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#ifndef _system_filesys_h
#define _system_filesys_h
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/*
Unix SMB/CIFS implementation.
filesystem system include wrappers
Copyright (C) Andrew Tridgell 2004
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** NOTE! The following LGPL license applies to the replace
** library. This does NOT imply that all of Samba is released
** under the LGPL
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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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <sys/stat.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_MNTENT_H
#include <mntent.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
#ifdef HAVE_SYS_ACL_H
#include <sys/acl.h>
#endif
#ifdef HAVE_ACL_LIBACL_H
#include <acl/libacl.h>
#endif
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#ifdef HAVE_SYS_FS_S5PARAM_H
#include <sys/fs/s5param.h>
#endif
#if defined (HAVE_SYS_FILSYS_H) && !defined (_CRAY)
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#include <sys/filsys.h>
#endif
#ifdef HAVE_SYS_STATFS_H
# include <sys/statfs.h>
#endif
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#ifdef HAVE_DUSTAT_H
#include <sys/dustat.h>
#endif
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#ifdef HAVE_SYS_STATVFS_H
#include <sys/statvfs.h>
#endif
#ifdef HAVE_SYS_FILIO_H
#include <sys/filio.h>
#endif
#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#else
#ifdef HAVE_SYS_FCNTL_H
#include <sys/fcntl.h>
#endif
#endif
#ifdef HAVE_SYS_MODE_H
/* apparently AIX needs this for S_ISLNK */
#ifndef S_ISLNK
#include <sys/mode.h>
#endif
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_SYS_UIO_H
#include <sys/uio.h>
#endif
/* mutually exclusive (SuSE 8.2) */
lib/replace: prefer <sys/xattr.h> over <attr/xattr.h> This prevents the following compile error that may happens if "system/filesys.h" is included before "system/capability.h" on Ubuntu 16.04: [1802/4407] Compiling source3/lib/system.c In file included from ../../lib/replace/system/filesys.h:112:0, from ../../source3/include/vfs.h:29, from ../../source3/include/smb.h:150, from ../../source3/include/includes.h:284, from ../../source3/lib/system.c:23: /usr/include/x86_64-linux-gnu/sys/xattr.h:32:3: error: expected identifier before numeric constant XATTR_CREATE = 1, /* set value, fail if attr already exists. */ ^ The above error is from compiling a source tree which includes a change that adds an include "system/filesys.h" to the top of "source3/include/vfs.h". "source3/lib/system.c" has the following includes: #include "includes.h" #include "system/syslog.h" #include "system/capability.h" #include "system/passwd.h" #include "system/filesys.h" #include "../lib/util/setid.h" The first include of "includes.h" pulls in "vfs.h" which will pull in "system/filesys.h" with the mentioned change. "system/filesys.h" pulls in <attr/xattr.h> which has this define #define XATTR_CREATE 0x1 Later in "source3/lib/system.c" "system/capability.h" is included which includes <sys/xattr.h> on Ubuntu 16.04 (not in later versions of glibc). This defines the XATTR_* values as an enum: enum { XATTR_CREATE = 1, /* set value, fail if attr already exists. */ XATTR_REPLACE = 2 /* set value, fail if attr does not exist. */ }; The previous define of XATTR_CREATE as 1 makes this enum { 1 = 1, /* set value, fail if attr already exists. */ 2 = 2 /* set value, fail if attr does not exist. */ }; which is invalid C. The compiler error diagnostic is a bit confusing, as it prints the original enum from the include file. See also: <https://bugs.freedesktop.org/show_bug.cgi?id=78741> <https://bugs.launchpad.net/ubuntu/+source/attr/+bug/1288091> <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=756097> Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Björn Baumbach <bb@samba.org>
2019-12-14 18:35:51 +01:00
#if defined(HAVE_SYS_XATTR_H)
#include <sys/xattr.h>
lib/replace: prefer <sys/xattr.h> over <attr/xattr.h> This prevents the following compile error that may happens if "system/filesys.h" is included before "system/capability.h" on Ubuntu 16.04: [1802/4407] Compiling source3/lib/system.c In file included from ../../lib/replace/system/filesys.h:112:0, from ../../source3/include/vfs.h:29, from ../../source3/include/smb.h:150, from ../../source3/include/includes.h:284, from ../../source3/lib/system.c:23: /usr/include/x86_64-linux-gnu/sys/xattr.h:32:3: error: expected identifier before numeric constant XATTR_CREATE = 1, /* set value, fail if attr already exists. */ ^ The above error is from compiling a source tree which includes a change that adds an include "system/filesys.h" to the top of "source3/include/vfs.h". "source3/lib/system.c" has the following includes: #include "includes.h" #include "system/syslog.h" #include "system/capability.h" #include "system/passwd.h" #include "system/filesys.h" #include "../lib/util/setid.h" The first include of "includes.h" pulls in "vfs.h" which will pull in "system/filesys.h" with the mentioned change. "system/filesys.h" pulls in <attr/xattr.h> which has this define #define XATTR_CREATE 0x1 Later in "source3/lib/system.c" "system/capability.h" is included which includes <sys/xattr.h> on Ubuntu 16.04 (not in later versions of glibc). This defines the XATTR_* values as an enum: enum { XATTR_CREATE = 1, /* set value, fail if attr already exists. */ XATTR_REPLACE = 2 /* set value, fail if attr does not exist. */ }; The previous define of XATTR_CREATE as 1 makes this enum { 1 = 1, /* set value, fail if attr already exists. */ 2 = 2 /* set value, fail if attr does not exist. */ }; which is invalid C. The compiler error diagnostic is a bit confusing, as it prints the original enum from the include file. See also: <https://bugs.freedesktop.org/show_bug.cgi?id=78741> <https://bugs.launchpad.net/ubuntu/+source/attr/+bug/1288091> <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=756097> Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Björn Baumbach <bb@samba.org>
2019-12-14 18:35:51 +01:00
#elif defined(HAVE_ATTR_XATTR_H)
#include <attr/xattr.h>
#elif defined(HAVE_SYS_ATTRIBUTES_H)
#include <sys/attributes.h>
#elif defined(HAVE_ATTR_ATTRIBUTES_H)
#include <attr/attributes.h>
#endif
#ifdef HAVE_SYS_EA_H
#include <sys/ea.h>
#endif
#ifdef HAVE_SYS_EXTATTR_H
#include <sys/extattr.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#ifndef XATTR_CREATE
#define XATTR_CREATE 0x1 /* set value, fail if attr already exists */
#endif
#ifndef XATTR_REPLACE
#define XATTR_REPLACE 0x2 /* set value, fail if attr does not exist */
#endif
/* Some POSIX definitions for those without */
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#ifndef S_IFDIR
#define S_IFDIR 0x4000
#endif
#ifndef S_ISDIR
#define S_ISDIR(mode) ((mode & 0xF000) == S_IFDIR)
#endif
#ifndef S_IRWXU
#define S_IRWXU 00700 /* read, write, execute: owner */
#endif
#ifndef S_IRUSR
#define S_IRUSR 00400 /* read permission: owner */
#endif
#ifndef S_IWUSR
#define S_IWUSR 00200 /* write permission: owner */
#endif
#ifndef S_IXUSR
#define S_IXUSR 00100 /* execute permission: owner */
#endif
#ifndef S_IRWXG
#define S_IRWXG 00070 /* read, write, execute: group */
#endif
#ifndef S_IRGRP
#define S_IRGRP 00040 /* read permission: group */
#endif
#ifndef S_IWGRP
#define S_IWGRP 00020 /* write permission: group */
#endif
#ifndef S_IXGRP
#define S_IXGRP 00010 /* execute permission: group */
#endif
#ifndef S_IRWXO
#define S_IRWXO 00007 /* read, write, execute: other */
#endif
#ifndef S_IROTH
#define S_IROTH 00004 /* read permission: other */
#endif
#ifndef S_IWOTH
#define S_IWOTH 00002 /* write permission: other */
#endif
#ifndef S_IXOTH
#define S_IXOTH 00001 /* execute permission: other */
#endif
#ifndef O_ACCMODE
#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
#endif
#ifndef MAXPATHLEN
#define MAXPATHLEN 256
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
#ifdef _WIN32
#define mkdir(d,m) _mkdir(d)
#endif
#ifdef DISABLE_OPATH
#undef O_PATH
#endif
/*
this allows us to use a uniform error handling for our xattr
wrappers
*/
#ifndef ENOATTR
#define ENOATTR ENODATA
#endif
#if !defined(HAVE_XATTR_XATTR) || defined(XATTR_ADDITIONAL_OPTIONS)
ssize_t rep_getxattr (const char *path, const char *name, void *value, size_t size);
#define getxattr(path, name, value, size) rep_getxattr(path, name, value, size)
/* define is in "replace.h" */
ssize_t rep_fgetxattr (int filedes, const char *name, void *value, size_t size);
#define fgetxattr(filedes, name, value, size) rep_fgetxattr(filedes, name, value, size)
/* define is in "replace.h" */
ssize_t rep_listxattr (const char *path, char *list, size_t size);
#define listxattr(path, list, size) rep_listxattr(path, list, size)
/* define is in "replace.h" */
ssize_t rep_flistxattr (int filedes, char *list, size_t size);
#define flistxattr(filedes, value, size) rep_flistxattr(filedes, value, size)
/* define is in "replace.h" */
int rep_removexattr (const char *path, const char *name);
#define removexattr(path, name) rep_removexattr(path, name)
/* define is in "replace.h" */
int rep_fremovexattr (int filedes, const char *name);
#define fremovexattr(filedes, name) rep_fremovexattr(filedes, name)
/* define is in "replace.h" */
int rep_setxattr (const char *path, const char *name, const void *value, size_t size, int flags);
#define setxattr(path, name, value, size, flags) rep_setxattr(path, name, value, size, flags)
/* define is in "replace.h" */
int rep_fsetxattr (int filedes, const char *name, const void *value, size_t size, int flags);
#define fsetxattr(filedes, name, value, size, flags) rep_fsetxattr(filedes, name, value, size, flags)
/* define is in "replace.h" */
#endif /* !defined(HAVE_XATTR_XATTR) || defined(XATTR_ADDITIONAL_OPTIONS) */
#endif