[SCM] Samba Shared Repository - branch master updated -
release-4-0-0alpha7-659-g191152d
Volker Lendecke
vlendec at samba.org
Sun Mar 22 10:44:42 GMT 2009
The branch, master has been updated
via 191152daa1384435746baf0062864a5d6f10cce3 (commit)
via 14df86e9e368fdab327bd07a2954f650b2946ff2 (commit)
via 2835d0d46331ae5275b8f9eaeea7dd78e998cfeb (commit)
from f590915fe5b0deb9e99ab5b2c13c587eadf194f6 (commit)
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master
- Log -----------------------------------------------------------------
commit 191152daa1384435746baf0062864a5d6f10cce3
Author: Volker Lendecke <vl at samba.org>
Date: Sun Mar 22 11:39:32 2009 +0100
Document the dirsort module
commit 14df86e9e368fdab327bd07a2954f650b2946ff2
Author: Volker Lendecke <vl at samba.org>
Date: Sun Mar 22 11:39:10 2009 +0100
Use StrCaseCmp in the dirsort module
commit 2835d0d46331ae5275b8f9eaeea7dd78e998cfeb
Author: Andy Kelk <andy at mopoke.co.uk>
Date: Sun Mar 22 11:06:52 2009 +0100
Add dirsort module
-----------------------------------------------------------------------
Summary of changes:
docs-xml/manpages-3/vfs_dirsort.8.xml | 69 ++++++++++++
source3/Makefile.in | 5 +
source3/configure.in | 3 +-
source3/modules/vfs_dirsort.c | 194 +++++++++++++++++++++++++++++++++
4 files changed, 270 insertions(+), 1 deletions(-)
create mode 100644 docs-xml/manpages-3/vfs_dirsort.8.xml
create mode 100644 source3/modules/vfs_dirsort.c
Changeset truncated at 500 lines:
diff --git a/docs-xml/manpages-3/vfs_dirsort.8.xml b/docs-xml/manpages-3/vfs_dirsort.8.xml
new file mode 100644
index 0000000..cec5f27
--- /dev/null
+++ b/docs-xml/manpages-3/vfs_dirsort.8.xml
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
+<refentry id="vfs_dirsort.8">
+
+<refmeta>
+ <refentrytitle>vfs_dirsort</refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo class="source">Samba</refmiscinfo>
+ <refmiscinfo class="manual">System Administration tools</refmiscinfo>
+ <refmiscinfo class="version">3.3</refmiscinfo>
+</refmeta>
+
+
+<refnamediv>
+ <refname>vfs_dirsort</refname>
+ <refpurpose>Sort directory contents</refpurpose>
+</refnamediv>
+
+<refsynopsisdiv>
+ <cmdsynopsis>
+ <command>vfs objects = dirsort</command>
+ </cmdsynopsis>
+</refsynopsisdiv>
+
+<refsect1>
+ <title>DESCRIPTION</title>
+
+ <para>This VFS module is part of the
+ <citerefentry><refentrytitle>samba</refentrytitle>
+ <manvolnum>7</manvolnum></citerefentry> suite.</para>
+
+ <para>The <command>vfs_dirsort</command> module sorts directory
+ entries alphabetically before sending them to the client.</para>
+
+ <para>Please be aware that adding this module might have negative
+ performance implications for large directories.</para>
+
+</refsect1>
+
+<refsect1>
+ <title>EXAMPLES</title>
+
+ <para>Sort directories for all shares:</para>
+
+<programlisting>
+ <smbconfsection name="[global]"/>
+ <smbconfoption name="vfs objects">dirsort</smbconfoption>
+</programlisting>
+
+</refsect1>
+
+<refsect1>
+ <title>VERSION</title>
+
+ <para>This man page is correct for version 3.3 of the Samba suite.
