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We want to write the output buffer before
we exit, otherwise redirection to a file
does not work correctly.
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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Thanks to: Marco d'Itri <md@Linux.IT> for the initial patch.
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 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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