adding validated services? patching forcad_local.py

OmCTF-2025/sources/polyphonia/obfuscator_src/tests/json/extract_tone_sequences.c

@@ -0,0 +1,37 @@
+#include <stdio.h>
+#include <string.h>
+
+static void extract(const char *json) {
+    char tone_sequences_json[8192] = "[]";
+    const char *ts_pos = strstr(json, "\"toneSequences\":");
+    if (ts_pos)
+    {
+        const char *p = strchr(ts_pos, '[');
+        if (p)
+        {
+            int depth = 0;
+            const char *q = p;
+            while (*q && (q - p) < (int)sizeof(tone_sequences_json) - 2)
+            {
+                if (*q == '[') depth++;
+                else if (*q == ']') { depth--; if (depth == 0) { q++; break; } }
+                q++;
+            }
+            size_t len = (size_t)(q - p);
+            if (len > 0 && len < sizeof(tone_sequences_json))
+            {
+                memcpy(tone_sequences_json, p, len);
+                tone_sequences_json[len] = '\0';
+            }
+        }
+    }
+    printf("tone_sequences=%s\n", tone_sequences_json);
+}
+
+int main(void) {
+    const char *input =
+        "{\"name\":\"xxxsed\",\"description\":\"\",\"toneSequences\":[{\"id\":1758442926199.0464,\"baseNote\":60,\"intervalType\":\"unison\",\"chordType\":\"none\",\"tempo\":120,\"duration\":4,\"notes\":[60]}]}";
+    extract(input);
+    return 0;
+}
+