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libmicrohttpd/src/microhttpd/test_postprocessor.c
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/*
This file is part of libmicrohttpd
Copyright (C) 2007, 2013, 2019, 2020 Christian Grothoff
Copyright (C) 2021 Evgeny Grin (Karlson2k)
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
* @author Karlson2k (Evgeny Grin)
*/
#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
#ifndef MHD_DEBUG_PP
#define MHD_DEBUG_PP 0
#endif /* MHD_DEBUG_PP */
struct expResult
{
const char *key;
const char *fname;
const char *cnt_type;
const char *tr_enc;
const char *data;
};
/**
* Array of values that the value checker "wants".
* Each series of checks should be terminated by
* five NULL-entries.
*/
static struct expResult exp_results[] = {
#define URL_NOVALUE1_DATA "abc&x=5"
#define URL_NOVALUE1_START 0
{"abc", NULL, NULL, NULL, /* NULL */ ""}, /* change after API update */
{"x", NULL, NULL, NULL, "5"},
#define URL_NOVALUE1_END (URL_NOVALUE1_START + 2)
#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 + 2)
#define URL_NOVALUE3_DATA "xyz="
#define URL_NOVALUE3_START URL_NOVALUE2_END
{"xyz", NULL, NULL, NULL, ""},
#define URL_NOVALUE3_END (URL_NOVALUE3_START + 1)
#define URL_NOVALUE4_DATA "xyz"
#define URL_NOVALUE4_START URL_NOVALUE3_END
{"xyz", NULL, NULL, NULL, /* NULL */ ""}, /* change after API update */
#define URL_NOVALUE4_END (URL_NOVALUE4_START + 1)
#define URL_DATA "abc=def&x=5"
#define URL_START URL_NOVALUE4_END
{"abc", NULL, NULL, NULL, "def"},
{"x", NULL, NULL, NULL, "5"},
#define URL_END (URL_START + 2)
#define URL_ENC_DATA "space=%20&key%201=&crlf=%0D%0a&mix%09ed=%2001%0d%0A"
#define URL_ENC_START URL_END
{"space", NULL, NULL, NULL, " "},
{"key 1", NULL, NULL, NULL, ""},
{"crlf", NULL, NULL, NULL, "\r\n"},
{"mix\ted", NULL, NULL, NULL, " 01\r\n"},
#define URL_ENC_END (URL_ENC_START + 4)
{NULL, NULL, NULL, NULL, NULL},
#define FORM_DATA \
"--AaB03x\r\ncontent-disposition: form-data; name=\"field1\"\r\n\r\n" \
"Joe Blow\r\n--AaB03x\r\ncontent-disposition: form-data; name=\"pics\";" \
" filename=\"file1.txt\"\r\nContent-Type: text/plain\r\n" \
"Content-Transfer-Encoding: binary\r\n\r\nfiledata\r\n--AaB03x--\r\n"
#define FORM_START (URL_ENC_END + 1)
{"field1", NULL, NULL, NULL, "Joe Blow"},
{"pics", "file1.txt", "text/plain", "binary", "filedata"},
#define FORM_END (FORM_START + 2)
{NULL, NULL, NULL, NULL, NULL},
#define FORM_NESTED_DATA \
"--AaB03x\r\ncontent-disposition: form-data; name=\"field1\"\r\n\r\n" \
"Jane Blow\r\n--AaB03x\r\ncontent-disposition: form-data; name=\"pics\"\r\n" \
"Content-type: multipart/mixed, boundary=BbC04y\r\n\r\n--BbC04y\r\n" \
"Content-disposition: attachment; filename=\"file1.txt\"\r\n" \
"Content-Type: text/plain\r\n\r\nfiledata1\r\n--BbC04y\r\n" \
"Content-disposition: attachment; filename=\"file2.gif\"\r\n" \
"Content-type: image/gif\r\nContent-Transfer-Encoding: binary\r\n\r\n" \
"filedata2\r\n--BbC04y--\r\n--AaB03x--"
#define FORM_NESTED_START (FORM_END + 1)
{"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 + 3)
{NULL, NULL, NULL, NULL, NULL},
#define URL_EMPTY_VALUE_DATA "key1=value1&key2=&key3="
#define URL_EMPTY_VALUE_START (FORM_NESTED_END + 1)
{"key1", NULL, NULL, NULL, "value1"},
{"key2", NULL, NULL, NULL, ""},
{"key3", NULL, NULL, NULL, ""},
#define URL_EMPTY_VALUE_END (URL_EMPTY_VALUE_START + 3)
