detect/sip: add sip.from sticky buffer

Ticket OISF#6374

src/Makefile.am

@@ -290,6 +290,7 @@ noinst_HEADERS = \
 	detect-sameip.h \
 	detect-sid.h \
 	detect-sip-headers-stub.h \
+	detect-sip-from.h \
 	detect-sip-method.h \
 	detect-sip-protocol.h \
 	detect-sip-request-line.h \
@@ -904,6 +905,7 @@ libsuricata_c_a_SOURCES = \
 	detect-rpc.c \
 	detect-sameip.c \
 	detect-sid.c \
+	detect-sip-from.c \
 	detect-sip-method.c \
 	detect-sip-protocol.c \
 	detect-sip-request-line.c \

src/detect-engine-register.h

@@ -275,6 +275,7 @@ enum DetectKeywordId {
     DETECT_AL_SIP_STAT_MSG,
     DETECT_AL_SIP_REQUEST_LINE,
     DETECT_AL_SIP_RESPONSE_LINE,
+    DETECT_AL_SIP_HEADER_FROM,
     DETECT_AL_RFB_SECRESULT,
     DETECT_AL_RFB_SECTYPE,
     DETECT_AL_RFB_NAME,

src/detect-sip-from.c

@@ -0,0 +1,39 @@
+/* Copyright (C) 2024 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.
+ */
+
+/**
+ * \author Giuseppe Longo <giuseppe@glongo.it>
+ *
+ * Implements the sip.from sticky buffer
+ */
+
+#define KEYWORD_NAME     "sip.from"
+#define KEYWORD_DOC      "sip-keywords.html#sip-from"
+#define BUFFER_NAME      "sip.from"
+#define BUFFER_DESC      "sip from header"
+#define HEADER_NAME      "From"
+#define KEYWORD_ID       DETECT_AL_SIP_HEADER_FROM
+#define KEYWORD_TOSERVER 1
+#define KEYWORD_TOCLIENT 1
+
+#include "detect-sip-headers-stub.h"
+#include "detect-sip-from.h"
+
+void RegisterSipHeadersFrom(void)
+{
+    DetectSipHeadersRegisterStub();
+}

src/detect-sip-from.h

@@ -0,0 +1,23 @@
+/* Copyright (C) 2023 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.
+ */
+
+#ifndef __DETECT_SIP_FROM_H__
+#define __DETECT_SIP_FROM_H__
+
+void RegisterSipHeadersFrom(void);
+
+#endif /* __DETECT_SIP_FROM_H__ */