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freebsd-dev/crypto/kerberosIV/lib/krb/krb.h

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/*
* $Id$
*
* Copyright 1987, 1988 by the Massachusetts Institute of Technology.
*
* For copying and distribution information, please see the file
* <mit-copyright.h>.
*
* Include file for the Kerberos library.
*/
/* Only one time, please */
#ifndef KRB_DEFS
#define KRB_DEFS
#include <sys/types.h>
#include <sys/cdefs.h>
#include <stdarg.h>
#include <time.h>
__BEGIN_DECLS
#ifndef __P
#define __P(x) x
#endif
/* Need some defs from des.h */
#if !defined(NOPROTO) && !defined(__STDC__)
#define NOPROTO
#endif
#include <des.h>
/* Don't use these guys, they are only for compatibility with CNS. */
#ifndef KRB_INT32
#define KRB_INT32 int32_t
#endif
#ifndef KRB_UINT32
#define KRB_UINT32 u_int32_t
#endif
/* Global library variables. */
extern int krb_ignore_ip_address; /* To turn off IP address comparison */
extern int krb_no_long_lifetimes; /* To disable AFS compatible lifetimes */
extern int krbONE;
#define HOST_BYTE_ORDER (* (char *) &krbONE)
/* Text describing error codes */
#define MAX_KRB_ERRORS 256
extern const char *krb_err_txt[MAX_KRB_ERRORS];
/* Use this function rather than indexing in krb_err_txt */
const char *krb_get_err_text __P((int code));
/* General definitions */
#define KSUCCESS 0
#define KFAILURE 255
/*
* 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.
*/
/* /etc/kerberosIV is only for backwards compatibility, don't use it! */
/* FreeBSD wants to maintain backwards compatibility */
#ifndef KRB_CONF
#define KRB_CONF "/etc/kerberosIV/krb.conf"
#endif
#ifndef KRB_RLM_TRANS
#define KRB_RLM_TRANS "/etc/kerberosIV/krb.realms"
#endif
#ifndef KRB_CNF_FILES
#define KRB_CNF_FILES { KRB_CONF, "/etc/krb.conf", 0}
#endif
#ifndef KRB_RLM_FILES
#define KRB_RLM_FILES { KRB_RLM_TRANS, "/etc/krb.realms", 0}
#endif
#ifndef KRB_EQUIV
#define KRB_EQUIV "/etc/kerberosIV/krb.equiv"
#endif
#define KRB_MASTER "kerberos"
#ifndef KRB_REALM
#define KRB_REALM (krb_get_default_realm())
#endif
/* 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
/* Leave space for quoting */
#define MAX_K_NAME_SZ (2*ANAME_SZ + 2*INST_SZ + 2*REALM_SZ - 3)
#define KKEY_SZ 100
#define VERSION_SZ 1
#define MSG_TYPE_SZ 1
#define DATE_SZ 26 /* RTI date output */
#define MAX_HSTNM 100 /* for compatibility */
typedef struct krb_principal{
char name[ANAME_SZ];
char instance[INST_SZ];
char realm[REALM_SZ];
}krb_principal;
#ifndef DEFAULT_TKT_LIFE /* allow compile-time override */
/* default lifetime for krb_mk_req & co., 10 hrs */
#define DEFAULT_TKT_LIFE 120
#endif
#define KRB_TICKET_GRANTING_TICKET "krbtgt"
/* Definition of text structure used to pass text around */
#define MAX_KTXT_LEN 1250
struct ktext {
unsigned int length; /* Length of the text */
unsigned char dat[MAX_KTXT_LEN]; /* The data itself */
u_int32_t 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
/* Parameters for rd_ap_req */
/* Maximum alloable clock skew in seconds */
#define CLOCK_SKEW 5*60
/* Filename for readservkey */
#ifndef KEYFILE
#define KEYFILE "/etc/kerberosIV/srvtab"
#endif
/* 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 */
u_int32_t checksum; /* Data checksum (opt) */
des_cblock session; /* Session Key */
int life; /* Life of ticket */
u_int32_t time_sec; /* Time ticket issued */
u_int32_t 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 */
des_cblock session; /* Session key */
int lifetime; /* Lifetime */
int kvno; /* Key version number */
KTEXT_ST ticket_st; /* The ticket itself */
int32_t 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 */
u_int32_t app_length; /* length of appl data */
u_int32_t hash; /* hash to lookup replay */
int swap; /* swap bytes? */
int32_t time_sec; /* msg timestamp seconds */
unsigned char time_5ms; /* msg timestamp 5ms units */
};
typedef struct msg_dat MSG_DAT;
struct krb_host {
char *realm;
char *host;
int proto;
int port;
int admin;
};
struct krb_host *krb_get_host __P((int, char*, int));
/* Location of ticket file for save_cred and get_cred */
#define TKT_FILE tkt_string()
#define TKT_ROOT "/tmp/tkt"
/* 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 */
#define AD_INTR_RLM_NOTGT 72 /* Can't get inter-realm 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_int32_t 0-->3, 1-->2, 2-->1, 3-->0
