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|
/*
This file is part of libmicrohttpd
Copyright (C) 2010 Christian Grothoff
Copyright (C) 2016-2022 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 2, 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_digest_emu_ext.c
* @brief Testcase for MHD Digest Authorisation client's header parsing
* @author Karlson2k (Evgeny Grin)
*
* libcurl does not support extended notation for username, so this test
* "emulates" client request will all valid fields except nonce, cnonce and
* response (however syntactically these fields valid as well).
*/
#include "MHD_config.h"
#include "platform.h"
#include <curl/curl.h>
#include <microhttpd.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#ifndef WINDOWS
#include <sys/socket.h>
#include <unistd.h>
#else
#include <wincrypt.h>
#endif
#include "mhd_has_param.h"
#include "mhd_has_in_name.h"
#ifndef MHD_STATICSTR_LEN_
/**
* Determine length of static string / macro strings at compile time.
*/
#define MHD_STATICSTR_LEN_(macro) (sizeof(macro) / sizeof(char) - 1)
#endif /* ! MHD_STATICSTR_LEN_ */
#ifndef CURL_VERSION_BITS
#define CURL_VERSION_BITS(x,y,z) ((x)<<16|(y)<<8|(z))
#endif /* ! CURL_VERSION_BITS */
#ifndef CURL_AT_LEAST_VERSION
#define CURL_AT_LEAST_VERSION(x,y,z) \
(LIBCURL_VERSION_NUM >= CURL_VERSION_BITS(x, y, z))
#endif /* ! CURL_AT_LEAST_VERSION */
#ifndef _MHD_INSTRMACRO
/* Quoted macro parameter */
#define _MHD_INSTRMACRO(a) #a
#endif /* ! _MHD_INSTRMACRO */
#ifndef _MHD_STRMACRO
/* Quoted expanded macro parameter */
#define _MHD_STRMACRO(a) _MHD_INSTRMACRO (a)
#endif /* ! _MHD_STRMACRO */
#if defined(HAVE___FUNC__)
#define externalErrorExit(ignore) \
_externalErrorExit_func(NULL, __func__, __LINE__)
#define externalErrorExitDesc(errDesc) \
_externalErrorExit_func(errDesc, __func__, __LINE__)
#define libcurlErrorExit(ignore) \
_libcurlErrorExit_func(NULL, __func__, __LINE__)
#define libcurlErrorExitDesc(errDesc) \
_libcurlErrorExit_func(errDesc, __func__, __LINE__)
#define mhdErrorExit(ignore) \
_mhdErrorExit_func(NULL, __func__, __LINE__)
#define mhdErrorExitDesc(errDesc) \
_mhdErrorExit_func(errDesc, __func__, __LINE__)
#define checkCURLE_OK(libcurlcall) \
_checkCURLE_OK_func((libcurlcall), _MHD_STRMACRO(libcurlcall), \
__func__, __LINE__)
#elif defined(HAVE___FUNCTION__)
#define externalErrorExit(ignore) \
_externalErrorExit_func(NULL, __FUNCTION__, __LINE__)
#define externalErrorExitDesc(errDesc) \
_externalErrorExit_func(errDesc, __FUNCTION__, __LINE__)
#define libcurlErrorExit(ignore) \
_libcurlErrorExit_func(NULL, __FUNCTION__, __LINE__)
#define libcurlErrorExitDesc(errDesc) \
_libcurlErrorExit_func(errDesc, __FUNCTION__, __LINE__)
#define mhdErrorExit(ignore) \
_mhdErrorExit_func(NULL, __FUNCTION__, __LINE__)
#define mhdErrorExitDesc(errDesc) \
_mhdErrorExit_func(errDesc, __FUNCTION__, __LINE__)
