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2013-09-21Properly return errorSamuel Thibault
* isofs/pager.c (pager_read_page): Return error returned by `store_read`, if any.
2013-09-21Fix gcc warningSamuel Thibault
* isofs/lookup.c (dirscanblock): Cast entry->name into const char * before passing to isonamematch.
2013-09-21Fix gcc warningSamuel Thibault
* isofs/inode.c (read_disknode): Cast dr->date into char* before calling `isodate_915`.
2013-09-21Fix test for block compressionSamuel Thibault
* ext2fs/dir.c (dirscanblock): Test ds->stat against LOOKING and COMPRESS, instead of ds->type.
2013-09-21Fix gcc warningSamuel Thibault
* ext2fs/dir.c (dirscanblock): Test ds->type against LOOKUP instead of LOOKING. They happened to have the same value.
2013-09-21Fix setting modem control linesSamuel Thibault
* term/hurdio.c (hurdio_mdmctl): Pass `newbits` intead of `oldbits` to `tioctl_tiocmods`.
2013-09-21Fix gcc warningSamuel Thibault
* term/users.c (trivfs_S_io_read): Add parentheses to make expression evaluation priority clear.
2013-09-21Fix S_tioctl_tiocsetd returning errorsSamuel Thibault
* term/users.c (S_tioctl_tiocsetd): Properly return `err`.
2013-09-21Fix test for term open modeSamuel Thibault
* term/users.c (S_term_open_ctty): Properly test for `openmodes` containing at least O_READ or O_WRITE.
2013-09-21Fix gcc warningSamuel Thibault
* exec/hostarch.c (elf_machine_matches_host): Cast `&hostinfo` into host_info_t instead of natural_t *.
2013-09-21Fix gcc warningSamuel Thibault
* libfshelp/fshelp.h (fshelp_set_options): Make `argp` pointer const. * libfshelp/set-options.c (fshelp_set_options): Likewise. * doc/hurd.texi (fshelp_set_options): Likewise.
2013-09-21Fix gcc warningSamuel Thibault
* libpipe/pipe.c: Include <stdlib.h>
2013-09-21Fix ENOMEM handling in *_make_peropenSamuel Thibault
* libdiskfs/peropen-make.c (diskfs_make_peropen): Move `strdup` before port reference modifications, to fix abortion. * libnetfs/make-peropen.c (netfs_make_peropen): Check for `malloc` failure. Move `strdup` before port reference modifications, to fix abortion.
2013-09-21Fix gcc warning:Samuel Thibault
* libps/write.c (noise_write): Make `t` parameter a char * instead of unsigned char *.
2013-09-21Fix gcc warningSamuel Thibault
* libtrivfs/io-restrict-auth.c (listmember): Use uid_t type instead of int. (trivfs_S_io_restrict_auth): Make `i` variable an unsigned int, like the `num` field it is compared with
2013-09-19hurd: add _reply suffix to the routines in fsys_reply.defsJustus Winter
* hurd/fsys_reply.defs: Add _reply suffix.
2013-09-19hurd: add _reply suffix to the routines in process_reply.defsJustus Winter
* hurd/process_reply.defs: Add _reply suffix.
2013-09-19sutils: set up /dev/null using /bin/nullpriv in MAKEDEV.shJustus Winter
This patch makes MAKEDEV.sh use the /bin/nullpriv wrapper so that the storeio translator serving /dev/zero is started without any unix privileges. * sutils/MAKEDEV.sh (mkdev): Use /bin/nullpriv for /dev/zero.
2013-09-19daemons: make sure / is writable before setting up pflocalJustus Winter
runsystem.sh checks whether /servers/socket/1 exists and creates it using settrans -c if it does not. But at this point in the boot the root filesystem is normally not writable. This patch fixes this. * daemons/runsystem.sh: Make sure / is writable before attempting to set up pflocal.
2013-09-19Fix cursor sizeSamuel Thibault
The VGA card might have a bogus cursor end value, so better always write a value in there. * console-client/vga-dynafont.c (dynafont_set_cursor): Always pass height - 1 as end parameter for vga_set_cursor_size.
