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273 commits

Author SHA1 Message Date
Daniel Barlow
39b09df4d7 liminix-rebuild: test if nix-build succeeds 2023-05-20 22:30:22 +01:00
Daniel Barlow
ea2f48cfc9 liminix-rebuild copy nix-store-paths to /persist 2023-05-20 21:55:37 +01:00
Daniel Barlow
b0098f1c8e move min-list-garbage into min-collect-garbage pkg 
we don't want it in the same package as min-copy-closure as
that depends on bash
 2023-05-20 21:55:23 +01:00
Daniel Barlow
68ab6faeb3 write etc/nix-store-paths in systemConfiguration 2023-05-19 23:57:50 +01:00
Daniel Barlow
00aeb81811 min-list-garbage: check all store paths against file 
this is step 1 of min-collect-garbage, no point implementing
deletion ourselves when rm -r exists

(arguably no point in implementing any of it, but this is the bit we
can't do efficiently in bourne shell - it means we're reading the
store-paths list once instead of grepping it afresh for every entry in
/nix/store/)
 2023-05-19 23:49:11 +01:00
Daniel Barlow
a809c28dde liminix-rebuild source /etc/profile to get PATH for reboot 2023-05-18 22:43:08 +01:00
Daniel Barlow
292a4c4d46 liminix-rebuild: put activate in /persist 2023-05-17 22:49:10 +01:00
Daniel Barlow
b1f4db00a0 add liminix-rebuild command 2023-05-17 15:38:22 +01:00
Daniel Barlow
ddd7b68b30 min-copy-closure: remove verbose output 2023-05-11 23:52:13 +01:00
Daniel Barlow
cc6c790746 set up path for min-copy-closure 2023-05-07 22:51:10 +01:00
Daniel Barlow
bcf5dac5d7 min-copy-closure: honour $SSH_COMMAND env var 2023-05-07 22:07:35 +01:00
Daniel Barlow
1c002c4065 min-copy-closure: improve output 2023-05-07 22:06:49 +01:00
Daniel Barlow
74f2aa6247 initramfs-peek: an initramfs image with a shell, for debugging 2023-05-06 23:03:51 +01:00
Daniel Barlow
888a0d5f74 mips-vm: allow env var to override la network interface 
this is handy if you want to connect to it from the host
for e.g. seeing if min-copy-closure works
 2023-05-06 23:01:56 +01:00
Daniel Barlow
30153a2d4e add min-copy-closure, a minimal nix-copy-closure substitute 2023-05-06 22:47:03 +01:00
Daniel Barlow
28264febdb add smaller-than-gnu "hello world" package 2023-04-23 20:56:20 +01:00
Daniel Barlow
65dfbad365 systemconfig: chown files if uid/gid > 0 2023-04-15 22:53:28 +01:00
Daniel Barlow
5dd0c6e3c0 rewrite preinit as very small C program 
By using the kernel "nolibc" header to avoid requiring a C library, we
can bring the initramfs size to around 4k

This does involve a tiny bit of inline mips assembly which I'm not
sure about. gcc seems unwilling to generate the code to load $gp at
function entry of main(), so we do it by hand - but I'd rather find
out why gcc doesn't.
 2023-04-15 18:27:39 +01:00
Daniel Barlow
11f2715d18 mips-vm: enlarge mtd 2023-04-15 17:22:35 +01:00
Daniel Barlow
1cc0b13b57 rewrite systemconfig in C and link statically 
systemconfig (a.k.a "activate") is run from the initramfs. Converting
it from a shell script to an executable means it doesn't depend on
there being a shell in the initramfs
 2023-04-15 17:21:27 +01:00
Daniel Barlow
c744ef8c17 systemconfig: accept uid and gid options 
all we do with them is assert they're zero, to unbreak CI.
This code is getting rewritten anyway
 2023-04-14 23:19:56 +01:00
Brian McKenna
fb796e61e0 pseudofile: allow setting uid and gid of files 
Necessary for Dropbear to accept non-root authorized_keys files.
