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/*
* Declarations for Credentials Cache API Library
*
* API specification: <http://web.mit.edu/pismere/kerberos/ccache-api-v2-draft.html>
*
* Revision 1: Frank Dabek, 6/4/1998
* Revision 2: meeroh, 2/24/1999
*
* $Header$
*/
#ifndef __CCache_h__
#define __CCache_h__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <ConditionalMacros.h>
#if PRAGMA_IMPORT
# pragma import on
#endif
/* This stuff is to make sure that we always use the same compiler options for
this header file. Otherwise we get really exciting failure modes -- meeroh */
#if PRAGMA_STRUCT_ALIGN
#pragma options align=mac68k
#elif PRAGMA_STRUCT_PACKPUSH
#pragma pack(push, 2)
#elif PRAGMA_STRUCT_PACK
#pragma pack(2)
#endif
#if PRAGMA_ENUM_ALWAYSINT
#pragma enumsalwaysint on
#endif
#if TARGET_CPU_68K
#pragma fourbyteints on
#endif
#include <Processes.h>
/*
* Constants
*/
/* Error codes */
enum {
CC_NOERROR = 0,
CC_BADNAME = 1,
CC_NOTFOUND = 2,
CC_END = 3,
CC_IO = 4,
CC_WRITE = 5,
CC_NOMEM = 6,
CC_FORMAT = 7,
CC_LOCKED = 8,
CC_BAD_API_VERSION = 9,
CC_NO_EXIST = 10,
CC_NOT_SUPP = 11,
CC_BAD_PARM = 12,
CC_ERR_CACHE_ATTACH = 13,
CC_ERR_CACHE_RELEASE = 14,
CC_ERR_CACHE_FULL = 15,
CC_ERR_CRED_VERSION = 16
};
/* Kerberos v4 key types */
enum StringToKey_Type {
STK_AFS = 0,
STK_DES = 1
};
/* Credential version types */
enum {
CC_CRED_VUNKNOWN = 0,
CC_CRED_V4 = 1,
CC_CRED_V5 = 2,
CC_CRED_VMAX = 3
};
/* API versions */
enum {
CC_API_VER_1 = 1,
CC_API_VER_2 = 2
};
/*
* Types
*/
/* Basic integer types */
typedef SInt32 cc_int32;
typedef UInt32 cc_uint32;
/* Other simple types */
typedef cc_int32 cc_time_t;
typedef cc_int32 cc_nc_flags;
typedef cc_int32 cc_result;
typedef cc_int32 cc_api_version;
typedef cc_int32 cc_cred_vers;
typedef cc_uint32 cc_flags;
/* Credential structures */
/* V4 credentials */
enum {
MAX_V4_CRED_LEN = 1250,
KRB_PRINCIPAL_SZ = 40,
KRB_INSTANCE_SZ = 40,
KRB_REALM_SZ = 40,
KRB_SERVICE_SZ = 40,
ADDR_SZ = 16
};
typedef struct _V4credential {
unsigned char kversion; /* Always 4 */
char principal[KRB_PRINCIPAL_SZ]; /* Principal name */
char principal_instance[KRB_INSTANCE_SZ]; /* Principal instance */
char service[KRB_SERVICE_SZ]; /* Service name */
char service_instance[KRB_INSTANCE_SZ]; /* Service instance */
char realm[KRB_REALM_SZ]; /* Realm */
unsigned char session_key[8]; /* Session key */
cc_int32 kvno; /* Key version number */
cc_int32 str_to_key; /* Key password hash type */
long issue_date; /* Ticket issue date */
cc_int32 lifetime; /* Ticket lifetime */
cc_uint32 address; /* IP address of local host */
cc_int32 ticket_sz; /* Ticket size */
unsigned char ticket[MAX_V4_CRED_LEN]; /* Ticket date */
unsigned long oops; /* unused. ignore */
} V4Cred_type;
/* V5 credentials */
typedef struct _cc_data {
cc_uint32 type;
cc_uint32 length;
unsigned char* data;
} cc_data;
typedef struct _cc_creds {
char* client;
char* server;
cc_data keyblock;
cc_time_t authtime;
cc_time_t starttime;
cc_time_t endtime;
cc_time_t renew_till;
cc_uint32 is_skey;
cc_uint32 ticket_flags;
cc_data **addresses;
cc_data ticket;
cc_data second_ticket;
cc_data **authdata;
} cc_creds;
/* union of v4 and v5 pointers */
typedef union cred_ptr_union_type {
