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>
16 #include <sys/sysinfo.h>
17 #include <sys/ioctl.h>
18 #include <sys/types.h>
25 #include <libubox/uloop.h>
30 static struct blob_buf b;
32 static struct ubus_context *_ctx;
34 int upgrade_running = 0;
36 static int system_board(struct ubus_context *ctx, struct ubus_object *obj,
37 struct ubus_request_data *req, const char *method,
38 struct blob_attr *msg)
42 char *key, *val, *next;
43 struct utsname utsname;
48 if (uname(&utsname) >= 0)
50 blobmsg_add_string(&b, "kernel", utsname.release);
51 blobmsg_add_string(&b, "hostname", utsname.nodename);
54 if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
56 while(fgets(line, sizeof(line), f))
58 key = strtok(line, "\t:");
59 val = strtok(NULL, "\t\n");
64 if (!strcasecmp(key, "system type") ||
65 !strcasecmp(key, "processor") ||
66 !strcasecmp(key, "model name"))
68 strtoul(val + 2, &key, 0);
70 if (key == (val + 2) || *key != 0)
72 blobmsg_add_string(&b, "system", val + 2);
81 if ((f = fopen("/tmp/sysinfo/model", "r")) != NULL)
83 if (fgets(line, sizeof(line), f))
85 val = strtok(line, "\t\n");
88 blobmsg_add_string(&b, "model", val);
93 else if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
95 while(fgets(line, sizeof(line), f))
97 key = strtok(line, "\t:");
98 val = strtok(NULL, "\t\n");
103 if (!strcasecmp(key, "machine") ||
104 !strcasecmp(key, "hardware"))
106 blobmsg_add_string(&b, "model", val + 2);
114 if ((f = fopen("/etc/openwrt_release", "r")) != NULL)
116 c = blobmsg_open_table(&b, "release");
118 while (fgets(line, sizeof(line), f))
124 val = strchr(line, '=');
130 if (!strcasecmp(key, "DISTRIB_ID"))
131 key = "distribution";
132 else if (!strcasecmp(key, "DISTRIB_RELEASE"))
134 else if (!strcasecmp(key, "DISTRIB_REVISION"))
136 else if (!strcasecmp(key, "DISTRIB_CODENAME"))
138 else if (!strcasecmp(key, "DISTRIB_TARGET"))
140 else if (!strcasecmp(key, "DISTRIB_DESCRIPTION"))
145 dest = blobmsg_alloc_string_buffer(&b, key, strlen(val));
146 while (val && (ch = *(val++)) != 0) {
150 next = strchr(val, ch);
159 dest += strlen(dest);
162 *(dest++) = *(val++);
166 blobmsg_add_string_buffer(&b);
169 blobmsg_close_array(&b, c);
174 ubus_send_reply(ctx, req, b.head);
176 return UBUS_STATUS_OK;
179 static int system_info(struct ubus_context *ctx, struct ubus_object *obj,
180 struct ubus_request_data *req, const char *method,
181 struct blob_attr *msg)
190 if (!(tm = localtime(&now)))
191 return UBUS_STATUS_UNKNOWN_ERROR;
194 return UBUS_STATUS_UNKNOWN_ERROR;
196 blob_buf_init(&b, 0);
198 blobmsg_add_u32(&b, "uptime", info.uptime);
199 blobmsg_add_u32(&b, "localtime", mktime(tm));
201 c = blobmsg_open_array(&b, "load");
202 blobmsg_add_u32(&b, NULL, info.loads[0]);
203 blobmsg_add_u32(&b, NULL, info.loads[1]);
204 blobmsg_add_u32(&b, NULL, info.loads[2]);
205 blobmsg_close_array(&b, c);
207 c = blobmsg_open_table(&b, "memory");
208 blobmsg_add_u32(&b, "total", info.mem_unit * info.totalram);
209 blobmsg_add_u32(&b, "free", info.mem_unit * info.freeram);
210 blobmsg_add_u32(&b, "shared", info.mem_unit * info.sharedram);
211 blobmsg_add_u32(&b, "buffered", info.mem_unit * info.bufferram);
212 blobmsg_close_table(&b, c);
214 c = blobmsg_open_table(&b, "swap");
215 blobmsg_add_u32(&b, "total", info.mem_unit * info.totalswap);
216 blobmsg_add_u32(&b, "free", info.mem_unit * info.freeswap);
217 blobmsg_close_table(&b, c);
219 ubus_send_reply(ctx, req, b.head);
221 return UBUS_STATUS_OK;
224 static int system_upgrade(struct ubus_context *ctx, struct ubus_object *obj,
225 struct ubus_request_data *req, const char *method,
226 struct blob_attr *msg)
239 static const struct blobmsg_policy watchdog_policy[__WDT_MAX] = {
240 [WDT_FREQUENCY] = { .name = "frequency", .type = BLOBMSG_TYPE_INT32 },
241 [WDT_TIMEOUT] = { .name = "timeout", .type = BLOBMSG_TYPE_INT32 },
242 [WDT_STOP] = { .name = "stop", .type = BLOBMSG_TYPE_BOOL },
