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#include <u.h>
#include <libc.h>
#include <auth.h>
#include <authsrv.h>
#include <mp.h>
#include <libsec.h>
#include <String.h>
#include <thread.h> /* only for 9p.h */
#include <fcall.h>
#include <9p.h>
#pragma varargck type "N" Attr*
enum
{
Maxname = 128,
Maxrpc = 4096,
/* common protocol phases; proto-specific phases start at 0 */
Notstarted = -3,
Broken = -2,
Established = -1,
/* rpc read/write return values */
RpcFailure = 0,
RpcNeedkey,
RpcOk,
RpcErrstr,
RpcToosmall,
RpcPhase,
RpcConfirm,
};
typedef struct Domain Domain;
typedef struct Fsstate Fsstate;
typedef struct Key Key;
typedef struct Keyinfo Keyinfo;
typedef struct Keyring Keyring;
typedef struct Logbuf Logbuf;
typedef struct Proto Proto;
typedef struct State State;
#pragma incomplete State
struct Fsstate
{
char *sysuser; /* user according to system */
/* keylist, protolist */
int listoff;
/* per-rpc transient information */
int pending;
struct {
char *arg, buf[Maxrpc], *verb;
int iverb, narg, nbuf, nwant;
} rpc;
/* persistent (cross-rpc) information */
char err[ERRMAX];
char keyinfo[3*Maxname]; /* key request */
char **phasename;
int haveai, maxphase, phase, seqnum, started;
Attr *attr;
AuthInfo ai;
Proto *proto;
State *ps;
struct { /* pending or finished key confirmations */
Key *key;
int canuse;
ulong tag;
} *conf;
int nconf;
};
struct Key
{
int ref;
Attr *attr;
Attr *privattr; /* private attributes, like *data */
Proto *proto;
void *priv; /* protocol-specific; a parsed key, perhaps */
ulong successes;
};
struct Keyinfo /* for findkey */
{
Fsstate *fss;
char *user;
int noconf;
int skip;
int usedisabled;
Attr *attr;
};
struct Keyring
{
Key **key;
int nkey;
};
struct Logbuf
{
Req *wait;
Req **waitlast;
int rp;
int wp;
char *msg[128];
};
struct Proto
{
char *name;
int (*init)(Proto*, Fsstate*);
int (*addkey)(Key*, int);
void (*closekey)(Key*);
int (*write)(Fsstate*, void*, uint);
int (*read)(Fsstate*, void*, uint*);
void (*close)(Fsstate*);
char *keyprompt;
};
extern char *invoker;
extern char *owner;
extern char *authdom;
extern char Easproto[];
extern char Ebadarg[];
extern char Ebadkey[];
extern char Enegotiation[];
extern char Etoolarge[];
/* confirm.c */
void confirmread(Req*);
void confirmflush(Req*);
int confirmwrite(char*);
void confirmqueue(Req*, Fsstate*);
void needkeyread(Req*);
void needkeyflush(Req*);
int needkeywrite(char*);
int needkeyqueue(Req*, Fsstate*);
/* fs.c */
extern int askforkeys;
extern char *authaddr;
extern int *confirminuse;
extern int debug;
extern int gflag;
extern int kflag;
extern int *needkeyinuse;
extern int sflag;
extern int uflag;
extern char *mtpt;
extern char *service;
extern Proto *prototab[];
extern Keyring *ring;
/* log.c */
void flog(char*, ...);
#pragma varargck argpos flog 1
void logread(Req*);
void logflush(Req*);
void logbufflush(Logbuf*, Req*);
void logbufread(Logbuf*, Req*);
void logbufproc(Logbuf*);
void logbufappend(Logbuf*, char*);
void needkeyread(Req*);
void needkeyflush(Req*);
int needkeywrite(char*);
int needkeyqueue(Req*, Fsstate*);
/* rpc.c */
int ctlwrite(char*, int);
void rpcrdwrlog(Fsstate*, char*, uint, int, int);
void rpcstartlog(Attr*, Fsstate*, int);
void rpcread(Req*);
void rpcwrite(Req*);
/* secstore.c */
int havesecstore(void);
int secstorefetch(char*);
/* util.c */
#define emalloc emalloc9p
#define estrdup estrdup9p
#define erealloc erealloc9p
#pragma varargck argpos failure 2
#pragma varargck argpos findkey 3
#pragma varargck argpos setattr 2
int _authdial(char*, char*);
void askuser(char*);
int attrnamefmt(Fmt *fmt);
int canusekey(Fsstate*, Key*);
void closekey(Key*);
uchar *convAI2M(AuthInfo*, uchar*, int);
void disablekey(Key*);
char *estrappend(char*, char*, ...);
#pragma varargck argpos estrappend 2
int failure(Fsstate*, char*, ...);
Keyinfo* mkkeyinfo(Keyinfo*, Fsstate*, Attr*);
int findkey(Key**, Keyinfo*, char*, ...);
int findp9authkey(Key**, Fsstate*);
Proto *findproto(char*);
char *getnvramkey(int, char**);
void initcap(void);
int isclient(char*);
int matchattr(Attr*, Attr*, Attr*);
void memrandom(void*, int);
char *mkcap(char*, char*);
int phaseerror(Fsstate*, char*);
char *phasename(Fsstate*, int, char*);
void promptforhostowner(void);
char *readcons(char*, char*, int);
int replacekey(Key*, int before);
char *safecpy(char*, char*, int);
int secdial(void);
Attr *setattr(Attr*, char*, ...);
Attr *setattrs(Attr*, Attr*);
void sethostowner(void);
void setmalloctaghere(void*);
int smatch(char*, char*);
Attr *sortattr(Attr*);
int toosmall(Fsstate*, uint);
void writehostowner(char*);
/* protocols */
extern Proto apop, cram; /* apop.c */
extern Proto p9any, p9sk1, p9sk2; /* p9sk.c */
extern Proto chap, mschap; /* chap.c */
extern Proto p9cr, vnc; /* p9cr.c */
extern Proto pass; /* pass.c */
extern Proto rsa; /* rsa.c */
extern Proto wep; /* wep.c */
/* extern Proto srs; /* srs.c */
extern Proto httpdigest; /* httpdigest.c */
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