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1 | # letsencrypt.sh [![Build Status](https://travis-ci.org/lukas2511/letsencrypt.sh.svg?branch=master)](https://travis-ci.org/lukas2511/letsencrypt.sh) | |
2 | ||
3 | This is a client for signing certificates with an ACME-server (currently only provided by letsencrypt) implemented as a relatively simple bash-script. | |
4 | ||
5 | It uses the `openssl` utility for everything related to actually handling keys and certificates, so you need to have that installed. | |
6 | ||
7 | Other dependencies are: curl, sed, grep, mktemp (all found on almost any system, curl being the only exception) | |
8 | ||
9 | Current features: | |
10 | - Signing of a list of domains | |
11 | - Signing of a CSR | |
12 | - Renewal if a certificate is about to expire or SAN (subdomains) changed | |
13 | - Certificate revocation | |
14 | ||
15 | Please keep in mind that this software and even the acme-protocol are relatively young and may still have some unresolved issues. | |
16 | Feel free to report any issues you find with this script or contribute by submitting a pullrequest. | |
17 | ||
18 | ### Getting started | |
19 | ||
20 | For getting started I recommend taking a look at [docs/domains_txt.md](docs/domains_txt.md), [docs/wellknown.md](docs/wellknown.md) and the [Usage](#usage) section on this page (you'll probably only need the `-c` option). | |
21 | ||
22 | Generally you want to set up your WELLKNOWN path first, and then fill in domains.txt. | |
23 | ||
24 | **Please note that you should use the staging URL when experimenting with this script to not hit letsencrypts rate limits.** See [docs/staging.md](docs/staging.md). | |
25 | ||
26 | If you have any problems take a look at our [Troubleshooting](docs/troubleshooting.md) guide. | |
27 | ||
28 | ## Usage: | |
29 | ||
30 | ```text | |
31 | Usage: ./letsencrypt.sh [-h] [command [argument]] [parameter [argument]] [parameter [argument]] ... | |
32 | ||
33 | Default command: help | |
34 | ||
35 | Commands: | |
36 | --cron (-c) Sign/renew non-existant/changed/expiring certificates. | |
37 | --signcsr (-s) path/to/csr.pem Sign a given CSR, output CRT on stdout (advanced usage) | |
38 | --revoke (-r) path/to/cert.pem Revoke specified certificate | |
39 | --cleanup (-gc) Move unused certificate files to archive directory | |
40 | --help (-h) Show help text | |
41 | --env (-e) Output configuration variables for use in other scripts | |
42 | ||
43 | Parameters: | |
44 | --domain (-d) domain.tld Use specified domain name(s) instead of domains.txt entry (one certificate!) | |
45 | --force (-x) Force renew of certificate even if it is longer valid than value in RENEW_DAYS | |
46 | --privkey (-p) path/to/key.pem Use specified private key instead of account key (useful for revocation) | |
47 | --config (-f) path/to/config.sh Use specified config file | |
48 | --hook (-k) path/to/hook.sh Use specified script for hooks | |
49 | --challenge (-t) http-01|dns-01 Which challenge should be used? Currently http-01 and dns-01 are supported | |
50 | --algo (-a) rsa|prime256v1|secp384r1 Which public key algorithm should be used? Supported: rsa, prime256v1 and secp384r1 | |
51 | ``` |