Jan Engelhardt [Thu, 26 Dec 2013 01:47:45 +0000 (02:47 +0100)]
man: grammar and wording improvements
This is a recurring submission and includes corrections to:
- missing words, preposition choice.
- change of /lib to /usr/lib, because that is what most distros are
using as the system-wide location for systemd/udev files.
Dave Reisner [Wed, 25 Dec 2013 17:58:37 +0000 (12:58 -0500)]
completion: don't offer completions for journalctl -b
Since this is a shortopt with an optional argument, assume the user
knows what they're doing. The longopts --boot and --this-boot will
continue to offer boot IDs as completions.
Dave Reisner [Wed, 25 Dec 2013 17:24:19 +0000 (12:24 -0500)]
journalctl: remove unexpected behavior of journalctl -b
This flag shouldn't try and consume the following argument. It should
behave like every other flag which takes an optional argument when
parsed by getopt_long.
Even if the lower-leveld dbus1 protocol calls it "serial", let's expose
the word "cookie" for this instead, as this is what kdbus uses and since
it doesn't imply monotonicity the same way "serial" does.
Dave Reisner [Tue, 24 Dec 2013 21:42:06 +0000 (16:42 -0500)]
sleep-config: fix useless check for swapfile type
Since 0c6f1f4ea49 the check was useless, because the kernel will
ever only write "partition" or "file" there.
OTOH, it is possible that "\\040(deleted)" (escaped " (deleted)")
will be added for removed files. This should not happen, so add
a warning to detect those cases.
tmpfiles: introduce the concept of unsafe operations
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.
This allows userspace to fake kdbus creds via struct ucred in the proxy,
without making the recieving side choke on the missing fields of the
kdbus struct, more precisel pid_starttime and tid
bus: allow peeking signatures recusively inside of containers
Previously we invalidated the peeked signature as soon as the caller
would recurse into a container, making stack based handling difficult.
With this change we will keep the peeked signature around until the user
advances to the next field.
bus: switch kdbus bloom filter over to SipHash (from MurmurHash3)
Let's try to standardize on a single non-cryptographic hash algorithm,
and for that SipHash appears to be the best answer.
With this change there are two other hash functions left in systemd: an
older version of MurmurHash embedded into libudev for the bloom filters
in udev messages (which is hard to update, given that the we probably
should stay compatible with older versions of the library). And lookup3
in the journal files (which we could replace for new files, but which is
probably not worth the work).
sd-daemon: introduce sd_watchdog_enabled() for parsing $WATCHDOG_USEC
Also, introduce a new environment variable named $WATCHDOG_PID which
cotnains the PID of the process that is supposed to send the keep-alive
events. This is similar how $LISTEN_FDS and $LISTEN_PID work together,
and protects against confusing processes further down the process tree
due to inherited environment.
Patrik Flykt [Fri, 20 Dec 2013 15:16:18 +0000 (17:16 +0200)]
libsystemd-dhcp: Handle T1 Renewing timeout
Expiration of T1 timeout takes the client to the Rebinding state,
where it attempts to renew its lease. Start by opening a DCHP unicast
socket as there now is a proper IP address set.
Compute the resend timer as half of the remaining time down to a
minimum of 60 seconds (RFC2131). Modify DHCP Request sending to send
only UDP DHCP data when unicasting. Also modify DHCP Ack/Nak
receiving such that the client_receive_ack() takes care of using
either the full IP, UDP, DHCP packet or only the DHCP payload
depending whether the client is in Requesting or Renewing state.
Finally always report DHCP_EVENT_IP_ACQUIRE from Requesting state
and only DHCP_EVENT_IP_CHANGE if the IP address was modified when
the lease was renewed.
Patrik Flykt [Fri, 20 Dec 2013 15:16:14 +0000 (17:16 +0200)]
libsystemd-dhcp: Fix receiving of other message when expecting Ack
When a DHCP Nak is received, return a DHCP_EVENT_NO_LEASE event. If
some other DHCP message is received or an error happens when parsing
options, return -ENOMSG in order to ignore the packet. There may be
more than one server serving the same subnet, each server will send
its Offer to the client.
Thomas Bächler [Sat, 21 Dec 2013 10:22:37 +0000 (11:22 +0100)]
fstab-generator: Do not try to fsck non-devices
This fixes a regression introduced in 64e70e4 where the mount fails
when fstab is misconfigured with fs_passno > 0 on a virtual file
system like nfs, and the type is specified as "auto".