##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include <config.h>
+
#include <apt-pkg/fileutl.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/error.h>
#include <apt-pkg/sptr.h>
#include <apt-pkg/configuration.h>
-#include <apti18n.h>
-
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <errno.h>
#include <set>
#include <algorithm>
+
+#ifdef WORDS_BIGENDIAN
+#include <inttypes.h>
+#endif
+
+#include <apti18n.h>
/*}}}*/
using namespace std;
// This is the child
if (Child == 0)
{
+ if (_config->FindDir("DPkg::Chroot-Directory","/") != "/")
+ {
+ std::cerr << "Chrooting into "
+ << _config->FindDir("DPkg::Chroot-Directory")
+ << std::endl;
+ if (chroot(_config->FindDir("DPkg::Chroot-Directory","/").c_str()) != 0)
+ _exit(100);
+ }
+
if (chdir("/tmp/") != 0)
_exit(100);
// Buffered copy between fds
SPtrArray<unsigned char> Buf = new unsigned char[64000];
- unsigned long Size = From.Size();
+ unsigned long long Size = From.Size();
while (Size != 0)
{
- unsigned long ToRead = Size;
+ unsigned long long ToRead = Size;
if (Size > 64000)
ToRead = 64000;
/*}}}*/
// FileExists - Check if a file exists /*{{{*/
// ---------------------------------------------------------------------
-/* */
+/* Beware: Directories are also files! */
bool FileExists(string File)
{
struct stat Buf;
return true;
}
/*}}}*/
+// RealFileExists - Check if a file exists and if it is really a file /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool RealFileExists(string File)
+{
+ struct stat Buf;
+ if (stat(File.c_str(),&Buf) != 0)
+ return false;
+ return ((Buf.st_mode & S_IFREG) != 0);
+}
+ /*}}}*/
// DirectoryExists - Check if a directory exists and is really one /*{{{*/
// ---------------------------------------------------------------------
/* */
return true;
}
/*}}}*/
-// CheckDirectory - ensure that the given directory exists /*{{{*/
+// CreateAPTDirectoryIfNeeded - ensure that the given directory exists /*{{{*/
// ---------------------------------------------------------------------
/* a small wrapper around CreateDirectory to check if it exists and to
remove the trailing "/apt/" from the parent directory if needed */
-bool CheckDirectory(string const &Parent, string const &Path)
+bool CreateAPTDirectoryIfNeeded(string const &Parent, string const &Path)
{
if (DirectoryExists(Path) == true)
return true;
}
std::vector<string> List;
+
+ if (DirectoryExists(Dir.c_str()) == false)
+ {
+ _error->Error(_("List of files can't be created as '%s' is not a directory"), Dir.c_str());
+ return List;
+ }
+
Configuration::MatchAgainstConfig SilentIgnore("Dir::Ignore-Files-Silently");
DIR *D = opendir(Dir.c_str());
if (D == 0)
if (Ent->d_name[0] == '.')
continue;
+ // Make sure it is a file and not something else
+ string const File = flCombine(Dir,Ent->d_name);
+#ifdef _DIRENT_HAVE_D_TYPE
+ if (Ent->d_type != DT_REG)
+#endif
+ {
+ if (RealFileExists(File.c_str()) == false)
+ {
+ if (SilentIgnore.Match(Ent->d_name) == false)
+ _error->Notice(_("Ignoring '%s' in directory '%s' as it is not a regular file"), Ent->d_name, Dir.c_str());
+ continue;
+ }
+ }
+
// check for accepted extension:
// no extension given -> periods are bad as hell!
