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Diffstat (limited to 'fs/nfsd/vfs.c')
-rw-r--r--fs/nfsd/vfs.c115
1 files changed, 59 insertions, 56 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index a3a291f771f4..5e05ddda4560 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -144,7 +144,7 @@ nfsd_lookup_dentry(struct svc_rqst *rqstp, struct svc_fh *fhp,
144 dprintk("nfsd: nfsd_lookup(fh %s, %.*s)\n", SVCFH_fmt(fhp), len,name); 144 dprintk("nfsd: nfsd_lookup(fh %s, %.*s)\n", SVCFH_fmt(fhp), len,name);
145 145
146 /* Obtain dentry and export. */ 146 /* Obtain dentry and export. */
147 err = fh_verify(rqstp, fhp, S_IFDIR, MAY_EXEC); 147 err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_EXEC);
148 if (err) 148 if (err)
149 return err; 149 return err;
150 150
@@ -262,14 +262,14 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
262{ 262{
263 struct dentry *dentry; 263 struct dentry *dentry;
264 struct inode *inode; 264 struct inode *inode;
265 int accmode = MAY_SATTR; 265 int accmode = NFSD_MAY_SATTR;
266 int ftype = 0; 266 int ftype = 0;
267 __be32 err; 267 __be32 err;
268 int host_err; 268 int host_err;
269 int size_change = 0; 269 int size_change = 0;
270 270
271 if (iap->ia_valid & (ATTR_ATIME | ATTR_MTIME | ATTR_SIZE)) 271 if (iap->ia_valid & (ATTR_ATIME | ATTR_MTIME | ATTR_SIZE))
272 accmode |= MAY_WRITE|MAY_OWNER_OVERRIDE; 272 accmode |= NFSD_MAY_WRITE|NFSD_MAY_OWNER_OVERRIDE;
273 if (iap->ia_valid & ATTR_SIZE) 273 if (iap->ia_valid & ATTR_SIZE)
274 ftype = S_IFREG; 274 ftype = S_IFREG;
275 275
@@ -331,7 +331,8 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
331 */ 331 */
332 if (iap->ia_valid & ATTR_SIZE) { 332 if (iap->ia_valid & ATTR_SIZE) {
333 if (iap->ia_size < inode->i_size) { 333 if (iap->ia_size < inode->i_size) {
334 err = nfsd_permission(rqstp, fhp->fh_export, dentry, MAY_TRUNC|MAY_OWNER_OVERRIDE); 334 err = nfsd_permission(rqstp, fhp->fh_export, dentry,
335 NFSD_MAY_TRUNC|NFSD_MAY_OWNER_OVERRIDE);
335 if (err) 336 if (err)
336 goto out; 337 goto out;
337 } 338 }
@@ -462,7 +463,7 @@ nfsd4_set_nfs4_acl(struct svc_rqst *rqstp, struct svc_fh *fhp,
462 unsigned int flags = 0; 463 unsigned int flags = 0;
463 464
464 /* Get inode */ 465 /* Get inode */
465 error = fh_verify(rqstp, fhp, 0 /* S_IFREG */, MAY_SATTR); 466 error = fh_verify(rqstp, fhp, 0 /* S_IFREG */, NFSD_MAY_SATTR);
466 if (error) 467 if (error)
467 return error; 468 return error;
468 469
@@ -563,20 +564,20 @@ struct accessmap {
563 int how; 564 int how;
564}; 565};
565static struct accessmap nfs3_regaccess[] = { 566static struct accessmap nfs3_regaccess[] = {
566 { NFS3_ACCESS_READ, MAY_READ }, 567 { NFS3_ACCESS_READ, NFSD_MAY_READ },
567 { NFS3_ACCESS_EXECUTE, MAY_EXEC }, 568 { NFS3_ACCESS_EXECUTE, NFSD_MAY_EXEC },
568 { NFS3_ACCESS_MODIFY, MAY_WRITE|MAY_TRUNC }, 569 { NFS3_ACCESS_MODIFY, NFSD_MAY_WRITE|NFSD_MAY_TRUNC },
569 { NFS3_ACCESS_EXTEND, MAY_WRITE }, 570 { NFS3_ACCESS_EXTEND, NFSD_MAY_WRITE },
570 571
571 { 0, 0 } 572 { 0, 0 }
