2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
21 #include <arpa/inet.h>
22 #include <netinet/in.h>
26 #include "interface.h"
27 #include "interface-ip.h"
32 static int proto_fd
= -1;
41 struct proto_shell_handler
{
42 struct list_head list
;
43 struct proto_handler proto
;
48 struct uci_blob_param_list config
;
51 struct proto_shell_dependency
{
52 struct list_head list
;
54 struct proto_shell_state
*proto
;
55 struct interface_user dep
;
64 struct proto_shell_state
{
65 struct interface_proto_state proto
;
66 struct proto_shell_handler
*handler
;
67 struct blob_attr
*config
;
69 struct uloop_timeout teardown_timeout
;
72 * Teardown and setup interface again if it is still not up (IFS_UP)
73 * after checkup_interval seconds since previous attempt. This check
74 * will be disabled when the config option "checkup_interval" is
75 * missing or has a negative value
78 struct uloop_timeout checkup_timeout
;
80 struct netifd_process script_task
;
81 struct netifd_process proto_task
;
83 enum proto_shell_sm sm
;
84 bool proto_task_killed
;
89 struct list_head deps
;
93 proto_shell_check_dependencies(struct proto_shell_state
*state
)
95 struct proto_shell_dependency
*dep
;
96 bool available
= true;
98 list_for_each_entry(dep
, &state
->deps
, list
) {
106 interface_set_available(state
->proto
.iface
, available
);
110 proto_shell_if_up_cb(struct interface_user
*dep
, struct interface
*iface
,
111 enum interface_event ev
);
113 proto_shell_if_down_cb(struct interface_user
*dep
, struct interface
*iface
,
114 enum interface_event ev
);
117 proto_shell_update_host_dep(struct proto_shell_dependency
*dep
)
119 struct interface
*iface
= NULL
;
124 if (dep
->interface
[0]) {
125 iface
= vlist_find(&interfaces
, dep
->interface
, iface
, node
);
127 if (!iface
|| iface
->state
!= IFS_UP
)
132 iface
= interface_ip_add_target_route(&dep
->host
, dep
->v6
, iface
);
137 interface_remove_user(&dep
->dep
);
138 dep
->dep
.cb
= proto_shell_if_down_cb
;
139 interface_add_user(&dep
->dep
, iface
);
142 proto_shell_check_dependencies(dep
->proto
);
146 proto_shell_clear_host_dep(struct proto_shell_state
*state
)
148 struct proto_shell_dependency
*dep
, *tmp
;
150 list_for_each_entry_safe(dep
, tmp
, &state
->deps
, list
) {
151 interface_remove_user(&dep
->dep
);
152 list_del(&dep
->list
);
158 proto_shell_handler(struct interface_proto_state
*proto
,
159 enum interface_proto_cmd cmd
, bool force
)
161 struct proto_shell_state
*state
;
162 struct proto_shell_handler
*handler
;
163 struct netifd_process
*proc
;
164 static char error_buf
[32];
169 int ret
, i
= 0, j
= 0;
171 state
= container_of(proto
, struct proto_shell_state
, proto
);
172 handler
= state
->handler
;
173 proc
= &state
->script_task
;
175 if (cmd
== PROTO_CMD_SETUP
) {
179 state
->last_error
= -1;
180 proto_shell_clear_host_dep(state
);
187 } else if (cmd
== PROTO_CMD_RENEW
) {
188 if (!(handler
->proto
