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Commit | Line | Data |
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2e8454b4 | 1 | #!/usr/bin/env bash |
a1a9c8a4 LS |
2 | |
3 | # letsencrypt.sh by lukas2511 | |
4 | # Source: https://github.com/lukas2511/letsencrypt.sh | |
5 | ||
69f3e78b LS |
6 | set -e |
7 | set -u | |
8 | set -o pipefail | |
da2eeda9 | 9 | [[ -n "${ZSH_VERSION:-}" ]] && set -o SH_WORD_SPLIT && set +o FUNCTION_ARGZERO |
81882a64 | 10 | umask 077 # paranoid umask, we're creating private keys |
61f0b7ed | 11 | |
0c429af9 VH |
12 | # duplicate scripts IO handles |
13 | exec 4<&0 5>&1 6>&2 | |
14 | ||
85a25b56 LS |
15 | # Find directory in which this script is stored by traversing all symbolic links |
16 | SOURCE="${0}" | |
17 | while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink | |
18 | DIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )" | |
19 | SOURCE="$(readlink "$SOURCE")" | |
20 | [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located | |
21 | done | |
22 | SCRIPTDIR="$( cd -P "$( dirname "$SOURCE" )" && pwd )" | |
23 | ||
0e92aba2 MG |
24 | BASEDIR="${SCRIPTDIR}" |
25 | ||
bc580335 | 26 | # Check for script dependencies |
9f66bfdb | 27 | check_dependencies() { |
0af7f388 | 28 | # just execute some dummy and/or version commands to see if required tools exist and are actually usable |
115041cd | 29 | openssl version > /dev/null 2>&1 || _exiterr "This script requires an openssl binary." |
f7c7d8c5 | 30 | _sed "" < /dev/null > /dev/null 2>&1 || _exiterr "This script requires sed with support for extended (modern) regular expressions." |
115041cd | 31 | grep -V > /dev/null 2>&1 || _exiterr "This script requires grep." |
d6ce8823 | 32 | mktemp -u -t XXXXXX > /dev/null 2>&1 || _exiterr "This script requires mktemp." |
0af7f388 LS |
33 | |
34 | # curl returns with an error code in some ancient versions so we have to catch that | |
35 | set +e | |
36 | curl -V > /dev/null 2>&1 | |
0af7f388 | 37 | retcode="$?" |
36a03146 | 38 | set -e |
0af7f388 LS |
39 | if [[ ! "${retcode}" = "0" ]] && [[ ! "${retcode}" = "2" ]]; then |
40 | _exiterr "This script requires curl." | |
41 | fi | |
9f66bfdb LS |
42 | } |
43 | ||
ff116396 LS |
44 | # Setup default config values, search for and load configuration files |
45 | load_config() { | |
00810795 LS |
46 | # Check for config in various locations |
47 | if [[ -z "${CONFIG:-}" ]]; then | |
48 | for check_config in "/etc/letsencrypt.sh" "/usr/local/etc/letsencrypt.sh" "${PWD}" "${SCRIPTDIR}"; do | |
49 | if [[ -e "${check_config}/config.sh" ]]; then | |
50 | BASEDIR="${check_config}" | |
51 | CONFIG="${check_config}/config.sh" | |
52 | break | |
53 | fi | |
54 | done | |
55 | fi | |
56 | ||
ff116396 LS |
57 | # Default values |
58 | CA="https://acme-v01.api.letsencrypt.org/directory" | |
59 | LICENSE="https://letsencrypt.org/documents/LE-SA-v1.0.1-July-27-2015.pdf" | |
de173892 | 60 | CHALLENGETYPE="http-01" |
a1cb7ccc | 61 | CONFIG_D= |
ff116396 | 62 | HOOK= |
6e048f7f | 63 | HOOK_CHAIN="no" |
30ad9584 | 64 | RENEW_DAYS="30" |
9baf3532 | 65 | PRIVATE_KEY= |
ff116396 | 66 | KEYSIZE="4096" |
9baf3532 | 67 | WELLKNOWN= |
ff116396 | 68 | PRIVATE_KEY_RENEW="no" |
c71ca3a8 | 69 | KEY_ALGO=rsa |
f0323faf | 70 | OPENSSL_CNF="$(openssl version -d | cut -d\" -f2)/openssl.cnf" |
ff116396 | 71 | CONTACT_EMAIL= |
9baf3532 | 72 | LOCKFILE= |
1e33cfe5 | 73 | |
81882a64 | 74 | if [[ -z "${CONFIG:-}" ]]; then |
ff116396 | 75 | echo "#" >&2 |
a1cb7ccc | 76 | echo "# !! WARNING !! No main config file found, using default config!" >&2 |
ff116396 | 77 | echo "#" >&2 |
81882a64 | 78 | elif [[ -e "${CONFIG}" ]]; then |
a1cb7ccc | 79 | echo "# INFO: Using main config file ${CONFIG}" |
81882a64 LS |
80 | BASEDIR="$(dirname "${CONFIG}")" |
81 | # shellcheck disable=SC1090 | |
82 | . "${CONFIG}" | |
83 | else | |
f06f764f | 84 | _exiterr "Specified config file doesn't exist." |
81882a64 | 85 | fi |
61f0b7ed | 86 | |
a1cb7ccc DB |
87 | if [[ -n "${CONFIG_D}" ]]; then |
88 | if [[ ! -d "${CONFIG_D}" ]]; then | |
89 | _exiterr "The path ${CONFIG_D} specified for CONFIG_D does not point to a directory." >&2 | |
90 | fi | |
91 | ||
92 | for check_config_d in ${CONFIG_D}/*.sh; do | |
93 | if [[ ! -e "${check_config_d}" ]]; then | |
94 | echo "# !! WARNING !! Extra configuration directory ${CONFIG_D} exists, but no configuration found in it." >&2 | |
95 | break | |
96 | elif [[ -f "${check_config_d}" ]] && [[ -r "${check_config_d}" ]]; then | |
97 | echo "# INFO: Using additional config file ${check_config_d}" | |
98 | . ${check_config_d} | |
99 | else | |
100 | _exiterr "Specified additional config ${check_config_d} is not readable or not a file at all." >&2 | |
101 | fi | |
102 | done | |
103 | fi | |
104 | ||
81882a64 LS |
105 | # Remove slash from end of BASEDIR. Mostly for cleaner outputs, doesn't change functionality. |
106 | BASEDIR="${BASEDIR%%/}" | |
401f5f75 | 107 | |
1e33cfe5 | 108 | # Check BASEDIR and set default variables |
f06f764f | 109 | [[ -d "${BASEDIR}" ]] || _exiterr "BASEDIR does not exist: ${BASEDIR}" |
ed27e013 | 110 | |
9baf3532 DB |
111 | [[ -z "${PRIVATE_KEY}" ]] && PRIVATE_KEY="${BASEDIR}/private_key.pem" |
112 | [[ -z "${WELLKNOWN}" ]] && WELLKNOWN="${BASEDIR}/.acme-challenges" | |
113 | [[ -z "${LOCKFILE}" ]] && LOCKFILE="${BASEDIR}/lock" | |
114 | ||
de173892 LS |
