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Update README.macosx to talk about the launchd daemon, and to give more 

information.
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guy 2008-06-07 18:53:31 +00:00
parent 6057eda6f0
commit c76180e1ae
1 changed files with 33 additions and 7 deletions
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README.macosx
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@ -17,12 +17,17 @@ devfs is based on an older (non-default) FreeBSD devfs, and that version
of devfs cannot be configured to set the permissions and/or ownership of
those devices.
Therefore, we supply a "startup item" for OS X that will change the
ownership of the BPF devices so that the "admin" group owns them, and
will change the permission of the BPF devices to rw-rw----, so that all
users in the "admin" group - i.e., all users with "Allow user to
administer this computer" turned on - have both read and write access to
them.
Therefore, we supply:
a "startup item" for older versions of Mac OS X;
a launchd daemon for Tiger and later versions of Mac OS X;
Both of them will change the ownership of the BPF devices so that the
"admin" group owns them, and will change the permission of the BPF
devices to rw-rw----, so that all users in the "admin" group - i.e., all
users with "Allow user to administer this computer" turned on - have
both read and write access to them.
The startup item is in the ChmodBPF directory in the source tree. A
/Library/StartupItems directory should be created if it doesn't already
@ -30,7 +35,28 @@ exist, and the ChmodBPF directory should be copied to the
/Library/StartupItems directory (copy the entire directory, so that
there's a /Library/StartupItems/ChmodBPF directory, containing all the
files in the source tree's ChmodBPF directory; don't copy the individual
items in that directory to /Library/StartupItems).
items in that directory to /Library/StartupItems). The ChmodBPF
directory, and all files under it, must be owned by root. Installing
the files won't immediately cause the startup item to be executed; it
will be executed on the next reboot. To change the permissions before
the reboot, run
sudo SystemStarter start ChmodBPF
The launchd daemon is the chmod_bpf script, plus the
org.tcpdump.chmod_bpf.plist launchd plist file. chmod_bpf should be
installed in /usr/local/bin/chmod_bpf, and org.tcpdump.chmod_bpf.plist
should be installed in /Library/LaunchDaemons. chmod_bpf, and
org.tcpdump.chmod_bpf.plist, must be owned by root. Installing the
script and plist file won't immediately cause the script to be executed;
it will be executed on the next reboot. To change the permissions
before the reboot, run
sudo /usr/local/bin/chmod_bpf
or
sudo launchctl load /Library/LaunchDaemons/org.tcpdump.chmod_bpf.plist
If you want to give a particular user permission to access the BPF
devices, rather than giving all administrative users permission to