b411836478
Alpine's libinput, libseat, seatd, xf86-input-libinput and usbutils join the image, and seatd runs from schinit. libinput lists the keyboard and pointer as an ordinary user, Xorg now drives both through libinput, and a program linked to libseat running as schos opens seat0 through seatd, is handed /dev/input/event0 and reads its name through the descriptor. Two kernel bugs stood in the way, and both would have stopped a Wayland compositor too. The socket connect() queues for a listener was allocated with its domain at zero, so sendmsg refused SCM_RIGHTS on the accepted end: a server could receive descriptors and never send one. And sendmsg treated a control buffer longer than its messages as an error, where Linux takes a following header too short to be one as the end; seatd passes a zeroed CMSG_SPACE array with one descriptor at the front. Found with /proc/strace and a temporary kinfo in sendmsg's EINVAL sites. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01EVRhxi9zpdW2uDUN4FVcao
81 lines
2.8 KiB
Text
81 lines
2.8 KiB
Text
# Alpine packages built into the apk-managed root, one per line.
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#
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# Edit this, then run `make alpine-lock` to resolve it, with every dependency,
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# into world.lock -- exact versions and checksums. A normal build installs
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# exactly what world.lock says from dist/alpine/, downloading only files it
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# does not have yet, and never asks Alpine what is newer. That happens only
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# when you run `make alpine-lock` again.
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#
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# Anything else is one `apk add` away on the running system; this list is
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# what a fresh image starts with.
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# The login shell. Replaces SchOS's own zsh port.
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zsh
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# Terminal descriptions for zsh, htop, and everything else that draws.
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ncurses-terminfo-base
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# The PCI and USB ID databases: lspci, fastfetch and Xorg read them.
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hwdata-pci
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hwdata-usb
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# X on the framebuffer, with startx. /root/.xserverrc and .xinitrc (from
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# mkaroot.sh) start it with -dumbSched and run Window Maker in it.
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xorg-server
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xf86-video-fbdev
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xf86-input-evdev
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xinit
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# The desktop: Window Maker, a terminal for it, and a font for both.
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windowmaker
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xterm
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font-dejavu
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# Stress: terminal programs that draw, multiplex and poll. htop and btop read
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# /proc hard; tmux wants ptys, sockets and signals; mc does everything at once.
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htop
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btop
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tmux
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mc
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ncdu
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fastfetch
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# Games. In the terminal: nethack, the BSD set, and two toys. On X:
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# lbreakouthd (SDL 2) and the classic X clients. Not lbreakout2: its stk.c
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# hands vsnprintf a size of 511 + the prefix length, and Alpine's fortified
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# headers trap on that before it loads its first image -- on Alpine too.
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nethack
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bsd-games
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cmatrix
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sl
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lbreakouthd
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xeyes
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xclock
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xcalc
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# A browser: NetSurf, on GTK 3 -- glib's threads, cairo, pango, TLS. The step
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# before WebKit (epiphany), which is `apk add` away.
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netsurf
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# curl's command line; libcurl is already here for NetSurf.
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curl
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# Sound for everything that speaks ALSA, SDL included: alsa-lib with the OSS
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# plugin, pointed at /dev/dsp by schos-base's /etc/asound.conf. SchOS has OSS,
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# not ALSA's kernel side, and SDL 3 has no OSS backend of its own.
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alsa-lib
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alsa-plugins
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# udev: the daemon that names devices and tells Xorg (and libinput, and every
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# Wayland compositor) what is plugged in. eudev is udev without systemd.
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# `udevadm`, the rules, and libudev come with it.
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eudev
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eudev-libs
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udev-init-scripts
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# Privilege for ordinary users: setuid doas (opendoas), configured in /etc/doas.d.
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doas
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# Input and seats for Wayland: libinput turns the evdev nodes udev tagged into
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# pointer, keyboard and touch events; libseat hands a compositor its devices
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# without making it root, through seatd's socket (or directly when it is root).
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# xf86-input-libinput is the same library for Xorg.
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libinput
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libinput-libs
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libinput-udev
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libseat
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seatd
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seatd-launch
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xf86-input-libinput
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# lsusb that reads /sys/bus/usb/devices, which busybox's does not.
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usbutils
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