include/sys/socket.h

/*
 * sys/socket.h
 */

#ifndef _SYS_SOCKET_H
#define _SYS_SOCKET_H

#include <sys/types.h>
#include <klibc/extern.h>
#include <klibc/compiler.h>
#include <klibc/sysconfig.h>
#include <linux/socket.h>
#include <linux/uio.h>
#include <asm/socket.h>
#if _KLIBC_HAS_ARCHSOCKET_H
#include <klibc/archsocket.h>
#endif

/* Great job, guys!  These are *architecture-specific* ABI constants,
   that are hidden under #ifdef __KERNEL__... what a brilliant idea!
   These are the "common" definitions; if not appropriate, override
   them in <klibc/archsocket.h>. */

#ifndef SOCK_STREAM
# define SOCK_STREAM    1
# define SOCK_DGRAM     2
# define SOCK_RAW       3
# define SOCK_RDM       4
# define SOCK_SEQPACKET 5
# define SOCK_PACKET    10
#endif

#ifndef AF_INET
#define AF_UNSPEC	0
#define AF_UNIX		1	/* Unix domain sockets 		*/
#define AF_LOCAL	1	/* POSIX name for AF_UNIX	*/
#define AF_INET		2	/* Internet IP Protocol 	*/
#define AF_AX25		3	/* Amateur Radio AX.25 		*/
#define AF_IPX		4	/* Novell IPX 			*/
#define AF_APPLETALK	5	/* AppleTalk DDP 		*/
#define AF_NETROM	6	/* Amateur Radio NET/ROM 	*/
#define AF_BRIDGE	7	/* Multiprotocol bridge 	*/
#define AF_ATMPVC	8	/* ATM PVCs			*/
#define AF_X25		9	/* Reserved for X.25 project 	*/
#define AF_INET6	10	/* IP version 6			*/
#define AF_ROSE		11	/* Amateur Radio X.25 PLP	*/
#define AF_DECnet	12	/* Reserved for DECnet project	*/
#define AF_NETBEUI	13	/* Reserved for 802.2LLC project*/
#define AF_SECURITY	14	/* Security callback pseudo AF */
#define AF_KEY		15      /* PF_KEY key management API */
#define AF_NETLINK	16
#define AF_ROUTE	AF_NETLINK /* Alias to emulate 4.4BSD */
#define AF_PACKET	17	/* Packet family		*/
#define AF_ASH		18	/* Ash				*/
#define AF_ECONET	19	/* Acorn Econet			*/
#define AF_ATMSVC	20	/* ATM SVCs			*/
#define AF_RDS		21	/* RDS sockets 			*/
#define AF_SNA		22	/* Linux SNA Project (nutters!) */
#define AF_IRDA		23	/* IRDA sockets			*/
#define AF_PPPOX	24	/* PPPoX sockets		*/
#define AF_WANPIPE	25	/* Wanpipe API Sockets */
#define AF_LLC		26	/* Linux LLC			*/
#define AF_CAN		29	/* Controller Area Network      */
#define AF_TIPC		30	/* TIPC sockets			*/
#define AF_BLUETOOTH	31	/* Bluetooth sockets 		*/
#define AF_IUCV		32	/* IUCV sockets			*/
#define AF_RXRPC	33	/* RxRPC sockets 		*/
#define AF_ISDN		34	/* mISDN sockets 		*/
#define AF_PHONET	35	/* Phonet sockets		*/
#define AF_IEEE802154	36	/* IEEE802154 sockets		*/
#define AF_MAX		37	/* For now.. */
#endif // !AF_INET

