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* Update hurd code to handle the new ABI for sending inlined port rights.Flavio Cruz2023-12-171-8/+8
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* Revert "Update hurd code to handle the new ABI for sending inlined port rights."Samuel Thibault2023-12-031-8/+8
| | | | This reverts commit 33c30b4ff76ca22bdedce4aa41d05736a546d86b.
* Update hurd code to handle the new ABI for sending inlined port rights.Flavio Cruz2023-12-031-8/+8
| | | | Message-ID: <20231124213041.952886-3-flaviocruz@gmail.com>
* libfshelp: type check messages using the full mach_msg_type_t so that it ↵Flavio Cruz2023-11-191-1/+1
| | | | | | works on x86_64. Message-ID: <ZVlHm2xuVaS8SItY@jupiter.tail36e24.ts.net>
* Homogeneize [gs]et_translator and get_dire[nc]ts into mach_msg_type_number_tSamuel Thibault2023-08-082-4/+4
| | | | | | | | | | | | | | | | | This makes netfs_[gs]et_translator use mach_msg_type_number_t like the RPC and diskfs. This also makes the fshelp_fetch_root_callback1_t for fshelp_fetch_root use mach_msg_type_number_t. This also makes procfs_get_translator and the get_translator proc method use mach_msg_type_number_t. This makes diskfs_get_directs use mach_msg_type_number_t like the dir_readdir RPC Also get rid of u_int. This notably fixes _diskfs_translator_callback1_fn's bogus cast of size_t *argz_len into (u_int *).
* libfshelp: Port to x86_64Sergey Bugaev2023-05-104-19/+29
| | | | Message-Id: <20230508213136.608575-5-bugaevc@gmail.com>
* Use designated initializers when building mach_msg_type_tFlavio Cruz2023-05-041-28/+28
| | | | Message-Id: <ZFLcIs0iwiC9kQDf@jupiter.tail36e24.ts.net>
* Further modernize Hurd code by enforcing strict prototypes and no implicit ↵Flavio Cruz2023-04-081-0/+1
| | | | | | | | | | | | | | | | | | function declarations. Most of the changes land in one of these buckets: * Removed unused declarations. * Used (void) to represent no parameters instead of () which means an undeterminate number of parameters. * Included missing header files whenever necessary (stdlib.h, sys/mman.h, etc) * Typedefed function pointers to be able to fully declare the parameter types. * Added declarations of library functions that are used elsewhere (example is libps/ps.h). * Made functions static whenever they are only used in that file. * Forwarded declarations of some methods that were made static. Message-Id: <ZDD1o7/tVYeZew+G@jupiter.tail36e24.ts.net>
* Modernize code by removing use of old style definitions.Flavio Cruz2023-04-031-1/+1
| | | | | Also add -Werror=old-style-definition to enforce new code. Message-Id: <ZBZ+8xf7GHy2RT/h@jupiter.tail36e24.ts.net>
* Rename proc_complete_reauthentication to proc_reauthenticate_completeSamuel Thibault2022-08-101-1/+1
| | | | For coherency with the existing RPCs
* Make proc_reauthenticate () recreate proc portSergey Bugaev2022-08-101-3/+13
| | | | And add proc_complete_reauthentication ()
* Remove the concept of process ownerSergey Bugaev2022-08-102-6/+15
| | | | | | | | | | Now that it's completely unused. procinfo.owner is now simply set to the first UID that a process has. proc_setowner () is kept for compatibility, but now does nothing. The clients still try to call it, though, for compatibility with older proc server versions.
* libshouldbeinlibc: Do not reauthenticate proc port when secureSergey Bugaev2022-08-101-6/+7
| | | | | | | | | | | | | | exec_reauth () is supposed to reauthenticate the given ports and file descriptors with a new authentication. If the secure flag is set, this reauthentication is happening for a future exec with the EXEC_SECURE flag. Now that the exec server uses proc_reauthenticate_reassign (), the process reauthentication is done atomically with task reassignment by the exec server. So stop doing it inside exec_reauth (). This fixes a vulnerability where a process was able to use its reauthenticated proc port before it got exec'ed over.
