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>
27 #include <libubox/uloop.h>
32 static struct blob_buf b;
34 static struct ubus_context *_ctx;
36 int upgrade_running = 0;
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("/etc/openwrt_release", "r")) != NULL)
119 c = blobmsg_open_table(&b, "release");
121 while (fgets(line, sizeof(line), f))
127 val = strchr(line, '=');
133 if (!strcasecmp(key, "DISTRIB_ID"))
134 key = "distribution";
135 else if (!strcasecmp(key, "DISTRIB_RELEASE"))
137 else if (!strcasecmp(key, "DISTRIB_REVISION"))
139 else if (!strcasecmp(key, "DISTRIB_CODENAME"))
141 else if (!strcasecmp(key, "DISTRIB_TARGET"))
143 else if (!strcasecmp(key, "DISTRIB_DESCRIPTION"))
148 dest = blobmsg_alloc_string_buffer(&b, key, strlen(val));
150 ERROR("Failed to allocate blob.\n");
154 while (val && (ch = *(val++)) != 0) {
158 next = strchr(val, ch);
167 dest += strlen(dest);
170 *(dest++) = *(val++);
174 blobmsg_add_string_buffer(&b);
177 blobmsg_close_array(&b, c);
182 ubus_send_reply(ctx, req, b.head);
184 return UBUS_STATUS_OK;
187 static int system_info(struct ubus_context *ctx, struct ubus_object *obj,
188 struct ubus_request_data *req, const char *method,
189 struct blob_attr *msg)
198 return UBUS_STATUS_UNKNOWN_ERROR;
203 if (!(tm = localtime(&now)))
204 return UBUS_STATUS_UNKNOWN_ERROR;
206 blob_buf_init(&b, 0);
208 blobmsg_add_u32(&b, "localtime", mktime(tm));
211 blobmsg_add_u32(&b, "uptime", info.uptime);
213 c = blobmsg_open_array(&b, "load");
214 blobmsg_add_u32(&b, NULL, info.loads[0]);
215 blobmsg_add_u32(&b, NULL, info.loads[1]);
216 blobmsg_add_u32(&b, NULL, info.loads[2]);
217 blobmsg_close_array(&b, c);
219 c = blobmsg_open_table(&b, "memory");
220 blobmsg_add_u64(&b, "total", info.mem_unit * info.totalram);
221 blobmsg_add_u64(&b, "free", info.mem_unit * info.freeram);
222 blobmsg_add_u64(&b, "shared", info.mem_unit * info.sharedram);
223 blobmsg_add_u64(&b, "buffered", info.mem_unit * info.bufferram);
224 blobmsg_close_table(&b, c);
226 c = blobmsg_open_table(&b, "swap");
227 blobmsg_add_u64(&b, "total", info.mem_unit * info.totalswap);
228 blobmsg_add_u64(&b, "free", info.mem_unit * info.freeswap);
229 blobmsg_close_table(&b, c);
232 ubus_send_reply(ctx, req, b.head);
234 return UBUS_STATUS_OK;
237 static int system_upgrade(struct ubus_context *ctx, struct ubus_object *obj,
238 struct ubus_request_data *req, const char *method,
239 struct blob_attr *msg)
252 static const struct blobmsg_policy watchdog_policy[__WDT_MAX] = {
253 [WDT_FREQUENCY] = { .name = "frequency", .type = BLOBMSG_TYPE_INT32 },
254 [WDT_TIMEOUT] = { .name = "timeout", .type = BLOBMSG_TYPE_INT32 },
255 [WDT_STOP] = { .name = "stop", .type = BLOBMSG_TYPE_BOOL },
258 static int watchdog_set(struct ubus_context *ctx, struct ubus_object *obj,
259 struct ubus_request_data *req, const char *method,
260 struct blob_attr *msg)
262 struct blob_attr *tb[__WDT_MAX];
266 return UBUS_STATUS_INVALID_ARGUMENT;
268 blobmsg_parse(watchdog_policy, __WDT_MAX, tb, blob_data(msg), blob_len(msg));
269 if (tb[WDT_FREQUENCY]) {
270 unsigned int timeout = watchdog_timeout(0);
271 unsigned int freq = blobmsg_get_u32(tb[WDT_FREQUENCY]);
274 if (freq > timeout / 2)
276 watchdog_frequency(freq);
280 if (tb[WDT_TIMEOUT]) {
281 unsigned int timeout = blobmsg_get_u32(tb[WDT_TIMEOUT]);
