645 lines
19 KiB
C
645 lines
19 KiB
C
/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc. See LICENSE. */
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#include <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef WIN32
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#include <sys/time.h>
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#endif
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#include <sys/queue.h>
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#include "lsquic.h"
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#include "lshpack.h"
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#include "lsquic_mm.h"
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#include "lsquic_int_types.h"
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#include "lsquic_hash.h"
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#include "lsquic_conn.h"
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#include "lsquic_frame_common.h"
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#include "lsquic_frame_writer.h"
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#if LSQUIC_CONN_STATS
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#include "lsquic_int_types.h"
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#include "lsquic_conn.h"
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#endif
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#if LSQUIC_CONN_STATS
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static struct conn_stats s_conn_stats;
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#endif
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static struct {
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size_t sz;
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size_t max;
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unsigned char buf[0x1000];
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} output;
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#define reset_output(max_) do { \
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output.sz = 0; \
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if (max_) \
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output.max = max_; \
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else \
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output.max = sizeof(output.buf);\
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} while (0)
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static ssize_t
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output_write (struct lsquic_stream *stream, struct lsquic_reader *reader)
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{
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size_t sz;
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sz = reader->lsqr_size(reader->lsqr_ctx);
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if (output.max - output.sz < sz)
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{
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errno = ENOBUFS;
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return -1;
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}
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sz = reader->lsqr_read(reader->lsqr_ctx, output.buf + output.sz, sz);
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output.sz += sz;
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return sz;
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}
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#define IOV(v) { .iov_base = (v), .iov_len = sizeof(v) - 1, }
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#define XHDR(name_, value_) .buf = name_ value_, .name_offset = 0, .name_len = sizeof(name_) - 1, .val_offset = sizeof(name_) - 1, .val_len = sizeof(value_) - 1,
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static void
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test_max_frame_size (void)
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{
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struct lshpack_enc henc;
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struct lsquic_mm mm;
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struct lsquic_frame_writer *fw;
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unsigned max_size;
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lshpack_enc_init(&henc);
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lsquic_mm_init(&mm);
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for (max_size = 1; max_size < 6 /* one settings frame */; ++max_size)
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{
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fw = lsquic_frame_writer_new(&mm, NULL, max_size, &henc,
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output_write,
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#if LSQUIC_CONN_STATS
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&s_conn_stats,
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#endif
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0);
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assert(!fw);
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}
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fw = lsquic_frame_writer_new(&mm, NULL, max_size, &henc, output_write,
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#if LSQUIC_CONN_STATS
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&s_conn_stats,
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#endif
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0);
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assert(fw);
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lsquic_frame_writer_destroy(fw);
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lshpack_enc_cleanup(&henc);
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lsquic_mm_cleanup(&mm);
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}
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static void
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test_one_header (void)
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{
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struct lshpack_enc henc;
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struct lsquic_frame_writer *fw;
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int s;
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struct lsquic_mm mm;
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lshpack_enc_init(&henc);
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lsquic_mm_init(&mm);
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fw = lsquic_frame_writer_new(&mm, NULL, 0x200, &henc, output_write,
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#if LSQUIC_CONN_STATS
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&s_conn_stats,
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#endif
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0);
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reset_output(0);
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struct lsxpack_header header_arr[] =
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{
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{ XHDR(":status", "302") },
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};
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struct lsquic_http_headers headers = {
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.count = 1,
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.headers = header_arr,
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};
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s = lsquic_frame_writer_write_headers(fw, 12345, &headers, 0, 100);
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assert(0 == s);
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struct http_frame_header fh;
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struct http_prio_frame prio_frame;
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assert(4 + sizeof(struct http_frame_header) + sizeof(struct http_prio_frame) == output.sz);
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memcpy(&fh, output.buf, sizeof(fh));
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assert(4 + sizeof(struct http_prio_frame) == hfh_get_length(&fh));
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assert(HTTP_FRAME_HEADERS == fh.hfh_type);
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assert((HFHF_END_HEADERS|HFHF_PRIORITY) == fh.hfh_flags);
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assert(fh.hfh_stream_id[0] == 0);
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assert(fh.hfh_stream_id[1] == 0);
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assert(fh.hfh_stream_id[2] == 0x30);
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assert(fh.hfh_stream_id[3] == 0x39);