#ifndef PF_UNSPEC
#define PF_UNSPEC	AF_UNSPEC
#define PF_UNIX		AF_UNIX
#define PF_LOCAL	AF_LOCAL
#define PF_INET		AF_INET
#define PF_AX25		AF_AX25
#define PF_IPX		AF_IPX
#define PF_APPLETALK	AF_APPLETALK
#define	PF_NETROM	AF_NETROM
#define PF_BRIDGE	AF_BRIDGE
#define PF_ATMPVC	AF_ATMPVC
#define PF_X25		AF_X25
#define PF_INET6	AF_INET6
#define PF_ROSE		AF_ROSE
#define PF_DECnet	AF_DECnet
#define PF_NETBEUI	AF_NETBEUI
#define PF_SECURITY	AF_SECURITY
#define PF_KEY		AF_KEY
#define PF_NETLINK	AF_NETLINK
#define PF_ROUTE	AF_ROUTE
#define PF_PACKET	AF_PACKET
#define PF_ASH		AF_ASH
#define PF_ECONET	AF_ECONET
#define PF_ATMSVC	AF_ATMSVC
#define PF_RDS		AF_RDS
#define PF_SNA		AF_SNA
#define PF_IRDA		AF_IRDA
#define PF_PPPOX	AF_PPPOX
#define PF_WANPIPE	AF_WANPIPE
#define PF_LLC		AF_LLC
#define PF_CAN		AF_CAN
#define PF_TIPC		AF_TIPC
#define PF_BLUETOOTH	AF_BLUETOOTH
#define PF_IUCV		AF_IUCV
#define PF_RXRPC	AF_RXRPC
#define PF_ISDN		AF_ISDN
#define PF_PHONET	AF_PHONET
#define PF_IEEE802154	AF_IEEE802154
#define PF_MAX		AF_MAX
#endif // !PF_UNSPEC

#ifndef MSG_OOB
#define MSG_OOB		1
#define MSG_PEEK	2
#define MSG_DONTROUTE	4
#define MSG_TRYHARD     4       /* Synonym for MSG_DONTROUTE for DECnet */
#define MSG_CTRUNC	8
#define MSG_PROBE	0x10	/* Do not send. Only probe path f.e. for MTU */
#define MSG_TRUNC	0x20
#define MSG_DONTWAIT	0x40	/* Nonblocking io		 */
#define MSG_EOR         0x80	/* End of record */
#define MSG_WAITALL	0x100	/* Wait for a full request */
#define MSG_FIN         0x200
#define MSG_SYN		0x400
#define MSG_CONFIRM	0x800	/* Confirm path validity */
#define MSG_RST		0x1000
#define MSG_ERRQUEUE	0x2000	/* Fetch message from error queue */
#define MSG_NOSIGNAL	0x4000	/* Do not generate SIGPIPE */
#define MSG_MORE	0x8000	/* Sender will send more */

#define MSG_EOF         MSG_FIN

#define MSG_CMSG_CLOEXEC 0x40000000	/* Set close_on_exit for file
					   descriptor received through
					   SCM_RIGHTS */
#if defined(CONFIG_COMPAT)
#define MSG_CMSG_COMPAT	0x80000000	/* This message needs 32 bit fixups */
#else
#define MSG_CMSG_COMPAT	0		/* We never have 32 bit fixups */
#endif
#endif // !MSG_OOB

/* These types is hidden under __KERNEL__ in kernel sources */
typedef unsigned short sa_family_t;
struct sockaddr {
	sa_family_t     sa_family;      /* address family, AF_xxx       */
	char            sa_data[14];    /* 14 bytes of protocol address */
};
typedef int socklen_t;
struct msghdr {
	void *msg_name;
	int msg_namelen;
	struct iovec *msg_iov;
	size_t msg_iovlen;
	void *msg_control;
	size_t msg_controllen;
	unsigned msg_flags;
};

/* Ancillary data structures and cmsg macros are also hidden under __KERNEL__ */
#ifndef CMSG_FIRSTHDR
/*
 *	POSIX 1003.1g - ancillary data object information
 *	Ancillary data consits of a sequence of pairs of
 *	(cmsghdr, cmsg_data[])
 */

struct cmsghdr {
	__kernel_size_t	cmsg_len;	/* data byte count, including hdr */
        int		cmsg_level;	/* originating protocol */
        int		cmsg_type;	/* protocol-specific type */
};

