discover/sysinfo: Add helper script to populate sysinfo identifiers
[petitboot] / discover / sysinfo.c
index 19dac57f02fb26757948605f716a2e94ba44550a..f75819bd96ac02adc563b30afd046b457d97bd67 100644 (file)
@@ -2,6 +2,7 @@
 #include <string.h>
 
 #include <talloc/talloc.h>
+#include <process/process.h>
 
 #include "discover-server.h"
 #include "sysinfo.h"
@@ -9,6 +10,8 @@
 static struct system_info *sysinfo;
 static struct discover_server *server;
 
+static const char *sysinfo_helper = PKG_LIBEXEC_DIR "/pb-sysinfo";
+
 const struct system_info *system_info_get(void)
 {
        return sysinfo;
@@ -50,10 +53,36 @@ void system_info_register_interface(unsigned int hwaddr_size, uint8_t *hwaddr,
        discover_server_notify_system_info(server, sysinfo);
 }
 
-static void system_info_set_identifier(struct system_info *info
-               __attribute__((unused)))
+static void system_info_set_identifier(struct system_info *info)
 {
-       /* todo: call helpers to set type & id */
+       struct process *process;
+       int rc;
+       const char *argv[] = {
+               sysinfo_helper, NULL, NULL,
+       };
+
+       process = process_create(info);
+       process->path = sysinfo_helper;
+       process->argv = argv;
+       process->keep_stdout = true;
+
+       argv[1] = "--type";
+       rc = process_run_sync(process);
+
+       if (!rc) {
+               info->type = talloc_strndup(info, process->stdout_buf,
+                               process->stdout_len);
+       }
+
+       argv[1] = "--id";
+       rc = process_run_sync(process);
+
+       if (!rc) {
+               info->identifier = talloc_strndup(info, process->stdout_buf,
+                               process->stdout_len);
+       }
+
+       process_release(process);
 }
 
 void system_info_init(struct discover_server *s)