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test.c
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test.c
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/* use `make test` to run the test */
/*
* Copyright (c) 2009-2014 Kazuho Oku, Tokuhiro Matsuno, Daisuke Murase,
* Shigeo Mitsunari
*
* The software is licensed under either the MIT License (below) or the Perl
* license.
*
* 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 <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <unistd.h>
#include "picotest/picotest.h"
#include "picohttpparser.h"
static int bufis(const char *s, size_t l, const char *t)
{
return strlen(t) == l && memcmp(s, t, l) == 0;
}
static char *inputbuf; /* point to the end of the buffer */
static void test_request(void)
{
const char *method;
size_t method_len;
const char *path;
size_t path_len;
int minor_version;
struct phr_header headers[4];
size_t num_headers;
#define PARSE(s, last_len, exp, comment) \
do { \
size_t slen = sizeof(s) - 1; \
note(comment); \
num_headers = sizeof(headers) / sizeof(headers[0]); \
memcpy(inputbuf - slen, s, slen); \
ok(phr_parse_request(inputbuf - slen, slen, &method, &method_len, &path, &path_len, &minor_version, headers, &num_headers, \
last_len) == (exp == 0 ? (int)slen : exp)); \
} while (0)
PARSE("GET / HTTP/1.0\r\n\r\n", 0, 0, "simple");
ok(num_headers == 0);
ok(bufis(method, method_len, "GET"));
ok(bufis(path, path_len, "/"));
ok(minor_version == 0);
PARSE("GET / HTTP/1.0\r\n\r", 0, -2, "partial");
PARSE("GET /hoge HTTP/1.1\r\nHost: example.com\r\nCookie: \r\n\r\n", 0, 0, "parse headers");
ok(num_headers == 2);
ok(bufis(method, method_len, "GET"));
ok(bufis(path, path_len, "/hoge"));
ok(minor_version == 1);
ok(bufis(headers[0].name, headers[0].name_len, "Host"));
ok(bufis(headers[0].value, headers[0].value_len, "example.com"));
ok(bufis(headers[1].name, headers[1].name_len, "Cookie"));
ok(bufis(headers[1].value, headers[1].value_len, ""));
PARSE("GET /hoge HTTP/1.1\r\nHost: example.com\r\nUser-Agent: \343\201\262\343/1.0\r\n\r\n", 0, 0, "multibyte included");
ok(num_headers == 2);
ok(bufis(method, method_len, "GET"));
ok(bufis(path, path_len, "/hoge"));
ok(minor_version == 1);
ok(bufis(headers[0].name, headers[0].name_len, "Host"));
ok(bufis(headers[0].value, headers[0].value_len, "example.com"));
ok(bufis(headers[1].name, headers[1].name_len, "User-Agent"));
ok(bufis(headers[1].value, headers[1].value_len, "\343\201\262\343/1.0"));
PARSE("GET / HTTP/1.0\r\nfoo: \r\nfoo: b\r\n \tc\r\n\r\n", 0, 0, "parse multiline");
ok(num_headers == 3);
ok(bufis(method, method_len, "GET"));
ok(bufis(path, path_len, "/"));
ok(minor_version == 0);
ok(bufis(headers[0].name, headers[0].name_len, "foo"));
ok(bufis(headers[0].value, headers[0].value_len, ""));
ok(bufis(headers[1].name, headers[1].name_len, "foo"));
ok(bufis(headers[1].value, headers[1].value_len, "b"));
ok(headers[2].name == NULL);
ok(bufis(headers[2].value, headers[2].value_len, " \tc"));
PARSE("GET / HTTP/1.0\r\nfoo : ab\r\n\r\n", 0, -1, "parse header name with trailing space");
PARSE("GET", 0, -2, "incomplete 1");
ok(method == NULL);
