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163 Commits

Author SHA1 Message Date
Hisham Muhammad 543d65c6ab Security review: make privilege dropping-restoring optional. 
This is/was necessary only on macOS, because you needed root in order
to read the process list. This was never necessary on Linux, and
it also raises security concerns, so now it needs to be enabled
explicitly at build time.
 2017-07-26 15:40:55 -03:00
Hisham Muhammad e940aecfb9 Add "no perm" status when other fields fail due to lack of permission. 
Thanks @Sworddragon for the heads up.
See #88.
 2017-07-10 20:57:34 -03:00
Tomasz Kramkowski 2b5c1b4b13 Replace all uses of sprintf with snprintf 
In all the cases where sprintf was being used within htop, snprintf
could have been used. This patch replaces all uses of sprintf with
snprintf which makes sure that if a buffer is too small to hold the
resulting string, the string is simply cut short instead of causing
a buffer overflow which leads to undefined behaviour.

`sizeof(variable)` was used in these cases, as opposed to `sizeof
variable` which is my personal preference because `sizeof(variable)`
was already used in one way or another in other parts of the code.
 2016-12-29 19:42:41 +01:00
Hisham 8af4d9f453 Interpret TTY_NR column on Linux, 
translate dev_t to major:minor on other platforms.
Closes #316.
 2016-10-01 03:09:04 -03:00
Ivan Kozik 07086fcf77 Fix column misalignment for priority -101 threads 
BFS-patched kernels can have kernel threads with priority -101.
This change makes priority -101 display as "RT", just like priority -100.

Related: https://github.com/hishamhm/htop/issues/314
 2016-09-06 09:22:38 +00:00
Hisham 7d5ef246f1 Let's keep it simple then! 2016-06-20 12:11:49 -03:00
Hisham 52f814481c While we're at it, get rid of another sprintf. 2016-06-19 18:30:20 -03:00
Hisham 7ededce9b5 Silence cast warning. 2016-05-30 12:22:07 -03:00
Hisham fa0c637c55 Silence warnings about seteuid return value. 
Closes #483.
 2016-05-25 21:37:07 -03:00
Hisham fa1b5d1e2e Fix a small undefined behavior detected by libubsan. 2016-05-04 15:34:22 -03:00
Hisham 797bcd0961 Catch invalid IO values due to no permissions. 
Display them properly. Not fully convinced of the "no perm" message...
 2016-02-20 02:23:26 -02:00
Hisham f1f805f29f Support -1 as tpgid 2016-02-10 18:48:04 -02:00
Hisham 1cfcc42a8f Reuse comm object if possible, avoid useless repetitions of free+strdup. 2016-02-02 15:56:52 +01:00
Michael Klein ab3a7c2fa8 drop privileges before changing process priority or sending signals 
- replaces uid check from d18e9a4895
 2015-12-07 20:10:09 +01:00
Michael Klein d18e9a4895 add some security checks when running SUID root 
on Darwin, htop needs to run with root privileges to display information
about other users processes. This commit makes running htop SUID root a
bit more safe.
 2015-12-02 22:56:01 +01:00
Hisham Muhammad 9428010121 Make column width calculation dynamic. 
Closes #228.
 2015-08-20 00:32:47 -03:00
David Hunt 5e602f18d5 Rename String to StringUtils. 
Fixes building on case-insensitive filesystems where String.h gets confused with <string.h>.

From d734dacea0a10d0465dad4e95b3421511e7da112 Mon Sep 17 00:00:00 2001
From: David Hunt <dhunt@iolanthe.attlocal.net>
Date: Sat, 11 Jul 2015 20:56:31 -0500
Subject: [PATCH 1/8] Rename String to StringUtils
 2015-08-19 13:45:20 -03:00
Tobias Geerinckx-Rice 293eec4265 New setting: "Show program path" 
Add a setting to hide all but the last component from the programme
path, leaving only the "basename". Makes htop more usable on smaller
screens, or systems with longer than average paths. Off by default.

"Highlight program basename" will still be respected, to further
visually separate process names from their arguments.
 2015-08-07 14:20:14 +02:00
sherpya a8e1c1c63f added missing defines for android 2015-05-20 04:30:11 +02:00
Hisham Muhammad d880def0e9 Merge branch 'master' into wip 
Conflicts:
	Process.c
	Process.h
	htop.c
	linux/LinuxProcess.c
	linux/LinuxProcess.h
	test_spec.lua
 2015-04-02 01:57:37 -03:00
Hisham Muhammad 4c24a9b462 Fixes to subclassing Process. 2015-03-31 23:23:10 -03:00
Hisham Muhammad b1b3f57976 Tempus fugit. 
