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SPDY: stop emitting multiple empty header values.

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Previously, nginx would emit empty values in a header with multiple,
NULL-separated values.

This is forbidden by the SPDY specification, which requires headers to
have either a single (possibly empty) value or multiple, NULL-separated
non-empty values.

Signed-off-by: Piotr Sikora <piotr@cloudflare.com>
This commit is contained in:
Piotr Sikora 2014-10-27 14:25:56 -07:00
parent 78dd8b5eda
commit 54606d4625
1 changed files with 6 additions and 2 deletions
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8
src/http/ngx_http_spdy_filter_module.c
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@ -493,9 +493,13 @@ ngx_http_spdy_header_filter(ngx_http_request_t *r)
continue;
}
*last++ = '\0';
if (h[j].value.len) {
if (last != p) {
*last++ = '\0';
}
last = ngx_cpymem(last, h[j].value.data, h[j].value.len);
last = ngx_cpymem(last, h[j].value.data, h[j].value.len);
}
h[j].hash = 2;
}