PARSE("GET ", 0, -2, "incomplete 2");
ok(bufis(method, method_len, "GET"));
PARSE("GET /", 0, -2, "incomplete 3");
ok(path == NULL);
PARSE("GET / ", 0, -2, "incomplete 4");
ok(bufis(path, path_len, "/"));
PARSE("GET / H", 0, -2, "incomplete 5");
PARSE("GET / HTTP/1.", 0, -2, "incomplete 6");
PARSE("GET / HTTP/1.0", 0, -2, "incomplete 7");
ok(minor_version == -1);
PARSE("GET / HTTP/1.0\r", 0, -2, "incomplete 8");
ok(minor_version == 0);
PARSE("GET /hoge HTTP/1.0\r\n\r", strlen("GET /hoge HTTP/1.0\r\n\r") - 1, -2, "slowloris (incomplete)");
PARSE("GET /hoge HTTP/1.0\r\n\r\n", strlen("GET /hoge HTTP/1.0\r\n\r\n") - 1, 0, "slowloris (complete)");
PARSE(" / HTTP/1.0\r\n\r\n", 0, -1, "empty method");
PARSE("GET HTTP/1.0\r\n\r\n", 0, -1, "empty request-target");
PARSE("GET / HTTP/1.0\r\n:a\r\n\r\n", 0, -1, "empty header name");
PARSE("GET / HTTP/1.0\r\n :a\r\n\r\n", 0, -1, "header name (space only)");
PARSE("G\0T / HTTP/1.0\r\n\r\n", 0, -1, "NUL in method");
PARSE("G\tT / HTTP/1.0\r\n\r\n", 0, -1, "tab in method");
PARSE(":GET / HTTP/1.0\r\n\r\n", 0, -1, "invalid method");
PARSE("GET /\x7fhello HTTP/1.0\r\n\r\n", 0, -1, "DEL in uri-path");
PARSE("GET / HTTP/1.0\r\na\0b: c\r\n\r\n", 0, -1, "NUL in header name");
PARSE("GET / HTTP/1.0\r\nab: c\0d\r\n\r\n", 0, -1, "NUL in header value");
PARSE("GET / HTTP/1.0\r\na\033b: c\r\n\r\n", 0, -1, "CTL in header name");
PARSE("GET / HTTP/1.0\r\nab: c\033\r\n\r\n", 0, -1, "CTL in header value");
PARSE("GET / HTTP/1.0\r\n/: 1\r\n\r\n", 0, -1, "invalid char in header value");
PARSE("GET /\xa0 HTTP/1.0\r\nh: c\xa2y\r\n\r\n", 0, 0, "accept MSB chars");
ok(num_headers == 1);
ok(bufis(method, method_len, "GET"));
ok(bufis(path, path_len, "/\xa0"));
ok(minor_version == 0);
ok(bufis(headers[0].name, headers[0].name_len, "h"));
ok(bufis(headers[0].value, headers[0].value_len, "c\xa2y"));
PARSE("GET / HTTP/1.0\r\n\x7c\x7e: 1\r\n\r\n", 0, 0, "accept |~ (though forbidden by SSE)");
ok(num_headers == 1);
ok(bufis(headers[0].name, headers[0].name_len, "\x7c\x7e"));
ok(bufis(headers[0].value, headers[0].value_len, "1"));
PARSE("GET / HTTP/1.0\r\n\x7b: 1\r\n\r\n", 0, -1, "disallow {");
PARSE("GET / HTTP/1.0\r\nfoo: a \t \r\n\r\n", 0, 0, "exclude leading and trailing spaces in header value");
ok(bufis(headers[0].value, headers[0].value_len, "a"));
PARSE("GET / HTTP/1.0\r\n\r\n", 0, 0, "accept multiple spaces between tokens");
#undef PARSE
}
static void test_response(void)
{
int minor_version;
int status;
const char *msg;
size_t msg_len;
struct phr_header headers[4];
size_t num_headers;
#define PARSE(s, last_len, exp, comment) \
do { \
size_t slen = sizeof(s) - 1; \
note(comment); \
num_headers = sizeof(headers) / sizeof(headers[0]); \
memcpy(inputbuf - slen, s, slen); \
ok(phr_parse_response(inputbuf - slen, slen, &minor_version, &status, &msg, &msg_len, headers, &num_headers, last_len) == \
(exp == 0 ? (int)slen : exp)); \
} while (0)
PARSE("HTTP/1.0 200 OK\r\n\r\n", 0, 0, "simple");
ok(num_headers == 0);
ok(status == 200);
ok(minor_version == 0);
ok(bufis(msg, msg_len, "OK"));
PARSE("HTTP/1.0 200 OK\r\n\r", 0, -2, "partial");
