1 files changed, 0 insertions, 545 deletions

diff --git a/ANDROID_3.4.5/fs/nfsd/nfsxdr.c b/ANDROID_3.4.5/fs/nfsd/nfsxdr.c
deleted file mode 100644
index 65ec595e..00000000
--- a/ANDROID_3.4.5/fs/nfsd/nfsxdr.c
+++ /dev/null
@@ -1,545 +0,0 @@
-/*
- * XDR support for nfsd
- *
- * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
- */
-
-#include "xdr.h"
-#include "auth.h"
-
-#define NFSDDBG_FACILITY		NFSDDBG_XDR
-
-/*
- * Mapping of S_IF* types to NFS file types
- */
-static u32	nfs_ftypes[] = {
-	NFNON,  NFCHR,  NFCHR, NFBAD,
-	NFDIR,  NFBAD,  NFBLK, NFBAD,
-	NFREG,  NFBAD,  NFLNK, NFBAD,
-	NFSOCK, NFBAD,  NFLNK, NFBAD,
-};
-
-
-/*
- * XDR functions for basic NFS types
- */
-static __be32 *
-decode_fh(__be32 *p, struct svc_fh *fhp)
-{
-	fh_init(fhp, NFS_FHSIZE);
-	memcpy(&fhp->fh_handle.fh_base, p, NFS_FHSIZE);
-	fhp->fh_handle.fh_size = NFS_FHSIZE;
-
-	/* FIXME: Look up export pointer here and verify
-	 * Sun Secure RPC if requested */
-	return p + (NFS_FHSIZE >> 2);
-}
-
-/* Helper function for NFSv2 ACL code */
-__be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp)
-{
-	return decode_fh(p, fhp);
-}
-
-static __be32 *
-encode_fh(__be32 *p, struct svc_fh *fhp)
-{
-	memcpy(p, &fhp->fh_handle.fh_base, NFS_FHSIZE);
-	return p + (NFS_FHSIZE>> 2);
-}
-
-/*
- * Decode a file name and make sure that the path contains
- * no slashes or null bytes.
- */
-static __be32 *
-decode_filename(__be32 *p, char **namp, unsigned int *lenp)
-{
-	char		*name;
-	unsigned int	i;
-
-	if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS_MAXNAMLEN)) != NULL) {
-		for (i = 0, name = *namp; i < *lenp; i++, name++) {
-			if (*name == '\0' || *name == '/')
-				return NULL;
-		}
-	}
-
-	return p;
-}
-
-static __be32 *
-decode_pathname(__be32 *p, char **namp, unsigned int *lenp)
-{
-	char		*name;
-	unsigned int	i;
-
-	if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS_MAXPATHLEN)) != NULL) {
-		for (i = 0, name = *namp; i < *lenp; i++, name++) {
-			if (*name == '\0')
-				return NULL;
-		}
-	}
-
-	return p;
-}
-
-static __be32 *
-decode_sattr(__be32 *p, struct iattr *iap)
-{
-	u32	tmp, tmp1;
-
-	iap->ia_valid = 0;
-
-	/* Sun client bug compatibility check: some sun clients seem to
-	 * put 0xffff in the mode field when they mean 0xffffffff.
-	 * Quoting the 4.4BSD nfs server code: Nah nah nah nah na nah.
