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 int upgrade_running = 0;
39 static int system_board(struct ubus_context *ctx, struct ubus_object *obj,
40 struct ubus_request_data *req, const char *method,
41 struct blob_attr *msg)
45 char *key, *val, *next;
46 struct utsname utsname;
51 if (uname(&utsname) >= 0)
53 blobmsg_add_string(&b, "kernel", utsname.release);
54 blobmsg_add_string(&b, "hostname", utsname.nodename);
57 if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
59 while(fgets(line, sizeof(line), f))
61 key = strtok(line, "\t:");
62 val = strtok(NULL, "\t\n");
67 if (!strcasecmp(key, "system type") ||
68 !strcasecmp(key, "processor") ||
69 !strcasecmp(key, "model name"))
71 strtoul(val + 2, &key, 0);
73 if (key == (val + 2) || *key != 0)
75 blobmsg_add_string(&b, "system", val + 2);
84 if ((f = fopen("/tmp/sysinfo/model", "r")) != NULL ||
85 (f = fopen("/proc/device-tree/model", "r")) != NULL)
87 if (fgets(line, sizeof(line), f))
89 val = strtok(line, "\t\n");
92 blobmsg_add_string(&b, "model", val);
97 else if ((f = fopen("/proc/cpuinfo", "r")) != NULL)
99 while(fgets(line, sizeof(line), f))
101 key = strtok(line, "\t:");
102 val = strtok(NULL, "\t\n");
107 if (!strcasecmp(key, "machine") ||
108 !strcasecmp(key, "hardware"))
110 blobmsg_add_string(&b, "model", val + 2);
118 if ((f = fopen("/tmp/sysinfo/board_name", "r")) != NULL)
120 if (fgets(line, sizeof(line), f))
122 val = strtok(line, "\t\n");
125 blobmsg_add_string(&b, "board_name", val);
130 else if ((f = fopen("/proc/device-tree/compatible", "r")) != NULL)
132 if (fgets(line, sizeof(line), f))
134 val = strtok(line, "\t\n");
139 while ((next = strchr(next, ',')) != NULL)
145 blobmsg_add_string(&b, "board_name", val);
152 if ((f = fopen("/etc/openwrt_release", "r")) != NULL)
154 c = blobmsg_open_table(&b, "release");
156 while (fgets(line, sizeof(line), f))
162 val = strchr(line, '=');
168 if (!strcasecmp(key, "DISTRIB_ID"))
169 key = "distribution";
170 else if (!strcasecmp(key, "DISTRIB_RELEASE"))
172 else if (!strcasecmp(key, "DISTRIB_REVISION"))
174 else if (!strcasecmp(key, "DISTRIB_CODENAME"))
176 else if (!strcasecmp(key, "DISTRIB_TARGET"))
178 else if (!strcasecmp(key, "DISTRIB_DESCRIPTION"))
183 dest = blobmsg_alloc_string_buffer(&b, key, strlen(val));
185 ERROR("Failed to allocate blob.\n");
189 while (val && (ch = *(val++)) != 0) {
193 next = strchr(val, ch);
202 dest += strlen(dest);
205 *(dest++) = *(val++);
209 blobmsg_add_string_buffer(&b);
212 blobmsg_close_array(&b, c);
217 ubus_send_reply(ctx, req, b.head);
219 return UBUS_STATUS_OK;
222 static int system_info(struct ubus_context *ctx, struct ubus_object *obj,
223 struct ubus_request_data *req, const char *method,
224 struct blob_attr *msg)
233 return UBUS_STATUS_UNKNOWN_ERROR;
238 if (!(tm = localtime(&now)))
239 return UBUS_STATUS_UNKNOWN_ERROR;
241 blob_buf_init(&b, 0);