115 | [[ -n "${PARAM_HOOK:-}" ]] && HOOK="${PARAM_HOOK}" |
116 | [[ -n "${PARAM_CHALLENGETYPE:-}" ]] && CHALLENGETYPE="${PARAM_CHALLENGETYPE}" | |
c71ca3a8 | 117 | [[ -n "${PARAM_KEY_ALGO:-}" ]] && KEY_ALGO="${PARAM_KEY_ALGO}" |
e925b293 | 118 | |
de173892 | 119 | [[ "${CHALLENGETYPE}" =~ (http-01|dns-01) ]] || _exiterr "Unknown challenge type ${CHALLENGETYPE}... can not continue." |
e925b293 | 120 | if [[ "${CHALLENGETYPE}" = "dns-01" ]] && [[ -z "${HOOK}" ]]; then |
de173892 | 121 | _exiterr "Challenge type dns-01 needs a hook script for deployment... can not continue." |
e925b293 | 122 | fi |
c71ca3a8 | 123 | [[ "${KEY_ALGO}" =~ ^(rsa|prime256v1|secp384r1)$ ]] || _exiterr "Unknown public key algorithm ${KEY_ALGO}... can not continue." |
ff116396 LS |
124 | } |
125 | ||
93cd114f | 126 | # Initialize system |
ff116396 LS |
127 | init_system() { |
128 | load_config | |
81882a64 | 129 | |
1e33cfe5 | 130 | # Lockfile handling (prevents concurrent access) |
291b9f24 | 131 | LOCKDIR="$(dirname "${LOCKFILE}")" |
61ba0daf | 132 | [[ -w "${LOCKDIR}" ]] || _exiterr "Directory ${LOCKDIR} for LOCKFILE ${LOCKFILE} is not writable, aborting." |
93cd114f LS |
133 | ( set -C; date > "${LOCKFILE}" ) 2>/dev/null || _exiterr "Lock file '${LOCKFILE}' present, aborting." |
134 | remove_lock() { rm -f "${LOCKFILE}"; } | |
81882a64 LS |
135 | trap 'remove_lock' EXIT |
136 | ||
81882a64 | 137 | # Get CA URLs |
3a9e97f9 | 138 | CA_DIRECTORY="$(http_request get "${CA}")" |
81882a64 LS |
139 | CA_NEW_CERT="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value new-cert)" && |
140 | CA_NEW_AUTHZ="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value new-authz)" && | |
141 | CA_NEW_REG="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value new-reg)" && | |
10d9f342 | 142 | # shellcheck disable=SC2015 |
81882a64 | 143 | CA_REVOKE_CERT="$(printf "%s" "${CA_DIRECTORY}" | get_json_string_value revoke-cert)" || |
93cd114f | 144 | _exiterr "Problem retrieving ACME/CA-URLs, check if your configured CA points to the directory entrypoint." |
81882a64 | 145 | |
93cd114f LS |
146 | # Export some environment variables to be used in hook script |
147 | export WELLKNOWN BASEDIR CONFIG | |
0e92aba2 | 148 | |
93cd114f LS |
149 | # Checking for private key ... |
150 | register_new_key="no" | |
0e92aba2 MG |
151 | if [[ -n "${PARAM_PRIVATE_KEY:-}" ]]; then |
152 | # a private key was specified from the command line so use it for this run | |
10d9f342 | 153 | echo "Using private key ${PARAM_PRIVATE_KEY} instead of account key" |
0e92aba2 | 154 | PRIVATE_KEY="${PARAM_PRIVATE_KEY}" |
0e92aba2 MG |
155 | else |
156 | # Check if private account key exists, if it doesn't exist yet generate a new one (rsa key) | |
0e92aba2 | 157 | if [[ ! -e "${PRIVATE_KEY}" ]]; then |
81882a64 | 158 | echo "+ Generating account key..." |
0e92aba2 | 159 | _openssl genrsa -out "${PRIVATE_KEY}" "${KEYSIZE}" |
93cd114f | 160 | register_new_key="yes" |
81882a64 | 161 | fi |
81882a64 | 162 | fi |
93cd114f | 163 | openssl rsa -in "${PRIVATE_KEY}" -check 2>/dev/null > /dev/null || _exiterr "Private key is not valid, can not continue." |
1ab6a436 | 164 | |
81882a64 | 165 | # Get public components from private key and calculate thumbprint |
f70f3048 LS |
166 | pubExponent64="$(openssl rsa -in "${PRIVATE_KEY}" -noout -text | grep publicExponent | grep -oE "0x[a-f0-9]+" | cut -d'x' -f2 | hex2bin | urlbase64)" |
167 | pubMod64="$(openssl rsa -in "${PRIVATE_KEY}" -noout -modulus | cut -d'=' -f2 | hex2bin | urlbase64)" | |
81882a64 | 168 | |
21c18dd3 | 169 | thumbprint="$(printf '{"e":"%s","kty":"RSA","n":"%s"}' "${pubExponent64}" "${pubMod64}" | openssl dgst -sha256 -binary | urlbase64)" |
81882a64 LS |
170 | |
171 | # If we generated a new private key in the step above we have to register it with the acme-server | |
93cd114f | 172 | if [[ "${register_new_key}" = "yes" ]]; then |
81882a64 | 173 | echo "+ Registering account key with letsencrypt..." |
93cd114f LS |
174 | [[ ! -z "${CA_NEW_REG}" ]] || _exiterr "Certificate authority doesn't allow registrations." |
175 | # If an email for the contact has been provided then adding it to the registration request | |
81882a64 LS |
176 | if [[ -n "${CONTACT_EMAIL}" ]]; then |
177 | signed_request "${CA_NEW_REG}" '{"resource": "new-reg", "contact":["mailto:'"${CONTACT_EMAIL}"'"], "agreement": "'"$LICENSE"'"}' > /dev/null | |
178 | else | |
179 | signed_request "${CA_NEW_REG}" '{"resource": "new-reg", "agreement": "'"$LICENSE"'"}' > /dev/null | |
180 | fi | |
181 | fi | |
181dd0ff | 182 | |
d9de894c JTM |
183 | if [[ "${CHALLENGETYPE}" = "http-01" && ! -d "${WELLKNOWN}" ]]; then |
184 | _exiterr "WELLKNOWN directory doesn't exist, please create ${WELLKNOWN} and set appropriate permissions." | |
185 | fi | |
81882a64 | 186 | } |
c24843c6 | 187 | |
f7c7d8c5 LS |
188 | # Different sed version for different os types... |
189 | _sed() { | |
c3c9ff4c | 190 | if [[ "${OSTYPE}" = "Linux" ]]; then |
f7c7d8c5 LS |
191 | sed -r "${@}" |
192 | else | |
193 | sed -E "${@}" | |
194 | fi | |
195 | } | |
196 | ||
9f66bfdb LS |
197 | # Print error message and exit with error |
198 | _exiterr() { | |
199 | echo "ERROR: ${1}" >&2 | |
200 | exit 1 | |
201 | } | |
202 | ||
994803bf | 203 | # Encode data as url-safe formatted base64 |
61f0b7ed | 204 | urlbase64() { |
