Differential D10439 Diff 29210 head/sys/fs/nfsclient/nfs_clrpcops.c

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head/sys/fs/nfsclient/nfs_clrpcops.c

Show First 20 Lines • Show All 66 Lines • ▼ Show 20 Lines
NFSCLSTATEMUTEX;		NFSCLSTATEMUTEX;
int nfstest_outofseq = 0;		int nfstest_outofseq = 0;
int nfscl_assumeposixlocks = 1;		int nfscl_assumeposixlocks = 1;
int nfscl_enablecallb = 0;		int nfscl_enablecallb = 0;
short nfsv4_cbport = NFSV4_CBPORT;		short nfsv4_cbport = NFSV4_CBPORT;
int nfstest_openallsetattr = 0;		int nfstest_openallsetattr = 0;
#endif /* !APPLEKEXT */		#endif /* !APPLEKEXT */

#define DIRHDSIZ (sizeof (struct dirent) - (MAXNAMLEN + 1))		#define DIRHDSIZ offsetof(struct dirent, d_name)

/*		/*
* nfscl_getsameserver() can return one of three values:		* nfscl_getsameserver() can return one of three values:
* NFSDSP_USETHISSESSION - Use this session for the DS.		* NFSDSP_USETHISSESSION - Use this session for the DS.
* NFSDSP_SEQTHISSESSION - Use the nfsclds_sequence field of this dsp for new		* NFSDSP_SEQTHISSESSION - Use the nfsclds_sequence field of this dsp for new
* session.		* session.
* NFSDSP_NOTFOUND - No matching server was found.		* NFSDSP_NOTFOUND - No matching server was found.
*/		*/
▲ Show 20 Lines • Show All 2,772 Lines • ▼ Show 20 Lines	if (uiop->uio_offset == 0) {
dotdotfileid = dotfileid;		dotdotfileid = dotfileid;
} else {		} else {
error = nd->nd_repstat;		error = nd->nd_repstat;
}		}
mbuf_freem(nd->nd_mrep);		mbuf_freem(nd->nd_mrep);
if (error)		if (error)
return (error);		return (error);
nd->nd_mrep = NULL;		nd->nd_mrep = NULL;
dp = (struct dirent *) CAST_DOWN(caddr_t, uio_iov_base(uiop));		dp = (struct dirent *)uio_iov_base(uiop);
		dp->d_off = 0;
dp->d_type = DT_DIR;		dp->d_type = DT_DIR;
dp->d_fileno = dotfileid;		dp->d_fileno = dotfileid;
dp->d_namlen = 1;		dp->d_namlen = 1;
		((uint64_t )dp->d_name) = 0; /* Zero pad it. */
dp->d_name[0] = '.';		dp->d_name[0] = '.';
dp->d_name[1] = '\0';		dp->d_reclen = _GENERIC_DIRSIZ(dp) + NFSX_HYPER;
dp->d_reclen = DIRENT_SIZE(dp) + NFSX_HYPER;
/*		/*
* Just make these offset cookie 0.		* Just make these offset cookie 0.
*/		*/
tl = (u_int32_t *)&dp->d_name[4];		tl = (u_int32_t *)&dp->d_name[8];
*tl++ = 0;		*tl++ = 0;
*tl = 0;		*tl = 0;
blksiz += dp->d_reclen;		blksiz += dp->d_reclen;
uio_uio_resid_add(uiop, -(dp->d_reclen));		uio_uio_resid_add(uiop, -(dp->d_reclen));
uiop->uio_offset += dp->d_reclen;		uiop->uio_offset += dp->d_reclen;
uio_iov_base_add(uiop, dp->d_reclen);		uio_iov_base_add(uiop, dp->d_reclen);
uio_iov_len_add(uiop, -(dp->d_reclen));		uio_iov_len_add(uiop, -(dp->d_reclen));
dp = (struct dirent *) CAST_DOWN(caddr_t, uio_iov_base(uiop));		dp = (struct dirent *)uio_iov_base(uiop);
		dp->d_off = 0;
dp->d_type = DT_DIR;		dp->d_type = DT_DIR;
dp->d_fileno = dotdotfileid;		dp->d_fileno = dotdotfileid;
dp->d_namlen = 2;		dp->d_namlen = 2;
		((uint64_t )dp->d_name) = 0;
dp->d_name[0] = '.';		dp->d_name[0] = '.';
dp->d_name[1] = '.';		dp->d_name[1] = '.';
dp->d_name[2] = '\0';		dp->d_reclen = _GENERIC_DIRSIZ(dp) + NFSX_HYPER;
dp->d_reclen = DIRENT_SIZE(dp) + NFSX_HYPER;
/*		/*
* Just make these offset cookie 0.		* Just make these offset cookie 0.