2013-09-17Remove UFS supportSamuel Thibault
It has been unused/untested/unmaintained for a decade now, and its 4-clause BSD licence poses problem. * configure.ac (default_static): Remove ufs. * Makefile (prog-subdirs): Remove ufs, ufs-fsck and ufs-utils. * NEWS, TODO: doc/hurd.texi, doc/navigating: Remove UFS notes. * ufs: Remove directory * ufs-fsck: Remove directory * ufs-utils: Remove directory * bsdfsck: Remove directory
2013-09-16Add match-options to utils sourcesJustus Winter
* utils/Makefile (SRCS): Add match-options.c
2013-09-16Use fsys_get_children from libcSamuel Thibault
* trans/Makefile (OBJS): Remove fsysUser.o.
2013-09-16Add missing includeSamuel Thibault
* libfshelp/translator-list.c: Include <libgen.h> to get `dirname' prototype.
2013-09-16Large store support for ext2fsRichard Braun
This is a revised version of the large store patch for ext2fs, written by Ognyan Kulev. It provides support for stores larger than 2 GiB. * ext2fs/balloc.c: Use the new disk_cache_block_ref and disk_cache_block_deref functions to access blocks from the disk cache. * ext2fs/ext2fs.c (main): Update initialization call to pokel_init, and call map_hypermetadata instead of get_hypermetadata. * ext2fs/ext2fs.h: Include <hurd/store.h> and <hurd/ihash.h>. (DISK_CACHE_BLOCKS): New macro. (DC_INCORE): Likewise. (DC_UNTOUCHED): Likewise. (DC_FIXED): Likewise. (DC_DONT_REUSE): Likewise. (DC_NO_BLOCK): Likewise. (DISK_CACHE_LAST_READ_XOR) [!NDEBUG]: Likewise. (struct disk_cache_info): New structure. (disk_cache): New external variable. (disk_cache_size): Likewise. (disk_cache_blocks): Likewise. (disk_cache_bptr): Likewise. (disk_cache_info): Likewise. (disk_cache_lock): Likewise. (disk_cache_reassociation): Likewise. (disk_cache_block_ref): New declaration. (disk_cache_block_ref_ptr): Likewise. (disk_cache_block_deref): Likewise. (disk_cache_block_is_ref): Likewise. (map_hypermetadata): Likewise. (trunc_block): Cast to off_t. (round_block): Likewise. (boffs): Likewise. (bptr_index): New macro. (boffs_ptr): Rewrite as an inline function to make it look up a block from the disk cache. (bptr_offs): Likewise. (dino): Remove function, replaced with ... (dino_ref): ... this one, which adds a reference to the inode block. (dino_deref): New inline function. (record_global_poke): Make sure block is referenced. (record_indir_poke): Likewise. (sync_global_ptr): Remove block reference, and adjust call to pager_sync_some. (sync_global): Add debug call to print wait parameter. * ext2fs/getblk.c: Use the new disk_cache_block_ref and disk_cache_block_deref functions to access blocks from the disk cache. * ext2fs/hyper.c (get_hypermetadata): Read the superblock from the store now that it's not directly mapped in memory. Move the initialization of zeroblock here from ... (map_hypermetadata): ... here. Also, set the superblock pointer. (diskfs_set_hypermetadata): Add a reference to the superblock. (diskfs_readonly_changed): Update call to mprotect. * ext2fs/ialloc.c: Use the new disk_cache_block_ref, disk_cache_block_ref_ptr and disk_cache_block_deref functions to access blocks from the disk cache. * ext2fs/inode.c: Update calls that used the disk image to use the disk cache, and use the new reference handling functions where appropriate. * ext2fs/pager.c: Include <unistd.h> and "../libpager/priv.h". (disk_image): Remove global variable. (disk_pager_read_page): Update cache information. (disk_pager_write_page): Likewise. (disk_pager_notify_evict): New function. (pager_notify_evict): Call disk_pager_notify_evict appropriately. (disk_cache): New global variable. (disk_cache_size): Likewise. (disk_cache_blocks): Likewise. (disk_cache_bptr): Likewise. (disk_cache_info): Likewise. (disk_cache_hint): Likewise. (disk_cache_lock): Likewise. (disk_cache_reassociation): Likewise. (disk_cache_init): New function. (disk_cache_return_unused): Likewise. (disk_cache_block_ref): Likewise. (disk_cache_block_ref_ptr): Likewise. (disk_cache_block_deref): Likewise. (disk_cache_block_is_ref): Likewise. (create_disk_pager): Update initialization of the disk pager. * ext2fs/pokel.c (pokel_add): Drop block references with disk_cache_block_deref. (_pokel_exec): Likewise. * ext2fs/truncate.c (trunc_indirect): Use the new disk_cache_block_ref and disk_cache_block_deref functions to access blocks from the disk cache.