.flags
& PROTO_FLAG_RENEW_AVAILABLE
))
191 if (state
->script_task
.uloop
.pending
) {
192 state
->renew_pending
= true;
196 state
->renew_pending
= false;
201 if (state
->script_task
.uloop
.pending
) {
202 uloop_timeout_set(&state
->teardown_timeout
, 1000);
203 kill(state
->script_task
.uloop
.pid
, SIGTERM
);
204 if (state
->proto_task
.uloop
.pending
)
205 kill(state
->proto_task
.uloop
.pid
, SIGTERM
);
206 state
->renew_pending
= false;
207 state
->sm
= S_SETUP_ABORT
;
210 /* if no script task is running */
214 state
->renew_pending
= false;
215 state
->sm
= S_TEARDOWN
;
216 if (state
->last_error
>= 0) {
217 snprintf(error_buf
, sizeof(error_buf
), "ERROR=%d", state
->last_error
);
218 envp
[j
++] = error_buf
;
220 uloop_timeout_set(&state
->teardown_timeout
, 5000);
231 D(INTERFACE
, "run %s for interface '%s'\n", action
, proto
->iface
->name
);
232 config
= blobmsg_format_json(state
->config
, true);
236 argv
[i
++] = handler
->script_name
;
237 argv
[i
++] = handler
->proto
.name
;
239 argv
[i
++] = proto
->iface
->name
;
241 if (proto
->iface
->main_dev
.dev
)
242 argv
[i
++] = proto
->iface
->main_dev
.dev
->ifname
;
246 ret
= netifd_start_process(argv
, envp
, proc
);
253 proto_shell_if_up_cb(struct interface_user
*dep
, struct interface
*iface
,
254 enum interface_event ev
)
256 struct proto_shell_dependency
*pdep
;
258 if (ev
!= IFEV_UP
&& ev
!= IFEV_UPDATE
)
261 pdep
= container_of(dep
, struct proto_shell_dependency
, dep
);
262 proto_shell_update_host_dep(pdep
);
266 proto_shell_if_down_cb(struct interface_user
*dep
, struct interface
*iface
,
267 enum interface_event ev
)
269 struct proto_shell_dependency
*pdep
;
270 struct proto_shell_state
*state
;
272 if (ev
== IFEV_UP
|| ev
== IFEV_UPDATE
)
275 pdep
= container_of(dep
, struct proto_shell_dependency
, dep
);
276 interface_remove_user(dep
);
277 dep
->cb
= proto_shell_if_up_cb
;
278 interface_add_user(dep
, NULL
);
281 if (state
->sm
== S_IDLE
) {
282 state
->proto
.proto_event(&state
->proto
, IFPEV_LINK_LOST
);
283 proto_shell_handler(&state
->proto
, PROTO_CMD_TEARDOWN
, false);
288 proto_shell_task_finish(struct proto_shell_state
*state
,
289 struct netifd_process
*task
)
293 if (task
== &state
->proto_task
)
294 state
->proto
.proto_event(&state
->proto
, IFPEV_LINK_LOST
);
297 if (task
== &state
->proto_task
)
298 proto_shell_handler(&state
->proto
, PROTO_CMD_TEARDOWN
,
300 else if (task
== &state
->script_task
) {
301 if (state
->renew_pending
)
302 proto_shell_handler(&state
->proto
,
303 PROTO_CMD_RENEW
, false);
304 else if (!(state
->handler
->proto
.flags
& PROTO_FLAG_NO_TASK
) &&
305 !state
->proto_task
.uloop
.pending
&&
306 state
->sm
== S_SETUP
)
307 proto_shell_handler(&state
->proto
,
311 /* check up status after setup attempt by this script_task */
312 if (state
->sm
== S_SETUP
&& state
->checkup_interval
> 0) {
313 uloop_timeout_set(&state
->checkup_timeout
,
