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>
24 #include <libubox/uloop.h>
29 static struct blob_buf b;
31 static struct ubus_context *_ctx;
33 int upgrade_running = 0;
35 static int system_board(struct ubus_context *ctx, struct ubus_object *obj,
36 struct ubus_request_data *req, const char *method,
37 struct blob_attr *msg)
41 char *key, *val, *next;
42 struct utsname utsname;
47 if (uname(&utsname) >= 0)
49 blobmsg_add_string(&b, "kernel", utsname.release);
50 blobmsg_add_string(&b, "hostname", utsname.nodename);
53 if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
55 while(fgets(line, sizeof(line), f))
57 key = strtok(line, "\t:");
58 val = strtok(NULL, "\t\n");
63 if (!strcasecmp(key, "system type") ||
64 !strcasecmp(key, "processor") ||
65 !strcasecmp(key, "model name"))
67 blobmsg_add_string(&b, "system", val + 2);
75 if ((f = fopen("/tmp/sysinfo/model", "r")) != NULL)
77 if (fgets(line, sizeof(line), f))
79 val = strtok(line, "\t\n");
82 blobmsg_add_string(&b, "model", val);
87 else if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
89 while(fgets(line, sizeof(line), f))
91 key = strtok(line, "\t:");
92 val = strtok(NULL, "\t\n");
97 if (!strcasecmp(key, "machine") ||
98 !strcasecmp(key, "hardware"))
100 blobmsg_add_string(&b, "model", val + 2);
108 if ((f = fopen("/etc/openwrt_release", "r")) != NULL)
110 c = blobmsg_open_table(&b, "release");
112 while (fgets(line, sizeof(line), f))
118 val = strchr(line, '=');
124 if (!strcasecmp(key, "DISTRIB_ID"))
125 key = "distribution";
126 else if (!strcasecmp(key, "DISTRIB_RELEASE"))
128 else if (!strcasecmp(key, "DISTRIB_REVISION"))
130 else if (!strcasecmp(key, "DISTRIB_CODENAME"))
132 else if (!strcasecmp(key, "DISTRIB_TARGET"))
134 else if (!strcasecmp(key, "DISTRIB_DESCRIPTION"))
139 dest = blobmsg_alloc_string_buffer(&b, key, strlen(val));
140 while (val && (ch = *(val++)) != 0) {
144 next = strchr(val, ch);
153 dest += strlen(dest);
156 *(dest++) = *(val++);
160 blobmsg_add_string_buffer(&b);
163 blobmsg_close_array(&b, c);
168 ubus_send_reply(ctx, req, b.head);
170 return UBUS_STATUS_OK;
173 static int system_info(struct ubus_context *ctx, struct ubus_object *obj,
174 struct ubus_request_data *req, const char *method,
175 struct blob_attr *msg)
184 if (!(tm = localtime(&now)))
185 return UBUS_STATUS_UNKNOWN_ERROR;
188 return UBUS_STATUS_UNKNOWN_ERROR;
190 blob_buf_init(&b, 0);
192 blobmsg_add_u32(&b, "uptime", info.uptime);
193 blobmsg_add_u32(&b, "localtime", mktime(tm));
195 c = blobmsg_open_array(&b, "load");
196 blobmsg_add_u32(&b, NULL, info.loads[0]);
197 blobmsg_add_u32(&b, NULL, info.loads[1]);
198 blobmsg_add_u32(&b, NULL, info.loads[2]);
199 blobmsg_close_array(&b, c);
201 c = blobmsg_open_table(&b, "memory");
202 blobmsg_add_u32(&b, "total", info.mem_unit * info.totalram);
203 blobmsg_add_u32(&b, "free", info.mem_unit * info.freeram);
204 blobmsg_add_u32(&b, "shared", info.mem_unit * info.sharedram);
205 blobmsg_add_u32(&b, "buffered", info.mem_unit * info.bufferram);
206 blobmsg_close_table(&b, c);
208 c = blobmsg_open_table(&b, "swap");
209 blobmsg_add_u32(&b, "total", info.mem_unit * info.totalswap);
210 blobmsg_add_u32(&b, "free", info.mem_unit * info.freeswap);
211 blobmsg_close_table(&b, c);
213 ubus_send_reply(ctx, req, b.head);
215 return UBUS_STATUS_OK;
218 static int system_upgrade(struct ubus_context *ctx, struct ubus_object *obj,
219 struct ubus_request_data *req, const char *method,
220 struct blob_attr *msg)
233 static const struct blobmsg_policy watchdog_policy[__WDT_MAX] = {
234 [WDT_FREQUENCY] = { .name = "frequency", .type = BLOBMSG_TYPE_INT32 },
235 [WDT_TIMEOUT] = { .name = "timeout", .type = BLOBMSG_TYPE_INT32 },
236 [WDT_STOP] = { .name = "stop", .type = BLOBMSG_TYPE_BOOL },
239 static int watchdog_set(struct ubus_context *ctx, struct ubus_object *obj,