-	 */
-	if ((tmp = ntohl(*p++)) != (u32)-1 && tmp != 0xffff) {
-		iap->ia_valid |= ATTR_MODE;
-		iap->ia_mode = tmp;
-	}
-	if ((tmp = ntohl(*p++)) != (u32)-1) {
-		iap->ia_valid |= ATTR_UID;
-		iap->ia_uid = tmp;
-	}
-	if ((tmp = ntohl(*p++)) != (u32)-1) {
-		iap->ia_valid |= ATTR_GID;
-		iap->ia_gid = tmp;
-	}
-	if ((tmp = ntohl(*p++)) != (u32)-1) {
-		iap->ia_valid |= ATTR_SIZE;
-		iap->ia_size = tmp;
-	}
-	tmp  = ntohl(*p++); tmp1 = ntohl(*p++);
-	if (tmp != (u32)-1 && tmp1 != (u32)-1) {
-		iap->ia_valid |= ATTR_ATIME | ATTR_ATIME_SET;
-		iap->ia_atime.tv_sec = tmp;
-		iap->ia_atime.tv_nsec = tmp1 * 1000; 
-	}
-	tmp  = ntohl(*p++); tmp1 = ntohl(*p++);
-	if (tmp != (u32)-1 && tmp1 != (u32)-1) {
-		iap->ia_valid |= ATTR_MTIME | ATTR_MTIME_SET;
-		iap->ia_mtime.tv_sec = tmp;
-		iap->ia_mtime.tv_nsec = tmp1 * 1000; 
-		/*
-		 * Passing the invalid value useconds=1000000 for mtime
-		 * is a Sun convention for "set both mtime and atime to
-		 * current server time".  It's needed to make permissions
-		 * checks for the "touch" program across v2 mounts to
-		 * Solaris and Irix boxes work correctly. See description of
-		 * sattr in section 6.1 of "NFS Illustrated" by
-		 * Brent Callaghan, Addison-Wesley, ISBN 0-201-32750-5
-		 */
-		if (tmp1 == 1000000)
-			iap->ia_valid &= ~(ATTR_ATIME_SET|ATTR_MTIME_SET);
-	}
-	return p;
-}
-
-static __be32 *
-encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp,
-	     struct kstat *stat)
-{
-	struct dentry	*dentry = fhp->fh_dentry;
-	int type;
-	struct timespec time;
-	u32 f;
-
-	type = (stat->mode & S_IFMT);
-
-	*p++ = htonl(nfs_ftypes[type >> 12]);
-	*p++ = htonl((u32) stat->mode);
-	*p++ = htonl((u32) stat->nlink);
-	*p++ = htonl((u32) nfsd_ruid(rqstp, stat->uid));
-	*p++ = htonl((u32) nfsd_rgid(rqstp, stat->gid));
-
-	if (S_ISLNK(type) && stat->size > NFS_MAXPATHLEN) {
-		*p++ = htonl(NFS_MAXPATHLEN);
-	} else {
-		*p++ = htonl((u32) stat->size);
-	}
-	*p++ = htonl((u32) stat->blksize);
-	if (S_ISCHR(type) || S_ISBLK(type))
-		*p++ = htonl(new_encode_dev(stat->rdev));
-	else
-		*p++ = htonl(0xffffffff);
-	*p++ = htonl((u32) stat->blocks);
-	switch (fsid_source(fhp)) {
-	default:
-	case FSIDSOURCE_DEV:
-		*p++ = htonl(new_encode_dev(stat->dev));
-		break;
-	case FSIDSOURCE_FSID:
-		*p++ = htonl((u32) fhp->fh_export->ex_fsid);
-		break;
-	case FSIDSOURCE_UUID:
-		f = ((u32*)fhp->fh_export->ex_uuid)[0];
-		f ^= ((u32*)fhp->fh_export->ex_uuid)[1];
-		f ^= ((u32*)fhp->fh_export->ex_uuid)[2];
-		f ^= ((u32*)fhp->fh_export->ex_uuid)[3];
-		*p++ = htonl(f);
-		break;
-	}
-	*p++ = htonl((u32) stat->ino);
-	*p++ = htonl((u32) stat->atime.tv_sec);
-	*p++ = htonl(stat->atime.tv_nsec ? stat->atime.tv_nsec / 1000 : 0);
-	lease_get_mtime(dentry->d_inode, &time); 
-	*p++ = htonl((u32) time.tv_sec);
-	*p++ = htonl(time.tv_nsec ? time.tv_nsec / 1000 : 0); 
-	*p++ = htonl((u32) stat->ctime.tv_sec);
-	*p++ = htonl(stat->ctime.tv_nsec ? stat->ctime.tv_nsec / 1000 : 0);
-
-	return p;
-}
-
-/* Helper function for NFSv2 ACL code */
-__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
-{
-	struct kstat stat;
-	vfs_getattr(fhp->fh_export->ex_path.mnt, fhp->fh_dentry, &stat);
-	return encode_fattr(rqstp, p, fhp, &stat);
-}
-
-/*
- * XDR decode functions
- */
-int
-nfssvc_decode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
-{
-	return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_fhandle(struct svc_rqst *rqstp, __be32 *p, struct nfsd_fhandle *args)
-{
-	if (!(p = decode_fh(p, &args->fh)))
-		return 0;
-	return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_sattrargs(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_sattrargs *args)
-{
-	p = decode_fh(p, &args->fh);
-	if (!p)
-		return 0;
-	p = decode_sattr(p, &args->attrs);
-
-	return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_diropargs(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_diropargs *args)
-{
-	if (!(p = decode_fh(p, &args->fh))
-	 || !(p = decode_filename(p, &args->name, &args->len)))
-		return 0;
-
-	 return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_readargs(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_readargs *args)
-{
-	unsigned int len;
-	int v,pn;
-	if (!(p = decode_fh(p, &args->fh)))
-		return 0;
-
-	args->offset    = ntohl(*p++);
-	len = args->count     = ntohl(*p++);
-	p++; /* totalcount - unused */
-
-	if (len > NFSSVC_MAXBLKSIZE_V2)
-		len = NFSSVC_MAXBLKSIZE_V2;
-
-	/* set up somewhere to store response.
