2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License version 2.1
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.
15 #include <sys/utsname.h>
17 #include <sys/sysinfo.h>
19 #include <sys/ioctl.h>
20 #include <sys/types.h>
21 #include <sys/reboot.h>
28 #include <libubox/uloop.h>
33 static struct blob_buf b
;
35 static struct ubus_context
*_ctx
;
37 int upgrade_running
= 0;
39 static int system_board(struct ubus_context
*ctx
, struct ubus_object
*obj
,
40 struct ubus_request_data
*req
, const char *method
,
41 struct blob_attr
*msg
)
45 char *key
, *val
, *next
;
46 struct utsname utsname
;
51 if (uname(&utsname
) >= 0)
53 blobmsg_add_string(&b
, "kernel", utsname
.release
);
54 blobmsg_add_string(&b
, "hostname", utsname
.nodename
);
57 if ((f
= fopen("/proc/cpuinfo", "r")) != NULL
)
59 while(fgets(line
, sizeof(line
), f
))
61 key
= strtok(line
, "\t:");
62 val
= strtok(NULL
, "\t\n");
67 if (!strcasecmp(key
, "system type") ||
68 !strcasecmp(key
, "processor") ||
69 !strcasecmp(key
, "model name"))
71 strtoul(val
+ 2, &key
, 0);
73 if (key
== (val
+ 2) || *key
!= 0)
75 blobmsg_add_string(&b
, "system", val
+ 2);
84 if ((f
= fopen("/tmp/sysinfo/model", "r")) != NULL
||
85 (f
= fopen("/proc/device-tree/model", "r")) != NULL
)
87 if (fgets(line
, sizeof(line
), f
))
89 val
= strtok(line
, "\t\n");
92 blobmsg_add_string(&b
, "model", val
);
97 else if ((f
= fopen("/proc/cpuinfo", "r")) != NULL
)
99 while(fgets(line
, sizeof(line
), f
))
101 key
= strtok(line
, "\t:");
102 val
= strtok(NULL
, "\t\n");
107 if (!strcasecmp(key
, "machine") ||
108 !strcasecmp(key
, "hardware"))
110 blobmsg_add_string(&b
, "model", val
+ 2);
118 if ((f
= fopen("/etc/openwrt_release", "r")) != NULL
)
120 c
= blobmsg_open_table(&b
, "release");
122 while (fgets(line
, sizeof(line
), f
))
128 val
= strchr(line
, '=');
134 if (!strcasecmp(key
, "DISTRIB_ID"))
135 key
= "distribution";
136 else if (!strcasecmp(key
, "DISTRIB_RELEASE"))
138 else if (!strcasecmp(key
, "DISTRIB_REVISION"))
140 else if (!strcasecmp(key
, "DISTRIB_CODENAME"))
142 else if (!strcasecmp(key
, "DISTRIB_TARGET"))
144 else if (!strcasecmp(key
, "DISTRIB_DESCRIPTION"))
149 dest
= blobmsg_alloc_string_buffer(&b
, key
, strlen(val
));
151 ERROR("Failed to allocate blob.\n");
155 while (val
&& (ch
= *(val
++)) != 0) {
159 next
= strchr(val
, ch
);
168 dest
+= strlen(dest
);
171 *(dest
++) = *(val
++);
175 blobmsg_add_string_buffer(&b
);
178 blobmsg_close_array(&b
, c
);
183 ubus_send_reply(ctx
, req
, b
.head
);
185 return UBUS_STATUS_OK
;
188 static int system_info(struct ubus_context
*ctx
, struct ubus_object
*obj
,
189 struct ubus_request_data
*req
, const char *method
,
190 struct blob_attr
*msg
)
199 return UBUS_STATUS_UNKNOWN_ERROR
;
204 if (!(tm
= localtime(&now
)))
205 return UBUS_STATUS_UNKNOWN_ERROR
;
207 blob_buf_init(&b
, 0);
209 blobmsg_add_u32(&b
, "localtime", now
+ tm
->tm_gmtoff
);
212 blobmsg_add_u32(&b
, "uptime", info
.uptime
);
214 c
= blobmsg_open_array(&b
, "load");
215 blobmsg_add_u32(&b
, NULL
