fQ9 6UdZddlZddlZddlZddlZddlZddlmZddlm Z m Z m Z ddl m Z mZmZddlmZddlmZddlmZmZdd lmZmZdd lmZd Zd d deegeedggdZeed<eeZej>e Z!gdZ"dgZ#ejHdZ%dZ&dZ'gZ(e e)ed<iZ*iZ+e"D]BZ,e*j[e,de&e,zdfe,de&e,zddfe,de&e,zddfie,de+e,d<DdZ.d e)d!ed"ed#e/d$df d%Z0d&Z1d)d'e e e)fd(Z2y)*zSSH: Configure SSH and SSH keysN)dedent)ListOptionalSequence)ssh_utilsubputil)Cloud)Config) MetaSchema get_meta_doc) ALL_DISTROSug_util) PER_INSTANCEat This module handles most configuration for SSH and both host and authorized SSH keys. **Authorized keys** Authorized keys are a list of public SSH keys that are allowed to connect to a user account on a system. They are stored in `.ssh/authorized_keys` in that account's home directory. Authorized keys for the default user defined in ``users`` can be specified using ``ssh_authorized_keys``. Keys should be specified as a list of public keys. .. note:: See the ``cc_set_passwords`` module documentation to enable/disable SSH password authentication. Root login can be enabled/disabled using the ``disable_root`` config key. Root login options can be manually specified with ``disable_root_opts``. Supported public key types for the ``ssh_authorized_keys`` are: - rsa - ecdsa - ed25519 - ecdsa-sha2-nistp256-cert-v01@openssh.com - ecdsa-sha2-nistp256 - ecdsa-sha2-nistp384-cert-v01@openssh.com - ecdsa-sha2-nistp384 - ecdsa-sha2-nistp521-cert-v01@openssh.com - ecdsa-sha2-nistp521 - sk-ecdsa-sha2-nistp256-cert-v01@openssh.com - sk-ecdsa-sha2-nistp256@openssh.com - sk-ssh-ed25519-cert-v01@openssh.com - sk-ssh-ed25519@openssh.com - ssh-ed25519-cert-v01@openssh.com - ssh-ed25519 - ssh-rsa-cert-v01@openssh.com - ssh-rsa - ssh-xmss-cert-v01@openssh.com - ssh-xmss@openssh.com .. note:: this list has been filtered out from the supported keytypes of `OpenSSH`_ source, where the sigonly keys are removed. Please see ``ssh_util`` for more information. ``rsa``, ``ecdsa`` and ``ed25519`` are added for legacy, as they are valid public keys in some old distros. They can possibly be removed in the future when support for the older distros are dropped .. _OpenSSH: https://github.com/openssh/openssh-portable/blob/master/sshkey.c **Host keys** Host keys are for authenticating a specific instance. Many images have default host SSH keys, which can be removed using ``ssh_deletekeys``. Host keys can be added using the ``ssh_keys`` configuration key. When host keys are generated the output of the ssh-keygen command(s) can be displayed on the console using the ``ssh_quiet_keygen`` configuration key. .. note:: When specifying private host keys in cloud-config, care should be taken to ensure that the communication between the data source and the instance is secure. If no host keys are specified using ``ssh_keys``, then keys will be generated using ``ssh-keygen``. By default one public/private pair of each supported host key type will be generated. The key types to generate