#define checkCURLE_OK(libcurlcall) \
_checkCURLE_OK_func((libcurlcall), _MHD_STRMACRO(libcurlcall), \
__FUNCTION__, __LINE__)
#else
#define externalErrorExit(ignore) _externalErrorExit_func(NULL, NULL, __LINE__)
#define externalErrorExitDesc(errDesc) \
_externalErrorExit_func(errDesc, NULL, __LINE__)
#define libcurlErrorExit(ignore) _libcurlErrorExit_func(NULL, NULL, __LINE__)
#define libcurlErrorExitDesc(errDesc) \
_libcurlErrorExit_func(errDesc, NULL, __LINE__)
#define mhdErrorExit(ignore) _mhdErrorExit_func(NULL, NULL, __LINE__)
#define mhdErrorExitDesc(errDesc) _mhdErrorExit_func(errDesc, NULL, __LINE__)
#define checkCURLE_OK(libcurlcall) \
_checkCURLE_OK_func((libcurlcall), _MHD_STRMACRO(libcurlcall), NULL, __LINE__)
#endif
_MHD_NORETURN static void
_externalErrorExit_func (const char *errDesc, const char *funcName, int lineNum)
{
fflush (stdout);
if ((NULL != errDesc) && (0 != errDesc[0]))
fprintf (stderr, "%s", errDesc);
else
fprintf (stderr, "System or external library call failed");
if ((NULL != funcName) && (0 != funcName[0]))
fprintf (stderr, " in %s", funcName);
if (0 < lineNum)
fprintf (stderr, " at line %d", lineNum);
fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
strerror (errno));
#ifdef MHD_WINSOCK_SOCKETS
fprintf (stderr, "WSAGetLastError() value: %d\n", (int) WSAGetLastError ());
#endif /* MHD_WINSOCK_SOCKETS */
fflush (stderr);
exit (99);
}
/* Not actually used in this test */
static char libcurl_errbuf[CURL_ERROR_SIZE] = "";
_MHD_NORETURN static void
_libcurlErrorExit_func (const char *errDesc, const char *funcName, int lineNum)
{
fflush (stdout);
if ((NULL != errDesc) && (0 != errDesc[0]))
fprintf (stderr, "%s", errDesc);
else
fprintf (stderr, "CURL library call failed");
if ((NULL != funcName) && (0 != funcName[0]))
fprintf (stderr, " in %s", funcName);
if (0 < lineNum)
fprintf (stderr, " at line %d", lineNum);
fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
strerror (errno));
#ifdef MHD_WINSOCK_SOCKETS
fprintf (stderr, "WSAGetLastError() value: %d\n", (int) WSAGetLastError ());
#endif /* MHD_WINSOCK_SOCKETS */
if (0 != libcurl_errbuf[0])
fprintf (stderr, "Last libcurl error description: %s\n", libcurl_errbuf);
fflush (stderr);
exit (99);
}
_MHD_NORETURN static void
_mhdErrorExit_func (const char *errDesc, const char *funcName, int lineNum)
{
fflush (stdout);
if ((NULL != errDesc) && (0 != errDesc[0]))
fprintf (stderr, "%s", errDesc);
else
fprintf (stderr, "MHD unexpected error");
if ((NULL != funcName) && (0 != funcName[0]))
fprintf (stderr, " in %s", funcName);
if (0 < lineNum)
fprintf (stderr, " at line %d", lineNum);
fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
strerror (errno));
#ifdef MHD_WINSOCK_SOCKETS
fprintf (stderr, "WSAGetLastError() value: %d\n", (int) WSAGetLastError ());
#endif /* MHD_WINSOCK_SOCKETS */
fflush (stderr);
exit (8);
}
#if 0
/* Function unused in this test */
static void