* u_int16_t 0-->1, 1-->0
*/
#define swap_u_16(x) {\
u_int32_t _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); \
memcpy(x, _krb_swap_tmp, 16);\
}
#define swap_u_12(x) {\
u_int32_t _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); \
memcpy(x, _krb_swap_tmp, 12);\
}
#define swap_C_Block(x) {\
u_int32_t _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); \
memcpy(x, _krb_swap_tmp, 8);\
}
#define swap_u_quad(x) {\
u_int32_t _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); \
memcpy(x, _krb_swap_tmp, 8);\
}
#define swap_u_long(x) {\
u_int32_t _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) {\
u_int16_t _krb_swap_sh_tmp; \
swab((char *) &x, ( &_krb_swap_sh_tmp) ,2); \
x = (u_int16_t) _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 */
/* 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 */
/* File locking */
#define K_LOCK_SH 1 /* Shared lock */
#define K_LOCK_EX 2 /* Exclusive lock */
#define K_LOCK_NB 4 /* Don't block when locking */
#define K_LOCK_UN 8 /* Unlock */
int k_flock __P((int fd, int operation));
struct tm *k_localtime __P((u_int32_t *));
int k_getsockinst __P((int fd, char *inst, size_t));
int k_getportbyname __P((const char *service, const char *proto, int default_port));
extern char *krb4_version;
struct in_addr;
int k_get_all_addrs __P((struct in_addr **l));
/* Host address comparison */
int krb_equiv __P((u_int32_t, u_int32_t));
/* Password conversion */
void mit_string_to_key __P((char *str, char *cell, des_cblock *key));
void afs_string_to_key __P((char *str, char *cell, des_cblock *key));
/* Lifetime conversion */
u_int32_t krb_life_to_time __P((u_int32_t start, int life));
int krb_time_to_life __P((u_int32_t start, u_int32_t end));
char *krb_life_to_atime __P((int life));
int krb_atime_to_life __P((char *atime));
/* Ticket manipulation */
int tf_get_cred __P((CREDENTIALS *));
int tf_get_pinst __P((char *));
int tf_get_pname __P((char *));
int tf_put_pinst __P((char *));
int tf_put_pname __P((char *));
int tf_init __P((char *, int));
int tf_create __P((char *));
int tf_save_cred __P((char *, char *, char *, unsigned char *, int , int , KTEXT ticket, u_int32_t));
void tf_close __P((void));
int tf_setup __P((CREDENTIALS *cred, char *pname, char *pinst));
/* Private communication */
struct sockaddr_in;
int32_t krb_mk_priv __P((void *, void *, u_int32_t, struct des_ks_struct *, des_cblock *, struct sockaddr_in *, struct sockaddr_in *));
int32_t krb_rd_priv __P((void *, u_int32_t, struct des_ks_struct *, des_cblock *, struct sockaddr_in *, struct sockaddr_in *, MSG_DAT *));
/* Misc */
KTEXT create_auth_reply __P((char *, char *, char *, int32_t, int, u_int32_t, int, KTEXT));
char *krb_get_phost __P((const char *));
char *krb_realmofhost __P((const char *));
char *tkt_string __P((void));
int create_ciph __P((KTEXT, unsigned char *, char *, char *, char *, u_int32_t, int, KTEXT, u_int32_t, des_cblock *));
int decomp_ticket __P((KTEXT, unsigned char *, char *, char *, char *, u_int32_t *, unsigned char *, int *, u_int32_t *, char *, char *, des_cblock *, struct des_ks_struct *));
int dest_tkt __P((void));
int get_ad_tkt __P((char *, char *, char *, int));
int get_pw_tkt __P((char *, char *, char *, char *));
int get_request __P((KTEXT, int, char **, char **));
int in_tkt __P((char *, char *));
int k_gethostname __P((char *, int ));
int k_isinst __P((char *));
int k_isname __P((char *));
int k_isrealm __P((char *));
int kname_parse __P((char *, char *, char *, char *));
int krb_parse_name __P((const char*, krb_principal*));
char *krb_unparse_name __P((krb_principal*));
char *krb_unparse_name_r __P((krb_principal*, char*));
char *krb_unparse_name_long __P((char*, char*, char*));
char *krb_unparse_name_long_r __P((char *name, char *instance, char *realm, char *fullname));
int krb_create_ticket __P((KTEXT, unsigned char, char *, char *, char *, int32_t, void *, int16_t, int32_t, char *, char *, des_cblock *));
int krb_get_admhst __P((char *, char *, int));
int krb_get_cred __P((char *, char *, char *, CREDENTIALS *));
typedef int (*key_proc_t) __P((char*, char*, char*, void*, des_cblock*));
typedef int (*decrypt_proc_t) __P((char*, char*, char*, void*,
key_proc_t, KTEXT*));
int krb_get_in_tkt __P((char*, char*, char*, char*, char*, int, key_proc_t,
