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Commit | Line | Data |
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3d8d4b36 | 1 | /* |
2 | * $Source$ | |
3 | * $Author$ | |
4 | * $Locker$ | |
5 | * | |
6 | * Copyright 1985,1986 by the Massachusetts Institute of Technology | |
7 | * | |
8 | */ | |
9 | ||
10 | ||
11 | #define KRB_PORT 750 /* PC's don't have /etc/services */ | |
12 | #define KRB_PROT_VERSION 4 | |
13 | #define MAX_PKT_LEN 1000 | |
14 | #define MAX_TXT_LEN 1000 | |
15 | #define TICKET_GRANTING_TICKET "krbtgt" | |
16 | ||
17 | /* Macro's to obtain various fields from a packet */ | |
18 | ||
19 | #define pkt_version(packet) (unsigned int) *(packet->dat) | |
20 | #define pkt_msg_type(packet) (unsigned int) *(packet->dat+1) | |
21 | #define pkt_a_name(packet) (packet->dat+2) | |
22 | #define pkt_a_inst(packet) (packet->dat+3+strlen(pkt_a_name(packet))) | |
23 | #define pkt_a_realm(packet) (pkt_a_inst(packet)+1+strlen(pkt_a_inst(packet))) | |
24 | ||
25 | ||
26 | /* Macro to obtain realm from application request */ | |
27 | #define apreq_realm(auth) (auth->dat + 3) | |
28 | ||
29 | ||
30 | /* If there are long alignment problems, these */ | |
31 | /* will have to be rewritten */ | |
32 | ||
33 | #define pkt_time_ws(packet) (unsigned long *) \ | |
34 | (packet->dat+5+strlen(pkt_a_name(packet))+strlen(pkt_a_inst(packet)) \ | |
35 | +strlen(pkt_a_realm(packet))) | |
36 | #define pkt_no_req(packet) (unsigned short) \ | |
37 | *(packet->dat+9+strlen(pkt_a_name(packet))+ \ | |
38 | strlen(pkt_a_inst(packet))+strlen(pkt_a_realm(packet))) | |
39 | ||
40 | #define pkt_x_date(packet) (unsigned long *) \ | |
41 | (packet->dat+10+strlen(pkt_a_name(packet))+strlen(pkt_a_inst(packet)) \ | |
42 | +strlen(pkt_a_realm(packet))) | |
43 | ||
44 | #define pkt_err_code(packet) ( (unsigned long *) \ | |
45 | (packet->dat+9+strlen(pkt_a_name(packet))+strlen(pkt_a_inst(packet)) \ | |
46 | +strlen(pkt_a_realm(packet)))) | |
47 | #define pkt_err_text(packet) \ | |
48 | (packet->dat+13+strlen(pkt_a_name(packet))+ \ | |
49 | strlen(pkt_a_inst(packet))+strlen(pkt_a_realm(packet))) | |
50 | ||
51 | /* Routines to create and read packets may be found in prot.c */ | |
52 | ||
53 | struct ktext *create_packet_to_kdc(); | |
54 | struct ktext *create_auth_reply(); | |
55 | struct ktext *create_death_packet(); | |
56 | struct ktext *pkt_cipher(); | |
57 | ||
58 | /* Message types , always leave lsb for byte order */ | |
59 | ||
60 | #define AUTH_MSG_KDC_REQUEST 1<<1 | |
61 | #define AUTH_MSG_KDC_REPLY 2<<1 | |
62 | #define AUTH_MSG_APPL_REQUEST 3<<1 | |
63 | #define AUTH_MSG_APPL_REQUEST_MUTUAL 4<<1 | |
64 | #define AUTH_MSG_ERR_REPLY 5<<1 | |
65 | #define AUTH_MSG_PRIVATE 6<<1 | |
66 | #define AUTH_MSG_SAFE 7<<1 | |
67 | #define AUTH_MSG_APPL_ERR 8<<1 | |
68 | #define AUTH_MSG_DIE 63<<1 | |
69 | ||
70 | /* values for kerb error codes */ | |
71 | #define KERB_ERR_OK 0 | |
72 | #define KERB_ERR_NAME_EXP 1 | |
73 | #define KERB_ERR_SERVICE_EXP 2 | |
74 | #define KERB_ERR_AUTH_EXP 3 | |
75 | #define KERB_ERR_PKT_VER 4 | |
76 | #define KERB_ERR_NAME_MAST_KEY_VER 5 | |
77 | #define KERB_ERR_SERV_MAST_KEY_VER 6 | |
78 | #define KERB_ERR_BYTE_ORDER 7 | |
79 | #define KERB_ERR_PRINCIPAL_UNKNOWN 8 | |
80 | #define KERB_ERR_PRINCIPAL_NOT_UNIQUE 9 | |
81 | #define KERB_ERR_NULL_KEY 10 | |
82 | ||
83 | /* Byte ordering */ | |
84 | static int ONE = 1; | |
85 | #define HOST_BYTE_ORDER (* (char *) &ONE) | |
86 | #define MSB_FIRST 0 /* 68000 */ | |
87 | #define LSB_FIRST 1 /* Vax, PC8086 */ |