314 state
->checkup_interval
* 1000);
320 if (state
->script_task
.uloop
.pending
||
321 state
->proto_task
.uloop
.pending
)
324 /* completed aborting all tasks, now idle */
325 uloop_timeout_cancel(&state
->teardown_timeout
);
326 uloop_timeout_cancel(&state
->checkup_timeout
);
328 proto_shell_handler(&state
->proto
, PROTO_CMD_TEARDOWN
, false);
332 if (state
->script_task
.uloop
.pending
)
335 if (state
->proto_task
.uloop
.pending
) {
336 if (!state
->proto_task_killed
)
337 kill(state
->proto_task
.uloop
.pid
, SIGTERM
);
341 /* completed tearing down all tasks, now idle */
342 uloop_timeout_cancel(&state
->teardown_timeout
);
343 uloop_timeout_cancel(&state
->checkup_timeout
);
345 state
->proto
.proto_event(&state
->proto
, IFPEV_DOWN
);
351 proto_shell_teardown_timeout_cb(struct uloop_timeout
*timeout
)
353 struct proto_shell_state
*state
;
355 state
= container_of(timeout
, struct proto_shell_state
, teardown_timeout
);
357 netifd_kill_process(&state
->script_task
);
358 netifd_kill_process(&state
->proto_task
);
359 proto_shell_task_finish(state
, NULL
);
363 proto_shell_script_cb(struct netifd_process
*p
, int ret
)
365 struct proto_shell_state
*state
;
367 state
= container_of(p
, struct proto_shell_state
, script_task
);
368 proto_shell_task_finish(state
, p
);
372 proto_shell_task_cb(struct netifd_process
*p
, int ret
)
374 struct proto_shell_state
*state
;
376 state
= container_of(p
, struct proto_shell_state
, proto_task
);
378 if (state
->sm
== S_IDLE
|| state
->sm
== S_SETUP
)
379 state
->last_error
= WEXITSTATUS(ret
);
381 proto_shell_task_finish(state
, p
);
385 proto_shell_free(struct interface_proto_state
*proto
)
387 struct proto_shell_state
*state
;
389 state
= container_of(proto
, struct proto_shell_state
, proto
);
390 uloop_timeout_cancel(&state
->teardown_timeout
);
391 uloop_timeout_cancel(&state
->checkup_timeout
);
392 proto_shell_clear_host_dep(state
);
393 netifd_kill_process(&state
->script_task
);
394 netifd_kill_process(&state
->proto_task
);
400 proto_shell_parse_route_list(struct interface
*iface
, struct blob_attr
*attr
,
403 struct blob_attr
*cur
;
406 blobmsg_for_each_attr(cur
, attr
, rem
) {
407 if (blobmsg_type(cur
) != BLOBMSG_TYPE_TABLE
) {
408 DPRINTF("Ignore wrong route type: %d\n", blobmsg_type(cur
));
412 interface_ip_add_route(iface
, cur
, v6
);
417 proto_shell_parse_data(struct interface
*iface
, struct blob_attr
*attr
)
419 struct blob_attr
*cur
;
422 blobmsg_for_each_attr(cur
, attr
, rem
)
423 interface_add_data(iface
, cur
);
426 static struct device
*
427 proto_shell_create_tunnel(const char *name
, struct blob_attr
*attr
)
432 memset(&b
, 0, sizeof(b
));
433 blob_buf_init(&b
, 0);
434 blob_put(&b
, 0, blobmsg_data(attr
), blobmsg_data_len(attr
));
435 dev
= device_create(name
, &tunnel_device_type
, blob_data(b
.head
));
462 static const struct blobmsg_policy notify_attr
[__NOTIFY_LAST
] = {
