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* remove duplicate #includesDamien Miller2019-10-021-3/+0
| | | | Prompted by Jakub Jelen
* upstream: lots of things were relying on libcrypto headers todjm@openbsd.org2019-09-061-1/+2
| | | | | | | transitively include various system headers (mostly stdlib.h); include them explicitly OpenBSD-Commit-ID: 5b522f4f2d844f78bf1cc4f3f4cc392e177b2080
* upstream: asprintf returns -1, not an arbitrary value < 0. Alsoderaadt@openbsd.org2019-07-021-2/+2
| | | | | | | | upon error the (very sloppy specification) leaves an undefined value in *ret, so it is wrong to inspect it, the error condition is enough. discussed a little with nicm, and then much more with millert until we were exasperated OpenBSD-Commit-ID: 29258fa51edf8115d244b9d4b84028487bf8923e
* upstream: Fix authentication failures when "AuthenticationMethodsdjm@openbsd.org2019-03-261-1/+9
| | | | | | | | any" in a Match block overrides a more restrictive global default. Spotted by jmc@, ok markus@ OpenBSD-Commit-ID: a90a4fe2ab81d0eeeb8fdfc21af81f7eabda6666
* last bits of old packet API / active_state globalDamien Miller2019-01-201-3/+3
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* remove PAM dependencies on old packet APIDamien Miller2019-01-201-1/+1
| | | | | Requires some caching of values, because the PAM code isn't always called with packet context.
* remove vestiges of old packet API from loginrec.cDamien Miller2019-01-191-1/+4
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* upstream: convert auth.c to new packet APIdjm@openbsd.org2019-01-191-4/+4
| | | | | | with & ok markus@ OpenBSD-Commit-ID: 7e10359f614ff522b52a3f05eec576257794e8e4
* upstream: convert auth2.c to new packet APIDamien Miller2019-01-191-47/+59
| | | | OpenBSD-Commit-ID: ed831bb95ad228c6791bc18b60ce7a2edef2c999
* upstream: begin landing remaining refactoring of packet parsingdjm@openbsd.org2019-01-191-1/+4
| | | | | | | | | | | | | API, started almost exactly six years ago. This change stops including the old packet_* API by default and makes each file that requires the old API include it explicitly. We will commit file-by-file refactoring to remove the old API in consistent steps. with & ok markus@ OpenBSD-Commit-ID: 93c98a6b38f6911fd1ae025a1ec57807fb4d4ef4
* upstream: include time.h for time(3)/nanosleep(2); from Iandjm@openbsd.org2019-01-171-1/+2
| | | | | | McKellar OpenBSD-Commit-ID: 6412ccd06a88f65b207a1089345f51fa1244ea51
* upstream: hold our collective noses and use the openssl-1.1.x API indjm@openbsd.org2018-09-131-2/+2
| | | | | | OpenSSH; feedback and ok tb@ jsing@ markus@ OpenBSD-Commit-ID: cacbcac87ce5da0d3ca7ef1b38a6f7fb349e4417
* upstream: remove legacy key emulation layer; ok djm@markus@openbsd.org2018-07-121-2/+2
| | | | OpenBSD-Commit-ID: 2b1f9619259e222bbd4fe9a8d3a0973eafb9dd8d
* Adapt portable to legacy buffer API removalDamien Miller2018-07-101-5/+10
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* upstream: sshd: switch authentication to sshbuf API; ok djm@markus@openbsd.org2018-07-101-11/+11
| | | | OpenBSD-Commit-ID: 880aa06bce4b140781e836bb56bec34873290641
* upstream: Explicit cast when snprintf'ing an uint64. Preventsdtucker@openbsd.org2018-05-111-2/+3
| | | | | | warnings on platforms where int64 is long not long long. ok djm@ OpenBSD-Commit-ID: 9c5359e2fbfce11dea2d93f7bc257e84419bd001
* upstream: Defend against user enumeration timing attacks. Thisdtucker@openbsd.org2018-04-131-1/+42
| | | | | | | | establishes a minimum time for each failed authentication attempt (5ms) and adds a per-user constant derived from a host secret (0-4ms). Based on work by joona.kannisto at tut.fi, ok markus@ djm@. OpenBSD-Commit-ID: b7845b355bb7381703339c8fb0e57e81a20ae5ca
* upstream: switch over to the new authorized_keys options API anddjm@openbsd.org2018-03-031-2/+2
| | | | | | | | | | | remove the legacy one. Includes a fairly big refactor of auth2-pubkey.c to retain less state between key file lines. feedback and ok markus@ OpenBSD-Commit-ID: dece6cae0f47751b9892080eb13d6625599573df
* Remove UNICOS support.Darren Tucker2018-02-151-8/+0
| | | | | | | The code required to support it is quite invasive to the mainline code that is synced with upstream and is an ongoing maintenance burden. Both the hardware and software are literal museum pieces these days and we could not find anyone still running OpenSSH on one.
