X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=src%2Fguestfs-internal.h;h=99a04045705b7144baadcb2fec111720d21fb6a8;hp=46576bb2d4c1923c3e2d53a802d709b4f248ce0c;hb=c79ba93f7e53f6a62b5793ba35f1c3b13527eef6;hpb=13d8963d8c0203e1f72c519e5acf79ebf7cccb4c

diff --git a/src/guestfs-internal.h b/src/guestfs-internal.h
index 46576bb..99a0404 100644
--- a/src/guestfs-internal.h
+++ b/src/guestfs-internal.h
@@ -60,6 +60,38 @@
 #define xdr_uint32_t xdr_u_int32_t
 #endif
 
+/* Some limits on what the inspection code will read, for safety. */
+
+/* Small text configuration files.
+ *
+ * The upper limit is for general files that we grep or download.  The
+ * largest such file is probably "txtsetup.sif" from Windows CDs
+ * (~500K).  This number has to be larger than any legitimate file and
+ * smaller than the protocol message size.
+ *
+ * The lower limit is for files parsed by Augeas on the daemon side,
+ * where Augeas is running in reduced memory and can potentially
+ * create a lot of metadata so we really need to be careful about
+ * those.
+ */
+#define MAX_SMALL_FILE_SIZE    (2 * 1000 * 1000)
+#define MAX_AUGEAS_FILE_SIZE        (100 * 1000)
+
+/* Maximum Windows Registry hive that we will download to /tmp.  Some
+ * registries can be legitimately very large.
+ */
+#define MAX_REGISTRY_SIZE    (100 * 1000 * 1000)
+
+/* Maximum RPM or dpkg database we will download to /tmp.  RPM
+ * 'Packages' database can get very large: 70 MB is roughly the
+ * standard size for a new Fedora install, and after lots of package
+ * installation/removal I have seen well over 100 MB databases.
+ */
+#define MAX_PKG_DB_SIZE       (300 * 1000 * 1000)
+
+/* Maximum size of Windows explorer.exe.  2.6MB on Windows 7. */
+#define MAX_WINDOWS_EXPLORER_SIZE (4 * 1000 * 1000)
+
 /* Network configuration of the appliance.  Note these addresses are
  * only meaningful within the context of the running appliance.  QEMU
  * translates network connections to these magic addresses into
@@ -118,7 +150,7 @@ struct guestfs_h
   char *qemu_help, *qemu_version; /* Output of qemu -help, qemu -version. */
 
   char **cmdline;		/* Qemu command line. */
-  int cmdline_size;
+  size_t cmdline_size;
 
   int verbose;
   int trace;
@@ -138,6 +170,8 @@ struct guestfs_h
 
   int selinux;                  /* selinux enabled? */
 
+  int pgroup;                   /* Create process group for children? */
+
   char *last_error;
   int last_errnum;              /* errno, or 0 if there was no errno */
 
@@ -166,6 +200,11 @@ struct guestfs_h
   FILE *trace_fp;
   char *trace_buf;
   size_t trace_len;
+
+  /* User cancelled transfer.  Not signal-atomic, but it doesn't
+   * matter for this case because we only care if it is != 0.
+   */
+  int user_cancel;
 };
 
 /* Per-filesystem data stored for inspect_os. */
@@ -212,6 +251,8 @@ enum inspect_os_distro {
   OS_DISTRO_LINUX_MINT,
   OS_DISTRO_MANDRIVA,
   OS_DISTRO_SLACKWARE,
+  OS_DISTRO_CENTOS,
+  OS_DISTRO_SCIENTIFIC_LINUX,
 };
 
 enum inspect_os_package_format {
@@ -315,11 +356,28 @@ extern int guestfs___match3 (guestfs_h *g, const char *str, const pcre *re, char
 #endif
 extern int guestfs___feature_available (guestfs_h *g, const char *feature);
 extern void guestfs___free_string_list (char **);
-extern int guestfs___checkpoint_cmdline (guestfs_h *g);
-extern void guestfs___rollback_cmdline (guestfs_h *g, int pos);
+extern size_t guestfs___checkpoint_cmdline (guestfs_h *g);
+extern void guestfs___rollback_cmdline (guestfs_h *g, size_t pos);
 extern void guestfs___call_callbacks_void (guestfs_h *g, uint64_t event);
 extern void guestfs___call_callbacks_message (guestfs_h *g, uint64_t event, const char *buf, size_t buf_len);
 extern void guestfs___call_callbacks_array (guestfs_h *g, uint64_t event, const uint64_t *array, size_t array_len);
+#if defined(HAVE_PCRE) && defined(HAVE_HIVEX)
+extern int guestfs___check_for_filesystem_on (guestfs_h *g, const char *device, int is_block, int is_partnum);
+extern char *guestfs___download_to_tmp (guestfs_h *g, struct inspect_fs *fs, const char *filename, const char *basename, int64_t max_size);
+extern char *guestfs___case_sensitive_path_silently (guestfs_h *g, const char *);
+extern struct inspect_fs *guestfs___search_for_root (guestfs_h *g, const char *root);
+extern int guestfs___parse_unsigned_int (guestfs_h *g, const char *str);
+extern int guestfs___parse_unsigned_int_ignore_trailing (guestfs_h *g, const char *str);
+extern int guestfs___parse_major_minor (guestfs_h *g, struct inspect_fs *fs);
+extern char *guestfs___first_line_of_file (guestfs_h *g, const char *filename);
+extern int guestfs___first_egrep_of_file (guestfs_h *g, const char *filename, const char *eregex, int iflag, char **ret);
+typedef int (*guestfs___db_dump_callback) (guestfs_h *g, const unsigned char *key, size_t keylen, const unsigned char *value, size_t valuelen, void *opaque);
+extern int guestfs___read_db_dump (guestfs_h *g, const char *dumpfile, void *opaque, guestfs___db_dump_callback callback);
+extern int guestfs___check_installer_root (guestfs_h *g, struct inspect_fs *fs);
+extern int guestfs___check_linux_root (guestfs_h *g, struct inspect_fs *fs);
+extern int guestfs___check_freebsd_root (guestfs_h *g, struct inspect_fs *fs);
+extern int guestfs___check_windows_root (guestfs_h *g, struct inspect_fs *fs);
+#endif
 
 #define error(g,...) guestfs_error_errno((g),0,__VA_ARGS__)
 #define perrorf guestfs_perrorf