diff options
Diffstat (limited to 'libdiskfs/priv.h')
| -rw-r--r-- | libdiskfs/priv.h | 68 |
1 files changed, 44 insertions, 24 deletions
diff --git a/libdiskfs/priv.h b/libdiskfs/priv.h index 0f14ca3a..07464d56 100644 --- a/libdiskfs/priv.h +++ b/libdiskfs/priv.h @@ -1,5 +1,7 @@ /* Private declarations for fileserver library - Copyright (C) 1994, 1995, 1996 Free Software Foundation + + Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2006, 2009 Free + Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as @@ -20,18 +22,51 @@ #include <mach.h> #include <hurd.h> +#include <sys/mman.h> #include <hurd/ports.h> #include <hurd/fshelp.h> #include <hurd/iohelp.h> +#include <hurd/port.h> #include <assert.h> +#include <argp.h> #include "diskfs.h" -extern mach_port_t fs_control_port; /* receive right */ +/* These inhibit setuid or exec. */ +extern int _diskfs_nosuid, _diskfs_noexec; + +/* This relaxes the requirement to set `st_atim'. */ +extern int _diskfs_noatime; + +/* This enables SysV style group behaviour. New nodes inherit the GID + of the user creating them unless the SGID bit is set of the parent + directory. */ +extern int _diskfs_no_inherit_dir_group; + +/* This is the -C argument value. */ +extern char *_diskfs_chroot_directory; + +/* If --boot-command is given, this points to the program and args. */ +extern char **_diskfs_boot_command; + +/* Port cell holding a cached port to the exec server. */ +extern struct hurd_port _diskfs_exec_portcell; volatile struct mapped_time_value *_diskfs_mtime; -extern struct argp_option diskfs_common_options[]; +extern const struct argp_option diskfs_common_options[]; +/* Option keys for long-only options in diskfs_common_options. */ +#define OPT_SUID_OK 600 /* --suid-ok */ +#define OPT_EXEC_OK 601 /* --exec-ok */ +#define OPT_ATIME 602 /* --atime */ +#define OPT_NO_INHERIT_DIR_GROUP 603 /* --no-inherit-dir-group */ +#define OPT_INHERIT_DIR_GROUP 604 /* --inherit-dir-group */ + +/* Common value for diskfs_common_options and diskfs_default_sync_interval. */ +#define DEFAULT_SYNC_INTERVAL 5 +#define DEFAULT_SYNC_INTERVAL_STRING STRINGIFY(DEFAULT_SYNC_INTERVAL) +#define STRINGIFY(x) STRINGIFY_1(x) +#define STRINGIFY_1(x) #x /* Diskfs thinks the disk is dirty if this is set. */ extern int _diskfs_diskdirty; @@ -39,25 +74,6 @@ extern int _diskfs_diskdirty; /* Needed for MiG. */ typedef struct protid *protid_t; -/* Called by MiG to translate ports into struct protid *. - fsmutations.h arranges for this to happen for the io and - fs interfaces. */ -extern inline struct protid * -begin_using_protid_port (file_t port) -{ - return ports_lookup_port (diskfs_port_bucket, port, diskfs_protid_class); -} - -/* Called by MiG after server routines have been run; this - balances begin_using_protid_port, and is arranged for the io - and fs interfaces by fsmutations.h. */ -extern inline void -end_using_protid_port (struct protid *cred) -{ - if (cred) - ports_port_deref (cred); -} - /* Actually read or write a file. The file size must already permit the requested access. NP is the file to read/write. DATA is a buffer to write from or fill on read. OFFSET is the absolute address (-1 @@ -72,6 +88,9 @@ error_t _diskfs_rdwr_internal (struct node *np, char *data, off_t offset, and auth ports). */ void _diskfs_init_completed (void); +/* Called in a bootstrap filesystem only, to get the privileged ports. */ +void _diskfs_boot_privports (void); + /* Clean routine for control port. */ void _diskfs_control_clean (void *); @@ -97,7 +116,7 @@ extern fshelp_fetch_root_callback2_t _diskfs_translator_callback2; if (!(PROTID)) \ return EOPNOTSUPP; \ \ - if (diskfs_readonly) \ + if (diskfs_check_readonly ()) \ return EROFS; \ \ np = (PROTID)->po->np; \ @@ -114,6 +133,7 @@ extern fshelp_fetch_root_callback2_t _diskfs_translator_callback2; #define HONORED_STATE_MODES (O_APPEND|O_ASYNC|O_FSYNC|O_NONBLOCK|O_NOATIME) /* Bits that are turned off after open */ -#define OPENONLY_STATE_MODES (O_CREAT|O_EXCL|O_NOLINK|O_NOTRANS|O_NONBLOCK) +#define OPENONLY_STATE_MODES \ + (O_CREAT|O_EXCL|O_NOLINK|O_NOTRANS|O_NONBLOCK|O_EXLOCK|O_SHLOCK) #endif |