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* Update NEWS fileJustus Winter2014-09-241-0/+22
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* hurd: add symbolic name for the mtab translatorJustus Winter2014-09-222-5/+4
| | | | | | * hurd/paths.h (_HURD_MTAB): New macro. * procfs/rootdir.c (rootdir_mounts_get_translator): Use the new macro. (rootdir_mounts_exists): Likewise.
* procfs: fix typo in commentJustus Winter2014-09-181-1/+1
| | | | * procfs/process.c (process_stat_make_node): Fix typo in comment.
* trans/hello{,-mt}: properly escape contents in trivfs_append_argsJustus Winter2014-09-052-8/+41
| | | | | | | Fixes https://savannah.gnu.org/bugs/?15806 . * trans/hello-mt.c (trivfs_append_args): Escape contents. * trans/hello.c (trivfs_append_args): Likewise.
* hurd: make memory_object parameter polymorphicJustus Winter2014-09-043-1/+5
| | | | | | | | | | | Make the memory_object parameter of default_pager_object_create polymorphic. This fixes https://savannah.gnu.org/bugs/?26751 . * hurd/default_pager.defs (default_pager_object_create): Make memory_object parameter polymorphic. * mach-defpager/default_pager.c (S_default_pager_object_create): Adjust accordingly. * trans/proxy-defpager.c (S_default_pager_object_create): Likewise.
* libdiskfs: fix /servers/exec lookupJustus Winter2014-09-021-1/+1
| | | | | * libdiskfs/boot-start.c (diskfs_start_bootstrap): Pass retry_name to dir_lookup, which is later checked to be the empty string.
* include: detect use-after-free errors using the reference countsJustus Winter2014-08-312-9/+66
| | | | | | | | | | | | | | | * include/refcount.h (refcount_init): There must be at least one reference at initialization time. (refcounts_init): Likewise. (refcount_unsafe_ref): New function retaining the previous functionality of refcount_ref. It is occasionally useful to raise the reference count again after it dropped to zero. (refcounts_unsafe_ref): Likewise. (refcounts_unsafe_weak_ref): Likewise. (refcount_ref): Detect use-after-free errors. (refcounts_ref): Likewise. (refcounts_ref_weak): Likewise. * libtrivfs/protid-clean.c (trivfs_clean_protid): Use refcount_unsafe_ref.
* hurd: fix semantic of file_get_childrenJustus Winter2014-08-315-17/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | When first introduced as fsys_get_children, it made sense to return the list of children using paths relative to the root of the filesystem that was queried. Making the get_children method part of the fsys protocol was a mistake that has since been corrected in 9366d6b2. Instead of returning paths relative to the root of the translator, return paths relative to the path of the receiving node. This fixes a problem with the mtab translator. Previously, the mtab translator invoked on a target that was not the root directory of a translator would compute invalid paths, e.g.: /hurd/mtab: /any/path/servers/socket/26 No such file or directory * hurd/fs.defs (file_get_children): Update comment. * libfshelp/translator-list.c (fshelp_get_active_translators): Add argument PREFIX. Filter entries not beginning with PREFIX if non-NULL, and omit PREFIX from the returned paths. * libfshelp/fshelp.h (fshelp_get_active_translators): Update comment accordingly. Also clarify that both FILTER and PREFIX can be NULL. * libdiskfs/file-get-children.c (diskfs_S_file_get_children): Update comment, pass prefix to fshelp_get_active_translators. * libnetfs/file-get-children.c (netfs_S_file_get_children): Likewise.
* libihash: fix comparison between signed and unsigned integerJustus Winter2014-08-311-1/+2
| | | | | * libihash/ihash.h (HURD_IHASH_ITERATE): Fix comparison between signed and unsigned integer expressions.
* trans/mtab: use setnullauth to drop privilegesJustus Winter2014-08-311-13/+2
| | | | * trans/mtab.c (main): Use setnullauth to drop privileges.
* libtrivfs: fix typoJustus Winter2014-08-311-1/+1
| | | | * libtrivfs/protid-clean.c (trivfs_clean_protid): Fix typo.