/*
 *	Ancilliary data object information MACROS
 *	Table 5-14 of POSIX 1003.1g
 */

#define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
#define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))

#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )

#define CMSG_DATA(cmsg)	((void *)((char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))

#define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? \
				  (struct cmsghdr *)(ctl) : \
				  (struct cmsghdr *)NULL)
#define CMSG_FIRSTHDR(msg)	__CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \
			     (cmsg)->cmsg_len <= (unsigned long) \
			     ((mhdr)->msg_controllen - \
			      ((char *)(cmsg) - (char *)(mhdr)->msg_control)))

/*
 *	Get the next cmsg header
 *
 *	PLEASE, do not touch this function. If you think, that it is
 *	incorrect, grep kernel sources and think about consequences
 *	before trying to improve it.
 *
 *	Now it always returns valid, not truncated ancillary object
 *	HEADER. But caller still MUST check, that cmsg->cmsg_len is
 *	inside range, given by msg->msg_controllen before using
 *	ancillary object DATA.				--ANK (980731)
 */

static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
					       struct cmsghdr *__cmsg)
{
	struct cmsghdr * __ptr;

	__ptr = (struct cmsghdr*)(((unsigned char *) __cmsg) +  CMSG_ALIGN(__cmsg->cmsg_len));
	if ((unsigned long)((char*)(__ptr+1) - (char *) __ctl) > __size)
		return (struct cmsghdr *)0;

	return __ptr;
}

static inline struct cmsghdr * cmsg_nxthdr (struct msghdr *__msg, struct cmsghdr *__cmsg)
{
	return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
}

/* "Socket"-level control message types: */

#define	SCM_RIGHTS	0x01		/* rw: access rights (array of int) */
#define SCM_CREDENTIALS 0x02		/* rw: struct ucred		*/
#define SCM_SECURITY	0x03		/* rw: security label		*/

struct ucred {
	__u32	pid;
	__u32	uid;
	__u32	gid;
};
#endif /* CMSG_FIRSTHDR */


__extern int socket(int, int, int);
__extern int bind(int, struct sockaddr *, int);
__extern int connect(int, struct sockaddr *, socklen_t);
__extern int listen(int, int);
__extern int accept(int, struct sockaddr *, socklen_t *);
__extern int getsockname(int, struct sockaddr *, socklen_t *);
__extern int getpeername(int, struct sockaddr *, socklen_t *);
__extern int socketpair(int, int, int, int *);
__extern int send(int, const void *, size_t, unsigned int);
__extern int sendto(int, const void *, size_t, int, const struct sockaddr *,
			socklen_t);
__extern int recv(int, void *, size_t, unsigned int);
__extern int recvfrom(int, void *, size_t, unsigned int, struct sockaddr *,
			  socklen_t *);
__extern int shutdown(int, int);
__extern int setsockopt(int, int, int, const void *, socklen_t);
__extern int getsockopt(int, int, int, void *, socklen_t *);
__extern int sendmsg(int, const struct msghdr *, unsigned int);
__extern int recvmsg(int, struct msghdr *, unsigned int);