c6e60302 | 205 | # urlbase64: base64 encoded string with '+' replaced with '-' and '/' replaced with '_' |
f7c7d8c5 | 206 | openssl base64 -e | tr -d '\n\r' | _sed -e 's:=*$::g' -e 'y:+/:-_:' |
61f0b7ed | 207 | } |
91ce50af | 208 | |
16bef17e | 209 | # Convert hex string to binary data |
9fe313d8 | 210 | hex2bin() { |
16bef17e | 211 | # Remove spaces, add leading zero, escape as hex string and parse with printf |
f7c7d8c5 | 212 | printf -- "$(cat | _sed -e 's/[[:space:]]//g' -e 's/^(.(.{2})*)$/0\1/' -e 's/(.{2})/\\x\1/g')" |
9fe313d8 | 213 | } |
61f0b7ed | 214 | |
bc580335 | 215 | # Get string value from json dictionary |
09729186 | 216 | get_json_string_value() { |
760b6894 | 217 | grep -Eo '"'"${1}"'":[[:space:]]*"[^"]*"' | cut -d'"' -f4 |
09729186 LS |
218 | } |
219 | ||
cc605a22 LS |
220 | # OpenSSL writes to stderr/stdout even when there are no errors. So just |
221 | # display the output if the exit code was != 0 to simplify debugging. | |
222 | _openssl() { | |
223 | set +e | |
224 | out="$(openssl "${@}" 2>&1)" | |
225 | res=$? | |
226 | set -e | |
39c01fd7 LS |
227 | if [[ ${res} -ne 0 ]]; then |
228 | echo " + ERROR: failed to run $* (Exitcode: ${res})" >&2 | |
cc605a22 LS |
229 | echo >&2 |
230 | echo "Details:" >&2 | |
39c01fd7 | 231 | echo "${out}" >&2 |
676d15c5 | 232 | echo >&2 |
39c01fd7 | 233 | exit ${res} |
cc605a22 LS |
234 | fi |
235 | } | |
236 | ||
59f16407 | 237 | # Send http(s) request with specified method |
3a9e97f9 | 238 | http_request() { |
d6ce8823 | 239 | tempcont="$(mktemp -t XXXXXX)" |
3cb292cb | 240 | |
1233dc95 | 241 | set +e |
dd5f36e5 | 242 | if [[ "${1}" = "head" ]]; then |
3cb292cb | 243 | statuscode="$(curl -s -w "%{http_code}" -o "${tempcont}" "${2}" -I)" |
1233dc95 | 244 | curlret="${?}" |
dd5f36e5 | 245 | elif [[ "${1}" = "get" ]]; then |
3cb292cb | 246 | statuscode="$(curl -s -w "%{http_code}" -o "${tempcont}" "${2}")" |
1233dc95 | 247 | curlret="${?}" |
dd5f36e5 | 248 | elif [[ "${1}" = "post" ]]; then |
3cb292cb | 249 | statuscode="$(curl -s -w "%{http_code}" -o "${tempcont}" "${2}" -d "${3}")" |
1233dc95 | 250 | curlret="${?}" |
59f16407 | 251 | else |
1233dc95 | 252 | set -e |
59f16407 | 253 | _exiterr "Unknown request method: ${1}" |
91ce50af | 254 | fi |
1233dc95 LS |
255 | set -e |
256 | ||
257 | if [[ ! "${curlret}" = "0" ]]; then | |
258 | _exiterr "Problem connecting to server (curl returned with ${curlret})" | |
259 | fi | |
dd5f36e5 | 260 | |
3cb292cb | 261 | if [[ ! "${statuscode:0:1}" = "2" ]]; then |
84fac541 | 262 | echo " + ERROR: An error occurred while sending ${1}-request to ${2} (Status ${statuscode})" >&2 |
3cb292cb LS |
263 | echo >&2 |
264 | echo "Details:" >&2 | |
9e79c066 | 265 | cat "${tempcont}" >&2 |
3cb292cb | 266 | rm -f "${tempcont}" |
c24843c6 | 267 | |
268 | # Wait for hook script to clean the challenge if used | |
676d15c5 | 269 | if [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" != "yes" ]] && [[ -n "${challenge_token:+set}" ]]; then |
2099c77f | 270 | "${HOOK}" "clean_challenge" '' "${challenge_token}" "${keyauth}" |
c24843c6 | 271 | fi |
272 | ||
8f6c2328 | 273 | # remove temporary domains.txt file if used |
79ff846e | 274 | [[ -n "${PARAM_DOMAIN:-}" && -n "${DOMAINS_TXT:-}" ]] && rm "${DOMAINS_TXT}" |
dd5f36e5 | 275 | exit 1 |
130ea6ab | 276 | fi |
dd5f36e5 | 277 | |
31111265 | 278 | cat "${tempcont}" |
3cb292cb | 279 | rm -f "${tempcont}" |
91ce50af | 280 | } |
81882a64 | 281 | |
1446fd88 | 282 | # Send signed request |
61f0b7ed | 283 | signed_request() { |
c6e60302 | 284 | # Encode payload as urlbase64 |
4aa48d33 | 285 | payload64="$(printf '%s' "${2}" | urlbase64)" |
61f0b7ed | 286 | |
c6e60302 | 287 | # Retrieve nonce from acme-server |
994803bf | 288 | nonce="$(http_request head "${CA}" | grep Replay-Nonce: | awk -F ': ' '{print $2}' | tr -d '\n\r')" |
61f0b7ed | 289 | |
c6e60302 | 290 | # Build header with just our public key and algorithm information |
61f0b7ed LS |
291 | header='{"alg": "RS256", "jwk": {"e": "'"${pubExponent64}"'", "kty": "RSA", "n": "'"${pubMod64}"'"}}' |
292 | ||
c6e60302 | 293 | # Build another header which also contains the previously received nonce and encode it as urlbase64 |
61f0b7ed | 294 | protected='{"alg": "RS256", "jwk": {"e": "'"${pubExponent64}"'", "kty": "RSA", "n": "'"${pubMod64}"'"}, "nonce": "'"${nonce}"'"}' |
4aa48d33 | 295 | protected64="$(printf '%s' "${protected}" | urlbase64)" |
61f0b7ed | 296 | |
c6e60302 | 297 | # Sign header with nonce and our payload with our private key and encode signature as urlbase64 |
0e92aba2 | 298 | signed64="$(printf '%s' "${protected64}.${payload64}" | openssl dgst -sha256 -sign "${PRIVATE_KEY}" | urlbase64)" |
61f0b7ed | 299 | |
c6e60302 | 300 | # Send header + extended header + payload + signature to the acme-server |
61f0b7ed LS |
301 | data='{"header": '"${header}"', "protected": "'"${protected64}"'", "payload": "'"${payload64}"'", "signature": "'"${signed64}"'"}' |
302 | ||
3a9e97f9 | 303 | http_request post "${1}" "${data}" |
61f0b7ed LS |
304 | } |
305 | ||
a62968c9 NL |
306 | # Extracts all subject names from a CSR |
307 | # Outputs either the CN, or the SANs, one per line | |
308 | extract_altnames() { | |
309 | csr="${1}" # the CSR itself (not a file) | |
81882a64 | 310 | |
a62968c9 NL |
311 | if ! <<<"${csr}" openssl req -verify -noout 2>/dev/null; then |
312 | _exiterr "Certificate signing request isn't valid" | |