can be specified using the ``ssh_genkeytypes`` config flag, which accepts a list of host key types to use. For each host key type for which this module has been instructed to create a keypair, if a key of the same type is already present on the system (i.e. if ``ssh_deletekeys`` was false), no key will be generated. Supported host key types for the ``ssh_keys`` and the ``ssh_genkeytypes`` config flags are: - ecdsa - ed25519 - rsa Unsupported host key types for the ``ssh_keys`` and the ``ssh_genkeytypes`` config flags are: - ecdsa-sk - ed25519-sk cc_sshSSHzConfigure SSH and SSH keysa ssh_keys: rsa_private: | -----BEGIN RSA PRIVATE KEY----- MIIBxwIBAAJhAKD0YSHy73nUgysO13XsJmd4fHiFyQ+00R7VVu2iV9Qco ... -----END RSA PRIVATE KEY----- rsa_public: ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAGEAoPRhIfLvedSDKw7Xd ... rsa_certificate: | ssh-rsa-cert-v01@openssh.com AAAAIHNzaC1lZDI1NTE5LWNlcnQt ... ssh_authorized_keys: - ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAGEA3FSyQwBI6Z+nCSjUU ... - ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEA3I7VUf2l5gSn5uavROsc5HRDpZ ... ssh_deletekeys: true ssh_genkeytypes: [rsa, ecdsa, ed25519] disable_root: true disable_root_opts: no-port-forwarding,no-agent-forwarding,no-X11-forwarding allow_public_ssh_keys: true ssh_quiet_keygen: true ssh_publish_hostkeys: enabled: true blacklist: [rsa] )idnametitle descriptiondistros frequencyexamplesactivate_by_schema_keysmeta)rsaecdsaed25519rz4^(ecdsa-sk|ed25519-sk)_(private|public|certificate)$z/etc/ssh/ssh_host_%s_keyTHOST_KEY_PUBLISH_BLACKLIST_private_public.pub _certificatez -cert.pubz;o=$(ssh-keygen -yf "%s") && echo "$o" root@localhost > "%s"rcfgcloudargsreturnc ` |jddrPtjjdd}t j|D]} t j |d|vr`g}|djD]\}}|tvr2tj|rd} nd} tjd | |@t|d } t|d } t j| || d |vst|j!d t#| f|rt%j&|t(jD]\} } | |dvs| |dvrt| d t| d }}ddt*||fzg} t j,dd5t/j.|ddddtj1d||nt j2|dt4}t j6s|n|Dcgc] }|t8vr|c}}t;|j=|}|r%tj1ddj||D]}t>|z}tjjA|r-t jBtjjE|dd|ddd|g}t j,dd5 t/j.|ddd i!\}}t jF|d"ds2tHjJjMt jN|t jPd}|d#k7ryd$}t%jR}|r|t jTd%d krd&}tjV|d#|tjX||tjX|d'd(dddd,|vr=t j2|d,d-td}t jF|d,d.tf}n td}tf}|r(ti|/} |jjjm| tojp||jr\} }!tojt| \}"}#t jF|d1d}$t jv|d2t$jx}%g}&t jF|d3dr|j{xsg}&ntj1d4d5|vr|d5}'|&j}|'t|&|"|$|%y#t$rt jtd|YwxYw#1swYxYw#t$r$t jtd|d|Y^wxYwcc}w#t.jZ$r}t jN|j\j_}|j`d k(r6|j_jcd)rtj1d*|nt jtd+||Yd}~zd}~wwxYw#1swYxYw#t$rt jtd0Y3wxYw#t$rt jtd6YywxYw)7Nssh_deletekeysTz /etc/ssh/zssh_host_*key*zFailed deleting key file %sssh_keys unsupported unrecognizedz Skipping %s ssh_keys entry: "%s"rr%HostCertificateshz-xcz/etc/ssh) recursiveF)capturezGenerated a key for %s from %szFailed generating a key for z from ssh_genkeytypesz5skipping keys that are not supported in fips mode: %s,z ssh-keygenz-tz-Nz-fLANGC)r3 update_envssh_quiet_keygenr! ir#r$z unknown keyz!ssh-keygen: unknown key type '%s'z(Failed generating key type %s to file %sssh_publish_hostkeys blacklistenabled)r>zPublishing host keys failed! disable_rootdisable_root_optsallow_public_ssh_keyszSSkipping import of publish SSH keys per config setting: allow_public_ssh_keys=Falsessh_authorized_keysz Applying SSH credentials failed!)