3 # procd_open_service(name, [script]):
4 # Initialize a new procd command message containing a service with one or more instances
6 # procd_close_service()
7 # Send the command message for the service
9 # procd_open_instance([name]):
10 # Add an instance to the service described by the previous procd_open_service call
12 # procd_set_param(type, [value...])
14 # command: command line (array).
15 # respawn info: array with 3 values $fail_threshold $restart_timeout $max_fail
16 # env: environment variable (passed to the process)
17 # data: arbitrary name/value pairs for detecting config changes (table)
18 # file: configuration files (array)
19 # netdev: bound network device (detects ifindex changes)
20 # limits: resource limits (passed to the process)
21 # user: $username to run service as
22 # group: $groupname to run service as
23 # pidfile: file name to write pid into
24 # stdout: boolean whether to redirect commands stdout to syslog (default: 0)
25 # stderr: boolean whether to redirect commands stderr to syslog (default: 0)
26 # facility: syslog facility used when logging to syslog (default: daemon)
28 # No space separation is done for arrays/tables - use one function argument per command line argument
30 # procd_close_instance():
31 # Complete the instance being prepared
33 # procd_running(service, [instance]):
34 # Checks if service/instance is currently running
36 # procd_kill(service, [instance]):
37 # Kill a service instance (or all instances)
39 # procd_send_signal(service, [instance], [signal])
40 # Send a signal to a service instance (or all instances)
43 .
"$IPKG_INSTROOT/usr/share/libubox/jshn.sh"
45 PROCD_RELOAD_DELAY
=1000
49 local basescript
=$
(readlink
"$initscript")
50 local service_name
="$(basename ${basescript:-$initscript})"
52 flock
-n 1000 &> /dev
/null
53 if [ "$?" != "0" ]; then
54 exec 1000>"$IPKG_INSTROOT/var/lock/procd_${service_name}.lock"
56 if [ "$?" != "0" ]; then
57 logger
"warning: procd flock for $service_name failed"
65 json_set_namespace procd old_cb
67 json_set_namespace
$old_cb
73 eval "$1() { _procd_call _$1 \"\$@\"; }"
81 [ -n "$PROCD_DEBUG" ] && json_dump
>&2
82 ubus call service
"$cmd" "$(json_dump)"
86 _procd_open_service
() {
90 _PROCD_SERVICE
="$name"
94 json_add_string name
"$name"
95 [ -n "$script" ] && json_add_string
script "$script"
96 json_add_object instances
99 _procd_close_service
() {
107 _procd_ubus_call
${1:-set}
110 _procd_add_array_data
() {
111 while [ "$#" -gt 0 ]; do
112 json_add_string
"" "$1"
120 _procd_add_array_data
"$@"
124 _procd_add_table_data
() {
125 while [ -n "$1" ]; do
128 [ "$1" = "$val" ] && val
=
129 json_add_string
"$var" "$val"
137 _procd_add_table_data
"$@"
141 _procd_open_instance
() {
142 local name
="$1"; shift
144 _PROCD_INSTANCE_SEQ
="$(($_PROCD_INSTANCE_SEQ + 1))"
145 name
="${name:-instance$_PROCD_INSTANCE_SEQ}"
146 json_add_object
"$name"
147 [ -n "$TRACE_SYSCALLS" ] && json_add_boolean trace
"1"
150 _procd_open_trigger
() {
151 let '_procd_trigger_open = _procd_trigger_open + 1'
152 [ "$_procd_trigger_open" -gt 1 ] && return
153 json_add_array
"triggers"
156 _procd_close_trigger
() {
157 let '_procd_trigger_open = _procd_trigger_open - 1'
158 [ "$_procd_trigger_open" -lt 1 ] ||
return
163 let '_procd_data_open = _procd_data_open + 1'
164 [ "$_procd_data_open" -gt 1 ] && return
165 json_add_object
"data"
168 _procd_close_data
() {
169 let '_procd_data_open = _procd_data_open - 1'
170 [ "$_procd_data_open" -lt 1 ] ||
return
174 _procd_open_validate
() {
176 json_add_array
"validate"
179 _procd_close_validate
() {
185 json_add_object
"jail"
186 json_add_string name
"$1"
192 log
) json_add_boolean
"log" "1";;
193 ubus
) json_add_boolean
"ubus" "1";;
194 procfs
) json_add_boolean
"procfs" "1";;
195 sysfs
) json_add_boolean
"sysfs" "1";;
196 ronly
) json_add_boolean
"ronly" "1";;
197 requirejail
) json_add_boolean
"requirejail" "1";;
198 netns
) json_add_boolean
"netns" "1";;
199 userns
) json_add_boolean
"userns" "1";;
200 cgroupsns
) json_add_boolean
"cgroupsns" "1";;
201 console
) json_add_boolean
"console" "1";;
204 json_add_object
"mount"
209 _procd_add_jail_mount
() {
210 local _json_no_warning
=1
220 json_add_string
"$a" "0"
226 _procd_add_jail_mount_rw
() {
227 local _json_no_warning
=1
237 json_add_string
"$a" "1"
244 local type="$1"; shift
248 _procd_add_table
"$type" "$@"
250 command|netdev|
file|respawn|watch|watchdog
)
251 _procd_add_array
"$type" "$@"
254 json_add_array
"$type"
255 json_add_string
"" "$@"
259 json_add_int
"$type" "$1"
262 json_add_int
"$type" $
(kill -l "$1")
264 pidfile|user|group|seccomp|capabilities|facility|\
265 extroot|overlaydir|tmpoverlaysize
)
266 json_add_string
"$type" "$1"
