From 7dbe033ae0d6c5a9c94776d90bacfffd1ec1ee4d Mon Sep 17 00:00:00 2001
From: Philippe Antoine <pantoine@oisf.net>
Date: Thu, 27 Nov 2025 15:05:02 +0100
Subject: [PATCH] app-layer: function to register ci pattern + probe

Ticket: 6591
---
 rust/sys/src/sys.rs          |  7 +++++++
 src/app-layer-detect-proto.c | 10 ++++++++++
 src/app-layer-detect-proto.h |  3 +++
 3 files changed, 20 insertions(+)

diff --git a/rust/sys/src/sys.rs b/rust/sys/src/sys.rs
index 49ee8035f5..60665a676f 100644
--- a/rust/sys/src/sys.rs
+++ b/rust/sys/src/sys.rs
@@ -916,6 +916,13 @@ extern "C" {
         offset: u16, direction: u8,
     ) -> ::std::os::raw::c_int;
 }
+extern "C" {
+    pub fn SCAppLayerProtoDetectPMRegisterPatternCIwPP(
+        ipproto: u8, alproto: AppProto, pattern: *const ::std::os::raw::c_char, depth: u16,
+        offset: u16, direction: u8, PPFunc: ProbingParserFPtr, pp_min_depth: u16,
+        pp_max_depth: u16,
+    ) -> ::std::os::raw::c_int;
+}
 extern "C" {
     pub fn SCAppLayerRequestProtocolTLSUpgrade(f: *mut Flow) -> bool;
 }
diff --git a/src/app-layer-detect-proto.c b/src/app-layer-detect-proto.c
index 91f0d7bc92..0be4bcfc39 100644
--- a/src/app-layer-detect-proto.c
+++ b/src/app-layer-detect-proto.c
@@ -1645,6 +1645,16 @@ int SCAppLayerProtoDetectPMRegisterPatternCSwPP(uint8_t ipproto, AppProto alprot
     SCReturnInt(r);
 }
 
+int SCAppLayerProtoDetectPMRegisterPatternCIwPP(uint8_t ipproto, AppProto alproto,
+        const char *pattern, uint16_t depth, uint16_t offset, uint8_t direction,
+        ProbingParserFPtr PPFunc, uint16_t pp_min_depth, uint16_t pp_max_depth)
+{
+    SCEnter();
+    int r = AppLayerProtoDetectPMRegisterPattern(ipproto, alproto, pattern, depth, offset,
+            direction, 0 /* case-insensitive */, PPFunc, pp_min_depth, pp_max_depth);
+    SCReturnInt(r);
+}
+
 int SCAppLayerProtoDetectPMRegisterPatternCI(uint8_t ipproto, AppProto alproto, const char *pattern,
         uint16_t depth, uint16_t offset, uint8_t direction)
 {
diff --git a/src/app-layer-detect-proto.h b/src/app-layer-detect-proto.h
index 52737e9c25..276eeea736 100644
--- a/src/app-layer-detect-proto.h
+++ b/src/app-layer-detect-proto.h
@@ -89,6 +89,9 @@ int SCAppLayerProtoDetectPMRegisterPatternCSwPP(uint8_t ipproto, AppProto alprot
  */
 int SCAppLayerProtoDetectPMRegisterPatternCI(uint8_t ipproto, AppProto alproto, const char *pattern,
         uint16_t depth, uint16_t offset, uint8_t direction);
+int SCAppLayerProtoDetectPMRegisterPatternCIwPP(uint8_t ipproto, AppProto alproto,
+        const char *pattern, uint16_t depth, uint16_t offset, uint8_t direction,
+        ProbingParserFPtr PPFunc, uint16_t pp_min_depth, uint16_t pp_max_depth);
 
 /***** Setup/General Registration *****/