_checkCURLE_OK_func (CURLcode code, const char *curlFunc,
const char *funcName, int lineNum)
{
if (CURLE_OK == code)
return;
fflush (stdout);
if ((NULL != curlFunc) && (0 != curlFunc[0]))
fprintf (stderr, "'%s' resulted in '%s'", curlFunc,
curl_easy_strerror (code));
else
fprintf (stderr, "libcurl function call resulted in '%s'",
curl_easy_strerror (code));
if ((NULL != funcName) && (0 != funcName[0]))
fprintf (stderr, " in %s", funcName);
if (0 < lineNum)
fprintf (stderr, " at line %d", lineNum);
fprintf (stderr, ".\nLast errno value: %d (%s)\n", (int) errno,
strerror (errno));
if (0 != libcurl_errbuf[0])
fprintf (stderr, "Last libcurl error description: %s\n", libcurl_errbuf);
fflush (stderr);
exit (9);
}
#endif
/* Could be increased to facilitate debugging */
#define TIMEOUTS_VAL 10
#define MHD_URI_BASE_PATH "/bar%20foo?key=value"
#define REALM "TestRealm"
/* "titkos szuperügynök" in UTF-8 */
#define USERNAME "titkos szuper" "\xC3\xBC" "gyn" "\xC3\xB6" "k"
/* percent-encoded username */
#define USERNAME_PCTENC "titkos%20szuper%C3%BCgyn%C3%B6k"
#define PASSWORD_VALUE "fake pass"
#define OPAQUE_VALUE "opaque-content"
#define NONCE_EMU "badbadbadbadbadbadbadbadbadbadbadbadbadbadba"
#define CNONCE_EMU "utututututututututututututututututututututs="
#define RESPONSE_EMU "badbadbadbadbadbadbadbadbadbadba"
#define PAGE \
"<html><head><title>libmicrohttpd demo page</title>" \
"</head><body>Access granted</body></html>"
#define DENIED \
"<html><head><title>libmicrohttpd - Access denied</title>" \
"</head><body>Access denied</body></html>"
struct CBC
{
char *buf;
size_t pos;
size_t size;
};
/* Global parameters */
static int verbose;
static int oldapi;
/* Static helper variables */
struct curl_slist *curl_headers;
static void
test_global_init (void)
{
libcurl_errbuf[0] = 0;
if (0 != curl_global_init (CURL_GLOBAL_WIN32))
externalErrorExit ();
curl_headers = NULL;
curl_headers =
curl_slist_append (curl_headers,
"Authorization: "
"Digest username*=UTF-8''" USERNAME_PCTENC ", "
"realm=\"" REALM "\", "
"nonce=\"" NONCE_EMU "\", "
"uri=\"" MHD_URI_BASE_PATH "\", "
"cnonce=\"" CNONCE_EMU "\", "
"nc=00000001, "
"qop=auth, "
"response=\"" RESPONSE_EMU "\", "
"opaque=\"" OPAQUE_VALUE "\", "
"algorithm=MD5");
if (NULL == curl_headers)
externalErrorExit ();
}
static void
test_global_cleanup (void)
{
curl_slist_free_all (curl_headers);
curl_headers = NULL;
curl_global_cleanup ();
}
static size_t
copyBuffer (void *ptr,
size_t size,
size_t nmemb,
void *ctx)
{
struct CBC *cbc = ctx;
if (cbc->pos + size * nmemb > cbc->size)
mhdErrorExitDesc ("Wrong too large data"); /* overflow */
memcpy (&cbc->buf[cbc->pos], ptr, size * nmemb);
cbc->pos += size * nmemb;
return size * nmemb;
}
static enum MHD_Result
ahc_echo (void *cls,
struct MHD_Connection *connection,
const char *url,
const char *method,
const char *version,
const char *upload_data,
size_t *upload_data_size,