* one SSH_BUG_BANNER instance that got awayDamien Miller2018-01-231-3/+0
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* upstream commitdjm@openbsd.org2018-01-231-2/+2
| | | | | | | | | | | | | Drop compatibility hacks for some ancient SSH implementations, including ssh.com <=2.* and OpenSSH <= 3.*. These versions were all released in or before 2001 and predate the final SSH RFCs. The hacks in question aren't necessary for RFC- compliant SSH implementations. ok markus@ OpenBSD-Commit-ID: 4be81c67db57647f907f4e881fb9341448606138
* upstream commitdjm@openbsd.org2017-06-241-1/+132
| | | | | | | | | | | refactor authentication logging optionally record successful auth methods and public credentials used in a file accessible to user sessions feedback and ok markus@ Upstream-ID: 090b93036967015717b9a54fd0467875ae9d32fb
* upstream commitmarkus@openbsd.org2017-06-011-2/+2
| | | | | | remove now obsolete ctx from ssh_dispatch_run; ok djm@ Upstream-ID: 9870aabf7f4d71660c31fda91b942b19a8e68d29
* upstream commitmarkus@openbsd.org2017-05-311-2/+2
| | | | | | use the ssh_dispatch_run_fatal variant Upstream-ID: 28c5b364e37c755d1b22652b8cd6735a05c625d8
* upstream commitmarkus@openbsd.org2017-05-311-13/+13
| | | | | | switch auth2 to ssh_dispatch API; ok djm@ Upstream-ID: a752ca19e2782900dd83060b5c6344008106215f
* upstream commitmarkus@openbsd.org2017-05-311-7/+5
| | | | | | protocol handlers all get struct ssh passed; ok djm@ Upstream-ID: 0ca9ea2a5d01a6d2ded94c5024456a930c5bfb5d
* upstream commitmarkus@openbsd.org2017-05-311-5/+9
| | | | | | sshd: pass struct ssh to auth functions; ok djm@ Upstream-ID: b00a80c3460884ebcdd14ef550154c761aebe488
* upstream commitdjm@openbsd.org2017-02-041-3/+9
| | | | | | | | | | | use ssh_packet_set_log_preamble() to include connection username in packet log messages, e.g. Connection closed by invalid user foo 10.1.1.1 port 44056 [preauth] ok markus@ bz#113 Upstream-ID: 3591b88bdb5416d6066fb3d49d8fff2375bf1a15
* upstream commitdjm@openbsd.org2016-05-021-3/+3
| | | | | | | | fix signed/unsigned errors reported by clang-3.7; add sshbuf_dup_string() to replace a common idiom of strdup(sshbuf_ptr()) with better safety checking; feedback and ok markus@ Upstream-ID: 71f926d9bb3f1efed51319a6daf37e93d57c8820
* upstream commitmarkus@openbsd.org2015-01-191-5/+7
| | | | move dispatch to struct ssh; ok djm@
* upstream commitdjm@openbsd.org2014-12-221-4/+2
| | | | | | | | | make internal handling of filename arguments of "none" more consistent with ssh. "none" arguments are now replaced with NULL when the configuration is finalised. Simplifies checking later on (just need to test not-NULL rather than that + strcmp) and cleans up some inconsistencies. ok markus@
* upstream commitdjm@openbsd.org2014-12-211-2/+2
| | | | | don't count partial authentication success as a failure against MaxAuthTries; ok deraadt@
* - millert@cvs.openbsd.org 2014/07/15 15:54:14Damien Miller2014-07-181-1/+2
| | | | | | | | | | | | | | | | [PROTOCOL auth-options.c auth-passwd.c auth-rh-rsa.c auth-rhosts.c] [auth-rsa.c auth.c auth1.c auth2-hostbased.c auth2-kbdint.c auth2-none.c] [auth2-passwd.c auth2-pubkey.c auth2.c canohost.c channels.c channels.h] [clientloop.c misc.c misc.h monitor.c mux.c packet.c readconf.c] [readconf.h servconf.c servconf.h serverloop.c session.c ssh-agent.c] [ssh.c ssh_config.5 sshconnect.c sshconnect1.c sshconnect2.c sshd.c] [sshd_config.5 sshlogin.c] Add support for Unix domain socket forwarding. A remote TCP port may be forwarded to a local Unix domain socket and vice versa or both ends may be a Unix domain socket. This is a reimplementation of the streamlocal patches by William Ahern from: http://www.25thandclement.com/~william/projects/streamlocal.html OK djm@ markus@
* - djm@cvs.openbsd.org 2014/07/03 11:16:55Damien Miller2014-07-031-2/+2
| | | | | | | [auth.c auth.h auth1.c auth2.c] make the "Too many authentication failures" message include the user, source address, port and protocol in a format similar to the authentication success / failure messages; bz#2199, ok dtucker
* - djm@cvs.openbsd.org 2014/01/29 06:18:35Damien Miller2014-02-041-10/+1
| | | | | | | [Makefile.in auth.h auth2-jpake.c auth2.c jpake.c jpake.h monitor.c] [monitor.h monitor_wrap.c monitor_wrap.h readconf.c readconf.h] [schnorr.c schnorr.h servconf.c servconf.h ssh2.h sshconnect2.c] remove experimental, never-enabled JPAKE code; ok markus@