Conflicts:
	htop.c
	htop.h
 2015-03-23 18:15:56 -03:00
Hisham Muhammad 1e0c530a46 Tempus fugit. 2015-03-21 16:52:54 -03:00
Hisham Muhammad 272e2d9b34 Major advances in FreeBSD port. 2015-03-16 23:02:03 -03:00
Hisham Muhammad be1700cf94 Isolate portable and Linux-specific process fields. 2015-03-16 01:43:04 -03:00
Hisham Muhammad e3fe3962cb Move more Linux-specific code into Linux subdir. 2015-03-15 20:29:13 -03:00
Hisham Muhammad 0a184b769f Merge fixes 2015-02-23 03:53:36 -03:00
Hisham Muhammad 9780c312f4 Fix allocation of processes. Closes #166. 
Conflicts:
	Process.c
	Process.h
	ProcessList.c
	ScreenManager.c
	linux/LinuxProcessList.c
 2015-02-23 01:13:40 -03:00
Hisham Muhammad 6f868b00c0 Fix allocation of processes. Closes #166. 2015-02-20 14:52:10 -02:00
Hisham Muhammad 3383d8e556 Sorry about the mega-patch. 
This is a work-in-progress, code is currently broken.
(Some actions, and notably, the header, are missing.)
 2015-01-21 23:27:31 -02:00
Hisham Muhammad b4f6b11092 Move "get max pid" code into platform specific area. 2014-11-27 20:10:23 -02:00
Hisham Muhammad aaaaf063a1 Builds on Linux again! 2014-11-24 19:22:50 -02:00
Hisham Muhammad eb229d9aef Changes for supporting separate platform subdirectories. 2014-11-24 18:55:03 -02:00
Valmiky Arquissandas b2e94d626d Fixed a wrong attribution. 2014-10-14 02:48:17 +01:00
Valmiky Arquissandas 64e0d9452d Added new color for 'D' state. 2014-10-14 02:30:17 +01:00
Hisham Muhammad f54a37b4a9 Update values for fields whose columns may appear later. Fixes #80. 2014-05-03 17:51:19 -03:00
Hisham Muhammad c3e66b2d81 Make VPID use PID-width format. Closes #79. 2014-05-03 17:26:11 -03:00
Hisham Muhammad 78d09f955a Compare with long, for 64-bit systems 2014-04-25 19:41:23 -03:00
Hisham Muhammad d7e5020169 Merge branch 'master' of https://github.com/hishamhm/htop 2014-04-25 19:37:41 -03:00
Hisham Muhammad ea191b53bd Fix time-based sorting 2014-04-25 19:37:07 -03:00
Hisham Muhammad e0209da88f Support pagefaults stats. Closes #45. 2014-04-24 19:40:47 -03:00
Hisham Muhammad 2f30cd1070 Boost field buffer size - crashes when trying to draw very deep UTF-8 trees 
Test by nesting 30 shells
Patch from ArchLinux. Closes #65.
 2014-04-24 15:08:32 -03:00
Hisham Muhammad a939cdf827 Better consistency in coloring. Closes #66. 
For now rates won't be colored gray when zero; I'll think about that.
 2014-04-24 15:00:09 -03:00
Hisham Muhammad f86851766b Both IO_PRIO and IO_RATE had the same column heading. Closes #61. 2014-04-24 12:52:26 -03:00
Hisham Muhammad 0a4ddab2a4 Use proper format string for unsigned data. 2014-04-21 19:00:12 -03:00
Hisham Muhammad 1ac517be52 Fix padding in large numbers. (See #40) 2014-04-10 13:22:33 -03:00
Hisham Muhammad 96858744b5 Avoid "else" trick with #ifdef, hopefully makes code easier to follow. 2014-04-09 23:14:41 -03:00
Hisham Muhammad 5d6ad853fa Support for very large numbers, now tested on a 64-bit machine. 2014-04-09 22:49:36 -03:00
Hisham Muhammad 127f847ca5 Support really large numbers on 64-bit architectures; first try. 2014-04-09 22:32:54 -03:00
Hisham Muhammad cb297af848 Fix invalid access when highlighting basename of threads. 2014-04-09 17:43:54 -03:00
Hisham Muhammad f2a190b0e9 New logic for highlighting basenames with spaces 2014-02-27 17:11:23 -03:00
Hisham Muhammad 6d90e58c01 alignment improvements 2014-02-27 16:35:22 -03:00
Leigh Simpson da236ca318 Added additional column to monitor OOM killer score of each process 2014-01-29 22:41:55 +00:00
zed_0xff 7afda7f5a1 fix column shift on wrong megabytes format 
see http://0xff.me/htop_bug.png
 2014-01-21 11:35:53 +03:00
Hisham Muhammad 76a715ee8c Fix order of calloc arguments. 
