commit 40bf201dc53465be1d2805039ef5963a21e44c08
parent 1aaff72582b6093f0dcf8c187d125e5fca2d2e8b
Author: Christian Grothoff <christian@grothoff.org>
Date: Mon, 29 Jul 2019 19:23:35 +0200
indentation fixes, adding test_upgrade_large.c test for issue reported by Viet
Diffstat:
5 files changed, 1513 insertions(+), 131 deletions(-)
diff --git a/src/microhttpd/.gitignore b/src/microhttpd/.gitignore
@@ -57,3 +57,5 @@ test_shutdown_poll
test_shutdown_select
test_md5
test_sha256
+test_upgrade_large
+test_upgrade_large_tls
diff --git a/src/microhttpd/Makefile.am b/src/microhttpd/Makefile.am
@@ -165,17 +165,17 @@ check_PROGRAMS = \
if HAVE_POSIX_THREADS
if ENABLE_UPGRADE
if USE_POSIX_THREADS
- check_PROGRAMS += test_upgrade
+ check_PROGRAMS += test_upgrade test_upgrade_large
endif
if USE_W32_THREADS
- check_PROGRAMS += test_upgrade
+ check_PROGRAMS += test_upgrade test_upgrade_large
endif
if ENABLE_HTTPS
if USE_POSIX_THREADS
-check_PROGRAMS += test_upgrade_tls
+check_PROGRAMS += test_upgrade_tls test_upgrade_large_tls
endif
if USE_W32_THREADS
-check_PROGRAMS += test_upgrade_tls
+check_PROGRAMS += test_upgrade_tls test_upgrade_large_tls
endif
endif
endif
@@ -230,6 +230,19 @@ test_upgrade_LDADD = \
$(MHD_TLS_LIB_LDFLAGS) $(MHD_TLS_LIBDEPS) \
$(PTHREAD_LIBS)
+test_upgrade_large_SOURCES = \
+ test_upgrade_large.c test_helpers.h mhd_sockets.h
+test_upgrade_large_CPPFLAGS = \
+ $(AM_CPPFLAGS) $(MHD_TLS_LIB_CPPFLAGS)
+test_upgrade_large_CFLAGS = \
+ $(AM_CFLAGS) $(PTHREAD_CFLAGS) $(MHD_TLS_LIB_CFLAGS)
+test_upgrade_large_LDFLAGS = \
+ $(MHD_TLS_LIB_LDFLAGS)
+test_upgrade_large_LDADD = \
+ $(top_builddir)/src/microhttpd/libmicrohttpd.la \
+ $(MHD_TLS_LIB_LDFLAGS) $(MHD_TLS_LIBDEPS) \
+ $(PTHREAD_LIBS)
+
test_upgrade_tls_SOURCES = \
test_upgrade.c test_helpers.h mhd_sockets.h
test_upgrade_tls_CPPFLAGS = \
@@ -243,6 +256,19 @@ test_upgrade_tls_LDADD = \
$(MHD_TLS_LIB_LDFLAGS) $(MHD_TLS_LIBDEPS) \
$(PTHREAD_LIBS)
+test_upgrade_large_tls_SOURCES = \
+ test_upgrade_large.c test_helpers.h mhd_sockets.h
+test_upgrade_large_tls_CPPFLAGS = \
+ $(AM_CPPFLAGS) $(MHD_TLS_LIB_CPPFLAGS)
+test_upgrade_large_tls_CFLAGS = \
+ $(AM_CFLAGS) $(PTHREAD_CFLAGS) $(MHD_TLS_LIB_CFLAGS)
+test_upgrade_large_tls_LDFLAGS = \
+ $(MHD_TLS_LIB_LDFLAGS)
+test_upgrade_large_tls_LDADD = \
+ $(top_builddir)/src/microhttpd/libmicrohttpd.la \
+ $(MHD_TLS_LIB_LDFLAGS) $(MHD_TLS_LIBDEPS) \
+ $(PTHREAD_LIBS)
+
test_postprocessor_SOURCES = \
test_postprocessor.c
test_postprocessor_CPPFLAGS = \
diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c
@@ -4178,28 +4178,29 @@ run_epoll_for_upgrade (struct MHD_Daemon *daemon)
struct MHD_UpgradeResponseHandle * prev;
num_events = MAX_EVENTS;
- while (MAX_EVENTS == num_events)
+ while (0 != num_events)
{
unsigned int i;
/* update event masks */
num_events = epoll_wait (daemon->epoll_upgrade_fd,
- events,
+ events,
MAX_EVENTS,
0);
if (-1 == num_events)
- {
+ {
const int err = MHD_socket_get_error_ ();
+
if (MHD_SCKT_ERR_IS_EINTR_ (err))
- return MHD_YES;
+ return MHD_YES;
#ifdef HAVE_MESSAGES
MHD_DLOG (daemon,
_("Call to epoll_wait failed: %s\n"),
MHD_socket_strerr_ (err));
#endif
- return MHD_NO;
- }
+ return MHD_NO;
+ }
for (i = 0; i < (unsigned int) num_events; i++)
- {
+ {
struct UpgradeEpollHandle * const ueh = events[i].data.ptr;
struct MHD_UpgradeResponseHandle * const urh = ueh->urh;
bool new_err_state = false;
@@ -4217,24 +4218,24 @@ run_epoll_for_upgrade (struct MHD_Daemon *daemon)
if ( (0 == (ueh->celi & MHD_EPOLL_STATE_ERROR)) &&
(0 != (events[i].events & (EPOLLERR | EPOLLPRI))) )
- {
+ {
/* Process new error state only one time
* and avoid continuously marking this connection
* as 'ready'. */
ueh->celi |= MHD_EPOLL_STATE_ERROR;
new_err_state = true;
- }
+ }
if (! urh->in_eready_list)
{
if (new_err_state ||
- is_urh_ready(urh))
- {
- EDLL_insert (daemon->eready_urh_head,
- daemon->eready_urh_tail,
- urh);
- urh->in_eready_list = true;
- }
+ is_urh_ready(urh))
+ {
+ EDLL_insert (daemon->eready_urh_head,
+ daemon->eready_urh_tail,
+ urh);
+ urh->in_eready_list = true;
+ }
}
}
}
