From a990de90fe41456a23e58bd087d2f107d321f3a1 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Fri, 19 Jul 2024 16:37:58 +0400 Subject: Deleted vendor folder --- vendor/object/src/read/pe/section.rs | 440 ----------------------------------- 1 file changed, 440 deletions(-) delete mode 100644 vendor/object/src/read/pe/section.rs (limited to 'vendor/object/src/read/pe/section.rs') diff --git a/vendor/object/src/read/pe/section.rs b/vendor/object/src/read/pe/section.rs deleted file mode 100644 index 74c9d7f..0000000 --- a/vendor/object/src/read/pe/section.rs +++ /dev/null @@ -1,440 +0,0 @@ -use core::marker::PhantomData; -use core::{cmp, iter, slice, str}; - -use crate::endian::LittleEndian as LE; -use crate::pe; -use crate::pe::ImageSectionHeader; -use crate::read::{ - self, CompressedData, CompressedFileRange, ObjectSection, ObjectSegment, ReadError, ReadRef, - Relocation, Result, SectionFlags, SectionIndex, SectionKind, SegmentFlags, -}; - -use super::{ImageNtHeaders, PeFile, SectionTable}; - -/// An iterator for the loadable sections in a [`PeFile32`](super::PeFile32). -pub type PeSegmentIterator32<'data, 'file, R = &'data [u8]> = - PeSegmentIterator<'data, 'file, pe::ImageNtHeaders32, R>; -/// An iterator for the loadable sections in a [`PeFile64`](super::PeFile64). -pub type PeSegmentIterator64<'data, 'file, R = &'data [u8]> = - PeSegmentIterator<'data, 'file, pe::ImageNtHeaders64, R>; - -/// An iterator for the loadable sections in a [`PeFile`]. -#[derive(Debug)] -pub struct PeSegmentIterator<'data, 'file, Pe, R = &'data [u8]> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ - pub(super) file: &'file PeFile<'data, Pe, R>, - pub(super) iter: slice::Iter<'data, pe::ImageSectionHeader>, -} - -impl<'data, 'file, Pe, R> Iterator for PeSegmentIterator<'data, 'file, Pe, R> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ - type Item = PeSegment<'data, 'file, Pe, R>; - - fn next(&mut self) -> Option { - self.iter.next().map(|section| PeSegment { - file: self.file, - section, - }) - } -} - -/// A loadable section in a [`PeFile32`](super::PeFile32). -pub type PeSegment32<'data, 'file, R = &'data [u8]> = - PeSegment<'data, 'file, pe::ImageNtHeaders32, R>; -/// A loadable section in a [`PeFile64`](super::PeFile64). -pub type PeSegment64<'data, 'file, R = &'data [u8]> = - PeSegment<'data, 'file, pe::ImageNtHeaders64, R>; - -/// A loadable section in a [`PeFile`]. -/// -/// Most functionality is provided by the [`ObjectSegment`] trait implementation. -#[derive(Debug)] -pub struct PeSegment<'data, 'file, Pe, R = &'data [u8]> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ - file: &'file PeFile<'data, Pe, R>, - section: &'data pe::ImageSectionHeader, -} - -impl<'data, 'file, Pe, R> read::private::Sealed for PeSegment<'data, 'file, Pe, R> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ -} - -impl<'data, 'file, Pe, R> ObjectSegment<'data> for PeSegment<'data, 'file, Pe, R> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ - #[inline] - fn address(&self) -> u64 { - u64::from(self.section.virtual_address.get(LE)).wrapping_add(self.file.common.image_base) - } - - #[inline] - fn size(&self) -> u64 { - u64::from(self.section.virtual_size.get(LE)) - } - - #[inline] - fn align(&self) -> u64 { - self.file.section_alignment() - } - - #[inline] - fn file_range(&self) -> (u64, u64) { - let (offset, size) = self.section.pe_file_range(); - (u64::from(offset), u64::from(size)) - } - - fn data(&self) -> Result<&'data [u8]> { - self.section.pe_data(self.file.data) - } - - fn data_range(&self, address: u64, size: u64) -> Result> { - Ok(read::util::data_range( - self.data()?, - self.address(), - address, - size, - )) - } - - #[inline] - fn name_bytes(&self) -> Result> { - self.section - .name(self.file.common.symbols.strings()) - .map(Some) - } - - #[inline] - fn name(&self) -> Result> { - let name = self.section.name(self.file.common.symbols.strings())?; - Ok(Some( - str::from_utf8(name) - .ok() - .read_error("Non UTF-8 PE section name")?, - )) - } - - #[inline] - fn flags(&self) -> SegmentFlags { - let characteristics = self.section.characteristics.get(LE); - SegmentFlags::Coff { characteristics } - } -} - -/// An iterator for the sections in a [`PeFile32`](super::PeFile32). -pub type