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* implement a union to pad out file_handleDave Reisner2014-04-21
| | | | | | | | | | Cases where name_to_handle_at is used allocated the full struct to be MAX_HANDLE_SZ, and assigned this size to handle_bytes. This is wrong since handle_bytes should describe the length of the flexible array member and not the whole struct. Define a union type which includes sufficient padding to allow assignment of MAX_HANDLE_SZ to be correct.
* util: replace close_nointr_nofail() by a more useful safe_close()Lennart Poettering2014-03-18
| | | | | | | | | | | | | | | safe_close() automatically becomes a NOP when a negative fd is passed, and returns -1 unconditionally. This makes it easy to write lines like this: fd = safe_close(fd); Which will close an fd if it is open, and reset the fd variable correctly. By making use of this new scheme we can drop a > 200 lines of code that was required to test for non-negative fds or to reset the closed fd variable afterwards.
* shared: export is_dirZbigniew Jędrzejewski-Szmek2014-03-17
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* tmpfiles: add --root option to operate on an alternate fs treeMichael Marineau2014-03-14
| | | | | This makes it possible to initialize or cleanup an arbitrary filesystem hierarchy in the same way that it would be during system boot.
* shared: add root argument to search_and_fopenMichael Marineau2014-03-14
| | | | | | | This adds the same root argument to search_and_fopen that conf_files_list already has. Tools that use those two functions as a pair can now be easily modified to load configuration files from an alternate root filesystem tree.
* tmpfiles: simplificationLennart Poettering2014-02-19
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* tmpfiles: fix memory leak of exclude_prefixesZbigniew Jędrzejewski-Szmek2014-01-30
| | | | Missed in 5c795114.
* tmpfiles: don't allow label_fix to print ENOENT when we want to ignore itLukas Nykryn2014-01-09
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* tmpfiles: rename --unsafe to --bootZbigniew Jędrzejewski-Szmek2013-12-30
| | | | | As suggested by Kay, it is better to describe what is done, not what might happen.
* tmpfiles: introduce the concept of unsafe operationsZbigniew Jędrzejewski-Szmek2013-12-24
| | | | | | | | | | | | | | | | | | | | | | | | Various operations done by systemd-tmpfiles may only be safely done at boot (e.g. removal of X lockfiles in /tmp, creation of /run/nologin). Other operations may be done at any point in time (e.g. setting the ownership on /{run,var}/log/journal). This distinction is largely orthogonal to the type of operation. A new switch --unsafe is added, and operations which should only be executed during bootup are marked with an exclamation mark in the configuration files. systemd-tmpfiles.service is modified to use this switch, and guards are added so it is hard to re-start it by mistake. If we install a new version of systemd, we actually want to enforce some changes to tmpfiles configuration immediately. This should now be possible to do safely, so distribution packages can be modified to execute the "safe" subset at package installation time. /run/nologin creation is split out into a separate service, to make it easy to override. https://bugzilla.redhat.com/show_bug.cgi?id=1043212 https://bugzilla.redhat.com/show_bug.cgi?id=1045849
* log: log_error() and friends add a newline after each line anyway, so avoid ↵Lennart Poettering2013-12-24
| | | | including it in the log strings
* tmpfiles: replace readdir_r with readdirFlorian Weimer2013-12-21
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* clients: unify how we invoke getopt_long()Lennart Poettering2013-11-06
| | | | | Among other things this makes sure we always expose a --version command and show it in the help texts.
* build-sys: use -Og instead of -O0 to catch warningsKay Sievers2013-10-21
| | | | | | | | | | | | | | | | | | | | | | | | $ touch src/core/dbus.c; make CFLAGS=-O0 make --no-print-directory all-recursive Making all in . CC src/core/libsystemd_core_la-dbus.lo CCLD libsystemd-core.la $ touch src/core/dbus.c; make CFLAGS=-Og make --no-print-directory all-recursive Making all in . CC src/core/libsystemd_core_la-dbus.lo src/core/dbus.c: In function 'init_registered_system_bus': src/core/dbus.c:798:18: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized] dbus_free(id); ^ CCLD libsystemd-core.la -Og Optimize debugging experience. -Og enables optimizations that do not interfere with debugging. It should be the optimization level of choice for the standard edit-compile-debug cycle, offering a reasonable level of optimization while maintaining fast compilation and a good debugging experience.
