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
];
80 blobmsg_parse(rpc_password_policy
, __RPC_P_MAX
, tb
,
81 blob_data(msg
), blob_len(msg
));
83 if (!tb
[RPC_P_USER
] || !tb
[RPC_P_PASSWORD
])
84 return UBUS_STATUS_INVALID_ARGUMENT
;
86 if (stat("/usr/bin/passwd", &s
))
87 return UBUS_STATUS_NOT_FOUND
;
89 if (!(s
.st_mode
& S_IXUSR
))
90 return UBUS_STATUS_PERMISSION_DENIED
;
93 return rpc_errno_status();
95 switch ((pid
= fork()))
100 return rpc_errno_status();
109 if ((fd
= open("/dev/null", O_RDWR
)) > -1)
118 if (execl("/usr/bin/passwd", "/usr/bin/passwd",
119 blobmsg_data(tb
[RPC_P_USER
]), NULL
))
120 return rpc_errno_status();
125 write(fds
[1], blobmsg_data(tb
[RPC_P_PASSWORD
]),
126 blobmsg_data_len(tb
[RPC_P_PASSWORD
]) - 1);
127 write(fds
[1], "\n", 1);
131 write(fds
[1], blobmsg_data(tb
[RPC_P_PASSWORD
]),
132 blobmsg_data_len(tb
[RPC_P_PASSWORD
]) - 1);
133 write(fds
[1], "\n", 1);
137 waitpid(pid
, NULL
, 0);
144 rpc_sys_upgrade_test(struct ubus_context
*ctx
, struct ubus_object
*obj
,
145 struct ubus_request_data
*req
, const char *method
,
146 struct blob_attr
*msg
)
148 const char *cmd
[4] = { "sysupgrade", "--test", "/tmp/firmware.bin", NULL
};
149 return ops
->exec(cmd
, NULL
, NULL
, NULL
, NULL
, NULL
, ctx
, req
);
153 rpc_sys_upgrade_start(struct ubus_context
*ctx
, struct ubus_object
*obj
,
154 struct ubus_request_data
*req
, const char *method
,
155 struct blob_attr
*msg
)
157 struct blob_attr
*tb
[__RPC_UPGRADE_MAX
];
158 char * const cmd
[4] = { "/sbin/sysupgrade", "-n", "/tmp/firmware.bin", NULL
};
159 char * const cmd_keep
[3] = { "/sbin/sysupgrade", "/tmp/firmware.bin", NULL
};
160 char * const * c
= cmd
;
162 blobmsg_parse(rpc_upgrade_policy
, __RPC_UPGRADE_MAX
, tb
,
163 blob_data(msg
), blob_len(msg
));
165 if (tb
[RPC_UPGRADE_KEEP
] && blobmsg_get_bool(tb
[RPC_UPGRADE_KEEP
]))
169 /* wait for the RPC call to complete */
171 return execv(c
[0], c
);
178 rpc_sys_upgrade_clean(struct ubus_context
*ctx
, struct ubus_object
*obj
,
179 struct ubus_request_data
*req
, const char *method
,
180 struct blob_attr
*msg
)
182 if (unlink("/tmp/firmware.bin"))
183 return rpc_errno_status();
189 rpc_sys_factory(struct ubus_context
*ctx
, struct ubus_object
*obj
,
190 struct ubus_request_data
*req
, const char *method
,
191 struct blob_attr
*msg
)
193 char * const cmd
[4] = { "/sbin/jffs2reset", "-y", "-r", NULL
};
196 /* wait for the RPC call to complete */
198 return execv(cmd
[0], cmd
);
205 rpc_sys_reboot(struct ubus_context
*ctx
, struct ubus_object
*obj
,
206 struct ubus_request_data
*req
, const char *method
,
207 struct blob_attr
*msg
)
221 rpc_sys_api_init(const struct rpc_daemon_ops
*o
, struct ubus_context
*ctx
)
223 static const struct ubus_method sys_methods
[] = {
224 UBUS_METHOD("password_set", rpc_cgi_password_set
, rpc_password_policy
),
225 UBUS_METHOD_NOARG("upgrade_test", rpc_sys_upgrade_test
),
226 UBUS_METHOD("upgrade_start", rpc_sys_upgrade_start
,
228 UBUS_METHOD_NOARG("upgrade_clean", rpc_sys_upgrade_clean
),
229 UBUS_METHOD_NOARG("factory", rpc_sys_factory
),
230 UBUS_METHOD_NOARG("reboot", rpc_sys_reboot
),
233 static struct ubus_object_type sys_type
=
234 UBUS_OBJECT_TYPE("luci-rpc-sys", sys_methods
);
236 static struct ubus_object obj
= {
239 .methods
= sys_methods
,
240 .n_methods
= ARRAY_SIZE(sys_methods
),
245 return ubus_add_object(ctx
, &obj
);
248 struct rpc_plugin rpc_plugin
= {
249 .init
= rpc_sys_api_init