2 * luci-rpcd - LuCI UBUS RPC server
4 * Copyright (C) 2013 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.
22 static struct blob_buf buf
;
23 static struct uci_context
*cursor
;
35 static const struct blobmsg_policy rpc_uci_get_policy
[__RPC_G_MAX
] = {
36 [RPC_G_CONFIG
] = { .name
= "config", .type
= BLOBMSG_TYPE_STRING
},
37 [RPC_G_SECTION
] = { .name
= "section", .type
= BLOBMSG_TYPE_STRING
},
38 [RPC_G_OPTION
] = { .name
= "option", .type
= BLOBMSG_TYPE_STRING
},
39 [RPC_G_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
40 [RPC_G_MATCH
] = { .name
= "match", .type
= BLOBMSG_TYPE_TABLE
},
41 [RPC_G_SESSION
] = { .name
= "ubus_rpc_session",
42 .type
= BLOBMSG_TYPE_STRING
},
54 static const struct blobmsg_policy rpc_uci_add_policy
[__RPC_A_MAX
] = {
55 [RPC_A_CONFIG
] = { .name
= "config", .type
= BLOBMSG_TYPE_STRING
},
56 [RPC_A_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
57 [RPC_A_NAME
] = { .name
= "name", .type
= BLOBMSG_TYPE_STRING
},
58 [RPC_A_VALUES
] = { .name
= "values", .type
= BLOBMSG_TYPE_TABLE
},
59 [RPC_A_SESSION
] = { .name
= "ubus_rpc_session",
60 .type
= BLOBMSG_TYPE_STRING
},
73 static const struct blobmsg_policy rpc_uci_set_policy
[__RPC_S_MAX
] = {
74 [RPC_S_CONFIG
] = { .name
= "config", .type
= BLOBMSG_TYPE_STRING
},
75 [RPC_S_SECTION
] = { .name
= "section", .type
= BLOBMSG_TYPE_STRING
},
76 [RPC_S_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
77 [RPC_S_MATCH
] = { .name
= "match", .type
= BLOBMSG_TYPE_TABLE
},
78 [RPC_S_VALUES
] = { .name
= "values", .type
= BLOBMSG_TYPE_TABLE
},
79 [RPC_S_SESSION
] = { .name
= "ubus_rpc_session",
80 .type
= BLOBMSG_TYPE_STRING
},
94 static const struct blobmsg_policy rpc_uci_delete_policy
[__RPC_D_MAX
] = {
95 [RPC_D_CONFIG
] = { .name
= "config", .type
= BLOBMSG_TYPE_STRING
},
96 [RPC_D_SECTION
] = { .name
= "section", .type
= BLOBMSG_TYPE_STRING
},
97 [RPC_D_TYPE
] = { .name
= "type", .type
= BLOBMSG_TYPE_STRING
},
98 [RPC_D_MATCH
] = { .name
= "match", .type
= BLOBMSG_TYPE_TABLE
},
99 [RPC_D_OPTION
] = { .name
= "option", .type
= BLOBMSG_TYPE_STRING
},
100 [RPC_D_OPTIONS
] = { .name
= "options", .type
= BLOBMSG_TYPE_ARRAY
},
101 [RPC_D_SESSION
] = { .name
= "ubus_rpc_session",
102 .type
= BLOBMSG_TYPE_STRING
},
114 static const struct blobmsg_policy rpc_uci_rename_policy
[__RPC_R_MAX
] = {
115 [RPC_R_CONFIG
] = { .name
= "config", .type
= BLOBMSG_TYPE_STRING
},
116 [RPC_R_SECTION
] = { .name
= "section", .type
= BLOBMSG_TYPE_STRING
},
117 [RPC_R_OPTION
] = { .name
= "option", .type
= BLOBMSG_TYPE_STRING
},
118 [RPC_R_NAME
] = { .name
= "name", .type
= BLOBMSG_TYPE_STRING
},
119 [RPC_R_SESSION
] = { .name
= "ubus_rpc_session",
120 .type
= BLOBMSG_TYPE_STRING
},
130 static const struct blobmsg_policy rpc_uci_order_policy
[__RPC_O_MAX
] = {
131 [RPC_O_CONFIG
] = { .name
= "config", .type
= BLOBMSG_TYPE_STRING
},
132 [RPC_O_SECTIONS
] = { .name
= "sections", .type
= BLOBMSG_TYPE_ARRAY
},
133 [RPC_O_SESSION
] = { .name
= "ubus_rpc_session",
134 .type
= BLOBMSG_TYPE_STRING
},
143 static const struct blobmsg_policy rpc_uci_config_policy
[__RPC_C_MAX
] = {
144 [RPC_C_CONFIG
] = { .name
= "config", .type
= BLOBMSG_TYPE_STRING
},
145 [RPC_C_SESSION
] = { .name
= "ubus_rpc_session",
146 .type
= BLOBMSG_TYPE_STRING
},
150 * Turn uci error state into ubus return code
158 return UBUS_STATUS_OK
;
161 return UBUS_STATUS_INVALID_ARGUMENT
;
163 case UCI_ERR_NOTFOUND
:
164 return UBUS_STATUS_NOT_FOUND
;
167 return UBUS_STATUS_UNKNOWN_ERROR
;
172 * Test read access to given config. If the passed "sid" blob attribute pointer
173 * is NULL then the precedure was not invoked through the ubus-rpc so we do not
174 * perform access control and always assume true.
