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Thanks to Olaf Hering <olh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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If the kernel forks us as an usermodhelper, we don't have any of
the standard fd's and the first open() will start with fd=0.
This is inherited to all forked childs and confuses later forked
helpers where we want to read from a pipe connected to the helpers
stdout/stderr.
# ls -l /proc/$(pidof udevd)/fd
total 6
dr-x------ 2 root root 0 2005-08-18 12:44 .
dr-xr-xr-x 4 root root 0 2005-08-18 12:44 ..
lrwx------ 1 root root 64 2005-08-18 12:44 0 -> /dev/null
lrwx------ 1 root root 64 2005-08-18 12:44 1 -> socket:[1274617]
lr-x------ 1 root root 64 2005-08-18 12:44 2 -> pipe:[1274618]
l-wx------ 1 root root 64 2005-08-18 12:44 3 -> pipe:[1274618]
lrwx------ 1 root root 64 2005-08-18 12:44 4 -> socket:[1274619]
lrwx------ 1 root root 64 2005-08-18 12:44 5 -> socket:[1274620]
Ouch! This will obviously not redirect sterr, it will kill the pipe
we established between the parent and the child:
devnull = open("/dev/null", O_RDWR);
dup2(devnull, STDERR_FILENO);
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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vol_id segfaults if read() fails on broken devices reporting
the wrong size.
Thanks to Erhard Schultchen for the debugging.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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This can be uses to export stuff to the event environment or
to carry a state from one rule to another, like enabling/disabling
later rules conditionally.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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This solves the problem with building the file against old kernel header
files.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Several people complained about the "default" rules and the "default"
setup. Here we start to remove things where we can't hava a "default".
The best examples for rules are in the distro folders, just pick the one
that matches your needs and start from there.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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don't use ID_TYPE, so cdroms will be in /dev/disk/
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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- make the persistant rules smaller
- add usbfs-like device node support
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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other _id programs.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Based on the framework from ata_id by Kay.
Now we can drop the cdsymlinks.sh and .c files
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This fixes the issue of cdroms not showing up in the proper group,
and them showing up in /dev/cd/ for the persistant names.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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If USE_DEBUG=true and udev_log="debug", all output of the forked
programs to stdout and stderr is send to syslog.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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It too big for the small tools to link against for only the log function.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Tape naming is harder than expected, go back to block devices only.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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The distro rules are the best example you can get and the use of
dev.d/ is no longer recommended.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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From: Bill Nottingham <notting@redhat.com>
Changed reading of firmware blob to mmap and let firmware_helper
follow the setting of the log level with UDEV_LOG.
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Rules can be precompiled and stored on disk for initramfs, to avoid
parsing the rules with every event again and again. Also the OWNER and
GROUP names are already resolved to numerical values in the compiled
rules. This flag is used for the upcoming move of the rules parsing
into udevd:
If the real root is mounted udevd is started and parses the rules
only once. The event processes will inherit the already parsed rules
from the daemon, so we want to ignore any precompiled rules and
use the real rules files and watch the filesystem for changes to
reload the rules automatically.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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strlcpy counts the sourec string lengt and is therefore not suitable
to copy a defined length of characters from one string to another.
Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Signed-off-by: Kay Sievers <kay.sievers@suse.de>
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Thanks to Kay for the quick fix.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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