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