282 unsigned int frequency = watchdog_frequency(0);
284 if (timeout <= frequency)
285 timeout = frequency * 2;
286 watchdog_timeout(timeout);
290 watchdog_set_stopped(blobmsg_get_bool(tb[WDT_STOP]));
292 if (watchdog_fd() == NULL)
294 else if (watchdog_get_stopped())
299 blob_buf_init(&b, 0);
300 blobmsg_add_string(&b, "status", status);
301 blobmsg_add_u32(&b, "timeout", watchdog_timeout(0));
302 blobmsg_add_u32(&b, "frequency", watchdog_frequency(0));
303 ubus_send_reply(ctx, req, b.head);
314 static const struct blobmsg_policy signal_policy[__SIGNAL_MAX] = {
315 [SIGNAL_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
316 [SIGNAL_NUM] = { .name = "signum", .type = BLOBMSG_TYPE_INT32 },
319 static int proc_signal(struct ubus_context *ctx, struct ubus_object *obj,
320 struct ubus_request_data *req, const char *method,
321 struct blob_attr *msg)
323 struct blob_attr *tb[__SIGNAL_MAX];
326 return UBUS_STATUS_INVALID_ARGUMENT;
328 blobmsg_parse(signal_policy, __SIGNAL_MAX, tb, blob_data(msg), blob_len(msg));
329 if (!tb[SIGNAL_PID || !tb[SIGNAL_NUM]])
330 return UBUS_STATUS_INVALID_ARGUMENT;
332 kill(blobmsg_get_u32(tb[SIGNAL_PID]), blobmsg_get_u32(tb[SIGNAL_NUM]));
342 static const struct blobmsg_policy nand_policy[__NAND_MAX] = {
343 [NAND_PATH] = { .name = "path", .type = BLOBMSG_TYPE_STRING },
347 procd_spawn_upgraded(char *path)
349 char *wdt_fd = watchdog_fd();
350 char *argv[] = { "/tmp/upgraded", NULL, NULL};
354 DEBUG(2, "Exec to upgraded now\n");
356 watchdog_no_cloexec();
357 setenv("WDTFD", wdt_fd, 1);
359 execvp(argv[0], argv);
362 static int nand_set(struct ubus_context *ctx, struct ubus_object *obj,
363 struct ubus_request_data *req, const char *method,
364 struct blob_attr *msg)
366 struct blob_attr *tb[__NAND_MAX];
369 return UBUS_STATUS_INVALID_ARGUMENT;
371 blobmsg_parse(nand_policy, __NAND_MAX, tb, blob_data(msg), blob_len(msg));
373 return UBUS_STATUS_INVALID_ARGUMENT;
375 procd_spawn_upgraded(blobmsg_get_string(tb[NAND_PATH]));
376 fprintf(stderr, "Yikees, something went wrong. no /sbin/upgraded ?\n");
381 procd_subscribe_cb(struct ubus_context *ctx, struct ubus_object *obj)
383 notify = obj->has_subscribers;
387 static const struct ubus_method system_methods[] = {
388 UBUS_METHOD_NOARG("board", system_board),
389 UBUS_METHOD_NOARG("info", system_info),
390 UBUS_METHOD_NOARG("upgrade", system_upgrade),
391 UBUS_METHOD("watchdog", watchdog_set, watchdog_policy),
392 UBUS_METHOD("signal", proc_signal, signal_policy),
394 /* must remain at the end as it ia not always loaded */
395 UBUS_METHOD("nandupgrade", nand_set, nand_policy),
398 static struct ubus_object_type system_object_type =
399 UBUS_OBJECT_TYPE("system", system_methods);
401 static struct ubus_object system_object = {
403 .type = &system_object_type,
404 .methods = system_methods,
405 .n_methods = ARRAY_SIZE(system_methods),
406 .subscribe_cb = procd_subscribe_cb,
410 procd_bcast_event(char *event, struct blob_attr *msg)
417 ret = ubus_notify(_ctx, &system_object, event, msg, -1);
419 fprintf(stderr, "Failed to notify log: %s\n", ubus_strerror(ret));
422 void ubus_init_system(struct ubus_context *ctx)
427 if (stat("/sbin/upgraded", &s))
428 system_object.n_methods -= 1;
431 ret = ubus_add_object(ctx, &system_object);
433 ERROR("Failed to add object: %s\n", ubus_strerror(ret));