h2o/fuzz/h3_header_generator.c
2023-11-27 23:39:52 +00:00

124 lines
3.9 KiB
C

/*
* Copyright (c) 2021 Fastly, Inc.
*
* 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 <stdio.h>
#include <getopt.h>
#include "h2o.h"
#include "h2o/qpack.h"
static void usage(const char *progname)
{
fprintf(stderr,
"%s: generates HTTP/3 HEADERS frame, including QPACK-encoded payload\n"
"\n"
"Usage: %s [options] <output-file>\n"
"Options:\n"
" -H <name:value>\n"
" adds a request header\n"
" -x <authority>\n"
" specifies the authority value (default: \"www.example.com\")\n"
" -p <path> specifies the path (default: \"/\")\n"
" -h prints this help\n"
"\n",
progname, progname);
}
int main(int argc, char *argv[])
{
FILE *fp = NULL;
int opt, ret = 1;
h2o_mem_pool_t pool;
h2o_headers_t headers = {NULL};
const char *progname = argv[0];
const char *authority = "www.example.com";
const char *path = "/";
h2o_mem_init_pool(&pool);
while ((opt = getopt(argc, argv, "H:h:x:p:")) != -1) {
switch (opt) {
case 'H': {
/* code excerpted from httpclient.c */
const char *colon, *value_start;
if ((colon = index(optarg, ':')) == NULL) {
fprintf(stderr, "no `:` found in -H\n");
return 1;
}
for (value_start = colon + 1; *value_start == ' ' || *value_start == '\t'; ++value_start)
;
h2o_iovec_t name = h2o_iovec_init(optarg, colon - optarg);
h2o_iovec_t value = h2o_iovec_init(value_start, strlen(value_start));
h2o_add_header_by_str(&pool, &headers, name.base, name.len, 1, NULL, value.base, value.len);
} break;
case 'h':
usage(progname);
ret = 1;
goto Exit;
break;
case 'x':
authority = optarg;
break;
case 'p':
path = optarg;
break;
default:
usage(progname);
goto Exit;
}
}
argc -= optind;
argv += optind;
if (argc < 1) {
usage(progname);
goto Exit;
}
fp = fopen(argv[0], "wb");
if (fp == NULL) {
fprintf(stderr, "Failed to open %s: %s\n", argv[0], strerror(errno));
goto Exit;
}
h2o_qpack_encoder_t *enc = h2o_qpack_create_encoder(4096, 10);
h2o_iovec_t headers_frame = h2o_qpack_flatten_request(
enc, &pool, 0, NULL, h2o_iovec_init(H2O_STRLIT("GET")), &H2O_URL_SCHEME_HTTPS, h2o_iovec_init(authority, strlen(authority)),
h2o_iovec_init(path, strlen(path)), h2o_iovec_init(NULL, 0), headers.entries, headers.size, h2o_iovec_init(NULL, 0));
fwrite(headers_frame.base, headers_frame.len, 1, fp);
h2o_qpack_destroy_encoder(enc);
ret = 0;
Exit:
h2o_mem_clear_pool(&pool);
if (fp != NULL)
fclose(fp);
return ret;
}