463 [NOTIFY_ACTION
] = { .name
= "action", .type
= BLOBMSG_TYPE_INT32
},
464 [NOTIFY_ERROR
] = { .name
= "error", .type
= BLOBMSG_TYPE_ARRAY
},
465 [NOTIFY_COMMAND
] = { .name
= "command", .type
= BLOBMSG_TYPE_ARRAY
},
466 [NOTIFY_ENV
] = { .name
= "env", .type
= BLOBMSG_TYPE_ARRAY
},
467 [NOTIFY_SIGNAL
] = { .name
= "signal", .type
= BLOBMSG_TYPE_INT32
},
468 [NOTIFY_AVAILABLE
] = { .name
= "available", .type
= BLOBMSG_TYPE_BOOL
},
469 [NOTIFY_LINK_UP
] = { .name
= "link-up", .type
= BLOBMSG_TYPE_BOOL
},
470 [NOTIFY_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
471 [NOTIFY_ADDR_EXT
] = { .name
= "address-external", .type
= BLOBMSG_TYPE_BOOL
},
472 [NOTIFY_ROUTES
] = { .name
= "routes", .type
= BLOBMSG_TYPE_ARRAY
},
473 [NOTIFY_ROUTES6
] = { .name
= "routes6", .type
= BLOBMSG_TYPE_ARRAY
},
474 [NOTIFY_TUNNEL
] = { .name
= "tunnel", .type
= BLOBMSG_TYPE_TABLE
},
475 [NOTIFY_DATA
] = { .name
= "data", .type
= BLOBMSG_TYPE_TABLE
},
476 [NOTIFY_KEEP
] = { .name
= "keep", .type
= BLOBMSG_TYPE_BOOL
},
477 [NOTIFY_HOST
] = { .name
= "host", .type
= BLOBMSG_TYPE_STRING
},
478 [NOTIFY_DNS
] = { .name
= "dns", .type
= BLOBMSG_TYPE_ARRAY
},
479 [NOTIFY_DNS_SEARCH
] = { .name
= "dns_search", .type
= BLOBMSG_TYPE_ARRAY
},
483 proto_shell_update_link(struct proto_shell_state
*state
, struct blob_attr
*data
, struct blob_attr
**tb
)
485 struct interface
*iface
= state
->proto
.iface
;
486 struct blob_attr
*cur
;
490 bool addr_ext
= false;
494 if (state
->sm
== S_TEARDOWN
|| state
->sm
== S_SETUP_ABORT
)
495 return UBUS_STATUS_PERMISSION_DENIED
;
497 if (!tb
[NOTIFY_LINK_UP
])
498 return UBUS_STATUS_INVALID_ARGUMENT
;
500 up
= blobmsg_get_bool(tb
[NOTIFY_LINK_UP
]);
502 state
->proto
.proto_event(&state
->proto
, IFPEV_LINK_LOST
);
506 if ((cur
= tb
[NOTIFY_KEEP
]) != NULL
)
507 keep
= blobmsg_get_bool(cur
);
509 if ((cur
= tb
[NOTIFY_ADDR_EXT
]) != NULL
) {
510 addr_ext
= blobmsg_get_bool(cur
);
515 if (iface
->state
!= IFS_UP
|| !iface
->l3_dev
.dev
)
519 dev
= iface
->main_dev
.dev
;
520 if (tb
[NOTIFY_IFNAME
]) {
522 devname
= blobmsg_data(tb
[NOTIFY_IFNAME
]);
523 if (tb
[NOTIFY_TUNNEL
])
524 dev
= proto_shell_create_tunnel(devname
, tb
[NOTIFY_TUNNEL
]);
526 dev
= device_get(devname
, dev_create
);
530 return UBUS_STATUS_INVALID_ARGUMENT
;
532 interface_set_l3_dev(iface
, dev
);
533 if (device_claim(&iface
->l3_dev
) < 0)
534 return UBUS_STATUS_UNKNOWN_ERROR
;
536 device_set_present(dev
, true);
539 interface_update_start(iface
, keep
);
541 proto_apply_ip_settings(iface
, data
, addr_ext
);
543 if ((cur
= tb
[NOTIFY_ROUTES
]) != NULL
)
544 proto_shell_parse_route_list(state
->proto
.iface
, cur
, false);
546 if ((cur
= tb
[NOTIFY_ROUTES6
]) != NULL
)
547 proto_shell_parse_route_list(state
->proto
.iface
, cur
, true);
549 if ((cur
= tb
[NOTIFY_DNS
]))
550 interface_add_dns_server_list(&iface
->proto_ip
, cur
);
552 if ((cur
= tb
[NOTIFY_DNS_SEARCH
]))