2013-09-16Handle notification on page evictionRichard Braun
If requested by the user, make libpager call pager_notify_evict when a page is flushed out by the kernel. Based on work by Ognyan Kulev. * console/pager.c (pager_notify_evict): New function. (user_pager_create): Update call to pager_create. * ext2fs/pager.c: (pager_notify_evict): New function. (create_disk_pager): Update call to diskfs_start_disk_pager. (diskfs_get_filemap): Update call to pager_create. * fatfs/pager.c: (pager_notify_evict): New function. (create_fat_pager): Update call to diskfs_start_disk_pager. (diskfs_get_filemap): Update call to pager_create. * isofs/pager.c: (pager_notify_evict): New function. (create_disk_pager): Update call to diskfs_start_disk_pager. (diskfs_get_filemap): Update call to pager_create. * libdiskfs/disk-pager.c (diskfs_start_disk_pager): Update definition and call to pager_create. * libdiskfs/diskfs-pager.h (diskfs_start_disk_pager): Update declaration. * libpager/data-request.c (_pager_seqnos_memory_object_data_request): Take pager's `notify_on_evict' member into account when calling memory_object_data_supply. * libpager/data-return.c (_pager_do_write_request): Handle user notification on page flush. * libpager/pager-create.c (pager_create): Update definition and set pager's `notify_on_evict' member. * libpager/pager.h (pager_create): Update declaration. (pager_notify_evict): New declaration. * libpager/priv.h (struct pager): New `notify_on_evict' member. * storeio/pager.c: (pager_notify_evict): New function. (dev_get_memory_object): Update call to pager_create. * tmpfs/pager-stubs.c (pager_notify_evict): New function. * ufs/pager.c (pager_notify_evict): New function. (create_disk_pager): Update call to diskfs_start_disk_pager. (diskfs_get_filemap): Update call to pager_create.
2013-09-15exec: remove support for transparently ungziping executablesJustus Winter
Remove support for transparently ungziping executables from the exec server. The code in question makes the exec server unnecessarily complex and since the exec server is an essential process, crashing it makes /hurd/init crash the whole system. Since the gzip code is not thread-safe, all access to it is serialized, so there is a trivial way for one user to delay another users gzipped executables for some unspecified time. This can be accomplished by padding any program with easily compressed data, zipping it and executing it. Using such a program as an passive translator and then triggering its execution by the filesystem translator also stalls any requests to that filesystem (observed using the libdiskfs-based ext2fs). Since compressed executables cannot be mapped into the memory, they have to be uncompressed into allocated memory first. This is slower and any user with access to the exec server can make it allocate arbitrary amounts of memory. If the Hurd had proper memory accounting, this would probably be a way around it. So the compression support in exec seemingly creates various issues for little value, at least with the abundance of nonvolatile memory available today. * exec/Makefile: Remove gzip related files. * exec/exec.c: Remove anything #ifdef GZIPped. * exec/unzip.c: Move to libstore. * exec/crypt.h: Likewise. * exec/gzip.h: Likewise. * exec/inflate.c: Likewise. * exec/tailor.h: Likewise. * exec/util.c: Likewise. * libstore/Makefile: Remove the vpath magic for looking up the zip stuff.
