Adding upstream version 1:7.0.3.upstream/1%7.0.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 71 insertions, 0 deletions

diff --git a/src/detect-rev.c b/src/detect-rev.c
new file mode 100644
index 0000000..dda513c
--- /dev/null
+++ b/src/detect-rev.c
@@ -0,0 +1,71 @@
+/* Copyright (C) 2007-2010 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 Victor Julien <victor@inliniac.net>
+ *
+ * Implements the rev keyword
+ */
+
+#include "suricata-common.h"
+#include "detect.h"
+#include "detect-rev.h"
+#include "util-debug.h"
+#include "util-error.h"
+
+static int DetectRevSetup (DetectEngineCtx *, Signature *, const char *);
+
+void DetectRevRegister (void)
+{
+    sigmatch_table[DETECT_REV].name = "rev";
+    sigmatch_table[DETECT_REV].desc = "set version of the rule";
+    sigmatch_table[DETECT_REV].url = "/rules/meta.html#rev-revision";
+    sigmatch_table[DETECT_REV].Setup = DetectRevSetup;
+}
+
+static int DetectRevSetup (DetectEngineCtx *de_ctx, Signature *s, const char *rawstr)
+{
+    unsigned long rev = 0;
+    char *endptr = NULL;
+    rev = strtoul(rawstr, &endptr, 10);
+    if (endptr == NULL || *endptr != '\0') {
+        SCLogError("invalid character as arg "
+                   "to rev keyword");
+        goto error;
+    }
+    if (rev >= UINT_MAX) {
+        SCLogError("rev value to high, max %u", UINT_MAX);
+        goto error;
+    }
+    if (rev == 0) {
+        SCLogError("rev value 0 is invalid");
+        goto error;
+    }
+    if (s->rev > 0) {
+        SCLogError("duplicated 'rev' keyword detected");
+        goto error;
+    }
+
+    s->rev = (uint32_t)rev;
+
+    return 0;
+
+ error:
+    return -1;
+}
\ No newline at end of file