* libfshelp: Handle proc port in fshelp_start_translator_long ()Sergey Bugaev2022-08-101-7/+49
| | | | | | | | | | | | | | While fshelp_start_translator_long () has been calling proc_setowner () on the task it creates, it has never reauthenticated its process. This meant that the translator, once started, could access processes authenticated same as the process that called fshelp_start_translator_long (). In particular, this means that any unprivileged translator started by a privileged parent translator had in fact had a privileged proc port, and could access other processes through it. With this change, fshelp_start_translator_long () will now reauthenticate the process it creates. Moreover, it will now respect a custom proc server port passed in the given ports.
* libfshelp: Cosmetic cleanupsSergey Bugaev2022-08-101-14/+18
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* libfshelp: Simplify fshelp_start_translator_long () a bitSergey Bugaev2022-08-101-39/+14
| | | | | | | It only really supports ports_len > INIT_PORT_BOOTSTRAP, ports_type == MACH_MSG_TYPE_COPY_SEND, fds_type == MACH_MSG_TYPE_COPY_SEND. Make that explicit, and remove the branches that tried to handle the other cases.
* libfshelp: Update some commentsSergey Bugaev2022-08-102-3/+5
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* Fix leaking auth portsSamuel Thibault2022-01-041-0/+3
| | | | | | | | | | | We need to be extremely careful with auth ports since leaking them into subprocesses may expose a root-auth port to non-root processes. Notably, get_nonsugid_ids was caching it, thus preventing glibc's exec implementation from dropping it. Login is also reimplementing hurdexec but without all the cloexec logic. This commit fixes various auth leaks.
* Revert "fshelp: Fix fetching control ports."Samuel Thibault2021-05-081-1/+5
| | | | | | | | | This reverts commit 7b9011628ec0dea3e01b19b75013ce5cf5b9c841. We do want to release dead names, and not report the KERN_INVALID_RIGHT error, just return that there is no translator any more. As suggested by Sergey Bugaev
* libfshelp: Fix extern inline definitionsRomain Naour2020-11-213-3/+7
| | | | | | | | | | | | | | | | | | | | The commit [1] updated rlock.h and fshelp.h to use FSHELP_DEFINE_EXTERN_INLINE but it's never defined because FSHELP_EXTERN_INLINE is used in libfshelp/extern-inline.c. Update this file to use define FSHELP_DEFINE_EXTERN_INLINE. [1] ca3d36201329f0e21b995d831ce9f6f03b6b985e * libfshelp/extern-inline.c: define FSHELP_DEFINE_EXTERN_INLINE. * libfshelp/fshelp.h: define FSHELP_EXTERN_INLINE __extern_inline if FSHELP_DEFINE_EXTERN_INLINE is not defined. * libfshelp/rlock.h: Likewise Signed-off-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Samuel Thibault <samuel.thibault@gnu.org> Message-Id: <20201120230347.2432672-1-romain.naour@gmail.com>
* libfshelp: Fix extern inline usageSamuel Thibault2020-08-013-2/+7
| | | | | | | | | | | | C99 extern inline semantic is different from GNU semantic, so we cannot blindly write "extern inline". * libfshelp/rlock.h (FSHELP_EXTERN_INLINE): Define to __extern_inline if not already. (rlock_list_init): Mark FSHELP_EXTERN_INLINE instead of extern inline. * libfshelp/fshelp.h (FSHELP_EXTERN_INLINE): Define to __extern_inline instead of extern inline. * libfshelp/extern-inline.c: Include "rlock.h"
* libfshelp: Fix extern inline definitionsSamuel Thibault2020-08-011-3/+3
| | | | | | * libfshelp/fshelp.h (fshelp_rlock_init, fshelp_rlock_po_init, fshelp_rlock_po_fini): Define when FSHELP_DEFINE_EXTERN_INLINE is defined, not DISKFS_DEFINE_EXTERN_INLINE.
* libfshelp: destroy condition variable before freeing itSamuel Thibault2020-06-012-0/+2
| | | | | | | | | | To make sure that threads have really woken up. Spotted by Richard Braun. * libfshelp/rlock-drop-peropen.c (fshelp_rlock_drop_peropen): Call pthread_cond_destroy before freeing the condition variable. * libfshelp/rlock-tweak.c (fshelp_rlock_tweak): Likewise.
* libdiskfs: Add missing node lock around fshelp_rlock_drop_peropen callSamuel Thibault2020-06-011-1/+3
| | | | | fshelp_rlock_drop_peropen actually needs the node to be locked for proper waiting atomicity.
