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>
31 #include "sysupgrade.h"
34 static struct blob_buf b;
36 static struct ubus_context *_ctx;
38 static int system_board(struct ubus_context *ctx, struct ubus_object *obj,
39 struct ubus_request_data *req, const char *method,
40 struct blob_attr *msg)
44 char *key, *val, *next;
45 struct utsname utsname;
50 if (uname(&utsname) >= 0)
52 blobmsg_add_string(&b, "kernel", utsname.release);
53 blobmsg_add_string(&b, "hostname", utsname.nodename);
56 if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
58 while(fgets(line, sizeof(line), f))
60 key = strtok(line, "\t:");
61 val = strtok(NULL, "\t\n");
66 if (!strcasecmp(key, "system type") ||
67 !strcasecmp(key, "processor") ||
68 !strcasecmp(key, "model name"))
70 strtoul(val + 2, &key, 0);
72 if (key == (val + 2) || *key != 0)
74 blobmsg_add_string(&b, "system", val + 2);
83 if ((f = fopen("/tmp/sysinfo/model", "r")) != NULL ||
84 (f = fopen("/proc/device-tree/model", "r")) != NULL)
86 if (fgets(line, sizeof(line), f))
88 val = strtok(line, "\t\n");
91 blobmsg_add_string(&b, "model", val);
96 else if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
98 while(fgets(line, sizeof(line), f))
100 key = strtok(line, "\t:");
101 val = strtok(NULL, "\t\n");
106 if (!strcasecmp(key, "machine") ||
107 !strcasecmp(key, "hardware"))
109 blobmsg_add_string(&b, "model", val + 2);
117 if ((f = fopen("/tmp/sysinfo/board_name", "r")) != NULL)
119 if (fgets(line, sizeof(line), f))
121 val = strtok(line, "\t\n");
124 blobmsg_add_string(&b, "board_name", val);
129 else if ((f = fopen("/proc/device-tree/compatible", "r")) != NULL)
131 if (fgets(line, sizeof(line), f))
133 val = strtok(line, "\t\n");
138 while ((next = strchr(next, ',')) != NULL)
144 blobmsg_add_string(&b, "board_name", val);
151 if ((f = fopen("/etc/openwrt_release", "r")) != NULL)
153 c = blobmsg_open_table(&b, "release");
155 while (fgets(line, sizeof(line), f))
161 val = strchr(line, '=');
167 if (!strcasecmp(key, "DISTRIB_ID"))
168 key = "distribution";
169 else if (!strcasecmp(key, "DISTRIB_RELEASE"))
171 else if (!strcasecmp(key, "DISTRIB_REVISION"))
173 else if (!strcasecmp(key, "DISTRIB_CODENAME"))
175 else if (!strcasecmp(key, "DISTRIB_TARGET"))
177 else if (!strcasecmp(key, "DISTRIB_DESCRIPTION"))
182 dest = blobmsg_alloc_string_buffer(&b, key, strlen(val));
184 ERROR("Failed to allocate blob.\n");
188 while (val && (ch = *(val++)) != 0) {
192 next = strchr(val, ch);
201 dest += strlen(dest);
204 *(dest++) = *(val++);
208 blobmsg_add_string_buffer(&b);
211 blobmsg_close_array(&b, c);
216 ubus_send_reply(ctx, req, b.head);
218 return UBUS_STATUS_OK;
221 static int system_info(struct ubus_context *ctx, struct ubus_object *obj,
222 struct ubus_request_data *req, const char *method,
223 struct blob_attr *msg)
232 return UBUS_STATUS_UNKNOWN_ERROR;
237 if (!(tm = localtime(&now)))
238 return UBUS_STATUS_UNKNOWN_ERROR;
240 blob_buf_init(&b, 0);
242 blobmsg_add_u32(&b, "localtime", now + tm->tm_gmtoff);
245 blobmsg_add_u32(&b, "uptime", info.uptime);
247 c = blobmsg_open_array(&b, "load");
248 blobmsg_add_u32(&b, NULL, info.loads[0]);
249 blobmsg_add_u32(&b, NULL, info.loads[1]);
250 blobmsg_add_u32(&b, NULL, info.loads[2]);
251 blobmsg_close_array(&b, c);
253 c = blobmsg_open_table(&b, "memory");
254 blobmsg_add_u64(&b, "total", info.mem_unit * info.totalram);
255 blobmsg_add_u64(&b, "free", info.mem_unit * info.freeram);
256 blobmsg_add_u64(&b, "shared", info.mem_unit * info.sharedram);
257 blobmsg_add_u64(&b, "buffered", info.mem_unit * info.bufferram);
258 blobmsg_close_table(&b, c);
260 c = blobmsg_open_table(&b, "swap");
261 blobmsg_add_u64(&b, "total", info.mem_unit * info.totalswap);
262 blobmsg_add_u64(&b, "free", info.mem_unit * info.freeswap);
263 blobmsg_close_table(&b, c);
266 ubus_send_reply(ctx, req, b.head);
268 return UBUS_STATUS_OK;
271 static int system_reboot(struct ubus_context *ctx, struct ubus_object *obj,
272 struct ubus_request_data *req, const char *method,
273 struct blob_attr *msg)
275 procd_shutdown(RB_AUTOBOOT);
287 static const struct blobmsg_policy watchdog_policy[__WDT_MAX] = {
288 [WDT_FREQUENCY] = { .name = "frequency", .type = BLOBMSG_TYPE_INT32 },
289 [WDT_TIMEOUT] = { .name = "timeout", .type = BLOBMSG_TYPE_INT32 },
