/* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. * * Copyright (C) 2008 John Crispin <blogic@openwrt.org> */ #include <string.h> #include <stdlib.h> #include <ctype.h> #include <uci_config.h> #include <uci.h> #include "ucix.h" static struct uci_ptr ptr; static inline int ucix_get_ptr(struct uci_context *ctx, const char *p, const char *s, const char *o, const char *t) { memset(&ptr, 0, sizeof(ptr)); ptr.package = p; ptr.section = s; ptr.option = o; ptr.value = t; return uci_lookup_ptr(ctx, &ptr, NULL, true); } struct uci_context* ucix_init(const char *config_file) { struct uci_context *ctx = uci_alloc_context(); uci_add_history_path(ctx, "/var/state"); if(uci_load(ctx, config_file, NULL) != UCI_OK) { printf("%s/%s is missing or corrupt\n", ctx->savedir, config_file); return NULL; } return ctx; } struct uci_context* ucix_init_path(const char *path, const char *config_file) { struct uci_context *ctx = uci_alloc_context(); if(path) uci_set_confdir(ctx, path); if(uci_load(ctx, config_file, NULL) != UCI_OK) { printf("%s/%s is missing or corrupt\n", ctx->savedir, config_file); return NULL; } return ctx; } int ucix_load(struct uci_context *ctx, const char *config_file) { if(uci_load(ctx, config_file, NULL) != UCI_OK) { printf("%s/%s is missing or corrupt\n", ctx->savedir, config_file); return 0; } return 1; } void ucix_cleanup(struct uci_context *ctx) { uci_free_context(ctx); } void ucix_save(struct uci_context *ctx) { uci_set_savedir(ctx, "/tmp/.uci/"); uci_save(ctx, NULL); } void ucix_save_state(struct uci_context *ctx) { uci_set_savedir(ctx, "/var/state/"); uci_save(ctx, NULL); } const char* ucix_get_option(struct uci_context *ctx, const char *p, const char *s, const char *o) { struct uci_element *e = NULL; const char *value = NULL; if(ucix_get_ptr(ctx, p, s, o, NULL)) return NULL; if (!(ptr.flags & UCI_LOOKUP_COMPLETE)) return NULL; e = ptr.last; switch (e->type) { case UCI_TYPE_SECTION: value = uci_to_section(e)->type; break; case UCI_TYPE_OPTION: switch(ptr.o->type) { case UCI_TYPE_STRING: value = ptr.o->v.string; break; default: value = NULL; break; } break; default: return 0; } return value; } int ucix_for_each_list( struct uci_context *ctx, const char *p, const char *s, const char *o, void (*cb)(const char*, void*), void *priv) { struct uci_element *e = NULL; char *value = NULL; int count = 0; if(ucix_get_ptr(ctx, p, s, o, NULL)) return -1; if (!(ptr.flags & UCI_LOOKUP_COMPLETE)) return -1; e = ptr.last; if(e->type == UCI_TYPE_OPTION) { switch(ptr.o->type) { case UCI_TYPE_LIST: uci_foreach_element(&ptr.o->v.list, e) { cb(e->name, priv); count++; } break; case UCI_TYPE_STRING: if( (value = strdup(ptr.o->v.string)) != NULL ) { char *ts, *tt, *tp; for( ts = value; 1; ts = NULL ) { if( (tt = strtok_r(ts, " \t", &tp)) != NULL ) { cb(tt, priv); count++; } else { break; } } free(value); } break; } return count; } return -1; } int ucix_get_option_int(struct uci_context *ctx, const char *p, const char *s, const char *o, int def) { const char *tmp = ucix_get_option(ctx, p, s, o); int ret = def; if (tmp) ret = atoi(tmp); return ret; } void ucix_add_section(struct uci_context *ctx, const char *p, const char *s, const char *t) { if(ucix_get_ptr(ctx, p, s, NULL, t)) return; uci_set(ctx, &ptr); } void ucix_add_option(struct uci_context *ctx, const char *p, const char *s, const char *o, const char *t) { if(ucix_get_ptr(ctx, p, s, o, (t)?(t):(""))) return; uci_set(ctx, &ptr); } void ucix_add_option_int(struct uci_context *ctx, const char *p, const char *s, const char *o, int t) { char tmp[64]; snprintf(tmp, 64, "%d", t); ucix_add_option(ctx, p, s, o, tmp); } void ucix_del(struct uci_context *ctx, const char *p, const char *s, const char *o) { if(!ucix_get_ptr(ctx, p, s, o, NULL)) uci_delete(ctx, &ptr); } void ucix_revert(struct uci_context *ctx, const char *p, const char *s, const char *o) { if(!ucix_get_ptr(ctx, p, s, o, NULL)) uci_revert(ctx, &ptr); } void ucix_for_each_section_type(struct uci_context *ctx, const char *p, const char *t, void (*cb)(struct uci_context *, const char*, void*), void *priv) { struct uci_element *e; if(ucix_get_ptr(ctx, p, NULL, NULL, NULL)) return; uci_foreach_element(&ptr.p->sections, e) if (!strcmp(t, uci_to_section(e)->type)) cb(ctx, e->name, priv); } int ucix_commit(struct uci_context *ctx, const char *p) { if(ucix_get_ptr(ctx, p, NULL, NULL, NULL)) return 1; return uci_commit(ctx, &ptr.p, false); }