* libfshelp: Fix errno value leakSamuel Thibault2019-12-281-1/+4
| | | | | | | | When the last translator box contains a port to a died translator, we do not want to consider this as a whole failure. * libfshelp/translator-list.c (fshelp_get_active_translators): On mach_port_mod_refs failure, reset err to 0.
* libfshelp: Fix memleakSamuel Thibault2019-11-101-0/+15
| | | | | | * libfshelp/fshelp.h (fshelp_rlock_po_fini): New inline function. * libdiskfs/peropen-rele.c (diskfs_release_peropen): Call fshelp_rlock_po_fini. * libnetfs/release-peropen.c (netfs_release_peropen): Likewise.
* libfshelp: Add missing prototypesSamuel Thibault2019-11-101-0/+4
| | | | | * libfshelp/fshelp.h (fshelp_rlock_init, fshelp_rlock_po_init) [!__USE_EXTERN_INLINES || DISKFS_DEFINE_EXTERN_INLINE]: Add prototypes.
* libfshelp: do not define extern inlines when not requestedSamuel Thibault2019-11-011-0/+8
| | | | | * libfshelp/fshelp.h (fshelp_rlock_init, fshelp_rlock_po_init) [!__USE_EXTERN_INLINES && !DISKFS_DEFINE_EXTERN_INLINE]: Do not define.
* libfshelp: Fix record lock when len=0Samuel Thibault2019-11-011-4/+2
| | | | | | | When len=0 and start is completely before an existing lock, there is no interference. * libfshelp/rlock-tweak.c (fshelp_rlock_tweak): Fix test when len=0.
* libfshelp: Support for file record lockingNeal H Walfield2019-10-297-14/+857
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2019-03-03 Svante Signell <svante.signell@gmail.com> * rlock-tweak.c: Require write access for F_SETLK64 and F_SETLKW64 according to POSIX-1003.1. 2019-02-12 Svante Signell <svante.signell@gmail.com> * rlock-tweak.c: Comment out check of lock->l_type and open_mode 2019-02-01 Svante Signell <svante.signell@gmail.com> * Update copyright years. * 2018-12-07: - Fix typo in fshelp_rlock_tweak. - Move description of rendezvous to fshelp.h. - Removed 64bit versions 2018-12-07 Svante Signell <svante.signell@gmail.com> * Update copyright years. * rlock-tweak.c (fshelp_rlock_tweak): Add new argument: mach_port_t rendezvous. 2017-01-05 Svante Signell <svante.signell@gmail.com> * Update copyright years and headers. * rlock_tweak.c: l_pid is set to 0 when a conflicting lock is taken by another process. Will be fixed by new proc RPCs. 2016-05-23 Svante Signell <svante.signell@gmail.com> * rlock-drop-peropen.c: Port from cthreads to libpthread. * rlock-tweak.c: Likewise * fshelp.h: Likewise * rlock.h: Likewise 2001-04-12 Neal H Walfield <neal@cs.uml.edu> * fshelp.h (struct rlock_box): New structure. (struct rlock_peropen): Likewise. (fshelp_rlock_init): New function. (fshelp_rlock_po_init): Likewise. (fshelp_rlock_drop_peropen): Likewise. (fshelp_rlock_tweak): Likewise. (fshelp_rlock_peropen_status): Likewise. (fshelp_rlock_node_status): Likewise. * rlock-drop-peropen.c: New file. Implement fshelp_rlock_drop_peropen. * rlock-status.c: New file. Implement fshelp_rlock_peropen_status and fshelp_rlock_node_status. * rlock-tweak.c: New file. Implement fshelp_rlock_tweak. * rlock.h: New file. * extern-inline.c: New file. * Makefile (installhdrs): Add rlock.h. (SRCS): Add extern-inline.c, rlock-drop-peropen.c, rlock-tweak.c and rlock-status.c.
* Fix missing gnu_dev_* prototypesSamuel Thibault2019-07-271-0/+1
| | | | | | | | | | | | * isofs/rr.c: Include <sys/sysmacros.h>. * libdiskfs/file-set-trans.c: Likewise. * libfshelp/fetch-root.c: Likewise. * libnetfs/file-get-translator.c: Likewise. * libnetfs/file-set-translator.c: Likewise. * nfs/nfs.c: Likewise. * nfs/ops.c: Likewise. * storeio/storeio.c: Likewise. * trans/fakeroot.c: Likewise.