V4Cred_type* pV4Cred;
cc_creds* pV5Cred;
} cred_ptr_union;
/* common credentials structure */
typedef struct cred_union_type {
cc_cred_vers cred_type;
cred_ptr_union cred;
} cred_union;
/* Cache info structures */
typedef struct _infoNC {
char* name;
char* principal;
cc_cred_vers vers;
} infoNC;
/* Opaque API references */
struct ccache_p;
typedef struct ccache_p ccache_p;
struct apiCB;
typedef struct apiCB apiCB;
struct ccache_cit;
typedef struct ccache_cit ccache_cit;
/*
* Functions
*/
/* Initialization / termination */
cc_result
cc_initialize (
apiCB** cc_ctx,
cc_api_version api_version,
cc_api_version* api_supported,
char** vendor);
cc_result
cc_shutdown (
apiCB** cc_ctx);
/* ccache access */
cc_result
cc_open (
apiCB* cc_ctx,
char* name,
cc_cred_vers vers,
cc_flags flags,
ccache_p** handle);
cc_result
cc_close (
apiCB* cc_ctx,
ccache_p** handle);
cc_result
cc_create (
apiCB* cc_ctx,
char* name,
char* principal,
cc_cred_vers vers,
cc_flags flags,
ccache_p** handle);
cc_result
cc_destroy (
apiCB* cc_ctx,
ccache_p** handle);
cc_result
cc_set_principal (
apiCB* cc_ctx,
const ccache_p* ccache_pointer,
cc_cred_vers vers,
const char* principal);
cc_result
cc_get_principal (
apiCB* cc_ctx,
const ccache_p* ccache_pointer,
char** principal);
cc_result
cc_get_cred_version (
apiCB* cc_ctx,
const ccache_p* ccache_pointer,
cc_cred_vers* vers);
cc_result
cc_get_name (
apiCB* cc_ctx,
const ccache_p* ccache_pointer,
char** name);
/* credentials access */
cc_result
cc_store (
apiCB* cc_ctx,
const ccache_p* ccache_pointer,
cred_union cred);
cc_result
cc_remove_cred (
apiCB* cc_ctx,
const ccache_p* ccache_pointer,
cred_union cred);
/* Iterators */
cc_result
cc_seq_fetch_NCs_begin (
apiCB* cc_ctx,
ccache_cit** itCache);
cc_result
cc_seq_fetch_NCs_next (
apiCB* cc_ctx,
ccache_p** ccache_pointer,
ccache_cit* itCache);
cc_result
cc_seq_fetch_NCs_end (
apiCB* cc_ctx,
ccache_cit** itCache);
cc_result
cc_seq_fetch_creds_begin (
apiCB* cc_ctx,
ccache_p* ccache_pointer,
ccache_cit** itCreds);
cc_result
cc_seq_fetch_creds_next (
apiCB* cc_ctx,
cred_union** creds,
ccache_cit* itCreds);
cc_result
cc_seq_fetch_creds_end (
apiCB* cc_ctx,
ccache_cit** itCreds);
/* global ccache info */
cc_result
cc_get_change_time (
apiCB* cc_ctx,
cc_time_t* time);
cc_result
cc_get_NC_info (
apiCB* cc_ctx,
infoNC*** ppNCi);
/* memory recovery */
cc_result
cc_free_principal (
apiCB* cc_ctx,
char** principal);
cc_result
cc_free_name (
apiCB* cc_ctx,
char** name);
cc_result
cc_free_creds (
apiCB* cc_ctx,
cred_union** creds);
cc_result
cc_free_NC_info (
apiCB* cc_ctx,
infoNC*** ppNCi);
/* Locking -- not implemented */
enum {
CC_LOCK_UNLOCK = 1,
CC_LOCK_READER = 2,
CC_LOCK_WRITER = 3,
CC_LOCK_NOBLOCK = 16
};
cc_result
cc_lock_request (
apiCB* cc_ctx,
ccache_p* ccache_pointer,
cc_uint32 lock_type);
#if PRAGMA_STRUCT_ALIGN
#pragma options align=reset
#elif PRAGMA_STRUCT_PACKPUSH
#pragma pack(pop)
#elif PRAGMA_STRUCT_PACK
#pragma pack()
#endif
#if PRAGMA_ENUM_ALWAYSINT
#pragma enumsalwaysint reset
#endif
#if TARGET_CPU_68K
#pragma fourbyteints reset
#endif
#if PRAGMA_IMPORT
# pragma import reset
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __CCache_h__ */
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