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Since entering/leaving promiscuous mode also is a device specific
function and all users of the `promisc' module also use `dev', integrate
it there. Also rename the functions to have a `device_' prefix like the
other functions in the module.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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We don't return negative values and the MTU is supposed to be the
(maximum) length of a packet, thus make it of type size_t. Most of the
users in the code store it in size_t already anyway.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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The parameter `ifname' to device_up_and_running() is never modified
inside the function, thus mark it as const.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
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Use ARPHRD_ETHER for the "any" device, so that when typing "netsniff-ng"
without any arguments, ethernet is assumed.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Add a device_type() method to get the assigned dev->type from the
kernel, and add support for automatic selection of the correct pcap
file header's linktype. This needs to be integrated into the core
code though.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Mark them as what is to be most expected.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Simplify code a bit and mark error paths unlikely.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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If we fail to find the ifindex of a given device, bail out.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Finally eliminate xutils.{c,h} and move the rest to epoll2.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Same here as usual, break out link functions from xutils.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Remove them from xutils, and add them to socket management.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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Move those functions out so that they can be more easily maintained
in its separate file.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
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