2 * netifd - network interface daemon
3 * Copyright (C) 2012-2013 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
26 netifd_dir_push(int fd)
28 int prev_fd = open(".", O_RDONLY | O_DIRECTORY);
29 system_fd_set_cloexec(prev_fd);
36 netifd_dir_pop(int prev_fd)
42 int netifd_open_subdir(const char *name)
47 prev_dir = netifd_dir_push(-1);
48 if (chdir(main_path)) {
49 perror("chdir(main path)");
53 ret = open(name, O_RDONLY | O_DIRECTORY);
55 system_fd_set_cloexec(ret);
58 netifd_dir_pop(prev_dir);
63 netifd_init_script_handler(const char *script, json_object *obj, script_dump_cb cb)
68 if (!json_check_type(obj, json_type_object))
71 tmp = json_get_field(obj, "name", json_type_string);
75 name = json_object_get_string(tmp);
76 cb(script, name, obj);
80 netifd_parse_script_handler(const char *name, script_dump_cb cb)
82 struct json_tokener *tok = NULL;
89 #define DUMP_SUFFIX " '' dump"
91 cmd = alloca(strlen(name) + 1 + sizeof(DUMP_SUFFIX));
92 sprintf(cmd, "%s" DUMP_SUFFIX, name);
99 start = fgets(buf, sizeof(buf), f);
106 tok = json_tokener_new();
108 obj = json_tokener_parse_ex(tok, start, len);
109 if (!is_error(obj)) {
110 netifd_init_script_handler(name, obj, cb);
111 json_object_put(obj);
112 json_tokener_free(tok);
114 } else if (start[len - 1] == '\n') {
115 json_tokener_free(tok);
118 } while (!feof(f) && !ferror(f));
121 json_tokener_free(tok);
126 void netifd_init_script_handlers(int dir_fd, script_dump_cb cb)
131 prev_fd = netifd_dir_push(dir_fd);
132 glob("./*.sh", 0, NULL, &g);
133 for (i = 0; i < g.gl_pathc; i++)
134 netifd_parse_script_handler(g.gl_pathv[i], cb);
135 netifd_dir_pop(prev_fd);
139 netifd_handler_parse_config(struct uci_blob_param_list *config, json_object *obj)
141 struct blobmsg_policy *attrs;
142 char *str_buf, *str_cur;
146 config->n_params = json_object_array_length(obj);
147 attrs = calloc(1, sizeof(*attrs) * config->n_params);
151 config->params = attrs;
152 for (i = 0; i < config->n_params; i++) {
153 json_object *cur, *name, *type;
155 cur = json_check_type(json_object_array_get_idx(obj, i), json_type_array);
159 name = json_check_type(json_object_array_get_idx(cur, 0), json_type_string);
163 type = json_check_type(json_object_array_get_idx(cur, 1), json_type_int);
167 attrs[i].name = json_object_get_string(name);
168 attrs[i].type = json_object_get_int(type);
169 if (attrs[i].type > BLOBMSG_TYPE_LAST)
172 str_len += strlen(attrs[i].name) + 1;
175 str_buf = malloc(str_len);
180 for (i = 0; i < config->n_params; i++) {
181 const char *name = attrs[i].name;
183 attrs[i].name = str_cur;
184 str_cur += sprintf(str_cur, "%s", name) + 1;
191 config->n_params = 0;