2 * cli - Command Line Interface for the Unified Configuration Interface
3 * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
20 #define MAX_ARGS 4 /* max command line arguments for batch mode */
22 static const char *delimiter
= " ";
23 static const char *appname
;
25 CLI_FLAG_MERGE
= (1 << 0),
26 CLI_FLAG_QUIET
= (1 << 1),
27 CLI_FLAG_NOCOMMIT
= (1 << 2),
28 CLI_FLAG_BATCH
= (1 << 3),
29 CLI_FLAG_SHOW_EXT
= (1 << 4),
34 static struct uci_context
*ctx
;
56 struct uci_type_list
{
59 struct uci_type_list
*next
;
62 static struct uci_type_list
*type_list
= NULL
;
63 static char *typestr
= NULL
;
64 static const char *cur_section_ref
= NULL
;
66 static int uci_cmd(int argc
, char **argv
);
69 uci_reset_typelist(void)
71 struct uci_type_list
*type
;
72 while (type_list
!= NULL
) {
74 type_list
= type_list
->next
;
81 cur_section_ref
= NULL
;
85 uci_lookup_section_ref(struct uci_section
*s
)
87 struct uci_type_list
*ti
= type_list
;
90 if (!s
->anonymous
|| !(flags
& CLI_FLAG_SHOW_EXT
))
93 /* look up in section type list */
95 if (strcmp(ti
->name
, s
->type
) == 0)
100 ti
= malloc(sizeof(struct uci_type_list
));
103 memset(ti
, 0, sizeof(struct uci_type_list
));
104 ti
->next
= type_list
;
109 maxlen
= strlen(s
->type
) + 1 + 2 + 10;
111 typestr
= malloc(maxlen
);
113 typestr
= realloc(typestr
, maxlen
);
117 sprintf(typestr
, "@%s[%d]", ti
->name
, ti
->idx
);
124 static void uci_usage(void)
127 "Usage: %s [<options>] <command> [<arguments>]\n\n"
130 "\texport [<config>]\n"
131 "\timport [<config>]\n"
132 "\tchanges [<config>]\n"
133 "\tcommit [<config>]\n"
134 "\tadd <config> <section-type>\n"
135 "\tadd_list <config>.<section>.<option>=<string>\n"
136 "\tdel_list <config>.<section>.<option>=<string>\n"
137 "\tshow [<config>[.<section>[.<option>]]]\n"
138 "\tget <config>.<section>[.<option>]\n"
139 "\tset <config>.<section>[.<option>]=<value>\n"
140 "\tdelete <config>[.<section>[[.<option>][=<id>]]]\n"
141 "\trename <config>.<section>[.<option>]=<name>\n"
142 "\trevert <config>[.<section>[.<option>]]\n"
143 "\treorder <config>.<section>=<position>\n"
146 "\t-c <path> set the search path for config files (default: /etc/config)\n"
147 "\t-d <str> set the delimiter for list values in uci show\n"
148 "\t-f <file> use <file> as input instead of stdin\n"
149 "\t-m when importing, merge data into an existing package\n"
150 "\t-n name unnamed sections on export (default)\n"
151 "\t-N don't name unnamed sections\n"
152 "\t-p <path> add a search path for config change files\n"
153 "\t-P <path> add a search path for config change files and use as default\n"
154 "\t-q quiet mode (don't print error messages)\n"
155 "\t-s force strict mode (stop on parser errors, default)\n"
156 "\t-S disable strict mode\n"
157 "\t-X do not use extended syntax on 'show'\n"
163 static void cli_perror(void)
165 if (flags
& CLI_FLAG_QUIET
)
168 uci_perror(ctx
, appname
);
171 static void uci_print_value(FILE *f
, const char *v
)
184 static void uci_show_value(struct uci_option
*o
, bool quote
)
186 struct uci_element
*e
;
191 case UCI_TYPE_STRING
:
193 uci_print_value(stdout
, o
->v
.string
);
195 printf("%s", o
->v
.string
);
199 uci_foreach_element(&o
->v
.list
, e
) {
200 printf("%s", (sep
? delimiter
: ""));
201 space
= strpbrk(e
->name
, " \t\r\n");
202 if (!space
&& !quote
)
203 printf("%s", e
->name
);
205 uci_print_value(stdout
, e
->name
);
211 printf("<unknown>\n");