290 [WDT_MAGICCLOSE] = { .name = "magicclose", .type = BLOBMSG_TYPE_BOOL },
291 [WDT_STOP] = { .name = "stop", .type = BLOBMSG_TYPE_BOOL },
294 static int watchdog_set(struct ubus_context *ctx, struct ubus_object *obj,
295 struct ubus_request_data *req, const char *method,
296 struct blob_attr *msg)
298 struct blob_attr *tb[__WDT_MAX];
302 return UBUS_STATUS_INVALID_ARGUMENT;
304 blobmsg_parse(watchdog_policy, __WDT_MAX, tb, blob_data(msg), blob_len(msg));
305 if (tb[WDT_FREQUENCY]) {
306 unsigned int timeout = watchdog_timeout(0);
307 unsigned int freq = blobmsg_get_u32(tb[WDT_FREQUENCY]);
310 if (freq > timeout / 2)
312 watchdog_frequency(freq);
316 if (tb[WDT_TIMEOUT]) {
317 unsigned int timeout = blobmsg_get_u32(tb[WDT_TIMEOUT]);
318 unsigned int frequency = watchdog_frequency(0);
320 if (timeout <= frequency)
321 timeout = frequency * 2;
322 watchdog_timeout(timeout);
325 if (tb[WDT_MAGICCLOSE])
326 watchdog_set_magicclose(blobmsg_get_bool(tb[WDT_MAGICCLOSE]));
329 watchdog_set_stopped(blobmsg_get_bool(tb[WDT_STOP]));
331 if (watchdog_fd() == NULL)
333 else if (watchdog_get_stopped())
338 blob_buf_init(&b, 0);
339 blobmsg_add_string(&b, "status", status);
340 blobmsg_add_u32(&b, "timeout", watchdog_timeout(0));
341 blobmsg_add_u32(&b, "frequency", watchdog_frequency(0));
342 blobmsg_add_u8(&b, "magicclose", watchdog_get_magicclose());
343 ubus_send_reply(ctx, req, b.head);
354 static const struct blobmsg_policy signal_policy[__SIGNAL_MAX] = {
355 [SIGNAL_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
356 [SIGNAL_NUM] = { .name = "signum", .type = BLOBMSG_TYPE_INT32 },
359 static int proc_signal(struct ubus_context *ctx, struct ubus_object *obj,
360 struct ubus_request_data *req, const char *method,
361 struct blob_attr *msg)
363 struct blob_attr *tb[__SIGNAL_MAX];
366 return UBUS_STATUS_INVALID_ARGUMENT;
368 blobmsg_parse(signal_policy, __SIGNAL_MAX, tb, blob_data(msg), blob_len(msg));
369 if (!tb[SIGNAL_PID || !tb[SIGNAL_NUM]])
370 return UBUS_STATUS_INVALID_ARGUMENT;
372 kill(blobmsg_get_u32(tb[SIGNAL_PID]), blobmsg_get_u32(tb[SIGNAL_NUM]));
384 static const struct blobmsg_policy sysupgrade_policy[__SYSUPGRADE_MAX] = {
385 [SYSUPGRADE_PATH] = { .name = "path", .type = BLOBMSG_TYPE_STRING },
386 [SYSUPGRADE_PREFIX] = { .name = "prefix", .type = BLOBMSG_TYPE_STRING },
387 [SYSUPGRADE_COMMAND] = { .name = "command", .type = BLOBMSG_TYPE_STRING },
390 static int sysupgrade(struct ubus_context *ctx, struct ubus_object *obj,
391 struct ubus_request_data *req, const char *method,
392 struct blob_attr *msg)
394 struct blob_attr *tb[__SYSUPGRADE_MAX];
397 return UBUS_STATUS_INVALID_ARGUMENT;
399 blobmsg_parse(sysupgrade_policy, __SYSUPGRADE_MAX, tb, blob_data(msg), blob_len(msg));
400 if (!tb[SYSUPGRADE_PATH] || !tb[SYSUPGRADE_PREFIX])
401 return UBUS_STATUS_INVALID_ARGUMENT;
403 sysupgrade_exec_upgraded(blobmsg_get_string(tb[SYSUPGRADE_PREFIX]),
404 blobmsg_get_string(tb[SYSUPGRADE_PATH]),
405 tb[SYSUPGRADE_COMMAND] ? blobmsg_get_string(tb[SYSUPGRADE_COMMAND]) : NULL);
407 /* sysupgrade_exec_upgraded() will never return unless something has gone wrong */
408 return UBUS_STATUS_UNKNOWN_ERROR;
412 procd_subscribe_cb(struct ubus_context *ctx, struct ubus_object *obj)
414 notify = obj->has_subscribers;
418 static const struct ubus_method system_methods[] = {
419 UBUS_METHOD_NOARG("board", system_board),
420 UBUS_METHOD_NOARG("info", system_info),
421 UBUS_METHOD_NOARG("reboot", system_reboot),
422 UBUS_METHOD("watchdog", watchdog_set, watchdog_policy),
423 UBUS_METHOD("signal", proc_signal, signal_policy),
424 UBUS_METHOD("sysupgrade", sysupgrade, sysupgrade_policy),
427 static struct ubus_object_type system_object_type =
428 UBUS_OBJECT_TYPE("system", system_methods);
430 static struct ubus_object system_object = {
432 .type = &system_object_type,
433 .methods = system_methods,
434 .n_methods = ARRAY_SIZE(system_methods),
435 .subscribe_cb = procd_subscribe_cb,
439 procd_bcast_event(char *event, struct blob_attr *msg)
446 ret = ubus_notify(_ctx, &system_object, event, msg, -1);
448 fprintf(stderr, "Failed to notify log: %s\n", ubus_strerror(ret));
451 void ubus_init_system(struct ubus_context *ctx)
456 ret = ubus_add_object(ctx, &system_object);
458 ERROR("Failed to add object: %s\n", ubus_strerror(ret));