mirror of
https://gitlab.winehq.org/wine/wine.git
synced 2024-11-21 17:09:06 -07:00
Implement symbolic link object in wineserver.
Implement Nt[Create|Open|Query]SymbolicLinkObject. Change tests accordingly.
This commit is contained in:
parent
ab86f8cde3
commit
80444dfe51
10 changed files with 515 additions and 50 deletions
141
dlls/ntdll/om.c
141
dlls/ntdll/om.c
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@ -2,6 +2,7 @@
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* Object management functions
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*
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* Copyright 1999, 2000 Juergen Schmied
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* Copyright 2005 Vitaliy Margolen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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@ -470,45 +471,137 @@ NTSTATUS WINAPI NtQueryDirectoryObject(IN HANDLE DirectoryHandle, OUT PDIRECTORY
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/******************************************************************************
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* NtOpenSymbolicLinkObject [NTDLL.@]
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* ZwOpenSymbolicLinkObject [NTDLL.@]
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*
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* Open a namespace symbolic link object.
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*
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* PARAMS
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* LinkHandle [O] Destination for the new symbolic link handle
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* DesiredAccess [I] Desired access to the symbolic link
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* ObjectAttributes [I] Structure describing the symbolic link
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*
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* RETURNS
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* Success: ERROR_SUCCESS.
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* Failure: An NTSTATUS error code.
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*/
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NTSTATUS WINAPI NtOpenSymbolicLinkObject(
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OUT PHANDLE LinkHandle,
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IN ACCESS_MASK DesiredAccess,
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IN POBJECT_ATTRIBUTES ObjectAttributes)
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NTSTATUS WINAPI NtOpenSymbolicLinkObject(OUT PHANDLE LinkHandle, IN ACCESS_MASK DesiredAccess,
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IN POBJECT_ATTRIBUTES ObjectAttributes)
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{
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FIXME("(%p,0x%08lx,%p) stub\n",
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LinkHandle, DesiredAccess, ObjectAttributes);
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dump_ObjectAttributes(ObjectAttributes);
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return STATUS_OBJECT_NAME_NOT_FOUND;
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NTSTATUS ret;
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TRACE("(%p,0x%08lx,%p)\n",LinkHandle, DesiredAccess, ObjectAttributes);
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dump_ObjectAttributes(ObjectAttributes);
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if (!LinkHandle) return STATUS_ACCESS_VIOLATION;
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if (!ObjectAttributes) return STATUS_INVALID_PARAMETER;
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/* Have to test it here because server won't know difference between
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* ObjectName == NULL and ObjectName == "" */
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if (!ObjectAttributes->ObjectName)
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{
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if (ObjectAttributes->RootDirectory)
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return STATUS_OBJECT_NAME_INVALID;
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else
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return STATUS_OBJECT_PATH_SYNTAX_BAD;
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}
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SERVER_START_REQ(open_symlink)
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{
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req->access = DesiredAccess;
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req->attributes = ObjectAttributes ? ObjectAttributes->Attributes : 0;
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req->rootdir = ObjectAttributes ? ObjectAttributes->RootDirectory : 0;
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if (ObjectAttributes->ObjectName)
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wine_server_add_data(req, ObjectAttributes->ObjectName->Buffer,
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ObjectAttributes->ObjectName->Length);
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ret = wine_server_call( req );
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*LinkHandle = reply->handle;
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}
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SERVER_END_REQ;
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return ret;
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}
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/******************************************************************************
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* NtCreateSymbolicLinkObject [NTDLL.@]
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* ZwCreateSymbolicLinkObject [NTDLL.@]
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*
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* Open a namespace symbolic link object.
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*
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* PARAMS
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* SymbolicLinkHandle [O] Destination for the new symbolic link handle
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* DesiredAccess [I] Desired access to the symbolic link
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* ObjectAttributes [I] Structure describing the symbolic link
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* TargetName [I] Name of the target symbolic link points to
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*
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* RETURNS
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* Success: ERROR_SUCCESS.
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* Failure: An NTSTATUS error code.