-	 * We take pages, put them on reslist and include in iovec
-	 */
-	v=0;
-	while (len > 0) {
-		pn = rqstp->rq_resused++;
-		rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_respages[pn]);
-		rqstp->rq_vec[v].iov_len = len < PAGE_SIZE?len:PAGE_SIZE;
-		len -= rqstp->rq_vec[v].iov_len;
-		v++;
-	}
-	args->vlen = v;
-	return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_writeargs(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_writeargs *args)
-{
-	unsigned int len, hdr, dlen;
-	int v;
-
-	if (!(p = decode_fh(p, &args->fh)))
-		return 0;
-
-	p++;				/* beginoffset */
-	args->offset = ntohl(*p++);	/* offset */
-	p++;				/* totalcount */
-	len = args->len = ntohl(*p++);
-	/*
-	 * The protocol specifies a maximum of 8192 bytes.
-	 */
-	if (len > NFSSVC_MAXBLKSIZE_V2)
-		return 0;
-
-	/*
-	 * Check to make sure that we got the right number of
-	 * bytes.
-	 */
-	hdr = (void*)p - rqstp->rq_arg.head[0].iov_base;
-	dlen = rqstp->rq_arg.head[0].iov_len + rqstp->rq_arg.page_len
-		- hdr;
-
-	/*
-	 * Round the length of the data which was specified up to
-	 * the next multiple of XDR units and then compare that
-	 * against the length which was actually received.
-	 * Note that when RPCSEC/GSS (for example) is used, the
-	 * data buffer can be padded so dlen might be larger
-	 * than required.  It must never be smaller.
-	 */
-	if (dlen < XDR_QUADLEN(len)*4)
-		return 0;
-
-	rqstp->rq_vec[0].iov_base = (void*)p;
-	rqstp->rq_vec[0].iov_len = rqstp->rq_arg.head[0].iov_len - hdr;
-	v = 0;
-	while (len > rqstp->rq_vec[v].iov_len) {
-		len -= rqstp->rq_vec[v].iov_len;
-		v++;
-		rqstp->rq_vec[v].iov_base = page_address(rqstp->rq_pages[v]);
-		rqstp->rq_vec[v].iov_len = PAGE_SIZE;
-	}
-	rqstp->rq_vec[v].iov_len = len;
-	args->vlen = v + 1;
-	return 1;
-}
-
-int
-nfssvc_decode_createargs(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_createargs *args)
-{
-	if (   !(p = decode_fh(p, &args->fh))
-	    || !(p = decode_filename(p, &args->name, &args->len)))
-		return 0;
-	p = decode_sattr(p, &args->attrs);
-
-	return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_renameargs(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_renameargs *args)
-{
-	if (!(p = decode_fh(p, &args->ffh))
-	 || !(p = decode_filename(p, &args->fname, &args->flen))
-	 || !(p = decode_fh(p, &args->tfh))
-	 || !(p = decode_filename(p, &args->tname, &args->tlen)))
-		return 0;
-
-	return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p, struct nfsd_readlinkargs *args)
-{
-	if (!(p = decode_fh(p, &args->fh)))
-		return 0;
-	args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused++]);
-
-	return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_linkargs(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_linkargs *args)
-{
-	if (!(p = decode_fh(p, &args->ffh))
-	 || !(p = decode_fh(p, &args->tfh))
-	 || !(p = decode_filename(p, &args->tname, &args->tlen)))
-		return 0;
-
-	return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_symlinkargs(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_symlinkargs *args)
-{
-	if (   !(p = decode_fh(p, &args->ffh))
-	    || !(p = decode_filename(p, &args->fname, &args->flen))
-	    || !(p = decode_pathname(p, &args->tname, &args->tlen)))
-		return 0;
-	p = decode_sattr(p, &args->attrs);
-
-	return xdr_argsize_check(rqstp, p);
-}
-
-int
-nfssvc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_readdirargs *args)
-{
-	if (!(p = decode_fh(p, &args->fh)))
-		return 0;
-	args->cookie = ntohl(*p++);
-	args->count  = ntohl(*p++);
-	if (args->count > PAGE_SIZE)
-		args->count = PAGE_SIZE;
-
