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2015-05-13util: add generic calls for prefixing a root directory to a pathLennart Poettering
So far a number of utilities implemented their own calls for this, unify them in prefix_root() and prefix_roota(). The former uses heap memory, the latter allocates from the stack via alloca(). Port over most users of a --root= logic.
2015-05-13core: make exec code a bit more readableLennart Poettering
Let's add a function that checks whether we need fs namespacing, to make things easier to read, instead of using a humungous if expression...
2015-05-13core: fix memory leak in manager_run_generators()Cristian Rodríguez
If systemd is built with GCC address sanitizer or leak sanitizer the following memory leak ocurs: May 12 02:02:46 linux.site systemd[326]: ================================================================= May 12 02:02:46 linux.site systemd[326]: ==326==ERROR: LeakSanitizer: detected memory leaks May 12 02:02:46 linux.site systemd[326]: Direct leak of 101 byte(s) in 3 object(s) allocated from: May 12 02:02:46 linux.site systemd[326]: #0 0x7fd1f504993f in strdup (/usr/lib64/libasan.so.2+0x6293f) May 12 02:02:46 linux.site systemd[326]: #1 0x55d6ffac5336 in strv_new_ap src/shared/strv.c:163 May 12 02:02:46 linux.site systemd[326]: #2 0x55d6ffac56a9 in strv_new src/shared/strv.c:185 May 12 02:02:46 linux.site systemd[326]: #3 0x55d6ffa80272 in generator_paths src/shared/path-lookup.c:223 May 12 02:02:46 linux.site systemd[326]: #4 0x55d6ff9bdb0f in manager_run_generators src/core/manager.c:2828 May 12 02:02:46 linux.site systemd[326]: #5 0x55d6ff9b1a10 in manager_startup src/core/manager.c:1121 May 12 02:02:46 linux.site systemd[326]: #6 0x55d6ff9a78e3 in main src/core/main.c:1667 May 12 02:02:46 linux.site systemd[326]: #7 0x7fd1f394e8c4 in __libc_start_main (/lib64/libc.so.6+0x208c4) May 12 02:02:46 linux.site systemd[326]: Direct leak of 29 byte(s) in 1 object(s) allocated from: May 12 02:02:46 linux.site systemd[326]: #0 0x7fd1f504993f in strdup (/usr/lib64/libasan.so.2+0x6293f) May 12 02:02:46 linux.site systemd[326]: #1 0x55d6ffac5288 in strv_new_ap src/shared/strv.c:152 May 12 02:02:46 linux.site systemd[326]: #2 0x55d6ffac56a9 in strv_new src/shared/strv.c:185 May 12 02:02:46 linux.site systemd[326]: #3 0x55d6ffa80272 in generator_paths src/shared/path-lookup.c:223 May 12 02:02:46 linux.site systemd[326]: #4 0x55d6ff9bdb0f in manager_run_generators src/core/manager.c:2828 May 12 02:02:46 linux.site systemd[326]: #5 0x55d6ff9b1a10 in manager_startup src/core/manager.c:1121 May 12 02:02:46 linux.site systemd[326]: #6 0x55d6ff9a78e3 in main src/core/main.c:1667 May 12 02:02:46 linux.site systemd[326]: #7 0x7fd1f394e8c4 in __libc_start_main (/lib64/libc.so.6+0x208c4) May 12 02:02:46 linux.site systemd[326]: SUMMARY: AddressSanitizer: 130 byte(s) leaked in 4 allocation(s). There is a leak due to the the use of cleanup_free instead _cleanup_strv_free_
2015-05-13nspawn: skip symlink to a combined cgroup hierarchy if it already existsIago López Galeiras
If a symlink to a combined cgroup hierarchy already exists and points to the right path, skip it. This avoids an error when the cgroups are set manually before calling nspawn.
2015-05-13nspawn: only mount the cgroup root if it's not already mountedIago López Galeiras
This allows the user to set the cgroups manually before calling nspawn.
2015-05-13Default to /usr/bin/u?mount, configurable, rather than hard-coded /bin/u?mount.Dimitri John Ledkov
2015-05-13core: never create device depencies for /dev/root mountsLennart Poettering
http://lists.freedesktop.org/archives/systemd-devel/2015-May/031658.html
2015-05-13nspawn: rework custom mount point order, and add support for overlayfsLennart Poettering
Previously all bind mount mounts were applied in the order specified, followed by all tmpfs mounts in the order specified. This is problematic, if bind mounts shall be placed within tmpfs mounts. This patch hence reworks the custom mount point logic, and alwas applies them in strict prefix-first order. This means the order of mounts specified on the command line becomes irrelevant, the right operation will always be executed. While we are at it this commit also adds native support for overlayfs mounts, as supported by recent kernels.
