srv_srvsvc_nt.c

samba-3.0.22.tar.gz 编译smb服务器的源码

 Fill in a share info level 1007 structure.
 ***************************************************************************/

static void init_srv_share_info_1007(pipes_struct *p, SRV_SHARE_INFO_1007* sh1007, int snum)
{
        pstring alternate_directory_name = "";
	uint32 flags = 0;

	ZERO_STRUCTP(sh1007);
  
	init_srv_share_info1007(&sh1007->info_1007, flags, alternate_directory_name);
	init_srv_share_info1007_str(&sh1007->info_1007_str, alternate_directory_name);
}

/*******************************************************************
 Fill in a share info level 1501 structure.
 ********************************************************************/

static void init_srv_share_info_1501(pipes_struct *p, SRV_SHARE_INFO_1501 *sh1501, int snum)
{
	SEC_DESC *sd;
	size_t sd_size;
	TALLOC_CTX *ctx = p->mem_ctx;

	ZERO_STRUCTP(sh1501);

	sd = get_share_security(ctx, snum, &sd_size);

	sh1501->sdb = make_sec_desc_buf(p->mem_ctx, sd_size, sd);
}

/*******************************************************************
 True if it ends in '$'.
 ********************************************************************/

static BOOL is_hidden_share(int snum)
{
	const char *net_name = lp_servicename(snum);

	return (net_name[strlen(net_name) - 1] == '$') ? True : False;
}

/*******************************************************************
 Fill in a share info structure.
 ********************************************************************/

static BOOL init_srv_share_info_ctr(pipes_struct *p, SRV_SHARE_INFO_CTR *ctr,
	       uint32 info_level, uint32 *resume_hnd, uint32 *total_entries, BOOL all_shares)
{
	int num_entries = 0;
	int num_services = lp_numservices();
	int snum;
	TALLOC_CTX *ctx = p->mem_ctx;

	DEBUG(5,("init_srv_share_info_ctr\n"));

	ZERO_STRUCTPN(ctr);

	ctr->info_level = ctr->switch_value = info_level;
	*resume_hnd = 0;

	/* Count the number of entries. */
	for (snum = 0; snum < num_services; snum++) {
		if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) )
			num_entries++;
	}

	*total_entries = num_entries;
	ctr->num_entries2 = ctr->num_entries = num_entries;
	ctr->ptr_share_info = ctr->ptr_entries = 1;

	if (!num_entries)
		return True;

	switch (info_level) {
	case 0:
	{
		SRV_SHARE_INFO_0 *info0 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_0, num_entries);
		int i = 0;

		if (!info0) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_0(p, &info0[i++], snum);
			}
		}

		ctr->share.info0 = info0;
		break;

	}

	case 1:
	{
		SRV_SHARE_INFO_1 *info1 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_1, num_entries);
		int i = 0;

		if (!info1) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_1(p, &info1[i++], snum);
			}
		}

		ctr->share.info1 = info1;
		break;
	}

	case 2:
	{
		SRV_SHARE_INFO_2 *info2 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_2, num_entries);
		int i = 0;

		if (!info2) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_2(p, &info2[i++], snum);
			}
		}

		ctr->share.info2 = info2;
		break;
	}

	case 501:
	{
		SRV_SHARE_INFO_501 *info501 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_501, num_entries);
		int i = 0;
	
		if (!info501) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_501(p, &info501[i++], snum);
			}
		}
	
		ctr->share.info501 = info501;
		break;
	}

	case 502:
	{
		SRV_SHARE_INFO_502 *info502 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_502, num_entries);
		int i = 0;

		if (!info502) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_502(p, &info502[i++], snum);
			}
		}

		ctr->share.info502 = info502;
		break;
	}

	/* here for completeness but not currently used with enum (1004 - 1501)*/
	
	case 1004:
	{
		SRV_SHARE_INFO_1004 *info1004 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_1004, num_entries);
		int i = 0;

		if (!info1004) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_1004(p, &info1004[i++], snum);
			}
		}

