cozis/url.c
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Don't parse host names as IPv4 addresses if they are followed by a valid registered name character

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cozis
2025-12-06 15:49:01 +01:00
parent cbae957022
commit c2ffe57e21
1 changed files with 13 additions and 2 deletions
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url.c
+13 -2
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@@ -524,9 +524,20 @@ int url_parse(char *src, int len, int *pcur, URL *out, int flags)
// First, try the IPv4 rule // First, try the IPv4 rule
if (cur < len && is_digit(src[cur])) { if (cur < len && is_digit(src[cur])) {
if (url_parse_ipv4(src, len, &cur, &out->host_ipv4) == 0) { if (url_parse_ipv4(src, len, &cur, &out->host_ipv4) == 0) {
out->host_type = URL_HOST_IPV4; // If we managed to parse an IPv4 address but the
is_ipv4 = 1; // following character si a valid character for a
// registered name, then it wasn't an IPv4 after
// all. For instance this should not be parsed as
// an IPv4:
// 127.0.0.1.com
if (cur == len || !is_reg_name(src[cur])) {
out->host_type = URL_HOST_IPV4;
is_ipv4 = 1;
}
} }
if (!is_ipv4)
cur = host_off;
} }
if (!is_ipv4) { if (!is_ipv4) {