* Hurd patches (fix compilation)Luca Weiss2018-06-131-2/+2
| | | | | | | | | | | | | | | | | | * isofs/rr.c (rrip_work): Use gnu_dev_makedev instead of makedev. * libdiskfs/file-set-trans.c (diskfs_S_file_set_translator): Likewise. * libnetfs/file-set-translator.c (netfs_S_file_set_translator): Likeiwse. * nfs/nfs.c (xdr_decode_fattr): Likewise. * storeio/storeio.c (parse_opt): Likewise. * libfshelp/fetch-root.c (fshelp_short_circuited_callback1): Use gnu_dev_major and gnu_dev_minor instead of major and minor. * libnetfs/file-get-translator.c (netfs_S_file_get_translator): Likewise. * nfs/ops.c (netfs_attempt_link): Likewise. * storeio/storeio.c (trivfs_append_args): Likewise. * trans/fakeroot.c (netfs_attempt_mkdev): Likewise. * pfinet/glue-include/linux/mm.h: Include <mach/vm_param.h>. * term/users.c: Include <signal.h>
* Fix warningsSamuel Thibault2018-03-052-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * libdiskfs/boot-start.c (diskfs_start_bootstrap): Fix printf format. * libfshelp/delegate.c: Include <alloca.h> and <stdlib.h>. * libfshelp/start-translator-long.c: Include <stdlib.h>. * libshouldbeinlibc/ugids-verify-auth.c (server_verify_make_auth): Fix prototypes for password_check_group and password_check_user. * libstore/argp.c: Include <stdlib.h>. * libstore/task.c: Include <stdlib.h>. * exec/exec.c: Include <mach/vm_param.h>. * libbpf/bpf_impl.c: Include <stdlib.h>. * proc/info.c (S_proc_getloginpids): Remove local variables leader_task and leader_sub. * proc/main.c (main): Remove local variable original_argv. * boot/boot.c (task_died, S_mach_notify_new_task): Fix printf format. * exec/elfcore.c: Include <alloca.h> and <mach/vm_param.h>. * trans/crash.c: Include <hurd/msg.h>. * trans/random.c: Include <signal.h>. * utils/login.c: Include <signal.h>. * utils/id.c: Include <hurd/msg.h>. * utils/devprobe.c: Include <stdlib.h>. * utils/addauth.c: Include <hurd/msg.h>. * utils/frobauth-mod.c: Include <hurd/msg.h>. * utils/storeread.c: Include <stdlib.h>. * utils/msgport.c: Include <hurd/msg.h>. * sutils/clookup.c (file_name_lookup_carefully): Fix lookup function prototype, make head and tail const. * utils/rpcscan.c: Include <stdlib.h>. * sutils/bless.c: Include <stdlib.h>. * fstests/fstests.c: Include <stdlib.h>. * startup/startup.c (argz_task_insert_right): Fix printf format. * init/init.c: Include <stdlib.h>.
* Add a file_exec_file_name RPCEmilio Pozuelo Monfort2018-01-081-6/+17
| | | | | | | | | | | | | | | | | | | | | | * hurd/fs.defs (file_exec): Deprecate in favor of... (file_exec_paths): ...this new RPC. * TODO: Update. * doc/hurd.texi: Update RPC name. * hurd/hurd_types.h: Update RPC name. * libdiskfs/boot-start.c: Update RPC name. * configure.ac: Check for presence of RPC stubs file_exec_paths exec_exec_paths. * exec/hashexec.c (check_hashbang): When file_exec_paths is available, use it instead of file_exec. * startup/startup.c (run, run_for_real, start_child): Likewise. * utils/login.c (main): Likewise. * libfshelp/start-translator-long.c (fshelp_start_translator_long): Likewise. * libdiskfs/file-exec.c (diskfs_S_file_exec): Move code to new function diskfs_S_file_exec_paths and call it. (diskfs_S_file_exec_paths): New function, use exec_exec_paths when available instead of exec_exec * libnetfs/file-exec.c (netfs_S_file_exec, netfs_S_file_exec_paths): Likewise. * trans/fakeroot.c (netfs_S_file_exec, netfs_S_file_exec_paths): Likewise. * libtrivfs/file-exec.c (trivfs_S_file_exec_paths): New function.
* libfshelp/get-identity.c: Simplify checking weak referencesSamuel Thibault2018-01-061-5/+4
| | | | | * libfshelp/get-identity.c (id_clean): Test whether i is still in the hash table instead of counting weak references.
