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Set 'is_root' if the node has been opened by the root user (this was
the old behavior) or if it has been opened by the user the translator
is executing under.
This fixes the irritating bug that an unprivileged user cannot control
her own trivfs-based translators. It does not change how privileged
trivfs translators work.
* libtrivfs/io-reauthenticate.c (trivfs_S_io_reauthenticate): Use the
new function to compute 'isroot'.
* libtrivfs/io-restrict-auth.c (trivfs_S_io_restrict_auth): Likewise.
* libtrivfs/open.c (trivfs_open): Likewise.
* libtrivfs/priv.h (_is_privileged): New function.
* libtrivfs/trivfs.h (struct peropen): Clarify what 'isroot' means.
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* libtrivfs/trivfs.h (struct trivfs_peropen): Use refcount_t for field
refcnt.
(struct trivfs_control): Remove unused field lock.
* libtrivfs/cntl-create.c (trivfs_create_control): Drop the mutex
initialization.
* libtrivfs/io-reauthenticate.c (trivfs_S_io_reauthenticate): Adjust
accordingly.
* libtrivfs/io-restrict-auth.c (trivfs_S_io_restrict_auth): Likewise.
* libtrivfs/open.c (trivfs_open): Initialize refcnt.
* libtrivfs/protid-clean.c (trivfs_clean_protid): Likewise.
* libtrivfs/protid-dup.c (trivfs_protid_dup): Likewise.
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* open.c (trivfs_open): Add missing `=' from last change.
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* open.c (trivfs_open): Correctly initialize NEW->isroot.
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* io-stat.c (trivfs_S_io_stat): Make the mode specify IFCHR by
default.
Sat Nov 16 17:20:15 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* Makefile (HURDLIBS): Add `iohelp'.
Thu Nov 14 13:13:10 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* io-restrict-auth.c (trivfs_S_io_restrict_auth): idvec_set ->
idvec_set_ids. Fix unrelated typos.
* protid-dup.c (trivfs_protid_dup): Use iouser_dup_iouser instead
of copying old arrays by hand.
* protid-clean.c (trivfs_clean_protid): Free CRED->user instead of
CRED->uids and CRED->gids.
* io-reauthenticate.c (trivfs_S_io_reauthenticate): Args for
io_restrict_auth now come from the new structure definitions.
* open.c (trivfs_open): Pass correct first arg to idvec_contains.
* open.c (trivfs_open): Delete variable I.
* trivfs.h: Include <hurd/iohelp.h>
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* io-restrict-auth.c (trivfs_S_io_restrict_auth): Rewrite to use
idvecs.
Wed Nov 6 23:40:50 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* trivfs.h (struct trivfs_protid): Delete members `uids', `gids',
`nuids', and `ngids'. Replace with `user'.
(trivfs_check_open_hook): Delete args `uids', `nuids', `gids',
`ngids'. Replace with new arg `user'. All callers changed.
(trivfs_open): Likewise.
* open.c (trivfs_open): Change to match new declaration.
* trivfs.h (struct trivfs_protid): Delete members `uids', `gids',
* io-reauthenticate.c (trivfs_S_io_reauthenticate): Use new
iohelp_reauth call.
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return any error.
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