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HTTP/3: fixed pushed request finalization in case of error.

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Previously request could be finalized twice.  For example, this could happen
if "Host" header was invalid.
This commit is contained in:
Roman Arutyunyan 2021-09-17 15:28:31 +03:00
parent 4e2e70b16c
commit 3ae914c837
1 changed files with 23 additions and 32 deletions
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55
src/http/v3/ngx_http_v3_filter_module.c
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@ -880,7 +880,6 @@ static ngx_int_t
ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
uint64_t push_id)
{
ngx_pool_t *pool;
ngx_connection_t *c, *pc;
ngx_http_request_t *r;
ngx_http_log_ctx_t *ctx;
@ -889,8 +888,6 @@ ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
pc = pr->connection;
r = NULL;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pc->log, 0,
"http3 create push request id:%uL", push_id);
@ -901,7 +898,8 @@ ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
hc = ngx_palloc(c->pool, sizeof(ngx_http_connection_t));
if (hc == NULL) {
goto failed;
ngx_http_close_connection(c);
return NGX_ERROR;
}
phc = ngx_http_quic_get_connection(pc);
@ -910,7 +908,8 @@ ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
ctx = ngx_palloc(c->pool, sizeof(ngx_http_log_ctx_t));
if (ctx == NULL) {
goto failed;
ngx_http_close_connection(c);
return NGX_ERROR;
}
ctx->connection = c;
@ -925,7 +924,8 @@ ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
r = ngx_http_create_request(c);
if (r == NULL) {
goto failed;
ngx_http_close_connection(c);
return NGX_ERROR;
}
c->data = r;
@ -941,44 +941,49 @@ ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
r->header_in = ngx_create_temp_buf(r->pool,
cscf->client_header_buffer_size);
if (r->header_in == NULL) {
goto failed;
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_ERROR;
}
if (ngx_list_init(&r->headers_in.headers, r->pool, 4,
sizeof(ngx_table_elt_t))
!= NGX_OK)
{
goto failed;
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_ERROR;
}
r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
r->schema.data = ngx_pstrdup(r->pool, &pr->schema);
if (r->schema.data == NULL) {
goto failed;
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_ERROR;
}
r->schema.len = pr->schema.len;
r->uri_start = ngx_pstrdup(r->pool, path);
if (r->uri_start == NULL) {
goto failed;
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_ERROR;
}
r->uri_end = r->uri_start + path->len;
if (ngx_http_parse_uri(r) != NGX_OK) {
goto failed;
ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
return NGX_ERROR;
}
if (ngx_http_process_request_uri(r) != NGX_OK) {
goto failed;
return NGX_ERROR;
}
if (ngx_http_v3_set_push_header(r, "host", &pr->headers_in.server)
!= NGX_OK)
{
goto failed;
return NGX_ERROR;
}
if (pr->headers_in.accept_encoding) {
@ -986,7 +991,7 @@ ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
&pr->headers_in.accept_encoding->value)
!= NGX_OK)
{
goto failed;
return NGX_ERROR;
}
}
@ -995,7 +1000,7 @@ ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
&pr->headers_in.accept_language->value)
!= NGX_OK)
{
goto failed;
return NGX_ERROR;
}
}
@ -1004,7 +1009,7 @@ ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
&pr->headers_in.user_agent->value)
!= NGX_OK)
{
goto failed;
return NGX_ERROR;
}
}
@ -1014,22 +1019,6 @@ ngx_http_v3_create_push_request(ngx_http_request_t *pr, ngx_str_t *path,
ngx_post_event(c->read, &ngx_posted_events);
return NGX_OK;
failed:
if (r) {
ngx_http_free_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
}
c->destroyed = 1;
pool = c->pool;
ngx_close_connection(c);
ngx_destroy_pool(pool);
return NGX_ERROR;
}
@ -1049,6 +1038,7 @@ ngx_http_v3_set_push_header(ngx_http_request_t *r, const char *name,
p = ngx_pnalloc(r->pool, value->len + 1);
if (p == NULL) {
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_ERROR;
}
@ -1057,6 +1047,7 @@ ngx_http_v3_set_push_header(ngx_http_request_t *r, const char *name,
h = ngx_list_push(&r->headers_in.headers);
if (h == NULL) {
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_ERROR;
}