FelipeMdeO commented on code in PR #3532:
URL: https://github.com/apache/nuttx-apps/pull/3532#discussion_r3468851322
##########
netutils/dropbear/port/nuttx_compat.c:
##########
@@ -0,0 +1,78 @@
+/****************************************************************************
+ * apps/netutils/dropbear/port/nuttx_compat.c
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <errno.h>
+#include <grp.h>
+#include <unistd.h>
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static char g_dropbear_shell[] = "/bin/sh";
+static int g_shell_returned;
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+void dropbear_setusershell(void)
+{
+ g_shell_returned = 0;
+}
+
+FAR char *dropbear_getusershell(void)
+{
+ if (g_shell_returned == 0)
+ {
+ g_shell_returned = 1;
+ return g_dropbear_shell;
+ }
+
+ return NULL;
+}
+
+void dropbear_endusershell(void)
+{
+ g_shell_returned = 0;
+}
+
+int dropbear_getgroups(int size, gid_t list[])
Review Comment:
Sorry @xiaoxiang781216, I tried but couldn't apply this request.
That getgroups() is only used by Dropbear's non-multiuser sanity check,
which expects it to fail with ENOSYS to confirm a non-multiuser kernel.
getgrouplist() can't replace it. It's a group-database lookup that always
returns at least the primary group passed in by the caller.
In short, I want to check if the kernel is single user, and getgrouplist
returns other thing.
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