		ctr->share.info1004 = info1004;
		break;
	}

	case 1005:
	{
		SRV_SHARE_INFO_1005 *info1005 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_1005, num_entries);
		int i = 0;

		if (!info1005) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_1005(p, &info1005[i++], snum);
			}
		}

		ctr->share.info1005 = info1005;
		break;
	}

	case 1006:
	{
		SRV_SHARE_INFO_1006 *info1006 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_1006, num_entries);
		int i = 0;

		if (!info1006) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_1006(p, &info1006[i++], snum);
			}
		}

		ctr->share.info1006 = info1006;
		break;
	}

	case 1007:
	{
		SRV_SHARE_INFO_1007 *info1007 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_1007, num_entries);
		int i = 0;

		if (!info1007) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_1007(p, &info1007[i++], snum);
			}
		}

		ctr->share.info1007 = info1007;
		break;
	}

	case 1501:
	{
		SRV_SHARE_INFO_1501 *info1501 = TALLOC_ARRAY(ctx, SRV_SHARE_INFO_1501, num_entries);
		int i = 0;

		if (!info1501) {
			return False;
		}

		for (snum = *resume_hnd; snum < num_services; snum++) {
			if (lp_browseable(snum) && lp_snum_ok(snum) && (all_shares || !is_hidden_share(snum)) ) {
				init_srv_share_info_1501(p, &info1501[i++], snum);
			}
		}

		ctr->share.info1501 = info1501;
		break;
	}
	default:
		DEBUG(5,("init_srv_share_info_ctr: unsupported switch value %d\n", info_level));
		return False;
	}

	return True;
}

/*******************************************************************
 Inits a SRV_R_NET_SHARE_ENUM structure.
********************************************************************/

static void init_srv_r_net_share_enum(pipes_struct *p, SRV_R_NET_SHARE_ENUM *r_n,
				      uint32 info_level, uint32 resume_hnd, BOOL all)  
{
	DEBUG(5,("init_srv_r_net_share_enum: %d\n", __LINE__));

	if (init_srv_share_info_ctr(p, &r_n->ctr, info_level,
				    &resume_hnd, &r_n->total_entries, all)) {
		r_n->status = WERR_OK;
	} else {
		r_n->status = WERR_UNKNOWN_LEVEL;
	}

	init_enum_hnd(&r_n->enum_hnd, resume_hnd);
}

/*******************************************************************
 Inits a SRV_R_NET_SHARE_GET_INFO structure.
********************************************************************/

static void init_srv_r_net_share_get_info(pipes_struct *p, SRV_R_NET_SHARE_GET_INFO *r_n,
				  char *share_name, uint32 info_level)
{
	WERROR status = WERR_OK;
	int snum;

	DEBUG(5,("init_srv_r_net_share_get_info: %d\n", __LINE__));

	r_n->info.switch_value = info_level;

	snum = find_service(share_name);

	if (snum >= 0) {
		switch (info_level) {
		case 0:
			init_srv_share_info_0(p, &r_n->info.share.info0, snum);
			break;
		case 1:
			init_srv_share_info_1(p, &r_n->info.share.info1, snum);
			break;
		case 2:
			init_srv_share_info_2(p, &r_n->info.share.info2, snum);
			break;
		case 501:
			init_srv_share_info_501(p, &r_n->info.share.info501, snum);
			break;
		case 502:
			init_srv_share_info_502(p, &r_n->info.share.info502, snum);
			break;

			/* here for completeness */
		case 1004:
			init_srv_share_info_1004(p, &r_n->info.share.info1004, snum);
			break;
		case 1005:
			init_srv_share_info_1005(p, &r_n->info.share.info1005, snum);
			break;

