From: Victor Julien <vjulien@oisf.net>
Date: Tue, 19 Dec 2023 10:42:42 +0000 (+0100)
Subject: mpm: register algo features
X-Git-Tag: suricata-8.0.0-beta1~1647
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b499239ef571891b4a0ec7e5f98945d5e78296ef;p=thirdparty%2Fsuricata.git

mpm: register algo features

This is so patterns can reply on mpm match meaning a full match.

Not yet used.
---

diff --git a/src/util-mpm-ac-ks.c b/src/util-mpm-ac-ks.c
index df36452be3..60bb1b7a9e 100644
--- a/src/util-mpm-ac-ks.c
+++ b/src/util-mpm-ac-ks.c
@@ -1408,6 +1408,7 @@ void MpmACTileRegister(void)
 #ifdef UNITTESTS
     mpm_table[MPM_AC_KS].RegisterUnittests = SCACTileRegisterTests;
 #endif
+    mpm_table[MPM_AC_KS].feature_flags = MPM_FEATURE_FLAG_DEPTH | MPM_FEATURE_FLAG_OFFSET;
 }
 
 
diff --git a/src/util-mpm-ac.c b/src/util-mpm-ac.c
index e7eb63cf4f..e85b6e5032 100644
--- a/src/util-mpm-ac.c
+++ b/src/util-mpm-ac.c
@@ -1127,6 +1127,7 @@ void MpmACRegister(void)
 #ifdef UNITTESTS
     mpm_table[MPM_AC].RegisterUnittests = SCACRegisterTests;
 #endif
+    mpm_table[MPM_AC].feature_flags = MPM_FEATURE_FLAG_DEPTH | MPM_FEATURE_FLAG_OFFSET;
     return;
 }
 
diff --git a/src/util-mpm-hs.c b/src/util-mpm-hs.c
index 5c24199184..b22b6f869d 100644
--- a/src/util-mpm-hs.c
+++ b/src/util-mpm-hs.c
@@ -1055,6 +1055,7 @@ void MpmHSRegister(void)
 #ifdef UNITTESTS
     mpm_table[MPM_HS].RegisterUnittests = SCHSRegisterTests;
 #endif
+    mpm_table[MPM_HS].feature_flags = MPM_FEATURE_FLAG_DEPTH | MPM_FEATURE_FLAG_OFFSET;
     /* Set Hyperscan memory allocators */
     SCHSSetAllocators();
 }
diff --git a/src/util-mpm.h b/src/util-mpm.h
index c3b12d8a1a..2df692040a 100644
--- a/src/util-mpm.h
+++ b/src/util-mpm.h
@@ -138,6 +138,9 @@ typedef struct MpmCtxFactoryContainer_ {
  *  what is passed through the API */
 #define MPM_PATTERN_CTX_OWNS_ID     0x20
 
+#define MPM_FEATURE_FLAG_DEPTH  BIT_U8(0)
+#define MPM_FEATURE_FLAG_OFFSET BIT_U8(1)
+
 typedef struct MpmTableElmt_ {
     const char *name;
     void (*InitCtx)(struct MpmCtx_ *);
@@ -166,6 +169,7 @@ typedef struct MpmTableElmt_ {
 #ifdef UNITTESTS
     void (*RegisterUnittests)(void);
 #endif
+    uint8_t feature_flags;
 } MpmTableElmt;
 
 extern MpmTableElmt mpm_table[MPM_TABLE_SIZE];