 2023-04-14 23:12:52 +01:00
Daniel Barlow
2e15acd61c whitespace 2023-04-10 17:46:39 +01:00
Daniel Barlow
54a1ab3529 support jffs2, with initramfs 
the jffs2 filesystem contains only /nix/store and a script which is
run in early init (initramfs) and is responsible for recreating
"traditional" directories (/bin /etc/**/* /var &c) based on the
configuration.

this is tested only in qemu so far and could use some cleanup
 2023-04-04 23:35:49 +01:00
Daniel Barlow
25d9da967c remove support for sockets in pseudofiles 
(1) we can't make them on a real filesystem except by running
something that calls socket()
(2) whyever would we want to?
 2023-04-04 23:23:22 +01:00
Daniel Barlow
aa1a2e5d75 package gen_init_cpio, tool for making an initramfs 2023-04-04 22:54:20 +01:00
Daniel Barlow
f02efa3fe3 refactor 2023-04-04 21:11:28 +01:00
Daniel Barlow
342c87b256 qemu: boot from mtd using mtd2block 
doesn't make much difference for squashfs but this will make it much
simpler to test jffs2/ubifs
 2023-04-04 21:07:02 +01:00
Daniel Barlow
07e7d63ade fixup 98243d43da 2023-04-02 18:46:27 +01:00
Daniel Barlow
98243d43da add mtdutils mkfs.jffs2 --graft option 
we'd like a bit more of the convenience of mksquashfs
(never thought I'd say _that_) for jffs2, in particular
not having to copy all the desired store paths into a
single directory just so we can create an image from them
 2023-03-31 23:42:13 +01:00
Daniel Barlow
a172180be8 don't set lua5_3 in overlay 
sphinx depends on lua5_3, so overriding it globally means rebuilding
that - which isn't really necessary
 2023-03-24 23:43:13 +00:00
Daniel Barlow
3608cc5e33 add kenrel command line cookie to mips-vm script 2023-03-24 18:48:38 +00:00
Daniel Barlow
a5cfa37ed3 unify kernel command line handling 
We now use MIPS_CMDLINE_DTB_EXTEND for all boot varieties
(tftpboot, flash boot, kexec) with the addition of
MIPS_BOOTLOADER_CMDLINE_REQUIRE_COOKIE - local patch -
so that the bootloader args are ignored unless they
contain the string "liminix"
 2023-03-23 22:24:44 +00:00
Daniel Barlow
4b19568f1b add kexecboot 
This allows booting a new image from a running OS, creating a
phram mtd for the root squashfs

* enable CONFIG_KEXEC
* add modules/kexecboot
* patch kexec-tools to add --map-file option for the squashfs
* patch kernel kexec code to call new kernel with DTB
 2023-03-19 20:25:43 +00:00
Daniel Barlow
429ffa8e7d make applyPatches work for ramips 2023-03-19 20:25:23 +00:00
Daniel Barlow
efd878dc5e extract common code for patching kernel source fdorm openwrt 2023-03-18 19:17:58 +00:00
Daniel Barlow
a4e1dcedd3 redirect stderr 2023-03-10 23:39:53 +00:00
Daniel Barlow
225fc6fe51 configurable busybox 
allows modules to add to the busybox applets and change config
 2023-03-10 18:40:45 +00:00
Daniel Barlow
91c0147919 set hostname before dhcp client runs 2023-03-08 22:11:59 +00:00
Daniel Barlow
70f8f5ecfd remove hostapd debugging flag 2023-03-07 19:11:25 +00:00
Daniel Barlow
e86e9430fc vlans and mt300a wired network interfaces 2023-03-07 19:10:12 +00:00
Daniel Barlow
06687a819a udhcpc notify when ready 2023-03-07 19:06:40 +00:00
Daniel Barlow
f9f9720ba7 ${!foo} doesn't work in ash, switch to printenv 2023-03-07 19:05:58 +00:00
Daniel Barlow
1565a8414d remove inadvertant references to bash 2023-03-06 17:48:31 +00:00
Daniel Barlow
83e56a3a90 add swconfig package 2023-03-05 22:32:56 +00:00
Daniel Barlow
2787e6a230 reformat qprint substitutions 2023-03-05 21:33:51 +00:00
Daniel Barlow
a8cb872859 add service name to log lines 2023-03-04 23:08:25 +00:00
Daniel Barlow
5427456c21 rename notificationFd to notification-fd 
it's perfectly valid syntax and consistent with the s6 spelling
 2023-03-04 21:19:30 +00:00
Daniel Barlow
25a46dcb2c escape $ in pseudofile 
this is needed to write /etc/passwd when it contains $5$....
