diff options
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 2c61c6b8ae09..1d048dd95464 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -33,7 +33,6 @@ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -#include <linux/fs_struct.h> #include <linux/file.h> #include <linux/slab.h> #include <linux/namei.h> @@ -455,8 +454,8 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, } label->len = 0; -#ifdef CONFIG_NFSD_V4_SECURITY_LABEL - if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) { + if (IS_ENABLED(CONFIG_NFSD_V4_SECURITY_LABEL) && + bmval[2] & FATTR4_WORD2_SECURITY_LABEL) { READ_BUF(4); len += 4; dummy32 = be32_to_cpup(p++); /* lfs: we don't use it */ @@ -476,7 +475,6 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, if (!label->data) return nfserr_jukebox; } -#endif if (bmval[2] & FATTR4_WORD2_MODE_UMASK) { if (!umask) goto xdr_error; @@ -683,7 +681,7 @@ nfsd4_decode_create(struct nfsd4_compoundargs *argp, struct nfsd4_create *create status = nfsd4_decode_fattr(argp, create->cr_bmval, &create->cr_iattr, &create->cr_acl, &create->cr_label, - ¤t->fs->umask); + &create->cr_umask); if (status) goto out; @@ -928,7 +926,6 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) case NFS4_OPEN_NOCREATE: break; case NFS4_OPEN_CREATE: - current->fs->umask = 0; READ_BUF(4); open->op_createmode = be32_to_cpup(p++); switch (open->op_createmode) { @@ -936,7 +933,7 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) case NFS4_CREATE_GUARDED: status = nfsd4_decode_fattr(argp, open->op_bmval, &open->op_iattr, &open->op_acl, &open->op_label, - ¤t->fs->umask); + &open->op_umask); if (status) goto out; break; @@ -951,7 +948,7 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) COPYMEM(open->op_verf.data, NFS4_VERIFIER_SIZE); status = nfsd4_decode_fattr(argp, open->op_bmval, &open->op_iattr, &open->op_acl, &open->op_label, - ¤t->fs->umask); + &open->op_umask); if (status) goto out; break; @@ -1760,7 +1757,7 @@ nfsd4_decode_copy(struct nfsd4_compoundargs *argp, struct nfsd4_copy *copy) p = xdr_decode_hyper(p, ©->cp_src_pos); p = xdr_decode_hyper(p, ©->cp_dst_pos); p = xdr_decode_hyper(p, ©->cp_count); - copy->cp_consecutive = be32_to_cpup(p++); + p++; /* ca_consecutive: we always do consecutive copies */ copy->cp_synchronous = be32_to_cpup(p++); tmp = be32_to_cpup(p); /* Source server list not supported */ @@ -1918,8 +1915,13 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp) if (argp->taglen > NFSD4_MAX_TAGLEN) goto xdr_error; - if (argp->opcnt > 100) - goto xdr_error; + /* + * NFS4ERR_RESOURCE is a more helpful error than GARBAGE_ARGS + * here, so we return success at the xdr level so that + * nfsd4_proc can handle this is an NFS-level error. + */ + if (argp->opcnt > NFSD_MAX_OPS_PER_COMPOUND) + return 0; if (argp->opcnt > ARRAY_SIZE(argp->iops)) { argp->ops = kzalloc(argp->opcnt * sizeof(*argp->ops), GFP_KERNEL); @@ -1991,7 +1993,7 @@ static __be32 *encode_change(__be32 *p, struct kstat *stat, struct inode *inode, *p++ = cpu_to_be32(convert_to_wallclock(exp->cd->flush_time)); *p++ = 0; } else if (IS_I_VERSION(inode)) { - p = xdr_encode_hyper(p, nfsd4_change_attribute(inode)); + p = xdr_encode_hyper(p, nfsd4_change_attribute(stat, inode)); } else { *p++ = cpu_to_be32(stat->ctime.tv_sec); *p++ = cpu_to_be32(stat->ctime.tv_nsec); @@ -3423,8 +3425,9 @@ static __be32 nfsd4_encode_splice_read( return nfserr_resource; len = maxcount; - nfserr = nfsd_splice_read(read->rd_rqstp, file, - read->rd_offset, &maxcount); + nfserr = nfsd_splice_read(read->rd_rqstp, read->rd_fhp, + file, read->rd_offset, &maxcount); + read->rd_length = maxcount; if (nfserr) { /* * nfsd_splice_actor may have already messed with the @@ -3507,8 +3510,9 @@ static __be32 nfsd4_encode_readv(struct nfsd4_compoundres *resp, read->rd_vlen = v; len = maxcount; - nfserr = nfsd_readv(file, read->rd_offset, resp->rqstp->rq_vec, - read->rd_vlen, &maxcount); + nfserr = nfsd_readv(resp->rqstp, read->rd_fhp, file, read->rd_offset, + resp->rqstp->rq_vec, read->rd_vlen, &maxcount); + read->rd_length = maxcount; if (nfserr) return nfserr; xdr_truncate_encode(xdr, starting_len + 8 + ((maxcount+3)&~3)); @@ -4210,7 +4214,7 @@ nfsd4_encode_copy(struct nfsd4_compoundres *resp, __be32 nfserr, return nfserr; p = xdr_reserve_space(&resp->xdr, 4 + 4); - *p++ = cpu_to_be32(copy->cp_consecutive); + *p++ = xdr_one; /* cr_consecutive */ *p++ = cpu_to_be32(copy->cp_synchronous); return 0; } |