cli.c

   1 /*
   2  * Copyright (C) 2008 Felix Fietkau <nbd@openwrt.org>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2
   6  * as published by the Free Software Foundation
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13 #include <strings.h>
  14 #include <stdlib.h>
  15 #include "uci.h"
  16
  17 static struct uci_context *ctx;
  18 static char *buf = NULL;
  19 static int buflen = 256;
  20
  21 static void uci_usage(int argc, char **argv)
  22 {
  23         fprintf(stderr,
  24                 "Usage: %s [<options>] <command> [<arguments>]\n\n"
  25                 "Commands:\n"
  26                 "\tshow [<config>[.<section>[.<option>]]]\n"
  27                 "\texport [<config>]\n"
  28                 "\n",
  29                 argv[0]
  30         );
  31         exit(255);
  32 }
  33
  34 static void uci_show_section(struct uci_section *p)
  35 {
  36         struct uci_option *o;
  37         const char *cname, *sname;
  38
  39         cname = p->package->name;
  40         sname = p->name;
  41         printf("%s.%s=%s\n", cname, sname, p->type);
  42         uci_foreach_entry(option, &p->options, o) {
  43                 printf("%s.%s.%s=%s\n", cname, sname, o->name, o->value);
  44         }
  45 }
  46
  47 static int uci_show(int argc, char **argv)
  48 {
  49         char *section = (argc > 2 ? argv[2] : NULL);
  50         struct uci_package *package;
  51         struct uci_section *s;
  52         char **configs;
  53         char **p;
  54
  55         configs = uci_list_configs();
  56         if (!configs)
  57                 return 0;
  58
  59         for (p = configs; *p; p++) {
  60                 if ((argc < 2) || !strcmp(argv[1], *p)) {
  61                         if (uci_load(ctx, *p, &package) != UCI_OK) {
  62                                 uci_perror(ctx, "uci_load");
  63                                 return 255;
  64                         }
  65                         uci_foreach_entry(section, &package->sections, s) {
  66                                 if (!section || !strcmp(s->name, section))
  67                                         uci_show_section(s);
  68                         }
  69                         uci_unload(ctx, *p);
  70                 }
  71         }
  72
  73         return 0;
  74 }
  75
  76 static int uci_do_export(int argc, char **argv)
  77 {
  78         char **configs = uci_list_configs();
  79         char **p;
  80
  81         if (!configs)
  82                 return 0;
  83
  84         for (p = configs; *p; p++) {
  85                 if ((argc < 2) || !strcmp(argv[1], *p)) {
  86                         struct uci_package *package = NULL;
  87                         int ret;
  88
  89                         ret = uci_load(ctx, *p, &package);
  90                         if (ret)
  91                                 continue;
  92                         uci_export(ctx, stdout, package);
  93                         uci_unload(ctx, *p);
  94                 }
  95         }
  96         return 0;
  97 }
  98
  99 static int uci_cmd(int argc, char **argv)
 100 {
 101         if (!strcasecmp(argv[0], "show"))
 102                 return uci_show(argc, argv);
 103         if (!strcasecmp(argv[0], "export"))
 104                 return uci_do_export(argc, argv);
 105         return 255;
 106 }
 107
 108 int main(int argc, char **argv)
 109 {
 110         int ret;
 111
 112         ctx = uci_alloc();
 113         if (argc < 2)
 114                 uci_usage(argc, argv);
 115         ret = uci_cmd(argc - 1, argv + 1);
 116         if (ret == 255)
 117                 uci_usage(argc, argv);
 118         uci_free(ctx);
 119
 120         return ret;
 121 }