, info
.loads
[0]);
216 blobmsg_add_u32(&b
, NULL
, info
.loads
[1]);
217 blobmsg_add_u32(&b
, NULL
, info
.loads
[2]);
218 blobmsg_close_array(&b
, c
);
220 c
= blobmsg_open_table(&b
, "memory");
221 blobmsg_add_u64(&b
, "total", info
.mem_unit
* info
.totalram
);
222 blobmsg_add_u64(&b
, "free", info
.mem_unit
* info
.freeram
);
223 blobmsg_add_u64(&b
, "shared", info
.mem_unit
* info
.sharedram
);
224 blobmsg_add_u64(&b
, "buffered", info
.mem_unit
* info
.bufferram
);
225 blobmsg_close_table(&b
, c
);
227 c
= blobmsg_open_table(&b
, "swap");
228 blobmsg_add_u64(&b
, "total", info
.mem_unit
* info
.totalswap
);
229 blobmsg_add_u64(&b
, "free", info
.mem_unit
* info
.freeswap
);
230 blobmsg_close_table(&b
, c
);
233 ubus_send_reply(ctx
, req
, b
.head
);
235 return UBUS_STATUS_OK
;
238 static int system_upgrade(struct ubus_context
*ctx
, struct ubus_object
*obj
,
239 struct ubus_request_data
*req
, const char *method
,
240 struct blob_attr
*msg
)
246 static int system_reboot(struct ubus_context
*ctx
, struct ubus_object
*obj
,
247 struct ubus_request_data
*req
, const char *method
,
248 struct blob_attr
*msg
)
250 procd_shutdown(RB_AUTOBOOT
);
261 static const struct blobmsg_policy watchdog_policy
[__WDT_MAX
] = {
262 [WDT_FREQUENCY
] = { .name
= "frequency", .type
= BLOBMSG_TYPE_INT32
},
263 [WDT_TIMEOUT
] = { .name
= "timeout", .type
= BLOBMSG_TYPE_INT32
},
264 [WDT_STOP
] = { .name
= "stop", .type
= BLOBMSG_TYPE_BOOL
},
267 static int watchdog_set(struct ubus_context
*ctx
, struct ubus_object
*obj
,
268 struct ubus_request_data
*req
, const char *method
,
269 struct blob_attr
*msg
)
271 struct blob_attr
*tb
[__WDT_MAX
];
275 return UBUS_STATUS_INVALID_ARGUMENT
;
277 blobmsg_parse(watchdog_policy
, __WDT_MAX
, tb
, blob_data(msg
), blob_len(msg
));
278 if (tb
[WDT_FREQUENCY
]) {
279 unsigned int timeout
= watchdog_timeout(0);
280 unsigned int freq
= blobmsg_get_u32(tb
[WDT_FREQUENCY
]);
283 if (freq
> timeout
/ 2)
285 watchdog_frequency(freq
);
289 if (tb
[WDT_TIMEOUT
]) {
290 unsigned int timeout
= blobmsg_get_u32(tb
[WDT_TIMEOUT
]);
291 unsigned int frequency
= watchdog_frequency(0);
293 if (timeout
<= frequency
)
294 timeout
= frequency
* 2;
295 watchdog_timeout(timeout
);
299 watchdog_set_stopped(blobmsg_get_bool(tb
[WDT_STOP
]));
301 if (watchdog_fd() == NULL
)
303 else if (watchdog_get_stopped())
308 blob_buf_init(&b
, 0);
309 blobmsg_add_string(&b
, "status", status
);
310 blobmsg_add_u32(&b
, "timeout", watchdog_timeout(0));
311 blobmsg_add_u32(&b
, "frequency", watchdog_frequency(0));
312 ubus_send_reply(ctx
, req
, b
.head
);
323 static const struct blobmsg_policy signal_policy
[__SIGNAL_MAX
] = {
324 [SIGNAL_PID
] = { .name
= "pid", .type
= BLOBMSG_TYPE_INT32
},
325 [SIGNAL_NUM
] = { .name
= "signum", .type
= BLOBMSG_TYPE_INT32
},
328 static int proc_signal(struct ubus_context
*ctx
, struct ubus_object
*obj
,
329 struct ubus_request_data
*req
, const char *method
,
330 struct blob_attr
*msg
)
332 struct blob_attr
*tb
[__SIGNAL_MAX
];
335 return UBUS_STATUS_INVALID_ARGUMENT
