diff options
Diffstat (limited to '')
| -rw-r--r-- | src/http/ngx_http_spdy.c | 3701 |
1 files changed, 0 insertions, 3701 deletions
diff --git a/src/http/ngx_http_spdy.c b/src/http/ngx_http_spdy.c deleted file mode 100644 index 21c5217ca..000000000 --- a/src/http/ngx_http_spdy.c +++ /dev/null @@ -1,3701 +0,0 @@ - -/* - * Copyright (C) Nginx, Inc. - * Copyright (C) Valentin V. Bartenev - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> -#include <ngx_http_spdy_module.h> - -#include <zlib.h> - - -#if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) - -#define ngx_str5cmp(m, c0, c1, c2, c3, c4) \ - *(uint32_t *) m == (c3 << 24 | c2 << 16 | c1 << 8 | c0) \ - && m[4] == c4 - -#else - -#define ngx_str5cmp(m, c0, c1, c2, c3, c4) \ - m[0] == c0 && m[1] == c1 && m[2] == c2 && m[3] == c3 && m[4] == c4 - -#endif - - -#if (NGX_HAVE_NONALIGNED) - -#define ngx_spdy_frame_parse_uint16(p) ntohs(*(uint16_t *) (p)) -#define ngx_spdy_frame_parse_uint32(p) ntohl(*(uint32_t *) (p)) - -#else - -#define ngx_spdy_frame_parse_uint16(p) ((p)[0] << 8 | (p)[1]) -#define ngx_spdy_frame_parse_uint32(p) \ - ((p)[0] << 24 | (p)[1] << 16 | (p)[2] << 8 | (p)[3]) - -#endif - -#define ngx_spdy_frame_parse_sid(p) \ - (ngx_spdy_frame_parse_uint32(p) & 0x7fffffff) -#define ngx_spdy_frame_parse_delta(p) \ - (ngx_spdy_frame_parse_uint32(p) & 0x7fffffff) - - -#define ngx_spdy_ctl_frame_check(h) \ - (((h) & 0xffff0000) == ngx_spdy_ctl_frame_head(0)) -#define ngx_spdy_data_frame_check(h) \ - (!((h) & (uint32_t) NGX_SPDY_CTL_BIT << 31)) - -#define ngx_spdy_ctl_frame_type(h) ((h) & 0x0000ffff) -#define ngx_spdy_frame_flags(p) ((p) >> 24) -#define ngx_spdy_frame_length(p) ((p) & 0x00ffffff) -#define ngx_spdy_frame_id(p) ((p) & 0x00ffffff) - - -#define NGX_SPDY_SKIP_HEADERS_BUFFER_SIZE 4096 -#define NGX_SPDY_CTL_FRAME_BUFFER_SIZE 16 - -#define NGX_SPDY_PROTOCOL_ERROR 1 -#define NGX_SPDY_INVALID_STREAM 2 -#define NGX_SPDY_REFUSED_STREAM 3 -#define NGX_SPDY_UNSUPPORTED_VERSION 4 -#define NGX_SPDY_CANCEL 5 -#define NGX_SPDY_INTERNAL_ERROR 6 -#define NGX_SPDY_FLOW_CONTROL_ERROR 7 -#define NGX_SPDY_STREAM_IN_USE 8 -#define NGX_SPDY_STREAM_ALREADY_CLOSED 9 -/* deprecated 10 */ -#define NGX_SPDY_FRAME_TOO_LARGE 11 - -#define NGX_SPDY_SETTINGS_MAX_STREAMS 4 -#define NGX_SPDY_SETTINGS_INIT_WINDOW 7 - -#define NGX_SPDY_SETTINGS_FLAG_PERSIST 0x01 -#define NGX_SPDY_SETTINGS_FLAG_PERSISTED 0x02 - -#define NGX_SPDY_MAX_WINDOW NGX_MAX_INT32_VALUE -#define NGX_SPDY_CONNECTION_WINDOW 65536 -#define NGX_SPDY_INIT_STREAM_WINDOW 65536 -#define NGX_SPDY_STREAM_WINDOW NGX_SPDY_MAX_WINDOW - -typedef struct { - ngx_uint_t hash; - u_char len; - u_char header[7]; - ngx_int_t (*handler)(ngx_http_request_t *r); -} ngx_http_spdy_request_header_t; - - -static void ngx_http_spdy_read_handler(ngx_event_t *rev); -static void ngx_http_spdy_write_handler(ngx_event_t *wev); -static void ngx_http_spdy_handle_connection(ngx_http_spdy_connection_t *sc); - -static u_char *ngx_http_spdy_proxy_protocol(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_head(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_syn_stream(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_headers(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_headers_skip(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_headers_error(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_window_update(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_data(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_read_data(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_rst_stream(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_ping(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_skip(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_settings(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -static u_char *ngx_http_spdy_state_complete(ngx_http_spdy_connection_t *sc, - u_char *pos, u_char *end); -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); - -static u_char *ngx_http_spdy_state_inflate_error( - ngx_http_spdy_connection_t *sc, int rc); -static u_char *ngx_http_spdy_state_protocol_error( - ngx_http_spdy_connection_t *sc); -static u_char *ngx_http_spdy_state_internal_error( - ngx_http_spdy_connection_t *sc); - -static ngx_int_t ngx_http_spdy_send_window_update( - ngx_http_spdy_connection_t *sc, ngx_uint_t sid, ngx_uint_t delta); -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); -static ngx_int_t ngx_http_spdy_send_settings(ngx_http_spdy_connection_t *sc); -static ngx_int_t ngx_http_spdy_settings_frame_handler( - ngx_http_spdy_connection_t *sc, ngx_http_spdy_out_frame_t *frame); -static ngx_http_spdy_out_frame_t *ngx_http_spdy_get_ctl_frame( - ngx_http_spdy_connection_t *sc, size_t size, ngx_uint_t priority); -static ngx_int_t ngx_http_spdy_ctl_frame_handler( - ngx_http_spdy_connection_t *sc, ngx_http_spdy_out_frame_t *frame); - -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); -static ngx_http_spdy_stream_t *ngx_http_spdy_get_stream_by_id( - ngx_http_spdy_connection_t *sc, ngx_uint_t sid); -#define ngx_http_spdy_streams_index_size(sscf) (sscf->streams_index_mask + 1) -#define ngx_http_spdy_stream_index(sscf, sid) \ - ((sid >> 1) & sscf->streams_index_mask) - -static ngx_int_t ngx_http_spdy_parse_header(ngx_http_request_t *r); -static ngx_int_t ngx_http_spdy_alloc_large_header_buffer(ngx_http_request_t *r); - -static ngx_int_t ngx_http_spdy_handle_request_header(ngx_http_request_t *r); -static ngx_int_t ngx_http_spdy_parse_method(ngx_http_request_t *r); -static ngx_int_t ngx_http_spdy_parse_scheme(ngx_http_request_t *r); -static ngx_int_t ngx_http_spdy_parse_host(ngx_http_request_t *r); -static ngx_int_t ngx_http_spdy_parse_path(ngx_http_request_t *r); -static ngx_int_t ngx_http_spdy_parse_version(ngx_http_request_t *r); - -static ngx_int_t ngx_http_spdy_construct_request_line(ngx_http_request_t *r); -static void ngx_http_spdy_run_request(ngx_http_request_t *r); -static ngx_int_t ngx_http_spdy_init_request_body(ngx_http_request_t *r); - -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); - -static void ngx_http_spdy_close_stream_handler(ngx_event_t *ev); - -static void ngx_http_spdy_handle_connection_handler(ngx_event_t *rev); -static void ngx_http_spdy_keepalive_handler(ngx_event_t *rev); -static void ngx_http_spdy_finalize_connection(ngx_http_spdy_connection_t *sc, - ngx_int_t rc); - -static ngx_int_t