2 * rpcd - UBUS RPC server
4 * Copyright (C) 2013-2014 Jo-Philipp Wich <jow@openwrt.org>
5 * Copyright (C) 2016 Luka Perkov <luka@openwrt.org>
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
33 #include <libubox/blobmsg.h>
34 #include <libubox/md5.h>
35 #include <libubox/ustream.h>
36 #include <libubox/utils.h>
38 #include <rpcd/plugin.h>
40 /* limit of sys & proc files */
41 #define RPC_FILE_MIN_SIZE (4096)
43 /* limit of regular files and command output data */
44 #define RPC_FILE_MAX_SIZE (4096 * 64)
46 /* limit of command line length for exec acl checks */
47 #define RPC_CMDLINE_MAX_SIZE (1024)
49 #define ustream_for_each_read_buffer(stream, ptr, len) \
50 for (ptr = ustream_get_read_buf(stream, &len); \
51 ptr != NULL && len > 0; \
52 ustream_consume(stream, len), ptr = ustream_get_read_buf(stream, &len))
54 #define ustream_declare(us, fd, name) \
55 us.stream.string_data = true; \
56 us.stream.r.buffer_len = 4096; \
57 us.stream.r.max_buffers = RPC_FILE_MAX_SIZE / 4096; \
58 us.stream.notify_read = rpc_file_##name##_read_cb; \
59 us.stream.notify_state = rpc_file_##name##_state_cb; \
60 ustream_fd_init(&us, fd);
62 static const struct rpc_daemon_ops
*ops
;
64 struct rpc_file_exec_context
{
65 struct ubus_context
*context
;
66 struct ubus_request_data request
;
67 struct uloop_timeout timeout
;
68 struct uloop_process process
;
69 struct ustream_fd opipe
;
70 struct ustream_fd epipe
;
75 static struct blob_buf buf
;
76 static char *canonpath
;
77 static char cmdstr
[RPC_CMDLINE_MAX_SIZE
];
85 static const struct blobmsg_policy rpc_file_R_policy
[__RPC_F_R_MAX
] = {
86 [RPC_F_R_PATH
] = { .name
= "path", .type
= BLOBMSG_TYPE_STRING
},
87 [RPC_F_R_SESSION
] = { .name
= "ubus_rpc_session",
88 .type
= BLOBMSG_TYPE_STRING
},
98 static const struct blobmsg_policy rpc_file_RB_policy
[__RPC_F_RB_MAX
] = {
99 [RPC_F_RB_PATH
] = { .name
= "path", .type
= BLOBMSG_TYPE_STRING
},
100 [RPC_F_RB_BASE64
] = { .name
= "base64", .type
= BLOBMSG_TYPE_BOOL
},
101 [RPC_F_RB_SESSION
] = { .name
= "ubus_rpc_session",
102 .type
= BLOBMSG_TYPE_STRING
},
115 static const struct blobmsg_policy rpc_file_RW_policy
[__RPC_F_RW_MAX
] = {
116 [RPC_F_RW_PATH
] = { .name
= "path", .type
= BLOBMSG_TYPE_STRING
},
117 [RPC_F_RW_DATA
] = { .name
= "data", .type
= BLOBMSG_TYPE_STRING
},
118 [RPC_F_RW_APPEND
] = { .name
= "append", .type
= BLOBMSG_TYPE_BOOL
},
119 [RPC_F_RW_MODE
] = { .name
= "mode", .type
= BLOBMSG_TYPE_INT32
},
120 [RPC_F_RW_BASE64
] = { .name
= "base64", .type
= BLOBMSG_TYPE_BOOL
},
121 [RPC_F_RW_SESSION
] = { .name
= "ubus_rpc_session",
122 .type
= BLOBMSG_TYPE_STRING
},
133 static const struct blobmsg_policy rpc_exec_policy
[__RPC_E_MAX
] = {
134 [RPC_E_CMD
] = { .name
= "command", .type
= BLOBMSG_TYPE_STRING
},
135 [RPC_E_PARM
] = { .name
= "params", .type
= BLOBMSG_TYPE_ARRAY
},
136 [RPC_E_ENV
] = { .name
= "env", .type
= BLOBMSG_TYPE_TABLE
},
137 [RPC_E_SESSION
] = { .name
= "ubus_rpc_session",
138 .type
= BLOBMSG_TYPE_STRING
},
141 static const char *d_types
[] = {
144 [DT_DIR
] = "directory",
146 [DT_LNK