* libfshelp/get-identity.c: Avoid spurious ihash removalSamuel Thibault2018-01-061-2/+5
| | | | | | | | | | | | Reported by Brent W. Baccala. While some thread has converted a hardref to a weakref and tries to release the hash weakref, another thread might reacquire a hardref, and then convert it to a weakref and try to release it. We thus have to make sure that we really have the last weakref before removing from the hash. * libfshelp/get-identity.c (id_clean): Also check that there are only two weak refs left.
* libfshelp/get-identity: Use 64bit hashing for inodesSamuel Thibault2018-01-061-4/+32
| | | | | | | | | | | | | | Reported by Brent W. Baccala. hurd_ihash_key_t is 32bit only on 32bit platforms, so we need the same hashing functions as in libdiskfs/node-cache.c. * libfshelp/get-identity.c (mix_fasthash): New macro. (hash, compare): New functions. (idhash): Use HURD_IHASH_INITIALIZER_GKI instead of HURD_IHASH_INITIALIZER to pass hash and compare. (fshelp_get_identity): Pass address of fileno to hurd_ihash_find and hurd_ihash_add instead of fileno itself.
* libfshelp/get-identity.c: add FIXMESamuel Thibault2018-01-051-0/+1
| | | | | * libfshelp/get-identity.c (fshelp_get_identity): Add FIXME for FS with inode numbers bigger than 4 billion.
* libfshelp: Add weak reference for hash table referenceSamuel Thibault2017-12-191-2/+10
| | | | | | | | | | | Fixes reference w/o send right crash. * libfshelp/get-identity.c (fshelp_get_identity): Get weak reference for the hash table reference. (id_initialize): Pass id_clean as dropweak_routine instead of clean_routine to ports_create_class. (id_clean): Remove from hash table only if there are no hard references left, i.e. we didn't reacquired a port right in between.
* fshelp: Fix fetching control ports.Justus Winter2017-09-251-5/+1
| | | | | * libfshelp/fetch-control.c (fshelp_fetch_control): When a port is stale, do not try to deallocate it.
* Traverse translator hierarchies using the fsys protocol.Justus Winter2017-09-122-36/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, we used the fs protocol to traverse the translator hierarchies. This, however, is conceptually flawed, because translators are bound to nodes, and a node can have zero or more links in the file system. Therefore, the previous method of returning a list of paths to the client and expecting them to be able to follow these to reach the child translators was always unreliable. Fix this by using the fsys protocol to traverse the hierarchy, and returning the control ports of all children. This is more robust, and also conceptually cleaner, because the fsys protocol is about translator linkage, hence this is the point to implement traversal. Also move the get source routine over. A per-node source really does not fit the reality of most translators, while a per-translator source makes sense in many cases. * hurd/fs.defs (file_get_children): Drop routine. (file_get_source): Likewise. * hurd/fsys.defs (fsys_get_children): New routine. (fsys_get_source): Likewise. * libdiskfs/Makefile (FSYSSRCS): Remove files, add files. * libdiskfs/file-get-children.c: Remove file. * libdiskfs/fsys-get-children.c: New file. * libdiskfs/file-get-source.c: Remove file. * libdiskfs/fsys-get-source.c: New file. * libfshelp/fshelp.h (fshelp_filter): Remove type. (fshelp_get_active_translators): Remove filter and prefix argument, return list of control ports. * libfshelp/translator-list.c (fshelp_get_active_translators): Likewise. * libnetfs/Makefile (FSSRCS): Move 'get-source.c' too OTHERSRCS. (FSYSSRCS): Remove files, add files. * libnetfs/file-get-children.c: Remove file. * libnetfs/fsys-get-children.c: New file. * libnetfs/file-get-source.c: Remove file. * libnetfs/fsys-get-source.c: New file. * libtrivfs/Makefile: Move 'get-source.c' too OTHERSRCS. (FSYSSRCS): Remove files, add files. * libtrivfs/file-get-children.c: Remove file. * libtrivfs/fsys-get-children.c: New file. * libtrivfs/file-get-source.c: Remove file. * libtrivfs/fsys-get-source.c: Add file. * trans/Makefile (mtab): Build client stubs until the libc has caught on. * trans/mtab.c (target_control): New variable. (insecure): Drop variable. (all_translators): Likewise. (MAX_DEPTH): New macro. (max_depth): New variable. (options): Remove '--insecure' and '--all-translators', add '--depth'. (parse_opt): Adapt accordingly. (trivsfs_append_args): Likewise. (main): Get the control port of the target translator, then drop privileges. (is_filesystem_translator): Remove function. (mtab_mark_as_seen): Simplify. Just check if the control port is known. (mtab_populate): Limit depth of recursion, adapt to traversing over the control ports, simplify. (open_hook): Remove scary comment, it is not applicable anymore because we no longer dir_lookup child translators.