*/		*/
tl = (u_int32_t *)&dp->d_name[4];		tl = (u_int32_t *)&dp->d_name[8];
*tl++ = 0;		*tl++ = 0;
*tl = 0;		*tl = 0;
blksiz += dp->d_reclen;		blksiz += dp->d_reclen;
uio_uio_resid_add(uiop, -(dp->d_reclen));		uio_uio_resid_add(uiop, -(dp->d_reclen));
uiop->uio_offset += dp->d_reclen;		uiop->uio_offset += dp->d_reclen;
uio_iov_base_add(uiop, dp->d_reclen);		uio_iov_base_add(uiop, dp->d_reclen);
uio_iov_len_add(uiop, -(dp->d_reclen));		uio_iov_len_add(uiop, -(dp->d_reclen));
}		}
▲ Show 20 Lines • Show All 80 Lines • ▼ Show 20 Lines	while (more_dirs && bigenough) {
nfsva.na_fileid =		nfsva.na_fileid =
fxdr_unsigned(long, *tl++);		fxdr_unsigned(long, *tl++);
len = fxdr_unsigned(int, *tl);		len = fxdr_unsigned(int, *tl);
}		}
if (len <= 0 \|\| len > NFS_MAXNAMLEN) {		if (len <= 0 \|\| len > NFS_MAXNAMLEN) {
error = EBADRPC;		error = EBADRPC;
goto nfsmout;		goto nfsmout;
}		}
tlen = NFSM_RNDUP(len);		tlen = roundup2(len, 8);
if (tlen == len)		if (tlen == len)
tlen += 4; /* To ensure null termination */		tlen += 8; /* To ensure null termination. */
left = DIRBLKSIZ - blksiz;		left = DIRBLKSIZ - blksiz;
if ((int)(tlen + DIRHDSIZ + NFSX_HYPER) > left) {		if (_GENERIC_DIRLEN(len) + NFSX_HYPER > left) {
dp->d_reclen += left;		dp->d_reclen += left;
uio_iov_base_add(uiop, left);		uio_iov_base_add(uiop, left);
uio_iov_len_add(uiop, -(left));		uio_iov_len_add(uiop, -(left));
uio_uio_resid_add(uiop, -(left));		uio_uio_resid_add(uiop, -(left));
uiop->uio_offset += left;		uiop->uio_offset += left;
blksiz = 0;		blksiz = 0;
}		}
if ((int)(tlen + DIRHDSIZ + NFSX_HYPER) > uio_uio_resid(uiop))		if (_GENERIC_DIRLEN(len) + NFSX_HYPER >
		uio_uio_resid(uiop))
bigenough = 0;		bigenough = 0;
if (bigenough) {		if (bigenough) {
dp = (struct dirent *) CAST_DOWN(caddr_t, uio_iov_base(uiop));		dp = (struct dirent *)uio_iov_base(uiop);
		dp->d_off = 0;
dp->d_namlen = len;		dp->d_namlen = len;
dp->d_reclen = tlen + DIRHDSIZ + NFSX_HYPER;		dp->d_reclen = _GENERIC_DIRLEN(len) +
		NFSX_HYPER;
dp->d_type = DT_UNKNOWN;		dp->d_type = DT_UNKNOWN;
blksiz += dp->d_reclen;		blksiz += dp->d_reclen;
if (blksiz == DIRBLKSIZ)		if (blksiz == DIRBLKSIZ)
blksiz = 0;		blksiz = 0;
uio_uio_resid_add(uiop, -(DIRHDSIZ));		uio_uio_resid_add(uiop, -(DIRHDSIZ));
uiop->uio_offset += DIRHDSIZ;		uiop->uio_offset += DIRHDSIZ;
uio_iov_base_add(uiop, DIRHDSIZ);		uio_iov_base_add(uiop, DIRHDSIZ);
uio_iov_len_add(uiop, -(DIRHDSIZ));		uio_iov_len_add(uiop, -(DIRHDSIZ));
error = nfsm_mbufuio(nd, uiop, len);		error = nfsm_mbufuio(nd, uiop, len);
if (error)		if (error)
goto nfsmout;		goto nfsmout;
cp = CAST_DOWN(caddr_t, uio_iov_base(uiop));		cp = uio_iov_base(uiop);
tlen -= len;		tlen -= len;
cp = '\0'; / null terminate */		cp = '\0'; / null terminate */
cp += tlen; /* points to cookie storage */		cp += tlen; /* points to cookie storage */
tl2 = (u_int32_t *)cp;		tl2 = (u_int32_t *)cp;
uio_iov_base_add(uiop, (tlen + NFSX_HYPER));		uio_iov_base_add(uiop, (tlen + NFSX_HYPER));
uio_iov_len_add(uiop, -(tlen + NFSX_HYPER));		uio_iov_len_add(uiop, -(tlen + NFSX_HYPER));
uio_uio_resid_add(uiop, -(tlen + NFSX_HYPER));		uio_uio_resid_add(uiop, -(tlen + NFSX_HYPER));
uiop->uio_offset += (tlen + NFSX_HYPER);		uiop->uio_offset += (tlen + NFSX_HYPER);
▲ Show 20 Lines • Show All 98 Lines • ▼ Show 20 Lines	else if (!bigenough)
*eofp = 0;		*eofp = 0;
else		else
*eofp = eof;		*eofp = eof;
}		}

/*		/*
* Add extra empty records to any remaining DIRBLKSIZ chunks.		* Add extra empty records to any remaining DIRBLKSIZ chunks.