ngx_http_spdy_adjust_windows(ngx_http_spdy_connection_t *sc, - ssize_t delta); - -static void ngx_http_spdy_pool_cleanup(void *data); - -static void *ngx_http_spdy_zalloc(void *opaque, u_int items, u_int size); -static void ngx_http_spdy_zfree(void *opaque, void *address); - - -static const u_char ngx_http_spdy_dict[] = { - 0x00, 0x00, 0x00, 0x07, 0x6f, 0x70, 0x74, 0x69, /* - - - - o p t i */ - 0x6f, 0x6e, 0x73, 0x00, 0x00, 0x00, 0x04, 0x68, /* o n s - - - - h */ - 0x65, 0x61, 0x64, 0x00, 0x00, 0x00, 0x04, 0x70, /* e a d - - - - p */ - 0x6f, 0x73, 0x74, 0x00, 0x00, 0x00, 0x03, 0x70, /* o s t - - - - p */ - 0x75, 0x74, 0x00, 0x00, 0x00, 0x06, 0x64, 0x65, /* u t - - - - d e */ - 0x6c, 0x65, 0x74, 0x65, 0x00, 0x00, 0x00, 0x05, /* l e t e - - - - */ - 0x74, 0x72, 0x61, 0x63, 0x65, 0x00, 0x00, 0x00, /* t r a c e - - - */ - 0x06, 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x00, /* - a c c e p t - */ - 0x00, 0x00, 0x0e, 0x61, 0x63, 0x63, 0x65, 0x70, /* - - - a c c e p */ - 0x74, 0x2d, 0x63, 0x68, 0x61, 0x72, 0x73, 0x65, /* t - c h a r s e */ - 0x74, 0x00, 0x00, 0x00, 0x0f, 0x61, 0x63, 0x63, /* t - - - - a c c */ - 0x65, 0x70, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, /* e p t - e n c o */ - 0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x0f, /* d i n g - - - - */ - 0x61, 0x63, 0x63, 0x65, 0x70, 0x74, 0x2d, 0x6c, /* a c c e p t - l */ - 0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, 0x00, /* a n g u a g e - */ - 0x00, 0x00, 0x0d, 0x61, 0x63, 0x63, 0x65, 0x70, /* - - - a c c e p */ - 0x74, 0x2d, 0x72, 0x61, 0x6e, 0x67, 0x65, 0x73, /* t - r a n g e s */ - 0x00, 0x00, 0x00, 0x03, 0x61, 0x67, 0x65, 0x00, /* - - - - a g e - */ - 0x00, 0x00, 0x05, 0x61, 0x6c, 0x6c, 0x6f, 0x77, /* - - - a l l o w */ - 0x00, 0x00, 0x00, 0x0d, 0x61, 0x75, 0x74, 0x68, /* - - - - a u t h */ - 0x6f, 0x72, 0x69, 0x7a, 0x61, 0x74, 0x69, 0x6f, /* o r i z a t i o */ - 0x6e, 0x00, 0x00, 0x00, 0x0d, 0x63, 0x61, 0x63, /* n - - - - c a c */ - 0x68, 0x65, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, /* h e - c o n t r */ - 0x6f, 0x6c, 0x00, 0x00, 0x00, 0x0a, 0x63, 0x6f, /* o l - - - - c o */ - 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x69, 0x6f, 0x6e, /* n n e c t i o n */ - 0x00, 0x00, 0x00, 0x0c, 0x63, 0x6f, 0x6e, 0x74, /* - - - - c o n t */ - 0x65, 0x6e, 0x74, 0x2d, 0x62, 0x61, 0x73, 0x65, /* e n t - b a s e */ - 0x00, 0x00, 0x00, 0x10, 0x63, 0x6f, 0x6e, 0x74, /* - - - - c o n t */ - 0x65, 0x6e, 0x74, 0x2d, 0x65, 0x6e, 0x63, 0x6f, /* e n t - e n c o */ - 0x64, 0x69, 0x6e, 0x67, 0x00, 0x00, 0x00, 0x10, /* d i n g - - - - */ - 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, /* c o n t e n t - */ - 0x6c, 0x61, 0x6e, 0x67, 0x75, 0x61, 0x67, 0x65, /* l a n g u a g e */ - 0x00, 0x00, 0x00, 0x0e, 0x63, 0x6f, 0x6e, 0x74, /* - - - - c o n t */ - 0x65, 0x6e, 0x74, 0x2d, 0x6c, 0x65, 0x6e, 0x67, /* e n t - l e n g */ - 0x74, 0x68, 0x00, 0x00, 0x00, 0x10, 0x63, 0x6f, /* t h - - - - c o */ - 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x2d, 0x6c, 0x6f, /* n t e n t - l o */ - 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, /* c a t i o n - - */ - 0x00, 0x0b, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, /* - - c o n t e n */ - 0x74, 