Remote Host Resolution
[Core HTTP Daemon]

マクロ定義
#define	REMOTE_HOST   (0)
#define	REMOTE_NAME   (1)
#define	REMOTE_NOLOOKUP   (2)
#define	REMOTE_DOUBLE_REV   (3)
関数
const char *	ap_get_remote_host (conn_rec *conn, void *dir_config, int type, int *str_is_ip)

---

マクロ定義

#define REMOTE_DOUBLE_REV   (3)

REMOTE_DOUBLE_REV will always force a DNS lookup, and also force a double reverse lookup, regardless of the HostnameLookups setting. The result is the (double reverse checked) hostname, or NULL if any of the lookups fail.

#define REMOTE_HOST   (0)

REMOTE_HOST returns the hostname, or NULL if the hostname lookup fails. It will force a DNS lookup according to the HostnameLookups setting.

#define REMOTE_NAME   (1)

REMOTE_NAME returns the hostname, or the dotted quad if the hostname lookup fails. It will force a DNS lookup according to the HostnameLookups setting.

#define REMOTE_NOLOOKUP   (2)

REMOTE_NOLOOKUP is like REMOTE_NAME except that a DNS lookup is never forced.

---

関数

const char* ap_get_remote_host	(	conn_rec *	conn,
		void *	dir_config,
		int	type,
		int *	str_is_ip
	)

Lookup the remote client's DNS name or IP address

引数:

	conn	The current connection
	dir_config	The directory config vector from the request
	type	The type of lookup to perform. One of: REMOTE_HOST returns the hostname, or NULL if the hostname lookup fails. It will force a DNS lookup according to the HostnameLookups setting. REMOTE_NAME returns the hostname, or the dotted quad if the hostname lookup fails. It will force a DNS lookup according to the HostnameLookups setting. REMOTE_NOLOOKUP is like REMOTE_NAME except that a DNS lookup is never forced. REMOTE_DOUBLE_REV will always force a DNS lookup, and also force a double reverse lookup, regardless of the HostnameLookups setting. The result is the (double reverse checked) hostname, or NULL if any of the lookups fail.
	str_is_ip	unless NULL is passed, this will be set to non-zero on output when an IP address string is returned

戻り値:

The remote hostname

---