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memcpy(&prio_frame, output.buf + sizeof(struct http_frame_header),
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sizeof(struct http_prio_frame));
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assert(prio_frame.hpf_stream_id[0] == 0);
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assert(prio_frame.hpf_stream_id[1] == 0);
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assert(prio_frame.hpf_stream_id[2] == 0);
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assert(prio_frame.hpf_stream_id[3] == 0);
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assert(prio_frame.hpf_weight == 100 - 1);
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assert(0 == memcmp(output.buf + sizeof(struct http_frame_header) +
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sizeof(struct http_prio_frame), "\x48\x82\x64\x02", 4));
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lsquic_frame_writer_destroy(fw);
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lshpack_enc_cleanup(&henc);
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lsquic_mm_cleanup(&mm);
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}
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struct header_buf
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{
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unsigned off;
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char buf[UINT16_MAX];
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};
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int
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header_set_ptr (struct lsxpack_header *hdr, struct header_buf *header_buf,
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const char *name, size_t name_len,
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const char *val, size_t val_len)
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{
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if (header_buf->off + name_len + val_len <= sizeof(header_buf->buf))
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{
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memcpy(header_buf->buf + header_buf->off, name, name_len);
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memcpy(header_buf->buf + header_buf->off + name_len, val, val_len);
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lsxpack_header_set_offset2(hdr, header_buf->buf + header_buf->off,
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0, name_len, name_len, val_len);
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header_buf->off += name_len + val_len;
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return 0;
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}
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else
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return -1;
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}
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static void
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test_oversize_header (void)
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{
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struct lshpack_enc henc;
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struct lsquic_frame_writer *fw;
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int s;
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struct lsquic_mm mm;
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const size_t big_len = LSXPACK_MAX_STRLEN - 20;
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char *value;
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struct header_buf hbuf;
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lshpack_enc_init(&henc);
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lsquic_mm_init(&mm);
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fw = lsquic_frame_writer_new(&mm, NULL, 0x200, &henc, output_write,
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#if LSQUIC_CONN_STATS
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&s_conn_stats,
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#endif
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0);
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lsquic_frame_writer_max_header_list_size(fw, 1 << 16);
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reset_output(0);
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value = malloc(big_len);
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memset(value, 'A', big_len);
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struct lsxpack_header header_arr[3] =
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{
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{ XHDR(":status", "302") },
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};
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hbuf.off = 0;
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header_set_ptr(&header_arr[1], &hbuf, "some-header", 10, value, big_len);
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header_set_ptr(&header_arr[2], &hbuf, "another-header", 10, value, big_len);
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struct lsquic_http_headers headers = {
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.count = sizeof(header_arr) / sizeof(header_arr[0]),
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.headers = header_arr,
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};
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s = lsquic_frame_writer_write_headers(fw, 12345, &headers, 0, 100);
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assert(-1 == s);
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lsquic_frame_writer_destroy(fw);
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lshpack_enc_cleanup(&henc);
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lsquic_mm_cleanup(&mm);
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free(value);
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}
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static void
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test_continuations (void)
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{
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struct lsquic_frame_writer *fw;
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struct lshpack_enc henc;
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int s;
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struct lsquic_mm mm;
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lshpack_enc_init(&henc);
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lsquic_mm_init(&mm);
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fw = lsquic_frame_writer_new(&mm, NULL, 6, &henc, output_write,
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#if LSQUIC_CONN_STATS
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&s_conn_stats,
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#endif
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0);
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reset_output(0);
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/*
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perl tools/henc.pl :status 302 x-some-header some-value | hexdump -C
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00000000 48 82 64 02 40 8a f2 b2 0f 49 56 9c a3 90 b6 7f |H.d.@....IV.....|
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00000010 87 41 e9 2a dd c7 45 a5 |.A.*..E.|
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*/
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struct lsxpack_header header_arr[] =
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{
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{ XHDR(":status", "302") },
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{ XHDR("x-some-header", "some-value") },
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};
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struct lsquic_http_headers headers = {
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.count = 2,
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.headers = header_arr,
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};
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s = lsquic_frame_writer_write_headers(fw, 12345, &headers, 0, 100);
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assert(0 == s);
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/* Expected payload is 5 bytes of http_prio_frame and 24 bytes of
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* compressed headers, split into 4 15-byte chunks (9-byte header
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* 6-byte payload) and 1 14-byte chunk (9-byte header and 5-byte
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* payload).
