On 11/24/2011 12:03 PM, Richard W.M. Jones wrote:
On Wed, Nov 23, 2011 at 02:00:55PM +0000, Matthew Booth wrote:
static int -inspect_with_augeas (guestfs_h *g, struct inspect_fs *fs, const char *filename, +inspect_with_augeas (guestfs_h *g, struct inspect_fs *fs, + const char **configfiles, int (*f) (guestfs_h *, struct inspect_fs *)) { - /* Security: Refuse to do this if filename is too large. */ - int64_t size = guestfs_filesize (g, filename); - if (size == -1) - /* guestfs_filesize failed and has already set error in handle */ - return -1; - if (size> MAX_AUGEAS_FILE_SIZE) { - error (g, _("size of %s is unreasonably large (%" PRIi64 " bytes)"), - filename, size); - return -1; + /* Security: Refuse to do this if a config file is too large. */ + for (const char **i = configfiles; *i != NULL; i++) { + if (guestfs_exists(g, *i) == 0) continue; + + int64_t size = guestfs_filesize (g, *i); + if (size == -1) + /* guestfs_filesize failed and has already set error in handle */ + return -1; + if (size> MAX_AUGEAS_FILE_SIZE) { + error (g, _("size of %s is unreasonably large (%" PRIi64 " bytes)"), + *i, size); + return -1; + } }
This appears to remove the security check on 'filename' being too large.
It checks all files and will return an error if any of them is too large. Matt -- Matthew Booth, RHCA, RHCSS Red Hat Engineering, Virtualisation Team GPG ID: D33C3490 GPG FPR: 3733 612D 2D05 5458 8A8A 1600 3441 EA19 D33C 3490