] = "symlink",
148 [DT_SOCK
] = "socket",
149 [DT_UNKNOWN
] = "unknown",
154 rpc_errno_status(void)
159 return UBUS_STATUS_PERMISSION_DENIED
;
162 return UBUS_STATUS_INVALID_ARGUMENT
;
165 return UBUS_STATUS_NOT_FOUND
;
168 return UBUS_STATUS_INVALID_ARGUMENT
;
171 return UBUS_STATUS_UNKNOWN_ERROR
;
176 rpc_file_access(const struct blob_attr
*sid
,
177 const char *path
, const char *perm
)
182 return ops
->session_access(blobmsg_data(sid
), "file", path
, perm
);
186 rpc_canonicalize_path(const char *path
)
191 if (path
== NULL
|| *path
== '\0')
194 if (canonpath
!= NULL
)
197 canonpath
= strdup(path
);
199 if (canonpath
== NULL
)
203 for (cp
= canonpath
, p
= path
; *p
!= '\0'; ) {
207 /* skip repeating / */
216 if ((p
[2] == '\0') || (p
[2] == '/')) {
221 /* collapse /x/../ */
222 if ((p
[2] == '.') && ((p
[3] == '\0') || (p
[3] == '/'))) {
223 while ((cp
> canonpath
) && (*--cp
!= '/'))
235 /* remove trailing slash if not root / */
236 if ((cp
> canonpath
+ 1) && (cp
[-1] == '/'))
238 else if (cp
== canonpath
)
246 static struct blob_attr
**
247 __rpc_check_path(const struct blobmsg_policy
*policy
, size_t policy_len
,
248 int policy_path_idx
, int policy_sid_idx
, const char *perm
,
249 struct blob_attr
*msg
, char **path
, struct stat
*s
)
251 static struct blob_attr
*tb
[__RPC_F_RW_MAX
]; /* largest _MAX constant */
253 blobmsg_parse(policy
, policy_len
, tb
, blob_data(msg
), blob_len(msg
));
255 if (!tb
[policy_path_idx
])
261 *path
= rpc_canonicalize_path(blobmsg_get_string(tb
[policy_path_idx
]));
269 if (!rpc_file_access(tb
[policy_sid_idx
], *path
, perm
))
275 if (s
!= NULL
&& stat(*path
, s
) != 0)
281 #define rpc_check_path(msg, policy_selector, perm, path, s) \
282 __rpc_check_path(rpc_file_ ## policy_selector ## _policy, \
283 ARRAY_SIZE(rpc_file_ ## policy_selector ## _policy), \
284 RPC_F_ ## policy_selector ## _PATH, \
285 RPC_F_ ## policy_selector ## _SESSION, \
289 rpc_file_read(struct ubus_context
*ctx
, struct ubus_object
*obj
,
290 struct ubus_request_data
*req
, const char *method
,
291 struct blob_attr
*msg
)
293 struct blob_attr
**tb
;
301 tb
= rpc_check_path(msg
, RB
, "read", &path
, &s
);
304 return rpc_errno_status();
306 if (s
.st_size
>= RPC_FILE_MAX_SIZE
)
307 return UBUS_STATUS_NOT_SUPPORTED
;
309 if ((fd
= open(path
, O_RDONLY
)) < 0)
310 return rpc_errno_status();
312 /* some sysfs files do not report a length */
314 s
.st_size
= RPC_FILE_MIN_SIZE
;
316 blob_buf_init(&buf
, 0);
318 if (tb
[RPC_F_RB_BASE64
])
319 base64
= blobmsg_get_bool(tb
[RPC_F_RB_BASE64
]);
323 len
= B64_ENCODE_LEN(s
.st_size
);
324 wbuf
= blobmsg_alloc_string_buffer(&buf
, "data", len
);
328 rv
= UBUS_STATUS_UNKNOWN_ERROR
;
332 if ((len
= read(fd
, wbuf
, s
.st_size
)) <= 0)
334 rv
= UBUS_STATUS_NO_DATA
;
340 uint8_t *data
= calloc(len
, sizeof(uint8_t));
343 rv
= UBUS_STATUS_UNKNOWN_ERROR
;
346 memcpy(data
, wbuf
, len
);
348 len
= b64_encode(data
, len
, wbuf
, B64_ENCODE_LEN(len
));
352 rv
= UBUS_STATUS_UNKNOWN_ERROR
;
357 *(wbuf
+ len
) = '\0';
358 blobmsg_add_string_buffer(&buf
);