553 interface_add_dns_search_list(&iface
->proto_ip
, cur
);
555 if ((cur
= tb
[NOTIFY_DATA
]))
556 proto_shell_parse_data(state
->proto
.iface
, cur
);
558 interface_update_complete(state
->proto
.iface
);
560 if ((state
->sm
!= S_SETUP_ABORT
) && (state
->sm
!= S_TEARDOWN
)) {
561 state
->proto
.proto_event(&state
->proto
, IFPEV_UP
);
569 fill_string_list(struct blob_attr
*attr
, char **argv
, int max
)
571 struct blob_attr
*cur
;
578 blobmsg_for_each_attr(cur
, attr
, rem
) {
579 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
582 if (!blobmsg_check_attr(cur
, NULL
))
585 argv
[argc
++] = blobmsg_data(cur
);
596 proto_shell_run_command(struct proto_shell_state
*state
, struct blob_attr
**tb
)
598 static char *argv
[64];
599 static char *env
[32];
601 if (state
->sm
== S_TEARDOWN
|| state
->sm
== S_SETUP_ABORT
)
602 return UBUS_STATUS_PERMISSION_DENIED
;
604 if (!tb
[NOTIFY_COMMAND
])
607 if (!fill_string_list(tb
[NOTIFY_COMMAND
], argv
, ARRAY_SIZE(argv
)))
610 if (!fill_string_list(tb
[NOTIFY_ENV
], env
, ARRAY_SIZE(env
)))
613 netifd_start_process((const char **) argv
, (char **) env
, &state
->proto_task
);
618 return UBUS_STATUS_INVALID_ARGUMENT
;
622 proto_shell_kill_command(struct proto_shell_state
*state
, struct blob_attr
**tb
)
624 unsigned int signal
= ~0;
626 if (tb
[NOTIFY_SIGNAL
])
627 signal
= blobmsg_get_u32(tb
[NOTIFY_SIGNAL
]);
632 if (state
->proto_task
.uloop
.pending
) {
633 if (signal
== SIGTERM
|| signal
== SIGKILL
)
634 state
->proto_task_killed
= true;
635 kill(state
->proto_task
.uloop
.pid
, signal
);
642 proto_shell_notify_error(struct proto_shell_state
*state
, struct blob_attr
**tb
)
644 struct blob_attr
*cur
;
649 if (!tb
[NOTIFY_ERROR
])
650 return UBUS_STATUS_INVALID_ARGUMENT
;
652 blobmsg_for_each_attr(cur
, tb
[NOTIFY_ERROR
], rem
) {
653 if (n_data
+ 1 == ARRAY_SIZE(data
))
656 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
659 if (!blobmsg_check_attr(cur
, NULL
))
662 data
[n_data
++] = blobmsg_data(cur
);
668 interface_add_error(state
->proto
.iface
, state
->handler
->proto
.name
,
669 data
[0], (const char **) &data
[1], n_data
- 1);
674 return UBUS_STATUS_INVALID_ARGUMENT
;
678 proto_shell_block_restart(struct proto_shell_state
*state
, struct blob_attr
**tb
)
680 state
->proto
.iface
->autostart
= false;
685 proto_shell_set_available(struct proto_shell_state
*state
, struct blob_attr
**tb
)
687 if (!tb
[NOTIFY_AVAILABLE
])
688 return UBUS_STATUS_INVALID_ARGUMENT
;
690 interface_set_available(state
->proto
.iface
, blobmsg_get_bool(tb
[NOTIFY_AVAILABLE
]));
695 proto_shell_add_host_dependency(struct proto_shell_state
*state
, struct blob_attr
**tb
)
697 struct proto_shell_dependency
*dep
;
698 const char *ifname
= tb
[NOTIFY_IFNAME
] ? blobmsg_data(tb
[NOTIFY_IFNAME
]) : "";
699 const char *host
= tb
[NOTIFY_HOST
] ? blobmsg_data(tb
[NOTIFY_HOST
]) : "";
701 if (state
->sm
== S_TEARDOWN
|| state
->sm
