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authormasoud bh <masoud.bh@chmail.ir>2015-09-24 02:39:26 +0330
committermasoud bh <masoud.bh@chmail.ir>2015-11-09 02:24:01 +0330
commit55b8c3ee48b690e0b801351ef0819b08b038b9d6 (patch)
tree13f568280f85e63b862540dcd069a46107161118 /tools/pe_bliss/pe_rich_data.cpp
parent24f3f43457ac6bdeed95c1ed0a882387a509078a (diff)
change pe_bliss parent directory from /drivers to /tools
Diffstat (limited to 'tools/pe_bliss/pe_rich_data.cpp')
-rw-r--r--tools/pe_bliss/pe_rich_data.cpp131
1 files changed, 131 insertions, 0 deletions
diff --git a/tools/pe_bliss/pe_rich_data.cpp b/tools/pe_bliss/pe_rich_data.cpp
new file mode 100644
index 0000000000..0497fa6469
--- /dev/null
+++ b/tools/pe_bliss/pe_rich_data.cpp
@@ -0,0 +1,131 @@
+#include "pe_rich_data.h"
+
+namespace pe_bliss
+{
+//STUB OVERLAY
+//Default constructor
+rich_data::rich_data()
+ :number_(0), version_(0), times_(0)
+{}
+
+//Who knows, what these fields mean...
+uint32_t rich_data::get_number() const
+{
+ return number_;
+}
+
+uint32_t rich_data::get_version() const
+{
+ return version_;
+}
+
+uint32_t rich_data::get_times() const
+{
+ return times_;
+}
+
+void rich_data::set_number(uint32_t number)
+{
+ number_ = number;
+}
+
+void rich_data::set_version(uint32_t version)
+{
+ version_ = version;
+}
+
+void rich_data::set_times(uint32_t times)
+{
+ times_ = times;
+}
+
+//Returns MSVC rich data
+const rich_data_list get_rich_data(const pe_base& pe)
+{
+ //Returned value
+ rich_data_list ret;
+
+ const std::string& rich_overlay = pe.get_stub_overlay();
+
+ //If there's no rich overlay, return empty vector
+ if(rich_overlay.size() < sizeof(uint32_t))
+ return ret;
+
+ //True if rich data was found
+ bool found = false;
+
+ //Rich overlay ID ("Rich" word)
+ static const uint32_t rich_overlay_id = 0x68636952;
+
+ //Search for rich data overlay ID
+ const char* begin = &rich_overlay[0];
+ const char* end = begin + rich_overlay.length();
+ for(; begin != end; ++begin)
+ {
+ if(*reinterpret_cast<const uint32_t*>(begin) == rich_overlay_id)
+ {
+ found = true; //We've found it!
+ break;
+ }
+ }
+
+ //If we found it
+ if(found)
+ {
+ //Check remaining length
+ if(static_cast<size_t>(end - begin) < sizeof(uint32_t))
+ return ret;
+
+ //The XOR key is after "Rich" word, we should get it
+ uint32_t xorkey = *reinterpret_cast<const uint32_t*>(begin + sizeof(uint32_t));
+
+ //True if rich data was found
+ found = false;
+
+ //Second search for signature "DanS"
+ begin = &rich_overlay[0];
+ for(; begin != end; ++begin)
+ {
+ if((*reinterpret_cast<const uint32_t*>(begin) ^ xorkey) == 0x536e6144) //"DanS"
+ {
+ found = true;
+ break;
+ }
+ }
+
+ //If second signature is found
+ if(found)
+ {
+ begin += sizeof(uint32_t) * 3;
+ //List all rich data structures
+ while(begin < end)
+ {
+ begin += sizeof(uint32_t);
+ if(begin >= end)
+ break;
+
+ //Check for rich overlay data end ("Rich" word reached)
+ if(*reinterpret_cast<const uint32_t*>(begin) == rich_overlay_id)
+ break;
+
+ //Create rich_data structure
+ rich_data data;
+ data.set_number((*reinterpret_cast<const uint32_t*>(begin) ^ xorkey) >> 16);
+ data.set_version((*reinterpret_cast<const uint32_t*>(begin) ^ xorkey) & 0xFFFF);
+
+ begin += sizeof(uint32_t);
+ if(begin >= end)
+ break;
+
+ data.set_times(*reinterpret_cast<const uint32_t*>(begin) ^ xorkey);
+
+ //Save rich data structure
+ ret.push_back(data);
+ }
+ }
+ }
+
+ //Return rich data structures list
+ return ret;
+}
+}