@@ -4246,8 +4247,8 @@ run_epoll_for_upgrade (struct MHD_Daemon *daemon)
if (! is_urh_ready(pos))
{
EDLL_remove (daemon->eready_urh_head,
- daemon->eready_urh_tail,
- pos);
+ daemon->eready_urh_tail,
+ pos);
pos->in_eready_list = false;
}
/* Finished forwarding? */
@@ -4287,7 +4288,7 @@ static const char * const epoll_itc_marker = "itc_marker";
*/
static int
MHD_epoll (struct MHD_Daemon *daemon,
- int may_block)
+ int may_block)
{
#if defined(HTTPS_SUPPORT) && defined(UPGRADE_SUPPORT)
static const char * const upgrade_marker = "upgrade_ptr";
@@ -4302,7 +4303,7 @@ MHD_epoll (struct MHD_Daemon *daemon,
unsigned int i;
MHD_socket ls;
#if defined(HTTPS_SUPPORT) && defined(UPGRADE_SUPPORT)
- int run_upgraded = MHD_NO;
+ bool run_upgraded = false;
#endif /* HTTPS_SUPPORT && UPGRADE_SUPPORT */
if (-1 == daemon->epoll_fd)
@@ -4318,31 +4319,31 @@ MHD_epoll (struct MHD_Daemon *daemon,
event.events = EPOLLIN;
event.data.ptr = daemon;
if (0 != epoll_ctl (daemon->epoll_fd,
- EPOLL_CTL_ADD,
- ls,
- &event))
- {
+ EPOLL_CTL_ADD,
+ ls,
+ &event))
+ {
#ifdef HAVE_MESSAGES
MHD_DLOG (daemon,
_("Call to epoll_ctl failed: %s\n"),
MHD_socket_last_strerr_ ());
#endif
- return MHD_NO;
- }
+ return MHD_NO;
+ }
daemon->listen_socket_in_epoll = true;
}
if ( (daemon->was_quiesced) &&
(daemon->listen_socket_in_epoll) )
- {
- if ( (0 != epoll_ctl (daemon->epoll_fd,
- EPOLL_CTL_DEL,
- ls,
- NULL)) &&
- (ENOENT != errno) ) /* ENOENT can happen due to race with
- #MHD_quiesce_daemon() */
- MHD_PANIC ("Failed to remove listen FD from epoll set\n");
- daemon->listen_socket_in_epoll = false;
- }
+ {
+ if ( (0 != epoll_ctl (daemon->epoll_fd,
+ EPOLL_CTL_DEL,
+ ls,
+ NULL)) &&
+ (ENOENT != errno) ) /* ENOENT can happen due to race with
+ #MHD_quiesce_daemon() */
+ MHD_PANIC ("Failed to remove listen FD from epoll set\n");
+ daemon->listen_socket_in_epoll = false;
+ }
#if defined(HTTPS_SUPPORT) && defined(UPGRADE_SUPPORT)
if ( (! daemon->upgrade_fd_in_epoll) &&
@@ -4351,17 +4352,17 @@ MHD_epoll (struct MHD_Daemon *daemon,
event.events = EPOLLIN | EPOLLOUT;
event.data.ptr = (void *) upgrade_marker;
if (0 != epoll_ctl (daemon->epoll_fd,
- EPOLL_CTL_ADD,
- daemon->epoll_upgrade_fd,
- &event))
- {
+ EPOLL_CTL_ADD,
+ daemon->epoll_upgrade_fd,
+ &event))
+ {
#ifdef HAVE_MESSAGES
MHD_DLOG (daemon,
_("Call to epoll_ctl failed: %s\n"),
MHD_socket_last_strerr_ ());
#endif
- return MHD_NO;
- }
+ return MHD_NO;
+ }
daemon->upgrade_fd_in_epoll = true;
}
#endif /* HTTPS_SUPPORT && UPGRADE_SUPPORT */
@@ -4373,10 +4374,10 @@ MHD_epoll (struct MHD_Daemon *daemon,
/* we're at the connection limit, disable listen socket
for event loop for now */
if (0 != epoll_ctl (daemon->epoll_fd,
- EPOLL_CTL_DEL,
- ls,
- NULL))
- MHD_PANIC (_("Failed to remove listen FD from epoll set\n"));
+ EPOLL_CTL_DEL,
+ ls,
+ NULL))
+ MHD_PANIC (_("Failed to remove listen FD from epoll set\n"));
daemon->listen_socket_in_epoll = false;
}
@@ -4388,14 +4389,14 @@ MHD_epoll (struct MHD_Daemon *daemon,
{
if (MHD_YES == MHD_get_timeout (daemon,
&timeout_ll))
- {
- if (timeout_ll >= (MHD_UNSIGNED_LONG_LONG) INT_MAX)
- timeout_ms = INT_MAX;
- else
- timeout_ms = (int) timeout_ll;
- }
+ {
+ if (timeout_ll >= (MHD_UNSIGNED_LONG_LONG) INT_MAX)
+ timeout_ms = INT_MAX;
+ else
+ timeout_ms = (int) timeout_ll;
+ }
else
- timeout_ms = -1;
+ timeout_ms = -1;
}
else
timeout_ms = 0;
@@ -4414,33 +4415,33 @@ MHD_epoll (struct MHD_Daemon *daemon,
{
/* update event masks */
num_events = epoll_wait (daemon->epoll_fd,
- events,
+ events,
MAX_EVENTS,
timeout_ms);
if (-1 == num_events)
- {
+ {
const int err = MHD_socket_get_error_ ();
if (MHD_SCKT_ERR_IS_EINTR_ (err))
- return MHD_YES;
+ return MHD_YES;
#ifdef HAVE_MESSAGES
MHD_DLOG (daemon,
_("Call to epoll_wait failed: %s\n"),
MHD_socket_strerr_ (err));
#endif
- return MHD_NO;
- }
+ return MHD_NO;
+ }
for (i=0;i<(unsigned int) num_events;i++)
- {
+ {
/* First, check for the values of `ptr` that would indicate
that this event is not about a normal connection. */
- if (NULL == events[i].data.ptr)
- continue; /* shutdown signal! */
+ if (NULL == events[i].data.ptr)
+ continue; /* shutdown signal! */