{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
mismatch2 (const char *data, const char *expected, size_t offset, size_t size)
{
if (data == expected)
return 0;
if ((data == NULL) || (expected == NULL))
return 1;
return 0 != memcmp (data, expected + offset, size);
}
static enum MHD_Result
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)
{
unsigned int *idxp = cls;
struct expResult *expect = exp_results + *idxp;
(void) kind; /* Unused. Silent compiler warning. */
#if MHD_DEBUG_PP
fprintf (stderr,
"VC: `%s' `%s' `%s' `%s' (+%u)`%.*s' (%d)\n",
key ? key : "(NULL)",
filename ? filename : "(NULL)",
content_type ? content_type : "(NULL)",
transfer_encoding ? transfer_encoding : "(NULL)",
(unsigned int) off,
(int) (data ? size : 6),
data ? data : "(NULL)",
(int) size);
#endif
if (*idxp == (unsigned int) -1)
exit (99);
if ( (0 != off) && (0 == size) )
{
if (NULL == expect->data)
*idxp += 1;
return MHD_YES;
}
if ((expect->key == NULL) ||
(0 != strcmp (key, expect->key)) ||
(mismatch (filename, expect->fname)) ||
(mismatch (content_type, expect->cnt_type)) ||
(mismatch (transfer_encoding, expect->tr_enc)) ||
(mismatch2 (data, expect->data, off, size)))
{
*idxp = (unsigned int) -1;
fprintf (stderr,
"Failed with: `%s' `%s' `%s' `%s' `%.*s'\n",
key ? key : "(NULL)",
filename ? filename : "(NULL)",
content_type ? content_type : "(NULL)",
transfer_encoding ? transfer_encoding : "(NULL)",
(int) (data ? size : 6),
data ? data : "(NULL)");
fprintf (stderr,
"Wanted: `%s' `%s' `%s' `%s' `%s'\n",
expect->key ? expect->key : "(NULL)",
expect->fname ? expect->fname : "(NULL)",
expect->cnt_type ? expect->cnt_type : "(NULL)",
expect->tr_enc ? expect->tr_enc : "(NULL)",
expect->data ? expect->data : "(NULL)");
fprintf (stderr,
"Unexpected result: %d/%d/%d/%d/%d/%d\n",
(expect->key == NULL),
(NULL != expect->key) && (0 != strcmp (key, expect->key)),
(mismatch (filename, expect->fname)),
(mismatch (content_type, expect->cnt_type)),
(mismatch (transfer_encoding, expect->tr_enc)),
(mismatch2 (data, expect->data, off, size)));
return MHD_NO;
}
if ( ( (NULL == expect->data) &&
(0 == off + size) ) ||
( (NULL != expect->data) &&
(off + size == strlen (expect->data)) ) )
*idxp += 1;
return MHD_YES;
}
static unsigned int
test_urlencoding_case (unsigned int want_start,
unsigned int want_end,
const char *url_data)
{
size_t step;
unsigned int errors = 0;
const size_t size = strlen (url_data);
for (step = 1; size >= step; ++step)
{
struct MHD_Connection connection;
struct MHD_HTTP_Req_Header header;
struct MHD_PostProcessor *pp;
unsigned int want_off = want_start;
size_t i;
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Res_Header));
connection.rq.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);
if (NULL == pp)
{
fprintf (stderr, "Failed to create post processor.\n"
"Line: %u\n", (unsigned int) __LINE__);
exit (50);
}
for (i = 0; size > i; i += step)
{
size_t left = size - i;
if (MHD_YES != MHD_post_process (pp,
&url_data[i],
(left > step) ? step : left))
{
fprintf (stderr, "Failed to process the data.\n"
"i: %u. step: %u.\n"
"Line: %u\n", (unsigned) i, (unsigned) step,
(unsigned int) __LINE__);
exit (49);
}
}
MHD_destroy_post_processor (pp);
if (want_off != want_end)
{
fprintf (stderr,
"Test failed in line %u.\tStep: %u.\tData: \"%s\"\n" \
" Got: %u\tExpected: %u\n",
(unsigned int) __LINE__,
(unsigned int) step,
