static void
__ni_process_release_user_data(void *user_data)
{
ni_process_t *pi = user_data;
if (pi)
ni_process_free(pi);
}
/*
* Run all the netif firmware discovery scripts and return their output
* as one large buffer.
*/
static ni_buffer_t *
__ni_netconfig_firmware_discovery(const char *root, const char *type, const char *path)
{
ni_buffer_t *result;
ni_config_t *config = ni_global.config;
ni_extension_t *ex;
ni_assert(config);
result = ni_buffer_new_dynamic(1024);
for (ex = config->fw_extensions; ex; ex = ex->next) {
ni_script_action_t *script;
if (ex->c_bindings)
ni_warn("builtins specified in a netif-firmware-discovery element: not supported");
for (script = ex->actions; script; script = script->next) {
ni_process_t *process;
int rv;
/* Check if requested to use specific type/name only (e.g. "ibft") */
if (type && !ni_string_eq_nocase(type, script->name))
continue;
ni_debug_ifconfig("trying to discover netif config via firmware service \"%s\"", script->name);
/* Create an instance of this command */
process = ni_process_new(script->process);
/* Add root directory argument if given */
if (root) {
ni_string_array_append(&process->argv, "-r");
ni_string_array_append(&process->argv, root);
}
/* Add firmware type specific path argument if given */
if (type && path) {
ni_string_array_append(&process->argv, "-p");
ni_string_array_append(&process->argv, path);
}
rv = ni_process_run_and_capture_output(process, result);
ni_process_free(process);
if (rv) {
ni_error("unable to discover firmware (script \"%s\")",
script->name);
ni_buffer_free(result);
return NULL;
}
}
}
return result;
}
/*
* Run an extension script to update resolver, hostname etc.
*/
static ni_bool_t
ni_system_updater_run(ni_shellcmd_t *shellcmd, ni_string_array_t *args)
{
ni_process_t *pi;
int rv;
pi = ni_process_new(shellcmd);
if (args) {
unsigned int i;
for (i = 0; i < args->count; ++i) {
const char *arg = args->data[i];
if (arg == NULL)
arg = "";
ni_string_array_append(&pi->argv, arg);
}
}
rv = ni_process_run_and_wait(pi);
ni_process_free(pi);
return rv >= 0;
}