268 stdout|stderr|no_new_privs
)
269 json_add_boolean
"$type" "$1"
274 _procd_add_timeout
() {
275 [ "$PROCD_RELOAD_DELAY" -gt 0 ] && json_add_int
"" "$PROCD_RELOAD_DELAY"
279 _procd_add_interface_trigger
() {
281 _procd_add_array_data
"$1"
285 _procd_add_array_data
"if"
288 _procd_add_array_data
"eq" "interface" "$1"
293 _procd_add_array_data
"run_script" "$@"
301 _procd_add_reload_interface_trigger
() {
302 local script=$
(readlink
"$initscript")
303 local name
=$
(basename ${script:-$initscript})
306 _procd_add_interface_trigger
"interface.*" $1 /etc
/init.d
/$name reload
310 _procd_add_config_trigger
() {
312 _procd_add_array_data
"$1"
316 _procd_add_array_data
"if"
319 _procd_add_array_data
"eq" "package" "$1"
324 _procd_add_array_data
"run_script" "$@"
332 _procd_add_raw_trigger
() {
334 _procd_add_array_data
"$1"
341 _procd_add_array_data
"run_script" "$@"
345 json_add_int
"" "$timeout"
350 _procd_add_reload_trigger
() {
351 local script=$
(readlink
"$initscript")
352 local name
=$
(basename ${script:-$initscript})
357 _procd_add_config_trigger
"config.change" "$file" /etc
/init.d
/$name reload
362 _procd_add_validation
() {
365 _procd_close_validate
368 _procd_append_param
() {
369 local type="$1"; shift
370 local _json_no_warning
=1
374 _procd_set_param
"$type" "$@"
379 _procd_add_table_data
"$@"
381 command|netdev|
file|respawn|watch|watchdog
)
382 _procd_add_array_data
"$@"
385 json_add_string
"" "$@"
391 _procd_close_instance
() {
394 if json_select respawn
; then
395 json_get_values respawn_vals
396 if [ -z "$respawn_vals" ]; then
397 local respawn_threshold
=$
(uci_get system.@service
[0].respawn_threshold
)
398 local respawn_timeout
=$
(uci_get system.@service
[0].respawn_timeout
)
399 local respawn_retry
=$
(uci_get system.@service
[0].respawn_retry
)
400 _procd_add_array_data
${respawn_threshold:-3600} ${respawn_timeout:-5} ${respawn_retry:-5}
408 _procd_add_instance
() {
410 _procd_set_param
command "$@"
411 _procd_close_instance
416 local instance
="${2:-*}"
417 [ "$instance" = "*" ] || instance
="'$instance'"
420 json_add_string name
"$service"
421 local running
=$
(_procd_ubus_call list | jsonfilter
-l 1 -e "@['$service'].instances[$instance].running")
423 [ "$running" = "true" ]
431 [ -n "$service" ] && json_add_string name
"$service"
432 [ -n "$instance" ] && json_add_string instance
"$instance"
433 _procd_ubus_call delete
436 _procd_send_signal
() {
442 [A-Z
]*) signal
="$(kill -l "$signal" 2>/dev/null)" ||
return 1;;
446 json_add_string name
"$service"
447 [ -n "$instance" -a "$instance" != "*" ] && json_add_string instance
"$instance"
448 [ -n "$signal" ] && json_add_int signal
"$signal"
449 _procd_ubus_call signal
458 [ -n "$service" ] && json_add_string name
"$service"
460 data
=$
(_procd_ubus_call list | jsonfilter
-e '@["'"$service"'"]')
461 [ -z "$data" ] && { echo "inactive"; return 3; }
463 data
=$
(echo "$data" | jsonfilter
-e '$.instances')
464 if [ -z "$data" ]; then
465 [ -z "$instance" ] && { echo "active with no instances"; return 0; }
469 [ -n "$instance" ] && instance
="\"$instance\"" || instance
='*'
470 if [ -z "$(echo "$data" | jsonfilter -e '$['"$instance"']')" ]; then
471 echo "unknown instance $instance"; return 4
473 echo "running"; return 0
479 json_set_namespace procd __procd_old_cb
485 json_set_namespace
$__procd_old_cb
488 _procd_set_config_changed
() {
492 json_add_string
type config.change
494 json_add_string package
"$package"
497 ubus call service event
"$(json_dump)"
500 procd_add_mdns_service
() {
501 local service proto port
505 json_add_object
"${service}_$port"
506 json_add_string
"service" "_$service._$proto.local"
507 json_add_int port
"$port"
510 for txt
in "$@"; do json_add_string
"" "$txt"; done
518 json_add_object
"mdns"
519 procd_add_mdns_service
"$@"
524 uci_validate_section
()
532 _result
=$
(/sbin
/validate_data
"$_package" "$_type" "$_name" "$@" 2> /dev
/null
)
535 [ "$_error" = "0" ] || $
(/sbin
/validate_data
"$_package" "$_type" "$_name" "$@" 1> /dev
/null
)
539 uci_load_validate
() {
546 shift; shift; shift; shift
547 for _option
in "$@"; do
548 eval "local ${_option%%:*}"
550 uci_validate_section
"$_package" "$_type" "$_name" "$@"
552 [ -n "$_function" ] ||
return $_result
553 eval "$_function \"\$_name\" \"\$_result\""
558 procd_close_service \
560 procd_add_raw_trigger \
561 procd_add_config_trigger \
562 procd_add_interface_trigger \
563 procd_add_reload_trigger \
564 procd_add_reload_interface_trigger \
566 procd_close_trigger \
567 procd_open_instance \
568 procd_close_instance \
569 procd_open_validate \
570 procd_close_validate \
572 procd_add_jail_mount \
573 procd_add_jail_mount_rw \
576 procd_add_validation \
577 procd_set_config_changed \