@getospathjoinglobr del_file ExceptionlogexcLOGitemsCONFIG_KEY_TO_FILEpattern_unsupported_config_keysmatchwarning write_fileappendstrrappend_ssh_config PRIV_TO_PUB KEY_GEN_TPL SeLinuxGuardrdebugget_cfg_option_listGENERATE_KEY_NAMES fips_enabledFIPS_UNSUPPORTED_KEY_NAMESset difference KEY_FILE_TPLexists ensure_dirdirnameget_cfg_option_boolsysstdoutwrite decode_binary get_group_idget_opensshd_upstream_versionVersionchownchmodProcessExecutionErrorstderrlower exit_code startswithrPUBLISH_HOST_KEYSget_public_host_keys datasourcepublish_host_keysrnormalize_users_groupsdistroextract_defaultget_cfg_option_strDISABLE_USER_OPTSget_public_ssh_keysextendapply_credentials)(rr&r'r(key_pthf cert_configkeyvalreasontgt_fn tgt_perms private_type public_type private_file public_filecmdgenkeysnames key_names skipped_keyskeytypekeyfileouterrgidpermissions_private ssh_versionehost_key_blacklistpublish_hostkeyshostkeysusers_groupsuser _user_configr@rAkeyscfgkeyss( 9/usr/lib/python3/dist-packages/cloudinit/config/cc_ssh.pyhandlers- ww&'',,{,<=7# CA C a  C S j///1 EJS#,,288=*F+F >L',Q/F*3/2I OOFC 3$""$5s6{#CD E   & &{ 3)4):):)<  %L+s:.s:6"<03";/2&L |[.I IJC &&zTB2IIc512 4k< 4** "$6  $$& % :: 7|..y9  IIG&  !( G"g.Gww~~g& OOBGGOOG4 5wb$HC"":> #yyTvsm HC 33/ ((););C)@A++J7Cby.3+&.&L&L&N &;a9K+K27/"c2*=>G9D!159'  ( T$!55 & '  &   33 & '4E 8,'2DE =    . .x 8="99#u||L&66u=|//^TJ  33 $h&@&@   # #C)@$ G,,.4"D II>  !C '/0G KK $l4EFs C C!>B CJ22   2"m6,9 R11 ,,QXX6<<>C{{a'CIIK,B,B%- "EwO F##  )  f = KK; < =2 = C;<=s T46U, U%U,=VYC9V!5YC"Z4$UUU) $U,,)VV!Y 4BYYY  YY #ZZ#Z-,Z-ct|}|rtj|||r)|sd}|jd|}|jdd}nd}tj|d|y)NNONEz$USERz $DISABLE_USERrootr6)options)r^rsetup_user_keysreplace)rrr@rA key_prefixs rr~r~asd t9D   t,D&..w= ''@   T6:>r>cftd}g}g}|r|Dcgc]}||fz }}tj|dzDcgc]}||vr| }}|D]V}tj|}|j } | s+t | dkDs:|j t| ddX|Scc}wcc}w)aRead host keys from /etc/ssh/*.pub files and return them as a list. @param blacklist: List of key types to ignore. e.g. ['rsa'] @returns: List of keys, each formatted as a two-element tuple. e.g. [('ssh-rsa', 'AAAAB3Nz...'), ('ssh-ed25519', 'AAAAC3Nx...')] r#)*r/N)r`rHr load_text_filesplitlenrStuple) r>public_key_file_tmplkey_listblacklist_fileskey_typehostfile file_list file_name file_contentskey_datas rrtrtrs(45HO@I 3; H; .   "6"?@  ? * I1 ++I6  &&( H ) OOE(2A,/ 0 1 O# s B) B.)N)3__doc__rHloggingrEreretextwraprtypingrrr cloudinitrrr cloudinit.cloudr cloudinit.configr cloudinit.config.schemar r cloudinit.distrosrrcloudinit.settingsrMODULE_DESCRIPTIONr__annotations__ getLogger__name__rLr[r]compilerOr`rsrrTrNrVkupdaterWlistrr~rtrrrs&  ++**!#<2+XB   )%}  6 "E#j#J t g!0'[","**:#* (*DI* 0AcN\A-u5cM|a/05u=c L1$4#5Y!? G &'Cw-K1#X0L c=c=6c=%c=tc=c=L?"HXc]$;r