src/rxkad/rxkad_prototypes.h

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #ifndef _RXKAD_PROTOTYPES_H
  11 #define _RXKAD_PROTOTYPES_H
  12
  13 /* till the typedefs are moved elsewhere */
  14 #include "fcrypt.h"
  15 #include "rx/rx.h"
  16
  17 /* crypt_conn.c */
  18 extern afs_int32 rxkad_DecryptPacket(const struct rx_connection *conn,
  19                                      const fc_KeySchedule * schedule,
  20                                      const fc_InitializationVector * ivec,
  21                                      const int len, struct rx_packet *packet);
  22 extern afs_int32 rxkad_EncryptPacket(const struct rx_connection *conn,
  23                                      const fc_KeySchedule * schedule,
  24                                      const fc_InitializationVector * ivec,
  25                                      const int len, struct rx_packet *packet);
  26
  27
  28 /* fcrypt.c */
  29 extern int fc_keysched(struct ktc_encryptionKey *key,
  30                        fc_KeySchedule schedule);
  31 extern afs_int32 fc_ecb_encrypt(void * clear, void * cipher,
  32                                 const fc_KeySchedule schedule, int encrypt);
  33 extern afs_int32 fc_cbc_encrypt(void *input, void *output, afs_int32 length,
  34                                 const fc_KeySchedule key, afs_uint32 * iv,
  35                                 int encrypt);
  36
  37 /* rxkad_client.c */
  38 extern int rxkad_AllocCID(struct rx_securityClass *aobj,
  39                           struct rx_connection *aconn);
  40 extern struct rx_securityClass *rxkad_NewClientSecurityObject(rxkad_level
  41                                                               level, struct
  42                                                               ktc_encryptionKey
  43                                                               *sessionkey,
  44                                                               afs_int32 kvno,
  45                                                               int ticketLen,
  46                                                               char *ticket);
  47 extern int rxkad_GetResponse(struct rx_securityClass *aobj,
  48                              struct rx_connection *aconn,
  49                              struct rx_packet *apacket);
  50 extern void rxkad_ResetState(void);
  51
  52 /* rxkad_common.c */
  53 extern void rxkad_Init(void);
  54
  55 struct rxkad_endpoint;
  56 extern int rxkad_SetupEndpoint(struct rx_connection *aconnp,
  57                                struct rxkad_endpoint *aendpointp);
  58 struct rxkad_v2ChallengeResponse;
  59 extern afs_uint32 rxkad_CksumChallengeResponse(struct
  60                                                rxkad_v2ChallengeResponse
  61                                                *v2r);
  62 extern int rxkad_DeriveXORInfo(struct rx_connection *aconnp,
  63                                fc_KeySchedule * aschedule, char *aivec,
  64                                char *aresult);
  65 extern void rxkad_SetLevel(struct rx_connection *conn, rxkad_level level);
  66 extern int rxkad_Close(struct rx_securityClass *aobj);
  67 extern int rxkad_NewConnection(struct rx_securityClass *aobj,
  68                                struct rx_connection *aconn);
  69 extern int rxkad_DestroyConnection(struct rx_securityClass *aobj,
  70                                    struct rx_connection *aconn);
  71 extern int rxkad_CheckPacket(struct rx_securityClass *aobj,
  72                              struct rx_call *acall,
  73                              struct rx_packet *apacket);
  74 extern int rxkad_PreparePacket(struct rx_securityClass *aobj,
  75                                struct rx_call *acall,
  76                                struct rx_packet *apacket);
  77 extern int rxkad_GetStats(struct rx_securityClass *aobj,
  78                           struct rx_connection *aconn,
  79                           struct rx_securityObjectStats *astats);
  80 extern rxkad_level rxkad_StringToLevel(char *string);
  81 extern char *rxkad_LevelToString(rxkad_level level);
  82
  83 /* rxkad_errs.c */
  84
  85 /* rxkad_server.c */
  86 extern struct rx_securityClass *rxkad_NewServerSecurityObject(rxkad_level
  87                                                               level, void
  88                                                               *get_key_rock,
  89                                                               int (*get_key)
  90
  91
  92
  93                                                               (void
  94                                                                *get_key_rock,
  95                                                                int kvno,
  96                                                                struct
  97                                                                ktc_encryptionKey
