Merge remote-tracking branch 'origin/fix/security-hardening' into merge-all-v2

# Conflicts:
#	src/client/client_cli.c
#	src/client/scanner.c
#	src/client/scanner.h
#	src/server/server.c
#	src/shared/config.c
#	src/shared/config.h
#	src/shared/file.c
#	src/shared/file.h
#	src/shared/log.c
#	src/shared/protocol.c
#	src/shared/transport_ssh.c
#	src/shared/transport_tcp.c
#	src/shared/transport_tcp.h
#	src/shared/transport_tls.c
#	src/shared/utils.c

tests/test_file.c

@@ -69,7 +69,7 @@ static void test_file_save_to_disk() {
   memcpy(f->data->data, content, strlen(content));
   f->data->size = strlen(content);
 
-  EXPECT_TRUE(file_save_to_disk("test_save_tmp", f));
+  EXPECT_TRUE(file_save_to_disk("test_save_tmp", f, NULL));
 
   struct stat st;
   EXPECT_EQ_INT(stat("test_save_tmp/saved_file.txt", &st), 0);