360 ubus_send_reply(ctx
, req
, buf
.head
);
370 rpc_file_write(struct ubus_context
*ctx
, struct ubus_object
*obj
,
371 struct ubus_request_data
*req
, const char *method
,
372 struct blob_attr
*msg
)
374 struct blob_attr
**tb
;
375 int append
= O_TRUNC
;
376 mode_t prev_mode
, mode
= 0666;
380 ssize_t data_len
= 0;
382 tb
= rpc_check_path(msg
, RW
, "write", &path
, NULL
);
385 return rpc_errno_status();
387 if (!tb
[RPC_F_RW_DATA
])
388 return UBUS_STATUS_INVALID_ARGUMENT
;
390 data
= blobmsg_data(tb
[RPC_F_RW_DATA
]);
391 data_len
= blobmsg_data_len(tb
[RPC_F_RW_DATA
]) - 1;
393 if (tb
[RPC_F_RW_APPEND
] && blobmsg_get_bool(tb
[RPC_F_RW_APPEND
]))
396 if (tb
[RPC_F_RW_MODE
])
397 mode
= blobmsg_get_u32(tb
[RPC_F_RW_MODE
]);
399 prev_mode
= umask(0);
400 fd
= open(path
, O_CREAT
| O_WRONLY
| append
, mode
);
403 return rpc_errno_status();
405 if (tb
[RPC_F_RW_BASE64
] && blobmsg_get_bool(tb
[RPC_F_RW_BASE64
]))
407 data_len
= b64_decode(data
, data
, data_len
);
410 rv
= UBUS_STATUS_UNKNOWN_ERROR
;
415 if (write(fd
, data
, data_len
) < 0)
426 return rpc_errno_status();
432 rpc_file_md5(struct ubus_context
*ctx
, struct ubus_object
*obj
,
433 struct ubus_request_data
*req
, const char *method
,
434 struct blob_attr
*msg
)
442 if (!rpc_check_path(msg
, R
, "read", &path
, &s
))
443 return rpc_errno_status();
445 if (!S_ISREG(s
.st_mode
))
446 return UBUS_STATUS_NOT_SUPPORTED
;
448 if ((rv
= md5sum(path
, md5
)) <= 0)
449 return rpc_errno_status();
451 blob_buf_init(&buf
, 0);
452 wbuf
= blobmsg_alloc_string_buffer(&buf
, "md5", 33);
454 for (i
= 0; i
< 16; i
++)
455 sprintf(wbuf
+ (i
* 2), "%02x", (uint8_t) md5
[i
]);
457 blobmsg_add_string_buffer(&buf
);
458 ubus_send_reply(ctx
, req
, buf
.head
);
461 return UBUS_STATUS_OK
;
465 _rpc_file_add_stat(struct stat
*s
)
469 type
= S_ISREG(s
->st_mode
) ? DT_REG
:
470 S_ISDIR(s
->st_mode
) ? DT_DIR
:
471 S_ISCHR(s
->st_mode
) ? DT_CHR
:
472 S_ISBLK(s
->st_mode
) ? DT_BLK
:
473 S_ISFIFO(s
->st_mode
) ? DT_FIFO
:
474 S_ISLNK(s
->st_mode
) ? DT_LNK
:
475 S_ISSOCK(s
->st_mode
) ? DT_SOCK
:
478 blobmsg_add_string(&buf
, "type", d_types
[type
]);
479 blobmsg_add_u32(&buf
, "size", s
->st_size
);
480 blobmsg_add_u32(&buf
, "mode", s
->st_mode
);
481 blobmsg_add_u32(&buf
, "atime", s
->st_atime
);
482 blobmsg_add_u32(&buf
, "mtime", s
->st_mtime
);
483 blobmsg_add_u32(&buf
, "ctime", s
->st_ctime
);
484 blobmsg_add_u32(&buf
, "inode", s
->st_ino
);
485 blobmsg_add_u32(&buf
, "uid", s
->st_uid
);
486 blobmsg_add_u32(&buf
, "gid", s
->st_gid
);
490 rpc_file_list(struct ubus_context
*ctx
, struct ubus_object
*obj
,
491 struct ubus_request_data
*req
, const char *method
,
492 struct blob_attr
*msg
)
498 char *path
, *entrypath
;
500 if (!rpc_check_path(msg
, R
, "list", &path
, NULL
))
501 return rpc_errno_status();
503 if ((fd
= opendir(path
)) == NULL
)
504 return rpc_errno_status();
506 blob_buf_init(&buf
, 0);
507 c
= blobmsg_open_array(&buf
, "entries");
509 while ((e
= readdir(fd
)) != NULL
)
511 if (!strcmp(e
->d_name
, ".") || !strcmp(e
->d_name
, ".."))
