6 * Copyright (C) 1987 by the Massachusetts Institute of Technology
8 * Server for user registration with MOIRA and Kerberos.
10 * This file contains all the information needed by all source
11 * files for the user registration server.
14 #include <sys/types.h>
17 #include "ureg_proto.h"
27 #define FAIL_INST "reg_svr" /* Instance for failure zephyrgrams */
29 #define CUR_UREG_VERSION 1 /* Version for the register protocol */
30 #define SUCCESS 0 /* General purpose success code */
31 #define FAILURE 1 /* To use when any non-zero number will work */
32 #define min(a,b) ((a)>(b)?(b):(a))
33 #define MIN_UNAME 3 /* Username must be between three and */
34 #define MAX_UNAME 8 /* eight characters long. */
35 #define CRYPT_LEN 14 /* crypt() returns a 13 char string */
36 #define LOGIN_LEN MAX_UNAME + 1 /* Leave room for a null */
37 #define UID_LEN 7 /* Allow room for a 16 bit number */
39 extern char *strdup();
40 extern char *malloc();
42 extern char *whoami; /* Name of program - used by libraries */
43 extern int errno; /* Unix error number */
45 /* This structure holds information from the MOIRA database that will be
46 worth holding on to. An instance of it appears in the formatted
50 char mit_id[CRYPT_LEN]; /* Encrypted MIT ID */
51 int reg_status; /* Registration status */
52 char uid[UID_LEN]; /* Reserved uid */
53 char login[LOGIN_LEN]; /* Login (username) */
56 /* This structure stores information sent over in the packet in a
57 more convenient format and also stores some information obtained
58 from the database that will be needed for each transaction. It
59 initialized from format_pkt() and find_user(). */
62 U_32BIT version; /* User registration protocol version */
63 U_32BIT request; /* Request */
64 char *first; /* First name */
65 char *last; /* Last name */
66 char *encrypted; /* Encrypted information in packet */
67 int encrypted_len; /* Length of encrypted information in packet */
68 char *leftover; /* Leftover information sent in the packet */
69 int leftover_len; /* Length of leftover information */
70 struct db_data db; /* Information from the MOIRA database */
73 void failure_alert(); /* Log an unexplainable failure */
74 int parse_pkt(); /* Parse a packet from the client */
75 int format_pkt(); /* Prepare a packet to send to client*/
76 int verify_user(); /* Make sure user is allowed to register */
77 int reserve_user(); /* Reserve a login for this user */
78 int set_password(); /* Set this user's password */
81 /* For logging successful database transactions */