2015-05-13modules-load: fix memory leakCristian Rodríguez
================================================================= ==64281==ERROR: LeakSanitizer: detected memory leaks Direct leak of 32 byte(s) in 1 object(s) allocated from: #0 0x7f623c961c4a in malloc (/usr/lib64/libasan.so.2+0x96c4a) #1 0x5651f79ad34e in malloc_multiply (/home/crrodriguez/scm/systemd/systemd-modules-load+0x2134e) #2 0x5651f79b02d6 in strjoin (/home/crrodriguez/scm/systemd/systemd-modules-load+0x242d6) #3 0x5651f79be1f5 in files_add (/home/crrodriguez/scm/systemd/systemd-modules-load+0x321f5) #4 0x5651f79be6a3 in conf_files_list_strv_internal (/home/crrodriguez/scm/systemd/systemd-modules-load+0x326a3) #5 0x5651f79bea24 in conf_files_list_nulstr (/home/crrodriguez/scm/systemd/systemd-modules-load+0x32a24) #6 0x5651f79ad01a in main (/home/crrodriguez/scm/systemd/systemd-modules-load+0x2101a) #7 0x7f623c11586f in __libc_start_main (/lib64/libc.so.6+0x2086f) SUMMARY: AddressSanitizer: 32 byte(s) leaked in 1 allocation(s). This happens due to the wrong cleanup attribute is used (free vs strv_free)
2015-05-13shared: Use O_EXCL with O_TMPFILE in open_tmpfileCristian Rodríguez
In this usecase, the file will never be materialized with linkat().
2015-05-12fsck: add enum with fsck exit codesThomas Hindoe Paaboel Andersen
2015-05-12udevd: manager - move a few global variables into the Manager objectTom Gundersen
2015-05-12udevd: pass a Manager objcet to event handlersTom Gundersen
Stop relying on global variables in event handlers, and move them all to a Manager object instead.
2015-05-12boot: function parameters are separated by commaKay Sievers
2015-05-12core: drop redundant logging about notification messagesTom Gundersen
Before: May 12 17:11:22 tomegun-x2402 systemd[1]: systemd-udevd.service: Got notification message for unit. May 12 17:11:22 tomegun-x2402 systemd[1]: systemd-udevd.service: Got notification message from PID 195 (READY=1) May 12 17:11:22 tomegun-x2402 systemd[1]: systemd-udevd.service: Ggot READY=1 After: May 12 17:11:22 tomegun-x2402 systemd[1]: systemd-udevd.service: Got notification message from PID 195 (READY=1)
2015-05-12udevd: remove stale commentTom Gundersen
2015-05-12udevd: explicitly update queue file before answering to pingTom Gundersen
This avoids updating the flag files twice for every loop, and also removes another dependency in the main-loop, so we are freer to reshufle it as we want.
2015-05-12udevd: explicitly read out uevents we create ourselvesTom Gundersen
Rather than skippling ctrl handling whenever we have handlede inotify events (and hence may have synthesized a 'change' event), just call the uevent handling explicitly from on_inotify() so that the event queue is up-to-date.
2015-05-12udevd: move to sd-event-style event handlersTom Gundersen
2015-05-12networkd: network_get - allow udev_device to be NULLTom Gundersen
In containers we never have udev devices, so drop the assert. This fixes an assertion introduced in af3aa302741b6edb0729925febb5f8bc26721fe3.
2015-05-12udevd: make udev_ctrl_connection globalTom Gundersen
This allows us to simplify the ctrl_msg handler. Eventually all this global state should move to a Manager object or so.
2015-05-12systemctl: fix check for template unitsThomas Hindoe Paaboel Andersen
A typo from 7410616c. We want to ignore EINVAL but only catch errors.
2015-05-11update TODOLennart Poettering
2015-05-11install: when exporting prefix InstallInfo to become UnitFileInstallInfoLennart Poettering
All other types exported from install.h should be namespaces like this, hence namespace InstallInfo the same way. Also, remove external forward definition of UnitFileScope type.
2015-05-11core: rename SystemdRunningAs to ManagerRunningAsLennart Poettering
It's primarily just a property of the Manager object after all, and we try to refer to PID 1 as "manager" instead of "systemd", hence let's to stick to this here too.
2015-05-11unit: move unit_warn_if_dir_nonempty() and friend to unit.cLennart Poettering
The call is only used by the mount and automount unit types, but that's already enough to consider it generic unit functionality, hence move it out of mount.c and into unit.c.