== S_SETUP_ABORT
)
702 return UBUS_STATUS_PERMISSION_DENIED
;
704 dep
= calloc(1, sizeof(*dep
) + strlen(ifname
) + 1);
706 return UBUS_STATUS_UNKNOWN_ERROR
;
708 if (!host
[0] && ifname
[0]) {
710 } else if (inet_pton(AF_INET
, host
, &dep
->host
) < 1) {
711 if (inet_pton(AF_INET6
, host
, &dep
->host
) < 1) {
713 return UBUS_STATUS_INVALID_ARGUMENT
;
720 strcpy(dep
->interface
, ifname
);
722 dep
->dep
.cb
= proto_shell_if_up_cb
;
723 interface_add_user(&dep
->dep
, NULL
);
724 list_add(&dep
->list
, &state
->deps
);
725 proto_shell_update_host_dep(dep
);
727 return UBUS_STATUS_NOT_FOUND
;
733 proto_shell_setup_failed(struct proto_shell_state
*state
)
739 state
->proto
.proto_event(&state
->proto
, IFPEV_LINK_LOST
);
742 proto_shell_handler(&state
->proto
, PROTO_CMD_TEARDOWN
, false);
747 ret
= UBUS_STATUS_PERMISSION_DENIED
;
754 proto_shell_notify(struct interface_proto_state
*proto
, struct blob_attr
*attr
)
756 struct proto_shell_state
*state
;
757 struct blob_attr
*tb
[__NOTIFY_LAST
];
759 state
= container_of(proto
, struct proto_shell_state
, proto
);
761 blobmsg_parse(notify_attr
, __NOTIFY_LAST
, tb
, blob_data(attr
), blob_len(attr
));
762 if (!tb
[NOTIFY_ACTION
])
763 return UBUS_STATUS_INVALID_ARGUMENT
;
765 switch(blobmsg_get_u32(tb
[NOTIFY_ACTION
])) {
767 return proto_shell_update_link(state
, attr
, tb
);
769 return proto_shell_run_command(state
, tb
);
771 return proto_shell_kill_command(state
, tb
);
773 return proto_shell_notify_error(state
, tb
);
775 return proto_shell_block_restart(state
, tb
);
777 return proto_shell_set_available(state
, tb
);
779 return proto_shell_add_host_dependency(state
, tb
);
781 return proto_shell_setup_failed(state
);
783 return UBUS_STATUS_INVALID_ARGUMENT
;
788 proto_shell_checkup_timeout_cb(struct uloop_timeout
*timeout
)
790 struct proto_shell_state
*state
= container_of(timeout
, struct
791 proto_shell_state
, checkup_timeout
);
792 struct interface_proto_state
*proto
= &state
->proto
;
793 struct interface
*iface
= proto
->iface
;
795 if (!iface
->autostart
)
798 if (iface
->state
== IFS_UP
)
801 D(INTERFACE
, "Interface '%s' is not up after %d sec\n",
802 iface
->name
, state
->checkup_interval
);
803 proto_shell_handler(proto
, PROTO_CMD_TEARDOWN
, false);
807 proto_shell_checkup_attach(struct proto_shell_state
*state
,
808 const struct blob_attr
*attr
)
810 struct blob_attr
*tb
;
811 struct blobmsg_policy checkup_policy
= {
812 .name
= "checkup_interval",
813 .type
= BLOBMSG_TYPE_INT32
816 blobmsg_parse(&checkup_policy
, 1, &tb
, blob_data(attr
), blob_len(attr
));
818 state
->checkup_interval
= -1;
819 state
->checkup_timeout
.cb
= NULL
;
821 state
->checkup_interval
= blobmsg_get_u32(tb
);
822 state
->checkup_timeout
.cb
= proto_shell_checkup_timeout_cb
;
826 static struct interface_proto_state
*
827 proto_shell_attach(const struct proto_handler
*h
, struct interface
*iface
,
828 struct blob_attr
