Attachment 3866 Details for Bug 5780 – SAM-QFS offline (laid off) files support

[patch] SAM-QFS offline (laid off) files support

samqfs-offline-support-diff (text/plain), 13.08 KB, created by Jura Sasek on 2009-01-11 18:59:41 UTC

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Creator: Jura Sasek

Created: 2009-01-11 18:59:41 UTC

Size: 13.08 KB

patch

obsolete

>--- config.h.in	2008-08-25 16:16:23.000000000 -0500
>+++ samba-3.0.32/source/include/config.h.in	2008-09-10 11:18:07.000000000 -0500
>@@ -2484,6 +2484,9 @@
> /* Whether to use disk quota support */
> #undef WITH_QUOTAS
> 
>+/* Whether to include Sun samfs support */
>+#undef WITH_SAMFS
>+
> /* Whether to include sendfile() support */
> #undef WITH_SENDFILE
> 
>--- configure.in-1st	Thu Sep 11 07:28:09 2008
>+++ samba-3.0.32/source/configure.in	Thu Sep 11 17:42:40 2008
>@@ -305,6 +305,7 @@
> AC_SUBST(KRB5_LIBS)
> AC_SUBST(UUID_LIBS)
> AC_SUBST(LDAP_LIBS)
>+AC_SUBST(SAMFS_LIBS)
> AC_SUBST(PAM_MODULES)
> AC_SUBST(INSTALL_PAM_MODULES)
> AC_SUBST(UNINSTALL_PAM_MODULES)
>@@ -5494,6 +5495,28 @@
> )
> 
> #################################################
>+# check for samfs support
>+
>+#with_samfs_support=no
>+AC_MSG_CHECKING(whether to support samfs)
>+AC_ARG_WITH(samfs-support,
>+[  --with-samfs-support    Include Solaris SamFS support (default=no)],
>+[ case "$withval" in
>+  yes)
>+	AC_MSG_RESULT(yes)
>+	AC_DEFINE(WITH_SAMFS,1,[Whether to include Sun SamFS support])
>+	SAMFS_LIBS="-R/opt/SUNWsamfs/lib -zlazyload -lsam -znolazyload"
>+	;;
>+  *)
>+	AC_MSG_RESULT(no)
>+	SAMFS_LIBS=""
>+	;;
>+  esac ],
>+  AC_MSG_RESULT(no)
>+)
>+
>+
>+#################################################
> # check for sendfile support
> 
> with_sendfile_support=yes
>--- includes.h	Thu Sep 11 08:04:14 2008
>+++ samba-3.0.32/source/include/includes.h	Thu Sep 11 08:13:28 2008
>@@ -216,6 +216,31 @@
> #include <gssapi/gssapi_generic.h>
> #endif
> 
>+#ifdef WITH_SAMFS
>+/* Michael Adam <ma@sernet.de>: sun samfs stuff 
>+ *   should be included after sys/stat.h but this breaks compilation
>+ *   since some macros are undefined, some redefined differently.
>+ *   so I undo some defines done by samfs stat.h */
>+
>+#include <samfs/stat.h>
>+/* repare samfs-stat.h */
>+#undef S_ISUID
>+#define S_ISUID         0x800   /* set user id on execution */
>+#undef S_ISGID
>+#define S_ISGID         0x400   /* set group id on execution */
>+
>+#if !defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE) || \
>+	        defined(__EXTENSIONS__)
>+#define st_atime        st_atim.tv_sec
>+#define st_mtime        st_mtim.tv_sec
>+#define st_ctime        st_ctim.tv_sec
>+#else
>+#define st_atime        st_atim.__tv_sec
>+#define st_mtime        st_mtim.__tv_sec
>+#define st_ctime        st_ctim.__tv_sec
>+#endif /* !defined(_XOPEN_SOURCE) && !defined(_POSIX_C_SOURCE) || ... */
>+#endif /* defined WITH_SAMFS */
>+
> #if HAVE_COM_ERR_H
> #include <com_err.h>
> #endif
>--- makefile.in-1st	Thu Sep 11 07:49:05 2008
>+++ samba-3.0.32/source/Makefile.in	Thu Sep 11 08:00:55 2008
>@@ -42,6 +42,7 @@
> IDMAP_LIBS=@IDMAP_LIBS@
> KRB5LIBS=@KRB5_LIBS@
> LDAP_LIBS=@LDAP_LIBS@
>+SAMFS_LIBS=@SAMFS_LIBS@
> NSCD_LIBS=@NSCD_LIBS@
> UUID_LIBS=@UUID_LIBS@
> 
>@@ -235,6 +236,8 @@
> 
> TALLOC_OBJ = lib/talloc/talloc.o
> 
>+SAMFS_OBJ = smbd/samfs.o
>+
> LIB_WITHOUT_PROTO_OBJ = $(LIBREPLACE_OBJ) $(SOCKET_WRAPPER_OBJ) $(TALLOC_OBJ)
> 
> LIB_WITH_PROTO_OBJ = $(VERSION_OBJ) lib/charcnv.o lib/debug.o lib/fault.o \
