#define GUESTFSD_DAEMON_H
#include <stdarg.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+
#include <rpc/types.h>
#include <rpc/xdr.h>
+#include "../src/guestfs_protocol.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 count_strings (char **argv);
+extern int xwrite (int sock, const void *buf, size_t len);
+extern int 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 * const* const argv);
+extern void sort_strings (char **argv, int len);
extern void free_strings (char **argv);
+extern void free_stringslen (char **argv, int len);
+
extern int command (char **stdoutput, char **stderror, const char *name, ...);
+extern int commandv (char **stdoutput, char **stderror,
+ char * const* const argv);
/* in proto.c */
extern int proc_nr;
/* in stubs.c (auto-generated) */
extern void dispatch_incoming_message (XDR *);
+extern guestfs_lvm_int_pv_list *parse_command_line_pvs (void);
+extern guestfs_lvm_int_vg_list *parse_command_line_vgs (void);
+extern guestfs_lvm_int_lv_list *parse_command_line_lvs (void);
/* in proto.c */
extern void main_loop (int sock);
extern void reply_with_perror (const char *fs, ...);
extern void reply (xdrproc_t xdrp, char *ret);
-#define NEED_ROOT \
+#define NEED_ROOT(errcode) \
do { \
if (!root_mounted) { \
reply_with_error ("%s: you must call 'mount' first to mount the root filesystem", __func__); \
- return -1; \
+ 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)
+
+#define IS_DEVICE(path,errcode) \
+ do { \
+ struct stat statbuf; \
+ if (strncmp ((path), "/dev/", 5) != 0) { \
+ reply_with_error ("%s: %s: expecting a device name", __func__, (path)); \
+ return (errcode); \
+ } \
+ if (stat ((path), &statbuf) == -1) { \
+ reply_with_perror ("%s: %s", __func__, (path)); \
+ 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.
+ * (4) CHROOT_OUT does not affect errno.
*/
#define CHROOT_IN chroot ("/sysroot");
-#define CHROOT_OUT chroot (".");
+#define CHROOT_OUT \
+ do { int old_errno = errno; chroot ("."); errno = old_errno; } while (0)
+
+#define XXX_NOT_IMPL(errcode) \
+ do { \
+ reply_with_error ("%s: function not implemented", __func__); \
+ return (errcode); \
+ } \
+ while (0)
#endif /* GUESTFSD_DAEMON_H */