#endif				/* _SYS_SOCKET_H */
1	/*
2	* sys/socket.h
3	*/
4
5	#ifndef _SYS_SOCKET_H
6	#define _SYS_SOCKET_H
7
8	#include <sys/types.h>
9	#include <klibc/extern.h>
10	#include <klibc/compiler.h>
11	#include <klibc/sysconfig.h>
12	#include <linux/socket.h>
13	#include <linux/uio.h>
14	#include <asm/socket.h>
15	#if _KLIBC_HAS_ARCHSOCKET_H
16	#include <klibc/archsocket.h>
17	#endif
18
19	/* Great job, guys! These are architecture-specific ABI constants,
20	that are hidden under #ifdef __KERNEL__... what a brilliant idea!
21	These are the "common" definitions; if not appropriate, override
22	them in <klibc/archsocket.h>. */
23
24	#ifndef SOCK_STREAM
25	# define SOCK_STREAM 1
26	# define SOCK_DGRAM 2
27	# define SOCK_RAW 3
28	# define SOCK_RDM 4
29	# define SOCK_SEQPACKET 5
30	# define SOCK_PACKET 10
31	#endif
32
33	#ifndef AF_INET
34	#define AF_UNSPEC 0
35	#define AF_UNIX 1 /* Unix domain sockets */
36	#define AF_LOCAL 1 /* POSIX name for AF_UNIX */
37	#define AF_INET 2 /* Internet IP Protocol */
38	#define AF_AX25 3 /* Amateur Radio AX.25 */
39	#define AF_IPX 4 /* Novell IPX */
40	#define AF_APPLETALK 5 /* AppleTalk DDP */
41	#define AF_NETROM 6 /* Amateur Radio NET/ROM */
42	#define AF_BRIDGE 7 /* Multiprotocol bridge */
43	#define AF_ATMPVC 8 /* ATM PVCs */
44	#define AF_X25 9 /* Reserved for X.25 project */
45	#define AF_INET6 10 /* IP version 6 */
46	#define AF_ROSE 11 /* Amateur Radio X.25 PLP */
47	#define AF_DECnet 12 /* Reserved for DECnet project */
48	#define AF_NETBEUI 13 /* Reserved for 802.2LLC project*/
49	#define AF_SECURITY 14 /* Security callback pseudo AF */
50	#define AF_KEY 15 /* PF_KEY key management API */
51	#define AF_NETLINK 16
52	#define AF_ROUTE AF_NETLINK /* Alias to emulate 4.4BSD */
53	#define AF_PACKET 17 /* Packet family */
54	#define AF_ASH 18 /* Ash */
55	#define AF_ECONET 19 /* Acorn Econet */
56	#define AF_ATMSVC 20 /* ATM SVCs */
57	#define AF_RDS 21 /* RDS sockets */
58	#define AF_SNA 22 /* Linux SNA Project (nutters!) */
59	#define AF_IRDA 23 /* IRDA sockets */
60	#define AF_PPPOX 24 /* PPPoX sockets */
61	#define AF_WANPIPE 25 /* Wanpipe API Sockets */
62	#define AF_LLC 26 /* Linux LLC */
63	#define AF_CAN 29 /* Controller Area Network */
64	#define AF_TIPC 30 /* TIPC sockets */
65	#define AF_BLUETOOTH 31 /* Bluetooth sockets */
66	#define AF_IUCV 32 /* IUCV sockets */
67	#define AF_RXRPC 33 /* RxRPC sockets */
68	#define AF_ISDN 34 /* mISDN sockets */
69	#define AF_PHONET 35 /* Phonet sockets */
70	#define AF_IEEE802154 36 /* IEEE802154 sockets */
71	#define AF_MAX 37 /* For now.. */
72	#endif // !AF_INET
73
74	#ifndef PF_UNSPEC
75	#define PF_UNSPEC AF_UNSPEC
76	#define PF_UNIX AF_UNIX
77	#define PF_LOCAL AF_LOCAL
78	#define PF_INET AF_INET
79	#define PF_AX25 AF_AX25
80	#define PF_IPX AF_IPX
81	#define PF_APPLETALK AF_APPLETALK
82	#define PF_NETROM AF_NETROM
83	#define PF_BRIDGE AF_BRIDGE
84	#define PF_ATMPVC AF_ATMPVC
85	#define PF_X25 AF_X25
86	#define PF_INET6 AF_INET6
87	#define PF_ROSE AF_ROSE
88	#define PF_DECnet AF_DECnet
89	#define PF_NETBEUI AF_NETBEUI
90	#define PF_SECURITY AF_SECURITY
91	#define PF_KEY AF_KEY
