update to ida 7.6, add builds

idasdk76/plugins/hexview/hexview.cpp

@@ -0,0 +1,190 @@
+//---------------------------------------------------------------------------
+// Hex view sample plugin
+
+#include <ida.hpp>
+#include <idp.hpp>
+#include <loader.hpp>
+#include <kernwin.hpp>
+
+//---------------------------------------------------------------------------
+// hex data
+class hex_data_t : public plugmod_t, public event_listener_t
+{
+  TWidget *cv = nullptr;
+  TWidget *hexview = nullptr;
+
+  FILE *f = nullptr;
+  uint64 sz = 10000;
+  const uint align = 16;
+
+public:
+
+  hex_data_t()
+  {
+    hook_event_listener(HT_VIEW, this);
+  }
+  ~hex_data_t()
+  {
+    // listeners are uninstalled automatically
+    // when the owner module is unloaded
+    close();
+  }
+
+  virtual bool idaapi run(size_t) override;
+  virtual ssize_t idaapi on_event(ssize_t code, va_list va) override;
+
+  bool open(const char *fname)
+  {
+    close();
+    f = qfopen(fname, "rb");
+    if ( f == NULL )
+      return false;
+    // 64 bit functions could be used instead
+    qfseek(f, 0, SEEK_END);
+    sz = qftell(f);
+    return true;
+  }
+
+  void close()
+  {
+    cv = nullptr;
+    hexview = nullptr;
+    if ( f != nullptr )
+    {
+      qfclose(f);
+      f = nullptr;
+      sz = 0;
+    }
+  }
+
+  bool read(uint64 pos, void *buf, size_t bufsize)
+  {
+    // 64 bit functions could be used instead
+    if ( qfseek(f, pos, SEEK_SET) != 0 )
+      return false;
+    return qfread(f, buf, bufsize) == bufsize;
+  }
+
+  uint64 size() const
+  {
+    return sz;
+  }
+
+  int alignment() const
+  {
+    return align;
+  }
+
+  uval_t pos_to_line(uint64 pos) const
+  {
+    return pos / align;
+  }
+
+  uval_t maxline() const
+  {
+    return pos_to_line(sz - 1);
+  }
+};
+
+//---------------------------------------------------------------------------
+// hex place
+define_place_exported_functions(hex_place_t)
+
+//-------------------------------------------------------------------------
+class hex_place_t : public place_t
+{
+public:
+  hex_data_t *d;
+  uval_t n;
+  hex_place_t() : d(nullptr), n(0) { lnnum = 0; }
+  hex_place_t(hex_data_t *_d, uint64 pos = 0) : d(_d)
+  {
+    n = d->pos_to_line(pos);
+    lnnum = 0;
+  }
+  define_place_virtual_functions(hex_place_t)
+};
+#include "hexplace.cpp"
+
+//--------------------------------------------------------------------------
+ssize_t idaapi hex_data_t::on_event(ssize_t code, va_list va)
+{
+  switch ( code )
+  {
+    case ui_widget_invisible:
+      {
+        TWidget *w = va_arg(va, TWidget *);
+        if ( w == hexview || w == cv )
+        {
+          close();
+          unhook_event_listener(HT_UI, this);
+        }
+      }
+      break;
+  }
+  return 0;
+}
+
+//---------------------------------------------------------------------------
+// Create a custom view window
+bool idaapi hex_data_t::run(size_t)
+{
+  register_hex_place();
+
+  static const char title[] = "Sample hexview";
+  TWidget *widget = find_widget(title);
+  if ( widget != NULL )
+  {
+    warning("Hexview already open. Switching to it.");
+    activate_widget(widget, true);
+    return true;
+  }
+
+  // ask the user to select a file
+  char *filename = ask_file(false, NULL, "Select a file to display...");
+  if ( filename == NULL || filename[0] == 0 )
+    return true;
+  // open the file
+  if ( !open(filename) )
+    return true;
+
+  // create two place_t objects: for the minimal and maximal locations
+  hex_place_t s1(this);
+  hex_place_t s2(this, size() - 1);
+  // create a custom viewer
+  cv = create_custom_viewer(title, &s1, &s2, &s1, NULL, this, NULL, NULL);
+  // create a code viewer container for the custom view
+  hexview = create_code_viewer(cv);
+  // set the radix and alignment for the offsets
+  set_code_viewer_lines_radix(hexview, 16);
+  set_code_viewer_lines_alignment(hexview, size() > 0xFFFFFFFF ? 16 : 8);
+  // also set the ui event callback
+  hook_event_listener(HT_UI, this);
+  // finally display the form on the screen
+  display_widget(hexview, WOPN_DP_TAB|WOPN_RESTORE);
+  return true;
+}
+
+//--------------------------------------------------------------------------
+static plugmod_t *idaapi init()
+{
+  return new hex_data_t;
+}
+
+//--------------------------------------------------------------------------
+//
+//      PLUGIN DESCRIPTION BLOCK
+//
+//--------------------------------------------------------------------------
+plugin_t PLUGIN =
+{
+  IDP_INTERFACE_VERSION,
+  PLUGIN_MULTI,         // The plugin can work with multiple idbs in parallel
+  init,                 // initialize
+  nullptr,
+  nullptr,
+  nullptr,              // long comment about the plugin
+  nullptr,              // multiline help about the plugin
+  "Sample hexview",     // the preferred short name of the plugin
+  nullptr,              // the preferred hotkey to run the plugin
+};