modified: beem.bash

new file: raiden-cold.sh new file: raiden-hot.sh new file: raiden-synk.sh modified: xsetroot
2026-08-31 22:14:51 +02:00
parent b583620de2
commit 8e09af10a4
5 changed files with 324 additions and 11 deletions
@@ -0,0 +1,121 @@
+#!/usr/bin/env bash
+# raiden-cold.sh — open/close/status encrypted container
+# Usage: raiden-cold.sh open | close | status
+
+IMG="/mnt/sektor/.local/raiden-cold.img"
+MAP_NAME="raiden-cold"
+MOUNT_POINT="/mnt/raiden/cold"
+
+# ── colors ──────────────────────────────────────────────────────────────────
+RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; NC='\033[0m'
+info()  { echo -e "${GREEN}[✔]${NC} $*"; }
+warn()  { echo -e "${YELLOW}[!]${NC} $*"; }
+error() { echo -e "${RED}[✘]${NC} $*"; exit 1; }
+
+# ── helpers ───────────────────────────────────────────────────────────────────
+is_mounted() { mountpoint -q "$MOUNT_POINT"; }
+is_mapped()  { [ -e "/dev/mapper/$MAP_NAME" ]; }
+find_loop()  { losetup -j "$IMG" | awk -F: '{print $1}'; }  # find loop already attached to image
+
+# ── open ──────────────────────────────────────────────────────────────────────
+cmd_open() {
+    [ -f "$IMG" ] || error "Image not found: $IMG — is the NFS share mounted?"
+
+    # Auto-pick a free loop device, reuse if image already attached
+    local LOOP
+    LOOP=$(find_loop)
+    if [ -n "$LOOP" ]; then
+        warn "Image already attached as $LOOP — reusing"
+    else
+        info "Attaching loop device..."
+        LOOP=$(losetup -fP --show "$IMG") || error "losetup failed"
+        info "Loop device attached: $LOOP"
+    fi
+
+    if is_mapped; then
+        warn "/dev/mapper/$MAP_NAME already exists — skipping cryptsetup"
+    else
+        info "Opening LUKS container (enter passphrase)..."
+        cryptsetup open "$LOOP" "$MAP_NAME" || error "cryptsetup open failed"
+        info "LUKS container open: /dev/mapper/$MAP_NAME"
+    fi
+
+    if is_mounted; then
+        warn "$MOUNT_POINT already mounted — skipping"
+    else
+        mkdir -p "$MOUNT_POINT"
+        mount "/dev/mapper/$MAP_NAME" "$MOUNT_POINT" || error "mount failed"
+        info "Mounted at $MOUNT_POINT"
+    fi
+
+    echo ""
+    df -h "$MOUNT_POINT"
+}
+
+# ── close ─────────────────────────────────────────────────────────────────────
+cmd_close() {
+    # Resolve loop device before closing LUKS (after close it's gone)
+    local LOOP
+    LOOP=$(cryptsetup status "$MAP_NAME" 2>/dev/null | awk '/device:/{print $2}')
+
+    if is_mounted; then
+        info "Unmounting $MOUNT_POINT..."
+        umount "$MOUNT_POINT" || error "umount failed — files still open?"
+        info "Unmounted"
+    else
+        warn "$MOUNT_POINT not mounted — skipping"
+    fi
+
+    if is_mapped; then
+        info "Closing LUKS container..."
+        cryptsetup close "$MAP_NAME" || error "cryptsetup close failed"
+        info "LUKS container closed"
+    else
+        warn "/dev/mapper/$MAP_NAME not found — skipping"
+    fi
+
+    if [ -n "$LOOP" ] && losetup "$LOOP" &>/dev/null; then
+        info "Detaching loop device $LOOP..."
+        losetup -d "$LOOP" || error "losetup detach failed"
+        info "Loop device detached"
+    else
+        warn "No loop device to detach — skipping"
+    fi
+
+    info "Vault closed."
+}
+
+# ── status ────────────────────────────────────────────────────────────────────
+cmd_status() {
+    local LOOP
+    LOOP=$(find_loop)
+
+    echo -e "\n  Image     : $IMG"
+    [ -f "$IMG" ]   && echo -e "  NFS share : ${GREEN}reachable${NC}"  \
+                    || echo -e "  NFS share : ${RED}not reachable${NC}"
+
+    [ -n "$LOOP" ]  && echo -e "  Loop dev  : ${GREEN}$LOOP${NC}"      \
+                    || echo -e "  Loop dev  : ${RED}not attached${NC}"
+
+    is_mapped       && echo -e "  LUKS      : ${GREEN}open${NC}"        \
+                    || echo -e "  LUKS      : ${RED}closed${NC}"
+
+    is_mounted      && echo -e "  Mounted   : ${GREEN}$MOUNT_POINT${NC}" \
+                    || echo -e "  Mounted   : ${RED}no${NC}"
+
+    is_mounted && { echo ""; df -h "$MOUNT_POINT"; }
+    echo ""
+}
+
+# ── main ──────────────────────────────────────────────────────────────────────
+[ "$EUID" -eq 0 ] || error "Run as root"
+
+case "$1" in
+    open)   cmd_open   ;;
+    close)  cmd_close  ;;
+    status) cmd_status ;;
+    *)
+        echo "Usage: $(basename "$0") open | close | status"
+        exit 1
+        ;;
+esac