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*/
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NTSTATUS WINAPI NtCreateSymbolicLinkObject(
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OUT PHANDLE SymbolicLinkHandle,
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IN ACCESS_MASK DesiredAccess,
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IN POBJECT_ATTRIBUTES ObjectAttributes,
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IN PUNICODE_STRING Name)
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NTSTATUS WINAPI NtCreateSymbolicLinkObject(OUT PHANDLE SymbolicLinkHandle,IN ACCESS_MASK DesiredAccess,
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IN POBJECT_ATTRIBUTES ObjectAttributes,
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IN PUNICODE_STRING TargetName)
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{
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FIXME("(%p,0x%08lx,%p, %p) stub\n",
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SymbolicLinkHandle, DesiredAccess, ObjectAttributes, debugstr_us(Name));
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dump_ObjectAttributes(ObjectAttributes);
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return 0;
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NTSTATUS ret;
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TRACE("(%p,0x%08lx,%p, -> %s)\n", SymbolicLinkHandle, DesiredAccess, ObjectAttributes,
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debugstr_us(TargetName));
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dump_ObjectAttributes(ObjectAttributes);
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if (!SymbolicLinkHandle || !TargetName) return STATUS_ACCESS_VIOLATION;
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if (!TargetName->Buffer) return STATUS_INVALID_PARAMETER;
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SERVER_START_REQ(create_symlink)
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{
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req->access = DesiredAccess;
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req->attributes = ObjectAttributes ? ObjectAttributes->Attributes : 0;
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req->rootdir = ObjectAttributes ? ObjectAttributes->RootDirectory : 0;
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if (ObjectAttributes->ObjectName)
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{
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req->name_len = ObjectAttributes->ObjectName->Length;
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wine_server_add_data(req, ObjectAttributes->ObjectName->Buffer,
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ObjectAttributes->ObjectName->Length);
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}
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else
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req->name_len = 0;
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wine_server_add_data(req, TargetName->Buffer, TargetName->Length);
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ret = wine_server_call( req );
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*SymbolicLinkHandle = reply->handle;
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}
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SERVER_END_REQ;
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return ret;
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}
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/******************************************************************************
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* NtQuerySymbolicLinkObject [NTDLL.@]
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* ZwQuerySymbolicLinkObject [NTDLL.@]
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*
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* Query a namespace symbolic link object target name.
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*
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* PARAMS
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* LinkHandle [I] Handle to a symbolic link object
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* LinkTarget [O] Destination for the symbolic link target
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* ReturnedLength [O] Size of returned data
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*
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* RETURNS
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* Success: ERROR_SUCCESS.
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* Failure: An NTSTATUS error code.
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*/
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NTSTATUS WINAPI NtQuerySymbolicLinkObject(
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IN HANDLE LinkHandle,
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IN OUT PUNICODE_STRING LinkTarget,
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OUT PULONG ReturnedLength OPTIONAL)
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NTSTATUS WINAPI NtQuerySymbolicLinkObject(IN HANDLE LinkHandle, IN OUT PUNICODE_STRING LinkTarget,
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OUT PULONG ReturnedLength OPTIONAL)
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{
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FIXME("(%p,%p,%p) stub\n",
