mirror of
https://github.com/nginx/nginx.git
synced 2024-12-15 13:28:59 +08:00
3646 lines
105 KiB
C
3646 lines
105 KiB
C
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/*
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* Copyright (C) Nginx, Inc.
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* Copyright (C) Valentin V. Bartenev
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_http.h>
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#include <ngx_http_spdy_module.h>
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#include <zlib.h>
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#if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED)
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#define ngx_str5cmp(m, c0, c1, c2, c3, c4) \
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*(uint32_t *) m == (c3 << 24 | c2 << 16 | c1 << 8 | c0) \
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&& m[4] == c4
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#else
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#define ngx_str5cmp(m, c0, c1, c2, c3, c4) \
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m[0] == c0 && m[1] == c1 && m[2] == c2 && m[3] == c3 && m[4] == c4
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#endif
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#if (NGX_HAVE_NONALIGNED)
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#define ngx_spdy_frame_parse_uint16(p) ntohs(*(uint16_t *) (p))
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#define ngx_spdy_frame_parse_uint32(p) ntohl(*(uint32_t *) (p))
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#else
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#define ngx_spdy_frame_parse_uint16(p) ((p)[0] << 8 | (p)[1])
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#define ngx_spdy_frame_parse_uint32(p) \
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((p)[0] << 24 | (p)[1] << 16 | (p)[2] << 8 | (p)[3])
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#endif
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#define ngx_spdy_frame_parse_sid(p) \
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(ngx_spdy_frame_parse_uint32(p) & 0x7fffffff)
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#define ngx_spdy_frame_parse_delta(p) \
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(ngx_spdy_frame_parse_uint32(p) & 0x7fffffff)
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#define ngx_spdy_ctl_frame_check(h) \
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(((h) & 0xffff0000) == ngx_spdy_ctl_frame_head(0))
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#define ngx_spdy_data_frame_check(h) \
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(!((h) & (uint32_t) NGX_SPDY_CTL_BIT << 31))
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#define ngx_spdy_ctl_frame_type(h) ((h) & 0x0000ffff)
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#define ngx_spdy_frame_flags(p) ((p) >> 24)
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#define ngx_spdy_frame_length(p) ((p) & 0x00ffffff)
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#define ngx_spdy_frame_id(p) ((p) & 0x00ffffff)
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#define NGX_SPDY_SKIP_HEADERS_BUFFER_SIZE 4096
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#define NGX_SPDY_CTL_FRAME_BUFFER_SIZE 16
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#define NGX_SPDY_PROTOCOL_ERROR 1
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#define NGX_SPDY_INVALID_STREAM 2
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#define NGX_SPDY_REFUSED_STREAM 3
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#define NGX_SPDY_UNSUPPORTED_VERSION 4
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#define NGX_SPDY_CANCEL 5
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#define NGX_SPDY_INTERNAL_ERROR 6
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#define NGX_SPDY_FLOW_CONTROL_ERROR 7
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#define NGX_SPDY_STREAM_IN_USE 8
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#define NGX_SPDY_STREAM_ALREADY_CLOSED 9
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/* deprecated 10 */
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#define NGX_SPDY_FRAME_TOO_LARGE 11
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#define NGX_SPDY_SETTINGS_MAX_STREAMS 4
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#define NGX_SPDY_SETTINGS_INIT_WINDOW 7
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#define NGX_SPDY_SETTINGS_FLAG_PERSIST 0x01
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#define NGX_SPDY_SETTINGS_FLAG_PERSISTED 0x02
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#define NGX_SPDY_MAX_WINDOW NGX_MAX_INT32_VALUE
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#define NGX_SPDY_CONNECTION_WINDOW 65536
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#define NGX_SPDY_INIT_STREAM_WINDOW 65536
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#define NGX_SPDY_STREAM_WINDOW NGX_SPDY_MAX_WINDOW
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typedef struct {
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ngx_uint_t hash;
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u_char len;
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u_char header[7];
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ngx_int_t (*handler)(ngx_http_request_t *r);
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} ngx_http_spdy_request_header_t;
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static void ngx_http_spdy_read_handler(ngx_event_t *rev);
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static void ngx_http_spdy_write_handler(ngx_event_t *wev);
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static void ngx_http_spdy_handle_connection(ngx_http_spdy_connection_t *sc);
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static u_char *ngx_http_spdy_proxy_protocol(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_head(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_syn_stream(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_headers(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_headers_skip(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_headers_error(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_window_update(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_data(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_read_data(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_rst_stream(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_ping(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_skip(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_settings(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_complete(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end);
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static u_char *ngx_http_spdy_state_save(ngx_http_spdy_connection_t *sc,
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u_char *pos, u_char *end, ngx_http_spdy_handler_pt handler);
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static u_char *ngx_http_spdy_state_inflate_error(
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ngx_http_spdy_connection_t *sc, int rc);
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static u_char *ngx_http_spdy_state_protocol_error(
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ngx_http_spdy_connection_t *sc);
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static u_char *ngx_http_spdy_state_internal_error(
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ngx_http_spdy_connection_t *sc);
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static ngx_int_t ngx_http_spdy_send_window_update(
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ngx_http_spdy_connection_t *sc, ngx_uint_t sid, ngx_uint_t delta);
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static ngx_int_t ngx_http_spdy_send_rst_stream(ngx_http_spdy_connection_t *sc,
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ngx_uint_t sid, ngx_uint_t status, ngx_uint_t priority);
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static ngx_int_t ngx_http_spdy_send_settings(ngx_http_spdy_connection_t *sc);
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static ngx_int_t ngx_http_spdy_settings_frame_handler(
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ngx_http_spdy_connection_t *sc, ngx_http_spdy_out_frame_t *frame);
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static ngx_http_spdy_out_frame_t *ngx_http_spdy_get_ctl_frame(
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ngx_http_spdy_connection_t *sc, size_t size, ngx_uint_t priority);
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static ngx_int_t ngx_http_spdy_ctl_frame_handler(
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ngx_http_spdy_connection_t *sc, ngx_http_spdy_out_frame_t *frame);
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static ngx_http_spdy_stream_t *ngx_http_spdy_create_stream(
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ngx_http_spdy_connection_t *sc, ngx_uint_t id, ngx_uint_t priority);
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static ngx_http_spdy_stream_t *ngx_http_spdy_get_stream_by_id(
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ngx_http_spdy_connection_t *sc, ngx_uint_t sid);
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#define ngx_http_spdy_streams_index_size(sscf) (sscf->streams_index_mask + 1)
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#define ngx_http_spdy_stream_index(sscf, sid) \
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((sid >> 1) & sscf->streams_index_mask)
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static ngx_int_t ngx_http_spdy_parse_header(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_alloc_large_header_buffer(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_handle_request_header(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_parse_method(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_parse_scheme(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_parse_host(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_parse_path(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_parse_version(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_construct_request_line(ngx_http_request_t *r);
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static void ngx_http_spdy_run_request(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_init_request_body(ngx_http_request_t *r);
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static ngx_int_t ngx_http_spdy_terminate_stream(ngx_http_spdy_connection_t *sc,
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ngx_http_spdy_stream_t *stream, ngx_uint_t status);
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static void ngx_http_spdy_close_stream_handler(ngx_event_t *ev);
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static void ngx_http_spdy_handle_connection_handler(ngx_event_t *rev);
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static void ngx_http_spdy_keepalive_handler(ngx_event_t *rev);
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static void ngx_http_spdy_finalize_connection(ngx_http_spdy_connection_t *sc,
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ngx_int_t rc);
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static ngx_int_t ngx_http_spdy_adjust_windows(ngx_http_spdy_connection_t *sc,
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ssize_t delta);
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static void ngx_http_spdy_pool_cleanup(void *data);
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static void *ngx_http_spdy_zalloc(void *opaque, u_int items, u_int size);
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static void ngx_http_spdy_zfree(void *opaque, void *address);
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static const u_char ngx_http_spdy_dict[] = {
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0x00, 0x00, 0x00, 0x07, 0x6f, 0x70, 0x74, 0x69, /* - - - - o p t i */
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0x6f, 0x6e, 0x73, 0x00, 0x00, 0x00, 0x04, 0x68, /* o n s - - - - h */
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0x65, 0x61, 0x64, 0x00, 0x00, 0x00, 0x04, 0x70, /* e a d - - - - p */
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0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x03, 0x70, /* o s t - - - - p */
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0x75, 0x74, 0x00, 0x00, 0x00, 0x06, 0x64, 0x65, /* u t - - - - d e */
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0x6c, 0x65, 0x74, 0x65, 0x00, 0x00, 0x00, 0x05, /* l e t e - - - - */
