Move debugfile related stuff to debugfile.c

src/debugfile.c

@@ -4,4 +4,94 @@
  */
 
 #include "common.h"
+#include "types_int.h"
+#include "logging.h"
 #include "debugfile.h"
+
+int debugfile_init (debugfile_ctx_t *debugfile_ctx, const uint debug_mode, const char *debug_file)
+{
+  if (debug_mode == 0) return 0;
+
+  if (debug_file == NULL) return 0;
+
+  debugfile_ctx->mode = debug_mode;
+
+  debugfile_ctx->filename = (char *) debug_file;
+
+  debugfile_ctx->fp = fopen (debugfile_ctx->filename, "ab");
+
+  if (debugfile_ctx->fp == NULL)
+  {
+    log_error ("ERROR: Could not open debug-file for writing");
+
+    return -1;
+  }
+
+  return 0;
+}
+
+void debugfile_destroy (debugfile_ctx_t *debugfile_ctx)
+{
+  fclose (debugfile_ctx->fp);
+}
+
+void debugfile_format_plain (debugfile_ctx_t *debugfile_ctx, const u8 *plain_ptr, const u32 plain_len)
+{
+  int needs_hexify = 0;
+
+  for (uint i = 0; i < plain_len; i++)
+  {
+    if (plain_ptr[i] < 0x20)
+    {
+      needs_hexify = 1;
+
+      break;
+    }
+
+    if (plain_ptr[i] > 0x7f)
+    {
+      needs_hexify = 1;
+
+      break;
+    }
+  }
+
+  if (needs_hexify == 1)
+  {
+    fprintf (debugfile_ctx->fp, "$HEX[");
+
+    for (uint i = 0; i < plain_len; i++)
+    {
+      fprintf (debugfile_ctx->fp, "%02x", plain_ptr[i]);
+    }
+
+    fprintf (debugfile_ctx->fp, "]");
+  }
+  else
+  {
+    fwrite (plain_ptr, plain_len, 1, debugfile_ctx->fp);
+  }
+}
+
+void debugfile_write_append (debugfile_ctx_t *debugfile_ctx, const u8 *rule_buf, const u32 rule_len, const u8 *mod_plain_ptr, const u32 mod_plain_len, const u8 *orig_plain_ptr, const u32 orig_plain_len)
+{
+  const uint debug_mode = debugfile_ctx->mode;
+
+  if ((debug_mode == 2) || (debug_mode == 3) || (debug_mode == 4))
+  {
+    debugfile_format_plain (debugfile_ctx, orig_plain_ptr, orig_plain_len);
+
+    if ((debug_mode == 3) || (debug_mode == 4)) fputc (':', debugfile_ctx->fp);
+  }
+
+  fwrite (rule_buf, rule_len, 1, debugfile_ctx->fp);
+
+  if (debug_mode == 4)
+  {
+    fputc (':', debugfile_ctx->fp);
+
+    debugfile_format_plain (debugfile_ctx, mod_plain_ptr, mod_plain_len);
+  }
+
+  fputc ('\n', debugfile_ctx->fp);
+}