-	args->buffer = page_address(rqstp->rq_respages[rqstp->rq_resused++]);
-
-	return xdr_argsize_check(rqstp, p);
-}
-
-/*
- * XDR encode functions
- */
-int
-nfssvc_encode_void(struct svc_rqst *rqstp, __be32 *p, void *dummy)
-{
-	return xdr_ressize_check(rqstp, p);
-}
-
-int
-nfssvc_encode_attrstat(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_attrstat *resp)
-{
-	p = encode_fattr(rqstp, p, &resp->fh, &resp->stat);
-	return xdr_ressize_check(rqstp, p);
-}
-
-int
-nfssvc_encode_diropres(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_diropres *resp)
-{
-	p = encode_fh(p, &resp->fh);
-	p = encode_fattr(rqstp, p, &resp->fh, &resp->stat);
-	return xdr_ressize_check(rqstp, p);
-}
-
-int
-nfssvc_encode_readlinkres(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_readlinkres *resp)
-{
-	*p++ = htonl(resp->len);
-	xdr_ressize_check(rqstp, p);
-	rqstp->rq_res.page_len = resp->len;
-	if (resp->len & 3) {
-		/* need to pad the tail */
-		rqstp->rq_res.tail[0].iov_base = p;
-		*p = 0;
-		rqstp->rq_res.tail[0].iov_len = 4 - (resp->len&3);
-	}
-	return 1;
-}
-
-int
-nfssvc_encode_readres(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_readres *resp)
-{
-	p = encode_fattr(rqstp, p, &resp->fh, &resp->stat);
-	*p++ = htonl(resp->count);
-	xdr_ressize_check(rqstp, p);
-
-	/* now update rqstp->rq_res to reflect data as well */
-	rqstp->rq_res.page_len = resp->count;
-	if (resp->count & 3) {
-		/* need to pad the tail */
-		rqstp->rq_res.tail[0].iov_base = p;
-		*p = 0;
-		rqstp->rq_res.tail[0].iov_len = 4 - (resp->count&3);
-	}
-	return 1;
-}
-
-int
-nfssvc_encode_readdirres(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_readdirres *resp)
-{
-	xdr_ressize_check(rqstp, p);
-	p = resp->buffer;
-	*p++ = 0;			/* no more entries */
-	*p++ = htonl((resp->common.err == nfserr_eof));
-	rqstp->rq_res.page_len = (((unsigned long)p-1) & ~PAGE_MASK)+1;
-
-	return 1;
-}
-
-int
-nfssvc_encode_statfsres(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_statfsres *resp)
-{
-	struct kstatfs	*stat = &resp->stats;
-
-	*p++ = htonl(NFSSVC_MAXBLKSIZE_V2);	/* max transfer size */
-	*p++ = htonl(stat->f_bsize);
-	*p++ = htonl(stat->f_blocks);
-	*p++ = htonl(stat->f_bfree);
-	*p++ = htonl(stat->f_bavail);
-	return xdr_ressize_check(rqstp, p);
-}
-
-int
-nfssvc_encode_entry(void *ccdv, const char *name,
-		    int namlen, loff_t offset, u64 ino, unsigned int d_type)
-{
-	struct readdir_cd *ccd = ccdv;
-	struct nfsd_readdirres *cd = container_of(ccd, struct nfsd_readdirres, common);
-	__be32	*p = cd->buffer;
-	int	buflen, slen;
-
-	/*
-	dprintk("nfsd: entry(%.*s off %ld ino %ld)\n",
-			namlen, name, offset, ino);
-	 */
-
-	if (offset > ~((u32) 0)) {
-		cd->common.err = nfserr_fbig;
-		return -EINVAL;
-	}
-	if (cd->offset)
-		*cd->offset = htonl(offset);
-	if (namlen > NFS2_MAXNAMLEN)
-		namlen = NFS2_MAXNAMLEN;/* truncate filename */
-
-	slen = XDR_QUADLEN(namlen);
-	if ((buflen = cd->buflen - slen - 4) < 0) {
-		cd->common.err = nfserr_toosmall;
-		return -EINVAL;
-	}
-	if (ino > ~((u32) 0)) {
-		cd->common.err = nfserr_fbig;
-		return -EINVAL;
-	}
-	*p++ = xdr_one;				/* mark entry present */
-	*p++ = htonl((u32) ino);		/* file id */
-	p    = xdr_encode_array(p, name, namlen);/* name length & name */
-	cd->offset = p;			/* remember pointer */
-	*p++ = htonl(~0U);		/* offset of next entry */
-
-	cd->buflen = buflen;
-	cd->buffer = p;
-	cd->common.err = nfs_ok;
-	return 0;
-}
-
-/*
- * XDR release functions
- */
-int
-nfssvc_release_fhandle(struct svc_rqst *rqstp, __be32 *p,
-					struct nfsd_fhandle *resp)
-{
-	fh_put(&resp->fh);
-	return 1;
-}