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Commit Graph

93 Commits (d85b77cad064bd88c921b2f3d520fe526ad8ff82)

Author SHA1 Message Date
Victor Julien d85b77cad0 nfs3: improve read validation; fix partial handling 5 years ago
Victor Julien 4418fc1b02 nfs3: fix partial write record handling 5 years ago
Victor Julien 64d8a1e16e nfs/rpc: update full record parsers to be more exact 
Instead of 'take'ing all data for the RPC prog_data and then
letting the higher level parsers figure out which part to use
take the exact amount.
 5 years ago
Victor Julien bfb5ae867e nfs: break out partial record handling 5 years ago
Philippe Antoine 8adf172ab8 nfs: limits the number of active transactions per flow 
Ticket: 4530
 5 years ago
Philippe Antoine 0e85dea3ff nfs: remove unused events variable 5 years ago
Philippe Antoine e4f2f8f78d nfs: derive AppLayerEvent for NFSEvent 5 years ago
Victor Julien e6f49e5a05 app/frames: implement name to id API for frames 5 years ago
Victor Julien c073d5cfbf app-layer: use StreamSlice as input to parsers 
Remove input, input_len and flags in favor of stream slice.
 5 years ago
Victor Julien 6466296b32 app-layer: add StreamSlice to pass data to parsers 
Since object to contain relevant pointer, length, offset, flags to make
it easy to pass these to the parsers.
 5 years ago
Jason Ish 7732efbec2 app-layer: include decoder events in app-layer tx data 
As most parsers use an events structure we can include it in the
tx_data structure to reduce some boilerplate/housekeeping code
in app-layer parsers.
 5 years ago
Pierre Chifflier 0ffe123330 rust/nfs: convert parser to nom7 functions (NFS v3 and v4 records) 5 years ago
Jason Ish 9c67c634c1 app-layer: include DetectEngineState in AppLayerTxData 
Every transaction has an existing mandatory field, tx_data. As
DetectEngineState is also mandatory, include it in tx_data.

This allows us to remove the boilerplate every app-layer has
for managing detect engine state.
 5 years ago
Jason Ish a936755731 nfs: use generic tx iterator 5 years ago
Shivani Bhardwaj 11c438a07d nfs: use Direction enum 5 years ago
Shivani Bhardwaj 0c6e9ac931 files: use Direction enum 5 years ago
Sam Muhammed 922a453da5 rust(lint): use is_null() instead of ptr::null_mut() 
Bug: #4594
 5 years ago
Sam Muhammed 23768c7181 rust(lint): use is_null() instead of ptr::null() 
Bug: #4594
 5 years ago
Shivani Bhardwaj 7c9d573800 nfs: remove futile default port setting 5 years ago
Victor Julien 1b3c3225cd nfs: add debug validation on file counts 5 years ago
Victor Julien 1d48601c25 nfs: support per-tx file accounting 5 years ago
Victor Julien 67759795c6 nfs: don't reuse file transactions 
After a file has been closed (CLOSE, COMMIT command or EOF/SYNC part of
READ/WRITE data block) mark it as such so that new file commands on that
file do not reuse the transaction.

When a file transfer is completed it will be flagged as such and not be
found anymore by the NFSState::get_file_tx_by_handle() method. This forces
a new transaction to be created.
 5 years ago
Jason Ish 69cf5c9eea rust(lint): remove needless borrows 
These are needless borrows (references) as the item is already
a reference.
 5 years ago
Jason Ish 363b5f99c3 rust: functions that reference raw pointers are unsafe 
Based on the Rust clippy lint that recommends that any public
function that dereferences a raw pointer, mark all FFI functions
that reference raw pointers with build_slice and cast_pointer
as unsafe.

This commits starts by removing the unsafe wrapper inside
the build_slice and cast_pointer macros then marks all
functions that use these macros as unsafe.

Then fix all not_unsafe_ptr_arg_deref warnings from clippy.

Fixes clippy lint:
https://rust-lang.github.io/rust-clippy/master/index.html#not_unsafe_ptr_arg_deref
 5 years ago
Jason Ish 53413f2d7a rust: remove all usage of transmute 
All cases of our transmute can be replaced with more idiomatic
solutions and do no require the power of transmute.

When returning an object to C for life-time management, use
Box::into_raw to convert the boxed object to pointer and use
Box::from_raw to convert back.

