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acme: Support DNS mode

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Tested with dynu.com ddns.

Install acme-dnsapi:

    # opkg install acme-dnsapi

Example `/etc/config/acme`:

    config acme
        option state_dir '/etc/acme'
        option account_email email@example.org'
        option debug '0'

    config cert 'foo'
        option enabled '1'
        option use_staging '1'
        option keylength '2048'
        option update_uhttpd '0'
        option dns 'dns_dynu'
        list domains 'foo.dynu.com'
        list domains '*.foo.dynu.com'
        list credentials 'Dynu_ClientId="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"'
        list credentials 'Dynu_Secret="yyyyyyyyyyyyyyyyyyyyyyyyy"'

Run:

    # /etc/init.d/acme start

Signed-off-by: Zhong Jianxin <azuwis@gmail.com>
This commit is contained in:
Zhong Jianxin 2018-04-11 12:05:59 +08:00 committed by Toke Høiland-Jørgensen
parent a6ea246cb2
commit b528ec5e79
2 changed files with 27 additions and 2 deletions
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14
net/acme/files/acme-cbi.lua
View file

@ -69,4 +69,18 @@ dom = cs:option(DynamicList, "domains", translate("Domain names"),
"Note that all domain names must point at the router in the global DNS."))
dom.datatype = "list(string)"
dns = cs:option(Value, "dns", translate("DNS API"),
translate("To use DNS mode to issue certificates, set this to the name of a DNS API supported by acme.sh. " ..
"See https://github.com/Neilpang/acme.sh/tree/master/dnsapi for the list of available APIs. " ..
"In DNS mode, the domain name does not have to resolve to the router IP. " ..
"DNS mode is also the only mode that supports wildcard certificates. " ..
"Using this mode requires the acme-dnsapi package to be installed."))
dns.rmempty = false
cred = cs:option(DynamicList, "credentials", translate("DNS API credentials"),
translate("The credentials for the DNS API mode selected above. " ..
"See https://github.com/Neilpang/acme.sh/tree/master/dnsapi#how-to-use-dns-api for the format of credentials required by each API. " ..
"Add multiple entries here in KEY=VAL shell variable format to supply multiple credential variables."))
cred.datatype = "list(string)"
return m

15
net/acme/files/run.sh
View file

@ -143,6 +143,7 @@ issue_cert()
local moved_staging=0
local failed_dir
local webroot
local dns
config_get_bool enabled "$section" enabled 0
config_get_bool use_staging "$section" use_staging
@ -150,6 +151,7 @@ issue_cert()
config_get domains "$section" domains
config_get keylength "$section" keylength
config_get webroot "$section" webroot
config_get dns "$section" dns
[ "$enabled" -eq "1" ] || return
@ -158,7 +160,7 @@ issue_cert()
set -- $domains
main_domain=$1
[ -n "$webroot" ] || pre_checks "$main_domain" || return 1
[ -n "$webroot" ] || [ -n "$dns" ] || pre_checks "$main_domain" || return 1
log "Running ACME for $main_domain"
@ -180,7 +182,10 @@ issue_cert()
[ -n "$ACCOUNT_EMAIL" ] && acme_args="$acme_args --accountemail $ACCOUNT_EMAIL"
[ "$use_staging" -eq "1" ] && acme_args="$acme_args --staging"
if [ -z "$webroot" ]; then
if [ -n "$dns" ]; then
log "Using dns mode"
acme_args="$acme_args --dns $dns"
elif [ -z "$webroot" ]; then
log "Using standalone mode"
acme_args="$acme_args --standalone"
else
@ -192,6 +197,12 @@ issue_cert()
acme_args="$acme_args --webroot $webroot"
fi
handle_credentials() {
local credential="$1"
eval export $credential
}
config_list_foreach "$section" credentials handle_credentials
if ! $ACME --home "$STATE_DIR" --issue $acme_args; then
failed_dir="$STATE_DIR/${main_domain}.failed-$(date +%s)"
err "Issuing cert for $main_domain failed. Moving state to $failed_dir"