void **req_cls)
{
struct MHD_Response *response;
enum MHD_Result ret;
static int already_called_marker;
(void) cls; (void) url; /* Unused. Silent compiler warning. */
(void) method; (void) version; (void) upload_data; /* Unused. Silent compiler warning. */
(void) upload_data_size; /* Unused. Silent compiler warning. */
if (&already_called_marker != *req_cls)
{ /* Called for the first time, request not fully read yet */
*req_cls = &already_called_marker;
/* Wait for complete request */
return MHD_YES;
}
if (0 != strcmp (method, MHD_HTTP_METHOD_GET))
mhdErrorExitDesc ("Unexpected HTTP method");
if (! oldapi)
{
struct MHD_DigestAuthUsernameInfo *creds;
struct MHD_DigestAuthInfo *dinfo;
enum MHD_DigestAuthResult check_res;
creds = MHD_digest_auth_get_username3 (connection);
if (NULL == creds)
mhdErrorExitDesc ("MHD_digest_auth_get_username3() returned NULL");
else if (MHD_DIGEST_AUTH_UNAME_TYPE_EXTENDED != creds->uname_type)
{
fprintf (stderr, "Unexpected 'uname_type'.\n"
"Expected: %d\tRecieved: %d. ",
(int) MHD_DIGEST_AUTH_UNAME_TYPE_EXTENDED,
(int) creds->uname_type);
mhdErrorExitDesc ("Wrong 'uname_type'");
}
else if (NULL == creds->username)
mhdErrorExitDesc ("'username' is NULL");
else if (creds->username_len != MHD_STATICSTR_LEN_ (USERNAME))
{
fprintf (stderr, "'username_len' does not match.\n"
"Expected: %u\tRecieved: %u. ",
(unsigned) MHD_STATICSTR_LEN_ (USERNAME),
(unsigned) creds->username_len);
mhdErrorExitDesc ("Wrong 'username_len'");
}
else if (0 != memcmp (creds->username, USERNAME, creds->username_len))
{
fprintf (stderr, "'username' does not match.\n"
"Expected: '%s'\tRecieved: '%.*s'. ",
USERNAME,
(int) creds->username_len,
creds->username);
mhdErrorExitDesc ("Wrong 'username'");
}
else if (NULL != creds->userhash_bin)
mhdErrorExitDesc ("'userhash_bin' is NOT NULL");
MHD_free (creds);
dinfo = MHD_digest_auth_get_request_info3 (connection);
if (NULL == dinfo)
mhdErrorExitDesc ("MHD_digest_auth_get_username3() returned NULL");
else if (MHD_DIGEST_AUTH_UNAME_TYPE_EXTENDED != dinfo->uname_type)
{
fprintf (stderr, "Unexpected 'uname_type'.\n"
"Expected: %d\tRecieved: %d. ",
(int) MHD_DIGEST_AUTH_UNAME_TYPE_EXTENDED,
(int) creds->uname_type);
mhdErrorExitDesc ("Wrong 'uname_type'");
}
else if (NULL == dinfo->username)
mhdErrorExitDesc ("'username' is NULL");
else if (dinfo->username_len != MHD_STATICSTR_LEN_ (USERNAME))
{
fprintf (stderr, "'username_len' does not match.\n"
"Expected: %u\tRecieved: %u. ",
(unsigned) MHD_STATICSTR_LEN_ (USERNAME),
(unsigned) dinfo->username_len);
mhdErrorExitDesc ("Wrong 'username_len'");
}
else if (0 != memcmp (dinfo->username, USERNAME, dinfo->username_len))
{
fprintf (stderr, "'username' does not match.\n"
"Expected: '%s'\tRecieved: '%.*s'. ",
USERNAME,
(int) dinfo->username_len,
dinfo->username);
mhdErrorExitDesc ("Wrong 'username'");
}
else if (NULL != dinfo->userhash_bin)
