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 static int system_board(struct ubus_context
*ctx
, struct ubus_object
*obj
,
38 struct ubus_request_data
*req
, const char *method
,
39 struct blob_attr
*msg
)
43 char *key
, *val
, *next
;
44 struct utsname utsname
;
49 if (uname(&utsname
) >= 0)
51 blobmsg_add_string(&b
, "kernel", utsname
.release
);
52 blobmsg_add_string(&b
, "hostname", utsname
.nodename
);
55 if ((f
= fopen("/proc/cpuinfo", "r")) != NULL
)
57 while(fgets(line
, sizeof(line
), f
))
59 key
= strtok(line
, "\t:");
60 val
= strtok(NULL
, "\t\n");
65 if (!strcasecmp(key
, "system type") ||
66 !strcasecmp(key
, "processor") ||
67 !strcasecmp(key
, "model name"))
69 strtoul(val
+ 2, &key
, 0);
71 if (key
== (val
+ 2) || *key
!= 0)
73 blobmsg_add_string(&b
, "system", val
+ 2);
82 if ((f
= fopen("/tmp/sysinfo/model", "r")) != NULL
||
83 (f
= fopen("/proc/device-tree/model", "r")) != NULL
)
85 if (fgets(line
, sizeof(line
), f
))
87 val
= strtok(line
, "\t\n");
90 blobmsg_add_string(&b
, "model", val
);
95 else if ((f
= fopen("/proc/cpuinfo", "r")) != NULL
)
97 while(fgets(line
, sizeof(line
), f
))
99 key
= strtok(line
, "\t:");
100 val
= strtok(NULL
, "\t\n");
105 if (!strcasecmp(key
, "machine") ||
106 !strcasecmp(key
, "hardware"))
108 blobmsg_add_string(&b
, "model", val
+ 2);
116 if ((f
= fopen("/etc/openwrt_release", "r")) != NULL
)
118 c
= blobmsg_open_table(&b
, "release");
120 while (fgets(line
, sizeof(line
), f
))
126 val
= strchr(line
, '=');
132 if (!strcasecmp(key
, "DISTRIB_ID"))
133 key
= "distribution";
134 else if (!strcasecmp(key
, "DISTRIB_RELEASE"))
136 else if (!strcasecmp(key
, "DISTRIB_REVISION"))
138 else if (!strcasecmp(key
, "DISTRIB_CODENAME"))
140 else if (!strcasecmp(key
, "DISTRIB_TARGET"))
142 else if (!strcasecmp(key
, "DISTRIB_DESCRIPTION"))
147 dest
= blobmsg_alloc_string_buffer(&b
, key
, strlen(val
));
149 ERROR("Failed to allocate blob.\n");
153 while (val
&& (ch
= *(val
++)) != 0) {
157 next
= strchr(val
, ch
);
166 dest
+= strlen(dest
);
169 *(dest
++) = *(val
++);
173 blobmsg_add_string_buffer(&b
);
176 blobmsg_close_array(&b
, c
);
181 ubus_send_reply(ctx
, req
, b
.head
);
183 return UBUS_STATUS_OK
;
186 static int system_info(struct ubus_context
*ctx
, struct ubus_object
*obj
,
187 struct ubus_request_data
*req
, const char *method
,
188 struct blob_attr
*msg
)
197 return UBUS_STATUS_UNKNOWN_ERROR
;
202 if (!(tm
= localtime(&now
)))
203 return UBUS_STATUS_UNKNOWN_ERROR
;
205 blob_buf_init(&b
, 0);
207 blobmsg_add_u32(&b
, "localtime", now
+ tm
->tm_gmtoff
);
210 blobmsg_add_u32(&b
, "uptime", info
.uptime
);
212 c
= blobmsg_open_array(&b
, "load");
213 blobmsg_add_u32(&b
, NULL
, info
.loads
[0]);
214 blobmsg_add_u32(&b
, NULL
, info
.loads
[1]);
215 blobmsg_add_u32(&b
, NULL
, info
.loads
[2]);
