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typedef struct Ticket Ticket;
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typedef struct Ticketreq Ticketreq;
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typedef struct Authenticator Authenticator;
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typedef struct Nvrsafe Nvrsafe;
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typedef struct Passwordreq Passwordreq;
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typedef struct Chalstate Chalstate;
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typedef struct Apopchalstate Apopchalstate;
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typedef struct Chapreply Chapreply;
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typedef struct MSchapreply MSchapreply;
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enum
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{
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DOMLEN= 48, /* length of an authentication domain name */
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U9AUTH_DESKEYLEN= 7, /* length of a des key for encrypt/decrypt */
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CHALLEN= 8, /* length of a challenge */
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NETCHLEN= 16, /* max network challenge length */
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CONFIGLEN= 14,
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SECRETLEN= 32, /* max length of a secret */
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APOPCHLEN= 256,
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MD5LEN= 16,
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KEYDBOFF= 8, /* length of random data at the start of key file */
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OKEYDBLEN= U9FS_NAMELEN+U9AUTH_DESKEYLEN+4+2, /* length of an entry in old key file */
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KEYDBLEN= OKEYDBLEN+SECRETLEN, /* length of an entry in key file */
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U9AUTH_TCPPORT= 567,
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U9AUTH_ILPORT= 566,
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};
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/* encryption numberings (anti-replay) */
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enum
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{
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AuthTreq=1, /* ticket request */
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AuthChal=2, /* challenge box request */
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AuthPass=3, /* change password */
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AuthOK=4, /* fixed length reply follows */
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AuthErr=5, /* error follows */
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AuthMod=6, /* modify user */
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AuthApop=7, /* apop authentication for pop3 */
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AuthOKvar=9, /* variable length reply follows */
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AuthChap=10, /* chap authentication for ppp */
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AuthMSchap=11, /* MS chap authentication for ppp */
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AuthTs=64, /* ticket encrypted with server's key */
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AuthTc, /* ticket encrypted with client's key */
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AuthAs, /* server generated authenticator */
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AuthAc, /* client generated authenticator */
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AuthTp, /* ticket encrypted with clien's key for password change */
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};
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struct Ticketreq
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{
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char type;
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char authid[U9FS_NAMELEN]; /* server's encryption id */
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char authdom[DOMLEN]; /* server's authentication domain */
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char chal[CHALLEN]; /* challenge from server */
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char hostid[U9FS_NAMELEN]; /* host's encryption id */
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char uid[U9FS_NAMELEN]; /* uid of requesting user on host */
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};
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#define TICKREQLEN (3*U9FS_NAMELEN+CHALLEN+DOMLEN+1)
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struct Ticket
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{
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char num; /* replay protection */
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char chal[CHALLEN]; /* server challenge */
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char cuid[U9FS_NAMELEN]; /* uid on client */
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char suid[U9FS_NAMELEN]; /* uid on server */
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char key[U9AUTH_DESKEYLEN]; /* nonce DES key */
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};
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#define TICKETLEN (CHALLEN+2*U9FS_NAMELEN+U9AUTH_DESKEYLEN+1)
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struct Authenticator
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{
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char num; /* replay protection */
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char chal[CHALLEN];
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u_long id; /* authenticator id, ++'d with each auth */
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};
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#define AUTHENTLEN (CHALLEN+4+1)
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struct Passwordreq
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{
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char num;
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char old[U9FS_NAMELEN];
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char new[U9FS_NAMELEN];
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char changesecret;
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char secret[SECRETLEN]; /* new secret */
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};
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#define PASSREQLEN (2*U9FS_NAMELEN+1+1+SECRETLEN)
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struct Nvrsafe
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{
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char machkey[U9AUTH_DESKEYLEN];
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u_char machsum;
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char authkey[U9AUTH_DESKEYLEN];
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u_char authsum;
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char config[CONFIGLEN];
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u_char configsum;
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char authid[U9FS_NAMELEN];
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u_char authidsum;
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char authdom[DOMLEN];
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u_char authdomsum;
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};
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struct Chalstate
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{
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int afd; /* /dev/authenticate */
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int asfd; /* authdial() */
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char chal[NETCHLEN]; /* challenge/response */
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};
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struct Apopchalstate
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{
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int afd; /* /dev/authenticate */
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int asfd; /* authdial() */
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char chal[APOPCHLEN]; /* challenge/response */
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};
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struct Chapreply
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{
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u_char id;
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char uid[U9FS_NAMELEN];
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char resp[MD5LEN];
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};
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struct MSchapreply
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{
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char uid[U9FS_NAMELEN];
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char LMresp[24]; /* Lan Manager response */
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char NTresp[24]; /* NT response */
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};
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extern int convT2M(Ticket*, char*, char*);
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extern void convM2T(char*, Ticket*, char*);
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extern void convM2Tnoenc(char*, Ticket*);
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extern int convA2M(Authenticator*, char*, char*);
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extern void convM2A(char*, Authenticator*, char*);
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extern int convTR2M(Ticketreq*, char*);
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extern void convM2TR(char*, Ticketreq*);
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extern int convPR2M(Passwordreq*, char*, char*);
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extern void convM2PR(char*, Passwordreq*, char*);
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extern u_char nvcsum(void*, int);
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extern int opasstokey(char*, char*);
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extern int passtokey(char*, char*);
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extern int authenticate(int, int);
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extern int newns(char*, char*);
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extern int addns(char*, char*);
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extern int authdial(void);
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extern int auth(int);
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extern int srvauth(int, char*);
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extern int nauth(int, Ticket*);
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extern int nsrvauth(int, char*, Ticket*);
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extern int getchal(Chalstate*, char*);
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extern int chalreply(Chalstate*, char*);
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extern int amount(int, char*, int, char*);
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extern int apopchal(Apopchalstate*);
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extern int apopreply(Apopchalstate*, char*, char*);
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extern int login(char*, char*, char*);
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extern int sslnegotiate(int, Ticket*, char**, char**);
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extern int srvsslnegotiate(int, Ticket*, char**, char**);
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