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252 Commits

Author SHA1 Message Date
Bananymous 420a7b60ca resolver: use select for client communication 2024-02-12 23:47:39 +02:00
Bananymous ccde8148a7 Userspace: Implement basic udp test program 2024-02-12 04:45:42 +02:00
Bananymous b9bbf42538 Userspace: Implement basic test program for tcp connection 2024-02-12 04:45:42 +02:00
Bananymous f117027175 resolver: dump errors to debug output 2024-02-08 18:34:15 +02:00
Bananymous 5a939cf252 Userspace: Add simple test for unix domain sockets 2024-02-08 13:18:54 +02:00
Bananymous 065ee9004c Userspace: Add DNS cache to resolver 
Also the format of resolver reply is now just sockaddr_storage with
family set and address in the storage field.
 2024-02-08 12:06:30 +02:00
Bananymous 2424f38a62 Userspace: Implement super simple DNS resolver in userspace 
You connect to this service using unix domain sockets and send the
asked domain name. It will respond with ip address or 'unavailable'

There is no DNS cache implemented so all calls ask the nameserver.
 2024-02-08 03:14:00 +02:00
Bananymous 40e341b0ee BAN: Remove unstable hash map and set 
These can now be implemented safely with new linked list api
 2024-02-06 17:35:15 +02:00
Bananymous f804e87f7d Kernel: Implement basic gateway for network interfaces 2024-02-05 18:18:56 +02:00
Bananymous b2291ce162 Kernel/BAN: Fix network strucute endianness 2024-02-05 18:18:56 +02:00
Bananymous 89805fb092 dhcp-client: Use dprintln for debug printing 2024-02-05 01:24:45 +02:00
Bananymous 692cec8458 Kernel/Userspace/LibC: Implement basic dprintln for userspace 2024-02-05 01:24:09 +02:00
Bananymous 79897e77dc dhcp-client: Remove packet send test :D 2024-02-03 18:04:31 +02:00
Bananymous 2138eeb87f Userspace: Implement super simple DHCP client 2024-02-03 02:41:06 +02:00
Bananymous 7cb71ec6fb test-sort: Test more algorithms and cleanup output format 2024-02-01 15:22:28 +02:00
Bananymous 9213dd13bc dd: Improve output format 
Include written bytes and speed with units
 2024-02-01 00:06:46 +02:00
Bananymous 210b24b6e3 AOC2023: Delete file that should not be committed... 2024-01-24 15:53:38 +02:00
Bananymous dfe5a2d665 All: Cleanup all files 
Add newline to end of files and remove whitespace from end of lines
 2024-01-24 15:53:38 +02:00
Bananymous 64a63fa4be Userspace: Add loadkeys program to change keymap 2024-01-10 14:57:50 +02:00
Bananymous 51214ea1bf Kernel: Add load_keymap syscall and load Finnish keymap in init 2024-01-10 14:46:29 +02:00
Bananymous 40f55be587 Userspace: Write simple mouse test program 
This program draws circle on framebuffer, that you can move with
mouse, resize with scroll, and recolor with mouse buttons.
 2024-01-04 19:50:26 +02:00
Bananymous 753de3d9f0 ls: Write group name instead of gid in list mode 2024-01-03 00:15:13 +02:00
Bananymous 1bd33e76e5 cat/cat-mmap: print newline if file doesn't end in one 2024-01-02 23:27:13 +02:00
Bananymous 96d831c31a Kernel/LibC/Userspace: Implement chown and set tty owner on login 2024-01-02 22:19:38 +02:00
Bananymous 8b5e437936 AOC2023: Implement day25 part1 
7 starts missing + partly broken day22. I might finish these soon...
 2023-12-26 20:04:42 +02:00
Bananymous d87fa1a7ea AOC2023: Implement day24 part1 2023-12-26 14:10:49 +02:00
Bananymous 910a57089b AOC2023: Implement day23 part1 
My day22 implementation is off by couple of bricks...