572}; 573};
573 574
574static struct accessmap nfs3_diraccess[] = { 575static struct accessmap nfs3_diraccess[] = {
575 { NFS3_ACCESS_READ, MAY_READ }, 576 { NFS3_ACCESS_READ, NFSD_MAY_READ },
576 { NFS3_ACCESS_LOOKUP, MAY_EXEC }, 577 { NFS3_ACCESS_LOOKUP, NFSD_MAY_EXEC },
577 { NFS3_ACCESS_MODIFY, MAY_EXEC|MAY_WRITE|MAY_TRUNC }, 578 { NFS3_ACCESS_MODIFY, NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC},
578 { NFS3_ACCESS_EXTEND, MAY_EXEC|MAY_WRITE }, 579 { NFS3_ACCESS_EXTEND, NFSD_MAY_EXEC|NFSD_MAY_WRITE },
579 { NFS3_ACCESS_DELETE, MAY_REMOVE }, 580 { NFS3_ACCESS_DELETE, NFSD_MAY_REMOVE },
580 581
581 { 0, 0 } 582 { 0, 0 }
582}; 583};
@@ -589,10 +590,10 @@ static struct accessmap nfs3_anyaccess[] = {
589 * mainly at mode bits, and we make sure to ignore read-only 590 * mainly at mode bits, and we make sure to ignore read-only
590 * filesystem checks 591 * filesystem checks
591 */ 592 */
592 { NFS3_ACCESS_READ, MAY_READ }, 593 { NFS3_ACCESS_READ, NFSD_MAY_READ },
593 { NFS3_ACCESS_EXECUTE, MAY_EXEC }, 594 { NFS3_ACCESS_EXECUTE, NFSD_MAY_EXEC },
594 { NFS3_ACCESS_MODIFY, MAY_WRITE|MAY_LOCAL_ACCESS }, 595 { NFS3_ACCESS_MODIFY, NFSD_MAY_WRITE|NFSD_MAY_LOCAL_ACCESS },
595 { NFS3_ACCESS_EXTEND, MAY_WRITE|MAY_LOCAL_ACCESS }, 596 { NFS3_ACCESS_EXTEND, NFSD_MAY_WRITE|NFSD_MAY_LOCAL_ACCESS },
596 597
597 { 0, 0 } 598 { 0, 0 }
598}; 599};
@@ -606,7 +607,7 @@ nfsd_access(struct svc_rqst *rqstp, struct svc_fh *fhp, u32 *access, u32 *suppor
606 u32 query, result = 0, sresult = 0; 607 u32 query, result = 0, sresult = 0;
607 __be32 error; 608 __be32 error;
608 609
609 error = fh_verify(rqstp, fhp, 0, MAY_NOP); 610 error = fh_verify(rqstp, fhp, 0, NFSD_MAY_NOP);
610 if (error) 611 if (error)
611 goto out; 612 goto out;
612 613
@@ -678,7 +679,7 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
678 * and (hopefully) checked permission - so allow OWNER_OVERRIDE 679 * and (hopefully) checked permission - so allow OWNER_OVERRIDE
679 * in case a chmod has now revoked permission. 680 * in case a chmod has now revoked permission.
680 */ 681 */
681 err = fh_verify(rqstp, fhp, type, access | MAY_OWNER_OVERRIDE); 682 err = fh_verify(rqstp, fhp, type, access | NFSD_MAY_OWNER_OVERRIDE);
682 if (err) 683 if (err)
683 goto out; 684 goto out;
684 685
@@ -689,7 +690,7 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
689 * or any access when mandatory locking enabled 690 * or any access when mandatory locking enabled
690 */ 691 */
691 err = nfserr_perm; 692 err = nfserr_perm;
692 if (IS_APPEND(inode) && (access & MAY_WRITE)) 693 if (IS_APPEND(inode) && (access & NFSD_MAY_WRITE))
693 goto out; 694 goto out;
694 /* 695 /*
695 * We must ignore files (but only files) which might have mandatory 696 * We must ignore files (but only files) which might have mandatory
@@ -706,14 +707,14 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
706 * Check to see if there are any leases on this file. 707 * Check to see if there are any leases on this file.
