projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| e48354ce NB |
2 | #ifndef _ISCSI_CHAP_H_ |
| 3 | #define _ISCSI_CHAP_H_ | |
| 4 | ||
| 8dcf07be BVA |
5 | #include <linux/types.h> |
| 6 | ||
| 3160723c | 7 | #define CHAP_DIGEST_UNKNOWN 0 |
| e48354ce NB |
8 | #define CHAP_DIGEST_MD5 5 |
| 9 | #define CHAP_DIGEST_SHA 6 | |
| 10 | ||
| 11 | #define CHAP_CHALLENGE_LENGTH 16 | |
| 12 | #define CHAP_CHALLENGE_STR_LEN 4096 | |
| 13 | #define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 */ | |
| 14 | #define MAX_CHAP_N_SIZE 512 | |
| 15 | ||
| 16 | #define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */ | |
| 17 | ||
| 18 | #define CHAP_STAGE_CLIENT_A 1 | |
| 19 | #define CHAP_STAGE_SERVER_AIC 2 | |
| 20 | #define CHAP_STAGE_CLIENT_NR 3 | |
| 21 | #define CHAP_STAGE_CLIENT_NRIC 4 | |
| 22 | #define CHAP_STAGE_SERVER_NR 5 | |
| 23 | ||
| 8dcf07be BVA |
24 | struct iscsi_node_auth; |
| 25 | struct iscsi_conn; | |
| 26 | ||
| e48354ce NB |
27 | extern u32 chap_main_loop(struct iscsi_conn *, struct iscsi_node_auth *, char *, char *, |
| 28 | int *, int *); | |
| 29 | ||
| 30 | struct iscsi_chap { | |
| 31 | unsigned char digest_type; | |
| 32 | unsigned char id; | |
| 33 | unsigned char challenge[CHAP_CHALLENGE_LENGTH]; | |
| 34 | unsigned int authenticate_target; | |
| 35 | unsigned int chap_state; | |
| 36 | } ____cacheline_aligned; | |
| 37 | ||
| 38 | #endif /*** _ISCSI_CHAP_H_ ***/ |