diff options
Diffstat (limited to 'src/shared/util.c')
| -rw-r--r-- | src/shared/util.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/shared/util.c b/src/shared/util.c index 020b75d0f2..bc6e035c60 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -3773,13 +3773,27 @@ static bool hostname_valid_char(char c) { bool hostname_is_valid(const char *s) { const char *p; + bool dot; if (isempty(s)) return false; - for (p = s; *p; p++) - if (!hostname_valid_char(*p)) - return false; + for (p = s, dot = true; *p; p++) { + if (*p == '.') { + if (dot) + return false; + + dot = true; + } else { + if (!hostname_valid_char(*p)) + return false; + + dot = false; + } + } + + if (dot) + return false; if (p-s > HOST_NAME_MAX) return false; |