* libdiskfs: fix reference counting of peropen objectsJustus Winter2014-08-317-8/+16
| | | | | | | | | | | | | | | | | | | Previously, peropen objects were created with a reference count of zero. Therefore, if diskfs_create_protid fails, passing such an object to diskfs_release_peropen would lead to a reference count underflow. * libdiskfs/peropen-make.c (diskfs_peropen_make): Initialize reference count to one. * libdiskfs/protid-make.c (diskfs_start_protid): And consume this reference on success. Update comment. (diskfs_create_protid): Update comment. * libdiskfs/diskfs.h: Update comments. * libdiskfs/io-duplicate.c (diskfs_S_io_duplicate): Adjust reference counting accordingly. * libdiskfs/io-reauthenticate.c (diskfs_S_io_reauthenticate): Likewise. * libdiskfs/io-restrict-auth.c (diskfs_S_io_restrict_auth): Likewise. * doc/hurd.texi (Diskfs Internals): Update accordingly.
* Fix ifsock permission checkSamuel Thibault2014-08-261-1/+1
| | | | | | | | POSIX requires write access to the socket, not read access, to be able to connect to it. * trans/ifsock.c (S_ifsock_getsockaddr): Test for O_WRITE instead of O_READ.
* sutils: add urandom device target to MAKEDEVDavid Michael2014-08-251-1/+3
| | | | | * sutils/MAKEDEV.sh (urandom): New target. (std): Add urandom to the standard devices list.
* Add missing linefeedSamuel Thibault2014-08-231-2/+2
| | | | | * libpager/object-terminate.c (_pager_seqnos_memory_object_terminate): Add missing linefeed in error message.
* Make settrans return value returned by chroot commandSvante Signell2014-08-191-4/+12
| | | | | * utils/settrans.c (main): In case of chroot_command, get status from waitpid() call, and call error() appropriately.
* Make the ncursesw driver of the console client compile properlyMarek Benc2014-07-171-5/+3
| | | | | * console-client/Makefile (NCURSESW_SO_SRCS): Move definition to after inclusion of Makeconf.
* libpipe: fix spurious calls to pipe_sendRichard Braun2014-06-301-1/+5
| | | | * libpipe/pipe.c (pipe_send): Skip processing if there is nothing to send.
* Revert "libpipe: fix calls to pipe_send with no data"Richard Braun2014-06-281-1/+1
| | | | | | | This reverts commit 6f856c62613ffc82bf3572a372d2851638c2fb90. As the comment right above the change says, "this [sending control packets] depends on the fact that we always write a data packet".
* libpipe: fix calls to pipe_send with no dataRichard Braun2014-06-281-1/+1
| | | | | * libpipe/pipe.c (pipe_send): Check that there actually is any data to send before calling the pipe write operation.
* ext2fs: use correct type for block numbersJustus Winter2014-06-231-3/+3
| | | | | * ext2fs/dir.c (count_dirents): Use block_t for nb. (diskfs_get_directs): Likewise for blkno, nblks.
* libdiskfs: fix deadlockJustus Winter2014-06-231-1/+0
| | | | | | | | | | Previously, libdiskfs would deadlock on contention on renamedirlock due to the lock being taken spuriously. Found using fsstress from the Linux Test Project. * libdiskfs/dir-rename.c (diskfs_S_dir_rename): Remove spurious pthread_mutex_lock.
* libdiskfs: expose the ST_NOATIME flagPino Toscano2014-06-221-0/+2
| | | | | | | | Expose ST_NOATIME as flag (if available in glibc) if diskfs is set in noatime mode. * libdiskfs/file-statfs.c (diskfs_S_file_statfs): Set ST_NOATIME if _DISKFS_NOATIME is set.
* libdiskfs: add permission check to file_chflagsJustus Winter2014-06-182-2/+8
| | | | | | | | | | Only root is allowed to change the high 16 bits. The TODO entry says otherwise, but that must be a mistake. For reference, see the glibc sources, sysdeps/mach/hurd/bits/stat.h. * libdiskfs/file-chflags.c (diskfs_S_file_chflags): Add permission check. * TODO (libdiskfs): Remove entry.
