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BUG/MINOR: http-fetch: recognize IPv6 addresses in square brackets in req.hdr_ip() 

If an IPv6 address is enclosed in square brackets [], trim them before
calling inet_pton().  This is to comply with RFC7239 6.1 and RFC3986 3.2.2.
This commit is contained in:
Oto Valek 2023-02-24 21:39:56 +01:00 committed by Willy Tarreau
parent d48bfb6983
commit d1773e6881
1 changed files with 8 additions and 0 deletions
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8
src/http_fetch.c
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@ -1024,7 +1024,15 @@ static int smp_fetch_hdr_ip(const struct arg *args, struct sample *smp, const ch
/* IPv4 address suffixed with ':' followed by a valid port number */
smp->data.type = SMP_T_IPV4;
break;
} else if (temp->area[0] == '[' && temp->area[smp->data.u.str.data-1] == ']') {
/* IPv6 address enclosed in square brackets */
temp->area[smp->data.u.str.data-1] = '\0';
if (inet_pton(AF_INET6, temp->area+1, &smp->data.u.ipv6)) {
smp->data.type = SMP_T_IPV6;
break;
}
} else if (inet_pton(AF_INET6, temp->area, &smp->data.u.ipv6)) {
/* plain IPv6 address */
smp->data.type = SMP_T_IPV6;
break;
}