>@@ -474,6 +477,7 @@
> 	       smbd/change_trust_pw.o smbd/fake_file.o \
> 	       smbd/quotas.o smbd/ntquotas.o $(AFS_OBJ) smbd/msdfs.o \
> 	       $(AFS_SETTOKEN_OBJ) smbd/aio.o smbd/statvfs.o \
>+	       $(SAMFS_OBJ) \
> 	       smbd/dmapi.o $(MANGLE_OBJ) @VFS_STATIC@
> 
> SMBD_OBJ_BASE = $(PARAM_OBJ) $(SMBD_OBJ_SRV) $(LIBSMB_OBJ) \
>@@ -966,7 +970,8 @@
> 	@echo Linking $@
> 	@$(CC) $(FLAGS) -o $@ $(SMBD_OBJ) $(LDFLAGS) $(LDAP_LIBS) \
> 		$(KRB5LIBS) $(DYNEXP) $(PRINT_LIBS) $(AUTH_LIBS) \
>-		$(ACL_LIBS) $(PASSDB_LIBS) $(LIBS) @POPTLIBS@ @SMBD_LIBS@
>+		$(ACL_LIBS) $(PASSDB_LIBS) $(SAMFS_LIBS) \
>+		$(LIBS) @POPTLIBS@ @SMBD_LIBS@
> 
> bin/nmbd@EXEEXT@: proto_exists $(NMBD_OBJ) @BUILD_POPT@ bin/.dummy
> 	@echo Linking $@
>--- loadparm.c	Thu Sep 11 08:19:03 2008
>+++ samba-3.0.32/source/param/loadparm.c	Thu Sep 11 08:24:32 2008
>@@ -449,6 +449,7 @@
> 	BOOL bProfileAcls;
> 	BOOL bMap_acl_inherit;
> 	BOOL bAfs_Share;
>+	BOOL bSamfs_Share;
> 	BOOL bEASupport;
> 	BOOL bAclCheckPermissions;
> 	BOOL bAclMapFullControl;
>@@ -592,6 +593,7 @@
> 	False,			/* bProfileAcls */
> 	False,			/* bMap_acl_inherit */
> 	False,			/* bAfs_Share */
>+	False,			/* bSamfs_Share */
> 	False,			/* bEASupport */
> 	True,			/* bAclCheckPermissions */
> 	True,			/* bAclMapFullControl */
>@@ -1015,6 +1017,7 @@
> 
> 	{"enable asu support", P_BOOL, P_GLOBAL, &Globals.bASUSupport, NULL, NULL, FLAG_ADVANCED}, 
> 	{"svcctl list", P_LIST, P_GLOBAL, &Globals.szServicesList, NULL, NULL, FLAG_ADVANCED},
>+	{"samfs share", P_BOOL, P_LOCAL, &sDefault.bSamfs_Share, NULL, NULL, FLAG_ADVANCED | FLAG_SHARE | FLAG_GLOBAL},
> 
> 	{N_("Tuning Options"), P_SEP, P_SEPARATOR}, 
> 
>@@ -2137,6 +2140,7 @@
> FN_LOCAL_BOOL(lp_profile_acls, bProfileAcls)
> FN_LOCAL_BOOL(lp_map_acl_inherit, bMap_acl_inherit)
> FN_LOCAL_BOOL(lp_afs_share, bAfs_Share)
>+FN_LOCAL_BOOL(lp_samfs_share, bSamfs_Share)
> FN_LOCAL_BOOL(lp_acl_check_permissions, bAclCheckPermissions)
> FN_LOCAL_BOOL(lp_acl_group_control, bAclGroupControl)
> FN_LOCAL_BOOL(lp_acl_map_full_control, bAclMapFullControl)
>--- dosmode.c	Thu Sep 11 08:26:11 2008
>+++ samba-3.0.32/source/smbd/dosmode.c	Thu Sep 11 08:27:43 2008
>@@ -406,6 +406,8 @@
> 		result |= aHIDDEN;
> 	}
> 
>+	result |= samfs_mode(conn, path);
>+
> 	DEBUG(8,("dos_mode returning "));
> 
> 	if (result & aHIDDEN) DEBUG(8, ("h"));
>@@ -414,6 +416,7 @@
> 	if (result & aDIR   ) DEBUG(8, ("d"));
> 	if (result & aARCH  ) DEBUG(8, ("a"));
> 	if (result & FILE_ATTRIBUTE_SPARSE ) DEBUG(8, ("[sparse]"));
>+	if (result & FILE_ATTRIBUTE_OFFLINE ) DEBUG(8, ("[offline]"));
> 	
> 	DEBUG(8,("\n"));
> 
>@@ -463,6 +466,15 @@
> 		return(0);
> 	}
> 
>+	if (samfs_make_file_worm(conn, fname, st, dosmode)) {
>+		DEBUG(5,("file_set_dosmode: samfs_make_file worm tells "\
>+			"me to use mode 0%o on file %s\n", unixmode, fname));
>+		unixmode = S_ISUID;
>+		/* I'm doing a direct chmod call here because SMB_VFS_CHMOD
>+		 * uses chmod_acl and this drops the SUID flag... */
>+		return chmod(fname, unixmode);
>+	}
>+
> 	/* Store the DOS attributes in an EA by preference. */
> 	if (set_ea_dos_attribute(conn, fname, st, dosmode)) {
> 		st->st_mode = unixmode;
>--- samfs.c	Mon Sep 22 19:58:36 2008
>+++ samba-3.0.32/source/smbd/samfs.c	Mon Sep 22 19:51:51 2008
>@@ -1,0 +1,211 @@
>+/* 
>+   Unix SMB/CIFS implementation.
>+   Solaris SamFS handling functions.
>+   Copyright (C) Michael Adam <ma@sernet.de> 2006
>+   
