diff options
| author | Julian Andres Klode <julian.klode@canonical.com> | 2019-05-06 13:42:03 +0200 |
|---|---|---|
| committer | Julian Andres Klode <julian.klode@canonical.com> | 2019-05-06 13:42:03 +0200 |
| commit | db36c35a351a76825ae00628b74c160bc418683c (patch) | |
| tree | b0f31e19e45775f9a0880c0d4801e87077696036 /apt-inst/contrib/arfile.cc | |
| parent | 7f0508ecc442705ac9fcbc3c2b5ac74ead18fff8 (diff) | |
| parent | 6089a4b17c61ef30b2efc00e270b0907f51f352a (diff) | |
Merge branch 'pu/merge-libraries'
Diffstat (limited to 'apt-inst/contrib/arfile.cc')
| -rw-r--r-- | apt-inst/contrib/arfile.cc | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/apt-inst/contrib/arfile.cc b/apt-inst/contrib/arfile.cc deleted file mode 100644 index 3fc3afedb..000000000 --- a/apt-inst/contrib/arfile.cc +++ /dev/null @@ -1,160 +0,0 @@ -// -*- mode: cpp; mode: fold -*- -// Description /*{{{*/ -/* ###################################################################### - - AR File - Handle an 'AR' archive - - AR Archives have plain text headers at the start of each file - section. The headers are aligned on a 2 byte boundary. - - Information about the structure of AR files can be found in ar(5) - on a BSD system, or in the binutils source. - - ##################################################################### */ - /*}}}*/ -// Include Files /*{{{*/ -#include <config.h> - -#include <apt-pkg/arfile.h> -#include <apt-pkg/error.h> -#include <apt-pkg/fileutl.h> -#include <apt-pkg/strutl.h> - -#include <string> -#include <string.h> -#include <sys/types.h> - -#include <apti18n.h> - /*}}}*/ - -struct ARArchive::MemberHeader -{ - char Name[16]; - char MTime[12]; - char UID[6]; - char GID[6]; - char Mode[8]; - char Size[10]; - char Magic[2]; -}; - -// ARArchive::ARArchive - Constructor /*{{{*/ -// --------------------------------------------------------------------- -/* */ -ARArchive::ARArchive(FileFd &File) : List(0), File(File) -{ - LoadHeaders(); -} - /*}}}*/ -// ARArchive::~ARArchive - Destructor /*{{{*/ -// --------------------------------------------------------------------- -/* */ -ARArchive::~ARArchive() -{ - while (List != 0) - { - Member *Tmp = List; - List = List->Next; - delete Tmp; - } -} - /*}}}*/ -// ARArchive::LoadHeaders - Load the headers from each file /*{{{*/ -// --------------------------------------------------------------------- -/* AR files are structured with a 8 byte magic string followed by a 60 - byte plain text header then the file data, another header, data, etc */ -bool ARArchive::LoadHeaders() -{ - off_t Left = File.Size(); - - // Check the magic byte - char Magic[8]; - if (File.Read(Magic,sizeof(Magic)) == false) - return false; - if (memcmp(Magic,"!<arch>\012",sizeof(Magic)) != 0) - return _error->Error(_("Invalid archive signature")); - Left -= sizeof(Magic); - - // Read the member list - while (Left > 0) - { - MemberHeader Head; - if (File.Read(&Head,sizeof(Head)) == false) - return _error->Error(_("Error reading archive member header")); - Left -= sizeof(Head); - - // Convert all of the integer members - Member *Memb = new Member(); - if (StrToNum(Head.MTime,Memb->MTime,sizeof(Head.MTime)) == false || - StrToNum(Head.UID,Memb->UID,sizeof(Head.UID)) == false || - StrToNum(Head.GID,Memb->GID,sizeof(Head.GID)) == false || - StrToNum(Head.Mode,Memb->Mode,sizeof(Head.Mode),8) == false || - StrToNum(Head.Size,Memb->Size,sizeof(Head.Size)) == false) - { - delete Memb; - return _error->Error(_("Invalid archive member header %s"), Head.Name); - } - - // Check for an extra long name string - if (memcmp(Head.Name,"#1/",3) == 0) - { - char S[300]; - unsigned long Len; - if (StrToNum(Head.Name+3,Len,sizeof(Head.Size)-3) == false || - Len >= sizeof(S)) - { - delete Memb; - return _error->Error(_("Invalid archive member header")); - } - if (File.Read(S,Len) == false) - { - delete Memb; - return false; - } - S[Len] = 0; - Memb->Name = S; - Memb->Size -= Len; - Left -= Len; - } - else - { - unsigned int I = sizeof(Head.Name) - 1; - for (; Head.Name[I] == ' ' || Head.Name[I] == '/'; I--); - Memb->Name = std::string(Head.Name,I+1); - } - - // Account for the AR header alignment - off_t Skip = Memb->Size % 2; - - // Add it to the list - Memb->Next = List; - List = Memb; - Memb->Start = File.Tell(); - if (File.Skip(Memb->Size + Skip) == false) - return false; - if (Left < (off_t)(Memb->Size + Skip)) - return _error->Error(_("Archive is too short")); - Left -= Memb->Size + Skip; - } - if (Left != 0) - return _error->Error(_("Failed to read the archive headers")); - - return true; -} - /*}}}*/ -// ARArchive::FindMember - Find a name in the member list /*{{{*/ -// --------------------------------------------------------------------- -/* Find a member with the given name */ -const ARArchive::Member *ARArchive::FindMember(const char *Name) const -{ - const Member *Res = List; - while (Res != 0) - { - if (Res->Name == Name) - return Res; - Res = Res->Next; - } - - return 0; -} - /*}}}*/ |