From b361fa6da5a5892ada665dcabfc6a0327419db63 Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Wed, 2 Dec 2020 19:27:10 +0100
Subject: [PATCH] Skip user/group checks for Genode hosts

---
 src/app/main/main.c      | 4 ++++
 src/lib/fs/dir.c         | 5 +++++
 src/lib/process/setuid.c | 9 +++++++++
 3 files changed, 18 insertions(+)

diff --git a/src/app/main/main.c b/src/app/main/main.c
index e7ffb31b4f..a1a9037f09 100644
--- a/src/app/main/main.c
+++ b/src/app/main/main.c
@@ -670,6 +670,10 @@ static tor_lockfile_t *lockfile = NULL;
 int
 try_locking(const or_options_t *options, int err_if_locked)
 {
+#ifdef __GENODE__
+  /* platform does not support exclusive file-system locks */
+  return 0;
+#endif
   if (lockfile)
     return 0;
   else {
diff --git a/src/lib/fs/dir.c b/src/lib/fs/dir.c
index 3432df0299..e33595a006 100644
--- a/src/lib/fs/dir.c
+++ b/src/lib/fs/dir.c
@@ -168,6 +168,11 @@ check_private_dir,(const char *dirname, cpd_check_t check,
     return -1;
   }
 
+#ifdef __GENODE__
+  /* platform lacks users and groups */
+  return 0;
+#endif
+
   if (effective_user) {
     /* Look up the user and group information.
      * If we have a problem, bail out. */
diff --git a/src/lib/process/setuid.c b/src/lib/process/setuid.c
index 3cfd520a4f..bf1857ad2a 100644
--- a/src/lib/process/setuid.c
+++ b/src/lib/process/setuid.c
@@ -50,6 +50,10 @@
 static int
 log_credential_status(void)
 {
+#ifdef __GENODE__
+  /* platform lacks "credentials" */
+  return 0;
+#endif
 /** Log level to use when describing non-error UID/GID status. */
 #define CREDENTIAL_LOG_LEVEL LOG_INFO
   /* Real, effective and saved UIDs */
@@ -229,6 +233,11 @@ drop_capabilities(int pre_setuid)
 int
 switch_id(const char *user, const unsigned flags)
 {
+#ifdef __GENODE__
+  /* platform lacks users and groups */
+  return 0;
+#endif
+
 #ifndef _WIN32
   const struct passwd *pw = NULL;
   uid_t old_uid;
-- 
2.29.2