514 if (asprintf(&entrypath
, "%s/%s", path
, e
->d_name
) < 0)
517 if (!stat(entrypath
, &s
))
519 d
= blobmsg_open_table(&buf
, NULL
);
520 blobmsg_add_string(&buf
, "name", e
->d_name
);
521 _rpc_file_add_stat(&s
);
522 blobmsg_close_table(&buf
, d
);
530 blobmsg_close_array(&buf
, c
);
531 ubus_send_reply(ctx
, req
, buf
.head
);
538 rpc_file_stat(struct ubus_context
*ctx
, struct ubus_object
*obj
,
539 struct ubus_request_data
*req
, const char *method
,
540 struct blob_attr
*msg
)
545 if (!rpc_check_path(msg
, R
, "list", &path
, &s
))
546 return rpc_errno_status();
548 blob_buf_init(&buf
, 0);
550 blobmsg_add_string(&buf
, "path", path
);
551 _rpc_file_add_stat(&s
);
553 ubus_send_reply(ctx
, req
, buf
.head
);
560 rpc_file_remove_recursive(const char *path
);
563 rpc_file_remove_recursive(const char *path
)
571 if ((fd
= opendir(path
)) == NULL
)
572 return rpc_errno_status();
574 for (e
= readdir(fd
); e
!= NULL
&& err
== 0; e
= readdir(fd
))
576 if (!strcmp(e
->d_name
, ".") || !strcmp(e
->d_name
, ".."))
579 if (asprintf(&entrypath
, "%s/%s", path
, e
->d_name
) >= 0)
581 if (!lstat(entrypath
, &s
))
583 if (S_ISDIR(s
.st_mode
))
584 err
= rpc_file_remove_recursive(entrypath
);
585 else if (unlink(entrypath
))
586 err
= rpc_errno_status();
593 err
= UBUS_STATUS_UNKNOWN_ERROR
;
599 if (!err
&& rmdir(path
))
600 return rpc_errno_status();
606 rpc_file_remove(struct ubus_context
*ctx
, struct ubus_object
*obj
,
607 struct ubus_request_data
*req
, const char *method
,
608 struct blob_attr
*msg
)
613 if (!rpc_check_path(msg
, R
, "write", &path
, NULL
))
614 return rpc_errno_status();
617 return rpc_errno_status();
619 if (S_ISDIR(s
.st_mode
))
620 return rpc_file_remove_recursive(path
);
623 return rpc_errno_status();
629 rpc_file_exec_lookup(const char *cmd
)
632 int plen
= 0, clen
= strlen(cmd
) + 1;
634 static char path
[PATH_MAX
];
636 if (!stat(cmd
, &s
) && S_ISREG(s
.st_mode
))
639 search
= getenv("PATH");
642 search
= "/bin:/usr/bin:/sbin:/usr/sbin";
648 if (*p
!= ':' && *p
!= '\0')
653 if ((plen
+ clen
) >= sizeof(path
))
656 strncpy(path
, search
, plen
);
657 sprintf(path
+ plen
, "/%s", cmd
);
659 if (!stat(path
, &s
) && S_ISREG(s
.st_mode
))
671 rpc_ustream_to_blobmsg(struct ustream
*s
, const char *name
)
676 if ((len
= ustream_pending_data(s
, false)) > 0)
678 wbuf
= blobmsg_alloc_string_buffer(&buf
, name
, len
+ 1);
683 ustream_for_each_read_buffer(s
, rbuf
, len
)
685 memcpy(wbuf
, rbuf
, len
);
690 blobmsg_add_string_buffer(&buf
);
695 rpc_file_exec_reply(struct rpc_file_exec_context
*c
, int rv
)
697 uloop_timeout_cancel(&c
->timeout
);
698 uloop_process_delete(&c
->process
);
700 if (rv
== UBUS_STATUS_OK
)
702 blob_buf_init(&buf
, 0);
704 blobmsg_add_u32(&buf
, "code", WEXITSTATUS(c
->stat
));
706 rpc_ustream_to_blobmsg(&c
->opipe
.stream
, "stdout");
