+static int
+uci_lua_get(lua_State *L)
+{
+ return uci_lua_get_any(L, false);
+}
+
+static int
+uci_lua_get_all(lua_State *L)
+{
+ return uci_lua_get_any(L, true);
+}
+
+static int
+uci_lua_add(lua_State *L)
+{
+ struct uci_section *s = NULL;
+ struct uci_package *p;
+ const char *package;
+ const char *type;
+ const char *name = NULL;
+
+ do {
+ package = luaL_checkstring(L, 1);
+ type = luaL_checkstring(L, 2);
+ p = find_package(L, package, AUTOLOAD_ON);
+ if (!p)
+ break;
+
+ if (uci_add_section(ctx, p, type, &s) || !s)
+ break;
+
+ name = s->e.name;
+ } while (0);
+
+ lua_pushstring(L, name);
+ return 1;
+}
+
+static int
+uci_lua_delete(lua_State *L)
+{
+ const char *package = NULL;
+ const char *section = NULL;
+ const char *option = NULL;
+ struct uci_package *p;
+ const char *s;
+ int err = UCI_ERR_MEM;
+ int nargs;
+
+ nargs = lua_gettop(L);
+ s = luaL_checkstring(L, 1);
+ switch(nargs) {
+ case 1:
+ /* Format: uci.delete("p.s[.o]") */
+ s = strdup(s);
+ if (!s)
+ goto error;
+
+ if ((err = uci_parse_tuple(ctx, (char *) s, (char **) &package, (char **) §ion, (char **) &option, NULL)))
+ goto error;
+ break;
+ case 3:
+ /* Format: uci.delete("p", "s", "o") */
+ option = luaL_checkstring(L, 3);
+ /* fall through */
+ case 2:
+ /* Format: uci.delete("p", "s") */
+ section = luaL_checkstring(L, 2);
+ package = s;
+ break;
+ default:
+ err = UCI_ERR_INVAL;
+ goto error;
+ }
+
+ p = find_package(L, package, AUTOLOAD_ON);
+ if (!p) {
+ err = UCI_ERR_NOTFOUND;
+ goto error;
+ }
+ err = uci_delete(ctx, p, section, option);
+
+error:
+ if (err)
+ uci_lua_perror(L, "uci.set");
+ lua_pushboolean(L, (err == 0));
+ return 1;
+}
+
+static int
+uci_lua_set(lua_State *L)
+{
+ struct uci_package *p;
+ const char *package = NULL;
+ const char *section = NULL;
+ const char *option = NULL;
+ const char *value = NULL;
+ const char *s;
+ int err = UCI_ERR_MEM;
+ int nargs;
+
+ nargs = lua_gettop(L);
+
+ s = luaL_checkstring(L, 1);
+ switch(nargs) {
+ case 1:
+ /* Format: uci.set("p.s.o=v") or uci.set("p.s=v") */
+ s = strdup(s);
+ if (!s)
+ goto error;
+
+ if ((err = uci_parse_tuple(ctx, (char *) s, (char **) &package, (char **) §ion, (char **) &option, (char **) &value)))
+ goto error;
+ break;
+ case 4:
+ /* Format: uci.set("p", "s", "o", "v") */
+ option = luaL_checkstring(L, 3);
+ /* fall through */
+ case 3:
+ /* Format: uci.set("p", "s", "v") */
+ package = s;
+ section = luaL_checkstring(L, 2);
+ value = luaL_checkstring(L, nargs);
+ break;
+ default:
+ err = UCI_ERR_INVAL;
+ goto error;
+ }
+
+ if ((section == NULL) || (value == NULL)) {
+ err = UCI_ERR_INVAL;
+ goto error;
+ }
+
+ p = find_package(L, package, AUTOLOAD_ON);
+ if (!p) {
+ err = UCI_ERR_NOTFOUND;
+ goto error;
+ }
+ err = uci_set(ctx, p, section, option, value, NULL);
+
+error:
+ if (err)
+ uci_lua_perror(L, "uci.set");
+ lua_pushboolean(L, (err == 0));
+ return 1;
+}
+
+enum pkg_cmd {
+ CMD_SAVE,
+ CMD_COMMIT,
+ CMD_REVERT
+};
+
+static int
+uci_lua_package_cmd(lua_State *L, enum pkg_cmd cmd)
+{
+ struct uci_element *e, *tmp;
+ const char *s = NULL;
+ const char *section = NULL;
+ const char *option = NULL;
+ int failed = 0;
+ int nargs;
+
+ nargs = lua_gettop(L);
+ switch(nargs) {
+ case 3:
+ if (cmd != CMD_REVERT)
+ goto err;
+ luaL_checkstring(L, 1);