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0x74, 0x72, 0x61, 0x63, 0x65, 0x00, 0x00, 0x00, /* t r a c e - - - */
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0x06, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x00, /* - a c c e p t - */
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0x00, 0x00, 0x0e, 0x61, 0x63, 0x63, 0x65, 0x70, /* - - - a c c e p */
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0x74, 0x2d, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, /* t - c h a r s e */
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0x74, 0x00, 0x00, 0x00, 0x0f, 0x61, 0x63, 0x63, /* t - - - - a c c */
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0x65, 0x70, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, /* e p t - e n c o */
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0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x0f, /* d i n g - - - - */
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0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x6c, /* a c c e p t - l */
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0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x00, /* a n g u a g e - */
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0x00, 0x00, 0x0d, 0x61, 0x63, 0x63, 0x65, 0x70, /* - - - a c c e p */
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0x74, 0x2d, 0x72, 0x61, 0x6e, 0x67, 0x65, 0x73, /* t - r a n g e s */
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0x00, 0x00, 0x00, 0x03, 0x61, 0x67, 0x65, 0x00, /* - - - - a g e - */
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0x00, 0x00, 0x05, 0x61, 0x6c, 0x6c, 0x6f, 0x77, /* - - - a l l o w */
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0x00, 0x00, 0x00, 0x0d, 0x61, 0x75, 0x74, 0x68, /* - - - - a u t h */
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0x6f, 0x72, 0x69, 0x7a, 0x61, 0x74, 0x69, 0x6f, /* o r i z a t i o */
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0x6e, 0x00, 0x00, 0x00, 0x0d, 0x63, 0x61, 0x63, /* n - - - - c a c */
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0x68, 0x65, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, /* h e - c o n t r */
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0x6f, 0x6c, 0x00, 0x00, 0x00, 0x0a, 0x63, 0x6f, /* o l - - - - c o */
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0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, /* n n e c t i o n */
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0x00, 0x00, 0x00, 0x0c, 0x63, 0x6f, 0x6e, 0x74, /* - - - - c o n t */
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0x65, 0x6e, 0x74, 0x2d, 0x62, 0x61, 0x73, 0x65, /* e n t - b a s e */
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0x00, 0x00, 0x00, 0x10, 0x63, 0x6f, 0x6e, 0x74, /* - - - - c o n t */
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0x65, 0x6e, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, /* e n t - e n c o */
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0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x10, /* d i n g - - - - */
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0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, /* c o n t e n t - */
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0x6c, 0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, /* l a n g u a g e */
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0x00, 0x00, 0x00, 0x0e, 0x63, 0x6f, 0x6e, 0x74, /* - - - - c o n t */
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0x65, 0x6e, 0x74, 0x2d, 0x6c, 0x65, 0x6e, 0x67, /* e n t - l e n g */
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0x74, 0x68, 0x00, 0x00, 0x00, 0x10, 0x63, 0x6f, /* t h - - - - c o */
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0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x6c, 0x6f, /* n t e n t - l o */
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0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, /* c a t i o n - - */
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0x00, 0x0b, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, /* - - c o n t e n */
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0x74, 0x2d, 0x6d, 0x64, 0x35, 0x00, 0x00, 0x00, /* t - m d 5 - - - */
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0x0d, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, /* - c o n t e n t */
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0x2d, 0x72, 0x61, 0x6e, 0x67, 0x65, 0x00, 0x00, /* - r a n g e - - */
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|
0x00, 0x0c, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, /* - - c o n t e n */
|
|
0x74, 0x2d, 0x74, 0x79, 0x70, 0x65, 0x00, 0x00, /* t - t y p e - - */
|
|
0x00, 0x04, 0x64, 0x61, 0x74, 0x65, 0x00, 0x00, /* - - d a t e - - */
|
|
0x00, 0x04, 0x65, 0x74, 0x61, 0x67, 0x00, 0x00, /* - - e t a g - - */
|
|
0x00, 0x06, 0x65, 0x78, 0x70, 0x65, 0x63, 0x74, /* - - e x p e c t */
|
|
0x00, 0x00, 0x00, 0x07, 0x65, 0x78, 0x70, 0x69, /* - - - - e x p i */
|
|
0x72, 0x65, 0x73, 0x00, 0x00, 0x00, 0x04, 0x66, /* r e s - - - - f */
|
|
0x72, 0x6f, 0x6d, 0x00, 0x00, 0x00, 0x04, 0x68, /* r o m - - - - h */
|
|
0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x08, 0x69, /* o s t - - - - i */
|
|
0x66, 0x2d, 0x6d, 0x61, 0x74, 0x63, 0x68, 0x00, /* f - m a t c h - */
|
|
0x00, 0x00, 0x11, 0x69, 0x66, 0x2d, 0x6d, 0x6f, /* - - - i f - m o */
|
|
0x64, 0x69, 0x66, 0x69, 0x65, 0x64, 0x2d, 0x73, /* d i f i e d - s */
|
|
0x69, 0x6e, 0x63, 0x65, 0x00, 0x00, 0x00, 0x0d, /* i n c e - - - - */
|
|
0x69, 0x66, 0x2d, 0x6e, 0x6f, 0x6e, 0x65, 0x2d, /* i f - n o n e - */
|
|
0x6d, 0x61, 0x74, 0x63, 0x68, 0x00, 0x00, 0x00, /* m a t c h - - - */
|
|
0x08, 0x69, 0x66, 0x2d, 0x72, 0x61, 0x6e, 0x67, /* - i f - r a n g */
|
|
0x65, 0x00, 0x00, 0x00, 0x13, 0x69, 0x66, 0x2d, /* e - - - - i f - */
|
|
0x75, 0x6e, 0x6d, 0x6f, 0x64, 0x69, 0x66, 0x69, /* u n m o d i f i */
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|
0x65, 0x64, 0x2d, 0x73, 0x69, 0x6e, 0x63, 0x65, /* e d - s i n c e */
|
|
0x00, 0x00, 0x00, 0x0d, 0x6c, 0x61, 0x73, 0x74, /* - - - - l a s t */
|
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0x2d, 0x6d, 0x6f, 0x64, 0x69, 0x66, 0x69, 0x65, /* - m o d i f i e */
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0x64, 0x00, 0x00, 0x00, 0x08, 0x6c, 0x6f, 0x63, /* d - - - - l o c */
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0x61, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, 0x00, /* a t i o n - - - */
|
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0x0c, 0x6d, 0x61, 0x78, 0x2d, 0x66, 0x6f, 0x72, /* - m a x - f o r */
|
|
0x77, 0x61, 0x72, 0x64, 0x73, 0x00, 0x00, 0x00, /* w a r d s - - - */
|
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0x06, 0x70, 0x72, 0x61, 0x67, 0x6d, 0x61, 0x00, /* - p r a g m a - */
|
|
0x00, 0x00, 0x12, 0x70, 0x72, 0x6f, 0x78, 0x79, /* - - - p r o x y */
|
|
0x2d, 0x61, 0x75, 0x74, 0x68, 0x65, 0x6e, 0x74, /* - a u t h e n t */
|
|
0x69, 0x63, 0x61, 0x74, 0x65, 0x00, 0x00, 0x00, /* i c a t e - - - */
|
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0x13, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x2d, 0x61, /* - p r o x y - a */
|
|
0x75, 0x74, 0x68, 0x6f, 0x72, 0x69, 0x7a, 0x61, /* u t h o r i z a */
|
|
0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, 0x00, 0x05, /* t i o n - - - - */
|
|
0x72, 0x61, 0x6e, 0x67, 0x65, 0x00, 0x00, 0x00, /* r a n g e - - - */
|
|
0x07, 0x72, 0x65, 0x66, 0x65, 0x72, 0x65, 0x72, /* - r e f e r e r */
|
|
0x00, 0x00, 0x00, 0x0b, 0x72, 0x65, 0x74, 0x72, /* - - - - r e t r */
|
|
0x79, 0x2d, 0x61, 0x66, 0x74, 0x65, 0x72, 0x00, /* y - a f t e r - */
|
|
0x00, 0x00, 0x06, 0x73, 0x65, 0x72, 0x76, 0x65, /* - - - s e r v e */
|
|
0x72, 0x00, 0x00, 0x00, 0x02, 0x74, 0x65, 0x00, /* r - - - - t e - */
|
|
0x00, 0x00, 0x07, 0x74, 0x72, 0x61, 0x69, 0x6c, /* - - - t r a i l */
|
|
0x65, 0x72, 0x00, 0x00, 0x00, 0x11, 0x74, 0x72, /* e r - - - - t r */
|
|
0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2d, 0x65, /* a n s f e r - e */
|
|
0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x00, /* n c o d i n g - */
|
|
0x00, 0x00, 0x07, 0x75, 0x70, 0x67, 0x72, 0x61, /* - - - u p g r a */
|
|
0x64, 0x65, 0x00, 0x00, 0x00, 0x0a, 0x75, 0x73, /* d e - - - - u s */
|
|
0x65, 0x72, 0x2d, 0x61, 0x67, 0x65, 0x6e, 0x74, /* e r - a g e n t */
|
|
0x00, 0x00, 0x00, 0x04, 0x76, 0x61, 0x72, 0x79, /* - - - - v a r y */
|
|
0x00, 0x00, 0x00, 0x03, 0x76, 0x69, 0x61, 0x00, /* - - - - v i a - */
|
|
0x00, 0x00, 0x07, 0x77, 0x61, 0x72, 0x6e, 0x69, /* - - - w a r n i */
|
|
0x6e, 0x67, 0x00, 0x00, 0x00, 0x10, 0x77, 0x77, /* n g - - - - w w */
|
|
0x77, 0x2d, 0x61, 0x75, 0x74, 0x68, 0x65, 0x6e, /* w - a u t h e n */
|
|
0x74, 0x69, 0x63, 0x61, 0x74, 0x65, 0x00, 0x00, /* t i c a t e - - */
|
|
0x00, 0x06, 0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, /* - - m e t h o d */
|
|
0x00, 0x00, 0x00, 0x03, 0x67, 0x65, 0x74, 0x00, /* - - - - g e t - */
|
|
0x00, 0x00, 0x06, 0x73, 0x74, 0x61, 0x74, 0x75, /* - - - s t a t u */
|
|
0x73, 0x00, 0x00, 0x00, 0x06, 0x32, 0x30, 0x30, /* s - - - - 2 0 0 */
|
|
0x20, 0x4f, 0x4b, 0x00, 0x00, 0x00, 0x07, 0x76, /* - O K - - - - v */
|
|
0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x00, 0x00, /* e r s i o n - - */
|
|
0x00, 0x08, 0x48, 0x54, 0x54, 0x50, 0x2f, 0x31, /* - - H T T P - 1 */
|
|
0x2e, 0x31, 0x00, 0x00, 0x00, 0x03, 0x75, 0x72, /* - 1 - - - - u r */
|
|
0x6c, 0x00, 0x00, 0x00, 0x06, 0x70, 0x75, 0x62, /* l - - - - p u b */
|
|
0x6c, 0x69, 0x63, 0x00, 0x00, 0x00, 0x0a, 0x73, /* l i c - - - - s */
|
|
0x65, 0x74, 0x2d, 0x63, 0x6f, 0x6f, 0x6b, 0x69, /* e t - c o o k i */
|
|
0x65, 0x00, 0x00, 0x00, 0x0a, 0x6b, 0x65, 0x65, /* e - - - - k e e */
|
|
0x70, 0x2d, 0x61, 0x6c, 0x69, 0x76, 0x65, 0x00, /* p - a l i v e - */
|
|
0x00, 0x00, 0x06, 0x6f, 0x72, 0x69, 0x67, 0x69, /* - - - o r i g i */
|
|
0x6e, 0x31, 0x30, 0x30, 0x31, 0x30, 0x31, 0x32, /* n 1 0 0 1 0 1 2 */
|
|
0x30, 0x31, 0x32, 0x30, 0x32, 0x32, 0x30, 0x35, /* 0 1 2 0 2 2 0 5 */
|
|
0x32, 0x30, 0x36, 0x33, 0x30, 0x30, 0x33, 0x30, /* 2 0 6 3 0 0 3 0 */
|
|
0x32, 0x33, 0x30, 0x33, 0x33, 0x30, 0x34, 0x33, /* 2 3 0 3 3 0 4 3 */
|
|
0x30, 0x35, 0x33, 0x30, 0x36, 0x33, 0x30, 0x37, /* 0 5 3 0 6 3 0 7 */
|
|
0x34, 0x30, 0x32, 0x34, 0x30, 0x35, 0x34, 0x30, /* 4 0 2 4 0 5 4 0 */
|
|
0x36, 0x34, 0x30, 0x37, 0x34, 0x30, 0x38, 0x34, /* 6 4 0 7 4 0 8 4 */
|
|
0x30, 0x39, 0x34, 0x31, 0x30, 0x34, 0x31, 0x31, /* 0 9 4 1 0 4 1 1 */
|
|
0x34, 0x31, 0x32, 0x34, 0x31, 0x33, 0x34, 0x31, /* 4 1 2 4 1 3 4 1 */
|
|
0x34, 0x34, 0x31, 0x35, 0x34, 0x31, 0x36, 0x34, /* 4 4 1 5 4 1 6 4 */
|
|
0x31, 0x37, 0x35, 0x30, 0x32, 0x35, 0x30, 0x34, /* 1 7 5 0 2 5 0 4 */
|
|
0x35, 0x30, 0x35, 0x32, 0x30, 0x33, 0x20, 0x4e, /* 5 0 5 2 0 3 - N */
|
|
0x6f, 0x6e, 0x2d, 0x41, 0x75, 0x74, 0x68, 0x6f, /* o n - A u t h o */
|
|
0x72, 0x69, 0x74, 0x61, 0x74, 0x69, 0x76, 0x65, /* r i t a t i v e */
|
|
0x20, 0x49, 0x6e, 0x66, 0x6f, 0x72, 0x6d, 0x61, /* - I n f o r m a */
|
|
0x74, 0x69, 0x6f, 0x6e, 0x32, 0x30, 0x34, 0x20, /* t i o n 2 0 4 - */
|
|
0x4e, 0x6f, 0x20, 0x43, 0x6f, 0x6e, 0x74, 0x65, /* N o - C o n t e */
|
|
0x6e, 0x74, 0x33, 0x30, 0x31, 0x20, 0x4d, 0x6f, /* n t 3 0 1 - M o */
|
|
0x76, 0x65, 0x64, 0x20, 0x50, 0x65, 0x72, 0x6d, /* v e d - P e r m */
|
|
0x61, 0x6e, 0x65, 0x6e, 0x74, 0x6c, 0x79, 0x34, /* a n e n t l y 4 */
|
|
0x30, 0x30, 0x20, 0x42, 0x61, 0x64, 0x20, 0x52, /* 0 0 - B a d - R */
|
|
0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x34, 0x30, /* e q u e s t 4 0 */
|
|
0x31, 0x20, 0x55, 0x6e, 0x61, 0x75, 0x74, 0x68, /* 1 - U n a u t h */
|
|
0x6f, 0x72, 0x69, 0x7a, 0x65, 0x64, 0x34, 0x30, /* o r i z e d 4 0 */
|
|
0x33, 0x20, 0x46, 0x6f, 0x72, 0x62, 0x69, 0x64, /* 3 - F o r b i d */
|
|
0x64, 0x65, 0x6e, 0x34, 0x30, 0x34, 0x20, 0x4e, /* d e n 4 0 4 - N */
|
|
0x6f, 0x74, 0x20, 0x46, 0x6f, 0x75, 0x6e, 0x64, /* o t - F o u n d */
|
|
0x35, 0x30, 0x30, 0x20, 0x49, 0x6e, 0x74, 0x65, /* 5 0 0 - I n t e */
|
|
0x72, 0x6e, 0x61, 0x6c, 0x20, 0x53, 0x65, 0x72, /* r n a l - S e r */
|
|
0x76, 0x65, 0x72, 0x20, 0x45, 0x72, 0x72, 0x6f, /* v e r - E r r o */
|
|
0x72, 0x35, 0x30, 0x31, 0x20, 0x4e, 0x6f, 0x74, /* r 5 0 1 - N o t */
|
|
0x20, 0x49, 0x6d, 0x70, 0x6c, 0x65, 0x6d, 0x65, /* - I m p l e m e */
|
|
0x6e, 0x74, 0x65, 0x64, 0x35, 0x30, 0x33, 0x20, /* n t e d 5 0 3 - */
|
|
0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x20, /* S e r v i c e - */
|
|
0x55, 0x6e, 0x61, 0x76, 0x61, 0x69, 0x6c, 0x61, /* U n a v a i l a */
|
|
0x62, 0x6c, 0x65, 0x4a, 0x61, 0x6e, 0x20, 0x46, /* b l e J a n - F */
|
|
0x65, 0x62, 0x20, 0x4d, 0x61, 0x72, 0x20, 0x41, /* e b - M a r - A */
|
|
0x70, 0x72, 0x20, 0x4d, 0x61, 0x79, 0x20, 0x4a, /* p r - M a y - J */
|
|
