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-rw-r--r--src/shared/util.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/src/shared/util.c b/src/shared/util.c
index 5d6995d23f..4eb64934ee 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -3837,19 +3837,24 @@ bool hostname_is_valid(const char *s) {
char* hostname_cleanup(char *s) {
char *p, *d;
+ bool dot;
+
+ for (p = s, d = s, dot = true; *p; p++) {
+ if (*p == '.') {
+ if (dot || p[1] == 0)
+ continue;
- for (p = s, d = s; *p; p++)
- if ((*p >= 'a' && *p <= 'z') ||
- (*p >= 'A' && *p <= 'Z') ||
- (*p >= '0' && *p <= '9') ||
- *p == '-' ||
- *p == '_' ||
- *p == '.')
+ dot = true;
+ } else
+ dot = false;
+
+ if (hostname_valid_char(*p))
*(d++) = *p;
+ }
*d = 0;
-
strshorten(s, HOST_NAME_MAX);
+
return s;
}