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* clear passwords with explicit_bzeroHiltjo Posthuma2016-08-131-2/+6
| | | | | | | | | | | | | | | | Make sure to explicitly clear memory that is used for password input. memset is often optimized out by the compiler. Brought to attention by the OpenBSD community, see: https://marc.info/?t=146989502600003&r=1&w=2 Thread subject: x11/slock: clear passwords with explicit_bzero Changes: - explicit_bzero.c import from libressl-portable. - Makefile: add COMPATSRC for compatibility src. - config.mk: add separate *BSD section in config.mk to simply uncomment it on these platforms.
* Revert "No need for usage()"Markus Teich2016-02-151-2/+15
| | | | | | | | | | This reverts most of commit a6dc051e3744ce5b14c54d2d246d3e8258207e76 and fixes some related stuff: - keep spelling fixes from original commit - make -h and -v also work when followed by more arguments - any unknown flag prints usage - fix output of -v to display "slock: version 1.3" instead of "slock: slock-1.3"
* revert using argv0 and minor fixupMarkus Teich2016-02-151-9/+6
| | | | | | - use hardcoded "slock" instead of argv[0] - add "slock: " to fprintf calls, where it was missing - revert `argc--, argv++` shifting
* Use argv0 instead of passing "slock:" to die every timeFRIGN2016-02-141-12/+16
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* No need for usage()FRIGN2016-02-141-14/+2
| | | | | | | | | | | | | | | | | There are 2 arguments why -v and -h are broken: 1) if you are running off git, -v will show the last stable release, effectively making this option useless. people running stable versions leave open an attack surface this way in case there are vulnerabilities found. 99% of the people are also using package managers to keep their software up to date, instead of running $TOOL -v to check how old it is. 2) -h is a sad excuse for not just looking at the manual page (man 1 slock). Given we accept a post_lock_command, we can't be as liberal and just intercept certain flags. I changed the manpage to reflect this change.
* Simplify the oom-taming-functionFRIGN2016-02-141-14/+6
| | | | | | | | | | | | There really is no need to source a defined variable from a linux header. The OOM-rank ranges from -1000 to 1000, so we can safely hardcode -1000, which is a sane thing to do given slock is suid and we don't want to play around too much here anyway. On another notice, let's not forget that this still is a shitty heuristic. The OOM-killer still can kill us (thus I also changed the wording in the error-message. We do not disable the OOM-killer, we're just hiding.
* update copyright year in -v outputMarkus Teich2016-02-111-1/+1
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* add hint for suid to oom error messageMarkus Teich2016-01-291-1/+1
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* error messages on grab failureMarkus Teich2016-01-181-14/+16
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* code style fixMarkus Teich2016-01-181-18/+9
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* add option to run command after screen is lockedMarkus Teich2015-12-261-2/+10
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* Don't change to failure colour on successDavid Phillips2015-08-271-1/+1
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* Slightly safer OOM killer disablement in linuxDavid Phillips2015-07-061-1/+12
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* rework setting window colorMarkus Teich2015-05-081-10/+7
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* consistently use () with sizeofMarkus Teich2015-05-081-2/+2
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* Option to not show failure color on clearNick Currier2015-05-081-3/+6
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* resize lockscreen window after Xrandr resizeMarkus Teich2015-04-011-2/+16
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* Blank the screen with color 0, add third color for failed loginsDavid Phillips2015-04-011-9/+18
| | | | | | | | | | | | | | | - Adds another color in config.def.h, COLOR_INIT - Renames the colours from numerical ones to ones with meaningful names; COLOR_INPUT for when there is content in the input buffer and COLOR_EMPTY for when the input buffer has been cleared (backspaced or a failed attempt). - Ensures XFreeColors frees the right number of colours. This is now derived from the size of `Lock->colors` rather than being an integer literal. - Makes slock exhibit the behaviour described by Markus The default colours are the same as the ones slock currently uses, with the exception of the new color, which I have set to red, as it indicates someone has either failed an attempt to unlock, or that they have entered input and erased it all.
* applied Dimitris' style patch from Dec'14, with some minor modificationsAnselm R Garbe2015-01-271-52/+60
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* fixed usage string1.2Anselm R Garbe2014-12-221-1/+1
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* applied sin's patch and prepared new releaseAnselm R Garbe2014-12-221-0/+2
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* end{pw,sp}ent() can only be called after get{pw,sp}ent()sin2014-11-091-2/+0
| | | | Calling them unconditionally can result in memory corruption.
* Only check errno if getpwuid() failssin2014-07-091-4/+6
| | | | Checking errno otherwise is unspecified.
* Add /etc/passwd supportFRIGN2014-06-091-2/+2
| | | | | Fix slock to work with /etc/passwd without /etc/shadow. while we're at it, remove an occurence of trailing whitespace.
* Set errno to 0 before getpwuid() and check it afterwardssin2014-01-291-1/+4
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* applied Robert Schneider's Linux suggestions, also bumped version and ↵Anselm R Garbe2013-08-021-8/+28
| | | | updated LICENSE file's copyright notice
* applied andres' multi-slock fix, thanks for spotting this issuegarbeam@gmail.com2012-08-021-3/+14
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* added Ben's password placeholder entry kludgeanselm@garbe.us2012-04-151-1/+1
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* applied Eckehard Bern's dualcolor patch to slockanselm@garbe.us2012-03-171-5/+22
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* select for SubstructureRedirectMask as wellanselm@garbe.us2012-02-091-0/+2
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* fixed missing new linesanselm@garbe.us2012-02-091-2/+2
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* typo fixanselm@garbe.us2012-02-051-1/+1
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* added XRaiseWindow workaround when new clients are launchedanselm@garbe.us2012-02-051-51/+35
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* applied Michaels patchgarbeam@gmail.com2012-01-241-2/+4
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* added dummy error handler to prevent X from terminating slock just in caseanselm@garbe.us2012-01-221-8/+14
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* applied Markus' patch to die in case /etc/passwd is unavailableAnselm R Garbe2011-04-211-0/+3
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* applied Fernando Silveira's multiscreen patch for old style multihead setupsAnselm R Garbe2009-11-261-69/+151
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* applied Ali Gholami Rudi's patch regarding DPMS timeout customization and ↵a@null2008-12-121-4/+9
| | | | persistence
* prepared releaseAnselm R Garbe2008-07-291-3/+4
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* removed useless chars, prepared releaseAnselm R Garbe2008-07-291-8/+6
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* s/d//Anselm R Garbe2008-04-091-1/+1
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* yet another DPMS fix, still trying to prevent the error handlerAnselm R Garbe2008-04-091-1/+3
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* fixed DPMS crashing issueAnselm R Garbe2008-04-081-3/+7
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* applied two patches, BSD_AUTH patch and Gottox' DPMS support patch0.8Anselm R Garbe2008-02-221-4/+30
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* removed Sander from -v by requestAnselm R. Garbe2007-11-251-1/+1
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* next version will be 0.8Anselm R. Garbe2007-11-241-1/+3
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* final fixes and cleanups0.7Anselm R. Garbe2007-11-241-16/+19
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* applied Ryan Sorensen bugfix which allows slock to acquire the keyboard grab ↵arg@suckless.org2007-11-131-1/+1
| | | | asynchroneously
* updating copyright stuff in slock as wellAnselm R. Garbe2007-04-131-4/+3
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* grab on the root window, it is correct, all lockers do that0.6Anselm R. Garbe2007-03-071-3/+2
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