
                                       const char **argv)
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
	DOM_SID *domain_sids;
	char **domain_names;

	/* defaults, but may be changed using params */
	uint32 enum_ctx = 0;
	uint32 num_domains = 0;
	int i;

	if (argc > 2) {
		printf("Usage: %s [enum context (0)]\n", argv[0]);
		return NT_STATUS_OK;
	}

	if (argc == 2 && argv[1]) {
		enum_ctx = atoi(argv[2]);
	}	

	result = cli_lsa_open_policy(cli, mem_ctx, True, 
				     POLICY_VIEW_LOCAL_INFORMATION,
				     &pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	/* Lookup list of trusted domains */

	result = cli_lsa_enum_trust_dom(cli, mem_ctx, &pol, &enum_ctx,
					&num_domains,
					&domain_names, &domain_sids);
	if (!NT_STATUS_IS_OK(result) &&
	    !NT_STATUS_EQUAL(result, NT_STATUS_NO_MORE_ENTRIES) &&
	    !NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES))
	    goto done;

	/* Print results: list of names and sids returned in this response. */	 
	for (i = 0; i < num_domains; i++) {
		fstring sid_str;

		sid_to_string(sid_str, &domain_sids[i]);
		printf("%s %s\n", domain_names[i] ? domain_names[i] : 
		       "*unknown*", sid_str);
	}

 done:
	return result;
}

/* Enumerates privileges */

static NTSTATUS cmd_lsa_enum_privilege(struct cli_state *cli, 
				       TALLOC_CTX *mem_ctx, int argc, 
				       const char **argv) 
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;

	uint32 enum_context=0;
	uint32 pref_max_length=0x1000;
	uint32 count=0;
	char   **privs_name;
	uint32 *privs_high;
	uint32 *privs_low;
	int i;

	if (argc > 3) {
		printf("Usage: %s [enum context] [max length]\n", argv[0]);
		return NT_STATUS_OK;
	}

	if (argc>=2)
		enum_context=atoi(argv[1]);

	if (argc==3)
		pref_max_length=atoi(argv[2]);

	result = cli_lsa_open_policy(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_enum_privilege(cli, mem_ctx, &pol, &enum_context, pref_max_length,
					&count, &privs_name, &privs_high, &privs_low);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	/* Print results */
	printf("found %d privileges\n\n", count);

	for (i = 0; i < count; i++) {
		printf("%s \t\t%d:%d (0x%x:0x%x)\n", privs_name[i] ? privs_name[i] : "*unknown*",
		       privs_high[i], privs_low[i], privs_high[i], privs_low[i]);
	}

 done:
	return result;
}

/* Get privilege name */

static NTSTATUS cmd_lsa_get_dispname(struct cli_state *cli, 
                                     TALLOC_CTX *mem_ctx, int argc, 
                                     const char **argv) 
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;

	uint16 lang_id=0;
	uint16 lang_id_sys=0;
	uint16 lang_id_desc;
	fstring description;

	if (argc != 2) {
		printf("Usage: %s privilege name\n", argv[0]);
		return NT_STATUS_OK;
	}

	result = cli_lsa_open_policy(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_get_dispname(cli, mem_ctx, &pol, argv[1], lang_id, lang_id_sys, description, &lang_id_desc);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	/* Print results */
	printf("%s -> %s (language: 0x%x)\n", argv[1], description, lang_id_desc);

 done:
	return result;
}

/* Enumerate the LSA SIDS */

static NTSTATUS cmd_lsa_enum_sids(struct cli_state *cli, 
				  TALLOC_CTX *mem_ctx, int argc, 
				  const char **argv) 
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;

	uint32 enum_context=0;
	uint32 pref_max_length=0x1000;
	DOM_SID *sids;
	uint32 count=0;
	int i;

	if (argc > 3) {
		printf("Usage: %s [enum context] [max length]\n", argv[0]);
		return NT_STATUS_OK;
	}

	if (argc>=2)
		enum_context=atoi(argv[1]);

	if (argc==3)
		pref_max_length=atoi(argv[2]);

	result = cli_lsa_open_policy(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_enum_sids(cli, mem_ctx, &pol, &enum_context, pref_max_length,
					&count, &sids);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	/* Print results */
	printf("found %d SIDs\n\n", count);

	for (i = 0; i < count; i++) {
		fstring sid_str;

		sid_to_string(sid_str, &sids[i]);
		printf("%s\n", sid_str);
	}

 done:
	return result;
}

/* Enumerate the privileges of an SID */

static NTSTATUS cmd_lsa_enum_privsaccounts(struct cli_state *cli, 
                                           TALLOC_CTX *mem_ctx, int argc, 
                                           const char **argv) 
{
	POLICY_HND dom_pol;
	POLICY_HND user_pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
	uint32 access_desired = 0x000f000f;
	
