1 enum
2 {
3 	MaxRpc = 2048,	/* max size of any protocol message */
4 
5 	/* keep in sync with rpc.c:/rpcname */
6 	RpcUnknown = 0,		/* Rpc.op */
7 	RpcAuthinfo,
8 	RpcAttr,
9 	RpcRead,
10 	RpcStart,
11 	RpcWrite,
12 	RpcReadHex,
13 	RpcWriteHex,
14 
15 	/* thread stack size - big buffers for printing */
16 	STACK = 65536
17 };
18 
19 typedef struct Conv Conv;
20 typedef struct Key Key;
21 typedef struct Logbuf Logbuf;
22 typedef struct Proto Proto;
23 typedef struct Ring Ring;
24 typedef struct Role Role;
25 typedef struct Rpc Rpc;
26 
27 struct Rpc
28 {
29 	int op;
30 	void *data;
31 	int count;
32 	int hex;	/* should result of read be turned into hex? */
33 };
34 
35 struct Conv
36 {
37 	int ref;			/* ref count */
38 	int hangup;		/* flag: please hang up */
39 	int active;			/* flag: there is an active thread */
40 	int done;			/* flag: conversation finished successfully */
41 	ulong tag;			/* identifying tag */
42 	Conv *next;		/* in linked list */
43 	char *sysuser;		/* system name for user speaking to us */
44 	char *state;		/* for debugging */
45 	char statebuf[128];	/* for formatted states */
46 	char err[ERRMAX];	/* last error */
47 
48 	Attr *attr;			/* current attributes */
49 	Proto *proto;		/* protocol */
50 
51 	Channel *rpcwait;		/* wait here for an rpc */
52 	Rpc rpc;				/* current rpc. op==RpcUnknown means none */
53 	char rpcbuf[MaxRpc];	/* buffer for rpc */
54 	char reply[MaxRpc];		/* buffer for response */
55 	int nreply;				/* count of response */
56 	void (*kickreply)(Conv*);	/* call to send response */
57 	Req *req;				/* 9P call to read response */
58 
59 	Channel *keywait;	/* wait here for key confirmation */
60 	
61 };
62 
63 struct Key
64 {
65 	int ref;			/* ref count */
66 	ulong tag;			/* identifying tag: sequence number */
67 	Attr *attr;			/* public attributes */
68 	Attr *privattr;		/* private attributes, like !password */
69 	Proto *proto;		/* protocol owner of key */
70 	void *priv;		/* protocol-specific storage */
71 };
72 
73 struct Logbuf
74 {
75 	Req *wait;
76 	Req **waitlast;
77 	int rp;
78 	int wp;
79 	char *msg[128];
80 };
81 
82 struct Ring
83 {
84 	Key **key;
85 	int nkey;
86 };
87 
88 struct Proto
89 {
90 	char *name;		/* name of protocol */
91 	Role *roles;		/* list of roles and service functions */
92 	char *keyprompt;	/* required attributes for key proto=name */
93 	int (*checkkey)(Key*);	/* initialize k->priv or reject key */
94 	void (*closekey)(Key*);	/* free k->priv */
95 };
96 
97 struct Role
98 {
99 	char *name;		/* name of role */
100 	int (*fn)(Conv*);	/* service function */
101 };
102 
103 extern char	*authaddr;	/* plan9.c */
104 extern int		*confirminuse;	/* fs.c */
105 extern Conv*	conv;		/* conv.c */
106 extern int		debug;		/* main.c */
107 extern char	*factname;	/* main.c */
108 extern Srv		fs;			/* fs.c */
109 extern int		*needkeyinuse;	/* fs.c */
110 extern char	*owner;		/* main.c */
111 extern Proto	*prototab[];	/* main.c */
112 extern Ring	ring;			/* key.c */
113 extern char	*rpcname[];	/* rpc.c */
114 
115 extern char	Easproto[];	/* err.c */
116 
117 void fsinit0(void);
118 
119 /* provided by lib9p */
120 #define emalloc	emalloc9p
121 #define erealloc	erealloc9p
122 #define estrdup	estrdup9p
123 
124 /* hidden in libauth */
125 #define attrfmt		_attrfmt
126 #define copyattr	_copyattr
127 #define delattr		_delattr
128 #define findattr		_findattr
129 #define freeattr		_freeattr
130 #define mkattr		_mkattr
131 #define parseattr	_parseattr
132 #define strfindattr	_strfindattr
133 
134 extern Attr*	addattr(Attr*, char*, ...);
