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
},
53 static const struct blobmsg_policy rpc_packagelist_policy
[__RPC_PACKAGELIST_MAX
] = {
54 [RPC_PACKAGELIST_ALL
] = { .name
= "all", .type
= BLOBMSG_TYPE_BOOL
},
58 rpc_errno_status(void)
63 return UBUS_STATUS_PERMISSION_DENIED
;
66 return UBUS_STATUS_INVALID_ARGUMENT
;
69 return UBUS_STATUS_NOT_FOUND
;
72 return UBUS_STATUS_INVALID_ARGUMENT
;
75 return UBUS_STATUS_UNKNOWN_ERROR
;
80 rpc_cgi_password_set(struct ubus_context
*ctx
, struct ubus_object
*obj
,
81 struct ubus_request_data
*req
, const char *method
,
82 struct blob_attr
*msg
)
87 struct blob_attr
*tb
[__RPC_P_MAX
];
90 const char *const passwd
= "/bin/passwd";
92 blobmsg_parse(rpc_password_policy
, __RPC_P_MAX
, tb
,
93 blob_data(msg
), blob_len(msg
));
95 if (!tb
[RPC_P_USER
] || !tb
[RPC_P_PASSWORD
])
96 return UBUS_STATUS_INVALID_ARGUMENT
;
99 return UBUS_STATUS_NOT_FOUND
;
101 if (!(s
.st_mode
& S_IXUSR
))
102 return UBUS_STATUS_PERMISSION_DENIED
;
105 return rpc_errno_status();
107 switch ((pid
= fork()))
112 return rpc_errno_status();
121 if ((fd
= open("/dev/null", O_RDWR
)) > -1)
130 return rpc_errno_status();
132 if (execl(passwd
, passwd
,
133 blobmsg_data(tb
[RPC_P_USER
]), NULL
))
134 return rpc_errno_status();
139 n
= write(fds
[1], blobmsg_data(tb
[RPC_P_PASSWORD
]),
140 blobmsg_data_len(tb
[RPC_P_PASSWORD
]) - 1);
142 return rpc_errno_status();
144 n
= write(fds
[1], "\n", 1);
146 return rpc_errno_status();
150 n
= write(fds
[1], blobmsg_data(tb
[RPC_P_PASSWORD
]),
151 blobmsg_data_len(tb
[RPC_P_PASSWORD
]) - 1);
153 return rpc_errno_status();
154 n
= write(fds
[1], "\n", 1);
156 return rpc_errno_status();
160 waitpid(pid
, NULL
, 0);
167 rpc_sys_packagelist(struct ubus_context
*ctx
, struct ubus_object
*obj
,
168 struct ubus_request_data
*req
, const char *method
,
169 struct blob_attr
*msg
)
171 struct blob_attr
*tb
[__RPC_PACKAGELIST_MAX
];
173 struct blob_buf buf
= { 0 };
174 char var
[256], pkg
[128], ver
[128];
175 char *tmp
, *p1
, *p2
, *p3
;
178 blobmsg_parse(rpc_packagelist_policy
, __RPC_PACKAGELIST_MAX
, tb
,
179 blob_data(msg
), blob_len(msg
));
181 if (tb
[RPC_PACKAGELIST_ALL
] && blobmsg_get_bool(tb
[RPC_PACKAGELIST_ALL
]))
184 FILE *f
= fopen("/usr/lib/opkg/status", "r");
186 return UBUS_STATUS_NOT_FOUND
;
188 blob_buf_init(&buf
, 0);
189 tbl
= blobmsg_open_table(&buf
, "packages");
190 pkg
[0] = ver
[0] = '\0';
192 while(fgets(var
, sizeof(var
), f
)) {
193 p1
= strchr(var
, ' ');
199 p2
= strchr(p1
, ' ');
201 tmp
= strchr(p1
, '\n');
208 p3
= strchr(p2
, ' ');
210 tmp
= strchr(p2
, '\n');
217 tmp
= strchr(p3
, '\n');
225 if (!strcmp(var
, "Package:")) {
226 strncpy(pkg
, p1
, sizeof(pkg
));
230 if (!strcmp(var
, "Version:")) {
231 strncpy(ver
, p1
, sizeof(ver
));
236 !strcmp(var
, "Status:") &&
237 !strcmp(p1
