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- /*
- * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
- #include <strings.h>
- #include <stdlib.h>
- #include <unistd.h>
- #include "uci.h"
- static const char *appname = "uci";
- static enum {
- CLI_FLAG_MERGE = (1 << 0),
- } flags;
- static FILE *input = stdin;
- static struct uci_context *ctx;
- enum {
- /* section cmds */
- CMD_GET,
- CMD_SET,
- CMD_DEL,
- CMD_RENAME,
- /* package cmds */
- CMD_SHOW,
- CMD_IMPORT,
- CMD_EXPORT,
- CMD_COMMIT,
- };
- static void uci_usage(int argc, char **argv)
- {
- fprintf(stderr,
- "Usage: %s [<options>] <command> [<arguments>]\n\n"
- "Commands:\n"
- "\texport [<config>]\n"
- "\timport [<config>]\n"
- "\tshow [<config>[.<section>[.<option>]]]\n"
- "\tget <config>.<section>[.<option>]\n"
- "\tset <config>.<section>[.<option>]=<value>\n"
- "\trename <config>.<section>[.<option>]=<name>\n"
- "\n"
- "Options:\n"
- "\t-f <file> use <file> as input instead of stdin\n"
- "\t-m when importing, merge data into an existing package\n"
- "\t-s force strict mode (stop on parser errors)\n"
- "\t-S disable strict mode\n"
- "\n",
- argv[0]
- );
- exit(255);
- }
- static void uci_show_section(struct uci_section *p)
- {
- struct uci_element *e;
- const char *cname, *sname;
- cname = p->package->e.name;
- sname = p->e.name;
- printf("%s.%s=%s\n", cname, sname, p->type);
- uci_foreach_element(&p->options, e) {
- printf("%s.%s.%s=%s\n", cname, sname, e->name, uci_to_option(e)->value);
- }
- }
- static void uci_show_package(struct uci_package *p)
- {
- struct uci_element *e;
- uci_foreach_element( &p->sections, e) {
- uci_show_section(uci_to_section(e));
- }
- }
- static int package_cmd(int cmd, char *package)
- {
- struct uci_package *p = NULL;
- if (uci_load(ctx, package, &p) != UCI_OK) {
- uci_perror(ctx, appname);
- return 1;
- }
- switch(cmd) {
- case CMD_COMMIT:
- if (uci_commit(ctx, &p) != UCI_OK)
- uci_perror(ctx, appname);
- break;
- case CMD_EXPORT:
- uci_export(ctx, stdout, p, true);
- break;
- case CMD_SHOW:
- uci_show_package(p);
- break;
- }
- uci_unload(ctx, p);
- return 0;
- }
- static int uci_do_import(int argc, char **argv)
- {
- return 0;
- }
- static int uci_do_package_cmd(int cmd, int argc, char **argv)
- {
- char **configs = NULL;
- char **p;
- if (argc > 2)
- return 255;
- if (argc == 2)
- return package_cmd(cmd, argv[1]);
- if ((uci_list_configs(ctx, &configs) != UCI_OK) || !configs) {
- uci_perror(ctx, appname);
- return 1;
- }
- for (p = configs; *p; p++) {
- package_cmd(cmd, *p);
- }
- return 0;
- }
- static int uci_do_section_cmd(int cmd, int argc, char **argv)
- {
- char *package = NULL;
- char *section = NULL;
- char *option = NULL;
- char *value = NULL;
- char **ptr = NULL;
- struct uci_package *p = NULL;
- struct uci_element *e = NULL;
- if (argc != 2)
- return 255;
- switch(cmd) {
- case CMD_SET:
- case CMD_RENAME:
- ptr = &value;
- break;
- default:
- break;
- }