240 struct ubus_request_data *req, const char *method,
241 struct blob_attr *msg)
243 struct blob_attr *tb[__WDT_MAX];
247 return UBUS_STATUS_INVALID_ARGUMENT;
249 blobmsg_parse(watchdog_policy, __WDT_MAX, tb, blob_data(msg), blob_len(msg));
250 if (tb[WDT_FREQUENCY]) {
251 unsigned int timeout = watchdog_timeout(0);
252 unsigned int freq = blobmsg_get_u32(tb[WDT_FREQUENCY]);
255 if (freq > timeout / 2)
257 watchdog_frequency(freq);
261 if (tb[WDT_TIMEOUT]) {
262 unsigned int timeout = blobmsg_get_u32(tb[WDT_TIMEOUT]);
263 unsigned int frequency = watchdog_frequency(0);
265 if (timeout <= frequency)
266 timeout = frequency * 2;
267 watchdog_timeout(timeout);
271 watchdog_set_stopped(blobmsg_get_bool(tb[WDT_STOP]));
273 if (watchdog_fd() < 0)
275 else if (watchdog_get_stopped())
280 blob_buf_init(&b, 0);
281 blobmsg_add_string(&b, "status", status);
282 blobmsg_add_u32(&b, "timeout", watchdog_timeout(0));
283 blobmsg_add_u32(&b, "frequency", watchdog_frequency(0));
284 ubus_send_reply(ctx, req, b.head);
295 static const struct blobmsg_policy signal_policy[__SIGNAL_MAX] = {
296 [SIGNAL_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
297 [SIGNAL_NUM] = { .name = "signum", .type = BLOBMSG_TYPE_INT32 },
300 static int proc_signal(struct ubus_context *ctx, struct ubus_object *obj,
301 struct ubus_request_data *req, const char *method,
302 struct blob_attr *msg)
304 struct blob_attr *tb[__SIGNAL_MAX];
307 return UBUS_STATUS_INVALID_ARGUMENT;
309 blobmsg_parse(signal_policy, __SIGNAL_MAX, tb, blob_data(msg), blob_len(msg));
310 if (!tb[SIGNAL_PID || !tb[SIGNAL_NUM]])
311 return UBUS_STATUS_INVALID_ARGUMENT;
313 kill(blobmsg_get_u32(tb[SIGNAL_PID]), blobmsg_get_u32(tb[SIGNAL_NUM]));
323 static const struct blobmsg_policy nand_policy[__NAND_MAX] = {
324 [NAND_PATH] = { .name = "path", .type = BLOBMSG_TYPE_STRING },
328 procd_spawn_upgraded(char *path)
330 char *wdt_fd = watchdog_fd();
331 char *argv[] = { "/tmp/upgraded", NULL, NULL};
335 DEBUG(2, "Exec to upgraded now\n");
337 watchdog_no_cloexec();
338 setenv("WDTFD", wdt_fd, 1);
340 execvp(argv[0], argv);
343 static int nand_set(struct ubus_context *ctx, struct ubus_object *obj,
344 struct ubus_request_data *req, const char *method,
345 struct blob_attr *msg)
347 struct blob_attr *tb[__NAND_MAX];
350 return UBUS_STATUS_INVALID_ARGUMENT;
352 blobmsg_parse(nand_policy, __NAND_MAX, tb, blob_data(msg), blob_len(msg));
354 return UBUS_STATUS_INVALID_ARGUMENT;
356 procd_spawn_upgraded(blobmsg_get_string(tb[NAND_PATH]));
357 fprintf(stderr, "Yikees, something went wrong. no /sbin/upgraded ?\n");
362 procd_subscribe_cb(struct ubus_context *ctx, struct ubus_object *obj)
364 notify = obj->has_subscribers;
368 static const struct ubus_method system_methods[] = {
369 UBUS_METHOD_NOARG("board", system_board),
370 UBUS_METHOD_NOARG("info", system_info),
371 UBUS_METHOD_NOARG("upgrade", system_upgrade),
372 UBUS_METHOD("watchdog", watchdog_set, watchdog_policy),
373 UBUS_METHOD("signal", proc_signal, signal_policy),
375 /* must remain at the end as it ia not always loaded */
376 UBUS_METHOD("nandupgrade", nand_set, nand_policy),
379 static struct ubus_object_type system_object_type =
380 UBUS_OBJECT_TYPE("system", system_methods);
382 static struct ubus_object system_object = {
384 .type = &system_object_type,
385 .methods = system_methods,
386 .n_methods = ARRAY_SIZE(system_methods),
387 .subscribe_cb = procd_subscribe_cb,
391 procd_bcast_event(char *event, struct blob_attr *msg)
398 ret = ubus_notify(_ctx, &system_object, event, msg, -1);
400 fprintf(stderr, "Failed to notify log: %s\n", ubus_strerror(ret));
403 void ubus_init_system(struct ubus_context *ctx)
408 if (stat("/sbin/upgraded", &s))
409 system_object.n_methods -= 1;
412 ret = ubus_add_object(ctx, &system_object);
414 ERROR("Failed to add object: %s\n", ubus_strerror(ret));