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#ifndef P9AUTH_H
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#define P9AUTH_H
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#define U9AUTH_DOMLEN 48 /* length of an authentication domain name */
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#define U9AUTH_DESKEYLEN 7 /* length of a des key for encrypt/decrypt */
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#define U9AUTH_CHALLEN 8 /* length of a challenge */
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#define U9AUTH_NETCHLEN 16 /* max network challenge length */
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#define U9AUTH_CONFIGLEN 14
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#define U9AUTH_SECRETLEN 32 /* max length of a secret */
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#define U9AUTH_APOPCHLEN 256
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#define U9AUTH_MD5LEN 16
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#define U9AUTH_KEYDBOFF 8 /* length of random data at the start of key file */
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#define U9AUTH_OKEYDBLEN U9FSNAMELEN+U9AUTH_DESKEYLEN+4+2, /* length of an entry in old key file */
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#define U9AUTH_KEYDBLEN OKEYDBLENSECRETLEN, /* length of an entry in key file */
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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 u9auth_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[U9AUTH_DOMLEN]; /* server's authentication domain */
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char chal[U9AUTH_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 U9AUTH_TICKREQLEN (3*U9FS_NAMELEN+U9AUTH_CHALLEN+U9AUTH_DOMLEN+1)
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struct u9auth_ticket
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{
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char num; /* replay protection */
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char chal[U9AUTH_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 U9AUTH_TICKETLEN (U9AUTH_CHALLEN+2*U9FS_NAMELEN+U9AUTH_DESKEYLEN+1)
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struct u9auth_authenticator
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{
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char num; /* replay protection */
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char chal[U9AUTH_CHALLEN];
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u_long id; /* authenticator id, ++'d with each auth */
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};
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#define U9AUTH_AUTHENTLEN (U9AUTH_CHALLEN+4+1)
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struct u9auth_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[U9AUTH_SECRETLEN]; /* new secret */
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};
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#define U9AUTH_PASSREQLEN (2*U9FS_NAMELEN+1+1+U9AUTH_SECRETLEN)
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struct u9auth_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[U9AUTH_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[U9AUTH_DOMLEN];
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u_char authdomsum;
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};
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struct u9auth_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[U9AUTH_NETCHLEN]; /* challenge/response */
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};
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struct u9auth_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[U9AUTH_APOPCHLEN]; /* challenge/response */
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};
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struct u9auth_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[U9AUTH_MD5LEN];
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};
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struct u9auth_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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#ifdef KERNEL
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void u9auth_genchal __P((char *));
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int u9auth_gettickets __P((struct socket * so, struct u9fsreq * rep,
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char * user, char * ckey, char * ts, char * authc,
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struct proc * p));
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int encrypt9 __P((void *key, void * vbuf, int n));
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int decrypt9 __P((void *key, void * vbuf, int n));
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#endif
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#endif
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