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* dropbear: add option to set max auth triesStijn Tintel2017-06-282-2/+4
| | | | | | | Add a uci option to set the new max auth tries paramater in dropbear. Set the default to 3, as 10 seems excessive. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* dropbear: server support option '-T' max auth triesKevin Darbyshire-Bryant2017-06-282-2/+132
| | | | | | | | | | | | Add support for '-T n' for a run-time specification for maximum number of authentication attempts where 'n' is between 1 and compile time option MAX_AUTH_TRIES. A default number of tries can be specified at compile time using 'DEFAULT_AUTH_TRIES' which itself defaults to MAX_AUTH_TRIES for backwards compatibility. Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
* dropbear: fix service trigger syntax errorKevin Darbyshire-Bryant2017-06-162-2/+2
| | | | | | The classic single '&' when double '&&' conditional was meant. Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
* dropbear: bump to 2017.75Kevin Darbyshire-Bryant2017-05-212-17/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | - Security: Fix double-free in server TCP listener cleanup A double-free in the server could be triggered by an authenticated user if dropbear is running with -a (Allow connections to forwarded ports from any host) This could potentially allow arbitrary code execution as root by an authenticated user. Affects versions 2013.56 to 2016.74. Thanks to Mark Shepard for reporting the crash. CVE-2017-9078 https://secure.ucc.asn.au/hg/dropbear/rev/c8114a48837c - Security: Fix information disclosure with ~/.ssh/authorized_keys symlink. Dropbear parsed authorized_keys as root, even if it were a symlink. The fix is to switch to user permissions when opening authorized_keys A user could symlink their ~/.ssh/authorized_keys to a root-owned file they couldn't normally read. If they managed to get that file to contain valid authorized_keys with command= options it might be possible to read other contents of that file. This information disclosure is to an already authenticated user. Thanks to Jann Horn of Google Project Zero for reporting this. CVE-2017-9079 https://secure.ucc.asn.au/hg/dropbear/rev/0d889b068123 Refresh patches, rework 100-pubkey_path.patch to work with new authorized_keys validation. Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
* dropbear: fix procd interface trigger installHans Dedecker2017-04-261-1/+3
| | | | | | | | Install procd interface triggers only for interfaces which are enabled so dropbear instances running on (an) enabled interface(s) are not restarted due to an interface trigger of an interface which is disabled. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dropbear: bump PKG_RELEASEStijn Tintel2017-02-171-1/+1
| | | | Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* dropbear: enable SHA256 HMACsJoseph C. Sible2017-02-101-3/+2
| | | | | | | The only HMACs currently available use MD5 and SHA1, both of which have known weaknesses. We already compile in the SHA256 code since we use Curve25519 by default, so there's no significant size penalty to enabling this. Signed-off-by: Joseph C. Sible <josephcsible@users.noreply.github.com>
* build: use mkhash to replace various quirky md5sum/openssl callsFelix Fietkau2017-01-051-1/+1
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* treewide: clean up download hashesFelix Fietkau2016-12-161-1/+1
| | | | | | Replace *MD5SUM with *HASH, replace MD5 hashes with SHA256 Signed-off-by: Felix Fietkau <nbd@nbd.name>
* dropbear: clean up default PATH handling in makefileDario Ernst2016-12-142-14/+2
| | | | | | | | Harmonise handling of DEFAULT_PATH by removing the patch introducing #ifndef guards around the path, and only using one means to set the path in the makefile. Signed-off-by: Dario Ernst <Dario.Ernst@riverbed.com>
* config: enable shadow passwords unconditionallyMatthias Schiffer2016-09-261-1/+0
