2 * rpcd - UBUS RPC server
4 * Copyright (C) 2013-2014 Jo-Philipp Wich <jow@openwrt.org>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <rpcd/exec.h>
22 #include <rpcd/plugin.h>
23 #include <rpcd/session.h>
24 #include <sys/reboot.h>
26 static const struct rpc_daemon_ops
*ops
;
34 static const struct blobmsg_policy rpc_password_policy
[__RPC_P_MAX
] = {
35 [RPC_P_USER
] = { .name
= "user", .type
= BLOBMSG_TYPE_STRING
},
36 [RPC_P_PASSWORD
] = { .name
= "password", .type
= BLOBMSG_TYPE_STRING
},
44 static const struct blobmsg_policy rpc_upgrade_policy
[__RPC_UPGRADE_MAX
] = {
45 [RPC_UPGRADE_KEEP
] = { .name
= "keep", .type
= BLOBMSG_TYPE_BOOL
},
49 rpc_errno_status(void)
54 return UBUS_STATUS_PERMISSION_DENIED
;
57 return UBUS_STATUS_INVALID_ARGUMENT
;
60 return UBUS_STATUS_NOT_FOUND
;
63 return UBUS_STATUS_INVALID_ARGUMENT
;
66 return UBUS_STATUS_UNKNOWN_ERROR
;
71 rpc_cgi_password_set(struct ubus_context
*ctx
, struct ubus_object
*obj
,
72 struct ubus_request_data
*req
, const char *method
,
73 struct blob_attr
*msg
)
78 struct blob_attr
*tb
[__RPC_P_MAX
];
82 blobmsg_parse(rpc_password_policy
, __RPC_P_MAX
, tb
,
83 blob_data(msg
), blob_len(msg
));
85 if (!tb
[RPC_P_USER
] || !tb
[RPC_P_PASSWORD
])
86 return UBUS_STATUS_INVALID_ARGUMENT
;
88 if (stat("/usr/bin/passwd", &s
))
89 return UBUS_STATUS_NOT_FOUND
;
91 if (!(s
.st_mode
& S_IXUSR
))
92 return UBUS_STATUS_PERMISSION_DENIED
;
95 return rpc_errno_status();
97 switch ((pid
= fork()))
102 return rpc_errno_status();
111 if ((fd
= open("/dev/null", O_RDWR
)) > -1)
120 return rpc_errno_status();
122 if (execl("/usr/bin/passwd", "/usr/bin/passwd",
123 blobmsg_data(tb
[RPC_P_USER
]), NULL
))
124 return rpc_errno_status();
129 n
= write(fds
[1], blobmsg_data(tb
[RPC_P_PASSWORD
]),
130 blobmsg_data_len(tb
[RPC_P_PASSWORD
]) - 1);
132 return rpc_errno_status();
134 n
= write(fds
[1], "\n", 1);
136 return rpc_errno_status();
140 n
= write(fds
[1], blobmsg_data(tb
[RPC_P_PASSWORD
]),
141 blobmsg_data_len(tb
[RPC_P_PASSWORD
]) - 1);
143 return rpc_errno_status();
144 n
= write(fds
[1], "\n", 1);
146 return rpc_errno_status();
150 waitpid(pid
, NULL
, 0);
157 rpc_sys_packagelist(struct ubus_context
*ctx
, struct ubus_object
*obj
,
158 struct ubus_request_data
*req
, const char *method
,
159 struct blob_attr
*msg
)
161 struct blob_buf buf
= { 0 };
162 char var
[256], pkg
[128], ver
[128];
163 char *tmp
, *p1
, *p2
, *p3
;
166 FILE *f
= fopen("/usr/lib/opkg/status", "r");
168 return UBUS_STATUS_NOT_FOUND
;
170 blob_buf_init(&buf
, 0);
171 tbl
= blobmsg_open_table(&buf
, "packages");
172 pkg
[0] = ver
[0] = '\0';
174 while(fgets(var
, sizeof(var
), f
)) {
175 p1
= strchr(var
, ' ');
181 p2
= strchr(p1
, ' ');
183 tmp
= strchr(p1
, '\n');
190 p3
= strchr(p2
, ' ');
192 tmp
= strchr(p2
, '\n');
199 tmp
= strchr(p3
, '\n');
207 if (!strcmp(var
, "Package:")) {
208 strncpy(pkg
, p1
, sizeof(pkg
));
212 if (!strcmp(var
