Age | Commit message (Collapse) | Author | Files | Lines |
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svn path=/trunk/; revision=10902
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as this info can be derived from the presence of the FT_FRAMENUM field
svn path=/trunk/; revision=10901
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a doubleclick will follow the link
svn path=/trunk/; revision=10896
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a doubleclick will follow the link
svn path=/trunk/; revision=10893
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svn path=/trunk/; revision=10815
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so the packet type can be better detected
svn path=/trunk/; revision=10812
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svn path=/trunk/; revision=10811
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the client sends its first PDU to the server, and when the endpoint
mapper sends back an error PDU on behalf of the server, because they
don't know the server's boot time - it's unlikely that the server was
booted precisely at January 1, 1970, 00:00:00 GMT).
Clean up some white space.
svn path=/trunk/; revision=10784
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to give the user better information about the fragmenting going on,
some other minor changes
svn path=/trunk/; revision=10681
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update to dcerpc time_t dissector to print the string "No time specified" when the seconds field is 0xffffffff
svn path=/trunk/; revision=10678
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we can manually call functions to dissect NDR encoded structures without going through the DCERPC interface.
There are NDR encoded blobs that are not encapsulated inside DCERPC
such as in kerberos and those dissectors need this.
svn path=/trunk/; revision=10321
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svn path=/trunk/; revision=10291
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The UNKUUID col_info update was only working as
dcerpc_try_handoff() would fail to find the subdissector, and
thus did not clobber it with col_add_str(). It is now in the
right place to determine a UUID that was either not found, or is
disabled. The boolean dcerpc.unknown_if_id is now only set on
cases where the handoff fails. This has been tested, and the
boolean now works as it should, and is not set for ALL packets
as it was in the old location.
svn path=/trunk/; revision=10163
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DCERPC is talking about a response, not a reply
svn path=/trunk/; revision=10096
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the interface UUID in a datagram call is unknown.
Clean up white space a bit.
svn path=/trunk/; revision=10084
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svn path=/trunk/; revision=9735
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known dissectors.
svn path=/trunk/; revision=9208
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the Info column.
svn path=/trunk/; revision=9081
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svn path=/trunk/; revision=9054
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Make "proto_is_protocol_enabled()" and "proto_get_protocol_short_name()"
take a "protocol_t *" as an argument, so they don't have to look up the
"protocol_t" - this will probably speed them up considerably, and
they're called on almost every dissector handoff.
Get rid of a number of "proto_is_protocol_enabled()" calls that aren't
necessary (dissectors called through handles, including those called
through dissector tables, or called as heuristic dissectors, aren't even
called if their protocol isn't enabled).
Change some direct dissector calls to go through handles.
svn path=/trunk/; revision=8979
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svn path=/trunk/; revision=8958
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svn path=/trunk/; revision=8947
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Catch another case where we need to check for a null decrypted_tvb.
svn path=/trunk/; revision=8894
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Sometimes if we cant decrypt a DCERPC packet decrypted_tvb is NULL.
do not pass a NULL pointer to show_stub_data() since this will dump
core.
svn path=/trunk/; revision=8890
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svn path=/trunk/; revision=8761
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exception dissecting stuff past the DCE RPC header, we still drive on
and dissect the next PDU, if any.
svn path=/trunk/; revision=8760
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0.
In "dcerpc_try_handoff()", remove the authentication padding from the
stub data handed to the subdissector - that's not really stub data for
the subdissector, and it should throw an exception if the request or
response would go into the authentication padding. Don't even try to
dissect the remaining stub data if the authentication padding value
consumes all the stub data or would consume even more than that.
Show any "Long frame" data before the authentication padding, and show
the authentication padding as the stuff at the very end of the stub
data, after the "Long frame" data.
Catch all exceptions when dissecting authentication information, so that
even if it's bad or we don't have all of it, we still dissect the stub
data.
Try dissecting authentication trailer information even if we don't have
all of it in the tvbuff - we want an exception to be thrown if we don't.
Don't try to dissect it if it eats into the stub data, however.
Don't bother catching exceptions in "dissect_auth_verf()" - we now
always catch exceptions in above it in the DCE RPC dissector call tree.
Use CATCH_ALL and "show_exception()" when calling the sub-dissector for
a connection-oriented PDU; that means we won't have to worry about
adding new exception types unless they're types that we should rethrow.
svn path=/trunk/; revision=8759
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the number of context items before showing the first one.
svn path=/trunk/; revision=8753
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stub data even if there's a problem dissecting the verifier.
Show stub data as "Encrypted stub data" if it's encrypted, "Decrypted
stub data" if it was encrypted but we decrypted it, and "Stub data" if
it wasn't encrypted.
Don't attempt to decrypt data unless it was encrypted (i.e., the
authentication level is "Packet privacy".
Get rid of "decrypted_data" member of "packet_info" structure - we don't
need it any more.
svn path=/trunk/; revision=8743
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argument - don't dereference it if it's null.
svn path=/trunk/; revision=8685
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Filter, Find and Colorize selected procedures
in the same way as SMB and ONC-RPC already does.
svn path=/trunk/; revision=8667
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from being Ordo(n^2) into being Ordo(n)
Makes it slightly faster when n (the number of pointers) is >10.000
The mother of all dcerpc packets (containing one array of >10.000 pointers)
was a bit slow.