0x75, 0x6e, 0x20, 0x4a, 0x75, 0x6c, 0x20, 0x41, /* u n - J u l - A */
|
|
0x75, 0x67, 0x20, 0x53, 0x65, 0x70, 0x74, 0x20, /* u g - S e p t - */
|
|
0x4f, 0x63, 0x74, 0x20, 0x4e, 0x6f, 0x76, 0x20, /* O c t - N o v - */
|
|
0x44, 0x65, 0x63, 0x20, 0x30, 0x30, 0x3a, 0x30, /* D e c - 0 0 - 0 */
|
|
0x30, 0x3a, 0x30, 0x30, 0x20, 0x4d, 0x6f, 0x6e, /* 0 - 0 0 - M o n */
|
|
0x2c, 0x20, 0x54, 0x75, 0x65, 0x2c, 0x20, 0x57, /* - - T u e - - W */
|
|
0x65, 0x64, 0x2c, 0x20, 0x54, 0x68, 0x75, 0x2c, /* e d - - T h u - */
|
|
0x20, 0x46, 0x72, 0x69, 0x2c, 0x20, 0x53, 0x61, /* - F r i - - S a */
|
|
0x74, 0x2c, 0x20, 0x53, 0x75, 0x6e, 0x2c, 0x20, /* t - - S u n - - */
|
|
0x47, 0x4d, 0x54, 0x63, 0x68, 0x75, 0x6e, 0x6b, /* G M T c h u n k */
|
|
0x65, 0x64, 0x2c, 0x74, 0x65, 0x78, 0x74, 0x2f, /* e d - t e x t - */
|
|
0x68, 0x74, 0x6d, 0x6c, 0x2c, 0x69, 0x6d, 0x61, /* h t m l - i m a */
|
|
0x67, 0x65, 0x2f, 0x70, 0x6e, 0x67, 0x2c, 0x69, /* g e - p n g - i */
|
|
0x6d, 0x61, 0x67, 0x65, 0x2f, 0x6a, 0x70, 0x67, /* m a g e - j p g */
|
|
0x2c, 0x69, 0x6d, 0x61, 0x67, 0x65, 0x2f, 0x67, /* - i m a g e - g */
|
|
0x69, 0x66, 0x2c, 0x61, 0x70, 0x70, 0x6c, 0x69, /* i f - a p p l i */
|
|
0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, /* c a t i o n - x */
|
|
0x6d, 0x6c, 0x2c, 0x61, 0x70, 0x70, 0x6c, 0x69, /* m l - a p p l i */
|
|
0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2f, 0x78, /* c a t i o n - x */
|
|
0x68, 0x74, 0x6d, 0x6c, 0x2b, 0x78, 0x6d, 0x6c, /* h t m l - x m l */
|
|
0x2c, 0x74, 0x65, 0x78, 0x74, 0x2f, 0x70, 0x6c, /* - t e x t - p l */
|
|
0x61, 0x69, 0x6e, 0x2c, 0x74, 0x65, 0x78, 0x74, /* a i n - t e x t */
|
|
0x2f, 0x6a, 0x61, 0x76, 0x61, 0x73, 0x63, 0x72, /* - j a v a s c r */
|
|
0x69, 0x70, 0x74, 0x2c, 0x70, 0x75, 0x62, 0x6c, /* i p t - p u b l */
|
|
0x69, 0x63, 0x70, 0x72, 0x69, 0x76, 0x61, 0x74, /* i c p r i v a t */
|
|
0x65, 0x6d, 0x61, 0x78, 0x2d, 0x61, 0x67, 0x65, /* e m a x - a g e */
|
|
0x3d, 0x67, 0x7a, 0x69, 0x70, 0x2c, 0x64, 0x65, /* - g z i p - d e */
|
|
0x66, 0x6c, 0x61, 0x74, 0x65, 0x2c, 0x73, 0x64, /* f l a t e - s d */
|
|
0x63, 0x68, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, /* c h c h a r s e */
|
|
0x74, 0x3d, 0x75, 0x74, 0x66, 0x2d, 0x38, 0x63, /* t - u t f - 8 c */
|
|
0x68, 0x61, 0x72, 0x73, 0x65, 0x74, 0x3d, 0x69, /* h a r s e t - i */
|
|
0x73, 0x6f, 0x2d, 0x38, 0x38, 0x35, 0x39, 0x2d, /* s o - 8 8 5 9 - */
|
|
0x31, 0x2c, 0x75, 0x74, 0x66, 0x2d, 0x2c, 0x2a, /* 1 - u t f - - - */
|
|
0x2c, 0x65, 0x6e, 0x71, 0x3d, 0x30, 0x2e /* - e n q - 0 - */
|
|
};
|
|
|
|
|
|
static ngx_http_spdy_request_header_t ngx_http_spdy_request_headers[] = {
|
|
{ 0, 6, "method", ngx_http_spdy_parse_method },
|
|
{ 0, 6, "scheme", ngx_http_spdy_parse_scheme },
|
|
{ 0, 4, "host", ngx_http_spdy_parse_host },
|
|
{ 0, 4, "path", ngx_http_spdy_parse_path },
|
|
{ 0, 7, "version", ngx_http_spdy_parse_version },
|
|
};
|
|
|
|
#define NGX_SPDY_REQUEST_HEADERS \
|
|
(sizeof(ngx_http_spdy_request_headers) \
|
|
/ sizeof(ngx_http_spdy_request_header_t))
|
|
|
|
|
|
void
|
|
ngx_http_spdy_init(ngx_event_t *rev)
|
|
{
|
|
int rc;
|
|
ngx_connection_t *c;
|
|
ngx_pool_cleanup_t *cln;
|
|
ngx_http_connection_t *hc;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
ngx_http_spdy_main_conf_t *smcf;
|
|
ngx_http_spdy_connection_t *sc;
|
|
|
|
c = rev->data;
|
|
hc = c->data;
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "init spdy request");
|
|
|
|
c->log->action = "processing SPDY";
|
|
|
|
smcf = ngx_http_get_module_main_conf(hc->conf_ctx, ngx_http_spdy_module);
|
|
|
|
if (smcf->recv_buffer == NULL) {
|
|
smcf->recv_buffer = ngx_palloc(ngx_cycle->pool, smcf->recv_buffer_size);
|
|
if (smcf->recv_buffer == NULL) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
}
|
|
|
|
sc = ngx_pcalloc(c->pool, sizeof(ngx_http_spdy_connection_t));
|
|
if (sc == NULL) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
sc->connection = c;
|
|
sc->http_connection = hc;
|
|
|
|
sc->send_window = NGX_SPDY_CONNECTION_WINDOW;
|
|
sc->recv_window = NGX_SPDY_CONNECTION_WINDOW;
|
|
|
|
sc->init_window = NGX_SPDY_INIT_STREAM_WINDOW;
|
|
|
|
sc->handler = hc->proxy_protocol ? ngx_http_spdy_proxy_protocol
|
|
: ngx_http_spdy_state_head;
|
|
|
|
sc->zstream_in.zalloc = ngx_http_spdy_zalloc;
|
|
sc->zstream_in.zfree = ngx_http_spdy_zfree;
|
|
sc->zstream_in.opaque = sc;
|
|
|
|
rc = inflateInit(&sc->zstream_in);
|
|
if (rc != Z_OK) {
|
|
ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
"inflateInit() failed: %d", rc);
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
sc->zstream_out.zalloc = ngx_http_spdy_zalloc;
|
|
sc->zstream_out.zfree = ngx_http_spdy_zfree;
|
|
sc->zstream_out.opaque = sc;
|
|
|
|
sscf = ngx_http_get_module_srv_conf(hc->conf_ctx, ngx_http_spdy_module);
|
|
|
|
rc = deflateInit2(&sc->zstream_out, (int) sscf->headers_comp,
|
|
Z_DEFLATED, 11, 4, Z_DEFAULT_STRATEGY);
|
|
|
|
if (rc != Z_OK) {
|
|
ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
"deflateInit2() failed: %d", rc);
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
rc = deflateSetDictionary(&sc->zstream_out, ngx_http_spdy_dict,
|
|
sizeof(ngx_http_spdy_dict));
|
|
if (rc != Z_OK) {
|
|
ngx_log_error(NGX_LOG_ALERT, c->log, 0,
|
|
"deflateSetDictionary() failed: %d", rc);
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
sc->pool = ngx_create_pool(sscf->pool_size, sc->connection->log);
|
|
if (sc->pool == NULL) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
cln = ngx_pool_cleanup_add(c->pool, sizeof(ngx_pool_cleanup_file_t));
|
|
if (cln == NULL) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
cln->handler = ngx_http_spdy_pool_cleanup;
|
|
cln->data = sc;
|
|
|
|
sc->streams_index = ngx_pcalloc(sc->pool,
|
|
ngx_http_spdy_streams_index_size(sscf)
|
|
* sizeof(ngx_http_spdy_stream_t *));
|
|
if (sc->streams_index == NULL) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
if (ngx_http_spdy_send_settings(sc) == NGX_ERROR) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
if (ngx_http_spdy_send_window_update(sc, 0, NGX_SPDY_MAX_WINDOW
|
|
- sc->recv_window)
|
|
== NGX_ERROR)
|
|
{
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
sc->recv_window = NGX_SPDY_MAX_WINDOW;
|
|
|
|
ngx_queue_init(&sc->waiting);
|
|
ngx_queue_init(&sc->posted);
|
|
|
|
c->data = sc;
|
|
|
|
rev->handler = ngx_http_spdy_read_handler;
|
|
c->write->handler = ngx_http_spdy_write_handler;
|
|
|
|
ngx_http_spdy_read_handler(rev);
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_read_handler(ngx_event_t *rev)
|
|
{
|
|
u_char *p, *end;
|
|
size_t available;
|
|
ssize_t n;
|
|
ngx_connection_t *c;
|
|
ngx_http_spdy_main_conf_t *smcf;
|
|
ngx_http_spdy_connection_t *sc;
|
|
|
|
c = rev->data;
|
|
sc = c->data;
|
|
|
|
if (rev->timedout) {
|
|
ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
ngx_http_spdy_finalize_connection(sc, NGX_HTTP_REQUEST_TIME_OUT);
|
|
return;
|
|
}
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "spdy read handler");
|
|
|
|
sc->blocked = 1;
|
|
|
|
smcf = ngx_http_get_module_main_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_spdy_module);
|
|
|
|
available = smcf->recv_buffer_size - 2 * NGX_SPDY_STATE_BUFFER_SIZE;
|
|
|
|
do {
|
|
p = smcf->recv_buffer;
|
|
|
|
ngx_memcpy(p, sc->buffer, NGX_SPDY_STATE_BUFFER_SIZE);
|
|
end = p + sc->buffer_used;
|
|
|
|
n = c->recv(c, end, available);
|
|
|
|
if (n == NGX_AGAIN) {
|
|
break;
|
|
}
|
|
|
|
if (n == 0 && (sc->incomplete || sc->processing)) {
|
|
ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
"client prematurely closed connection");
|
|
}
|
|
|
|
if (n == 0 || n == NGX_ERROR) {
|
|
ngx_http_spdy_finalize_connection(sc,
|
|
NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
return;
|
|
}
|
|
|
|
end += n;
|
|
|
|
sc->buffer_used = 0;
|
|
sc->incomplete = 0;
|
|
|
|
do {
|
|
p = sc->handler(sc, p, end);
|
|
|
|
if (p == NULL) {
|
|
return;
|
|
}
|
|
|
|
} while (p != end);
|
|
|
|
} while (rev->ready);
|
|
|
|
if (ngx_handle_read_event(rev, 0) != NGX_OK) {
|
|
ngx_http_spdy_finalize_connection(sc, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
return;
|
|
}
|
|
|
|
if (sc->last_out && ngx_http_spdy_send_output_queue(sc) == NGX_ERROR) {
|
|
ngx_http_spdy_finalize_connection(sc, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
return;
|
|
}
|
|
|
|
sc->blocked = 0;
|
|
|
|
if (sc->processing) {
|
|
if (rev->timer_set) {
|
|
ngx_del_timer(rev);
|
|
}
|
|
return;
|
|
}
|
|
|
|
ngx_http_spdy_handle_connection(sc);
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_write_handler(ngx_event_t *wev)
|
|
{
|
|
ngx_int_t rc;
|
|
ngx_queue_t *q;
|
|
ngx_connection_t *c;
|
|
ngx_http_spdy_stream_t *stream;
|
|
ngx_http_spdy_connection_t *sc;
|
|
|
|
c = wev->data;
|
|
sc = c->data;
|
|
|
|
if (wev->timedout) {
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"spdy write event timed out");
|
|
ngx_http_spdy_finalize_connection(sc, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
return;
|
|
}
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "spdy write handler");
|
|
|
|
sc->blocked = 1;
|
|
|
|
rc = ngx_http_spdy_send_output_queue(sc);
|
|
|
|
if (rc == NGX_ERROR) {
|
|
ngx_http_spdy_finalize_connection(sc, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
return;
|
|
}
|
|
|
|
while (!ngx_queue_empty(&sc->posted)) {
|
|
q = ngx_queue_head(&sc->posted);
|
|
|
|
ngx_queue_remove(q);
|
|
|
|
stream = ngx_queue_data(q, ngx_http_spdy_stream_t, queue);
|
|
|
|
stream->handled = 0;
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"run spdy stream %ui", stream->id);
|
|
|
|
wev = stream->request->connection->write;
|
|
wev->handler(wev);
|
|
}
|
|
|
|
sc->blocked = 0;
|
|
|
|
if (rc == NGX_AGAIN) {
|
|
return;
|
|
}
|
|
|
|
ngx_http_spdy_handle_connection(sc);
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_spdy_send_output_queue(ngx_http_spdy_connection_t *sc)
|
|
{
|
|
ngx_chain_t *cl;
|
|
ngx_event_t *wev;
|
|
ngx_connection_t *c;
|
|
ngx_http_core_loc_conf_t *clcf;
|
|
ngx_http_spdy_out_frame_t *out, *frame, *fn;
|
|
|
|
c = sc->connection;
|
|
|
|
if (c->error) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
wev = c->write;
|
|
|
|
if (!wev->ready) {
|
|
return NGX_OK;
|
|
}
|
|
|
|
cl = NULL;
|
|
out = NULL;
|
|
|
|
for (frame = sc->last_out; frame; frame = fn) {
|
|
frame->last->next = cl;
|
|
cl = frame->first;
|
|
|
|
fn = frame->next;
|
|
frame->next = out;
|
|
out = frame;
|
|
|
|
ngx_log_debug5(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"spdy frame out: %p sid:%ui prio:%ui bl:%d len:%uz",
|
|
out, out->stream ? out->stream->id : 0, out->priority,
|
|
out->blocked, out->length);
|
|
}
|
|
|
|
cl = c->send_chain(c, cl, 0);
|
|
|
|
if (cl == NGX_CHAIN_ERROR) {
|
|
c->error = 1;
|
|
|
|
if (!sc->blocked) {
|
|
ngx_post_event(wev, &ngx_posted_events);
|
|
}
|
|
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
clcf = ngx_http_get_module_loc_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_core_module);
|
|
|
|
if (ngx_handle_write_event(wev, clcf->send_lowat) != NGX_OK) {
|
|
return NGX_ERROR; /* FIXME */
|
|
}
|
|
|
|
if (cl) {
|
|
ngx_add_timer(wev, clcf->send_timeout);
|
|
|
|
} else {
|
|
if (wev->timer_set) {
|
|
ngx_del_timer(wev);
|
|
}
|
|
}
|
|
|
|
for ( /* void */ ; out; out = fn) {
|
|
fn = out->next;
|
|
|
|
if (out->handler(sc, out) != NGX_OK) {
|
|
out->blocked = 1;
|
|
out->priority = NGX_SPDY_HIGHEST_PRIORITY;
|
|
break;
|
|
}
|
|
|
|
ngx_log_debug4(NGX_LOG_DEBUG_HTTP, c->log, 0,
|
|
"spdy frame sent: %p sid:%ui bl:%d len:%uz",
|
|
out, out->stream ? out->stream->id : 0,
|
|
out->blocked, out->length);
|
|
}
|
|
|
|
frame = NULL;
|
|
|
|
for ( /* void */ ; out; out = fn) {
|
|
fn = out->next;
|
|
out->next = frame;
|
|
frame = out;
|
|
}
|
|
|
|
sc->last_out = frame;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_handle_connection(ngx_http_spdy_connection_t *sc)
|
|
{
|
|
ngx_connection_t *c;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
|
|
if (sc->last_out || sc->processing) {
|
|
return;
|
|
}
|
|
|
|
c = sc->connection;
|
|
|
|
if (c->error) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
if (c->buffered) {
|
|
return;
|
|
}
|
|
|
|
sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_spdy_module);
|
|
if (sc->incomplete) {
|
|
ngx_add_timer(c->read, sscf->recv_timeout);
|
|
return;
|
|
}
|
|
|
|
if (ngx_terminate || ngx_exiting) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
ngx_destroy_pool(sc->pool);
|
|
|
|
sc->pool = NULL;
|
|
sc->free_ctl_frames = NULL;
|
|
sc->free_fake_connections = NULL;
|
|
|
|
#if (NGX_HTTP_SSL)
|
|
if (c->ssl) {
|
|
ngx_ssl_free_buffer(c);
|
|
}
|
|
#endif
|
|
|
|
c->destroyed = 1;
|
|
c->idle = 1;
|
|
ngx_reusable_connection(c, 1);
|
|
|
|
c->write->handler = ngx_http_empty_handler;
|
|
c->read->handler = ngx_http_spdy_keepalive_handler;
|
|
|
|
if (c->write->timer_set) {
