diff options
Diffstat (limited to 'plugins/ssh')
| -rw-r--r-- | plugins/ssh/README.md | 16 | ||||
| -rw-r--r-- | plugins/ssh/ssh.plugin.zsh | 53 |
2 files changed, 69 insertions, 0 deletions
diff --git a/plugins/ssh/README.md b/plugins/ssh/README.md new file mode 100644 index 000000000..3dd32ec76 --- /dev/null +++ b/plugins/ssh/README.md @@ -0,0 +1,16 @@ +# ssh plugin + +This plugin provides host completion based off of your `~/.ssh/config` file, and adds +some utility functions to work with SSH keys. + +To use it, add `ssh` to the plugins array in your zshrc file: + +```zsh +plugins=(... ssh) +``` + +## Functions + +- `ssh_rmhkey`: remove host key from known hosts based on a host section name from `.ssh/config`. +- `ssh_load_key`: load SSH key into agent. +- `ssh_unload_key`: remove SSH key from agent. diff --git a/plugins/ssh/ssh.plugin.zsh b/plugins/ssh/ssh.plugin.zsh new file mode 100644 index 000000000..24ad88028 --- /dev/null +++ b/plugins/ssh/ssh.plugin.zsh @@ -0,0 +1,53 @@ +############################################################ +# Take all host sections in .ssh/config and offer them for +# completion as hosts (e.g. for ssh, rsync, scp and the like) +# Filter out wildcard host sections. +_ssh_configfile="$HOME/.ssh/config" +if [[ -f "$_ssh_configfile" ]]; then + _ssh_hosts=($( + grep -E '^Host.*' "$_ssh_configfile" |\ + awk '{for (i=2; i<=NF; i++) print $i}' |\ + sort |\ + uniq |\ + grep -v '^*' |\ + sed -e 's/\.*\*$//' + )) + zstyle ':completion:*:hosts' hosts $_ssh_hosts + unset _ssh_hosts +fi +unset _ssh_configfile + +############################################################ +# Remove host key from known hosts based on a host section +# name from .ssh/config +function ssh_rmhkey { + local ssh_configfile="$HOME/.ssh/config" + local ssh_host="$1" + if [[ -z "$ssh_host" ]]; then return; fi + ssh-keygen -R $(grep -A10 "$ssh_host" "$ssh_configfile" | grep -i HostName | head -n 1 | awk '{print $2}') +} +compctl -k hosts ssh_rmhkey + +############################################################ +# Load SSH key into agent +function ssh_load_key() { + local key="$1" + if [[ -z "$key" ]]; then return; fi + local keyfile="$HOME/.ssh/$key" + local keysig=$(ssh-keygen -l -f "$keyfile") + if ( ! ssh-add -l | grep -q "$keysig" ); then + ssh-add "$keyfile" + fi +} + +############################################################ +# Remove SSH key from agent +function ssh_unload_key { + local key="$1" + if [[ -z "$key" ]]; then return; fi + local keyfile="$HOME/.ssh/$key" + local keysig=$(ssh-keygen -l -f "$keyfile") + if ( ssh-add -l | grep -q "$keysig" ); then + ssh-add -d "$keyfile" + fi +} |