It is still slow but at least completes in out lifetime.
svn path=/trunk/; revision=8647
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handling encrypted request/response PDUs. Instead of having
dissection function pointers which perform both decryption and
dissection, the function pointers now only decrypt the DCERPC fragment
payload. Dissection is handled by the dcerpc_try_handoff() function
(with DCERPC fragment reassembly if necessary).
Details:
- Move the dcerpc_auth_info struct into dcerpc.h as it is now used in
the function prototype for the decryption function handlers.
- decode_encrypted_data() was refactored to take a boolean request
parameter instead of passing the DCERPC PDU packet type.
- A tvbuff_t * data field was added to dcerpc_auth to hold the
verifier. This is passed as an argument to the decryption function
handlers.
- Dissection of verifiers in request and response PDUs was moved to
before the payload.
- The dissect_dcerpc_cn_stub() function was refactored to perform
the decryption process and hand decrypted data to the reassembly
code instead of performing the decryption after reassembly.
- Removed references to decrypted_info_t as it's not necessary
anymore.
Code was tested using encrypted and unencrypted fragmented PDUs.
Before this commit ethereal could not dissect unencrypted (!)
fragmented PDUs correctly.
svn path=/trunk/; revision=8546
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in dcerpc_auth_info since auth_level is an unsigned type. Zero is
not a valid authentication level anyway (s13.1.2.1, p611 CAE spec).
Remove two inscrutable debugging comments that don't seem to mean anything.
svn path=/trunk/; revision=8545
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bind request into some subtrees to make things look a bit nicer.
svn path=/trunk/; revision=8497
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The tap listener will try to parse this pointer at a much later stage where the stack frame where this object lived will have dissapeared and possible got overwritten.
best that can happen is that service response times for dcerpc interfaces is screwed up
more probable is that we get a coredump
svn path=/trunk/; revision=8455
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somewhat. Now the dynamic initialisation of the value_string is contained
in the value_string_from_subdissectors() function instead of being
distributed amongst the dcerpc dissectors.
svn path=/trunk/; revision=8123
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data when decrypting it, as, at least for NTLMSSP encryption, the stub
*and* the authentication padding are encrypted as a single lump.
svn path=/trunk/; revision=8058
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dissected like those on Binds; the same is true for their corresponding
acks.
svn path=/trunk/; revision=8043
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svn path=/trunk/; revision=8027
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to the dissector that handles the particular authentication flavour. This
gets rid of a couple of ugly switch statements and allows other authentication
modules to be written easily.
svn path=/trunk/; revision=8026
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list rather than duplicating this information in the dissector. Some
of the opnum strings were starting to get out of date as developers
forgot to update the information in both places.
svn path=/trunk/; revision=7936
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problem).
svn path=/trunk/; revision=7901
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fuzz-generated packet that made it all the way to proto_registrar_get_name()
without hf_index being initialized.
svn path=/trunk/; revision=7899
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A much better place to do this is after the subdissector function has
been called in dcercp_try_handoff().
svn path=/trunk/; revision=7895
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tvb_get_string() - takes a tvbuff, an offset, and a length as
arguments, allocates a buffer big enough to hold a string with
the specified number of bytes plus an added null terminator
(i.e., length+1), copies the specified number of bytes from the
tvbuff, at the specified offset, to that buffer and puts in a
null terminator, and returns a pointer to that buffer (or throws
an exception before allocating the buffer if that many bytes
aren't available in the tvbuff);
tvb_get_stringz() - takes a tvbuff, an offset, and a pointer to
a "gint" as arguments, gets the size of the null-terminated
string starting at the specified offset in the tvbuff (throwing
an exception if the null terminator isn't found), allocates a
buffer big enough to hold that string, copies the string to that
buffer, and returns a pointer to that buffer and stores the
length of the string (including the terminating null) in the
variable pointed to by the "gint" pointer.
Replace many pieces of code allocating a buffer and copying a string
with calls to "tvb_get_string()" (for one thing, "tvb_get_string()"
doesn't require you to remember that the argument to
"tvb_get_nstringz0()" is the size of the buffer into which you're
copying the string, which might be the length of the string to be copied
*plus 1*).
Don't use fixed-length buffers for null-terminated strings (even if the
code that generates those packets has a #define to limit the length of
the string). Use "tvb_get_stringz()", instead.
In some cases where a value is fetched but is only used to pass an
argument to a "proto_tree_add_XXX" routine, use "proto_tree_add_item()"
instead.
svn path=/trunk/; revision=7859
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throwing an exception, if the bytes to be compared aren't available in
the tvbuff, we don't need to check for their existence before calling
those routines.
svn path=/trunk/; revision=7826
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multiple NetBIOS-over-TCP session service messages in a TCP segment, and
they can contain the final portions of different DCERPC calls. Don't
assume a frame number is sufficient to identify DCE RPC calls.
svn path=/trunk/; revision=7777
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"Fragment data (N bytes)" if we aren't dissecting it.
svn path=/trunk/; revision=7751
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svn path=/trunk/; revision=7744
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