decrypt_proc_t, void*));
int srvtab_to_key __P((char *, char *, char *, void *, des_cblock *));
int passwd_to_key __P((char *, char *, char *, void *, des_cblock *));
int passwd_to_afskey __P((char *, char *, char *, void *, des_cblock *));
int krb_get_krbhst __P((char *, char *, int));
int krb_get_lrealm __P((char *, int));
char *krb_get_default_realm __P((void));
int krb_get_pw_in_tkt __P((char *, char *, char *, char *, char *, int, char *));
int krb_get_svc_in_tkt __P((char *, char *, char *, char *, char *, int, char *));
int krb_get_tf_fullname __P((char *, char *, char *, char *));
int krb_get_tf_realm __P((char *, char *));
int krb_kntoln __P((AUTH_DAT *, char *));
int krb_mk_req __P((KTEXT , char *, char *, char *, int32_t));
int krb_net_read __P((int , void *, size_t));
int krb_net_write __P((int , const void *, size_t));
int krb_rd_err __P((u_char *, u_int32_t, int32_t *, MSG_DAT *));
int krb_rd_req __P((KTEXT , char *, char *, int32_t, AUTH_DAT *, char *));
int krb_recvauth __P((int32_t, int, KTEXT, char *, char *, struct sockaddr_in *, struct sockaddr_in *, AUTH_DAT *, char *, struct des_ks_struct *, char *));
int krb_sendauth __P((int32_t, int, KTEXT, char *,char *, char *, u_int32_t, MSG_DAT *, CREDENTIALS *, struct des_ks_struct *, struct sockaddr_in *, struct sockaddr_in *, char *));
int krb_mk_auth __P((int32_t, KTEXT, char *, char *, char *, u_int32_t, char *, KTEXT));
int krb_check_auth __P((KTEXT, u_int32_t, MSG_DAT *, des_cblock *, struct des_ks_struct *, struct sockaddr_in *, struct sockaddr_in *));
int krb_set_key __P((void *, int));
int krb_set_lifetime __P((int));
int krb_kuserok __P((char *name, char *inst, char *realm, char *luser));
int kuserok __P((AUTH_DAT *, char *));
int read_service_key __P((char *, char *, char *, int , char *, char *));
int save_credentials __P((char *, char *, char *, unsigned char *, int , int , KTEXT , int32_t));
int send_to_kdc __P((KTEXT , KTEXT , char *));
int32_t krb_mk_err __P((u_char *, int32_t, char *));
int32_t krb_mk_safe __P((void *, void *, u_int32_t, des_cblock *, struct sockaddr_in *, struct sockaddr_in *));
int32_t krb_rd_safe __P((void *, u_int32_t, des_cblock *, struct sockaddr_in *, struct sockaddr_in *, MSG_DAT *));
void ad_print __P((AUTH_DAT *));
void cr_err_reply __P((KTEXT, char *, char *, char *, u_int32_t, u_int32_t, char *));
void extract_ticket __P((KTEXT, int, char *, int *, int *, char *, KTEXT));
void krb_set_tkt_string __P((char *));
int krb_get_default_principal __P((char *, char *, char *));
int krb_realm_parse __P((char *, int));
int krb_verify_user __P((char*, char*, char*, char*, int, char *));
/* logging.c */
typedef int (*krb_log_func_t)(FILE *, const char *, va_list);
typedef krb_log_func_t krb_warnfn_t;
struct krb_log_facility;
int krb_vlogger __P((struct krb_log_facility*, const char *, va_list))
#ifdef __GNUC__
__attribute__ ((format (printf, 2, 0)))
#endif
;
int krb_logger __P((struct krb_log_facility*, const char *, ...))
#ifdef __GNUC__
__attribute__ ((format (printf, 2, 3)))
#endif
;
int krb_openlog __P((struct krb_log_facility*, char*, FILE*, krb_log_func_t));
void krb_set_warnfn __P((krb_warnfn_t));
krb_warnfn_t krb_get_warnfn __P((void));
void krb_warning __P((const char*, ...))
#ifdef __GNUC__
__attribute__ ((format (printf, 1, 2)))
#endif
;
void kset_logfile __P((char*));
void krb_log __P((const char*, ...))
#ifdef __GNUC__
__attribute__ ((format (printf, 1, 2)))
#endif
;
char *klog __P((int, const char*, ...))
#ifdef __GNUC__
__attribute__ ((format (printf, 2, 3)))
#endif
;
int getst __P((int, char *, int));
const char *month_sname __P((int));
const char *krb_stime __P((time_t *));
int krb_check_tm __P((struct tm));
int krb_get_int __P((void *from, u_int32_t *to, int size, int lsb));
int krb_put_int __P((u_int32_t from, void *to, int size));
int krb_get_address __P((void *from, u_int32_t *to));
int krb_put_address __P((u_int32_t addr, void *to));
int krb_put_string __P((char *from, void *to));
int krb_get_string __P((void *from, char *to));
int krb_get_nir __P((void *from, char *name, char *instance, char *realm));
int krb_put_nir __P((char *name, char *instance, char *realm, void *to));
__END_DECLS
#endif /* KRB_DEFS */
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