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56 lines
1.5 KiB
Bash
56 lines
1.5 KiB
Bash
#
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# Provides for an easier use of GPG by setting up gpg-agent.
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#
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# Authors:
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# Sorin Ionescu <sorin.ionescu@gmail.com>
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#
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# Return if requirements are not found.
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if (( ! $+commands[gpg-agent] )); then
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return 1
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fi
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# Set the default paths to gpg-agent files.
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_gpg_agent_conf="${GNUPGHOME:-$HOME/.gnupg}/gpg-agent.conf"
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_gpg_agent_env="${TMPDIR:-/tmp}/gpg-agent.env.$UID"
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# Load environment variables from previous run
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source "$_gpg_agent_env" 2> /dev/null
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# Start gpg-agent if not started.
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if [[ -z "$GPG_AGENT_INFO" && ! -S "${GNUPGHOME:-$HOME/.gnupg}/S.gpg-agent" ]]; then
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# Start gpg-agent if not started.
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if ! ps -U "$LOGNAME" -o pid,ucomm | grep -q -- "${${${(s.:.)GPG_AGENT_INFO}[2]}:--1} gpg-agent"; then
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eval "$(gpg-agent --daemon | tee "$_gpg_agent_env")"
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fi
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fi
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# Inform gpg-agent of the current TTY for user prompts.
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export GPG_TTY="$(tty)"
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# Integrate with the SSH module.
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if grep '^enable-ssh-support' "$_gpg_agent_conf" &> /dev/null; then
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# Load required functions.
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autoload -Uz add-zsh-hook
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# Override the ssh-agent environment file default path.
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_ssh_agent_env="$_gpg_agent_env"
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# Load the SSH module for additional processing.
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pmodload 'ssh'
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# Updates the GPG-Agent TTY before every command since SSH does not set it.
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function _gpg-agent-update-tty {
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gpg-connect-agent UPDATESTARTUPTTY /bye >/dev/null
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}
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add-zsh-hook preexec _gpg-agent-update-tty
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fi
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# Clean up.
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unset _gpg_agent_{conf,env}
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# Disable GUI prompts inside SSH.
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if [[ -n "$SSH_CONNECTION" ]]; then
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export PINENTRY_USER_DATA='USE_CURSES=1'
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fi
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