707 * This may block while leases are broken. 708 * This may block while leases are broken.
708 */ 709 */
709 host_err = break_lease(inode, O_NONBLOCK | ((access & MAY_WRITE) ? FMODE_WRITE : 0)); 710 host_err = break_lease(inode, O_NONBLOCK | ((access & NFSD_MAY_WRITE) ? FMODE_WRITE : 0));
710 if (host_err == -EWOULDBLOCK) 711 if (host_err == -EWOULDBLOCK)
711 host_err = -ETIMEDOUT; 712 host_err = -ETIMEDOUT;
712 if (host_err) /* NOMEM or WOULDBLOCK */ 713 if (host_err) /* NOMEM or WOULDBLOCK */
713 goto out_nfserr; 714 goto out_nfserr;
714 715
715 if (access & MAY_WRITE) { 716 if (access & NFSD_MAY_WRITE) {
716 if (access & MAY_READ) 717 if (access & NFSD_MAY_READ)
717 flags = O_RDWR|O_LARGEFILE; 718 flags = O_RDWR|O_LARGEFILE;
718 else 719 else
719 flags = O_WRONLY|O_LARGEFILE; 720 flags = O_WRONLY|O_LARGEFILE;
@@ -1069,12 +1070,12 @@ nfsd_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
1069 1070
1070 if (file) { 1071 if (file) {
1071 err = nfsd_permission(rqstp, fhp->fh_export, fhp->fh_dentry, 1072 err = nfsd_permission(rqstp, fhp->fh_export, fhp->fh_dentry,
1072 MAY_READ|MAY_OWNER_OVERRIDE); 1073 NFSD_MAY_READ|NFSD_MAY_OWNER_OVERRIDE);
1073 if (err) 1074 if (err)
1074 goto out; 1075 goto out;
1075 err = nfsd_vfs_read(rqstp, fhp, file, offset, vec, vlen, count); 1076 err = nfsd_vfs_read(rqstp, fhp, file, offset, vec, vlen, count);
1076 } else { 1077 } else {
1077 err = nfsd_open(rqstp, fhp, S_IFREG, MAY_READ, &file); 1078 err = nfsd_open(rqstp, fhp, S_IFREG, NFSD_MAY_READ, &file);
1078 if (err) 1079 if (err)
1079 goto out; 1080 goto out;
1080 err = nfsd_vfs_read(rqstp, fhp, file, offset, vec, vlen, count); 1081 err = nfsd_vfs_read(rqstp, fhp, file, offset, vec, vlen, count);
@@ -1098,13 +1099,13 @@ nfsd_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
1098 1099
1099 if (file) { 1100 if (file) {
1100 err = nfsd_permission(rqstp, fhp->fh_export, fhp->fh_dentry, 1101 err = nfsd_permission(rqstp, fhp->fh_export, fhp->fh_dentry,
1101 MAY_WRITE|MAY_OWNER_OVERRIDE); 1102 NFSD_MAY_WRITE|NFSD_MAY_OWNER_OVERRIDE);
1102 if (err) 1103 if (err)
1103 goto out; 1104 goto out;
1104 err = nfsd_vfs_write(rqstp, fhp, file, offset, vec, vlen, cnt, 1105 err = nfsd_vfs_write(rqstp, fhp, file, offset, vec, vlen, cnt,
1105 stablep); 1106 stablep);
1106 } else { 1107 } else {
1107 err = nfsd_open(rqstp, fhp, S_IFREG, MAY_WRITE, &file); 1108 err = nfsd_open(rqstp, fhp, S_IFREG, NFSD_MAY_WRITE, &file);
1108 if (err) 1109 if (err)
1109 goto out; 1110 goto out;
1110 1111
@@ -1136,7 +1137,8 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp,
1136 if ((u64)count > ~(u64)offset) 1137 if ((u64)count > ~(u64)offset)
1137 return nfserr_inval; 1138 return nfserr_inval;
1138 1139
1139 if ((err = nfsd_open(rqstp, fhp, S_IFREG, MAY_WRITE, &file)) != 0) 1140 err = nfsd_open(rqstp, fhp, S_IFREG, NFSD_MAY_WRITE, &file);
