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)
96 printf("%s.%s.%s=%s\n",
97 o->section->package->e.name,
103 static void uci_show_section(struct uci_section *p)
105 struct uci_element *e;
106 const char *cname, *sname;
108 cname = p->package->e.name;
110 printf("%s.%s=%s\n", cname, sname, p->type);
111 uci_foreach_element(&p->options, e) {
112 uci_show_option(uci_to_option(e));
116 static void uci_show_package(struct uci_package *p)
118 struct uci_element *e;
120 uci_foreach_element( &p->sections, e) {
121 uci_show_section(uci_to_section(e));
125 static void uci_show_changes(struct uci_package *p)
127 struct uci_element *e;
129 uci_foreach_element(&p->saved_history, e) {
130 struct uci_history *h = uci_to_history(e);
132 if (h->cmd == UCI_CMD_REMOVE)
134 printf("%s.%s", p->e.name, h->section);
136 printf(".%s", e->name);
137 if (h->cmd != UCI_CMD_REMOVE)
138 printf("=%s", h->value);
143 static int package_cmd(int cmd, char *tuple)
145 struct uci_package *p;
146 struct uci_section *s;
147 struct uci_element *e = NULL;
149 if (uci_lookup_ext(ctx, &e, tuple) != UCI_OK) {
154 case UCI_TYPE_PACKAGE:
155 p = uci_to_package(e);
157 case UCI_TYPE_SECTION:
158 s = uci_to_section(e);
161 case UCI_TYPE_OPTION:
162 s = uci_to_option(e)->section;
174 if (flags & CLI_FLAG_NOCOMMIT)
176 if (uci_commit(ctx, &p, false) != UCI_OK)
180 uci_export(ctx, stdout, p, true);
184 case UCI_TYPE_PACKAGE:
187 case UCI_TYPE_SECTION:
188 uci_show_section(uci_to_section(e));
190 case UCI_TYPE_OPTION:
191 uci_show_option(uci_to_option(e));
194 /* should not happen */
204 static int uci_do_import(int argc, char **argv)
206 struct uci_package *package = NULL;
216 else if (flags & CLI_FLAG_MERGE)
217 /* need a package to merge */
220 if (flags & CLI_FLAG_MERGE) {
221 if (uci_load(ctx, name, &package) != UCI_OK)
226 ret = uci_import(ctx, input, name, &package, (name != NULL));
229 ret = uci_save(ctx, package);
231 struct uci_element *e;
232 /* loop through all config sections and overwrite existing data */
233 uci_foreach_element(&ctx->root, e) {
234 struct uci_package *p = uci_to_package(e);
235 ret = uci_commit(ctx, &p, true);
248 static int uci_do_package_cmd(int cmd, int argc, char **argv)
250 char **configs = NULL;
257 return package_cmd(cmd, argv[1]);
259 if ((uci_list_configs(ctx, &configs) != UCI_OK) || !configs) {
264 for (p = configs; *p; p++) {
265 package_cmd(cmd, *p);
271 static int uci_do_add(int argc, char **argv)
273 struct uci_package *p = NULL;
274 struct uci_section *s = NULL;
280 ret = uci_load(ctx, argv[1], &p);
284 ret = uci_add_section(ctx, p, argv[2], &s);
288 ret = uci_save(ctx, p);
294 fprintf(stdout, "%s\n", s->e.name);
299 static int uci_do_section_cmd(int cmd, int argc, char **argv)
301 struct uci_package *p = NULL;
302 struct uci_section *s = NULL;
303 struct uci_element *e = NULL;
304 char *section = NULL;
312 value = strchr(argv[1], '=');
316 if (!uci_validate_text(value))