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LinkHandle, debugstr_us(LinkTarget), ReturnedLength);
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NTSTATUS ret;
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TRACE("(%p,%p,%p)\n", LinkHandle, LinkTarget, ReturnedLength);
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return 0;
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if (!LinkTarget) return STATUS_ACCESS_VIOLATION;
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SERVER_START_REQ(query_symlink)
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{
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req->handle = LinkHandle;
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wine_server_set_reply( req, LinkTarget->Buffer, LinkTarget->MaximumLength );
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if (!(ret = wine_server_call( req )))
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{
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LinkTarget->Length = wine_server_reply_size(reply);
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if (ReturnedLength) *ReturnedLength = LinkTarget->Length;
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}
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}
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SERVER_END_REQ;
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return ret;
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}
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/******************************************************************************
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@ -185,9 +185,7 @@ static void test_name_collisions(void)
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InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
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pRtlCreateUnicodeStringFromAsciiz(&str, "\\");
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h = 0;
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DIR_TEST_CREATE_FAILURE(&h, STATUS_OBJECT_NAME_COLLISION)
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ok(h == 0, "Failed create returned valid handle! (%p)\n", h);
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InitializeObjectAttributes(&attr, &str, OBJ_OPENIF, 0, NULL);
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DIR_TEST_CREATE_FAILURE(&h, STATUS_OBJECT_NAME_EXISTS)
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@ -336,11 +334,11 @@ void test_directory(void)
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pRtlCreateUnicodeStringFromAsciiz(&str, "\\BaseNamedObjects\\Local");
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InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
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status = pNtOpenSymbolicLinkObject(&dir, SYMBOLIC_LINK_QUERY, &attr);\
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todo_wine ok(status == STATUS_SUCCESS, "Failed to open SymbolicLink(%08lx)\n", status);
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ok(status == STATUS_SUCCESS, "Failed to open SymbolicLink(%08lx)\n", status);
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pRtlFreeUnicodeString(&str);
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InitializeObjectAttributes(&attr, &str, 0, dir, NULL);
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pRtlCreateUnicodeStringFromAsciiz(&str, "one more level");
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todo_wine{ DIR_TEST_CREATE_FAILURE(&h, STATUS_OBJECT_TYPE_MISMATCH) }
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DIR_TEST_CREATE_FAILURE(&h, STATUS_OBJECT_TYPE_MISMATCH)
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pRtlFreeUnicodeString(&str);
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pNtClose(h);
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pNtClose(dir);
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InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
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pRtlCreateUnicodeStringFromAsciiz(&str, "\\BaseNamedObjects\\Global\\om.c-test");
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todo_wine{ DIR_TEST_CREATE_SUCCESS(&dir) }
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DIR_TEST_CREATE_SUCCESS(&dir)
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pRtlFreeUnicodeString(&str);
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pRtlCreateUnicodeStringFromAsciiz(&str, "\\BaseNamedObjects\\Local\\om.c-test\\one more level");
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todo_wine{ DIR_TEST_CREATE_SUCCESS(&h) }
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DIR_TEST_CREATE_SUCCESS(&h)
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pRtlFreeUnicodeString(&str);
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pNtClose(h);
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InitializeObjectAttributes(&attr, &str, 0, dir, NULL);
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pRtlCreateUnicodeStringFromAsciiz(&str, "one more level");
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todo_wine{ DIR_TEST_CREATE_SUCCESS(&dir) }
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DIR_TEST_CREATE_SUCCESS(&dir)
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pRtlFreeUnicodeString(&str);
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pNtClose(h);
