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20 lines
757 B
Bash
Executable file
20 lines
757 B
Bash
Executable file
#! /bin/sh
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#
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# Unfortunately, macOS's devfs is based on the old FreeBSD
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# one, not the current one, so there's no way to configure it
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# to create BPF devices with particular owners or groups.
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# This startup item will make it owned by the admin group,
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# with permissions rw-rw----, so that anybody in the admin
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# group can use programs that capture or send raw packets.
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#
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# Change this as appropriate for your site, e.g. to make
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# it owned by a particular user without changing the permissions,
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# so only that user and the super-user can capture or send raw
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# packets, or give it the permissions rw-r-----, so that
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# only the super-user can send raw packets but anybody in the
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# admin group can capture packets.
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#
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chgrp admin /dev/bpf*
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chmod g+rw /dev/bpf*
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