fresh git tree for public release

we regretfully had to remove our git history for licensing reasons

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>

daemon/getattr.c

@@ -0,0 +1,152 @@
+/* Copyright (c) 2010
+ * The Regents of the University of Michigan
+ * All Rights Reserved
+ *
+ * Permission is granted to use, copy and redistribute this software
+ * for noncommercial education and research purposes, so long as no
+ * fee is charged, and so long as the name of the University of Michigan
+ * is not used in any advertising or publicity pertaining to the use
+ * or distribution of this software without specific, written prior
+ * authorization.  Permission to modify or otherwise create derivative
+ * works of this software is not granted.
+ *
+ * This software is provided as is, without representation or warranty
+ * of any kind either express or implied, including without limitation
+ * the implied warranties of merchantability, fitness for a particular
+ * purpose, or noninfringement.  The Regents of the University of
+ * Michigan shall not be liable for any damages, including special,
+ * indirect, incidental, or consequential damages, with respect to any
+ * claim arising out of or in connection with the use of the software,
+ * even if it has been or is hereafter advised of the possibility of
+ * such damages.
+ */
+
+#include <Windows.h>
+#include <stdio.h>
+#include "from_kernel.h"
+#include "daemon_debug.h"
+#include "nfs41_ops.h"
+#include "name_cache.h"
+#include "upcall.h"
+#include "util.h"
+
+
+int nfs41_cached_getattr(
+    IN nfs41_session *session,
+    IN nfs41_path_fh *file,
+    OUT nfs41_file_info *info)
+{
+    int status;
+
+    /* first look for cached attributes */
+    status = nfs41_attr_cache_lookup(session_name_cache(session),
+        file->fh.fileid, info);
+
+    if (status) {
+        /* fetch attributes from the server */
+        bitmap4 attr_request;
+        init_getattr_request(&attr_request);
+
+        status = nfs41_getattr(session, file, &attr_request, info);
+        if (status) {
+            eprintf("nfs41_getattr() failed with %s\n",
+                nfs_error_string(status));
+            status = nfs_to_windows_error(status, ERROR_BAD_NET_RESP);
+        }
+    }
+    return status;
+}
+
+int parse_getattr(unsigned char *buffer, uint32_t length, nfs41_upcall *upcall)
+{
+    int status;
+    getattr_upcall_args *args = &upcall->args.getattr;
+
+    status = safe_read(&buffer, &length, &args->query_class, sizeof(args->query_class));
+    if (status) goto out;
+    status = safe_read(&buffer, &length, &args->buf_len, sizeof(args->buf_len));
+    if (status) goto out;
+    status = safe_read(&buffer, &length, &args->root, sizeof(HANDLE));
+    if (status) goto out;
+    status = safe_read(&buffer, &length, &args->state, sizeof(args->state));
+out:
+    if (status)
+        eprintf("parsing NFS41_FILE_QUERY failed with %d\n", status);
+    else
+        dprintf(1, "parsing NFS41_FILE_QUERY: info_class=%d buf_len=%d "
+            "root=0x%p open_state=0x%p\n",
+            args->query_class, args->buf_len, args->root, args->state);
+    return status;
+}
+
+int handle_getattr(nfs41_upcall *upcall)
+{
+    int status;
+    getattr_upcall_args *args = &upcall->args.getattr;
+    nfs41_open_state *state = args->state;
+    nfs41_file_info info;
+
+    ZeroMemory(&info, sizeof(info));
+
+    status = nfs41_cached_getattr(state->session, &state->file, &info);
+    if (status) {
+        eprintf("nfs41_cached_getattr() failed with %d\n", status);
+        goto out;
+    }
+
+    switch (args->query_class) {
+    case FileBasicInformation:
+        nfs_to_basic_info(&info, &args->basic_info);
+        break;
+    case FileStandardInformation:
+        nfs_to_standard_info(&info, &args->std_info);
+        break;
+    case FileAttributeTagInformation:
+        args->tag_info.FileAttributes = nfs_file_info_to_attributes(&info);
+        args->tag_info.ReparseTag = 0;
+        break;
+    default:
+        eprintf("unhandled file query class %d\n", args->query_class);
+        status = ERROR_INVALID_PARAMETER;
+        break;
+    }
+out:
+    return status;
+}
+
+int marshall_getattr(unsigned char *buffer, uint32_t *length, nfs41_upcall *upcall)
+{
+    int status;
+    getattr_upcall_args *args = &upcall->args.getattr;
+    uint32_t info_len;
+
+    switch (args->query_class) {
+    case FileBasicInformation:
+        info_len = sizeof(args->basic_info);
+        status = safe_write(&buffer, length, &info_len, sizeof(info_len));
+        if (status) goto out;
+        status = safe_write(&buffer, length, &args->basic_info, info_len);
+        if (status) goto out;
+        break;
+    case FileStandardInformation:
+        info_len = sizeof(args->std_info);
+        status = safe_write(&buffer, length, &info_len, sizeof(info_len));
+        if (status) goto out;
+        status = safe_write(&buffer, length, &args->std_info, info_len);
+        if (status) goto out;
+        break;
+    case FileAttributeTagInformation:
+        info_len = sizeof(args->tag_info);
+        status = safe_write(&buffer, length, &info_len, sizeof(info_len));
+        if (status) goto out;
+        status = safe_write(&buffer, length, &args->tag_info, info_len);
+        if (status) goto out;
+        break;
+    default:
+        eprintf("unknown file query class %d\n", args->query_class);
+        status = 103;
+        goto out;
+    }
+out:
+    return status;
+}