09729186 | 313 | fi |
3cc587c2 | 314 | |
a62968c9 | 315 | reqtext="$( <<<"${csr}" openssl req -noout -text )" |
39c01fd7 | 316 | if <<<"${reqtext}" grep -q '^[[:space:]]*X509v3 Subject Alternative Name:[[:space:]]*$'; then |
a62968c9 NL |
317 | # SANs used, extract these |
318 | altnames="$( <<<"${reqtext}" grep -A1 '^[[:space:]]*X509v3 Subject Alternative Name:[[:space:]]*$' | tail -n1 )" | |
319 | # split to one per line: | |
34f94322 | 320 | altnames="$( <<<"${altnames}" _sed -e 's/^[[:space:]]*//; s/, /\'$'\n''/g' )" |
a62968c9 NL |
321 | # we can only get DNS: ones signed |
322 | if [ -n "$( <<<"${altnames}" grep -v '^DNS:' )" ]; then | |
323 | _exiterr "Certificate signing request contains non-DNS Subject Alternative Names" | |
324 | fi | |
325 | # strip away the DNS: prefix | |
326 | altnames="$( <<<"${altnames}" _sed -e 's/^DNS://' )" | |
39c01fd7 | 327 | echo "${altnames}" |
a62968c9 NL |
328 | |
329 | else | |
330 | # No SANs, extract CN | |
331 | altnames="$( <<<"${reqtext}" grep '^[[:space:]]*Subject:' | _sed -e 's/.* CN=([^ /,]*).*/\1/' )" | |
39c01fd7 | 332 | echo "${altnames}" |
3dbbb461 | 333 | fi |
a62968c9 | 334 | } |
3dbbb461 | 335 | |
50e7a072 NL |
336 | # Create certificate for domain(s) and outputs it FD 3 |
337 | sign_csr() { | |
338 | csr="${1}" # the CSR itself (not a file) | |
81882a64 | 339 | |
50e7a072 NL |
340 | if { true >&3; } 2>/dev/null; then |
341 | : # fd 3 looks OK | |
342 | else | |
343 | _exiterr "sign_csr: FD 3 not open" | |
61f0b7ed LS |
344 | fi |
345 | ||
50e7a072 NL |
346 | shift 1 || true |
347 | altnames="${*:-}" | |
39c01fd7 LS |
348 | if [ -z "${altnames}" ]; then |
349 | altnames="$( extract_altnames "${csr}" )" | |
a62968c9 | 350 | fi |
3dbbb461 | 351 | |
50e7a072 NL |
352 | if [[ -z "${CA_NEW_AUTHZ}" ]] || [[ -z "${CA_NEW_CERT}" ]]; then |
353 | _exiterr "Certificate authority doesn't allow certificate signing" | |
61f0b7ed | 354 | fi |
c6e60302 | 355 | |
6e048f7f | 356 | local idx=0 |
da2eeda9 LS |
357 | if [[ -n "${ZSH_VERSION:-}" ]]; then |
358 | local -A challenge_uris challenge_tokens keyauths deploy_args | |
359 | else | |
360 | local -a challenge_uris challenge_tokens keyauths deploy_args | |
361 | fi | |
39c01fd7 | 362 | |
6e048f7f | 363 | # Request challenges |
1446fd88 | 364 | for altname in ${altnames}; do |
c6e60302 | 365 | # Ask the acme-server for new challenge token and extract them from the resulting json block |
579e2316 | 366 | echo " + Requesting challenge for ${altname}..." |
09729186 | 367 | response="$(signed_request "${CA_NEW_AUTHZ}" '{"resource": "new-authz", "identifier": {"type": "dns", "value": "'"${altname}"'"}}')" |
61f0b7ed | 368 | |
1446fd88 | 369 | challenges="$(printf '%s\n' "${response}" | grep -Eo '"challenges":[^\[]*\[[^]]*]')" |
526843d6 | 370 | repl=$'\n''{' # fix syntax highlighting in Vim |
e925b293 | 371 | challenge="$(printf "%s" "${challenges//\{/${repl}}" | grep \""${CHALLENGETYPE}"\")" |
f7c7d8c5 | 372 | challenge_token="$(printf '%s' "${challenge}" | get_json_string_value token | _sed 's/[^A-Za-z0-9_\-]/_/g')" |
09729186 | 373 | challenge_uri="$(printf '%s' "${challenge}" | get_json_string_value uri)" |
61f0b7ed | 374 | |
dd5f36e5 | 375 | if [[ -z "${challenge_token}" ]] || [[ -z "${challenge_uri}" ]]; then |
1446fd88 | 376 | _exiterr "Can't retrieve challenges (${response})" |
abb95693 LS |
377 | fi |
378 | ||
c6e60302 | 379 | # Challenge response consists of the challenge token and the thumbprint of our public certificate |
61f0b7ed LS |
380 | keyauth="${challenge_token}.${thumbprint}" |
381 | ||
de173892 LS |
382 | case "${CHALLENGETYPE}" in |
383 | "http-01") | |
384 | # Store challenge response in well-known location and make world-readable (so that a webserver can access it) | |
385 | printf '%s' "${keyauth}" > "${WELLKNOWN}/${challenge_token}" | |
386 | chmod a+r "${WELLKNOWN}/${challenge_token}" | |
387 | keyauth_hook="${keyauth}" | |
388 | ;; | |
389 | "dns-01") | |
390 | # Generate DNS entry content for dns-01 validation | |
21c18dd3 | 391 | keyauth_hook="$(printf '%s' "${keyauth}" | openssl dgst -sha256 -binary | urlbase64)" |
de173892 LS |
392 | ;; |
393 | esac | |
61f0b7ed | 394 | |
39c01fd7 LS |
395 | challenge_uris[${idx}]="${challenge_uri}" |
396 | keyauths[${idx}]="${keyauth}" | |
397 | challenge_tokens[${idx}]="${challenge_token}" | |
6e048f7f | 398 | # Note: assumes args will never have spaces! |
39c01fd7 | 399 | deploy_args[${idx}]="${altname} ${challenge_token} ${keyauth_hook}" |
6e048f7f GD |
400 | idx=$((idx+1)) |
401 | done | |
402 | ||
403 | # Wait for hook script to deploy the challenges if used | |
2099c77f | 404 | [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" = "yes" ]] && "${HOOK}" "deploy_challenge" ${deploy_args[@]} |
6e048f7f GD |
405 | |
406 | # Respond to challenges | |
407 | idx=0 | |
408 | for altname in ${altnames}; do | |
39c01fd7 LS |
409 | challenge_token="${challenge_tokens[${idx}]}" |
410 | keyauth="${keyauths[${idx}]}" | |
6e048f7f | 411 | |
b33f1288 | 412 | # Wait for hook script to deploy the challenge if used |
2099c77f | 413 | [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" != "yes" ]] && "${HOOK}" "deploy_challenge" ${deploy_args[${idx}]} |
b33f1288 | 414 | |
1446fd88 | 415 | # Ask the acme-server to verify our challenge and wait until it is no longer pending |
579e2316 | 416 | echo " + Responding to challenge for ${altname}..." |
