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/*
This file is part of libmicrohttpd
Copyright (C) 2007,2013,2019 Christian Grothoff
libmicrohttpd is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3, or (at your
option) any later version.
libmicrohttpd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with libmicrohttpd; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
/**
* @file test_postprocessor.c
* @brief Testcase for postprocessor
* @author Christian Grothoff
*/
#include "platform.h"
#include "microhttpd.h"
#include "internal.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "mhd_compat.h"
#ifndef WINDOWS
#include <unistd.h>
#endif
/**
* Array of values that the value checker "wants".
* Each series of checks should be terminated by
* five NULL-entries.
*/
const char *want[] = {
#define URL_NOVALUE1_DATA "abc&x=5"
#define URL_NOVALUE1_START 0
"abc", NULL, NULL, NULL, NULL,
"x", NULL, NULL, NULL, "5",
#define URL_NOVALUE1_END (URL_NOVALUE1_START + 10)
#define URL_NOVALUE2_DATA "abc=&x=5"
#define URL_NOVALUE2_START URL_NOVALUE1_END
"abc", NULL, NULL, NULL, "",
"x", NULL, NULL, NULL, "5",
#define URL_NOVALUE2_END (URL_NOVALUE2_START + 10)
#define URL_DATA "abc=def&x=5"
#define URL_START URL_NOVALUE2_END
"abc", NULL, NULL, NULL, "def",
"x", NULL, NULL, NULL, "5",
#define URL_END (URL_START + 10)
NULL, NULL, NULL, NULL, NULL,
#define FORM_DATA \
"--AaB03x\r\ncontent-disposition: form-data; name=\"field1\"\r\n\r\nJoe Blow\r\n--AaB03x\r\ncontent-disposition: form-data; name=\"pics\"; filename=\"file1.txt\"\r\nContent-Type: text/plain\r\nContent-Transfer-Encoding: binary\r\n\r\nfiledata\r\n--AaB03x--\r\n"
#define FORM_START (URL_END + 5)
"field1", NULL, NULL, NULL, "Joe Blow",
"pics", "file1.txt", "text/plain", "binary", "filedata",
#define FORM_END (FORM_START + 10)
NULL, NULL, NULL, NULL, NULL,
#define FORM_NESTED_DATA \
"--AaB03x\r\ncontent-disposition: form-data; name=\"field1\"\r\n\r\nJane Blow\r\n--AaB03x\r\ncontent-disposition: form-data; name=\"pics\"\r\nContent-type: multipart/mixed, boundary=BbC04y\r\n\r\n--BbC04y\r\nContent-disposition: attachment; filename=\"file1.txt\"\r\nContent-Type: text/plain\r\n\r\nfiledata1\r\n--BbC04y\r\nContent-disposition: attachment; filename=\"file2.gif\"\r\nContent-type: image/gif\r\nContent-Transfer-Encoding: binary\r\n\r\nfiledata2\r\n--BbC04y--\r\n--AaB03x--"
#define FORM_NESTED_START (FORM_END + 5)
"field1", NULL, NULL, NULL, "Jane Blow",
"pics", "file1.txt", "text/plain", NULL, "filedata1",
"pics", "file2.gif", "image/gif", "binary", "filedata2",
#define FORM_NESTED_END (FORM_NESTED_START + 15)
NULL, NULL, NULL, NULL, NULL,
#define URL_EMPTY_VALUE_DATA "key1=value1&key2=&key3="
#define URL_EMPTY_VALUE_START (FORM_NESTED_END + 5)
"key1", NULL, NULL, NULL, "value1",
"key2", NULL, NULL, NULL, "",
"key3", NULL, NULL, NULL, "",
#define URL_EMPTY_VALUE_END (URL_EMPTY_VALUE_START + 15)
NULL, NULL, NULL, NULL, NULL
};
static int
mismatch (const char *a, const char *b)
{
if (a == b)
return 0;
if ((a == NULL) || (b == NULL))
return 1;
return 0 != strcmp (a, b);
}
static int
value_checker (void *cls,
enum MHD_ValueKind kind,
const char *key,
const char *filename,
const char *content_type,
const char *transfer_encoding,
const char *data, uint64_t off, size_t size)
{
int *want_off = cls;
int idx = *want_off;
(void) kind; /* Unused. Silent compiler warning. */
#if 0
fprintf (stderr,
"VC: `%s' `%s' `%s' `%s' `%.*s'\n",
key, filename, content_type, transfer_encoding,
(int) size,
data);
#endif
if ( (0 != off) && (0 == size) )
return MHD_YES;
if ((idx < 0) ||
(want[idx] == NULL) ||
(0 != strcmp (key, want[idx])) ||
(mismatch (filename, want[idx + 1])) ||
(mismatch (content_type, want[idx + 2])) ||
(mismatch (transfer_encoding, want[idx + 3])) ||
(0 != memcmp (data, &want[idx + 4][off], size)))
{
*want_off = -1;
fprintf (stderr,
