36 lines
1.2 KiB
Bash
36 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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set -uo pipefail
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IMG=/home/deshab/deshab-dev.img
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killall qemu-system-x86_64 2>/dev/null || true
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LOOP=$(losetup --find --show --partscan "$IMG")
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sleep 0.3
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M=$(mktemp -d)
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mount -o ro "${LOOP}p1" "$M"
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EXTRA="$M/boot/linux-extra-rootfs.img"
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W=/tmp/plasma-deps
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mkdir -p "$W"
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debugfs -R "dump /usr/lib/libpam.so.0.85.1 $W/pam" "$EXTRA" >/dev/null
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debugfs -R "dump /usr/lib/libpam_misc.so.0.82.1 $W/pammisc" "$EXTRA" >/dev/null
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echo "===== pam NEEDED ====="
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readelf -d "$W/pam" "$W/pammisc" | grep NEEDED || true
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magic_of() {
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local path="$1"
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local dest sz mag
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dest=$(debugfs -R "stat $path" "$EXTRA" 2>/dev/null | sed -n 's/.*Fast link dest: "//p' | tr -d '"')
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if [[ -n "$dest" ]]; then
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[[ "$dest" != /* ]] && dest="$(dirname "$path")/$dest"
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path="$dest"
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fi
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sz=$(debugfs -R "stat $path" "$EXTRA" 2>/dev/null | sed -n 's/.*Size: *//p' | awk '{print $1; exit}')
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mag=$(debugfs -R "cat $path" "$EXTRA" 2>/dev/null | head -c 4 | od -An -tx1 | tr -s ' ')
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echo "$path size=${sz:-?} magic=$mag"
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}
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while read -r name; do
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[[ -n "$name" ]] || continue
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magic_of "/usr/lib/$name"
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done < <(readelf -d "$W/pam" "$W/pammisc" | sed -n 's/.*Shared library: \[\(.*\)\]/\1/p' | sort -u)
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umount "$M"
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losetup -d "$LOOP"
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rmdir "$M"
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echo DONE
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