diff options
Diffstat (limited to 'include/uapi/linux/nfsd/cld.h')
| -rw-r--r-- | include/uapi/linux/nfsd/cld.h | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/include/uapi/linux/nfsd/cld.h b/include/uapi/linux/nfsd/cld.h index b1e9de4f07d5..a519313af953 100644 --- a/include/uapi/linux/nfsd/cld.h +++ b/include/uapi/linux/nfsd/cld.h @@ -26,17 +26,22 @@ #include <linux/types.h> /* latest upcall version available */ -#define CLD_UPCALL_VERSION 1 +#define CLD_UPCALL_VERSION 2 /* defined by RFC3530 */ #define NFS4_OPAQUE_LIMIT 1024 +#ifndef SHA256_DIGEST_SIZE +#define SHA256_DIGEST_SIZE 32 +#endif + enum cld_command { Cld_Create, /* create a record for this cm_id */ Cld_Remove, /* remove record of this cm_id */ Cld_Check, /* is this cm_id allowed? */ Cld_GraceDone, /* grace period is complete */ - Cld_GraceStart, + Cld_GraceStart, /* grace start (upload client records) */ + Cld_GetVersion, /* query max supported upcall version */ }; /* representation of long-form NFSv4 client ID */ @@ -45,6 +50,17 @@ struct cld_name { unsigned char cn_id[NFS4_OPAQUE_LIMIT]; /* client-provided */ } __attribute__((packed)); +/* sha256 hash of the kerberos principal */ +struct cld_princhash { + __u8 cp_len; /* length of cp_data */ + unsigned char cp_data[SHA256_DIGEST_SIZE]; /* hash of principal */ +} __attribute__((packed)); + +struct cld_clntinfo { + struct cld_name cc_name; + struct cld_princhash cc_princhash; +} __attribute__((packed)); + /* message struct for communication with userspace */ struct cld_msg { __u8 cm_vers; /* upcall version */ @@ -54,7 +70,28 @@ struct cld_msg { union { __s64 cm_gracetime; /* grace period start time */ struct cld_name cm_name; + __u8 cm_version; /* for getting max version */ + } __attribute__((packed)) cm_u; +} __attribute__((packed)); + +/* version 2 message can include hash of kerberos principal */ +struct cld_msg_v2 { + __u8 cm_vers; /* upcall version */ + __u8 cm_cmd; /* upcall command */ + __s16 cm_status; /* return code */ + __u32 cm_xid; /* transaction id */ + union { + struct cld_name cm_name; + __u8 cm_version; /* for getting max version */ + struct cld_clntinfo cm_clntinfo; /* name & princ hash */ } __attribute__((packed)) cm_u; } __attribute__((packed)); +struct cld_msg_hdr { + __u8 cm_vers; /* upcall version */ + __u8 cm_cmd; /* upcall command */ + __s16 cm_status; /* return code */ + __u32 cm_xid; /* transaction id */ +} __attribute__((packed)); + #endif /* !_NFSD_CLD_H */ |