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.
22 #define MAX_ARGS 4 /* max command line arguments for batch mode */
24 static const char *delimiter = " ";
25 static const char *appname;
27 CLI_FLAG_MERGE = (1 << 0),
28 CLI_FLAG_QUIET = (1 << 1),
29 CLI_FLAG_NOCOMMIT = (1 << 2),
30 CLI_FLAG_BATCH = (1 << 3),
31 CLI_FLAG_SHOW_EXT = (1 << 4),
36 static struct uci_context *ctx;
58 struct uci_type_list {
61 struct uci_type_list *next;
64 static struct uci_type_list *type_list = NULL;
65 static char *typestr = NULL;
66 static const char *cur_section_ref = NULL;
68 static int uci_cmd(int argc, char **argv);
71 uci_reset_typelist(void)
73 struct uci_type_list *type;
74 while (type_list != NULL) {
76 type_list = type_list->next;
83 cur_section_ref = NULL;
87 uci_lookup_section_ref(struct uci_section *s)
89 struct uci_type_list *ti = type_list;
93 if (!(flags & CLI_FLAG_SHOW_EXT))
96 /* look up in section type list */
98 if (strcmp(ti->name, s->type) == 0)
103 ti = malloc(sizeof(struct uci_type_list));
106 memset(ti, 0, sizeof(struct uci_type_list));
107 ti->next = type_list;
113 maxlen = strlen(s->type) + 1 + 2 + 10;
115 typestr = malloc(maxlen);
117 typestr = realloc(typestr, maxlen);
121 sprintf(typestr, "@%s[%d]", ti->name, ti->idx);
133 static void uci_usage(void)
136 "Usage: %s [<options>] <command> [<arguments>]\n\n"
139 "\texport [<config>]\n"
140 "\timport [<config>]\n"
141 "\tchanges [<config>]\n"
142 "\tcommit [<config>]\n"
143 "\tadd <config> <section-type>\n"
144 "\tadd_list <config>.<section>.<option>=<string>\n"
145 "\tdel_list <config>.<section>.<option>=<string>\n"
146 "\tshow [<config>[.<section>[.<option>]]]\n"
147 "\tget <config>.<section>[.<option>]\n"
148 "\tset <config>.<section>[.<option>]=<value>\n"
149 "\tdelete <config>[.<section>[[.<option>][=<id>]]]\n"
150 "\trename <config>.<section>[.<option>]=<name>\n"
151 "\trevert <config>[.<section>[.<option>]]\n"
152 "\treorder <config>.<section>=<position>\n"
155 "\t-c <path> set the search path for config files (default: /etc/config)\n"
156 "\t-d <str> set the delimiter for list values in uci show\n"
157 "\t-f <file> use <file> as input instead of stdin\n"
158 "\t-m when importing, merge data into an existing package\n"
159 "\t-p <path> add a search path for config change files\n"
160 "\t-P <path> add a search path for config change files and use as default\n"
161 "\t-q quiet mode (don't print error messages)\n"
162 "\t-s force strict mode (stop on parser errors, default)\n"
163 "\t-S disable strict mode\n"
164 "\t-X do not use extended syntax on 'show'\n"
170 static void cli_perror(void)
172 if (flags & CLI_FLAG_QUIET)
175 uci_perror(ctx, appname);
178 static void cli_error(const char *fmt, ...)
