Differential D24811 Diff 71647 sys/fs/nfsserver/nfs_nfsdsubs.c

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sys/fs/nfsserver/nfs_nfsdsubs.c

Show First 20 Lines • Show All 1,265 Lines • ▼ Show 20 Lines	static short *nfsrv_v4errmap[] = {
nfsv4err_write,		nfsv4err_write,
nfsv4err_releaselockowner,		nfsv4err_releaselockowner,
};		};

/*		/*
* A fiddled version of m_adj() that ensures null fill to a long		* A fiddled version of m_adj() that ensures null fill to a long
* boundary and only trims off the back end		* boundary and only trims off the back end
*/		*/
APPLESTATIC void		void
nfsrv_adj(struct mbuf *mp, int len, int nul)		nfsrv_adj(struct mbuf *mp, int len, int nul)
{		{
struct mbuf *m;		struct mbuf *m;
int count, i;		int count, i;
char *cp;		char *cp;

/*		/*
* Trim from tail. Scan the mbuf chain,		* Trim from tail. Scan the mbuf chain,
▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Lines	nfsrv_adj(struct mbuf *mp, int len, int nul)
for (m = m->m_next; m; m = m->m_next)		for (m = m->m_next; m; m = m->m_next)
m->m_len = 0;		m->m_len = 0;
}		}

/*		/*
* Make these functions instead of macros, so that the kernel text size		* Make these functions instead of macros, so that the kernel text size
* doesn't get too big...		* doesn't get too big...
*/		*/
APPLESTATIC void		void
nfsrv_wcc(struct nfsrv_descript *nd, int before_ret,		nfsrv_wcc(struct nfsrv_descript *nd, int before_ret,
struct nfsvattr before_nvap, int after_ret, struct nfsvattr after_nvap)		struct nfsvattr before_nvap, int after_ret, struct nfsvattr after_nvap)
{		{
u_int32_t *tl;		u_int32_t *tl;

if (before_ret) {		if (before_ret) {
NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
*tl = newnfs_false;		*tl = newnfs_false;
} else {		} else {
NFSM_BUILD(tl, u_int32_t , 7 NFSX_UNSIGNED);		NFSM_BUILD(tl, u_int32_t , 7 NFSX_UNSIGNED);
*tl++ = newnfs_true;		*tl++ = newnfs_true;
txdr_hyper(before_nvap->na_size, tl);		txdr_hyper(before_nvap->na_size, tl);
tl += 2;		tl += 2;
txdr_nfsv3time(&(before_nvap->na_mtime), tl);		txdr_nfsv3time(&(before_nvap->na_mtime), tl);
tl += 2;		tl += 2;
txdr_nfsv3time(&(before_nvap->na_ctime), tl);		txdr_nfsv3time(&(before_nvap->na_ctime), tl);
}		}
nfsrv_postopattr(nd, after_ret, after_nvap);		nfsrv_postopattr(nd, after_ret, after_nvap);
}		}

APPLESTATIC void		void
nfsrv_postopattr(struct nfsrv_descript *nd, int after_ret,		nfsrv_postopattr(struct nfsrv_descript *nd, int after_ret,
struct nfsvattr *after_nvap)		struct nfsvattr *after_nvap)
{		{
u_int32_t *tl;		u_int32_t *tl;

NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);		NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED);
if (after_ret)		if (after_ret)
*tl = newnfs_false;		*tl = newnfs_false;
else {		else {
*tl = newnfs_true;		*tl = newnfs_true;
nfsrv_fillattr(nd, after_nvap);		nfsrv_fillattr(nd, after_nvap);
}		}
}		}

/*		/*
* Fill in file attributes for V2 and 3. For V4, call a separate		* Fill in file attributes for V2 and 3. For V4, call a separate
* routine that sifts through all the attribute bits.		* routine that sifts through all the attribute bits.
*/		*/
APPLESTATIC void		void
nfsrv_fillattr(struct nfsrv_descript nd, struct nfsvattr nvap)		nfsrv_fillattr(struct nfsrv_descript nd, struct nfsvattr nvap)
{		{
struct nfs_fattr *fp;		struct nfs_fattr *fp;
int fattr_size;		int fattr_size;

