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2016-09-29Remove portability support for mmapDamien Miller
We no longer need to wrap/replace mmap for portability now that pre-auth compression has been removed from OpenSSH.
2016-09-29upstream commitdjm@openbsd.org
Remove support for pre-authentication compression. Doing compression early in the protocol probably seemed reasonable in the 1990s, but today it's clearly a bad idea in terms of both cryptography (cf. multiple compression oracle attacks in TLS) and attack surface. Moreover, to support it across privilege-separation zlib needed the assistance of a complex shared-memory manager that made the required attack surface considerably larger. Prompted by Guido Vranken pointing out a compiler-elided security check in the shared memory manager found by Stack (http://css.csail.mit.edu/stack/); ok deraadt@ markus@ NB. pre-auth authentication has been disabled by default in sshd for >10 years. Upstream-ID: 32af9771788d45a0779693b41d06ec199d849caf
2016-09-29upstream commitdjm@openbsd.org
Avoid a theoretical signed integer overflow should BN_num_bytes() ever violate its manpage and return a negative value. Improve order of tests to avoid confusing increasingly pedantic compilers. Reported by Guido Vranken from stack (css.csail.mit.edu/stack) unstable optimisation analyser output. ok deraadt@ Upstream-ID: f8508c830c86d8f36c113985e52bf8eedae23505
2016-09-28fix mdoc2man.awk formatting for top-level listsDamien Miller
Reported by Glenn Golden Diagnosis and fix from Ingo Schwarze
2016-09-24upstream commitdjm@openbsd.org
missing bit from previous commit Upstream-ID: 438d5ed6338b28b46e822eb13eee448aca31df37
2016-09-24upstream commitjmc@openbsd.org
organise the token stuff into a separate section; ok markus for an earlier version of the diff ok/tweaks djm Upstream-ID: 81a6daa506a4a5af985fce7cf9e59699156527c8
2016-09-24upstream commitdjm@openbsd.org
mention curve25519-sha256 KEX Upstream-ID: 33ae1f433ce4795ffa6203761fbdf86e0d7ffbaf
2016-09-24upstream commitdjm@openbsd.org
support plain curve25519-sha256 KEX algorithm now that it is approaching standardisation (same algorithm is currently supported as curve25519-sha256@libssh.org) Upstream-ID: 5e2b6db2e72667048cf426da43c0ee3fc777baa2
2016-09-24upstream commitdtucker@openbsd.org
If ssh receives a PACKET_DISCONNECT during userauth it will cause ssh_dispatch_run(DISPATCH_BLOCK, ...) to return without the session being authenticated. Check for this and exit if necessary. ok djm@ Upstream-ID: b3afe126c0839d2eae6cddd41ff2ba317eda0903
2016-09-22upstream commitdjm@openbsd.org
correctly return errors from kex_send_ext_info(). Fix from Sami Farin via https://github.com/openssh/openssh-portable/pull/50 Upstream-ID: c85999af28aaecbf92cfa2283381df81e839b42c
2016-09-22upstream commitdjm@openbsd.org
cast uint64_t for printf Upstream-ID: 76d23e89419ccbd2320f92792a6d878211666ac1
2016-09-22upstream commitdjm@openbsd.org
disable tests for affirmative negated match after backout of match change Upstream-Regress-ID: acebb8e5042f03d66d86a50405c46c4de0badcfd
2016-09-22upstream commitdjm@openbsd.org
Revert two recent changes to negated address matching. The new behaviour offers unintuitive surprises. We'll find a better way to deal with single negated matches. match.c 1.31: > fix matching for pattern lists that contain a single negated match, > e.g. "Host !example" > > report and patch from Robin Becker. bz#1918 ok dtucker@ addrmatch.c 1.11: > fix negated address matching where the address list consists of a > single negated match, e.g. "Match addr !192.20.0.1" > > Report and patch from Jakub Jelen. bz#2397 ok dtucker@ Upstream-ID: ec96c770f0f5b9a54e5e72fda25387545e9c80c6