2015-05-11core,network: major per-object logging reworkLennart Poettering
This changes log_unit_info() (and friends) to take a real Unit* object insted of just a unit name as parameter. The call will now prefix all logged messages with the unit name, thus allowing the unit name to be dropped from the various passed romat strings, simplifying invocations drastically, and unifying log output across messages. Also, UNIT= vs. USER_UNIT= is now derived from the Manager object attached to the Unit object, instead of getpid(). This has the benefit of correcting the field for --test runs. Also contains a couple of other logging improvements: - Drops a couple of strerror() invocations in favour of using %m. - Not only .mount units now warn if a symlinks exist for the mount point already, .automount units do that too, now. - A few invocations of log_struct() that didn't actually pass any additional structured data have been replaced by simpler invocations of log_unit_info() and friends. - For structured data a new LOG_UNIT_MESSAGE() macro has been added, that works like LOG_MESSAGE() but prefixes the message with the unit name. Similar, there's now LOG_LINK_MESSAGE() and LOG_NETDEV_MESSAGE(). - For structured data new LOG_UNIT_ID(), LOG_LINK_INTERFACE(), LOG_NETDEV_INTERFACE() macros have been added that generate the necessary per object fields. The old log_unit_struct() call has been removed in favour of these new macros used in raw log_struct() invocations. In addition to removing one more function call this allows generated structured log messages that contain two object fields, as necessary for example for network interfaces that are joined into another network interface, and whose messages shall be indexed by both. - The LOG_ERRNO() macro has been removed, in favour of log_struct_errno(). The latter has the benefit of ensuring that %m in format strings is properly resolved to the specified error number. - A number of logging messages have been converted to use log_unit_info() instead of log_info() - The client code in sysv-generator no longer #includes core code from src/core/. - log_unit_full_errno() has been removed, log_unit_full() instead takes an errno now, too. - log_unit_info(), log_link_info(), log_netdev_info() and friends, now avoid double evaluation of their parameters
2015-05-11core: always initialize ExecParamters.bus_endpoint_fd to -1Lennart Poettering
Otherwise it might be passed in as 0, which is a valid fd, but usually does not refer to a real endpoint.
2015-05-11units: order nspawn containers after network.targetLennart Poettering
This way we know that any bridges and other user-created network devices are in place, and can be properly added to the container. In the long run this should be dropped, and replaced by direct calls inside nspawn that cause the devices to be created when necessary.
2015-05-11util: optimize free_and_strdup() if NOPLennart Poettering
Under the assumption that strcmp() is cheaper than memory allocation, let's avoid the allocation, if the new value is identical to the old.
2015-05-11nspawn: pass on kill signal setting to contaner scopeLennart Poettering
Let's just pass on what the user set for us.
2015-05-11update TODOLennart Poettering
2015-05-11test-libudev: fix leak in error caseThomas Hindoe Paaboel Andersen
CID# 1297428
2015-05-11swap: avoid null pointer dereferenceThomas Hindoe Paaboel Andersen
CID#1297436
2015-05-11treewide: Correct typos and spell plural of bus consistentTorstein Husebø
2015-05-10Generate systemd-fsck-root.service in the initramfsZbigniew Jędrzejewski-Szmek
In the initrafms, generate a systemd-fsck-root.service to replace systemd-fsck@<sysroot-device>.service. This way, after we transition to the real root, systemd-fsck-root.service is marked as already done. This introduces an unnecessary synchronization point, because systemd-fsck@* is ordered after systemd-fsck-root also in the initramfs. In practice this shouldn't be a problem. https://bugzilla.redhat.com/show_bug.cgi?id=1201979 C.f. 956eaf2b8d6c9999024705ddadc7393bc707de02.
2015-05-09man: fix typos in previous comimtZbigniew Jędrzejewski-Szmek
2015-05-09man: document forwarding to syslog betterZbigniew Jędrzejewski-Szmek
https://bugzilla.redhat.com/show_bug.cgi?id=1147651
2015-05-09buildsys: *_la_CPPFLAGS takes $(AM_CPPFLAGS) not $(AM_CFLAGS)Cristian Rodríguez
2015-05-07udevd: remove unused functionThomas Hindoe Paaboel Andersen
2015-05-06udevd: don't explicitly count the number of workersTom Gundersen
Simply query the size of the hashmap keeping all the worker contexts instead.
2015-05-06udevd: keep workers in a hashmap rather than a listTom Gundersen
This makes the code somewhat more readable.
2015-05-06udevd: worker - drop reference countingTom Gundersen
Make the worker context have the same life-span as the worker process. It is created on fork() and free'd on SIGCHLD. The change means that we can get worker_returned() for a worker context that is no longer around, this is not a problem and we can just drop the message. The only use for worker_returned() is to know to reschedule events to workers that are still around, so if the worker has already exited it is not important to keep track of. We still print a debug statement in this case to be on the safe side.
2015-05-06device: avoid null pointer dereferenceThomas Hindoe Paaboel Andersen
2015-05-06udev: fix weird coding-styleDavid Herrmann
Eeeew!
2015-05-06test-libudev: add error handlingThomas Hindoe Paaboel Andersen
CID#1296244
2015-05-06udevd: worker - allow passing NULL to worker_unref()Tom Gundersen
2015-05-06udevd: worker - use _exit() rather than exit()Tom Gundersen
Follow the coding style and avoid the exit handlers.
2015-05-06udevd: modernize error handlingTom Gundersen
We never return magic exit codes, but just EXIT_FAILUER or EXIT_SUCCESS.
2015-05-06udevd: use kernel cmdline parserTom Gundersen
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