"Fossies" - the Fresh Open Source Software Archive

Member "unrar/uowners.cpp" (4 May 2022, 3695 Bytes) of package /linux/misc/unrarsrc-6.1.7.tar.gz:

    1 
    2 
    3 void ExtractUnixOwner20(Archive &Arc,const wchar *FileName)
    4 {
    5   char NameA[NM];
    6   WideToChar(FileName,NameA,ASIZE(NameA));
    7 
    8   if (Arc.BrokenHeader)
    9   {
   10     uiMsg(UIERROR_UOWNERBROKEN,Arc.FileName,FileName);
   11     ErrHandler.SetErrorCode(RARX_CRC);
   12     return;
   13   }
   14 
   15   struct passwd *pw;
   16   errno=0; // Required by getpwnam specification if we need to check errno.
   17   if ((pw=getpwnam(Arc.UOHead.OwnerName))==NULL)
   18   {
   19     uiMsg(UIERROR_UOWNERGETOWNERID,Arc.FileName,GetWide(Arc.UOHead.OwnerName));
   20     ErrHandler.SysErrMsg();
   21     ErrHandler.SetErrorCode(RARX_WARNING);
   22     return;
   23   }
   24   uid_t OwnerID=pw->pw_uid;
   25 
   26   struct group *gr;
   27   errno=0; // Required by getgrnam specification if we need to check errno.
   28   if ((gr=getgrnam(Arc.UOHead.GroupName))==NULL)
   29   {
   30     uiMsg(UIERROR_UOWNERGETGROUPID,Arc.FileName,GetWide(Arc.UOHead.GroupName));
   31     ErrHandler.SysErrMsg();
   32     ErrHandler.SetErrorCode(RARX_CRC);
   33     return;
   34   }
   35   uint Attr=GetFileAttr(FileName);
   36   gid_t GroupID=gr->gr_gid;
   37 #if defined(SAVE_LINKS) && !defined(_APPLE)
   38   if (lchown(NameA,OwnerID,GroupID)!=0)
   39 #else
   40   if (chown(NameA,OwnerID,GroupID)!=0)
   41 #endif
   42   {
   43     uiMsg(UIERROR_UOWNERSET,Arc.FileName,FileName);
   44     ErrHandler.SetErrorCode(RARX_CREATE);
   45   }
   46   SetFileAttr(FileName,Attr);
   47 }
   48 
   49 
   50 void ExtractUnixOwner30(Archive &Arc,const wchar *FileName)
   51 {
   52   char NameA[NM];
   53   WideToChar(FileName,NameA,ASIZE(NameA));
   54 
   55   char *OwnerName=(char *)&Arc.SubHead.SubData[0];
   56   int OwnerSize=strlen(OwnerName)+1;
   57   int GroupSize=Arc.SubHead.SubData.Size()-OwnerSize;
   58   char GroupName[NM];
   59   strncpy(GroupName,(char *)&Arc.SubHead.SubData[OwnerSize],GroupSize);
   60   GroupName[GroupSize]=0;
   61 
   62   struct passwd *pw;
   63   if ((pw=getpwnam(OwnerName))==NULL)
   64   {
   65     uiMsg(UIERROR_UOWNERGETOWNERID,Arc.FileName,GetWide(OwnerName));
   66     ErrHandler.SetErrorCode(RARX_WARNING);
   67     return;
   68   }
   69   uid_t OwnerID=pw->pw_uid;
   70 
   71   struct group *gr;
   72   if ((gr=getgrnam(GroupName))==NULL)
   73   {
   74     uiMsg(UIERROR_UOWNERGETGROUPID,Arc.FileName,GetWide(GroupName));
   75     ErrHandler.SetErrorCode(RARX_WARNING);
   76     return;
   77   }
   78   uint Attr=GetFileAttr(FileName);
   79   gid_t GroupID=gr->gr_gid;
   80 #if defined(SAVE_LINKS) && !defined(_APPLE)
   81   if (lchown(NameA,OwnerID,GroupID)!=0)
   82 #else
   83   if (chown(NameA,OwnerID,GroupID)!=0)
   84 #endif
   85   {
   86     uiMsg(UIERROR_UOWNERSET,Arc.FileName,FileName);
   87     ErrHandler.SetErrorCode(RARX_CREATE);
   88   }
   89   SetFileAttr(FileName,Attr);
   90 }
   91 
   92 
   93 void SetUnixOwner(Archive &Arc,const wchar *FileName)
   94 {
   95   char NameA[NM];
   96   WideToChar(FileName,NameA,ASIZE(NameA));
   97 
   98   // First, we try to resolve symbolic names. If they are missing or cannot
   99   // be resolved, we try to use numeric values if any. If numeric values
  100   // are missing too, function fails.
  101   FileHeader &hd=Arc.FileHead;
  102   if (*hd.UnixOwnerName!=0)
  103   {
  104     struct passwd *pw;
  105     if ((pw=getpwnam(hd.UnixOwnerName))==NULL)
  106     {
  107       if (!hd.UnixOwnerNumeric)
  108       {
  109         uiMsg(UIERROR_UOWNERGETOWNERID,Arc.FileName,GetWide(hd.UnixOwnerName));
  110         ErrHandler.SetErrorCode(RARX_WARNING);
  111         return;
  112       }
  113     }
  114     else
  115       hd.UnixOwnerID=pw->pw_uid;
  116   }
  117   if (*hd.UnixGroupName!=0)
  118   {
  119     struct group *gr;
  120     if ((gr=getgrnam(hd.UnixGroupName))==NULL)
  121     {
  122       if (!hd.UnixGroupNumeric)
  123       {
  124         uiMsg(UIERROR_UOWNERGETGROUPID,Arc.FileName,GetWide(hd.UnixGroupName));
  125         ErrHandler.SetErrorCode(RARX_WARNING);
  126         return;
  127       }
  128     }
  129     else
  130       hd.UnixGroupID=gr->gr_gid;
  131   }
  132 #if defined(SAVE_LINKS) && !defined(_APPLE)
  133   if (lchown(NameA,hd.UnixOwnerID,hd.UnixGroupID)!=0)
  134 #else
  135   if (chown(NameA,hd.UnixOwnerID,hd.UnixGroupID)!=0)
  136 #endif
  137   {
  138     uiMsg(UIERROR_UOWNERSET,Arc.FileName,FileName);
  139     ErrHandler.SetErrorCode(RARX_CREATE);
  140   }
  141 }