diff options
Diffstat (limited to 'contrib/fwd/src/ucix.c')
| -rw-r--r-- | contrib/fwd/src/ucix.c | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/contrib/fwd/src/ucix.c b/contrib/fwd/src/ucix.c new file mode 100644 index 000000000..1d2d87f6d --- /dev/null +++ b/contrib/fwd/src/ucix.c @@ -0,0 +1,236 @@ +/* + * 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); +} + + |