182 if (flags & CLI_FLAG_QUIET)
186 vfprintf(stderr, fmt, ap);
190 static void uci_print_value(FILE *f, const char *v)
203 static void uci_show_value(struct uci_option *o, bool quote)
205 struct uci_element *e;
210 case UCI_TYPE_STRING:
212 uci_print_value(stdout, o->v.string);
214 printf("%s", o->v.string);
218 uci_foreach_element(&o->v.list, e) {
219 printf("%s", (sep ? delimiter : ""));
220 space = strpbrk(e->name, " \t\r\n");
221 if (!space && !quote)
222 printf("%s", e->name);
224 uci_print_value(stdout, e->name);
230 printf("<unknown>\n");
235 static void uci_show_option(struct uci_option *o, bool quote)
238 o->section->package->e.name,
239 (cur_section_ref ? cur_section_ref : o->section->e.name),
241 uci_show_value(o, quote);
244 static void uci_show_section(struct uci_section *s)
246 struct uci_element *e;
250 cname = s->package->e.name;
251 sname = (cur_section_ref ? cur_section_ref : s->e.name);
252 printf("%s.%s=%s\n", cname, sname, s->type);
253 uci_foreach_element(&s->options, e) {
254 uci_show_option(uci_to_option(e), true);
258 static void uci_show_package(struct uci_package *p)
260 struct uci_element *e;
262 uci_reset_typelist();
263 uci_foreach_element( &p->sections, e) {
264 struct uci_section *s = uci_to_section(e);
265 cur_section_ref = uci_lookup_section_ref(s);
268 uci_reset_typelist();
271 static void uci_show_changes(struct uci_package *p)
273 struct uci_element *e;
275 uci_foreach_element(&p->saved_delta, e) {
276 struct uci_delta *h = uci_to_delta(e);
284 case UCI_CMD_LIST_ADD:
287 case UCI_CMD_LIST_DEL:
293 printf("%s%s.%s", prefix, p->e.name, h->section);
295 printf(".%s", e->name);
296 if (h->cmd != UCI_CMD_REMOVE) {
298 uci_print_value(stdout, h->value);
304 static int package_cmd(int cmd, char *tuple)
306 struct uci_element *e = NULL;
310 if (uci_lookup_ptr(ctx, &ptr, tuple, true) != UCI_OK) {
318 uci_show_changes(ptr.p);
321 if (flags & CLI_FLAG_NOCOMMIT) {
325 if (uci_commit(ctx, &ptr.p, false) != UCI_OK) {
331 if (uci_export(ctx, stdout, ptr.p, true) != UCI_OK) {
336 if (!(ptr.flags & UCI_LOOKUP_COMPLETE)) {
337 ctx->err = UCI_ERR_NOTFOUND;
342 case UCI_TYPE_PACKAGE:
343 uci_show_package(ptr.p);
345 case UCI_TYPE_SECTION:
346 uci_show_section(ptr.s);
348 case UCI_TYPE_OPTION:
349 uci_show_option(ptr.o, true);
352 /* should not happen */
362 uci_unload(ctx, ptr.p);
366 static int uci_do_import(int argc, char **argv)
368 struct uci_package *package = NULL;
378 else if (flags & CLI_FLAG_MERGE)
379 /* need a package to merge */
382 if (flags & CLI_FLAG_MERGE) {
383 if (uci_load(ctx, name, &package) != UCI_OK)
388 ret = uci_import(ctx, input, name, &package, (name != NULL));
391 ret = uci_save(ctx, package);
393 struct uci_element *e;
394 /* loop through all config sections and overwrite existing data */
395 uci_foreach_element(&ctx->root, e) {
396 struct uci_package *p = uci_to_package(e);
397 ret = uci_commit(ctx, &p, true);
410 static int uci_do_package_cmd(int cmd, int argc, char **argv)
412 char **configs = NULL;
420 return package_cmd(cmd, argv[1]);
422 if ((uci_list_configs(ctx, &configs) != UCI_OK) || !configs) {
427 for (p = configs; *p; p++) {
428 package_cmd(cmd, *p);
437 static int uci_do_add(int argc, char **argv)
439 struct uci_package *p = NULL;
440 struct uci_section *s = NULL;
446 ret = uci_load(ctx, argv[1], &p);
450 ret = uci_add_section(ctx, p, argv[2], &s);
454 ret = uci_save(ctx, p);
460 fprintf(stdout, "%s\n", s->e.name);
465 static int uci_do_section_cmd(int cmd, int argc, char **argv)
467 struct uci_element *e;
