All non-unique input headers are now linked lists.
The ngx_http_process_multi_header_lines() function is removed, as it is exactly equivalent to ngx_http_process_header_line(). Similarly, ngx_http_variable_header() is used instead of ngx_http_variable_headers().
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29a1e8e317
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@ -22,8 +22,6 @@ static ngx_int_t ngx_http_process_header_line(ngx_http_request_t *r,
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ngx_table_elt_t *h, ngx_uint_t offset);
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static ngx_int_t ngx_http_process_unique_header_line(ngx_http_request_t *r,
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ngx_table_elt_t *h, ngx_uint_t offset);
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static ngx_int_t ngx_http_process_multi_header_lines(ngx_http_request_t *r,
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ngx_table_elt_t *h, ngx_uint_t offset);
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static ngx_int_t ngx_http_process_host(ngx_http_request_t *r,
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ngx_table_elt_t *h, ngx_uint_t offset);
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static ngx_int_t ngx_http_process_connection(ngx_http_request_t *r,
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@ -164,7 +162,7 @@ ngx_http_header_t ngx_http_headers_in[] = {
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#if (NGX_HTTP_X_FORWARDED_FOR)
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{ ngx_string("X-Forwarded-For"),
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offsetof(ngx_http_headers_in_t, x_forwarded_for),
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ngx_http_process_multi_header_lines },
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ngx_http_process_header_line },
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#endif
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#if (NGX_HTTP_REALIP)
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@ -197,7 +195,7 @@ ngx_http_header_t ngx_http_headers_in[] = {
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#endif
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{ ngx_string("Cookie"), offsetof(ngx_http_headers_in_t, cookie),
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ngx_http_process_multi_header_lines },
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ngx_http_process_header_line },
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{ ngx_null_string, 0, NULL }
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};
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@ -1742,10 +1740,10 @@ ngx_http_process_header_line(ngx_http_request_t *r, ngx_table_elt_t *h,
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ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
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if (*ph == NULL) {
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*ph = h;
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h->next = NULL;
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}
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while (*ph) { ph = &(*ph)->next; }
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*ph = h;
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h->next = NULL;
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return NGX_OK;
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}
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@ -1851,13 +1849,10 @@ ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h,
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{
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u_char *user_agent, *msie;
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if (r->headers_in.user_agent) {
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return NGX_OK;
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if (ngx_http_process_header_line(r, h, offset) != NGX_OK) {
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return NGX_ERROR;
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}
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r->headers_in.user_agent = h;
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h->next = NULL;
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/* check some widespread browsers while the header is in CPU cache */
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user_agent = h->value.data;
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@ -1919,23 +1914,6 @@ ngx_http_process_user_agent(ngx_http_request_t *r, ngx_table_elt_t *h,
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}
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static ngx_int_t
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ngx_http_process_multi_header_lines(ngx_http_request_t *r, ngx_table_elt_t *h,
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ngx_uint_t offset)
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{
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ngx_table_elt_t **ph;
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ph = (ngx_table_elt_t **) ((char *) &r->headers_in + offset);
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while (*ph) { ph = &(*ph)->next; }
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*ph = h;
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h->next = NULL;
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return NGX_OK;
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}
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ngx_int_t
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ngx_http_process_request_header(ngx_http_request_t *r)
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{
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@ -27,8 +27,6 @@ static ngx_int_t ngx_http_variable_header(ngx_http_request_t *r,
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static ngx_int_t ngx_http_variable_cookies(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data);
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static ngx_int_t ngx_http_variable_headers(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data);
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static ngx_int_t ngx_http_variable_headers_internal(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data, u_char sep);
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@ -178,7 +176,7 @@ static ngx_http_variable_t ngx_http_core_variables[] = {
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#endif
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#if (NGX_HTTP_X_FORWARDED_FOR)
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{ ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_headers,
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{ ngx_string("http_x_forwarded_for"), NULL, ngx_http_variable_header,
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offsetof(ngx_http_request_t, headers_in.x_forwarded_for), 0, 0 },
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#endif
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@ -327,10 +325,10 @@ static ngx_http_variable_t ngx_http_core_variables[] = {
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{ ngx_string("sent_http_transfer_encoding"), NULL,
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ngx_http_variable_sent_transfer_encoding, 0, 0, 0 },
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{ ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_headers,
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{ ngx_string("sent_http_cache_control"), NULL, ngx_http_variable_header,
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offsetof(ngx_http_request_t, headers_out.cache_control), 0, 0 },
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{ ngx_string("sent_http_link"), NULL, ngx_http_variable_headers,
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{ ngx_string("sent_http_link"), NULL, ngx_http_variable_header,
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offsetof(ngx_http_request_t, headers_out.link), 0, 0 },
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{ ngx_string("limit_rate"), ngx_http_variable_set_limit_rate,
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@ -807,22 +805,7 @@ static ngx_int_t
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ngx_http_variable_header(ngx_http_request_t *r, ngx_http_variable_value_t *v,
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uintptr_t data)
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{
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ngx_table_elt_t *h;
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h = *(ngx_table_elt_t **) ((char *) r + data);
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if (h) {
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v->len = h->value.len;
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v->valid = 1;
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v->no_cacheable = 0;
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v->not_found = 0;
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v->data = h->value.data;
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} else {
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v->not_found = 1;
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}
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return NGX_OK;
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return ngx_http_variable_headers_internal(r, v, data, ',');
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}
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@ -834,14 +817,6 @@ ngx_http_variable_cookies(ngx_http_request_t *r,
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}
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static ngx_int_t
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ngx_http_variable_headers(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data)
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{
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return ngx_http_variable_headers_internal(r, v, data, ',');
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}
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static ngx_int_t
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ngx_http_variable_headers_internal(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data, u_char sep)
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