#if defined(HTTPS_SUPPORT) && defined(UPGRADE_SUPPORT)
if (upgrade_marker == events[i].data.ptr)
{
/* activity on an upgraded connection, we process
those in a separate epoll() */
- run_upgraded = MHD_YES;
+ run_upgraded = true;
continue;
}
#endif /* HTTPS_SUPPORT && UPGRADE_SUPPORT */
@@ -4451,8 +4452,8 @@ MHD_epoll (struct MHD_Daemon *daemon,
MHD_itc_clear_ (daemon->itc);
continue;
}
- if (daemon == events[i].data.ptr)
- {
+ if (daemon == events[i].data.ptr)
+ {
/* Check for error conditions on listen socket. */
/* FIXME: Initiate MHD_quiesce_daemon() to prevent busy waiting? */
if (0 == (events[i].events & (EPOLLERR | EPOLLHUP)))
@@ -4467,9 +4468,9 @@ MHD_epoll (struct MHD_Daemon *daemon,
(daemon->connections < daemon->connection_limit) &&
(! daemon->at_limit) )
series_length++;
- }
+ }
continue;
- }
+ }
/* this is an event relating to a 'normal' connection,
remember the event and if appropriate mark the
connection as 'eready'. */
@@ -4518,7 +4519,7 @@ MHD_epoll (struct MHD_Daemon *daemon,
}
#if defined(HTTPS_SUPPORT) && defined(UPGRADE_SUPPORT)
- if (MHD_YES == run_upgraded)
+ if (run_upgraded)
run_epoll_for_upgrade (daemon);
#endif /* HTTPS_SUPPORT && UPGRADE_SUPPORT */
@@ -4606,22 +4607,22 @@ MHD_run (struct MHD_Daemon *daemon)
(0 != (daemon->options & MHD_USE_INTERNAL_POLLING_THREAD)) )
return MHD_NO;
if (0 != (daemon->options & MHD_USE_POLL))
- {
- MHD_poll (daemon, MHD_NO);
- MHD_cleanup_connections (daemon);
- }
+ {
+ MHD_poll (daemon, MHD_NO);
+ MHD_cleanup_connections (daemon);
+ }
#ifdef EPOLL_SUPPORT
else if (0 != (daemon->options & MHD_USE_EPOLL))
- {
- MHD_epoll (daemon, MHD_NO);
- MHD_cleanup_connections (daemon);
- }
+ {
+ MHD_epoll (daemon, MHD_NO);
+ MHD_cleanup_connections (daemon);
+ }
#endif
else
- {
- MHD_select (daemon, MHD_NO);
- /* MHD_select does MHD_cleanup_connections already */
- }
+ {
+ MHD_select (daemon, MHD_NO);
+ /* MHD_select does MHD_cleanup_connections already */
+ }
return MHD_YES;
}
@@ -6494,10 +6495,10 @@ thread_failed:
if (daemon->upgrade_fd_in_epoll)
{
if (0 != epoll_ctl (daemon->epoll_fd,
- EPOLL_CTL_DEL,
- daemon->epoll_upgrade_fd,
- NULL))
- MHD_PANIC (_("Failed to remove FD from epoll set\n"));
+ EPOLL_CTL_DEL,
+ daemon->epoll_upgrade_fd,
+ NULL))
+ MHD_PANIC (_("Failed to remove FD from epoll set\n"));
daemon->upgrade_fd_in_epoll = false;
}
#endif /* HTTPS_SUPPORT && UPGRADE_SUPPORT */
diff --git a/src/microhttpd/response.c b/src/microhttpd/response.c
@@ -80,9 +80,9 @@
*/
static int
add_response_entry (struct MHD_Response *response,
- enum MHD_ValueKind kind,
- const char *header,
- const char *content)
+ enum MHD_ValueKind kind,
+ const char *header,
+ const char *content)
{
struct MHD_HTTP_Header *hdr;
@@ -195,7 +195,7 @@ MHD_add_response_footer (struct MHD_Response *response,
int
MHD_del_response_header (struct MHD_Response *response,
const char *header,
- const char *content)
+ const char *content)
{
struct MHD_HTTP_Header *pos;
struct MHD_HTTP_Header *prev;
@@ -280,7 +280,7 @@ MHD_get_response_headers (struct MHD_Response *response,
*/
const char *
MHD_get_response_header (struct MHD_Response *response,
- const char *key)
+ const char *key)
{
struct MHD_HTTP_Header *pos;
size_t key_size;
@@ -558,8 +558,8 @@ free_callback (void *cls)
*/
struct MHD_Response *
MHD_create_response_from_fd_at_offset (size_t size,
- int fd,
- off_t offset)
+ int fd,
+ off_t offset)
{
return MHD_create_response_from_fd_at_offset64 (size,
fd,
@@ -627,7 +627,7 @@ MHD_create_response_from_fd_at_offset64 (uint64_t size,
*/
struct MHD_Response *
MHD_create_response_from_fd (size_t size,
- int fd)
+ int fd)
{
return MHD_create_response_from_fd_at_offset64 (size,
fd,
@@ -732,8 +732,8 @@ MHD_create_response_from_data (size_t size,
*/
struct MHD_Response *
MHD_create_response_from_buffer (size_t size,
- void *buffer,
- enum MHD_ResponseMemoryMode mode)
+ void *buffer,
+ enum MHD_ResponseMemoryMode mode)
{
return MHD_create_response_from_data (size,
buffer,
@@ -754,15 +754,15 @@ MHD_create_response_from_buffer (size_t size,
*/
_MHD_EXTERN struct MHD_Response *