216 static void uci_show_option(struct uci_option
*o
, bool quote
)
219 o
->section
->package
->e
.name
,
220 (cur_section_ref
? cur_section_ref
: o
->section
->e
.name
),
222 uci_show_value(o
, quote
);
225 static void uci_show_section(struct uci_section
*s
)
227 struct uci_element
*e
;
231 cname
= s
->package
->e
.name
;
232 sname
= (cur_section_ref
? cur_section_ref
: s
->e
.name
);
233 printf("%s.%s=%s\n", cname
, sname
, s
->type
);
234 uci_foreach_element(&s
->options
, e
) {
235 uci_show_option(uci_to_option(e
), true);
239 static void uci_show_package(struct uci_package
*p
)
241 struct uci_element
*e
;
243 uci_reset_typelist();
244 uci_foreach_element( &p
->sections
, e
) {
245 struct uci_section
*s
= uci_to_section(e
);
246 cur_section_ref
= uci_lookup_section_ref(s
);
249 uci_reset_typelist();
252 static void uci_show_changes(struct uci_package
*p
)
254 struct uci_element
*e
;
256 uci_foreach_element(&p
->saved_delta
, e
) {
257 struct uci_delta
*h
= uci_to_delta(e
);
265 case UCI_CMD_LIST_ADD
:
268 case UCI_CMD_LIST_DEL
:
274 printf("%s%s.%s", prefix
, p
->e
.name
, h
->section
);
276 printf(".%s", e
->name
);
277 if (h
->cmd
!= UCI_CMD_REMOVE
) {
279 uci_print_value(stdout
, h
->value
);
285 static int package_cmd(int cmd
, char *tuple
)
287 struct uci_element
*e
= NULL
;
291 if (uci_lookup_ptr(ctx
, &ptr
, tuple
, true) != UCI_OK
) {
299 uci_show_changes(ptr
.p
);
302 if (flags
& CLI_FLAG_NOCOMMIT
) {
306 if (uci_commit(ctx
, &ptr
.p
, false) != UCI_OK
) {
311 uci_export(ctx
, stdout
, ptr
.p
, true);
314 if (!(ptr
.flags
& UCI_LOOKUP_COMPLETE
)) {
315 ctx
->err
= UCI_ERR_NOTFOUND
;
319 case UCI_TYPE_PACKAGE
:
320 uci_show_package(ptr
.p
);
322 case UCI_TYPE_SECTION
:
323 uci_show_section(ptr
.s
);
325 case UCI_TYPE_OPTION
:
326 uci_show_option(ptr
.o
, true);
329 /* should not happen */
337 uci_unload(ctx
, ptr
.p
);
341 static int uci_do_import(int argc
, char **argv
)
343 struct uci_package
*package
= NULL
;
353 else if (flags
& CLI_FLAG_MERGE
)
354 /* need a package to merge */
357 if (flags
& CLI_FLAG_MERGE
) {
358 if (uci_load(ctx
, name
, &package
) != UCI_OK
)
363 ret
= uci_import(ctx
, input
, name
, &package
, (name
!= NULL
));
366 ret
= uci_save(ctx
, package
);
368 struct uci_element
*e
;
369 /* loop through all config sections and overwrite existing data */
370 uci_foreach_element(&ctx
->root
, e
) {
371 struct uci_package
*p
= uci_to_package(e
);
372 ret
= uci_commit(ctx
, &p
, true);
385 static int uci_do_package_cmd(int cmd
, int argc
, char **argv
)
387 char **configs
= NULL
;
395 return package_cmd(cmd
, argv
[1]);
397 if ((uci_list_configs(ctx
, &configs
) != UCI_OK
) || !configs
) {
402 for (p
= configs
; *p
; p
++) {
403 package_cmd(cmd
, *p
);
412 static int uci_do_add(int argc
, char **argv
)
414 struct uci_package
*p
= NULL
;
415 struct uci_section
*s
= NULL
;
421 ret
= uci_load(ctx
, argv
[1], &p
);
425 ret
= uci_add_section(ctx
, p
, argv
[2], &s
);
429 ret
= uci_save(ctx
, p
);
435 fprintf(stdout
, "%s\n", s
->e
.name
);
440 static int uci_do_section_cmd(int cmd
, int argc
, char **argv
)
442 struct uci_element
*e
;
450 if (uci_lookup_ptr(ctx
, &ptr
, argv
[1], true) != UCI_OK
) {
455 if (ptr
.value
&& (cmd
!= CMD_SET
) && (cmd
!= CMD_DEL
) &&
456 (cmd
!= CMD_ADD_LIST
) && (cmd
!= CMD_DEL_LIST
) &&
457 (cmd
!= CMD_RENAME
) && (cmd
!= CMD_REORDER
))
463 if (!(ptr
.flags
& UCI_LOOKUP_COMPLETE