1141 if (err)
1140 return err; 1142 return err;
1141 if (EX_ISSYNC(fhp->fh_export)) { 1143 if (EX_ISSYNC(fhp->fh_export)) {
1142 if (file->f_op && file->f_op->fsync) { 1144 if (file->f_op && file->f_op->fsync) {
@@ -1197,7 +1199,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
1197 if (isdotent(fname, flen)) 1199 if (isdotent(fname, flen))
1198 goto out; 1200 goto out;
1199 1201
1200 err = fh_verify(rqstp, fhp, S_IFDIR, MAY_CREATE); 1202 err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_CREATE);
1201 if (err) 1203 if (err)
1202 goto out; 1204 goto out;
1203 1205
@@ -1334,7 +1336,7 @@ nfsd_create_v3(struct svc_rqst *rqstp, struct svc_fh *fhp,
1334 goto out; 1336 goto out;
1335 if (!(iap->ia_valid & ATTR_MODE)) 1337 if (!(iap->ia_valid & ATTR_MODE))
1336 iap->ia_mode = 0; 1338 iap->ia_mode = 0;
1337 err = fh_verify(rqstp, fhp, S_IFDIR, MAY_CREATE); 1339 err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_CREATE);
1338 if (err) 1340 if (err)
1339 goto out; 1341 goto out;
1340 1342
@@ -1471,7 +1473,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp)
1471 __be32 err; 1473 __be32 err;
1472 int host_err; 1474 int host_err;
1473 1475
1474 err = fh_verify(rqstp, fhp, S_IFLNK, MAY_NOP); 1476 err = fh_verify(rqstp, fhp, S_IFLNK, NFSD_MAY_NOP);
1475 if (err) 1477 if (err)
1476 goto out; 1478 goto out;
1477 1479
@@ -1526,7 +1528,7 @@ nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp,
1526 if (isdotent(fname, flen)) 1528 if (isdotent(fname, flen))
1527 goto out; 1529 goto out;
1528 1530
1529 err = fh_verify(rqstp, fhp, S_IFDIR, MAY_CREATE); 1531 err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_CREATE);
1530 if (err) 1532 if (err)
1531 goto out; 1533 goto out;
1532 fh_lock(fhp); 1534 fh_lock(fhp);
@@ -1591,10 +1593,10 @@ nfsd_link(struct svc_rqst *rqstp, struct svc_fh *ffhp,
1591 __be32 err; 1593 __be32 err;
1592 int host_err; 1594 int host_err;
1593 1595
1594 err = fh_verify(rqstp, ffhp, S_IFDIR, MAY_CREATE); 1596 err = fh_verify(rqstp, ffhp, S_IFDIR, NFSD_MAY_CREATE);
1595 if (err) 1597 if (err)
1596 goto out; 1598 goto out;
1597 err = fh_verify(rqstp, tfhp, -S_IFDIR, MAY_NOP); 1599 err = fh_verify(rqstp, tfhp, -S_IFDIR, NFSD_MAY_NOP);
1598 if (err) 1600 if (err)
1599 goto out; 1601 goto out;
1600 1602
@@ -1661,10 +1663,10 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen,
1661 __be32 err; 1663 __be32 err;
1662 int host_err; 1664 int host_err;
1663 1665
1664 err = fh_verify(rqstp, ffhp, S_IFDIR, MAY_REMOVE); 1666 err = fh_verify(rqstp, ffhp, S_IFDIR, NFSD_MAY_REMOVE);
1665 if (err) 1667 if (err)
1666 goto out; 1668 goto out;
1667 err = fh_verify(rqstp, tfhp, S_IFDIR, MAY_CREATE); 1669 err = fh_verify(rqstp, tfhp, S_IFDIR, NFSD_MAY_CREATE);
1668 if (err) 1670 if (err)
1669 goto out; 1671 goto out;
1670 1672
@@ -1768,7 +1770,7 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