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@ -476,18 +474,18 @@ void test_symboliclink(void)
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IO_STATUS_BLOCK iosb;
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/* No name and/or no attributes */
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todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(NULL, "", "", STATUS_ACCESS_VIOLATION) }
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SYMLNK_TEST_CREATE_OPEN_FAILURE(NULL, "", "", STATUS_ACCESS_VIOLATION)
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status = pNtCreateSymbolicLinkObject(&h, SYMBOLIC_LINK_QUERY, NULL, NULL);
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todo_wine ok(status == STATUS_ACCESS_VIOLATION,
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ok(status == STATUS_ACCESS_VIOLATION,
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"NtCreateSymbolicLinkObject should have failed with STATUS_ACCESS_VIOLATION got(%08lx)\n", status);
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status = pNtOpenSymbolicLinkObject(&h, SYMBOLIC_LINK_QUERY, NULL);
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todo_wine ok(status == STATUS_INVALID_PARAMETER,
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ok(status == STATUS_INVALID_PARAMETER,
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"NtOpenSymbolicLinkObject should have failed with STATUS_INVALID_PARAMETER got(%08lx)\n", status);
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InitializeObjectAttributes(&attr, NULL, 0, 0, NULL);
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todo_wine{ SYMLNK_TEST_CREATE_FAILURE(&link, STATUS_INVALID_PARAMETER) }
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todo_wine{ SYMLNK_TEST_OPEN_FAILURE(&h, STATUS_OBJECT_PATH_SYNTAX_BAD) }
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SYMLNK_TEST_CREATE_FAILURE(&link, STATUS_INVALID_PARAMETER)
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SYMLNK_TEST_OPEN_FAILURE(&h, STATUS_OBJECT_PATH_SYNTAX_BAD)
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/* Bad name */
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pRtlCreateUnicodeStringFromAsciiz(&target, "anywhere");
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pRtlCreateUnicodeStringFromAsciiz(&str, "");
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SYMLNK_TEST_CREATE_SUCCESS(&link)
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todo_wine{ SYMLNK_TEST_OPEN_FAILURE(&h, STATUS_OBJECT_PATH_SYNTAX_BAD) }
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SYMLNK_TEST_OPEN_FAILURE(&h, STATUS_OBJECT_PATH_SYNTAX_BAD)
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pNtClose(link);
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pRtlFreeUnicodeString(&str);
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pRtlFreeUnicodeString(&str);
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pRtlFreeUnicodeString(&target);
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todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "BaseNamedObjects", "->Somewhere", STATUS_OBJECT_PATH_SYNTAX_BAD) }
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todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\", "->Somewhere", STATUS_OBJECT_NAME_INVALID) }
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todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\\\BaseNamedObjects", "->Somewhere", STATUS_OBJECT_NAME_INVALID) }
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todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\\\om.c-test", "->Somewhere", STATUS_OBJECT_NAME_INVALID) }
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todo_wine{ SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\om.c-test\\", "->Somewhere", STATUS_OBJECT_NAME_INVALID) }
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SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "BaseNamedObjects", "->Somewhere", STATUS_OBJECT_PATH_SYNTAX_BAD)
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SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\", "->Somewhere", STATUS_OBJECT_NAME_INVALID)
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SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\\\BaseNamedObjects", "->Somewhere", STATUS_OBJECT_NAME_INVALID)
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SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\\\om.c-test", "->Somewhere", STATUS_OBJECT_NAME_INVALID)
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SYMLNK_TEST_CREATE_OPEN_FAILURE(&h, "\\BaseNamedObjects\\om.c-test\\", "->Somewhere", STATUS_OBJECT_NAME_INVALID)
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/* Compaund test */
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@ -3609,6 +3609,53 @@ struct open_directory_reply
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};
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struct create_symlink_request
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{
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struct request_header __header;
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unsigned int access;
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unsigned int attributes;
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obj_handle_t rootdir;
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size_t name_len;
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/* VARARG(name,unicode_str,name_len); */