)) {
464 ctx
->err
= UCI_ERR_NOTFOUND
;
469 case UCI_TYPE_SECTION
:
470 printf("%s\n", ptr
.s
->type
);
472 case UCI_TYPE_OPTION
:
473 uci_show_value(ptr
.o
, false);
478 /* throw the value to stdout */
481 ret
= uci_rename(ctx
, &ptr
);
484 ret
= uci_revert(ctx
, &ptr
);
487 ret
= uci_set(ctx
, &ptr
);
490 ret
= uci_add_list(ctx
, &ptr
);
493 ret
= uci_del_list(ctx
, &ptr
);
496 if (!ptr
.s
|| !ptr
.value
) {
497 ctx
->err
= UCI_ERR_NOTFOUND
;
501 ret
= uci_reorder_section(ctx
, ptr
.s
, strtoul(ptr
.value
, NULL
, 10));
504 if (ptr
.value
&& !sscanf(ptr
.value
, "%d", &dummy
))
506 ret
= uci_delete(ctx
, &ptr
);
510 /* no save necessary for get */
511 if ((cmd
== CMD_GET
) || (cmd
== CMD_REVERT
))
514 /* save changes, but don't commit them yet */
516 ret
= uci_save(ctx
, ptr
.p
);
526 static int uci_batch_cmd(void)
528 char *argv
[MAX_ARGS
+ 2];
533 for(i
= 0; i
<= MAX_ARGS
; i
++) {
535 fprintf(stderr
, "Too many arguments\n");
539 if ((ret
= uci_parse_argument(ctx
, input
, &str
, &argv
[i
])) != UCI_OK
) {
546 argv
[i
] = strdup(argv
[i
]);
555 if (!strcasecmp(argv
[0], "exit"))
557 ret
= uci_cmd(i
, argv
);
561 for (j
= 0; j
< i
; j
++) {
568 static int uci_batch(void)
572 flags
|= CLI_FLAG_BATCH
;
573 while (!feof(input
)) {
574 struct uci_element
*e
, *tmp
;
576 ret
= uci_batch_cmd();
580 fprintf(stderr
, "Unknown command\n");
583 uci_foreach_element_safe(&ctx
->root
, tmp
, e
) {
584 uci_unload(ctx
, uci_to_package(e
));
587 flags
&= ~CLI_FLAG_BATCH
;
592 static int uci_cmd(int argc
, char **argv
)
596 if (!strcasecmp(argv
[0], "batch") && !(flags
& CLI_FLAG_BATCH
))
598 else if (!strcasecmp(argv
[0], "show"))
600 else if (!strcasecmp(argv
[0], "changes"))
602 else if (!strcasecmp(argv
[0], "export"))
604 else if (!strcasecmp(argv
[0], "commit"))
606 else if (!strcasecmp(argv
[0], "get"))
608 else if (!strcasecmp(argv
[0], "set"))
610 else if (!strcasecmp(argv
[0], "ren") ||
611 !strcasecmp(argv
[0], "rename"))
613 else if (!strcasecmp(argv
[0], "revert"))
615 else if (!strcasecmp(argv
[0], "reorder"))
617 else if (!strcasecmp(argv
[0], "del") ||
618 !strcasecmp(argv
[0], "delete"))
620 else if (!strcasecmp(argv
[0], "import"))
622 else if (!strcasecmp(argv
[0], "help"))
624 else if (!strcasecmp(argv
[0], "add"))
626 else if (!strcasecmp(argv
[0], "add_list"))
628 else if (!strcasecmp(argv
[0], "del_list"))
642 return uci_do_section_cmd(cmd
, argc
, argv
);
647 return uci_do_package_cmd(cmd
, argc
, argv
);
649 return uci_do_import(argc
, argv
);
651 return uci_do_add(argc
, argv
);
660 int main(int argc
, char **argv
)
665 flags
= CLI_FLAG_SHOW_EXT
;
668 ctx
= uci_alloc_context();
670 fprintf(stderr
, "Out of memory\n");
674 while((c
= getopt(argc
, argv
, "c:d:f:LmnNp:P:sSqX")) != -1) {
677 uci_set_confdir(ctx
, optarg
);
683 if (input
!= stdin
) {
688 input
= fopen(optarg
, "r");
695 flags
|= CLI_FLAG_MERGE
;
698 ctx
->flags
|= UCI_FLAG_STRICT
;
701 ctx
->flags
&= ~UCI_FLAG_STRICT
;
702 ctx
->flags
|= UCI_FLAG_PERROR
;
705 ctx
->flags
|= UCI_FLAG_EXPORT_NAME
;
708 ctx
->flags
&= ~UCI_FLAG_EXPORT_NAME
;
711 uci_add_delta_path(ctx
, optarg
);
714 uci_add_delta_path(ctx
, ctx
->savedir
);
715 uci_set_savedir(ctx
, optarg
);
716 flags
|= CLI_FLAG_NOCOMMIT
;
719 flags
|= CLI_FLAG_QUIET
;
722 flags
&= ~CLI_FLAG_SHOW_EXT
;
730 argv
[optind
- 1] = argv
[0];
739 ret
= uci_cmd(argc
- 1, argv
+ 1);
746 uci_free_context(ctx
);