diff options
| -rw-r--r-- | lib/hostcheck.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/hostcheck.c b/lib/hostcheck.c index 24ddd8960..d144f319a 100644 --- a/lib/hostcheck.c +++ b/lib/hostcheck.c @@ -28,6 +28,7 @@ #include "hostcheck.h" #include "rawstr.h" +#include "inet_pton.h" /* * Match a hostname against a wildcard pattern. @@ -43,11 +44,23 @@ static int hostmatch(const char *hostname, const char *pattern) const char *pattern_label_end, *pattern_wildcard, *hostname_label_end; int wildcard_enabled; size_t prefixlen, suffixlen; + struct in_addr ignored; +#ifdef ENABLE_IPV6 + struct sockaddr_in6 si6; +#endif pattern_wildcard = strchr(pattern, '*'); if(pattern_wildcard == NULL) return Curl_raw_equal(pattern, hostname) ? CURL_HOST_MATCH : CURL_HOST_NOMATCH; + /* detect IP address as hostname and fail the match if so */ + if(Curl_inet_pton(AF_INET, hostname, &ignored) > 0) + return CURL_HOST_NOMATCH; +#ifdef ENABLE_IPV6 + else if(Curl_inet_pton(AF_INET6, hostname, &si6.sin6_addr) > 0) + return CURL_HOST_NOMATCH; +#endif + /* We require at least 2 dots in pattern to avoid too wide wildcard match. */ wildcard_enabled = 1; |