|
|
ngx_del_timer(c->write);
|
|
}
|
|
|
|
ngx_add_timer(c->read, sscf->keepalive_timeout);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_proxy_protocol(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
ngx_log_t *log;
|
|
|
|
log = sc->connection->log;
|
|
log->action = "reading PROXY protocol";
|
|
|
|
pos = ngx_proxy_protocol_parse(sc->connection, pos, end);
|
|
|
|
log->action = "processing SPDY";
|
|
|
|
if (pos == NULL) {
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_head(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
uint32_t head, flen;
|
|
ngx_uint_t type;
|
|
|
|
if (end - pos < NGX_SPDY_FRAME_HEADER_SIZE) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_head);
|
|
}
|
|
|
|
head = ngx_spdy_frame_parse_uint32(pos);
|
|
|
|
pos += sizeof(uint32_t);
|
|
|
|
flen = ngx_spdy_frame_parse_uint32(pos);
|
|
|
|
sc->flags = ngx_spdy_frame_flags(flen);
|
|
sc->length = ngx_spdy_frame_length(flen);
|
|
|
|
pos += sizeof(uint32_t);
|
|
|
|
ngx_log_debug3(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"process spdy frame head:%08XD f:%Xd l:%uz",
|
|
head, sc->flags, sc->length);
|
|
|
|
if (ngx_spdy_ctl_frame_check(head)) {
|
|
type = ngx_spdy_ctl_frame_type(head);
|
|
|
|
switch (type) {
|
|
|
|
case NGX_SPDY_SYN_STREAM:
|
|
return ngx_http_spdy_state_syn_stream(sc, pos, end);
|
|
|
|
case NGX_SPDY_SYN_REPLY:
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent unexpected SYN_REPLY frame");
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
|
|
case NGX_SPDY_RST_STREAM:
|
|
return ngx_http_spdy_state_rst_stream(sc, pos, end);
|
|
|
|
case NGX_SPDY_SETTINGS:
|
|
return ngx_http_spdy_state_settings(sc, pos, end);
|
|
|
|
case NGX_SPDY_PING:
|
|
return ngx_http_spdy_state_ping(sc, pos, end);
|
|
|
|
case NGX_SPDY_GOAWAY:
|
|
return ngx_http_spdy_state_skip(sc, pos, end); /* TODO */
|
|
|
|
case NGX_SPDY_HEADERS:
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent unexpected HEADERS frame");
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
|
|
case NGX_SPDY_WINDOW_UPDATE:
|
|
return ngx_http_spdy_state_window_update(sc, pos, end);
|
|
|
|
default:
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy control frame with unknown type %ui", type);
|
|
return ngx_http_spdy_state_skip(sc, pos, end);
|
|
}
|
|
}
|
|
|
|
if (ngx_spdy_data_frame_check(head)) {
|
|
sc->stream = ngx_http_spdy_get_stream_by_id(sc, head);
|
|
return ngx_http_spdy_state_data(sc, pos, end);
|
|
}
|
|
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent invalid frame");
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_syn_stream(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
ngx_uint_t sid, prio;
|
|
ngx_http_spdy_stream_t *stream;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
|
|
if (end - pos < NGX_SPDY_SYN_STREAM_SIZE) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_syn_stream);
|
|
}
|
|
|
|
if (sc->length <= NGX_SPDY_SYN_STREAM_SIZE) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent SYN_STREAM frame with incorrect length %uz",
|
|
sc->length);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
sc->length -= NGX_SPDY_SYN_STREAM_SIZE;
|
|
|
|
sid = ngx_spdy_frame_parse_sid(pos);
|
|
prio = pos[8] >> 5;
|
|
|
|
pos += NGX_SPDY_SYN_STREAM_SIZE;
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy SYN_STREAM frame sid:%ui prio:%ui", sid, prio);
|
|
|
|
if (sid % 2 == 0 || sid <= sc->last_sid) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent SYN_STREAM frame "
|
|
"with invalid Stream-ID %ui", sid);
|
|
|
|
stream = ngx_http_spdy_get_stream_by_id(sc, sid);
|
|
|
|
if (stream) {
|
|
if (ngx_http_spdy_terminate_stream(sc, stream,
|
|
NGX_SPDY_PROTOCOL_ERROR)
|
|
!= NGX_OK)
|
|
{
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
}
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
sc->last_sid = sid;
|
|
|
|
sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_spdy_module);
|
|
|
|
if (sc->processing >= sscf->concurrent_streams) {
|
|
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"concurrent streams exceeded %ui", sc->processing);
|
|
|
|
if (ngx_http_spdy_send_rst_stream(sc, sid, NGX_SPDY_REFUSED_STREAM,
|
|
prio)
|
|
!= NGX_OK)
|
|
{
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
return ngx_http_spdy_state_headers_skip(sc, pos, end);
|
|
}
|
|
|
|
stream = ngx_http_spdy_create_stream(sc, sid, prio);
|
|
if (stream == NULL) {
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
stream->in_closed = (sc->flags & NGX_SPDY_FLAG_FIN) ? 1 : 0;
|
|
|
|
stream->request->request_length = NGX_SPDY_FRAME_HEADER_SIZE
|
|
+ NGX_SPDY_SYN_STREAM_SIZE
|
|
+ sc->length;
|
|
|
|
sc->stream = stream;
|
|
|
|
return ngx_http_spdy_state_headers(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_headers(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
int z;
|
|
size_t size;
|
|
ngx_buf_t *buf;
|
|
ngx_int_t rc;
|
|
ngx_http_request_t *r;
|
|
|
|
size = end - pos;
|
|
|
|
if (size == 0) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_headers);
|
|
}
|
|
|
|
if (size > sc->length) {
|
|
size = sc->length;
|
|
}
|
|
|
|
r = sc->stream->request;
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"process spdy header block %uz of %uz", size, sc->length);
|
|
|
|
buf = r->header_in;
|
|
|
|
sc->zstream_in.next_in = pos;
|
|
sc->zstream_in.avail_in = size;
|
|
sc->zstream_in.next_out = buf->last;
|
|
|
|
/* one byte is reserved for null-termination of the last header value */
|
|
sc->zstream_in.avail_out = buf->end - buf->last - 1;
|
|
|
|
z = inflate(&sc->zstream_in, Z_NO_FLUSH);
|
|
|
|
if (z == Z_NEED_DICT) {
|
|
z = inflateSetDictionary(&sc->zstream_in, ngx_http_spdy_dict,
|
|
sizeof(ngx_http_spdy_dict));
|
|
|
|
if (z != Z_OK) {
|
|
if (z == Z_DATA_ERROR) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent SYN_STREAM frame with header "
|
|
"block encoded using wrong dictionary: %ul",
|
|
(u_long) sc->zstream_in.adler);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
"inflateSetDictionary() failed: %d", z);
|
|
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"spdy inflateSetDictionary(): %d", z);
|
|
|
|
z = sc->zstream_in.avail_in ? inflate(&sc->zstream_in, Z_NO_FLUSH)
|
|
: Z_OK;
|
|
}
|
|
|
|
if (z != Z_OK) {
|
|
return ngx_http_spdy_state_inflate_error(sc, z);
|
|
}
|
|
|
|
ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"spdy inflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d",
|
|
sc->zstream_in.next_in, sc->zstream_in.next_out,
|
|
sc->zstream_in.avail_in, sc->zstream_in.avail_out,
|
|
z);
|
|
|
|
sc->length -= sc->zstream_in.next_in - pos;
|
|
pos = sc->zstream_in.next_in;
|
|
|
|
buf->last = sc->zstream_in.next_out;
|
|
|
|
if (r->headers_in.headers.part.elts == NULL) {
|
|
|
|
if (buf->last - buf->pos < NGX_SPDY_NV_NUM_SIZE) {
|
|
|
|
if (sc->length == 0) {
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"premature end of spdy header block");
|
|
|
|
return ngx_http_spdy_state_headers_error(sc, pos, end);
|
|
}
|
|
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_headers);
|
|
}
|
|
|
|
sc->entries = ngx_spdy_frame_parse_uint32(buf->pos);
|
|
|
|
buf->pos += NGX_SPDY_NV_NUM_SIZE;
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"spdy header block has %ui entries",
|
|
sc->entries);
|
|
|
|
if (ngx_list_init(&r->headers_in.headers, r->pool, 20,
|
|
sizeof(ngx_table_elt_t))
|
|
!= NGX_OK)
|
|
{
|
|
ngx_http_spdy_close_stream(sc->stream,
|
|
NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
return ngx_http_spdy_state_headers_skip(sc, pos, end);
|
|
}
|
|
|
|
if (ngx_array_init(&r->headers_in.cookies, r->pool, 2,
|
|
sizeof(ngx_table_elt_t *))
|
|
!= NGX_OK)
|
|
{
|
|
ngx_http_spdy_close_stream(sc->stream,
|
|
NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
return ngx_http_spdy_state_headers_skip(sc, pos, end);
|
|
}
|
|
}
|
|
|
|
while (sc->entries) {
|
|
|
|
rc = ngx_http_spdy_parse_header(r);
|
|
|
|
switch (rc) {
|
|
|
|
case NGX_DONE:
|
|
sc->entries--;
|
|
|
|
case NGX_OK:
|
|
break;
|
|
|
|
case NGX_AGAIN:
|
|
|
|
if (sc->zstream_in.avail_in) {
|
|
|
|
rc = ngx_http_spdy_alloc_large_header_buffer(r);
|
|
|
|
if (rc == NGX_DECLINED) {
|
|
ngx_http_finalize_request(r,
|
|
NGX_HTTP_REQUEST_HEADER_TOO_LARGE);
|
|
return ngx_http_spdy_state_headers_skip(sc, pos, end);
|
|
}
|
|
|
|
if (rc != NGX_OK) {
|
|
ngx_http_spdy_close_stream(sc->stream,
|
|
NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
return ngx_http_spdy_state_headers_skip(sc, pos, end);
|
|
}
|
|
|
|
/* null-terminate the last processed header name or value */
|
|
*buf->pos = '\0';
|
|
|
|
buf = r->header_in;
|
|
|
|
sc->zstream_in.next_out = buf->last;
|
|
|
|
/* one byte is reserved for null-termination */
|
|
sc->zstream_in.avail_out = buf->end - buf->last - 1;
|
|
|
|
z = inflate(&sc->zstream_in, Z_NO_FLUSH);
|
|
|
|
if (z != Z_OK) {
|
|
return ngx_http_spdy_state_inflate_error(sc, z);
|
|
}
|
|
|
|
sc->length -= sc->zstream_in.next_in - pos;
|
|
pos = sc->zstream_in.next_in;
|
|
|
|
buf->last = sc->zstream_in.next_out;
|
|
|
|
continue;
|
|
}
|
|
|
|
if (sc->length == 0) {
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"premature end of spdy header block");
|
|
|
|
return ngx_http_spdy_state_headers_error(sc, pos, end);
|
|
}
|
|
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_headers);
|
|
|
|
case NGX_HTTP_PARSE_INVALID_HEADER:
|
|
ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
return ngx_http_spdy_state_headers_skip(sc, pos, end);
|
|
|
|
default: /* NGX_ERROR */
|
|
return ngx_http_spdy_state_headers_error(sc, pos, end);
|
|
}
|
|
|
|
/* a header line has been parsed successfully */
|
|
|
|
rc = ngx_http_spdy_handle_request_header(r);
|
|
|
|
if (rc != NGX_OK) {
|
|
if (rc == NGX_HTTP_PARSE_INVALID_HEADER) {
|
|
ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
return ngx_http_spdy_state_headers_skip(sc, pos, end);
|
|
}
|
|
|
|
if (rc != NGX_ABORT) {
|
|
ngx_http_spdy_close_stream(sc->stream,
|
|
NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
}
|
|
|
|
return ngx_http_spdy_state_headers_skip(sc, pos, end);
|
|
}
|
|
}
|
|
|
|
if (buf->pos != buf->last || sc->zstream_in.avail_in) {
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"incorrect number of spdy header block entries");
|
|
|
|
return ngx_http_spdy_state_headers_error(sc, pos, end);
|
|
}
|
|
|
|
if (sc->length) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_headers);
|
|
}
|
|
|
|
/* null-terminate the last header value */
|
|
*buf->pos = '\0';
|
|
|
|
ngx_http_spdy_run_request(r);
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_headers_skip(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
int n;
|
|
size_t size;
|
|
u_char buffer[NGX_SPDY_SKIP_HEADERS_BUFFER_SIZE];
|
|
|
|
if (sc->length == 0) {
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
size = end - pos;
|
|
|
|
if (size == 0) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_headers_skip);
|
|
}
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy header block skip %uz of %uz", size, sc->length);
|
|
|
|
sc->zstream_in.next_in = pos;
|
|
sc->zstream_in.avail_in = (size < sc->length) ? size : sc->length;
|
|
|
|
while (sc->zstream_in.avail_in) {
|
|
sc->zstream_in.next_out = buffer;
|
|
sc->zstream_in.avail_out = NGX_SPDY_SKIP_HEADERS_BUFFER_SIZE;
|
|
|
|
n = inflate(&sc->zstream_in, Z_NO_FLUSH);
|
|
|
|
if (n != Z_OK) {
|
|
return ngx_http_spdy_state_inflate_error(sc, n);
|
|
}
|
|
}
|
|
|
|
pos = sc->zstream_in.next_in;
|
|
|
|
if (size < sc->length) {
|
|
sc->length -= size;
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_headers_skip);
|
|
}
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_headers_error(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
ngx_http_spdy_stream_t *stream;
|
|
|
|
stream = sc->stream;
|
|
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent SYN_STREAM frame for stream %ui "
|
|
"with invalid header block", stream->id);
|
|
|
|
if (ngx_http_spdy_send_rst_stream(sc, stream->id, NGX_SPDY_PROTOCOL_ERROR,
|
|
stream->priority)
|
|
!= NGX_OK)
|
|
{
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
stream->out_closed = 1;
|
|
|
|
ngx_http_spdy_close_stream(stream, NGX_HTTP_BAD_REQUEST);
|
|
|
|
return ngx_http_spdy_state_headers_skip(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_window_update(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
size_t delta;
|
|
ngx_uint_t sid;
|
|
ngx_event_t *wev;
|
|
ngx_queue_t *q;
|
|
ngx_http_spdy_stream_t *stream;
|
|
|
|
if (end - pos < NGX_SPDY_WINDOW_UPDATE_SIZE) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_window_update);
|
|
}
|
|
|
|
if (sc->length != NGX_SPDY_WINDOW_UPDATE_SIZE) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent WINDOW_UPDATE frame "
|
|
"with incorrect length %uz", sc->length);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