			/* here for completeness 1006 - 1501 */
		case 1006:
			init_srv_share_info_1006(p, &r_n->info.share.info1006, snum);
			break;
		case 1007:
			init_srv_share_info_1007(p, &r_n->info.share.info1007, snum);
			break;
		case 1501:
			init_srv_share_info_1501(p, &r_n->info.share.info1501, snum);
			break;
		default:
			DEBUG(5,("init_srv_net_share_get_info: unsupported switch value %d\n", info_level));
			status = WERR_UNKNOWN_LEVEL;
			break;
		}
	} else {
		status = WERR_INVALID_NAME;
	}

	r_n->info.ptr_share_ctr = W_ERROR_IS_OK(status) ? 1 : 0;
	r_n->status = status;
}

/*******************************************************************
 fill in a sess info level 1 structure.
 ********************************************************************/

static void init_srv_sess_0_info(SESS_INFO_0 *se0, SESS_INFO_0_STR *str0, char *name)
{
	init_srv_sess_info0(se0, name);
	init_srv_sess_info0_str(str0, name);
}

/*******************************************************************
 fill in a sess info level 0 structure.
 ********************************************************************/

static void init_srv_sess_info_0(SRV_SESS_INFO_0 *ss0, uint32 *snum, uint32 *stot)
{
	struct sessionid *session_list;
	uint32 num_entries = 0;
	(*stot) = list_sessions(&session_list);

	if (ss0 == NULL) {
		(*snum) = 0;
		SAFE_FREE(session_list);
		return;
	}

	DEBUG(5,("init_srv_sess_0_ss0\n"));

	if (snum) {
		for (; (*snum) < (*stot) && num_entries < MAX_SESS_ENTRIES; (*snum)++) {
			init_srv_sess_0_info(&ss0->info_0[num_entries],
								 &ss0->info_0_str[num_entries], session_list[(*snum)].remote_machine);

			/* move on to creating next session */
			/* move on to creating next sess */
			num_entries++;
		}

		ss0->num_entries_read  = num_entries;
		ss0->ptr_sess_info     = num_entries > 0 ? 1 : 0;
		ss0->num_entries_read2 = num_entries;
		
		if ((*snum) >= (*stot)) {
			(*snum) = 0;
		}

	} else {
		ss0->num_entries_read = 0;
		ss0->ptr_sess_info = 0;
		ss0->num_entries_read2 = 0;
	}
	SAFE_FREE(session_list);
}

/*******************************************************************
 fill in a sess info level 1 structure.
 ********************************************************************/

static void init_srv_sess_1_info(SESS_INFO_1 *se1, SESS_INFO_1_STR *str1,
				char *name, char *user,
				uint32 num_opens,
				uint32 open_time, uint32 idle_time,
				uint32 usr_flgs)
{
	init_srv_sess_info1(se1 , name, user, num_opens, open_time, idle_time, usr_flgs);
	init_srv_sess_info1_str(str1, name, user);
}

/*******************************************************************
 fill in a sess info level 1 structure.
 ********************************************************************/

static void init_srv_sess_info_1(SRV_SESS_INFO_1 *ss1, uint32 *snum, uint32 *stot)
{
	struct sessionid *session_list;
	uint32 num_entries = 0;
	(*stot) = list_sessions(&session_list);

	if (ss1 == NULL) {
		(*snum) = 0;
		SAFE_FREE(session_list);
		return;
	}

	DEBUG(5,("init_srv_sess_1_ss1\n"));

	if (snum) {
		for (; (*snum) < (*stot) && num_entries < MAX_SESS_ENTRIES; (*snum)++) {
			init_srv_sess_1_info(&ss1->info_1[num_entries],
					     &ss1->info_1_str[num_entries],
					    session_list[*snum].remote_machine,
					     session_list[*snum].username,
			                     1, 10, 5, 0);

			/* move on to creating next session */
			/* move on to creating next sess */
			num_entries++;
		}

		ss1->num_entries_read  = num_entries;
		ss1->ptr_sess_info     = num_entries > 0 ? 1 : 0;
		ss1->num_entries_read2 = num_entries;
		
		if ((*snum) >= (*stot)) {
			(*snum) = 0;
		}

	} else {
		ss1->num_entries_read = 0;
		ss1->ptr_sess_info = 0;