>+   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 2 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, write to the Free Software
>+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
>+*/
>+
>+#include "includes.h"
>+
>+/*
>+   This module implements a mapping of the Solaris SamFS Offline
>+   and WORM flags to dos-modes:
>+   
>+   - The offline flag is read from samfs_stat call and if set,
>+     the FILE_ATTRIBUTE_OFFLINE is added to the dosmode.
>+   
>+   - The offline flag can not be set by a samba-client.
>+     This is done by the releaser daemon.
>+
>+   - The WORM flag ist mapped bidirectionally to the system+readonly
>+     dosmode flags.
>+
>+ */
>+
>+#ifdef WITH_SAMFS
>+
>+#define WORM_TRIGGER (aRONLY|aSYSTEM)
>+
>+static BOOL samfs_worm_capable(const char *path, SMB_STRUCT_STAT *st);
>+
>+/*******************************************************************
>+ Get samfs flags from samfs stat call (offline and WORM)
>+ and map them to dos mode flags.
>+*******************************************************************/
>+uint32 samfs_mode(connection_struct *conn, const char *path)
>+{
>+        struct sam_stat file_info;
>+        struct sam_stat *segment_info;
>+        int num_segs;
>+        int num_segs_offline;
>+        int i;
>+        int sam_stat_result;
>+	uint32 mode = 0;
>+	pstring pathreal;
>+
>+	if (!lp_samfs_share(SNUM(conn))) {
>+		DEBUG(5,("samfs_mode: share '%s' is not a samfs share\n",
>+			lp_servicename(SNUM(conn))));
>+		goto SAMFS_MODE_EXIT;
>+	}
>+
>+	pstrcpy(pathreal,path);
>+	canonicalize_path(conn, pathreal);
>+	DEBUG(8,("samfs_mode: conn->dirpath '%s', fname '%s', pathreal '%s'\n", 
>+		conn->dirpath, path, pathreal));
>+	
>+	DEBUG(5,("samfs_mode: testing sam_stat properties of file %s\n",
>+		pathreal));
>+
>+	ZERO_STRUCT(file_info);
>+	sam_stat_result = sam_stat(pathreal, &file_info, sizeof(struct sam_stat));
>+	if (sam_stat_result != 0) {
>+		DEBUG(5,("samfs_mode: " \
>+			"sam_stat call on file %s returned " \
>+			"with error code %d\n", 
>+			pathreal, sam_stat_result));
>+		goto SAMFS_MODE_EXIT;
>+		
>+	}
>+	if (SS_ISOFFLINE(file_info.attr)) {
>+		DEBUG(5,("samfs_mode: file %s is offline\n", pathreal));
>+		mode |= FILE_ATTRIBUTE_OFFLINE;
>+	}
>+	if (SS_ISREADONLY(file_info.attr)) {
>+		DEBUG(5,("samfs_mode: file %s is a WORM file\n", pathreal));
>+		mode |= WORM_TRIGGER;
>+	}
>+	if (SS_ISSEGMENT_F(file_info.attr)) {
>+		DEBUG(5,("samfs_mode: file %s is segmented\n", pathreal));
>+                num_segs = NUM_SEGS(&file_info);
>+                printf("segmented (%d segments)\n", num_segs);
>+                segment_info = (struct sam_stat *)malloc(num_segs *
>+                                                sizeof(struct sam_stat));
>+                if (segment_info == NULL) {
>+                        DEBUG(5, ("samfs_mode: error allocating memory for " \
>+				"data segment stat info\n"));
>+                }
>+                memset((void *)segment_info, 0,
>+                        num_segs * sizeof(struct sam_stat));
>+                sam_stat_result = sam_segment_stat(pathreal, segment_info,
>+                                        num_segs * sizeof(struct sam_stat));
>+                if (sam_stat_result != 0) {
>+                        DEBUG(5,("samfs_mode: ERROR %d returned from " \
>+				"sam_segment_stat\n", sam_stat_result));
>+                }
>+                num_segs_offline = 0;