243 blobmsg_add_u32(&b, "localtime", now + tm->tm_gmtoff);
246 blobmsg_add_u32(&b, "uptime", info.uptime);
248 c = blobmsg_open_array(&b, "load");
249 blobmsg_add_u32(&b, NULL, info.loads[0]);
250 blobmsg_add_u32(&b, NULL, info.loads[1]);
251 blobmsg_add_u32(&b, NULL, info.loads[2]);
252 blobmsg_close_array(&b, c);
254 c = blobmsg_open_table(&b, "memory");
255 blobmsg_add_u64(&b, "total", info.mem_unit * info.totalram);
256 blobmsg_add_u64(&b, "free", info.mem_unit * info.freeram);
257 blobmsg_add_u64(&b, "shared", info.mem_unit * info.sharedram);
258 blobmsg_add_u64(&b, "buffered", info.mem_unit * info.bufferram);
259 blobmsg_close_table(&b, c);
261 c = blobmsg_open_table(&b, "swap");
262 blobmsg_add_u64(&b, "total", info.mem_unit * info.totalswap);
263 blobmsg_add_u64(&b, "free", info.mem_unit * info.freeswap);
264 blobmsg_close_table(&b, c);
267 ubus_send_reply(ctx, req, b.head);
269 return UBUS_STATUS_OK;
272 static int system_upgrade(struct ubus_context *ctx, struct ubus_object *obj,
273 struct ubus_request_data *req, const char *method,
274 struct blob_attr *msg)
280 static int system_reboot(struct ubus_context *ctx, struct ubus_object *obj,
281 struct ubus_request_data *req, const char *method,
282 struct blob_attr *msg)
284 procd_shutdown(RB_AUTOBOOT);
296 static const struct blobmsg_policy watchdog_policy[__WDT_MAX] = {
297 [WDT_FREQUENCY] = { .name = "frequency", .type = BLOBMSG_TYPE_INT32 },
298 [WDT_TIMEOUT] = { .name = "timeout", .type = BLOBMSG_TYPE_INT32 },
299 [WDT_MAGICCLOSE] = { .name = "magicclose", .type = BLOBMSG_TYPE_BOOL },
300 [WDT_STOP] = { .name = "stop", .type = BLOBMSG_TYPE_BOOL },
303 static int watchdog_set(struct ubus_context *ctx, struct ubus_object *obj,
304 struct ubus_request_data *req, const char *method,
305 struct blob_attr *msg)
307 struct blob_attr *tb[__WDT_MAX];
311 return UBUS_STATUS_INVALID_ARGUMENT;
313 blobmsg_parse(watchdog_policy, __WDT_MAX, tb, blob_data(msg), blob_len(msg));
314 if (tb[WDT_FREQUENCY]) {
315 unsigned int timeout = watchdog_timeout(0);
316 unsigned int freq = blobmsg_get_u32(tb[WDT_FREQUENCY]);
319 if (freq > timeout / 2)
321 watchdog_frequency(freq);
325 if (tb[WDT_TIMEOUT]) {
326 unsigned int timeout = blobmsg_get_u32(tb[WDT_TIMEOUT]);
327 unsigned int frequency = watchdog_frequency(0);
329 if (timeout <= frequency)
330 timeout = frequency * 2;
331 watchdog_timeout(timeout);
334 if (tb[WDT_MAGICCLOSE])
335 watchdog_set_magicclose(blobmsg_get_bool(tb[WDT_MAGICCLOSE]));
338 watchdog_set_stopped(blobmsg_get_bool(tb[WDT_STOP]));
340 if (watchdog_fd() == NULL)
342 else if (watchdog_get_stopped())
347 blob_buf_init(&b, 0);
348 blobmsg_add_string(&b, "status", status);
349 blobmsg_add_u32(&b, "timeout", watchdog_timeout(0));
350 blobmsg_add_u32(&b, "frequency", watchdog_frequency(0));
351 blobmsg_add_u8(&b, "magicclose", watchdog_get_magicclose());
352 ubus_send_reply(ctx, req, b.head);
