X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/479a2beb0f5605652689d74a78dd224b69ba2e8f..e5fefea6ec93746376bf42733ee84a9fafeab764:/apt-pkg/contrib/fileutl.h diff --git a/apt-pkg/contrib/fileutl.h b/apt-pkg/contrib/fileutl.h index a9cb45e9a..e04f75e2a 100644 --- a/apt-pkg/contrib/fileutl.h +++ b/apt-pkg/contrib/fileutl.h @@ -26,6 +26,8 @@ #include #include +#include +#include #include @@ -78,6 +80,7 @@ class FileFd bool Read(void *To,unsigned long long Size,unsigned long long *Actual = 0); char* ReadLine(char *To, unsigned long long const Size); bool Write(const void *From,unsigned long long Size); + bool static Write(int Fd, const void *From, unsigned long long Size); bool Seek(unsigned long long To); bool Skip(unsigned long long To); bool Truncate(unsigned long long To); @@ -92,7 +95,7 @@ class FileFd And as the auto-conversation converts a 'unsigned long *' to a 'bool' instead of 'unsigned long long *' we need to provide this explicitely - otherwise applications magically start to fail… */ - __deprecated bool Read(void *To,unsigned long long Size,unsigned long *Actual) + bool Read(void *To,unsigned long long Size,unsigned long *Actual) APT_DEPRECATED { unsigned long long R; bool const T = Read(To, Size, &R); @@ -100,10 +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); @@ -116,7 +119,7 @@ class FileFd // Simple manipulators inline int Fd() {return iFd;}; inline void Fd(int fd) { OpenDescriptor(fd, ReadWrite);}; - __deprecated gzFile gzFd(); + gzFile gzFd() APT_DEPRECATED APT_PURE; inline bool IsOpen() {return iFd >= 0;}; inline bool Failed() {return (Flags & Fail) == Fail;}; @@ -126,13 +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) @@ -147,7 +150,11 @@ class FileFd private: FileFdPrivate* d; - bool OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor); + APT_HIDDEN bool OpenInternDescriptor(unsigned int const Mode, APT::Configuration::Compressor const &compressor); + + // private helpers to set Fail flag and call _error->Error + APT_HIDDEN bool FileFdErrno(const char* Function, const char* Description,...) APT_PRINTF(3) APT_COLD; + APT_HIDDEN bool FileFdError(const char* Description,...) APT_PRINTF(2) APT_COLD; }; bool RunScripts(const char *Cnf); @@ -155,9 +162,14 @@ bool CopyFile(FileFd &From,FileFd &To); int GetLock(std::string File,bool Errors = true); bool FileExists(std::string File); bool RealFileExists(std::string File); -bool DirectoryExists(std::string const &Path) __attrib_const; +bool DirectoryExists(std::string const &Path) APT_CONST; bool CreateDirectory(std::string const &Parent, std::string const &Path); 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 * @@ -177,10 +189,16 @@ void SetCloseExec(int Fd,bool Close); void SetNonBlock(int Fd,bool Block); bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0); pid_t ExecFork(); +pid_t ExecFork(std::set keep_fds); +void MergeKeepFdsFromConfiguration(std::set &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 IsPgpClearTextSignature(std::string const &FileName); +bool StartsWithGPGClearTextSignature(std::string const &FileName); + +// process releated +bool DropPrivs(); // File string manipulators std::string flNotDir(std::string File); @@ -189,6 +207,23 @@ 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 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