aboutsummaryrefslogtreecommitdiff
path: root/src/cmd/auth/factotum/dat.h
blob: 49377f40192e6c37f25094ecd5cd347bad3830f6 (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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
enum
{
	MaxRpc = 2048,	/* max size of any protocol message */

	/* keep in sync with rpc.c:/rpcname */
	RpcUnknown = 0,		/* Rpc.op */
	RpcAuthinfo,
	RpcAttr,
	RpcRead,
	RpcStart,
	RpcWrite,
	RpcReadHex,
	RpcWriteHex,

	/* thread stack size - big buffers for printing */
	STACK = 65536
};

typedef struct Conv Conv;
typedef struct Key Key;
typedef struct Logbuf Logbuf;
typedef struct Proto Proto;
typedef struct Ring Ring;
typedef struct Role Role;
typedef struct Rpc Rpc;

struct Rpc
{
	int op;
	void *data;
	int count;
	int hex;	/* should result of read be turned into hex? */
};

struct Conv
{
	int ref;			/* ref count */
	int hangup;		/* flag: please hang up */
	int active;			/* flag: there is an active thread */
	int done;			/* flag: conversation finished successfully */
	ulong tag;			/* identifying tag */
	Conv *next;		/* in linked list */
	char *sysuser;		/* system name for user speaking to us */
	char *state;		/* for debugging */
	char statebuf[128];	/* for formatted states */
	char err[ERRMAX];	/* last error */

	Attr *attr;			/* current attributes */
	Proto *proto;		/* protocol */

	Channel *rpcwait;		/* wait here for an rpc */
	Rpc rpc;				/* current rpc. op==RpcUnknown means none */
	char rpcbuf[MaxRpc];	/* buffer for rpc */
	char reply[MaxRpc];		/* buffer for response */
	int nreply;				/* count of response */
	void (*kickreply)(Conv*);	/* call to send response */
	Req *req;				/* 9P call to read response */

	Channel *keywait;	/* wait here for key confirmation */
	
};

struct Key
{
	int ref;			/* ref count */
	ulong tag;			/* identifying tag: sequence number */
	Attr *attr;			/* public attributes */
	Attr *privattr;		/* private attributes, like !password */
	Proto *proto;		/* protocol owner of key */
	void *priv;		/* protocol-specific storage */
};

struct Logbuf
{
	Req *wait;
	Req **waitlast;
	int rp;
	int wp;
	char *msg[128];
};

struct Ring
{
	Key **key;
	int nkey;
};

struct Proto
{
	char *name;		/* name of protocol */
	Role *roles;		/* list of roles and service functions */
	char *keyprompt;	/* required attributes for key proto=name */
	int (*checkkey)(Key*);	/* initialize k->priv or reject key */
	void (*closekey)(Key*);	/* free k->priv */
};

struct Role
{
	char *name;		/* name of role */
	int (*fn)(Conv*);	/* service function */
};

extern char	*authaddr;	/* plan9.c */
extern int		*confirminuse;	/* fs.c */
extern Conv*	conv;		/* conv.c */
extern int		debug;		/* main.c */
extern char	*factname;	/* main.c */
extern Srv		fs;			/* fs.c */
extern int		*needkeyinuse;	/* fs.c */
extern char	*owner;		/* main.c */
extern Proto	*prototab[];	/* main.c */
extern Ring	ring;			/* key.c */
extern char	*rpcname[];	/* rpc.c */

extern char	Easproto[];	/* err.c */

void fsinit0(void);

/* provided by lib9p */
#define emalloc	emalloc9p
#define erealloc	erealloc9p
#define estrdup	estrdup9p