177 rpc_uci_read_access(struct blob_attr
*sid
, struct blob_attr
*config
)
182 return rpc_session_access(blobmsg_data(sid
), "uci",
183 blobmsg_data(config
), "read");
187 * Test write access to given config. If the passed "sid" blob attribute pointer
188 * is NULL then the precedure was not invoked through the ubus-rpc so we do not
189 * perform access control and always assume true.
192 rpc_uci_write_access(struct blob_attr
*sid
, struct blob_attr
*config
)
197 return rpc_session_access(blobmsg_data(sid
), "uci",
198 blobmsg_data(config
), "write");
202 * Format applicable blob value as string and place a pointer to the string
203 * buffer in "p". Uses a static string buffer.
206 rpc_uci_format_blob(struct blob_attr
*v
, const char **p
)
212 switch (blobmsg_type(v
))
214 case BLOBMSG_TYPE_STRING
:
215 if (blobmsg_data_len(v
) > 1)
216 *p
= blobmsg_data(v
);
219 case BLOBMSG_TYPE_INT64
:
220 snprintf(buf
, sizeof(buf
), "%"PRIu64
, blobmsg_get_u64(v
));
224 case BLOBMSG_TYPE_INT32
:
225 snprintf(buf
, sizeof(buf
), "%u", blobmsg_get_u32(v
));
229 case BLOBMSG_TYPE_INT16
:
230 snprintf(buf
, sizeof(buf
), "%u", blobmsg_get_u16(v
));
234 case BLOBMSG_TYPE_INT8
:
235 snprintf(buf
, sizeof(buf
), "%u", !!blobmsg_get_u8(v
));
247 * Lookup the given uci_ptr and enable extended lookup format if the .section
248 * value of the uci_ptr looks like extended syntax. Uses an internal copy
249 * of the given uci_ptr to perform the lookup as failing extended section
250 * lookup operations in libuci will zero our the uci_ptr struct.
251 * Copies the internal uci_ptr back to given the uci_ptr on success.
254 rpc_uci_lookup(struct uci_ptr
*ptr
)
257 struct uci_ptr lookup
= *ptr
;
259 if (!lookup
.s
&& lookup
.section
&& *lookup
.section
== '@')
260 lookup
.flags
|= UCI_LOOKUP_EXTENDED
;
262 rv
= uci_lookup_ptr(cursor
, &lookup
, NULL
, true);
271 * Checks whether the given uci_option object matches the given string value.
272 * 1) If the uci_option is of type list, check whether any of the list elements
273 * equals to the given string
274 * 2) If the uci_option is of type string, parse it into space separated tokens
275 * and check if any of the tokens equals to the given string.
276 * Returns true if a list element or token matched the given string.
279 rpc_uci_match_option(struct uci_option
*o
, const char *cmp
)
281 struct uci_element
*e
;
284 if (o
->type
== UCI_TYPE_LIST
)
286 uci_foreach_element(&o
->v
.list
, e
)
287 if (e
->name
&& !strcmp(e
->name
, cmp
))
296 s
= strdup(o
->v
.string
);
301 for (p
= strtok(s
, " \t"); p
; p
= strtok(NULL
, " \t"))
315 * Checks whether the given uci_section matches the type and value blob attrs.