2013-09-15exec: remove support for transparently unbzip2ing executablesJustus Winter
Remove support for transparently unbzip2ing executables from the exec server. The code in question makes the exec server unnecessarily complex and since the exec server is an essential process, crashing it makes /hurd/init crash the whole system. Since the bzip2 code is not thread-safe, all access to it is serialized, so there is a trivial way for one user to delay another users bzip2ed executables for some unspecified time. This can be accomplished by padding any program with easily compressed data, zipping it and executing it. Using such a program as an passive translator and then triggering its execution by the filesystem translator also stalls any requests to that filesystem (observed using the libdiskfs-based ext2fs). Since compressed executables cannot be mapped into the memory, they have to be uncompressed into allocated memory first. This is slower and any user with access to the exec server can make it allocate arbitrary amounts of memory. If the Hurd had proper memory accounting, this would probably be a way around it. So the compression support in exec seemingly creates various issues for little value, at least with the abundance of nonvolatile memory available today. * exec/Makefile: Remove bzip2 related files. * exec/exec.c: Remove anything #ifdef BZIP2ed. * exec/do-bunzip2.c: Move to libstore.
2013-09-15trans: add mtab translatorJustus Winter
The mtab translator provides an mtab file that is dynamically created on demand. It is populated with information about active translators bound below the given path that is accumulated by traversing the translator tree. It can also be invoked as normal program that prints the requested information to stdout. * trans/mtab.c: New file. * trans/Makefile: Build mtab.
2013-09-15hurd: add fsys_get_sourceJustus Winter
Return information about the source of the receiving filesystem. If the concept of a source is applicable, SOURCE should refer to the source of the receiving translator and should be a description considered appropriate in the context of the translator. For example for the case of block device based filesystems, SOURCE should be the file name of the underlying block device. * hurd/fsys.defs: Add fsys_get_source. * hurd/fsys_reply.defs: Add fsys_get_source.
2013-09-15trans/symlink.c: add fsys_get_sourceJustus Winter
Create a server function returning EOPNOTSUPP. * trans/symlink.c (S_fsys_get_source): New function.
2013-09-15libtrivfs: add fsys_get_sourceJustus Winter
* libtrivfs/Makefile: Add fsys-get-source.c and get-source.c * libtrivfs/trivfs.h: Add trivfs_get_source. * libtrivfs/fsys-get-source.c: New file. * libtrivfs/get-source.c: Likewise.
2013-09-15libnetfs: add fsys_get_sourceJustus Winter
Add a user overridable function netfs_get_source with a default implementation returning EOPNOTSUPP. Add a server function for fsys-get-source. * libnetfs/Makefile: Add fsys-get-source.c and get-source.c * libnetfs/netfs.h: Add netfs_get_source. * libnetfs/fsys-get-source.c: New file. * libnetfs/get-source.c: Likewise.
2013-09-15libdiskfs: add fsys_get_sourceJustus Winter
Add a user overridable function diskfs_get_source with a default implementation returning EOPNOTSUPP. Add a server function for fsys-get-source. * libdiskfs/Makefile: Add fsys-get-source.c and get-source.c * libdiskfs/diskfs.h: Add diskfs_get_source. * libdiskfs/fsys-get-source.c: New file. * libdiskfs/get-source.c: Likewise.
2013-09-15hurd: add fsys_get_childrenJustus Winter
fsys_get_children returns any active translators bound to nodes of the receiving filesystem as an argz vector containing file names relative to the root of the receiving translator. * hurd/fsys.defs: Add fsys_get_children. * hurd/fsys_reply.defs: Add fsys_get_children.
2013-09-15trans/symlink.c: add fsys_get_childrenJustus Winter
Create a server function returning EOPNOTSUPP. * trans/symlink.c (S_fsys_get_children): New function.
2013-09-15libtrivfs: add fsys_get_childrenJustus Winter
Create a server function returning EOPNOTSUPP. * libtrivfs/fsys-get-children.c: New file.
2013-09-15libnetfs: add fsys_get_childrenJustus Winter
Keep track of active translators and handle fsys_get_children requests. * libnetfs/Makefile (FSYSSRCS): Add fsys-get-children.c. * libnetfs/dead-name.c (ports_dead_name): Remove dead translators. * libnetfs/file-set-translator.c (netfs_S_file_set_translator): Register active translators. * libnetfs/fsys-get-children.c: New file.