1768 err = nfserr_acces; 1770 err = nfserr_acces;
1769 if (!flen || isdotent(fname, flen)) 1771 if (!flen || isdotent(fname, flen))
1770 goto out; 1772 goto out;
1771 err = fh_verify(rqstp, fhp, S_IFDIR, MAY_REMOVE); 1773 err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_REMOVE);
1772 if (err) 1774 if (err)
1773 goto out; 1775 goto out;
1774 1776
@@ -1834,7 +1836,7 @@ nfsd_readdir(struct svc_rqst *rqstp, struct svc_fh *fhp, loff_t *offsetp,
1834 struct file *file; 1836 struct file *file;
1835 loff_t offset = *offsetp; 1837 loff_t offset = *offsetp;
1836 1838
1837 err = nfsd_open(rqstp, fhp, S_IFDIR, MAY_READ, &file); 1839 err = nfsd_open(rqstp, fhp, S_IFDIR, NFSD_MAY_READ, &file);
1838 if (err) 1840 if (err)
1839 goto out; 1841 goto out;
1840 1842
@@ -1875,7 +1877,7 @@ out:
1875__be32 1877__be32
1876nfsd_statfs(struct svc_rqst *rqstp, struct svc_fh *fhp, struct kstatfs *stat) 1878nfsd_statfs(struct svc_rqst *rqstp, struct svc_fh *fhp, struct kstatfs *stat)
1877{ 1879{
1878 __be32 err = fh_verify(rqstp, fhp, 0, MAY_NOP); 1880 __be32 err = fh_verify(rqstp, fhp, 0, NFSD_MAY_NOP);
1879 if (!err && vfs_statfs(fhp->fh_dentry,stat)) 1881 if (!err && vfs_statfs(fhp->fh_dentry,stat))
1880 err = nfserr_io; 1882 err = nfserr_io;
1881 return err; 1883 return err;
@@ -1896,18 +1898,18 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
1896 struct inode *inode = dentry->d_inode; 1898 struct inode *inode = dentry->d_inode;
1897 int err; 1899 int err;
1898 1900
1899 if (acc == MAY_NOP) 1901 if (acc == NFSD_MAY_NOP)
1900 return 0; 1902 return 0;
1901#if 0 1903#if 0
1902 dprintk("nfsd: permission 0x%x%s%s%s%s%s%s%s mode 0%o%s%s%s\n", 1904 dprintk("nfsd: permission 0x%x%s%s%s%s%s%s%s mode 0%o%s%s%s\n",
1903 acc, 1905 acc,
1904 (acc & MAY_READ)? " read" : "", 1906 (acc & NFSD_MAY_READ)? " read" : "",
1905 (acc & MAY_WRITE)? " write" : "", 1907 (acc & NFSD_MAY_WRITE)? " write" : "",
1906 (acc & MAY_EXEC)? " exec" : "", 1908 (acc & NFSD_MAY_EXEC)? " exec" : "",
1907 (acc & MAY_SATTR)? " sattr" : "", 1909 (acc & NFSD_MAY_SATTR)? " sattr" : "",
1908 (acc & MAY_TRUNC)? " trunc" : "", 1910 (acc & NFSD_MAY_TRUNC)? " trunc" : "",
1909 (acc & MAY_LOCK)? " lock" : "", 1911 (acc & NFSD_MAY_LOCK)? " lock" : "",
1910 (acc & MAY_OWNER_OVERRIDE)? " owneroverride" : "", 1912 (acc & NFSD_MAY_OWNER_OVERRIDE)? " owneroverride" : "",
1911 inode->i_mode, 1913 inode->i_mode,
1912 IS_IMMUTABLE(inode)? " immut" : "", 1914 IS_IMMUTABLE(inode)? " immut" : "",
1913 IS_APPEND(inode)? " append" : "", 1915 IS_APPEND(inode)? " append" : "",
@@ -1920,18 +1922,18 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
1920 * system. But if it is IRIX doing check on write-access for a 1922 * system. But if it is IRIX doing check on write-access for a
1921 * device special file, we ignore rofs. 1923 * device special file, we ignore rofs.
