Flesh out minecctl some more

1 files changed, 37 insertions, 1 deletions

diff --git a/shared/config-parser.c b/shared/config-parser.c
index 9f294f4..1f44db4 100644
--- a/shared/config-parser.c
+++ b/shared/config-parser.c
@@ -6,9 +6,12 @@
 #include <unistd.h>
 #include <arpa/inet.h>
 #include <inttypes.h>
+#include <sys/types.h>
+#include <dirent.h>
 
 #include "utils.h"
 #include "config-parser.h"
+#include "config.h"
 
 static void
 eat_whitespace_and_comments(char **pos)
@@ -162,7 +165,7 @@ out:
 	return rv;
 }
 
-static bool
+bool
 strtosockaddrs(const char *str, struct cfg_value *rvalue, bool async)
 {
 	struct saddr *saddr;
@@ -478,3 +481,36 @@ config_parse_header(const char *title, char **buf)
 
 	return false;
 }
+
+bool
+is_valid_server_config_filename(struct dirent *dent, const char *filename)
+{
+	const char *suffix;
+
+	assert_return(!(dent && filename) && !(!dent && !filename), false);
+
+	/* Maybe accept DT_LNK? */
+	if (dent) {
+		switch (dent->d_type) {
+		case DT_UNKNOWN:
+			_fallthrough_;
+		case DT_REG:
+			break;
+		default:
+			return false;
+		}
+		filename = dent->d_name;
+	}
+
+	if (empty_str(filename))
+		return false;
+	if (filename[0] == '.')
+		return false;
+	if ((suffix = strrchr(filename, '.')) == NULL)
+		return false;
+	if (!streq(suffix, "." SERVER_CONFIG_FILE_SUFFIX))
+		return false;
+
+	return true;
+}
+