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rust/sip: register parser for tcp v8 #9880

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08240c1
rust/sip: rustfmt sip module
glongo Aug 14, 2023
38dfd42
sip/parser: accept valid chars
glongo Aug 1, 2023
fe1b3aa
rust/sip: register parser for tcp
glongo Aug 1, 2023
4902c4f
rust/sip: add direction to transaction
glongo Aug 1, 2023
fb7d6f7
suricata.yaml: define SIP_PORTS
glongo Aug 1, 2023
7bad861
doc: add upgrade section for 8
glongo Nov 24, 2023
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1 change: 1 addition & 0 deletions doc/userguide/configuration/suricata-yaml.rst
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Expand Up @@ -2442,6 +2442,7 @@ address, you should enter 'any'.
SHELLCODE_PORTS: "!80"
ORACLE_PORTS: 1521
SSH_PORTS: 22
SIP_PORTS: "[5060, 5061]"

.. _host-os-policy:

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4 changes: 4 additions & 0 deletions doc/userguide/upgrade.rst
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Expand Up @@ -34,6 +34,10 @@ also check all the new features that have been added but are not covered by
this guide. Those features are either not enabled by default or require
dedicated new configuration.

Upgrading 7.0 to 8.0
--------------------
- SIP over TCP is detected
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@victorjulien victorjulien Nov 24, 2023

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"detected" seems to miss represent the features. SIP/TCP is detected, tracked, logged and available to rules through the sip keywords?

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@glongo glongo Nov 24, 2023

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doc updated.


Upgrading 6.0 to 7.0
--------------------

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15 changes: 12 additions & 3 deletions etc/schema.json
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Expand Up @@ -3800,7 +3800,10 @@
"rfb": {
"$ref": "#/$defs/stats_applayer_error"
},
"sip": {
"sip_udp": {
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@victorjulien victorjulien Nov 24, 2023

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this is a breaking change that should be mentioned in the upgrade guide

"$ref": "#/$defs/stats_applayer_error"
},
"sip_tcp": {
"$ref": "#/$defs/stats_applayer_error"
},
"smb": {
Expand Down Expand Up @@ -3917,7 +3920,10 @@
"rfb": {
"type": "integer"
},
"sip": {
"sip_udp": {
"type": "integer"
},
"sip_tcp": {
"type": "integer"
},
"smb": {
Expand Down Expand Up @@ -4028,7 +4034,10 @@
"rfb": {
"type": "integer"
},
"sip": {
"sip_udp": {
"type": "integer"
},
"sip_tcp": {
"type": "integer"
},
"smb": {
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29 changes: 7 additions & 22 deletions rust/src/sip/detect.rs
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Expand Up @@ -23,9 +23,7 @@ use std::ptr;

#[no_mangle]
pub unsafe extern "C" fn rs_sip_tx_get_method(
tx: &mut SIPTransaction,
buffer: *mut *const u8,
buffer_len: *mut u32,
tx: &mut SIPTransaction, buffer: *mut *const u8, buffer_len: *mut u32,
) -> u8 {
if let Some(ref r) = tx.request {
let m = &r.method;
Expand All @@ -44,9 +42,7 @@ pub unsafe extern "C" fn rs_sip_tx_get_method(

#[no_mangle]
pub unsafe extern "C" fn rs_sip_tx_get_uri(
tx: &mut SIPTransaction,
buffer: *mut *const u8,
buffer_len: *mut u32,
tx: &mut SIPTransaction, buffer: *mut *const u8, buffer_len: *mut u32,
) -> u8 {
if let Some(ref r) = tx.request {
let p = &r.path;
Expand All @@ -65,10 +61,7 @@ pub unsafe extern "C" fn rs_sip_tx_get_uri(