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*/
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unsigned char expected_buf[] = {
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/* Length: */ 0x00, 0x00, 0x06, /* 1 */
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/* Type: */ HTTP_FRAME_HEADERS,
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/* Flags: */ HFHF_PRIORITY,
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/* Stream Id: */ 0x00, 0x00, 0x30, 0x39,
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/* Payload (priority info): */
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0x00, 0x00, 0x00, 0x00, 100 - 1,
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/* Payload (headers): */
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0x48,
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/* Length: */ 0x00, 0x00, 0x06, /* 2 */
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/* Type: */ HTTP_FRAME_CONTINUATION,
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/* Flags: */ 0x00,
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/* Stream Id: */ 0x00, 0x00, 0x30, 0x39,
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/* Payload (headers): */
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0x82, 0x64, 0x02, 0x40, 0x8A, 0xF2,
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/* Length: */ 0x00, 0x00, 0x06, /* 3 */
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/* Type: */ HTTP_FRAME_CONTINUATION,
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/* Flags: */ 0x00,
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/* Stream Id: */ 0x00, 0x00, 0x30, 0x39,
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/* Payload (headers): */
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0xb2, 0x0f, 0x49, 0x56, 0x9c, 0xa3,
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/* Length: */ 0x00, 0x00, 0x06, /* 4 */
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/* Type: */ HTTP_FRAME_CONTINUATION,
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/* Flags: */ 0x00,
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/* Stream Id: */ 0x00, 0x00, 0x30, 0x39,
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/* Payload (headers): */
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0x90, 0xb6, 0x7f, 0x87, 0x41, 0xe9,
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/* Length: */ 0x00, 0x00, 0x05, /* 5 */
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/* Type: */ HTTP_FRAME_CONTINUATION,
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/* Flags: */ HFHF_END_HEADERS,
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/* Stream Id: */ 0x00, 0x00, 0x30, 0x39,
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/* Payload (headers): */
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0x2a, 0xdd, 0xc7, 0x45, 0xa5,
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};
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assert(sizeof(expected_buf) == output.sz);
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assert(0 == memcmp(output.buf + 0, expected_buf + 0, 15));
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assert(0 == memcmp(output.buf + 15, expected_buf + 15, 15));
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assert(0 == memcmp(output.buf + 30, expected_buf + 30, 15));
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assert(0 == memcmp(output.buf + 45, expected_buf + 45, 15));
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assert(0 == memcmp(output.buf + 60, expected_buf + 60, 14));
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lsquic_frame_writer_destroy(fw);
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lshpack_enc_cleanup(&henc);
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lsquic_mm_cleanup(&mm);
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}
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static void
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test_settings_short (void)
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{
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struct lsquic_frame_writer *fw;
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int s;
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struct lsquic_mm mm;
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lsquic_mm_init(&mm);
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fw = lsquic_frame_writer_new(&mm, NULL, 7, NULL, output_write,
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#if LSQUIC_CONN_STATS
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&s_conn_stats,
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#endif
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0);
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{