92	#define PF_NETLINK AF_NETLINK
93	#define PF_ROUTE AF_ROUTE
94	#define PF_PACKET AF_PACKET
95	#define PF_ASH AF_ASH
96	#define PF_ECONET AF_ECONET
97	#define PF_ATMSVC AF_ATMSVC
98	#define PF_RDS AF_RDS
99	#define PF_SNA AF_SNA
100	#define PF_IRDA AF_IRDA
101	#define PF_PPPOX AF_PPPOX
102	#define PF_WANPIPE AF_WANPIPE
103	#define PF_LLC AF_LLC
104	#define PF_CAN AF_CAN
105	#define PF_TIPC AF_TIPC
106	#define PF_BLUETOOTH AF_BLUETOOTH
107	#define PF_IUCV AF_IUCV
108	#define PF_RXRPC AF_RXRPC
109	#define PF_ISDN AF_ISDN
110	#define PF_PHONET AF_PHONET
111	#define PF_IEEE802154 AF_IEEE802154
112	#define PF_MAX AF_MAX
113	#endif // !PF_UNSPEC
114
115	#ifndef MSG_OOB
116	#define MSG_OOB 1
117	#define MSG_PEEK 2
118	#define MSG_DONTROUTE 4
119	#define MSG_TRYHARD 4 /* Synonym for MSG_DONTROUTE for DECnet */
120	#define MSG_CTRUNC 8
121	#define MSG_PROBE 0x10 /* Do not send. Only probe path f.e. for MTU */
122	#define MSG_TRUNC 0x20
123	#define MSG_DONTWAIT 0x40 /* Nonblocking io */
124	#define MSG_EOR 0x80 /* End of record */
125	#define MSG_WAITALL 0x100 /* Wait for a full request */
126	#define MSG_FIN 0x200
127	#define MSG_SYN 0x400
128	#define MSG_CONFIRM 0x800 /* Confirm path validity */
129	#define MSG_RST 0x1000
130	#define MSG_ERRQUEUE 0x2000 /* Fetch message from error queue */
131	#define MSG_NOSIGNAL 0x4000 /* Do not generate SIGPIPE */
132	#define MSG_MORE 0x8000 /* Sender will send more */
133
134	#define MSG_EOF MSG_FIN
135
136	#define MSG_CMSG_CLOEXEC 0x40000000 /* Set close_on_exit for file
137	descriptor received through
138	SCM_RIGHTS */
139	#if defined(CONFIG_COMPAT)
140	#define MSG_CMSG_COMPAT 0x80000000 /* This message needs 32 bit fixups */
141	#else
142	#define MSG_CMSG_COMPAT 0 /* We never have 32 bit fixups */
143	#endif
144	#endif // !MSG_OOB
145
146	/* These types is hidden under __KERNEL__ in kernel sources */
147	typedef unsigned short sa_family_t;
148	struct sockaddr {
149	sa_family_t sa_family; /* address family, AF_xxx */
150	char sa_data[14]; /* 14 bytes of protocol address */
151	};
152	typedef int socklen_t;
153	struct msghdr {
154	void *msg_name;
155	int msg_namelen;
156	struct iovec *msg_iov;
157	size_t msg_iovlen;
158	void *msg_control;
159	size_t msg_controllen;
160	unsigned msg_flags;
161	};
162
163	/* Ancillary data structures and cmsg macros are also hidden under __KERNEL__ */
164	#ifndef CMSG_FIRSTHDR
165	/*
166	* POSIX 1003.1g - ancillary data object information
167	* Ancillary data consits of a sequence of pairs of
168	* (cmsghdr, cmsg_data[])
169	*/
170
171	struct cmsghdr {
172	__kernel_size_t cmsg_len; /* data byte count, including hdr */
173	int cmsg_level; /* originating protocol */
174	int cmsg_type; /* protocol-specific type */
175	};
176
177	/*
178	* Ancilliary data object information MACROS
179	* Table 5-14 of POSIX 1003.1g
180	*/
181
182	#define __CMSG_NXTHDR(ctl, len, cmsg) __cmsg_nxthdr((ctl),(len),(cmsg))
183	#define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))
184
185	#define CMSG_ALIGN(len) ( ((len)+sizeof(long)-1) & ~(sizeof(long)-1) )
186