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/* VARARG(target_name,unicode_str); */
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};
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struct create_symlink_reply
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{
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struct reply_header __header;
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obj_handle_t handle;
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};
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struct open_symlink_request
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{
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struct request_header __header;
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unsigned int access;
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unsigned int attributes;
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obj_handle_t rootdir;
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/* VARARG(name,unicode_str); */
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};
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struct open_symlink_reply
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{
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struct reply_header __header;
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obj_handle_t handle;
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};
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struct query_symlink_request
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{
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struct request_header __header;
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obj_handle_t handle;
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};
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struct query_symlink_reply
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{
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struct reply_header __header;
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/* VARARG(target_name,unicode_str); */
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};
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enum request
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{
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REQ_new_process,
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@ -3818,6 +3865,9 @@ enum request
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REQ_set_mailslot_info,
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REQ_create_directory,
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REQ_open_directory,
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REQ_create_symlink,
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REQ_open_symlink,
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REQ_query_symlink,
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REQ_NB_REQUESTS
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};
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@ -4032,6 +4082,9 @@ union generic_request
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struct set_mailslot_info_request set_mailslot_info_request;
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struct create_directory_request create_directory_request;
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struct open_directory_request open_directory_request;
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struct create_symlink_request create_symlink_request;
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struct open_symlink_request open_symlink_request;
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struct query_symlink_request query_symlink_request;
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};
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union generic_reply
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{
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@ -4244,8 +4297,11 @@ union generic_reply
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struct set_mailslot_info_reply set_mailslot_info_reply;
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struct create_directory_reply create_directory_reply;
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struct open_directory_reply open_directory_reply;
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struct create_symlink_reply create_symlink_reply;
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struct open_symlink_reply open_symlink_reply;
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struct query_symlink_reply query_symlink_reply;
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};
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#define SERVER_PROTOCOL_VERSION 200
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#define SERVER_PROTOCOL_VERSION 201
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#endif /* __WINE_WINE_SERVER_PROTOCOL_H */
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@ -40,6 +40,7 @@ C_SRCS = \
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signal.c \
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snapshot.c \
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sock.c \
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symlink.c \
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thread.c \
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timer.c \