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reset_output(0);
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struct lsquic_http2_setting settings[] = { { 1, 2, }, { 3, 4, } };
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s = lsquic_frame_writer_write_settings(fw, settings, 2);
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assert(0 == s);
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const unsigned char exp_buf[] = {
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/* Length: */ 0x00, 0x00, 0x06,
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/* Type: */ HTTP_FRAME_SETTINGS,
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/* Flags: */ 0x00,
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/* Stream Id: */ 0x00, 0x00, 0x00, 0x00,
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/* Payload: */ 0x00, 0x01, 0x00, 0x00, 0x00, 0x02,
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/* Length: */ 0x00, 0x00, 0x06,
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/* Type: */ HTTP_FRAME_SETTINGS,
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/* Flags: */ 0x00,
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/* Stream Id: */ 0x00, 0x00, 0x00, 0x00,
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/* Payload: */ 0x00, 0x03, 0x00, 0x00, 0x00, 0x04,
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};
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assert(output.sz == sizeof(exp_buf));
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assert(0 == memcmp(output.buf, exp_buf, sizeof(exp_buf)));
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}
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{
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reset_output(0);
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struct lsquic_http2_setting settings[] = { { 1, 2, }, { 3, 4, } };
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s = lsquic_frame_writer_write_settings(fw, settings, 0);
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assert(-1 == s);
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assert(EINVAL == errno);
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}
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lsquic_frame_writer_destroy(fw);
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lsquic_mm_cleanup(&mm);
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}
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static void
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test_settings_normal (void)
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{
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struct lsquic_frame_writer *fw;
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int s;
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struct lsquic_mm mm;
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lsquic_mm_init(&mm);
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fw = lsquic_frame_writer_new(&mm, NULL, 0, NULL, output_write,
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#if LSQUIC_CONN_STATS
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&s_conn_stats,
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#endif
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0);
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{
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reset_output(0);
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struct lsquic_http2_setting settings[] = { { 1, 2, }, { 3, 4, } };
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s = lsquic_frame_writer_write_settings(fw, settings, 2);
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assert(0 == s);
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const unsigned char exp_buf[] = {
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/* Length: */ 0x00, 0x00, 0x0C,
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/* Type: */ HTTP_FRAME_SETTINGS,
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/* Flags: */ 0x00,
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/* Stream Id: */ 0x00, 0x00, 0x00, 0x00,
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/* Payload: */ 0x00, 0x01, 0x00, 0x00, 0x00, 0x02,
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/* Payload: */ 0x00, 0x03, 0x00, 0x00, 0x00, 0x04,
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};
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assert(output.sz == sizeof(exp_buf));
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assert(0 == memcmp(output.buf, exp_buf, sizeof(exp_buf)));
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}
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{
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reset_output(0);
