377 lines
13 KiB
C
377 lines
13 KiB
C
|
/*
|
||
|
|
* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
|
||
|
|
* For copying and distribution information, please see the file
|
||
|
|
* <Copyright.MIT>.
|
||
|
|
*
|
||
|
|
* Include file for the Kerberos library.
|
||
|
|
*
|
||
|
|
* from: krb.h,v 4.26 89/08/08 17:55:25 jtkohl Exp $
|
||
|
|
* $Id: krb.h,v 1.4 1994/09/24 14:15:41 g89r4222 Exp $
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Only one time, please */
|
||
|
|
#ifndef KRB_DEFS
|
||
|
|
#define KRB_DEFS
|
||
|
|
|
||
|
|
/* Need some defs from des.h */
|
||
|
|
#include <kerberosIV/des.h>
|
||
|
|
|
||
|
|
/* Text describing error codes */
|
||
|
|
#define MAX_KRB_ERRORS 256
|
||
|
|
extern char *krb_err_txt[MAX_KRB_ERRORS];
|
||
|
|
|
||
|
|
/* These are not defined for at least SunOS 3.3 and Ultrix 2.2 */
|
||
|
|
#if defined(ULTRIX022) || (defined(SunOS) && SunOS < 40)
|
||
|
|
#define FD_ZERO(p) ((p)->fds_bits[0] = 0)
|
||
|
|
#define FD_SET(n, p) ((p)->fds_bits[0] |= (1 << (n)))
|
||
|
|
#define FD_ISSET(n, p) ((p)->fds_bits[0] & (1 << (n)))
|
||
|
|
#endif /* ULTRIX022 || SunOS */
|
||
|
|
|
||
|
|
/* General definitions */
|
||
|
|
#define KSUCCESS 0
|
||
|
|
#define KFAILURE 255
|
||
|
|
|
||
|
|
#ifdef NO_UIDGID_T
|
||
|
|
typedef unsigned short uid_t;
|
||
|
|
typedef unsigned short gid_t;
|
||
|
|
#endif /* NO_UIDGID_T */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Kerberos specific definitions
|
||
|
|
*
|
||
|
|
* KRBLOG is the log file for the kerberos master server. KRB_CONF is
|
||
|
|
* the configuration file where different host machines running master
|
||
|
|
* and slave servers can be found. KRB_MASTER is the name of the
|
||
|
|
* machine with the master database. The admin_server runs on this
|
||
|
|
* machine, and all changes to the db (as opposed to read-only
|
||
|
|
* requests, which can go to slaves) must go to it. KRB_HOST is the
|
||
|
|
* default machine * when looking for a kerberos slave server. Other
|
||
|
|
* possibilities are * in the KRB_CONF file. KRB_REALM is the name of
|
||
|
|
* the realm.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef notdef
|
||
|
|
this is server - only, does not belong here;
|
||
|
|
#define KRBLOG "/etc/kerberosIV/kerberos.log"
|
||
|
|
are these used anyplace '?';
|
||
|
|
#define VX_KRB_HSTFILE "/etc/krbhst"
|
||
|
|
#define PC_KRB_HSTFILE "\\kerberos\\krbhst"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define KRB_CONF "/etc/kerberosIV/krb.conf"
|
||
|
|
#define KRB_RLM_TRANS "/etc/kerberosIV/krb.realms"
|
||
|
|
#define KRB_MASTER "kerberos"
|
||
|
|
#define KRB_HOST KRB_MASTER
|
||
|
|
#define KRB_REALM "ATHENA.MIT.EDU"
|
||
|
|
|
||
|
|
/* The maximum sizes for aname, realm, sname, and instance +1 */
|
||
|
|
#define ANAME_SZ 40
|
||
|
|
#define REALM_SZ 40
|
||
|
|
#define SNAME_SZ 40
|
||
|
|
#define INST_SZ 40
|
||
|
|
/* include space for '.' and '@' */
|
||
|
|
#define MAX_K_NAME_SZ (ANAME_SZ + INST_SZ + REALM_SZ + 2)
|
||
|
|
#define KKEY_SZ 100
|
||
|
|
#define VERSION_SZ 1
|
||
|
|
#define MSG_TYPE_SZ 1
|
||
|
|
#define DATE_SZ 26 /* RTI date output */
