23 lines
651 B
Diff
23 lines
651 B
Diff
diff --git a/src/url.c b/src/url.c
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index 8f8ff0b..7d36b27 100644
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--- a/src/url.c
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+++ b/src/url.c
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@@ -925,6 +925,17 @@ url_parse (const char *url, int *error, struct iri *iri, bool percent_encode)
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url_unescape (u->host);
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host_modified = true;
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+ /* check for invalid control characters in host name */
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+ for (p = u->host; *p; p++)
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+ {
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+ if (c_iscntrl(*p))
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+ {
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+ url_free(u);
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+ error_code = PE_INVALID_HOST_NAME;
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+ goto error;
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+ }
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+ }
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+
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/* Apply IDNA regardless of iri->utf8_encode status */
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if (opt.enable_iri && iri)
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{
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