sid = ngx_spdy_frame_parse_sid(pos);
|
|
|
|
pos += NGX_SPDY_SID_SIZE;
|
|
|
|
delta = ngx_spdy_frame_parse_delta(pos);
|
|
|
|
pos += NGX_SPDY_DELTA_SIZE;
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy WINDOW_UPDATE sid:%ui delta:%ui", sid, delta);
|
|
|
|
if (sid) {
|
|
stream = ngx_http_spdy_get_stream_by_id(sc, sid);
|
|
|
|
if (stream == NULL) {
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"unknown spdy stream");
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
if (stream->send_window > (ssize_t) (NGX_SPDY_MAX_WINDOW - delta)) {
|
|
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client violated flow control for stream %ui: "
|
|
"received WINDOW_UPDATE frame with delta %uz "
|
|
"not allowed for window %z",
|
|
sid, delta, stream->send_window);
|
|
|
|
if (ngx_http_spdy_terminate_stream(sc, stream,
|
|
NGX_SPDY_FLOW_CONTROL_ERROR)
|
|
== NGX_ERROR)
|
|
{
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
stream->send_window += delta;
|
|
|
|
if (stream->exhausted) {
|
|
stream->exhausted = 0;
|
|
|
|
wev = stream->request->connection->write;
|
|
|
|
if (!wev->timer_set) {
|
|
wev->delayed = 0;
|
|
wev->handler(wev);
|
|
}
|
|
}
|
|
|
|
} else {
|
|
sc->send_window += delta;
|
|
|
|
if (sc->send_window > NGX_SPDY_MAX_WINDOW) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client violated connection flow control: "
|
|
"received WINDOW_UPDATE frame with delta %uz "
|
|
"not allowed for window %uz",
|
|
delta, sc->send_window);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
while (!ngx_queue_empty(&sc->waiting)) {
|
|
q = ngx_queue_head(&sc->waiting);
|
|
|
|
ngx_queue_remove(q);
|
|
|
|
stream = ngx_queue_data(q, ngx_http_spdy_stream_t, queue);
|
|
|
|
stream->handled = 0;
|
|
|
|
wev = stream->request->connection->write;
|
|
|
|
if (!wev->timer_set) {
|
|
wev->delayed = 0;
|
|
wev->handler(wev);
|
|
|
|
if (sc->send_window == 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_data(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
ngx_http_spdy_stream_t *stream;
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy DATA frame");
|
|
|
|
if (sc->length > sc->recv_window) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client violated connection flow control: "
|
|
"received DATA frame length %uz, available window %uz",
|
|
sc->length, sc->recv_window);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
sc->recv_window -= sc->length;
|
|
|
|
if (sc->recv_window < NGX_SPDY_MAX_WINDOW / 4) {
|
|
|
|
if (ngx_http_spdy_send_window_update(sc, 0,
|
|
NGX_SPDY_MAX_WINDOW
|
|
- sc->recv_window)
|
|
== NGX_ERROR)
|
|
{
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
sc->recv_window = NGX_SPDY_MAX_WINDOW;
|
|
}
|
|
|
|
stream = sc->stream;
|
|
|
|
if (stream == NULL) {
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"unknown spdy stream");
|
|
|
|
return ngx_http_spdy_state_skip(sc, pos, end);
|
|
}
|
|
|
|
if (sc->length > stream->recv_window) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client violated flow control for stream %ui: "
|
|
"received DATA frame length %uz, available window %uz",
|
|
stream->id, sc->length, stream->recv_window);
|
|
|
|
if (ngx_http_spdy_terminate_stream(sc, stream,
|
|
NGX_SPDY_FLOW_CONTROL_ERROR)
|
|
== NGX_ERROR)
|
|
{
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
return ngx_http_spdy_state_skip(sc, pos, end);
|
|
}
|
|
|
|
stream->recv_window -= sc->length;
|
|
|
|
if (stream->recv_window < NGX_SPDY_STREAM_WINDOW / 4) {
|
|
|
|
if (ngx_http_spdy_send_window_update(sc, stream->id,
|
|
NGX_SPDY_STREAM_WINDOW
|
|
- stream->recv_window)
|
|
== NGX_ERROR)
|
|
{
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
stream->recv_window = NGX_SPDY_STREAM_WINDOW;
|
|
}
|
|
|
|
if (stream->in_closed) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent DATA frame for half-closed stream %ui",
|
|
stream->id);
|
|
|
|
if (ngx_http_spdy_terminate_stream(sc, stream,
|
|
NGX_SPDY_STREAM_ALREADY_CLOSED)
|
|
== NGX_ERROR)
|
|
{
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
return ngx_http_spdy_state_skip(sc, pos, end);
|
|
}
|
|
|
|
return ngx_http_spdy_state_read_data(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_read_data(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
size_t size;
|
|
ssize_t n;
|
|
ngx_buf_t *buf;
|
|
ngx_int_t rc;
|
|
ngx_temp_file_t *tf;
|
|
ngx_http_request_t *r;
|
|
ngx_http_spdy_stream_t *stream;
|
|
ngx_http_request_body_t *rb;
|
|
ngx_http_core_loc_conf_t *clcf;
|
|
|
|
stream = sc->stream;
|
|
|
|
if (stream == NULL) {
|
|
return ngx_http_spdy_state_skip(sc, pos, end);
|
|
}
|
|
|
|
if (stream->skip_data) {
|
|
|
|
if (sc->flags & NGX_SPDY_FLAG_FIN) {
|
|
stream->in_closed = 1;
|
|
}
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"skipping spdy DATA frame, reason: %d",
|
|
stream->skip_data);
|
|
|
|
return ngx_http_spdy_state_skip(sc, pos, end);
|
|
}
|
|
|
|
size = end - pos;
|
|
|
|
if (size > sc->length) {
|
|
size = sc->length;
|
|
}
|
|
|
|
r = stream->request;
|
|
|
|
if (r->request_body == NULL
|
|
&& ngx_http_spdy_init_request_body(r) != NGX_OK)
|
|
{
|
|
stream->skip_data = NGX_SPDY_DATA_INTERNAL_ERROR;
|
|
return ngx_http_spdy_state_skip(sc, pos, end);
|
|
}
|
|
|
|
rb = r->request_body;
|
|
tf = rb->temp_file;
|
|
buf = rb->buf;
|
|
|
|
if (size) {
|
|
rb->rest += size;
|
|
|
|
if (r->headers_in.content_length_n != -1
|
|
&& r->headers_in.content_length_n < rb->rest)
|
|
{
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client intended to send body data "
|
|
"larger than declared");
|
|
|
|
stream->skip_data = NGX_SPDY_DATA_ERROR;
|
|
goto error;
|
|
|
|
} else {
|
|
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
|
if (clcf->client_max_body_size
|
|
&& clcf->client_max_body_size < rb->rest)
|
|
{
|
|
ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
"client intended to send "
|
|
"too large chunked body: %O bytes", rb->rest);
|
|
|
|
stream->skip_data = NGX_SPDY_DATA_ERROR;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
sc->length -= size;
|
|
|
|
if (tf) {
|
|
buf->start = pos;
|
|
buf->pos = pos;
|
|
|
|
pos += size;
|
|
|
|
buf->end = pos;
|
|
buf->last = pos;
|
|
|
|
n = ngx_write_chain_to_temp_file(tf, rb->bufs);
|
|
|
|
/* TODO: n == 0 or not complete and level event */
|
|
|
|
if (n == NGX_ERROR) {
|
|
stream->skip_data = NGX_SPDY_DATA_INTERNAL_ERROR;
|
|
goto error;
|
|
}
|
|
|
|
tf->offset += n;
|
|
|
|
} else {
|
|
buf->last = ngx_cpymem(buf->last, pos, size);
|
|
pos += size;
|
|
}
|
|
|
|
r->request_length += size;
|
|
}
|
|
|
|
if (sc->length) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_read_data);
|
|
}
|
|
|
|
if (sc->flags & NGX_SPDY_FLAG_FIN) {
|
|
|
|
stream->in_closed = 1;
|
|
|
|
if (r->headers_in.content_length_n < 0) {
|
|
r->headers_in.content_length_n = rb->rest;
|
|
|
|
} else if (r->headers_in.content_length_n != rb->rest) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client prematurely closed stream: "
|
|
"only %O out of %O bytes of request body received",
|
|
rb->rest, r->headers_in.content_length_n);
|
|
|
|
stream->skip_data = NGX_SPDY_DATA_ERROR;
|
|
goto error;
|
|
}
|
|
|
|
if (tf) {
|
|
ngx_memzero(buf, sizeof(ngx_buf_t));
|
|
|
|
buf->in_file = 1;
|
|
buf->file_last = tf->file.offset;
|
|
buf->file = &tf->file;
|
|
|
|
rb->buf = NULL;
|
|
}
|
|
|
|
if (rb->post_handler) {
|
|
r->read_event_handler = ngx_http_block_reading;
|
|
rb->post_handler(r);
|
|
}
|
|
}
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
|
|
error:
|
|
|
|
if (rb->post_handler) {
|
|
|
|
if (stream->skip_data == NGX_SPDY_DATA_ERROR) {
|
|
rc = (r->headers_in.content_length_n == -1)
|
|
? NGX_HTTP_REQUEST_ENTITY_TOO_LARGE
|
|
: NGX_HTTP_BAD_REQUEST;
|
|
|
|
} else {
|
|
rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
}
|
|
|
|
ngx_http_finalize_request(r, rc);
|
|
}
|
|
|
|
return ngx_http_spdy_state_skip(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_rst_stream(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
ngx_uint_t sid, status;
|
|
ngx_event_t *ev;
|
|
ngx_connection_t *fc;
|
|
ngx_http_spdy_stream_t *stream;
|
|
|
|
if (end - pos < NGX_SPDY_RST_STREAM_SIZE) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_rst_stream);
|
|
}
|
|
|
|
if (sc->length != NGX_SPDY_RST_STREAM_SIZE) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent RST_STREAM frame with incorrect length %uz",
|
|
sc->length);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
sid = ngx_spdy_frame_parse_sid(pos);
|
|
|
|
pos += NGX_SPDY_SID_SIZE;
|
|
|
|
status = ngx_spdy_frame_parse_uint32(pos);
|
|
|
|
pos += sizeof(uint32_t);
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy RST_STREAM sid:%ui st:%ui", sid, status);
|
|
|
|
stream = ngx_http_spdy_get_stream_by_id(sc, sid);
|
|
|
|
if (stream == NULL) {
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"unknown spdy stream");
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
stream->in_closed = 1;
|
|
stream->out_closed = 1;
|
|
|
|
fc = stream->request->connection;
|
|
fc->error = 1;
|
|
|
|
switch (status) {
|
|
|
|
case NGX_SPDY_CANCEL:
|
|
ngx_log_error(NGX_LOG_INFO, fc->log, 0,
|
|
"client canceled stream %ui", sid);
|
|
break;
|
|
|
|
case NGX_SPDY_INTERNAL_ERROR:
|
|
ngx_log_error(NGX_LOG_INFO, fc->log, 0,
|
|
"client terminated stream %ui due to internal error",
|
|
sid);
|
|
break;
|
|
|
|
default:
|
|
ngx_log_error(NGX_LOG_INFO, fc->log, 0,
|
|
"client terminated stream %ui with status %ui",
|
|
sid, status);
|
|
break;
|
|
}
|
|
|
|
ev = fc->read;
|
|
ev->handler(ev);
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_ping(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
u_char *p;
|
|
ngx_buf_t *buf;
|
|
ngx_http_spdy_out_frame_t *frame;
|
|
|
|
if (end - pos < NGX_SPDY_PING_SIZE) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_ping);
|
|
}
|
|
|
|
if (sc->length != NGX_SPDY_PING_SIZE) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent PING frame with incorrect length %uz",
|
|
sc->length);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy PING frame");
|
|
|
|
frame = ngx_http_spdy_get_ctl_frame(sc, NGX_SPDY_PING_SIZE,
|
|
NGX_SPDY_HIGHEST_PRIORITY);
|
|
if (frame == NULL) {
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
buf = frame->first->buf;
|
|
|
|
p = buf->pos;
|
|
|
|
p = ngx_spdy_frame_write_head(p, NGX_SPDY_PING);
|
|
p = ngx_spdy_frame_write_flags_and_len(p, 0, NGX_SPDY_PING_SIZE);
|
|
|
|
p = ngx_cpymem(p, pos, NGX_SPDY_PING_SIZE);
|
|
|
|
buf->last = p;
|
|
|
|
ngx_http_spdy_queue_frame(sc, frame);
|
|
|
|
pos += NGX_SPDY_PING_SIZE;
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_skip(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
size_t size;
|
|
|
|
size = end - pos;
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy frame skip %uz of %uz", size, sc->length);
|
|
|
|
if (size < sc->length) {
|
|
sc->length -= size;
|
|
return ngx_http_spdy_state_save(sc, end, end,
|
|
ngx_http_spdy_state_skip);
|
|
}
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos + sc->length, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_settings(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
ngx_uint_t fid, val;
|
|
|
|
if (sc->entries == 0) {
|
|
|
|
if (end - pos < NGX_SPDY_SETTINGS_NUM_SIZE) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_settings);
|
|
}
|
|
|
|
sc->entries = ngx_spdy_frame_parse_uint32(pos);
|
|
|
|
pos += NGX_SPDY_SETTINGS_NUM_SIZE;
|
|
sc->length -= NGX_SPDY_SETTINGS_NUM_SIZE;
|
|
|
|
if (sc->length < sc->entries * NGX_SPDY_SETTINGS_PAIR_SIZE) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent SETTINGS frame with incorrect "
|
|
"length %uz or number of entries %ui",
|
|
sc->length, sc->entries);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy SETTINGS frame has %ui entries", sc->entries);
|
|
}
|
|
|
|
while (sc->entries) {
|
|
if (end - pos < NGX_SPDY_SETTINGS_PAIR_SIZE) {
|
|
return ngx_http_spdy_state_save(sc, pos, end,
|
|
ngx_http_spdy_state_settings);
|
|
}
|
|
|
|
sc->entries--;
|
|
sc->length -= NGX_SPDY_SETTINGS_PAIR_SIZE;
|
|
|
|
fid = ngx_spdy_frame_parse_uint32(pos);
|
|
|
|
pos += NGX_SPDY_SETTINGS_FID_SIZE;
|
|
|
|
val = ngx_spdy_frame_parse_uint32(pos);
|
|
|
|
pos += NGX_SPDY_SETTINGS_VAL_SIZE;
|
|
|
|
ngx_log_debug3(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy SETTINGS entry fl:%ui id:%ui val:%ui",
|
|
ngx_spdy_frame_flags(fid), ngx_spdy_frame_id(fid), val);
|
|
|
|
if (ngx_spdy_frame_flags(fid) == NGX_SPDY_SETTINGS_FLAG_PERSISTED) {
|
|
continue;
|
|
}
|
|
|
|
switch (ngx_spdy_frame_id(fid)) {
|
|
|
|
case NGX_SPDY_SETTINGS_INIT_WINDOW:
|
|
|
|
if (val > NGX_SPDY_MAX_WINDOW) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent SETTINGS frame with "
|
|
"incorrect INIT_WINDOW value: %ui", val);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
if (ngx_http_spdy_adjust_windows(sc, val - sc->init_window)