>+                for (i=0; i < num_segs; i++) {
>+                        if (SS_ISOFFLINE(segment_info[i].attr)) {
>+                                num_segs_offline++;
>+                        }
>+                }
>+                if (num_segs_offline) {
>+                        DEBUG(5,("samfs_stat: offline (%d segments offline)\n",
>+                                num_segs_offline));
>+			mode |= FILE_ATTRIBUTE_OFFLINE;
>+                }
>+		SAFE_FREE(segment_info);
>+	}
>+SAMFS_MODE_EXIT:
>+	DEBUG(5,("samfs_mode: returning 0x%x\n", mode));
>+	return mode;
>+}
>+
>+/*******************************************************************
>+ Check if the resulting mode triggers the convert-to-WORM action.
>+*******************************************************************/
>+BOOL samfs_make_file_worm(connection_struct *conn, const char *path,
>+	SMB_STRUCT_STAT *st, uint32 dosmode)
>+{
>+	pstring pathreal;
>+
>+        pstrcpy(pathreal,path);
>+        canonicalize_path(conn, pathreal);
>+
>+	if (!lp_samfs_share(SNUM(conn))) {
>+		DEBUG(5,("samfs_mode: '%s' is not a samfs share\n",
>+			lp_servicename(SNUM(conn))));
>+		return False;
>+	}
>+
>+	DEBUG(8,("samfs_make_file_worm: called with dosmode 0x%x for file %s\n",
>+		dosmode, path));
>+		
>+	if (!(dosmode & aDIR) && !samfs_worm_capable(pathreal, st)) {
>+		DEBUG(8,("samfs_make_worm_file: %s is not worm capable\n",
>+			pathreal));
>+		return False;
>+	}
>+	
>+	if ((dosmode & WORM_TRIGGER) != WORM_TRIGGER) {
>+		DEBUG(8,("samfs_make_worm_file: dos mode 0x%x " \
>+			"does not trigger WORM status\n", 
>+			dosmode));
>+		return False;
>+	}
>+	DEBUG(8,("samfs_make_file_worm: WORM status triggered for file %s\n",
>+		path));
>+	return True;
>+}
>+
>+/*******************************************************************
>+ Check if file is worm capable.
>+ (File is worm capable if parent dir is worm.)
>+*******************************************************************/
>+static BOOL samfs_worm_capable(const char *path, SMB_STRUCT_STAT *st)
>+{
>+	struct sam_stat file_info;
>+	int sam_stat_result;
>+	char *parent_dir = parent_dirname(path);
>+
>+	if (S_ISDIR(st->st_mode)) {
>+		return True;
>+	}
>+	
>+	ZERO_STRUCT(file_info);
>+	sam_stat_result = sam_stat(parent_dir, &file_info, 
>+				sizeof(struct sam_stat));
>+	if (sam_stat_result != 0) {
>+		DEBUG(5,("samfs_worm_capable: " \
>+			"sam_stat call on file %s returned " \
>+			"with error code %d\n", 
>+			parent_dir, sam_stat_result));
>+		return False;
>+	}
>+	if (SS_ISREADONLY(file_info.attr)) {
>+		return True;	
>+	}
>+	return False;
>+}
>+
>+#else /* defined WITH_SAMFS */
>+
>+/* provide stubs for configure without "--with-samfs-support" */
>+
>+uint32 samfs_mode(connection_struct *conn, const char *path)
>+{
>+	return 0;
>+}
>+
>+BOOL samfs_make_file_worm(connection_struct *conn, const char *path,
>+	SMB_STRUCT_STAT *st, uint32 dosmode)
>+{
>+	return False;
>+}
>+
>+#endif
>+
>+/* END  smbd/samfs.c */
>--- service.c	Wed Sep 17 17:17:30 2008
>+++ samba-3.0.32/source/smbd/service.c	Wed Sep 17 17:18:32 2008
>@@ -22,7 +22,7 @@
> 
> extern userdom_struct current_user_info;
> 
>-static BOOL canonicalize_path(connection_struct *conn, pstring path)
>+BOOL canonicalize_path(connection_struct *conn, pstring path)
> {
> #ifdef REALPATH_TAKES_NULL
> 	char *resolved_name = SMB_VFS_REALPATH(conn,path,NULL);

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Attachments on bug 5780: 3610 | 3866