+ option = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ /* fall through */
+ case 2:
+ if (cmd != CMD_REVERT)
+ goto err;
+ luaL_checkstring(L, 1);
+ section = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ /* fall through */
+ case 1:
+ luaL_checkstring(L, 1);
+ s = lua_tostring(L, -1);
+ lua_pop(L, 1);
+ break;
+ case 0:
+ break;
+ default:
+ err:
+ luaL_error(L, "Invalid argument count");
+ break;
+ }
+
+ uci_foreach_element_safe(&ctx->root, tmp, e) {
+ struct uci_package *p = uci_to_package(e);
+ int ret = UCI_ERR_INVAL;
+
+ if (s && (strcmp(s, e->name) != 0))
+ continue;
+
+ switch(cmd) {
+ case CMD_COMMIT:
+ ret = uci_commit(ctx, &p, false);
+ break;
+ case CMD_SAVE:
+ ret = uci_save(ctx, p);
+ break;
+ case CMD_REVERT:
+ ret = uci_revert(ctx, &p, section, option);
+ break;
+ }
+
+ if (ret != 0)
+ failed = 1;
+ }
+
+ lua_pushboolean(L, !failed);
+ return 1;
+}
+
+static int
+uci_lua_save(lua_State *L)
+{
+ return uci_lua_package_cmd(L, CMD_SAVE);
+}
+
+static int
+uci_lua_commit(lua_State *L)
+{
+ return uci_lua_package_cmd(L, CMD_COMMIT);
+}
+
+static int
+uci_lua_revert(lua_State *L)
+{
+ return uci_lua_package_cmd(L, CMD_REVERT);
+}
+
+static void
+uci_lua_add_change(lua_State *L, struct uci_element *e)
+{
+ struct uci_history *h;
+ const char *name;
+
+ h = uci_to_history(e);
+ if (!h->section)
+ return;
+
+ lua_getfield(L, -1, h->section);
+ if (lua_isnil(L, -1)) {
+ lua_pop(L, 1);
+ lua_newtable(L);
+ lua_pushvalue(L, -1); /* copy for setfield */
+ lua_setfield(L, -3, h->section);
+ }
+
+ name = (h->e.name ? h->e.name : ".type");
+ if (h->value)
+ lua_pushstring(L, h->value);
+ else
+ lua_pushstring(L, "");
+ lua_setfield(L, -2, name);
+ lua_pop(L, 1);
+}
+
+static void
+uci_lua_changes_pkg(lua_State *L, const char *package)
+{
+ struct uci_package *p = NULL;
+ struct uci_element *e;
+ bool autoload = false;
+
+ p = find_package(L, package, AUTOLOAD_OFF);
+ if (!p) {
+ autoload = true;
+ p = find_package(L, package, AUTOLOAD_FORCE);
+ if (!p)
+ return;
+ }
+
+ if (uci_list_empty(&p->history) && uci_list_empty(&p->saved_history))
+ goto done;
+
+ lua_newtable(L);
+ uci_foreach_element(&p->saved_history, e) {
+ uci_lua_add_change(L, e);
+ }
+ uci_foreach_element(&p->history, e) {
+ uci_lua_add_change(L, e);
+ }
+ lua_setfield(L, -2, p->e.name);
+
+done:
+ if (autoload)
+ uci_unload(ctx, p);
+}
+
+static int
+uci_lua_changes(lua_State *L)
+{
+ const char *package = NULL;
+ char **config = NULL;
+ int nargs;
+ int i;
+
+ nargs = lua_gettop(L);
+ switch(nargs) {
+ case 1:
+ package = luaL_checkstring(L, 1);
+ case 0:
+ break;
+ default:
+ luaL_error(L, "invalid argument count");
+ }
+
+ lua_newtable(L);
+ if (package) {
+ uci_lua_changes_pkg(L, package);
+ } else {
+ if (uci_list_configs(ctx, &config) != 0)
+ goto done;
+
+ for(i = 0; config[i] != NULL; i++) {
+ uci_lua_changes_pkg(L, config[i]);
+ }
+ }
+
+done:
+ return 1;
+}
+
+static int
+uci_lua_set_confdir(lua_State *L)
+{
+ int ret;
+
+ luaL_checkstring(L, 1);
+ ret = uci_set_confdir(ctx, lua_tostring(L, -1));
+ lua_pushboolean(L, (ret == 0));
+ return 1;
+}
+
+static int
+uci_lua_set_savedir(lua_State *L)
+{
+ int ret;
+
+ luaL_checkstring(L, 1);
+ ret = uci_set_savedir(ctx, lua_tostring(L, -1));
+ lua_pushboolean(L, (ret == 0));
+
+ return 1;
+}