, "install") &&
238 (all
|| strstr(p2
, "user")) &&
239 !strcmp(p3
, "installed") && pkg
[0] && ver
[0]) {
240 blobmsg_add_string(&buf
, pkg
, ver
);
241 pkg
[0] = ver
[0] = '\0';
245 blobmsg_close_table(&buf
, tbl
);
246 ubus_send_reply(ctx
, req
, buf
.head
);
254 rpc_sys_upgrade_test(struct ubus_context
*ctx
, struct ubus_object
*obj
,
255 struct ubus_request_data
*req
, const char *method
,
256 struct blob_attr
*msg
)
258 const char *cmd
[4] = { "sysupgrade", "--test", "/tmp/firmware.bin", NULL
};
259 return ops
->exec(cmd
, NULL
, NULL
, NULL
, NULL
, NULL
, ctx
, req
);
263 rpc_sys_upgrade_start(struct ubus_context
*ctx
, struct ubus_object
*obj
,
264 struct ubus_request_data
*req
, const char *method
,
265 struct blob_attr
*msg
)
267 struct blob_attr
*tb
[__RPC_UPGRADE_MAX
];
268 char * const cmd
[4] = { "/sbin/sysupgrade", "-n", "/tmp/firmware.bin", NULL
};
269 char * const cmd_keep
[3] = { "/sbin/sysupgrade", "/tmp/firmware.bin", NULL
};
270 char * const * c
= cmd
;
272 blobmsg_parse(rpc_upgrade_policy
, __RPC_UPGRADE_MAX
, tb
,
273 blob_data(msg
), blob_len(msg
));
275 if (tb
[RPC_UPGRADE_KEEP
] && blobmsg_get_bool(tb
[RPC_UPGRADE_KEEP
]))
279 /* wait for the RPC call to complete */
281 return execv(c
[0], c
);
288 rpc_sys_upgrade_clean(struct ubus_context
*ctx
, struct ubus_object
*obj
,
289 struct ubus_request_data
*req
, const char *method
,
290 struct blob_attr
*msg
)
292 if (unlink("/tmp/firmware.bin"))
293 return rpc_errno_status();
299 rpc_sys_factory(struct ubus_context
*ctx
, struct ubus_object
*obj
,
300 struct ubus_request_data
*req
, const char *method
,
301 struct blob_attr
*msg
)
303 char * const cmd
[4] = { "/sbin/jffs2reset", "-y", "-r", NULL
};
306 /* wait for the RPC call to complete */
308 return execv(cmd
[0], cmd
);
315 rpc_sys_reboot(struct ubus_context
*ctx
, struct ubus_object
*obj
,
316 struct ubus_request_data
*req
, const char *method
,
317 struct blob_attr
*msg
)
331 rpc_sys_api_init(const struct rpc_daemon_ops
*o
, struct ubus_context
*ctx
)
333 static const struct ubus_method sys_methods
[] = {
334 UBUS_METHOD("packagelist", rpc_sys_packagelist
, rpc_packagelist_policy
),
335 UBUS_METHOD("password_set", rpc_cgi_password_set
, rpc_password_policy
),
336 UBUS_METHOD_NOARG("upgrade_test", rpc_sys_upgrade_test
),
337 UBUS_METHOD("upgrade_start", rpc_sys_upgrade_start
,
339 UBUS_METHOD_NOARG("upgrade_clean", rpc_sys_upgrade_clean
),
340 UBUS_METHOD_NOARG("factory", rpc_sys_factory
),
341 UBUS_METHOD_NOARG("reboot", rpc_sys_reboot
),
344 static struct ubus_object_type sys_type
=
345 UBUS_OBJECT_TYPE("luci-rpc-sys", sys_methods
);
347 static struct ubus_object obj
= {
350 .methods
= sys_methods
,
351 .n_methods
= ARRAY_SIZE(sys_methods
),
356 return ubus_add_object(ctx
, &obj
);
359 struct rpc_plugin rpc_plugin
= {
360 .init
= rpc_sys_api_init