* libports: avoid realloc(3) corner caseJustus Winter2014-06-181-1/+1
| | | | | | | | | | | | If the size argument is 0, realloc may either return NULL, or return a pointer that is only valid for use with free(3). In either case, the memory is freed. So if realloc would return NULL (it does not on GNU), the current code would double free p. Found using the Clang Static Analyzer. * libports/bucket-iterate.c (_ports_bucket_class_iterate): Avoid calling realloc if no ports were matched.
* trans/fakeroot: fix error handlingJustus Winter2014-06-181-0/+1
| | | | | | | | Found using the Clang Static Analyzer. * trans/fakeroot.c (new_node): Do not leak a pointer to freed memory. Store NULL at *np instead. This fixes a node use-after-free in netfs_S_dir_lookup.
* libshouldbeinlibc: fix dead initialization in fmt_named_intervalJustus Winter2014-06-181-1/+1
| | | | | | | Found using the Clang Static Analyzer. * libshouldbeinlibc/timefmt.c (fmt_named_interval): Fix dead initialization.
* ftpfs: fix error handling in refresh_dirJustus Winter2014-06-181-8/+12
| | | | | | Found using the Clang Static Analyzer. * ftpfs/dir.c (refresh_dir): Fix error handling.
* Add mach_debug defs rulesDavid Michael2014-06-172-3/+4
| | | | | | * Makeconf (mach_debug_defs_names,mach_debug_defs): New variables. * Makeconf: Add rule to generate local $(mach_debug_defs) files. * procfs/Makefile: Remove vpath for mach_debug defs.
* Add the procfs translator to prog-subdirsJustus Winter2014-06-151-0/+1
| | | | * Makefile (prog-subdirs): Add procfs.
* Merge procfs into the Hurd repositoryJustus Winter2014-06-1518-0/+2779
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| * Prepare the procfs translator to be merged into the Hurd sourcesJustus Winter2014-06-1519-46/+34
| | | | | | | | | | | | | | | | | | | | Move the procfs translator to its own subdirectory 'procfs'. This is the last commit to this repository. Development of the procfs translator will continue in the main Hurd repository. * procfs/Makefile: Replace the standalone Makefile with the one from the Debian packaging repository.
| * Do not include the terminating zero in /proc/slabinfoJustus Winter2014-05-281-1/+0
| | | | | | | | | | * rootdir.c (rootdir_gc_slabinfo): Do not zero-terminate the generated content.
| * Implement /proc/slabinfoJustus Winter2014-05-242-1/+94
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a node 'slabinfo' to the root directory that contains information about the slab allocator used in GNU Mach. The formatting code has been taken from Richard Braun's standalone client available here: git://darnassus.sceen.net/rbraun/slabinfo.git * rootdir.c (rootdir_gc_slabinfo): New function. (rootdir_entries): Add node 'slabinfo'. * Makefile (OBJS): Add mach_debugUser.o. (rootdir.o): Add an explicit dependency on mach_debug_U.h. Furthermore, add rules to create both functions.
| * Fix mtab translator leakRichard Braun2013-10-051-13/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | The node structure for the `mounts' entry is created and destroyed on each access, despite the fact a translator is activated on it. Fix the issue by caching it. * rootdir.c (rootdir_mounts_node): New variable. (rootdir_mounts_node_lock): Likewise. (rootdir_mounts_make_node): New function. (rootdir_translator_make_node): Remove function. (rootdir_entries): Replace `rootdir_translator_make_node' with `rootdir_mounts_make_node'.
| * Serve mounts node with a passive translator recordJustus Winter2013-09-151-1/+48
| | | | | | | | | | | | | | | | | | | | | | Make mounts a node with a passive translator record so that the mtab translator is started on access if it is available. * rootdir.c (MTAB_TRANSLATOR): New macro. (rootdir_mounts_get_translator): New function. (rootdir_mounts_exists): New function. (rootdir_translator_make_node): Likewise. (rootdir_entries): Add "mounts" node.