|
|
!= NGX_OK)
|
|
{
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
sc->init_window = val;
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
|
return ngx_http_spdy_state_complete(sc, pos, end);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_complete(ngx_http_spdy_connection_t *sc, u_char *pos,
|
|
u_char *end)
|
|
{
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy frame complete pos:%p end:%p", pos, end);
|
|
|
|
if (pos > end) {
|
|
ngx_log_error(NGX_LOG_ALERT, sc->connection->log, 0,
|
|
"receive buffer overrun");
|
|
|
|
ngx_debug_point();
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
sc->handler = ngx_http_spdy_state_head;
|
|
sc->stream = NULL;
|
|
|
|
return pos;
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_save(ngx_http_spdy_connection_t *sc,
|
|
u_char *pos, u_char *end, ngx_http_spdy_handler_pt handler)
|
|
{
|
|
size_t size;
|
|
|
|
ngx_log_debug3(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy frame state save pos:%p end:%p handler:%p",
|
|
pos, end, handler);
|
|
|
|
size = end - pos;
|
|
|
|
if (size > NGX_SPDY_STATE_BUFFER_SIZE) {
|
|
ngx_log_error(NGX_LOG_ALERT, sc->connection->log, 0,
|
|
"state buffer overflow: %uz bytes required", size);
|
|
|
|
ngx_debug_point();
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
ngx_memcpy(sc->buffer, pos, NGX_SPDY_STATE_BUFFER_SIZE);
|
|
|
|
sc->buffer_used = size;
|
|
sc->handler = handler;
|
|
sc->incomplete = 1;
|
|
|
|
return end;
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_inflate_error(ngx_http_spdy_connection_t *sc, int rc)
|
|
{
|
|
if (rc == Z_DATA_ERROR || rc == Z_STREAM_END) {
|
|
ngx_log_error(NGX_LOG_INFO, sc->connection->log, 0,
|
|
"client sent SYN_STREAM frame with "
|
|
"corrupted header block, inflate() failed: %d", rc);
|
|
|
|
return ngx_http_spdy_state_protocol_error(sc);
|
|
}
|
|
|
|
ngx_log_error(NGX_LOG_ERR, sc->connection->log, 0,
|
|
"inflate() failed: %d", rc);
|
|
|
|
return ngx_http_spdy_state_internal_error(sc);
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_protocol_error(ngx_http_spdy_connection_t *sc)
|
|
{
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy state protocol error");
|
|
|
|
if (sc->stream) {
|
|
sc->stream->out_closed = 1;
|
|
ngx_http_spdy_close_stream(sc->stream, NGX_HTTP_BAD_REQUEST);
|
|
}
|
|
|
|
ngx_http_spdy_finalize_connection(sc, NGX_HTTP_CLIENT_CLOSED_REQUEST);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_http_spdy_state_internal_error(ngx_http_spdy_connection_t *sc)
|
|
{
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy state internal error");
|
|
|
|
if (sc->stream) {
|
|
sc->stream->out_closed = 1;
|
|
ngx_http_spdy_close_stream(sc->stream, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
}
|
|
|
|
ngx_http_spdy_finalize_connection(sc, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_send_window_update(ngx_http_spdy_connection_t *sc, ngx_uint_t sid,
|
|
ngx_uint_t delta)
|
|
{
|
|
u_char *p;
|
|
ngx_buf_t *buf;
|
|
ngx_http_spdy_out_frame_t *frame;
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy send WINDOW_UPDATE sid:%ui delta:%ui", sid, delta);
|
|
|
|
frame = ngx_http_spdy_get_ctl_frame(sc, NGX_SPDY_WINDOW_UPDATE_SIZE,
|
|
NGX_SPDY_HIGHEST_PRIORITY);
|
|
if (frame == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
buf = frame->first->buf;
|
|
|
|
p = buf->pos;
|
|
|
|
p = ngx_spdy_frame_write_head(p, NGX_SPDY_WINDOW_UPDATE);
|
|
p = ngx_spdy_frame_write_flags_and_len(p, 0, NGX_SPDY_WINDOW_UPDATE_SIZE);
|
|
|
|
p = ngx_spdy_frame_write_sid(p, sid);
|
|
p = ngx_spdy_frame_aligned_write_uint32(p, delta);
|
|
|
|
buf->last = p;
|
|
|
|
ngx_http_spdy_queue_frame(sc, frame);
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_send_rst_stream(ngx_http_spdy_connection_t *sc, ngx_uint_t sid,
|
|
ngx_uint_t status, ngx_uint_t priority)
|
|
{
|
|
u_char *p;
|
|
ngx_buf_t *buf;
|
|
ngx_http_spdy_out_frame_t *frame;
|
|
|
|
if (sc->connection->error) {
|
|
return NGX_OK;
|
|
}
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy send RST_STREAM sid:%ui st:%ui", sid, status);
|
|
|
|
frame = ngx_http_spdy_get_ctl_frame(sc, NGX_SPDY_RST_STREAM_SIZE,
|
|
priority);
|
|
if (frame == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
buf = frame->first->buf;
|
|
|
|
p = buf->pos;
|
|
|
|
p = ngx_spdy_frame_write_head(p, NGX_SPDY_RST_STREAM);
|
|
p = ngx_spdy_frame_write_flags_and_len(p, 0, NGX_SPDY_RST_STREAM_SIZE);
|
|
|
|
p = ngx_spdy_frame_write_sid(p, sid);
|
|
p = ngx_spdy_frame_aligned_write_uint32(p, status);
|
|
|
|
buf->last = p;
|
|
|
|
ngx_http_spdy_queue_frame(sc, frame);
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
#if 0
|
|
static ngx_int_t
|
|
ngx_http_spdy_send_goaway(ngx_http_spdy_connection_t *sc)
|
|
{
|
|
u_char *p;
|
|
ngx_buf_t *buf;
|
|
ngx_http_spdy_out_frame_t *frame;
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy send GOAWAY sid:%ui", sc->last_sid);
|
|
|
|
frame = ngx_http_spdy_get_ctl_frame(sc, NGX_SPDY_GOAWAY_SIZE,
|
|
NGX_SPDY_HIGHEST_PRIORITY);
|
|
if (frame == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
buf = frame->first->buf;
|
|
|
|
p = buf->pos;
|
|
|
|
p = ngx_spdy_frame_write_head(p, NGX_SPDY_GOAWAY);
|
|
p = ngx_spdy_frame_write_flags_and_len(p, 0, NGX_SPDY_GOAWAY_SIZE);
|
|
|
|
p = ngx_spdy_frame_write_sid(p, sc->last_sid);
|
|
|
|
buf->last = p;
|
|
|
|
ngx_http_spdy_queue_frame(sc, frame);
|
|
|
|
return NGX_OK;
|
|
}
|
|
#endif
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_send_settings(ngx_http_spdy_connection_t *sc)
|
|
{
|
|
u_char *p;
|
|
ngx_buf_t *buf;
|
|
ngx_chain_t *cl;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
ngx_http_spdy_out_frame_t *frame;
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy send SETTINGS frame");
|
|
|
|
frame = ngx_palloc(sc->pool, sizeof(ngx_http_spdy_out_frame_t));
|
|
if (frame == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
cl = ngx_alloc_chain_link(sc->pool);
|
|
if (cl == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
buf = ngx_create_temp_buf(sc->pool, NGX_SPDY_FRAME_HEADER_SIZE
|
|
+ NGX_SPDY_SETTINGS_NUM_SIZE
|
|
+ 2 * NGX_SPDY_SETTINGS_PAIR_SIZE);
|
|
if (buf == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
buf->last_buf = 1;
|
|
|
|
cl->buf = buf;
|
|
cl->next = NULL;
|
|
|
|
frame->first = cl;
|
|
frame->last = cl;
|
|
frame->handler = ngx_http_spdy_settings_frame_handler;
|
|
frame->stream = NULL;
|
|
#if (NGX_DEBUG)
|
|
frame->length = NGX_SPDY_SETTINGS_NUM_SIZE
|
|
+ 2 * NGX_SPDY_SETTINGS_PAIR_SIZE;
|
|
#endif
|
|
frame->priority = NGX_SPDY_HIGHEST_PRIORITY;
|
|
frame->blocked = 0;
|
|
|
|
p = buf->pos;
|
|
|
|
p = ngx_spdy_frame_write_head(p, NGX_SPDY_SETTINGS);
|
|
p = ngx_spdy_frame_write_flags_and_len(p, NGX_SPDY_FLAG_CLEAR_SETTINGS,
|
|
NGX_SPDY_SETTINGS_NUM_SIZE
|
|
+ 2 * NGX_SPDY_SETTINGS_PAIR_SIZE);
|
|
|
|
p = ngx_spdy_frame_aligned_write_uint32(p, 2);
|
|
|
|
sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_spdy_module);
|
|
|
|
p = ngx_spdy_frame_write_flags_and_id(p, 0, NGX_SPDY_SETTINGS_MAX_STREAMS);
|
|
p = ngx_spdy_frame_aligned_write_uint32(p, sscf->concurrent_streams);
|
|
|
|
p = ngx_spdy_frame_write_flags_and_id(p, 0, NGX_SPDY_SETTINGS_INIT_WINDOW);
|
|
p = ngx_spdy_frame_aligned_write_uint32(p, NGX_SPDY_STREAM_WINDOW);
|
|
|
|
buf->last = p;
|
|
|
|
ngx_http_spdy_queue_frame(sc, frame);
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_spdy_settings_frame_handler(ngx_http_spdy_connection_t *sc,
|
|
ngx_http_spdy_out_frame_t *frame)
|
|
{
|
|
ngx_buf_t *buf;
|
|
|
|
buf = frame->first->buf;
|
|
|
|
if (buf->pos != buf->last) {
|
|
return NGX_AGAIN;
|
|
}
|
|
|
|
ngx_free_chain(sc->pool, frame->first);
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_http_spdy_out_frame_t *
|
|
ngx_http_spdy_get_ctl_frame(ngx_http_spdy_connection_t *sc, size_t length,
|
|
ngx_uint_t priority)
|
|
{
|
|
ngx_chain_t *cl;
|
|
ngx_http_spdy_out_frame_t *frame;
|
|
|
|
frame = sc->free_ctl_frames;
|
|
|
|
if (frame) {
|
|
sc->free_ctl_frames = frame->next;
|
|
|
|
cl = frame->first;
|
|
cl->buf->pos = cl->buf->start;
|
|
|
|
} else {
|
|
frame = ngx_palloc(sc->pool, sizeof(ngx_http_spdy_out_frame_t));
|
|
if (frame == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
cl = ngx_alloc_chain_link(sc->pool);
|
|
if (cl == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
cl->buf = ngx_create_temp_buf(sc->pool,
|
|
NGX_SPDY_CTL_FRAME_BUFFER_SIZE);
|
|
if (cl->buf == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
cl->buf->last_buf = 1;
|
|
|
|
frame->first = cl;
|
|
frame->last = cl;
|
|
frame->handler = ngx_http_spdy_ctl_frame_handler;
|
|
frame->stream = NULL;
|
|
}
|
|
|
|
#if (NGX_DEBUG)
|
|
if (length > NGX_SPDY_CTL_FRAME_BUFFER_SIZE - NGX_SPDY_FRAME_HEADER_SIZE) {
|
|
ngx_log_error(NGX_LOG_ALERT, sc->pool->log, 0,
|
|
"requested control frame is too large: %uz", length);
|
|
return NULL;
|
|
}
|
|
|
|
frame->length = length;
|
|
#endif
|
|
|
|
frame->priority = priority;
|
|
frame->blocked = 0;
|
|
|
|
return frame;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_ctl_frame_handler(ngx_http_spdy_connection_t *sc,
|
|
ngx_http_spdy_out_frame_t *frame)
|
|
{
|
|
ngx_buf_t *buf;
|
|
|
|
buf = frame->first->buf;
|
|
|
|
if (buf->pos != buf->last) {
|
|
return NGX_AGAIN;
|
|
}
|
|
|
|
frame->next = sc->free_ctl_frames;
|
|
sc->free_ctl_frames = frame;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_http_spdy_stream_t *
|
|
ngx_http_spdy_create_stream(ngx_http_spdy_connection_t *sc, ngx_uint_t id,
|
|
ngx_uint_t priority)
|
|
{
|
|
ngx_log_t *log;
|
|
ngx_uint_t index;
|
|
ngx_event_t *rev, *wev;
|
|
ngx_connection_t *fc;
|
|
ngx_http_log_ctx_t *ctx;
|
|
ngx_http_request_t *r;
|
|
ngx_http_spdy_stream_t *stream;
|
|
ngx_http_core_srv_conf_t *cscf;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
|
|
fc = sc->free_fake_connections;
|
|
|
|
if (fc) {
|
|
sc->free_fake_connections = fc->data;
|
|
|
|
rev = fc->read;
|
|
wev = fc->write;
|
|
log = fc->log;
|
|
ctx = log->data;
|
|
|
|
} else {
|
|
fc = ngx_palloc(sc->pool, sizeof(ngx_connection_t));
|
|
if (fc == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
rev = ngx_palloc(sc->pool, sizeof(ngx_event_t));
|
|
if (rev == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
wev = ngx_palloc(sc->pool, sizeof(ngx_event_t));
|
|
if (wev == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
log = ngx_palloc(sc->pool, sizeof(ngx_log_t));
|
|
if (log == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
ctx = ngx_palloc(sc->pool, sizeof(ngx_http_log_ctx_t));
|
|
if (ctx == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
ctx->connection = fc;
|
|
ctx->request = NULL;
|
|
}
|
|
|
|
ngx_memcpy(log, sc->connection->log, sizeof(ngx_log_t));
|
|
|
|
log->data = ctx;
|
|
|
|
ngx_memzero(rev, sizeof(ngx_event_t));
|
|
|
|
rev->data = fc;
|
|
rev->ready = 1;
|
|
rev->handler = ngx_http_spdy_close_stream_handler;
|
|
rev->log = log;
|
|
|
|
ngx_memcpy(wev, rev, sizeof(ngx_event_t));
|
|
|
|
wev->write = 1;
|
|
|
|
ngx_memcpy(fc, sc->connection, sizeof(ngx_connection_t));
|
|
|
|
fc->data = sc->http_connection;
|
|
fc->read = rev;
|
|
fc->write = wev;
|
|
fc->sent = 0;
|
|
fc->log = log;
|
|
fc->buffered = 0;
|
|
fc->sndlowat = 1;
|
|
fc->tcp_nodelay = NGX_TCP_NODELAY_DISABLED;
|
|
|
|
r = ngx_http_create_request(fc);
|
|
if (r == NULL) {
|
|
return NULL;
|
|
}
|
|
|
|
r->valid_location = 1;
|
|
|
|
fc->data = r;
|
|
sc->connection->requests++;
|
|
|
|
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
|
r->header_in = ngx_create_temp_buf(r->pool,
|
|
cscf->client_header_buffer_size);
|
|
if (r->header_in == NULL) {
|
|
ngx_http_free_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
return NULL;
|
|
}
|
|
|
|
r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
|
|
|
|
stream = ngx_pcalloc(r->pool, sizeof(ngx_http_spdy_stream_t));
|
|
if (stream == NULL) {
|
|
ngx_http_free_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
return NULL;
|
|
}
|
|
|
|
r->spdy_stream = stream;
|
|
|
|
stream->id = id;
|
|
stream->request = r;
|
|
stream->connection = sc;
|
|
|
|
stream->send_window = sc->init_window;
|
|
stream->recv_window = NGX_SPDY_STREAM_WINDOW;
|
|
|
|
stream->priority = priority;
|
|
|
|
sscf = ngx_http_get_module_srv_conf(r, ngx_http_spdy_module);
|
|
|
|
index = ngx_http_spdy_stream_index(sscf, id);
|
|
|
|
stream->index = sc->streams_index[index];
|
|
sc->streams_index[index] = stream;
|
|
|
|
sc->processing++;
|
|
|
|
return stream;
|
|
}
|
|
|
|
|
|
static ngx_http_spdy_stream_t *
|
|
ngx_http_spdy_get_stream_by_id(ngx_http_spdy_connection_t *sc,
|
|
ngx_uint_t sid)
|
|
{
|
|
ngx_http_spdy_stream_t *stream;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
|
|
sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_spdy_module);
|
|
|
|
stream = sc->streams_index[ngx_http_spdy_stream_index(sscf, sid)];