/* hidden in libauth */
#define attrfmt		_attrfmt
#define copyattr	_copyattr
#define delattr		_delattr
#define findattr		_findattr
#define freeattr		_freeattr
#define mkattr		_mkattr
#define parseattr	_parseattr
#define strfindattr	_strfindattr

extern Attr*	addattr(Attr*, char*, ...);
/* #pragma varargck argpos addattr 2 */
extern Attr*	addattrs(Attr*, Attr*);
extern Attr*	sortattr(Attr*);
extern int		attrnamefmt(Fmt*);
/* #pragma varargck type "N" Attr* */
extern int		matchattr(Attr*, Attr*, Attr*);
extern Attr*	parseattrfmt(char*, ...);
/* #pragma varargck argpos parseattrfmt 1 */
extern Attr*	parseattrfmtv(char*, va_list);

extern void	confirmflush(Req*);
extern void	confirmread(Req*);
extern int		confirmwrite(char*);
extern int		needkey(Conv*, Attr*);
extern int		badkey(Conv*, Key*, char*, Attr*);
extern int		confirmkey(Conv*, Key*);

extern Conv*	convalloc(char*);
extern void	convclose(Conv*);
extern void	convhangup(Conv*);
extern int		convneedkey(Conv*, Attr*);
extern int		convbadkey(Conv*, Key*, char*, Attr*);
extern int		convread(Conv*, void*, int);
extern int		convreadm(Conv*, char**);
extern int		convprint(Conv*, char*, ...);
/* #pragma varargck argpos convprint 2 */
extern int		convreadfn(Conv*, int(*)(void*, int), char**);
extern void	convreset(Conv*);
extern int		convwrite(Conv*, void*, int);

extern int		ctlwrite(char*);

extern char*	estrappend(char*, char*, ...);
/* #pragma varargck argpos estrappend 2 */
extern int		hexparse(char*, uchar*, int);

extern void	keyadd(Key*);
extern Key*	keylookup(char*, ...);
extern Key*	keyiterate(int, char*, ...);
/* #pragma varargck argpos keylookup 1 */
extern Key*	keyfetch(Conv*, char*, ...);
/* #pragma varargck argpos keyfetch 2 */
extern void	keyclose(Key*);
extern void	keyevict(Conv*, Key*, char*, ...);
/* #pragma varargck argpos keyevict 3 */
extern Key*	keyreplace(Conv*, Key*, char*, ...);
/* #pragma varargck argpos keyreplace 3 */

extern void	lbkick(Logbuf*);
extern void	lbappend(Logbuf*, char*, ...);
extern void	lbvappend(Logbuf*, char*, va_list);
/* #pragma varargck argpos lbappend 2 */
extern void	lbread(Logbuf*, Req*);
extern void	lbflush(Logbuf*, Req*);
extern void	flog(char*, ...);
/* #pragma varargck argpos flog 1 */

extern void	logflush(Req*);
extern void	logread(Req*);
extern void	logwrite(Req*);

extern void	needkeyread(Req*);
extern void	needkeyflush(Req*);
extern int		needkeywrite(char*);
extern int		needkeyqueue(void);

extern Attr*	addcap(Attr*, char*, Ticket*);
extern Key*	plan9authkey(Attr*);
extern int		_authdial(char*, char*);

extern int		memrandom(void*, int);

extern Proto*	protolookup(char*);

extern int		rpcwrite(Conv*, void*, int);
extern void	rpcrespond(Conv*, char*, ...);
/* #pragma varargck argpos rpcrespond 2 */
extern void	rpcrespondn(Conv*, char*, void*, int);
extern void	rpcexec(Conv*);

extern int		xioauthdial(char*, char*);
extern void	xioclose(int);
extern int		xiodial(char*, char*, char*, int*);
extern int		xiowrite(int, void*, int);
extern int		xioasrdresp(int, void*, int);
extern int		xioasgetticket(int, char*, char*);

/* pkcs1.c - maybe should be in libsec */
typedef DigestState *DigestAlg(uchar*, ulong, uchar*, DigestState*);
int	rsasign(RSApriv*, DigestAlg*, uchar*, uint, uchar*, uint);
int	rsaverify(RSApub*, DigestAlg*, uchar*, uint, uchar*, uint);
void	mptoberjust(mpint*, uchar*, uint);


extern int		extrafactotumdir;

int		havesecstore(void);
int		secstorefetch(void);