9base

revived minimalist port of Plan 9 userland to Unix
git clone git://git.suckless.org/9base
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auth.h (3871B)

      1 #ifndef __AUTH_H__
      2 #define __AUTH_H__ 1
      3 
      4 #ifdef __cplusplus
      5 extern "C" {
      6 #endif
      7 /*
      8 #pragma	src	"/sys/src/libauth"
      9 #pragma	lib	"libauth.a"
     10 */
     11 AUTOLIB(auth)
     12 
     13 /*
     14  * Interface for typical callers.
     15  */
     16 
     17 typedef struct	AuthInfo	AuthInfo;
     18 typedef struct	Chalstate	Chalstate;
     19 typedef struct	Chapreply	Chapreply;
     20 typedef struct	MSchapreply	MSchapreply;
     21 typedef struct	UserPasswd	UserPasswd;
     22 typedef struct	AuthRpc		AuthRpc;
     23 
     24 struct CFid;
     25 
     26 enum
     27 {
     28 	MAXCHLEN=	256,		/* max challenge length	*/
     29 	MAXNAMELEN=	256,		/* maximum name length */
     30 	MD5LEN=		16,
     31 
     32 	ARok = 0,			/* rpc return values */
     33 	ARdone,
     34 	ARerror,
     35 	ARneedkey,
     36 	ARbadkey,
     37 	ARwritenext,
     38 	ARtoosmall,
     39 	ARtoobig,
     40 	ARrpcfailure,
     41 	ARphase,
     42 
     43 	AuthRpcMax = 4096
     44 };
     45 
     46 struct AuthRpc
     47 {
     48 	int afd;
     49 	struct CFid *afid;
     50 	char ibuf[AuthRpcMax];
     51 	char obuf[AuthRpcMax];
     52 	char *arg;
     53 	uint narg;
     54 };
     55 
     56 struct AuthInfo
     57 {
     58 	char	*cuid;		/* caller id */
     59 	char	*suid;		/* server id */
     60 	char	*cap;		/* capability (only valid on server side) */
     61 	int	nsecret;	/* length of secret */
     62 	uchar	*secret;	/* secret */
     63 };
     64 
     65 struct Chalstate
     66 {
     67 	char	*user;
     68 	char	chal[MAXCHLEN];
     69 	int	nchal;
     70 	void	*resp;
     71 	int	nresp;
     72 
     73 /* for implementation only */
     74 	AuthRpc	*rpc;			/* to factotum */
     75 	char	userbuf[MAXNAMELEN];	/* temp space if needed */
     76 	int	userinchal;		/* user was sent to obtain challenge */
     77 };
     78 
     79 struct	Chapreply		/* for protocol "chap" */
     80 {
     81 	uchar	id;
     82 	char	resp[MD5LEN];
     83 };
     84 
     85 struct	MSchapreply	/* for protocol "mschap" */
     86 {
     87 	char	LMresp[24];		/* Lan Manager response */
     88 	char	NTresp[24];		/* NT response */
     89 };
     90 
     91 struct	UserPasswd
     92 {
     93 	char	*user;
     94 	char	*passwd;
     95 };
     96 
     97 extern	int	newns(char*, char*);
     98 extern	int	addns(char*, char*);
     99 
    100 extern	int	noworld(char*);
    101 extern	int	amount(int, char*, int, char*);
    102 
    103 /* these two may get generalized away -rsc */
    104 extern	int	login(char*, char*, char*);
    105 extern	int	httpauth(char*, char*);
    106 
    107 typedef struct Attr Attr;
    108 enum {
    109 	AttrNameval,		/* name=val -- when matching, must have name=val */
    110 	AttrQuery,		/* name? -- when matching, must be present */
    111 	AttrDefault		/* name:=val -- when matching, if present must match INTERNAL */
    112 };
    113 struct Attr
    114 {
    115 	int type;
    116 	Attr *next;
    117 	char *name;
    118 	char *val;
    119 };
    120 
    121 typedef int AuthGetkey(char*);
    122 
    123 int	_attrfmt(Fmt*);
    124 Attr	*_copyattr(Attr*);
    125 Attr	*_delattr(Attr*, char*);
    126 Attr	*_findattr(Attr*, char*);
    127 void	_freeattr(Attr*);
    128 Attr	*_mkattr(int, char*, char*, Attr*);
    129 Attr	*_parseattr(char*);
    130 char	*_strfindattr(Attr*, char*);
    131 /*
    132 #pragma varargck type "A" Attr*
    133 */
    134 
    135 extern AuthInfo*	fauth_proxy(int, AuthRpc *rpc, AuthGetkey *getkey, char *params);
    136 extern AuthInfo*	auth_proxy(int fd, AuthGetkey *getkey, char *fmt, ...);
    137 extern AuthInfo*	fsfauth_proxy(struct CFid*, AuthRpc *rpc, AuthGetkey *getkey, char *params);
    138 extern AuthInfo*	fsauth_proxy(struct CFid*, AuthGetkey *getkey, char *fmt, ...);
    139 extern int		auth_getkey(char*);
    140 extern int		(*amount_getkey)(char*);
    141 extern void		auth_freeAI(AuthInfo *ai);
    142 extern int		auth_chuid(AuthInfo *ai, char *ns);
    143 extern Chalstate	*auth_challenge(char*, ...);
    144 extern AuthInfo*	auth_response(Chalstate*);
    145 extern int		auth_respond(void*, uint, char*, uint, void*, uint, AuthGetkey *getkey, char*, ...);
    146 extern void		auth_freechal(Chalstate*);
    147 extern AuthInfo*	auth_userpasswd(char *user, char *passwd);
    148 extern UserPasswd*	auth_getuserpasswd(AuthGetkey *getkey, char*, ...);
    149 extern AuthInfo*	auth_getinfo(AuthRpc *rpc);
    150 extern AuthRpc*		auth_allocrpc(void);
    151 extern Attr*		auth_attr(AuthRpc *rpc);
    152 extern void		auth_freerpc(AuthRpc *rpc);
    153 extern uint		auth_rpc(AuthRpc *rpc, char *verb, void *a, int n);
    154 extern int		auth_wep(char*, char*, ...);
    155 
    156 extern struct CFsys*	fsamount(int fd, char *aname);
    157 extern struct CFsys* nsamount(char *name, char *aname);
    158 
    159 
    160 /*
    161 #pragma varargck argpos auth_proxy 3
    162 #pragma varargck argpos auth_challenge 1
    163 #pragma varargck argpos auth_respond 3
    164 #pragma varargck argpos auth_getuserpasswd 2
    165 */
    166 #ifdef __cplusplus
    167 }
    168 #endif
    169 #endif