2016-09-21upstream commitdjm@openbsd.org
test all the AuthorizedPrincipalsCommand % expansions Upstream-Regress-ID: 0a79a84dfaa59f958e46b474c3db780b454d30e3
2016-09-21upstream commitdjm@openbsd.org
add a way for principals command to get see key ID and serial too Upstream-ID: 0d30978bdcf7e8eaeee4eea1b030eb2eb1823fcb
2016-09-21upstream commitdjm@openbsd.org
add a note on kexfuzz' limitations Upstream-Regress-ID: 03804d4a0dbc5163e1a285a4c8cc0a76a4e864ec
2016-09-21upstream commitdjm@openbsd.org
fix for newer modp DH groups (diffie-hellman-group14-sha256 etc) Upstream-Regress-ID: fe942c669959462b507516ae1634fde0725f1c68
2016-09-21upstream commitmarkus@openbsd.org
move inbound NEWKEYS handling to kex layer; otherwise early NEWKEYS causes NULL deref; found by Robert Swiecki/honggfuzz; fixed with & ok djm@ Upstream-ID: 9a68b882892e9f51dc7bfa9f5a423858af358b2f
2016-09-21upstream commitnatano@openbsd.org
Replace two more arc4random() loops with arc4random_buf(). tweaks and ok dtucker ok deraadt Upstream-ID: 738d3229130ccc7eac975c190276ca6fcf0208e4
2016-09-21upstream committedu@openbsd.org
replace two arc4random loops with arc4random_buf ok deraadt natano Upstream-ID: e18ede972d1737df54b49f011fa4f3917a403f48
2016-09-15upstream commitdjm@openbsd.org
take fingerprint of correct key for AuthorizedPrincipalsCommand Upstream-ID: 553581a549cd6a3e73ce9f57559a325cc2cb1f38
2016-09-14upstream commitdjm@openbsd.org
add %-escapes to AuthorizedPrincipalsCommand to match those supported for AuthorizedKeysCommand (key, key type, fingerprint, etc) and a few more to provide access to the certificate's CA key; 'looks ok' dtucker@ Upstream-ID: 6b00fd446dbebe67f4e4e146d2e492d650ae04eb
2016-09-14upstream commitdtucker@openbsd.org
Improve test coverage of ssh-keygen -T a bit. Upstream-Regress-ID: 8851668c721bcc2b400600cfc5a87644cc024e72
2016-09-14upstream commitdtucker@openbsd.org
Add testcase for ssh-keygen -j, -J and -K options for moduli screening. Does not currently test generation as that is extremely slow. Upstream-Regress-ID: 9de6ce801377ed3ce0a63a1413f1cd5fd3c2d062
2016-09-14upstream commitdjm@openbsd.org
add tests for addr_match_list() Upstream-Regress-ID: fae2d1fef84687ece584738a924c7bf969616c8e
2016-09-14upstream commitdjm@openbsd.org
handle certs in rsa_hash_alg_from_ident(), saving an unnecessary special case elsewhere. Upstream-ID: 901cb081c59d6d2698b57901c427f3f6dc7397d4
2016-09-13upstream commitdjm@openbsd.org
list all supported signature algorithms in the server-sig-algs Reported by mb AT smartftp.com in bz#2547 and (independantly) Ron Frederick; ok markus@ Upstream-ID: ddf702d721f54646b11ef2cee6d916666cb685cd
2016-09-12Remove no-op brackets to resync with upstream.Darren Tucker
2016-09-12Resync ssh-keygen -W error message with upstream.Darren Tucker
2016-09-12Move ssh-keygen -W handling code to match upstreamDarren Tucker
2016-09-12Move ssh-keygen -T handling code to match upstream.Darren Tucker
2016-09-12Move -M handling code to match upstream.Darren Tucker
2016-09-12upstream commitdtucker@openbsd.org
Spaces->tabs. Upstream-ID: f4829dfc3f36318273f6082b379ac562eead70b7
2016-09-12upstream commitdtucker@openbsd.org