216 blobmsg_close_array(&b
, c
);
218 c
= blobmsg_open_table(&b
, "memory");
219 blobmsg_add_u64(&b
, "total", info
.mem_unit
* info
.totalram
);
220 blobmsg_add_u64(&b
, "free", info
.mem_unit
* info
.freeram
);
221 blobmsg_add_u64(&b
, "shared", info
.mem_unit
* info
.sharedram
);
222 blobmsg_add_u64(&b
, "buffered", info
.mem_unit
* info
.bufferram
);
223 blobmsg_close_table(&b
, c
);
225 c
= blobmsg_open_table(&b
, "swap");
226 blobmsg_add_u64(&b
, "total", info
.mem_unit
* info
.totalswap
);
227 blobmsg_add_u64(&b
, "free", info
.mem_unit
* info
.freeswap
);
228 blobmsg_close_table(&b
, c
);
231 ubus_send_reply(ctx
, req
, b
.head
);
233 return UBUS_STATUS_OK
;
236 static int system_reboot(struct ubus_context
*ctx
, struct ubus_object
*obj
,
237 struct ubus_request_data
*req
, const char *method
,
238 struct blob_attr
*msg
)
240 procd_shutdown(RB_AUTOBOOT
);
251 static const struct blobmsg_policy watchdog_policy
[__WDT_MAX
] = {
252 [WDT_FREQUENCY
] = { .name
= "frequency", .type
= BLOBMSG_TYPE_INT32
},
253 [WDT_TIMEOUT
] = { .name
= "timeout", .type
= BLOBMSG_TYPE_INT32
},
254 [WDT_STOP
] = { .name
= "stop", .type
= BLOBMSG_TYPE_BOOL
},
257 static int watchdog_set(struct ubus_context
*ctx
, struct ubus_object
*obj
,
258 struct ubus_request_data
*req
, const char *method
,
259 struct blob_attr
*msg
)
261 struct blob_attr
*tb
[__WDT_MAX
];
265 return UBUS_STATUS_INVALID_ARGUMENT
;
267 blobmsg_parse(watchdog_policy
, __WDT_MAX
, tb
, blob_data(msg
), blob_len(msg
));
268 if (tb
[WDT_FREQUENCY
]) {
269 unsigned int timeout
= watchdog_timeout(0);
270 unsigned int freq
= blobmsg_get_u32(tb
[WDT_FREQUENCY
]);
273 if (freq
> timeout
/ 2)
275 watchdog_frequency(freq
);
279 if (tb
[WDT_TIMEOUT
]) {
280 unsigned int timeout
= blobmsg_get_u32(tb
[WDT_TIMEOUT
]);
281 unsigned int frequency
= watchdog_frequency(0);
283 if (timeout
<= frequency
)
284 timeout
= frequency
* 2;
285 watchdog_timeout(timeout
);
289 watchdog_set_stopped(blobmsg_get_bool(tb
[WDT_STOP
]));
291 if (watchdog_fd() == NULL
)
293 else if (watchdog_get_stopped())
298 blob_buf_init(&b
, 0);
299 blobmsg_add_string(&b
, "status", status
);
300 blobmsg_add_u32(&b
, "timeout", watchdog_timeout(0));
301 blobmsg_add_u32(&b
, "frequency", watchdog_frequency(0));
302 ubus_send_reply(ctx
, req
, b
.head
);
313 static const struct blobmsg_policy signal_policy
[__SIGNAL_MAX
] = {
314 [SIGNAL_PID
] = { .name
= "pid", .type
= BLOBMSG_TYPE_INT32
},
315 [SIGNAL_NUM
] = { .name
= "signum", .type
= BLOBMSG_TYPE_INT32
},
318 static int proc_signal(struct ubus_context
*ctx
, struct ubus_object
*obj
,
319 struct ubus_request_data
*req
, const char *method
,
320 struct blob_attr
*msg
)
322 struct blob_attr
*tb
[__SIGNAL_MAX
];
325 return UBUS_STATUS_INVALID_ARGUMENT
;
327 blobmsg_parse(signal_policy
, __SIGNAL_MAX
, tb
, blob_data(msg