"Failed with: `%s' `%s' `%s' `%s' `%.*s'\n",
key, filename, content_type, transfer_encoding,
(int) size,
data);
fprintf (stderr,
"Unexpected result: %d/%d/%d/%d/%d/%d/%d\n",
(idx < 0),
(want[idx] == NULL),
(0 != strcmp (key, want[idx])),
(mismatch (filename, want[idx + 1])),
(mismatch (content_type, want[idx + 2])),
(mismatch (transfer_encoding, want[idx + 3])),
(0 != memcmp (data, &want[idx + 4][off], size)));
return MHD_NO;
}
if (off + size == strlen (want[idx + 4]))
*want_off = idx + 5;
return MHD_YES;
}
static int
test_urlencoding_case (unsigned int want_start,
unsigned int want_end,
const char *url_data)
{
struct MHD_Connection connection;
struct MHD_HTTP_Header header;
struct MHD_PostProcessor *pp;
unsigned int want_off = want_start;
size_t i;
size_t delta;
size_t size;
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Header));
connection.headers_received = &header;
header.header = MHD_HTTP_HEADER_CONTENT_TYPE;
header.value = MHD_HTTP_POST_ENCODING_FORM_URLENCODED;
header.header_size = MHD_STATICSTR_LEN_ (MHD_HTTP_HEADER_CONTENT_TYPE);
header.value_size = MHD_STATICSTR_LEN_ (
MHD_HTTP_POST_ENCODING_FORM_URLENCODED);
header.kind = MHD_HEADER_KIND;
pp = MHD_create_post_processor (&connection,
1024,
&value_checker,
&want_off);
i = 0;
size = strlen (url_data);
while (i < size)
{
delta = 1 + MHD_random_ () % (size - i);
MHD_post_process (pp,
&url_data[i],
delta);
i += delta;
}
MHD_destroy_post_processor (pp);
if (want_off != want_end)
{
fprintf (stderr,
"Test failed in line %u\n",
(unsigned int) __LINE__);
return 1;
}
return 0;
}
static int
test_urlencoding (void)
{
unsigned int errorCount = 0;
errorCount += test_urlencoding_case (URL_START, URL_END, URL_DATA);
errorCount += test_urlencoding_case (URL_NOVALUE1_START,
URL_NOVALUE1_END,
URL_NOVALUE1_DATA);
errorCount += test_urlencoding_case (URL_NOVALUE2_START,
URL_NOVALUE2_END,
URL_NOVALUE2_DATA);
fprintf (stderr,
"Test failed in line %u with %u errors\n",
(unsigned int) __LINE__,
errorCount);
return errorCount;
}
static int
test_multipart_garbage (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Header header;
struct MHD_PostProcessor *pp;
unsigned int want_off;
size_t size = strlen (FORM_DATA);
size_t splitpoint;
char xdata[size + 3];
/* fill in evil garbage at the beginning */
xdata[0] = '-';
xdata[1] = 'x';
xdata[2] = '\r';
memcpy (&xdata[3], FORM_DATA, size);
size += 3;
for (splitpoint = 1; splitpoint < size; splitpoint++)
{
want_off = FORM_START;
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Header));
connection.headers_received = &header;
header.header = MHD_HTTP_HEADER_CONTENT_TYPE;
header.value =
MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA ", boundary=AaB03x";
header.header_size = MHD_STATICSTR_LEN_ (MHD_HTTP_HEADER_CONTENT_TYPE);
header.value_size = MHD_STATICSTR_LEN_ (
MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA ", boundary=AaB03x");
header.kind = MHD_HEADER_KIND;
pp = MHD_create_post_processor (&connection,
1024, &value_checker, &want_off);
MHD_post_process (pp, xdata, splitpoint);
MHD_post_process (pp, &xdata[splitpoint], size - splitpoint);
MHD_destroy_post_processor (pp);
if (want_off != FORM_END)
{
fprintf (stderr,
"Test failed in line %u at point %d\n",
(unsigned int) __LINE__,
(int) splitpoint);
return (int) splitpoint;
}
}
return 0;
}
static int
test_multipart_splits (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Header header;
struct MHD_PostProcessor *pp;
unsigned int want_off;
size_t size;
size_t splitpoint;
size = strlen (FORM_DATA);
for (splitpoint = 1; splitpoint < size; splitpoint++)
{
want_off = FORM_START;
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Header));
connection.headers_received = &header;
header.header = MHD_HTTP_HEADER_CONTENT_TYPE;
header.value =
MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA ", boundary=AaB03x";
header.header_size = strlen (header.header);