MHD_create_response_from_buffer_with_free_callback (size_t size,
- void *buffer,
- MHD_ContentReaderFreeCallback crfc)
+ void *buffer,
+ MHD_ContentReaderFreeCallback crfc)
{
struct MHD_Response *r;
r = MHD_create_response_from_data (size,
- buffer,
- MHD_YES,
- MHD_NO);
+ buffer,
+ MHD_YES,
+ MHD_NO);
if (NULL == r)
return r;
r->crfc = crfc;
@@ -997,17 +997,17 @@ MHD_response_execute_upgrade_ (struct MHD_Response *response,
EPOLL_CTL_ADD,
connection->socket_fd,
&event))
- {
+ {
#ifdef HAVE_MESSAGES
- MHD_DLOG (daemon,
- _("Call to epoll_ctl failed: %s\n"),
- MHD_socket_last_strerr_ ());
+ MHD_DLOG (daemon,
+ _("Call to epoll_ctl failed: %s\n"),
+ MHD_socket_last_strerr_ ());
#endif
- MHD_socket_close_chk_ (sv[0]);
- MHD_socket_close_chk_ (sv[1]);
- free (urh);
- return MHD_NO;
- }
+ MHD_socket_close_chk_ (sv[0]);
+ MHD_socket_close_chk_ (sv[1]);
+ free (urh);
+ return MHD_NO;
+ }
/* Second, add our end of the UNIX socketpair() */
event.events = EPOLLIN | EPOLLOUT | EPOLLPRI | EPOLLET;
@@ -1016,28 +1016,28 @@ MHD_response_execute_upgrade_ (struct MHD_Response *response,
EPOLL_CTL_ADD,
urh->mhd.socket,
&event))
- {
- event.events = EPOLLIN | EPOLLOUT | EPOLLPRI;
- event.data.ptr = &urh->app;
- if (0 != epoll_ctl (daemon->epoll_upgrade_fd,
- EPOLL_CTL_DEL,
- connection->socket_fd,
- &event))
- MHD_PANIC (_("Error cleaning up while handling epoll error"));
+ {
+ event.events = EPOLLIN | EPOLLOUT | EPOLLPRI;
+ event.data.ptr = &urh->app;
+ if (0 != epoll_ctl (daemon->epoll_upgrade_fd,
+ EPOLL_CTL_DEL,
+ connection->socket_fd,
+ &event))
+ MHD_PANIC (_("Error cleaning up while handling epoll error"));
#ifdef HAVE_MESSAGES
- MHD_DLOG (daemon,
- _("Call to epoll_ctl failed: %s\n"),
- MHD_socket_last_strerr_ ());
+ MHD_DLOG (daemon,
+ _("Call to epoll_ctl failed: %s\n"),
+ MHD_socket_last_strerr_ ());
#endif
- MHD_socket_close_chk_ (sv[0]);
- MHD_socket_close_chk_ (sv[1]);
- free (urh);
- return MHD_NO;
- }
- EDLL_insert (daemon->eready_urh_head,
- daemon->eready_urh_tail,
- urh);
- urh->in_eready_list = true;
+ MHD_socket_close_chk_ (sv[0]);
+ MHD_socket_close_chk_ (sv[1]);
+ free (urh);
+ return MHD_NO;
+ }
+ EDLL_insert (daemon->eready_urh_head,
+ daemon->eready_urh_tail,
+ urh);
+ urh->in_eready_list = true;
}
#endif /* EPOLL_SUPPORT */
if (0 == (daemon->options & MHD_USE_THREAD_PER_CONNECTION) )
diff --git a/src/microhttpd/test_upgrade_large.c b/src/microhttpd/test_upgrade_large.c
@@ -0,0 +1,1353 @@
+/*
+ This file is part of libmicrohttpd
+ Copyright (C) 2016, 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_upgrade_large.c
+ * @brief Testcase for libmicrohttpd upgrading a connection,
+ * modified to test the "large" corner case reported
+ * by Viet on the mailinglist in 6'2019
+ * @author Christian Grothoff
+ * @author Karlson2k (Evgeny Grin)
+ */
+
+#include "mhd_options.h"
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <pthread.h>
+#include <stdlib.h>
+#include <stddef.h>
+#ifndef WINDOWS
+#include <unistd.h>
+#endif
+#ifdef HAVE_STDBOOL_H
+#include <stdbool.h>
+#endif /* HAVE_STDBOOL_H */
+
+#include "mhd_sockets.h"
+#ifdef HAVE_NETINET_IP_H
+#include <netinet/ip.h>
+#endif /* HAVE_NETINET_IP_H */
+
+#include "platform.h"
+#include "microhttpd.h"
+
+#include "test_helpers.h"
+
+#define LARGE_STRING "HelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHelloHello"
+
+#define LARGE_REPLY_STRING "WorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorldWorld"
+
+#ifdef HTTPS_SUPPORT
+#include <gnutls/gnutls.h>
+#include "../testcurl/https/tls_test_keys.h"
+
+#if defined(HAVE_FORK) && defined(HAVE_WAITPID)
+#include <sys/types.h>
+#include <sys/wait.h>
+#endif /* HAVE_FORK && HAVE_WAITPID */
+#endif /* HTTPS_SUPPORT */
+
+static int verbose = 0;
+
+enum tls_tool
+{
+ TLS_CLI_NO_TOOL = 0,
+ TLS_CLI_GNUTLS,
+ TLS_CLI_OPENSSL,
+ TLS_LIB_GNUTLS
+};
+
+enum tls_tool use_tls_tool;
+
+#if defined(HTTPS_SUPPORT) && defined(HAVE_FORK) && defined(HAVE_WAITPID)
+/**
+ * Fork child that connects via GnuTLS-CLI to our @a port. Allows us to
+ * talk to our port over a socket in @a sp without having to worry
+ * about TLS.
