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/* libguestfs - the guestfsd daemon
* Copyright (C) 2009 Red Hat Inc.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef GUESTFSD_DAEMON_H
#define GUESTFSD_DAEMON_H
#include <stdarg.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
/* in guestfsd.c */
extern void xwrite (int sock, const void *buf, size_t len);
extern void xread (int sock, void *buf, size_t len);
extern int add_string (char ***argv, int *size, int *alloc, const char *str);
extern int count_strings (char **argv);
extern void free_strings (char **argv);
extern int command (char **stdoutput, char **stderror, const char *name, ...);
/* in proto.c */
extern int proc_nr;
extern int serial;
/* in mount.c */
extern int root_mounted;
/* in stubs.c (auto-generated) */
extern void dispatch_incoming_message (XDR *);
/* in proto.c */
extern void main_loop (int sock);
extern void reply_with_error (const char *fs, ...);
extern void reply_with_perror (const char *fs, ...);
extern void reply (xdrproc_t xdrp, char *ret);
#define NEED_ROOT(errcode) \
do { \
if (!root_mounted) { \
reply_with_error ("%s: you must call 'mount' first to mount the root filesystem", __func__); \
return (errcode); \
} \
} \
while (0)
#define ABS_PATH(path,errcode) \
do { \
if ((path)[0] != '/') { \
reply_with_error ("%s: path must start with a / character", __func__); \
return (errcode); \
} \
} while (0)
/* NB:
* (1) You must match CHROOT_IN and CHROOT_OUT even along error paths.
* (2) You must not change directory! cwd must always be "/", otherwise
* we can't escape our own chroot.
* (3) All paths specified must be absolute.
*/
#define CHROOT_IN chroot ("/sysroot");
#define CHROOT_OUT chroot (".");
#endif /* GUESTFSD_DAEMON_H */
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