431 lines
14 KiB
C
431 lines
14 KiB
C
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "nghttp2_test_helper.h"
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#include <assert.h>
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#include <CUnit/CUnit.h>
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#include "nghttp2_helper.h"
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#include "nghttp2_priority_spec.h"
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int unpack_framebuf(nghttp2_frame *frame, nghttp2_bufs *bufs) {
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nghttp2_buf *buf;
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/* Assuming we have required data in first buffer. We don't decode
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header block so, we don't mind its space */
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buf = &bufs->head->buf;
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return unpack_frame(frame, buf->pos, nghttp2_buf_len(buf));
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}
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int unpack_frame(nghttp2_frame *frame, const uint8_t *in, size_t len) {
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int rv = 0;
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const uint8_t *payload = in + NGHTTP2_FRAME_HDLEN;
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size_t payloadlen = len - NGHTTP2_FRAME_HDLEN;
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size_t payloadoff;
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nghttp2_mem *mem;
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mem = nghttp2_mem_default();
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nghttp2_frame_unpack_frame_hd(&frame->hd, in);
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switch (frame->hd.type) {
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case NGHTTP2_HEADERS:
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payloadoff = ((frame->hd.flags & NGHTTP2_FLAG_PADDED) > 0);
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rv = nghttp2_frame_unpack_headers_payload(
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&frame->headers, payload + payloadoff, payloadlen - payloadoff);
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break;
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case NGHTTP2_PRIORITY:
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nghttp2_frame_unpack_priority_payload(&frame->priority, payload,
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payloadlen);
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break;
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case NGHTTP2_RST_STREAM:
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nghttp2_frame_unpack_rst_stream_payload(&frame->rst_stream, payload,
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payloadlen);
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break;
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case NGHTTP2_SETTINGS:
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rv = nghttp2_frame_unpack_settings_payload2(
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&frame->settings.iv, &frame->settings.niv, payload, payloadlen, mem);
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break;
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case NGHTTP2_PUSH_PROMISE:
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rv = nghttp2_frame_unpack_push_promise_payload(&frame->push_promise,
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payload, payloadlen);
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break;
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case NGHTTP2_PING:
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nghttp2_frame_unpack_ping_payload(&frame->ping, payload, payloadlen);
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break;
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case NGHTTP2_GOAWAY:
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nghttp2_frame_unpack_goaway_payload2(&frame->goaway, payload, payloadlen,
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mem);
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break;
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case NGHTTP2_WINDOW_UPDATE:
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nghttp2_frame_unpack_window_update_payload(&frame->window_update, payload,
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payloadlen);
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break;
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case NGHTTP2_ALTSVC:
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assert(payloadlen > 2);
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nghttp2_frame_unpack_altsvc_payload2(&frame->ext, payload, payloadlen, mem);
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break;
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default:
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/* Must not be reachable */
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assert(0);
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}
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return rv;
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}
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int strmemeq(const char *a, const uint8_t *b, size_t bn) {
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const uint8_t *c;
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if (!a || !b) {
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return 0;
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}
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c = b + bn;
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for (; *a && b != c && *a == *b; ++a, ++b)
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;
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return !*a && b == c;
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}
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int nvnameeq(const char *a, nghttp2_nv *nv) {
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return strmemeq(a, nv->name, nv->namelen);
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}
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int nvvalueeq(const char *a, nghttp2_nv *nv) {
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return strmemeq(a, nv->value, nv->valuelen);
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}
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void nva_out_init(nva_out *out) {
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memset(out->nva, 0, sizeof(out->nva));
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out->nvlen = 0;
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}
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void nva_out_reset(nva_out *out, nghttp2_mem *mem) {
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size_t i;
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for (i = 0; i < out->nvlen; ++i) {
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mem->free(out->nva[i].name, NULL);
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mem->free(out->nva[i].value, NULL);
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}
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memset(out->nva, 0, sizeof(out->nva));
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out->nvlen = 0;
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}
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void add_out(nva_out *out, nghttp2_nv *nv, nghttp2_mem *mem) {
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nghttp2_nv *onv = &out->nva[out->nvlen];
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if (nv->namelen) {
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onv->name = mem->malloc(nv->namelen, NULL);
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memcpy(onv->name, nv->name, nv->namelen);
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} else {
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onv->name = NULL;
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}
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if (nv->valuelen) {
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onv->value = mem->malloc(nv->valuelen, NULL);
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memcpy(onv->value, nv->value, nv->valuelen);
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} else {
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onv->value = NULL;
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}
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onv->namelen = nv->namelen;
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onv->valuelen = nv->valuelen;
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onv->flags = nv->flags;
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++out->nvlen;
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}
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ssize_t inflate_hd(nghttp2_hd_inflater *inflater, nva_out *out,
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nghttp2_bufs *bufs, size_t offset, nghttp2_mem *mem) {
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ssize_t rv;