PARSE("HTTP/1.1 200 OK\r\nHost: example.com\r\nCookie: \r\n\r\n", 0, 0, "parse headers");
ok(num_headers == 2);
ok(minor_version == 1);
ok(status == 200);
ok(bufis(msg, msg_len, "OK"));
ok(bufis(headers[0].name, headers[0].name_len, "Host"));
ok(bufis(headers[0].value, headers[0].value_len, "example.com"));
ok(bufis(headers[1].name, headers[1].name_len, "Cookie"));
ok(bufis(headers[1].value, headers[1].value_len, ""));
PARSE("HTTP/1.0 200 OK\r\nfoo: \r\nfoo: b\r\n \tc\r\n\r\n", 0, 0, "parse multiline");
ok(num_headers == 3);
ok(minor_version == 0);
ok(status == 200);
ok(bufis(msg, msg_len, "OK"));
ok(bufis(headers[0].name, headers[0].name_len, "foo"));
ok(bufis(headers[0].value, headers[0].value_len, ""));
ok(bufis(headers[1].name, headers[1].name_len, "foo"));
ok(bufis(headers[1].value, headers[1].value_len, "b"));
ok(headers[2].name == NULL);
ok(bufis(headers[2].value, headers[2].value_len, " \tc"));
PARSE("HTTP/1.0 500 Internal Server Error\r\n\r\n", 0, 0, "internal server error");
ok(num_headers == 0);
ok(minor_version == 0);
ok(status == 500);
ok(bufis(msg, msg_len, "Internal Server Error"));
ok(msg_len == sizeof("Internal Server Error") - 1);
PARSE("H", 0, -2, "incomplete 1");
PARSE("HTTP/1.", 0, -2, "incomplete 2");
PARSE("HTTP/1.1", 0, -2, "incomplete 3");
ok(minor_version == -1);
PARSE("HTTP/1.1 ", 0, -2, "incomplete 4");
ok(minor_version == 1);
PARSE("HTTP/1.1 2", 0, -2, "incomplete 5");
PARSE("HTTP/1.1 200", 0, -2, "incomplete 6");
ok(status == 0);
PARSE("HTTP/1.1 200 ", 0, -2, "incomplete 7");
ok(status == 200);
PARSE("HTTP/1.1 200 O", 0, -2, "incomplete 8");
PARSE("HTTP/1.1 200 OK\r", 0, -2, "incomplete 9");
ok(msg == NULL);
PARSE("HTTP/1.1 200 OK\r\n", 0, -2, "incomplete 10");
ok(bufis(msg, msg_len, "OK"));
PARSE("HTTP/1.1 200 OK\n", 0, -2, "incomplete 11");
ok(bufis(msg, msg_len, "OK"));
PARSE("HTTP/1.1 200 OK\r\nA: 1\r", 0, -2, "incomplete 11");
ok(num_headers == 0);
PARSE("HTTP/1.1 200 OK\r\nA: 1\r\n", 0, -2, "incomplete 12");
ok(num_headers == 1);
ok(bufis(headers[0].name, headers[0].name_len, "A"));
ok(bufis(headers[0].value, headers[0].value_len, "1"));
PARSE("HTTP/1.0 200 OK\r\n\r", strlen("HTTP/1.0 200 OK\r\n\r") - 1, -2, "slowloris (incomplete)");
PARSE("HTTP/1.0 200 OK\r\n\r\n", strlen("HTTP/1.0 200 OK\r\n\r\n") - 1, 0, "slowloris (complete)");
PARSE("HTTP/1. 200 OK\r\n\r\n", 0, -1, "invalid http version");
PARSE("HTTP/1.2z 200 OK\r\n\r\n", 0, -1, "invalid http version 2");
PARSE("HTTP/1.1 OK\r\n\r\n", 0, -1, "no status code");
PARSE("HTTP/1.1 200\r\n\r\n", 0, 0, "accept missing trailing whitespace in status-line");
ok(bufis(msg, msg_len, ""));
PARSE("HTTP/1.1 200X\r\n\r\n", 0, -1, "garbage after status 1");
PARSE("HTTP/1.1 200X \r\n\r\n", 0, -1, "garbage after status 2");
PARSE("HTTP/1.1 200X OK\r\n\r\n", 0, -1, "garbage after status 3");
PARSE("HTTP/1.1 200 OK\r\nbar: \t b\t \t\r\n\r\n", 0, 0, "exclude leading and trailing spaces in header value");
ok(bufis(headers[0].value, headers[0].value_len, "b"));
PARSE("HTTP/1.1 200 OK\r\n\r\n", 0, 0, "accept multiple spaces between tokens");
#undef PARSE
}
static void test_headers(void)
{