strings
 2023-03-04 00:23:21 +00:00
Daniel Barlow
38756af1c1 add in_outputs shell function which ensures umask is set 2023-03-03 23:07:03 +00:00
Daniel Barlow
fd500041fa move new packages to pkgs/default.nix 2023-03-03 22:21:27 +00:00
Daniel Barlow
adc198b3af WIP push to see what passes 2023-03-01 22:24:58 +00:00
Daniel Barlow
fc4f726dd6 make hostapd service depend on its interface 2023-03-01 18:16:01 +00:00
Daniel Barlow
626a365f79 replace waitup with more generally useful ifwait 
* wait for $interface present before ip link set up dev
* wait for wlan0 running before adding to bridge
 2023-03-01 18:16:01 +00:00
Daniel Barlow
14dacb8056 update netlink-lua to latest 2023-02-28 20:56:19 +00:00
Daniel Barlow
ea2c5e158d add missing argument 2023-02-26 17:54:58 +00:00
Daniel Barlow
c37332910a add option to provide dnsmasq resolv-file from a service 2023-02-25 22:53:50 +00:00
Daniel Barlow
59ce03630a consistent ownership/permissions for /run/service-state/** 2023-02-25 22:53:06 +00:00
Daniel Barlow
228b270385 pppoe: capture nameserver addresses as outputs 2023-02-25 20:31:41 +00:00
Daniel Barlow
3b75cadb20 improve bridge support 
instead of a bridge specifiying its members (not ideal if they're
not all always up), the member interfaces specify their primary
 2023-02-24 23:49:05 +00:00
Daniel Barlow
8194e909ac fix typo, remove debug spew 2023-02-24 23:22:28 +00:00
Daniel Barlow
03aec58c2c add "waitup", s6 readiness helper for network interfaces 
run e.g. "waitup wlan0 10" to wait until wlan0 is operationally
up and running, and then send a newline to file descriptor 10
 2023-02-24 23:22:28 +00:00
Daniel Barlow
3e1082ad18 allow interface service to specify dependencies 2023-02-22 19:18:59 +00:00
Daniel Barlow
751920c8fc qemu: switch to building wireless as kernel modules 
This is a hefty change

* add support for kernel backports project
* build wireless stack/drivers as modules from a backported kernel
* create a service to load/unload the modules
 2023-02-22 18:41:41 +00:00
Daniel Barlow
891db9edc5 kernel derivation: add output for module support 2023-02-22 18:33:17 +00:00
Daniel Barlow
05576eeb94 harcode paths for kpppoed, add port num in config 2023-02-17 00:09:02 +00:00
Daniel Barlow
b438a0fd17 handlersocket must be bound before calling select() 
this is due to a rather odd (imo) decision in luasocket which
says that the underlying socket (and therefore its file
descriptor) isn't actually created until we call something
that lets it work out whether ipv4 or ipv6
 2023-02-15 22:06:28 +00:00
Daniel Barlow
2388e4ca24 recvfrom(-1) is not the same as recvfrom() 2023-02-15 22:06:28 +00:00
Daniel Barlow
f98b9c5c97 add README to say where Tufted came from 2023-02-15 22:06:28 +00:00
Daniel Barlow
1a29e2ba0f use locally modified tftp.lua instead of upstream tufty 2023-02-15 22:06:28 +00:00
Daniel Barlow
118f78f334 remove "using luasocket" message 2023-02-15 22:06:28 +00:00
Daniel Barlow
a258456f25 check return value of bind 
is common to forget to run this as root, in which case we would like
to see the permission denied error when it tries to open port 69