*/		*/
while (uio_uio_resid(uiop) > 0 && ((size_t)(uio_uio_resid(uiop))) != tresid) {		while (uio_uio_resid(uiop) > 0 && uio_uio_resid(uiop) != tresid) {
dp = (struct dirent *) CAST_DOWN(caddr_t, uio_iov_base(uiop));		dp = (struct dirent *)uio_iov_base(uiop);
dp->d_type = DT_UNKNOWN;		dp->d_type = DT_UNKNOWN;
dp->d_fileno = 0;		dp->d_fileno = 0;
dp->d_namlen = 0;		dp->d_namlen = 0;
dp->d_name[0] = '\0';		dp->d_name[0] = '\0';
tl = (u_int32_t *)&dp->d_name[4];		tl = (u_int32_t *)&dp->d_name[4];
*tl++ = cookie.lval[0];		*tl++ = cookie.lval[0];
*tl = cookie.lval[1];		*tl = cookie.lval[1];
dp->d_reclen = DIRBLKSIZ;		dp->d_reclen = DIRBLKSIZ;
▲ Show 20 Lines • Show All 140 Lines • ▼ Show 20 Lines	if (uiop->uio_offset == 0) {
} else {		} else {
error = nd->nd_repstat;		error = nd->nd_repstat;
}		}
mbuf_freem(nd->nd_mrep);		mbuf_freem(nd->nd_mrep);
if (error)		if (error)
return (error);		return (error);
nd->nd_mrep = NULL;		nd->nd_mrep = NULL;
dp = (struct dirent *)uio_iov_base(uiop);		dp = (struct dirent *)uio_iov_base(uiop);
		dp->d_off = 0;
dp->d_type = DT_DIR;		dp->d_type = DT_DIR;
dp->d_fileno = dotfileid;		dp->d_fileno = dotfileid;
dp->d_namlen = 1;		dp->d_namlen = 1;
		((uint64_t )dp->d_name) = 0; /* Zero pad it. */
dp->d_name[0] = '.';		dp->d_name[0] = '.';
dp->d_name[1] = '\0';		dp->d_reclen = _GENERIC_DIRSIZ(dp) + NFSX_HYPER;
dp->d_reclen = DIRENT_SIZE(dp) + NFSX_HYPER;
/*		/*
* Just make these offset cookie 0.		* Just make these offset cookie 0.
*/		*/
tl = (u_int32_t *)&dp->d_name[4];		tl = (u_int32_t *)&dp->d_name[8];
*tl++ = 0;		*tl++ = 0;
*tl = 0;		*tl = 0;
blksiz += dp->d_reclen;		blksiz += dp->d_reclen;
uio_uio_resid_add(uiop, -(dp->d_reclen));		uio_uio_resid_add(uiop, -(dp->d_reclen));
uiop->uio_offset += dp->d_reclen;		uiop->uio_offset += dp->d_reclen;
uio_iov_base_add(uiop, dp->d_reclen);		uio_iov_base_add(uiop, dp->d_reclen);
uio_iov_len_add(uiop, -(dp->d_reclen));		uio_iov_len_add(uiop, -(dp->d_reclen));
dp = (struct dirent *)uio_iov_base(uiop);		dp = (struct dirent *)uio_iov_base(uiop);
		dp->d_off = 0;
dp->d_type = DT_DIR;		dp->d_type = DT_DIR;
dp->d_fileno = dotdotfileid;		dp->d_fileno = dotdotfileid;
dp->d_namlen = 2;		dp->d_namlen = 2;
		((uint64_t )dp->d_name) = 0;
dp->d_name[0] = '.';		dp->d_name[0] = '.';
dp->d_name[1] = '.';		dp->d_name[1] = '.';
dp->d_name[2] = '\0';		dp->d_reclen = _GENERIC_DIRSIZ(dp) + NFSX_HYPER;
dp->d_reclen = DIRENT_SIZE(dp) + NFSX_HYPER;
/*		/*
* Just make these offset cookie 0.		* Just make these offset cookie 0.
