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2015-10-07Merge pull request #1484 from poettering/ask-pass-kernel-keyringDaniel Mack
cache harddisk passwords in the kernel keyring
2015-10-07basic: fix env expansion for strings leading with two dollar signsMichal Schmidt
The way to escape a literal dollar sign is to write "$$". But this does not work right if it's at the beginning of the argument. Fix it.
2015-10-07ask-password: add support for caching passwords in the kernel keyringLennart Poettering
This adds support for caching harddisk passwords in the kernel keyring if it is available, thus supporting caching without Plymouth being around. This is also useful for hooking up "gdm-auto-login" with the collected boot-time harddisk password, in order to support gnome keyring passphrase unlocking via the HDD password, if it is the same. Any passwords added to the kernel keyring this way have a timeout of 2.5min at which time they are purged from the kernel.
2015-10-07Merge pull request #1481 from again4you/devel/smack_sysuser_#4Daniel Mack
smack: label /etc/passwd and friends as '_' smack label when --with-smack-run-label' is enabled (v3)
2015-10-07strv: fix infinite loop in strv_extend_n()reverendhomer
Fixes Coverity #1325768
2015-10-07smack: label /etc/passwd and friends as '_' smack label when ↵Sangjung Woo
--with-smack-run-label' is enabled systemd-sysusers.service unit creates system users and groups and it could update /etc/passwd, /etc/group, /etc/shadow and /etc/gshadow. Those files should have '_' smack label because of accessibility. However, if systemd has its own smack label using '--with-smack-run-label' configuration, systemd-sysusers process spawned by systemd(pid:1) has its parent smack label and eventually updated files also is set as its parent smack label. This patch fixes that bug by labeling updated files as '_' smack label when --with-smack-run-label' is enabled.
2015-10-06siphash24: coding-style fixesTom Gundersen
Drop custom types. Drop unnecessary macros. Fix whitespace. Add asserts.
2015-10-06siphash24: unify APITom Gundersen
Make the API of the new helpers more similar to the old wrapper. In particular we now return the hash as a byte string to avoid any endianness problems.
2015-10-06Merge pull request #1469 from poettering/even-more-fixedDaniel Mack
Even more fixes
2015-10-06Merge pull request #1465 from teg/siphash24Lennart Poettering
hashmap/siphash24: refactor hash functions
2015-10-06util: some comment fixes in fdname_is_valid()Lennart Poettering
2015-10-06strv: properly return ENOMEM where we should in strv_extend_n()Lennart Poettering
2015-10-06Merge pull request #1468 from poettering/fdnamesTom Gundersen
Add support for naming fds for socket activation and more
2015-10-06core: add support for naming file descriptors passed using socket activationLennart Poettering
This adds support for naming file descriptors passed using socket activation. The names are passed in a new $LISTEN_FDNAMES= environment variable, that matches the existign $LISTEN_FDS= one and contains a colon-separated list of names. This also adds support for naming fds submitted to the per-service fd store using FDNAME= in the sd_notify() message. This also adds a new FileDescriptorName= setting for socket unit files to set the name for fds created by socket units. This also adds a new call sd_listen_fds_with_names(), that is similar to sd_listen_fds(), but also returns the names of the fds. systemd-activate gained the new --fdname= switch to specify a name for testing socket activation. This is based on #1247 by Maciej Wereski. Fixes #1247.
2015-10-06Merge pull request #1452 from poettering/journal-vacuumDaniel Mack
A variety of journal vacuuming improvements, plus an nspawn fix
2015-10-05hashmap: hash_funcs - make inputs unambiguousTom Gundersen
Make sure all variable-length inputs are properly terminated or that their length is encoded in some way. This avoids ambiguity of adjacent inputs. E.g., in case of a hash function taking two strings, compressing "ab" followed by "c" is now distinct from "a" followed by "bc".
2015-10-05hashmap: refactor hash_funcTom Gundersen
All our hash functions are based on siphash24(), factor out siphash_init() and siphash24_finalize() and pass the siphash state to the hash functions rather than the hash key. This simplifies the hash functions, and in particular makes composition simpler as calling siphash24_compress() repeatedly on separate chunks of input has the same effect as first concatenating the input and then calling siphash23_compress() on the result.
2015-10-05siphash24: expose the internal helper functionsTom Gundersen
2015-10-05siphash24: make siphash24_compress decomposableTom Gundersen
This allows the input to siphash24_compress to be decomposed into smaller chunks and the function to be called on each individual chunk.
2015-10-05siphash24: move last compression iteration from compression step to ↵Tom Gundersen
finalization step The last compression is special as it deals with the length byte, and padding. Move it to the finalization step in preparation for making compression decomposable.
2015-10-05siphash24: split out the compression stepTom Gundersen
2015-10-05siphash24: split out the finalization stepTom Gundersen
2015-10-05siphash24: introduce state structTom Gundersen
Encapsulate the four state variables in a struct so we can more easily pass them around.
2015-10-05missing.h : add bridge paramsSusant Sahani
2015-10-02util: rework fgetxattrat_fake() to use O_PATHLennart Poettering
That way, we don't ever open the file, thus leave the atime untouched, and this works even when unprivileged.