* tmpfiles: log unaccessible FUSE mount points only as debug messageKay Sievers2013-10-17
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* util: allow trailing semicolons on define_trivial_cleanup_func linesLennart Poettering2013-10-14
| | | | | | | | | | | | | | | | Emacs C indenting really gets confused by these lines if they carry no trailing semicolon, hence let's make this nicer for good old emacs. The other macros which define functions already do this too, so let's copy the scheme here. Also, let's use an uppercase name for the macro. So far our rough rule was that macros that are totally not function-like (like this ones, which define a function) are uppercase. (Well, admittedly it is a rough rule only, for example function and variable decorators are all lower-case SINCE THE CONSTANT YELLING IN THE SOURCES WOULD SUCK, and also they at least got underscore prefixes.) Also, the macros that define functions that we already have are all uppercase, so let's do the same here...
* Introduce udev object cleanup functionsZbigniew Jędrzejewski-Szmek2013-10-13
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* tmpfiles: add a new "m" line type that adjusts user/group/mode of a file if ↵Lennart Poettering2013-09-17
| | | | it exists
* tmpfiles: support simple specifier expansion for specified pathsLennart Poettering2013-09-17
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* tmpfiles: introduce --exclude-prefixDave Reisner2013-07-24
| | | | | The opposite of --prefix, allows specifying path prefixes which should be skipped when processing rules.
* tmpfiles: support passing --prefix multiple timesDave Reisner2013-07-24
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* tmpfiles: Fix memory leak in parse_line()Maciej Wereski2013-07-19
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* tmpfiles: fix error checkLennart Poettering2013-06-21
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* Add set_consume which always takes ownershipZbigniew Jędrzejewski-Szmek2013-04-24
| | | | Freeing in error path is the common pattern with set_put().
* move _cleanup_ attribute in front of the typeHarald Hoyer2013-04-18
| | | | http://lists.freedesktop.org/archives/systemd-devel/2013-April/010510.html
* Fix spelling errors using 'codespell' toolAnatol Pomozov2013-04-15
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* Add _cleanup_globfree_Zbigniew Jędrzejewski-Szmek2013-04-05
| | | | Fixes a memleak in error path in exec_context_load_environment.
* Use initalization instead of explicit zeroingZbigniew Jędrzejewski-Szmek2013-04-05
| | | | | | | | | | | | | | | | | | | | | | | Before, we would initialize many fields twice: first by filling the structure with zeros, and then a second time with the real values. We can let the compiler do the job for us, avoiding one copy. A downside of this patch is that text gets slightly bigger. This is because all zero() calls are effectively inlined: $ size build/.libs/systemd text data bss dec hex filename before 897737 107300 2560 1007597 f5fed build/.libs/systemd after 897873 107300 2560 1007733 f6075 build/.libs/systemd … actually less than 1‰. A few asserts that the parameter is not null had to be removed. I don't think this changes much, because first, it is quite unlikely for the assert to fail, and second, an immediate SEGV is almost as good as an assert.
* util: add a bit of syntactic sugar to run short code fragments with a ↵Lennart Poettering2013-04-04
| | | | different umask
* util: rename parse_usec() to parse_sec() sinds the default unit is secondsLennart Poettering2013-04-03
| | | | | | | | Internally we store all time values in usec_t, however parse_usec() actually was used mostly to parse values in seconds (unless explicit units were specified to define a different unit). Hence, be clear about this and name the function about what we pass into it, not what we get out of it.
* tmpfiles: fix obscure leak in error pathZbigniew Jędrzejewski-Szmek2013-03-31
| | | | | The leak was because of the single return in midst of all 'goto finish'es. Using automatic cleanup simplifies things.
* Always use errno > 0 to help gccZbigniew Jędrzejewski-Szmek2013-03-29
| | | | | | gcc thinks that errno might be negative, and functions could return something positive on error (-errno). Should not matter in practice, but makes an -O4 build much quieter.
* tmpfiles: add missing missing.h includeZbigniew Jędrzejewski-Szmek2013-03-13
| | | | | | | mbiebl> src/tmpfiles/tmpfiles.c:221:13: error: ‘MAX_HANDLE_SZ’ undeclared (first use in this function) Fixup for 427b47c4abaf4b5.
