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Merge tag 'nfsd-5.7-rc-2' of git://git.linux-nfs.org/projects/cel/cel-2.6

Browse Source 
Pull nfsd fixes from Chuck Lever:
 "Resolve a data integrity problem with NFSD that I inadvertently
  introduced last year.

  The change I made makes the NFS server's duplicate reply cache
  ineffective when krb5i or krb5p are in use, thus allowing the replay
  of non-idempotent NFS requests such as RENAME, SETATTR, or even
  WRITEs"

* tag 'nfsd-5.7-rc-2' of git://git.linux-nfs.org/projects/cel/cel-2.6:
  SUNRPC: Revert 241b1f419f ("SUNRPC: Remove xdr_buf_trim()")
  SUNRPC: Fix GSS privacy computation of auth->au_ralign
  SUNRPC: Add "@len" parameter to gss_unwrap()
This commit is contained in:
Linus Torvalds
2020-05-11 12:04:52 -07:00
parent 995b819f29 0a8e7b7d08
commit 152036d137
9 changed files with 91 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/linux/sunrpc/gss_api.h
View File

@@ -21,6 +21,7 @@
struct gss_ctx {
struct gss_api_mech *mech_type;
void *internal_ctx_id;
unsigned int slack, align;
};
#define GSS_C_NO_BUFFER ((struct xdr_netobj) 0)
@@ -66,6 +67,7 @@ u32 gss_wrap(
u32 gss_unwrap(
struct gss_ctx *ctx_id,
int offset,
int len,
struct xdr_buf *inbuf);
u32 gss_delete_sec_context(
struct gss_ctx **ctx_id);
@@ -126,6 +128,7 @@ struct gss_api_ops {
u32 (*gss_unwrap)(
struct gss_ctx *ctx_id,
int offset,
int len,
struct xdr_buf *buf);
void (*gss_delete_sec_context)(
void *internal_ctx_id);

6
include/linux/sunrpc/gss_krb5.h
View File

@@ -83,7 +83,7 @@ struct gss_krb5_enctype {
u32 (*encrypt_v2) (struct krb5_ctx *kctx, u32 offset,
struct xdr_buf *buf,
struct page **pages); /* v2 encryption function */
u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset,
u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset, u32 len,
struct xdr_buf *buf, u32 *headskip,
u32 *tailskip); /* v2 decryption function */
};
@@ -255,7 +255,7 @@ gss_wrap_kerberos(struct gss_ctx *ctx_id, int offset,
struct xdr_buf *outbuf, struct page **pages);
u32
gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset,
gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset, int len,
struct xdr_buf *buf);
@@ -312,7 +312,7 @@ gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset,
struct page **pages);
u32
gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset,
gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, u32 len,
struct xdr_buf *buf, u32 *plainoffset,
u32 *plainlen);

1
include/linux/sunrpc/xdr.h
View File

@@ -184,6 +184,7 @@ xdr_adjust_iovec(struct kvec *iov, __be32 *p)
extern void xdr_shift_buf(struct xdr_buf *, size_t);
extern void xdr_buf_from_iov(struct kvec *, struct xdr_buf *);
extern int xdr_buf_subsegment(struct xdr_buf *, struct xdr_buf *, unsigned int, unsigned int);
extern void xdr_buf_trim(struct xdr_buf *, unsigned int);
extern int read_bytes_from_xdr_buf(struct xdr_buf *, unsigned int, void *, unsigned int);
extern int write_bytes_to_xdr_buf(struct xdr_buf *, unsigned int, void *, unsigned int);