* - djm@cvs.openbsd.org 2013/05/19 02:42:42Darren Tucker2013-06-011-2/+2
| | | | | | | | | | | [auth.h auth.c key.c monitor.c auth-rsa.c auth2.c auth1.c key.h] Standardise logging of supplemental information during userauth. Keys and ruser is now logged in the auth success/failure message alongside the local username, remote host/port and protocol in use. Certificates contents and CA are logged too. Pushing all logging onto a single line simplifies log analysis as it is no longer necessary to relate information scattered across multiple log entries. "I like it" markus@
* - djm@cvs.openbsd.org 2013/05/17 00:13:13Darren Tucker2013-06-011-9/+8
| | | | | | | | | | | | | | | | | | [xmalloc.h cipher.c sftp-glob.c ssh-keyscan.c ssh.c sftp-common.c ssh-ecdsa.c auth2-chall.c compat.c readconf.c kexgexs.c monitor.c gss-genr.c cipher-3des1.c kex.c monitor_wrap.c ssh-pkcs11-client.c auth-options.c rsa.c auth2-pubkey.c sftp.c hostfile.c auth2.c servconf.c auth.c authfile.c xmalloc.c uuencode.c sftp-client.c auth2-gss.c sftp-server.c bufaux.c mac.c session.c jpake.c kexgexc.c sshconnect.c auth-chall.c auth2-passwd.c sshconnect1.c buffer.c kexecdhs.c kexdhs.c ssh-rsa.c auth1.c ssh-pkcs11.c auth2-kbdint.c kexdhc.c sshd.c umac.c ssh-dss.c auth2-jpake.c bufbn.c clientloop.c monitor_mm.c scp.c roaming_client.c serverloop.c key.c auth-rsa.c ssh-pkcs11-helper.c ssh-keysign.c ssh-keygen.c match.c channels.c sshconnect2.c addrmatch.c mux.c canohost.c kexecdhc.c schnorr.c ssh-add.c misc.c auth2-hostbased.c ssh-agent.c bufec.c groupaccess.c dns.c packet.c readpass.c authfd.c moduli.c] bye, bye xfree(); ok markus@
* - markus@cvs.openbsd.org 2013/03/07 19:27:25Damien Miller2013-04-231-21/+55
| | | | | [auth.h auth2-chall.c auth2.c monitor.c sshd_config.5] add submethod support to AuthenticationMethods; ok and freedback djm@
* - djm@cvs.openbsd.org 2012/12/02 20:34:10Damien Miller2012-12-021-17/+20
| | | | | | | | | | | | | | | | [auth.c auth.h auth1.c auth2-chall.c auth2-gss.c auth2-jpake.c auth2.c] [monitor.c monitor.h] Fixes logging of partial authentication when privsep is enabled Previously, we recorded "Failed xxx" since we reset authenticated before calling auth_log() in auth2.c. This adds an explcit "Partial" state. Add a "submethod" to auth_log() to report which submethod is used for keyboard-interactive. Fix multiple authentication when one of the methods is keyboard-interactive. ok markus@
* - djm@cvs.openbsd.org 2012/11/04 11:09:15Damien Miller2012-11-041-18/+200
| | | | | | | | | | [auth.h auth1.c auth2.c monitor.c servconf.c servconf.h sshd.c] [sshd_config.5] Support multiple required authentication via an AuthenticationMethods option. This option lists one or more comma-separated lists of authentication method names. Successful completion of all the methods in any list is required for authentication to complete; feedback and ok markus@
* - djm@cvs.openbsd.org 2011/12/07 05:44:38Damien Miller2011-12-191-2/+2
| | | | | | [auth2.c dh.c packet.c roaming.h roaming_client.c roaming_common.c] fix some harmless and/or unreachable int overflows; reported Xi Wang, ok markus@
* - OpenBSD CVS SyncDamien Miller2011-05-051-2/+4
| | | | | | | | - djm@cvs.openbsd.org 2011/03/10 02:52:57 [auth2-gss.c auth2.c] allow GSSAPI authentication to detect when a server-side failure causes authentication failure and don't count such failures against MaxAuthTries; bz#1244 from simon AT sxw.org.uk; ok markus@ before lock
* - djm@cvs.openbsd.org 2010/08/31 09:58:37Damien Miller2010-08-311-5/+5
| | | | | | | | | | | | | | | | [auth-options.c auth1.c auth2.c bufaux.c buffer.h kex.c key.c packet.c] [packet.h ssh-dss.c ssh-rsa.c] Add buffer_get_cstring() and related functions that verify that the string extracted from the buffer contains no embedded \0 characters* This prevents random (possibly malicious) crap from being appended to strings where it would not be noticed if the string is used with a string(3) function. Use the new API in a few sensitive places. * actually, we allow a single one at the end of the string for now because we don't know how many deployed implementations get this wrong, but don't count on this to remain indefinitely.
