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Commit Graph

73 Commits (23768c71814aa267672de772d43394727b3428a4)

Author SHA1 Message Date
Jason Ish 6ed827a4ef dns: use derive macro for DNSEvent 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
Philippe Antoine 9e7ea631b2 dns: improve probing parser 
Checks opcode is valid
Checks additional_rr do not exceed message length
Better logic for incomplete cases
 5 years ago
Philippe Antoine 7d0a39412b detect: use u32 for InspectionBufferMultipleForList 
So that we do not have an endless loop casting index to
u16 and having more than 65536 buffers in one transaction

Changes for all protocols, even ones where it is impossible
to have such a pattern, so as to avoid bad pattern copy/paste
in the future
 5 years ago
Jeff Lucovsky 00167121dc dns: Rework constructs to use Self/Default 5 years ago
Jason Ish c7f44447c9 dns: remove flood protection purging 
It doesn't look like flood protection is required with the
stateless parser anymore. It actually can get in the way of TCP
DNS when a large number of requests end-up in the same segment
where a TX can get purged before it has a chance to go through
the normal TX life-cycle.
 5 years ago
Philippe Antoine d2d0e0adc9 rust: remove exported unused functions 5 years ago
Jason Ish 6853bf98fb dns: only register a single logger 
DNS no longer requires a logger to be registered for to-client and
to-server directions. This has not been required with the stateless
design of the Rust DNS parser.
 5 years ago
Sascha Steinbiss 08a6f1441a dns: parse SRV records 6 years ago
Antti Tönkyrä f3ad7f14fa dns: add rdata logging for NS rrtype 6 years ago
Simon Dugas 4336a0e739 dns: log rdata for NULL record type 
Logs the rdata for a NULL record type as a printable string.
 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
Victor Julien 4da0d9bdea applayer/rust: expose truncate callback 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
Simon Dugas 7f26246ce1 dns: parse and log fields for SOA record type 
Added `dns_parse_rdata_soa` to parse SOA fields into an `DNSRDataSOA`
struct.

Added logging for answer and authority SOA records in both version
1 & 2, as well as grouped formats.
 6 years ago
Simon Dugas 8005f50647 dns: refactor to handle more rdata formats 
Represent rdata as `DNSRData` enum variants instead of `Vec<u8>`.
This will allow parsing/logging of more complex formats like SOA.
 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
Philippe Antoine b20a8de646 dns: simply skips zero-sized dns requests/responses 6 years ago
Jason Ish 6cff558663 dns: add tailing data to split tcp unit test 
Add trailing data to the complete payload to test the case
where data is consumed, but still incomplete.
 6 years ago
Jason Ish cc154ce152 dns: fix subtraction overflow in debug message 
The math for the return value wasn't updated in the debug log
to match the logic and could lead to a subtraction overflow
 6 years ago
Philippe Antoine 80ccbff28a dns: return status from parsing tcp request 6 years ago
Philippe Antoine 1296740471 dns: fix incomplete results 
and messages parsing whose length is >= 32768
 6 years ago
Jeff Lucovsky 961b314b86 dns: Remove parser buffering code 6 years ago
Jason Ish d60671d855 rust/dns: use new flags field to set parser option flags 6 years ago
Jason Ish 53aa967e0b applayer: add flags to parser registration struct 
This will allow Rust parsers to register for gap handing from
Rust (some Rust parsers do handle gaps, but they set the flag
from C).
 6 years ago
Jason Ish 9d9a901b68 dns: conditional logging 
Apply config to newly created response TX.
 6 years ago
Victor Julien ac3cf6ff75 detect/config: set config for special cases 
Allow app-layer to declare the txs are uni-directional and special
care is needed for applying config.
 6 years ago
Victor Julien 5dd4d948d9 app-layer: remove unused detect flags API 6 years ago
Victor Julien c94a5e6392 app-layer/rust: don't use option for GetTxDataFn anymore 6 years ago
Victor Julien 9664f73f75 app-layer: remove logged API calls 6 years ago
Victor Julien fb3bdd8cf3 dns: remove detect_flags and logged now that we use AppLayerTxData 6 years ago
Victor Julien 5665fc8301 app-layer: add ApplyTxConfig API 
Optional callback a parser can register for applying configuration
to the 'transaction'. Most parsers have a bidirectional tx. For those
parsers that have different types of transaction handling, this new
callback can be used to properly apply the config.
 6 years ago
Victor Julien 411f428a38 app-layer: define AppLayerTxData and AppLayerTxConfig 
AppLayerTxData is a structure each tx should include that will contain
the common fields the engine needs for tracking logging, detection and
possibly other things.

AppLayerTxConfig will be used by the detection engine to configure
the transaction.
 6 years ago
Victor Julien 79681bf655 app-layer: remove old MPMId API calls 
Had been deprecated and non-functional since 2017.
 6 years ago
Philippe Antoine edcb784f1a dns: improve probe_tcp handling of incomplete data 6 years ago
Victor Julien 2f5834cdfa rust: merge parser.rs into applayer.rs 
Both were serving the same purpose.
 6 years ago
Victor Julien 44d3f264bf app-layer: update API to return more details 
Add AppLayerResult struct as the Parser return type in
preparation of allowing returning 'Incomplete(size)' similar
to what nom in Rust allows.
 6 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.
 6 years ago
Jason Ish a0e3e2d7b4 dns: register parsers from Rust 
And port the C DNS tests to Rust.
 6 years ago
Jason Ish 0af9a3a5f7 dns: remove C wrapper functions to Rust 
Remove registration of C wrapper functions and register
the Rust functions directly for UDP.
 6 years ago
Jason Ish 1b44f839e6 dns: cleanup: move event callbacks into Rust 
Remove app-layer-dns-common.c as its no longer needed.
 6 years ago
Jason Ish ca5a3f0f04 dns: cleanup: remove unused events 
Removed events that are no longer used since the Rust
implementation of DNS:
- UnsolicitedResponse
- StateMemCapReached
- Flooded
 6 years ago
Pierre Chifflier 442500678b rust: use the streaming version of combinators to fix incomplete reads 7 years ago
Pierre Chifflier f3ddd7127c rust: Add types annotation when required 
Unfortunately, the transition to nom 5 (and functions instead of macros)
has side-effects, one of them being requiring lots of types annotations
when using a parsing, for ex in a match instruction.
 7 years ago
Pierre Chifflier 5b809f77f1 rust: upgrade all parsers to nom 5 7 years ago
Jason Ish 5f1d21f247 dns: handle mid stream pickup on response packet 
Related Redmine issue:
https://redmine.openinfosecfoundation.org/issues/2146
 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
Victor Julien 579cc9f02b const: constify decoder, app-layer, detect funcs 7 years ago