* libfshelp: Use node instead of name as key.Justus Winter2017-09-122-29/+31
| | | | | | | | | | | | | | | | | | | | | | Previously, libfshelp used the name of an translator as key in the hash table. This however is flawed, because a translator is bound to a node, and a node can have zero or more links in the file system. Use the nodes address (or rather, the address of the transbox embedded in the node) as key instead. * libfshelp/fshelp.h (fshelp_set_active_translator): Instead of the control port, hand the whole transbox to the function. * libfshelp/translator-list.c (struct translator): New field 'locp'. (hash): Hash pointer. (compare): Compare pointer. (translator_ihash): Use an location pointer. (fshelp_set_active_translator): Use the address of the transbox as key. (fshelp_remove_active_translator): Remove using the location pointer. * libdiskfs/dir-lookup.c (diskfs_S_dir_lookup): Fix callsite. * libdiskfs/file-set-trans.c (diskfs_S_file_set_translator): Likewise. * libnetfs/dir-lookup.c (netfs_S_dir_lookup): Likewise. * libnetfs/file-set-translator.c (netfs_S_file_set_translator): Likewise.
* libfshelp: Avoid some right diddling.Justus Winter2017-09-121-2/+2
| | | | | * libfshelp/translator-list.c (fshelp_set_active_translator): Avoid updating the entry if the control port is still the same.
* libfshelp: Improve error handling.Justus Winter2017-09-121-3/+16
| | | | | | * libfshelp/translator-list.c (fshelp_set_active_translator): Free resources. Assert that an entry is removed. (fshelp_remove_active_translator): Assert that an entry is removed.
* libfshelp: Add function to map over all active translators.Justus Winter2017-09-122-0/+36
| | | | | | | | | | | | | | * libdiskfs/file-syncfs.c (diskfs_S_file_syncfs): Use the new function. * libdiskfs/fsys-options.c (diskfs_S_fsys_set_options): Likewise. * libdiskfs/fsys-syncfs.c (diskfs_S_fsys_syncfs): Likewise. * libdiskfs/shutdown.c (diskfs_shutdown): Likewise. * libfshelp/fshelp.h (fshelp_map_active_translators): New declaration. * libfshelp/translator-list.c (fshelp_map_active_translators): New function. * libnetfs/file-syncfs.c (netfs_S_file_syncfs): Use the new function. * libnetfs/fsys-set-options.c (netfs_S_fsys_set_options): Likewise. * libnetfs/fsys-syncfs.c (netfs_S_fsys_syncfs): Likewise. * libnetfs/shutdown.c (netfs_shutdown): Likewise.
* libfshelp: Always register dead-name notifications.Justus Winter2017-09-121-18/+15
| | | | | * libfshelp/translator-list.c (fshelp_set_active_translator): Always register dead-name notifications.
* libfshelp: Avoid useless allocations.Justus Winter2017-09-121-0/+4
| | | | | * libfshelp/translator-list.c (fshelp_set_active_translator): Avoid allocating an entry unless a valid control port is given.
* libfshelp: improve translator listJustus Winter2017-09-121-24/+35
| | | | | | | | | Use the path names of active translators as keys in the hash table. * libfshelp/translator-list.c (hash, compare): New functions. (translator_ihash): Use generalized key interface. (fshelp_set_active_translator): Update accordingly. (fshelp_remove_active_translator): Likewise.
* Use our own variant of 'assert' and 'assert_perror'.Justus Winter2017-08-055-14/+14
| | | | | Our variants print stack traces on failures. This will make locating errors much easier.
* fshelp: Fix fetching the control port.Justus Winter2016-10-091-2/+13
| | | | | | * libfshelp/fetch-control.c (fshelp_fetch_control): Check if the control port is still alive, or deallocate the dead name, record the fact in the transbox, and return MACH_PORT_NULL.
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