, "Version:")) {
213 strncpy(ver
, p1
, sizeof(ver
));
218 !strcmp(var
, "Status:") &&
219 !strcmp(p1
, "install") &&
220 !strcmp(p2
, "user") &&
221 !strcmp(p3
, "installed") && pkg
[0] && ver
[0]) {
222 blobmsg_add_string(&buf
, pkg
, ver
);
223 pkg
[0] = ver
[0] = '\0';
227 blobmsg_close_table(&buf
, tbl
);
228 ubus_send_reply(ctx
, req
, buf
.head
);
235 rpc_sys_upgrade_test(struct ubus_context
*ctx
, struct ubus_object
*obj
,
236 struct ubus_request_data
*req
, const char *method
,
237 struct blob_attr
*msg
)
239 const char *cmd
[4] = { "sysupgrade", "--test", "/tmp/firmware.bin", NULL
};
240 return ops
->exec(cmd
, NULL
, NULL
, NULL
, NULL
, NULL
, ctx
, req
);
244 rpc_sys_upgrade_start(struct ubus_context
*ctx
, struct ubus_object
*obj
,
245 struct ubus_request_data
*req
, const char *method
,
246 struct blob_attr
*msg
)
248 struct blob_attr
*tb
[__RPC_UPGRADE_MAX
];
249 char * const cmd
[4] = { "/sbin/sysupgrade", "-n", "/tmp/firmware.bin", NULL
};
250 char * const cmd_keep
[3] = { "/sbin/sysupgrade", "/tmp/firmware.bin", NULL
};
251 char * const * c
= cmd
;
253 blobmsg_parse(rpc_upgrade_policy
, __RPC_UPGRADE_MAX
, tb
,
254 blob_data(msg
), blob_len(msg
));
256 if (tb
[RPC_UPGRADE_KEEP
] && blobmsg_get_bool(tb
[RPC_UPGRADE_KEEP
]))
260 /* wait for the RPC call to complete */
262 return execv(c
[0], c
);
269 rpc_sys_upgrade_clean(struct ubus_context
*ctx
, struct ubus_object
*obj
,
270 struct ubus_request_data
*req
, const char *method
,
271 struct blob_attr
*msg
)
273 if (unlink("/tmp/firmware.bin"))
274 return rpc_errno_status();
280 rpc_sys_factory(struct ubus_context
*ctx
, struct ubus_object
*obj
,
281 struct ubus_request_data
*req
, const char *method
,
282 struct blob_attr
*msg
)
284 char * const cmd
[4] = { "/sbin/jffs2reset", "-y", "-r", NULL
};
287 /* wait for the RPC call to complete */
289 return execv(cmd
[0], cmd
);
296 rpc_sys_reboot(struct ubus_context
*ctx
, struct ubus_object
*obj
,
297 struct ubus_request_data
*req
, const char *method
,
298 struct blob_attr
*msg
)
312 rpc_sys_api_init(const struct rpc_daemon_ops
*o
, struct ubus_context
*ctx
)
314 static const struct ubus_method sys_methods
[] = {
315 UBUS_METHOD_NOARG("packagelist", rpc_sys_packagelist
),
316 UBUS_METHOD("password_set", rpc_cgi_password_set
, rpc_password_policy
),
317 UBUS_METHOD_NOARG("upgrade_test", rpc_sys_upgrade_test
),
318 UBUS_METHOD("upgrade_start", rpc_sys_upgrade_start
,
320 UBUS_METHOD_NOARG("upgrade_clean", rpc_sys_upgrade_clean
),
321 UBUS_METHOD_NOARG("factory", rpc_sys_factory
),
322 UBUS_METHOD_NOARG("reboot", rpc_sys_reboot
),
325 static struct ubus_object_type sys_type
=
326 UBUS_OBJECT_TYPE("luci-rpc-sys", sys_methods
);
328 static struct ubus_object obj
= {
331 .methods
= sys_methods
,
332 .n_methods
= ARRAY_SIZE(sys_methods
),
337 return ubus_add_object(ctx
, &obj
);
340 struct rpc_plugin rpc_plugin
= {
341 .init
= rpc_sys_api_init