	DOM_SID sid;
	uint32 count=0;
	LUID_ATTR *set;
	int i;

	if (argc != 2 ) {
		printf("Usage: %s SID\n", argv[0]);
		return NT_STATUS_OK;
	}

	result = name_to_sid(cli, mem_ctx, &sid, argv[1]);
	if (!NT_STATUS_IS_OK(result))
		goto done;	

	result = cli_lsa_open_policy2(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &dom_pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_open_account(cli, mem_ctx, &dom_pol, &sid, access_desired, &user_pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_enum_privsaccount(cli, mem_ctx, &user_pol, &count, &set);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	/* Print results */
	printf("found %d privileges for SID %s\n\n", count, argv[1]);
	printf("high\tlow\tattribute\n");

	for (i = 0; i < count; i++) {
		printf("%u\t%u\t%u\n", set[i].luid.high, set[i].luid.low, set[i].attr);
	}

 done:
	return result;
}


/* Enumerate the privileges of an SID via LsaEnumerateAccountRights */

static NTSTATUS cmd_lsa_enum_acct_rights(struct cli_state *cli, 
					 TALLOC_CTX *mem_ctx, int argc, 
					 const char **argv) 
{
	POLICY_HND dom_pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;

	DOM_SID sid;
	uint32 count;
	char **rights;

	int i;

	if (argc != 2 ) {
		printf("Usage: %s SID\n", argv[0]);
		return NT_STATUS_OK;
	}

	result = name_to_sid(cli, mem_ctx, &sid, argv[1]);
	if (!NT_STATUS_IS_OK(result))
		goto done;	

	result = cli_lsa_open_policy2(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &dom_pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_enum_account_rights(cli, mem_ctx, &dom_pol, sid, &count, &rights);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	printf("found %d privileges for SID %s\n", count, sid_string_static(&sid));

	for (i = 0; i < count; i++) {
		printf("\t%s\n", rights[i]);
	}

 done:
	return result;
}


/* add some privileges to a SID via LsaAddAccountRights */

static NTSTATUS cmd_lsa_add_acct_rights(struct cli_state *cli, 
					TALLOC_CTX *mem_ctx, int argc, 
					const char **argv) 
{
	POLICY_HND dom_pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;

	DOM_SID sid;

	if (argc < 3 ) {
		printf("Usage: %s SID [rights...]\n", argv[0]);
		return NT_STATUS_OK;
	}

	result = name_to_sid(cli, mem_ctx, &sid, argv[1]);
	if (!NT_STATUS_IS_OK(result))
		goto done;	

	result = cli_lsa_open_policy2(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &dom_pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_add_account_rights(cli, mem_ctx, &dom_pol, sid, 
					    argc-2, argv+2);

	if (!NT_STATUS_IS_OK(result))
		goto done;

 done:
	return result;
}


/* remove some privileges to a SID via LsaRemoveAccountRights */

static NTSTATUS cmd_lsa_remove_acct_rights(struct cli_state *cli, 
					TALLOC_CTX *mem_ctx, int argc, 
					const char **argv) 
{
	POLICY_HND dom_pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;