(Patch by Dawid Gajownik)
 2014-01-16 18:51:16 -02:00
Hisham Muhammad 6cfa9e0bf2 Performance improvements due to conditional parsing of IO data depending on selected fields. 
On my machine, this gives a ~20% improvement in htop process time use with the default config.
 2013-05-24 22:46:01 +00:00
Hisham Muhammad 00b324bfc1 Changes in object model: separate class objects to store vtable. Also, nicer UTF-8 display of big numbers. 2012-12-05 15:12:20 +00:00
Hisham Muhammad 259e1a2938 fixes PGRP and SESN columns in case of big pids. Patch #3567904. 2012-10-20 01:45:41 +00:00
Hisham Muhammad 47e881f460 Add IO priority support ('i' key) 2012-10-04 23:59:45 +00:00
Hisham Muhammad 078b831696 don't downcast to int before determining number of hours 2012-06-25 03:06:36 +00:00
Hisham Muhammad 45f7a4fc8d Remove old memory debugging routines. We have Valgrind nowadays. 2011-12-26 22:04:29 +00:00
Hisham Muhammad 84281bdc44 major header cleanup 2011-12-26 21:35:57 +00:00
Hisham Muhammad 9c44f589d2 show proper values for very large times 2011-12-14 23:29:07 +00:00
Hisham Muhammad bc87a8ff8c Remove bundled hwloc-1.2.1. Use either native Linux affinity support or an external libhwloc. 
(for details see https://sourceforge.net/mailarchive/forum.php?thread_name=CAJpkDYeZpwqcWxZ77wq6bMrnhn-KzkU1xAqb3cU0drfnA3n9FQ%40mail.gmail.com&forum_name=htop-general )
 2011-11-21 02:52:41 +00:00
Hisham Muhammad 7ca1081712 Mega-commit with features and tweaks for 1.0: 
* Performance improvements
* Support for splitting CPU meters into two or four columns
  (thanks to Wim Heirman)
* Switch from PLPA, which is now deprecated, to HWLOC.
* Bring back support for native Linux sched_setaffinity,
  so we don't have to use HWLOC where we don't need to.
* Support for typing in user names and column fields in selection panels.
 2011-11-18 06:08:56 +00:00
Hisham Muhammad ca6b9238a3 Support for UTF-8 tree drawing 
(thanks to Bin Guo)
 2011-11-03 22:12:12 +00:00
Hisham Muhammad d1b1cbc757 cleanups and fixes, thanks to cppcheck and gcc -Wextra 2011-10-25 00:05:46 +00:00
Hisham Muhammad 75080ce79d Use wider PID columns in 64-bit machines with larger pid_max values. 2011-09-29 18:40:23 +00:00
Hisham Muhammad ec17b7029a Convert affinity control from the deprecated PLPA to HWLOC 2011-09-24 00:30:47 +00:00
Hisham Muhammad 3e265ce4ab Add missing header titles. Closes #3152630. 2011-09-08 04:21:31 +00:00
Hisham Muhammad 9b3514062f nicer display for large numbers 2011-05-26 16:31:18 +00:00
Hisham Muhammad 219bb9ccff handle large values for process time 2011-03-28 19:06:06 +00:00
Hisham Muhammad a9c0ea3753 * Option for counting CPUs from zero 
(thanks to Sean Noonan)
* Meters update in every screen (no longer halting while on Setup, etc.)
 2011-03-22 20:37:08 +00:00
Hisham Muhammad d8e1480a27 Remove arbitrary limit from rich strings 
Fix subtree hiding
Fix reading of CPU values in hidden threads
Fix hiding of zombie processes as kernel threads
Remove "debug proc" code
Code cleanup in processElements
 2010-11-22 12:40:20 +00:00
Hisham Muhammad 2960a8162e BUGFIX: Fix alignment for display of memory values above 100G (sign of the times!) 
(thanks to Jan van Haarst for the report.)
Closes #2865619.