mhdErrorExitDesc ("'userhash_bin' is NOT NULL");
else if (MHD_DIGEST_AUTH_ALGO3_MD5 != dinfo->algo3)
{
fprintf (stderr, "Unexpected 'algo'.\n"
"Expected: %d\tRecieved: %d. ",
(int) MHD_DIGEST_AUTH_ALGO3_MD5,
(int) dinfo->algo3);
mhdErrorExitDesc ("Wrong 'algo'");
}
else if (MHD_STATICSTR_LEN_ (CNONCE_EMU) != dinfo->cnonce_len)
{
fprintf (stderr, "Unexpected 'cnonce_len'.\n"
"Expected: %d\tRecieved: %ld. ",
(int) MHD_STATICSTR_LEN_ (CNONCE_EMU),
(long) dinfo->cnonce_len);
mhdErrorExitDesc ("Wrong 'cnonce_len'");
}
else if (NULL == dinfo->opaque)
mhdErrorExitDesc ("'opaque' is NULL");
else if (dinfo->opaque_len != MHD_STATICSTR_LEN_ (OPAQUE_VALUE))
{
fprintf (stderr, "'opaque_len' does not match.\n"
"Expected: %u\tRecieved: %u. ",
(unsigned) MHD_STATICSTR_LEN_ (OPAQUE_VALUE),
(unsigned) dinfo->opaque_len);
mhdErrorExitDesc ("Wrong 'opaque_len'");
}
else if (0 != memcmp (dinfo->opaque, OPAQUE_VALUE, dinfo->opaque_len))
{
fprintf (stderr, "'opaque' does not match.\n"
"Expected: '%s'\tRecieved: '%.*s'. ",
OPAQUE_VALUE,
(int) dinfo->opaque_len,
dinfo->opaque);
mhdErrorExitDesc ("Wrong 'opaque'");
}
else if (MHD_DIGEST_AUTH_QOP_AUTH != dinfo->qop)
{
fprintf (stderr, "Unexpected 'qop'.\n"
"Expected: %d\tRecieved: %d. ",
(int) MHD_DIGEST_AUTH_QOP_AUTH,
(int) dinfo->qop);
mhdErrorExitDesc ("Wrong 'qop'");
}
else if (NULL == dinfo->realm)
mhdErrorExitDesc ("'realm' is NULL");
else if (dinfo->realm_len != MHD_STATICSTR_LEN_ (REALM))
{
fprintf (stderr, "'realm_len' does not match.\n"
"Expected: %u\tRecieved: %u. ",
(unsigned) MHD_STATICSTR_LEN_ (REALM),
(unsigned) dinfo->realm_len);
mhdErrorExitDesc ("Wrong 'realm_len'");
}
else if (0 != memcmp (dinfo->realm, REALM, dinfo->realm_len))
{
fprintf (stderr, "'realm' does not match.\n"
"Expected: '%s'\tRecieved: '%.*s'. ",
OPAQUE_VALUE,
(int) dinfo->realm_len,
dinfo->realm);
mhdErrorExitDesc ("Wrong 'realm'");
}
MHD_free (dinfo);
check_res = MHD_digest_auth_check3 (connection, REALM, USERNAME,
PASSWORD_VALUE,
50 * TIMEOUTS_VAL,
0, MHD_DIGEST_AUTH_MULT_QOP_AUTH,
MHD_DIGEST_AUTH_MULT_ALGO3_MD5);
switch (check_res)
{
/* Valid results */
case MHD_DAUTH_NONCE_STALE:
if (verbose)
printf ("Got valid auth check result: MHD_DAUTH_NONCE_STALE.\n");
break;
case MHD_DAUTH_NONCE_WRONG:
if (verbose)
printf ("Got valid auth check result: MHD_DAUTH_NONCE_WRONG.\n");
break;
/* Invalid results */
case MHD_DAUTH_OK:
mhdErrorExitDesc ("'MHD_digest_auth_check3()' succeed, " \
"but it should not");
break;
case MHD_DAUTH_ERROR:
externalErrorExitDesc ("General error returned " \
"by 'MHD_digest_auth_check3()'");
break;
case MHD_DAUTH_WRONG_USERNAME:
mhdErrorExitDesc ("MHD_digest_auth_check3()' returned " \
"MHD_DAUTH_WRONG_USERNAME");
break;
case MHD_DAUTH_RESPONSE_WRONG:
mhdErrorExitDesc ("MHD_digest_auth_check3()' returned " \
"MHD_DAUTH_RESPONSE_WRONG");
break;
case MHD_DAUTH_WRONG_HEADER:
case MHD_DAUTH_WRONG_REALM:
case MHD_DAUTH_WRONG_URI:
case MHD_DAUTH_WRONG_QOP:
case MHD_DAUTH_WRONG_ALGO:
case MHD_DAUTH_TOO_LARGE:
fprintf (stderr, "'MHD_digest_auth_check3()' returned "
"unexpected result: %d. ",
check_res);
mhdErrorExitDesc ("Wrong returned code");
break;
default:
fprintf (stderr, "'MHD_digest_auth_check3()' returned "
"impossible result code: %d. ",
check_res);
mhdErrorExitDesc ("Impossible returned code");
}
response =
MHD_create_response_from_buffer_static (MHD_STATICSTR_LEN_ (DENIED),
(const void *) DENIED);
if (NULL == response)
mhdErrorExitDesc ("Response creation failed");
ret = MHD_queue_auth_fail_response2 (connection, REALM, OPAQUE_VALUE,
response, 0, MHD_DIGEST_ALG_MD5);
if (MHD_YES != ret)
mhdErrorExitDesc ("'MHD_queue_auth_fail_response2()' failed");
}
else
{
char *username;
int check_res;
username = MHD_digest_auth_get_username (connection);
if (NULL == username)
mhdErrorExitDesc ("'MHD_digest_auth_get_username()' returned NULL");
else if (0 != strcmp (username, USERNAME))
{
fprintf (stderr, "'username' does not match.\n"
"Expected: '%s'\tRecieved: '%s'. ",
USERNAME,
username);
mhdErrorExitDesc ("Wrong 'username'");
}
MHD_free (username);
check_res = MHD_digest_auth_check (connection, REALM, USERNAME,
PASSWORD_VALUE,
300);
if (MHD_INVALID_NONCE != check_res)
{
fprintf (stderr, "'MHD_digest_auth_check()' returned unexpected"
" result: %d. ", check_res);
mhdErrorExitDesc ("Wrong 'MHD_digest_auth_check()' result");
}
response =
MHD_create_response_from_buffer_static (MHD_STATICSTR_LEN_ (DENIED),
(const void *) DENIED);
if (NULL == response)
mhdErrorExitDesc ("Response creation failed");
ret = MHD_queue_auth_fail_response (connection, REALM, OPAQUE_VALUE,
response, 0);
if (MHD_YES != ret)
mhdErrorExitDesc ("'MHD_queue_auth_fail_response()' failed");
}
MHD_destroy_response (response);
return ret;
}
static CURL *
setupCURL (void *cbc, int port)
{
CURL *c;
char url[512];
if (1)
{
int res;
/* A workaround for some old libcurl versions, which ignore the specified
* port by CURLOPT_PORT when authorisation is used. */
res = snprintf (url, (sizeof(url) / sizeof(url[0])),
"http://127.0.0.1:%d%s", port, MHD_URI_BASE_PATH);
if ((0 >= res) || ((sizeof(url) / sizeof(url[0])) <= (size_t) res))
externalErrorExitDesc ("Cannot form request URL");
}
c = curl_easy_init ();
if (NULL == c)
libcurlErrorExitDesc ("curl_easy_init() failed");
if ((CURLE_OK != curl_easy_setopt (c, CURLOPT_NOSIGNAL, 1L)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_WRITEFUNCTION,
©Buffer)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_WRITEDATA, cbc)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_CONNECTTIMEOUT,
((long) TIMEOUTS_VAL))) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_HTTP_VERSION,
CURL_HTTP_VERSION_1_1)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_TIMEOUT,
((long) TIMEOUTS_VAL))) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_ERRORBUFFER,