PeSectionIterator32<'data, 'file, R = &'data [u8]> = - PeSectionIterator<'data, 'file, pe::ImageNtHeaders32, R>; -/// An iterator for the sections in a [`PeFile64`](super::PeFile64). -pub type PeSectionIterator64<'data, 'file, R = &'data [u8]> = - PeSectionIterator<'data, 'file, pe::ImageNtHeaders64, R>; - -/// An iterator for the sections in a [`PeFile`]. -#[derive(Debug)] -pub struct PeSectionIterator<'data, 'file, Pe, R = &'data [u8]> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ - pub(super) file: &'file PeFile<'data, Pe, R>, - pub(super) iter: iter::Enumerate>, -} - -impl<'data, 'file, Pe, R> Iterator for PeSectionIterator<'data, 'file, Pe, R> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ - type Item = PeSection<'data, 'file, Pe, R>; - - fn next(&mut self) -> Option { - self.iter.next().map(|(index, section)| PeSection { - file: self.file, - index: SectionIndex(index + 1), - section, - }) - } -} - -/// A section in a [`PeFile32`](super::PeFile32). -pub type PeSection32<'data, 'file, R = &'data [u8]> = - PeSection<'data, 'file, pe::ImageNtHeaders32, R>; -/// A section in a [`PeFile64`](super::PeFile64). -pub type PeSection64<'data, 'file, R = &'data [u8]> = - PeSection<'data, 'file, pe::ImageNtHeaders64, R>; - -/// A section in a [`PeFile`]. -/// -/// Most functionality is provided by the [`ObjectSection`] trait implementation. -#[derive(Debug)] -pub struct PeSection<'data, 'file, Pe, R = &'data [u8]> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ - pub(super) file: &'file PeFile<'data, Pe, R>, - pub(super) index: SectionIndex, - pub(super) section: &'data pe::ImageSectionHeader, -} - -impl<'data, 'file, Pe, R> read::private::Sealed for PeSection<'data, 'file, Pe, R> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ -} - -impl<'data, 'file, Pe, R> ObjectSection<'data> for PeSection<'data, 'file, Pe, R> -where - Pe: ImageNtHeaders, - R: ReadRef<'data>, -{ - type RelocationIterator = PeRelocationIterator<'data, 'file, R>; - - #[inline] - fn index(&self) -> SectionIndex { - self.index - } - - #[inline] - fn address(&self) -> u64 { - u64::from(self.section.virtual_address.get(LE)).wrapping_add(self.file.common.image_base) - } - - #[inline] - fn size(&self) -> u64 { - u64::from(self.section.virtual_size.get(LE)) - } - - #[inline] - fn align(&self) -> u64 { - self.file.section_alignment() - } - - #[inline] - fn file_range(&self) -> Option<(u64, u64)> { - let (offset, size) = self.section.pe_file_range(); - if size == 0 { - None - } else { - Some((u64::from(offset), u64::from(size))) - } - } - - fn data(&self) -> Result<&'data [u8]> { - self.section.pe_data(self.file.data) - } - - fn data_range(&self, address: u64, size: u64) -> Result> { - Ok(read::util::data_range( - self.data()?, - self.address(), - address, - size, - )) - } - - #[inline] - fn compressed_file_range(&self) -> Result { - Ok(CompressedFileRange::none(self.file_range())) - } - - #[inline] - fn compressed_data(&self) -> Result> { - self.data().map(CompressedData::none) - } - - #[inline] - fn name_bytes(&self) -> Result<&[u8]> { - self.section.name(self.file.common.symbols.strings()) - } - - #[inline] - fn name(&self) -> Result<&str> { - let name = self.name_bytes()?; - str::from_utf8(name) - .ok() - .read_error("Non UTF-8 PE section name") - } - - #[inline] - fn segment_name_bytes(&self) -> Result> { - Ok(None) - } - - #[inline] - fn segment_name(&self) -> Result> { - Ok(None) - } - - #[inline] - fn kind(&self) -> SectionKind { - self.section.kind() - } - - fn relocations(&self) -> PeRelocationIterator<'data, 'file, R> { - PeRelocationIterator(PhantomData) - } - - fn flags(&self) -> SectionFlags { - SectionFlags::Coff { - characteristics: self.section.characteristics.get(LE), - } - } -} - -impl<'data> SectionTable<'data> { - /// Return the file offset of the given virtual address, and the size up - /// to the end of the section containing it. - /// - /// Returns `None` if no section contains the address. - pub fn pe_file_range_at(&self, va: u32) -> Option<(u32, u32)> { - self.iter().find_map(|section| section.pe_file_range_at(va)) - } - - /// Return the data starting at the given virtual address, up to the end of the - /// section containing it. - /// - /// Ignores sections with invalid data. - /// - /// Returns `None` if