diff options
| -rw-r--r-- | src/network/lookup_name.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/network/lookup_name.c b/src/network/lookup_name.c index 209c20f0..a1851f1f 100644 --- a/src/network/lookup_name.c +++ b/src/network/lookup_name.c @@ -184,6 +184,10 @@ static int name_from_dns_search(struct address buf[static MAXADDRS], char canon[ for (dots=l=0; name[l]; l++) if (name[l]=='.') dots++; if (dots >= conf.ndots || name[l-1]=='.') *search = 0; + /* Strip final dot for canon, fail if multiple trailing dots. */ + if (name[l-1]=='.') l--; + if (!l || name[l-1]=='.') return EAI_NONAME; + /* This can never happen; the caller already checked length. */ if (l >= 256) return EAI_NONAME; |