libcurl_errbuf)) ||
/* (CURLE_OK != curl_easy_setopt (c, CURLOPT_VERBOSE, 1L)) || */
(CURLE_OK != curl_easy_setopt (c, CURLOPT_FAILONERROR, 0L)) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_HTTPHEADER, curl_headers)) ||
#if CURL_AT_LEAST_VERSION (7, 19, 4)
(CURLE_OK != curl_easy_setopt (c, CURLOPT_PROTOCOLS, CURLPROTO_HTTP)) ||
#endif /* CURL_AT_LEAST_VERSION (7, 19, 4) */
#if CURL_AT_LEAST_VERSION (7, 45, 0)
(CURLE_OK != curl_easy_setopt (c, CURLOPT_DEFAULT_PROTOCOL, "http")) ||
#endif /* CURL_AT_LEAST_VERSION (7, 45, 0) */
(CURLE_OK != curl_easy_setopt (c, CURLOPT_PORT, ((long) port))) ||
(CURLE_OK != curl_easy_setopt (c, CURLOPT_URL, url)))
libcurlErrorExitDesc ("curl_easy_setopt() failed");
return c;
}
static CURLcode
performQueryExternal (struct MHD_Daemon *d, CURL *c)
{
CURLM *multi;
time_t start;
struct timeval tv;
CURLcode ret;
ret = CURLE_FAILED_INIT; /* will be replaced with real result */
multi = NULL;
multi = curl_multi_init ();
if (multi == NULL)
libcurlErrorExitDesc ("curl_multi_init() failed");
if (CURLM_OK != curl_multi_add_handle (multi, c))
libcurlErrorExitDesc ("curl_multi_add_handle() failed");
start = time (NULL);
while (time (NULL) - start <= TIMEOUTS_VAL)
{
fd_set rs;
fd_set ws;
fd_set es;
MHD_socket maxMhdSk;
int maxCurlSk;
int running;
maxMhdSk = MHD_INVALID_SOCKET;
maxCurlSk = -1;
FD_ZERO (&rs);
FD_ZERO (&ws);
FD_ZERO (&es);
if (NULL != multi)
{
curl_multi_perform (multi, &running);
if (0 == running)
{
struct CURLMsg *msg;
int msgLeft;
int totalMsgs = 0;
do
{
msg = curl_multi_info_read (multi, &msgLeft);
if (NULL == msg)
libcurlErrorExitDesc ("curl_multi_info_read() failed");
totalMsgs++;
if (CURLMSG_DONE == msg->msg)
ret = msg->data.result;
} while (msgLeft > 0);
if (1 != totalMsgs)
{
fprintf (stderr,
"curl_multi_info_read returned wrong "
"number of results (%d).\n",
totalMsgs);
externalErrorExit ();
}
curl_multi_remove_handle (multi, c);
curl_multi_cleanup (multi);
multi = NULL;
}
else
{
if (CURLM_OK != curl_multi_fdset (multi, &rs, &ws, &es, &maxCurlSk))
libcurlErrorExitDesc ("curl_multi_fdset() failed");
}
}
if (NULL == multi)
{ /* libcurl has finished, check whether MHD still needs to perform cleanup */
if (0 != MHD_get_timeout64s (d))
break; /* MHD finished as well */
}
if (MHD_YES != MHD_get_fdset (d, &rs, &ws, &es, &maxMhdSk))
mhdErrorExitDesc ("MHD_get_fdset() failed");
tv.tv_sec = 0;
tv.tv_usec = 200000;
#ifdef MHD_POSIX_SOCKETS
if (maxMhdSk > maxCurlSk)
maxCurlSk = maxMhdSk;
#endif /* MHD_POSIX_SOCKETS */
if (-1 == select (maxCurlSk + 1, &rs, &ws, &es, &tv))
{
#ifdef MHD_POSIX_SOCKETS
if (EINTR != errno)
externalErrorExitDesc ("Unexpected select() error");
#else
if ((WSAEINVAL != WSAGetLastError ()) ||
(0 != rs.fd_count) || (0 != ws.fd_count) || (0 != es.fd_count) )
externalErrorExitDesc ("Unexpected select() error");
Sleep (200);
#endif
}
