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Fixed duplicate_handle to work with pseudo-handles (reported by Marcus 

Meissner).
This commit is contained in:
Alexandre Julliard 1999-05-29 11:17:25 +00:00
parent f981c6cbab
commit 0042cb3a37
1 changed files with 16 additions and 5 deletions
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21
server/handle.c
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@ -245,14 +245,25 @@ int duplicate_handle( struct process *src, int src_handle, struct process *dst,
unsigned int access, int inherit, int options )
{
int res;
struct handle_entry *entry = get_handle( src, src_handle );
if (!entry) return -1;
struct object *obj = get_handle_obj( src, src_handle, 0, NULL );
if (options & DUP_HANDLE_SAME_ACCESS) access = entry->access;
if (!obj) return -1;
if (options & DUP_HANDLE_SAME_ACCESS)
{
struct handle_entry *entry = get_handle( src, src_handle );
if (entry)
access = entry->access;
else /* pseudo-handle, give it full access */
{
access = STANDARD_RIGHTS_ALL | SPECIFIC_RIGHTS_ALL;
CLEAR_ERROR();
}
}
if (options & DUP_HANDLE_MAKE_GLOBAL) dst = initial_process;
access &= ~RESERVED_ALL;
res = alloc_handle( dst, entry->ptr, access, inherit );
if (options & DUP_HANDLE_MAKE_GLOBAL) res = HANDLE_LOCAL_TO_GLOBAL(res);
res = alloc_handle( dst, obj, access, inherit );
release_object( obj );
if ((options & DUP_HANDLE_MAKE_GLOBAL) && (res != -1)) res = HANDLE_LOCAL_TO_GLOBAL(res);
return res;
}