928d5af54c
Complete Linux backup manager with Whiptail TUI and CLI interface. Adapted from gniza4cp (cPanel backup tool) with target/profile-based system replacing cPanel-specific features. - 14 core engine modules (backup, restore, targets, remotes, transfer, etc.) - 11 Whiptail TUI screens (full CRUD for targets/remotes/schedules) - CLI entrypoint with subcommands for scripting/cron - Support for SSH, local, S3, and Google Drive remotes - rsync --link-dest incremental snapshots - Root and user mode (XDG paths) - 70 passing tests - Config templates, installer, uninstaller Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
81 lines
2.2 KiB
Bash
81 lines
2.2 KiB
Bash
#!/usr/bin/env bash
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# gniza4linux/lib/ssh.sh — SSH connectivity, remote exec, ssh_opts builder
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[[ -n "${_GNIZA_SSH_LOADED:-}" ]] && return 0
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_GNIZA_SSH_LOADED=1
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_is_password_mode() {
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[[ "${REMOTE_AUTH_METHOD:-key}" == "password" ]]
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}
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build_ssh_opts() {
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local opts=()
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opts+=(-n)
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if _is_password_mode; then
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opts+=(-o "StrictHostKeyChecking=yes")
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else
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opts+=(-i "$REMOTE_KEY")
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opts+=(-o "StrictHostKeyChecking=yes")
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opts+=(-o "BatchMode=yes")
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fi
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opts+=(-p "$REMOTE_PORT")
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opts+=(-o "ConnectTimeout=$SSH_TIMEOUT")
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opts+=(-o "ServerAliveInterval=60")
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opts+=(-o "ServerAliveCountMax=3")
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echo "${opts[*]}"
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}
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build_ssh_cmd() {
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if _is_password_mode; then
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echo "sshpass -e ssh $(build_ssh_opts)"
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else
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echo "ssh $(build_ssh_opts)"
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fi
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}
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remote_exec() {
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local cmd="$1"
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local ssh_opts; ssh_opts=$(build_ssh_opts)
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if _is_password_mode; then
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log_debug "CMD: sshpass -e ssh $ssh_opts ${REMOTE_USER}@${REMOTE_HOST} '<cmd>'"
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export SSHPASS="$REMOTE_PASSWORD"
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# shellcheck disable=SC2086
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sshpass -e ssh $ssh_opts "${REMOTE_USER}@${REMOTE_HOST}" "$cmd"
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else
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log_debug "CMD: ssh $ssh_opts ${REMOTE_USER}@${REMOTE_HOST} '$cmd'"
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# shellcheck disable=SC2086
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ssh $ssh_opts "${REMOTE_USER}@${REMOTE_HOST}" "$cmd"
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fi
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}
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remote_exec_quiet() {
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remote_exec "$1" 2>/dev/null
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}
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test_ssh_connection() {
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log_info "Testing SSH connection to ${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PORT}..."
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if remote_exec "echo ok" &>/dev/null; then
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log_info "SSH connection successful"
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return 0
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else
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log_error "SSH connection failed to ${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PORT}"
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return 1
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fi
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}
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ensure_remote_dir() {
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local dir="$1"
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remote_exec "mkdir -p '$dir'" || {
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log_error "Failed to create remote directory: $dir"
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return 1
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}
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}
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build_rsync_ssh_cmd() {
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if _is_password_mode; then
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echo "ssh -p $REMOTE_PORT -o StrictHostKeyChecking=yes -o ConnectTimeout=$SSH_TIMEOUT"
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else
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echo "ssh -i $REMOTE_KEY -p $REMOTE_PORT -o StrictHostKeyChecking=yes -o BatchMode=yes -o ConnectTimeout=$SSH_TIMEOUT"
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fi
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}
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