diff options
| -rw-r--r-- | src/shared/dns-domain.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/shared/dns-domain.c b/src/shared/dns-domain.c index ef81341eca..d36eb5056f 100644 --- a/src/shared/dns-domain.c +++ b/src/shared/dns-domain.c @@ -521,7 +521,7 @@ int dns_name_compare_func(const void *a, const void *b) { y = (const char *) b + strlen(b); for (;;) { - char la[DNS_LABEL_MAX+1], lb[DNS_LABEL_MAX+1]; + char la[DNS_LABEL_MAX], lb[DNS_LABEL_MAX]; if (x == NULL && y == NULL) return 0; @@ -531,8 +531,15 @@ int dns_name_compare_func(const void *a, const void *b) { if (r < 0 || q < 0) return r - q; - k = dns_label_undo_idna(la, r, la, sizeof(la)); - w = dns_label_undo_idna(lb, q, lb, sizeof(lb)); + if (r > 0) + k = dns_label_undo_idna(la, r, la, sizeof(la)); + else + k = 0; + if (q > 0) + w = dns_label_undo_idna(lb, q, lb, sizeof(lb)); + else + w = 0; + if (k < 0 || w < 0) return k - w; if (k > 0) @@ -540,8 +547,7 @@ int dns_name_compare_func(const void *a, const void *b) { if (w > 0) q = w; - la[r] = lb[q] = 0; - r = strcasecmp(la, lb); + r = ascii_strcasecmp_nn(la, r, lb, q); if (r != 0) return r; } |