316 * 1) Returns false if "type" is given and the section type does not match
317 * the value specified in the "type" string blob attribute, else continue.
318 * 2) Tests whether any key in the "matches" table blob attribute exists in
319 * the given uci_section and whether each value is contained in the
320 * corresponding uci option value (see rpc_uci_match_option()).
321 * 3) A missing or empty "matches" table blob attribute is always considered
323 * Returns true if "type" matches or is NULL and "matches" matches or is NULL.
326 rpc_uci_match_section(struct uci_section
*s
,
327 struct blob_attr
*type
, struct blob_attr
*matches
)
329 struct uci_element
*e
;
330 struct blob_attr
*cur
;
336 if (type
&& strcmp(s
->type
, blobmsg_data(type
)))
342 blobmsg_for_each_attr(cur
, matches
, rem
)
344 if (!rpc_uci_format_blob(cur
, &cmp
))
347 uci_foreach_element(&s
->options
, e
)
349 if (strcmp(e
->name
, blobmsg_name(cur
)))
352 if (!rpc_uci_match_option(uci_to_option(e
), cmp
))
361 return (empty
|| match
);
365 * Dump the given uci_option value into the global blobmsg buffer and use
366 * given "name" as key.
367 * 1) If the uci_option is of type list, put a table into the blob buffer and
368 * add each list item as string to it.
369 * 2) If the uci_option is of type string, put its value directly into the blob
373 rpc_uci_dump_option(struct uci_option
*o
, const char *name
)
376 struct uci_element
*e
;
380 case UCI_TYPE_STRING
:
381 blobmsg_add_string(&buf
, name
, o
->v
.string
);
385 c
= blobmsg_open_array(&buf
, name
);
387 uci_foreach_element(&o
->v
.list
, e
)
388 blobmsg_add_string(&buf
, NULL
, e
->name
);
390 blobmsg_close_array(&buf
, c
);
399 * Dump the given uci_section object into the global blobmsg buffer and use
400 * given "name" as key.
401 * Puts a table into the blob buffer and puts each section option member value
402 * as value into the table using the option name as key.
403 * Adds three special keys ".anonymous", ".type" and ".name" which specify the
404 * corresponding section properties.
407 rpc_uci_dump_section(struct uci_section
*s
, const char *name
, int index
)
410 struct uci_option
*o
;
411 struct uci_element
*e
;
413 c
= blobmsg_open_table(&buf
, name
);
415 blobmsg_add_u8(&buf
, ".anonymous", s
->anonymous
);
416 blobmsg_add_string(&buf
, ".type", s
->type
);
417 blobmsg_add_string(&buf
, ".name", s
->e
.name
);
420 blobmsg_add_u32(&buf
, ".index", index
);
422 uci_foreach_element(&s
->options
, e
)
424 o
= uci_to_option(e
);
425 rpc_uci_dump_option(o
, o
->e
.name
);
428 blobmsg_close_table(&buf
, c
);
432 * Dump the given uci_package object into the global blobmsg buffer and use
433 * given "name" as key.
434 * Puts a table into the blob buffer and puts each package section member as
435 * value into the table using the section name as key.
436 * Only dumps sections matching the given "type" and "matches", see explaination
437 * of rpc_uci_match_section() for details.
