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 *appname;
24 CLI_FLAG_MERGE = (1 << 0),
25 CLI_FLAG_QUIET = (1 << 1),
26 CLI_FLAG_NOCOMMIT = (1 << 2),
27 CLI_FLAG_BATCH = (1 << 3),
32 static struct uci_context *ctx;
51 static int uci_cmd(int argc, char **argv);
53 static void uci_usage(void)
56 "Usage: %s [<options>] <command> [<arguments>]\n\n"
59 "\texport [<config>]\n"
60 "\timport [<config>]\n"
61 "\tchanges [<config>]\n"
62 "\tcommit [<config>]\n"
63 "\tadd <config> <section-type>\n"
64 "\tshow [<config>[.<section>[.<option>]]]\n"
65 "\tget <config>.<section>[.<option>]\n"
66 "\tset <config>.<section>[.<option>]=<value>\n"
67 "\trename <config>.<section>[.<option>]=<name>\n"
68 "\trevert <config>[.<section>[.<option>]]\n"
71 "\t-c <path> set the search path for config files (default: /etc/config)\n"
72 "\t-f <file> use <file> as input instead of stdin\n"
73 "\t-m when importing, merge data into an existing package\n"
74 "\t-n name unnamed sections on export (default)\n"
75 "\t-N don't name unnamed sections\n"
76 "\t-p <path> add a search path for config change files\n"
77 "\t-P <path> add a search path for config change files and use as default\n"
78 "\t-q quiet mode (don't print error messages)\n"
79 "\t-s force strict mode (stop on parser errors, default)\n"
80 "\t-S disable strict mode\n"
86 static void cli_perror(void)
88 if (flags & CLI_FLAG_QUIET)
91 uci_perror(ctx, appname);
94 static void uci_show_option(struct uci_option *o)
97 o->section->package->e.name,
102 case UCI_TYPE_STRING:
103 printf("%s\n", o->v.string);
106 printf("<unknown>\n");
111 static void uci_show_section(struct uci_section *p)
113 struct uci_element *e;
114 const char *cname, *sname;
116 cname = p->package->e.name;
118 printf("%s.%s=%s\n", cname, sname, p->type);
119 uci_foreach_element(&p->options, e) {
120 uci_show_option(uci_to_option(e));
124 static void uci_show_package(struct uci_package *p)
126 struct uci_element *e;
128 uci_foreach_element( &p->sections, e) {
129 uci_show_section(uci_to_section(e));
133 static void uci_show_changes(struct uci_package *p)
135 struct uci_element *e;
137 uci_foreach_element(&p->saved_history, e) {
138 struct uci_history *h = uci_to_history(e);
140 if (h->cmd == UCI_CMD_REMOVE)
142 printf("%s.%s", p->e.name, h->section);
144 printf(".%s", e->name);
145 if (h->cmd != UCI_CMD_REMOVE)
146 printf("=%s", h->value);
151 static int package_cmd(int cmd, char *tuple)
153 struct uci_package *p;
154 struct uci_section *s;
155 struct uci_element *e = NULL;
157 if (uci_lookup_ext(ctx, &e, tuple) != UCI_OK) {
162 case UCI_TYPE_PACKAGE:
163 p = uci_to_package(e);
165 case UCI_TYPE_SECTION:
166 s = uci_to_section(e);
169 case UCI_TYPE_OPTION:
170 s = uci_to_option(e)->section;
182 if (flags & CLI_FLAG_NOCOMMIT)
184 if (uci_commit(ctx, &p, false) != UCI_OK)
188 uci_export(ctx, stdout, p, true);
192 case UCI_TYPE_PACKAGE:
195 case UCI_TYPE_SECTION:
196 uci_show_section(uci_to_section(e));
198 case UCI_TYPE_OPTION:
199 uci_show_option(uci_to_option(e));
202 /* should not happen */
212 static int uci_do_import(int argc, char **argv)
214 struct uci_package *package = NULL;
224 else if (flags & CLI_FLAG_MERGE)
225 /* need a package to merge */
228 if (flags & CLI_FLAG_MERGE) {
229 if (uci_load(ctx, name, &package) != UCI_OK)
234 ret = uci_import(ctx, input, name, &package, (name != NULL));
237 ret = uci_save(ctx, package);
239 struct uci_element *e;
240 /* loop through all config sections and overwrite existing data */
241 uci_foreach_element(&ctx->root, e) {
242 struct uci_package *p = uci_to_package(e);
243 ret = uci_commit(ctx, &p, true);
256 static int uci_do_package_cmd(int cmd, int argc, char **argv)
258 char **configs = NULL;
