Server : Apache/2.4.41 (Ubuntu) System : Linux journalup 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /lib/update-notifier/ |
#!/bin/sh # # helper to check if we actually have an ubuntu CD # # Returncode: # 0 - no ubuntu CD # 1 - CD with packages # 2 - dist-upgrader CD # 3 - aptoncd media # (if the returncodes change, make sure to update src/cdroms.c) # mount_point="$1" aptoncd_file="$mount_point/aptoncd.info" # sanity checks if [ -z "$mount_point" ]; then exit 0 fi if [ -f "$aptoncd_file" ]; then exit 3 fi if [ ! -d "$mount_point/ubuntu" ] && [ ! -f "$mount_point/cdromupgrade" ]; then exit 0 fi # check if there are "Packages" files on the cd (and ignore the # debian-installer dir) find "$mount_point/dists/" -name "Packages.gz" | grep -q -v debian-installer # 1 means "no lines were selected" in grep (no Packages file but the # debian-installer ones) if [ $? -eq 1 ]; then exit 0 fi # get some apt-config vars label_start=0 cdrom_id="" apt_dir="/" apt_state_dir="var/lib/apt/" apt_cdrom_list="cdrom.list" eval $(apt-config shell apt_dir Dir \ apt_state_dir Dir::State \ apt_cdrom_list Dir::State::cdroms) # identifying ... [afkdsjaf] line line=$(apt-cdrom -d="$1" -m ident|grep "\[.*\]") # remove the stuff before "Identifying... [dasjflkd]" -> "dasjflkd" line=${line%]*} cdrom_id=${line#*\[} if [ -z "$cdrom_id" ]; then # something bad happened here, we return "not yet scanned" as # fallback (because we are cheap) return 1 fi # [cdrom-id] -> cdrom-id if grep -s -q "$cdrom_id" $apt_dir$apt_state_dir$apt_cdrom_list; then # already in sources.list, ignore exit 0 fi # so this is a CD we don't know yet and it has packages. good! THIS_VERSION=$(lsb_release -sr) VERSION_ON_MEDIA=$(awk {'print $2'} "$mount_point/.disk/info") # now check if it contains a signed dist-upgrader for d in "$mount_point"/dists/*/main/dist-upgrader/binary-all/; do if [ -d "$d" ]; then # ok, we have one, now check the authentication GPG="gpgv --ignore-time-conflict --keyring /etc/apt/trusted.gpg" if $GPG "$d/"*.tar.gz.gpg "$d"/*.tar.gz; then # verified ok, we have a valid upgrader, if it was not ok, the # fallback to the end is ok because we still have packages on it if dpkg --compare-versions "$THIS_VERSION" lt "$VERSION_ON_MEDIA"; then exit 2 fi fi fi done # we got an ubuntu CD with packages if dpkg --compare-versions "$THIS_VERSION" lt "$VERSION_ON_MEDIA"; then exit 1 fi