| * Make start_code and end_code available in /proc/*/statJustus Winter2013-09-151-1/+23
| | | | | | | | | | | | | | This makes killall5 actually kill any processes not marked as important. * process.c (process_file_gc_stat): Fix {start,end}_code.
| * procfs: provide a more meaningful response to fsys_get_optionsJustus Winter2013-08-281-0/+42
| | | | | | | | | | | | | | | | Implement our own netfs_append_args function that provides the appropriate command line flags if the current values differ from the default values. * procfs/main.c (netfs_append_args): New function.
| * procfs: define macros for the default argument valuesJustus Winter2013-08-281-5/+12
| | | | | | | | | | | | | | | | Define a macro for the default value of each command line parameter. This allows one to generate a minimal response to fsys_get_options requests. * procfs/main.c: New macro definitions for default values.
| * procfs: handle the --update parameterJustus Winter2013-08-281-33/+70
| | | | | | | | | | | | | | | | | | | | | | Split the argument handling into a common part and one for fsys_update_options. Handle the --update parameter; for procfs this is a no-op. * procfs/main.c (common_options): New variable. (runtime_argp_parser): Handle --update. (startup_argp): New variable. (netfs_runtime_argp_): New variable.
| * Fix argument parsingJustus Winter2013-08-271-0/+3
| | | | | | | | | | | | | | The switch statement was missing the default case returning ARGP_ERR_UNKNOWN. This patch adds that. * main.c (argp_parser): Add default case.
| * rootdir.c: Fix declaration of rootdir_fakeself_exists.Justus Winter2013-07-221-1/+1
| | | | | | | | | | * rootdir.c (rootdir_fakeself_exists): Use the correct arguments for this kind of function.
| * rootdir.c: Fix compiler warningJustus Winter2013-07-221-1/+1
| | | | | | | | * rootdir.c (rootdir_gc_meminfo): Use unsigned long constant.
| * Makefile: add -lpthreadJustus Winter2013-07-221-1/+1
| | | | | | | | * Makefile (LIBS): Link with libpthread.
| * Fix profile linkSamuel Thibault2013-07-221-1/+1
| | | | | | | | * Makefile [PROFILE] (LIBS): Replace -lthreads with -lpthread
| * Add the necessary infrastructure to serve passive translatorsJustus Winter2013-07-203-0/+29
| | | | | | | | | | | | | | * netfs.c (netfs_get_translator): New function. * procfs.c (procfs_get_translator): Likewise. * procfs.h (struct procfs_node_ops): New field get_translator. (procfs_get_translator): New function declaration.
| * Fix default file ownershipJustus Winter2013-07-201-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | Formerly all nodes were created so that they were owned by root:root by default. This causes problems if the procfs translator is running as unprivileged user and serves passive translator records, because the file ownership is being used as credentials for starting translators. This obviously fails if the procfs translator is not root but is trying to acquire credentials including uid/gid 0. Fix this by using the uid/gid of the procfs translator by default. procfs.c (procfs_make_node): Fix default node ownership.
| * Fix procfs_node_chmodJustus Winter2013-07-201-1/+1
| | | | | | | | | | | | | | | | Formerly only the mode_t bits cut out by S_IFMT were preserved, but this does not include S_IPTRANS. Fix this by preserving everything but the permission bits. * procfs.c (procfs_node_chmod): Fix bitmask.
| * procfs: Ignore arguments for compatibility with Linux' procfs.Justus Winter2013-07-201-0/+22
| | | | | | | | | | | | Ignore the --nodev, --noexec and --nosuid arguments. * procfs/main.c (argp_parser): Ignore some arguments for compatibility.
| * procfs: enable fsys_set_optionsJustus Winter2013-06-291-0/+3
| | | | | | | | | | | | | | Make procfs translators handle fsys_set_options requests by pointing netfs_runtime_argp to our argp struct. * procfs/main.c (netfs_runtime_argp): New variable.
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