Adding upstream version 1:7.0.3.upstream/1%7.0.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 182 insertions, 0 deletions

diff --git a/rust/src/sip/detect.rs b/rust/src/sip/detect.rs
new file mode 100644
index 0000000..63f6365
--- /dev/null
+++ b/rust/src/sip/detect.rs
@@ -0,0 +1,182 @@
+/* Copyright (C) 2019 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+// written by Giuseppe Longo <giuseppe@glongo.it>
+
+use crate::core::Direction;
+use crate::sip::sip::SIPTransaction;
+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,
+) -> u8 {
+    if let Some(ref r) = tx.request {
+        let m = &r.method;
+        if !m.is_empty() {
+            *buffer = m.as_ptr();
+            *buffer_len = m.len() as u32;
+            return 1;
+        }
+    }
+
+    *buffer = ptr::null();
+    *buffer_len = 0;
+
+    return 0;
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_sip_tx_get_uri(
+    tx: &mut SIPTransaction,
+    buffer: *mut *const u8,
+    buffer_len: *mut u32,
+) -> u8 {
+    if let Some(ref r) = tx.request {
+        let p = &r.path;
+        if !p.is_empty() {
+            *buffer = p.as_ptr();
+            *buffer_len = p.len() as u32;
+            return 1;
+        }
+    }
+
+    *buffer = ptr::null();
+    *buffer_len = 0;
+
+    return 0;
+}
+
+#[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,
+) -> u8 {
+    match direction.into() {
+        Direction::ToServer => {
+            if let Some(ref r) = tx.request {
+                let v = &r.version;
+                if !v.is_empty() {
+                    *buffer = v.as_ptr();
+                    *buffer_len = v.len() as u32;
+                    return 1;
+                }
+            }
+        }
+        Direction::ToClient => {
+            if let Some(ref r) = tx.response {
+                let v = &r.version;
+                if !v.is_empty() {
+                    *buffer = v.as_ptr();
+                    *buffer_len = v.len() as u32;
+                    return 1;
+                }
+            }
+        }
+    }
+
+    *buffer = ptr::null();
+    *buffer_len = 0;
+
+    return 0;
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_sip_tx_get_stat_code(
+    tx: &mut SIPTransaction,
+    buffer: *mut *const u8,
+    buffer_len: *mut u32,
+) -> u8 {
+    if let Some(ref r) = tx.response {
+        let c = &r.code;
+        if !c.is_empty() {
+            *buffer = c.as_ptr();
+            *buffer_len = c.len() as u32;
+            return 1;
+        }
+    }
+
+    *buffer = ptr::null();
+    *buffer_len = 0;
+
+    return 0;
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_sip_tx_get_stat_msg(
+    tx: &mut SIPTransaction,
+    buffer: *mut *const u8,
+    buffer_len: *mut u32,
+) -> u8 {
+    if let Some(ref r) = tx.response {
+        let re = &r.reason;
+        if !re.is_empty() {
+            *buffer = re.as_ptr();
+            *buffer_len = re.len() as u32;
+            return 1;
+        }
+    }
+
+    *buffer = ptr::null();
+    *buffer_len = 0;
+
+    return 0;
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_sip_tx_get_request_line(
+    tx: &mut SIPTransaction,
+    buffer: *mut *const u8,
+    buffer_len: *mut u32,
+) -> u8 {
+    if let Some(ref r) = tx.request_line {
+        if !r.is_empty() {
+            *buffer = r.as_ptr();
+            *buffer_len = r.len() as u32;
+            return 1;
+        }
+    }
+
+    *buffer = ptr::null();
+    *buffer_len = 0;
+
+    return 0;
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_sip_tx_get_response_line(
+    tx: &mut SIPTransaction,
+    buffer: *mut *const u8,
+    buffer_len: *mut u32,
+) -> u8 {
+    if let Some(ref r) = tx.response_line {
+        if !r.is_empty() {
+            *buffer = r.as_ptr();
+            *buffer_len = r.len() as u32;
+            return 1;
+        }
+    }
+
+    *buffer = ptr::null();
+    *buffer_len = 0;
+
+    return 0;
+}