| | | | | | | | | | | | | Configurations without shadow passwords have been broken since the removal of telnet: as the default entry in /etc/passwd is not empty (but rather unset), there will be no way to log onto such a system by default. As disabling shadow passwords is not useful anyways, remove this configuration option. The config symbol is kept (for a while), as packages from feeds depend on it. Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
* dropbear: hide dropbear versionKevin Darbyshire-Bryant2016-09-101-0/+4
| | | | | | | | | | | | As security precaution and to limit the attack surface based on the version reported by tools like nmap mask out the dropbear version so the version is not visible anymore by snooping on the wire. Version is still visible by 'dropbear -V' Based on a patch by Hans Dedecker <dedeckeh@gmail.com> Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk> Signed-off-by: Felix Fietkau <nbd@nbd.name> [remove trailing _]
* dropbear: mdns flag is a bool, not integerKarl Palsson2016-09-051-1/+1
| | | | | | Effectively the same for most purposes, but more accurate. Signed-off-by: Karl Palsson <karlp@etactica.com>
* dropbear: security update to 2016.74Jo-Philipp Wich2016-08-121-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | - Security: Message printout was vulnerable to format string injection. If specific usernames including "%" symbols can be created on a system (validated by getpwnam()) then an attacker could run arbitrary code as root when connecting to Dropbear server. A dbclient user who can control username or host arguments could potentially run arbitrary code as the dbclient user. This could be a problem if scripts or webpages pass untrusted input to the dbclient program. - Security: dropbearconvert import of OpenSSH keys could run arbitrary code as the local dropbearconvert user when parsing malicious key files - Security: dbclient could run arbitrary code as the local dbclient user if particular -m or -c arguments are provided. This could be an issue where dbclient is used in scripts. - Security: dbclient or dropbear server could expose process memory to the running user if compiled with DEBUG_TRACE and running with -v The security issues were reported by an anonymous researcher working with Beyond Security's SecuriTeam Secure Disclosure www.beyondsecurity.com/ssd.html Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* dropbear: remove procd_open_trigger/procd_close_trigger callsFelix Fietkau2016-07-291-2/+0
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* dropbear: Fix incorrect CONFIG_TARGET_INIT_PATH.Dario Ernst2016-05-241-2/+2
| | | | | | | Fix a „semantic typo“ introduced in b78aae793e20e06defa1e75ab4d30dbb6807c139, where TARGET_INIT_PATH was used instead of CONFIG_TARGET_INIT_PATH. Signed-off-by: Dario Ernst <Dario.Ernst@riverbed.com>
* dropbear: update to 2016.73Jo-Philipp Wich2016-05-136-28/+18
| | | | | | | | | | | | | Update the dropbear package to version 2016.73, refresh patches. The measured .ipk sizes on an x86_64 build are: 94588 dropbear_2015.71-3_x86_64.ipk 95316 dropbear_2016.73-1_x86_64.ipk This is an increase of roughly 700 bytes after compression. Tested-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk> Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* dropbear: Add --disable-utmpx againHans Dedecker2016-05-121-0/+1
| | | | | | | The option --disable-utmpx was deleted by accident in commit 7545c1d; add it again to the CONFIGURE_ARGS list Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dropbear: Add procd interface triggers when interface config is specifiedHans Dedecker2016-04-282-2/+22
| | | | | | | | | A dropbear instance having an interface config won't start if the interface is down as no IP address is available. Adding interface triggers for each configured interface executing the dropbear reload script will start the dropbear instance when the interface is up. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dropbear: Make utmp and putuline support configurable via seperate config ↵Hans Dedecker2016-04-282-3/+17