440 rpc_uci_dump_package(struct uci_package
*p
, const char *name
,
441 struct blob_attr
*type
, struct blob_attr
*matches
)
444 struct uci_element
*e
;
447 c
= blobmsg_open_table(&buf
, name
);
449 uci_foreach_element(&p
->sections
, e
)
453 if (!rpc_uci_match_section(uci_to_section(e
), type
, matches
))
456 rpc_uci_dump_section(uci_to_section(e
), e
->name
, i
);
459 blobmsg_close_table(&buf
, c
);
464 rpc_uci_get(struct ubus_context
*ctx
, struct ubus_object
*obj
,
465 struct ubus_request_data
*req
, const char *method
,
466 struct blob_attr
*msg
)
468 struct blob_attr
*tb
[__RPC_G_MAX
];
469 struct uci_package
*p
= NULL
;
470 struct uci_ptr ptr
= { 0 };
472 blobmsg_parse(rpc_uci_get_policy
, __RPC_G_MAX
, tb
,
473 blob_data(msg
), blob_len(msg
));
475 if (!tb
[RPC_G_CONFIG
])
476 return UBUS_STATUS_INVALID_ARGUMENT
;
478 if (!rpc_uci_read_access(tb
[RPC_G_SESSION
], tb
[RPC_G_CONFIG
]))
479 return UBUS_STATUS_PERMISSION_DENIED
;
481 ptr
.package
= blobmsg_data(tb
[RPC_G_CONFIG
]);
482 uci_load(cursor
, ptr
.package
, &p
);
487 if (tb
[RPC_G_SECTION
])
489 ptr
.section
= blobmsg_data(tb
[RPC_G_SECTION
]);
491 if (tb
[RPC_G_OPTION
])
492 ptr
.option
= blobmsg_data(tb
[RPC_G_OPTION
]);
495 if (rpc_uci_lookup(&ptr
) || !(ptr
.flags
& UCI_LOOKUP_COMPLETE
))
498 blob_buf_init(&buf
, 0);
500 switch (ptr
.last
->type
)
502 case UCI_TYPE_PACKAGE
:
503 rpc_uci_dump_package(ptr
.p
, "values", tb
[RPC_G_TYPE
], tb
[RPC_G_MATCH
]);
506 case UCI_TYPE_SECTION
:
507 rpc_uci_dump_section(ptr
.s
, "values", -1);
510 case UCI_TYPE_OPTION
:
511 rpc_uci_dump_option(ptr
.o
, "value");
518 ubus_send_reply(ctx
, req
, buf
.head
);
522 uci_unload(cursor
, p
);
524 return rpc_uci_status();
528 rpc_uci_add(struct ubus_context
*ctx
, struct ubus_object
*obj
,
529 struct ubus_request_data
*req
, const char *method
,
530 struct blob_attr
*msg
)
532 struct blob_attr
*tb
[__RPC_A_MAX
];
533 struct blob_attr
*cur
, *elem
;
534 struct uci_package
*p
= NULL
;
535 struct uci_section
*s
;
536 struct uci_ptr ptr
= { 0 };
539 blobmsg_parse(rpc_uci_add_policy
, __RPC_A_MAX
, tb
,
540 blob_data(msg
), blob_len(msg
));
542 if (!tb
[RPC_A_CONFIG
] || !tb
[RPC_A_TYPE
])
543 return UBUS_STATUS_INVALID_ARGUMENT
;
545 if (!rpc_uci_write_access(tb
[RPC_A_SESSION
], tb
[RPC_A_CONFIG
]))
546 return UBUS_STATUS_PERMISSION_DENIED
;
548 ptr
.package
= blobmsg_data(tb
[RPC_A_CONFIG
]);
550 uci_load(cursor
, ptr
.package
, &p
);
555 /* add named section */
558 ptr
.section
= blobmsg_data(tb
[RPC_A_NAME
]);
559 ptr
.value
= blobmsg_data(tb
[RPC_A_TYPE
]);
562 if (rpc_uci_lookup(&ptr
) || uci_set(cursor
, &ptr
))
566 /* add anon section */
569 if (uci_add_section(cursor
, p
, blobmsg_data(tb
[RPC_A_TYPE
]), &s
) || !s
)
572 ptr
.section
= s
->e
.name
;
575 if (tb
[RPC_A_VALUES
])
577 blobmsg_for_each_attr(cur
, tb
[RPC_A_VALUES
], rem
)
580 ptr
.option
= blobmsg_name(cur
);
582 if (rpc_uci_lookup(&ptr
) || !ptr
.s
)