 2010-11-20 20:35:07 +00:00
Hisham Muhammad 84ed4c01f6 Support for cgroups (thanks to Guillaume Zitta and Daniel Lezcano) 2010-10-30 19:24:07 +00:00
Hisham Muhammad 6486229308 add support for steal/guest CPU time measurement 
simplify processor data accounting (add CPUData structure)
remove Process_clone trick
 2010-08-24 23:20:38 +00:00
Hisham Muhammad 9eb912149e expand/collapse tree 2010-06-17 19:02:03 +00:00
Hisham Muhammad 8d0fff2f66 Good heuristic for processes started in the same second 2010-03-29 18:44:14 +00:00
Hisham Muhammad dc262f4df6 STARTTIME column 2010-03-29 18:36:11 +00:00
Hisham Muhammad a600d5a6e9 Tempus fugit. 2010-02-25 02:08:18 +00:00
Hisham Muhammad 02a30bfecd warning fixes 2010-02-25 01:43:18 +00:00
Hisham Muhammad ef31893067 minor tweak 2010-02-22 20:57:25 +00:00
Hisham Muhammad 6330ff3a0a changes for htop 0.8.2 2009-06-02 04:51:23 +00:00
Hisham Muhammad 843aded57c sort by PROCESSOR and SESSION 2009-03-11 13:52:39 +00:00
Hisham Muhammad 3b950e4189 BSD related fixes: 
* BUGFIX: Correct page size calculation for FreeBSD systems
  (thanks to Andrew Paulsen)
* Allow compilation without PLPA on systems that don't support it
  (thanks to Timothy Redaelli)
 2009-03-11 13:15:43 +00:00
Hisham Muhammad b93e5c00b6 Rename VEID to CTID in OpenVZ systems 
(thanks to Thorsten Schifferdecker)
 2009-03-11 13:05:19 +00:00
Hisham Muhammad a5dfaa2393 Add Linux-VServer support, 
contributed by Jonathan Sambrook and Benedikt Bohm
 2008-09-23 04:31:13 +00:00
Hisham Muhammad 2338ad5820 Ability to change sort column with the mouse by 
clicking column titles (click again to invert order).
Also, add a consolidated IO kbyte/s column.
 2008-03-14 18:50:49 +00:00
Hisham Muhammad da23c8c5a1 Clean up headers by using 'static' whenever possible. 
Reduces resulting code size.
 2008-03-09 08:58:38 +00:00
Hisham Muhammad 12f4f09e6e Add support for Linux per-process IO statistics, 
enabled with the --enable-taskstats flag, which
requires a kernel compiled with taskstats support.
Thanks to Tobias Oetiker!
 2008-03-09 08:02:22 +00:00
Hisham Muhammad 8fa33dc336 Add Unicode support, enabled with the --enable-unicode 
flag, which requires libncursesw.
Thanks to Sergej Pupykin!
 2008-03-09 02:33:23 +00:00
Hisham Muhammad 93f091c47e BUGFIX: Fix display of CPU count for threaded processes. 
When user threads are hidden, process now shows the
sum of processor usage for all processors. When user
threads are displayed, each thread shows its own
processor usage, including the root thread.
(thanks to Bert Wesarg for the report)
Also, add option to display thread colors differently.
 2008-03-08 23:39:48 +00:00
Hisham Muhammad 4df76d127b Embed PLPA (Portable Linux Processor Affinity) in order to support 
conflicting affinity API of different Linux kernel versions.
 2008-03-05 09:46:47 +00:00
Hisham Muhammad cf7fdcd1d6 Experimental feature: beep on permission failures. 
Update dates.
 2007-12-17 05:57:28 +00:00
Hisham Muhammad a7c2aedcec Improve construction of tree view, properly nesting threads. 
Add CPU affinity screen ('a' key).
BUGFIX: Correct display of TPGID field.
Add TGID field.
 2007-11-08 23:23:01 +00:00
Hisham Muhammad 4c51ad0e35 OpenVZ support, contributed by Sergey Lychko 2007-08-10 05:07:14 +00:00
Hisham Muhammad d357c67717 Add support of NLWP field, by Bert Wesarg 2007-05-21 19:10:53 +00:00
Hisham Muhammad 9710a43001 Fixes for /proc location, submitted by Florent Thoumie 2007-05-17 18:29:30 +00:00
Hisham Muhammad f56c8014f7 Apply patches by Matthias Lederhofer adding extra 
memory status fields
 2007-04-05 20:13:32 +00:00