0x2d, 0x6d, 0x64, 0x35, 0x00, 0x00, 0x00, /* t - m d 5 - - - */ - 0x0d, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, /* - c o n t e n t */ - 0x2d, 0x72, 0x61, 0x6e, 0x67, 0x65, 0x00, 0x00, /* - r a n g e - - */ - 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 */ - 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 */ - 0x2d, 0x6d, 0x6f, 0x64, 0x69, 0x66, 0x69, 0x65, /* - m o d i f i e */ - 0x64, 0x00, 0x00, 0x00, 0x08, 0x6c, 0x6f, 0x63, /* d - - - - l o c */ - 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x00, 0x00, /* a t i o n - - - */ - 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 - - - */ - 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 - - - */ - 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) -{ - int tcp_nodelay; - 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) { - goto 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) { - goto error; - } - - if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) { - if (ngx_tcp_push(c->fd) == -1) { - ngx_connection_error(c, ngx_socket_errno, ngx_tcp_push_n " failed"); - goto error; - } - - c->tcp_nopush = NGX_TCP_NOPUSH_UNSET; - tcp_nodelay = ngx_tcp_nodelay_and_tcp_nopush ? 1 : 0; - - } else { - tcp_nodelay = 1; - } - - if (tcp_nodelay - && clcf->tcp_nodelay - && c->tcp_nodelay == NGX_TCP_NODELAY_UNSET) - { - ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "tcp_nodelay"); - - if (setsockopt(c->fd, IPPROTO_TCP, TCP_NODELAY, - (const void *) &tcp_nodelay, sizeof(int)) - == -1) - { -#if (NGX_SOLARIS) - /* Solaris returns EINVAL if a socket has been shut down */ - c->log_error = NGX_ERROR_IGNORE_EINVAL; -#endif - - ngx_connection_error(c, ngx_socket_errno, - "setsockopt(TCP_NODELAY) failed"); - - c->log_error = NGX_ERROR_INFO; - goto error; - } - - c->tcp_nodelay = NGX_TCP_NODELAY_SET; - } - - 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; - -error: - - c->error = 1; - - if (!sc->blocked) { - ngx_post_event(wev, &ngx_posted_events); - } - - return NGX_ERROR; -} - - -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_read(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; - } - - 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); - - 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; - - 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); - - 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); - - 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); - - ngx_log_debug5(NGX_LOG_DEBUG_HTTP, sc->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, - n); - - 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:%uz", 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; - - r->state = sw_value; - - 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; - - /* - * One more byte is needed for null-termination - * and another one for further progress. - */ - if (rest > cscf->large_client_header_buffers.size - 2) { - p = r->header_in->pos; - - if (rest > NGX_MAX_ERROR_STR - 300) { - rest = NGX_MAX_ERROR_STR - 300; - } - - 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->posted) { - 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->posted) { - 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 -} |