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| 1 | +#!/bin/sh |
| 2 | + |
| 3 | +# Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. |
| 4 | +# SPDX-License-Identifier: BSD-3-Clause-Clear |
| 5 | + |
| 6 | +# Ensure script runs as root |
| 7 | +if [ "$(id -u)" -ne 0 ]; then |
| 8 | + echo "[ERROR] This script must be run as root." >&2 |
| 9 | + exit 1 |
| 10 | +else |
| 11 | + echo "[INFO] Running as root. Continuing..." |
| 12 | +fi |
| 13 | + |
| 14 | +# Robustly find and source init_env |
| 15 | +SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)" |
| 16 | +INIT_ENV="" |
| 17 | +SEARCH="$SCRIPT_DIR" |
| 18 | +while [ "$SEARCH" != "/" ]; do |
| 19 | + if [ -f "$SEARCH/init_env" ]; then |
| 20 | + INIT_ENV="$SEARCH/init_env" |
| 21 | + break |
| 22 | + fi |
| 23 | + SEARCH=$(dirname "$SEARCH") |
| 24 | +done |
| 25 | + |
| 26 | +if [ -z "$INIT_ENV" ]; then |
| 27 | + echo "[ERROR] Could not find init_env (starting at $SCRIPT_DIR)" >&2 |
| 28 | + exit 1 |
| 29 | +fi |
| 30 | + |
| 31 | +if [ -z "$__INIT_ENV_LOADED" ]; then |
| 32 | + # shellcheck disable=SC1090 |
| 33 | + . "$INIT_ENV" |
| 34 | +fi |
| 35 | + |
| 36 | +# shellcheck disable=SC1090,SC1091 |
| 37 | +. "$TOOLS/functestlib.sh" |
| 38 | + |
| 39 | +FSCRYPTCTL="${FSCRYPTCTL:-fscryptctl}" |
| 40 | +TESTNAME="UserDataEncryption" |
| 41 | +test_path=$(find_test_case_by_name "$TESTNAME") |
| 42 | +cd "$test_path" || exit 1 |
| 43 | +res_file="./$TESTNAME.res" |
| 44 | +FS_PATH="/mnt" |
| 45 | + |
| 46 | +# Globals that cleanup will use |
| 47 | +key_id="" |
| 48 | +KEY_FILE="" |
| 49 | + |
| 50 | +cleanup() { |
| 51 | + if [ -n "$key_id" ]; then |
| 52 | + "$FSCRYPTCTL" remove_key "$key_id" "$FS_PATH" >/dev/null 2>&1 || true |
| 53 | + fi |
| 54 | + [ -n "$KEY_FILE" ] && rm -f "$KEY_FILE" 2>/dev/null || true |
| 55 | + rm -f "$MOUNT_DIR/file.txt" 2>/dev/null || true |
| 56 | + rmdir "$MOUNT_DIR" 2>/dev/null || true |
| 57 | +} |
| 58 | + |
| 59 | +# Run cleanup on normal exit, Ctrl-C, or SIGTERM |
| 60 | +trap cleanup EXIT INT TERM |
| 61 | + |
| 62 | +log_info "-----------------------------------------------------------------------------------------" |
| 63 | +log_info "-------------------Starting $TESTNAME Testcase----------------------------" |
| 64 | +log_info "=== Test Initialization ===" |
| 65 | + |
| 66 | +log_info "Checking if dependency binary is available" |
| 67 | +check_dependencies "$FSCRYPTCTL" |
| 68 | + |
| 69 | +# Create a secure temporary file for the key |
| 70 | +if KEY_FILE="$(mktemp)"; then |
| 71 | + echo "[INFO] Temporary key file created: $KEY_FILE" |
| 72 | + chmod 600 "$KEY_FILE" |
| 73 | +else |
| 74 | + echo "[ERROR] Failed to create temporary key file" >&2 |
| 75 | + exit 1 |
| 76 | +fi |
| 77 | + |
| 78 | +MOUNT_DIR="/mnt/testing" |
| 79 | + |
| 80 | +# Step 1: Generate a 64-byte key |
| 81 | +log_info "Generating 64-byte encryption key" |
| 82 | +if ! head -c 64 /dev/urandom > "$KEY_FILE"; then |
| 83 | + log_fail "$TESTNAME : Failed to generate encryption key" |
| 84 | + echo "$TESTNAME FAIL" > "$res_file" |
| 85 | + exit 1 |
