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-rw-r--r--apt-pkg/contrib/configuration.cc4
-rw-r--r--apt-pkg/contrib/configuration.h6
-rw-r--r--apt-pkg/contrib/fileutl.cc162
-rw-r--r--apt-pkg/contrib/fileutl.h37
-rw-r--r--apt-pkg/contrib/hashes.cc2
-rw-r--r--apt-pkg/contrib/hashes.h2
-rw-r--r--apt-pkg/contrib/macros.h2
-rw-r--r--apt-pkg/contrib/netrc.cc12
-rw-r--r--apt-pkg/contrib/netrc.h4
9 files changed, 178 insertions, 53 deletions
diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc
index 00f6ad0f9..fbe180f8e 100644
--- a/apt-pkg/contrib/configuration.cc
+++ b/apt-pkg/contrib/configuration.cc
@@ -254,7 +254,9 @@ string Configuration::FindDir(const char *Name,const char *Default) const
// ---------------------------------------------------------------------
/* Returns a vector of config values under the given item */
#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
-vector<string> Configuration::FindVector(const char *Name) const { return FindVector(Name, ""); }
+vector<string> Configuration::FindVector(const char *Name) const {
+ return FindVector(Name, "");
+}
#endif
vector<string> Configuration::FindVector(const char *Name, std::string const &Default) const
{
diff --git a/apt-pkg/contrib/configuration.h b/apt-pkg/contrib/configuration.h
index c256139f4..6345c8a5d 100644
--- a/apt-pkg/contrib/configuration.h
+++ b/apt-pkg/contrib/configuration.h
@@ -84,12 +84,10 @@ class Configuration
* \param Default list of values separated by commas */
std::vector<std::string> FindVector(const char *Name, std::string const &Default) const;
std::vector<std::string> FindVector(std::string const &Name, std::string const &Default) const { return FindVector(Name.c_str(), Default); };
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
- std::vector<std::string> FindVector(const char *Name) const { return FindVector(Name, ""); };
-#else
+#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR < 13)
std::vector<std::string> FindVector(const char *Name) const;
#endif
- std::vector<std::string> FindVector(std::string const &Name) const { return FindVector(Name.c_str(), ""); };
+ std::vector<std::string> FindVector(std::string const &Name="") const { return FindVector(Name.c_str(), ""); };
int FindI(const char *Name,int const &Default = 0) const;
int FindI(std::string const &Name,int const &Default = 0) const {return FindI(Name.c_str(),Default);};
bool FindB(const char *Name,bool const &Default = false) const;
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 188bb87ee..02b30dc1f 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -58,13 +58,10 @@
#include <bzlib.h>
#endif
#ifdef HAVE_LZMA
- #include <stdint.h>
#include <lzma.h>
#endif
-
-#ifdef WORDS_BIGENDIAN
-#include <inttypes.h>
-#endif
+#include <endian.h>
+#include <stdint.h>
#include <apti18n.h>
/*}}}*/
@@ -659,6 +656,22 @@ string flCombine(string Dir,string File)
return Dir + '/' + File;
}
/*}}}*/
+// flAbsPath - Return the absolute path of the filename /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+string flAbsPath(string File)
+{
+ char *p = realpath(File.c_str(), NULL);
+ if (p == NULL)
+ {
+ _error->Errno("realpath", "flAbsPath failed");
+ return "";
+ }
+ std::string AbsPath(p);
+ free(p);
+ return AbsPath;
+}
+ /*}}}*/
// SetCloseExec - Set the close on exec flag /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -839,6 +852,27 @@ bool ExecWait(pid_t Pid,const char *Name,bool Reap)
}
/*}}}*/
+
+// StartsWithGPGClearTextSignature - Check if a file is Pgp/GPG clearsigned /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool StartsWithGPGClearTextSignature(string const &FileName)
+{
+ static const char* SIGMSG = "-----BEGIN PGP SIGNED MESSAGE-----\n";
+ char buffer[strlen(SIGMSG)+1];
+ FILE* gpg = fopen(FileName.c_str(), "r");
+ if (gpg == NULL)
+ return false;
+
+ char const * const test = fgets(buffer, sizeof(buffer), gpg);
+ fclose(gpg);
+ if (test == NULL || strcmp(buffer, SIGMSG) != 0)
+ return false;
+
+ return true;
+}
+
+
class FileFdPrivate { /*{{{*/
public:
#ifdef HAVE_ZLIB
@@ -958,10 +992,10 @@ class FileFdPrivate { /*{{{*/