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nghttp2_nv nv;
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int inflate_flags;
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nghttp2_buf_chain *ci;
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nghttp2_buf *buf;
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nghttp2_buf bp;
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int final;
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size_t processed;
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processed = 0;
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for (ci = bufs->head; ci; ci = ci->next) {
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buf = &ci->buf;
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final = nghttp2_buf_len(buf) == 0 || ci->next == NULL;
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bp = *buf;
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if (offset) {
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size_t n;
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n = nghttp2_min(offset, nghttp2_buf_len(&bp));
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bp.pos += n;
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offset -= n;
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}
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for (;;) {
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inflate_flags = 0;
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rv = nghttp2_hd_inflate_hd2(inflater, &nv, &inflate_flags, bp.pos,
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nghttp2_buf_len(&bp), final);
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if (rv < 0) {
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return rv;
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}
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bp.pos += rv;
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processed += (size_t)rv;
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if (inflate_flags & NGHTTP2_HD_INFLATE_EMIT) {
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if (out) {
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add_out(out, &nv, mem);
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}
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}
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if (inflate_flags & NGHTTP2_HD_INFLATE_FINAL) {
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break;
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}
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if ((inflate_flags & NGHTTP2_HD_INFLATE_EMIT) == 0 &&
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nghttp2_buf_len(&bp) == 0) {
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break;
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}
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}
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}
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nghttp2_hd_inflate_end_headers(inflater);
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return (ssize_t)processed;
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}
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int pack_headers(nghttp2_bufs *bufs, nghttp2_hd_deflater *deflater,
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int32_t stream_id, uint8_t flags, const nghttp2_nv *nva,
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size_t nvlen, nghttp2_mem *mem) {
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nghttp2_nv *dnva;
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nghttp2_frame frame;
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int rv;
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nghttp2_nv_array_copy(&dnva, nva, nvlen, mem);
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nghttp2_frame_headers_init(&frame.headers, flags, stream_id,
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NGHTTP2_HCAT_HEADERS, NULL, dnva, nvlen);
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rv = nghttp2_frame_pack_headers(bufs, &frame.headers, deflater);
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nghttp2_frame_headers_free(&frame.headers, mem);
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return rv;
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}
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int pack_push_promise(nghttp2_bufs *bufs, nghttp2_hd_deflater *deflater,
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int32_t stream_id, uint8_t flags,
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int32_t promised_stream_id, const nghttp2_nv *nva,
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size_t nvlen, nghttp2_mem *mem) {
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nghttp2_nv *dnva;
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nghttp2_frame frame;
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int rv;
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nghttp2_nv_array_copy(&dnva, nva, nvlen, mem);
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nghttp2_frame_push_promise_init(&frame.push_promise, flags, stream_id,
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promised_stream_id, dnva, nvlen);
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rv = nghttp2_frame_pack_push_promise(bufs, &frame.push_promise, deflater);
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nghttp2_frame_push_promise_free(&frame.push_promise, mem);
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return rv;
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}
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int frame_pack_bufs_init(nghttp2_bufs *bufs) {
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/* 1 for Pad Length */
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return nghttp2_bufs_init2(bufs, 4096, 16, NGHTTP2_FRAME_HDLEN + 1,
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nghttp2_mem_default());
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}
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void bufs_large_init(nghttp2_bufs *bufs, size_t chunk_size) {
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/* 1 for Pad Length */
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nghttp2_bufs_init2(bufs, chunk_size, 16, NGHTTP2_FRAME_HDLEN + 1,
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nghttp2_mem_default());
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}
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static nghttp2_stream *open_stream_with_all(nghttp2_session *session,
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int32_t stream_id, int32_t weight,
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uint8_t exclusive,
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nghttp2_stream *dep_stream) {
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nghttp2_priority_spec pri_spec;
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int32_t dep_stream_id;
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if (dep_stream) {
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dep_stream_id = dep_stream->stream_id;
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} else {
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dep_stream_id = 0;
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}
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nghttp2_priority_spec_init(&pri_spec, dep_stream_id, weight, exclusive);
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return nghttp2_session_open_stream(session, stream_id,
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NGHTTP2_STREAM_FLAG_NONE, &pri_spec,
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NGHTTP2_STREAM_OPENED, NULL);
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}
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nghttp2_stream *open_stream(nghttp2_session *session, int32_t stream_id) {
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return open_stream_with_all(session, stream_id, NGHTTP2_DEFAULT_WEIGHT, 0,
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NULL);
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}
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nghttp2_stream *open_stream_with_dep(nghttp2_session *session,
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int32_t stream_id,
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nghttp2_stream *dep_stream) {
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return open_stream_with_all(session, stream_id, NGHTTP2_DEFAULT_WEIGHT, 0,
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dep_stream);
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}
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nghttp2_stream *open_stream_with_dep_weight(nghttp2_session *session,
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int32_t stream_id, int32_t weight,
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nghttp2_stream *dep_stream) {
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return open_stream_with_all(session, stream_id, weight, 0, dep_stream);
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}
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nghttp2_stream *open_stream_with_dep_excl(nghttp2_session *session,
