IntenseWebs/nginx
3
0
Fork 0
mirror of https://github.com/nginx/nginx.git synced 2025-02-25 18:55:26 -06:00
Code Issues Packages Projects Releases Wiki Activity

HTTP/3: limited client header size.

Browse Source 
The limit is the size of all large client header buffers.  Client header size
is the total size of all client header names and values.
This commit is contained in:
Roman Arutyunyan 2021-02-17 11:58:32 +03:00
parent ffb099bf52
commit e0425791d4
2 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/http/v3/ngx_http_v3.h
View File

@ -99,6 +99,7 @@ typedef struct {
struct ngx_http_v3_parse_s {
size_t header_limit;
ngx_http_v3_parse_headers_t headers;
ngx_http_v3_parse_data_t body;
};

15
src/http/v3/ngx_http_v3_request.c
View File

@ -118,6 +118,9 @@ ngx_http_v3_init(ngx_connection_t *c)
return;
}
r->v3_parse->header_limit = cscf->large_client_header_buffers.size
* cscf->large_client_header_buffers.num;
c->data = r;
rev = c->read;
@ -261,11 +264,23 @@ static ngx_int_t
ngx_http_v3_process_header(ngx_http_request_t *r, ngx_str_t *name,
ngx_str_t *value)
{
size_t len;
ngx_table_elt_t *h;
ngx_http_header_t *hh;
ngx_http_core_srv_conf_t *cscf;
ngx_http_core_main_conf_t *cmcf;
len = name->len + value->len;
if (len > r->v3_parse->header_limit) {
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
"client sent too large header");
ngx_http_finalize_request(r, NGX_HTTP_REQUEST_HEADER_TOO_LARGE);
return NGX_ERROR;
}
r->v3_parse->header_limit -= len;
if (ngx_http_v3_validate_header(r, name, value) != NGX_OK) {
ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
return NGX_ERROR;