39c01fd7 | 417 | result="$(signed_request "${challenge_uris[${idx}]}" '{"resource": "challenge", "keyAuthorization": "'"${keyauth}"'"}')" |
61f0b7ed | 418 | |
da2eeda9 | 419 | reqstatus="$(printf '%s\n' "${result}" | get_json_string_value status)" |
61f0b7ed | 420 | |
da2eeda9 | 421 | while [[ "${reqstatus}" = "pending" ]]; do |
c6e60302 | 422 | sleep 1 |
39c01fd7 | 423 | result="$(http_request get "${challenge_uris[${idx}]}")" |
da2eeda9 | 424 | reqstatus="$(printf '%s\n' "${result}" | get_json_string_value status)" |
61f0b7ed LS |
425 | done |
426 | ||
de173892 | 427 | [[ "${CHALLENGETYPE}" = "http-01" ]] && rm -f "${WELLKNOWN}/${challenge_token}" |
81882a64 | 428 | |
ab301951 | 429 | # Wait for hook script to clean the challenge if used |
6e048f7f | 430 | if [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" != "yes" ]] && [[ -n "${challenge_token}" ]]; then |
2099c77f | 431 | "${HOOK}" "clean_challenge" ${deploy_args[${idx}]} |
ab301951 | 432 | fi |
6e048f7f | 433 | idx=$((idx+1)) |
81882a64 | 434 | |
da2eeda9 | 435 | if [[ "${reqstatus}" = "valid" ]]; then |
579e2316 | 436 | echo " + Challenge is valid!" |
76a37834 | 437 | else |
6e048f7f | 438 | break |
76a37834 | 439 | fi |
61f0b7ed LS |
440 | done |
441 | ||
6e048f7f | 442 | # Wait for hook script to clean the challenges if used |
75be937a | 443 | [[ -n "${HOOK}" ]] && [[ "${HOOK_CHAIN}" = "yes" ]] && "${HOOK}" "clean_challenge" ${deploy_args[@]} |
6e048f7f | 444 | |
da2eeda9 | 445 | if [[ "${reqstatus}" != "valid" ]]; then |
6e048f7f GD |
446 | # Clean up any remaining challenge_tokens if we stopped early |
447 | if [[ "${CHALLENGETYPE}" = "http-01" ]]; then | |
39c01fd7 LS |
448 | while [ ${idx} -lt ${#challenge_tokens[@]} ]; do |
449 | rm -f "${WELLKNOWN}/${challenge_tokens[${idx}]}" | |
6e048f7f GD |
450 | idx=$((idx+1)) |
451 | done | |
452 | fi | |
453 | ||
da2eeda9 | 454 | _exiterr "Challenge is invalid! (returned: ${reqstatus}) (result: ${result})" |
6e048f7f GD |
455 | fi |
456 | ||
b7439a83 | 457 | # Finally request certificate from the acme-server and store it in cert-${timestamp}.pem and link from cert.pem |
579e2316 | 458 | echo " + Requesting certificate..." |
50e7a072 | 459 | csr64="$( <<<"${csr}" openssl req -outform DER | urlbase64)" |
09729186 | 460 | crt64="$(signed_request "${CA_NEW_CERT}" '{"resource": "new-cert", "csr": "'"${csr64}"'"}' | openssl base64 -e)" |
50e7a072 | 461 | crt="$( printf -- '-----BEGIN CERTIFICATE-----\n%s\n-----END CERTIFICATE-----\n' "${crt64}" )" |
1446fd88 LS |
462 | |
463 | # Try to load the certificate to detect corruption | |
a4e7c43a | 464 | echo " + Checking certificate..." |
50e7a072 NL |
465 | _openssl x509 -text <<<"${crt}" |
466 | ||
467 | echo "${crt}" >&3 | |
468 | ||
469 | unset challenge_token | |
470 | echo " + Done!" | |
471 | } | |
472 | ||
473 | # Create certificate for domain(s) | |
474 | sign_domain() { | |
475 | domain="${1}" | |
476 | altnames="${*}" | |
477 | timestamp="$(date +%s)" | |
478 | ||
479 | echo " + Signing domains..." | |
480 | if [[ -z "${CA_NEW_AUTHZ}" ]] || [[ -z "${CA_NEW_CERT}" ]]; then | |
481 | _exiterr "Certificate authority doesn't allow certificate signing" | |
482 | fi | |
483 | ||
484 | # If there is no existing certificate directory => make it | |
485 | if [[ ! -e "${BASEDIR}/certs/${domain}" ]]; then | |
486 | echo " + Creating new directory ${BASEDIR}/certs/${domain} ..." | |
487 | mkdir -p "${BASEDIR}/certs/${domain}" | |
488 | fi | |
489 | ||
490 | privkey="privkey.pem" | |
491 | # generate a new private key if we need or want one | |
5c189483 | 492 | if [[ ! -r "${BASEDIR}/certs/${domain}/privkey.pem" ]] || [[ "${PRIVATE_KEY_RENEW}" = "yes" ]]; then |
50e7a072 NL |
493 | echo " + Generating private key..." |
494 | privkey="privkey-${timestamp}.pem" | |
495 | case "${KEY_ALGO}" in | |
496 | rsa) _openssl genrsa -out "${BASEDIR}/certs/${domain}/privkey-${timestamp}.pem" "${KEYSIZE}";; | |
497 | prime256v1|secp384r1) _openssl ecparam -genkey -name "${KEY_ALGO}" -out "${BASEDIR}/certs/${domain}/privkey-${timestamp}.pem";; | |
498 | esac | |
499 | fi | |
500 | ||
501 | # Generate signing request config and the actual signing request | |
502 | echo " + Generating signing request..." | |
503 | SAN="" | |
504 | for altname in ${altnames}; do | |
505 | SAN+="DNS:${altname}, " | |
506 | done | |
507 | SAN="${SAN%%, }" | |
508 | local tmp_openssl_cnf | |
509 | tmp_openssl_cnf="$(mktemp -t XXXXXX)" | |
510 | cat "${OPENSSL_CNF}" > "${tmp_openssl_cnf}" | |
511 | printf "[SAN]\nsubjectAltName=%s" "${SAN}" >> "${tmp_openssl_cnf}" | |
512 | openssl req -new -sha256 -key "${BASEDIR}/certs/${domain}/${privkey}" -out "${BASEDIR}/certs/${domain}/cert-${timestamp}.csr" -subj "/CN=${domain}/" -reqexts SAN -config "${tmp_openssl_cnf}" | |
513 | rm -f "${tmp_openssl_cnf}" | |
514 | ||
515 | crt_path="${BASEDIR}/certs/${domain}/cert-${timestamp}.pem" | |
516 | sign_csr "$(< "${BASEDIR}/certs/${domain}/cert-${timestamp}.csr" )" ${altnames} 3>"${crt_path}" | |
329acb58 LS |
517 | |
518 | # Create fullchain.pem | |
1eb6f6d2 LS |
519 | echo " + Creating fullchain.pem..." |
520 | cat "${crt_path}" > "${BASEDIR}/certs/${domain}/fullchain-${timestamp}.pem" | |
3a9e97f9 | 521 | http_request get "$(openssl x509 -in "${BASEDIR}/certs/${domain}/cert-${timestamp}.pem" -noout -text | grep 'CA Issuers - URI:' | cut -d':' -f2-)" > "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem" |