585 switch (blobmsg_type(cur
))
587 case BLOBMSG_TYPE_ARRAY
:
588 blobmsg_for_each_attr(elem
, cur
, rem2
)
589 if (rpc_uci_format_blob(elem
, &ptr
.value
))
590 uci_add_list(cursor
, &ptr
);
594 if (rpc_uci_format_blob(cur
, &ptr
.value
))
595 uci_set(cursor
, &ptr
);
603 blob_buf_init(&buf
, 0);
604 blobmsg_add_string(&buf
, "section", ptr
.section
);
605 ubus_send_reply(ctx
, req
, buf
.head
);
609 uci_unload(cursor
, p
);
611 return rpc_uci_status();
615 * Turn value from a blob attribute into uci set operation
616 * 1) if the blob is of type array, delete existing option (if any) and
617 * emit uci add_list operations for each element
618 * 2) if the blob is not an array but an option of type list exists,
619 * delete existing list and emit uci set operation for the blob value
620 * 3) in all other cases only emit a set operation if there is no existing
621 * option of if the existing options value differs from the blob value
624 rpc_uci_merge_set(struct blob_attr
*opt
, struct uci_ptr
*ptr
)
626 struct blob_attr
*cur
;
630 ptr
->option
= blobmsg_name(opt
);
632 if (rpc_uci_lookup(ptr
) || !ptr
->s
)
635 if (blobmsg_type(opt
) == BLOBMSG_TYPE_ARRAY
)
638 uci_delete(cursor
, ptr
);
640 blobmsg_for_each_attr(cur
, opt
, rem
)
641 if (rpc_uci_format_blob(cur
, &ptr
->value
))
642 uci_add_list(cursor
, ptr
);
644 else if (ptr
->o
&& ptr
->o
->type
== UCI_TYPE_LIST
)
646 uci_delete(cursor
, ptr
);
648 if (rpc_uci_format_blob(opt
, &ptr
->value
))
649 uci_set(cursor
, ptr
);
651 else if (rpc_uci_format_blob(opt
, &ptr
->value
))
653 if (!ptr
->o
|| !ptr
->o
->v
.string
|| strcmp(ptr
->o
->v
.string
, ptr
->value
))
654 uci_set(cursor
, ptr
);
659 rpc_uci_set(struct ubus_context
*ctx
, struct ubus_object
*obj
,
660 struct ubus_request_data
*req
, const char *method
,
661 struct blob_attr
*msg
)
663 struct blob_attr
*tb
[__RPC_S_MAX
];
664 struct blob_attr
*cur
;
665 struct uci_package
*p
= NULL
;
666 struct uci_element
*e
;
667 struct uci_ptr ptr
= { 0 };
670 blobmsg_parse(rpc_uci_set_policy
, __RPC_S_MAX
, tb
,
671 blob_data(msg
), blob_len(msg
));
673 if (!tb
[RPC_S_CONFIG
] || !tb
[RPC_S_VALUES
] ||
674 (!tb
[RPC_S_SECTION
] && !tb
[RPC_S_TYPE
] && !tb
[RPC_S_MATCH
]))
675 return UBUS_STATUS_INVALID_ARGUMENT
;
677 if (!rpc_uci_write_access(tb
[RPC_S_SESSION
], tb
[RPC_S_CONFIG
]))
678 return UBUS_STATUS_PERMISSION_DENIED
;
680 ptr
.package
= blobmsg_data(tb
[RPC_S_CONFIG
]);
681 uci_load(cursor
, ptr
.package
, &p
);
686 if (tb
[RPC_S_SECTION
])
688 ptr
.section
= blobmsg_data(tb
[RPC_S_SECTION
]);
689 blobmsg_for_each_attr(cur
, tb
[RPC_S_VALUES
], rem
)
690 rpc_uci_merge_set(cur
, &ptr
);
694 uci_foreach_element(&p
->sections
, e
)
696 if (!rpc_uci_match_section(uci_to_section(e
),
697 tb
[RPC_S_TYPE
], tb
[RPC_S_MATCH
]))
701 ptr
.section
= e
->name
;
703 blobmsg_for_each_attr(cur
, tb
[RPC_S_VALUES
], rem
)
704 rpc_uci_merge_set(cur
, &ptr
);
712 uci_unload(cursor
, p
);