+ *
+ * @param location where the socket is returned
+ * @return -1 on error, otherwise PID of TLS child process
+ */
+static pid_t
+gnutlscli_connect (int *sock,
+ uint16_t port)
+{
+ pid_t chld;
+ int sp[2];
+ char destination[30];
+
+ if (0 != socketpair (AF_UNIX,
+ SOCK_STREAM,
+ 0,
+ sp))
+ return -1;
+ chld = fork ();
+ if (0 != chld)
+ {
+ *sock = sp[1];
+ MHD_socket_close_chk_ (sp[0]);
+ return chld;
+ }
+ MHD_socket_close_chk_ (sp[1]);
+ (void) close (0);
+ (void) close (1);
+ if (-1 == dup2 (sp[0], 0))
+ abort ();
+ if (-1 == dup2 (sp[0], 1))
+ abort ();
+ MHD_socket_close_chk_ (sp[0]);
+ if (TLS_CLI_GNUTLS == use_tls_tool)
+ {
+ snprintf (destination,
+ sizeof(destination),
+ "%u",
+ (unsigned int) port);
+ execlp ("gnutls-cli",
+ "gnutls-cli",
+ "--insecure",
+ "-p",
+ destination,
+ "127.0.0.1",
+ (char *) NULL);
+ }
+ else if (TLS_CLI_OPENSSL == use_tls_tool)
+ {
+ snprintf (destination,
+ sizeof(destination),
+ "127.0.0.1:%u",
+ (unsigned int) port);
+ execlp ("openssl",
+ "openssl",
+ "s_client",
+ "-connect",
+ destination,
+ "-verify",
+ "1",
+ (char *) NULL);
+ }
+ _exit (1);
+}
+#endif /* HTTPS_SUPPORT && HAVE_FORK && HAVE_WAITPID */
+
+
+/**
+ * Wrapper structure for plain&TLS sockets
+ */
+struct wr_socket
+{
+ /**
+ * Real network socket
+ */
+ MHD_socket fd;
+
+ /**
+ * Type of this socket
+ */
+ enum wr_type
+ {
+ wr_invalid = 0,
+ wr_plain = 1,
+ wr_tls = 2
+ } t;
+#ifdef HTTPS_SUPPORT
+ /**
+ * TLS credentials
+ */
+ gnutls_certificate_credentials_t tls_crd;
+
+ /**
+ * TLS session.
+ */
+ gnutls_session_t tls_s;
+
+ /**
+ * TLS handshake already succeed?
+ */
+ bool tls_connected;
+#endif
+};
+
+
+/**
+ * Get underlying real socket.
+ * @return FD of real socket
+ */
+#define wr_fd(s) ((s)->fd)
+
+
+/**
+ * Create wr_socket with plain TCP underlying socket
+ * @return created socket on success, NULL otherwise
+ */
+static struct wr_socket *
+wr_create_plain_sckt(void)
+{
+ struct wr_socket *s = malloc(sizeof(struct wr_socket));
+ if (NULL == s)
+ return NULL;
+ s->t = wr_plain;
+ s->fd = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (MHD_INVALID_SOCKET != s->fd)
+ return s;
+ free(s);
+ return NULL;
+}
+
+
+/**
+ * Create wr_socket with TLS TCP underlying socket
+ * @return created socket on success, NULL otherwise
+ */
+static struct wr_socket *
+wr_create_tls_sckt(void)
+{
+#ifdef HTTPS_SUPPORT
+ struct wr_socket *s = malloc(sizeof(struct wr_socket));
+ if (NULL == s)
+ return NULL;
+ s->t = wr_tls;
+ s->tls_connected = 0;
+ s->fd = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (MHD_INVALID_SOCKET != s->fd)
+ {
+ if (GNUTLS_E_SUCCESS == gnutls_init (&(s->tls_s), GNUTLS_CLIENT))
+ {
+ if (GNUTLS_E_SUCCESS == gnutls_set_default_priority (s->tls_s))
+ {
+ if (GNUTLS_E_SUCCESS == gnutls_certificate_allocate_credentials (&(s->tls_crd)))
+ {
+ if (GNUTLS_E_SUCCESS == gnutls_credentials_set (s->tls_s, GNUTLS_CRD_CERTIFICATE, s->tls_crd))
+ {
+#if GNUTLS_VERSION_NUMBER+0 >= 0x030109
+ gnutls_transport_set_int (s->tls_s, (int)(s->fd));
+#else /* GnuTLS before 3.1.9 */
+ gnutls_transport_set_ptr (s->tls_s, (gnutls_transport_ptr_t)(intptr_t)(s->fd));
+#endif /* GnuTLS before 3.1.9 */
+ return s;
+ }
+ gnutls_certificate_free_credentials (s->tls_crd);
+ }
+ }
+ gnutls_deinit (s->tls_s);
+ }
+ (void)MHD_socket_close_ (s->fd);
+ }
+ free(s);
+#endif /* HTTPS_SUPPORT */
+ return NULL;
+}
+
+
+/**
+ * Create wr_socket with plain TCP underlying socket
+ * from already created TCP socket.