;
337 blobmsg_parse(signal_policy
, __SIGNAL_MAX
, tb
, blob_data(msg
), blob_len(msg
));
338 if (!tb
[SIGNAL_PID
|| !tb
[SIGNAL_NUM
]])
339 return UBUS_STATUS_INVALID_ARGUMENT
;
341 kill(blobmsg_get_u32(tb
[SIGNAL_PID
]), blobmsg_get_u32(tb
[SIGNAL_NUM
]));
353 static const struct blobmsg_policy sysupgrade_policy
[__SYSUPGRADE_MAX
] = {
354 [SYSUPGRADE_PATH
] = { .name
= "path", .type
= BLOBMSG_TYPE_STRING
},
355 [SYSUPGRADE_PREFIX
] = { .name
= "prefix", .type
= BLOBMSG_TYPE_STRING
},
356 [SYSUPGRADE_COMMAND
] = { .name
= "command", .type
= BLOBMSG_TYPE_STRING
},
360 procd_exec_upgraded(const char *prefix
, char *path
, char *command
)
362 char *wdt_fd
= watchdog_fd();
363 char *argv
[] = { "/sbin/upgraded", NULL
, NULL
, NULL
};
365 if (chroot(prefix
)) {
366 fprintf(stderr
, "Failed to chroot for upgraded exec.\n");
373 DEBUG(2, "Exec to upgraded now\n");
375 watchdog_set_cloexec(false);
376 setenv("WDTFD", wdt_fd
, 1);
378 execvp(argv
[0], argv
);
380 /* Cleanup on failure */
381 fprintf(stderr
, "Failed to exec upgraded.\n");
383 watchdog_set_cloexec(true);
387 static int sysupgrade(struct ubus_context
*ctx
, struct ubus_object
*obj
,
388 struct ubus_request_data
*req
, const char *method
,
389 struct blob_attr
*msg
)
391 struct blob_attr
*tb
[__SYSUPGRADE_MAX
];
394 return UBUS_STATUS_INVALID_ARGUMENT
;
396 blobmsg_parse(sysupgrade_policy
, __SYSUPGRADE_MAX
, tb
, blob_data(msg
), blob_len(msg
));
397 if (!tb
[SYSUPGRADE_PATH
] || !tb
[SYSUPGRADE_PREFIX
])
398 return UBUS_STATUS_INVALID_ARGUMENT
;
400 procd_exec_upgraded(blobmsg_get_string(tb
[SYSUPGRADE_PREFIX
]),
401 blobmsg_get_string(tb
[SYSUPGRADE_PATH
]),
402 tb
[SYSUPGRADE_COMMAND
] ? blobmsg_get_string(tb
[SYSUPGRADE_COMMAND
]) : NULL
);
407 procd_subscribe_cb(struct ubus_context
*ctx
, struct ubus_object
*obj
)
409 notify
= obj
->has_subscribers
;
413 static const struct ubus_method system_methods
[] = {
414 UBUS_METHOD_NOARG("board", system_board
),
415 UBUS_METHOD_NOARG("info", system_info
),
416 UBUS_METHOD_NOARG("upgrade", system_upgrade
),
417 UBUS_METHOD_NOARG("reboot", system_reboot
),
418 UBUS_METHOD("watchdog", watchdog_set
, watchdog_policy
),
419 UBUS_METHOD("signal", proc_signal
, signal_policy
),
420 UBUS_METHOD("nandupgrade", sysupgrade
, sysupgrade_policy
),
421 UBUS_METHOD("sysupgrade", sysupgrade
, sysupgrade_policy
),
424 static struct ubus_object_type system_object_type
=
425 UBUS_OBJECT_TYPE("system", system_methods
);
427 static struct ubus_object system_object
= {
429 .type
= &system_object_type
,
430 .methods
= system_methods
,
431 .n_methods
= ARRAY_SIZE(system_methods
),
432 .subscribe_cb
= procd_subscribe_cb
,
436 procd_bcast_event(char *event
, struct blob_attr
*msg
)
443 ret
= ubus_notify(_ctx
, &system_object
, event
, msg
, -1);
445 fprintf(stderr
, "Failed to notify log: %s\n", ubus_strerror(ret
));
448 void ubus_init_system(struct ubus_context
*ctx
)
453 ret
= ubus_add_object(ctx
, &system_object
);
455 ERROR("Failed to add object: %s\n", ubus_strerror(ret
));