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
||
82 (f
= fopen("/proc/device-tree/model", "r")) != NULL
)
84 if (fgets(line
, sizeof(line
), f
))
86 val
= strtok(line
, "\t\n");
89 blobmsg_add_string(&b
, "model", val
);
94 else if ((f
= fopen("/proc/cpuinfo", "r")) != NULL
)
96 while(fgets(line
, sizeof(line
), f
))
98 key
= strtok(line
, "\t:");
99 val
= strtok(NULL
, "\t\n");
104 if (!strcasecmp(key
, "machine") ||
105 !strcasecmp(key
, "hardware"))
107 blobmsg_add_string(&b
, "model", val
+ 2);
115 if ((f
= fopen("/etc/openwrt_release", "r")) != NULL
)
117 c
= blobmsg_open_table(&b
, "release");
119 while (fgets(line
, sizeof(line
), f
))
125 val
= strchr(line
, '=');
131 if (!strcasecmp(key
, "DISTRIB_ID"))
132 key
= "distribution";
133 else if (!strcasecmp(key
, "DISTRIB_RELEASE"))
135 else if (!strcasecmp(key
, "DISTRIB_REVISION"))
137 else if (!strcasecmp(key
, "DISTRIB_CODENAME"))
139 else if (!strcasecmp(key
, "DISTRIB_TARGET"))
141 else if (!strcasecmp(key
, "DISTRIB_DESCRIPTION"))
146 dest
= blobmsg_alloc_string_buffer(&b
, key
, strlen(val
));
147 while (val
&& (ch
= *(val
++)) != 0) {
151 next
= strchr(val
, ch
);
160 dest
+= strlen(dest
);
163 *(dest
++) = *(val
++);
167 blobmsg_add_string_buffer(&b
);
170 blobmsg_close_array(&b
, c
);
175 ubus_send_reply(ctx
, req
, b
.head
);
177 return UBUS_STATUS_OK
;
180 static int system_info(struct ubus_context
*ctx
, struct ubus_object
*obj
,
181 struct ubus_request_data
*req
, const char *method
,
182 struct blob_attr
*msg
)
191 if (!(tm
= localtime(&now
)))
192 return UBUS_STATUS_UNKNOWN_ERROR
;
195 return UBUS_STATUS_UNKNOWN_ERROR
;
197 blob_buf_init(&b
, 0);
199 blobmsg_add_u32(&b
, "uptime", info
.uptime
);
200 blobmsg_add_u32(&b
, "localtime", mktime(tm
));
202 c
= blobmsg_open_array(&b
, "load");
203 blobmsg_add_u32(&b
, NULL
, info
.loads
[0]);
204 blobmsg_add_u32(&b
, NULL
, info
.loads
[1]);
205 blobmsg_add_u32(&b
, NULL
, info
.loads
[2]);
206 blobmsg_close_array(&b
, c
);
208 c
= blobmsg_open_table(&b
, "memory");
209 blobmsg_add_u64(&b
, "total", info
.mem_unit
* info
.totalram
);
210 blobmsg_add_u64(&b
, "free", info
.mem_unit
* info
.freeram
);
211 blobmsg_add_u64(&b
, "shared", info
.mem_unit
* info
.sharedram
);
212 blobmsg_add_u64(&b
, "buffered", info
.mem_unit
* info
.bufferram
);
213 blobmsg_close_table(&b
, c
);
215 c
= blobmsg_open_table(&b
, "swap");
216 blobmsg_add_u64(&b
, "total", info
.mem_unit
* info
.totalswap
);
217 blobmsg_add_u64(&b
, "free", info
.mem_unit
* info
.freeswap
);
218 blobmsg_close_table(&b
, c
);
220 ubus_send_reply(ctx
, req
, b
.head
);
222 return UBUS_STATUS_OK
;
225 static int system_upgrade(struct ubus_context
*ctx
, struct ubus_object
*obj
,
226 struct ubus_request_data
*req
, const char *method
,
227 struct blob_attr
*msg
)
240 static const struct blobmsg_policy watchdog_policy
[__WDT_MAX
] = {
241 [WDT_FREQUENCY
] = { .name
= "frequency", .type
= BLOBMSG_TYPE_INT32
},
242 [WDT_TIMEOUT
] = { .name
= "timeout", .type
= BLOBMSG_TYPE_INT32
},
243 [WDT_STOP
] = { .name
= "stop", .type
= BLOBMSG_TYPE_BOOL
},
246 static int watchdog_set(struct ubus_context
*ctx
, struct ubus_object
*obj
,
247 struct ubus_request_data
*req
, const char *method
,
248 struct blob_attr
*msg
)
250 struct blob_attr
*tb
[__WDT_MAX
];
254 return UBUS_STATUS_INVALID_ARGUMENT
;
256 blobmsg_parse(watchdog_policy
, __WDT_MAX
, tb
, blob_data(msg
), blob_len(msg
));
257 if (tb
[WDT_FREQUENCY
]) {
258 unsigned int timeout
= watchdog_timeout(0);
259 unsigned int freq
= blobmsg_get_u32(tb
[WDT_FREQUENCY
]);
262 if (freq