| 86 | +fi |
| 87 | + |
| 88 | +# Step 2: Create mount folder |
| 89 | +log_info "Creating mount folder at $MOUNT_DIR" |
| 90 | +if [ -d "$MOUNT_DIR" ]; then |
| 91 | + log_info "$MOUNT_DIR already exists. Deleting it first." |
| 92 | + if ! rm -rf "$MOUNT_DIR"; then |
| 93 | + log_fail "$TESTNAME : Failed to delete existing mount directory" |
| 94 | + echo "$TESTNAME FAIL" > "$res_file" |
| 95 | + exit 1 |
| 96 | + fi |
| 97 | +fi |
| 98 | + |
| 99 | +if ! mkdir -p "$MOUNT_DIR"; then |
| 100 | + log_fail "$TESTNAME : Failed to create mount directory" |
| 101 | + echo "$TESTNAME FAIL" > "$res_file" |
| 102 | + exit 1 |
| 103 | +fi |
| 104 | + |
| 105 | +# Step 3: Add the key to the filesystem |
| 106 | +log_info "Adding encryption key to the filesystem" |
| 107 | +key_id=$("$FSCRYPTCTL" add_key "$FS_PATH" < "$KEY_FILE" 2>/dev/null) |
| 108 | +if [ -z "$key_id" ]; then |
| 109 | + log_fail "$TESTNAME : Failed to add encryption key" |
| 110 | + echo "$TESTNAME FAIL" > "$res_file" |
| 111 | + exit 1 |
| 112 | +fi |
| 113 | + |
| 114 | +log_info "Key ID: $key_id" |
| 115 | + |
| 116 | +# Step 4: Check key status |
| 117 | +log_info "Checking key status" |
| 118 | +status=$("$FSCRYPTCTL" key_status "$key_id" "$FS_PATH" 2>/dev/null) |
| 119 | +if [ -z "$status" ]; then |
| 120 | + log_fail "$TESTNAME : Failed to get key status" |
| 121 | + echo "$TESTNAME FAIL" > "$res_file" |
| 122 | + exit 1 |
| 123 | +fi |
| 124 | +log_info "Key Status: $status" |
| 125 | + |
| 126 | +# Step 5: Set encryption policy |
| 127 | +log_info "Setting encryption policy on $MOUNT_DIR" |
| 128 | +if ! "$FSCRYPTCTL" set_policy "$key_id" "$MOUNT_DIR"; then |
| 129 | + log_fail "$TESTNAME : Failed to set encryption policy" |
| 130 | + echo "$TESTNAME FAIL" > "$res_file" |
| 131 | + exit 1 |
| 132 | +fi |
| 133 | + |
| 134 | +# Step 6: Verify policy |
| 135 | +log_info "Verifying encryption policy" |
| 136 | +policy_output=$("$FSCRYPTCTL" get_policy "$MOUNT_DIR" 2>/dev/null) |
| 137 | +if echo "$policy_output" | grep -q "$key_id"; then |
| 138 | + log_info "Policy verification successful" |
| 139 | +else |
| 140 | + log_fail "$TESTNAME : Policy verification failed" |
| 141 | + echo "$TESTNAME FAIL" > "$res_file" |
| 142 | + exit 1 |
| 143 | +fi |
| 144 | + |
| 145 | +# Step 7: Create and read a test file |
| 146 | +log_info "Creating test file in encrypted directory" |
| 147 | +echo "file" > "$MOUNT_DIR/file.txt" |
| 148 | + |
| 149 | +log_info "Reading test file" |
| 150 | +file_content=$(cat "$MOUNT_DIR/file.txt") |
| 151 | +if [ "$file_content" = "file" ]; then |
| 152 | + log_pass "$TESTNAME : Test Passed" |
| 153 | + echo "$TESTNAME PASS" > "$res_file" |
| 154 | +else |
| 155 | + log_fail "$TESTNAME : Test Failed" |
| 156 | + echo "$TESTNAME FAIL" > "$res_file" |
| 157 | + exit 1 |
| 158 | +fi |
| 159 | + |
| 160 | +# Cleanup |
| 161 | +rm -f "$MOUNT_DIR/file.txt" |
| 162 | +rmdir "$MOUNT_DIR" |
| 163 | + |
| 164 | +log_info "-------------------Completed $TESTNAME Testcase----------------------------" |
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