X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Futil.c;h=3d875c72b360d7d1f0e04376c6957c45ed7abd71;hp=4ad3f203d7d3f1b268b1044732cea6dac745e638;hb=7f0d207d2c816e0a8cb2742b0a789911f7c99356;hpb=8f6e22a1cafafb4e78e23c1998f23a997c1b294f

diff --git a/src/shared/util.c b/src/shared/util.c
index 4ad3f203d..3d875c72b 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -3975,6 +3975,21 @@ char* hostname_cleanup(char *s, bool lowercase) {
         return s;
 }
 
+bool machine_name_is_valid(const char *s) {
+
+        if (!hostname_is_valid(s))
+                return false;
+
+        /* Machine names should be useful hostnames, but also be
+         * useful in unit names, hence we enforce a stricter length
+         * limitation. */
+
+        if (strlen(s) > 64)
+                return false;
+
+        return true;
+}
+
 int pipe_eof(int fd) {
         struct pollfd pollfd = {
                 .fd = fd,