| | | | | | | | | options Utmp support tracks who is currenlty logged in by logging info to the file /var/run/utmp (supported by busybox) Putuline support will use the utmp structure to write to the utmp file Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* dropbear: honor CONFIG_TARGET_INIT_PATHJo-Philipp Wich2016-02-082-6/+17
| | | | | | Signed-off-by: Jo-Philipp Wich <jow@openwrt.org> SVN-Revision: 48679
* dropbear: update version to 2015.71Felix Fietkau2016-01-155-10/+10
| | | | | | | | | Update dropbear to version 2015.71, released on 3 Dec 2015. Refresh patches. Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi> SVN-Revision: 48243
* dropbear: enable curve25519 support by default, increases compressed binary ↵Felix Fietkau2016-01-101-1/+1
| | | | | | | | size by ~5 kb Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48196
* dropbear: split out curve25519 support into a separate config optionFelix Fietkau2016-01-102-4/+19
| | | | | | Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 48195
* dropbear: add respawn param in case dropbear crashesFelix Fietkau2015-09-241-0/+1
| | | | | | Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com> SVN-Revision: 47033
* dropbear: remove generation and configuration of DSS keysSteven Barth2015-09-082-9/+4
| | | | | | Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46815
* dropbear: disable 3des, cbc mode, dss support, saves about 5k gzippedFelix Fietkau2015-09-081-1/+20
| | | | | | | | | While technically required by the RFC, they are usually completely unused (DSA), or have security issues (3DES, CBC) Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 46814
* Disable telnet in favor of passwordless SSHSteven Barth2015-09-074-1/+41
| | | | | | | | | | This enables passworldless login for root via SSH whenever no root password is set (e.g. after reset, flashing without keeping config or in failsafe) and removes telnet support alltogether. Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46809
* dropbear: bump to 2015.68Steven Barth2015-09-027-12/+12
| | | | | | Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 46769
* dropbear: update to 2015.67Steven Barth2015-04-187-414/+16
| | | | | | | | | | | fixes dbclient login into OpenSSH 6.8p1 error: "Bad hostkey signature" reported on irc, replicated with Arch Linux Signed-off-by: Dirk Neukirchen <dirkneukirchen@web.de> SVN-Revision: 45493
* package/*: replace occurences of 'ln -sf' to '$(LN)'Nicolas Thill2014-11-061-5/+5
| | | | | | Signed-off-by: Nicolas Thill <nico@openwrt.org> SVN-Revision: 43205
* scripts: fix wrong usage of '==' operatorJohn Crispin2014-10-141-1/+1
| | | | | | | | | | | | | | [base-files] shell-scripting: fix wrong usage of '==' operator normally the '==' is used for invoking a regex parser and is a bashism. all of the fixes just want to compare a string. the used busybox-ash will silently "ignore" this mistake, but make it portable/clean at least. this patch does not change the behavior/logic of the scripts. Signed-off-by: Bastian Bittorf <bittorf@bluebottle.com> SVN-Revision: 42911
* dropbear: ensure the interface has an ip-addressSteven Barth2014-10-091-11/+12
| | | | | | | | | | | | Use network_get_ipaddrs_all to get all ip-addresses of an interface. If the function fails, the interface does not exists or has not any suiteable ip addresses assigned. Use the returned ip-address(es) to construct the dropbear listen address. Signed-off-by: Mathias Kresin <openwrt@kresin.me> SVN-Revision: 42857
* dropbear: add mdns support to the init.d scriptJohn Crispin2014-08-291-2/+5
| | | | | | Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 42326
* package/*: remove useless explicit set of function returncodeJohn Crispin2014-08-251-1/+0
| | | | | | | | | | | | | | | | | | | | | | somebody started to set a function returncode in the validation stuff and everybody copies it, e.g. myfunction() { fire_command return $? } a function automatically returns with the last returncode, so we can safely remove the command 'return $?'. reference: http://tldp.org/LDP/abs/html/exit-status.html "The last command executed in the function or script determines the exit status." Signed-off-by: Bastian Bittorf <bittorf@bluebottle.com> SVN-Revision: 42278