714 return rpc_uci_status();
718 * Delete option or section from uci specified by given blob attribute pointer
719 * 1) if the blob is of type array, delete any option named after each element
720 * 2) if the blob is of type string, delete the option named after its value
721 * 3) if the blob is NULL, delete entire section
724 rpc_uci_merge_delete(struct blob_attr
*opt
, struct uci_ptr
*ptr
)
726 struct blob_attr
*cur
;
729 if (rpc_uci_lookup(ptr
) || !ptr
->s
)
737 uci_delete(cursor
, ptr
);
739 else if (blobmsg_type(opt
) == BLOBMSG_TYPE_ARRAY
)
741 blobmsg_for_each_attr(cur
, opt
, rem
)
743 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
747 ptr
->option
= blobmsg_data(cur
);
749 if (rpc_uci_lookup(ptr
) || !ptr
->o
)
752 uci_delete(cursor
, ptr
);
755 else if (blobmsg_type(opt
) == BLOBMSG_TYPE_STRING
)
758 ptr
->option
= blobmsg_data(opt
);
760 if (rpc_uci_lookup(ptr
) || !ptr
->o
)
763 uci_delete(cursor
, ptr
);
768 rpc_uci_delete(struct ubus_context
*ctx
, struct ubus_object
*obj
,
769 struct ubus_request_data
*req
, const char *method
,
770 struct blob_attr
*msg
)
772 struct blob_attr
*tb
[__RPC_D_MAX
];
773 struct uci_package
*p
= NULL
;
774 struct uci_element
*e
, *tmp
;
775 struct uci_ptr ptr
= { 0 };
777 blobmsg_parse(rpc_uci_delete_policy
, __RPC_D_MAX
, tb
,
778 blob_data(msg
), blob_len(msg
));
780 if (!tb
[RPC_D_CONFIG
] ||
781 (!tb
[RPC_D_SECTION
] && !tb
[RPC_D_TYPE
] && !tb
[RPC_D_MATCH
]))
782 return UBUS_STATUS_INVALID_ARGUMENT
;
784 if (!rpc_uci_write_access(tb
[RPC_D_SESSION
], tb
[RPC_D_CONFIG
]))
785 return UBUS_STATUS_PERMISSION_DENIED
;
787 ptr
.package
= blobmsg_data(tb
[RPC_D_CONFIG
]);
788 uci_load(cursor
, ptr
.package
, &p
);
793 if (tb
[RPC_D_SECTION
])
795 ptr
.section
= blobmsg_data(tb
[RPC_D_SECTION
]);
797 if (tb
[RPC_D_OPTIONS
])
798 rpc_uci_merge_delete(tb
[RPC_D_OPTIONS
], &ptr
);
800 rpc_uci_merge_delete(tb
[RPC_D_OPTION
], &ptr
);
804 uci_foreach_element_safe(&p
->sections
, tmp
, e
)
806 if (!rpc_uci_match_section(uci_to_section(e
),
807 tb
[RPC_D_TYPE
], tb
[RPC_D_MATCH
]))
811 ptr
.section
= e
->name
;
813 if (tb
[RPC_D_OPTIONS
])
814 rpc_uci_merge_delete(tb
[RPC_D_OPTIONS
], &ptr
);
816 rpc_uci_merge_delete(tb
[RPC_D_OPTION
], &ptr
);
824 uci_unload(cursor
, p
);
826 return rpc_uci_status();
830 rpc_uci_rename(struct ubus_context
*ctx
, struct ubus_object
*obj
,
831 struct ubus_request_data
*req
, const char *method
,
832 struct blob_attr
*msg
)
834 struct blob_attr
*tb
[__RPC_R_MAX
];
835 struct uci_package
*p
= NULL
;
836 struct uci_ptr ptr
= { 0 };
838 blobmsg_parse(rpc_uci_rename_policy
, __RPC_R_MAX
, tb
,
839 blob_data(msg
), blob_len(msg
));
841 if (!tb
[RPC_R_CONFIG
] || !tb
[RPC_R_SECTION
] || !tb
[RPC_R_NAME
])
842 return UBUS_STATUS_INVALID_ARGUMENT
;
844 if (!rpc_uci_write_access(tb
[RPC_R_SESSION
], tb
[RPC_R_CONFIG
]))
845 return UBUS_STATUS_PERMISSION_DENIED
;
847 ptr
.package
= blobmsg_data(tb
[RPC_R_CONFIG
]);
