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
];
81 const char *const passwd
= "/bin/passwd";
83 blobmsg_parse(rpc_password_policy
, __RPC_P_MAX
, tb
,
84 blob_data(msg
), blob_len(msg
));
86 if (!tb
[RPC_P_USER
] || !tb
[RPC_P_PASSWORD
])
87 return UBUS_STATUS_INVALID_ARGUMENT
;
90 return UBUS_STATUS_NOT_FOUND
;
92 if (!(s
.st_mode
& S_IXUSR
))
93 return UBUS_STATUS_PERMISSION_DENIED
;
96 return rpc_errno_status();
98 switch ((pid
= fork()))
103 return rpc_errno_status();
112 if ((fd
= open("/dev/null", O_RDWR
)) > -1)
121 return rpc_errno_status();
123 if (execl(passwd
, passwd
,
124 blobmsg_data(tb
[RPC_P_USER
]), NULL
))
125 return rpc_errno_status();
130 n
= write(fds
[1], blobmsg_data(tb
[RPC_P_PASSWORD
]),
131 blobmsg_data_len(tb
[RPC_P_PASSWORD
]) - 1);
133 return rpc_errno_status();
135 n
= write(fds
[1], "\n", 1);
137 return rpc_errno_status();
141 n
= write(fds
[1], blobmsg_data(tb
[RPC_P_PASSWORD
]),
142 blobmsg_data_len(tb
[RPC_P_PASSWORD
]) - 1);
144 return rpc_errno_status();
145 n
= write(fds
[1], "\n", 1);
147 return rpc_errno_status();
151 waitpid(pid
, NULL
, 0);
158 rpc_sys_packagelist(struct ubus_context
*ctx
, struct ubus_object
*obj
,
159 struct ubus_request_data
*req
, const char *method
,
160 struct blob_attr
*msg
)
162 struct blob_buf buf
= { 0 };
163 char var
[256], pkg
[128], ver
[128];
164 char *tmp
, *p1
, *p2
, *p3
;
167 FILE *f
= fopen("/usr/lib/opkg/status", "r");
169 return UBUS_STATUS_NOT_FOUND
;
171 blob_buf_init(&buf
, 0);
172 tbl
= blobmsg_open_table(&buf
, "packages");
173 pkg
[0] = ver
[0] = '\0';
175 while(fgets(var
, sizeof(var
), f
)) {
176 p1
= strchr(var
, ' ');
182 p2
= strchr(p1
, ' ');
184 tmp
= strchr(p1
, '\n');
191 p3
= strchr(p2
, ' ');
193 tmp
= strchr(p2
, '\n');
200 tmp
= strchr(p3
, '\n');
208 if (!strcmp(var
, "Package:")) {
209 strncpy(pkg
, p1
, sizeof(pkg
));
213 if (!strcmp(var
, "Version:")) {
214 strncpy(ver
, p1
, sizeof(ver
));
219 !strcmp(var
, "Status:") &&
220 !strcmp(p1
, "install") &&
221 !strcmp(p2
, "user") &&
222 !strcmp(p3
, "installed") && pkg
[0] && ver
[0]) {
223 blobmsg_add_string(&buf
, pkg
, ver
);
224 pkg
[0] = ver
[0] = '\0';
228 blobmsg_close_table(&buf
, tbl
);
229 ubus_send_reply(ctx
, req
, buf
.head
);
237 rpc_sys_upgrade_test(struct ubus_context
*ctx
, struct ubus_object
*obj
,
238 struct ubus_request_data
*req
, const char *method
,
239 struct blob_attr
*msg
)
241 const char *cmd
[4] = { "sysupgrade", "--test", "/tmp/firmware.bin", NULL
};
242 return ops
->exec(cmd
, NULL
, NULL
, NULL
, NULL
, NULL
, ctx
, req
);
246 rpc_sys_upgrade_start(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
[__RPC_UPGRADE_MAX
];
251 char * const cmd
[4] = { "/sbin/sysupgrade", "-n", "/tmp/firmware.bin", NULL
};
252 char * const cmd_keep
[3] = { "/sbin/sysupgrade", "/tmp/firmware.bin", NULL
};
253 char * const * c
= cmd
;
255 blobmsg_parse(rpc_upgrade_policy
, __RPC_UPGRADE_MAX
, tb
,
256 blob_data(msg
), blob_len(msg
));
258 if (tb
[RPC_UPGRADE_KEEP
] && blobmsg_get_bool(tb
[RPC_UPGRADE_KEEP
]))
262 /* wait for the RPC call to complete */
264 return execv(c
[0], c
);
271 rpc_sys_upgrade_clean(struct ubus_context
*ctx
, struct ubus_object
*obj
,
272 struct ubus_request_data
*req
, const char *method
,
273 struct blob_attr
*msg
)
275 if (unlink("/tmp/firmware.bin"))
276 return rpc_errno_status();
282 rpc_sys_factory(struct ubus_context
*ctx
, struct ubus_object
*obj
,
283 struct ubus_request_data
*req
, const char *method
,
284 struct blob_attr
*msg
)
286 char * const cmd
[4] = { "/sbin/jffs2reset", "-y", "-r", NULL
};
289 /* wait for the RPC call to complete */
291 return execv(cmd
[0], cmd
);
298 rpc_sys_reboot(struct ubus_context
*ctx
, struct ubus_object
*obj
,
299 struct ubus_request_data
*req
, const char *method
,
300 struct blob_attr
*msg
)
314 rpc_sys_api_init(const struct rpc_daemon_ops
*o
, struct ubus_context
*ctx
)
316 static const struct ubus_method sys_methods
[] = {
317 UBUS_METHOD_NOARG("packagelist", rpc_sys_packagelist
),
318 UBUS_METHOD("password_set", rpc_cgi_password_set
, rpc_password_policy
),
319 UBUS_METHOD_NOARG("upgrade_test", rpc_sys_upgrade_test
),
320 UBUS_METHOD("upgrade_start", rpc_sys_upgrade_start
,
322 UBUS_METHOD_NOARG("upgrade_clean", rpc_sys_upgrade_clean
),
323 UBUS_METHOD_NOARG("factory", rpc_sys_factory
),
324 UBUS_METHOD_NOARG("reboot", rpc_sys_reboot
),
327 static struct ubus_object_type sys_type
=
328 UBUS_OBJECT_TYPE("luci-rpc-sys", sys_methods
);
330 static struct ubus_object obj
= {
333 .methods
= sys_methods
,
334 .n_methods
= ARRAY_SIZE(sys_methods
),
339 return ubus_add_object(ctx
, &obj
);
342 struct rpc_plugin rpc_plugin
= {
343 .init
= rpc_sys_api_init