* dropbear: restore performance by disabling mips16Jonas Gorski2014-08-211-1/+2
| | | | | | | | | | | | Disable MIPS16 to prevent it negatively affecting performance. Observed was a increase of connection delay from ~6 to ~11 seconds and a reduction of scp speed from 1.1MB/s to 710kB/s on brcm63xx. Fixes #15209. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 42250
* dropbear: fix keepalive moreJonas Gorski2014-08-211-0/+333
| | | | | | | | | | | Add a further upstream commit to more closely match the keepalive to OpenSSH. Should now really fix #17523. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 42249
* dropbear: fix keepalive with puttyJonas Gorski2014-08-131-0/+58
| | | | | | | | | | | Don't send SSH_MSG_UNIMPLEMENTED for keepalive responses, which broke at least putty. Fixes #17522 / #17523. Signed-off-by: Jonas Gorski <jogo@openwrt.org> SVN-Revision: 42162
* dropbear: update to 2014.65Steven Barth2014-08-115-10/+10
| | | | | | Signed-off-by: Steven Barth <steven@midlink.org> SVN-Revision: 42131
* dropbear: make missing variables localJohn Crispin2014-06-021-1/+1
| | | | | | Signed-off-by: Reiner Herrmann <reiner@reiner-h.de> SVN-Revision: 40914
* dropbear: move options.h editing to Build/ConfigureFelix Fietkau2014-03-291-3/+3
| | | | | | | | | fixes incremental build with change to CONFIG_DROPBEAR_ECC drop --with-shared which is unknown to configure Patch by Catalin Patulea <cat@vv.carleton.ca> SVN-Revision: 40300
* dropbear: add options SSHKeepAlive and IdleTimeout.Felix Fietkau2014-03-291-1/+5
| | | | | | | | | | | | | | | | Without timeout mechanism, if ssh client disconnected without sending FIN or RST, forked dropbear servers would hang there for KEX_RETRY_TIMEOUT seconds (8 hours). TCP keepalive is not implemented in dropbear yet, thus the name SSHKeepAlive. 300 seconds in this patch is selected from the default value of ServerAliveInterval for Debian ssh client (See man ssh_config). Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com> SVN-Revision: 40299
* dropbear: fix interface config settingFelix Fietkau2014-03-291-2/+2
| | | | | | Patch from #15070 SVN-Revision: 40298
* dropbear: update to 2014.63Felix Fietkau2014-03-297-52/+61
| | | | | | | | | | | | | | | | | Upstream changelog: https://matt.ucc.asn.au/dropbear/CHANGES This adds elliptic curve cryptography (ECC) support as an option, disabled by default. dropbear mips 34kc uClibc binary size: before: 161,672 bytes after, without ECC (default): 164,968 after, with ECC: 198,008 Signed-off-by: Catalin Patulea <cat@vv.carleton.ca> SVN-Revision: 40297
* procd: fixup 2 wrong option typesJohn Crispin2013-11-131-1/+1
| | | | | | Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 38789
* procd: convert services to the new validation apiJohn Crispin2013-11-131-58/+51
| | | | | | Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 38787
* dropbear: add dropbear.nl mirror, provided by dropbear maintainerJo-Philipp Wich2013-10-151-1/+2
| | | | | | Signed-off-by: Catalin Patulea <cat@vv.carleton.ca> SVN-Revision: 38413
* dropbear: update to 2013.59 (released 4 october 2013)Jo-Philipp Wich2013-10-108-38/+22
| | | | | | | | | | | - drop mirror www.mirrors.wiretapped.net (not working anymore) - drop patch 300-ipv6_addr_port_split.patch, included upstream - refresh patches - various upstream changes: http://matt.ucc.asn.au/dropbear/CHANGES Signed-off-by: Catalin Patulea <cat@vv.carleton.ca> SVN-Revision: 38356
* fix various init scriptsLuka Perkov2013-09-231-2/+1
| | | | | | | | | | | | Changes include: * removing unused variables * replacing spaces with tabs where appropriate * more consistency with variable declarations Signed-off-by: Luka Perkov <luka@openwrt.org> SVN-Revision: 38142
* procd: convert various packages to procd style init.d scriptsJohn Crispin2013-09-171-1/+1
| | | | | | Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 38023
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