// extensions given -> "" extension allows no extension
if (Debug == true)
std::clog << "Bad file: " << Ent->d_name << " → no extension" << std::endl;
if (SilentIgnore.Match(Ent->d_name) == false)
- _error->Notice("Ignoring file '%s' in directory '%s' as it has no filename extension", Ent->d_name, Dir.c_str());
+ _error->Notice(_("Ignoring file '%s' in directory '%s' as it has no filename extension"), Ent->d_name, Dir.c_str());
continue;
}
}
if (Debug == true)
std::clog << "Bad file: " << Ent->d_name << " → bad extension »" << flExtension(Ent->d_name) << "«" << std::endl;
if (SilentIgnore.Match(Ent->d_name) == false)
- _error->Notice("Ignoring file '%s' in directory '%s' as it has an invalid filename extension", Ent->d_name, Dir.c_str());
+ _error->Notice(_("Ignoring file '%s' in directory '%s' as it has an invalid filename extension"), Ent->d_name, Dir.c_str());
continue;
}
}
continue;
}
- // Make sure it is a file and not something else
- string const File = flCombine(Dir,Ent->d_name);
- struct stat St;
- if (stat(File.c_str(),&St) != 0 || S_ISREG(St.st_mode) == 0)
- {
- if (Debug == true)
- std::clog << "Bad file: " << Ent->d_name << " → stat says not a good file" << std::endl;
- continue;
- }
-
if (Debug == true)
std::clog << "Accept file: " << Ent->d_name << " in " << Dir << std::endl;
List.push_back(File);
// ---------------------------------------------------------------------
/* We are carefull to handle interruption by a signal while reading
gracefully. */
-bool FileFd::Read(void *To,unsigned long Size,unsigned long *Actual)
+bool FileFd::Read(void *To,unsigned long long Size,unsigned long long *Actual)
{
int Res;
errno = 0;
}
Flags |= Fail;
- return _error->Error(_("read, still have %lu to read but none left"),Size);
+ return _error->Error(_("read, still have %llu to read but none left"), Size);
}
/*}}}*/
// FileFd::Write - Write to the file /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool FileFd::Write(const void *From,unsigned long Size)
+bool FileFd::Write(const void *From,unsigned long long Size)
{
int Res;
errno = 0;
return true;
Flags |= Fail;
- return _error->Error(_("write, still have %lu to write but couldn't"),Size);
+ return _error->Error(_("write, still have %llu to write but couldn't"), Size);
}
/*}}}*/
// FileFd::Seek - Seek in the file /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool FileFd::Seek(unsigned long To)
+bool FileFd::Seek(unsigned long long To)
{
int res;
if (gz)
if (res != (signed)To)
{
Flags |= Fail;
- return _error->Error("Unable to seek to %lu",To);
+ return _error->Error("Unable to seek to %llu", To);
}
return true;
// FileFd::Skip - Seek in the file /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool FileFd::Skip(unsigned long Over)
+bool FileFd::Skip(unsigned long long Over)
{
int res;
if (gz)
if (res < 0)
{
Flags |= Fail;
- return _error->Error("Unable to seek ahead %lu",Over);
+ return _error->Error("Unable to seek ahead %llu",Over);
}
return true;
// FileFd::Truncate - Truncate the file /*{{{*/
// ---------------------------------------------------------------------
/* */
-bool FileFd::Truncate(unsigned long To)
+bool FileFd::Truncate(unsigned long long To)
{
if (gz)
{
if (ftruncate(iFd,To) != 0)
{
Flags |= Fail;
- return _error->Error("Unable to truncate to %lu",To);
+ return _error->Error("Unable to truncate to %llu",To);
}
return true;
// FileFd::Tell - Current seek position /*{{{*/
// ---------------------------------------------------------------------
/* */
-unsigned long FileFd::Tell()
+unsigned long long FileFd::Tell()
{
off_t Res;
if (gz)
return Res;
}
/*}}}*/
-// FileFd::Size - Return the size of the file /*{{{*/
+// FileFd::FileSize - Return the size of the file /*{{{*/
// ---------------------------------------------------------------------
/* */
-unsigned long FileFd::Size()
+unsigned long long FileFd::FileSize()
{
- //TODO: For gz, do we need the actual file size here or the uncompressed length?
struct stat Buf;
+
if (fstat(iFd,&Buf) != 0)
return _error->Errno("fstat","Unable to determine the file size");
return Buf.st_size;
}
/*}}}*/
+// FileFd::Size - Return the size of the content in the file /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+unsigned long long FileFd::Size()
+{
+ unsigned long long size = FileSize();
+
+ // only check gzsize if we are actually a gzip file, just checking for
+ // "gz" is not sufficient as uncompressed files will be opened with
+ // gzopen in "direct" mode as well
+ if (gz && !gzdirect(gz) && size > 0)
+ {
+ /* unfortunately zlib.h doesn't provide a gzsize(), so we have to do
+ * this ourselves; the original (uncompressed) file size is the last 32
+ * bits of the file */
+ // FIXME: Size for gz-files is limited by 32bit… no largefile support
+ off_t orig_pos = lseek(iFd, 0, SEEK_CUR);
+ if (lseek(iFd, -4, SEEK_END) < 0)
+ return _error->Errno("lseek","Unable to seek to end of gzipped file");
+ size = 0L;
+ if (read(iFd, &size, 4) != 4)
+ return _error->Errno("read","Unable to read original size of gzipped file");
+
+#ifdef WORDS_BIGENDIAN
+ uint32_t tmp_size = size;
+ uint8_t const * const p = (uint8_t const * const) &tmp_size;
+ tmp_size = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0];
+ size = tmp_size;
+#endif
+
+ if (lseek(iFd, orig_pos, SEEK_SET) < 0)
+ return _error->Errno("lseek","Unable to seek in gzipped file");
+ return size;
+ }
+
+ return size;
+}
+ /*}}}*/
// FileFd::Close - Close the file if the close flag is set /*{{{*/
// ---------------------------------------------------------------------
/* */
projects / apt.git / blobdiff