  98                                                                * serverKey),
  99                                                               int (*user_ok)
 100
 101
 102
 103                                                               (char *name,
 104                                                                char
 105                                                                *instance,
 106                                                                char *cell,
 107                                                                afs_int32
 108                                                                kvno));
 109 extern struct rx_securityClass *rxkad_NewKrb5ServerSecurityObject
 110 (rxkad_level level, void *get_key_rock,
 111  int (*get_key) (void *get_key_rock, int kvno,
 112                  struct ktc_encryptionKey *serverKey),
 113  rxkad_get_key_enctype_func get_key_enctype,
 114  int (*user_ok) (char *name, char *instance, char *cell, afs_int32 kvno));
 115 extern int rxkad_CheckAuthentication(struct rx_securityClass *aobj,
 116                                      struct rx_connection *aconn);
 117 extern int rxkad_CreateChallenge(struct rx_securityClass *aobj,
 118                                  struct rx_connection *aconn);
 119 extern int rxkad_GetChallenge(struct rx_securityClass *aobj,
 120                               struct rx_connection *aconn,
 121                               struct rx_packet *apacket);
 122 extern int rxkad_CheckResponse(struct rx_securityClass *aobj,
 123                                struct rx_connection *aconn,
 124                                struct rx_packet *apacket);
 125 extern afs_int32 rxkad_GetServerInfo(struct rx_connection *aconn,
 126                                      rxkad_level * level,
 127                                      afs_uint32 * expiration, char *name,
 128                                      char *instance, char *cell,
 129                                      afs_int32 * kvno);
 130 extern afs_int32 rxkad_SetConfiguration(struct rx_securityClass *aobj,
 131                                         struct rx_connection *aconn,
 132                                         rx_securityConfigVariables atype,
 133                                         void * avalue, void **aresult);
 134
 135 /* ticket.c */
 136 extern int tkt_DecodeTicket(char *asecret, afs_int32 ticketLen,
 137                             struct ktc_encryptionKey *key, char *name,
 138                             char *inst, char *cell, struct ktc_encryptionKey *sessionKey,
 139                             afs_int32 * host, afs_uint32 * start,
 140                             afs_uint32 * end);
 141 extern int tkt_MakeTicket(char *ticket, int *ticketLen,
 142                           struct ktc_encryptionKey *key, char *name,
 143                           char *inst, char *cell, afs_uint32 start,
 144                           afs_uint32 end,
 145                           struct ktc_encryptionKey *sessionKey,
 146                           afs_uint32 host, char *sname, char *sinst);
 147 extern int tkt_CheckTimes(afs_uint32 start, afs_uint32 end, afs_uint32 now);
 148 extern afs_int32 ktohl(char flags, afs_int32 l);
 149 extern afs_uint32 life_to_time(afs_uint32 start, unsigned char life);
 150 extern unsigned char time_to_life(afs_uint32 start, afs_uint32 end);
 151
 152 /* crc.c */
 153 extern void _rxkad_crc_init_table(void);
 154 extern afs_uint32 _rxkad_crc_update(const char *p, size_t len, afs_uint32 res);
 155
 156 /* ticket5.c */
 157 extern int tkt_DecodeTicket5(char *ticket, afs_int32 ticket_len,
 158                              int (*get_key) (void *, int,
 159                                              struct ktc_encryptionKey *),
 160                              rxkad_get_key_enctype_func get_key2,
 161                              char *get_key_rock, int serv_kvno, char *name,
 162                              char *inst, char *cell, struct ktc_encryptionKey *session_key,
 163                              afs_int32 * host, afs_uint32 * start,
 164                              afs_uint32 * end, afs_int32 disableDotCheck);
 165 extern int tkt_MakeTicket5(char *ticket, int *ticketLen, int enctype, int *kvno,
 166                            void *key, size_t keylen,
 167                            char *name, char *inst, char *cell, afs_uint32 start,
 168                            afs_uint32 end, struct ktc_encryptionKey *sessionKey,
 169                            char *sname, char *sinst);
 170 /*
 171  * Compute a des key from a key of a semi-arbitrary kerberos 5 enctype.
 172  * Modifies keydata if enctype is 3des.
 173  */
 174 extern int tkt_DeriveDesKey(int enctype, void *keydata, size_t keylen, struct ktc_encryptionKey
 175                             *output);
 176
 177 #endif