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transform: luaxform transform script #12141

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transform: luaxform transform script #12141

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5d87ef1
transforms: Make ctx available
jlucovsky Sep 12, 2024
72d8207
hash: Provide detection engine context to free fn
jlucovsky Sep 12, 2024
a843a76
detect/engine: Prevent double-free of keyword hash
jlucovsky Sep 12, 2024
f0d92b5
transform: Add luaxform files
jlucovsky Sep 9, 2024
aa061ac
doc: Document luaxform transform
jlucovsky Sep 18, 2024
bb0cb7b
detect/transform: Refactor setup/apply pattern
jlucovsky Oct 10, 2024
4eaffd9
clang/format: Formatting fixups
jlucovsky Nov 21, 2024
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2 changes: 2 additions & 0 deletions src/Makefile.am
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Expand Up @@ -306,6 +306,7 @@ noinst_HEADERS = \
detect-tls-random.h \
detect-tos.h \
detect-transform-base64.h \
detect-transform-luaxform.h \
detect-transform-pcrexform.h \
detect-ttl.h \
detect-udphdr.h \
Expand Down Expand Up @@ -867,6 +868,7 @@ libsuricata_c_a_SOURCES = \
detect-tls-random.c \
detect-tos.c \
detect-transform-base64.c \
detect-transform-luaxform.c \
detect-transform-pcrexform.c \
detect-ttl.c \
detect-udphdr.c \
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2 changes: 2 additions & 0 deletions src/detect-engine-register.c
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Expand Up @@ -217,6 +217,7 @@

#include "detect-transform-pcrexform.h"
#include "detect-transform-base64.h"
#include "detect-transform-luaxform.h"

#include "util-rule-vars.h"

Expand Down Expand Up @@ -674,6 +675,7 @@ void SigTableSetup(void)
DetectTransformToUpperRegister();
DetectTransformHeaderLowercaseRegister();
DetectTransformFromBase64DecodeRegister();
DetectTransformLuaxformRegister();

DetectFileHandlerRegister();

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1 change: 1 addition & 0 deletions src/detect-engine-register.h
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Expand Up @@ -315,6 +315,7 @@ enum DetectKeywordId {
DETECT_TRANSFORM_TOUPPER,
DETECT_TRANSFORM_HEADER_LOWERCASE,
DETECT_TRANSFORM_FROM_BASE64,
DETECT_TRANSFORM_LUAXFORM,

DETECT_AL_IKE_EXCH_TYPE,
DETECT_AL_IKE_SPI_INITIATOR,
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4 changes: 1 addition & 3 deletions src/detect-lua.c
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Expand Up @@ -57,6 +57,7 @@
#include "util-var-name.h"

#include "util-lua.h"
#include "util-lua-common.h"
#include "util-lua-sandbox.h"

static int DetectLuaMatch (DetectEngineThreadCtx *,
Expand Down Expand Up @@ -126,9 +127,6 @@ void DetectLuaRegister(void)
#define FLAG_INSTRUCTION_LIMIT_LOGGED BIT_U32(25)
#define FLAG_MEMORY_LIMIT_LOGGED BIT_U32(26)

#define DEFAULT_LUA_ALLOC_LIMIT 500000
#define DEFAULT_LUA_INSTRUCTION_LIMIT 500000

#if 0
/** \brief dump stack from lua state to screen */
void LuaDumpStack(lua_State *state)
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