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+# lego
+Let's Encrypt client and library in go!
+
+This is a work in progress. Please do *NOT* run this on a production server. 
+
+####Current Status
+The code in this repository is currently quite raw.
+You are currently able to register an account with the ACME server as well as request certificates through the CLI.
+
+Please keep in mind that CLI switches and APIs are still subject to change.
+
+When using the standard --path option, all certificates and account configurations are saved to a folder *.lego* in the current working directory.
+
+####Sudo
+I tried to not need sudo apart from challenges where binding to a privileged port is necessary.
+To run the CLI without sudo, you have two options:
+- Use ```setcap 'cap_net_bind_service=+ep' /path/to/program```
+- Pass the --port option and specify a custom port to bind to. In this case you have to forward port 443 to this custom port.
+
+#### Usage
+
+```
+NAME:
+   lego - Let's encrypt client to go!
+
+USAGE:
+   lego [global options] command [command options] [arguments...]
+
+VERSION:
+   0.0.1
+
+COMMANDS:
+   run		Create and install a certificate
+   auth		Create a certificate
+   install	Install a certificate
+   revoke	Revoke a certificate
+   rollback	Rollback a certificate
+   help, h	Shows a list of commands or help for one command
+   
+GLOBAL OPTIONS:
+   --domains, -d [--domains option --domains option]					Add domains to the process
+   --server, -s "https://www.letsencrypt-demo.org/acme/new-reg"				CA hostname (and optionally :port). The server certificate must be trusted in order to avoid further modifications to the client.
+   --email, -m 										Email used for registration and recovery contact.
+   --rsa-key-size, -B "2048"								Size of the RSA key.
+   --no-confirm										Turn off confirmation screens.
+   --agree-tos, -e									Skip the end user license agreement screen.
+   --path "/Volumes/Data/Users/azhwkd/Projects/go/src/github.com/xenolf/lego/.lego"	Directory to use for storing the data
+   --port 										Challenges will use this port to listen on. Please make sure to forward port 443 to this port on your machine. Otherwise use setcap on the binary
+   --help, -h										show help
+   --version, -v									print the version
+```