187	#define CMSG_DATA(cmsg) ((void )((char )(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr))))
188	#define CMSG_SPACE(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
189	#define CMSG_LEN(len) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
190
191	#define __CMSG_FIRSTHDR(ctl,len) ((len) >= sizeof(struct cmsghdr) ? \
192	(struct cmsghdr *)(ctl) : \
193	(struct cmsghdr *)NULL)
194	#define CMSG_FIRSTHDR(msg) __CMSG_FIRSTHDR((msg)->msg_control, (msg)->msg_controllen)
195	#define CMSG_OK(mhdr, cmsg) ((cmsg)->cmsg_len >= sizeof(struct cmsghdr) && \
196	(cmsg)->cmsg_len <= (unsigned long) \
197	((mhdr)->msg_controllen - \
198	((char )(cmsg) - (char )(mhdr)->msg_control)))
199
200	/*
201	* Get the next cmsg header
202	*
203	* PLEASE, do not touch this function. If you think, that it is
204	* incorrect, grep kernel sources and think about consequences
205	* before trying to improve it.
206	*
207	* Now it always returns valid, not truncated ancillary object
208	* HEADER. But caller still MUST check, that cmsg->cmsg_len is
209	* inside range, given by msg->msg_controllen before using
210	* ancillary object DATA. --ANK (980731)
211	*/
212
213	static inline struct cmsghdr * __cmsg_nxthdr(void *__ctl, __kernel_size_t __size,
214	struct cmsghdr *__cmsg)
215	{
216	struct cmsghdr * __ptr;
217
218	__ptr = (struct cmsghdr)(((unsigned char ) __cmsg) + CMSG_ALIGN(__cmsg->cmsg_len));
219	if ((unsigned long)((char)(__ptr+1) - (char ) __ctl) > __size)
220	return (struct cmsghdr *)0;
221
222	return __ptr;
223	}
224
225	static inline struct cmsghdr * cmsg_nxthdr (struct msghdr __msg, struct cmsghdr __cmsg)
226	{
227	return __cmsg_nxthdr(__msg->msg_control, __msg->msg_controllen, __cmsg);
228	}
229
230	/* "Socket"-level control message types: */
231
232	#define SCM_RIGHTS 0x01 /* rw: access rights (array of int) */
233	#define SCM_CREDENTIALS 0x02 /* rw: struct ucred */
234	#define SCM_SECURITY 0x03 /* rw: security label */
235
236	struct ucred {
237	__u32 pid;
238	__u32 uid;
239	__u32 gid;
240	};
241	#endif /* CMSG_FIRSTHDR */
242
243
244	__extern int socket(int, int, int);
245	__extern int bind(int, struct sockaddr *, int);
246	__extern int connect(int, struct sockaddr *, socklen_t);
247	__extern int listen(int, int);
248	__extern int accept(int, struct sockaddr , socklen_t );
249	__extern int getsockname(int, struct sockaddr , socklen_t );
250	__extern int getpeername(int, struct sockaddr , socklen_t );
251	__extern int socketpair(int, int, int, int *);
252	__extern int send(int, const void *, size_t, unsigned int);
253	__extern int sendto(int, const void , size_t, int, const struct sockaddr ,
254	socklen_t);
255	__extern int recv(int, void *, size_t, unsigned int);
256	__extern int recvfrom(int, void , size_t, unsigned int, struct sockaddr ,
257	socklen_t *);
258	__extern int shutdown(int, int);
259	__extern int setsockopt(int, int, int, const void *, socklen_t);
260	__extern int getsockopt(int, int, int, void , socklen_t );
261	__extern int sendmsg(int, const struct msghdr *, unsigned int);
262	__extern int recvmsg(int, struct msghdr *, unsigned int);
263
264	#endif /* _SYS_SOCKET_H */