diff options
author | Emily <vcs@emily.moe> | 2020-03-14 18:29:08 +0000 |
---|---|---|
committer | Emily <vcs@emily.moe> | 2020-03-25 08:26:50 +0000 |
commit | d930466b7728e5515991cb73c060fc3f32bdc001 (patch) | |
tree | fccf4df70689dbf469d9ebae5a88e410d282702a /nixos | |
parent | 01914e619f466d93d91ab6e563b17b9357f4a63a (diff) |
nixos/initrd-ssh: switch from Dropbear to OpenSSH
Dropbear lags behind OpenSSH significantly in both support for modern key formats like `ssh-ed25519`, let alone the recently-introduced U2F/FIDO2-based `sk-ssh-ed25519@openssh.com` (as I found when I switched my `authorizedKeys` over to it and promptly locked myself out of my server's initrd SSH, breaking reboots), as well as security features like multiprocess isolation. Using the same SSH daemon for stage-1 and the main system ensures key formats will always remain compatible, as well as more conveniently allowing the sharing of configuration and host keys. The main reason to use Dropbear over OpenSSH would be initrd space concerns, but NixOS initrds are already large (17 MiB currently on my server), and the size difference between the two isn't huge (the test's initrd goes from 9.7 MiB to 12 MiB with this change). If the size is still a problem, then it would be easy to shrink sshd down to a few hundred kilobytes by using an initrd-specific build that uses musl and disables things like Kerberos support. This passes the test and works on my server, but more rigorous testing and review from people who use initrd SSH would be appreciated!
Diffstat (limited to 'nixos')
-rw-r--r-- | nixos/doc/manual/release-notes/rl-2009.xml | 17 | ||||
-rw-r--r-- | nixos/modules/system/boot/initrd-ssh.nix | 178 | ||||
-rw-r--r-- | nixos/modules/system/boot/stage-1.nix | 5 | ||||
-rw-r--r-- | nixos/tests/initrd-network-ssh/default.nix | 22 | ||||
-rw-r--r-- | nixos/tests/initrd-network-ssh/dropbear.priv | bin | 1573 -> 0 bytes | |||
-rw-r--r-- | nixos/tests/initrd-network-ssh/dropbear.pub | 1 | ||||
-rw-r--r-- | nixos/tests/initrd-network-ssh/generate-keys.nix | 8 | ||||
-rw-r--r-- | nixos/tests/initrd-network-ssh/id_ed25519 | 7 | ||||
-rw-r--r-- | nixos/tests/initrd-network-ssh/id_ed25519.pub | 1 | ||||
-rw-r--r-- | nixos/tests/initrd-network-ssh/openssh.priv | 51 | ||||
-rw-r--r-- | nixos/tests/initrd-network-ssh/openssh.pub | 1 | ||||
-rw-r--r-- | nixos/tests/initrd-network-ssh/ssh_host_ed25519_key | 7 | ||||
-rw-r--r-- | nixos/tests/initrd-network-ssh/ssh_host_ed25519_key.pub | 1 |
13 files changed, 180 insertions, 119 deletions
diff --git a/nixos/doc/manual/release-notes/rl-2009.xml b/nixos/doc/manual/release-notes/rl-2009.xml index a9a6003d1e8a0..85a7f9c9871f2 100644 --- a/nixos/doc/manual/release-notes/rl-2009.xml +++ b/nixos/doc/manual/release-notes/rl-2009.xml @@ -108,6 +108,23 @@ <link linkend="opt-security.duosec.integrationKey">security.duosec.integrationKey</link>. </para> </listitem> + <listitem> + <para> + The initrd SSH support now uses OpenSSH rather than Dropbear to + allow the use of Ed25519 keys and other OpenSSH-specific + functionality. Host keys must now be in the OpenSSH format, and at + least one pre-generated key must be specified. + </para> + <para> + If you used the <option>boot.initrd.network.ssh.host*Key</option> + options, you'll get an error explaining how to convert your host + keys and migrate to the new + <option>boot.initrd.network.ssh.hostKeys</option> option. + Otherwise, if you don't have any host keys set, you'll need to + generate some; see the <option>hostKeys</option> option + documentation for