Leaked source code of windows server 2003
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/*++
KEYTAB.H
Unix Keytab routines and data structures
Copyright(C) 1997 Microsoft Corporation
Created, 01-10-1997 DavidCHR
--*/
typedef unsigned char krb5_octet, K5_OCTET, *PK5_OCTET;
typedef unsigned short krb5_int16, K5_INT16, *PK5_INT16;
typedef unsigned long krb5_timestamp, K5_TIMESTAMP, *PK5_TIMESTAMP;
typedef unsigned long krb5_int32, K5_INT32, *PK5_INT32;
typedef struct _raw_ktcomp {
K5_INT16 szComponentData; /* string length (including NULL) of component */
PCHAR Component; /* key component name, like "host" */
} KTCOMPONENT, *PKTCOMPONENT;
/* this is the structure of a single kerberos service key entry */
typedef struct _raw_ktent {
K5_INT32 keySize; /* I am guessing that this is the keysize */
K5_INT16 cEntries; /* number of KTCOMPONENTs */
K5_INT16 szRealm; /* string length of Realm (including null) */
PCHAR Realm; /* Kerberos realm in question */
PKTCOMPONENT Components; /* kerberos key components. For example:
host/davidchr_unix1.microsoft.com -->
host and davidchr_unix1.microsoft.com are
separate key components. */
K5_INT32 PrincType; /* Principal type-- not sure what this is */
K5_TIMESTAMP TimeStamp; /* Timestamp (seconds since the epoch) */
K5_OCTET Version; /* key version number */
K5_INT16 KeyType; /* Key Type -- not sure what this is either */
#if 0 /* For some reason, the documentation I was reading
erroneously listed this as a 32-bit value. */
K5_INT32 KeyLength; /* size of key data (next field) */
#else
K5_INT16 KeyLength; /* size of key data (next field) */
K5_INT16 foo_padding; // padding for alpha compilers.
#endif
PK5_OCTET KeyData; /* raw key data-- might as well be an LPBYTE */
struct _raw_ktent *nextEntry;
} KTENT, *PKTENT;
/* this is the rough structure of the keytab file */
typedef struct _raw_keytab {
K5_INT16 Version;
#if 0
ULONG cEntries; /* this is not actually stored. It's the number of
pktents we have in memory (below) */
PKTENT KeyEntries;
#else
PKTENT FirstKeyEntry; /* This is a pointer to the first key in the
linked list. In the file, they're just there,
in no particular order though. */
PKTENT LastKeyEntry; /* This is the list tail. */
#endif
} KTFILE, *PKTFILE;
VOID
FreeKeyTab( PKTFILE pktfile_to_free );
BOOL
ReadKeytabFromFile( PKTFILE *ppktfile, // free with FreeKeyTab when done
PCHAR filename );
BOOL
WriteKeytabToFile( PKTFILE ktfile,
PCHAR filename );
/* These are the values to use for the OPTION_MASK to DisplayKeytab : */
#define KT_COMPONENTS 0x001 /* key components (key's name) */
#define KT_REALM 0x002 /* key realm-- useful */
#define KT_PRINCTYPE 0x004 /* Principal type */
#define KT_VNO 0x008 /* Key version number */
#define KT_KTVNO 0x010 /* Keytab version number */
#define KT_KEYTYPE 0x020 /* type of key (encryption type) */
#define KT_KEYLENGTH 0x040 /* length of key-- not useful */
#define KT_KEYDATA 0x080 /* key data -- not generally useful */
#define KT_TIMESTAMP 0x100 /* timestamp (unix timestamp) */
#define KT_RESERVED 0x200 /* wierd ULONG at the beginning of every key */
#define KT_ENCTYPE KT_KEYTYPE
#define KT_EVERYTHING 0x3ff
#define KT_DEFAULT (KT_COMPONENTS | KT_REALM | KT_VNO | KT_KTVNO | KT_KEYTYPE | KT_PRINCTYPE )
#ifdef __cplusplus
#define OPTIONAL_PARAMETER( param, default_value ) param=default_value
#else
#define OPTIONAL_PARAMETER( param, default_value ) param
#endif
VOID
DisplayKeytab( FILE *stream,
PKTFILE ktfile,
OPTIONAL_PARAMETER( ULONG options, KT_DEFAULT) );
PVOID
KEYTAB_ALLOC ( ULONG numBytes );
VOID
KEYTAB_FREE ( PVOID toFree );
K5_INT32
ComputeKeytabLength ( PKTENT thisKeyEntry );
/* base linklist operations */
BOOL
AddEntryToKeytab( PKTFILE Keytab,
PKTENT Entry,
OPTIONAL_PARAMETER( BOOL copy, FALSE ));
BOOL
RemoveEntryFromKeytab( PKTFILE Keytab,
PKTENT Entry,
OPTIONAL_PARAMETER( BOOL dealloc, FALSE ) );
VOID
FreeKeyEntry( PKTENT pEntry );
PKTENT
CloneKeyEntry( PKTENT pEntry );
BOOL
KtCreateKey( PKTENT *ppKeyEntry,
PCHAR principal,
PCHAR password,
PCHAR realmname,
K5_OCTET keyVersionNumber,
ULONG principalType,
ULONG keyType,
ULONG cryptosystem );