135 /* #pragma varargck argpos addattr 2 */
136 extern Attr*	addattrs(Attr*, Attr*);
137 extern Attr*	sortattr(Attr*);
138 extern int		attrnamefmt(Fmt*);
139 /* #pragma varargck type "N" Attr* */
140 extern int		matchattr(Attr*, Attr*, Attr*);
141 extern Attr*	parseattrfmt(char*, ...);
142 /* #pragma varargck argpos parseattrfmt 1 */
143 extern Attr*	parseattrfmtv(char*, va_list);
144 
145 extern void	confirmflush(Req*);
146 extern void	confirmread(Req*);
147 extern int		confirmwrite(char*);
148 extern int		needkey(Conv*, Attr*);
149 extern int		badkey(Conv*, Key*, char*, Attr*);
150 extern int		confirmkey(Conv*, Key*);
151 
152 extern Conv*	convalloc(char*);
153 extern void	convclose(Conv*);
154 extern void	convhangup(Conv*);
155 extern int		convneedkey(Conv*, Attr*);
156 extern int		convbadkey(Conv*, Key*, char*, Attr*);
157 extern int		convread(Conv*, void*, int);
158 extern int		convreadm(Conv*, char**);
159 extern int		convprint(Conv*, char*, ...);
160 /* #pragma varargck argpos convprint 2 */
161 extern int		convreadfn(Conv*, int(*)(void*, int), char**);
162 extern void	convreset(Conv*);
163 extern int		convwrite(Conv*, void*, int);
164 
165 extern int		ctlwrite(char*);
166 
167 extern char*	estrappend(char*, char*, ...);
168 /* #pragma varargck argpos estrappend 2 */
169 extern int		hexparse(char*, uchar*, int);
170 
171 extern void	keyadd(Key*);
172 extern Key*	keylookup(char*, ...);
173 extern Key*	keyiterate(int, char*, ...);
174 /* #pragma varargck argpos keylookup 1 */
175 extern Key*	keyfetch(Conv*, char*, ...);
176 /* #pragma varargck argpos keyfetch 2 */
177 extern void	keyclose(Key*);
178 extern void	keyevict(Conv*, Key*, char*, ...);
179 /* #pragma varargck argpos keyevict 3 */
180 extern Key*	keyreplace(Conv*, Key*, char*, ...);
181 /* #pragma varargck argpos keyreplace 3 */
182 
183 extern void	lbkick(Logbuf*);
184 extern void	lbappend(Logbuf*, char*, ...);
185 extern void	lbvappend(Logbuf*, char*, va_list);
186 /* #pragma varargck argpos lbappend 2 */
187 extern void	lbread(Logbuf*, Req*);
188 extern void	lbflush(Logbuf*, Req*);
189 extern void	flog(char*, ...);
190 /* #pragma varargck argpos flog 1 */
191 
192 extern void	logflush(Req*);
193 extern void	logread(Req*);
194 extern void	logwrite(Req*);
195 
196 extern void	needkeyread(Req*);
197 extern void	needkeyflush(Req*);
198 extern int		needkeywrite(char*);
199 extern int		needkeyqueue(void);
200 
201 extern Attr*	addcap(Attr*, char*, Ticket*);
202 extern Key*	plan9authkey(Attr*);
203 extern int		_authdial(char*, char*);
204 
205 extern int		memrandom(void*, int);
206 
207 extern Proto*	protolookup(char*);
208 
209 extern int		rpcwrite(Conv*, void*, int);
210 extern void	rpcrespond(Conv*, char*, ...);
211 /* #pragma varargck argpos rpcrespond 2 */
212 extern void	rpcrespondn(Conv*, char*, void*, int);
213 extern void	rpcexec(Conv*);
214 
215 extern int		xioauthdial(char*, char*);
216 extern void	xioclose(int);
217 extern int		xiodial(char*, char*, char*, int*);
218 extern int		xiowrite(int, void*, int);
219 extern int		xioasrdresp(int, void*, int);
220 extern int		xioasgetticket(int, char*, char*);
221 
222 /* pkcs1.c - maybe should be in libsec */
223 typedef DigestState *DigestAlg(uchar*, ulong, uchar*, DigestState*);
224 int	rsasign(RSApriv*, DigestAlg*, uchar*, uint, uchar*, uint);
225 int	rsaverify(RSApub*, DigestAlg*, uchar*, uint, uchar*, uint);
226 void	mptoberjust(mpint*, uchar*, uint);
227 
228 
229 extern int		extrafactotumdir;
230 
231 int		havesecstore(void);
232 int		secstorefetch(void);