> timeout
/ 2)
264 watchdog_frequency(freq
);
268 if (tb
[WDT_TIMEOUT
]) {
269 unsigned int timeout
= blobmsg_get_u32(tb
[WDT_TIMEOUT
]);
270 unsigned int frequency
= watchdog_frequency(0);
272 if (timeout
<= frequency
)
273 timeout
= frequency
* 2;
274 watchdog_timeout(timeout
);
278 watchdog_set_stopped(blobmsg_get_bool(tb
[WDT_STOP
]));
280 if (watchdog_fd() < 0)
282 else if (watchdog_get_stopped())
287 blob_buf_init(&b
, 0);
288 blobmsg_add_string(&b
, "status", status
);
289 blobmsg_add_u32(&b
, "timeout", watchdog_timeout(0));
290 blobmsg_add_u32(&b
, "frequency", watchdog_frequency(0));
291 ubus_send_reply(ctx
, req
, b
.head
);
302 static const struct blobmsg_policy signal_policy
[__SIGNAL_MAX
] = {
303 [SIGNAL_PID
] = { .name
= "pid", .type
= BLOBMSG_TYPE_INT32
},
304 [SIGNAL_NUM
] = { .name
= "signum", .type
= BLOBMSG_TYPE_INT32
},
307 static int proc_signal(struct ubus_context
*ctx
, struct ubus_object
*obj
,
308 struct ubus_request_data
*req
, const char *method
,
309 struct blob_attr
*msg
)
311 struct blob_attr
*tb
[__SIGNAL_MAX
];
314 return UBUS_STATUS_INVALID_ARGUMENT
;
316 blobmsg_parse(signal_policy
, __SIGNAL_MAX
, tb
, blob_data(msg
), blob_len(msg
));
317 if (!tb
[SIGNAL_PID
|| !tb
[SIGNAL_NUM
]])
318 return UBUS_STATUS_INVALID_ARGUMENT
;
320 kill(blobmsg_get_u32(tb
[SIGNAL_PID
]), blobmsg_get_u32(tb
[SIGNAL_NUM
]));
330 static const struct blobmsg_policy nand_policy
[__NAND_MAX
] = {
331 [NAND_PATH
] = { .name
= "path", .type
= BLOBMSG_TYPE_STRING
},
335 procd_spawn_upgraded(char *path
)
337 char *wdt_fd
= watchdog_fd();
338 char *argv
[] = { "/tmp/upgraded", NULL
, NULL
};
342 DEBUG(2, "Exec to upgraded now\n");
344 watchdog_no_cloexec();
345 setenv("WDTFD", wdt_fd
, 1);
347 execvp(argv
[0], argv
);
350 static int nand_set(struct ubus_context
*ctx
, struct ubus_object
*obj
,
351 struct ubus_request_data
*req
, const char *method
,
352 struct blob_attr
*msg
)
354 struct blob_attr
*tb
[__NAND_MAX
];
357 return UBUS_STATUS_INVALID_ARGUMENT
;
359 blobmsg_parse(nand_policy
, __NAND_MAX
, tb
, blob_data(msg
), blob_len(msg
));
361 return UBUS_STATUS_INVALID_ARGUMENT
;
363 procd_spawn_upgraded(blobmsg_get_string(tb
[NAND_PATH
]));
364 fprintf(stderr
, "Yikees, something went wrong. no /sbin/upgraded ?\n");
369 procd_subscribe_cb(struct ubus_context
*ctx
, struct ubus_object
*obj
)
371 notify
= obj
->has_subscribers
;
375 static const struct ubus_method system_methods
[] = {
376 UBUS_METHOD_NOARG("board", system_board
),
377 UBUS_METHOD_NOARG("info", system_info
),
378 UBUS_METHOD_NOARG("upgrade", system_upgrade
),
379 UBUS_METHOD("watchdog", watchdog_set
, watchdog_policy
),
380 UBUS_METHOD("signal", proc_signal
, signal_policy
),
382 /* must remain at the end as it ia not always loaded */
383 UBUS_METHOD("nandupgrade", nand_set
, nand_policy
),
386 static struct ubus_object_type system_object_type
=
387 UBUS_OBJECT_TYPE("system", system_methods
);
389 static struct ubus_object system_object
= {
391 .type
= &system_object_type
,
392 .methods
= system_methods
,
393 .n_methods
= ARRAY_SIZE(system_methods
),
394 .subscribe_cb
= procd_subscribe_cb
,
398 procd_bcast_event(char *event
, struct blob_attr
*msg
)
405 ret
= ubus_notify(_ctx
, &system_object
, event
, msg
, -1);
407 fprintf(stderr
, "Failed to notify log: %s\n", ubus_strerror(ret
));
410 void ubus_init_system(struct ubus_context
*ctx
)
415 if (stat("/sbin/upgraded", &s
))
416 system_object
.n_methods
-= 1;
419 ret
= ubus_add_object(ctx
, &system_object
);
421 ERROR("Failed to add object: %s\n", ubus_strerror(ret
));