1922 */ 1924 */
1923 if (!(acc & MAY_LOCAL_ACCESS)) 1925 if (!(acc & NFSD_MAY_LOCAL_ACCESS))
1924 if (acc & (MAY_WRITE | MAY_SATTR | MAY_TRUNC)) { 1926 if (acc & (NFSD_MAY_WRITE | NFSD_MAY_SATTR | NFSD_MAY_TRUNC)) {
1925 if (exp_rdonly(rqstp, exp) || 1927 if (exp_rdonly(rqstp, exp) ||
1926 __mnt_is_readonly(exp->ex_path.mnt)) 1928 __mnt_is_readonly(exp->ex_path.mnt))
1927 return nfserr_rofs; 1929 return nfserr_rofs;
1928 if (/* (acc & MAY_WRITE) && */ IS_IMMUTABLE(inode)) 1930 if (/* (acc & NFSD_MAY_WRITE) && */ IS_IMMUTABLE(inode))
1929 return nfserr_perm; 1931 return nfserr_perm;
1930 } 1932 }
1931 if ((acc & MAY_TRUNC) && IS_APPEND(inode)) 1933 if ((acc & NFSD_MAY_TRUNC) && IS_APPEND(inode))
1932 return nfserr_perm; 1934 return nfserr_perm;
1933 1935
1934 if (acc & MAY_LOCK) { 1936 if (acc & NFSD_MAY_LOCK) {
1935 /* If we cannot rely on authentication in NLM requests, 1937 /* If we cannot rely on authentication in NLM requests,
1936 * just allow locks, otherwise require read permission, or 1938 * just allow locks, otherwise require read permission, or
1937 * ownership 1939 * ownership
@@ -1939,7 +1941,7 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
1939 if (exp->ex_flags & NFSEXP_NOAUTHNLM) 1941 if (exp->ex_flags & NFSEXP_NOAUTHNLM)
1940 return 0; 1942 return 0;
1941 else 1943 else
1942 acc = MAY_READ | MAY_OWNER_OVERRIDE; 1944 acc = NFSD_MAY_READ | NFSD_MAY_OWNER_OVERRIDE;
1943 } 1945 }
1944 /* 1946 /*
1945 * The file owner always gets access permission for accesses that 1947 * The file owner always gets access permission for accesses that
@@ -1955,15 +1957,16 @@ nfsd_permission(struct svc_rqst *rqstp, struct svc_export *exp,
1955 * We must trust the client to do permission checking - using "ACCESS" 1957 * We must trust the client to do permission checking - using "ACCESS"
1956 * with NFSv3. 1958 * with NFSv3.
1957 */ 1959 */
1958 if ((acc & MAY_OWNER_OVERRIDE) && 1960 if ((acc & NFSD_MAY_OWNER_OVERRIDE) &&
1959 inode->i_uid == current->fsuid) 1961 inode->i_uid == current->fsuid)
1960 return 0; 1962 return 0;
1961 1963
1964 /* This assumes NFSD_MAY_{READ,WRITE,EXEC} == MAY_{READ,WRITE,EXEC} */
1962 err = permission(inode, acc & (MAY_READ|MAY_WRITE|MAY_EXEC), NULL); 1965 err = permission(inode, acc & (MAY_READ|MAY_WRITE|MAY_EXEC), NULL);
1963 1966
1964 /* Allow read access to binaries even when mode 111 */ 1967 /* Allow read access to binaries even when mode 111 */
1965 if (err == -EACCES && S_ISREG(inode->i_mode) && 1968 if (err == -EACCES && S_ISREG(inode->i_mode) &&
1966 acc == (MAY_READ | MAY_OWNER_OVERRIDE)) 1969 acc == (NFSD_MAY_READ | NFSD_MAY_OWNER_OVERRIDE))
1967 err = permission(inode, MAY_EXEC, NULL); 1970 err = permission(inode, MAY_EXEC, NULL);
1968 1971
1969 return err? nfserrno(err) : 0; 1972 return err? nfserrno(err) : 0;