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- Major, major changes! Moved most of the monolithic code out of

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the file descriptor hook and into the respective functions,
  such as dup2(), fchmod(), fchown(), fcntl(), fdatasync(), fstatfs(),
  fsync(), ftruncate() and lseek(). Code which is not strictly
  required will no longer find its way into your programs if you
  link with the updated library.

  NOTE: these changes require that the entire library is rebuilt!


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14833 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2005-02-18 18:53:17 +00:00
parent ea638f0970
commit 99547756fe
40 changed files with 2058 additions and 2101 deletions
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111
library/unistd_fchown.c
View File

@@ -1,5 +1,5 @@
/*
* $Id: unistd_fchown.c,v 1.4 2005-02-03 16:56:17 obarthel Exp $
* $Id: unistd_fchown.c,v 1.5 2005-02-18 18:53:17 obarthel Exp $
*
* :ts=4
*
@@ -44,10 +44,13 @@
int
fchown(int file_descriptor, uid_t owner, gid_t group)
{
DECLARE_UTILITYBASE();
struct file_hook_message message;
D_S(struct FileInfoBlock,fib);
BPTR parent_dir = ZERO;
BPTR old_current_dir = ZERO;
BOOL current_dir_changed = FALSE;
int result = -1;
struct fd * fd;
LONG success;
ENTER();
@@ -55,8 +58,6 @@ fchown(int file_descriptor, uid_t owner, gid_t group)
SHOWVALUE(owner);
SHOWVALUE(group);
assert( UtilityBase != NULL );
assert( file_descriptor >= 0 && file_descriptor < __num_fd );
assert( __fd[file_descriptor] != NULL );
assert( FLAG_IS_SET(__fd[file_descriptor]->fd_Flags,FDF_IN_USE) );
@@ -71,22 +72,106 @@ fchown(int file_descriptor, uid_t owner, gid_t group)
goto out;
}
SHOWMSG("calling the hook");
if(FLAG_IS_SET(fd->fd_Flags,FDF_IS_SOCKET))
{
__set_errno(EINVAL);
goto out;
}
message.action = file_hook_action_change_owner;
message.owner = owner;
message.group = group;
if(owner > 65535 || group > 65535)
{
SHOWMSG("owner or group not OK");
assert( fd->fd_Hook != NULL );
SHOWVALUE(owner);
SHOWVALUE(group);
CallHookPkt(fd->fd_Hook,fd,&message);
__set_errno(EINVAL);
goto out;
}
result = message.result;
PROFILE_OFF();
success = (__safe_examine_file_handle(fd->fd_DefaultFile,fib) && (parent_dir = __safe_parent_of_file_handle(fd->fd_DefaultFile)) != ZERO);
PROFILE_ON();
__set_errno(message.error);
if(NO success)
{
SHOWMSG("couldn't find parent directory");
__set_errno(__translate_io_error_to_errno(IoErr()));
goto out;
}
old_current_dir = CurrentDir(parent_dir);
current_dir_changed = TRUE;
PROFILE_OFF();
#if defined(__amigaos4__)
{
success = SetOwner(fib->fib_FileName,(LONG)((((ULONG)owner) << 16) | group));
}
#else
{
if(((struct Library *)DOSBase)->lib_Version >= 39)
{
success = SetOwner(fib->fib_FileName,(LONG)((((ULONG)owner) << 16) | group));
}
else
{
D_S(struct bcpl_name,new_name);
struct DevProc * dvp;
unsigned int len;
SHOWMSG("have to do this manually...");
success = DOSFALSE;
len = strlen(fib->fib_FileName);
assert( len < sizeof(new_name->name) );
dvp = GetDeviceProc(fib->fib_FileName,NULL);
if(dvp != NULL)
{
LONG error;
new_name->name[0] = len;
memmove(&new_name->name[1],fib->fib_FileName,len);
success = DoPkt(dvp->dvp_Port,ACTION_SET_OWNER,dvp->dvp_Lock,MKBADDR(new_name),(LONG)((((ULONG)owner) << 16) | group),0,0);
error = IoErr();
FreeDeviceProc(dvp);
SetIoErr(error);
}
}
}
#endif /* __amigaos4__ */
PROFILE_ON();
if(NO success)
{
SHOWMSG("couldn't change owner/group");
__set_errno(__translate_io_error_to_errno(IoErr()));
goto out;
}
result = OK;
out:
PROFILE_OFF();
UnLock(parent_dir);
if(current_dir_changed)
CurrentDir(old_current_dir);
PROFILE_ON();
RETURN(result);
return(result);
}