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.
19 #define MAX_ARGS 4 /* max command line arguments for batch mode */
21 static const char *appname;
23 CLI_FLAG_MERGE = (1 << 0),
24 CLI_FLAG_QUIET = (1 << 1),
25 CLI_FLAG_NOCOMMIT = (1 << 2),
26 CLI_FLAG_BATCH = (1 << 3),
31 static struct uci_context *ctx;
49 static int uci_cmd(int argc, char **argv);
51 static void uci_usage(void)
54 "Usage: %s [<options>] <command> [<arguments>]\n\n"
57 "\texport [<config>]\n"
58 "\timport [<config>]\n"
59 "\tshow [<config>[.<section>[.<option>]]]\n"
60 "\tget <config>.<section>[.<option>]\n"
61 "\tset <config>.<section>[.<option>]=<value>\n"
62 "\trename <config>.<section>[.<option>]=<name>\n"
63 "\trevert <config>[.<section>[.<option>]]\n"
66 "\t-f <file> use <file> as input instead of stdin\n"
67 "\t-m when importing, merge data into an existing package\n"
68 "\t-n name unnamed sections on export (default)\n"
69 "\t-N don't name unnamed sections\n"
70 "\t-p <path> add a search path for config change files\n"
71 "\t-P <path> add a search path for config change files and use as default\n"
72 "\t-q quiet mode (don't print error messages)\n"
73 "\t-s force strict mode (stop on parser errors, default)\n"
74 "\t-S disable strict mode\n"
80 static void cli_perror(void)
82 if (flags & CLI_FLAG_QUIET)
85 uci_perror(ctx, appname);
88 static void uci_show_section(struct uci_section *p)
90 struct uci_element *e;
91 const char *cname, *sname;
93 cname = p->package->e.name;
95 printf("%s.%s=%s\n", cname, sname, p->type);
96 uci_foreach_element(&p->options, e) {
97 printf("%s.%s.%s=%s\n", cname, sname, e->name, uci_to_option(e)->value);
101 static void uci_show_package(struct uci_package *p)
103 struct uci_element *e;
105 uci_foreach_element( &p->sections, e) {
106 uci_show_section(uci_to_section(e));
110 static void uci_show_changes(struct uci_package *p)
112 struct uci_element *e;
114 uci_foreach_element(&p->saved_history, e) {
115 struct uci_history *h = uci_to_history(e);
117 if (h->cmd == UCI_CMD_REMOVE)
119 printf("%s.%s", p->e.name, h->section);
121 printf(".%s", e->name);
122 if (h->cmd != UCI_CMD_REMOVE)
123 printf("=%s", h->value);
128 static int package_cmd(int cmd, char *package)
130 struct uci_package *p = NULL;
133 if (cmd == CMD_CHANGES)
134 ctx->flags |= UCI_FLAG_SAVED_HISTORY;
135 ret = uci_load(ctx, package, &p);
136 if (cmd == CMD_CHANGES)
137 ctx->flags &= ~UCI_FLAG_SAVED_HISTORY;
150 if (flags & CLI_FLAG_NOCOMMIT)
152 if (uci_commit(ctx, &p, false) != UCI_OK)
156 uci_export(ctx, stdout, p, true);
167 static int uci_do_import(int argc, char **argv)
169 struct uci_package *package = NULL;
178 else if (flags & CLI_FLAG_MERGE)
179 /* need a package to merge */
182 if (flags & CLI_FLAG_MERGE) {
183 if (uci_load(ctx, name, &package) != UCI_OK)
186 ret = uci_import(ctx, input, name, &package, (name != NULL));
188 if (flags & CLI_FLAG_MERGE) {
189 ret = uci_save(ctx, package);
191 struct uci_element *e;
192 /* loop through all config sections and overwrite existing data */
193 uci_foreach_element(&ctx->root, e) {
194 struct uci_package *p = uci_to_package(e);
195 ret = uci_commit(ctx, &p, true);
208 static int uci_do_package_cmd(int cmd, int argc, char **argv)