 2023-12-26 00:56:35 +02:00
Bananymous 36590fb5c7 AOC2023: Implement day21 part1 2023-12-24 14:58:21 +02:00
Bananymous ce990c3026 AOC2023: Implement day20 part1 2023-12-24 13:39:26 +02:00
Bananymous 4146f2777b AOC2023: Implement 10 hour solution to day19 part2 2023-12-23 20:53:50 +02:00
Bananymous 64323c51e6 AOC2023: Implement day19 part 1 2023-12-23 18:47:44 +02:00
Bananymous a0200a7b10 AOC2023: Implement day18 part 1 2023-12-23 18:47:21 +02:00
Bananymous 8add759b5d AOC2023: Implement day17 part1 2023-12-23 18:46:43 +02:00
Bananymous 2faf90bc2b AOC2023: Add script to create day template and download input 2023-12-23 18:46:14 +02:00
Bananymous 762d575d70 AOC2023: Add program to run all days 2023-12-23 18:45:40 +02:00
Bananymous 3b21cc90ae AOC2023: Add helper for downloading puzzle input 2023-12-19 22:22:31 +02:00
Bananymous 4e900804b8 AOC2023: Implement day16 2023-12-19 22:22:16 +02:00
Bananymous 9ec733904f AOC2023: Implement day15 2023-12-19 21:42:59 +02:00
Bananymous f46240e879 AOC2023: Implement day14 2023-12-19 02:49:48 +02:00
Bananymous 68627995f8 AOC2023: Implement day13 2023-12-19 01:25:23 +02:00
Bananymous d273c5e77c rm: Use remove instead of unlink for removing files 2023-12-14 11:03:58 +02:00
Bananymous 8344f2f9ab AOC2023: Fix day3 implementation 
I accidently broke my day3 when messing with signed/unsigned integers
 2023-12-14 11:03:19 +02:00
Bananymous 862993398d AOC2023: Implement day12 
There seems to be a problem with my malloc so the hash map is not
working. This code worked fine on my linux with actually working
malloc :D
 2023-12-14 10:51:48 +02:00
Bananymous 225c7c6ab4 AOC2023: Implement day11 2023-12-11 14:36:33 +02:00
Bananymous 58633ca373 AOC2023: Remove unnecessary loop 2023-12-10 20:18:59 +02:00
Bananymous 00d57d783e LibC+userspace: Make everything compile with -Wall -Wextra -Werror 
I added -Wall -Wextra -Werror as public compile flags to libc. Now
everything in userspace in compiled using these flags. I made all
necessary changes to allow compilation to work.

Only exception is execvp which has a large stack usage. Maybe it
should use malloc for the buffer but posix allows ENOMEM only when
kernel is out of memory... This can be fixed when fexecve is
implemented and there is no need for absolute path.
 2023-12-10 19:20:14 +02:00
Bananymous f077e17b2a AOC2023: Implement day10 2023-12-10 18:28:04 +02:00
Bananymous a6bfbbf655 ls: Rewrite whole program for cleaner output 
ls -l now sorts elements and aligns them by columns.
 2023-12-10 01:05:12 +02:00
Bananymous c273bf98c9 ls+stat: show setuid, setgid and sticky bits 2023-12-09 19:43:25 +02:00
Bananymous 99a5b6e2ef AOC2023: Cleanup day9 code 
Move tree building to its own function. Both parts can use the same
tree. This also decreaseas memory usage by one element by row :D
 2023-12-09 19:08:13 +02:00
Bananymous 0c3e5980d6 AOC2023: Implement day9 2023-12-09 16:22:43 +02:00
Bananymous 2b927b9729 BAN: Restructure sort functions and namespaces 2023-12-08 18:58:47 +02:00
Bananymous b523ccb893 AOC2023: Implement day8 
Second part was kinda weird. You are supposted to assume something
of the input, which necessarily is not true.
 2023-12-08 17:13:20 +02:00
Bananymous 7bb3172591 AOC2023: Use the default sort algorithm 2023-12-08 00:10:59 +02:00
Bananymous 3bc7113cc5 sudo: fix some typos 2023-12-07 14:05:17 +02:00
Bananymous 24243268a6 Shell: do path resolution only if command doesn't contain '/' 2023-12-07 13:34:46 +02:00
Bananymous 669d55707e AOC2023: Use quick sort in solution 2023-12-07 11:55:28 +02:00
Bananymous 6caa9b6f95 BAN: implement quick sort and test for it 2023-12-07 11:55:28 +02:00
Bananymous 43458cc74f BAN: implement exchange sort and test for it 2023-12-07 11:55:28 +02:00
Bananymous 536bb74d53 AOC2023: optimize hand score calculation 2023-12-07 09:26:17 +02:00
Bananymous efd8be8207 AOC2023: implement day7 2023-12-07 07:56:56 +02:00
Bananymous 06a84da844 Userspace: Implement barebones sudo 
This doesn't do any password checking or anything. Just sets uid and
gid before execvp()
 2023-12-06 18:15:42 +02:00
Bananymous ff8b3be8dc Userspace: implement basic sleep command 2023-12-06 13:05:53 +02:00
Bananymous 56008869d6 Shell: Handle keyboard input that was interrupted by signal 2023-12-06 13:04:33 +02:00
Bananymous 531211e09d AOC2023: implement day6 2023-12-06 07:27:25 +02:00
Bananymous 82cb2ea20b AOC2023: implement day5 2023-12-05 09:13:13 +02:00
Bananymous 622007f2ee Shell: Verify that command exists before executing it 
This prevents page fault somewhere when executing non-existing
commands.
