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.
25 netifd_dir_push(int fd)
27 int prev_fd = open(".", O_RDONLY | O_DIRECTORY);
28 system_fd_set_cloexec(prev_fd);
35 netifd_dir_pop(int prev_fd)
40 if (fchdir(prev_fd)) {}
44 int netifd_open_subdir(const char *name)
49 prev_dir = netifd_dir_push(-1);
50 if (chdir(main_path)) {
51 perror("chdir(main path)");
55 ret = open(name, O_RDONLY | O_DIRECTORY);
57 system_fd_set_cloexec(ret);
60 netifd_dir_pop(prev_dir);
65 netifd_init_script_handler(const char *script, json_object *obj, script_dump_cb cb)
70 if (!json_check_type(obj, json_type_object))
73 tmp = json_get_field(obj, "name", json_type_string);
77 name = json_object_get_string(tmp);
78 cb(script, name, obj);
82 netifd_parse_script_handler(const char *name, script_dump_cb cb)
84 struct json_tokener *tok = NULL;
91 #define DUMP_SUFFIX " '' dump"
93 cmd = alloca(strlen(name) + 1 + sizeof(DUMP_SUFFIX));
94 sprintf(cmd, "%s" DUMP_SUFFIX, name);
101 start = fgets(buf, sizeof(buf), f);
108 tok = json_tokener_new();
110 obj = json_tokener_parse_ex(tok, start, len);
112 netifd_init_script_handler(name, obj, cb);
113 json_object_put(obj);
114 json_tokener_free(tok);
116 } else if (start[len - 1] == '\n') {
117 json_tokener_free(tok);
120 } while (!feof(f) && !ferror(f));
123 json_tokener_free(tok);
128 void netifd_init_script_handlers(int dir_fd, script_dump_cb cb)
133 prev_fd = netifd_dir_push(dir_fd);
134 if (glob("./*.sh", 0, NULL, &g)) {
135 netifd_dir_pop(prev_fd);
139 for (i = 0; i < g.gl_pathc; i++)
140 netifd_parse_script_handler(g.gl_pathv[i], cb);
141 netifd_dir_pop(prev_fd);
147 netifd_handler_parse_config(struct uci_blob_param_list *config, json_object *obj)
149 struct blobmsg_policy *attrs;
150 char *str_buf, *str_cur;
151 char const **validate;
155 config->n_params = json_object_array_length(obj);
156 attrs = calloc(1, sizeof(*attrs) * config->n_params);
160 validate = calloc(1, sizeof(char*) * config->n_params);
164 config->params = attrs;
165 config->validate = validate;
166 for (i = 0; i < config->n_params; i++) {
167 json_object *cur, *name, *type;
169 cur = json_check_type(json_object_array_get_idx(obj, i), json_type_array);
173 name = json_check_type(json_object_array_get_idx(cur, 0), json_type_string);
177 type = json_check_type(json_object_array_get_idx(cur, 1), json_type_int);
181 attrs[i].name = json_object_get_string(name);
182 attrs[i].type = json_object_get_int(type);
183 if (attrs[i].type > BLOBMSG_TYPE_LAST)
186 str_len += strlen(attrs[i].name) + 1;
189 str_buf = malloc(str_len);
194 for (i = 0; i < config->n_params; i++) {
195 const char *name = attrs[i].name;
198 attrs[i].name = str_cur;
199 str_cur += sprintf(str_cur, "%s", name) + 1;
200 delim = strchr(attrs[i].name, ':');
203 validate[i] = ++delim;
215 config->n_params = 0;