265 return package_cmd(cmd, argv[1]);
267 if ((uci_list_configs(ctx, &configs) != UCI_OK) || !configs) {
272 for (p = configs; *p; p++) {
273 package_cmd(cmd, *p);
279 static int uci_do_add(int argc, char **argv)
281 struct uci_package *p = NULL;
282 struct uci_section *s = NULL;
288 ret = uci_load(ctx, argv[1], &p);
292 ret = uci_add_section(ctx, p, argv[2], &s);
296 ret = uci_save(ctx, p);
302 fprintf(stdout, "%s\n", s->e.name);
307 static int uci_do_section_cmd(int cmd, int argc, char **argv)
309 struct uci_package *p = NULL;
310 struct uci_section *s = NULL;
311 struct uci_element *e = NULL;
312 struct uci_option *o = NULL;
313 char *section = NULL;
321 value = strchr(argv[1], '=');
325 if (!uci_validate_text(value))
329 if (value && (cmd != CMD_SET) && (cmd != CMD_RENAME))
332 if (uci_lookup_ext(ctx, &e, argv[1]) != UCI_OK) {
338 case UCI_TYPE_SECTION:
339 s = uci_to_section(e);
341 case UCI_TYPE_OPTION:
343 s = uci_to_option(e)->section;
354 case UCI_TYPE_SECTION:
355 printf("%s\n", s->type);
357 case UCI_TYPE_OPTION:
358 o = uci_to_option(e);
360 case UCI_TYPE_STRING:
361 printf("%s\n", o->v.string);
364 printf("<unknown>\n");
371 /* throw the value to stdout */
374 ret = uci_rename(ctx, p, section, option, value);
377 ret = uci_revert(ctx, &p, section, option);
380 ret = uci_set(ctx, p, section, option, value, NULL);
383 ret = uci_delete(ctx, p, section, option);
387 /* no save necessary for get */
388 if ((cmd == CMD_GET) || (cmd == CMD_REVERT))
391 /* save changes, but don't commit them yet */
393 ret = uci_save(ctx, p);
403 static int uci_batch_cmd(void)
405 char *argv[MAX_ARGS];
410 for(i = 0; i <= MAX_ARGS; i++) {
412 fprintf(stderr, "Too many arguments\n");
416 if ((ret = uci_parse_argument(ctx, input, &str, &argv[i])) != UCI_OK) {
423 argv[i] = strdup(argv[i]);
432 if (!strcasecmp(argv[0], "exit"))
434 ret = uci_cmd(i, argv);
438 for (j = 0; j < i; j++) {
446 static int uci_batch(void)
450 while (!feof(input)) {
451 struct uci_element *e, *tmp;
453 ret = uci_batch_cmd();
457 fprintf(stderr, "Unknown command\n");
460 uci_foreach_element_safe(&ctx->root, tmp, e) {
461 uci_unload(ctx, uci_to_package(e));
467 static int uci_cmd(int argc, char **argv)
471 if (!strcasecmp(argv[0], "batch") && !(flags & CLI_FLAG_BATCH))
473 else if (!strcasecmp(argv[0], "show"))
475 else if (!strcasecmp(argv[0], "changes"))
477 else if (!strcasecmp(argv[0], "export"))
479 else if (!strcasecmp(argv[0], "commit"))
481 else if (!strcasecmp(argv[0], "get"))
483 else if (!strcasecmp(argv[0], "set"))
485 else if (!strcasecmp(argv[0], "ren") ||
486 !strcasecmp(argv[0], "rename"))
488 else if (!strcasecmp(argv[0], "revert"))
490 else if (!strcasecmp(argv[0], "del"))
492 else if (!strcasecmp(argv[0], "import"))
494 else if (!strcasecmp(argv[0], "help"))
496 else if (!strcasecmp(argv[0], "add"))
507 return uci_do_section_cmd(cmd, argc, argv);
512 return uci_do_package_cmd(cmd, argc, argv);
514 return uci_do_import(argc, argv);
516 return uci_do_add(argc, argv);
525 int main(int argc, char **argv)
532 ctx = uci_alloc_context();
534 fprintf(stderr, "Out of memory\n");
538 while((c = getopt(argc, argv, "c:f:mnNp:P:sSq")) != -1) {
541 uci_set_confdir(ctx, optarg);
544 input = fopen(optarg, "r");
551 flags |= CLI_FLAG_MERGE;
554 ctx->flags |= UCI_FLAG_STRICT;
557 ctx->flags &= ~UCI_FLAG_STRICT;
558 ctx->flags |= UCI_FLAG_PERROR;
561 ctx->flags |= UCI_FLAG_EXPORT_NAME;
564 ctx->flags &= ~UCI_FLAG_EXPORT_NAME;
567 uci_add_history_path(ctx, optarg);
570 uci_add_history_path(ctx, ctx->savedir);
571 uci_set_savedir(ctx, optarg);
572 flags |= CLI_FLAG_NOCOMMIT;
575 flags |= CLI_FLAG_QUIET;
583 argv[optind - 1] = argv[0];
591 ret = uci_cmd(argc - 1, argv + 1);
599 uci_free_context(ctx);