1446fd88 | 522 | if ! grep -q "BEGIN CERTIFICATE" "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem"; then |
a733f789 LS |
523 | openssl x509 -in "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem" -inform DER -out "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem" -outform PEM |
524 | fi | |
a733f789 | 525 | cat "${BASEDIR}/certs/${domain}/chain-${timestamp}.pem" >> "${BASEDIR}/certs/${domain}/fullchain-${timestamp}.pem" |
329acb58 | 526 | |
1446fd88 LS |
527 | # Update symlinks |
528 | [[ "${privkey}" = "privkey.pem" ]] || ln -sf "privkey-${timestamp}.pem" "${BASEDIR}/certs/${domain}/privkey.pem" | |
f343dc11 | 529 | |
1446fd88 LS |
530 | ln -sf "chain-${timestamp}.pem" "${BASEDIR}/certs/${domain}/chain.pem" |
531 | ln -sf "fullchain-${timestamp}.pem" "${BASEDIR}/certs/${domain}/fullchain.pem" | |
3f6ff8f7 SR |
532 | ln -sf "cert-${timestamp}.csr" "${BASEDIR}/certs/${domain}/cert.csr" |
533 | ln -sf "cert-${timestamp}.pem" "${BASEDIR}/certs/${domain}/cert.pem" | |
f343dc11 | 534 | |
c24843c6 | 535 | # Wait for hook script to clean the challenge and to deploy cert if used |
2099c77f | 536 | [[ -n "${HOOK}" ]] && "${HOOK}" "deploy_cert" "${domain}" "${BASEDIR}/certs/${domain}/privkey.pem" "${BASEDIR}/certs/${domain}/cert.pem" "${BASEDIR}/certs/${domain}/fullchain.pem" "${BASEDIR}/certs/${domain}/chain.pem" |
c24843c6 | 537 | |
538 | unset challenge_token | |
579e2316 | 539 | echo " + Done!" |
61f0b7ed LS |
540 | } |
541 | ||
0a859a19 | 542 | # Usage: --cron (-c) |
083c6736 | 543 | # Description: Sign/renew non-existant/changed/expiring certificates. |
8f6c2328 | 544 | command_sign_domains() { |
9f66bfdb LS |
545 | init_system |
546 | ||
8f6c2328 | 547 | if [[ -n "${PARAM_DOMAIN:-}" ]]; then |
d6ce8823 | 548 | DOMAINS_TXT="$(mktemp -t XXXXXX)" |
93cd114f LS |
549 | printf -- "${PARAM_DOMAIN}" > "${DOMAINS_TXT}" |
550 | elif [[ -e "${BASEDIR}/domains.txt" ]]; then | |
551 | DOMAINS_TXT="${BASEDIR}/domains.txt" | |
552 | else | |
553 | _exiterr "domains.txt not found and --domain not given" | |
8f6c2328 | 554 | fi |
93cd114f | 555 | |
81882a64 | 556 | # Generate certificates for all domains found in domains.txt. Check if existing certificate are about to expire |
2099c77f LS |
557 | ORIGIFS="${IFS}" |
558 | IFS=$'\n' | |
559 | for line in $(cat "${DOMAINS_TXT}" | tr -d '\r' | _sed -e 's/^[[:space:]]*//g' -e 's/[[:space:]]*$//g' -e 's/[[:space:]]+/ /g' | (grep -vE '^(#|$)' || true)); do | |
560 | IFS="${ORIGIFS}" | |
81882a64 | 561 | domain="$(printf '%s\n' "${line}" | cut -d' ' -f1)" |
8f6c2328 | 562 | morenames="$(printf '%s\n' "${line}" | cut -s -d' ' -f2-)" |
81882a64 | 563 | cert="${BASEDIR}/certs/${domain}/cert.pem" |
f9126627 | 564 | |
2d097c92 MG |
565 | force_renew="${PARAM_FORCE:-no}" |
566 | ||
8f6c2328 MG |
567 | if [[ -z "${morenames}" ]];then |
568 | echo "Processing ${domain}" | |
569 | else | |
93cd114f | 570 | echo "Processing ${domain} with alternative names: ${morenames}" |
8f6c2328 MG |
571 | fi |
572 | ||
81882a64 | 573 | if [[ -e "${cert}" ]]; then |
93cd114f | 574 | printf " + Checking domain name(s) of existing cert..." |
2d097c92 | 575 | |
f7c7d8c5 LS |
576 | certnames="$(openssl x509 -in "${cert}" -text -noout | grep DNS: | _sed 's/DNS://g' | tr -d ' ' | tr ',' '\n' | sort -u | tr '\n' ' ' | _sed 's/ $//')" |
577 | givennames="$(echo "${domain}" "${morenames}"| tr ' ' '\n' | sort -u | tr '\n' ' ' | _sed 's/ $//' | _sed 's/^ //')" | |
2d097c92 MG |
578 | |
579 | if [[ "${certnames}" = "${givennames}" ]]; then | |
580 | echo " unchanged." | |
581 | else | |
582 | echo " changed!" | |
583 | echo " + Domain name(s) are not matching!" | |
584 | echo " + Names in old certificate: ${certnames}" | |
585 | echo " + Configured names: ${givennames}" | |
586 | echo " + Forcing renew." | |
587 | force_renew="yes" | |
588 | fi | |
589 | fi | |
590 | ||
591 | if [[ -e "${cert}" ]]; then | |
592 | echo " + Checking expire date of existing cert..." | |
81882a64 | 593 | valid="$(openssl x509 -enddate -noout -in "${cert}" | cut -d= -f2- )" |
8221727a | 594 | |
93cd114f | 595 | printf " + Valid till %s " "${valid}" |
81882a64 | 596 | if openssl x509 -checkend $((RENEW_DAYS * 86400)) -noout -in "${cert}"; then |
93cd114f | 597 | printf "(Longer than %d days). " "${RENEW_DAYS}" |
2d097c92 MG |
598 | if [[ "${force_renew}" = "yes" ]]; then |
599 | echo "Ignoring because renew was forced!" | |
8f6c2328 | 600 | else |
705fb54e | 601 | # Certificate-Names unchanged and cert is still valid |
602 | echo "Skipping renew! Calling unchanged-hook." | |
603 | [[ -n "${HOOK}" ]] && "${HOOK}" "unchanged_cert" "${domain}" "${BASEDIR}/certs/${domain}/privkey.pem" "${BASEDIR}/certs/${domain}/cert.pem" "${BASEDIR}/certs/${domain}/fullchain.pem" "${BASEDIR}/certs/${domain}/chain.pem" | |
8f6c2328 MG |
604 | continue |
605 | fi | |
606 | else | |
607 | echo "(Less than ${RENEW_DAYS} days). Renewing!" | |
81882a64 | 608 | fi |
81882a64 | 609 | fi |
8221727a | 610 | |
81882a64 | 611 | # shellcheck disable=SC2086 |
93cd114f | 612 | sign_domain ${line} |
a7934fe7 | 613 | done |
f13eaa7f | 614 | |
8f6c2328 | 615 | # remove temporary domains.txt file if used |
93cd114f LS |
616 | [[ -n "${PARAM_DOMAIN:-}" ]] && rm -f "${DOMAINS_TXT}" |
617 | ||
618 | exit 0 | |