- if (uci_parse_tuple(ctx, argv[1], &package, §ion, &option, ptr) != UCI_OK)
- return 1;
- if (uci_load(ctx, package, &p) != UCI_OK) {
- uci_perror(ctx, appname);
- return 1;
- }
- switch(cmd) {
- case CMD_GET:
- if (uci_lookup(ctx, &e, p, section, option) != UCI_OK)
- return 1;
- switch(e->type) {
- case UCI_TYPE_SECTION:
- value = uci_to_section(e)->type;
- break;
- case UCI_TYPE_OPTION:
- value = uci_to_option(e)->value;
- break;
- default:
- /* should not happen */
- return 1;
- }
- /* throw the value to stdout */
- printf("%s\n", value);
- break;
- case CMD_RENAME:
- if (uci_rename(ctx, p, section, option, value) != UCI_OK) {
- uci_perror(ctx, appname);
- return 1;
- }
- break;
- case CMD_SET:
- if (uci_set(ctx, p, section, option, value) != UCI_OK) {
- uci_perror(ctx, appname);
- return 1;
- }
- break;
- case CMD_DEL:
- if (uci_delete(ctx, p, section, option) != UCI_OK) {
- uci_perror(ctx, appname);
- return 1;
- }
- break;
- }
- /* no save necessary for get */
- if (cmd == CMD_GET)
- return 0;
- /* save changes, but don't commit them yet */
- if (uci_save(ctx, p) != UCI_OK) {
- uci_perror(ctx, appname);
- return 1;
- }
- return 0;
- }
- static int uci_cmd(int argc, char **argv)
- {
- int cmd = 0;
- if (!strcasecmp(argv[0], "show"))
- cmd = CMD_SHOW;
- else if (!strcasecmp(argv[0], "export"))
- cmd = CMD_EXPORT;
- else if (!strcasecmp(argv[0], "commit"))
- cmd = CMD_COMMIT;
- else if (!strcasecmp(argv[0], "get"))
- cmd = CMD_GET;
- else if (!strcasecmp(argv[0], "set"))
- cmd = CMD_SET;
- else if (!strcasecmp(argv[0], "ren") ||
- !strcasecmp(argv[0], "rename"))
- cmd = CMD_RENAME;
- else if (!strcasecmp(argv[0], "del"))
- cmd = CMD_DEL;
- else if (!strcasecmp(argv[0], "import"))
- cmd = CMD_IMPORT;
- else
- cmd = -1;
- switch(cmd) {
- case CMD_GET:
- case CMD_SET:
- case CMD_DEL:
- case CMD_RENAME:
- return uci_do_section_cmd(cmd, argc, argv);
- case CMD_SHOW:
- case CMD_EXPORT:
- case CMD_COMMIT:
- return uci_do_package_cmd(cmd, argc, argv);
- case CMD_IMPORT:
- return uci_do_import(argc, argv);
- default:
- return 255;
- }
- }
- int main(int argc, char **argv)
- {
- int ret;
- int c;
- ctx = uci_alloc_context();
- if (!ctx) {
- fprintf(stderr, "Out of memory\n");
- return 1;
- }
- while((c = getopt(argc, argv, "sS")) != -1) {
- switch(c) {
- case 'f':
- input = fopen(optarg, "r");
- if (!input) {
- perror("uci");
- return 1;
- }
- break;
- case 'm':
- flags |= CLI_FLAG_MERGE;
- break;
- case 's':
- ctx->flags |= UCI_FLAG_STRICT;
- break;
- case 'S':
- ctx->flags &= ~UCI_FLAG_STRICT;
- ctx->flags |= UCI_FLAG_PERROR;
- break;
- default:
- uci_usage(argc, argv);
- break;
- }
- }
- if (optind > 1)
- argv[optind - 1] = argv[0];
- argv += optind - 1;
- argc -= optind - 1;
- if (argc < 2)
- uci_usage(argc, argv);
- ret = uci_cmd(argc - 1, argv + 1);
- if (input != stdin)
- fclose(input);
- if (ret == 255)
- uci_usage(argc, argv);
- uci_free_context(ctx);
- return ret;
- }
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