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token.c \
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@ -285,34 +285,59 @@ obj_handle_t open_object_dir( struct directory *root, const struct unicode_str *
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/* Global initialization */
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static struct directory *dir_global, *dir_driver, *dir_device, *dir_basenamed;
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static struct directory *dir_driver, *dir_device;
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static struct symlink *link_dosdev, *link_global1, *link_global2, *link_local;
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void init_directories(void)
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{
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/* Directories */
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static const WCHAR dir_globalW[] = {'?','?'};
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static const WCHAR dir_globalW[] = {'\\','?','?'};
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static const WCHAR dir_driverW[] = {'D','r','i','v','e','r'};
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static const WCHAR dir_deviceW[] = {'D','e','v','i','c','e'};
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static const WCHAR dir_basenamedW[] = {'B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s'};
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static const WCHAR dir_basenamedW[] = {'\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s'};
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static const struct unicode_str dir_global_str = {dir_globalW, sizeof(dir_globalW)};
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static const struct unicode_str dir_driver_str = {dir_driverW, sizeof(dir_driverW)};
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static const struct unicode_str dir_device_str = {dir_deviceW, sizeof(dir_deviceW)};
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static const struct unicode_str dir_basenamed_str = {dir_basenamedW, sizeof(dir_basenamedW)};
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/* symlinks */
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static const WCHAR link_dosdevW[] = {'D','o','s','D','e','v','i','c','e','s'};
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static const WCHAR link_globalW[] = {'G','l','o','b','a','l'};
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static const WCHAR link_localW[] = {'L','o','c','a','l'};
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static const struct unicode_str link_dosdev_str = {link_dosdevW, sizeof(link_dosdevW)};
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static const struct unicode_str link_global_str = {link_globalW, sizeof(link_globalW)};
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static const struct unicode_str link_local_str = {link_localW, sizeof(link_localW)};
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struct directory *dir_global, *dir_basenamed;
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root_directory = create_directory( NULL, NULL, 0, HASH_SIZE );
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dir_global = create_directory( root_directory, &dir_global_str, 0, HASH_SIZE );
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dir_driver = create_directory( root_directory, &dir_driver_str, 0, HASH_SIZE );
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dir_device = create_directory( root_directory, &dir_device_str, 0, HASH_SIZE );
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dir_global = create_directory( NULL, &dir_global_str, 0, HASH_SIZE );
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/* use a larger hash table for this one since it can contain a lot of objects */
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dir_basenamed = create_directory( root_directory, &dir_basenamed_str, 0, 37 );
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dir_basenamed = create_directory( NULL, &dir_basenamed_str, 0, 37 );
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|
||||
/* symlinks */
|
||||
link_dosdev = create_symlink( root_directory, &link_dosdev_str, 0, &dir_global_str );
|
||||
link_global1 = create_symlink( dir_global, &link_global_str, 0, &dir_global_str );
|
||||
link_global2 = create_symlink( dir_basenamed, &link_global_str, 0, &dir_basenamed_str );
|
||||
link_local = create_symlink( dir_basenamed, &link_local_str, 0, &dir_basenamed_str );
|
||||
|
||||
/* the symlinks hold references so we can release these */
|
||||
release_object( dir_global );
|
||||
release_object( dir_basenamed );
|
||||
}
|
||||
|
||||
void close_directories(void)
|
||||
{
|
||||
release_object( dir_global );
|
||||
release_object( link_dosdev );
|
||||
release_object( link_global1 );
|
||||
release_object( link_global2 );
|
||||
release_object( link_local );
|
||||
|
||||
release_object( dir_driver );
|
||||
release_object( dir_device );
|
||||
release_object( dir_basenamed );
|
||||
release_object( root_directory );
|
||||
}
|
||||
|
||||
|
|
|
@ -193,6 +193,12 @@ extern obj_handle_t open_object_dir( struct directory *root, const struct unicod
|
|||
extern void init_directories(void);
|
||||
extern void close_directories(void);
|
||||
|
||||
/* symbolic link functions */
|
||||
|
||||