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int32_t stream_id,
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nghttp2_stream *dep_stream) {
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return open_stream_with_all(session, stream_id, NGHTTP2_DEFAULT_WEIGHT, 1,
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dep_stream);
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}
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nghttp2_outbound_item *create_data_ob_item(nghttp2_mem *mem) {
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nghttp2_outbound_item *item;
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item = mem->malloc(sizeof(nghttp2_outbound_item), NULL);
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memset(item, 0, sizeof(nghttp2_outbound_item));
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return item;
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}
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nghttp2_stream *open_sent_stream(nghttp2_session *session, int32_t stream_id) {
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nghttp2_priority_spec pri_spec;
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nghttp2_priority_spec_init(&pri_spec, 0, NGHTTP2_DEFAULT_WEIGHT, 0);
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return open_sent_stream3(session, stream_id, NGHTTP2_FLAG_NONE, &pri_spec,
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NGHTTP2_STREAM_OPENED, NULL);
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}
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nghttp2_stream *open_sent_stream2(nghttp2_session *session, int32_t stream_id,
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nghttp2_stream_state initial_state) {
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nghttp2_priority_spec pri_spec;
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nghttp2_priority_spec_init(&pri_spec, 0, NGHTTP2_DEFAULT_WEIGHT, 0);
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return open_sent_stream3(session, stream_id, NGHTTP2_FLAG_NONE, &pri_spec,
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initial_state, NULL);
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}
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nghttp2_stream *open_sent_stream3(nghttp2_session *session, int32_t stream_id,
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uint8_t flags,
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nghttp2_priority_spec *pri_spec_in,
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nghttp2_stream_state initial_state,
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void *stream_user_data) {
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nghttp2_stream *stream;
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assert(nghttp2_session_is_my_stream_id(session, stream_id));
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stream = nghttp2_session_open_stream(session, stream_id, flags, pri_spec_in,
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initial_state, stream_user_data);
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session->last_sent_stream_id =
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nghttp2_max(session->last_sent_stream_id, stream_id);
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session->next_stream_id =
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nghttp2_max(session->next_stream_id, (uint32_t)stream_id + 2);
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return stream;
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}
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nghttp2_stream *open_sent_stream_with_dep(nghttp2_session *session,
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int32_t stream_id,
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nghttp2_stream *dep_stream) {
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return open_sent_stream_with_dep_weight(session, stream_id,
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NGHTTP2_DEFAULT_WEIGHT, dep_stream);
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}
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nghttp2_stream *open_sent_stream_with_dep_weight(nghttp2_session *session,
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int32_t stream_id,
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int32_t weight,
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nghttp2_stream *dep_stream) {
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nghttp2_stream *stream;
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assert(nghttp2_session_is_my_stream_id(session, stream_id));
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stream = open_stream_with_all(session, stream_id, weight, 0, dep_stream);
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session->last_sent_stream_id =
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nghttp2_max(session->last_sent_stream_id, stream_id);
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session->next_stream_id =
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nghttp2_max(session->next_stream_id, (uint32_t)stream_id + 2);
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return stream;
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}
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nghttp2_stream *open_recv_stream(nghttp2_session *session, int32_t stream_id) {
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nghttp2_priority_spec pri_spec;
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nghttp2_priority_spec_init(&pri_spec, 0, NGHTTP2_DEFAULT_WEIGHT, 0);
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return open_recv_stream3(session, stream_id, NGHTTP2_FLAG_NONE, &pri_spec,
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NGHTTP2_STREAM_OPENED, NULL);
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}
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nghttp2_stream *open_recv_stream2(nghttp2_session *session, int32_t stream_id,
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nghttp2_stream_state initial_state) {
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nghttp2_priority_spec pri_spec;
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nghttp2_priority_spec_init(&pri_spec, 0, NGHTTP2_DEFAULT_WEIGHT, 0);
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return open_recv_stream3(session, stream_id, NGHTTP2_FLAG_NONE, &pri_spec,
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initial_state, NULL);
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}
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nghttp2_stream *open_recv_stream3(nghttp2_session *session, int32_t stream_id,
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uint8_t flags,
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nghttp2_priority_spec *pri_spec_in,
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nghttp2_stream_state initial_state,
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void *stream_user_data) {
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nghttp2_stream *stream;
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assert(!nghttp2_session_is_my_stream_id(session, stream_id));
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stream = nghttp2_session_open_stream(session, stream_id, flags, pri_spec_in,
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initial_state, stream_user_data);
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session->last_recv_stream_id =
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nghttp2_max(session->last_recv_stream_id, stream_id);
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return stream;
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}
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nghttp2_stream *open_recv_stream_with_dep(nghttp2_session *session,
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int32_t stream_id,
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nghttp2_stream *dep_stream) {
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return open_recv_stream_with_dep_weight(session, stream_id,
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NGHTTP2_DEFAULT_WEIGHT, dep_stream);
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}
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nghttp2_stream *open_recv_stream_with_dep_weight(nghttp2_session *session,
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int32_t stream_id,
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int32_t weight,
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nghttp2_stream *dep_stream) {
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nghttp2_stream *stream;
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assert(!nghttp2_session_is_my_stream_id(session, stream_id));
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stream = open_stream_with_all(session, stream_id, weight, 0, dep_stream);
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session->last_recv_stream_id =
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nghttp2_max(session->last_recv_stream_id, stream_id);
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return stream;
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}
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