Import sources from 2011-03-30 iso image

1 files changed, 273 insertions, 0 deletions

diff --git a/sys/src/cmd/9nfs/dat.h b/sys/src/cmd/9nfs/dat.h
new file mode 100755
index 000000000..c9f6a8664
--- /dev/null
+++ b/sys/src/cmd/9nfs/dat.h
@@ -0,0 +1,273 @@
+enum
+{
+	FHSIZE	= 32
+};
+
+typedef struct Accept	Accept;
+typedef struct Auth	Auth;
+typedef struct Authunix	Authunix;
+typedef struct Chalstuff Chalstuff;
+typedef uchar		Fhandle[FHSIZE];
+typedef struct Fid	Fid;
+typedef struct Procmap	Procmap;
+typedef struct Progmap	Progmap;
+typedef struct Reject	Reject;
+typedef struct Rpccall	Rpccall;
+typedef struct Rpccache	Rpccache;
+typedef struct Sattr	Sattr;
+typedef struct Session	Session;
+typedef struct String	String;
+typedef struct Strnode	Strnode;
+typedef struct Unixid	Unixid;
+typedef struct Unixidmap Unixidmap;
+typedef struct Unixmap	Unixmap;
+typedef struct Unixscmap Unixscmap;
+typedef struct Xfid	Xfid;
+typedef struct Xfile	Xfile;
+
+struct String
+{
+	ulong	n;
+	char *	s;
+};
+
+struct Progmap
+{
+	int	progno;
+	int	vers;
+	void	(*init)(int, char**);
+	Procmap *pmap;
+};
+
+struct Procmap
+{
+	int	procno;
+	int	(*procp)(int, Rpccall*, Rpccall*);
+};
+
+struct Auth
+{
+	ulong	flavor;
+	ulong	count;
+	void *	data;
+};
+
+struct Authunix
+{
+	ulong	stamp;
+	String	mach;
+	ulong	uid;
+	ulong	gid;
+	int	gidlen;
+	ulong	gids[10];
+};
+
+struct Accept
+{
+	Auth	averf;
+	ulong	astat;
+	union{
+		void *	results;	/* SUCCESS */
+		struct{			/* PROG_MISMATCH */
+			ulong	plow;	/* acceptable version numbers */
+			ulong	phigh;
+		};
+	};
+};
+
+struct Reject
+{
+	ulong	rstat;
+	union{
+		struct{			/* RPC_MISMATCH */
+			ulong	rlow;	/* acceptable  rpc version numbers */
+			ulong	rhigh;
+		};
+		ulong	authstat;	/* AUTH_ERROR */
+	};
+};
+
+struct Rpccall
+{
+	/* corresponds to Udphdr */
+	uchar	prefix0[12];
+	ulong	host;		/* ipv4 subset: prefixed to RPC message */
+	uchar	prefix1[12];
+	ulong	lhost;		/* ipv4 subset: prefixed to RPC message */
+	/* ignore ifcaddr */
+	ulong	port;		/* prefixed to RPC message */
+	ulong	lport;		/* prefixed to RPC message */
+
+	ulong	xid;		/* transaction id */
+	ulong	mtype;		/* CALL or REPLY */
+	union{
+		struct{		/* CALL */
+			ulong	rpcvers;	/* must be equal to two (2) */
+			ulong	prog;		/* program number */
+			ulong	vers;		/* program version */
+			ulong	proc;		/* procedure number */
+			Auth	cred;		/* authentication credentials */
+			Auth	verf;		/* authentication verifier */
+			Unixidmap *up;
+			char *	user;
+			void *	args;		/* procedure-specific */
+		};
+		struct{		/* REPLY */
+			ulong	stat;		/* MSG_ACCEPTED or MSG_DENIED */
+			union{
+				Accept;
+				Reject;
+			};
+		};
+	};
+};
+
+struct Rpccache
+{
+	Rpccache *prev;
+	Rpccache *next;
+	ulong	host;
+	ulong	port;
+	ulong	xid;
+	int	n;
+	uchar	data[4];
+};
+
+struct Sattr
+{
+	ulong	mode;
+	ulong	uid;
+	ulong	gid;
+	ulong	size;
+	ulong	atime;		/* sec's */
+	ulong	ausec;		/* microsec's */
+	ulong	mtime;
+	ulong	musec;
+};
+
+struct Strnode
+{
+	Strnode *next;	/* in hash bucket */
+	char	str[4];
+};
+
+struct Unixid
+{
+	Unixid *next;
+	char *	name;
+	int	id;
+};
+
+struct Unixmap
+{
+	char *	file;
+	int	style;
+	long	timestamp;
+	Unixid *ids;
+};
+
+struct Unixidmap
+{
+	Unixidmap *next;
+	int	flag;
+	char *	server;
+	char *	client;
+	Reprog *sexp;
+	Reprog *cexp;
+	Unixmap	u;
+	Unixmap	g;
+};
+
+struct Unixscmap
+{
+	Unixscmap *next;
+	char *	server;
+	ulong	clientip;
+	Unixidmap *map;
+};
+
+struct Xfile
+{
+	Xfile *	next;		/* hash chain */
+	Session	*s;
+	Qid		qid;	/* from stat */
+	Xfile *	parent;
+	Xfile *	child;		/* if directory */
+	Xfile *	sib;		/* siblings */
+	char *	name;		/* path element */
+	Xfid *	users;
+};
+
+enum
+{
+	Oread	= 1,
+	Owrite	= 2,
+	Open	= 3,
+	Trunc	= 4
+};
+
+struct Xfid
+{
+	Xfid *	next;		/* Xfile's user list */
+	Xfile *	xp;
+	char *	uid;
+	Fid *	urfid;
+	Fid *	opfid;
+	ulong	mode;		/* open mode, if opfid is non-zero */
+	ulong	offset;
+};
+
+struct Fid
+{
+	Fid **	owner;		/* null for root fids */
+	Fid *	prev;
+	Fid *	next;
+	long	tstale;		/* auto-clunk */
+};
+
+enum
+{
+	Maxfdata = 8192,
+	Maxstatdata = 2048,
+};
+
+struct Session
+{
+	Session *next;
+	char *	service;		/* for dial */
+	int	fd;
+#define CHALLEN 1
+	char	cchal[CHALLEN];		/* client challenge */
+	char	schal[CHALLEN];		/* server challenge */
+	char	authid[ANAMELEN];	/* server encryption uid */
+	char	authdom[DOMLEN];	/* server encryption domain */
+	char *	spec;			/* for attach */
+	Xfile *	root;			/* to answer mount rpc */
+	ushort	tag;
+	Fcall	f;
+	uchar	data[IOHDRSZ+Maxfdata];
+	uchar	statbuf[Maxstatdata];
+	Fid *	free;			/* available */
+	Fid	list;			/* active, most-recently-used order */
+	Fid	fids[1000];
+	int	noauth;
+};
+
+struct Chalstuff
+{
+	Chalstuff *next;
+	Xfid *	xf;
+	long	tstale;
+	Chalstate;
+};
+
+extern int	rpcdebug;
+extern int	p9debug;
+extern int	chatty;
+extern void	(*rpcalarm)(void);
+extern long	starttime;
+extern long	nfstime;
+extern char *	config;
+extern int	staletime;
+extern int	messagesize;
+extern char *	commonopts;