drivers/target/iscsi/iscsi_target_auth.h

   1 #ifndef _ISCSI_CHAP_H_
   2 #define _ISCSI_CHAP_H_
   3
   4 #define CHAP_DIGEST_MD5         5
   5 #define CHAP_DIGEST_SHA         6
   6
   7 #define CHAP_CHALLENGE_LENGTH   16
   8 #define CHAP_CHALLENGE_STR_LEN  4096
   9 #define MAX_RESPONSE_LENGTH     64      /* sufficient for MD5 */
  10 #define MAX_CHAP_N_SIZE         512
  11
  12 #define MD5_SIGNATURE_SIZE      16      /* 16 bytes in a MD5 message digest */
  13
  14 #define CHAP_STAGE_CLIENT_A     1
  15 #define CHAP_STAGE_SERVER_AIC   2
  16 #define CHAP_STAGE_CLIENT_NR    3
  17 #define CHAP_STAGE_CLIENT_NRIC  4
  18 #define CHAP_STAGE_SERVER_NR    5
  19
  20 extern u32 chap_main_loop(struct iscsi_conn *, struct iscsi_node_auth *, char *, char *,
  21                                 int *, int *);
  22
  23 struct iscsi_chap {
  24         unsigned char   digest_type;
  25         unsigned char   id;
  26         unsigned char   challenge[CHAP_CHALLENGE_LENGTH];
  27         unsigned int    authenticate_target;
  28         unsigned int    chap_state;
  29 } ____cacheline_aligned;
  30
  31 #endif   /*** _ISCSI_CHAP_H_ ***/