For cases where we're just returning a pointer to Rust managed
data, use a cast.
 5 years ago
Victor Julien 9d24a53c53 nfs: minor code cleanup 5 years ago
Shivani Bhardwaj 0a1747c1ba nfs: fix comment 5 years ago
Shivani Bhardwaj 58ac9b0f38 nfs: Add rust registration function 
Get rid of the C glue code and move registration completely to Rust.
 5 years ago
Shivani Bhardwaj 61fca4e9db nfs: add missing code from rust impl of fns 5 years ago
Shivani Bhardwaj de50ac631e nfs: Change fn sign as per rust registration requirement 
Registering parsers in Rust requires signatures to be a certain way and
compatible with C. Change signatures of all the functions.
Probe fn has also been changed to return AppProto as required by the new
fn signature.
 5 years ago
Philippe Antoine b3c1f2ab48 nfs: improve probing parser 
Checks credentials flavor is known
 5 years ago
Philippe Antoine ef5755338f rust: SCLogDebug is real nop when built as release 
Before, even if there were no outputs, all the arguments
were evaluated, which could turn expensive

All variables which are used only in certain build configurations
are now prefixed by underscore to avoid warnings
 5 years ago
Victor Julien 3587033d9e files: construct with default, free on drop 
Update protocols.
 5 years ago
Jeff Lucovsky 6028ca7827 nfs: Rework constructs to use Self/Default 6 years ago
Philippe Antoine aee8e60149 rust: better panic message for missing file config 6 years ago
Juliana Fajardini 5226ba1c15 Rust: generic files definition 
Issue: Optimization 3825
- filecontainer: add Files structure, to replace/unify SMBFiles,
NFSFiles and HTTP2Files
- smb/files: delete SMBFiles implementation
- smb/smb: replace SMBFiles with Files
- nfs/nfs: delete NFSFiles implementation, replace its former
 declarations with Files' ones
- http2/http2: replace HTTP2Files with Files
- http2/mod: Delete reference to file files.rs
- http2/files: Delete
 6 years ago
Victor Julien efc9a7a398 app-layer: remove callback for completion status 
Since the completion status was a constant for all parsers, remove the
callback logic and instead register the values themselves. This should
avoid a lot of unnecessary callback calls.

Update all parsers to take advantage of this.
 6 years ago
Philippe Antoine 547d6c2d78 applayer: pass parameter to StateAlloc 
This parameter is NULL or the pointer to the previous state
for the previous protocol in the case of a protocol change,
for instance from HTTP1 to HTTP2

This way, the new protocol can use the old protocol context.
For instance, HTTP2 mimicks the HTTP1 request, to have a HTTP2
transaction with both request and response
 6 years ago
Jason Ish ac93ab281d rust/logging: allow log macros to be used by plugins 
Fix plugin macros so they can be used by external Rust crates
such as plugins.
 6 years ago
Victor Julien bcd416e6ba nfs: fix 'dangling' files in lossy sessions 
In case of lossy connections the NFS state would properly clean up
transactions, including file transactions. However for files the
state was never set to 'truncated', leading to files to stay 'active'.

This would lead these files staying in the NFS's state. In long running
sessions with lots of files this would lead to performance and memory
use issues.

This patch cleans truncates the file that was being transmitted when
a file transaction is being closed.

Based on 65e9a7c31c
 6 years ago
Victor Julien fc7cecb4ae nfs: check post-gap timeouts once a second at most 
Based on 25f2efe977
 6 years ago
Victor Julien 5d65e5a748 nfs: update ts only if it changed 
Based on 8aa380600d
 6 years ago
Victor Julien 7a7805cde6 nfs: support AppLayerTxData 6 years ago
Victor Julien 2f5834cdfa rust: merge parser.rs into applayer.rs 
Both were serving the same purpose.
 7 years ago
Victor Julien 5b9b0b7226 nfs: switch to new 'incomplete' logic 
Remove buffering code in favor of using incomplete API.
 7 years ago
Victor Julien 66598f9ce7 nfs: switch to AppLayerResult 7 years ago
Victor Julien 3bcf948a75 app-layer: change return codes 
This patch simplifies the return codes app-layer parsers use,
in preparation of a patch set for overhauling the return type.

Introduce two macros:

APP_LAYER_OK (value 0)
APP_LAYER_ERROR (value -1)

Update all parsers to use this.
 7 years ago
Victor Julien 6ae66cb2bb nfs: code cleanups 
Use 'if let' to replace simple 'match' statements.

Use explicit returns to easy code review.
 7 years ago
Victor Julien f68c255f09 nfs: implement post-GAP transaction cleanup 
Close all prior transactions in the direction of the GAP, except the
file xfers. Those use their own logic described below.

After a GAP all normal transactions are closed. File transactions
are left open as they can handle GAPs in principle. However, the
GAP might have contained the closing of a file and therefore it
may remain active until the end of the flow.

This patch introduces a time based heuristic for these transactions.
After the GAP all file transactions are stamped with the current
timestamp. If 60 seconds later a file has seen no update, its marked
as closed.

This is meant to fix resource starvation issues observed in long
running SMB sessions where packet loss was causing GAPs. Due to the
similarity of the NFS and SMB parsers, this issue is fixed for NFS
as well in this patch.

Bug #3424.
Bug #3425.
 7 years ago
Jason Ish 42e5065ab8 rust: update to Rust 2018 with cargo fix 
Migrate to Rust 2018 edition.

Credit to Danny Browning for first demontrating this:
https://github.com/OISF/suricata/pull/3604/commits
 7 years ago