Style whitespace fix. Also happens to remove a no-op diff with portable. Upstream-ID: 45d90f9a62ad56340913a433a9453eb30ceb8bf3
2016-09-12upstream commitderaadt@openbsd.org
Add MAXIMUM(), MINIMUM(), and ROUNDUP() to misc.h, then use those definitions rather than pulling <sys/param.h> and unknown namespace pollution. ok djm markus dtucker Upstream-ID: 712cafa816c9f012a61628b66b9fbd5687223fb8
2016-09-12upstream commitjmc@openbsd.org
sort; from matthew martin Upstream-ID: 73cec7f7ecc82d37a4adffad7745e4684de67ce7
2016-09-12upstream commitmarkus@openbsd.org
ssh_set_newkeys: print correct block counters on rekeying; ok djm@ Upstream-ID: 32bb7a9cb9919ff5bab28d50ecef3a2b2045dd1e
2016-09-12upstream commitmarkus@openbsd.org
update ext_info_c every time we receive a kexinit msg; fixes sending of ext_info if privsep is disabled; report Aris Adamantiadis & Mancha; ok djm@ Upstream-ID: 2ceaa1076e19dbd3542254b4fb8e42d608f28856
2016-09-12upstream commitdjm@openbsd.org
remove 3des-cbc from the client's default proposal; 64-bit block ciphers are not safe in 2016 and we don't want to wait until attacks like sweet32 are extended to SSH. As 3des-cbc was the only mandatory cipher in the SSH RFCs, this may cause problems connecting to older devices using the defaults, but it's highly likely that such devices already need explicit configuration for KEX and hostkeys anyway. ok deraadt, markus, dtucker Upstream-ID: a505dfe65c6733af0f751b64cbc4bb7e0761bc2f
2016-09-12upstream commitdjm@openbsd.org
enforce expected request flow for GSSAPI calls; thanks to Jakub Jelen for testing; ok markus@ Upstream-ID: d4bc0e70e1be403735d3d9d7e176309b1fd626b9
2016-09-12Restore ssh-keygen's -J and -j option handling.Darren Tucker
These were incorrectly removed in the 1d9a2e28 sync commit.
2016-08-31tighten PAM monitor callsDamien Miller
only allow kbd-interactive ones when that authentication method is enabled. Prompted by Solar Designer
2016-08-31upstream commitdjm@openbsd.org
restrict monitor auth calls to be allowed only when their respective authentication methods are enabled in the configuration. prompted by Solar Designer; ok markus dtucker Upstream-ID: 6eb3f89332b3546d41d6dbf5a8e6ff920142b553
2016-08-29Tighten monitor state-machine flow for PAM callsDamien Miller
(attack surface reduction)
2016-08-29upstream commitdjm@openbsd.org
fix uninitialised optlen in getsockopt() call; harmless on Unix/BSD but potentially crashy on Cygwin. Reported by James Slepicka ok deraadt@ Upstream-ID: 1987ccee508ba5b18f016c85100d7ac3f70ff965
2016-08-29upstream commitguenther@openbsd.org
Pull in <sys/time.h> for struct timeval ok deraadt@ Upstream-ID: ae34525485a173bccd61ac8eefeb91c57e3b7df6
2016-08-29upstream commitguenther@openbsd.org
Pull in <stdlib.h> for NULL ok deraadt@ Upstream-ID: 7baa6a0f1e049bb3682522b4b95a26c866bfc043
2016-08-29upstream commitdjm@openbsd.org
add a sIgnore opcode that silently ignores options and use it to suppress noisy deprecation warnings for the Protocol directive. req henning, ok markus Upstream-ID: 9fe040aca3d6ff393f6f7e60045cdd821dc4cbe0
2016-08-29upstream commitdjm@openbsd.org
remove superfluous NOTREACHED comment Upstream-ID: a7485c1f1be618e8c9e38fd9be46c13b2d03b90c
2016-08-29upstream commitotto@openbsd.org
fix previous, a condition was modified incorrectly; ok markus@ deraadt@ Upstream-ID: c443e339768e7ed396dff3bb55f693e7d3641453
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