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      1 /*	$NetBSD: ntp_io.h,v 1.6 2020/05/25 20:47:19 christos Exp $	*/
      2 
      3 #ifndef NTP_IO_H
      4 #define NTP_IO_H
      5 
      6 #include "ntp_workimpl.h"
      7 
      8 /*
      9  * POSIX says use <fnct.h> to get O_* symbols and
     10  * SEEK_SET symbol form <unistd.h>.
     11  */
     12 #include <sys/types.h>
     13 #ifdef HAVE_UNISTD_H
     14 # include <unistd.h>
     15 #endif
     16 #include <stdio.h>
     17 #ifdef HAVE_SYS_FILE_H
     18 # include <sys/file.h>
     19 #endif
     20 #ifdef HAVE_FCNTL_H
     21 # include <fcntl.h>
     22 #endif
     23 #if !defined(SEEK_SET) && defined(L_SET)
     24 # define SEEK_SET L_SET
     25 #endif
     26 
     27 #ifdef SYS_WINNT
     28 # include <io.h>
     29 # include "win32_io.h"
     30 #endif
     31 
     32 #include <isc/boolean.h>
     33 #include <isc/netaddr.h>
     34 
     35 #if defined(HAVE_NETINET_IN_H) && defined(HAVE_NETINET_IP_H)
     36 # include <netinet/in.h>
     37 # ifdef HAVE_NETINET_IN_SYSTM_H
     38 #  include <netinet/in_systm.h>
     39 # endif
     40 # include <netinet/ip.h>
     41 #endif
     42 
     43 #include "libntp.h"	/* This needs Something above for GETDTABLESIZE */
     44 
     45 #include "ntp_keyacc.h"
     46 
     47 /*
     48  * Define FNDELAY and FASYNC using O_NONBLOCK and O_ASYNC if we need
     49  * to (and can).  This is here initially for QNX, but may help for
     50  * others as well...
     51  */
     52 #ifndef FNDELAY
     53 # ifdef O_NONBLOCK
     54 #  define FNDELAY O_NONBLOCK
     55 # endif
     56 #endif
     57 
     58 #ifndef FASYNC
     59 # ifdef O_ASYNC
     60 #  define FASYNC O_ASYNC
     61 # endif
     62 #endif
     63 
     64 
     65 /*
     66  * NIC rule match types
     67  */
     68 typedef enum {
     69 	MATCH_ALL,
     70 	MATCH_IPV4,
     71 	MATCH_IPV6,
     72 	MATCH_WILDCARD,
     73 	MATCH_IFNAME,
     74 	MATCH_IFADDR
     75 } nic_rule_match;
     76 
     77 /*
     78  * NIC rule actions
     79  */
     80 typedef enum {
     81 	ACTION_LISTEN,
     82 	ACTION_IGNORE,
     83 	ACTION_DROP
     84 } nic_rule_action;
     85 
     86 
     87 extern int	qos;
     88 SOCKET		move_fd(SOCKET fd);
     89 /*isc_boolean_t	get_broadcastclient_flag(void);*/
     90 extern void	sau_from_netaddr(sockaddr_u *, const isc_netaddr_t *);
     91 extern void	add_nic_rule(nic_rule_match match_type,
     92 			     const char *if_name, int prefixlen,
     93 			     nic_rule_action action);
     94 #ifndef HAVE_IO_COMPLETION_PORT
     95 extern	void	maintain_activefds(int fd, int closing);
     96 #else
     97 #define		maintain_activefds(f, c)	do {} while (0)
     98 #endif
     99 
    100 
    101 #endif	/* NTP_IO_H */
    102