* - dtucker@cvs.openbsd.org 2009/06/22 05:39:28Darren Tucker2009-06-221-1/+1
| | | | | | | [monitor_wrap.c monitor_mm.c ssh-keygen.c auth2.c gss-genr.c sftp-client.c] alphabetize includes; reduces diff vs portable and style(9). ok stevesk djm (Id sync only; these were already in order in -portable)
* - (dtucker) [auth2-jpake.c auth2.c canohost.h session.c] Whitespace andDarren Tucker2009-06-211-1/+1
| | | | header-order changes to reduce diff vs OpenBSD.
* - djm@cvs.openbsd.org 2008/11/04 08:22:13Damien Miller2008-11-051-1/+11
| | | | | | | | | | | | | | | | | | | | | [auth.h auth2.c monitor.c monitor.h monitor_wrap.c monitor_wrap.h] [readconf.c readconf.h servconf.c servconf.h ssh2.h ssh_config.5] [sshconnect2.c sshd_config.5 jpake.c jpake.h schnorr.c auth2-jpake.c] [Makefile.in] Add support for an experimental zero-knowledge password authentication method using the J-PAKE protocol described in F. Hao, P. Ryan, "Password Authenticated Key Exchange by Juggling", 16th Workshop on Security Protocols, Cambridge, April 2008. This method allows password-based authentication without exposing the password to the server. Instead, the client and server exchange cryptographic proofs to demonstrate of knowledge of the password while revealing nothing useful to an attacker or compromised endpoint. This is experimental, work-in-progress code and is presently compiled-time disabled (turn on -DJPAKE in Makefile.inc). "just commit it. It isn't too intrusive." deraadt@
* - djm@cvs.openbsd.org 2008/07/04 23:30:16Damien Miller2008-07-051-2/+7
| | | | | | | | | | [auth1.c auth2.c] Make protocol 1 MaxAuthTries logic match protocol 2's. Do not treat the first protocol 2 authentication attempt as a failure IFF it is for method "none". Makes MaxAuthTries' user-visible behaviour identical for protocol 1 vs 2. ok dtucker@
* - djm@cvs.openbsd.org 2008/07/02 13:30:34Darren Tucker2008-07-041-2/+2
| | | | | [auth2.c] really really remove the freebie "none" auth try for protocol 2
* - djm@cvs.openbsd.org 2008/07/02 12:36:39Darren Tucker2008-07-021-4/+74
| | | | | | | | | | | | | | | | | | [auth2-none.c auth2.c] Make protocol 2 MaxAuthTries behaviour a little more sensible: Check whether client has exceeded MaxAuthTries before running an authentication method and skip it if they have, previously it would always allow one try (for "none" auth). Preincrement failure count before post-auth test - previously this checked and postincremented, also to allow one "none" try. Together, these two changes always count the "none" auth method which could be skipped by a malicious client (e.g. an SSH worm) to get an extra attempt at a real auth method. They also make MaxAuthTries=0 a useful way to block users entirely (esp. in a sshd_config Match block). Also, move sending of any preauth banner from "none" auth method to the first call to input_userauth_request(), so worms that skip the "none" method get to see it too.
* - dtucker@cvs.openbsd.org 2007/09/29 00:25:51Damien Miller2007-10-261-2/+1
| | | | | [auth2.c] Remove unused prototype. ok djm@
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