/* only test the interface; the core parser is tested by the tests above */
struct phr_header headers[4];
size_t num_headers;
#define PARSE(s, last_len, exp, comment) \
do { \
note(comment); \
num_headers = sizeof(headers) / sizeof(headers[0]); \
ok(phr_parse_headers(s, strlen(s), headers, &num_headers, last_len) == (exp == 0 ? (int)strlen(s) : exp)); \
} while (0)
PARSE("Host: example.com\r\nCookie: \r\n\r\n", 0, 0, "simple");
ok(num_headers == 2);
ok(bufis(headers[0].name, headers[0].name_len, "Host"));
ok(bufis(headers[0].value, headers[0].value_len, "example.com"));
ok(bufis(headers[1].name, headers[1].name_len, "Cookie"));
ok(bufis(headers[1].value, headers[1].value_len, ""));
PARSE("Host: example.com\r\nCookie: \r\n\r\n", 1, 0, "slowloris");
ok(num_headers == 2);
ok(bufis(headers[0].name, headers[0].name_len, "Host"));
ok(bufis(headers[0].value, headers[0].value_len, "example.com"));
ok(bufis(headers[1].name, headers[1].name_len, "Cookie"));
ok(bufis(headers[1].value, headers[1].value_len, ""));
PARSE("Host: example.com\r\nCookie: \r\n\r", 0, -2, "partial");
PARSE("Host: e\7fample.com\r\nCookie: \r\n\r", 0, -1, "error");
#undef PARSE
}
static void test_chunked_at_once(int line, int consume_trailer, const char *encoded, const char *decoded, ssize_t expected)
{
struct phr_chunked_decoder dec = {0};
char *buf;
size_t bufsz;
ssize_t ret;
dec.consume_trailer = consume_trailer;
note("testing at-once, source at line %d", line);
buf = strdup(encoded);
bufsz = strlen(buf);
ret = phr_decode_chunked(&dec, buf, &bufsz);
ok(ret == expected);
ok(bufsz == strlen(decoded));
ok(bufis(buf, bufsz, decoded));
if (expected >= 0) {
if (ret == expected)
ok(bufis(buf + bufsz, ret, encoded + strlen(encoded) - ret));
else
ok(0);
}
free(buf);
}
static void test_chunked_per_byte(int line, int consume_trailer, const char *encoded, const char *decoded, ssize_t expected)
{
struct phr_chunked_decoder dec = {0};
char *buf = malloc(strlen(encoded) + 1);
size_t bytes_to_consume = strlen(encoded) - (expected >= 0 ? expected : 0), bytes_ready = 0, bufsz, i;
ssize_t ret;
dec.consume_trailer = consume_trailer;
note("testing per-byte, source at line %d", line);
for (i = 0; i < bytes_to_consume - 1; ++i) {
buf[bytes_ready] = encoded[i];
bufsz = 1;
ret = phr_decode_chunked(&dec, buf + bytes_ready, &bufsz);
if (ret != -2) {
ok(0);
goto cleanup;
}
bytes_ready += bufsz;
}
strcpy(buf + bytes_ready, encoded + bytes_to_consume - 1);
bufsz = strlen(buf + bytes_ready);
ret = phr_decode_chunked(&dec, buf + bytes_ready, &bufsz);
ok(ret == expected);
bytes_ready += bufsz;
ok(bytes_ready == strlen(decoded));
ok(bufis(buf, bytes_ready, decoded));
if (expected >= 0) {
if (ret == expected)
ok(bufis(buf + bytes_ready, expected, encoded + bytes_to_consume));
else
ok(0);
}
cleanup:
free(buf);
}
static void test_chunked_failure(int line, const char *encoded, ssize_t expected)
{
struct phr_chunked_decoder dec = {0};
char *buf = strdup(encoded);
size_t bufsz, i;
ssize_t ret;
note("testing failure at-once, source at line %d", line);
bufsz = strlen(buf);
ret = phr_decode_chunked(&dec, buf, &bufsz);
ok(ret == expected);
note("testing failure per-byte, source at line %d", line);