|
||
|
|
|
||
|
|
#define MAX_HSTNM 100
|
||
|
|
|
||
|
|
#ifndef DEFAULT_TKT_LIFE /* allow compile-time override */
|
||
|
|
#define DEFAULT_TKT_LIFE 96 /* default lifetime for krb_mk_req
|
||
|
|
& co., 8 hrs */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Definition of text structure used to pass text around */
|
||
|
|
#define MAX_KTXT_LEN 1250
|
||
|
|
|
||
|
|
struct ktext {
|
||
|
|
int length; /* Length of the text */
|
||
|
|
unsigned char dat[MAX_KTXT_LEN]; /* The data itself */
|
||
|
|
unsigned long mbz; /* zero to catch runaway strings */
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct ktext *KTEXT;
|
||
|
|
typedef struct ktext KTEXT_ST;
|
||
|
|
|
||
|
|
|
||
|
|
/* Definitions for send_to_kdc */
|
||
|
|
#define CLIENT_KRB_TIMEOUT 4 /* time between retries */
|
||
|
|
#define CLIENT_KRB_RETRY 5 /* retry this many times */
|
||
|
|
#define CLIENT_KRB_BUFLEN 512 /* max unfragmented packet */
|
||
|
|
|
||
|
|
/* Definitions for ticket file utilities */
|
||
|
|
#define R_TKT_FIL 0
|
||
|
|
#define W_TKT_FIL 1
|
||
|
|
|
||
|
|
/* Definitions for cl_get_tgt */
|
||
|
|
#ifdef PC
|
||
|
|
#define CL_GTGT_INIT_FILE "\\kerberos\\k_in_tkts"
|
||
|
|
#else
|
||
|
|
#define CL_GTGT_INIT_FILE "/etc/k_in_tkts"
|
||
|
|
#endif PC
|
||
|
|
|
||
|
|
/* Parameters for rd_ap_req */
|
||
|
|
/* Maximum alloable clock skew in seconds */
|
||
|
|
#define CLOCK_SKEW 5*60
|
||
|
|
/* Filename for readservkey */
|
||
|
|
#define KEYFILE "/etc/kerberosIV/srvtab"
|
||
|
|
|
||
|
|
/* Structure definition for rd_ap_req */
|
||
|
|
|
||
|
|
struct auth_dat {
|
||
|
|
unsigned char k_flags; /* Flags from ticket */
|
||
|
|
char pname[ANAME_SZ]; /* Principal's name */
|
||
|
|
char pinst[INST_SZ]; /* His Instance */
|
||
|
|
char prealm[REALM_SZ]; /* His Realm */
|
||
|
|
unsigned long checksum; /* Data checksum (opt) */
|
||
|
|
C_Block session; /* Session Key */
|
||
|
|
int life; /* Life of ticket */
|
||
|
|
unsigned long time_sec; /* Time ticket issued */
|
||
|
|
unsigned long address; /* Address in ticket */
|
||
|
|
KTEXT_ST reply; /* Auth reply (opt) */
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct auth_dat AUTH_DAT;
|
||
|
|
|
||
|
|
/* Structure definition for credentials returned by get_cred */
|
||
|
|
|
||
|
|
struct credentials {
|
||
|
|
char service[ANAME_SZ]; /* Service name */
|
||
|
|
char instance[INST_SZ]; /* Instance */
|
||
|
|
char realm[REALM_SZ]; /* Auth domain */
|
||
|
|
C_Block session; /* Session key */
|
||
|
|
int lifetime; /* Lifetime */
|
||
|
|
int kvno; /* Key version number */
|
||
|
|
KTEXT_ST ticket_st; /* The ticket itself */
|
||
|
|
long issue_date; /* The issue time */
|
||
|
|
char pname[ANAME_SZ]; /* Principal's name */
|
||
|
|
char pinst[INST_SZ]; /* Principal's instance */
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct credentials CREDENTIALS;
|
||
|
|
|
||
|
|
/* Structure definition for rd_private_msg and rd_safe_msg */
|
||
|
|
|
||
|
|
struct msg_dat {
|
||
|
|
unsigned char *app_data; /* pointer to appl data */
|
||
|
|
unsigned long app_length; /* length of appl data */
