/* This is called for whole block devices. See if the device is an * ISO and we are able to read the ISO info from it. In that case, * try using libosinfo to map from the volume ID and other strings * directly to the operating system type. */ int guestfs_int_check_installer_iso (guestfs_h *g, struct inspect_fs *fs, const char *device) { CLEANUP_FREE_ISOINFO struct guestfs_isoinfo *isoinfo = NULL; const struct osinfo *osinfo; int r; guestfs_push_error_handler (g, NULL, NULL); isoinfo = guestfs_isoinfo_device (g, device); guestfs_pop_error_handler (g); if (!isoinfo) return 0; r = guestfs_int_osinfo_map (g, isoinfo, &osinfo); if (r == -1) /* Fatal error. */ return -1; if (r == 0) /* Could not locate any matching ISO. */ return 0; /* Otherwise we matched an ISO, so fill in the fs fields. */ fs->mountable = safe_strdup (g, device); fs->role = OS_ROLE_ROOT; if (osinfo->is_installer) fs->format = OS_FORMAT_INSTALLER; fs->type = osinfo->type; fs->distro = osinfo->distro; fs->product_name = osinfo->product_name ? safe_strdup (g, osinfo->product_name) : NULL; guestfs_int_version_from_values (&fs->version, osinfo->major_version, osinfo->minor_version, 0); fs->arch = osinfo->arch ? safe_strdup (g, osinfo->arch) : NULL; fs->is_live_disk = osinfo->is_live_disk; guestfs_int_check_package_format (g, fs); guestfs_int_check_package_management (g, fs); return 1; }
static int check_filesystem (guestfs_h *g, const char *mountable, const struct guestfs_internal_mountable *m, int whole_device) { int partnum = -1, nr_partitions = -1; /* Not CLEANUP_FREE, as it will be cleaned up with inspection info */ char *windows_systemroot = NULL; extend_fses (g); if (!whole_device && m->im_type == MOUNTABLE_DEVICE && guestfs_int_is_partition (g, m->im_device)) { if (get_partition_context (g, m->im_device, &partnum, &nr_partitions) == -1) return -1; } struct inspect_fs *fs = &g->fses[g->nr_fses-1]; fs->mountable = safe_strdup (g, mountable); /* Optimize some of the tests by avoiding multiple tests of the same thing. */ const int is_dir_etc = guestfs_is_dir (g, "/etc") > 0; const int is_dir_bin = guestfs_is_dir (g, "/bin") > 0; const int is_dir_share = guestfs_is_dir (g, "/share") > 0; /* Grub /boot? */ if (guestfs_is_file (g, "/grub/menu.lst") > 0 || guestfs_is_file (g, "/grub/grub.conf") > 0 || guestfs_is_file (g, "/grub2/grub.cfg") > 0) ; /* FreeBSD root? */ else if (is_dir_etc && is_dir_bin && guestfs_is_file (g, "/etc/freebsd-update.conf") > 0 && guestfs_is_file (g, "/etc/fstab") > 0) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLED; if (guestfs_int_check_freebsd_root (g, fs) == -1) return -1; } /* NetBSD root? */ else if (is_dir_etc && is_dir_bin && guestfs_is_file (g, "/netbsd") > 0 && guestfs_is_file (g, "/etc/fstab") > 0 && guestfs_is_file (g, "/etc/release") > 0) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLED; if (guestfs_int_check_netbsd_root (g, fs) == -1) return -1; } /* OpenBSD root? */ else if (is_dir_etc && is_dir_bin && guestfs_is_file (g, "/bsd") > 0 && guestfs_is_file (g, "/etc/fstab") > 0 && guestfs_is_file (g, "/etc/motd") > 0) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLED; if (guestfs_int_check_openbsd_root (g, fs) == -1) return -1; } /* Hurd root? */ else if (guestfs_is_file (g, "/hurd/console") > 0 && guestfs_is_file (g, "/hurd/hello") > 0 && guestfs_is_file (g, "/hurd/null") > 0) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLED; /* XXX could be more specific */ if (guestfs_int_check_hurd_root (g, fs) == -1) return -1; } /* Minix root? */ else if (is_dir_etc && is_dir_bin && guestfs_is_file (g, "/service/vm") > 0 && guestfs_is_file (g, "/etc/fstab") > 0 && guestfs_is_file (g, "/etc/version") > 0) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLED; if (guestfs_int_check_minix_root (g, fs) == -1) return -1; } /* Linux root? */ else if (is_dir_etc && (is_dir_bin || is_symlink_to (g, "/bin", "usr/bin") > 0) && (guestfs_is_file (g, "/etc/fstab") > 0 || guestfs_is_file (g, "/etc/hosts") > 0)) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLED; if (guestfs_int_check_linux_root (g, fs) == -1) return -1; } /* CoreOS root? */ else if (is_dir_etc && guestfs_is_dir (g, "/root") > 0 && guestfs_is_dir (g, "/home") > 0 && guestfs_is_dir (g, "/usr") > 0 && guestfs_is_file (g, "/etc/coreos/update.conf") > 0) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLED; if (guestfs_int_check_coreos_root (g, fs) == -1) return -1; } /* Linux /usr/local? */ else if (is_dir_etc && is_dir_bin && is_dir_share && guestfs_is_dir (g, "/local") == 0 && guestfs_is_file (g, "/etc/fstab") == 0) ; /* Linux /usr? */ else if (is_dir_etc && is_dir_bin && is_dir_share && guestfs_is_dir (g, "/local") > 0 && guestfs_is_file (g, "/etc/fstab") == 0) { if (guestfs_int_check_linux_usr (g, fs) == -1) return -1; } /* CoreOS /usr? */ else if (is_dir_bin && is_dir_share && guestfs_is_dir (g, "/local") > 0 && guestfs_is_dir (g, "/share/coreos") > 0) { if (guestfs_int_check_coreos_usr (g, fs) == -1) return -1; } /* Linux /var? */ else if (guestfs_is_dir (g, "/log") > 0 && guestfs_is_dir (g, "/run") > 0 && guestfs_is_dir (g, "/spool") > 0) ; /* Windows root? */ else if ((windows_systemroot = guestfs_int_get_windows_systemroot (g)) != NULL) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLED; if (guestfs_int_check_windows_root (g, fs, windows_systemroot) == -1) return -1; } /* Windows volume with installed applications (but not root)? */ else if (guestfs_int_is_dir_nocase (g, "/System Volume Information") > 0 && guestfs_int_is_dir_nocase (g, "/Program Files") > 0) ; /* Windows volume (but not root)? */ else if (guestfs_int_is_dir_nocase (g, "/System Volume Information") > 0) ; /* FreeDOS? */ else if (guestfs_int_is_dir_nocase (g, "/FDOS") > 0 && guestfs_int_is_file_nocase (g, "/FDOS/FREEDOS.BSS") > 0) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLED; fs->type = OS_TYPE_DOS; fs->distro = OS_DISTRO_FREEDOS; /* FreeDOS is a mix of 16 and 32 bit, but assume it requires a * 32 bit i386 processor. */ fs->arch = safe_strdup (g, "i386"); } /* Install CD/disk? * * Note that we checked (above) for an install ISO, but there are * other types of install image (eg. USB keys) which that check * wouldn't have picked up. * * Skip these checks if it's not a whole device (eg. CD) or the * first partition (eg. bootable USB key). */ else if ((whole_device || (partnum == 1 && nr_partitions == 1)) && (guestfs_is_file (g, "/isolinux/isolinux.cfg") > 0 || guestfs_is_dir (g, "/EFI/BOOT") > 0 || guestfs_is_file (g, "/images/install.img") > 0 || guestfs_is_dir (g, "/.disk") > 0 || guestfs_is_file (g, "/.discinfo") > 0 || guestfs_is_file (g, "/i386/txtsetup.sif") > 0 || guestfs_is_file (g, "/amd64/txtsetup.sif") > 0 || guestfs_is_file (g, "/freedos/freedos.ico") > 0 || guestfs_is_file (g, "/boot/loader.rc") > 0)) { fs->role = OS_ROLE_ROOT; fs->format = OS_FORMAT_INSTALLER; if (guestfs_int_check_installer_root (g, fs) == -1) return -1; } /* The above code should have set fs->type and fs->distro fields, so * we can now guess the package management system. */ guestfs_int_check_package_format (g, fs); guestfs_int_check_package_management (g, fs); return 0; }