udisks2 doesn't use /media anymore, instead mounts removable media in a
user-private directory beneath /run. /media is hence mostly obsolete and
hence it makes little sense to continue to mount a tmpfs to it.
Distributions should consider dropping the mount point entirely since
nothing uses it anymore.
We do this only for the *primary* user tools, in order to avoid
unnecessary namespace problems. That means tools like systemd-notify
stay the way they are.
For clean session endings ask logind explicitly to get rid of the FIFO
before closing it so that the FIFO logic doesn't result in su/sudo to be
terminated immediately.
Roberto Sassu [Thu, 15 Mar 2012 18:06:11 +0000 (19:06 +0100)]
main: added support for loading IMA custom policies
This is an S/MIME signed message
The new function ima_setup() loads an IMA custom policy from a file in the
default location '/etc/ima/ima-policy', if present, and writes it to the
path 'ima/policy' in the security filesystem. This function is executed
at early stage in order to avoid that some file operations are not measured
by IMA and it is placed after the initialization of SELinux because IMA
needs the latter (or other security modules) to understand LSM-specific
rules. This feature is enabled by default and can be disabled by providing
the option '--disable-ima' to the configure script.
Roberto Sassu [Thu, 15 Mar 2012 18:06:10 +0000 (19:06 +0100)]
systemd: mount the securityfs filesystem at early stage
This is an S/MIME signed message
The mount of the securityfs filesystem is now performed in the main systemd
executable as it is used by IMA to provide the interface for loading custom
policies. The unit file 'units/sys-kernel-security.mount' has been removed
because it is not longer necessary.
Michal Schmidt [Fri, 2 Mar 2012 09:39:10 +0000 (10:39 +0100)]
util: never follow symlinks in rm_rf_children()
The function checks if the entry is a directory before recursing, but
there is a window between the check and the open, during which the
directory could be replaced with a symlink.
Marti Raudsepp [Fri, 9 Mar 2012 14:45:36 +0000 (16:45 +0200)]
journal: Don't hold pointers to journal while remapping
Hi!
I was trying out the journal and the journalctl utility sometimes
crashed on me. After some debugging, I tracked it down to the fact
that next_with_matches() holds the "c" object pointer through the
journal_file_next_entry_for_data() call -- which apparently may re-map
the journal file, invalidating the pointer.
The attached patch fixes this crash for me, but being unfamiliar with
the code, I don't know if I'm doing the right thing.
This patch is also available from my github repository:
git://github.com/intgr/systemd.git
https://github.com/intgr/systemd
Regards,
Marti
For the record, here's the original stack trace at the time of remapping:
ret=0x7fff1d5cdec0) at src/journal/journal-file.c:330
ret=0x7fff1d5cdf28) at src/journal/journal-file.c:414
ret=0x7fff1d5ce0a0, offset=0x7fff1d5ce098) at
src/journal/journal-file.c:1101
i=5705, ret=0x7fff1d5ce0a0, offset=0x7fff1d5ce098) at
src/journal/journal-file.c:1147
p=6413608, data_offset=66600, direction=DIRECTION_DOWN,
ret=0x7fff1d5ce0a0, offset=0x7fff1d5ce098) at
src/journal/journal-file.c:1626
direction=DIRECTION_DOWN, ret=0x7fff1d5ce120, offset=0x7fff1d5ce128)
at src/journal/sd-journal.c:533
direction=DIRECTION_DOWN, ret=0x7fff1d5ce170, offset=0x7fff1d5ce178)
at src/journal/sd-journal.c:595
src/journal/sd-journal.c:651
From 9266fc6a58065a7c5dab67430fd78925e519dce9 Mon Sep 17 00:00:00 2001
From: Marti Raudsepp <marti@juffo.org>
Date: Fri, 9 Mar 2012 16:23:00 +0200
Subject: [PATCH] journal: Don't hold pointers to journal while remapping
conf: when looking for configurations look in /etc first, in /run second
After long consideration we came to the conclusion that user
configuration in /etc should always override the (generally computer
generated) configuration in /run. User configuration should always be
what matters over anything else. Hence rearrange the search orders
accordingly.
In general this should change very little as overriding like this is
seldomn done so far, and the order between /etc and /usr stays the same.
socket: make sure that the name for per-connection services are unique
If a client connects to us repeatedly always using the same source port
and we instantiate a service for the incoming connection this might
clash with an old instance. Hence, include the connection number, the
same way we do it for AF_UNIX to make connections unique.
socket: if we fail to create an instantiated service for a socket, don't put the socket in failure mode
An incoming connection that is immediately terminated might result in
getpeername() or a similar call failing. Hence it is quite possible that
while we are setting up an instantiated service for a socket we might
get an error and we shouldn't take this as hint to take the listening
socket down.
Shawn Landden [Mon, 12 Mar 2012 19:48:52 +0000 (12:48 -0700)]
login: tag the Mimo 720 ID_AUTOSEAT
This device is a combination USB hub, displaylink graphics, and e2i touchscreen
Bus 001 Device 005: ID 058f:6254 Alcor Micro Corp. USB Hub
Bus 001 Device 006: ID 17e9:401a Newnham Research
Bus 001 Device 007: ID 1ac7:0001
|__ Port 1: Dev 5, If 0, Class=hub, Driver=hub/4p, 480M
|__ Port 2: Dev 6, If 0, Class=vend., Driver=udlfb, 480M
|__ Port 2: Dev 6, If 1, Class=HID, Driver=usbhid, 480M
|__ Port 3: Dev 7, If 0, Class=vend., Driver=usbtouchscreen, 12M
we need to make sure that configuration data we expose via the bus ends
up in using getting an assert(). Even though configuration data is only
parsed from trusted sources we should be more careful with what we read.
Michal Schmidt [Mon, 5 Mar 2012 21:47:54 +0000 (22:47 +0100)]
socket: fail the socket if the service keeps dying on start
If the service reaches the start limit, mark the sockets that activate
it as failed (with the result code 'service-broken').
This way the sockets won't act as tarpits for clients connecting to
them.
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