+ </para>
+</refsect1>
+
+<refsect1>
+ <title>AUTHOR</title>
+
+ <para>The original Samba software and related utilities
+ were created by Andrew Tridgell. Samba is now developed
+ by the Samba Team as an Open Source project similar
+ to the way the Linux kernel is developed.</para>
+
+</refsect1>
+
+</refentry>
diff --git a/source3/Makefile.in b/source3/Makefile.in
index cf74182..49cf840 100644
--- a/source3/Makefile.in
+++ b/source3/Makefile.in
@@ -687,6 +687,7 @@ VFS_ONEFS_OBJ = modules/vfs_onefs.o modules/onefs_acl.o modules/onefs_system.o \
VFS_ONEFS_SHADOW_COPY_OBJ = modules/vfs_onefs_shadow_copy.o modules/onefs_shadow_copy.o
PERFCOUNT_ONEFS_OBJ = modules/perfcount_onefs.o
PERFCOUNT_TEST_OBJ = modules/perfcount_test.o
+VFS_DIRSORT_OBJ = modules/vfs_dirsort.o
PLAINTEXT_AUTH_OBJ = auth/pampass.o auth/pass_check.o
@@ -2625,6 +2626,10 @@ bin/security. at SHLIBEXT@: $(BINARY_PREREQS) libgpo/gpext/security.o
@echo "Building plugin $@"
@$(SHLD_MODULE) libgpo/gpext/security.o
+bin/dirsort. at SHLIBEXT@: $(BINARY_PREREQS) $(VFS_DIRSORT_OBJ)
+ @echo "Building plugin $@"
+ @$(SHLD_MODULE) $(VFS_DIRSORT_OBJ)
+
#########################################################
## IdMap NSS plugins
diff --git a/source3/configure.in b/source3/configure.in
index dc5850a..c43c033 100644
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -436,7 +436,7 @@ dnl These have to be built static:
default_static_modules="pdb_smbpasswd pdb_tdbsam pdb_wbc_sam rpc_lsarpc rpc_samr rpc_winreg rpc_initshutdown rpc_dssetup rpc_wkssvc rpc_svcctl rpc_ntsvcs rpc_netlogon rpc_netdfs rpc_srvsvc rpc_spoolss rpc_eventlog auth_sam auth_unix auth_winbind auth_wbc auth_server auth_domain auth_builtin auth_netlogond vfs_default nss_info_template"
dnl These are preferably build shared, and static if dlopen() is not available
-default_shared_modules="vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 charset_CP850 charset_CP437 auth_script vfs_readahead vfs_xattr_tdb vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb vfs_smb_traffic_analyzer vfs_preopen"
+default_shared_modules="vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 charset_CP850 charset_CP437 auth_script vfs_readahead vfs_xattr_tdb vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb vfs_smb_traffic_analyzer vfs_preopen vfs_dirsort"
if test "x$developer" = xyes; then
default_static_modules="$default_static_modules rpc_rpcecho"
@@ -6213,6 +6213,7 @@ SMB_MODULE(vfs_acl_tdb, \$(VFS_ACL_TDB_OBJ), "bin/acl_tdb.$SHLIBEXT", VFS)
SMB_MODULE(vfs_smb_traffic_analyzer, \$(VFS_SMB_TRAFFIC_ANALYZER_OBJ), "bin/smb_traffic_analyzer.$SHLIBEXT", VFS)
SMB_MODULE(vfs_onefs, \$(VFS_ONEFS), "bin/onefs.$SHLIBEXT", VFS)
SMB_MODULE(vfs_onefs_shadow_copy, \$(VFS_ONEFS_SHADOW_COPY), "bin/onefs_shadow_copy.$SHLIBEXT", VFS)
+SMB_MODULE(vfs_dirsort, \$(VFS_DIRSORT_OBJ), "bin/dirsort.$SHLIBEXT", VFS)
SMB_SUBSYSTEM(VFS,smbd/vfs.o)
diff --git a/source3/modules/vfs_dirsort.c b/source3/modules/vfs_dirsort.c
new file mode 100644
index 0000000..53d1820
--- /dev/null
+++ b/source3/modules/vfs_dirsort.c
@@ -0,0 +1,194 @@
+/*
+ * VFS module to provide a sorted directory list.
