mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 17:08:10 +00:00
184416d4b9
Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to prevent this issue. Cc: stable@vger.kernel.org Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
177 lines
4.3 KiB
C
177 lines
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* XDR types for nfsd. This is mainly a typing exercise. */
|
|
|
|
#ifndef LINUX_NFSD_H
|
|
#define LINUX_NFSD_H
|
|
|
|
#include <linux/vfs.h>
|
|
#include "nfsd.h"
|
|
#include "nfsfh.h"
|
|
|
|
struct nfsd_fhandle {
|
|
struct svc_fh fh;
|
|
};
|
|
|
|
struct nfsd_sattrargs {
|
|
struct svc_fh fh;
|
|
struct iattr attrs;
|
|
};
|
|
|
|
struct nfsd_diropargs {
|
|
struct svc_fh fh;
|
|
char * name;
|
|
unsigned int len;
|
|
};
|
|
|
|
struct nfsd_readargs {
|
|
struct svc_fh fh;
|
|
__u32 offset;
|
|
__u32 count;
|
|
};
|
|
|
|
struct nfsd_writeargs {
|
|
svc_fh fh;
|
|
__u32 offset;
|
|
__u32 len;
|
|
struct xdr_buf payload;
|
|
};
|
|
|
|
struct nfsd_createargs {
|
|
struct svc_fh fh;
|
|
char * name;
|
|
unsigned int len;
|
|
struct iattr attrs;
|
|
};
|
|
|
|
struct nfsd_renameargs {
|
|
struct svc_fh ffh;
|
|
char * fname;
|
|
unsigned int flen;
|
|
struct svc_fh tfh;
|
|
char * tname;
|
|
unsigned int tlen;
|
|
};
|
|
|
|
struct nfsd_linkargs {
|
|
struct svc_fh ffh;
|
|
struct svc_fh tfh;
|
|
char * tname;
|
|
unsigned int tlen;
|
|
};
|
|
|
|
struct nfsd_symlinkargs {
|
|
struct svc_fh ffh;
|
|
char * fname;
|
|
unsigned int flen;
|
|
char * tname;
|
|
unsigned int tlen;
|
|
struct iattr attrs;
|
|
struct kvec first;
|
|
};
|
|
|
|
struct nfsd_readdirargs {
|
|
struct svc_fh fh;
|
|
__u32 cookie;
|
|
__u32 count;
|
|
};
|
|
|
|
struct nfsd_stat {
|
|
__be32 status;
|
|
};
|
|
|
|
struct nfsd_attrstat {
|
|
__be32 status;
|
|
struct svc_fh fh;
|
|
struct kstat stat;
|
|
};
|
|
|
|
struct nfsd_diropres {
|
|
__be32 status;
|
|
struct svc_fh fh;
|
|
struct kstat stat;
|
|
};
|
|
|
|
struct nfsd_readlinkres {
|
|
__be32 status;
|
|
int len;
|
|
struct page *page;
|
|
};
|
|
|
|
struct nfsd_readres {
|
|
__be32 status;
|
|
struct svc_fh fh;
|
|
unsigned long count;
|
|
struct kstat stat;
|
|
struct page **pages;
|
|
};
|
|
|
|
struct nfsd_readdirres {
|
|
/* Components of the reply */
|
|
__be32 status;
|
|
|
|
int count;
|
|
|
|
/* Used to encode the reply's entry list */
|
|
struct xdr_stream xdr;
|
|
struct xdr_buf dirlist;
|
|
struct readdir_cd common;
|
|
unsigned int cookie_offset;
|
|
};
|
|
|
|
struct nfsd_statfsres {
|
|
__be32 status;
|
|
struct kstatfs stats;
|
|
};
|
|
|
|
/*
|
|
* Storage requirements for XDR arguments and results.
|
|
*/
|
|
union nfsd_xdrstore {
|
|
struct nfsd_sattrargs sattr;
|
|
struct nfsd_diropargs dirop;
|
|
struct nfsd_readargs read;
|
|
struct nfsd_writeargs write;
|
|
struct nfsd_createargs create;
|
|
struct nfsd_renameargs rename;
|
|
struct nfsd_linkargs link;
|
|
struct nfsd_symlinkargs symlink;
|
|
struct nfsd_readdirargs readdir;
|
|
};
|
|
|
|
#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore)
|
|
|
|
|
|
bool nfssvc_decode_fhandleargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_decode_sattrargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_decode_diropargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_decode_readargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_decode_writeargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_decode_createargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_decode_renameargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_decode_linkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_decode_readdirargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
|
|
bool nfssvc_encode_statres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_encode_attrstatres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_encode_diropres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_encode_readlinkres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_encode_readres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_encode_statfsres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
bool nfssvc_encode_readdirres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
|
|
|
|
void nfssvc_encode_nfscookie(struct nfsd_readdirres *resp, u32 offset);
|
|
int nfssvc_encode_entry(void *data, const char *name, int namlen,
|
|
loff_t offset, u64 ino, unsigned int d_type);
|
|
|
|
void nfssvc_release_attrstat(struct svc_rqst *rqstp);
|
|
void nfssvc_release_diropres(struct svc_rqst *rqstp);
|
|
void nfssvc_release_readres(struct svc_rqst *rqstp);
|
|
|
|
/* Helper functions for NFSv2 ACL code */
|
|
bool svcxdr_decode_fhandle(struct xdr_stream *xdr, struct svc_fh *fhp);
|
|
bool svcxdr_encode_stat(struct xdr_stream *xdr, __be32 status);
|
|
bool svcxdr_encode_fattr(struct svc_rqst *rqstp, struct xdr_stream *xdr,
|
|
const struct svc_fh *fhp, const struct kstat *stat);
|
|
|
|
#endif /* LINUX_NFSD_H */
|