*/		*/
tl = (u_int32_t *)&dp->d_name[4];		tl = (u_int32_t *)&dp->d_name[8];
*tl++ = 0;		*tl++ = 0;
*tl = 0;		*tl = 0;
blksiz += dp->d_reclen;		blksiz += dp->d_reclen;
uio_uio_resid_add(uiop, -(dp->d_reclen));		uio_uio_resid_add(uiop, -(dp->d_reclen));
uiop->uio_offset += dp->d_reclen;		uiop->uio_offset += dp->d_reclen;
uio_iov_base_add(uiop, dp->d_reclen);		uio_iov_base_add(uiop, dp->d_reclen);
uio_iov_len_add(uiop, -(dp->d_reclen));		uio_iov_len_add(uiop, -(dp->d_reclen));
}		}
▲ Show 20 Lines • Show All 61 Lines • ▼ Show 20 Lines	while (more_dirs && bigenough) {
fileno = fxdr_unsigned(long, *++tl);		fileno = fxdr_unsigned(long, *++tl);
tl++;		tl++;
}		}
len = fxdr_unsigned(int, *tl);		len = fxdr_unsigned(int, *tl);
if (len <= 0 \|\| len > NFS_MAXNAMLEN) {		if (len <= 0 \|\| len > NFS_MAXNAMLEN) {
error = EBADRPC;		error = EBADRPC;
goto nfsmout;		goto nfsmout;
}		}
tlen = NFSM_RNDUP(len);		tlen = roundup2(len, 8);
if (tlen == len)		if (tlen == len)
tlen += 4; /* To ensure null termination */		tlen += 8; /* To ensure null termination. */
left = DIRBLKSIZ - blksiz;		left = DIRBLKSIZ - blksiz;
if ((tlen + DIRHDSIZ + NFSX_HYPER) > left) {		if (_GENERIC_DIRLEN(len) + NFSX_HYPER > left) {
dp->d_reclen += left;		dp->d_reclen += left;
uio_iov_base_add(uiop, left);		uio_iov_base_add(uiop, left);
uio_iov_len_add(uiop, -(left));		uio_iov_len_add(uiop, -(left));
uio_uio_resid_add(uiop, -(left));		uio_uio_resid_add(uiop, -(left));
uiop->uio_offset += left;		uiop->uio_offset += left;
blksiz = 0;		blksiz = 0;
}		}
if ((tlen + DIRHDSIZ + NFSX_HYPER) > uio_uio_resid(uiop))		if (_GENERIC_DIRLEN(len) + NFSX_HYPER >
		uio_uio_resid(uiop))
bigenough = 0;		bigenough = 0;
if (bigenough) {		if (bigenough) {
dp = (struct dirent *)uio_iov_base(uiop);		dp = (struct dirent *)uio_iov_base(uiop);
		dp->d_off = 0;
dp->d_namlen = len;		dp->d_namlen = len;
dp->d_reclen = tlen + DIRHDSIZ + NFSX_HYPER;		dp->d_reclen = _GENERIC_DIRLEN(len) +
		NFSX_HYPER;
dp->d_type = DT_UNKNOWN;		dp->d_type = DT_UNKNOWN;
blksiz += dp->d_reclen;		blksiz += dp->d_reclen;
if (blksiz == DIRBLKSIZ)		if (blksiz == DIRBLKSIZ)
blksiz = 0;		blksiz = 0;
uio_uio_resid_add(uiop, -(DIRHDSIZ));		uio_uio_resid_add(uiop, -(DIRHDSIZ));
uiop->uio_offset += DIRHDSIZ;		uiop->uio_offset += DIRHDSIZ;
uio_iov_base_add(uiop, DIRHDSIZ);		uio_iov_base_add(uiop, DIRHDSIZ);
uio_iov_len_add(uiop, -(DIRHDSIZ));		uio_iov_len_add(uiop, -(DIRHDSIZ));
▲ Show 20 Lines • Show All 2,582 Lines • Show Last 20 Lines