summaryrefslogtreecommitdiff
path: root/src/network/lookup_name.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/network/lookup_name.c')
-rw-r--r--src/network/lookup_name.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/network/lookup_name.c b/src/network/lookup_name.c
index 68b172b4..743aa082 100644
--- a/src/network/lookup_name.c
+++ b/src/network/lookup_name.c
@@ -14,7 +14,7 @@
static int is_valid_hostname(const char *host)
{
const unsigned char *s;
- if (strnlen(host, 254)-1 >= 253 || mbstowcs(0, host, 0) == -1) return 0;
+ if (strnlen(host, 255)-1 >= 254 || mbstowcs(0, host, 0) == -1) return 0;
for (s=(void *)host; *s>=0x80 || *s=='.' || *s=='-' || isalnum(*s); s++);
return !*s;
}
@@ -152,8 +152,9 @@ int __lookup_name(struct address buf[static MAXADDRS], char canon[static 256], c
*canon = 0;
if (name) {
- size_t l;
- if ((l = strnlen(name, 254))-1 >= 253)
+ /* reject empty name and check len so it fits into temp bufs */
+ size_t l = strnlen(name, 255);
+ if (l-1 >= 254)
return EAI_NONAME;
memcpy(canon, name, l+1);
}