1 #pragma src "/sys/src/libauthsrv"
2 #pragma lib "libauthsrv.a"
5 * Interface for talking to authentication server.
7 typedef struct Ticket Ticket;
8 typedef struct Ticketreq Ticketreq;
9 typedef struct Authenticator Authenticator;
10 typedef struct Nvrsafe Nvrsafe;
11 typedef struct Passwordreq Passwordreq;
12 typedef struct OChapreply OChapreply;
13 typedef struct OMSchapreply OMSchapreply;
17 ANAMELEN= 28, /* name max size in previous proto */
18 AERRLEN= 64, /* errstr max size in previous proto */
19 DOMLEN= 48, /* authentication domain name length */
20 DESKEYLEN= 7, /* encrypt/decrypt des key length */
21 CHALLEN= 8, /* plan9 sk1 challenge length */
22 NETCHLEN= 16, /* max network challenge length (used in AS protocol) */
24 SECRETLEN= 32, /* secret max size */
26 KEYDBOFF= 8, /* bytes of random data at key file's start */
27 OKEYDBLEN= ANAMELEN+DESKEYLEN+4+2, /* old key file entry length */
28 KEYDBLEN= OKEYDBLEN+SECRETLEN, /* key file entry length */
32 /* encryption numberings (anti-replay) */
35 AuthTreq=1, /* ticket request */
36 AuthChal=2, /* challenge box request */
37 AuthPass=3, /* change password */
38 AuthOK=4, /* fixed length reply follows */
39 AuthErr=5, /* error follows */
40 AuthMod=6, /* modify user */
41 AuthApop=7, /* apop authentication for pop3 */
42 AuthOKvar=9, /* variable length reply follows */
43 AuthChap=10, /* chap authentication for ppp */
44 AuthMSchap=11, /* MS chap authentication for ppp */
45 AuthCram=12, /* CRAM verification for IMAP (RFC2195 & rfc2104) */
46 AuthHttp=13, /* http domain login */
47 AuthVNC=14, /* VNC server login (deprecated) */
50 AuthTs=64, /* ticket encrypted with server's key */
51 AuthTc, /* ticket encrypted with client's key */
52 AuthAs, /* server generated authenticator */
53 AuthAc, /* client generated authenticator */
54 AuthTp, /* ticket encrypted with client's key for password change */
55 AuthHr, /* http reply */
61 char authid[ANAMELEN]; /* server's encryption id */
62 char authdom[DOMLEN]; /* server's authentication domain */
63 char chal[CHALLEN]; /* challenge from server */
64 char hostid[ANAMELEN]; /* host's encryption id */
65 char uid[ANAMELEN]; /* uid of requesting user on host */
67 #define TICKREQLEN (3*ANAMELEN+CHALLEN+DOMLEN+1)
71 char num; /* replay protection */
72 char chal[CHALLEN]; /* server challenge */
73 char cuid[ANAMELEN]; /* uid on client */
74 char suid[ANAMELEN]; /* uid on server */
75 char key[DESKEYLEN]; /* nonce DES key */
77 #define TICKETLEN (CHALLEN+2*ANAMELEN+DESKEYLEN+1)
81 char num; /* replay protection */
83 ulong id; /* authenticator id, ++'d with each auth */
85 #define AUTHENTLEN (CHALLEN+4+1)
93 char secret[SECRETLEN]; /* new secret */
95 #define PASSREQLEN (2*ANAMELEN+1+1+SECRETLEN)
103 #define OCHAPREPLYLEN (1+ANAMELEN+OMD5LEN)
108 char LMresp[24]; /* Lan Manager response */
109 char NTresp[24]; /* NT response */
111 #define OMSCHAPREPLYLEN (ANAMELEN+24+24)
114 * convert to/from wire format
116 extern int convT2M(Ticket*, char*, char*);
117 extern void convM2T(char*, Ticket*, char*);
118 extern void convM2Tnoenc(char*, Ticket*);
119 extern int convA2M(Authenticator*, char*, char*);
120 extern void convM2A(char*, Authenticator*, char*);
121 extern int convTR2M(Ticketreq*, char*);
122 extern void convM2TR(char*, Ticketreq*);
123 extern int convPR2M(Passwordreq*, char*, char*);
124 extern void convM2PR(char*, Passwordreq*, char*);
127 * convert ascii password to DES key
129 extern int opasstokey(char*, char*);
130 extern int passtokey(char*, char*);
136 NVread = 0, /* just read */
137 NVwrite = 1<<0, /* always prompt and rewrite nvram */
138 NVwriteonerr = 1<<1, /* prompt and rewrite nvram when corrupt */
139 NVwritemem = 1<<2, /* don't prompt, write nvram from argument */
145 char machkey[DESKEYLEN]; /* was file server's authid's des key */
147 char authkey[DESKEYLEN]; /* authid's des key from password */
150 * file server config string of device holding full configuration;
151 * secstore key on non-file-servers.
153 char config[CONFIGLEN];
155 char authid[ANAMELEN]; /* auth userid, e.g., bootes */
157 char authdom[DOMLEN]; /* auth domain, e.g., cs.bell-labs.com */
161 extern uchar nvcsum(void*, int);
162 extern int readnvram(Nvrsafe*, int);
165 * call up auth server
167 extern int authdial(char *netroot, char *authdom);
170 * exchange messages with auth server
172 extern int _asgetticket(int, char*, char*);
173 extern int _asrdresp(int, char*, int);
174 extern int sslnegotiate(int, Ticket*, char**, char**);
175 extern int srvsslnegotiate(int, Ticket*, char**, char**);