81882a64 | 619 | } |
3390080c | 620 | |
429ec400 NL |
621 | # Usage: --signcsr (-s) path/to/csr.pem |
622 | # Description: Sign a given CSR, output CRT on stdout (advanced usage) | |
623 | command_sign_csr() { | |
624 | # redirect stdout to stderr | |
625 | # leave stdout over at fd 3 to output the cert | |
626 | exec 3>&1 1>&2 | |
627 | ||
628 | init_system | |
629 | ||
630 | csrfile="${1}" | |
631 | if [ ! -r "${csrfile}" ]; then | |
632 | _exiterr "Could not read certificate signing request ${csrfile}" | |
633 | fi | |
634 | ||
635 | sign_csr "$(< "${csrfile}" )" | |
636 | ||
637 | exit 0 | |
638 | } | |
639 | ||
0a859a19 LS |
640 | # Usage: --revoke (-r) path/to/cert.pem |
641 | # Description: Revoke specified certificate | |
81882a64 | 642 | command_revoke() { |
9f66bfdb LS |
643 | init_system |
644 | ||
3dcfa8b4 LS |
645 | [[ -n "${CA_REVOKE_CERT}" ]] || _exiterr "Certificate authority doesn't allow certificate revocation." |
646 | ||
81882a64 | 647 | cert="${1}" |
c7018036 MG |
648 | if [[ -L "${cert}" ]]; then |
649 | # follow symlink and use real certificate name (so we move the real file and not the symlink at the end) | |
3bc1cf91 LS |
650 | local link_target |
651 | link_target="$(readlink -n "${cert}")" | |
652 | if [[ "${link_target}" =~ ^/ ]]; then | |
c7018036 MG |
653 | cert="${link_target}" |
654 | else | |
655 | cert="$(dirname "${cert}")/${link_target}" | |
656 | fi | |
657 | fi | |
3dcfa8b4 LS |
658 | [[ -f "${cert}" ]] || _exiterr "Could not find certificate ${cert}" |
659 | ||
81882a64 | 660 | echo "Revoking ${cert}" |
3dcfa8b4 | 661 | |
81882a64 LS |
662 | cert64="$(openssl x509 -in "${cert}" -inform PEM -outform DER | urlbase64)" |
663 | response="$(signed_request "${CA_REVOKE_CERT}" '{"resource": "revoke-cert", "certificate": "'"${cert64}"'"}')" | |
3dcfa8b4 | 664 | # if there is a problem with our revoke request _request (via signed_request) will report this and "exit 1" out |
81882a64 | 665 | # so if we are here, it is safe to assume the request was successful |
3dcfa8b4 LS |
666 | echo " + Done." |
667 | echo " + Renaming certificate to ${cert}-revoked" | |
81882a64 LS |
668 | mv -f "${cert}" "${cert}-revoked" |
669 | } | |
c24843c6 | 670 | |
e60682c0 LS |
671 | # Usage: --cleanup (-gc) |
672 | # Description: Move unused certificate files to archive directory | |
673 | command_cleanup() { | |
dec95fff LS |
674 | load_config |
675 | ||
e60682c0 LS |
676 | # Create global archive directory if not existant |
677 | if [[ ! -e "${BASEDIR}/archive" ]]; then | |
678 | mkdir "${BASEDIR}/archive" | |
679 | fi | |
680 | ||
681 | # Loop over all certificate directories | |
682 | for certdir in "${BASEDIR}/certs/"*; do | |
f9430025 JB |
683 | # Skip if entry is not a folder |
684 | [[ -d "${certdir}" ]] || continue | |
685 | ||
e60682c0 LS |
686 | # Get certificate name |
687 | certname="$(basename "${certdir}")" | |
688 | ||
689 | # Create certitifaces archive directory if not existant | |
690 | archivedir="${BASEDIR}/archive/${certname}" | |
691 | if [[ ! -e "${archivedir}" ]]; then | |
692 | mkdir "${archivedir}" | |
693 | fi | |
694 | ||
695 | # Loop over file-types (certificates, keys, signing-requests, ...) | |
696 | for filetype in cert.csr cert.pem chain.pem fullchain.pem privkey.pem; do | |
697 | # Skip if symlink is broken | |
698 | [[ -r "${certdir}/${filetype}" ]] || continue | |
699 | ||
700 | # Look up current file in use | |
701 | current="$(basename $(readlink "${certdir}/${filetype}"))" | |
702 | ||
703 | # Split filetype into name and extension | |
704 | filebase="$(echo "${filetype}" | cut -d. -f1)" | |
705 | fileext="$(echo "${filetype}" | cut -d. -f2)" | |
706 | ||
707 | # Loop over all files of this type | |
708 | for file in "${certdir}/${filebase}-"*".${fileext}"; do | |
ac2d8303 JB |
709 | # Handle case where no files match the wildcard |
710 | [[ -f "${file}" ]] || break | |
711 | ||
e60682c0 LS |
712 | # Check if current file is in use, if unused move to archive directory |
713 | filename="$(basename "${file}")" | |
714 | if [[ ! "${filename}" = "${current}" ]]; then | |
715 | echo "Moving unused file to archive directory: ${certname}/$filename" | |
716 | mv "${certdir}/${filename}" "${archivedir}/${filename}" | |
717 | fi | |
718 | done | |
719 | done | |
720 | done | |
721 | ||
722 | exit 0 | |
723 | } | |
724 | ||
0a859a19 LS |
725 | # Usage: --help (-h) |
726 | # Description: Show help text | |
81882a64 | 727 | command_help() { |
7727f5ea LS |
728 | printf "Usage: %s [-h] [command [argument]] [parameter [argument]] [parameter [argument]] ...\n\n" "${0}" |
729 | printf "Default command: help\n\n" | |
0a859a19 | 730 | echo "Commands:" |
760b6894 | 731 | grep -e '^[[:space:]]*# Usage:' -e '^[[:space:]]*# Description:' -e '^command_.*()[[:space:]]*{' "${0}" | while read -r usage; read -r description; read -r command; do |
31111265 | 732 | if [[ ! "${usage}" =~ Usage ]] || [[ ! "${description}" =~ Description ]] || [[ ! "${command}" =~ ^command_ ]]; then |
7727f5ea | 733 | _exiterr "Error generating help text." |
0a859a19 | 734 | fi |
7727f5ea | 735 | printf " %-32s %s\n" "${usage##"# Usage: "}" "${description##"# Description: "}" |
0a859a19 | 736 | done |
7727f5ea | 737 | printf -- "\nParameters:\n" |
760b6894 | 738 | grep -E -e '^[[:space:]]*# PARAM_Usage:' -e '^[[:space:]]*# PARAM_Description:' "${0}" | while read -r usage; read -r description; do |