|
|
|
|
while (stream) {
|
|
if (stream->id == sid) {
|
|
return stream;
|
|
}
|
|
|
|
stream = stream->index;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_parse_header(ngx_http_request_t *r)
|
|
{
|
|
u_char *p, *end, ch;
|
|
ngx_uint_t hash;
|
|
ngx_http_core_srv_conf_t *cscf;
|
|
|
|
enum {
|
|
sw_name_len = 0,
|
|
sw_name,
|
|
sw_value_len,
|
|
sw_value
|
|
} state;
|
|
|
|
state = r->state;
|
|
|
|
p = r->header_in->pos;
|
|
end = r->header_in->last;
|
|
|
|
switch (state) {
|
|
|
|
case sw_name_len:
|
|
|
|
if (end - p < NGX_SPDY_NV_NLEN_SIZE) {
|
|
return NGX_AGAIN;
|
|
}
|
|
|
|
r->lowcase_index = ngx_spdy_frame_parse_uint32(p);
|
|
|
|
if (r->lowcase_index == 0) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
/* null-terminate the previous header value */
|
|
*p = '\0';
|
|
|
|
p += NGX_SPDY_NV_NLEN_SIZE;
|
|
|
|
r->invalid_header = 0;
|
|
|
|
state = sw_name;
|
|
|
|
/* fall through */
|
|
|
|
case sw_name:
|
|
|
|
if ((ngx_uint_t) (end - p) < r->lowcase_index) {
|
|
break;
|
|
}
|
|
|
|
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
|
r->header_name_start = p;
|
|
r->header_name_end = p + r->lowcase_index;
|
|
|
|
if (p[0] == ':') {
|
|
p++;
|
|
}
|
|
|
|
hash = 0;
|
|
|
|
for ( /* void */ ; p != r->header_name_end; p++) {
|
|
|
|
ch = *p;
|
|
|
|
hash = ngx_hash(hash, ch);
|
|
|
|
if ((ch >= 'a' && ch <= 'z')
|
|
|| (ch == '-')
|
|
|| (ch >= '0' && ch <= '9')
|
|
|| (ch == '_' && cscf->underscores_in_headers))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
switch (ch) {
|
|
case '\0':
|
|
case LF:
|
|
case CR:
|
|
case ':':
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent invalid header name: \"%*s\"",
|
|
r->lowcase_index, r->header_name_start);
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
if (ch >= 'A' && ch <= 'Z') {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
r->invalid_header = 1;
|
|
}
|
|
|
|
r->header_hash = hash;
|
|
|
|
state = sw_value_len;
|
|
|
|
/* fall through */
|
|
|
|
case sw_value_len:
|
|
|
|
if (end - p < NGX_SPDY_NV_VLEN_SIZE) {
|
|
break;
|
|
}
|
|
|
|
r->lowcase_index = ngx_spdy_frame_parse_uint32(p);
|
|
|
|
/* null-terminate header name */
|
|
*p = '\0';
|
|
|
|
p += NGX_SPDY_NV_VLEN_SIZE;
|
|
|
|
state = sw_value;
|
|
|
|
/* fall through */
|
|
|
|
case sw_value:
|
|
|
|
if ((ngx_uint_t) (end - p) < r->lowcase_index) {
|
|
break;
|
|
}
|
|
|
|
r->header_start = p;
|
|
|
|
while (r->lowcase_index--) {
|
|
ch = *p;
|
|
|
|
if (ch == '\0') {
|
|
|
|
if (p == r->header_start) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
r->header_end = p;
|
|
r->header_in->pos = p + 1;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
if (ch == CR || ch == LF) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent header \"%*s\" with "
|
|
"invalid value: \"%*s\\%c...\"",
|
|
r->header_name_end - r->header_name_start,
|
|
r->header_name_start,
|
|
p - r->header_start,
|
|
r->header_start,
|
|
ch == CR ? 'r' : 'n');
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
p++;
|
|
}
|
|
|
|
r->header_end = p;
|
|
r->header_in->pos = p;
|
|
|
|
r->state = 0;
|
|
|
|
return NGX_DONE;
|
|
}
|
|
|
|
r->header_in->pos = p;
|
|
r->state = state;
|
|
|
|
return NGX_AGAIN;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_alloc_large_header_buffer(ngx_http_request_t *r)
|
|
{
|
|
u_char *old, *new, *p;
|
|
size_t rest;
|
|
ngx_buf_t *buf;
|
|
ngx_http_spdy_stream_t *stream;
|
|
ngx_http_core_srv_conf_t *cscf;
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"spdy alloc large header buffer");
|
|
|
|
stream = r->spdy_stream;
|
|
|
|
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
|
if (stream->header_buffers
|
|
== (ngx_uint_t) cscf->large_client_header_buffers.num)
|
|
{
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent too large request");
|
|
|
|
return NGX_DECLINED;
|
|
}
|
|
|
|
rest = r->header_in->last - r->header_in->pos;
|
|
|
|
/*
|
|
* equality is prohibited since one more byte is needed
|
|
* for null-termination
|
|
*/
|
|
if (rest >= cscf->large_client_header_buffers.size) {
|
|
p = r->header_in->pos;
|
|
|
|
if (rest > NGX_MAX_ERROR_STR - 300) {
|
|
rest = NGX_MAX_ERROR_STR - 300;
|
|
p[rest++] = '.'; p[rest++] = '.'; p[rest++] = '.';
|
|
}
|
|
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent too long header name or value: \"%*s\"",
|
|
rest, p);
|
|
|
|
return NGX_DECLINED;
|
|
}
|
|
|
|
buf = ngx_create_temp_buf(r->pool, cscf->large_client_header_buffers.size);
|
|
if (buf == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"spdy large header alloc: %p %uz",
|
|
buf->pos, buf->end - buf->last);
|
|
|
|
old = r->header_in->pos;
|
|
new = buf->pos;
|
|
|
|
if (rest) {
|
|
buf->last = ngx_cpymem(new, old, rest);
|
|
}
|
|
|
|
r->header_in = buf;
|
|
|
|
stream->header_buffers++;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_handle_request_header(ngx_http_request_t *r)
|
|
{
|
|
ngx_uint_t i;
|
|
ngx_table_elt_t *h;
|
|
ngx_http_core_srv_conf_t *cscf;
|
|
ngx_http_spdy_request_header_t *sh;
|
|
|
|
if (r->invalid_header) {
|
|
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
|
|
|
|
if (cscf->ignore_invalid_headers) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent invalid header: \"%*s\"",
|
|
r->header_end - r->header_name_start,
|
|
r->header_name_start);
|
|
return NGX_OK;
|
|
}
|
|
|
|
}
|
|
|
|
if (r->header_name_start[0] == ':') {
|
|
r->header_name_start++;
|
|
|
|
for (i = 0; i < NGX_SPDY_REQUEST_HEADERS; i++) {
|
|
sh = &ngx_http_spdy_request_headers[i];
|
|
|
|
if (sh->hash != r->header_hash
|
|
|| sh->len != r->header_name_end - r->header_name_start
|
|
|| ngx_strncmp(sh->header, r->header_name_start, sh->len) != 0)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
return sh->handler(r);
|
|
}
|
|
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent invalid header name: \":%*s\"",
|
|
r->header_end - r->header_name_start,
|
|
r->header_name_start);
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
h = ngx_list_push(&r->headers_in.headers);
|
|
if (h == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
h->hash = r->header_hash;
|
|
|
|
h->key.len = r->header_name_end - r->header_name_start;
|
|
h->key.data = r->header_name_start;
|
|
|
|
h->value.len = r->header_end - r->header_start;
|
|
h->value.data = r->header_start;
|
|
|
|
h->lowcase_key = h->key.data;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
void
|
|
ngx_http_spdy_request_headers_init(void)
|
|
{
|
|
ngx_uint_t i;
|
|
ngx_http_spdy_request_header_t *h;
|
|
|
|
for (i = 0; i < NGX_SPDY_REQUEST_HEADERS; i++) {
|
|
h = &ngx_http_spdy_request_headers[i];
|
|
h->hash = ngx_hash_key(h->header, h->len);
|
|
}
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_parse_method(ngx_http_request_t *r)
|
|
{
|
|
size_t k, len;
|
|
ngx_uint_t n;
|
|
const u_char *p, *m;
|
|
|
|
/*
|
|
* This array takes less than 256 sequential bytes,
|
|
* and if typical CPU cache line size is 64 bytes,
|
|
* it is prefetched for 4 load operations.
|
|
*/
|
|
static const struct {
|
|
u_char len;
|
|
const u_char method[11];
|
|
uint32_t value;
|
|
} tests[] = {
|
|
{ 3, "GET", NGX_HTTP_GET },
|
|
{ 4, "POST", NGX_HTTP_POST },
|
|
{ 4, "HEAD", NGX_HTTP_HEAD },
|
|
{ 7, "OPTIONS", NGX_HTTP_OPTIONS },
|
|
{ 8, "PROPFIND", NGX_HTTP_PROPFIND },
|
|
{ 3, "PUT", NGX_HTTP_PUT },
|
|
{ 5, "MKCOL", NGX_HTTP_MKCOL },
|
|
{ 6, "DELETE", NGX_HTTP_DELETE },
|
|
{ 4, "COPY", NGX_HTTP_COPY },
|
|
{ 4, "MOVE", NGX_HTTP_MOVE },
|
|
{ 9, "PROPPATCH", NGX_HTTP_PROPPATCH },
|
|
{ 4, "LOCK", NGX_HTTP_LOCK },
|
|
{ 6, "UNLOCK", NGX_HTTP_UNLOCK },
|
|
{ 5, "PATCH", NGX_HTTP_PATCH },
|
|
{ 5, "TRACE", NGX_HTTP_TRACE }
|
|
}, *test;
|
|
|
|
if (r->method_name.len) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent duplicate :method header");
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
len = r->header_end - r->header_start;
|
|
|
|
r->method_name.len = len;
|
|
r->method_name.data = r->header_start;
|
|
|
|
test = tests;
|
|
n = sizeof(tests) / sizeof(tests[0]);
|
|
|
|
do {
|
|
if (len == test->len) {
|
|
p = r->method_name.data;
|
|
m = test->method;
|
|
k = len;
|
|
|
|
do {
|
|
if (*p++ != *m++) {
|
|
goto next;
|
|
}
|
|
} while (--k);
|
|
|
|
r->method = test->value;
|
|
return NGX_OK;
|
|
}
|
|
|
|
next:
|
|
test++;
|
|
|
|
} while (--n);
|
|
|
|
p = r->method_name.data;
|
|
|
|
do {
|
|
if ((*p < 'A' || *p > 'Z') && *p != '_') {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent invalid method: \"%V\"",
|
|
&r->method_name);
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
p++;
|
|
|
|
} while (--len);
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_parse_scheme(ngx_http_request_t *r)
|
|
{
|
|
if (r->schema_start) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent duplicate :schema header");
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
r->schema_start = r->header_start;
|
|
r->schema_end = r->header_end;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_parse_host(ngx_http_request_t *r)
|
|
{
|
|
ngx_table_elt_t *h;
|
|
|
|
if (r->headers_in.host) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent duplicate :host header");
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
h = ngx_list_push(&r->headers_in.headers);
|
|
if (h == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
r->headers_in.host = h;
|
|
|
|
h->hash = r->header_hash;
|
|
|
|
h->key.len = r->header_name_end - r->header_name_start;
|
|
h->key.data = r->header_name_start;
|
|
|
|
h->value.len = r->header_end - r->header_start;
|
|
h->value.data = r->header_start;
|
|
|
|
h->lowcase_key = h->key.data;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_parse_path(ngx_http_request_t *r)
|
|
{
|
|
if (r->unparsed_uri.len) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent duplicate :path header");
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
r->uri_start = r->header_start;
|
|
r->uri_end = r->header_end;
|
|
|
|
if (ngx_http_parse_uri(r) != NGX_OK) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent invalid URI: \"%*s\"",
|
|
r->uri_end - r->uri_start, r->uri_start);
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
if (ngx_http_process_request_uri(r) != NGX_OK) {
|
|
/*
|
|
* request has been finalized already
|
|
* in ngx_http_process_request_uri()
|
|
*/
|
|
return NGX_ABORT;
|
|
}
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_parse_version(ngx_http_request_t *r)
|
|
{
|
|
u_char *p, ch;
|
|
|
|
if (r->http_protocol.len) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent duplicate :version header");
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
p = r->header_start;
|
|
|
|
if (r->header_end - p < 8 || !(ngx_str5cmp(p, 'H', 'T', 'T', 'P', '/'))) {
|
|
goto invalid;
|
|
}
|
|
|
|
ch = *(p + 5);
|
|
|
|
if (ch < '1' || ch > '9') {
|
|
goto invalid;
|
|
}
|
|
|
|
r->http_major = ch - '0';
|
|
|
|
for (p += 6; p != r->header_end - 2; p++) {
|
|
|
|
ch = *p;
|
|
|
|
if (ch == '.') {
|
|
break;
|
|
}
|
|
|
|
if (ch < '0' || ch > '9') {
|
|
goto invalid;
|
|
}
|
|
|
|
r->http_major = r->http_major * 10 + ch - '0';
|
|
}
|
|
|
|
if (*p != '.') {
|
|
goto invalid;
|
|
}
|
|
|
|
ch = *(p + 1);
|
|
|
|
if (ch < '0' || ch > '9') {
|
|
goto invalid;
|
|
}
|
|
|
|
r->http_minor = ch - '0';
|
|
|
|
for (p += 2; p != r->header_end; p++) {
|
|
|
|
ch = *p;
|
|
|
|
if (ch < '0' || ch > '9') {
|
|
goto invalid;
|
|
}
|
|
|
|
r->http_minor = r->http_minor * 10 + ch - '0';
|
|
}
|
|
|
|
r->http_protocol.len = r->header_end - r->header_start;
|
|
r->http_protocol.data = r->header_start;
|
|
r->http_version = r->http_major * 1000 + r->http_minor;
|
|
|
|
return NGX_OK;
|
|
|
|
invalid:
|
|
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client sent invalid http version: \"%*s\"",
|
|
r->header_end - r->header_start, r->header_start);
|
|
|
|
return NGX_HTTP_PARSE_INVALID_HEADER;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_construct_request_line(ngx_http_request_t *r)
|
|
{
|
|
u_char *p;
|
|
|
|
if (r->method_name.len == 0
|
|
|| r->unparsed_uri.len == 0
|
|
|| r->http_protocol.len == 0)
|
|
{
|
|
ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
r->request_line.len = r->method_name.len + 1
|
|
+ r->unparsed_uri.len + 1
|
|
+ r->http_protocol.len;
|
|
|
|
p = ngx_pnalloc(r->pool, r->request_line.len + 1);
|
|
if (p == NULL) {
|
|
ngx_http_spdy_close_stream(r->spdy_stream,
|
|
NGX_HTTP_INTERNAL_SERVER_ERROR);
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
r->request_line.data = p;
|
|
|
|
p = ngx_cpymem(p, r->method_name.data, r->method_name.len);
|
|
|
|
*p++ = ' ';
|
|
|
|
p = ngx_cpymem(p, r->unparsed_uri.data, r->unparsed_uri.len);
|
|
|
|
*p++ = ' ';
|
|
|
|
ngx_memcpy(p, r->http_protocol.data, r->http_protocol.len + 1);
|
|
|
|
/* some modules expect the space character after method name */
|
|