 2023-12-04 22:57:27 +02:00
Bananymous cf76d2e7d9 AOC2023: remove unnecessary loop 2023-12-04 17:54:10 +02:00
Bananymous 41f8974080 AOC2023: implement day4 2023-12-04 17:51:27 +02:00
Bananymous 3ed25425a3 AOC2023: implement day3 
Solution to second puzzle is not optimal, it definately should be
O(1) space, but I didn't want to think about it.
 2023-12-03 17:07:09 +02:00
Bananymous 49f8c4268f AOC2023: implement day2 2023-12-02 16:10:37 +02:00
Bananymous 70c224d8ea AOC2023: Cleanup day1 code 2023-12-01 13:31:55 +02:00
Bananymous 6a7335e5c9 AOC2023: implement day1 2023-12-01 12:38:01 +02:00
Bananymous 3aaa755c51 AOC2023: update buildsystem 2023-12-01 12:38:01 +02:00
Bananymous dabd79afa7 Userspace: Prepare aoc2023 environment :) 2023-12-01 01:22:53 +02:00
Bananymous 6ccb1bbbf9 init: set default termios on every username prompt 
Before if e.g. Shell crashed init would have broken termios
 2023-12-01 01:22:53 +02:00
Bananymous 8564b59e14 image: Remove inheritance from Netbpm 
This inheritance made no sense
 2023-11-29 20:56:05 +02:00
Bananymous 327b330338 Kernel: Make internal framebuffer bpp constexpr defined in libc 2023-11-29 20:07:33 +02:00
Bananymous 7090388c70 cp: allow copying all files except directories 
The old condition seemed odd. This allows taking screen shots by
copying the /dev/fb0.
 2023-11-29 16:13:40 +02:00
Bananymous ff550785a7 Userspace: Implement basic image rendering for Netbpm 
You can now render Netbpm (P6) format image to framebuffer using
`image` command. I added basic test image to
/usr/share/images/sample.ppm
 2023-11-29 16:11:35 +02:00
Bananymous 056586486d Shell: make clear use \e[2J instead of \e[J 
This makes kernel to actually clear the full screen. If framebuffer
did not fit font exactly last row would be left partially uncleared
 2023-11-28 23:55:37 +02:00
Bananymous 42a1d26d5b Userspace: Implement basic test for framebuffer mmap 2023-11-28 23:52:22 +02:00
Bananymous 4c3da66c92 mmap-shared-test: Add test case for msync 2023-11-22 22:45:16 +02:00
Bananymous bfe6d60e9e ls: print link targets when listing files 2023-11-11 23:17:18 +02:00
Bananymous 613d6640fe meminfo: better format for files without permissions 2023-11-07 02:41:01 +02:00
Bananymous f6c312a6b3 BuildSystem: using sysroot doesn't need root privileges anymore! 
Sysroot is now created with fakeroot. This allows root access to be
only needed for disk image creation, since it uses loopback devices.
 2023-11-04 17:50:43 +02:00
Bananymous a63006afaf Userspace: Add quick test for global ctors and dtors 2023-10-30 11:11:10 +02:00
Bananymous ea0d7156a4 rm: add option to remove recursively 2023-10-26 02:32:49 +03:00
Bananymous 81228d3401 Userspace: implement basic rm command 2023-10-25 21:45:27 +03:00
Bananymous 6ee4d10651 Kernel/LibC/Userspace: Implement mkdir and creat 
Touch now uses creat insteadd of open with O_CREAT flag
 2023-10-25 21:07:26 +03:00
Bananymous c445ea6266 cp: abort copy if write fails 2023-10-25 02:43:02 +03:00
Bananymous e685f38fd1 Userspace: Add basic chmod command 2023-10-25 02:37:19 +03:00
Bananymous 657f95d3f0 Userspace: Implement basic cp 
This does not support any meaningful command line arguments but
is a good start.
 2023-10-25 00:07:25 +03:00
Bananymous 07f8c972b3 Shell: Set get old termios earlier 
I sourced the config file before getting old termios. Sourcing
updated the termios so old_termios was always in non canonical, non
echoing mode.
 2023-10-24 19:10:53 +03:00
Bananymous 6f6ccbfa04 meminfo: fix g++ warning for oob write 
g++ doesn't realize that read can only return -1
 2023-10-24 16:50:21 +03:00
Bananymous 8c792f9c6d Shell: Fix parsing $ with unknown character 2023-10-12 22:24:27 +03:00
Bananymous bc4d272c4f cat: Use write() instead of puts to print file contents 
This allows printing files that contain null bytes behave more like
you would expect
 2023-10-04 22:16:19 +03:00
Bananymous 57605c2b3e meminfo: Print allocated physical memory percentage 2023-10-03 10:39:27 +03:00
Bananymous 1cd99631e1 Shell: source $HOME/.shellrc if found on Shell startup 2023-10-03 10:39:27 +03:00
Bananymous f67ed9a66e Shell: Implement sourcing scripts 2023-10-03 10:24:10 +03:00