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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);
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