if (MHD_YES != MHD_run_from_select (d, &rs, &ws, &es))
mhdErrorExitDesc ("MHD_run_from_select() failed");
}
return ret;
}
/**
* Check request result
* @param curl_code the CURL easy return code
* @param pcbc the pointer struct CBC
* @return non-zero if success, zero if failed
*/
static unsigned int
check_result (CURLcode curl_code, CURL *c, struct CBC *pcbc)
{
long code;
if (CURLE_OK != curl_easy_getinfo (c, CURLINFO_RESPONSE_CODE, &code))
libcurlErrorExit ();
if (401 != code)
{
fprintf (stderr, "Request returned wrong code: %ld.\n",
code);
return 0;
}
if (CURLE_OK != curl_code)
{
fflush (stdout);
if (0 != libcurl_errbuf[0])
fprintf (stderr, "Request failed. "
"libcurl error: '%s'.\n"
"libcurl error description: '%s'.\n",
curl_easy_strerror (curl_code),
libcurl_errbuf);
else
fprintf (stderr, "Request failed. "
"libcurl error: '%s'.\n",
curl_easy_strerror (curl_code));
fflush (stderr);
return 0;
}
if (pcbc->pos != strlen (DENIED))
{
fprintf (stderr, "Got %u bytes ('%.*s'), expected %u bytes. ",
(unsigned) pcbc->pos, (int) pcbc->pos, pcbc->buf,
(unsigned) strlen (DENIED));
mhdErrorExitDesc ("Wrong returned data length");
}
if (0 != memcmp (DENIED, pcbc->buf, pcbc->pos))
{
fprintf (stderr, "Got invalid response '%.*s'. ",
(int) pcbc->pos, pcbc->buf);
mhdErrorExitDesc ("Wrong returned data");
}
return 1;
}
static unsigned int
testDigestAuthEmu (void)
{
struct MHD_Daemon *d;
uint16_t port;
struct CBC cbc;
char buf[2048];
CURL *c;
int failed = 0;
if (MHD_NO != MHD_is_feature_supported (MHD_FEATURE_AUTODETECT_BIND_PORT))
port = 0;
else
port = 4210;
d = MHD_start_daemon (MHD_USE_ERROR_LOG,
port, NULL, NULL,
&ahc_echo, NULL,
MHD_OPTION_END);
if (d == NULL)
return 1;
if (0 == port)
{
const union MHD_DaemonInfo *dinfo;
dinfo = MHD_get_daemon_info (d,
MHD_DAEMON_INFO_BIND_PORT);
if ( (NULL == dinfo) ||
(0 == dinfo->port) )
mhdErrorExitDesc ("MHD_get_daemon_info() failed");
port = (uint16_t) dinfo->port;
}
/* First request */
cbc.buf = buf;
cbc.size = sizeof (buf);
cbc.pos = 0;
memset (cbc.buf, 0, cbc.size);
c = setupCURL (&cbc, port);
if (check_result (performQueryExternal (d, c), c, &cbc))
{
if (verbose)
printf ("Got expected response.\n");
}
else
{
fprintf (stderr, "Request FAILED.\n");
failed = 1;
}
curl_easy_cleanup (c);
MHD_stop_daemon (d);
return failed ? 1 : 0;
}
int
main (int argc, char *const *argv)
{
unsigned int errorCount = 0;
(void) argc; (void) argv; /* Unused. Silent compiler warning. */
verbose = ! (has_param (argc, argv, "-q") ||
has_param (argc, argv, "--quiet") ||
has_param (argc, argv, "-s") ||
has_param (argc, argv, "--silent"));
oldapi = has_in_name (argv[0], "_oldapi");
test_global_init ();
errorCount += testDigestAuthEmu ();
if (errorCount != 0)
fprintf (stderr, "Error (code: %u)\n", errorCount);
test_global_cleanup ();
return (0 == errorCount) ? 0 : 1; /* 0 == pass */
}
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