diff options
Diffstat (limited to 'xlators/nfs/server/src/nfs3-helpers.c')
| -rw-r--r-- | xlators/nfs/server/src/nfs3-helpers.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/xlators/nfs/server/src/nfs3-helpers.c b/xlators/nfs/server/src/nfs3-helpers.c index 04454ee19..93731ae4d 100644 --- a/xlators/nfs/server/src/nfs3-helpers.c +++ b/xlators/nfs/server/src/nfs3-helpers.c @@ -619,6 +619,37 @@ nfs3_other_accessbits (ia_prot_t prot, ia_type_t type, uint32_t request) uint32_t +nfs3_superuser_accessbits (ia_prot_t prot, ia_type_t type, uint32_t request) +{ + uint32_t accresult = 0; + + if (request & ACCESS3_READ) + accresult |= ACCESS3_READ; + + if (request & ACCESS3_LOOKUP) + if (IA_ISDIR (type)) + accresult |= ACCESS3_LOOKUP; + + if (request & ACCESS3_MODIFY) + accresult |= ACCESS3_MODIFY; + + if (request & ACCESS3_EXTEND) + accresult |= ACCESS3_EXTEND; + + /* ACCESS3_DELETE is ignored for now since that requires + * knowing the permissions on the parent directory. + */ + + if (request & ACCESS3_EXECUTE) + if ((IA_PROT_XOTH (prot) || IA_PROT_XUSR (prot) || + IA_PROT_XGRP (prot)) && (!IA_ISDIR (type))) + accresult |= ACCESS3_EXECUTE; + + return accresult; +} + + +uint32_t nfs3_stat_to_accessbits (struct iatt *buf, uint32_t request, uid_t uid, gid_t gid) { @@ -629,7 +660,9 @@ nfs3_stat_to_accessbits (struct iatt *buf, uint32_t request, uid_t uid, prot = buf->ia_prot; type = buf->ia_type; - if (buf->ia_uid == uid) + if (uid == 0) + accresult = nfs3_superuser_accessbits (prot, type, request); + else if (buf->ia_uid == uid) accresult = nfs3_owner_accessbits (prot, type, request); else if (buf->ia_gid == gid) accresult = nfs3_group_accessbits (prot, type, request); |