|
||
|
|
unsigned long hash; /* hash to lookup replay */
|
||
|
|
int swap; /* swap bytes? */
|
||
|
|
long time_sec; /* msg timestamp seconds */
|
||
|
|
unsigned char time_5ms; /* msg timestamp 5ms units */
|
||
|
|
};
|
||
|
|
|
||
|
|
typedef struct msg_dat MSG_DAT;
|
||
|
|
|
||
|
|
|
||
|
|
/* Location of ticket file for save_cred and get_cred */
|
||
|
|
#ifdef PC
|
||
|
|
#define TKT_FILE "\\kerberos\\ticket.ses"
|
||
|
|
#else
|
||
|
|
#define TKT_FILE tkt_string()
|
||
|
|
#define TKT_ROOT "/tmp/tkt"
|
||
|
|
#endif PC
|
||
|
|
|
||
|
|
/* Error codes returned from the KDC */
|
||
|
|
#define KDC_OK 0 /* Request OK */
|
||
|
|
#define KDC_NAME_EXP 1 /* Principal expired */
|
||
|
|
#define KDC_SERVICE_EXP 2 /* Service expired */
|
||
|
|
#define KDC_AUTH_EXP 3 /* Auth expired */
|
||
|
|
#define KDC_PKT_VER 4 /* Protocol version unknown */
|
||
|
|
#define KDC_P_MKEY_VER 5 /* Wrong master key version */
|
||
|
|
#define KDC_S_MKEY_VER 6 /* Wrong master key version */
|
||
|
|
#define KDC_BYTE_ORDER 7 /* Byte order unknown */
|
||
|
|
#define KDC_PR_UNKNOWN 8 /* Principal unknown */
|
||
|
|
#define KDC_PR_N_UNIQUE 9 /* Principal not unique */
|
||
|
|
#define KDC_NULL_KEY 10 /* Principal has null key */
|
||
|
|
#define KDC_GEN_ERR 20 /* Generic error from KDC */
|
||
|
|
|
||
|
|
|
||
|
|
/* Values returned by get_credentials */
|
||
|
|
#define GC_OK 0 /* Retrieve OK */
|
||
|
|
#define RET_OK 0 /* Retrieve OK */
|
||
|
|
#define GC_TKFIL 21 /* Can't read ticket file */
|
||
|
|
#define RET_TKFIL 21 /* Can't read ticket file */
|
||
|
|
#define GC_NOTKT 22 /* Can't find ticket or TGT */
|
||
|
|
#define RET_NOTKT 22 /* Can't find ticket or TGT */
|
||
|
|
|
||
|
|
|
||
|
|
/* Values returned by mk_ap_req */
|
||
|
|
#define MK_AP_OK 0 /* Success */
|
||
|
|
#define MK_AP_TGTEXP 26 /* TGT Expired */
|
||
|
|
|
||
|
|
/* Values returned by rd_ap_req */
|
||
|
|
#define RD_AP_OK 0 /* Request authentic */
|
||
|
|
#define RD_AP_UNDEC 31 /* Can't decode authenticator */
|
||
|
|
#define RD_AP_EXP 32 /* Ticket expired */
|
||
|
|
#define RD_AP_NYV 33 /* Ticket not yet valid */
|
||
|
|
#define RD_AP_REPEAT 34 /* Repeated request */
|
||
|
|
#define RD_AP_NOT_US 35 /* The ticket isn't for us */
|
||
|
|
#define RD_AP_INCON 36 /* Request is inconsistent */
|
||
|
|
#define RD_AP_TIME 37 /* delta_t too big */
|
||
|
|
#define RD_AP_BADD 38 /* Incorrect net address */
|
||
|
|
#define RD_AP_VERSION 39 /* protocol version mismatch */
|
||
|
|
#define RD_AP_MSG_TYPE 40 /* invalid msg type */
|
||
|
|
#define RD_AP_MODIFIED 41 /* message stream modified */
|
||
|
|
#define RD_AP_ORDER 42 /* message out of order */
|
||
|
|
#define RD_AP_UNAUTHOR 43 /* unauthorized request */
|
||
|
|
|
||
|
|
/* Values returned by get_pw_tkt */
|
||
|
|
#define GT_PW_OK 0 /* Got password changing tkt */
|
||
|
|
#define GT_PW_NULL 51 /* Current PW is null */
|
||
|
|
#define GT_PW_BADPW 52 /* Incorrect current password */
|
||
|
|
#define GT_PW_PROT 53 /* Protocol Error */
|
||
|
|
#define GT_PW_KDCERR 54 /* Error returned by KDC */
|
||
|
|
#define GT_PW_NULLTKT 55 /* Null tkt returned by KDC */