no section contains the address. - pub fn pe_data_at>(&self, data: R, va: u32) -> Option<&'data [u8]> { - self.iter().find_map(|section| section.pe_data_at(data, va)) - } - - /// Return the data of the section that contains the given virtual address in a PE file. - /// - /// Also returns the virtual address of that section. - /// - /// Ignores sections with invalid data. - pub fn pe_data_containing>( - &self, - data: R, - va: u32, - ) -> Option<(&'data [u8], u32)> { - self.iter() - .find_map(|section| section.pe_data_containing(data, va)) - } - - /// Return the section that contains a given virtual address. - pub fn section_containing(&self, va: u32) -> Option<&'data ImageSectionHeader> { - self.iter().find(|section| section.contains_rva(va)) - } -} - -impl pe::ImageSectionHeader { - /// Return the offset and size of the section in a PE file. - /// - /// The size of the range will be the minimum of the file size and virtual size. - pub fn pe_file_range(&self) -> (u32, u32) { - // Pointer and size will be zero for uninitialized data; we don't need to validate this. - let offset = self.pointer_to_raw_data.get(LE); - let size = cmp::min(self.virtual_size.get(LE), self.size_of_raw_data.get(LE)); - (offset, size) - } - - /// Return the file offset of the given virtual address, and the remaining size up - /// to the end of the section. - /// - /// Returns `None` if the section does not contain the address. - pub fn pe_file_range_at(&self, va: u32) -> Option<(u32, u32)> { - let section_va = self.virtual_address.get(LE); - let offset = va.checked_sub(section_va)?; - let (section_offset, section_size) = self.pe_file_range(); - // Address must be within section (and not at its end). - if offset < section_size { - Some((section_offset.checked_add(offset)?, section_size - offset)) - } else { - None - } - } - - /// Return the virtual address and size of the section. - pub fn pe_address_range(&self) -> (u32, u32) { - (self.virtual_address.get(LE), self.virtual_size.get(LE)) - } - - /// Return the section data in a PE file. - /// - /// The length of the data will be the minimum of the file size and virtual size. - pub fn pe_data<'data, R: ReadRef<'data>>(&self, data: R) -> Result<&'data [u8]> { - let (offset, size) = self.pe_file_range(); - data.read_bytes_at(offset.into(), size.into()) - .read_error("Invalid PE section offset or size") - } - - /// Return the data starting at the given virtual address, up to the end of the - /// section. - /// - /// Ignores sections with invalid data. - /// - /// Returns `None` if the section does not contain the address. - pub fn pe_data_at<'data, R: ReadRef<'data>>(&self, data: R, va: u32) -> Option<&'data [u8]> { - let (offset, size) = self.pe_file_range_at(va)?; - data.read_bytes_at(offset.into(), size.into()).ok() - } - - /// Tests whether a given RVA is part of this section - pub fn contains_rva(&self, va: u32) -> bool { - let section_va = self.virtual_address.get(LE); - match va.checked_sub(section_va) { - None => false, - Some(offset) => { - // Address must be within section (and not at its end). - offset < self.virtual_size.get(LE) - } - } - } - - /// Return the section data if it contains the given virtual address. - /// - /// Also returns the virtual address of that section. - /// - /// Ignores sections with invalid data. - pub fn pe_data_containing<'data, R: ReadRef<'data>>( - &self, - data: R, - va: u32, - ) -> Option<(&'data [u8], u32)> { - let section_va = self.virtual_address.get(LE); - let offset = va.checked_sub(section_va)?; - let (section_offset, section_size) = self.pe_file_range(); - // Address must be within section (and not at its end). - if offset < section_size { - let section_data = data - .read_bytes_at(section_offset.into(), section_size.into()) - .ok()?; - Some((section_data, section_va)) - } else { - None - } - } -} - -/// An iterator for the relocations in an [`PeSection`]. -/// -/// This is a stub that doesn't implement any functionality. -#[derive(Debug)] -pub struct PeRelocationIterator<'data, 'file, R = &'data [u8]>( - PhantomData<(&'data (), &'file (), R)>, -); - -impl<'data, 'file, R> Iterator for PeRelocationIterator<'data, 'file, R> { - type Item = (u64, Relocation); - - fn next(&mut self) -> Option { - None - } -} -- cgit v1.2.3