31111265 | 739 | if [[ ! "${usage}" =~ Usage ]] || [[ ! "${description}" =~ Description ]]; then |
7727f5ea | 740 | _exiterr "Error generating help text." |
0a859a19 | 741 | fi |
7727f5ea | 742 | printf " %-32s %s\n" "${usage##"# PARAM_Usage: "}" "${description##"# PARAM_Description: "}" |
0a859a19 | 743 | done |
81882a64 | 744 | } |
063d28a6 | 745 | |
1ab6a436 LS |
746 | # Usage: --env (-e) |
747 | # Description: Output configuration variables for use in other scripts | |
748 | command_env() { | |
749 | echo "# letsencrypt.sh configuration" | |
9f66bfdb | 750 | load_config |
6e048f7f | 751 | typeset -p CA LICENSE CHALLENGETYPE HOOK HOOK_CHAIN RENEW_DAYS PRIVATE_KEY KEYSIZE WELLKNOWN PRIVATE_KEY_RENEW OPENSSL_CNF CONTACT_EMAIL LOCKFILE |
1ab6a436 LS |
752 | } |
753 | ||
bc580335 | 754 | # Main method (parses script arguments and calls command_* methods) |
9f66bfdb LS |
755 | main() { |
756 | COMMAND="" | |
757 | set_command() { | |
758 | [[ -z "${COMMAND}" ]] || _exiterr "Only one command can be executed at a time. See help (-h) for more information." | |
759 | COMMAND="${1}" | |
760 | } | |
761 | ||
762 | check_parameters() { | |
763 | if [[ -z "${1:-}" ]]; then | |
764 | echo "The specified command requires additional parameters. See help:" >&2 | |
31111265 LS |
765 | echo >&2 |
766 | command_help >&2 | |
81882a64 | 767 | exit 1 |
9f66bfdb LS |
768 | elif [[ "${1:0:1}" = "-" ]]; then |
769 | _exiterr "Invalid argument: ${1}" | |
770 | fi | |
771 | } | |
579e2316 | 772 | |
2a7b4882 | 773 | [[ -z "${@}" ]] && eval set -- "--help" |
fb0242a4 | 774 | |
da2eeda9 | 775 | while (( ${#} )); do |
9f66bfdb LS |
776 | case "${1}" in |
777 | --help|-h) | |
778 | command_help | |
779 | exit 0 | |
780 | ;; | |
579e2316 | 781 | |
9f66bfdb LS |
782 | --env|-e) |
783 | set_command env | |
784 | ;; | |
579e2316 | 785 | |
9f66bfdb LS |
786 | --cron|-c) |
787 | set_command sign_domains | |
788 | ;; | |
789 | ||
429ec400 NL |
790 | --signcsr|-s) |
791 | shift 1 | |
792 | set_command sign_csr | |
793 | check_parameters "${1:-}" | |
794 | PARAM_CSR="${1}" | |
795 | ;; | |
796 | ||
9f66bfdb LS |
797 | --revoke|-r) |
798 | shift 1 | |
799 | set_command revoke | |
800 | check_parameters "${1:-}" | |
801 | PARAM_REVOKECERT="${1}" | |
802 | ;; | |
5060dea0 | 803 | |
e60682c0 LS |
804 | --cleanup|-gc) |
805 | set_command cleanup | |
806 | ;; | |
807 | ||
8f6c2328 | 808 | # PARAM_Usage: --domain (-d) domain.tld |
9f66bfdb LS |
809 | # PARAM_Description: Use specified domain name(s) instead of domains.txt entry (one certificate!) |
810 | --domain|-d) | |
811 | shift 1 | |
812 | check_parameters "${1:-}" | |
813 | if [[ -z "${PARAM_DOMAIN:-}" ]]; then | |
814 | PARAM_DOMAIN="${1}" | |
815 | else | |
816 | PARAM_DOMAIN="${PARAM_DOMAIN} ${1}" | |
817 | fi | |
818 | ;; | |
819 | ||
820 | ||
8f6c2328 | 821 | # PARAM_Usage: --force (-x) |
9f66bfdb LS |
822 | # PARAM_Description: Force renew of certificate even if it is longer valid than value in RENEW_DAYS |
823 | --force|-x) | |
824 | PARAM_FORCE="yes" | |
825 | ;; | |
826 | ||
0a859a19 LS |
827 | # PARAM_Usage: --privkey (-p) path/to/key.pem |
828 | # PARAM_Description: Use specified private key instead of account key (useful for revocation) | |
9f66bfdb LS |
829 | --privkey|-p) |
830 | shift 1 | |
831 | check_parameters "${1:-}" | |
832 | PARAM_PRIVATE_KEY="${1}" | |
833 | ;; | |
834 | ||
835 | # PARAM_Usage: --config (-f) path/to/config.sh | |
836 | # PARAM_Description: Use specified config file | |
837 | --config|-f) | |
838 | shift 1 | |
839 | check_parameters "${1:-}" | |
840 | CONFIG="${1}" | |
841 | ;; | |
842 | ||
ed27e013 MG |
843 | # PARAM_Usage: --hook (-k) path/to/hook.sh |
844 | # PARAM_Description: Use specified script for hooks | |
845 | --hook|-k) | |
846 | shift 1 | |
847 | check_parameters "${1:-}" | |
848 | PARAM_HOOK="${1}" | |
849 | ;; | |
850 | ||
e925b293 MG |
851 | # PARAM_Usage: --challenge (-t) http-01|dns-01 |
852 | # PARAM_Description: Which challenge should be used? Currently http-01 and dns-01 are supported | |
853 | --challenge|-t) | |
854 | shift 1 | |
855 | check_parameters "${1:-}" | |
856 | PARAM_CHALLENGETYPE="${1}" | |
857 | ;; | |
858 | ||
c71ca3a8 MG |
859 | # PARAM_Usage: --algo (-a) rsa|prime256v1|secp384r1 |
860 | # PARAM_Description: Which public key algorithm should be used? Supported: rsa, prime256v1 and secp384r1 | |
861 | --algo|-a) | |
862 | shift 1 | |
863 | check_parameters "${1:-}" | |
864 | PARAM_KEY_ALGO="${1}" | |
865 | ;; | |
866 | ||
9f66bfdb LS |
867 | *) |
868 | echo "Unknown parameter detected: ${1}" >&2 | |
869 | echo >&2 | |
870 | command_help >&2 | |
871 | exit 1 | |
872 | ;; | |
873 | esac | |
874 | ||
875 | shift 1 | |
876 | done | |
877 | ||
878 | case "${COMMAND}" in | |
879 | env) command_env;; | |
880 | sign_domains) command_sign_domains;; | |
429ec400 | 881 | sign_csr) command_sign_csr "${PARAM_CSR}";; |
9f66bfdb | 882 | revoke) command_revoke "${PARAM_REVOKECERT}";; |
e60682c0 | 883 | cleanup) command_cleanup;; |
7191ed25 | 884 | *) command_help; exit 1;; |
81882a64 | 885 | esac |
9f66bfdb | 886 | } |
81882a64 | 887 | |
c3c9ff4c LS |
888 | # Determine OS type |
889 | OSTYPE="$(uname)" | |
890 | ||
9f66bfdb LS |
891 | # Check for missing dependencies |
892 | check_dependencies | |
893 | ||
894 | # Run script | |
895 | main "${@:-}" |