|
||
|
|
|
||
|
|
|
||
|
|
/* Values returned by send_to_kdc */
|
||
|
|
#define SKDC_OK 0 /* Response received */
|
||
|
|
#define SKDC_RETRY 56 /* Retry count exceeded */
|
||
|
|
#define SKDC_CANT 57 /* Can't send request */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Values returned by get_intkt
|
||
|
|
* (can also return SKDC_* and KDC errors)
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define INTK_OK 0 /* Ticket obtained */
|
||
|
|
#define INTK_W_NOTALL 61 /* Not ALL tickets returned */
|
||
|
|
#define INTK_BADPW 62 /* Incorrect password */
|
||
|
|
#define INTK_PROT 63 /* Protocol Error */
|
||
|
|
#define INTK_ERR 70 /* Other error */
|
||
|
|
|
||
|
|
/* Values returned by get_adtkt */
|
||
|
|
#define AD_OK 0 /* Ticket Obtained */
|
||
|
|
#define AD_NOTGT 71 /* Don't have tgt */
|
||
|
|
|
||
|
|
/* Error codes returned by ticket file utilities */
|
||
|
|
#define NO_TKT_FIL 76 /* No ticket file found */
|
||
|
|
#define TKT_FIL_ACC 77 /* Couldn't access tkt file */
|
||
|
|
#define TKT_FIL_LCK 78 /* Couldn't lock ticket file */
|
||
|
|
#define TKT_FIL_FMT 79 /* Bad ticket file format */
|
||
|
|
#define TKT_FIL_INI 80 /* tf_init not called first */
|
||
|
|
|
||
|
|
/* Error code returned by kparse_name */
|
||
|
|
#define KNAME_FMT 81 /* Bad Kerberos name format */
|
||
|
|
|
||
|
|
/* Error code returned by krb_mk_safe */
|
||
|
|
#define SAFE_PRIV_ERROR -1 /* syscall error */
|
||
|
|
|
||
|
|
/*
|
||
|
|
* macros for byte swapping; also scratch space
|
||
|
|
* u_quad 0-->7, 1-->6, 2-->5, 3-->4, 4-->3, 5-->2, 6-->1, 7-->0
|
||
|
|
* u_long 0-->3, 1-->2, 2-->1, 3-->0
|
||
|
|
* u_short 0-->1, 1-->0
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define swap_u_16(x) {\
|
||
|
|
unsigned long _krb_swap_tmp[4];\
|
||
|
|
swab(((char *) x) +0, ((char *) _krb_swap_tmp) +14 ,2); \
|
||
|
|
swab(((char *) x) +2, ((char *) _krb_swap_tmp) +12 ,2); \
|
||
|
|
swab(((char *) x) +4, ((char *) _krb_swap_tmp) +10 ,2); \
|
||
|
|
swab(((char *) x) +6, ((char *) _krb_swap_tmp) +8 ,2); \
|
||
|
|
swab(((char *) x) +8, ((char *) _krb_swap_tmp) +6 ,2); \
|
||
|
|
swab(((char *) x) +10,((char *) _krb_swap_tmp) +4 ,2); \
|
||
|
|
swab(((char *) x) +12,((char *) _krb_swap_tmp) +2 ,2); \
|
||
|
|
swab(((char *) x) +14,((char *) _krb_swap_tmp) +0 ,2); \
|
||
|
|
bcopy((char *)_krb_swap_tmp,(char *)x,16);\
|
||
|
|
}
|
||
|
|
|
||
|
|
#define swap_u_12(x) {\
|
||
|
|
unsigned long _krb_swap_tmp[4];\
|
||
|
|
swab(( char *) x, ((char *) _krb_swap_tmp) +10 ,2); \
|
||
|
|
swab(((char *) x) +2, ((char *) _krb_swap_tmp) +8 ,2); \
|
||
|
|
swab(((char *) x) +4, ((char *) _krb_swap_tmp) +6 ,2); \
|
||
|
|
swab(((char *) x) +6, ((char *) _krb_swap_tmp) +4 ,2); \
|
||
|
|
swab(((char *) x) +8, ((char *) _krb_swap_tmp) +2 ,2); \
|
||
|
|
swab(((char *) x) +10,((char *) _krb_swap_tmp) +0 ,2); \
|
||
|
|
bcopy((char *)_krb_swap_tmp,(char *)x,12);\
|
||
|
|
}
|
||
|
|
|
||
|
|
#define swap_C_Block(x) {\
|
||
|
|
unsigned long _krb_swap_tmp[4];\
|
||
|
|
swab(( char *) x, ((char *) _krb_swap_tmp) +6 ,2); \
|
||
|
|