instructions. + </para> + </listitem> </itemizedlist> </section> diff --git a/nixos/modules/system/boot/initrd-ssh.nix b/nixos/modules/system/boot/initrd-ssh.nix index 2d3e3b05c9807..d40c1010e73cc 100644 --- a/nixos/modules/system/boot/initrd-ssh.nix +++ b/nixos/modules/system/boot/initrd-ssh.nix @@ -10,19 +10,21 @@ in { - options = { - - boot.initrd.network.ssh.enable = mkOption { + options.boot.initrd.network.ssh = { + enable = mkOption { type = types.bool; default = false; description = '' Start SSH service during initrd boot. It can be used to debug failing boot on a remote server, enter pasphrase for an encrypted partition etc. Service is killed when stage-1 boot is finished. + + The sshd configuration is largely inherited from + <option>services.openssh</option>. ''; }; - boot.initrd.network.ssh.port = mkOption { + port = mkOption { type = types.int; default = 22; description = '' @@ -30,7 +32,7 @@ in ''; }; - boot.initrd.network.ssh.shell = mkOption { + shell = mkOption { type = types.str; default = "/bin/ash"; description = '' @@ -38,95 +40,163 @@ in ''; }; - boot.initrd.network.ssh.hostRSAKey = mkOption { - type = types.nullOr types.path; - default = null; - description = '' - RSA SSH private key file in the Dropbear format. - - WARNING: Unless your bootloader supports initrd secrets, this key is - contained insecurely in the global Nix store. Do NOT use your regular - SSH host private keys for this purpose or you'll expose them to - regular users! - ''; - }; - - boot.initrd.network.ssh.hostDSSKey = mkOption { - type = types.nullOr types.path; - default = null; + hostKeys = mkOption { + type = types.listOf (types.either types.str types.path); + default = []; + example = [ + "/etc/secrets/initrd/ssh_host_rsa_key" + "/etc/secrets/initrd/ssh_host_ed25519_key" + ]; description = '' - DSS SSH private key file in the Dropbear format. - - WARNING: Unless your bootloader supports initrd secrets, this key is - contained insecurely in the global Nix store. Do NOT use your regular - SSH host private keys for this purpose or you'll expose them to - regular users! + Specify SSH host keys to import into the initrd. + + To generate keys, use + <citerefentry><refentrytitle>ssh-keygen</refentrytitle><manvolnum>1</manvolnum></citerefentry>: + + <screen> + <prompt># </prompt>ssh-keygen -t rsa -N "" -f /etc/secrets/initrd/ssh_host_rsa_key + <prompt># </prompt>ssh-keygen -t ed25519 -N "" -f /etc/secrets/initrd/ssh_host_ed_25519_key + </screen> + + <warning> + <para> + Unless your bootloader supports initrd secrets, these keys + are stored insecurely in the global Nix store. Do NOT use + your regular SSH host private keys for this purpose or + you'll expose them to regular users! + </para> + <para> + Additionally, even if your initrd supports secrets, if + you're using initrd SSH to unlock an encrypted disk then + using your regular host keys exposes the private keys on + your unencrypted boot partition. + </para> + </warning> ''; }; - boot.initrd.network.ssh.hostECDSAKey = mkOption { - type = types.nullOr types.path; - default = null; - description = '' - ECDSA SSH private key file in the Dropbear format. - - WARNING: Unless your bootloader supports initrd secrets, this key is - contained insecurely in the global Nix store. Do NOT use your regular - SSH host private keys for this purpose or you'll expose them to - regular users! - ''; - }; - - boot.initrd.network.ssh.authorizedKeys = mkOption { + authorizedKeys = mkOption { type = types.listOf types.str; default = config.users.users.root.openssh.authorizedKeys.keys; + defaultText = "config.users.users.root.openssh.authorizedKeys.keys"; description = '' Authorized keys for the root user on initrd. - Note that Dropbear doesn't support OpenSSH's Ed25519 key type. ''; }; - }; - config = mkIf (config.boot.initrd.network.enable && cfg.enable) { + imports = + map (opt: mkRemovedOptionModule ([ "boot" "initrd" "network" "ssh" ] ++ [ opt ]) '' + The initrd SSH functionality now uses OpenSSH rather than Dropbear. + + If you want to keep your existing initrd SSH host keys, convert them with + $ dropbearconvert dropbear openssh dropbear_host_$type_key ssh_host_$type_key + and then set options.boot.initrd.network.ssh.hostKeys. + '') [ "hostRSAKey" "hostDSSKey" "hostECDSAKey" ]; + + config = let + # Nix complains if you include a store hash in initrd path names, so + # as an awful hack we drop the first character of the hash. + initrdKeyPath = path: if isString path + then path + else let name = builtins.baseNameOf path; in + builtins.unsafeDiscardStringContext ("/etc/ssh/" + + substring 1 (stringLength name) name); + + sshdCfg = config.services.openssh; + + sshdConfig = '' + Port ${toString cfg.port} + + PasswordAuthentication no + ChallengeResponseAuthentication no + + ${flip concatMapStrings cfg.hostKeys (path: '' + HostKey ${initrdKeyPath path} + '')} + + KexAlgorithms ${concatStringsSep "," sshdCfg.kexAlgorithms} + Ciphers ${concatStringsSep "," sshdCfg.ciphers} + MACs ${concatStringsSep "," sshdCfg.macs} + + LogLevel ${sshdCfg.logLevel} + + ${if sshdCfg.useDns then '' + UseDNS yes + '' else '' + UseDNS no + ''} + ''; + in mkIf (config.boot.initrd.network.enable && cfg.enable) { assertions = [ - { assertion = cfg.authorizedKeys != []; + { + assertion = cfg.authorizedKeys != []; message = "You should specify at least one authorized key for initrd SSH"; } + + { + assertion = cfg.hostKeys != []; + message = '' + You must now pre-generate the host keys for initrd SSH. + See the boot.inird.network.ssh.hostKeys documentation + for instructions. + ''; + } ]; boot.initrd.extraUtilsCommands = '' - copy_bin_and_libs ${pkgs.dropbear}/bin/dropbear + copy_bin_and_libs ${pkgs.openssh}/bin/sshd cp -pv ${pkgs.glibc.out}/lib/libnss_files.so.* $out/lib ''; boot.initrd.extraUtilsCommandsTest = '' - $out/bin/dropbear -V + # sshd requires a host key to check config, so we pass in the test's + echo -n ${escapeShellArg sshdConfig} | + $out/bin/sshd -t -f /dev/stdin \ + -h ${../../../tests/initrd-network-ssh/ssh_host_ed25519_key} ''; boot.initrd.network.postCommands = '' echo '${cfg.shell}' > /etc/shells echo 'root:x:0:0:root:/root:${cfg.shell}' > /etc/passwd + echo 'sshd:x:1:1:sshd:/var/empty:/bin/nologin' >> /etc/passwd echo 'passwd: files' > /etc/nsswitch.conf - mkdir -p /var/log + mkdir -p /var/log /var/empty touch /var/log/lastlog - mkdir -p /etc/dropbear + mkdir -p /etc/ssh + echo -n ${escapeShellArg sshdConfig} > /etc/ssh/sshd_config + + echo "export PATH=$PATH" >> /etc/profile + echo "export LD_LIBRARY_PATH=$LD_LIBRARY_PATH" >> /etc/profile mkdir -p /root/.ssh ${concatStrings (map (key: '' echo ${escapeShellArg key} >> /root/.ssh/authorized_keys '') cfg.authorizedKeys)} - dropbear -s -j -k -E -p ${toString cfg.port} ${optionalString (cfg.hostRSAKey == null && cfg.hostDSSKey == null && cfg.hostECDSAKey == null) "-R"} + ${flip concatMapStrings cfg.hostKeys (path: '' + # keys from Nix store are world-readable, which sshd doesn't like + chmod 0600 "${initrdKeyPath path}" + '')} + + /bin/sshd -e ''; - boot.initrd.secrets = - (optionalAttrs (cfg.hostRSAKey != null) { "/etc/dropbear/dropbear_rsa_host_key" = cfg.hostRSAKey; }) // - (optionalAttrs (cfg.hostDSSKey != null) { "/etc/dropbear/dropbear_dss_host_key" = cfg.hostDSSKey; }) // - (optionalAttrs (cfg.hostECDSAKey != null) { "/etc/dropbear/dropbear_ecdsa_host_key" = cfg.hostECDSAKey; }); + boot.initrd.postMountCommands = '' + # Stop sshd cleanly before stage 2. + # + # If you want to keep it around to debug post-mount SSH issues, + # run `touch /.keep_sshd` (either from an SSH session or in + # another initrd hook like preDeviceCommands). + if ! [ -e /.keep_sshd ]; then + pkill -x sshd + fi + ''; + boot.initrd.secrets = listToAttrs + (map (path: nameValuePair (initrdKeyPath path) path) cfg.hostKeys); }; } diff --git a/nixos/modules/system/boot/stage-1.nix b/nixos/modules/system/boot/stage-1.nix index 93cd801ef8039..9e3ee5cf0a3a1 100644 --- a/nixos/modules/system/boot/stage-1.nix +++ b/nixos/modules/system/boot/stage-1.nix @@ -142,7 +142,10 @@ let let source' = if source == null then dest else source; in '' mkdir -p $(dirname "$out/secrets/${dest}") - cp -a ${source'} "$out/secrets/${dest}" + # Some programs (e.g. ssh) doesn't like secrets to be + # symlinks, so we use `cp -L` here to match the + # behaviour when secrets are natively supported. + cp -Lr ${source'} "$out/secrets/${dest}" '' ) config.boot.initrd.secrets)) } diff --git a/nixos/tests/initrd-network-ssh/default.nix b/nixos/tests/initrd-network-ssh/default.nix index 73d9f938e226c..017de6882081d 100644 --- a/nixos/tests/initrd-network-ssh/default.nix +++ b/nixos/tests/initrd-network-ssh/default.nix @@ -3,7 +3,7 @@ import ../make-test-python.nix ({ lib, ... }: { name = "initrd-network-ssh"; meta = with lib.maintainers; { - maintainers = [ willibutz ]; + maintainers = [ willibutz emily ]; }; nodes = with lib; { @@ -17,9 +17,9 @@ import ../make-test-python.nix ({ lib, ... }: enable = true; ssh = { enable = true; - authorizedKeys = [ "${readFile ./openssh.pub}" ]; + authorizedKeys = [ (readFile ./id_ed25519.pub) ]; port = 22; - hostRSAKey = ./dropbear.priv; + hostKeys = [ ./ssh_host_ed25519_key ]; }; }; boot.initrd.preLVMCommands = '' @@ -42,11 +42,11 @@ import ../make-test-python.nix ({ lib, ... }: "${toString (head (splitString " " ( toString (elemAt (splitString "\n" config.networking.extraHosts) 2) )))} " - "${readFile ./dropbear.pub}" + "${readFile ./ssh_host_ed25519_key.pub}" ]; }; sshKey = { - source = ./openssh.priv; # dont use this anywhere else + source = ./id_ed25519; mode = "0600"; }; }; @@ -56,7 +56,17 @@ import ../make-test-python.nix ({ lib, ... }: testScript = '' start_all() client.wait_for_unit("network.target") - client.wait_until_succeeds("ping -c 1 server") + + + def ssh_is_up(_) -> bool: + status, _ = client.execute("nc -z server 22") + return status == 0 + + + with client.nested("waiting for SSH server to come up"): + retry(ssh_is_up) + + client.succeed( "ssh -i /etc/sshKey -o UserKnownHostsFile=/etc/knownHosts server 'touch /fnord'" ) diff --git a/nixos/tests/initrd-network-ssh/dropbear.priv b/nixos/tests/initrd-network-ssh/dropbear.priv deleted file mode 100644 index af340535f0a38..0000000000000 --- a/nixos/tests/initrd-network-ssh/dropbear.priv +++ /dev/null Binary files differdiff --git a/nixos/tests/initrd-network-ssh/dropbear.pub b/nixos/tests/initrd-network-ssh/dropbear.pub deleted file mode 100644 index 385c625522aa1..0000000000000 --- a/nixos/tests/initrd-network-ssh/dropbear.pub +++ /dev/null @@ -1 +0,0 @@ -ssh-rsa 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 tmtynkky@duuni diff --git a/nixos/tests/initrd-network-ssh/generate-keys.nix b/nixos/tests/initrd-network-ssh/generate-keys.nix index 