url_data,
want_off,
want_end);
errors++;
}
}
return errors;
}
static unsigned int
test_urlencoding (void)
{
unsigned int errorCount = 0;
errorCount += test_urlencoding_case (URL_START,
URL_END,
URL_DATA);
errorCount += test_urlencoding_case (URL_ENC_START,
URL_ENC_END,
URL_ENC_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);
errorCount += test_urlencoding_case (URL_NOVALUE3_START,
URL_NOVALUE3_END,
URL_NOVALUE3_DATA);
errorCount += test_urlencoding_case (URL_NOVALUE4_START,
URL_NOVALUE4_START, /* No advance */
URL_NOVALUE4_DATA);
errorCount += test_urlencoding_case (URL_EMPTY_VALUE_START,
URL_EMPTY_VALUE_END,
URL_EMPTY_VALUE_DATA);
errorCount += test_urlencoding_case (URL_START,
URL_END,
URL_DATA "\n");
errorCount += test_urlencoding_case (URL_ENC_START,
URL_ENC_END,
URL_ENC_DATA "\n");
errorCount += test_urlencoding_case (URL_NOVALUE1_START,
URL_NOVALUE1_END,
URL_NOVALUE1_DATA "\n");
errorCount += test_urlencoding_case (URL_NOVALUE2_START,
URL_NOVALUE2_END,
URL_NOVALUE2_DATA "\n");
errorCount += test_urlencoding_case (URL_NOVALUE3_START,
URL_NOVALUE3_END,
URL_NOVALUE3_DATA "\n");
errorCount += test_urlencoding_case (URL_NOVALUE4_START,
URL_NOVALUE4_END, /* With advance */
URL_NOVALUE4_DATA "\n");
errorCount += test_urlencoding_case (URL_EMPTY_VALUE_START,
URL_EMPTY_VALUE_END,
URL_EMPTY_VALUE_DATA "\n");
errorCount += test_urlencoding_case (URL_START,
URL_END,
"&&" URL_DATA);
errorCount += test_urlencoding_case (URL_ENC_START,
URL_ENC_END,
"&&" URL_ENC_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);
errorCount += test_urlencoding_case (URL_NOVALUE3_START,
URL_NOVALUE3_END,
"&&" URL_NOVALUE3_DATA);
errorCount += test_urlencoding_case (URL_NOVALUE4_START,
URL_NOVALUE4_START, /* No advance */
"&&" URL_NOVALUE4_DATA);
errorCount += test_urlencoding_case (URL_EMPTY_VALUE_START,
URL_EMPTY_VALUE_END,
"&&" URL_EMPTY_VALUE_DATA);
if (0 != errorCount)
fprintf (stderr,
"Test failed in line %u with %u errors\n",
(unsigned int) __LINE__,
errorCount);
return errorCount;
}
static unsigned int
test_multipart_garbage (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Req_Header header;
struct MHD_PostProcessor *pp;
unsigned int want_off;
size_t size = MHD_STATICSTR_LEN_ (FORM_DATA);
size_t splitpoint;
char xdata[MHD_STATICSTR_LEN_ (FORM_DATA) + 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_Res_Header));
connection.rq.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);
if (NULL == pp)
{
fprintf (stderr, "Failed to create post processor.\n"
"Line: %u\n", (unsigned int) __LINE__);
exit (50);
}
if (MHD_YES != MHD_post_process (pp, xdata, splitpoint))
{
fprintf (stderr,
"Test failed in line %u at point %d\n",
(unsigned int) __LINE__,
(int) splitpoint);
exit (49);
}
if (MHD_YES != MHD_post_process (pp, &xdata[splitpoint], size - splitpoint))
{
fprintf (stderr,
"Test failed in line %u at point %u\n",
(unsigned int) __LINE__,
(unsigned int) splitpoint);
exit (49);
}
MHD_destroy_post_processor (pp);
if (want_off != FORM_END)
{
fprintf (stderr,
"Test failed in line %u at point %u\n",
(unsigned int) __LINE__,
(unsigned int) splitpoint);
return (unsigned int) splitpoint;
}
}
return 0;
}
static unsigned int
test_multipart_splits (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Req_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_Res_Header));
connection.rq.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);
