aboutsummaryrefslogtreecommitdiff
path: root/include/auth.h
blob: f0ecdeaf57888a440dde4a39d082563c2948dadd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
#ifndef __AUTH_H__
#define __AUTH_H__ 1

#ifdef __cplusplus
extern "C" {
#endif
/*
#pragma	src	"/sys/src/libauth"
#pragma	lib	"libauth.a"
*/

/*
 * Interface for typical callers.
 */

typedef struct	AuthInfo	AuthInfo;
typedef struct	Chalstate	Chalstate;
typedef struct	Chapreply	Chapreply;
typedef struct	MSchapreply	MSchapreply;
typedef struct	UserPasswd	UserPasswd;
typedef struct	AuthRpc		AuthRpc;

enum
{
	MAXCHLEN=	256,		/* max challenge length	*/
	MAXNAMELEN=	256,		/* maximum name length */
	MD5LEN=		16,

	ARok = 0,			/* rpc return values */
	ARdone,
	ARerror,
	ARneedkey,
	ARbadkey,
	ARwritenext,
	ARtoosmall,
	ARtoobig,
	ARrpcfailure,
	ARphase,

	AuthRpcMax = 4096,
};

struct AuthRpc
{
	int afd;
	char ibuf[AuthRpcMax];
	char obuf[AuthRpcMax];
	char *arg;
	uint narg;
};

struct AuthInfo
{
	char	*cuid;		/* caller id */
	char	*suid;		/* server id */
	char	*cap;		/* capability (only valid on server side) */
	int	nsecret;	/* length of secret */
	uchar	*secret;	/* secret */
};

struct Chalstate
{
	char	*user;
	char	chal[MAXCHLEN];
	int	nchal;
	void	*resp;
	int	nresp;

/* for implementation only */
	int	afd;			/* to factotum */
	AuthRpc	*rpc;			/* to factotum */
	char	userbuf[MAXNAMELEN];	/* temp space if needed */
	int	userinchal;		/* user was sent to obtain challenge */
};

struct	Chapreply		/* for protocol "chap" */
{
	uchar	id;
	char	resp[MD5LEN];
};

struct	MSchapreply	/* for protocol "mschap" */
{
	char	LMresp[24];		/* Lan Manager response */
	char	NTresp[24];		/* NT response */
};

struct	UserPasswd
{
	char	*user;
	char	*passwd;
};

extern	int	newns(char*, char*);
extern	int	addns(char*, char*);

extern	int	noworld(char*);
extern	int	amount(int, char*, int, char*);

/* these two may get generalized away -rsc */
extern	int	login(char*, char*, char*);
extern	int	httpauth(char*, char*);

typedef struct Attr Attr;
enum {
	AttrNameval,		/* name=val -- when matching, must have name=val */
	AttrQuery,		/* name? -- when matching, must be present */
	AttrDefault,		/* name:=val -- when matching, if present must match INTERNAL */
};
struct Attr
{
	int type;
	Attr *next;
	char *name;
	char *val;
};

typedef int AuthGetkey(char*);

int	_attrfmt(Fmt*);
Attr	*_copyattr(Attr*);
Attr	*_delattr(Attr*, char*);
Attr	*_findattr(Attr*, char*);
void	_freeattr(Attr*);
Attr	*_mkattr(int, char*, char*, Attr*);
Attr	*_parseattr(char*);
char	*_strfindattr(Attr*, char*);
/*
#pragma varargck type "A" Attr*
*/

extern AuthInfo*	fauth_proxy(int, AuthRpc *rpc, AuthGetkey *getkey, char *params);
extern AuthInfo*	auth_proxy(int fd, AuthGetkey *getkey, char *fmt, ...);
extern int		auth_getkey(char*);
extern int		(*amount_getkey)(char*);
extern void		auth_freeAI(AuthInfo *ai);
extern int		auth_chuid(AuthInfo *ai, char *ns);
extern Chalstate	*auth_challenge(char*, ...);
extern AuthInfo*	auth_response(Chalstate*);
extern int		auth_respond(void*, uint, char*, uint, void*, uint, AuthGetkey *getkey, char*, ...);
extern void		auth_freechal(Chalstate*);
extern AuthInfo*	auth_userpasswd(char *user, char *passwd);
extern UserPasswd*	auth_getuserpasswd(AuthGetkey *getkey, char*, ...);
extern AuthInfo*	auth_getinfo(AuthRpc *rpc);
extern AuthRpc*		auth_allocrpc(int afd);
extern Attr*		auth_attr(AuthRpc *rpc);
extern void		auth_freerpc(AuthRpc *rpc);
extern uint		auth_rpc(AuthRpc *rpc, char *verb, void *a, int n);
extern int		auth_wep(char*, char*, ...);
/*
#pragma varargck argpos auth_proxy 3
#pragma varargck argpos auth_challenge 1
#pragma varargck argpos auth_respond 3
#pragma varargck argpos auth_getuserpasswd 2
*/
#ifdef __cplusplus
}
#endif
#endif