pokemon_pinball_wiki/filesystem-users-network.md

Filesystem, Users, and Network

OS Identity

• /etc/issue: Stern Pinball Spike 3
• /etc/os-release is a symlink to /usr/lib/os-release.
• /bin/busybox: BusyBox v1.36.1, build string 2025-10-22 11:34:32 EDT.
• /usr/lib/os-release:
  • NAME=Buildroot
  • VERSION=2024.08.1
  • ID=buildroot
  • VERSION_ID=2024.08.1
  • PRETTY_NAME="Buildroot 2024.08.1"

Mounts

/etc/fstab mounts only runtime filesystems by default, plus an explicit noauto boot partition:

Device/source	Mount point	Type	Options
devpts	/dev/pts	devpts	defaults,gid=5,mode=620,ptmxmode=0666
tmpfs	/dev/shm	tmpfs	mode=0777
tmpfs	/tmp	tmpfs	mode=1777
tmpfs	/run	tmpfs	mode=0755,nosuid,nodev
/dev/mmcblk0p1	/boot	vfat	defaults,ro,noauto

Notable extracted top-level directories:

• /games: active game and SPIKE payloads.
• /connectivity: persistent connectivity/cache/update/dump storage. Only lost+found is present in this extraction.
• /data: persistent data area. Only lost+found is present in this extraction.
• /usr/local/spike: fallback SPIKE display utilities and logos.
• /boot: empty in this extraction, but expected as separate VFAT partition.

Persistent Symlinks

Runtime state is intentionally shifted out of rootfs into persistent or tmpfs paths:

• /etc/resolv.conf -> ../tmp/resolv.conf
• /etc/mtab -> ../proc/self/mounts
• /etc/os-release -> ../usr/lib/os-release
• /var/lib/misc -> ../../tmp
• /var/lib/dbus -> /tmp/dbus
• /var/lib/alsa -> /connectivity/alsa
• /var/lib/bluetooth -> /connectivity/bluetooth
• /var/lib/bluealsa -> /connectivity/bluealsa

S95game recreates the ALSA/Bluetooth symlinks if needed by temporarily remounting / read-write.

Users

/etc/passwd contains:

• root:*:0:0:root:/root:/bin/sh
• standard service users including daemon, bin, sys, mail, www-data, operator, nobody, dbus, and sshd.

No /etc/shadow file was found during triage. The root:* passwd field indicates password login for root is disabled through the passwd file, and gettys are commented out in /etc/inittab.

Groups

Notable groups:

• wheel:x:10:root
• audio:x:29:
• video:x:28:
• plugdev:x:46:
• netdev:x:82:
• input:x:103:
• kvm:x:104:
• dbus:x:101:dbus

Network

/etc/network/interfaces:

• Loopback is automatic.
• eth0 is automatic DHCP.
• wlan0 is DHCP-capable but not marked auto; it uses WEXT and /etc/wpa_supplicant.conf.
• pre-up /etc/network/nfs_check, wait-delay 15, and dynamic hostname commands are present but commented out.

/etc/wpa_supplicant.conf:

• ctrl_interface=/var/run/wpa_supplicant
• ap_scan=1
• Includes an open network block with key_mgmt=NONE.

No static SSH startup script was identified in /etc/init.d, despite the presence of an sshd privilege-separation user and OpenSSH client/server-related binaries.

Kernel Modules

/etc/modules asks the system to load:

• vc4
• v3d
• bcm2835-codec
• i2c-dev

S55spike3 also explicitly loads:

• i2c-dev
• exfat
• fuse

The kernel module tree is /lib/modules/6.6.28-v8.