 2023-02-15 22:06:28 +00:00
Daniel Barlow
71e37f1b96 update listen docstring 2023-02-15 22:06:28 +00:00
Daniel Barlow
55688c14ed pass remote host and port to callback as params 2..3 
This allows the callback to handle the response differently
depending on who is asking - for example, to refuse requests
from clients on a blocklist
 2023-02-15 22:06:28 +00:00
Daniel Barlow
59c0881235 remove unhelpful debug message 2023-02-15 22:06:28 +00:00
Daniel Barlow
1b372bcb2b simpler eof handling 2023-02-15 22:06:28 +00:00
Daniel Barlow
b84a6e0aa5 fix poll() to not mutate its parameter 2023-02-15 22:06:28 +00:00
Daniel Barlow
d729709869 remove nixio support 2023-02-15 22:06:28 +00:00
Daniel Barlow
740314b329 added at 3cb95c869e2fe74cc61ca303d88af6c5daad6734 2023-02-15 22:06:28 +00:00
Daniel Barlow
e84833e52f WIP create VM for pppoe and tftpd 2023-02-15 22:06:28 +00:00
Daniel Barlow
8cead61740 convert devices from overlay to module 
this makes it possible for devices to stash things in
`config` (e.g. pathname to DTS) that can later be overwritten
(even by the end user)
 2023-02-10 17:54:33 +00:00
Daniel Barlow
1dc9770dbc turn run-qemu.sh and connect-qemu scripts into buildEnv commands 2023-02-08 22:49:10 +00:00
Daniel Barlow
4addcbbd51 turn run-qemu.sh script into mips-vm buildEnv command 2023-02-08 22:17:06 +00:00
Daniel Barlow
cc7daeabb3 add routeros to overlay 2023-02-08 18:13:35 +00:00
Daniel Barlow
52d8c03ddd update tufted for nixpkgs fennel changes 2023-02-07 23:42:19 +00:00
Daniel Barlow
76243d306c remove checkedConfig, check all the config 2022-10-19 22:09:38 +01:00
Daniel Barlow
9c5b5a54e2 remove unneeded Kconfig.local handling 2022-10-19 18:23:20 +01:00
Daniel Barlow
f1b7780537 speed up kernel build 
by having two separate derivations for patching the kernel source tree
and building it, we have to copy said source trees from one store
location to another which takes non-neglible time on spinning rust
(literally minutes on my machine). Replace with a single derivation
that can do more things on one tree in-place
 2022-10-19 17:34:22 +01:00
Daniel Barlow
e7987c9520 add build-host tftp server 2022-10-04 23:08:43 +01:00
Daniel Barlow
e9f04931fa improve syntax for accessing service outputs 2022-10-02 16:35:55 +01:00
Daniel Barlow
f030efbd49 extract "service" function to reduce duplicated code 2022-10-02 14:44:29 +01:00
Daniel Barlow
da8866a01a first pass at a hostapd service, rough around the edges 2022-10-02 10:04:35 +01:00
Daniel Barlow
c320d0afc7 add dnsmasq and example config for it 
would be good to move more of this into a module, but that
doesn't sit well with the (potential) ability to run more than one
dnsmasq service, as modules are singletons
 2022-09-28 21:33:18 +01:00
Daniel Barlow
dfdaa27f39 make ppp log to stderr not syslog 2022-09-27 22:57:06 +01:00
Daniel Barlow
0632b5102e remove .service/.target/.bundle etc suffixes on service names 
they don't seem to be providing value
 2022-09-27 22:56:53 +01:00
Daniel Barlow
5e573cef09 squashfs builder just needs filesystem not entire config 2022-09-27 22:06:36 +01:00