// FileFd::Open - Open a file /*{{{*/
// ---------------------------------------------------------------------
/* The most commonly used open mode combinations are given with Mode */
-bool FileFd::Open(string FileName,unsigned int const Mode,CompressMode Compress, unsigned long const Perms)
+bool FileFd::Open(string FileName,unsigned int const Mode,CompressMode Compress, unsigned long const AccessMode)
{
if (Mode == ReadOnlyGzip)
- return Open(FileName, ReadOnly, Gzip, Perms);
+ return Open(FileName, ReadOnly, Gzip, AccessMode);
if (Compress == Auto && (Mode & WriteOnly) == WriteOnly)
return FileFdError("Autodetection on %s only works in ReadOnly openmode!", FileName.c_str());
@@ -1028,9 +1062,9 @@ bool FileFd::Open(string FileName,unsigned int const Mode,CompressMode Compress,
if (compressor == compressors.end())
return FileFdError("Can't find a match for specified compressor mode for file %s", FileName.c_str());
- return Open(FileName, Mode, *compressor, Perms);
+ return Open(FileName, Mode, *compressor, AccessMode);
}
-bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor, unsigned long const Perms)
+bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor, unsigned long const AccessMode)
{
Close();
Flags = AutoClose;
@@ -1080,11 +1114,18 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
TemporaryFileName = string(name);
free(name);
- if(Perms != 600 && fchmod(iFd, Perms) == -1)
+ // umask() will always set the umask and return the previous value, so
+ // we first set the umask and then reset it to the old value
+ mode_t const CurrentUmask = umask(0);
+ umask(CurrentUmask);
+ // calculate the actual file permissions (just like open/creat)
+ mode_t const FilePermissions = (AccessMode & ~CurrentUmask);
+
+ if(fchmod(iFd, FilePermissions) == -1)
return FileFdErrno("fchmod", "Could not change permissions for temporary file %s", TemporaryFileName.c_str());
}
else
- iFd = open(FileName.c_str(), fileflags, Perms);
+ iFd = open(FileName.c_str(), fileflags, AccessMode);
this->FileName = FileName;
if (iFd == -1 || OpenInternDescriptor(Mode, compressor) == false)
@@ -1353,7 +1394,10 @@ bool FileFd::OpenInternDescriptor(unsigned int const Mode, APT::Configuration::C
Args.push_back(a->c_str());
if (Comp == false && FileName.empty() == false)
{
- Args.push_back("--stdout");
+ // commands not needing arguments, do not need to be told about using standard output
+ // in reality, only testcases with tools like cat, rev, rot13, … are able to trigger this
+ if (compressor.CompressArgs.empty() == false && compressor.UncompressArgs.empty() == false)
+ Args.push_back("--stdout");
if (TemporaryFileName.empty() == false)
Args.push_back(TemporaryFileName.c_str());
else
@@ -1646,6 +1690,8 @@ bool FileFd::Write(int Fd, const void *From, unsigned long long Size)
/* */
bool FileFd::Seek(unsigned long long To)
{
+ Flags &= ~HitEof;
+
if (d != NULL && (d->pipe == true || d->InternalStream() == true))
{
// Our poor man seeking in pipes is costly, so try to avoid it
@@ -1705,7 +1751,6 @@ bool FileFd::Skip(unsigned long long Over)
{
if (d != NULL && (d->pipe == true || d->InternalStream() == true))
{
- d->seekpos += Over;
char buffer[1024];
while (Over != 0)
{
@@ -1869,19 +1914,13 @@ unsigned long long FileFd::Size()
FileFdErrno("lseek","Unable to seek to end of gzipped file");
return 0;
}
- size = 0;
+ uint32_t size = 0;
if (read(iFd, &size, 4) != 4)
{
FileFdErrno("read","Unable to read original size of gzipped file");
return 0;
}
-
-#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
+ size = le32toh(size);
if (lseek(iFd, oldPos, SEEK_SET) < 0)
{
@@ -1909,7 +1948,6 @@ bool FileFd::Close()
{
if ((Flags & Compressed) != Compressed && iFd > 0 && close(iFd) != 0)
Res &= _error->Errno("close",_("Problem closing the file %s"), FileName.c_str());
-
if (d != NULL)
{
Res &= d->CloseDown(FileName);
@@ -2036,6 +2074,31 @@ std::string GetTempDir()
return string(tmpdir);
}
+FileFd* GetTempFile(std::string const &Prefix, bool ImmediateUnlink)
+{
+ char fn[512];
+ FileFd *Fd = new FileFd();
+
+ std::string tempdir = GetTempDir();
