mirror of
https://github.com/atmoz/sftp.git
synced 2024-11-17 12:51:33 -05:00
351 lines
9.6 KiB
Bash
Executable file
351 lines
9.6 KiB
Bash
Executable file
#!/bin/bash
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# See: https://github.com/kward/shunit2
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argImage=$1
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argOutput=${2:-"quiet"}
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argCleanup=${3:-"cleanup"}
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testDir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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imageName="$argImage"
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sshKeyPri="/tmp/atmoz_sftp_test_rsa"
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sshKeyPub="/tmp/atmoz_sftp_test_rsa.pub"
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if [ $UID != 0 ] && ! groups | grep -qw docker; then
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echo "Run with sudo/root or add user $USER to group 'docker'"
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exit 1
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fi
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if [ ! -f "$testDir/shunit2/shunit2" ]; then
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echo "Could not find shunit2 in $testDir/shunit2."
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echo "Run 'git submodule update --init'"
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exit 2
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fi
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if [ -z "$argImage" ]; then
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echo "Missing image name"
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exit 3
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fi
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if [ "$argOutput" == "quiet" ]; then
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redirect="/dev/null"
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else
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redirect="/dev/stdout"
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fi
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# clear argument list (or shunit2 will try to use them)
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set --
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##############################################################################
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## Helper functions
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##############################################################################
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function oneTimeSetUp() {
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# Generate temporary ssh keys for testing
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if [ ! -f "$sshKeyPri" ]; then
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ssh-keygen -t rsa -f "$sshKeyPri" -N '' > "$redirect" 2>&1
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fi
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# Private key can not be read by others (sshd will complain)
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chmod go-rw "$sshKeyPri"
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}
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function setUp() {
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# shellcheck disable=SC2154
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containerName="atmoz_sftp_${_shunit_test_}"
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containerTmpDir="$(mktemp -d "/tmp/${containerName}_XXXX")"
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export containerName containerTmpDir
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retireContainer "$containerName" # clean up leftover container
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}
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function tearDown() {
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retireContainer "$containerName"
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if [ "$argCleanup" == "cleanup" ] && [ -d "$containerTmpDir" ]; then
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rm -rf "$containerTmpDir" || true # Can fail on GitHub Actions
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fi
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}
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function retireContainer() {
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if [ "$(docker ps -qaf name="$1")" ]; then
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if [ "$argOutput" != "quiet" ]; then
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echo "Docker log for $1:"
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docker logs "$1"
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fi
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if [ "$argCleanup" == "cleanup" ]; then
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docker rm -fv "$1" > "$redirect" 2>&1
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fi
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fi
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}
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function getSftpIp() {
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docker inspect -f "{{.NetworkSettings.IPAddress}}" "$1"
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}
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function runSftpCommands() {
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ip="$(getSftpIp "$1")"
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user="$2"
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shift 2
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commands=""
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for cmd in "$@"; do
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commands="$commands$cmd"$'\n'
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done
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echo "$commands" | sftp \
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-i "$sshKeyPri" \
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-oStrictHostKeyChecking=no \
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-oUserKnownHostsFile=/dev/null \
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-b - "$user@$ip" \
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> "$redirect" 2>&1
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status=$?
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sleep 1 # wait for commands to finish
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return $status
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}
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function waitForServer() {
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containerName="$1"
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echo -n "Waiting for $containerName to open port 22 ..."
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for _ in {1..30}; do
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sleep 1
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ip="$(getSftpIp "$containerName")"
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echo -n "."
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if [ -n "$ip" ] && nc -z "$ip" 22; then
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echo " OPEN"
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return 0;
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fi
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done
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echo " TIMEOUT"
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return 1
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}
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##############################################################################
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## Tests
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##############################################################################
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function testSmallestUserConfig() {
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docker run --name "$containerName" \
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--entrypoint="/bin/sh" \
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"$imageName" \
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-c "create-sftp-user u: && id u" \
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> "$redirect" 2>&1
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assertTrue "user created" $?
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}
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function testCreateUserWithDot() {
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docker run --name "$containerName" \
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--entrypoint="/bin/sh" \
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"$imageName" \
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-c "create-sftp-user user.with.dot: && id user.with.dot" \
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> "$redirect" 2>&1
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assertTrue "user created" $?
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}
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function testUserCustomUidAndGid() {
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id="$(docker run --name "$containerName" \
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--entrypoint="/bin/sh" \
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"$imageName" \
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-c "create-sftp-user u::1234:4321: > /dev/null && id u" )"
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echo "$id" | grep -q 'uid=1234('
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assertTrue "custom UID" $?
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echo "$id" | grep -q 'gid=4321('
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assertTrue "custom GID" $?
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# Here we also check group name
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assertEquals "uid=1234(u) gid=4321(group_4321) groups=4321(group_4321)" "$id"
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}
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function testCommandPassthrough() {
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docker run --name "$containerName" \
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"$imageName" test 1 -eq 1 \
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> "$redirect" 2>&1
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assertTrue "command passthrough" $?
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}
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function testUsersConf() {
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docker run --name "$containerName" -d \
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-v "$testDir/files/users.conf:/etc/sftp/users.conf:ro" \
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"$imageName" \
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> "$redirect" 2>&1
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waitForServer "$containerName"
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assertTrue "waitForServer" $?
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docker exec "$containerName" id user-from-conf > /dev/null
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assertTrue "user-from-conf" $?
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docker exec "$containerName" id test > /dev/null
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assertTrue "test" $?
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docker exec "$containerName" id user.with.dot > /dev/null
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assertTrue "user.with.dot" $?
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docker exec "$containerName" test -d /home/test/dir1 -a -d /home/test/dir2
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assertTrue "dirs exists" $?