245 static int watchdog_set(struct ubus_context *ctx, struct ubus_object *obj,
246 struct ubus_request_data *req, const char *method,
247 struct blob_attr *msg)
249 struct blob_attr *tb[__WDT_MAX];
253 return UBUS_STATUS_INVALID_ARGUMENT;
255 blobmsg_parse(watchdog_policy, __WDT_MAX, tb, blob_data(msg), blob_len(msg));
256 if (tb[WDT_FREQUENCY]) {
257 unsigned int timeout = watchdog_timeout(0);
258 unsigned int freq = blobmsg_get_u32(tb[WDT_FREQUENCY]);
261 if (freq > timeout / 2)
263 watchdog_frequency(freq);
267 if (tb[WDT_TIMEOUT]) {
268 unsigned int timeout = blobmsg_get_u32(tb[WDT_TIMEOUT]);
269 unsigned int frequency = watchdog_frequency(0);
271 if (timeout <= frequency)
272 timeout = frequency * 2;
273 watchdog_timeout(timeout);
277 watchdog_set_stopped(blobmsg_get_bool(tb[WDT_STOP]));
279 if (watchdog_fd() < 0)
281 else if (watchdog_get_stopped())
286 blob_buf_init(&b, 0);
287 blobmsg_add_string(&b, "status", status);
288 blobmsg_add_u32(&b, "timeout", watchdog_timeout(0));
289 blobmsg_add_u32(&b, "frequency", watchdog_frequency(0));
290 ubus_send_reply(ctx, req, b.head);
301 static const struct blobmsg_policy signal_policy[__SIGNAL_MAX] = {
302 [SIGNAL_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
303 [SIGNAL_NUM] = { .name = "signum", .type = BLOBMSG_TYPE_INT32 },
306 static int proc_signal(struct ubus_context *ctx, struct ubus_object *obj,
307 struct ubus_request_data *req, const char *method,
308 struct blob_attr *msg)
310 struct blob_attr *tb[__SIGNAL_MAX];
313 return UBUS_STATUS_INVALID_ARGUMENT;
315 blobmsg_parse(signal_policy, __SIGNAL_MAX, tb, blob_data(msg), blob_len(msg));
316 if (!tb[SIGNAL_PID || !tb[SIGNAL_NUM]])
317 return UBUS_STATUS_INVALID_ARGUMENT;
319 kill(blobmsg_get_u32(tb[SIGNAL_PID]), blobmsg_get_u32(tb[SIGNAL_NUM]));
329 static const struct blobmsg_policy nand_policy[__NAND_MAX] = {
330 [NAND_PATH] = { .name = "path", .type = BLOBMSG_TYPE_STRING },
334 procd_spawn_upgraded(char *path)
336 char *wdt_fd = watchdog_fd();
337 char *argv[] = { "/tmp/upgraded", NULL, NULL};
341 DEBUG(2, "Exec to upgraded now\n");
343 watchdog_no_cloexec();
344 setenv("WDTFD", wdt_fd, 1);
346 execvp(argv[0], argv);
349 static int nand_set(struct ubus_context *ctx, struct ubus_object *obj,
350 struct ubus_request_data *req, const char *method,
351 struct blob_attr *msg)
353 struct blob_attr *tb[__NAND_MAX];
356 return UBUS_STATUS_INVALID_ARGUMENT;
358 blobmsg_parse(nand_policy, __NAND_MAX, tb, blob_data(msg), blob_len(msg));
360 return UBUS_STATUS_INVALID_ARGUMENT;
362 procd_spawn_upgraded(blobmsg_get_string(tb[NAND_PATH]));
363 fprintf(stderr, "Yikees, something went wrong. no /sbin/upgraded ?\n");
368 procd_subscribe_cb(struct ubus_context *ctx, struct ubus_object *obj)
370 notify = obj->has_subscribers;
374 static const struct ubus_method system_methods[] = {
375 UBUS_METHOD_NOARG("board", system_board),
376 UBUS_METHOD_NOARG("info", system_info),
377 UBUS_METHOD_NOARG("upgrade", system_upgrade),
378 UBUS_METHOD("watchdog", watchdog_set, watchdog_policy),
379 UBUS_METHOD("signal", proc_signal, signal_policy),
381 /* must remain at the end as it ia not always loaded */
382 UBUS_METHOD("nandupgrade", nand_set, nand_policy),
385 static struct ubus_object_type system_object_type =
386 UBUS_OBJECT_TYPE("system", system_methods);
388 static struct ubus_object system_object = {
390 .type = &system_object_type,
391 .methods = system_methods,
392 .n_methods = ARRAY_SIZE(system_methods),
393 .subscribe_cb = procd_subscribe_cb,
397 procd_bcast_event(char *event, struct blob_attr *msg)
404 ret = ubus_notify(_ctx, &system_object, event, msg, -1);
406 fprintf(stderr, "Failed to notify log: %s\n", ubus_strerror(ret));
409 void ubus_init_system(struct ubus_context *ctx)
414 if (stat("/sbin/upgraded", &s))
415 system_object.n_methods -= 1;
418 ret = ubus_add_object(ctx, &system_object);
420 ERROR("Failed to add object: %s\n", ubus_strerror(ret));