848 ptr
.section
= blobmsg_data(tb
[RPC_R_SECTION
]);
849 ptr
.value
= blobmsg_data(tb
[RPC_R_NAME
]);
851 if (tb
[RPC_R_OPTION
])
852 ptr
.option
= blobmsg_data(tb
[RPC_R_OPTION
]);
854 uci_load(cursor
, ptr
.package
, &p
);
859 if (uci_lookup_ptr(cursor
, &ptr
, NULL
, true))
862 if ((ptr
.option
&& !ptr
.o
) || !ptr
.s
)
864 cursor
->err
= UCI_ERR_NOTFOUND
;
868 if (uci_rename(cursor
, &ptr
))
875 uci_unload(cursor
, p
);
877 return rpc_uci_status();
881 rpc_uci_order(struct ubus_context
*ctx
, struct ubus_object
*obj
,
882 struct ubus_request_data
*req
, const char *method
,
883 struct blob_attr
*msg
)
885 struct blob_attr
*tb
[__RPC_O_MAX
];
886 struct blob_attr
*cur
;
887 struct uci_package
*p
= NULL
;
888 struct uci_ptr ptr
= { 0 };
891 blobmsg_parse(rpc_uci_order_policy
, __RPC_O_MAX
, tb
,
892 blob_data(msg
), blob_len(msg
));
894 if (!tb
[RPC_O_CONFIG
] || !tb
[RPC_O_SECTIONS
])
895 return UBUS_STATUS_INVALID_ARGUMENT
;
897 if (!rpc_uci_write_access(tb
[RPC_O_SESSION
], tb
[RPC_O_CONFIG
]))
898 return UBUS_STATUS_PERMISSION_DENIED
;
900 ptr
.package
= blobmsg_data(tb
[RPC_O_CONFIG
]);
902 uci_load(cursor
, ptr
.package
, &p
);
907 blobmsg_for_each_attr(cur
, tb
[RPC_O_SECTIONS
], rem
)
909 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
)
913 ptr
.section
= blobmsg_data(cur
);
915 if (uci_lookup_ptr(cursor
, &ptr
, NULL
, true) || !ptr
.s
)
918 uci_reorder_section(cursor
, ptr
.s
, i
++);
925 uci_unload(cursor
, p
);
927 return rpc_uci_status();
931 rpc_uci_dump_change(struct uci_delta
*d
)
934 const char *types
[] = {
935 [UCI_CMD_REORDER
] = "order",
936 [UCI_CMD_REMOVE
] = "remove",
937 [UCI_CMD_RENAME
] = "rename",
938 [UCI_CMD_ADD
] = "add",
939 [UCI_CMD_LIST_ADD
] = "list-add",
940 [UCI_CMD_LIST_DEL
] = "list-del",
941 [UCI_CMD_CHANGE
] = "set",
947 c
= blobmsg_open_array(&buf
, NULL
);
949 blobmsg_add_string(&buf
, NULL
, types
[d
->cmd
]);
950 blobmsg_add_string(&buf
, NULL
, d
->section
);
953 blobmsg_add_string(&buf
, NULL
, d
->e
.name
);
957 if (d
->cmd
== UCI_CMD_REORDER
)
958 blobmsg_add_u32(&buf
, NULL
, strtoul(d
->value
, NULL
, 10));
960 blobmsg_add_string(&buf
, NULL
, d
->value
);
963 blobmsg_close_array(&buf
, c
);
967 rpc_uci_changes(struct ubus_context
*ctx
, struct ubus_object
*obj
,
968 struct ubus_request_data
*req
, const char *method
,
969 struct blob_attr
*msg
)
971 struct blob_attr
*tb
[__RPC_C_MAX
];
972 struct uci_package
*p
= NULL
;
973 struct uci_element
*e
;
976 blobmsg_parse(rpc_uci_config_policy
, __RPC_C_MAX
, tb
,
977 blob_data(msg
), blob_len(msg
));
979 if (!tb
[RPC_C_CONFIG
])
980 return UBUS_STATUS_INVALID_ARGUMENT
;
982 if (!rpc_uci_read_access(tb
[RPC_C_SESSION
], tb
[RPC_C_CONFIG
]))
983 return UBUS_STATUS_PERMISSION_DENIED
;
985 uci_load(cursor
, blobmsg_data(tb
[RPC_C_CONFIG
]), &p
);
990 blob_buf_init(&buf
, 0);
991 c
= blobmsg_open_array(&buf
, "changes");
993 uci_foreach_element(&p
->saved_delta
, e
)