r->method_name.data = r->request_line.data;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_run_request(ngx_http_request_t *r)
|
|
{
|
|
ngx_uint_t i;
|
|
ngx_list_part_t *part;
|
|
ngx_table_elt_t *h;
|
|
ngx_http_header_t *hh;
|
|
ngx_http_core_main_conf_t *cmcf;
|
|
|
|
if (ngx_http_spdy_construct_request_line(r) != NGX_OK) {
|
|
return;
|
|
}
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"spdy http request line: \"%V\"", &r->request_line);
|
|
|
|
cmcf = ngx_http_get_module_main_conf(r, ngx_http_core_module);
|
|
|
|
part = &r->headers_in.headers.part;
|
|
h = part->elts;
|
|
|
|
for (i = 0 ;; i++) {
|
|
|
|
if (i >= part->nelts) {
|
|
if (part->next == NULL) {
|
|
break;
|
|
}
|
|
|
|
part = part->next;
|
|
h = part->elts;
|
|
i = 0;
|
|
}
|
|
|
|
hh = ngx_hash_find(&cmcf->headers_in_hash, h[i].hash,
|
|
h[i].lowcase_key, h[i].key.len);
|
|
|
|
if (hh && hh->handler(r, &h[i], hh->offset) != NGX_OK) {
|
|
return;
|
|
}
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"spdy http header: \"%V: %V\"", &h[i].key, &h[i].value);
|
|
}
|
|
|
|
r->http_state = NGX_HTTP_PROCESS_REQUEST_STATE;
|
|
|
|
if (ngx_http_process_request_header(r) != NGX_OK) {
|
|
return;
|
|
}
|
|
|
|
if (r->headers_in.content_length_n > 0 && r->spdy_stream->in_closed) {
|
|
ngx_log_error(NGX_LOG_INFO, r->connection->log, 0,
|
|
"client prematurely closed stream");
|
|
|
|
r->spdy_stream->skip_data = NGX_SPDY_DATA_ERROR;
|
|
|
|
ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
|
|
return;
|
|
}
|
|
|
|
ngx_http_process_request(r);
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_init_request_body(ngx_http_request_t *r)
|
|
{
|
|
ngx_buf_t *buf;
|
|
ngx_temp_file_t *tf;
|
|
ngx_http_request_body_t *rb;
|
|
ngx_http_core_loc_conf_t *clcf;
|
|
|
|
rb = ngx_pcalloc(r->pool, sizeof(ngx_http_request_body_t));
|
|
if (rb == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
r->request_body = rb;
|
|
|
|
if (r->spdy_stream->in_closed) {
|
|
return NGX_OK;
|
|
}
|
|
|
|
rb->rest = r->headers_in.content_length_n;
|
|
|
|
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
|
|
|
|
if (r->request_body_in_file_only
|
|
|| rb->rest > (off_t) clcf->client_body_buffer_size
|
|
|| rb->rest < 0)
|
|
{
|
|
tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t));
|
|
if (tf == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
tf->file.fd = NGX_INVALID_FILE;
|
|
tf->file.log = r->connection->log;
|
|
tf->path = clcf->client_body_temp_path;
|
|
tf->pool = r->pool;
|
|
tf->warn = "a client request body is buffered to a temporary file";
|
|
tf->log_level = r->request_body_file_log_level;
|
|
tf->persistent = r->request_body_in_persistent_file;
|
|
tf->clean = r->request_body_in_clean_file;
|
|
|
|
if (r->request_body_file_group_access) {
|
|
tf->access = 0660;
|
|
}
|
|
|
|
rb->temp_file = tf;
|
|
|
|
if (r->spdy_stream->in_closed
|
|
&& ngx_create_temp_file(&tf->file, tf->path, tf->pool,
|
|
tf->persistent, tf->clean, tf->access)
|
|
!= NGX_OK)
|
|
{
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
buf = ngx_calloc_buf(r->pool);
|
|
if (buf == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
} else {
|
|
|
|
if (rb->rest == 0) {
|
|
return NGX_OK;
|
|
}
|
|
|
|
buf = ngx_create_temp_buf(r->pool, (size_t) rb->rest);
|
|
if (buf == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
}
|
|
|
|
rb->buf = buf;
|
|
|
|
rb->bufs = ngx_alloc_chain_link(r->pool);
|
|
if (rb->bufs == NULL) {
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
rb->bufs->buf = buf;
|
|
rb->bufs->next = NULL;
|
|
|
|
rb->rest = 0;
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
ngx_int_t
|
|
ngx_http_spdy_read_request_body(ngx_http_request_t *r,
|
|
ngx_http_client_body_handler_pt post_handler)
|
|
{
|
|
ngx_http_spdy_stream_t *stream;
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"spdy read request body");
|
|
|
|
stream = r->spdy_stream;
|
|
|
|
switch (stream->skip_data) {
|
|
|
|
case NGX_SPDY_DATA_DISCARD:
|
|
post_handler(r);
|
|
return NGX_OK;
|
|
|
|
case NGX_SPDY_DATA_ERROR:
|
|
if (r->headers_in.content_length_n == -1) {
|
|
return NGX_HTTP_REQUEST_ENTITY_TOO_LARGE;
|
|
} else {
|
|
return NGX_HTTP_BAD_REQUEST;
|
|
}
|
|
|
|
case NGX_SPDY_DATA_INTERNAL_ERROR:
|
|
return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
}
|
|
|
|
if (!r->request_body && ngx_http_spdy_init_request_body(r) != NGX_OK) {
|
|
stream->skip_data = NGX_SPDY_DATA_INTERNAL_ERROR;
|
|
return NGX_HTTP_INTERNAL_SERVER_ERROR;
|
|
}
|
|
|
|
if (stream->in_closed) {
|
|
post_handler(r);
|
|
return NGX_OK;
|
|
}
|
|
|
|
r->request_body->post_handler = post_handler;
|
|
|
|
r->read_event_handler = ngx_http_test_reading;
|
|
r->write_event_handler = ngx_http_request_empty_handler;
|
|
|
|
return NGX_AGAIN;
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_terminate_stream(ngx_http_spdy_connection_t *sc,
|
|
ngx_http_spdy_stream_t *stream, ngx_uint_t status)
|
|
{
|
|
ngx_event_t *rev;
|
|
ngx_connection_t *fc;
|
|
|
|
if (ngx_http_spdy_send_rst_stream(sc, stream->id, status,
|
|
NGX_SPDY_HIGHEST_PRIORITY)
|
|
== NGX_ERROR)
|
|
{
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
stream->out_closed = 1;
|
|
|
|
fc = stream->request->connection;
|
|
fc->error = 1;
|
|
|
|
rev = fc->read;
|
|
rev->handler(rev);
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_close_stream_handler(ngx_event_t *ev)
|
|
{
|
|
ngx_connection_t *fc;
|
|
ngx_http_request_t *r;
|
|
|
|
fc = ev->data;
|
|
r = fc->data;
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
"spdy close stream handler");
|
|
|
|
ngx_http_spdy_close_stream(r->spdy_stream, 0);
|
|
}
|
|
|
|
|
|
void
|
|
ngx_http_spdy_close_stream(ngx_http_spdy_stream_t *stream, ngx_int_t rc)
|
|
{
|
|
ngx_event_t *ev;
|
|
ngx_connection_t *fc;
|
|
ngx_http_spdy_stream_t **index, *s;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
ngx_http_spdy_connection_t *sc;
|
|
|
|
sc = stream->connection;
|
|
|
|
ngx_log_debug3(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy close stream %ui, queued %ui, processing %ui",
|
|
stream->id, stream->queued, sc->processing);
|
|
|
|
fc = stream->request->connection;
|
|
|
|
if (stream->queued) {
|
|
fc->write->handler = ngx_http_spdy_close_stream_handler;
|
|
return;
|
|
}
|
|
|
|
if (!stream->out_closed) {
|
|
if (ngx_http_spdy_send_rst_stream(sc, stream->id,
|
|
NGX_SPDY_INTERNAL_ERROR,
|
|
stream->priority)
|
|
!= NGX_OK)
|
|
{
|
|
sc->connection->error = 1;
|
|
}
|
|
}
|
|
|
|
if (sc->stream == stream) {
|
|
sc->stream = NULL;
|
|
}
|
|
|
|
sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_spdy_module);
|
|
|
|
index = sc->streams_index + ngx_http_spdy_stream_index(sscf, stream->id);
|
|
|
|
for ( ;; ) {
|
|
s = *index;
|
|
|
|
if (s == NULL) {
|
|
break;
|
|
}
|
|
|
|
if (s == stream) {
|
|
*index = s->index;
|
|
break;
|
|
}
|
|
|
|
index = &s->index;
|
|
}
|
|
|
|
ngx_http_free_request(stream->request, rc);
|
|
|
|
ev = fc->read;
|
|
|
|
if (ev->active || ev->disabled) {
|
|
ngx_log_error(NGX_LOG_ALERT, sc->connection->log, 0,
|
|
"fake read event was activated");
|
|
}
|
|
|
|
if (ev->timer_set) {
|
|
ngx_del_timer(ev);
|
|
}
|
|
|
|
if (ev->prev) {
|
|
ngx_delete_posted_event(ev);
|
|
}
|
|
|
|
ev = fc->write;
|
|
|
|
if (ev->active || ev->disabled) {
|
|
ngx_log_error(NGX_LOG_ALERT, sc->connection->log, 0,
|
|
"fake write event was activated");
|
|
}
|
|
|
|
if (ev->timer_set) {
|
|
ngx_del_timer(ev);
|
|
}
|
|
|
|
if (ev->prev) {
|
|
ngx_delete_posted_event(ev);
|
|
}
|
|
|
|
fc->data = sc->free_fake_connections;
|
|
sc->free_fake_connections = fc;
|
|
|
|
sc->processing--;
|
|
|
|
if (sc->processing || sc->blocked) {
|
|
return;
|
|
}
|
|
|
|
ev = sc->connection->read;
|
|
|
|
ev->handler = ngx_http_spdy_handle_connection_handler;
|
|
ngx_post_event(ev, &ngx_posted_events);
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_handle_connection_handler(ngx_event_t *rev)
|
|
{
|
|
ngx_connection_t *c;
|
|
|
|
rev->handler = ngx_http_spdy_read_handler;
|
|
|
|
if (rev->ready) {
|
|
ngx_http_spdy_read_handler(rev);
|
|
return;
|
|
}
|
|
|
|
c = rev->data;
|
|
|
|
ngx_http_spdy_handle_connection(c->data);
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_keepalive_handler(ngx_event_t *rev)
|
|
{
|
|
ngx_connection_t *c;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
ngx_http_spdy_connection_t *sc;
|
|
|
|
c = rev->data;
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "spdy keepalive handler");
|
|
|
|
if (rev->timedout || c->close) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
#if (NGX_HAVE_KQUEUE)
|
|
|
|
if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) {
|
|
if (rev->pending_eof) {
|
|
c->log->handler = NULL;
|
|
ngx_log_error(NGX_LOG_INFO, c->log, rev->kq_errno,
|
|
"kevent() reported that client %V closed "
|
|
"keepalive connection", &c->addr_text);
|
|
#if (NGX_HTTP_SSL)
|
|
if (c->ssl) {
|
|
c->ssl->no_send_shutdown = 1;
|
|
}
|
|
#endif
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
c->destroyed = 0;
|
|
c->idle = 0;
|
|
ngx_reusable_connection(c, 0);
|
|
|
|
sc = c->data;
|
|
|
|
sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_spdy_module);
|
|
|
|
sc->pool = ngx_create_pool(sscf->pool_size, sc->connection->log);
|
|
if (sc->pool == NULL) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
sc->streams_index = ngx_pcalloc(sc->pool,
|
|
ngx_http_spdy_streams_index_size(sscf)
|
|
* sizeof(ngx_http_spdy_stream_t *));
|
|
if (sc->streams_index == NULL) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
c->write->handler = ngx_http_spdy_write_handler;
|
|
|
|
rev->handler = ngx_http_spdy_read_handler;
|
|
ngx_http_spdy_read_handler(rev);
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_finalize_connection(ngx_http_spdy_connection_t *sc,
|
|
ngx_int_t rc)
|
|
{
|
|
ngx_uint_t i, size;
|
|
ngx_event_t *ev;
|
|
ngx_connection_t *c, *fc;
|
|
ngx_http_request_t *r;
|
|
ngx_http_spdy_stream_t *stream;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
|
|
c = sc->connection;
|
|
|
|
if (!sc->processing) {
|
|
ngx_http_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
c->error = 1;
|
|
c->read->handler = ngx_http_empty_handler;
|
|
c->write->handler = ngx_http_empty_handler;
|
|
|
|
sc->last_out = NULL;
|
|
|
|
sc->blocked = 1;
|
|
|
|
sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_spdy_module);
|
|
|
|
size = ngx_http_spdy_streams_index_size(sscf);
|
|
|
|
for (i = 0; i < size; i++) {
|
|
stream = sc->streams_index[i];
|
|
|
|
while (stream) {
|
|
stream->handled = 0;
|
|
|
|
r = stream->request;
|
|
fc = r->connection;
|
|
|
|
fc->error = 1;
|
|
|
|
if (stream->queued) {
|
|
stream->queued = 0;
|
|
|
|
ev = fc->write;
|
|
ev->delayed = 0;
|
|
|
|
} else {
|
|
ev = fc->read;
|
|
}
|
|
|
|
stream = stream->index;
|
|
|
|
ev->eof = 1;
|
|
ev->handler(ev);
|
|
}
|
|
}
|
|
|
|
sc->blocked = 0;
|
|
|
|
if (sc->processing) {
|
|
return;
|
|
}
|
|
|
|
ngx_http_close_connection(c);
|
|
}
|
|
|
|
|
|
static ngx_int_t
|
|
ngx_http_spdy_adjust_windows(ngx_http_spdy_connection_t *sc, ssize_t delta)
|
|
{
|
|
ngx_uint_t i, size;
|
|
ngx_event_t *wev;
|
|
ngx_http_spdy_stream_t *stream, *sn;
|
|
ngx_http_spdy_srv_conf_t *sscf;
|
|
|
|
sscf = ngx_http_get_module_srv_conf(sc->http_connection->conf_ctx,
|
|
ngx_http_spdy_module);
|
|
|
|
size = ngx_http_spdy_streams_index_size(sscf);
|
|
|
|
for (i = 0; i < size; i++) {
|
|
|
|
for (stream = sc->streams_index[i]; stream; stream = sn) {
|
|
sn = stream->index;
|
|
|
|
if (delta > 0
|
|
&& stream->send_window
|
|
> (ssize_t) (NGX_SPDY_MAX_WINDOW - delta))
|
|
{
|
|
if (ngx_http_spdy_terminate_stream(sc, stream,
|
|
NGX_SPDY_FLOW_CONTROL_ERROR)
|
|
== NGX_ERROR)
|
|
{
|
|
return NGX_ERROR;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
stream->send_window += delta;
|
|
|
|
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy:%ui adjust window:%z",
|
|
stream->id, stream->send_window);
|
|
|
|
if (stream->send_window > 0 && stream->exhausted) {
|
|
stream->exhausted = 0;
|
|
|
|
wev = stream->request->connection->write;
|
|
|
|
if (!wev->timer_set) {
|
|
wev->delayed = 0;
|
|
wev->handler(wev);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return NGX_OK;
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_pool_cleanup(void *data)
|
|
{
|
|
ngx_http_spdy_connection_t *sc = data;
|
|
|
|
if (sc->pool) {
|
|
ngx_destroy_pool(sc->pool);
|
|
}
|
|
}
|
|
|
|
|
|
static void *
|
|
ngx_http_spdy_zalloc(void *opaque, u_int items, u_int size)
|
|
{
|
|
ngx_http_spdy_connection_t *sc = opaque;
|
|
|
|
return ngx_palloc(sc->connection->pool, items * size);
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_http_spdy_zfree(void *opaque, void *address)
|
|
{
|
|
#if 0
|
|
ngx_http_spdy_connection_t *sc = opaque;
|
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, sc->connection->log, 0,
|
|
"spdy zfree: %p", address);
|
|
#endif
|
|
}
|