LXR linux/drivers/target/iscsi/iscsi_target

   1#ifndef _ISCSI_CHAP_H_
   2#define _ISCSI_CHAP_H_
   3
   4#define CHAP_DIGEST_UNKNOWN     0
   5#define CHAP_DIGEST_MD5         5
   6#define CHAP_DIGEST_SHA         6
   7
   8#define CHAP_CHALLENGE_LENGTH   16
   9#define CHAP_CHALLENGE_STR_LEN  4096
  10#define MAX_RESPONSE_LENGTH     64      /* sufficient for MD5 */
  11#define MAX_CHAP_N_SIZE         512
  12
  13#define MD5_SIGNATURE_SIZE      16      /* 16 bytes in a MD5 message digest */
  14
  15#define CHAP_STAGE_CLIENT_A     1
  16#define CHAP_STAGE_SERVER_AIC   2
  17#define CHAP_STAGE_CLIENT_NR    3
  18#define CHAP_STAGE_CLIENT_NRIC  4
  19#define CHAP_STAGE_SERVER_NR    5
  20
  21extern u32 chap_main_loop(struct iscsi_conn *, struct iscsi_node_auth *, char *, char *,
  22                                int *, int *);
  23
  24struct iscsi_chap {
  25        unsigned char   digest_type;
  26        unsigned char   id;
  27        unsigned char   challenge[CHAP_CHALLENGE_LENGTH];
  28        unsigned int    authenticate_target;
  29        unsigned int    chap_state;
  30} ____cacheline_aligned;
  31
  32#endif   /*** _ISCSI_CHAP_H_ ***/
  33