+ * @param plain_sk real TCP socket
+ * @return created socket on success, NULL otherwise
+ */
+static struct wr_socket *
+wr_create_from_plain_sckt(MHD_socket plain_sk)
+{
+ struct wr_socket *s = malloc(sizeof(struct wr_socket));
+
+ if (NULL == s)
+ return NULL;
+ s->t = wr_plain;
+ s->fd = plain_sk;
+ return s;
+}
+
+
+/**
+ * Connect socket to specified address.
+ * @param s socket to use
+ * @param addr address to connect
+ * @param length of sturcture pointed by @a addr
+ * @return zero on success, -1 otherwise.
+ */
+static int
+wr_connect(struct wr_socket *s,
+ const struct sockaddr *addr,
+ int length)
+{
+ if (0 != connect (s->fd, addr, length))
+ return -1;
+ if (wr_plain == s->t)
+ return 0;
+#ifdef HTTPS_SUPPORT
+ if (wr_tls == s->t)
+ {
+ /* Do not try handshake here as
+ * it require processing on MHD side and
+ * when testing with "external" polling,
+ * test will call MHD processing only
+ * after return from wr_connect(). */
+ s->tls_connected = 0;
+ return 0;
+ }
+#endif /* HTTPS_SUPPORT */
+ return -1;
+}
+
+#ifdef HTTPS_SUPPORT
+/* Only to be called from wr_send() and wr_recv() ! */
+static bool
+wr_handshake(struct wr_socket *s)
+{
+ int res = gnutls_handshake (s->tls_s);
+ if (GNUTLS_E_SUCCESS == res)
+ s->tls_connected = true;
+ else if (GNUTLS_E_AGAIN == res)
+ MHD_socket_set_error_ (MHD_SCKT_EAGAIN_);
+ else
+ MHD_socket_set_error_ (MHD_SCKT_ECONNABORTED_); /* hard error */
+ return s->tls_connected;
+}
+#endif /* HTTPS_SUPPORT */
+
+
+/**
+ * Send data to remote by socket.
+ * @param s the socket to use
+ * @param buf the buffer with data to send
+ * @param len the length of data in @a buf
+ * @return number of bytes were sent if succeed,
+ * -1 if failed. Use #MHD_socket_get_error_()
+ * to get socket error.
+ */
+static ssize_t
+wr_send (struct wr_socket *s,
+ const void *buf,
+ size_t len)
+{
+ if (wr_plain == s->t)
+ return MHD_send_(s->fd, buf, len);
+#ifdef HTTPS_SUPPORT
+ if (wr_tls == s->t)
+ {
+ ssize_t ret;
+ if (!s->tls_connected && !wr_handshake (s))
+ return -1;
+
+ ret = gnutls_record_send (s->tls_s, buf, len);
+ if (ret > 0)
+ return ret;
+ if (GNUTLS_E_AGAIN == ret)
+ MHD_socket_set_error_ (MHD_SCKT_EAGAIN_);
+ else
+ MHD_socket_set_error_ (MHD_SCKT_ECONNABORTED_); /* hard error */
+ }
+#endif /* HTTPS_SUPPORT */
+ return -1;
+}
+
+
+/**
+ * Receive data from remote by socket.
+ * @param s the socket to use
+ * @param buf the buffer to store received data
+ * @param len the length of @a buf
+ * @return number of bytes were received if succeed,
+ * -1 if failed. Use #MHD_socket_get_error_()
+ * to get socket error.
+ */
+static ssize_t
+wr_recv (struct wr_socket *s,
+ void *buf,
+ size_t len)
+{
+ if (wr_plain == s->t)
+ return MHD_recv_ (s->fd, buf, len);
+#ifdef HTTPS_SUPPORT
+ if (wr_tls == s->t)
+ {
+ ssize_t ret;
+ if (!s->tls_connected && !wr_handshake (s))
+ return -1;
+
+ ret = gnutls_record_recv (s->tls_s, buf, len);
+ if (ret > 0)
+ return ret;
+ if (GNUTLS_E_AGAIN == ret)
+ MHD_socket_set_error_ (MHD_SCKT_EAGAIN_);
+ else
+ MHD_socket_set_error_ (MHD_SCKT_ECONNABORTED_); /* hard error */
+ }
+#endif /* HTTPS_SUPPORT */
+ return -1;
+}
+
+
+/**
+ * Close socket and release allocated resourced
+ * @param s the socket to close
+ * @return zero on succeed, -1 otherwise
+ */
+static int
+wr_close (struct wr_socket *s)
+{
+ int ret = (MHD_socket_close_(s->fd)) ? 0 : -1;
+#ifdef HTTPS_SUPPORT
+ if (wr_tls == s->t)
+ {
+ gnutls_deinit (s->tls_s);
+ gnutls_certificate_free_credentials (s->tls_crd);
+ }
+#endif /* HTTPS_SUPPORT */
+ free (s);
+ return ret;
+}
+
+
+/**
+ * Thread we use to run the interaction with the upgraded socket.
