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hashcat/deps/unrar/uowners.cpp
2020-09-08 10:34:21 +02:00

142 lines
3.6 KiB
C++

void ExtractUnixOwner20(Archive &Arc,const wchar *FileName)
{
char NameA[NM];
WideToChar(FileName,NameA,ASIZE(NameA));
if (Arc.BrokenHeader)
{
uiMsg(UIERROR_UOWNERBROKEN,Arc.FileName,FileName);
ErrHandler.SetErrorCode(RARX_CRC);
return;
}
struct passwd *pw;
errno=0; // Required by getpwnam specification if we need to check errno.
if ((pw=getpwnam(Arc.UOHead.OwnerName))==NULL)
{
uiMsg(UIERROR_UOWNERGETOWNERID,Arc.FileName,GetWide(Arc.UOHead.OwnerName));
ErrHandler.SysErrMsg();
ErrHandler.SetErrorCode(RARX_WARNING);
return;
}
uid_t OwnerID=pw->pw_uid;
struct group *gr;
errno=0; // Required by getgrnam specification if we need to check errno.
if ((gr=getgrnam(Arc.UOHead.GroupName))==NULL)
{
uiMsg(UIERROR_UOWNERGETGROUPID,Arc.FileName,GetWide(Arc.UOHead.GroupName));
ErrHandler.SysErrMsg();
ErrHandler.SetErrorCode(RARX_CRC);
return;
}
uint Attr=GetFileAttr(FileName);
gid_t GroupID=gr->gr_gid;
#if defined(SAVE_LINKS) && !defined(_APPLE)
if (lchown(NameA,OwnerID,GroupID)!=0)
#else
if (chown(NameA,OwnerID,GroupID)!=0)
#endif
{
uiMsg(UIERROR_UOWNERSET,Arc.FileName,FileName);
ErrHandler.SetErrorCode(RARX_CREATE);
}
SetFileAttr(FileName,Attr);
}
void ExtractUnixOwner30(Archive &Arc,const wchar *FileName)
{
char NameA[NM];
WideToChar(FileName,NameA,ASIZE(NameA));
char *OwnerName=(char *)&Arc.SubHead.SubData[0];
int OwnerSize=strlen(OwnerName)+1;
int GroupSize=Arc.SubHead.SubData.Size()-OwnerSize;
char GroupName[NM];
strncpy(GroupName,(char *)&Arc.SubHead.SubData[OwnerSize],GroupSize);
GroupName[GroupSize]=0;
struct passwd *pw;
if ((pw=getpwnam(OwnerName))==NULL)
{
uiMsg(UIERROR_UOWNERGETOWNERID,Arc.FileName,GetWide(OwnerName));
ErrHandler.SetErrorCode(RARX_WARNING);
return;
}
uid_t OwnerID=pw->pw_uid;
struct group *gr;
if ((gr=getgrnam(GroupName))==NULL)
{
uiMsg(UIERROR_UOWNERGETGROUPID,Arc.FileName,GetWide(GroupName));
ErrHandler.SetErrorCode(RARX_WARNING);
return;
}
uint Attr=GetFileAttr(FileName);
gid_t GroupID=gr->gr_gid;
#if defined(SAVE_LINKS) && !defined(_APPLE)
if (lchown(NameA,OwnerID,GroupID)!=0)
#else
if (chown(NameA,OwnerID,GroupID)!=0)
#endif
{
uiMsg(UIERROR_UOWNERSET,Arc.FileName,FileName);
ErrHandler.SetErrorCode(RARX_CREATE);
}
SetFileAttr(FileName,Attr);
}
void SetUnixOwner(Archive &Arc,const wchar *FileName)
{
char NameA[NM];
WideToChar(FileName,NameA,ASIZE(NameA));
// First, we try to resolve symbolic names. If they are missing or cannot
// be resolved, we try to use numeric values if any. If numeric values
// are missing too, function fails.
FileHeader &hd=Arc.FileHead;
if (*hd.UnixOwnerName!=0)
{
struct passwd *pw;
if ((pw=getpwnam(hd.UnixOwnerName))==NULL)
{
if (!hd.UnixOwnerNumeric)
{
uiMsg(UIERROR_UOWNERGETOWNERID,Arc.FileName,GetWide(hd.UnixOwnerName));
ErrHandler.SetErrorCode(RARX_WARNING);
return;
}
}
else
hd.UnixOwnerID=pw->pw_uid;
}
if (*hd.UnixGroupName!=0)
{
struct group *gr;
if ((gr=getgrnam(hd.UnixGroupName))==NULL)
{
if (!hd.UnixGroupNumeric)
{
uiMsg(UIERROR_UOWNERGETGROUPID,Arc.FileName,GetWide(hd.UnixGroupName));
ErrHandler.SetErrorCode(RARX_WARNING);
return;
}
}
else
hd.UnixGroupID=gr->gr_gid;
}
#if defined(SAVE_LINKS) && !defined(_APPLE)
if (lchown(NameA,hd.UnixOwnerID,hd.UnixGroupID)!=0)
#else
if (chown(NameA,hd.UnixOwnerID,hd.UnixGroupID)!=0)
#endif
{
uiMsg(UIERROR_UOWNERSET,Arc.FileName,FileName);
ErrHandler.SetErrorCode(RARX_CREATE);
}
}