* tmpfiles: --clean -- check for bind mounts of the same filesystem and skip themKay Sievers2013-03-13
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* tmpfiles: use cleanup func. to save a few linesZbigniew Jędrzejewski-Szmek2013-03-03
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* tmpfiles: move exclamation mark into right placeLukas Nykryn2013-03-03
| | | | | Unary not has higher precedence than comparisons, so the condition was bogus.
* binfmt,tmpfiles,modules-load,sysctl: rework the various early-boot services ↵Lennart Poettering2013-02-11
| | | | | | | | | | | | | | | | | | | that work on .d/ directories This unifies much of the logic behind them: - All four will now ofllow the rule that the earlier file and earlier assignment in the .d/ directories wins. Before, sysctl was the only outlier, where the later setting always won. - All four now support getopt() and --help on the command line. - All four can now handle specification of configuration file names on the command line to apply. The tools will automatically find them, and apply them. Previously only tmpfiles could do that. This is useful for %post scripts in RPMs and suchlike. - This fixes various error path issues in conf_files_list()
* shared: conf-files - add root parameterKay Sievers2013-02-08
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* tmpfiles: introduce type XMichal Sekletar2013-01-25
| | | | | | | | | | Type X will exclude path itself from clean-up. However, if the path is a directory systemd-tmpfiles will clean-up its content. In contrast to type x, where path is ignored completely, type X needs some Age parameter. In order to determine Age parameter, we will look for config entries of type d or D and pick the best match. Best match is either exact match or longest prefix match.
* tmpfiles: Fix file descriptor leak on errorThomas Jarosch2013-01-03
| | | | Detected by cppcheck
* tmpfiles: allow Age to be set to 0Tom Gundersen2012-10-23
| | | | | | | Mostly useful for testing purposes. Setting Age to 1s works just as well, but it is surprising that using 0s (or just 0) does not work. Also clarify this in the documentation.
* udev: add hardware database supportKay Sievers2012-10-23
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* tmpfiles: restore previous behavior for F/fDave Reisner2012-09-27
| | | | | | d4e9eb91ea changed the behavior for the F and f actions, wrongly sending them to glob_item(). Restore the old behavior and shortcut straight to write_one_file().
* util: define union dirent_storage and make use of it everywhereLennart Poettering2012-09-19
| | | | | | Make sure to allocate enough space for readdir_r(). https://bugzilla.redhat.com/show_bug.cgi?id=858754
* tmpfiles: use write(2) for the 'w' actionDave Reisner2012-09-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This resolves problems with filesystems which do not implement the aio_write file operation. In this case, the kernel will fall back using a loop writing technique for each pointer in a received iovec. The result is strange errors in dmesg such as: [ 31.855871] elevator: type not found [ 31.856262] elevator: switch to [ 31.856262] failed It does not make sense to implement a synchronous aio_write method for sysfs as this isn't a real filesystem where a reasonable use case for using writev exists, nor is there an expectation that tmpfiles will be used to write more data than can be reasonably written in a single write syscall. In addition, some sysfs attrs are currently buggy and will NOT reject the second write with the newline, causing the sysfs value to be zeroed out. This of course should be fixed in the kernel regardless of any wrongdoing in userspace, but this simple change makes us immune to such a bug. This change means that we do not write a trailing newline by default, as the expected use case of 'w' is for sysfs and procfs. In exchange, honor C-style backslash escapes so that if the newline is really needed, the user can add it.
* tmpfiles: plug file descriptor leak.Dave Reisner2012-09-13
| | | | Introduced in d4e9eb91.
* tmpfiles: support globbing for w optionDave Reisner2012-09-12
| | | | | | | | | | Break out the write logic into a separate function and simply use it as a callback to glob_item. This allows users to consolidate writes to sysfs with multiple similar pathnames, e.g. w /sys/class/block/sd[a-z]/queue/read_ahead_kb - - - - 1024
* tmpfiles: don't attempt creation of device nodes when we run in a containerLennart Poettering2012-09-05
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* log.h: new log_oom() -> int -ENOMEM, use itShawn Landden2012-07-26
| | | | | | also a number of minor fixups and bug fixes: spelling, oom errors that didn't print errors, not properly forwarding error codes, few more consistency issues, et cetera
* use "Out of memory." consistantly (or with "\n")Shawn Landden2012-07-25
| | | | | | | | glibc/glib both use "out of memory" consistantly so maybe we should consider that instead of this. Eliminates one string out of a number of binaries. Also fixes extra newline in udev/scsi_id
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