210 char **configs = NULL;
217 return package_cmd(cmd, argv[1]);
219 if ((uci_list_configs(ctx, &configs) != UCI_OK) || !configs) {
224 for (p = configs; *p; p++) {
225 package_cmd(cmd, *p);
232 static int uci_do_section_cmd(int cmd, int argc, char **argv)
234 struct uci_package *p = NULL;
235 struct uci_element *e = NULL;
236 char *package = NULL;
237 char *section = NULL;
254 if (uci_parse_tuple(ctx, argv[1], &package, §ion, &option, ptr) != UCI_OK)
257 if (uci_load(ctx, package, &p) != UCI_OK) {
266 if (uci_lookup(ctx, &e, p, section, option) != UCI_OK)
270 case UCI_TYPE_SECTION:
271 value = uci_to_section(e)->type;
273 case UCI_TYPE_OPTION:
274 value = uci_to_option(e)->value;
277 /* should not happen */
280 /* throw the value to stdout */
281 printf("%s\n", value);
284 ret = uci_rename(ctx, p, section, option, value);
287 ret = uci_revert(ctx, &p, section, option);
290 ret = uci_set(ctx, p, section, option, value);
293 ret = uci_delete(ctx, p, section, option);
297 /* no save necessary for get */
298 if ((cmd == CMD_GET) || (cmd == CMD_REVERT))
301 /* save changes, but don't commit them yet */
303 ret = uci_save(ctx, p);
313 static int uci_batch_cmd(void)
315 char *argv[MAX_ARGS];
320 for(i = 0; i <= MAX_ARGS; i++) {
322 fprintf(stderr, "Too many arguments\n");
326 if ((ret = uci_parse_argument(ctx, input, &str, &argv[i])) != UCI_OK) {
333 argv[i] = strdup(argv[i]);
342 if (!strcasecmp(argv[0], "exit"))
344 ret = uci_cmd(i, argv);
348 for (j = 0; j < i; j++) {
356 static int uci_batch(void)
360 while (!feof(input)) {
361 struct uci_element *e, *tmp;
363 ret = uci_batch_cmd();
367 fprintf(stderr, "Unknown command\n");
371 uci_foreach_element_safe(&ctx->root, tmp, e) {
372 uci_unload(ctx, uci_to_package(e));
378 static int uci_cmd(int argc, char **argv)
382 if (!strcasecmp(argv[0], "batch") && !(flags & CLI_FLAG_BATCH))
384 else if (!strcasecmp(argv[0], "show"))
386 else if (!strcasecmp(argv[0], "changes"))
388 else if (!strcasecmp(argv[0], "export"))
390 else if (!strcasecmp(argv[0], "commit"))
392 else if (!strcasecmp(argv[0], "get"))
394 else if (!strcasecmp(argv[0], "set"))
396 else if (!strcasecmp(argv[0], "ren") ||
397 !strcasecmp(argv[0], "rename"))
399 else if (!strcasecmp(argv[0], "revert"))
401 else if (!strcasecmp(argv[0], "del"))
403 else if (!strcasecmp(argv[0], "import"))
405 else if (!strcasecmp(argv[0], "help"))
416 return uci_do_section_cmd(cmd, argc, argv);
421 return uci_do_package_cmd(cmd, argc, argv);
423 return uci_do_import(argc, argv);
432 int main(int argc, char **argv)
439 ctx = uci_alloc_context();
441 fprintf(stderr, "Out of memory\n");
445 while((c = getopt(argc, argv, "f:mnNp:P:sSq")) != -1) {
448 input = fopen(optarg, "r");
455 flags |= CLI_FLAG_MERGE;
458 ctx->flags |= UCI_FLAG_STRICT;
461 ctx->flags &= ~UCI_FLAG_STRICT;
462 ctx->flags |= UCI_FLAG_PERROR;
465 ctx->flags |= UCI_FLAG_EXPORT_NAME;
468 ctx->flags &= ~UCI_FLAG_EXPORT_NAME;
471 uci_add_history_path(ctx, optarg);
474 uci_add_history_path(ctx, ctx->savedir);
475 uci_set_savedir(ctx, optarg);
476 flags |= CLI_FLAG_NOCOMMIT;
479 flags |= CLI_FLAG_QUIET;
487 argv[optind - 1] = argv[0];
495 ret = uci_cmd(argc - 1, argv + 1);
503 uci_free_context(ctx);