[deliverable/linux.git] / drivers / target / iscsi / iscsi_target_auth.h

#ifndef _ISCSI_CHAP_H_
#define _ISCSI_CHAP_H_

#define CHAP_DIGEST_UNKNOWN	0
#define CHAP_DIGEST_MD5		5
#define CHAP_DIGEST_SHA		6

#define CHAP_CHALLENGE_LENGTH	16
#define CHAP_CHALLENGE_STR_LEN	4096
#define MAX_RESPONSE_LENGTH	64	/* sufficient for MD5 */
#define	MAX_CHAP_N_SIZE		512

#define MD5_SIGNATURE_SIZE	16	/* 16 bytes in a MD5 message digest */

#define CHAP_STAGE_CLIENT_A	1
#define CHAP_STAGE_SERVER_AIC	2
#define CHAP_STAGE_CLIENT_NR	3
#define CHAP_STAGE_CLIENT_NRIC	4
#define CHAP_STAGE_SERVER_NR	5

extern u32 chap_main_loop(struct iscsi_conn *, struct iscsi_node_auth *, char *, char *,
				int *, int *);

struct iscsi_chap {
	unsigned char	digest_type;
	unsigned char	id;
	unsigned char	challenge[CHAP_CHALLENGE_LENGTH];
	unsigned int	authenticate_target;
	unsigned int	chap_state;
} ____cacheline_aligned;

#endif   /*** _ISCSI_CHAP_H_ ***/
Commit	Line	Data
e48354ce NB	1	#ifndef _ISCSI_CHAP_H_
	2	#define _ISCSI_CHAP_H_
	3
3160723c	4	#define CHAP_DIGEST_UNKNOWN 0
e48354ce NB	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
	21	extern u32 chap_main_loop(struct iscsi_conn , struct iscsi_node_auth , char , char ,
	22	int , int );
	23
	24	struct 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_ */