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