if (NULL == pp)
{
fprintf (stderr, "Failed to create post processor.\n"
"Line: %u\n", (unsigned int) __LINE__);
exit (50);
}
if (MHD_YES != MHD_post_process (pp, FORM_DATA, splitpoint))
{
fprintf (stderr,
"Test failed in line %u at point %d\n",
(unsigned int) __LINE__,
(int) splitpoint);
exit (49);
}
if (MHD_YES != MHD_post_process (pp, &FORM_DATA[splitpoint],
size - splitpoint))
{
fprintf (stderr,
"Test failed in line %u at point %u\n",
(unsigned int) __LINE__,
(unsigned int) splitpoint);
exit (49);
}
MHD_destroy_post_processor (pp);
if (want_off != FORM_END)
{
fprintf (stderr,
"Test failed in line %u at point %u\n",
(unsigned int) __LINE__,
(unsigned int) splitpoint);
return (unsigned int) splitpoint;
}
}
return 0;
}
static unsigned int
test_multipart (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Req_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_Res_Header));
connection.rq.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);
if (NULL == pp)
{
fprintf (stderr, "Failed to create post processor.\n"
"Line: %u\n", (unsigned int) __LINE__);
exit (50);
}
i = 0;
size = strlen (FORM_DATA);
while (i < size)
{
delta = 1 + ((size_t) MHD_random_ ()) % (size - i);
if (MHD_YES != MHD_post_process (pp,
&FORM_DATA[i],
delta))
{
fprintf (stderr, "Failed to process the data.\n"
"i: %u. delta: %u.\n"
"Line: %u\n", (unsigned) i, (unsigned) delta,
(unsigned int) __LINE__);
exit (49);
}
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 unsigned int
test_nested_multipart (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Req_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_Res_Header));
connection.rq.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);
if (NULL == pp)
{
fprintf (stderr, "Failed to create post processor.\n"
"Line: %u\n", (unsigned int) __LINE__);
exit (50);
}
i = 0;
size = strlen (FORM_NESTED_DATA);
while (i < size)
{
delta = 1 + ((size_t) MHD_random_ ()) % (size - i);
if (MHD_YES != MHD_post_process (pp,
&FORM_NESTED_DATA[i],
delta))
{
fprintf (stderr, "Failed to process the data.\n"
"i: %u. delta: %u.\n"
"Line: %u\n", (unsigned) i, (unsigned) delta,
(unsigned int) __LINE__);
exit (49);
}
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 enum MHD_Result
value_checker2 (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)
{
(void) cls; (void) kind; (void) key; /* Mute compiler warnings */
(void) filename; (void) content_type; (void) transfer_encoding;
(void) data; (void) off; (void) size;
return MHD_YES;
}
static unsigned int
test_overflow (void)
{
struct MHD_Connection connection;
struct MHD_HTTP_Req_Header header;
struct MHD_PostProcessor *pp;
size_t i;
size_t j;
size_t delta;
char *buf;
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Res_Header));
connection.rq.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;
for (i = 128; i < 1024 * 1024; i += 1024)
{
pp = MHD_create_post_processor (&connection,
1024,
&value_checker2,
NULL);
if (NULL == pp)
{
fprintf (stderr, "Failed to create post processor.\n"
"Line: %u\n", (unsigned int) __LINE__);
exit (50);
}
buf = malloc (i);
if (NULL == buf)
return 1;
memset (buf, 'A', i);
buf[i / 2] = '=';
delta = 1 + (((size_t) MHD_random_ ()) % (i - 1));
j = 0;
while (j < i)
{
if (j + delta > i)
delta = i - j;
if (MHD_NO ==
MHD_post_process (pp,
&buf[j],
delta))
break;
j += delta;
}
free (buf);
