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-rw-r--r--tools/pe_bliss/pe_section.h137
1 files changed, 137 insertions, 0 deletions
diff --git a/tools/pe_bliss/pe_section.h b/tools/pe_bliss/pe_section.h
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index 0000000000..8d8e2371ee
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+++ b/tools/pe_bliss/pe_section.h
@@ -0,0 +1,137 @@
+#pragma once
+#include <string>
+#include <vector>
+#include "pe_structures.h"
+
+namespace pe_bliss
+{
+//Enumeration of section data types, used in functions below
+enum section_data_type
+{
+ section_data_raw,
+ section_data_virtual
+};
+
+//Class representing image section
+class section
+{
+public:
+ //Default constructor
+ section();
+
+ //Sets the name of section (stripped to 8 characters)
+ void set_name(const std::string& name);
+
+ //Returns the name of section
+ const std::string get_name() const;
+
+ //Changes attributes of section
+ section& readable(bool readable);
+ section& writeable(bool writeable);
+ section& executable(bool executable);
+ section& shared(bool shared);
+ section& discardable(bool discardable);
+
+ //Returns attributes of section
+ bool readable() const;
+ bool writeable() const;
+ bool executable() const;
+ bool shared() const;
+ bool discardable() const;
+
+ //Returns true if section has no RAW data
+ bool empty() const;
+
+ //Returns raw section data from file image
+ std::string& get_raw_data();
+ //Returns raw section data from file image
+ const std::string& get_raw_data() const;
+ //Returns mapped virtual section data
+ const std::string& get_virtual_data(uint32_t section_alignment) const;
+ //Returns mapped virtual section data
+ std::string& get_virtual_data(uint32_t section_alignment);
+
+public: //Header getters
+ //Returns section virtual size
+ uint32_t get_virtual_size() const;
+ //Returns section virtual address (RVA)
+ uint32_t get_virtual_address() const;
+ //Returns size of section raw data
+ uint32_t get_size_of_raw_data() const;
+ //Returns pointer to raw section data in PE file
+ uint32_t get_pointer_to_raw_data() const;
+ //Returns section characteristics
+ uint32_t get_characteristics() const;
+
+ //Returns raw image section header
+ const pe_win::image_section_header& get_raw_header() const;
+
+public: //Aligned sizes calculation
+ //Calculates aligned virtual section size
+ uint32_t get_aligned_virtual_size(uint32_t section_alignment) const;
+ //Calculates aligned raw section size
+ uint32_t get_aligned_raw_size(uint32_t file_alignment) const;
+
+public: //Setters
+ //Sets size of raw section data
+ void set_size_of_raw_data(uint32_t size_of_raw_data);
+ //Sets pointer to section raw data
+ void set_pointer_to_raw_data(uint32_t pointer_to_raw_data);
+ //Sets section characteristics
+ void set_characteristics(uint32_t characteristics);
+ //Sets raw section data from file image
+ void set_raw_data(const std::string& data);
+
+public: //Setters, be careful
+ //Sets section virtual size (doesn't set internal aligned virtual size, changes only header value)
+ //Better use pe_base::set_section_virtual_size
+ void set_virtual_size(uint32_t virtual_size);
+ //Sets section virtual address
+ void set_virtual_address(uint32_t virtual_address);
+ //Returns raw image section header
+ pe_win::image_section_header& get_raw_header();
+
+private:
+ //Section header
+ pe_win::image_section_header header_;
+
+ //Maps virtual section data
+ void map_virtual(uint32_t section_alignment) const;
+
+ //Unmaps virtual section data
+ void unmap_virtual() const;
+
+ //Set flag (attribute) of section
+ section& set_flag(uint32_t flag, bool setflag);
+
+ //Old size of section (stored after mapping of virtual section memory)
+ mutable std::size_t old_size_;
+
+ //Section raw/virtual data
+ mutable std::string raw_data_;
+};
+
+//Section by file offset finder helper (4gb max)
+struct section_by_raw_offset
+{
+public:
+ explicit section_by_raw_offset(uint32_t offset);
+ bool operator()(const section& s) const;
+
+private:
+ uint32_t offset_;
+};
+
+//Helper: finder of section* in sections list
+struct section_ptr_finder
+{
+public:
+ explicit section_ptr_finder(const section& s);
+ bool operator()(const section& s) const;
+
+private:
+ const section& s_;
+};
+
+typedef std::vector<section> section_list;
+}