/* * nghttp2 - HTTP/2 C Library * * Copyright (c) 2012 Tatsuhiro Tsujikawa * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "nghttp2_test_helper.h" #include #include #include "nghttp2_helper.h" #include "nghttp2_priority_spec.h" int unpack_framebuf(nghttp2_frame *frame, nghttp2_bufs *bufs) { nghttp2_buf *buf; /* Assuming we have required data in first buffer. We don't decode header block so, we don't mind its space */ buf = &bufs->head->buf; return unpack_frame(frame, buf->pos, nghttp2_buf_len(buf)); } int unpack_frame(nghttp2_frame *frame, const uint8_t *in, size_t len) { ssize_t rv = 0; const uint8_t *payload = in + NGHTTP2_FRAME_HDLEN; size_t payloadlen = len - NGHTTP2_FRAME_HDLEN; size_t payloadoff; uint8_t *gift_payload; size_t gift_payloadlen; nghttp2_frame_unpack_frame_hd(&frame->hd, in); switch(frame->hd.type) { case NGHTTP2_HEADERS: payloadoff = ((frame->hd.flags & NGHTTP2_FLAG_PADDED) > 0); rv = nghttp2_frame_unpack_headers_payload (&frame->headers, payload + payloadoff, payloadlen - payloadoff); break; case NGHTTP2_PRIORITY: nghttp2_frame_unpack_priority_payload (&frame->priority, payload, payloadlen); break; case NGHTTP2_RST_STREAM: nghttp2_frame_unpack_rst_stream_payload (&frame->rst_stream, payload, payloadlen); break; case NGHTTP2_SETTINGS: rv = nghttp2_frame_unpack_settings_payload2(&frame->settings.iv, &frame->settings.niv, payload, payloadlen); break; case NGHTTP2_PUSH_PROMISE: rv = nghttp2_frame_unpack_push_promise_payload (&frame->push_promise, payload, payloadlen); break; case NGHTTP2_PING: nghttp2_frame_unpack_ping_payload (&frame->ping, payload, payloadlen); break; case NGHTTP2_GOAWAY: nghttp2_frame_unpack_goaway_payload2 (&frame->goaway, payload, payloadlen); break; case NGHTTP2_WINDOW_UPDATE: nghttp2_frame_unpack_window_update_payload (&frame->window_update, payload, payloadlen); break; case NGHTTP2_EXT_ALTSVC: gift_payloadlen = payloadlen - NGHTTP2_ALTSVC_FIXED_PARTLEN; gift_payload = malloc(gift_payloadlen); memcpy(gift_payload, payload + NGHTTP2_ALTSVC_FIXED_PARTLEN, gift_payloadlen); payloadlen -= NGHTTP2_ALTSVC_FIXED_PARTLEN; rv = nghttp2_frame_unpack_altsvc_payload(&frame->ext, payload, payloadlen, gift_payload, gift_payloadlen); break; default: /* Must not be reachable */ assert(0); } return rv; } int strmemeq(const char *a, const uint8_t *b, size_t bn) { const uint8_t *c; if(!a || !b) { return 0; } c = b + bn; for(; *a && b != c && *a == *b; ++a, ++b); return !*a && b == c; } int nvnameeq(const char *a, nghttp2_nv *nv) { return strmemeq(a, nv->name, nv->namelen); } int nvvalueeq(const char *a, nghttp2_nv *nv) { return strmemeq(a, nv->value, nv->valuelen); } void nva_out_init(nva_out *out) { memset(out->nva, 0, sizeof(out->nva)); out->nvlen = 0; } void nva_out_reset(nva_out *out) { size_t i; for(i = 0; i < out->nvlen; ++i) { free(out->nva[i].name); free(out->nva[i].value); } memset(out->nva, 0, sizeof(out->nva)); out->nvlen = 0; } void add_out(nva_out *out, nghttp2_nv *nv) { nghttp2_nv *onv = &out->nva[out->nvlen]; if(nv->namelen) { onv->name = malloc(nv->namelen); memcpy(onv->name, nv->name, nv->namelen); } else { onv->name = NULL; } if(nv->valuelen) { onv->value = malloc(nv->valuelen); memcpy(onv->value, nv->value, nv->valuelen); } else { onv->value = NULL; } onv->namelen = nv->namelen; onv->valuelen = nv->valuelen; onv->flags = nv->flags; ++out->nvlen; } ssize_t inflate_hd(nghttp2_hd_inflater *inflater, nva_out *out, nghttp2_bufs *bufs, size_t offset) { ssize_t rv; nghttp2_nv nv; int inflate_flags; nghttp2_buf_chain *ci; nghttp2_buf *buf; nghttp2_buf bp; int final; size_t processed; processed = 0; for(ci = bufs->head; ci; ci = ci->next) { buf = &ci->buf; final = nghttp2_buf_len(buf) == 0 || ci->next == NULL; bp = *buf; if(offset) { int n; n = nghttp2_min((ssize_t)offset, nghttp2_buf_len(&bp)); bp.pos += n; offset -= n; } for(;;) { inflate_flags = 0; rv = nghttp2_hd_inflate_hd(inflater, &nv, &inflate_flags, bp.pos, nghttp2_buf_len(&bp), final); if(rv < 0) { return rv; } bp.pos += rv; processed += rv; if(inflate_flags & NGHTTP2_HD_INFLATE_EMIT) { if(out) { add_out(out, &nv); } } if(inflate_flags & NGHTTP2_HD_INFLATE_FINAL) { break; } } } nghttp2_hd_inflate_end_headers(inflater); return processed; } int frame_pack_bufs_init(nghttp2_bufs *bufs) { /* 1 for Pad Length */ return nghttp2_bufs_init2(bufs, 4096, 16, NGHTTP2_FRAME_HDLEN + 1); } void bufs_large_init(nghttp2_bufs *bufs, size_t chunk_size) { /* 1 for Pad Length */ nghttp2_bufs_init2(bufs, chunk_size, 16, NGHTTP2_FRAME_HDLEN + 1); } static nghttp2_stream* open_stream_with_all(nghttp2_session *session, int32_t stream_id, int32_t weight, uint8_t exclusive, nghttp2_stream *dep_stream) { nghttp2_priority_spec pri_spec; int32_t dep_stream_id; if(dep_stream) { dep_stream_id = dep_stream->stream_id; } else { dep_stream_id = 0; } nghttp2_priority_spec_init(&pri_spec, dep_stream_id, weight, exclusive); return nghttp2_session_open_stream(session, stream_id, NGHTTP2_STREAM_FLAG_NONE, &pri_spec, NGHTTP2_STREAM_OPENED, NULL); } nghttp2_stream* open_stream(nghttp2_session *session, int32_t stream_id) { return open_stream_with_all(session, stream_id, NGHTTP2_DEFAULT_WEIGHT, 0, NULL); } nghttp2_stream* open_stream_with_dep(nghttp2_session *session, int32_t stream_id, nghttp2_stream *dep_stream) { return open_stream_with_all(session, stream_id, NGHTTP2_DEFAULT_WEIGHT, 0, dep_stream); } nghttp2_stream* open_stream_with_dep_weight(nghttp2_session *session, int32_t stream_id, int32_t weight, nghttp2_stream *dep_stream) { return open_stream_with_all(session, stream_id, weight, 0, dep_stream); } nghttp2_stream* open_stream_with_dep_excl(nghttp2_session *session, int32_t stream_id, nghttp2_stream *dep_stream) { return open_stream_with_all(session, stream_id, NGHTTP2_DEFAULT_WEIGHT, 1, dep_stream); } nghttp2_outbound_item* create_data_ob_item(void) { nghttp2_outbound_item *item; item = malloc(sizeof(nghttp2_outbound_item)); memset(item, 0, sizeof(nghttp2_outbound_item)); item->frame_cat = NGHTTP2_CAT_DATA; return item; }