475 if (uci_lookup_ptr(ctx, &ptr, argv[1], true) != UCI_OK) {
480 if (ptr.value && (cmd != CMD_SET) && (cmd != CMD_DEL) &&
481 (cmd != CMD_ADD_LIST) && (cmd != CMD_DEL_LIST) &&
482 (cmd != CMD_RENAME) && (cmd != CMD_REORDER))
488 if (!(ptr.flags & UCI_LOOKUP_COMPLETE)) {
489 ctx->err = UCI_ERR_NOTFOUND;
494 case UCI_TYPE_SECTION:
495 printf("%s\n", ptr.s->type);
497 case UCI_TYPE_OPTION:
498 uci_show_value(ptr.o, false);
503 /* throw the value to stdout */
506 ret = uci_rename(ctx, &ptr);
509 ret = uci_revert(ctx, &ptr);
512 ret = uci_set(ctx, &ptr);
515 ret = uci_add_list(ctx, &ptr);
518 ret = uci_del_list(ctx, &ptr);
521 if (!ptr.s || !ptr.value) {
522 ctx->err = UCI_ERR_NOTFOUND;
526 ret = uci_reorder_section(ctx, ptr.s, strtoul(ptr.value, NULL, 10));
529 if (ptr.value && !sscanf(ptr.value, "%d", &dummy))
531 ret = uci_delete(ctx, &ptr);
535 /* no save necessary for get */
536 if ((cmd == CMD_GET) || (cmd == CMD_REVERT))
539 /* save changes, but don't commit them yet */
541 ret = uci_save(ctx, ptr.p);
551 static int uci_batch_cmd(void)
553 char *argv[MAX_ARGS + 2];
558 for(i = 0; i <= MAX_ARGS; i++) {
560 cli_error("Too many arguments\n");
564 if ((ret = uci_parse_argument(ctx, input, &str, &argv[i])) != UCI_OK) {
571 argv[i] = strdup(argv[i]);
573 cli_error("uci: %s", strerror(errno));
580 if (!strcasecmp(argv[0], "exit"))
582 ret = uci_cmd(i, argv);
586 for (j = 0; j < i; j++) {
593 static int uci_batch(void)
597 flags |= CLI_FLAG_BATCH;
598 while (!feof(input)) {
599 struct uci_element *e, *tmp;
601 ret = uci_batch_cmd();
605 cli_error("Unknown command\n");
608 uci_foreach_element_safe(&ctx->root, tmp, e) {
609 uci_unload(ctx, uci_to_package(e));
612 flags &= ~CLI_FLAG_BATCH;
617 static int uci_cmd(int argc, char **argv)
621 if (!strcasecmp(argv[0], "batch") && !(flags & CLI_FLAG_BATCH))
623 else if (!strcasecmp(argv[0], "show"))
625 else if (!strcasecmp(argv[0], "changes"))
627 else if (!strcasecmp(argv[0], "export"))
629 else if (!strcasecmp(argv[0], "commit"))
631 else if (!strcasecmp(argv[0], "get"))
633 else if (!strcasecmp(argv[0], "set"))
635 else if (!strcasecmp(argv[0], "ren") ||
636 !strcasecmp(argv[0], "rename"))
638 else if (!strcasecmp(argv[0], "revert"))
640 else if (!strcasecmp(argv[0], "reorder"))
642 else if (!strcasecmp(argv[0], "del") ||
643 !strcasecmp(argv[0], "delete"))
645 else if (!strcasecmp(argv[0], "import"))
647 else if (!strcasecmp(argv[0], "help"))
649 else if (!strcasecmp(argv[0], "add"))
651 else if (!strcasecmp(argv[0], "add_list"))
653 else if (!strcasecmp(argv[0], "del_list"))
667 return uci_do_section_cmd(cmd, argc, argv);
672 return uci_do_package_cmd(cmd, argc, argv);
674 return uci_do_import(argc, argv);
676 return uci_do_add(argc, argv);
685 int main(int argc, char **argv)
690 flags = CLI_FLAG_SHOW_EXT;
693 ctx = uci_alloc_context();
695 cli_error("Out of memory\n");
699 while((c = getopt(argc, argv, "c:d:f:LmnNp:P:sSqX")) != -1) {
702 uci_set_confdir(ctx, optarg);
708 if (input != stdin) {
710 cli_error("Too many input files.\n");
714 input = fopen(optarg, "r");
716 cli_error("uci: %s", strerror(errno));
721 flags |= CLI_FLAG_MERGE;
724 ctx->flags |= UCI_FLAG_STRICT;
727 ctx->flags &= ~UCI_FLAG_STRICT;
728 ctx->flags |= UCI_FLAG_PERROR;
731 uci_add_delta_path(ctx, optarg);
734 uci_add_delta_path(ctx, ctx->savedir);
735 uci_set_savedir(ctx, optarg);
736 flags |= CLI_FLAG_NOCOMMIT;
739 flags |= CLI_FLAG_QUIET;
742 flags &= ~CLI_FLAG_SHOW_EXT;
754 argv[optind - 1] = argv[0];
763 ret = uci_cmd(argc - 1, argv + 1);
770 uci_free_context(ctx);