ape: add auth library

Reference: /n/atom/patch/applied2013/apeauth
Date: Tue May 28 03:18:29 CES 2013
Signed-off-by: quanstro@quanstro.net

--- /sys/src/ape/lib/auth/authsrv.h	Thu Jan  1 00:00:00 1970
+++ /sys/src/ape/lib/auth/authsrv.h	Tue May 21 19:21:36 2013
@@ -0,0 +1,18 @@
+enum
+{
+	ANAMELEN=	28,	/* name max size in previous proto */
+	AERRLEN=	64,	/* errstr max size in previous proto */
+	DOMLEN=		48,	/* authentication domain name length */
+	DESKEYLEN=	7,	/* encrypt/decrypt des key length */
+	CHALLEN=	8,	/* plan9 sk1 challenge length */
+	NETCHLEN=	16,	/* max network challenge length (used in AS protocol) */
+	CONFIGLEN=	14,
+	SECRETLEN=	32,	/* secret max size */
+
+	KEYDBOFF=	8,	/* bytes of random data at key file's start */
+	OKEYDBLEN=	ANAMELEN+DESKEYLEN+4+2,	/* old key file entry length */
+	KEYDBLEN=	OKEYDBLEN+SECRETLEN,	/* key file entry length */
+	OMD5LEN=	16,
+};
+
+extern	int	passtokey(char*, char*);
--- /sys/src/ape/lib/auth/fcall.h	Thu Jan  1 00:00:00 1970
+++ /sys/src/ape/lib/auth/fcall.h	Tue May 21 19:06:34 2013
@@ -0,0 +1,20 @@
+#define	VERSION9P	"9P2000"
+#define	MAXWELEM	16
+
+#define	GBIT8(p)	((p)[0])
+#define	GBIT16(p)	((p)[0]|((p)[1]<<8))
+#define	GBIT32(p)	((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24))
+#define	GBIT64(p)	((u32int)((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) |\
+				((vlong)((p)[4]|((p)[5]<<8)|((p)[6]<<16)|((p)[7]<<24)) << 32))
+
+#define	PBIT8(p,v)	(p)[0]=(v)
+#define	PBIT16(p,v)	(p)[0]=(v);(p)[1]=(v)>>8
+#define	PBIT32(p,v)	(p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24
+#define	PBIT64(p,v)	(p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24;\
+			(p)[4]=(v)>>32;(p)[5]=(v)>>40;(p)[6]=(v)>>48;(p)[7]=(v)>>56
+
+#define	BIT8SZ		1
+#define	BIT16SZ		2
+#define	BIT32SZ		4
+#define	BIT64SZ		8
+#define	QIDSZ	(BIT8SZ+BIT32SZ+BIT64SZ)
--- /sys/src/ape/lib/auth/mkfile	Thu Jan  1 00:00:00 1970
+++ /sys/src/ape/lib/auth/mkfile	Tue May 21 19:44:44 2013
@@ -0,0 +1,39 @@
+APE=/sys/src/ape
+<$APE/config
+
+LIB=/$objtype/lib/ape/libauth.a
+OFILES=\
+	amount.$O\
+	amount_getkey.$O\
+	attr.$O\
+	auth_attr.$O\
+	auth_challenge.$O\
+	auth_chuid.$O\
+	auth_getkey.$O\
+	auth_getuserpasswd.$O\
+	auth_proxy.$O\
+	auth_respond.$O\
+	auth_rpc.$O\
+	auth_userpasswd.$O\
+	auth_wep.$O\
+	login.$O\
+#	newns.$O\
+#	noworld.$O\
+
+HFILES=\
+	/sys/include/ape/auth.h\
+	/sys/src/libauth/authlocal.h\
+	../9/libc.h
+
+UPDATE=\
+	mkfile\
+	$HFILES\
+	${OFILES:%.$O=%.c}\
+	${LIB:/$objtype/%=/386/%}\
+
+</sys/src/cmd/mksyslib
+
+CFLAGS=-TVwc -D_POSIX_SOURCE -D_PLAN9_SOURCE -D_NET_EXTENSION -I. -I../9 -I/sys/src/libauth
+
+%.$O:	/sys/src/libauth/%.c
+	$CC $CFLAGS /sys/src/libauth/$stem.c