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* some language improvements; ok markusdjm2020-07-051-3/+3
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* Move checks for lists of users or groups into their own function.dtucker2019-03-061-1/+2
| | | | | This is a no-op on OpenBSD but will make things easier in -portable, eg on systems where these checks should be case-insensitive. ok djm@
* repair PubkeyAcceptedKeyTypes (and friends) after RSA signature work -djm2018-07-041-2/+3
| | | | | | | | | | | | | returns ability to add/remove/specify algorithms by wildcard. Algorithm lists are now fully expanded when the server/client configs are finalised, so errors are reported early and the config dumps (e.g. "ssh -G ...") now list the actual algorithms selected. Clarify that, while wildcards are accepted in algorithm lists, they aren't full pattern-lists that support negation. (lots of) feedback, ok markus@
* support =- for removing methods from algorithms lists, e.g.djm2017-02-031-1/+2
| | | | | Ciphers=-*cbc; suggested by Cristian Ionescu-Idbohrn in bz#2671 "I like it" markus@
* Remove pattern length argument from match_pattern_list(),djm2015-05-041-3/+3
| | | | | | | | | | we only ever use it for strlen(pattern). Prompted by hanno AT hboeck.de pointing an out-of-bound read error caused by an incorrect pattern length found using AFL and his own tools. ok markus@
* Add support for certificate key types for users and hosts.djm2010-02-261-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | OpenSSH certificate key types are not X.509 certificates, but a much simpler format that encodes a public key, identity information and some validity constraints and signs it with a CA key. CA keys are regular SSH keys. This certificate style avoids the attack surface of X.509 certificates and is very easy to deploy. Certified host keys allow automatic acceptance of new host keys when a CA certificate is marked as trusted in ~/.ssh/known_hosts. see VERIFYING HOST KEYS in ssh(1) for details. Certified user keys allow authentication of users when the signing CA key is marked as trusted in authorized_keys. See "AUTHORIZED_KEYS FILE FORMAT" in sshd(8) for details. Certificates are minted using ssh-keygen(1), documentation is in the "CERTIFICATES" section of that manpage. Documentation on the format of certificates is in the file PROTOCOL.certkeys feedback and ok markus@
* support CIDR address matching in sshd_config "Match address" blocks, withdjm2008-06-101-1/+4
| | | | | | | | | | | | full support for negation and fall-back to classic wildcard matching. For example: Match address 192.0.2.0/24,3ffe:ffff::/32,!10.* PasswordAuthentication yes addrmatch.c code mostly lifted from flowd's addr.c feedback and ok dtucker@
* standardise spacing in $OpenBSD$ tags; requested by deraadt@djm2006-03-251-1/+1
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* undo the 'delay hostname lookup' changemarkus2002-03-011-2/+2
| | | | | match.c must not use compress.c (via canonhost.c/packet.c) thanks to wilfried@
* delay hostname lookup until we see a ``@'' in DenyUsers and AllowUsersstevesk2002-02-281-2/+2
| | | | for sshd -u0; ok markus@
* make theo and djm happy: bye bye regexpmarkus2001-12-051-3/+4
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* prototype pedant. not very creative...itojun2001-06-261-6/+6
| | | | | - () -> (void) - no variable names
* move ip+hostname check to match.cmarkus2001-06-241-21/+5
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* add PreferredAuthenticationsmarkus2001-03-101-1/+7
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* $OpenBSD$niklas2001-01-291-0/+2
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* replace 'unsigned bla' with 'u_bla' everywhere. also, replace 'char unsigned'markus2000-12-191-1/+1
| | | | with u_char.
* some more Copyright fixesmarkus2000-09-071-20/+10
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* cleanup copyright notices on all files. I have attempted to be accurate withderaadt2000-09-071-0/+23
| | | | | | | the details. everything is now under Tatu's licence (which I copied from his readme), and/or the core-sdi bsd-ish thing for deattack, or various openbsd developers under a 2-term bsd licence. We're not changing any rules, just being accurate.
* fix match_hostname() logic for auth-rsa: deny access if we have a negative match or no match at allmarkus2000-06-061-2/+2
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* initial support for DSA keys. ok deraadt@, niels@markus2000-03-231-0/+18
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