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-rw-r--r--src/detect-engine-uint.c150
1 files changed, 150 insertions, 0 deletions
diff --git a/src/detect-engine-uint.c b/src/detect-engine-uint.c
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+/* Copyright (C) 2020 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.
+ */
+
+/**
+ * \file
+ *
+ * \author Philippe Antoine <p.antoine@catenacyber.fr>
+ *
+ */
+
+#include "suricata-common.h"
+
+#include "util-byte.h"
+#include "detect-parse.h"
+#include "detect-engine-uint.h"
+
+int DetectU32Match(const uint32_t parg, const DetectUintData_u32 *du32)
+{
+ return rs_detect_u32_match(parg, du32);
+}
+
+/**
+ * \brief This function is used to parse u32 options passed via some u32 keyword
+ *
+ * \param u32str Pointer to the user provided u32 options
+ *
+ * \retval DetectU32Data pointer to DetectU32Data on success
+ * \retval NULL on failure
+ */
+
+DetectUintData_u32 *DetectU32Parse(const char *u32str)
+{
+ return rs_detect_u32_parse(u32str);
+}
+
+void
+PrefilterPacketU32Set(PrefilterPacketHeaderValue *v, void *smctx)
+{
+ const DetectUintData_u32 *a = smctx;
+ v->u8[0] = a->mode;
+ v->u32[1] = a->arg1;
+ v->u32[2] = a->arg2;
+}
+
+bool
+PrefilterPacketU32Compare(PrefilterPacketHeaderValue v, void *smctx)
+{
+ const DetectUintData_u32 *a = smctx;
+ if (v.u8[0] == a->mode &&
+ v.u32[1] == a->arg1 &&
+ v.u32[2] == a->arg2)
+ return true;
+ return false;
+}
+
+//same as u32 but with u8
+int DetectU8Match(const uint8_t parg, const DetectUintData_u8 *du8)
+{
+ return rs_detect_u8_match(parg, du8);
+}
+
+/**
+ * \brief This function is used to parse u8 options passed via some u8 keyword
+ *
+ * \param u8str Pointer to the user provided u8 options
+ *
+ * \retval DetectU8Data pointer to DetectU8Data on success
+ * \retval NULL on failure
+ */
+
+DetectUintData_u8 *DetectU8Parse(const char *u8str)
+{
+ return rs_detect_u8_parse(u8str);
+}
+
+void PrefilterPacketU8Set(PrefilterPacketHeaderValue *v, void *smctx)
+{
+ const DetectUintData_u8 *a = smctx;
+ v->u8[0] = a->mode;
+ v->u8[1] = a->arg1;
+ v->u8[2] = a->arg2;
+}
+
+bool PrefilterPacketU8Compare(PrefilterPacketHeaderValue v, void *smctx)
+{
+ const DetectUintData_u8 *a = smctx;
+ if (v.u8[0] == a->mode && v.u8[1] == a->arg1 && v.u8[2] == a->arg2)
+ return true;
+ return false;
+}
+
+// same as u32 but with u16
+int DetectU16Match(const uint16_t parg, const DetectUintData_u16 *du16)
+{
+ return rs_detect_u16_match(parg, du16);
+}
+
+/**
+ * \brief This function is used to parse u16 options passed via some u16 keyword
+ *
+ * \param u16str Pointer to the user provided u16 options
+ *
+ * \retval DetectU16Data pointer to DetectU16Data on success
+ * \retval NULL on failure
+ */
+
+DetectUintData_u16 *DetectU16Parse(const char *u16str)
+{
+ return rs_detect_u16_parse(u16str);
+}
+
+void PrefilterPacketU16Set(PrefilterPacketHeaderValue *v, void *smctx)
+{
+ const DetectUintData_u16 *a = smctx;
+ v->u8[0] = a->mode;
+ v->u16[1] = a->arg1;
+ v->u16[2] = a->arg2;
+}
+
+bool PrefilterPacketU16Compare(PrefilterPacketHeaderValue v, void *smctx)
+{
+ const DetectUintData_u16 *a = smctx;
+ if (v.u8[0] == a->mode && v.u16[1] == a->arg1 && v.u16[2] == a->arg2)
+ return true;
+ return false;
+}
+
+int DetectU64Match(const uint64_t parg, const DetectUintData_u64 *du64)
+{
+ return rs_detect_u64_match(parg, du64);
+}
+
+DetectUintData_u64 *DetectU64Parse(const char *u64str)
+{
+ return rs_detect_u64_parse(u64str);
+}