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404 lines
8.1 KiB
404 lines
8.1 KiB
#!/bin/sh /etc/rc.common
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# Copyright (C) 2006-2008 OpenWrt.org
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# Copyright (C) 2019 Jeffery To
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START=90
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USE_PROCD=1
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PID_FILE="/var/run/stunnel/stunnel.pid"
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CONF_FILE="/var/etc/stunnel.conf"
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BIN="/usr/bin/stunnel"
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CONF_FILE_CREATED=
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HAVE_ALT_CONF_FILE=
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SERVICE_SECTION_FOUND=
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validate_globals_section() {
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uci_load_validate stunnel globals "$1" "$2" \
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'alt_config_file:file' \
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\
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'compression:or("deflate","zlib")' \
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'EGD:string' \
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'engine:string' \
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'engineCtrl:string' \
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'engineDefault:list(or("ALL","CIPHERS","DH","DIGESTS","DSA","ECDH","ECDSA","PKEY","PKEY_ASN1","PKEY_CRYPTO","RAND","RSA"))' \
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'log:or("append","overwrite")' \
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'output:string' \
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'RNDbytes:uinteger' \
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'RNDfile:string' \
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'RNDoverwrite:bool' \
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'setgid:or(string,uinteger)' \
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'setuid:or(string,uinteger)' \
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'syslog:bool' \
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;
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}
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validate_service_section() {
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uci_load_validate stunnel service "$1" "$2" \
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'enabled:bool:1' \
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\
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'setgid:or(string,uinteger)' \
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'setuid:or(string,uinteger)' \
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;
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}
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validate_service_options() {
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uci_load_validate stunnel "$1" "$2" "$3" \
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'accept_host:host' \
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'accept_port:port' \
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'CAfile:string' \
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'CApath:string' \
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'cert:string' \
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'checkEmail:list(string)' \
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'checkHost:list(host)' \
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'checkIP:list(ipaddr)' \
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'ciphers:list(string)' \
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'ciphersuites:list(string)' \
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'client:bool' \
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'config:list(string)' \
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'connect:list(string)' \
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'CRLfile:string' \
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'CRLpath:string' \
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'curves:list(string)' \
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'debug:or(range(0,7),string)' \
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'delay:bool' \
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'engineId:string' \
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'engineNum:and(uinteger,min(1))' \
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'exec:string' \
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'execArgs:string' \
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'failover:or("prio","rr")' \
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'ident:string' \
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'include:directory' \
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'key:string' \
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'local:host' \
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'logId:or("process","sequential","thread","unique")' \
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'OCSP:string' \
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'OCSPaia:bool' \
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'OCSPflag:list(or("NOCASIGN","NOCERTS","NOCHAIN","NOCHECKS","NODELEGATED","NOEXPLICIT","NOINTERN","NOSIGS","NOTIME","NOVERIFY","RESPID_KEY","TRUSTOTHER"))' \
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'OCSPnonce:bool' \
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'options:list(string) ' \
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'protocol:or("cifs","connect","imap","nntp","pgsql","pop3","proxy","smtp","socks")' \
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'protocolAuthentication:or("basic","login","ntlm","plain")' \
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'protocolDomain:hostname' \
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'protocolHost_host:host' \
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'protocolHost_port:port' \
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'protocolPassword:string' \
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'protocolUsername:string' \
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'PSKidentity:string' \
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'PSKsecrets:string' \
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'pty:bool' \
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'redirect_host:host' \
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'redirect_port:port' \
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'renegotiation:bool' \
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'requireCert:bool' \
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'reset:bool' \
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'retry:bool' \
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'service:string' \
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'sessionCacheSize:uinteger' \
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'sessionCacheTimeout:uinteger' \
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'sessiond_host:host' \
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'sessiond_port:port' \
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'sni:list(string)' \
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'socket:list(string)' \
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'sslVersion:or("all","SSLv2","SSLv3","TLSv1","TLSv1.1","TLSv1.2")' \
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'stack:uinteger' \
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'TIMEOUTbusy:uinteger' \
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'TIMEOUTclose:uinteger' \
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'TIMEOUTconnect:uinteger' \
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'TIMEOUTidle:uinteger' \
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'transparent:or("both","destination","none","source")' \
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'verifyChain:bool' \
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'verifyPeer:bool' \
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;
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}
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validate_globals_section_service_options() {
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validate_service_options globals "$@"
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}
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validate_service_section_service_options() {
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validate_service_options service "$@"
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}
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print_options() {
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local _opt
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local _value
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for _opt in $*; do
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eval "_value=\$$_opt"
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[ -z "$_value" ] || echo "$_opt = $_value" >> "$CONF_FILE"
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done
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}
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print_bool_options() {
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local _opt
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local _bool
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local _value
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for _opt in $*; do
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eval "_bool=\$$_opt"
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[ -z "$_bool" ] || {
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_value=no
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[ "$_bool" != 1 ] || _value=yes
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echo "$_opt = $_value" >> "$CONF_FILE"
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}
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done
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}
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print_lists_map() {
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local _opt
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local _values
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local _value
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for _opt in $*; do
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eval "_values=\$$_opt"
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for _value in $_values; do
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echo "$_opt = $_value" >> "$CONF_FILE"
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done
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done
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}
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print_lists_reduce() {
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local _delim="$1"
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local _opt
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local _value
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local _values
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local _v
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shift
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for _opt in $*; do
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_value=
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eval "_values=\$$_opt"
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for _v in $_values; do
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_value=$_value$_delim$_v
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done
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_value=${_value#$_delim}
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[ -z "$_value" ] || echo "$_opt = $_value" >> "$CONF_FILE"
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done
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}
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print_host_port() {
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local _opt
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local _host
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local _port
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for _opt in $*; do
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eval "_host=\${${_opt}_host}"
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eval "_port=\${${_opt}_port}"
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[ -z "$_host" ] || [ -z "$_port" ] || echo "$_opt = $_host:$_port" >> "$CONF_FILE"
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done
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}
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print_optional_host_port() {
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local _opt
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local _host
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local _port