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struct lsquic_http2_setting settings[] = { { 1, 2, }, { 3, 4, } };
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s = lsquic_frame_writer_write_settings(fw, settings, 0);
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assert(-1 == s);
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assert(EINVAL == errno);
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}
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lsquic_frame_writer_destroy(fw);
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lsquic_mm_cleanup(&mm);
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}
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static struct lsquic_conn my_conn = LSCONN_INITIALIZER_CIDLEN(my_conn, 8);
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#if !defined(NDEBUG) && __GNUC__
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__attribute__((weak))
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#endif
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lsquic_conn_t *
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lsquic_stream_conn (const lsquic_stream_t *stream)
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{
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return &my_conn;
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}
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static void
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test_priority (void)
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{
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struct lsquic_frame_writer *fw;
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int s;
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struct lsquic_mm mm;
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lsquic_mm_init(&mm);
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fw = lsquic_frame_writer_new(&mm, NULL, 6, NULL, output_write,
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#if LSQUIC_CONN_STATS
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&s_conn_stats,
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#endif
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0);
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s = lsquic_frame_writer_write_priority(fw, 3, 0, 1UL << 31, 256);
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assert(s < 0); /* Invalid dependency stream ID */
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s = lsquic_frame_writer_write_priority(fw, 3, 0, 1, 0);
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assert(s < 0); /* Invalid priority stream ID */
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s = lsquic_frame_writer_write_priority(fw, 3, 0, 1, 257);
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assert(s < 0); /* Invalid priority stream ID */
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{
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reset_output(0);
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s = lsquic_frame_writer_write_priority(fw, 3, 0, 1, 256);
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assert(0 == s);
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const unsigned char exp_buf[] = {
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/* Length: */ 0x00, 0x00, 5,
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/* Type: */ HTTP_FRAME_PRIORITY,
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/* Flags: */ 0x00,
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/* Stream Id: */ 0x00, 0x00, 0x00, 0x03,
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/* Dep stream Id: */0x00, 0x00, 0x00, 0x01,
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/* Weight: */ 0xFF,
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};
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assert(output.sz == sizeof(exp_buf));
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assert(0 == memcmp(output.buf, exp_buf, sizeof(exp_buf)));
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}
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{
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reset_output(0);
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s = lsquic_frame_writer_write_priority(fw, 20, 1, 100, 256);
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assert(0 == s);
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const unsigned char exp_buf[] = {
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/* Length: */ 0x00, 0x00, 5,
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/* Type: */ HTTP_FRAME_PRIORITY,
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/* Flags: */ 0x00,
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/* Stream Id: */ 0x00, 0x00, 0x00, 0x14,
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/* Dep stream Id: */0x80, 0x00, 0x00, 0x64,
