50 lines
2.5 KiB
Bash
50 lines
2.5 KiB
Bash
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#!/usr/bin/env bash
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# Focused health check: does the ESP rootfs payload contain a *loadable* copy of
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# every X11 lib the KDE session depends on? Reports name, kind, size, .text.
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set -uo pipefail
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img="${1:?usage: tmp_lib_focus.sh IMG}"
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dir=/usr/local/lib/xorg-libs
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L=$(losetup --find --show --partscan "$img"); sleep 0.3
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M=$(mktemp -d); mount "${L}p1" "$M" || { echo "ESP mount failed"; exit 1; }
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echo "=== $(basename "$img")"
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echo "utsm.elf md5=$(md5sum "$M/boot/utsm.elf" | cut -d' ' -f1)"
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R=$(mktemp -d); mount -o loop,ro "$M/boot/linux-rootfs.img" "$R" || { echo "rootfs mount failed"; exit 1; }
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D="$R$dir"
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echo "--- $dir ($(ls "$D" 2>/dev/null | wc -l) entries) ---"
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printf '%-30s %-9s %10s %9s %6s %s\n' NAME KIND SIZE TEXT SYMS NOTE
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for n in libinput.so.10 libffi.so.8 libXdmcp.so.6 libXau.so.6 libdrm.so.2 \
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libxfont2.so.2 libpixman-1.so.0 libevdev.so.2 libmtdev.so.1 \
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libpciaccess.so.0 libfontenc.so.1 libxshmfence.so.1 libxcvt.so.0 \
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libXfont.so.1 libwayland-client.so.0 libepoxy.so.0; do
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f="$D/$n"
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if [[ ! -e "$f" ]]; then printf '%-30s %-9s\n' "$n" MISSING; continue; fi
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if [[ -L "$f" ]]; then t=$(readlink -f "$f"); k=SYMLINK; else t="$f"; k=FILE; fi
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if [[ ! -e "$t" ]]; then printf '%-30s %-9s %s\n' "$n" DANGLING "$(readlink "$f")"; continue; fi
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magic=$(head -c4 "$t" | tr -d '\0')
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sz=$(stat -c %s "$t")
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if [[ "$magic" != $'\x7fELF' ]]; then
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printf '%-30s %-9s %10s %9s %6s %s\n' "$n" NOT-ELF "$sz" - - "$(file -b "$t" | cut -c1-28)"
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continue
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fi
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text=$(readelf -SW "$t" 2>/dev/null | awk '$2==".text"{print strtonum("0x"$6)}')
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syms=$(readelf -sW --dyn-syms "$t" 2>/dev/null | grep -c FUNC)
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note=""
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[[ -z "$text" ]] && { note="NO-.text"; text=0; }
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[[ "$text" -lt 4096 && "$sz" -gt 20000 ]] && note="$note SMALL-TEXT"
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[[ "$syms" -lt 5 ]] && note="$note FEW-SYMS"
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printf '%-30s %-9s %10s %9s %6s %s\n' "$n" "$k" "$sz" "$text" "$syms" "$note"
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done
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echo "--- Xorg / input modules ---"
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for p in usr/local/lib/Xorg.good usr/local/lib/Xorg usr/lib/Xorg \
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usr/local/lib/xorg/modules/drivers/modesetting_drv.so \
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usr/local/lib/xorg/modules/input/libinput_drv.so \
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usr/local/lib/xorg/modules/input/mouse_drv.so \
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usr/local/lib/xorg/modules/input/kbd_drv.so; do
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f="$R/$p"
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if [[ -e "$f" ]]; then
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printf '%-56s %10s %s\n' "$p" "$(stat -c %s "$f")" "$(file -b "$f" | cut -c1-34)"
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else
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printf '%-56s %10s\n' "$p" absent
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fi
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done
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umount "$R"; rmdir "$R"; umount "$M"; losetup -d "$L"; rmdir "$M"
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