+ *
+ * Copyright (C) Andy Kelk (andy at mopoke.co.uk), 2009
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes.h"
+
+static int compare_dirent (const void *a, const void *b) {
+ const SMB_STRUCT_DIRENT *da = (const SMB_STRUCT_DIRENT *) a;
+ const SMB_STRUCT_DIRENT *db = (const SMB_STRUCT_DIRENT *) b;
+ return StrCaseCmp(da->d_name, db->d_name);
+}
+
+struct dirsort_privates {
+ long pos;
+ SMB_STRUCT_DIRENT *directory_list;
+ long number_of_entries;
+ time_t mtime;
+ SMB_STRUCT_DIR *source_directory;
+ int fd;
+};
+
+static void free_dirsort_privates(void **datap) {
+ struct dirsort_privates *data = (struct dirsort_privates *) *datap;
+ SAFE_FREE(data->directory_list);
+ SAFE_FREE(data);
+ *datap = NULL;
+
+ return;
+}
+
+static void open_and_sort_dir (vfs_handle_struct *handle)
+{
+ SMB_STRUCT_DIRENT *dp;
+ struct stat dir_stat;
+ long current_pos;
+ struct dirsort_privates *data = NULL;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, data, struct dirsort_privates, return);
+
+ data->number_of_entries = 0;
+
+ if (fstat(data->fd, &dir_stat) == 0) {
+ data->mtime = dir_stat.st_mtime;
+ }
+
+ while (SMB_VFS_NEXT_READDIR(handle, data->source_directory, NULL)
+ != NULL) {
+ data->number_of_entries++;
+ }
+
+ /* Open the underlying directory and count the number of entries
+ Skip back to the beginning as we'll read it again */
+ SMB_VFS_NEXT_REWINDDIR(handle, data->source_directory);
+
+ /* Set up an array and read the directory entries into it */
+ SAFE_FREE(data->directory_list); /* destroy previous cache if needed */
+ data->directory_list = (SMB_STRUCT_DIRENT *)SMB_MALLOC(
+ data->number_of_entries * sizeof(SMB_STRUCT_DIRENT));
+ current_pos = data->pos;
+ data->pos = 0;
+ while ((dp = SMB_VFS_NEXT_READDIR(handle, data->source_directory,
+ NULL)) != NULL) {
+ data->directory_list[data->pos++] = *dp;
+ }
+
+ /* Sort the directory entries by name */
+ data->pos = current_pos;
+ qsort(data->directory_list, data->number_of_entries,
+ sizeof(SMB_STRUCT_DIRENT), compare_dirent);
+}
+
+static SMB_STRUCT_DIR *dirsort_opendir(vfs_handle_struct *handle,
+ const char *fname, const char *mask,
+ uint32 attr)
+{
+ struct dirsort_privates *data = NULL;
+
+ /* set up our private data about this directory */
+ data = (struct dirsort_privates *)SMB_MALLOC(
+ sizeof(struct dirsort_privates));
+
+ data->directory_list = NULL;
+ data->pos = 0;
+
+ /* Open the underlying directory and count the number of entries */
+ data->source_directory = SMB_VFS_NEXT_OPENDIR(handle, fname, mask,
+ attr);
+
+ data->fd = dirfd(data->source_directory);
+
+ SMB_VFS_HANDLE_SET_DATA(handle, data, free_dirsort_privates,
+ struct dirsort_privates, return NULL);
+
+ open_and_sort_dir(handle);
+
+ return data->source_directory;
+}
+
+static SMB_STRUCT_DIRENT *dirsort_readdir(vfs_handle_struct *handle,
+ SMB_STRUCT_DIR *dirp)
+{
+ struct dirsort_privates *data = NULL;
+ time_t current_mtime;
+ struct stat dir_stat;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, data, struct dirsort_privates,
+ return NULL);
+
+ if (fstat(data->fd, &dir_stat) == -1) {
+ return NULL;
+ }
+
+ current_mtime = dir_stat.st_mtime;
+
+ /* throw away cache and re-read the directory if we've changed */
+ if (current_mtime > data->mtime) {
+ open_and_sort_dir(handle);
+ }
+
+ if (data->pos >= data->number_of_entries) {
+ return NULL;
+ }
+
+ return &data->directory_list[data->pos++];
+}
+
+static void dirsort_seekdir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp,
+ long offset)
+{
+ struct dirsort_privates *data = NULL;
+ SMB_VFS_HANDLE_GET_DATA(handle, data, struct dirsort_privates, return);
+
+ data->pos = offset;
+}
+
+static long dirsort_telldir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
+{
+ struct dirsort_privates *data = NULL;
+ SMB_VFS_HANDLE_GET_DATA(handle, data, struct dirsort_privates,
+ return -1);
+
+ return data->pos;
+}
+
+static void dirsort_rewinddir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
+{
+ struct dirsort_privates *data = NULL;
+ SMB_VFS_HANDLE_GET_DATA(handle, data, struct dirsort_privates, return);
+
+ data->pos = 0;
+}
+
+/* VFS operations structure */
+
+static vfs_op_tuple dirsort_op_tuples[] = {
+
+ /* Directory operations */
+
+ {SMB_VFS_OP(dirsort_opendir), SMB_VFS_OP_OPENDIR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(dirsort_readdir), SMB_VFS_OP_READDIR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(dirsort_seekdir), SMB_VFS_OP_SEEKDIR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(dirsort_telldir), SMB_VFS_OP_TELLDIR,
+ SMB_VFS_LAYER_TRANSPARENT},
+ {SMB_VFS_OP(dirsort_rewinddir), SMB_VFS_OP_REWINDDIR,
+ SMB_VFS_LAYER_TRANSPARENT},
+
+ {NULL, SMB_VFS_OP_NOOP,
+ SMB_VFS_LAYER_NOOP}
+};
+
+NTSTATUS vfs_dirsort_init(void)
+{
+ return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "dirsort",
+ dirsort_op_tuples);
+}
--
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