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rust/sip: register parser for tcp v7 #9483

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7401589
rust/sip: rustfmt sip module
glongo Aug 14, 2023
7653bf7
sip/parser: accept valid chars
glongo Aug 1, 2023
7a00157
rust/sip: register parser for sip
glongo Aug 1, 2023
395d7e9
rust/sip: add direction to transaction
glongo Aug 1, 2023
d9c9fa3
suricata.yaml: define SIP_PORTS
glongo Aug 1, 2023
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15 changes: 12 additions & 3 deletions etc/schema.json
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Original file line number Diff line number Diff line change
Expand Up @@ -3783,7 +3783,10 @@
"rfb": {
"$ref": "#/$defs/stats_applayer_error"
},
"sip": {
"sip_udp": {
"$ref": "#/$defs/stats_applayer_error"
},
"sip_tcp": {
"$ref": "#/$defs/stats_applayer_error"
},
"smb": {
Expand Down Expand Up @@ -3900,7 +3903,10 @@
"rfb": {
"type": "integer"
},
"sip": {
"sip_udp": {
"type": "integer"
},
"sip_tcp": {
"type": "integer"
},
"smb": {
Expand Down Expand Up @@ -4011,7 +4017,10 @@
"rfb": {
"type": "integer"
},
"sip": {
"sip_udp": {
"type": "integer"
},
"sip_tcp": {
"type": "integer"
},
"smb": {
Expand Down
29 changes: 7 additions & 22 deletions rust/src/sip/detect.rs
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Original file line number Diff line number Diff line change
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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Original file line number Diff line number Diff line change
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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Original file line number Diff line number Diff line change
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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