blob: b685d8dab4c9522fee4761eb8115dffef3ae19e6 (
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Patch source:
http://git.savannah.gnu.org/cgit/wget.git/diff/?id=4d729e322fae359a1aefaafec1144764a54e8ad4
diff --git a/src/url.c b/src/url.c
index 8f8ff0b..7d36b27 100644
--- a/src/url.c
+++ b/src/url.c
@@ -925,6 +925,17 @@ url_parse (const char *url, int *error, struct iri *iri, bool percent_encode)
url_unescape (u->host);
host_modified = true;
+ /* check for invalid control characters in host name */
+ for (p = u->host; *p; p++)
+ {
+ if (c_iscntrl(*p))
+ {
+ url_free(u);
+ error_code = PE_INVALID_HOST_NAME;
+ goto error;
+ }
+ }
+
/* Apply IDNA regardless of iri->utf8_encode status */
if (opt.enable_iri && iri)
{
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