MHD_destroy_post_processor (pp);
}
return 0;
}
static unsigned int
test_empty_key (void)
{
const char form_data[] = "=abcdef";
size_t step;
const size_t size = MHD_STATICSTR_LEN_ (form_data);
for (step = 1; size >= step; ++step)
{
size_t i;
struct MHD_Connection connection;
struct MHD_HTTP_Req_Header header;
struct MHD_PostProcessor *pp;
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Res_Header));
connection.rq.headers_received = &header;
connection.rq.headers_received_tail = &header;
header.header = MHD_HTTP_HEADER_CONTENT_TYPE;
header.header_size = MHD_STATICSTR_LEN_ (MHD_HTTP_HEADER_CONTENT_TYPE);
header.value = MHD_HTTP_POST_ENCODING_FORM_URLENCODED;
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_checker2, NULL);
if (NULL == pp)
{
fprintf (stderr, "Failed to create post processor.\n"
"Line: %u\n", (unsigned int) __LINE__);
exit (50);
}
for (i = 0; size > i; i += step)
{
if (MHD_NO != MHD_post_process (pp,
form_data + i,
(step > size - i) ? (size - i) : step))
{
fprintf (stderr, "Succeed to process the broken data.\n"
"i: %u. step: %u.\n"
"Line: %u\n", (unsigned) i, (unsigned) step,
(unsigned int) __LINE__);
exit (49);
}
}
MHD_destroy_post_processor (pp);
}
return 0;
}
static unsigned int
test_double_value (void)
{
const char form_data[] = URL_DATA "=abcdef";
size_t step;
const size_t size = MHD_STATICSTR_LEN_ (form_data);
const size_t safe_size = MHD_STATICSTR_LEN_ (URL_DATA);
for (step = 1; size >= step; ++step)
{
size_t i;
struct MHD_Connection connection;
struct MHD_HTTP_Req_Header header;
struct MHD_PostProcessor *pp;
unsigned int results_off = URL_START;
unsigned int results_final = results_off + 1; /* First value is correct */
memset (&connection, 0, sizeof (struct MHD_Connection));
memset (&header, 0, sizeof (struct MHD_HTTP_Res_Header));
connection.rq.headers_received = &header;
connection.rq.headers_received_tail = &header;
header.header = MHD_HTTP_HEADER_CONTENT_TYPE;
header.header_size = MHD_STATICSTR_LEN_ (MHD_HTTP_HEADER_CONTENT_TYPE);
header.value = MHD_HTTP_POST_ENCODING_FORM_URLENCODED;
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, &results_off);
if (NULL == pp)
{
fprintf (stderr, "Failed to create post processor.\n"
"Line: %u\n", (unsigned int) __LINE__);
exit (50);
}
for (i = 0; size > i; i += step)
{
if (MHD_NO != MHD_post_process (pp,
form_data + i,
(step > size - i) ? (size - i) : step))
{
if (safe_size == i + step)
results_final = URL_END;
if (safe_size < i + step)
{
fprintf (stderr, "Succeed to process the broken data.\n"
"i: %u. step: %u.\n"
"Line: %u\n", (unsigned) i, (unsigned) step,
(unsigned int) __LINE__);
exit (49);
}
}
else
{
if (safe_size >= i + step)
{
fprintf (stderr, "Failed to process the data.\n"
"i: %u. step: %u.\n"
"Line: %u\n", (unsigned) i, (unsigned) step,
(unsigned int) __LINE__);
exit (49);
}
}
}
MHD_destroy_post_processor (pp);
if (results_final != results_off)
{
fprintf (stderr,
"Test failed in line %u.\tStep:%u\n Got: %u\tExpected: %u\n",
(unsigned int) __LINE__,
(unsigned int) step,
results_off,
results_final);
return 1;
}
}
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_key ();
errorCount += test_double_value ();
errorCount += test_overflow ();
if (errorCount != 0)
fprintf (stderr, "Error (code: %u)\n", errorCount);
return (errorCount == 0) ? 0 : 1; /* 0 == pass */
}
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