#[no_mangle]
pub unsafe extern "C" fn rs_sip_tx_get_protocol(
tx: &mut SIPTransaction,
buffer: *mut *const u8,
buffer_len: *mut u32,
direction: u8,
tx: &mut SIPTransaction, buffer: *mut *const u8, buffer_len: *mut u32, direction: u8,
) -> u8 {
match direction.into() {
Direction::ToServer => {
Expand Down Expand Up @@ -101,9 +94,7 @@ pub unsafe extern "C" fn rs_sip_tx_get_protocol(

#[no_mangle]
pub unsafe extern "C" fn rs_sip_tx_get_stat_code(
tx: &mut SIPTransaction,
buffer: *mut *const u8,
buffer_len: *mut u32,
tx: &mut SIPTransaction, buffer: *mut *const u8, buffer_len: *mut u32,
) -> u8 {
if let Some(ref r) = tx.response {
let c = &r.code;
Expand All @@ -122,9 +113,7 @@ pub unsafe extern "C" fn rs_sip_tx_get_stat_code(

#[no_mangle]
pub unsafe extern "C" fn rs_sip_tx_get_stat_msg(
tx: &mut SIPTransaction,
buffer: *mut *const u8,
buffer_len: *mut u32,
tx: &mut SIPTransaction, buffer: *mut *const u8, buffer_len: *mut u32,
) -> u8 {
if let Some(ref r) = tx.response {
let re = &r.reason;
Expand All @@ -143,9 +132,7 @@ pub unsafe extern "C" fn rs_sip_tx_get_stat_msg(

#[no_mangle]
pub unsafe extern "C" fn rs_sip_tx_get_request_line(
tx: &mut SIPTransaction,
buffer: *mut *const u8,
buffer_len: *mut u32,
tx: &mut SIPTransaction, buffer: *mut *const u8, buffer_len: *mut u32,
) -> u8 {
if let Some(ref r) = tx.request_line {
if !r.is_empty() {
Expand All @@ -163,9 +150,7 @@ pub unsafe extern "C" fn rs_sip_tx_get_request_line(

#[no_mangle]
pub unsafe extern "C" fn rs_sip_tx_get_response_line(
tx: &mut SIPTransaction,
buffer: *mut *const u8,
buffer_len: *mut u32,
tx: &mut SIPTransaction, buffer: *mut *const u8, buffer_len: *mut u32,
) -> u8 {
if let Some(ref r) = tx.response_line {
if !r.is_empty() {
Expand Down
2 changes: 1 addition & 1 deletion rust/src/sip/log.rs
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Expand Up @@ -51,4 +51,4 @@ fn log(tx: &SIPTransaction, js: &mut JsonBuilder) -> Result<(), JsonError> {
#[no_mangle]
pub extern "C" fn rs_sip_log_json(tx: &mut SIPTransaction, js: &mut JsonBuilder) -> bool {
log(tx, js).is_ok()
}
}
10 changes: 7 additions & 3 deletions rust/src/sip/parser.rs
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Expand Up @@ -15,7 +15,7 @@
* 02110-1301, USA.
*/

// written by Giuseppe Longo <giuseppe@glono.it>
// written by Giuseppe Longo <giuseppe@glongo.it>

use nom7::bytes::streaming::{take, take_while, take_while1};
use nom7::character::streaming::{char, crlf};
Expand Down Expand Up @@ -57,9 +57,13 @@ pub struct Response {
pub body_len: u16,
}

/**
* Valid tokens and chars are defined in RFC3261:
* https://www.rfc-editor.org/rfc/rfc3261#section-25.1
*/
#[inline]
fn is_token_char(b: u8) -> bool {
is_alphanumeric(b) || b"!%'*+-._`".contains(&b)
is_alphanumeric(b) || b"!%'*+-._`~".contains(&b)
}

#[inline]
Expand All @@ -69,7 +73,7 @@ fn is_method_char(b: u8) -> bool {

#[inline]
fn is_request_uri_char(b: u8) -> bool {
is_alphanumeric(b) || is_token_char(b) || b"~#@:".contains(&b)
is_alphanumeric(b) || is_token_char(b) || b"~#@:;=?+&$,/".contains(&b)
}

#[inline]
Expand Down
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