diff options
Diffstat (limited to 'vendor/github.com/daaku/go.zipexe')
| -rw-r--r-- | vendor/github.com/daaku/go.zipexe/license | 21 | ||||
| -rw-r--r-- | vendor/github.com/daaku/go.zipexe/zipexe.go | 142 |
2 files changed, 0 insertions, 163 deletions
diff --git a/vendor/github.com/daaku/go.zipexe/license b/vendor/github.com/daaku/go.zipexe/license deleted file mode 100644 index 6a2f15c1..00000000 --- a/vendor/github.com/daaku/go.zipexe/license +++ /dev/null @@ -1,21 +0,0 @@ -The MIT License (MIT) - -Copyright © 2012-2015 Carlos Castillo - -Permission is hereby granted, free of charge, to any person obtaining a copy of -this software and associated documentation files (the “Software”), to deal in -the Software without restriction, including without limitation the rights to -use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies -of the Software, and to permit persons to whom the Software is furnished to do -so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/vendor/github.com/daaku/go.zipexe/zipexe.go b/vendor/github.com/daaku/go.zipexe/zipexe.go deleted file mode 100644 index 60046062..00000000 --- a/vendor/github.com/daaku/go.zipexe/zipexe.go +++ /dev/null @@ -1,142 +0,0 @@ -// Package zipexe attempts to open an executable binary file as a zip file. -package zipexe - -import ( - "archive/zip" - "debug/elf" - "debug/macho" - "debug/pe" - "errors" - "io" - "os" -) - -// Opens a zip file by path. -func Open(path string) (*zip.Reader, error) { - _, rd, err := OpenCloser(path) - return rd, err -} - -// OpenCloser is like Open but returns an additional Closer to avoid leaking open files. -func OpenCloser(path string) (io.Closer, *zip.Reader, error) { - file, err := os.Open(path) - if err != nil { - return nil, nil, err - } - finfo, err := file.Stat() - if err != nil { - return nil, nil, err - } - zr, err := NewReader(file, finfo.Size()) - if err != nil { - return nil, nil, err - } - return file, zr, nil -} - -// Open a zip file, specially handling various binaries that may have been -// augmented with zip data. -func NewReader(rda io.ReaderAt, size int64) (*zip.Reader, error) { - handlers := []func(io.ReaderAt, int64) (*zip.Reader, error){ - zip.NewReader, - zipExeReaderMacho, - zipExeReaderElf, - zipExeReaderPe, - } - - for _, handler := range handlers { - zfile, err := handler(rda, size) - if err == nil { - return zfile, nil - } - } - return nil, errors.New("Couldn't Open As Executable") -} - -// zipExeReaderMacho treats the file as a Mach-O binary -// (Mac OS X / Darwin executable) and attempts to find a zip archive. -func zipExeReaderMacho(rda io.ReaderAt, size int64) (*zip.Reader, error) { - file, err := macho.NewFile(rda) - if err != nil { - return nil, err - } - - var max int64 - for _, load := range file.Loads { - seg, ok := load.(*macho.Segment) - if ok { - // Check if the segment contains a zip file - if zfile, err := zip.NewReader(seg, int64(seg.Filesz)); err == nil { - return zfile, nil - } - - // Otherwise move end of file pointer - end := int64(seg.Offset + seg.Filesz) - if end > max { - max = end - } - } - } - - // No zip file within binary, try appended to end - section := io.NewSectionReader(rda, max, size-max) - return zip.NewReader(section, section.Size()) -} - -// zipExeReaderPe treats the file as a Portable Exectuable binary -// (Windows executable) and attempts to find a zip archive. -func zipExeReaderPe(rda io.ReaderAt, size int64) (*zip.Reader, error) { - file, err := pe.NewFile(rda) - if err != nil { - return nil, err - } - - var max int64 - for _, sec := range file.Sections { - // Check if this section has a zip file - if zfile, err := zip.NewReader(sec, int64(sec.Size)); err == nil { - return zfile, nil - } - - // Otherwise move end of file pointer - end := int64(sec.Offset + sec.Size) - if end > max { - max = end - } - } - - // No zip file within binary, try appended to end - section := io.NewSectionReader(rda, max, size-max) - return zip.NewReader(section, section.Size()) -} - -// zipExeReaderElf treats the file as a ELF binary -// (linux/BSD/etc... executable) and attempts to find a zip archive. -func zipExeReaderElf(rda io.ReaderAt, size int64) (*zip.Reader, error) { - file, err := elf.NewFile(rda) - if err != nil { - return nil, err - } - - var max int64 - for _, sect := range file.Sections { - if sect.Type == elf.SHT_NOBITS { - continue - } - - // Check if this section has a zip file - if zfile, err := zip.NewReader(sect, int64(sect.Size)); err == nil { - return zfile, nil - } - - // Otherwise move end of file pointer - end := int64(sect.Offset + sect.Size) - if end > max { - max = end - } - } - - // No zip file within binary, try appended to end - section := io.NewSectionReader(rda, max, size-max) - return zip.NewReader(section, section.Size()) -} |