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local _value
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for _opt in $*; do
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eval "_host=\${${_opt}_host}"
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eval "_port=\${${_opt}_port}"
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[ -z "$_port" ] || {
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_value=$_port
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[ -z "$_host" ] || _value=$_host:$_port
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echo "$_opt = $_value" >> "$CONF_FILE"
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}
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done
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}
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print_global_options() {
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print_options \
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compression \
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EGD \
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engine \
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engineCtrl \
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log \
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output \
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RNDbytes \
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RNDfile \
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RNDoverwrite \
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;
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print_bool_options \
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syslog \
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;
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print_lists_reduce , \
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engineDefault \
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;
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}
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print_service_options() {
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[ "$2" = 0 ] || {
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echo "validation failed"
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return 1
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}
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print_options \
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CAfile \
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CApath \
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cert \
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CRLfile \
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CRLpath \
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debug \
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logId \
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engineId \
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engineNum \
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exec \
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execArgs \
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failover \
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ident \
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include \
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key \
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local \
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OCSP \
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protocol \
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protocolAuthentication \
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protocolDomain \
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protocolPassword \
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protocolUsername \
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PSKidentity \
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PSKsecrets \
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service \
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sessionCacheSize \
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sessionCacheTimeout \
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setgid \
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setuid \
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sslVersion \
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stack \
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TIMEOUTbusy \
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TIMEOUTclose \
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TIMEOUTconnect \
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TIMEOUTidle \
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transparent \
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;
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print_bool_options \
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client \
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delay \
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OCSPaia \
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OCSPnonce \
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pty \
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renegotiation \
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requireCert \
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reset \
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retry \
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verifyChain \
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verifyPeer \
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;
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print_lists_map \
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checkEmail \
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checkHost \
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checkIP \
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config \
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connect \
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OCSPflag \
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options \
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sni \
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socket \
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;
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print_lists_reduce : \
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ciphers \
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curves \
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ciphersuites \
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;
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print_host_port \
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protocolHost \
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sessiond \
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;
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print_optional_host_port \
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accept \
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redirect \
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;
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}
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create_conf_file() {
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[ -n "$CONF_FILE_CREATED" ] || {
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mkdir -p "$(dirname "$CONF_FILE")"
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echo "; STunnel configuration file generated by uci" > "$CONF_FILE"
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echo "; Written $(date +'%c')" >> "$CONF_FILE"
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echo >> "$CONF_FILE"
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echo "foreground = quiet" >> "$CONF_FILE"
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echo "pid = $PID_FILE" >> "$CONF_FILE"
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CONF_FILE_CREATED=1
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}
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}
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global_defs() {
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local pid_dir
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[ "$2" = 0 ] || {
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echo "validation failed"
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return 1
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}
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# If the first globals section has alt_config_file, don't process any more globals
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[ -z "$HAVE_ALT_CONF_FILE" ] || return 0
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# If "alt_config_file" specified in the first globals section, use that instead
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[ -z "$alt_config_file" ] || [ -n "$CONF_FILE_CREATED" ] || {
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# Symlink "alt_config_file" since it's a bit easier and safer
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ln -s "$alt_config_file" "$CONF_FILE"
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# Set section found to start service, user hopefully knows what they are doing
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SERVICE_SECTION_FOUND=1
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CONF_FILE_CREATED=1
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HAVE_ALT_CONF_FILE=1
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return 0
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}
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pid_dir="$(dirname "$PID_FILE")"
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mkdir -p "$pid_dir"
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[ -z "$setuid" ] || chown "$setuid" "$pid_dir"
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[ -z "$setgid" ] || chown ":$setgid" "$pid_dir"
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create_conf_file
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print_global_options
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validate_service_options globals "$1" print_service_options
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}
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service_section() {
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[ "$2" = 0 ] || {
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echo "validation failed"
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return 1
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}
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[ "$enabled" = 1 ] || return 0
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SERVICE_SECTION_FOUND=1
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echo >> "$CONF_FILE"
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echo "[$1]" >> "$CONF_FILE"
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validate_service_options service "$1" print_service_options
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}
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service_triggers() {
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procd_add_reload_trigger stunnel
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procd_open_validate
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validate_globals_section
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validate_globals_section_service_options
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validate_service_section
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validate_service_section_service_options
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procd_close_validate
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}
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start_service() {
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rm -f "$CONF_FILE"
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config_load stunnel
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config_foreach validate_globals_section globals global_defs
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[ -n "$HAVE_ALT_CONF_FILE" ] || {
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create_conf_file
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config_foreach validate_service_section service service_section
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}
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[ -n "$SERVICE_SECTION_FOUND" ] || {
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logger -t stunnel -p daemon.info "No uci service section enabled or found!"
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return 1
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}
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procd_open_instance
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procd_set_param command "$BIN"
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procd_append_param command "$CONF_FILE"
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procd_set_param respawn
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procd_set_param file "$CONF_FILE"
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procd_close_instance
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}
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