Daniel Barlow
e2650aa162 add pppoe derivation, replacing override 
we use a custom installPhase so we don't drag in a bunch of
scripts that we don't need and don't work
 2022-09-27 22:04:22 +01:00
Daniel Barlow
af4cd2e05c make mksquashfs fail on error 2022-09-27 17:36:25 +01:00
Daniel Barlow
5d10a9e760 rename config.environment as config.filesystem 2022-09-27 16:48:17 +01:00
Daniel Barlow
696bbe6521 rename systemPackages as defaultProfile.packages 
it doesn't work the same way as in nixos, so don't name it the same way
 2022-09-27 16:47:42 +01:00
Daniel Barlow
4cbe669783 move make-image to subdirectory 2022-09-27 16:47:42 +01:00
Daniel Barlow
e40a91fca0 move all remaining pseudofiles to base module 2022-09-27 14:06:07 +01:00
Daniel Barlow
797aa30c47 make s6-init-files into a module 2022-09-27 10:19:44 +01:00
Daniel Barlow
09a9dba963 export "dir" and "symlink" from pseudofiles package 2022-09-26 18:27:43 +01:00
Daniel Barlow
c6c6b51893 make s6-rc-database a package 2022-09-26 15:59:21 +01:00
Daniel Barlow
d5ccecf038 make "shutdown" work 
create a package for the s6-compatible shutdown/halt/poweroff
commands and put it on the path ahead of busybox
 2022-09-26 14:13:23 +01:00
Daniel Barlow
7803eebfd4 add a "route" service 2022-09-26 13:44:40 +01:00
Daniel Barlow
676c94782b separate files for networking and services 2022-09-26 12:26:54 +01:00
Daniel Barlow
9902d4052b add a type definiton for s6-rc modules 2022-09-26 11:46:09 +01:00
Daniel Barlow
5d51d15b86 working pppoe with readiness notification on ip-up 2022-09-25 21:12:50 +01:00
Daniel Barlow
a34a3ade08 make udhcp wait for its interface to be ready 2022-09-25 21:10:57 +01:00
Daniel Barlow
3677ab9cb3 move service state out of s6 scandir 
getting weird permission errors, seems simpler all raound just to
put them somewhere else
 2022-09-25 21:10:04 +01:00
Daniel Barlow
1d9f39bf87 support notification-fd file in longrun 2022-09-25 21:06:08 +01:00
Daniel Barlow
92e42f1d45 fix oneshot "up" and "down" files 
they're supposed to be names of executables, not text of
shell scripts
 2022-09-25 21:02:10 +01:00
Daniel Barlow
01aa423dad pkgs.writeAshScript is similar to writeShellScript but busybox 2022-09-25 20:50:20 +01:00
Daniel Barlow
3540f594b1 address service: rename addr->address & add prefixLength 
these names are consistent with nixos
 2022-09-25 16:51:13 +01:00
Daniel Barlow
c1835d97ee add pppoe 2022-09-25 11:54:31 +01:00
Daniel Barlow
1bc8fd7873 remove trace output 2022-09-22 12:45:41 +01:00
Daniel Barlow
dd124e49dd udhcp: write service responses as outputs 2022-09-22 12:42:20 +01:00
Daniel Barlow
e46abbccca put liminix-tools in package overlay 2022-09-22 11:10:41 +01:00
Daniel Barlow
fde7a269b7 add default service target, get some stuff running 2022-09-22 00:10:55 +01:00
Daniel Barlow
edb701b87d set PATH for root user, mount /proc and /sys 2022-09-22 00:10:00 +01:00
Daniel Barlow
45025f128a switch to s6-linux-init and s6-rc 
This is at the point where it runs a getty and a pile of s6-supervise
processes, though it doesn't seem to run the things being supervised
 2022-09-21 23:01:21 +01:00