extern struct symlink *create_symlink( struct directory *root, const struct unicode_str *name,
|
||||
unsigned int attr, const struct unicode_str *target );
|
||||
|
||||
|
||||
/* global variables */
|
||||
|
||||
/* command-line options */
|
||||
|
|
|
@ -2527,3 +2527,35 @@ enum message_type
|
|||
@REPLY
|
||||
obj_handle_t handle; /* handle to the directory */
|
||||
@END
|
||||
|
||||
|
||||
/* Create a symbolic link object */
|
||||
@REQ(create_symlink)
|
||||
unsigned int access; /* access flags */
|
||||
unsigned int attributes; /* object attributes */
|
||||
obj_handle_t rootdir; /* root directory */
|
||||
size_t name_len; /* length of the symlink name in bytes */
|
||||
VARARG(name,unicode_str,name_len); /* symlink name */
|
||||
VARARG(target_name,unicode_str); /* target name */
|
||||
@REPLY
|
||||
obj_handle_t handle; /* handle to the symlink */
|
||||
@END
|
||||
|
||||
|
||||
/* Open a symbolic link object */
|
||||
@REQ(open_symlink)
|
||||
unsigned int access; /* access flags */
|
||||
unsigned int attributes; /* object attributes */
|
||||
obj_handle_t rootdir; /* root directory */
|
||||
VARARG(name,unicode_str); /* symlink name */
|
||||
@REPLY
|
||||
obj_handle_t handle; /* handle to the symlink */
|
||||
@END
|
||||
|
||||
|
||||
/* Query a symbolic link object */
|
||||
@REQ(query_symlink)
|
||||
obj_handle_t handle; /* handle to the symlink */
|
||||
@REPLY
|
||||
VARARG(target_name,unicode_str); /* target name */
|
||||
@END
|
||||
|
|
|
@ -317,6 +317,9 @@ DECL_HANDLER(open_mailslot);
|
|||
DECL_HANDLER(set_mailslot_info);
|
||||
DECL_HANDLER(create_directory);
|
||||
DECL_HANDLER(open_directory);
|
||||
DECL_HANDLER(create_symlink);
|
||||
DECL_HANDLER(open_symlink);
|
||||
DECL_HANDLER(query_symlink);
|
||||
|
||||
#ifdef WANT_REQUEST_HANDLERS
|
||||
|
||||
|
@ -530,6 +533,9 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
|
|||
(req_handler)req_set_mailslot_info,
|
||||
(req_handler)req_create_directory,
|
||||
(req_handler)req_open_directory,
|
||||
(req_handler)req_create_symlink,
|
||||
(req_handler)req_open_symlink,
|
||||
(req_handler)req_query_symlink,
|
||||
};
|
||||
#endif /* WANT_REQUEST_HANDLERS */
|
||||
|
||||
|
|
196
server/symlink.c
Normal file
196
server/symlink.c
Normal file
|
@ -0,0 +1,196 @@
|
|||
/*
|
||||
* Server-side symbolic link object management
|
||||
*
|
||||
* Copyright (C) 2005 Vitaliy Margolen
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
#include "wine/port.h"
|
||||
|
||||
#include <assert.h>
|
||||
#include <stdarg.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#include "ntstatus.h"
|
||||
#define WIN32_NO_STATUS
|
||||
#include "winternl.h"
|
||||
#include "ddk/wdm.h"
|
||||
|
||||
#include "handle.h"
|
||||
#include "request.h"
|
||||
#include "object.h"
|
||||
#include "unicode.h"
|
||||
|
||||
struct symlink
|
||||
{
|
||||
struct object obj; /* object header */
|
||||
WCHAR *target; /* target of the symlink */
|
||||
size_t len; /* target len in bytes */
|
||||
};
|
||||
|
||||
static void symlink_dump( struct object *obj, int verbose );
|
||||
static struct object *symlink_lookup_name( struct object *obj, struct unicode_str *name,
|
||||
unsigned int attr );
|
||||
static void symlink_destroy( struct object *obj );
|
||||
|
||||
static const struct object_ops symlink_ops =
|
||||
{
|
||||
sizeof(struct symlink), /* size */
|
||||
symlink_dump, /* dump */
|
||||
no_add_queue, /* add_queue */
|
||||
NULL, /* remove_queue */
|
||||
NULL, /* signaled */
|
||||
NULL, /* satisfied */
|
||||
no_signal, /* signal */
|
||||
no_get_fd, /* get_fd */
|
||||
symlink_lookup_name, /* lookup_name */
|
||||
no_close_handle, /* close_handle */
|
||||
symlink_destroy /* destroy */
|
||||
};
|
||||
|
||||
static void symlink_dump( struct object *obj, int verbose )
|
||||
{
|
||||
struct symlink *symlink = (struct symlink *)obj;
|
||||
assert( obj->ops == &symlink_ops );
|
||||
|
||||
fprintf( stderr, "Symlink " );
|
||||
dump_object_name( obj );
|
||||
fprintf( stderr, " -> L\"" );
|
||||
dump_strW( symlink->target, symlink->len / sizeof(WCHAR), stderr, "\"\"" );
|
||||
fprintf( stderr, "\"\n" );
|
||||
}
|
||||
|
||||
static struct object *symlink_lookup_name( struct object *obj, struct unicode_str *name,
|
||||
unsigned int attr )
|
||||
{
|
||||
struct symlink *symlink = (struct symlink *)obj;
|
||||
struct unicode_str target_str, name_left;
|
||||
struct object *target;
|
||||
|
||||
assert( obj->ops == &symlink_ops );
|
||||
if (attr & OBJ_OPENLINK) return NULL;
|
||||
|
||||
target_str.str = symlink->target;
|
||||
target_str.len = symlink->len;
|
||||
if ((target = find_object_dir( NULL, &target_str, attr, &name_left )))
|
||||
{
|
||||
if (name_left.len)
|
||||
{
|
||||
release_object( target );
|
||||
target = NULL;
|
||||
set_error( STATUS_OBJECT_PATH_NOT_FOUND );
|
||||
}
|
||||
}
|
||||
return target;
|
||||
}
|
||||
|
||||
static void symlink_destroy( struct object *obj )
|
||||
{
|
||||
struct symlink *symlink = (struct symlink *)obj;
|
||||
assert( obj->ops == &symlink_ops );
|
||||
free( symlink->target );
|
||||
}
|
||||
|
||||
struct symlink *create_symlink( struct directory *root, const struct unicode_str *name,
|
||||
unsigned int attr, const struct unicode_str *target )
|
||||
{
|
||||
struct symlink *symlink;
|
||||
|
||||
if (!target->len)
|
||||
{
|
||||
set_error( STATUS_INVALID_PARAMETER );
|
||||
return NULL;
|
||||
}
|
||||
if ((symlink = create_named_object_dir( root, name, attr, &symlink_ops )) &&
|
