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The iface_count, iface_n_bcast, and load_interfaces functions
conflicted with functions of the same name in source3, so the source4
functions were renamed. Hopefully we can actually wrap one around the
other in future.
Andrew Bartlett
this converts all callers that use the Samba4 loadparm lp_ calling
convention to use the lpcfg_ prefix.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
We may send requests packets (WACK challenges or similar things)
via a different udp socket than the socket we receive the
matching response. We need to setup an unexpected handler
on the nbt sockets and redirect responses to the correct
nbt_socket. (By redirect I mean we use the correct
nbt_socket structure, we're *not* resending the packet
with sendto() via the kernel...)
metze
(from samba4wins tree 7ce8e705e5a9aabb787d17fbec7a078d9d6780dc)
This fixes the following bug:
While we reply with a WACK response to a client.
Instead of waiting for the final reply some
windows client just resends the request using
the same name_trn_id in the nbt_name_packet.
We handled this as a new request and send a
WACK response (and the challenges) again.
Then the first request gets its final success
response, but the when we try to send the success
for the "second" request we notice that
the record was changed in between and we return
an error.
Windows 2003 (and I assume all other versions as well)
detect the packet is just a resent of a currently pending
request and ignores it.
So we now keep a list of all pending WINS name register
requests which result in a WACK response. On each incoming
name register request we search through the list to find
duplicate requests and ignore them. In theory we should
do that for all requests, but name register requests
are the only requests we response async and only
if we have to go via the WACK code path.
metze
(from samba4wins tree 382e7d384b70d03e9f81c7bb353afaed288d80f0)
* Move dlinklist.h, smb.h to subsystem-specific directories
* Clean up ads.h and move what is left of it to dsdb/
(only place where it's used)
(This used to be commit f7afa1cb77)
specifically ask for iface_n_bcast() and have to check if it returns
NULL, in which case it is a non-broadcast interface
(This used to be commit d004e250b6)
our winsserver and don't defend our local name against
our own register packets...
this won gave quite confusing logmessages...
metze
(This used to be commit 31ce24d7b1)
structure that is more generic than just 'IP/port'.
It now passes make test, and has been reviewed and updated by
metze. (Thankyou *very* much).
This passes 'make test' as well as kerberos use (not currently in the
testsuite).
The original purpose of this patch was to have Samba able to pass a
socket address stucture from the BSD layer into the kerberos routines
and back again. It also removes nbt_peer_addr, which was being used
for a similar purpose.
It is a large change, but worthwhile I feel.
Andrew Bartlett
(This used to be commit 88198c4881)
- don't reply with 127.0.0.1 in NBT or WINS name queries unless the
query came in on the loopback interface. Otherwise clients can end
up talking to themselves, which is not very productive :-)
(This used to be commit df00f8b342)
add struct nbt_peer_socket and use it instead of passing const char *addr, uint16 port everyhwere
(tridge: can you review this please, (make test works)
metze
(This used to be commit a599d7a4ae)
server. Currently just listens on port 138 and parses the packets
(using IDL like the rest of NBT). This allows me to develop the
structures and test with real packets
(This used to be commit 10d64a5253)
- more NBT packet asserts, to ensure that incoming requests have all
the elements we depend on
- open the WINS database at startup if we are configured as a WINS server
- split out the nbtd server reply packet generation code so it can be
shared by the WINS server
- re-did the logic of what is answered by the WINS server and what by
the B node server. It now always tries to answer by the B node, and
only "recurses" to the WINS server for names that are not found.
(This used to be commit 5613e6b8ad)
- change the iface_n_*() functions to return a "const char *" instead of a "struct ipv4_addr"
I think that in general we should move towards "const char *" for
all IP addresses, as this makes IPv6 much easier, and is also easier
to debug. Andrew, when you get a chance, could you fix some of the
auth code to use strings for IPs ?
- return a NTSTATUS error on bad name queries and node status instead
of using rcode. This makes the calling code simpler.
- added low level name release code in libcli/nbt/
- use a real IP in the register and wins nbt torture tests, as w2k3
WINS server silently rejects some operations that don't come from the
IP being used (eg. it says "yes" to a release, but does not in fact
release the name)
(This used to be commit bb1ab11d8e)
- when registering with a WINS server, initially use multi-homed
registration, then switch to name refresh requests. Send refresh
requests only to the WINS server that responded to our
registration. If that server goes away, then start the registration
from scratch. This makes registration more robust to WINS server
failure.
- send WINS registration requests out on our first interface rather
than an unbound interface, to avoid the problem of WACK replies
being sent to the wrong port (w2k3 WINS server does this)
(This used to be commit f7712ac746)
be consistent with the function names
- added WINS client support to the NBT server. It will do initial WINS
registration, and WINS refresh, automatically failing over to
secondary WINS servers and handling multi-homed servers where we need
to register multiple IPs.
- added support for multi-homed name query replies, which are
essential for multi-homed registration as the WINS server will query
us to ensure we have the names when doing the secondary IPs in
multi-homed registration
(This used to be commit a1553fa805)
bind twice on each interface, once using the broadcast address and
once using the specific IP. We then only listen on the wildcard
address if we don't have "bind interface only" set. This also happens
to simplify the code that finds the right interface for an incoming
request.
(This used to be commit b3edf17281)