707 rpc_ustream_to_blobmsg(&c
->epipe
.stream
, "stderr");
709 ubus_send_reply(c
->context
, &c
->request
, buf
.head
);
713 ubus_complete_deferred_request(c
->context
, &c
->request
, rv
);
715 ustream_free(&c
->opipe
.stream
);
716 ustream_free(&c
->epipe
.stream
);
718 close(c
->opipe
.fd
.fd
);
719 close(c
->epipe
.fd
.fd
);
725 rpc_file_exec_timeout_cb(struct uloop_timeout
*t
)
727 struct rpc_file_exec_context
*c
=
728 container_of(t
, struct rpc_file_exec_context
, timeout
);
730 kill(c
->process
.pid
, SIGKILL
);
731 rpc_file_exec_reply(c
, UBUS_STATUS_TIMEOUT
);
735 rpc_file_exec_process_cb(struct uloop_process
*p
, int stat
)
737 struct rpc_file_exec_context
*c
=
738 container_of(p
, struct rpc_file_exec_context
, process
);
742 ustream_poll(&c
->opipe
.stream
);
743 ustream_poll(&c
->epipe
.stream
);
747 rpc_file_exec_opipe_read_cb(struct ustream
*s
, int bytes
)
749 struct rpc_file_exec_context
*c
=
750 container_of(s
, struct rpc_file_exec_context
, opipe
.stream
);
752 if (ustream_read_buf_full(s
))
753 rpc_file_exec_reply(c
, UBUS_STATUS_NOT_SUPPORTED
);
757 rpc_file_exec_epipe_read_cb(struct ustream
*s
, int bytes
)
759 struct rpc_file_exec_context
*c
=
760 container_of(s
, struct rpc_file_exec_context
, epipe
.stream
);
762 if (ustream_read_buf_full(s
))
763 rpc_file_exec_reply(c
, UBUS_STATUS_NOT_SUPPORTED
);
767 rpc_file_exec_opipe_state_cb(struct ustream
*s
)
769 struct rpc_file_exec_context
*c
=
770 container_of(s
, struct rpc_file_exec_context
, opipe
.stream
);
772 if (c
->opipe
.stream
.eof
&& c
->epipe
.stream
.eof
)
773 rpc_file_exec_reply(c
, UBUS_STATUS_OK
);
777 rpc_file_exec_epipe_state_cb(struct ustream
*s
)
779 struct rpc_file_exec_context
*c
=
780 container_of(s
, struct rpc_file_exec_context
, epipe
.stream
);
782 if (c
->opipe
.stream
.eof
&& c
->epipe
.stream
.eof
)
783 rpc_file_exec_reply(c
, UBUS_STATUS_OK
);
794 rpc_file_exec_run(const char *cmd
, const struct blob_attr
*sid
,
795 const struct blob_attr
*arg
, const struct blob_attr
*env
,
796 struct ubus_context
*ctx
, struct ubus_request_data
*req
)
805 struct blob_attr
*cur
;
808 char *executable
, **args
, **tmp
, *p
;
810 struct rpc_file_exec_context
*c
;
812 cmd
= rpc_file_exec_lookup(cmd
);
815 return UBUS_STATUS_NOT_FOUND
;
817 executable
= rpc_canonicalize_path(cmd
);
819 if (executable
== NULL
)
820 return UBUS_STATUS_UNKNOWN_ERROR
;
822 if (!rpc_file_access(sid
, executable
, "exec"))
824 if (arg
== NULL
|| strlen(executable
) >= sizeof(cmdstr
))
825 return UBUS_STATUS_PERMISSION_DENIED
;
828 p
= cmdstr
+ sprintf(cmdstr
, "%s", executable
);
830 blobmsg_for_each_attr(cur
, arg
, rem
)
832 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
836 p
+ blobmsg_data_len(cur
) >= cmdstr
+ sizeof(cmdstr
))
839 p
+= sprintf(p
, " %s", blobmsg_get_string(cur
));
843 if (!rpc_file_access(sid
, cmdstr
, "exec"))
