8 #include <libubox/blobmsg_json.h>
11 #include "interface.h"
12 #include "interface-ip.h"
15 static LIST_HEAD(handlers);
16 static int proto_fd, main_fd;
18 struct proto_shell_handler {
19 struct list_head list;
20 struct proto_handler proto;
21 struct config_param_list config;
26 struct proto_shell_state {
27 struct interface_proto_state proto;
28 struct blob_attr *config;
31 #define DUMP_SUFFIX " dump"
34 proto_shell_handler(struct interface_proto_state *proto,
35 enum interface_proto_cmd cmd, bool force)
39 case PROTO_CMD_TEARDOWN:
46 proto_shell_free(struct interface_proto_state *proto)
48 struct proto_shell_state *state;
50 state = container_of(proto, struct proto_shell_state, proto);
55 struct interface_proto_state *
56 proto_shell_attach(const struct proto_handler *h, struct interface *iface,
57 struct blob_attr *attr)
59 struct proto_shell_state *state;
61 state = calloc(1, sizeof(*state));
62 state->config = malloc(blob_pad_len(attr));
66 memcpy(state->config, attr, blob_pad_len(attr));
67 state->proto.free = proto_shell_free;
68 state->proto.handler = proto_shell_handler;
78 proto_shell_parse_config(struct config_param_list *config, struct json_object *obj)
80 struct blobmsg_policy *attrs;
81 char *str_buf, *str_cur;
85 attrs = calloc(1, sizeof(*attrs));
89 config->n_params = json_object_array_length(obj);
90 config->params = attrs;
91 for (i = 0; i < config->n_params; i++) {
92 struct json_object *cur, *name, *type;
94 cur = json_object_array_get_idx(obj, i);
95 if (!cur || json_object_get_type(cur) != json_type_array)
98 name = json_object_array_get_idx(cur, 0);
99 if (!name || json_object_get_type(name) != json_type_string)
102 type = json_object_array_get_idx(cur, 1);
103 if (!type || json_object_get_type(type) != json_type_int)
106 attrs[i].name = json_object_get_string(name);
107 attrs[i].type = json_object_get_int(type);
108 if (attrs[i].type > BLOBMSG_TYPE_LAST)
111 str_len += strlen(attrs[i].name + 1);
114 str_buf = malloc(str_len);
119 for (i = 0; i < config->n_params; i++) {
120 const char *name = attrs[i].name;
122 attrs[i].name = str_cur;
123 str_cur += sprintf(str_cur, "%s", name) + 1;
130 config->n_params = 0;
135 proto_shell_add_handler(const char *script, struct json_object *obj)
137 struct proto_shell_handler *handler;
138 struct proto_handler *proto;
139 json_object *config, *tmp;
143 if (json_object_get_type(obj) != json_type_object)
146 tmp = json_object_object_get(obj, "name");
147 if (!tmp || json_object_get_type(tmp) != json_type_string)
150 name = json_object_get_string(tmp);
152 handler = calloc(1, sizeof(*handler) +
158 strcpy(handler->script_name, script);
160 str = handler->script_name + strlen(handler->script_name) + 1;
163 proto = &handler->proto;
165 proto->config_params = &handler->config;
166 proto->attach = proto_shell_attach;
168 config = json_object_object_get(obj, "config");
169 if (config && json_object_get_type(config) == json_type_array)
170 handler->config_buf = proto_shell_parse_config(&handler->config, config);
172 DPRINTF("Add handler for script %s: %s\n", script, proto->name);
173 add_proto_handler(proto);
176 static void proto_shell_add_script(const char *name)
178 struct json_tokener *tok = NULL;
179 struct json_object *obj;
180 static char buf[512];
181 char *start, *end, *cmd;
185 cmd = alloca(strlen(name) + 1 + sizeof(DUMP_SUFFIX));
186 sprintf(cmd, "%s" DUMP_SUFFIX, name);
193 buflen = fread(buf, 1, sizeof(buf) - 1, f);
200 end = memchr(start, '\n', len);
205 tok = json_tokener_new();
207 obj = json_tokener_parse_ex(tok, start, len);
208 if (!is_error(obj)) {
209 proto_shell_add_handler(name, obj);
210 json_object_put(obj);
211 json_tokener_free(tok);
217 len = buflen - (start - buf);
220 } while (!feof(f) && !ferror(f));
223 json_tokener_free(tok);
228 void __init proto_shell_init(void)
233 main_fd = open(".", O_RDONLY | O_DIRECTORY);
237 if (chdir(main_path)) {
238 perror("chdir(main path)");
242 if (chdir("./proto"))
245 proto_fd = open(".", O_RDONLY | O_DIRECTORY);
249 glob("./*.sh", 0, NULL, &g);
250 for (i = 0; i < g.gl_pathc; i++)
251 proto_shell_add_script(g.gl_pathv[i]);
253 if (list_empty(&handlers))
258 if (list_empty(&handlers))