memset(&dec, 0, sizeof(dec));
for (i = 0; encoded[i] != '\0'; ++i) {
buf[0] = encoded[i];
bufsz = 1;
ret = phr_decode_chunked(&dec, buf, &bufsz);
if (ret == -1) {
ok(ret == expected);
goto cleanup;
} else if (ret == -2) {
/* continue */
} else {
ok(0);
goto cleanup;
}
}
ok(ret == expected);
cleanup:
free(buf);
}
static void (*chunked_test_runners[])(int, int, const char *, const char *, ssize_t) = {test_chunked_at_once, test_chunked_per_byte,
NULL};
static void test_chunked(void)
{
size_t i;
for (i = 0; chunked_test_runners[i] != NULL; ++i) {
chunked_test_runners[i](__LINE__, 0, "b\r\nhello world\r\n0\r\n", "hello world", 0);
chunked_test_runners[i](__LINE__, 0, "6\r\nhello \r\n5\r\nworld\r\n0\r\n", "hello world", 0);
chunked_test_runners[i](__LINE__, 0, "6;comment=hi\r\nhello \r\n5\r\nworld\r\n0\r\n", "hello world", 0);
chunked_test_runners[i](__LINE__, 0, "6\r\nhello \r\n5\r\nworld\r\n0\r\na: b\r\nc: d\r\n\r\n", "hello world",
sizeof("a: b\r\nc: d\r\n\r\n") - 1);
chunked_test_runners[i](__LINE__, 0, "b\r\nhello world\r\n0\r\n", "hello world", 0);
}
note("failures");
test_chunked_failure(__LINE__, "z\r\nabcdefg", -1);
if (sizeof(size_t) == 8) {
test_chunked_failure(__LINE__, "6\r\nhello \r\nffffffffffffffff\r\nabcdefg", -2);
test_chunked_failure(__LINE__, "6\r\nhello \r\nfffffffffffffffff\r\nabcdefg", -1);
}
}
static void test_chunked_consume_trailer(void)
{
size_t i;
for (i = 0; chunked_test_runners[i] != NULL; ++i) {
chunked_test_runners[i](__LINE__, 1, "b\r\nhello world\r\n0\r\n", "hello world", -2);
chunked_test_runners[i](__LINE__, 1, "6\r\nhello \r\n5\r\nworld\r\n0\r\n", "hello world", -2);
chunked_test_runners[i](__LINE__, 1, "6;comment=hi\r\nhello \r\n5\r\nworld\r\n0\r\n", "hello world", -2);
chunked_test_runners[i](__LINE__, 1, "b\r\nhello world\r\n0\r\n\r\n", "hello world", 0);
chunked_test_runners[i](__LINE__, 1, "b\nhello world\n0\n\n", "hello world", 0);
chunked_test_runners[i](__LINE__, 1, "6\r\nhello \r\n5\r\nworld\r\n0\r\na: b\r\nc: d\r\n\r\n", "hello world", 0);
}
}
static void test_chunked_leftdata(void)
{
#define NEXT_REQ "GET / HTTP/1.1\r\n\r\n"
struct phr_chunked_decoder dec = {0};
dec.consume_trailer = 1;
char buf[] = "5\r\nabcde\r\n0\r\n\r\n" NEXT_REQ;
size_t bufsz = sizeof(buf) - 1;
ssize_t ret = phr_decode_chunked(&dec, buf, &bufsz);
ok(ret >= 0);
ok(bufsz == 5);
ok(memcmp(buf, "abcde", 5) == 0);
ok(ret == sizeof(NEXT_REQ) - 1);
ok(memcmp(buf + bufsz, NEXT_REQ, sizeof(NEXT_REQ) - 1) == 0);
#undef NEXT_REQ
}
int main(void)
{
long pagesize = sysconf(_SC_PAGESIZE);
assert(pagesize >= 1);
inputbuf = mmap(NULL, pagesize * 3, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
assert(inputbuf != MAP_FAILED);
inputbuf += pagesize * 2;
ok(mprotect(inputbuf - pagesize, pagesize, PROT_READ | PROT_WRITE) == 0);
subtest("request", test_request);
subtest("response", test_response);
subtest("headers", test_headers);
subtest("chunked", test_chunked);
subtest("chunked-consume-trailer", test_chunked_consume_trailer);
subtest("chunked-leftdata", test_chunked_leftdata);
munmap(inputbuf - pagesize * 2, pagesize * 3);
return done_testing();
}