daemon: Fix /dev/mapper paths from mounts and mountpoints (RHBZ#646432).

[libguestfs.git] / daemon / daemon.h

diff --git a/daemon/daemon.h b/daemon/daemon.h
index de598cd..e4e7159 100644 (file)
--- a/daemon/daemon.h
+++ b/daemon/daemon.h
@@ -21,6 +21,7 @@
 
 #include <stdio.h>
 #include <stdarg.h>
+#include <stdint.h>
 #include <errno.h>
 #include <unistd.h>
 
@@ -37,17 +38,21 @@ extern int sysroot_len;
 
 extern char *sysroot_path (const char *path);
 
+extern int is_root_device (const char *device);
+
 extern int xwrite (int sock, const void *buf, size_t len)
   __attribute__((__warn_unused_result__));
 extern int xread (int sock, void *buf, size_t len)
   __attribute__((__warn_unused_result__));
 
 extern int add_string (char ***argv, int *size, int *alloc, const char *str);
-extern int count_strings (char *const *argv);
+extern size_t count_strings (char *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 is_power_of_2 (unsigned long v);
+
 #define command(out,err,name,...) commandf((out),(err),0,(name),__VA_ARGS__)
 #define commandr(out,err,name,...) commandrf((out),(err),0,(name),__VA_ARGS__)
 #define commandv(out,err,argv) commandvf((out),(err),0,(argv))
@@ -119,6 +124,9 @@ extern struct optgroup optgroups[];
 /* Use this as a replacement for sync(2). */
 extern int sync_disks (void);
 
+/*-- in lvm.c --*/
+extern int lv_canonical (const char *device, char **ret);
+
 /*-- in proto.c --*/
 extern void main_loop (int sock) __attribute__((noreturn));
 
@@ -157,6 +165,12 @@ extern int send_file_end (int cancel);
 /* only call this if there is a FileOut parameter */
 extern void reply (xdrproc_t xdrp, char *ret);
 
+/* Notify progress to caller.  This function is self-rate-limiting so
+ * you can call it as often as necessary.  Actions which call this
+ * should add 'Progress' note in generator.
+ */
+extern void notify_progress (uint64_t position, uint64_t total);
+
 /* Helper for functions that need a root filesystem mounted.
  * NB. Cannot be used for FileIn functions.
  */
@@ -196,6 +210,8 @@ extern void reply (xdrproc_t xdrp, char *ret);
         reply_with_error ("%s: %s: expecting a device name", __func__, (path)); \
       fail_stmt;                                                       \
     }                                                                  \
+    if (is_root_device (path))                                          \
+      reply_with_error ("%s: %s: device not found", __func__, path);    \
     if (device_name_translation ((path)) == -1) {                       \
       int err = errno;                                                  \
       int r = cancel_stmt;                                              \