+ snprintf(fn, sizeof(fn), "%s/%s.XXXXXX",
+ tempdir.c_str(), Prefix.c_str());
+ int fd = mkstemp(fn);
+ if(ImmediateUnlink)
+ unlink(fn);
+ if (fd < 0)
+ {
+ _error->Errno("GetTempFile",_("Unable to mkstemp %s"), fn);
+ return NULL;
+ }
+ if (!Fd->OpenDescriptor(fd, FileFd::WriteOnly, FileFd::None, true))
+ {
+ _error->Errno("GetTempFile",_("Unable to write to %s"),fn);
+ return NULL;
+ }
+
+ return Fd;
+}
+
bool Rename(std::string From, std::string To)
{
if (rename(From.c_str(),To.c_str()) != 0)
@@ -2046,3 +2109,58 @@ bool Rename(std::string From, std::string To)
}
return true;
}
+
+bool Popen(const char* Args[], FileFd &Fd, pid_t &Child, FileFd::OpenMode Mode)
+{
+ int fd;
+ if (Mode != FileFd::ReadOnly && Mode != FileFd::WriteOnly)
+ return _error->Error("Popen supports ReadOnly (x)or WriteOnly mode only");
+
+ int Pipe[2] = {-1, -1};
+ if(pipe(Pipe) != 0)
+ {
+ return _error->Errno("pipe", _("Failed to create subprocess IPC"));
+ return NULL;
+ }
+ std::set<int> keep_fds;
+ keep_fds.insert(Pipe[0]);
+ keep_fds.insert(Pipe[1]);
+ Child = ExecFork(keep_fds);
+ if(Child < 0)
+ return _error->Errno("fork", "Failed to fork");
+ if(Child == 0)
+ {
+ if(Mode == FileFd::ReadOnly)
+ {
+ close(Pipe[0]);
+ fd = Pipe[1];
+ }
+ else if(Mode == FileFd::WriteOnly)
+ {
+ close(Pipe[1]);
+ fd = Pipe[0];
+ }
+
+ if(Mode == FileFd::ReadOnly)
+ {
+ dup2(fd, 1);
+ dup2(fd, 2);
+ } else if(Mode == FileFd::WriteOnly)
+ dup2(fd, 0);
+
+ execv(Args[0], (char**)Args);
+ _exit(100);
+ }
+ if(Mode == FileFd::ReadOnly)
+ {
+ close(Pipe[1]);
+ fd = Pipe[0];
+ } else if(Mode == FileFd::WriteOnly)
+ {
+ close(Pipe[0]);
+ fd = Pipe[1];
+ }
+ Fd.OpenDescriptor(fd, Mode, FileFd::None, true);
+
+ return true;
+}
diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h
index f25ed3622..0b4d94885 100644
--- a/apt-pkg/contrib/fileutl.h
+++ b/apt-pkg/contrib/fileutl.h
@@ -103,10 +103,10 @@ class FileFd
return T;
}
- bool Open(std::string FileName,unsigned int const Mode,CompressMode Compress,unsigned long const Perms = 0666);
- bool Open(std::string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor,unsigned long const Perms = 0666);
- inline bool Open(std::string const &FileName,unsigned int const Mode, unsigned long const Perms = 0666) {
- return Open(FileName, Mode, None, Perms);
+ bool Open(std::string FileName,unsigned int const Mode,CompressMode Compress,unsigned long const AccessMode = 0666);
+ bool Open(std::string FileName,unsigned int const Mode,APT::Configuration::Compressor const &compressor,unsigned long const AccessMode = 0666);
+ inline bool Open(std::string const &FileName,unsigned int const Mode, unsigned long const AccessMode = 0666) {
+ return Open(FileName, Mode, None, AccessMode);
};
bool OpenDescriptor(int Fd, unsigned int const Mode, CompressMode Compress, bool AutoClose=false);
bool OpenDescriptor(int Fd, unsigned int const Mode, APT::Configuration::Compressor const &compressor, bool AutoClose=false);
@@ -129,13 +129,13 @@ class FileFd
inline bool IsCompressed() {return (Flags & Compressed) == Compressed;};
inline std::string &Name() {return FileName;};
- FileFd(std::string FileName,unsigned int const Mode,unsigned long Perms = 0666) : iFd(-1), Flags(0), d(NULL)
+ FileFd(std::string FileName,unsigned int const Mode,unsigned long AccessMode = 0666) : iFd(-1), Flags(0), d(NULL)
{
- Open(FileName,Mode, None, Perms);
+ Open(FileName,Mode, None, AccessMode);
};
- FileFd(std::string FileName,unsigned int const Mode, CompressMode Compress, unsigned long Perms = 0666) : iFd(-1), Flags(0), d(NULL)
+ FileFd(std::string FileName,unsigned int const Mode, CompressMode Compress, unsigned long AccessMode = 0666) : iFd(-1), Flags(0), d(NULL)
{
- Open(FileName,Mode, Compress, Perms);
+ Open(FileName,Mode, Compress, AccessMode);
};
FileFd() : iFd(-1), Flags(AutoClose), d(NULL) {};
FileFd(int const Fd, unsigned int const Mode = ReadWrite, CompressMode Compress = None) : iFd(-1), Flags(0), d(NULL)
@@ -168,6 +168,8 @@ time_t GetModificationTime(std::string const &Path);
bool Rename(std::string From, std::string To);
std::string GetTempDir();