/*		/*
* Build space for the attribute structure.		* Build space for the attribute structure.
*/		*/
▲ Show 20 Lines • Show All 42 Lines • ▼ Show 20 Lines

/*		/*
* This function gets a file handle out of an mbuf list.		* This function gets a file handle out of an mbuf list.
* It returns 0 for success, EBADRPC otherwise.		* It returns 0 for success, EBADRPC otherwise.
* If sets the third flagp argument to 1 if the file handle is		* If sets the third flagp argument to 1 if the file handle is
* the public file handle.		* the public file handle.
* For NFSv4, if the length is incorrect, set nd_repstat == NFSERR_BADHANDLE		* For NFSv4, if the length is incorrect, set nd_repstat == NFSERR_BADHANDLE
*/		*/
APPLESTATIC int		int
nfsrv_mtofh(struct nfsrv_descript nd, struct nfsrvfh fhp)		nfsrv_mtofh(struct nfsrv_descript nd, struct nfsrvfh fhp)
{		{
u_int32_t *tl;		u_int32_t *tl;
int error = 0, len, copylen;		int error = 0, len, copylen;

if (nd->nd_flag & (ND_NFSV3 \| ND_NFSV4)) {		if (nd->nd_flag & (ND_NFSV3 \| ND_NFSV4)) {
NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);		NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED);
len = fxdr_unsigned(int, *tl);		len = fxdr_unsigned(int, *tl);
▲ Show 20 Lines • Show All 52 Lines • ▼ Show 20 Lines
/*		/*
* Map errnos to NFS error numbers. For Version 3 and 4 also filter out error		* Map errnos to NFS error numbers. For Version 3 and 4 also filter out error
* numbers not specified for the associated procedure.		* numbers not specified for the associated procedure.
* NFSPROC_NOOP is a special case, where the high order bits of nd_repstat		* NFSPROC_NOOP is a special case, where the high order bits of nd_repstat
* should be cleared. NFSPROC_NOOP is used to return errors when a valid		* should be cleared. NFSPROC_NOOP is used to return errors when a valid
* RPC procedure is not involved.		* RPC procedure is not involved.
* Returns the error number in XDR.		* Returns the error number in XDR.
*/		*/
APPLESTATIC int		int
nfsd_errmap(struct nfsrv_descript *nd)		nfsd_errmap(struct nfsrv_descript *nd)
{		{
short defaulterrp, errp;		short defaulterrp, errp;

if (!nd->nd_repstat)		if (!nd->nd_repstat)
return (0);		return (0);
if (nd->nd_flag & (ND_NFSV3 \| ND_NFSV4)) {		if (nd->nd_flag & (ND_NFSV3 \| ND_NFSV4)) {
if (nd->nd_procnum == NFSPROC_NOOP)		if (nd->nd_procnum == NFSPROC_NOOP)
Show All 39 Lines	nfsrv_isannfserr(u_int32_t errval)
return (NFSERR_IO);		return (NFSERR_IO);
}		}

/*		/*
* Check to see if setting a uid/gid is permitted when creating a new		* Check to see if setting a uid/gid is permitted when creating a new
* file object. (Called when uid and/or gid is specified in the		* file object. (Called when uid and/or gid is specified in the
* settable attributes for V4.		* settable attributes for V4.
*/		*/
APPLESTATIC int		int
nfsrv_checkuidgid(struct nfsrv_descript nd, struct nfsvattr nvap)		nfsrv_checkuidgid(struct nfsrv_descript nd, struct nfsvattr nvap)
{		{
int error = 0;		int error = 0;

/*		/*
* If not setting either uid nor gid, it's OK.		* If not setting either uid nor gid, it's OK.
*/		*/
if (NFSVNO_NOTSETUID(nvap) && NFSVNO_NOTSETGID(nvap))		if (NFSVNO_NOTSETUID(nvap) && NFSVNO_NOTSETGID(nvap))
Show All 16 Lines	out:
NFSEXITCODE2(error, nd);		NFSEXITCODE2(error, nd);
return (error);		return (error);
}		}