header.value_size = strlen (header.value);
header.kind = MHD_HEADER_KIND;
pp = MHD_create_post_processor (&connection,
1024, &value_checker, &want_off);
MHD_post_process (pp, FORM_DATA, splitpoint);
MHD_post_process (pp, &FORM_DATA[splitpoint], size - splitpoint);
MHD_destroy_post_processor (pp);
if (want_off != FORM_END)
{
fprintf (stderr,
"Test failed in line %u at point %d\n",
(unsigned int) __LINE__,
(int) splitpoint);
return (int) splitpoint;
}
}
return 0;
}
static int
test_multipart (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Header header;
struct MHD_PostProcessor *pp;
unsigned int want_off = FORM_START;
size_t i;
size_t delta;
size_t size;
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Header));
connection.headers_received = &header;
header.header = MHD_HTTP_HEADER_CONTENT_TYPE;
header.value =
MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA ", boundary=AaB03x";
header.kind = MHD_HEADER_KIND;
header.header_size = strlen (header.header);
header.value_size = strlen (header.value);
pp = MHD_create_post_processor (&connection,
1024, &value_checker, &want_off);
i = 0;
size = strlen (FORM_DATA);
while (i < size)
{
delta = 1 + MHD_random_ () % (size - i);
MHD_post_process (pp, &FORM_DATA[i], delta);
i += delta;
}
MHD_destroy_post_processor (pp);
if (want_off != FORM_END)
{
fprintf (stderr,
"Test failed in line %u\n",
(unsigned int) __LINE__);
return 2;
}
return 0;
}
static int
test_nested_multipart (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Header header;
struct MHD_PostProcessor *pp;
unsigned int want_off = FORM_NESTED_START;
size_t i;
size_t delta;
size_t size;
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Header));
connection.headers_received = &header;
header.header = MHD_HTTP_HEADER_CONTENT_TYPE;
header.value =
MHD_HTTP_POST_ENCODING_MULTIPART_FORMDATA ", boundary=AaB03x";
header.kind = MHD_HEADER_KIND;
header.header_size = strlen (header.header);
header.value_size = strlen (header.value);
pp = MHD_create_post_processor (&connection,
1024, &value_checker, &want_off);
i = 0;
size = strlen (FORM_NESTED_DATA);
while (i < size)
{
delta = 1 + MHD_random_ () % (size - i);
MHD_post_process (pp, &FORM_NESTED_DATA[i], delta);
i += delta;
}
MHD_destroy_post_processor (pp);
if (want_off != FORM_NESTED_END)
{
fprintf (stderr,
"Test failed in line %u\n",
(unsigned int) __LINE__);
return 4;
}
return 0;
}
static int
test_empty_value (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Header header;
struct MHD_PostProcessor *pp;
unsigned int want_off = URL_EMPTY_VALUE_START;
size_t i;
size_t delta;
size_t size;
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Header));
connection.headers_received = &header;
header.header = MHD_HTTP_HEADER_CONTENT_TYPE;
header.value = MHD_HTTP_POST_ENCODING_FORM_URLENCODED;
header.header_size = strlen (header.header);
header.value_size = strlen (header.value);
header.kind = MHD_HEADER_KIND;
pp = MHD_create_post_processor (&connection,
1024, &value_checker, &want_off);
i = 0;
size = strlen (URL_EMPTY_VALUE_DATA);
while (i < size)
{
delta = 1 + MHD_random_ () % (size - i);
MHD_post_process (pp, &URL_EMPTY_VALUE_DATA[i], delta);
i += delta;
}
MHD_destroy_post_processor (pp);
if (want_off != URL_EMPTY_VALUE_END)
{
fprintf (stderr,
"Test failed in line %u\n",
(unsigned int) __LINE__);
return 8;
}
return 0;
}
int
main (int argc, char *const *argv)
{
unsigned int errorCount = 0;
(void) argc; (void) argv; /* Unused. Silent compiler warning. */
errorCount += test_multipart_splits ();
errorCount += test_multipart_garbage ();
errorCount += test_urlencoding ();
errorCount += test_multipart ();
errorCount += test_nested_multipart ();
errorCount += test_empty_value ();
if (errorCount != 0)
fprintf (stderr, "Error (code: %u)\n", errorCount);
return errorCount != 0; /* 0 == pass */
}
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