+FileFd* GetTempFile(std::string const &Prefix = "",
+ bool ImmediateUnlink = true);
/** \brief Ensure the existence of the given Path
*
@@ -191,6 +193,9 @@ pid_t ExecFork(std::set<int> keep_fds);
void MergeKeepFdsFromConfiguration(std::set<int> &keep_fds);
bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
+// check if the given file starts with a PGP cleartext signature
+bool StartsWithGPGClearTextSignature(std::string const &FileName);
+
// File string manipulators
std::string flNotDir(std::string File);
std::string flNotFile(std::string File);
@@ -198,7 +203,23 @@ std::string flNoLink(std::string File);
std::string flExtension(std::string File);
std::string flCombine(std::string Dir,std::string File);
+/** \brief Takes a file path and returns the absolute path
+ */
+std::string flAbsPath(std::string File);
+
// simple c++ glob
std::vector<std::string> Glob(std::string const &pattern, int flags=0);
+/** \brief Popen() implementation that execv() instead of using a shell
+ *
+ * \param Args the execv style command to run
+ * \param FileFd is a referenz to the FileFd to use for input or output
+ * \param Child a reference to the integer that stores the child pid
+ * Note that you must call ExecWait() or similar to cleanup
+ * \param Mode is either FileFd::ReadOnly or FileFd::WriteOnly
+ * \return true on success, false on failure with _error set
+ */
+bool Popen(const char* Args[], FileFd &Fd, pid_t &Child, FileFd::OpenMode Mode);
+
+
#endif
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
index 1fce0d75f..15f83615d 100644
--- a/apt-pkg/contrib/hashes.cc
+++ b/apt-pkg/contrib/hashes.cc
@@ -133,7 +133,7 @@ bool Hashes::AddFD(int const Fd,unsigned long long Size, bool const addMD5,
bool const addSHA1, bool const addSHA256, bool const addSHA512)
{
unsigned char Buf[64*64];
- bool const ToEOF = (Size == 0);
+ bool const ToEOF = (Size == UntilEOF);
while (Size != 0 || ToEOF)
{
unsigned long long n = sizeof(Buf);
diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index 5cd1af03b..7a62f8a8f 100644
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -78,6 +78,8 @@ class Hashes
SHA256Summation SHA256;
SHA512Summation SHA512;
+ static const int UntilEOF = 0;
+
inline bool Add(const unsigned char *Data,unsigned long long Size)
{
return MD5.Add(Data,Size) && SHA1.Add(Data,Size) && SHA256.Add(Data,Size) && SHA512.Add(Data,Size);
diff --git a/apt-pkg/contrib/macros.h b/apt-pkg/contrib/macros.h
index 2d6448e5e..b268ce24c 100644
--- a/apt-pkg/contrib/macros.h
+++ b/apt-pkg/contrib/macros.h
@@ -138,7 +138,7 @@
// Non-ABI-Breaks should only increase RELEASE number.
// See also buildlib/libversion.mak
#define APT_PKG_MAJOR 4
-#define APT_PKG_MINOR 12
+#define APT_PKG_MINOR 13
#define APT_PKG_RELEASE 0
#endif
diff --git a/apt-pkg/contrib/netrc.cc b/apt-pkg/contrib/netrc.cc
index feaed67c8..1e3778f45 100644
--- a/apt-pkg/contrib/netrc.cc
+++ b/apt-pkg/contrib/netrc.cc
@@ -152,18 +152,6 @@ static int parsenetrc_string (char *host, std::string &login, std::string &passw
return retcode;
}
-// for some unknown reason this method is exported so keep a compatible interface for now …
-int parsenetrc (char *host, char *login, char *password, char *netrcfile = NULL)
-{
- std::string login_string, password_string;
- int const ret = parsenetrc_string(host, login_string, password_string, netrcfile);
- if (ret < 0)
- return ret;
- strncpy(login, login_string.c_str(), LOGINSIZE - 1);
- strncpy(password, password_string.c_str(), PASSWORDSIZE - 1);
- return ret;
-}
-
void maybe_add_auth (URI &Uri, string NetRCFile)
{
diff --git a/apt-pkg/contrib/netrc.h b/apt-pkg/contrib/netrc.h
index dbeb45386..b5b56f5d4 100644
--- a/apt-pkg/contrib/netrc.h
+++ b/apt-pkg/contrib/netrc.h
@@ -27,9 +27,5 @@
class URI;
-// FIXME: kill this export on the next ABI break - strongly doubt its in use anyway
-// outside of the apt itself, its really a internal interface
-APT_DEPRECATED int parsenetrc (char *host, char *login, char *password, char *filename);
-
void maybe_add_auth (URI &Uri, std::string NetRCFile);
#endif
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