||||
(get_error() != STATUS_OBJECT_NAME_EXISTS))
|
||||
{
|
||||
if ((symlink->target = memdup( target->str, target->len )))
|
||||
symlink->len = target->len;
|
||||
else
|
||||
{
|
||||
release_object( symlink );
|
||||
symlink = NULL;
|
||||
}
|
||||
}
|
||||
return symlink;
|
||||
}
|
||||
|
||||
|
||||
/* create a symbolic link object */
|
||||
DECL_HANDLER(create_symlink)
|
||||
{
|
||||
struct symlink *symlink;
|
||||
struct unicode_str name, target;
|
||||
struct directory *root = NULL;
|
||||
|
||||
if (req->name_len > get_req_data_size())
|
||||
{
|
||||
set_error( STATUS_INVALID_PARAMETER );
|
||||
return;
|
||||
}
|
||||
name.str = get_req_data();
|
||||
target.str = name.str + req->name_len / sizeof(WCHAR);
|
||||
name.len = (target.str - name.str) * sizeof(WCHAR);
|
||||
target.len = ((get_req_data_size() - name.len) / sizeof(WCHAR)) * sizeof(WCHAR);
|
||||
|
||||
if (req->rootdir && !(root = get_directory_obj( current->process, req->rootdir, 0 )))
|
||||
return;
|
||||
|
||||
if ((symlink = create_symlink( root, &name, req->attributes, &target )))
|
||||
{
|
||||
reply->handle = alloc_handle( current->process, symlink, req->access,
|
||||
req->attributes & OBJ_INHERIT );
|
||||
release_object( symlink );
|
||||
}
|
||||
|
||||
if (root) release_object( root );
|
||||
}
|
||||
|
||||
/* open a symbolic link object */
|
||||
DECL_HANDLER(open_symlink)
|
||||
{
|
||||
struct unicode_str name;
|
||||
struct directory *root = NULL;
|
||||
|
||||
get_req_unicode_str( &name );
|
||||
if (req->rootdir && !(root = get_directory_obj( current->process, req->rootdir, 0 )))
|
||||
return;
|
||||
|
||||
reply->handle = open_object_dir( root, &name, req->attributes | OBJ_OPENLINK,
|
||||
&symlink_ops, req->access );
|
||||
|
||||
if (root) release_object( root );
|
||||
}
|
||||
|
||||
/* query a symbolic link object */
|
||||
DECL_HANDLER(query_symlink)
|
||||
{
|
||||
struct symlink *symlink;
|
||||
|
||||
symlink = (struct symlink *)get_handle_obj( current->process, req->handle,
|
||||
SYMBOLIC_LINK_QUERY, &symlink_ops );
|
||||
if (!symlink) return;
|
||||
|
||||
if (get_reply_max_size() < symlink->len)
|
||||
set_error( STATUS_BUFFER_TOO_SMALL );
|
||||
else
|
||||
set_reply_data( symlink->target, symlink->len );
|
||||
release_object( symlink );
|
||||
}
|
|
@ -3121,6 +3121,49 @@ static void dump_open_directory_reply( const struct open_directory_reply *req )
|
|||
fprintf( stderr, " handle=%p", req->handle );
|
||||
}
|
||||
|
||||
static void dump_create_symlink_request( const struct create_symlink_request *req )
|
||||
{
|
||||
fprintf( stderr, " access=%08x,", req->access );
|
||||
fprintf( stderr, " attributes=%08x,", req->attributes );
|
||||
fprintf( stderr, " rootdir=%p,", req->rootdir );
|
||||
fprintf( stderr, " name_len=%d,", req->name_len );
|
||||
fprintf( stderr, " name=" );
|
||||
dump_varargs_unicode_str( min(cur_size,req->name_len) );
|
||||
fputc( ',', stderr );
|
||||
fprintf( stderr, " target_name=" );
|
||||
dump_varargs_unicode_str( cur_size );
|
||||
}
|
||||
|
||||
static void dump_create_symlink_reply( const struct create_symlink_reply *req )
|
||||
{
|
||||
fprintf( stderr, " handle=%p", req->handle );
|
||||
}
|
||||
|
||||
static void dump_open_symlink_request( const struct open_symlink_request *req )
|
||||
{
|
||||
fprintf( stderr, " access=%08x,", req->access );
|
||||
fprintf( stderr, " attributes=%08x,", req->attributes );
|
||||
fprintf( stderr, " rootdir=%p,", req->rootdir );
|
||||
fprintf( stderr, " name=" );
|
||||
dump_varargs_unicode_str( cur_size );
|
||||
}
|
||||
|
||||
static void dump_open_symlink_reply( const struct open_symlink_reply *req )
|
||||
{
|
||||
fprintf( stderr, " handle=%p", req->handle );
|
||||
}
|
||||
|
||||
static void dump_query_symlink_request( const struct query_symlink_request *req )
|
||||
{
|
||||
fprintf( stderr, " handle=%p", req->handle );
|
||||
}
|
||||
|
||||
static void dump_query_symlink_reply( const struct query_symlink_reply *req )
|
||||
{
|
||||
fprintf( stderr, " target_name=" );
|
||||
dump_varargs_unicode_str( cur_size );
|
||||
}
|
||||
|
||||
static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
|
||||
(dump_func)dump_new_process_request,
|
||||
(dump_func)dump_get_new_process_info_request,
|
||||
|
@ -3329,6 +3372,9 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
|
|||
(dump_func)dump_set_mailslot_info_request,
|
||||
(dump_func)dump_create_directory_request,
|
||||
(dump_func)dump_open_directory_request,
|
||||
(dump_func)dump_create_symlink_request,
|
||||
(dump_func)dump_open_symlink_request,
|
||||
(dump_func)dump_query_symlink_request,
|
||||
};
|
||||
|
||||
static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
|
||||
|
@ -3539,6 +3585,9 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
|
|||
(dump_func)dump_set_mailslot_info_reply,
|
||||
(dump_func)dump_create_directory_reply,
|
||||
(dump_func)dump_open_directory_reply,
|
||||
(dump_func)dump_create_symlink_reply,
|
||||
(dump_func)dump_open_symlink_reply,
|
||||
(dump_func)dump_query_symlink_reply,
|
||||
};
|
||||
|
||||
static const char * const req_names[REQ_NB_REQUESTS] = {
|
||||
|
@ -3749,6 +3798,9 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
|
|||
"set_mailslot_info",
|
||||
"create_directory",
|
||||
"open_directory",
|
||||
"create_symlink",
|
||||
"open_symlink",
|
||||
"query_symlink",
|
||||
};
|
||||
|
||||
static const struct
|
||||
|
|
Loading…
Reference in a new issue