363 static const struct blobmsg_policy signal_policy[__SIGNAL_MAX] = {
364 [SIGNAL_PID] = { .name = "pid", .type = BLOBMSG_TYPE_INT32 },
365 [SIGNAL_NUM] = { .name = "signum", .type = BLOBMSG_TYPE_INT32 },
368 static int proc_signal(struct ubus_context *ctx, struct ubus_object *obj,
369 struct ubus_request_data *req, const char *method,
370 struct blob_attr *msg)
372 struct blob_attr *tb[__SIGNAL_MAX];
375 return UBUS_STATUS_INVALID_ARGUMENT;
377 blobmsg_parse(signal_policy, __SIGNAL_MAX, tb, blob_data(msg), blob_len(msg));
378 if (!tb[SIGNAL_PID || !tb[SIGNAL_NUM]])
379 return UBUS_STATUS_INVALID_ARGUMENT;
381 kill(blobmsg_get_u32(tb[SIGNAL_PID]), blobmsg_get_u32(tb[SIGNAL_NUM]));
391 static const struct blobmsg_policy nand_policy[__NAND_MAX] = {
392 [NAND_PATH] = { .name = "path", .type = BLOBMSG_TYPE_STRING },
396 procd_spawn_upgraded(char *path)
398 char *wdt_fd = watchdog_fd();
399 char *argv[] = { "/tmp/upgraded", NULL, NULL};
403 DEBUG(2, "Exec to upgraded now\n");
405 watchdog_no_cloexec();
406 setenv("WDTFD", wdt_fd, 1);
408 execvp(argv[0], argv);
411 static int nand_set(struct ubus_context *ctx, struct ubus_object *obj,
412 struct ubus_request_data *req, const char *method,
413 struct blob_attr *msg)
415 struct blob_attr *tb[__NAND_MAX];
418 return UBUS_STATUS_INVALID_ARGUMENT;
420 blobmsg_parse(nand_policy, __NAND_MAX, tb, blob_data(msg), blob_len(msg));
422 return UBUS_STATUS_INVALID_ARGUMENT;
424 procd_spawn_upgraded(blobmsg_get_string(tb[NAND_PATH]));
425 fprintf(stderr, "Yikees, something went wrong. no /sbin/upgraded ?\n");
430 procd_subscribe_cb(struct ubus_context *ctx, struct ubus_object *obj)
432 notify = obj->has_subscribers;
436 static const struct ubus_method system_methods[] = {
437 UBUS_METHOD_NOARG("board", system_board),
438 UBUS_METHOD_NOARG("info", system_info),
439 UBUS_METHOD_NOARG("upgrade", system_upgrade),
440 UBUS_METHOD_NOARG("reboot", system_reboot),
441 UBUS_METHOD("watchdog", watchdog_set, watchdog_policy),
442 UBUS_METHOD("signal", proc_signal, signal_policy),
444 /* must remain at the end as it ia not always loaded */
445 UBUS_METHOD("nandupgrade", nand_set, nand_policy),
448 static struct ubus_object_type system_object_type =
449 UBUS_OBJECT_TYPE("system", system_methods);
451 static struct ubus_object system_object = {
453 .type = &system_object_type,
454 .methods = system_methods,
455 .n_methods = ARRAY_SIZE(system_methods),
456 .subscribe_cb = procd_subscribe_cb,
460 procd_bcast_event(char *event, struct blob_attr *msg)
467 ret = ubus_notify(_ctx, &system_object, event, msg, -1);
469 fprintf(stderr, "Failed to notify log: %s\n", ubus_strerror(ret));
472 void ubus_init_system(struct ubus_context *ctx)
477 if (stat("/sbin/upgraded", &s))
478 system_object.n_methods -= 1;
481 ret = ubus_add_object(ctx, &system_object);
483 ERROR("Failed to add object: %s\n", ubus_strerror(ret));