0183e12d7a88f..3d7978890ab08 100644 --- a/nixos/tests/initrd-network-ssh/generate-keys.nix +++ b/nixos/tests/initrd-network-ssh/generate-keys.nix @@ -1,12 +1,10 @@ with import ../../.. {}; runCommand "gen-keys" { - buildInputs = [ dropbear openssh ]; + buildInputs = [ openssh ]; } '' mkdir $out - dropbearkey -t rsa -f $out/dropbear.priv -s 4096 | sed -n 2p > $out/dropbear.pub - ssh-keygen -q -t rsa -b 4096 -N "" -f client - mv client $out/openssh.priv - mv client.pub $out/openssh.pub + ssh-keygen -q -t ed25519 -N "" -f $out/ssh_host_ed25519_key + ssh-keygen -q -t ed25519 -N "" -f $out/id_ed25519 '' diff --git a/nixos/tests/initrd-network-ssh/id_ed25519 b/nixos/tests/initrd-network-ssh/id_ed25519 new file mode 100644 index 0000000000000..f914b3f712fc5 --- /dev/null +++ b/nixos/tests/initrd-network-ssh/id_ed25519 @@ -0,0 +1,7 @@ +-----BEGIN OPENSSH PRIVATE KEY----- +b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW +QyNTUxOQAAACAVcX+32Yqig25RxRA8bel/f604wV0p/63um+Oku/3vfwAAAJi/AJZMvwCW +TAAAAAtzc2gtZWQyNTUxOQAAACAVcX+32Yqig25RxRA8bel/f604wV0p/63um+Oku/3vfw +AAAEAPLjQusjrB90Lk3996G3AbtTeK+XweNgxaegYnml/A/RVxf7fZiqKDblHFEDxt6X9/ +rTjBXSn/re6b46S7/e9/AAAAEG5peGJsZEBsb2NhbGhvc3QBAgMEBQ== +-----END OPENSSH PRIVATE KEY----- diff --git a/nixos/tests/initrd-network-ssh/id_ed25519.pub b/nixos/tests/initrd-network-ssh/id_ed25519.pub new file mode 100644 index 0000000000000..40de4a8ac6027 --- /dev/null +++ b/nixos/tests/initrd-network-ssh/id_ed25519.pub @@ -0,0 +1 @@ +ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBVxf7fZiqKDblHFEDxt6X9/rTjBXSn/re6b46S7/e9/ nixbld@localhost diff --git a/nixos/tests/initrd-network-ssh/openssh.priv b/nixos/tests/initrd-network-ssh/openssh.priv deleted file mode 100644 index 816d65435fd70..0000000000000 --- a/nixos/tests/initrd-network-ssh/openssh.priv +++ /dev/null @@ -1,51 +0,0 @@ ------BEGIN RSA PRIVATE KEY----- -MIIJKAIBAAKCAgEA7+9A2PCPOTAlFmrablrUWA+VZdAuLfM6JXeHsOF7ZbC2F6lv -WmvDM925DQqhiAjcgWnt5WHWS5Y+b7lGnuzT7fyKegXd80nCRmqlpSG3srX0/lxR -aQAJLzfoDjcsF+ceswQo6GSsYnCHVxMNs007gbbVY3f7o+sWZtLdxJPD2iHvl5Zr 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-1zLnaPAD44LZ/0Fjqj+PimQGT6K7CNXPllmYh7MvoU52g3SVPf6rHlIR0Nc= ------END RSA PRIVATE KEY----- diff --git a/nixos/tests/initrd-network-ssh/openssh.pub b/nixos/tests/initrd-network-ssh/openssh.pub deleted file mode 100644 index 5b72b8085f270..0000000000000 --- a/nixos/tests/initrd-network-ssh/openssh.pub +++ /dev/null @@ -1 +0,0 @@ -ssh-rsa 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 tmtynkky@duuni diff --git a/nixos/tests/initrd-network-ssh/ssh_host_ed25519_key b/nixos/tests/initrd-network-ssh/ssh_host_ed25519_key new file mode 100644 index 0000000000000..f1e29459b7a33 --- /dev/null +++ b/nixos/tests/initrd-network-ssh/ssh_host_ed25519_key @@ -0,0 +1,7 @@ +-----BEGIN OPENSSH PRIVATE KEY----- +b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW +QyNTUxOQAAACDP9Mz6qlxdQqA4omrgbOlVsxSGONCJstjW9zqquajlIAAAAJg0WGFGNFhh +RgAAAAtzc2gtZWQyNTUxOQAAACDP9Mz6qlxdQqA4omrgbOlVsxSGONCJstjW9zqquajlIA +AAAEA0Hjs7LfFPdTf3ThGx6GNKvX0ItgzgXs91Z3oGIaF6S8/0zPqqXF1CoDiiauBs6VWz +FIY40Imy2Nb3Oqq5qOUgAAAAEG5peGJsZEBsb2NhbGhvc3QBAgMEBQ== +-----END OPENSSH PRIVATE KEY----- diff --git a/nixos/tests/initrd-network-ssh/ssh_host_ed25519_key.pub b/nixos/tests/initrd-network-ssh/ssh_host_ed25519_key.pub new file mode 100644 index 0000000000000..3aa1587e1dce9 --- /dev/null +++ b/nixos/tests/initrd-network-ssh/ssh_host_ed25519_key.pub @@ -0,0 +1 @@ +ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM/0zPqqXF1CoDiiauBs6VWzFIY40Imy2Nb3Oqq5qOUg nixbld@localhost |