	DOM_SID sid;

	if (argc < 3 ) {
		printf("Usage: %s SID [rights...]\n", argv[0]);
		return NT_STATUS_OK;
	}

	result = name_to_sid(cli, mem_ctx, &sid, argv[1]);
	if (!NT_STATUS_IS_OK(result))
		goto done;	

	result = cli_lsa_open_policy2(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &dom_pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_remove_account_rights(cli, mem_ctx, &dom_pol, sid, 
					       False, argc-2, argv+2);

	if (!NT_STATUS_IS_OK(result))
		goto done;

 done:
	return result;
}


/* Get a privilege value given its name */

static NTSTATUS cmd_lsa_lookupprivvalue(struct cli_state *cli, 
					TALLOC_CTX *mem_ctx, int argc, 
					const char **argv) 
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
	LUID luid;

	if (argc != 2 ) {
		printf("Usage: %s name\n", argv[0]);
		return NT_STATUS_OK;
	}

	result = cli_lsa_open_policy2(cli, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_lookupprivvalue(cli, mem_ctx, &pol, argv[1], &luid);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	/* Print results */

	printf("%u:%u (0x%x:0x%x)\n", luid.high, luid.low, luid.high, luid.low);

 done:
	return result;
}

/* Query LSA security object */

static NTSTATUS cmd_lsa_query_secobj(struct cli_state *cli, 
				     TALLOC_CTX *mem_ctx, int argc, 
				     const char **argv) 
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
	SEC_DESC_BUF *sdb;
	uint32 sec_info = 0x00000004; /* ??? */

	if (argc != 1 ) {
		printf("Usage: %s\n", argv[0]);
		return NT_STATUS_OK;
	}

	result = cli_lsa_open_policy2(cli, mem_ctx, True, 
				      SEC_RIGHTS_MAXIMUM_ALLOWED,
				      &pol);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	result = cli_lsa_query_secobj(cli, mem_ctx, &pol, sec_info, &sdb);

	if (!NT_STATUS_IS_OK(result))
		goto done;

	/* Print results */

	display_sec_desc(sdb->sec);

 done:
	return result;
}


/* List of commands exported by this module */

struct cmd_set lsarpc_commands[] = {

	{ "LSARPC" },

	{ "lsaquery", 	         RPC_RTYPE_NTSTATUS, cmd_lsa_query_info_policy,  NULL, PI_LSARPC, "Query info policy",                    "" },
	{ "lookupsids",          RPC_RTYPE_NTSTATUS, cmd_lsa_lookup_sids,        NULL, PI_LSARPC, "Convert SIDs to names",                "" },
	{ "lookupnames",         RPC_RTYPE_NTSTATUS, cmd_lsa_lookup_names,       NULL, PI_LSARPC, "Convert names to SIDs",                "" },
	{ "enumtrust", 	         RPC_RTYPE_NTSTATUS, cmd_lsa_enum_trust_dom,     NULL, PI_LSARPC, "Enumerate trusted domains",            "Usage: [preferred max number] [enum context (0)]" },
	{ "enumprivs", 	         RPC_RTYPE_NTSTATUS, cmd_lsa_enum_privilege,     NULL, PI_LSARPC, "Enumerate privileges",                 "" },
	{ "getdispname",         RPC_RTYPE_NTSTATUS, cmd_lsa_get_dispname,       NULL, PI_LSARPC, "Get the privilege name",               "" },
	{ "lsaenumsid",          RPC_RTYPE_NTSTATUS, cmd_lsa_enum_sids,          NULL, PI_LSARPC, "Enumerate the LSA SIDS",               "" },
	{ "lsaenumprivsaccount", RPC_RTYPE_NTSTATUS, cmd_lsa_enum_privsaccounts, NULL, PI_LSARPC, "Enumerate the privileges of an SID",   "" },
	{ "lsaenumacctrights",   RPC_RTYPE_NTSTATUS, cmd_lsa_enum_acct_rights,   NULL, PI_LSARPC, "Enumerate the rights of an SID",   "" },
	{ "lsaaddacctrights",    RPC_RTYPE_NTSTATUS, cmd_lsa_add_acct_rights,    NULL, PI_LSARPC, "Add rights to an account",   "" },
	{ "lsaremoveacctrights", RPC_RTYPE_NTSTATUS, cmd_lsa_remove_acct_rights, NULL, PI_LSARPC, "Remove rights from an account",   "" },
	{ "lsalookupprivvalue",  RPC_RTYPE_NTSTATUS, cmd_lsa_lookupprivvalue,    NULL, PI_LSARPC, "Get a privilege value given its name", "" },
	{ "lsaquerysecobj",      RPC_RTYPE_NTSTATUS, cmd_lsa_query_secobj,       NULL, PI_LSARPC, "Query LSA security object", "" },

	{ NULL }
};