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#include <auth.h>
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#include <fcall.h>
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enum {
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	NFidHash	= 503,
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};
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typedef struct Con Con;
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typedef struct DirBuf DirBuf;
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typedef struct Excl Excl;
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typedef struct Fid Fid;
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typedef struct Fsys Fsys;
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typedef struct Msg Msg;
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#pragma incomplete DirBuf
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#pragma incomplete Excl
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#pragma incomplete Fsys
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struct Msg {
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	uchar*	data;
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	u32int	msize;			/* actual size of data */
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	Fcall	t;
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	Fcall	r;
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	Con*	con;
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	Msg*	anext;			/* allocation free list */
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	Msg*	mnext;			/* all active messsages on this Con */
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	Msg* 	mprev;
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	int	state;			/* */
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	Msg*	flush;			/* flushes waiting for this Msg */
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	Msg*	rwnext;			/* read/write queue */
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	int	nowq;			/* do not place on write queue */
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};
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enum {
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	MsgN		= 0,
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	MsgR		= 1,
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	Msg9		= 2,
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	MsgW		= 3,
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	MsgF		= 4,
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};
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enum {
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	ConNoneAllow	= 1<<0,
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	ConNoAuthCheck	= 1<<1,
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	ConNoPermCheck	= 1<<2,
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	ConWstatAllow	= 1<<3,
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	ConIPCheck	= 1<<4,
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};
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struct Con {
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	char*	name;
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	uchar*	data;			/* max, not negotiated */
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	int	isconsole;		/* immutable */
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	int	flags;			/* immutable */
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	char	remote[128];		/* immutable */
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	VtLock*	lock;
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	int	state;
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	int	fd;
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	Msg*	version;
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	u32int	msize;			/* negotiated with Tversion */
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	VtRendez* rendez;
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	Con*	anext;			/* alloc */
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	Con*	cnext;			/* in use */
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	Con*	cprev;
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	VtLock*	alock;
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	int	aok;			/* authentication done */
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	VtLock*	mlock;
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	Msg*	mhead;			/* all Msgs on this connection */
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	Msg*	mtail;
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	VtRendez* mrendez;
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	VtLock*	wlock;
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	Msg*	whead;			/* write queue */
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	Msg*	wtail;
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	VtRendez* wrendez;
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	VtLock*	fidlock;		/* */
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	Fid*	fidhash[NFidHash];
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	Fid*	fhead;
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	Fid*	ftail;
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	int	nfid;
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};
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enum {
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	ConDead		= 0,
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	ConNew		= 1,
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	ConDown		= 2,
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	ConInit		= 3,
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	ConUp		= 4,
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	ConMoribund	= 5,
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};
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struct Fid {
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	VtLock*	lock;
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	Con*	con;
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	u32int	fidno;
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	int	ref;			/* inc/dec under Con.fidlock */
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	int	flags;
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	int	open;
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	Fsys*	fsys;
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	File*	file;
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	Qid	qid;
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	char*	uid;
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	char*	uname;
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	DirBuf*	db;
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	Excl*	excl;
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	VtLock*	alock;			/* Tauth/Tattach */
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	AuthRpc* rpc;
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	char*	cuname;
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	Fid*	sort;			/* sorted by uname in cmdWho */
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	Fid*	hash;			/* lookup by fidno */
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	Fid*	next;			/* clunk session with Tversion */
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	Fid*	prev;
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};
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enum {					/* Fid.flags and fidGet(..., flags) */
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	FidFCreate	= 0x01,
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	FidFWlock	= 0x02,
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};
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enum {					/* Fid.open */
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	FidOCreate	= 0x01,
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	FidORead	= 0x02,
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	FidOWrite	= 0x04,
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	FidORclose	= 0x08,
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};
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/*
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 * 9p.c
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 */
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extern int (*rFcall[Tmax])(Msg*);
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extern int validFileName(char*);
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/*
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 * 9auth.c
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 */
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extern int authCheck(Fcall*, Fid*, Fsys*);
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extern int authRead(Fid*, void*, int);
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extern int authWrite(Fid*, void*, int);
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/*
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 * 9dir.c
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 */
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extern void dirBufFree(DirBuf*);
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extern int dirDe2M(DirEntry*, uchar*, int);
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extern int dirRead(Fid*, uchar*, int, vlong);
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/*
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 * 9excl.c
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 */
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extern int exclAlloc(Fid*);
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extern void exclFree(Fid*);
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extern void exclInit(void);
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extern int exclUpdate(Fid*);
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/*
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 * 9fid.c
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 */
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extern void fidClunk(Fid*);
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extern void fidClunkAll(Con*);
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extern Fid* fidGet(Con*, u32int, int);
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extern void fidInit(void);
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extern void fidPut(Fid*);
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/*
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 * 9fsys.c
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 */
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extern void fsysFsRlock(Fsys*);
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extern void fsysFsRUnlock(Fsys*);
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extern Fs* fsysGetFs(Fsys*);
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extern Fsys* fsysGet(char*);
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extern char* fsysGetName(Fsys*);
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extern File* fsysGetRoot(Fsys*, char*);
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extern Fsys* fsysIncRef(Fsys*);
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extern int fsysInit(void);
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extern int fsysNoAuthCheck(Fsys*);
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extern int fsysNoPermCheck(Fsys*);
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extern void fsysPut(Fsys*);
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extern int fsysWstatAllow(Fsys*);
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/*
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 * 9lstn.c
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 */
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extern int lstnInit(void);
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/*
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 * 9proc.c
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 */
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extern Con* conAlloc(int, char*, int);
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extern void conInit(void);
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extern void msgFlush(Msg*);
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extern void msgInit(void);
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/*
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 * 9srv.c
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 */
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extern int srvInit(void);
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/*
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 * 9user.c
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 */
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extern int groupLeader(char*, char*);
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extern int groupMember(char*, char*);
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extern int groupWriteMember(char*);
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extern char* unameByUid(char*);
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extern char* uidByUname(char*);
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extern int usersInit(void);
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extern int usersFileRead(char*);
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extern int validUserName(char*);
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extern char* uidadm;
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extern char* unamenone;
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extern char* uidnoworld;
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/*
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 * Ccli.c
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 */
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extern int cliAddCmd(char*, int (*)(int, char*[]));
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extern int cliError(char*, ...);
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extern int cliInit(void);
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extern int cliExec(char*);
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#pragma	varargck	argpos	cliError	1
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/*
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 * Ccmd.c
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 */
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extern int cmdInit(void);
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/*
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 * Ccons.c
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 */
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extern int consPrompt(char*);
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extern int consInit(void);
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extern int consOpen(int, int, int);
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extern int consTTY(void);
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extern int consWrite(char*, int);
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248 
/*
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 * Clog.c
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 */
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extern int consPrint(char*, ...);
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extern int consVPrint(char*, va_list);
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#pragma	varargck	argpos	consPrint	1
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/*
256 
 * fossil.c
257 
 */
258 
extern int Dflag;