swab(((char *) x) +2,((char *) _krb_swap_tmp) +4 ,2); \
|
||
|
|
swab(((char *) x) +4,((char *) _krb_swap_tmp) +2 ,2); \
|
||
|
|
swab(((char *) x) +6,((char *) _krb_swap_tmp) ,2); \
|
||
|
|
bcopy((char *)_krb_swap_tmp,(char *)x,8);\
|
||
|
|
}
|
||
|
|
#define swap_u_quad(x) {\
|
||
|
|
unsigned long _krb_swap_tmp[4];\
|
||
|
|
swab(( char *) &x, ((char *) _krb_swap_tmp) +6 ,2); \
|
||
|
|
swab(((char *) &x) +2,((char *) _krb_swap_tmp) +4 ,2); \
|
||
|
|
swab(((char *) &x) +4,((char *) _krb_swap_tmp) +2 ,2); \
|
||
|
|
swab(((char *) &x) +6,((char *) _krb_swap_tmp) ,2); \
|
||
|
|
bcopy((char *)_krb_swap_tmp,(char *)&x,8);\
|
||
|
|
}
|
||
|
|
|
||
|
|
#define swap_u_long(x) {\
|
||
|
|
unsigned long _krb_swap_tmp[4];\
|
||
|
|
swab((char *) &x, ((char *) _krb_swap_tmp) +2 ,2); \
|
||
|
|
swab(((char *) &x) +2,((char *) _krb_swap_tmp),2); \
|
||
|
|
x = _krb_swap_tmp[0]; \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define swap_u_short(x) {\
|
||
|
|
unsigned short _krb_swap_sh_tmp; \
|
||
|
|
swab((char *) &x, ( &_krb_swap_sh_tmp) ,2); \
|
||
|
|
x = (unsigned short) _krb_swap_sh_tmp; \
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Kerberos ticket flag field bit definitions */
|
||
|
|
#define K_FLAG_ORDER 0 /* bit 0 --> lsb */
|
||
|
|
#define K_FLAG_1 /* reserved */
|
||
|
|
#define K_FLAG_2 /* reserved */
|
||
|
|
#define K_FLAG_3 /* reserved */
|
||
|
|
#define K_FLAG_4 /* reserved */
|
||
|
|
#define K_FLAG_5 /* reserved */
|
||
|
|
#define K_FLAG_6 /* reserved */
|
||
|
|
#define K_FLAG_7 /* reserved, bit 7 --> msb */
|
||
|
|
|
||
|
|
#ifndef PC
|
||
|
|
char *tkt_string();
|
||
|
|
#endif PC
|
||
|
|
|
||
|
|
#ifdef OLDNAMES
|
||
|
|
#define krb_mk_req mk_ap_req
|
||
|
|
#define krb_rd_req rd_ap_req
|
||
|
|
#define krb_kntoln an_to_ln
|
||
|
|
#define krb_set_key set_serv_key
|
||
|
|
#define krb_get_cred get_credentials
|
||
|
|
#define krb_mk_priv mk_private_msg
|
||
|
|
#define krb_rd_priv rd_private_msg
|
||
|
|
#define krb_mk_safe mk_safe_msg
|
||
|
|
#define krb_rd_safe rd_safe_msg
|
||
|
|
#define krb_mk_err mk_appl_err_msg
|
||
|
|
#define krb_rd_err rd_appl_err_msg
|
||
|
|
#define krb_ck_repl check_replay
|
||
|
|
#define krb_get_pw_in_tkt get_in_tkt
|
||
|
|
#define krb_get_svc_in_tkt get_svc_in_tkt
|
||
|
|
#define krb_get_pw_tkt get_pw_tkt
|
||
|
|
#define krb_realmofhost krb_getrealm
|
||
|
|
#define krb_get_phost get_phost
|
||
|
|
#define krb_get_krbhst get_krbhst
|
||
|
|
#define krb_get_lrealm get_krbrlm
|
||
|
|
#endif OLDNAMES
|
||
|
|
|
||
|
|
/* Defines for krb_sendauth and krb_recvauth */
|
||
|
|
|
||
|
|
#define KOPT_DONT_MK_REQ 0x00000001 /* don't call krb_mk_req */
|
||
|
|
#define KOPT_DO_MUTUAL 0x00000002 /* do mutual auth */
|
||
|
|
|
||
|
|
#define KOPT_DONT_CANON 0x00000004 /*
|
||
|
|
* don't canonicalize inst as
|
||
|
|
* a hostname
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define KRB_SENDAUTH_VLEN 8 /* length for version strings */
|
||
|
|
|
||
|
|
#ifdef ATHENA_COMPAT
|
||
|
|
#define KOPT_DO_OLDSTYLE 0x00000008 /* use the old-style protocol */
|
||
|
|
#endif ATHENA_COMPAT
|
||
|
|
|
||
|
|
#endif KRB_DEFS
|