844 return UBUS_STATUS_PERMISSION_DENIED
;
847 c
= malloc(sizeof(*c
));
850 return UBUS_STATUS_UNKNOWN_ERROR
;
858 switch ((pid
= fork()))
866 devnull
= open("/dev/null", O_RDWR
);
869 return UBUS_STATUS_UNKNOWN_ERROR
;
875 rpc_fdclose(devnull
);
876 rpc_fdclose(opipe
[0]);
877 rpc_fdclose(opipe
[1]);
878 rpc_fdclose(epipe
[0]);
879 rpc_fdclose(epipe
[1]);
882 args
= malloc(sizeof(char *) * arglen
);
885 return UBUS_STATUS_UNKNOWN_ERROR
;
887 args
[0] = (char *)executable
;
892 blobmsg_for_each_attr(cur
, arg
, rem
)
894 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
900 return UBUS_STATUS_INVALID_ARGUMENT
;
904 tmp
= realloc(args
, sizeof(char *) * arglen
);
909 return UBUS_STATUS_UNKNOWN_ERROR
;
913 args
[arglen
-2] = blobmsg_data(cur
);
914 args
[arglen
-1] = NULL
;
920 blobmsg_for_each_attr(cur
, env
, rem
)
922 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
925 setenv(blobmsg_name(cur
), blobmsg_data(cur
), 1);
929 if (execv(executable
, args
))
930 return rpc_errno_status();
933 memset(c
, 0, sizeof(*c
));
935 ustream_declare(c
->opipe
, opipe
[0], exec_opipe
);
936 ustream_declare(c
->epipe
, epipe
[0], exec_epipe
);
938 c
->process
.pid
= pid
;
939 c
->process
.cb
= rpc_file_exec_process_cb
;
940 uloop_process_add(&c
->process
);
942 c
->timeout
.cb
= rpc_file_exec_timeout_cb
;
943 uloop_timeout_set(&c
->timeout
, *ops
->exec_timeout
);
949 ubus_defer_request(ctx
, req
, &c
->request
);
952 return UBUS_STATUS_OK
;
964 return rpc_errno_status();
968 rpc_file_exec(struct ubus_context
*ctx
, struct ubus_object
*obj
,
969 struct ubus_request_data
*req
, const char *method
,
970 struct blob_attr
*msg
)
972 struct blob_attr
*tb
[__RPC_E_MAX
];
974 blobmsg_parse(rpc_exec_policy
, __RPC_E_MAX
, tb
,
975 blob_data(msg
), blob_len(msg
));
978 return UBUS_STATUS_INVALID_ARGUMENT
;
980 return rpc_file_exec_run(blobmsg_data(tb
[RPC_E_CMD
]), tb
[RPC_E_SESSION
],
981 tb
[RPC_E_PARM
], tb
[RPC_E_ENV
], ctx
, req
);
986 rpc_file_api_init(const struct rpc_daemon_ops
*o
, struct ubus_context
*ctx
)
988 static const struct ubus_method file_methods
[] = {
989 UBUS_METHOD("read", rpc_file_read
, rpc_file_RB_policy
),
990 UBUS_METHOD("write", rpc_file_write
, rpc_file_RW_policy
),
991 UBUS_METHOD("list", rpc_file_list
, rpc_file_R_policy
),
992 UBUS_METHOD("stat", rpc_file_stat
, rpc_file_R_policy
),
993 UBUS_METHOD("md5", rpc_file_md5
, rpc_file_R_policy
),
994 UBUS_METHOD("remove", rpc_file_remove
, rpc_file_R_policy
),
995 UBUS_METHOD("exec", rpc_file_exec
, rpc_exec_policy
),
998 static struct ubus_object_type file_type
=
999 UBUS_OBJECT_TYPE("rpcd-plugin-file", file_methods
);
1001 static struct ubus_object obj
= {
1004 .methods
= file_methods
,
1005 .n_methods
= ARRAY_SIZE(file_methods
),
1010 return ubus_add_object(ctx
, &obj
);
1013 struct rpc_plugin rpc_plugin
= {
1014 .init
= rpc_file_api_init