*attr
)
830 struct proto_shell_state
*state
;
832 state
= calloc(1, sizeof(*state
));
836 INIT_LIST_HEAD(&state
->deps
);
838 state
->config
= malloc(blob_pad_len(attr
));
842 memcpy(state
->config
, attr
, blob_pad_len(attr
));
843 proto_shell_checkup_attach(state
, state
->config
);
844 state
->proto
.free
= proto_shell_free
;
845 state
->proto
.notify
= proto_shell_notify
;
846 state
->proto
.cb
= proto_shell_handler
;
847 state
->teardown_timeout
.cb
= proto_shell_teardown_timeout_cb
;
848 state
->script_task
.cb
= proto_shell_script_cb
;
849 state
->script_task
.dir_fd
= proto_fd
;
850 state
->script_task
.log_prefix
= iface
->name
;
851 state
->proto_task
.cb
= proto_shell_task_cb
;
852 state
->proto_task
.dir_fd
= proto_fd
;
853 state
->proto_task
.log_prefix
= iface
->name
;
854 state
->handler
= container_of(h
, struct proto_shell_handler
, proto
);
856 return &state
->proto
;
864 proto_shell_add_handler(const char *script
, const char *name
, json_object
*obj
)
866 struct proto_shell_handler
*handler
;
867 struct proto_handler
*proto
;
868 json_object
*config
, *tmp
;
869 char *proto_name
, *script_name
;
871 handler
= calloc_a(sizeof(*handler
),
872 &proto_name
, strlen(name
) + 1,
873 &script_name
, strlen(script
) + 1);
877 handler
->script_name
= strcpy(script_name
, script
);
879 proto
= &handler
->proto
;
880 proto
->name
= strcpy(proto_name
, name
);
881 proto
->config_params
= &handler
->config
;
882 proto
->attach
= proto_shell_attach
;
884 tmp
= json_get_field(obj
, "no-device", json_type_boolean
);
885 if (tmp
&& json_object_get_boolean(tmp
))
886 handler
->proto
.flags
|= PROTO_FLAG_NODEV
;
888 tmp
= json_get_field(obj
, "no-proto-task", json_type_boolean
);
889 if (tmp
&& json_object_get_boolean(tmp
))
890 handler
->proto
.flags
|= PROTO_FLAG_NO_TASK
;
892 tmp
= json_get_field(obj
, "available", json_type_boolean
);
893 if (tmp
&& json_object_get_boolean(tmp
))
894 handler
->proto
.flags
|= PROTO_FLAG_INIT_AVAILABLE
;
896 tmp
= json_get_field(obj
, "renew-handler", json_type_boolean
);
897 if (tmp
&& json_object_get_boolean(tmp
))
898 handler
->proto
.flags
|= PROTO_FLAG_RENEW_AVAILABLE
;
900 tmp
= json_get_field(obj
, "lasterror", json_type_boolean
);
901 if (tmp
&& json_object_get_boolean(tmp
))
902 handler
->proto
.flags
|= PROTO_FLAG_LASTERROR
;
904 tmp
= json_get_field(obj
, "teardown-on-l3-link-down", json_type_boolean
);
905 if (tmp
&& json_object_get_boolean(tmp
))
906 handler
->proto
.flags
|= PROTO_FLAG_TEARDOWN_ON_L3_LINK_DOWN
;
908 config
= json_get_field(obj
, "config", json_type_array
);
910 handler
->config_buf
= netifd_handler_parse_config(&handler
->config
, config
);
912 DPRINTF("Add handler for script %s: %s\n", script
, proto
->name
);
913 add_proto_handler(proto
);
916 void proto_shell_init(void)
918 proto_fd
= netifd_open_subdir("proto");
922 netifd_init_script_handlers(proto_fd
, proto_shell_add_handler
);