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/* Weight: */ 0xFF,
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};
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assert(output.sz == sizeof(exp_buf));
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assert(0 == memcmp(output.buf, exp_buf, sizeof(exp_buf)));
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}
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lsquic_frame_writer_destroy(fw);
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lsquic_mm_cleanup(&mm);
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
test_errors (void)
|
|
{
|
|
struct lsquic_frame_writer *fw;
|
|
struct lsquic_mm mm;
|
|
struct lshpack_enc henc;
|
|
int s;
|
|
|
|
lshpack_enc_init(&henc);
|
|
lsquic_mm_init(&mm);
|
|
fw = lsquic_frame_writer_new(&mm, NULL, 0x200, &henc, output_write,
|
|
#if LSQUIC_CONN_STATS
|
|
&s_conn_stats,
|
|
#endif
|
|
1);
|
|
reset_output(0);
|
|
|
|
{
|
|
struct lsxpack_header header_arr[] =
|
|
{
|
|
{ XHDR(":status", "200") },
|
|
{ XHDR("Content-type", "text/html") },
|
|
};
|
|
struct lsquic_http_headers headers = {
|
|
.count = 2,
|
|
.headers = header_arr,
|
|
};
|
|
s = lsquic_frame_writer_write_headers(fw, 12345, &headers, 0, 80);
|
|
assert(-1 == s);
|
|
assert(EINVAL == errno);
|
|
}
|
|
|
|
{
|
|
struct lsxpack_header header_arr[] =
|
|
{
|
|
{ XHDR(":status", "200") },
|
|
{ XHDR("content-type", "text/html") },
|
|
};
|
|
struct lsquic_http_headers headers = {
|
|
.count = 2,
|
|
.headers = header_arr,
|
|
};
|
|
lsquic_frame_writer_max_header_list_size(fw, 40);
|
|
s = lsquic_frame_writer_write_headers(fw, 12345, &headers, 0, 80);
|
|
/* Server ignores SETTINGS_MAX_HEADER_LIST_SIZE setting */
|
|
assert(s == 0);
|
|
}
|
|
|
|
lsquic_frame_writer_destroy(fw);
|
|
lshpack_enc_cleanup(&henc);
|
|
lsquic_mm_cleanup(&mm);
|
|
}
|
|
|
|
|
|
static void
|
|
test_push_promise (void)
|
|
{
|
|
struct lshpack_enc henc;
|
|
struct lsquic_frame_writer *fw;
|
|
int s;
|
|
struct lsquic_mm mm;
|
|
|
|
lshpack_enc_init(&henc);
|
|
lsquic_mm_init(&mm);
|
|
fw = lsquic_frame_writer_new(&mm, NULL, 0x200, &henc, output_write,
|
|
#if LSQUIC_CONN_STATS
|
|
&s_conn_stats,
|
|
#endif
|
|
1);
|
|
reset_output(0);
|
|
|
|
/*
|
|
perl tools/hpack.pl :method GET :path /index.html :authority www.example.com :scheme https x-some-header some-value| hexdump -C
|
|
00000000 82 85 41 8c f1 e3 c2 e5 f2 3a 6b a0 ab 90 f4 ff |..A......:k.....|
|
|
00000010 87 40 8a f2 b2 0f 49 56 9c a3 90 b6 7f 87 41 e9 |.@....IV......A.|
|
|
00000020 2a dd c7 45 a5 |*..E.|
|
|
*/
|
|
|
|
const unsigned char exp_headers[] = {
|
|
0x82, 0x85, 0x41, 0x8c, 0xf1, 0xe3, 0xc2, 0xe5, 0xf2, 0x3a,
|
|
0x6b, 0xa0, 0xab, 0x90, 0xf4, 0xff, 0x87, 0x40, 0x8a, 0xf2,
|
|
0xb2, 0x0f, 0x49, 0x56, 0x9c, 0xa3, 0x90, 0xb6, 0x7f, 0x87,
|
|
0x41, 0xe9, 0x2a, 0xdd, 0xc7, 0x45, 0xa5,
|
|
};
|
|
|
|
struct lsxpack_header header_arr[] =
|
|
{
|
|
{ XHDR(":method", "GET") },
|
|
{ XHDR(":path", "/index.html") },
|
|
{ XHDR(":authority", "www.example.com") },
|
|
{ XHDR(":scheme", "https") },
|
|
{ XHDR("x-some-header", "some-value") },
|
|
};
|
|
|
|
struct lsquic_http_headers headers = {
|
|
.count = 5,
|
|
.headers = header_arr,
|
|
};
|
|
|
|
s = lsquic_frame_writer_write_promise(fw, 12345, 0xEEEE, &headers);
|
|
assert(0 == s);
|
|
|
|
struct http_frame_header fh;
|
|
struct http_push_promise_frame push_frame;
|
|
|
|
assert(sizeof(exp_headers) + sizeof(struct http_frame_header) +
|
|
sizeof(struct http_push_promise_frame) == output.sz);
|
|
|
|
memcpy(&fh, output.buf, sizeof(fh));
|
|
assert(sizeof(exp_headers) + sizeof(struct http_push_promise_frame) == hfh_get_length(&fh));
|
|
assert(HTTP_FRAME_PUSH_PROMISE == fh.hfh_type);
|
|
assert(HFHF_END_HEADERS == fh.hfh_flags);
|
|
assert(fh.hfh_stream_id[0] == 0);
|
|
assert(fh.hfh_stream_id[1] == 0);
|
|
assert(fh.hfh_stream_id[2] == 0x30);
|
|
assert(fh.hfh_stream_id[3] == 0x39);
|
|
|
|
memcpy(&push_frame, output.buf + sizeof(struct http_frame_header),
|
|
sizeof(struct http_push_promise_frame));
|
|
|
|
assert(push_frame.hppf_promised_id[0] == 0);
|
|
assert(push_frame.hppf_promised_id[1] == 0);
|
|
assert(push_frame.hppf_promised_id[2] == 0xEE);
|
|
assert(push_frame.hppf_promised_id[3] == 0xEE);
|
|
|
|
assert(0 == memcmp(output.buf + sizeof(struct http_frame_header) +
|
|
sizeof(struct http_push_promise_frame), exp_headers,
|
|
sizeof(exp_headers)));
|
|
|
|
lsquic_frame_writer_destroy(fw);
|
|
lshpack_enc_cleanup(&henc);
|
|
lsquic_mm_cleanup(&mm);
|
|
}
|
|
|
|
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
test_one_header();
|
|
test_oversize_header();
|
|
test_continuations();
|
|
test_settings_normal();
|
|
test_settings_short();
|
|
test_priority();
|
|
test_push_promise();
|
|
test_errors();
|
|
test_max_frame_size();
|
|
return 0;
|
|
}
|