994 rpc_uci_dump_change(uci_to_delta(e
));
996 blobmsg_close_array(&buf
, c
);
998 ubus_send_reply(ctx
, req
, buf
.head
);
1002 uci_unload(cursor
, p
);
1004 return rpc_uci_status();
1008 rpc_uci_revert_commit(struct blob_attr
*msg
, bool commit
)
1010 struct blob_attr
*tb
[__RPC_C_MAX
];
1011 struct uci_package
*p
= NULL
;
1012 struct uci_ptr ptr
= { 0 };
1014 blobmsg_parse(rpc_uci_config_policy
, __RPC_C_MAX
, tb
,
1015 blob_data(msg
), blob_len(msg
));
1017 if (!tb
[RPC_C_CONFIG
])
1018 return UBUS_STATUS_INVALID_ARGUMENT
;
1020 if (!rpc_uci_write_access(tb
[RPC_C_SESSION
], tb
[RPC_C_CONFIG
]))
1021 return UBUS_STATUS_PERMISSION_DENIED
;
1023 ptr
.package
= blobmsg_data(tb
[RPC_C_CONFIG
]);
1027 uci_load(cursor
, ptr
.package
, &p
);
1031 uci_commit(cursor
, &p
, false);
1032 uci_unload(cursor
, p
);
1037 if (!uci_lookup_ptr(cursor
, &ptr
, NULL
, true) && ptr
.p
)
1038 uci_revert(cursor
, &ptr
);
1041 return rpc_uci_status();
1045 rpc_uci_revert(struct ubus_context
*ctx
, struct ubus_object
*obj
,
1046 struct ubus_request_data
*req
, const char *method
,
1047 struct blob_attr
*msg
)
1049 return rpc_uci_revert_commit(msg
, false);
1053 rpc_uci_commit(struct ubus_context
*ctx
, struct ubus_object
*obj
,
1054 struct ubus_request_data
*req
, const char *method
,
1055 struct blob_attr
*msg
)
1057 return rpc_uci_revert_commit(msg
, true);
1061 rpc_uci_configs(struct ubus_context
*ctx
, struct ubus_object
*obj
,
1062 struct ubus_request_data
*req
, const char *method
,
1063 struct blob_attr
*msg
)
1069 if (uci_list_configs(cursor
, &configs
))
1072 blob_buf_init(&buf
, 0);
1074 c
= blobmsg_open_array(&buf
, "configs");
1076 for (i
= 0; configs
[i
]; i
++)
1077 blobmsg_add_string(&buf
, NULL
, configs
[i
]);
1079 blobmsg_close_array(&buf
, c
);
1081 ubus_send_reply(ctx
, req
, buf
.head
);
1084 return rpc_uci_status();
1088 int rpc_uci_api_init(struct ubus_context
*ctx
)
1090 static const struct ubus_method uci_methods
[] = {
1091 { .name
= "configs", .handler
= rpc_uci_configs
},
1092 UBUS_METHOD("get", rpc_uci_get
, rpc_uci_get_policy
),
1093 UBUS_METHOD("add", rpc_uci_add
, rpc_uci_add_policy
),
1094 UBUS_METHOD("set", rpc_uci_set
, rpc_uci_set_policy
),
1095 UBUS_METHOD("delete", rpc_uci_delete
, rpc_uci_delete_policy
),
1096 UBUS_METHOD("rename", rpc_uci_rename
, rpc_uci_rename_policy
),
1097 UBUS_METHOD("order", rpc_uci_order
, rpc_uci_order_policy
),
1098 UBUS_METHOD("changes", rpc_uci_changes
, rpc_uci_config_policy
),
1099 UBUS_METHOD("revert", rpc_uci_revert
, rpc_uci_config_policy
),
1100 UBUS_METHOD("commit", rpc_uci_commit
, rpc_uci_config_policy
),
1103 static struct ubus_object_type uci_type
=
1104 UBUS_OBJECT_TYPE("luci-rpc-uci", uci_methods
);
1106 static struct ubus_object obj
= {
1109 .methods
= uci_methods
,
1110 .n_methods
= ARRAY_SIZE(uci_methods
),
1113 cursor
= uci_alloc_context();
1116 return UBUS_STATUS_UNKNOWN_ERROR
;
1118 return ubus_add_object(ctx
, &obj
);