), blob_len(msg
));
328 if (!tb
[SIGNAL_PID
|| !tb
[SIGNAL_NUM
]])
329 return UBUS_STATUS_INVALID_ARGUMENT
;
331 kill(blobmsg_get_u32(tb
[SIGNAL_PID
]), blobmsg_get_u32(tb
[SIGNAL_NUM
]));
343 static const struct blobmsg_policy sysupgrade_policy
[__SYSUPGRADE_MAX
] = {
344 [SYSUPGRADE_PATH
] = { .name
= "path", .type
= BLOBMSG_TYPE_STRING
},
345 [SYSUPGRADE_PREFIX
] = { .name
= "prefix", .type
= BLOBMSG_TYPE_STRING
},
346 [SYSUPGRADE_COMMAND
] = { .name
= "command", .type
= BLOBMSG_TYPE_STRING
},
350 procd_exec_upgraded(const char *prefix
, char *path
, char *command
)
352 char *wdt_fd
= watchdog_fd();
353 char *argv
[] = { "/sbin/upgraded", NULL
, NULL
, NULL
};
355 if (chroot(prefix
)) {
356 fprintf(stderr
, "Failed to chroot for upgraded exec.\n");
363 DEBUG(2, "Exec to upgraded now\n");
365 watchdog_set_cloexec(false);
366 setenv("WDTFD", wdt_fd
, 1);
368 execvp(argv
[0], argv
);
370 /* Cleanup on failure */
371 fprintf(stderr
, "Failed to exec upgraded.\n");
373 watchdog_set_cloexec(true);
377 static int sysupgrade(struct ubus_context
*ctx
, struct ubus_object
*obj
,
378 struct ubus_request_data
*req
, const char *method
,
379 struct blob_attr
*msg
)
381 struct blob_attr
*tb
[__SYSUPGRADE_MAX
];
384 return UBUS_STATUS_INVALID_ARGUMENT
;
386 blobmsg_parse(sysupgrade_policy
, __SYSUPGRADE_MAX
, tb
, blob_data(msg
), blob_len(msg
));
387 if (!tb
[SYSUPGRADE_PATH
] || !tb
[SYSUPGRADE_PREFIX
])
388 return UBUS_STATUS_INVALID_ARGUMENT
;
390 procd_exec_upgraded(blobmsg_get_string(tb
[SYSUPGRADE_PREFIX
]),
391 blobmsg_get_string(tb
[SYSUPGRADE_PATH
]),
392 tb
[SYSUPGRADE_COMMAND
] ? blobmsg_get_string(tb
[SYSUPGRADE_COMMAND
]) : NULL
);
397 procd_subscribe_cb(struct ubus_context
*ctx
, struct ubus_object
*obj
)
399 notify
= obj
->has_subscribers
;
403 static const struct ubus_method system_methods
[] = {
404 UBUS_METHOD_NOARG("board", system_board
),
405 UBUS_METHOD_NOARG("info", system_info
),
406 UBUS_METHOD_NOARG("reboot", system_reboot
),
407 UBUS_METHOD("watchdog", watchdog_set
, watchdog_policy
),
408 UBUS_METHOD("signal", proc_signal
, signal_policy
),
409 UBUS_METHOD("sysupgrade", sysupgrade
, sysupgrade_policy
),
412 static struct ubus_object_type system_object_type
=
413 UBUS_OBJECT_TYPE("system", system_methods
);
415 static struct ubus_object system_object
= {
417 .type
= &system_object_type
,
418 .methods
= system_methods
,
419 .n_methods
= ARRAY_SIZE(system_methods
),
420 .subscribe_cb
= procd_subscribe_cb
,
424 procd_bcast_event(char *event
, struct blob_attr
*msg
)
431 ret
= ubus_notify(_ctx
, &system_object
, event
, msg
, -1);
433 fprintf(stderr
, "Failed to notify log: %s\n", ubus_strerror(ret
));
436 void ubus_init_system(struct ubus_context
*ctx
)
441 ret
= ubus_add_object(ctx
, &system_object
);
443 ERROR("Failed to add object: %s\n", ubus_strerror(ret
));