2013-09-15libdiskfs: add fsys_get_childrenJustus Winter
Keep track of active translators and handle fsys_get_children requests. * libdiskfs/Makefile (FSYSSRCS): Add fsys-get-children.c. * libdiskfs/dead-name.c (ports_dead_name): Remove dead translators. * libdiskfs/file-set-trans.c (diskfs_S_file_set_translator): Register active translators. * libdiskfs/fsys-get-children.c: New file.
2013-09-15libfshelp: add translator-list.cJustus Winter
Add functions that maintain a list of active translators. * libfshelp/translator-list.c: New file. * libfshelp/fshelp.h: Add function declarations. * libfshelp/Makefile: Add translator-list.c, link against libihash.
2013-09-15libnetfs: track file name in struct peropenJustus Winter
Track the relative path used to obtain a file handle in the struct peropen. * libnetfs/netfs.h (struct peropen): New field path. * libnetfs/make-peropen.c (netfs_make_peropen): Initialize path. * libnetfs/release-peropen.c (netfs_release_peropen): Free path. * libnetfs/fsys-getroot.c (netfs_S_fsys_getroot): Initialize path. * libnetfs/dir-lookup.c (netfs_S_dir_lookup): Preserve the path.
2013-09-15libdiskfs: track file name in struct peropenJustus Winter
Track the relative path used to obtain a file handle in the struct peropen. * libdiskfs/diskfs.h (struct peropen): New field path. * libdiskfs/peropen-make.c (diskfs_make_peropen): Initialize path. * libdiskfs/peropen-rele.c (diskfs_release_peropen): Free path. * libdiskfs/fsys-getroot.c (diskfs_S_fsys_getroot): Initialize path. * libdiskfs/dir-lookup.c (diskfs_S_dir_lookup): Preserve the path.
2013-09-15libihash: add HURD_IHASH_ITERATE_ITEMS macroJustus Winter
Add a macro HURD_IHASH_ITERATE_ITEMS that iterates over all elements in the hash table making both the key and the value available. * libihash/ihash.h (HURD_IHASH_ITERATE_ITEMS): New macro.
2013-09-15proc: Remove unused declaration of zombie_listJustus Winter
* proc/proc.h (zombie_list): Remove declaration.
2013-09-15proc: remove unused file exc-reply.defsJustus Winter
* proc/exc-reply.defs: Delete file.
2013-09-15exec: keep track of the range where executable segments are mappedJustus Winter
Keep track of the range where executable segments are mapped into memory and hand that information over to the proc server. * exec/priv.h (struct execdata): Add {start,end}_code. * exec/exec.c (prepare): Initialize {start,end}_code. (load_section): Update {start,end}_code. (do_exec): Use proc_set_code to hand {start,end}_code to the proc server.
2013-09-15hurd: add proc_{get,set}_codeJustus Winter
Add routines to set and query the processes start_code and end_code locations. Any executable segments loaded from the ELF binary are in this range. * hurd/process.defs: Add proc_{get,set}_code. * hurd/process_reply.defs: Add proc_{get,set}_code. * hurd/process_request.defs: Add proc_{get,set}_code_request.
2013-09-15proc: keep track of {start,end}_codeJustus Winter
Any executable segments loaded from the ELF binary are in this range. * proc/proc.h (struct proc): Add {start,end}_code. * proc/mgt.h (S_proc_set_code): New function. * proc/mgt.h (S_proc_get_code): New function.
2013-09-10Fix variable namesSamuel Thibault
* utils/Makefile (mount-LDLIBS): Define to libblkid_LIBS instead of libblkid-LIBS (mount-CPPFLAGS): Likewise.
2013-09-09mount: handle -t autoJustus Winter
Use libblkid to detect the filesystem type if "auto" is given as type. Remove the translator localization from main, this is also done in do_mount and any errors are propagated properly. This way "auto" is handled correctly if given on the command line or used as filesystem type in the fstab. * configure.ac: Add check for libblkid. * config.make.in: Make libblkid specific values available. * utils/Makefile: Use libblkid specific values. * utils/mount.c (DEFAULT_FSTYPE): Use "auto" as default type. (do_mount): Detect type using libblkid. (main): Drop translator localization.
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