/*		/*
* and this routine fixes up the settable attributes for V4 if allowed		* and this routine fixes up the settable attributes for V4 if allowed
* by nfsrv_checkuidgid().		* by nfsrv_checkuidgid().
*/		*/
APPLESTATIC void		void
nfsrv_fixattr(struct nfsrv_descript *nd, vnode_t vp,		nfsrv_fixattr(struct nfsrv_descript *nd, vnode_t vp,
struct nfsvattr nvap, NFSACL_T aclp, NFSPROC_T p, nfsattrbit_t attrbitp,		struct nfsvattr nvap, NFSACL_T aclp, NFSPROC_T p, nfsattrbit_t attrbitp,
struct nfsexstuff *exp)		struct nfsexstuff *exp)
{		{
int change = 0;		int change = 0;
struct nfsvattr nva;		struct nfsvattr nva;
uid_t tuid;		uid_t tuid;
int error;		int error;
▲ Show 20 Lines • Show All 91 Lines • ▼ Show 20 Lines	nfsrv_hexdigit(char c, int *err)
*err = 1;		*err = 1;
return (1); /* BOGUS */		return (1); /* BOGUS */
}		}

/*		/*
* Check to see if NFSERR_MOVED can be returned for this op. Return 1 iff		* Check to see if NFSERR_MOVED can be returned for this op. Return 1 iff
* it can be.		* it can be.
*/		*/
APPLESTATIC int		int
nfsrv_errmoved(int op)		nfsrv_errmoved(int op)
{		{
short *errp;		short *errp;

errp = nfsrv_v4errmap[op];		errp = nfsrv_v4errmap[op];
while (*errp != 0) {		while (*errp != 0) {
if (*errp == NFSERR_MOVED)		if (*errp == NFSERR_MOVED)
return (1);		return (1);
errp++;		errp++;
}		}
return (0);		return (0);
}		}

/*		/*
* Fill in attributes for a Referral.		* Fill in attributes for a Referral.
* (Return the number of bytes of XDR created.)		* (Return the number of bytes of XDR created.)
*/		*/
APPLESTATIC int		int
nfsrv_putreferralattr(struct nfsrv_descript nd, nfsattrbit_t retbitp,		nfsrv_putreferralattr(struct nfsrv_descript nd, nfsattrbit_t retbitp,
struct nfsreferral refp, int getattr, int reterrp)		struct nfsreferral refp, int getattr, int reterrp)
{		{
u_int32_t tl, retnump;		u_int32_t tl, retnump;
u_char cp, cp2;		u_char cp, cp2;
int prefixnum, retnum = 0, i, len, bitpos, rderrbit = 0, nonrefbit = 0;		int prefixnum, retnum = 0, i, len, bitpos, rderrbit = 0, nonrefbit = 0;
int fslocationsbit = 0;		int fslocationsbit = 0;
nfsattrbit_t tmpbits, refbits;		nfsattrbit_t tmpbits, refbits;
▲ Show 20 Lines • Show All 101 Lines • ▼ Show 20 Lines	nfsrv_putreferralattr(struct nfsrv_descript nd, nfsattrbit_t retbitp,
}		}
*retnump = txdr_unsigned(retnum);		*retnump = txdr_unsigned(retnum);
return (retnum + prefixnum);		return (retnum + prefixnum);
}		}

/*		/*
* Parse a file name out of a request.		* Parse a file name out of a request.
*/		*/
APPLESTATIC int		int
nfsrv_parsename(struct nfsrv_descript nd, char bufp, u_long *hashp,		nfsrv_parsename(struct nfsrv_descript nd, char bufp, u_long *hashp,
NFSPATHLEN_T *outlenp)		NFSPATHLEN_T *outlenp)
{		{
char fromcp, tocp, val = '\0';		char fromcp, tocp, val = '\0';
struct mbuf *md;		struct mbuf *md;
int i;		int i;
int rem, len, error = 0, pubtype = 0, outlen = 0, percent = 0;		int rem, len, error = 0, pubtype = 0, outlen = 0, percent = 0;
char digit;		char digit;
▲ Show 20 Lines • Show All 290 Lines • Show Last 20 Lines