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_show_value(struct uci_option
*o
)
173 struct uci_element
*e
;
177 case UCI_TYPE_STRING
:
178 printf("%s\n", o
->v
.string
);
181 uci_foreach_element(&o
->v
.list
, e
) {
182 printf("%s%s", (sep
? delimiter
: ""), e
->name
);
188 printf("<unknown>\n");
193 static void uci_show_option(struct uci_option
*o
)
196 o
->section
->package
->e
.name
,
197 (cur_section_ref
? cur_section_ref
: o
->section
->e
.name
),
202 static void uci_show_section(struct uci_section
*s
)
204 struct uci_element
*e
;
208 cname
= s
->package
->e
.name
;
209 sname
= (cur_section_ref
? cur_section_ref
: s
->e
.name
);
210 printf("%s.%s=%s\n", cname
, sname
, s
->type
);
211 uci_foreach_element(&s
->options
, e
) {
212 uci_show_option(uci_to_option(e
));
216 static void uci_show_package(struct uci_package
*p
)
218 struct uci_element
*e
;
220 uci_reset_typelist();
221 uci_foreach_element( &p
->sections
, e
) {
222 struct uci_section
*s
= uci_to_section(e
);
223 cur_section_ref
= uci_lookup_section_ref(s
);
226 uci_reset_typelist();
229 static void uci_show_changes(struct uci_package
*p
)
231 struct uci_element
*e
;
233 uci_foreach_element(&p
->saved_delta
, e
) {
234 struct uci_delta
*h
= uci_to_delta(e
);
242 case UCI_CMD_LIST_ADD
:
245 case UCI_CMD_LIST_DEL
:
251 printf("%s%s.%s", prefix
, p
->e
.name
, h
->section
);
253 printf(".%s", e
->name
);
254 if (h
->cmd
!= UCI_CMD_REMOVE
)
255 printf("%s%s", op
, h
->value
);
260 static int package_cmd(int cmd
, char *tuple
)
262 struct uci_element
*e
= NULL
;
266 if (uci_lookup_ptr(ctx
, &ptr
, tuple
, true) != UCI_OK
) {
274 uci_show_changes(ptr
.p
);
277 if (flags
& CLI_FLAG_NOCOMMIT
)
279 if (uci_commit(ctx
, &ptr
.p
, false) != UCI_OK
) {
285 uci_export(ctx
, stdout
, ptr
.p
, true);
288 if (!(ptr
.flags
& UCI_LOOKUP_COMPLETE
)) {
289 ctx
->err
= UCI_ERR_NOTFOUND
;
294 case UCI_TYPE_PACKAGE
:
295 uci_show_package(ptr
.p
);
297 case UCI_TYPE_SECTION
:
298 uci_show_section(ptr
.s
);
300 case UCI_TYPE_OPTION
:
301 uci_show_option(ptr
.o
);
304 /* should not happen */
311 uci_unload(ctx
, ptr
.p
);
315 static int uci_do_import(int argc
, char **argv
)
317 struct uci_package
*package
= NULL
;
327 else if (flags
& CLI_FLAG_MERGE
)
328 /* need a package to merge */
331 if (flags
& CLI_FLAG_MERGE
) {
332 if (uci_load(ctx
, name
, &package
) != UCI_OK
)
337 ret
= uci_import(ctx
, input
, name
, &package
, (name
!= NULL
));
340 ret
= uci_save(ctx
, package
);
342 struct uci_element
*e
;
343 /* loop through all config sections and overwrite existing data */
344 uci_foreach_element(&ctx
->root
, e
) {
345 struct uci_package
*p
= uci_to_package(e
);
346 ret
= uci_commit(ctx
, &p
, true);
359 static int uci_do_package_cmd(int cmd
, int argc
, char **argv
)
361 char **configs
= NULL
;
368 return package_cmd(cmd
, argv
[1]);
370 if ((uci_list_configs(ctx
, &configs
) != UCI_OK
) || !configs
) {
375 for (p
= configs
; *p
; p
++) {
376 package_cmd(cmd
, *p
);
382 static int uci_do_add(int argc
, char **argv
)
384 struct uci_package
*p
= NULL
;
385 struct uci_section
*s
= NULL
;
391 ret
= uci_load(ctx
, argv
[1], &p
);
395 ret
= uci_add_section(ctx
, p
, argv
[2], &s
);
399 ret
= uci_save(ctx
, p
);
405 fprintf(stdout
, "%s\n", s
->e
.name
);
410 static int uci_do_section_cmd(int cmd
, int argc
, char **argv
)
412 struct uci_element
*e
;
420 if (uci_lookup_ptr(ctx
, &ptr
, argv
[1], true) != UCI_OK
) {
425 if (ptr
.value
&& (cmd
!= CMD_SET
) && (cmd
!= CMD_DEL
) &&
426 (cmd
!= CMD_ADD_LIST