320 if (value && (cmd != CMD_SET) && (cmd != CMD_RENAME))
323 if (uci_lookup_ext(ctx, &e, argv[1]) != UCI_OK) {
329 case UCI_TYPE_SECTION:
330 s = uci_to_section(e);
332 case UCI_TYPE_OPTION:
334 s = uci_to_option(e)->section;
345 case UCI_TYPE_SECTION:
348 case UCI_TYPE_OPTION:
349 value = uci_to_option(e)->value;
354 /* throw the value to stdout */
355 printf("%s\n", value);
358 ret = uci_rename(ctx, p, section, option, value);
361 ret = uci_revert(ctx, &p, section, option);
364 ret = uci_set(ctx, p, section, option, value, NULL);
367 ret = uci_delete(ctx, p, section, option);
371 /* no save necessary for get */
372 if ((cmd == CMD_GET) || (cmd == CMD_REVERT))
375 /* save changes, but don't commit them yet */
377 ret = uci_save(ctx, p);
387 static int uci_batch_cmd(void)
389 char *argv[MAX_ARGS];
394 for(i = 0; i <= MAX_ARGS; i++) {
396 fprintf(stderr, "Too many arguments\n");
400 if ((ret = uci_parse_argument(ctx, input, &str, &argv[i])) != UCI_OK) {
407 argv[i] = strdup(argv[i]);
416 if (!strcasecmp(argv[0], "exit"))
418 ret = uci_cmd(i, argv);
422 for (j = 0; j < i; j++) {
430 static int uci_batch(void)
434 while (!feof(input)) {
435 struct uci_element *e, *tmp;
437 ret = uci_batch_cmd();
441 fprintf(stderr, "Unknown command\n");
444 uci_foreach_element_safe(&ctx->root, tmp, e) {
445 uci_unload(ctx, uci_to_package(e));
451 static int uci_cmd(int argc, char **argv)
455 if (!strcasecmp(argv[0], "batch") && !(flags & CLI_FLAG_BATCH))
457 else if (!strcasecmp(argv[0], "show"))
459 else if (!strcasecmp(argv[0], "changes"))
461 else if (!strcasecmp(argv[0], "export"))
463 else if (!strcasecmp(argv[0], "commit"))
465 else if (!strcasecmp(argv[0], "get"))
467 else if (!strcasecmp(argv[0], "set"))
469 else if (!strcasecmp(argv[0], "ren") ||
470 !strcasecmp(argv[0], "rename"))
472 else if (!strcasecmp(argv[0], "revert"))
474 else if (!strcasecmp(argv[0], "del"))
476 else if (!strcasecmp(argv[0], "import"))
478 else if (!strcasecmp(argv[0], "help"))
480 else if (!strcasecmp(argv[0], "add"))
491 return uci_do_section_cmd(cmd, argc, argv);
496 return uci_do_package_cmd(cmd, argc, argv);
498 return uci_do_import(argc, argv);
500 return uci_do_add(argc, argv);
509 int main(int argc, char **argv)
516 ctx = uci_alloc_context();
518 fprintf(stderr, "Out of memory\n");
522 while((c = getopt(argc, argv, "c:f:mnNp:P:sSq")) != -1) {
525 uci_set_confdir(ctx, optarg);
528 input = fopen(optarg, "r");
535 flags |= CLI_FLAG_MERGE;
538 ctx->flags |= UCI_FLAG_STRICT;
541 ctx->flags &= ~UCI_FLAG_STRICT;
542 ctx->flags |= UCI_FLAG_PERROR;
545 ctx->flags |= UCI_FLAG_EXPORT_NAME;
548 ctx->flags &= ~UCI_FLAG_EXPORT_NAME;
551 uci_add_history_path(ctx, optarg);
554 uci_add_history_path(ctx, ctx->savedir);
555 uci_set_savedir(ctx, optarg);
556 flags |= CLI_FLAG_NOCOMMIT;
559 flags |= CLI_FLAG_QUIET;
567 argv[optind - 1] = argv[0];
575 ret = uci_cmd(argc - 1, argv + 1);
583 uci_free_context(ctx);