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[core] adjust r->http_host ptr caching 

faster to use http_header_request_set_ptr() and buffer_copy_string_len()
than to use http_header_request_set() and http_header_request_get()

check r->http_host for NULL instead of relying on buffer_copy_* to do so
personal/stbuehler/tests-path
Glenn Strauss 2021-05-10 20:18:38 -04:00
parent 01a9e31227
commit 3a9a3716c4
3 changed files with 27 additions and 18 deletions
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15
src/mod_extforward.c
View File

@ -932,11 +932,16 @@ static handler_t mod_extforward_Forwarded (request_st * const r, plugin_data * c
j += 4; /*(k, klen, v, vlen come in sets of 4)*/
}
if (-1 != ohost) {
if (extforward_check_proxy
&& !buffer_string_is_empty(r->http_host)) {
http_header_env_set(r,
CONST_STR_LEN("_L_EXTFORWARD_ACTUAL_HOST"),
CONST_BUF_LEN(r->http_host));
if (!buffer_string_is_empty(r->http_host)) {
if (extforward_check_proxy)
http_header_env_set(r,
CONST_STR_LEN("_L_EXTFORWARD_ACTUAL_HOST"),
CONST_BUF_LEN(r->http_host));
}
else {
r->http_host =
http_header_request_set_ptr(r, HTTP_HEADER_HOST,
CONST_STR_LEN("Host"));
}
/* remove trailing spaces/tabs, and double-quotes from host */
v = offsets[ohost+2];

22
src/request.c
View File

@ -460,8 +460,9 @@ static const char * http_request_parse_reqline_uri(request_st * const restrict r
return NULL;
}
/* Insert as host header */
http_header_request_set(r, HTTP_HEADER_HOST, CONST_STR_LEN("Host"), host, hostlen);
r->http_host = http_header_request_get(r, HTTP_HEADER_HOST, CONST_STR_LEN("Host"));
r->http_host = http_header_request_set_ptr(r, HTTP_HEADER_HOST,
CONST_STR_LEN("Host"));
buffer_copy_string_len(r->http_host, host, hostlen);
return nuri;
} else if (!(http_parseopts & HTTP_PARSEOPT_HEADER_STRICT) /*(!http_header_strict)*/
|| (HTTP_METHOD_CONNECT == r->http_method && (uri[0] == ':' || light_isdigit(uri[0])))
@ -643,11 +644,10 @@ http_request_parse_header (request_st * const restrict r, http_header_parse_ctx
return http_request_header_line_invalid(r, 400,
"invalid pseudo-header authority too long -> 400");
/* insert as host header */
http_header_request_set(r, HTTP_HEADER_HOST,
CONST_STR_LEN("host"), v, vlen);
r->http_host =
http_header_request_get(r, HTTP_HEADER_HOST,
CONST_STR_LEN("Host"));
http_header_request_set_ptr(r, HTTP_HEADER_HOST,
CONST_STR_LEN("Host"));
buffer_copy_string_len(r->http_host, v, vlen);
return 0;
}
break;
@ -1100,20 +1100,20 @@ http_request_parse (request_st * const restrict r, const int scheme_port)
int status = http_request_parse_target(r, scheme_port);
if (0 != status) return status;
/*(r->http_host might not be set until after parsing request headers)*/
buffer_copy_buffer(&r->uri.authority, r->http_host);/*(copy even if empty)*/
buffer_to_lower(&r->uri.authority);
/* post-processing */
const unsigned int http_parseopts = r->conf.http_parseopts;
/* check hostname field if it is set */
if (r->http_host) {
/*(r->http_host might not be set until after parsing request headers)*/
if (__builtin_expect( (r->http_host != NULL), 1)) {
buffer_copy_buffer(&r->uri.authority, r->http_host);
buffer_to_lower(&r->uri.authority);
if (0 != http_request_host_policy(r->http_host,
http_parseopts, scheme_port))
return http_request_header_line_invalid(r, 400, "Invalid Hostname -> 400");
}
else {
buffer_copy_string_len(&r->uri.authority, CONST_STR_LEN(""));
if (r->http_version >= HTTP_VERSION_1_1)
return http_request_header_line_invalid(r, 400, "HTTP/1.1 but Host missing -> 400");
}

8
src/response.c
View File

@ -630,8 +630,12 @@ static handler_t http_response_comeback (request_st * const r)
config_reset_config(r);
buffer_copy_buffer(&r->uri.authority,r->http_host);/*copy even if NULL*/
buffer_to_lower(&r->uri.authority);
if (__builtin_expect( (r->http_host != NULL), 1)) {
buffer_copy_buffer(&r->uri.authority, r->http_host);
buffer_to_lower(&r->uri.authority);
}
else
buffer_copy_string_len(&r->uri.authority, CONST_STR_LEN(""));
int status = http_request_parse_target(r, r->con->proto_default_port);
if (0 == status) {