) && (cmd
!= CMD_DEL_LIST
) &&
427 (cmd
!= CMD_RENAME
) && (cmd
!= CMD_REORDER
))
433 if (!(ptr
.flags
& UCI_LOOKUP_COMPLETE
)) {
434 ctx
->err
= UCI_ERR_NOTFOUND
;
439 case UCI_TYPE_SECTION
:
440 printf("%s\n", ptr
.s
->type
);
442 case UCI_TYPE_OPTION
:
443 uci_show_value(ptr
.o
);
448 /* throw the value to stdout */
451 ret
= uci_rename(ctx
, &ptr
);
454 ret
= uci_revert(ctx
, &ptr
);
457 ret
= uci_set(ctx
, &ptr
);
460 ret
= uci_add_list(ctx
, &ptr
);
463 ret
= uci_del_list(ctx
, &ptr
);
466 if (!ptr
.s
|| !ptr
.value
) {
467 ctx
->err
= UCI_ERR_NOTFOUND
;
471 ret
= uci_reorder_section(ctx
, ptr
.s
, strtoul(ptr
.value
, NULL
, 10));
474 if (ptr
.value
&& !sscanf(ptr
.value
, "%d", &dummy
))
476 ret
= uci_delete(ctx
, &ptr
);
480 /* no save necessary for get */
481 if ((cmd
== CMD_GET
) || (cmd
== CMD_REVERT
))
484 /* save changes, but don't commit them yet */
486 ret
= uci_save(ctx
, ptr
.p
);
496 static int uci_batch_cmd(void)
498 char *argv
[MAX_ARGS
+ 2];
503 for(i
= 0; i
<= MAX_ARGS
; i
++) {
505 fprintf(stderr
, "Too many arguments\n");
509 if ((ret
= uci_parse_argument(ctx
, input
, &str
, &argv
[i
])) != UCI_OK
) {
516 argv
[i
] = strdup(argv
[i
]);
525 if (!strcasecmp(argv
[0], "exit"))
527 ret
= uci_cmd(i
, argv
);
531 for (j
= 0; j
< i
; j
++) {
539 static int uci_batch(void)
543 flags
|= CLI_FLAG_BATCH
;
544 while (!feof(input
)) {
545 struct uci_element
*e
, *tmp
;
547 ret
= uci_batch_cmd();
551 fprintf(stderr
, "Unknown command\n");
554 uci_foreach_element_safe(&ctx
->root
, tmp
, e
) {
555 uci_unload(ctx
, uci_to_package(e
));
558 flags
&= ~CLI_FLAG_BATCH
;
563 static int uci_cmd(int argc
, char **argv
)
567 if (!strcasecmp(argv
[0], "batch") && !(flags
& CLI_FLAG_BATCH
))
569 else if (!strcasecmp(argv
[0], "show"))
571 else if (!strcasecmp(argv
[0], "changes"))
573 else if (!strcasecmp(argv
[0], "export"))
575 else if (!strcasecmp(argv
[0], "commit"))
577 else if (!strcasecmp(argv
[0], "get"))
579 else if (!strcasecmp(argv
[0], "set"))
581 else if (!strcasecmp(argv
[0], "ren") ||
582 !strcasecmp(argv
[0], "rename"))
584 else if (!strcasecmp(argv
[0], "revert"))
586 else if (!strcasecmp(argv
[0], "reorder"))
588 else if (!strcasecmp(argv
[0], "del") ||
589 !strcasecmp(argv
[0], "delete"))
591 else if (!strcasecmp(argv
[0], "import"))
593 else if (!strcasecmp(argv
[0], "help"))
595 else if (!strcasecmp(argv
[0], "add"))
597 else if (!strcasecmp(argv
[0], "add_list"))
599 else if (!strcasecmp(argv
[0], "del_list"))
613 return uci_do_section_cmd(cmd
, argc
, argv
);
618 return uci_do_package_cmd(cmd
, argc
, argv
);
620 return uci_do_import(argc
, argv
);
622 return uci_do_add(argc
, argv
);
631 int main(int argc
, char **argv
)
636 flags
= CLI_FLAG_SHOW_EXT
;
639 ctx
= uci_alloc_context();
641 fprintf(stderr
, "Out of memory\n");
645 while((c
= getopt(argc
, argv
, "c:d:f:LmnNp:P:sSqX")) != -1) {
648 uci_set_confdir(ctx
, optarg
);
654 if (input
!= stdin
) {
659 input
= fopen(optarg
, "r");
666 flags
|= CLI_FLAG_MERGE
;
669 ctx
->flags
|= UCI_FLAG_STRICT
;
672 ctx
->flags
&= ~UCI_FLAG_STRICT
;
673 ctx
->flags
|= UCI_FLAG_PERROR
;
676 ctx
->flags
|= UCI_FLAG_EXPORT_NAME
;
679 ctx
->flags
&= ~UCI_FLAG_EXPORT_NAME
;
682 uci_add_delta_path(ctx
, optarg
);
685 uci_add_delta_path(ctx
, ctx
->savedir
);
686 uci_set_savedir(ctx
, optarg
);
687 flags
|= CLI_FLAG_NOCOMMIT
;
690 flags
|= CLI_FLAG_QUIET
;
693 flags
&= ~CLI_FLAG_SHOW_EXT
;
701 argv
[optind
- 1] = argv
[0];
710 ret
= uci_cmd(argc
- 1, argv
+ 1);
717 uci_free_context(ctx
);