1 files changed, 106 insertions, 0 deletions
diff --git a/src/datasets-string.c b/src/datasets-string.c
new file mode 100644
index 0000000..4a57289
--- /dev/null
+++ b/src/datasets-string.c
@@ -0,0 +1,106 @@
+/* Copyright (C) 2017-2019 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>
+ */
+
+#include "suricata-common.h"
+#include "conf.h"
+#include "datasets.h"
+#include "datasets-string.h"
+#include "util-thash.h"
+#include "util-print.h"
+#include "util-base64.h"    // decode base64
+#include "rust.h"
+
+#if 0
+static int StringAsAscii(const void *s, char *out, size_t out_size)
+{
+    const StringType *str = s;
+    uint32_t offset = 0;
+    PrintRawUriBuf(out, &offset, out_size, str->ptr, str->len);
+    if (out[0] == '\0')
+        return 0;
+    strlcat(out, "\n", out_size);
+    return strlen(out);
+}
+#endif
+
+int StringAsBase64(const void *s, char *out, size_t out_size)
+{
+    const StringType *str = s;
+
+    unsigned long len = Base64EncodeBufferSize(str->len);
+    uint8_t encoded_data[len];
+    if (Base64Encode((unsigned char *)str->ptr, str->len,
+        encoded_data, &len) != SC_BASE64_OK)
+        return 0;
+
+    strlcpy(out, (const char *)encoded_data, out_size);
+    strlcat(out, "\n", out_size);
+    return strlen(out);
+}
+
+int StringSet(void *dst, void *src)
+{
+    StringType *src_s = src;
+    StringType *dst_s = dst;
+    SCLogDebug("dst %p src %p, src_s->ptr %p src_s->len %u", dst, src, src_s->ptr, src_s->len);
+
+    dst_s->len = src_s->len;
+    dst_s->ptr = SCMalloc(dst_s->len);
+    BUG_ON(dst_s->ptr == NULL);
+    memcpy(dst_s->ptr, src_s->ptr, dst_s->len);
+
+    dst_s->rep = src_s->rep;
+    SCLogDebug("dst %p src %p, dst_s->ptr %p dst_s->len %u", dst, src, dst_s->ptr, dst_s->len);
+    return 0;
+}
+
+bool StringCompare(void *a, void *b)
+{
+    const StringType *as = a;
+    const StringType *bs = b;
+
+    if (as->len != bs->len)
+        return false;
+
+    return (memcmp(as->ptr, bs->ptr, as->len) == 0);
+}
+
+uint32_t StringHash(void *s)
+{
+    uint32_t hash = 5381;
+    StringType *str = s;
+
+    for (uint32_t i = 0; i < str->len; i++) {
+        int c = str->ptr[i];
+        hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
+    }
+
+    return hash;
+}
+
+// base data stays in hash
+void StringFree(void *s)
+{
+    StringType *str = s;
+    SCFree(str->ptr);
+}