2015-10-01logind: remove warn_melody() logicLennart Poettering
The internal speaker is usually not available on modern latops that support suspend, and even if it is available in the hardware, most distributions turned support for it off in the kernel. And even if it is enabled, it's probably still a bad idea to make use of it for the suspend-failures. If anything a proper sound should be played. Long story short, let's remove support of this anachronism.
2015-10-01Merge pull request #1426 from poettering/log-syntaxDaniel Mack
logging fixes and more
2015-09-30Merge pull request #1419 from keszybz/shell-completionLennart Poettering
Shell completion tweaks
2015-09-30tree-wide: remove a number of invocations of strerror() and replace by %mLennart Poettering
Let's clean up our tree a bit, and reduce invocations of the thread-unsafe strerror() by replacing it with printf()'s %m specifier.
2015-09-30basic: split out cpu set specific APIs into cpu-set-util.[ch]Lennart Poettering
2015-09-30util: there cannot be trailing garbage when parsing cpu setsLennart Poettering
extract_first() already skips trailing whitespace, hence no reason to explicitly check for it.
2015-09-30util: rename parse_cpu_set() to parse_cpu_set_and_warn()Lennart Poettering
It's pretty untypical for our parsing functions to log on their own. Clarify in the name that this one does.
2015-09-30log: move log_invalid_utf8() to log.hLennart Poettering
Also, make sure it follows the same scheme as log_syntax() does in its behaviour.
2015-09-30tree-wide: clean up log_syntax() usageLennart Poettering
- Rely everywhere that we use abs() on the error code passed in anyway, thus don't need to explicitly negate what we pass in - Never attach synthetic error number information to log messages. Only log about errors we *receive* with the error number we got there, don't log any synthetic error, that don#t even propagate, but just eat up. - Be more careful with attaching exactly the error we get, instead of errno or unrelated errors randomly. - Fix one occasion where the error number and line number got swapped. - Make sure we never tape over OOM issues, or inability to resolve specifiers
2015-09-30Merge pull request #1415 from aakoskin/bootchart-v2Daniel Mack
[v2] bootchart: don't fail if "model name" is missing from cpuinfo
2015-09-30log: properly return -EINVAL from log_set_max_level_from_string()Lennart Poettering
If we just return the value we got from log_level_from_string() on failure we'll return -1, which is not a proper error code. log_set_target_from_string() did get this right already, hence let's fix this here too.
2015-09-30fileio: make get_status_field() more genericAaro Koskinen
All users of get_status_field() expect the field pattern to occur in the beginning of a line, and the delimiter is ':'. Hardcode this into the function, and also skip any whitespace before ':' to support fields in files like /proc/cpuinfo. Add support for returning the full field value (currently stops on first whitespace). Rename the function so it's easier to ensure all callers switch to new semantics.
2015-09-29Merge pull request #1408 from poettering/systemctl-and-moreDaniel Mack
Systemctl and more
2015-09-29systemctl: move strv_skip_first() out of systemctl.cLennart Poettering
Make it generic, call it strv_skip() and move it to strv.[ch]
2015-09-29core: rework crash handlingLennart Poettering
This introduces a new systemd.crash_reboot=1 kernel command line option that triggers a reboot after crashing. This also cleans up crash VT handling. Specifically, it cleans up the configuration setting, to be between 1..63 or a boolean. This is to replace the previous logic where "-1" meant disabled. We continue to accept that setting, but only document the boolean syntax instead. This also brings the documentation of the default settings in sync with what actually happens. The CrashChVT= configuration file setting is renamed to CrashChangeVT=, following our usual logic of not abbreviating unnecessarily. The old setting stays support for compat reasons. Fixes #1300
2015-09-29selinux: add _cleanup_ concepts to SELinux label allocationLennart Poettering
2015-09-29Merge pull request #1407 from dvdhrm/prioqLennart Poettering
prioq: drop stability guarantee
2015-09-29util: introduce common version() implementation and use it everywhereLennart Poettering
This also allows us to drop build.h from a ton of files, hence do so. Since we touched the #includes of those files, let's order them properly according to CODING_STYLE.
2015-09-29util: unify implementation of NOP signal handlerLennart Poettering
This is highly complex code after all, we really should make sure to only keep one implementation of this extremely difficult function around.
2015-09-29strv: add strv_free_free() to strv.c and make use of itLennart Poettering
Let's teach it a new trick, and make it return NULL.
2015-09-29tree-wide: port more code to use send_one_fd() and receive_one_fd()Lennart Poettering
Also, make it slightly more powerful, by accepting a flags argument, and make it safe for handling if more than one cmsg attribute happens to be attached.
2015-09-29prioq: never shuffle identical entriesDavid Herrmann
Skip shuffling identical entries in shuffle_up(), just like we already do in shuffle_down().
2015-09-29prioq: add introduction commentDavid Herrmann
Add comment to prioq.c explaining what it does. And more importantly, mention that we implement a Heap. It's more than annoying having to figure out what the code actually does, without ever mentioning the word 'heap'.
2015-09-28Move all unit states to basic/ and extend systemctl --state=helpZbigniew Jędrzejewski-Szmek
2015-09-28Move UnitActiveState to basic/Zbigniew Jędrzejewski-Szmek
Preparation to allow systemctl to query the list of unit states.