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}
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function testLegacyUsersConf() {
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docker run --name "$containerName" -d \
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-v "$testDir/files/users.conf:/etc/sftp-users.conf:ro" \
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"$imageName" \
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> "$redirect" 2>&1
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waitForServer "$containerName"
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assertTrue "waitForServer" $?
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docker exec "$containerName" id user-from-conf > /dev/null
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assertTrue "user-from-conf" $?
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}
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function testCreateUsersUsingEnv() {
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docker run --name "$containerName" -d \
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-e "SFTP_USERS=user-from-env: user-from-env-2:" \
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"$imageName" \
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> "$redirect" 2>&1
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waitForServer "$containerName"
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assertTrue "waitForServer" $?
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docker exec "$containerName" id user-from-env > /dev/null
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assertTrue "user-from-env" $?
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docker exec "$containerName" id user-from-env-2 > /dev/null
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assertTrue "user-from-env-2" $?
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}
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function testCreateUsersUsingCombo() {
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docker run --name "$containerName" -d \
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-v "$testDir/files/users.conf:/etc/sftp-users.conf:ro" \
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-e "SFTP_USERS=user-from-env:" \
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"$imageName" \
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user-from-cmd: \
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> "$redirect" 2>&1
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waitForServer "$containerName"
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assertTrue "waitForServer" $?
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docker exec "$containerName" id user-from-conf > /dev/null
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assertTrue "user-from-conf" $?
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docker exec "$containerName" id user-from-env > /dev/null
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assertTrue "user-from-env" $?
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docker exec "$containerName" id user-from-cmd > /dev/null
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assertTrue "user-from-cmd" $?
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}
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function testWriteAccessToAutocreatedDirs() {
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docker run --name "$containerName" -d \
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-v "$sshKeyPub":/home/test/.ssh/keys/id_rsa.pub:ro \
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"$imageName" "test::::testdir,dir with spaces" \
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> "$redirect" 2>&1
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waitForServer "$containerName"
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assertTrue "waitForServer" $?
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runSftpCommands "$containerName" "test" \
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"cd testdir" \
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"mkdir test" \
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"cd '../dir with spaces'" \
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"mkdir test" \
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"exit"
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assertTrue "runSftpCommands" $?
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docker exec "$containerName" test -d /home/test/testdir/test
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assertTrue "testdir write access" $?
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docker exec "$containerName" test -d "/home/test/dir with spaces/test"
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assertTrue "dir with spaces write access" $?
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}
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function testWriteAccessToLimitedChroot() {
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# Modified sshd_config with chrooted home subdir
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tmpConfig="$(mktemp)"
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sed 's/^ChrootDirectory.*/ChrootDirectory %h\/sftp/' \
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< "$testDir/../files/sshd_config" > "$tmpConfig"
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# Set correct permissions on chroot
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tmpScript="$(mktemp)"
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cat > "$tmpScript" <<EOF
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mkdir -p /home/*/sftp
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chown root:root /home/*/sftp
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chmod 755 /home/*/sftp
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EOF
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chmod +x "$tmpScript"
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docker run --name "$containerName" -d \
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-v "$sshKeyPub":/home/test/.ssh/keys/id_rsa.pub:ro \
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-v "$tmpConfig:/etc/ssh/sshd_config" \
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-v "$tmpScript:/etc/sftp.d/limited_home_dir" \
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"$imageName" "test::::sftp/upload" \
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> "$redirect" 2>&1
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waitForServer "$containerName"
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assertTrue "waitForServer" $?
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runSftpCommands "$containerName" "test" \
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"cd upload" \
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"mkdir test" \
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"exit"
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assertTrue "runSftpCommands" $?
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docker exec "$containerName" test -d /home/test/sftp/upload/test
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assertTrue "limited chroot write access" $?
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}
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function testBindmountDirScript() {
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mkdir -p "$containerTmpDir/custom/bindmount"
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echo "mkdir -p /home/custom/bindmount && \
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chown custom /custom /home/custom/bindmount && \
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mount --bind /custom /home/custom/bindmount" \
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> "$containerTmpDir/mount.sh"
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chmod +x "$containerTmpDir/mount.sh"
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docker run --name "$containerName" -d \
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--privileged=true \
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-v "$sshKeyPub":/home/custom/.ssh/keys/id_rsa.pub:ro \
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-v "$containerTmpDir/custom/bindmount":/custom \
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-v "$containerTmpDir/mount.sh":/etc/sftp.d/mount.sh \
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"$imageName" custom:123 \
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> "$redirect" 2>&1
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waitForServer "$containerName"
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assertTrue "waitForServer" $?
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runSftpCommands "$containerName" "custom" \
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"cd bindmount" \
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"mkdir test" \
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"exit"
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assertTrue "runSftpCommands" $?
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docker exec "$containerName" test -d /home/custom/bindmount/test
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assertTrue "directory exist" $?
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}
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function testDuplicateSshKeys() {
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docker run --name "$containerName" -d \
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-v "$sshKeyPub":/home/user/.ssh/keys/key1.pub:ro \
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-v "$sshKeyPub":/home/user/.ssh/keys/key2.pub:ro \
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"$imageName" "user:" \
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> "$redirect" 2>&1
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waitForServer "$containerName"
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assertTrue "waitForServer" $?
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lines="$(docker exec "$containerName" sh -c \
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"wc -l < /home/user/.ssh/authorized_keys")"
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assertEquals "1" "$lines"
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}
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##############################################################################
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## Run
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##############################################################################
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# shellcheck disable=SC1090
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source "$testDir/shunit2/shunit2"
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# Nothing happens after this
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