+ */
+static pthread_t pt;
+
+/**
+ * Will be set to the upgraded socket.
+ */
+static struct wr_socket *usock;
+
+/**
+ * Thread we use to run the interaction with the upgraded socket.
+ */
+static pthread_t pt_client;
+
+/**
+ * Flag set to 1 once the test is finished.
+ */
+static volatile bool done;
+
+
+/**
+ * Callback used by MHD to notify the application about completed
+ * requests. Frees memory.
+ *
+ * @param cls client-defined closure
+ * @param connection connection handle
+ * @param con_cls value as set by the last call to
+ * the #MHD_AccessHandlerCallback
+ * @param toe reason for request termination
+ */
+static void
+notify_completed_cb (void *cls,
+ struct MHD_Connection *connection,
+ void **con_cls,
+ enum MHD_RequestTerminationCode toe)
+{
+ pthread_t* ppth = *con_cls;
+
+ (void) cls;
+ (void) connection; /* Unused. Silent compiler warning. */
+ if ( (toe != MHD_REQUEST_TERMINATED_COMPLETED_OK) &&
+ (toe != MHD_REQUEST_TERMINATED_CLIENT_ABORT) &&
+ (toe != MHD_REQUEST_TERMINATED_DAEMON_SHUTDOWN) )
+ abort ();
+ if (! pthread_equal (**((pthread_t**)con_cls),
+ pthread_self ()))
+ abort ();
+ if (NULL != ppth)
+ free (*con_cls);
+ *con_cls = NULL;
+}
+
+
+/**
+ * Logging callback.
+ *
+ * @param cls logging closure (NULL)
+ * @param uri access URI
+ * @param connection connection handle
+ * @return #TEST_PTR
+ */
+static void *
+log_cb (void *cls,
+ const char *uri,
+ struct MHD_Connection *connection)
+{
+ pthread_t *ppth;
+
+ (void) cls;
+ (void) connection; /* Unused. Silent compiler warning. */
+ if (0 != strcmp (uri,
+ "/"))
+ abort ();
+ ppth = malloc (sizeof (pthread_t));
+ if (NULL == ppth)
+ abort();
+ *ppth = pthread_self ();
+ return (void *) ppth;
+}
+
+
+/**
+ * Function to check that MHD properly notifies about starting
+ * and stopping.
+ *
+ * @param cls client-defined closure
+ * @param connection connection handle
+ * @param socket_context socket-specific pointer where the
+ * client can associate some state specific
+ * to the TCP connection; note that this is
+ * different from the "con_cls" which is per
+ * HTTP request. The client can initialize
+ * during #MHD_CONNECTION_NOTIFY_STARTED and
+ * cleanup during #MHD_CONNECTION_NOTIFY_CLOSED
+ * and access in the meantime using
+ * #MHD_CONNECTION_INFO_SOCKET_CONTEXT.
+ * @param toe reason for connection notification
+ * @see #MHD_OPTION_NOTIFY_CONNECTION
+ * @ingroup request
+ */
+static void
+notify_connection_cb (void *cls,
+ struct MHD_Connection *connection,
+ void **socket_context,
+ enum MHD_ConnectionNotificationCode toe)
+{
+ static int started;
+
+ (void) cls;
+ (void) connection; /* Unused. Silent compiler warning. */
+ switch (toe)
+ {
+ case MHD_CONNECTION_NOTIFY_STARTED:
+ if (MHD_NO != started)
+ abort ();
+ started = MHD_YES;
+ *socket_context = &started;
+ break;
+ case MHD_CONNECTION_NOTIFY_CLOSED:
+ if (MHD_YES != started)
+ abort ();
+ if (&started != *socket_context)
+ abort ();
+ *socket_context = NULL;
+ started = MHD_NO;
+ break;
+ }
+}
+
+
+/**
+ * Change socket to blocking.
+ *
+ * @param fd the socket to manipulate
+ * @return non-zero if succeeded, zero otherwise
+ */
+static void
+make_blocking (MHD_socket fd)
+{
+#if defined(MHD_POSIX_SOCKETS)
+ int flags;
+
+ flags = fcntl (fd, F_GETFL);
+ if (-1 == flags)
+ return;
+ if ((flags & ~O_NONBLOCK) != flags)
+ if (-1 == fcntl (fd, F_SETFL, flags & ~O_NONBLOCK))
+ abort ();
+#elif defined(MHD_WINSOCK_SOCKETS)
+ unsigned long flags = 1;
+
+ ioctlsocket (fd, FIONBIO, &flags);
+#endif /* MHD_WINSOCK_SOCKETS */
+
+}
+
+
+static void
+send_all (struct wr_socket *sock,
+ const char *text)
+{
+ size_t len = strlen (text);
+ ssize_t ret;
+ size_t off;
+
+ make_blocking (wr_fd (sock));
+ for (off = 0; off < len; off += ret)
+ {
+ ret = wr_send (sock,
+ &text[off],
+ len - off);
+ if (0 > ret)
+ {
+ if (MHD_SCKT_ERR_IS_EAGAIN_ (MHD_socket_get_error_ ()))
+ {
+ ret = 0;
+ continue;
+ }
+ abort ();
+ }
+ }
+}
+
+
+/**
+ * Read character-by-character until we
+ * get '\r\n\r\n'.
