wireless: fix blob buf in put_container()
[project/netifd.git] / handler.c
index 4d0a57a..f81a7c5 100644 (file)
--- a/handler.c
+++ b/handler.c
@@ -16,7 +16,6 @@
 #include <glob.h>
 #include <fcntl.h>
 #include <stdio.h>
-#include <unistd.h>
 
 #include "netifd.h"
 #include "system.h"
@@ -28,14 +27,14 @@ netifd_dir_push(int fd)
        int prev_fd = open(".", O_RDONLY | O_DIRECTORY);
        system_fd_set_cloexec(prev_fd);
        if (fd >= 0)
-               fchdir(fd);
+               if (fchdir(fd)) {}
        return prev_fd;
 }
 
 static void
 netifd_dir_pop(int prev_fd)
 {
-       fchdir(prev_fd);
+       if (fchdir(prev_fd)) {}
        close(prev_fd);
 }
 
@@ -60,7 +59,24 @@ out:
 }
 
 static void
-netifd_init_script_handler(const char *name, script_dump_cb cb)
+netifd_init_script_handler(const char *script, json_object *obj, script_dump_cb cb)
+{
+       json_object *tmp;
+       const char *name;
+
+       if (!json_check_type(obj, json_type_object))
+               return;
+
+       tmp = json_get_field(obj, "name", json_type_string);
+       if (!tmp)
+               return;
+
+       name = json_object_get_string(tmp);
+       cb(script, name, obj);
+}
+
+static void
+netifd_parse_script_handler(const char *name, script_dump_cb cb)
 {
        struct json_tokener *tok = NULL;
        json_object *obj;
@@ -90,7 +106,7 @@ netifd_init_script_handler(const char *name, script_dump_cb cb)
 
                obj = json_tokener_parse_ex(tok, start, len);
                if (!is_error(obj)) {
-                       cb(name, obj);
+                       netifd_init_script_handler(name, obj, cb);
                        json_object_put(obj);
                        json_tokener_free(tok);
                        tok = NULL;
@@ -114,6 +130,79 @@ void netifd_init_script_handlers(int dir_fd, script_dump_cb cb)
        prev_fd = netifd_dir_push(dir_fd);
        glob("./*.sh", 0, NULL, &g);
        for (i = 0; i < g.gl_pathc; i++)
-               netifd_init_script_handler(g.gl_pathv[i], cb);
+               netifd_parse_script_handler(g.gl_pathv[i], cb);
        netifd_dir_pop(prev_fd);
 }
+
+char *
+netifd_handler_parse_config(struct uci_blob_param_list *config, json_object *obj)
+{
+       struct blobmsg_policy *attrs;
+       char *str_buf, *str_cur;
+       char const **validate;
+       int str_len = 0;
+       int i;
+
+       config->n_params = json_object_array_length(obj);
+       attrs = calloc(1, sizeof(*attrs) * config->n_params);
+       if (!attrs)
+               return NULL;
+
+       validate = calloc(1, sizeof(char*) * config->n_params);
+       if (!validate)
+               goto error;
+
+       config->params = attrs;
+       config->validate = validate;
+       for (i = 0; i < config->n_params; i++) {
+               json_object *cur, *name, *type;
+
+               cur = json_check_type(json_object_array_get_idx(obj, i), json_type_array);
+               if (!cur)
+                       goto error;
+
+               name = json_check_type(json_object_array_get_idx(cur, 0), json_type_string);
+               if (!name)
+                       goto error;
+
+               type = json_check_type(json_object_array_get_idx(cur, 1), json_type_int);
+               if (!type)
+                       goto error;
+
+               attrs[i].name = json_object_get_string(name);
+               attrs[i].type = json_object_get_int(type);
+               if (attrs[i].type > BLOBMSG_TYPE_LAST)
+                       goto error;
+
+               str_len += strlen(attrs[i].name) + 1;
+       }
+
+       str_buf = malloc(str_len);
+       if (!str_buf)
+               goto error;
+
+       str_cur = str_buf;
+       for (i = 0; i < config->n_params; i++) {
+               const char *name = attrs[i].name;
+               char *delim;
+
+               attrs[i].name = str_cur;
+               str_cur += sprintf(str_cur, "%s", name) + 1;
+               delim = strchr(attrs[i].name, ':');
+               if (delim) {
+                       *delim = '\0';
+                       validate[i] = ++delim;
+               } else {
+                       validate[i] = NULL;
+               }
+       }
+
+       return str_buf;
+
+error:
+       free(attrs);
+       if (validate)
+               free(validate);
+       config->n_params = 0;
+       return NULL;
+}