+ */
+static void
+recv_hdr (struct wr_socket *sock)
+{
+ unsigned int i;
+ char next;
+ char c;
+ ssize_t ret;
+
+ make_blocking (wr_fd (sock));
+ next = '\r';
+ i = 0;
+ while (i < 4)
+ {
+ ret = wr_recv (sock,
+ &c,
+ 1);
+ if (0 > ret)
+ {
+ if (MHD_SCKT_ERR_IS_EAGAIN_ (MHD_socket_get_error_ ()))
+ continue;
+ abort ();
+ }
+ if (0 == ret)
+ continue;
+ if (c == next)
+ {
+ i++;
+ if (next == '\r')
+ next = '\n';
+ else
+ next = '\r';
+ continue;
+ }
+ if (c == '\r')
+ {
+ i = 1;
+ next = '\n';
+ continue;
+ }
+ i = 0;
+ next = '\r';
+ }
+}
+
+
+static void
+recv_all (struct wr_socket *sock,
+ const char *text)
+{
+ size_t len = strlen (text);
+ char buf[len];
+ ssize_t ret;
+ size_t off;
+
+ make_blocking (wr_fd (sock));
+ for (off = 0; off < len; off += ret)
+ {
+ ret = wr_recv (sock,
+ &buf[off],
+ len - off);
+ if (0 > ret)
+ {
+ if (MHD_SCKT_ERR_IS_EAGAIN_ (MHD_socket_get_error_ ()))
+ {
+ ret = 0;
+ continue;
+ }
+ abort ();
+ }
+ }
+ if (0 != strncmp (text, buf, len))
+ abort();
+}
+
+
+/**
+ * Main function for the thread that runs the interaction with
+ * the upgraded socket.
+ *
+ * @param cls the handle for the upgrade
+ */
+static void *
+run_usock (void *cls)
+{
+ struct MHD_UpgradeResponseHandle *urh = cls;
+
+ send_all (usock,
+ LARGE_STRING);
+ recv_all (usock,
+ LARGE_REPLY_STRING);
+ send_all (usock,
+ "Finished");
+ MHD_upgrade_action (urh,
+ MHD_UPGRADE_ACTION_CLOSE);
+ free (usock);
+ usock = NULL;
+ return NULL;
+}
+
+
+/**
+ * Main function for the thread that runs the client-side of the
+ * interaction with the upgraded socket.
+ *
+ * @param cls the client socket
+ */
+static void *
+run_usock_client (void *cls)
+{
+ struct wr_socket *sock = cls;
+
+ send_all (sock,
+ "GET / HTTP/1.1\r\nConnection: Upgrade\r\n\r\n");
+ recv_hdr (sock);
+ recv_all (sock,
+ LARGE_STRING);
+ send_all (sock,
+ LARGE_REPLY_STRING);
+ recv_all (sock,
+ "Finished");
+ wr_close (sock);
+ done = true;
+ return NULL;
+}
+
+
+/**
+ * Function called after a protocol "upgrade" response was sent
+ * successfully and the socket should now be controlled by some
+ * protocol other than HTTP.
+ *
+ * Any data already received on the socket will be made available in
+ * @e extra_in. This can happen if the application sent extra data
+ * before MHD send the upgrade response. The application should
+ * treat data from @a extra_in as if it had read it from the socket.
+ *
+ * Note that the application must not close() @a sock directly,
+ * but instead use #MHD_upgrade_action() for special operations
+ * on @a sock.
+ *
+ * Except when in 'thread-per-connection' mode, implementations
+ * of this function should never block (as it will still be called
+ * from within the main event loop).
+ *
+ * @param cls closure, whatever was given to #MHD_create_response_for_upgrade().
+ * @param connection original HTTP connection handle,
+ * giving the function a last chance
+ * to inspect the original HTTP request
+ * @param con_cls last value left in `con_cls` of the `MHD_AccessHandlerCallback`
+ * @param extra_in if we happened to have read bytes after the
+ * HTTP header already (because the client sent
+ * more than the HTTP header of the request before
+ * we sent the upgrade response),
+ * these are the extra bytes already read from @a sock
+ * by MHD. The application should treat these as if
+ * it had read them from @a sock.
+ * @param extra_in_size number of bytes in @a extra_in
+ * @param sock socket to use for bi-directional communication
+ * with the client. For HTTPS, this may not be a socket
+ * that is directly connected to the client and thus certain
+ * operations (TCP-specific setsockopt(), getsockopt(), etc.)
+ * may not work as expected (as the socket could be from a
+ * socketpair() or a TCP-loopback). The application is expected
+ * to perform read()/recv() and write()/send() calls on the socket.
+ * The application may also call shutdown(), but must not call
+ * close() directly.
+ * @param urh argument for #MHD_upgrade_action()s on this @a connection.
+ * Applications must eventually use this callback to (indirectly)
+ * perform the close() action on the @a sock.
+ */
+static void
+upgrade_cb (void *cls,
+ struct MHD_Connection *connection,
+ void *con_cls,
+ const char *extra_in,
+ size_t extra_in_size,
+ MHD_socket sock,
+ struct MHD_UpgradeResponseHandle *urh)
+{
+ (void) cls;
+ (void) connection;
+ (void) con_cls;
+ (void) extra_in; /* Unused. Silent compiler warning. */
+
+ usock = wr_create_from_plain_sckt (sock);
+ if (0 != extra_in_size)
+ abort ();
+ if (0 != pthread_create (&pt,
+ NULL,
+ &run_usock,
+ urh))
+ abort ();
+}
+
+
+/**
+ * A client has requested the given url using the given method
+ * (#MHD_HTTP_METHOD_GET, #MHD_HTTP_METHOD_PUT,
+ * #MHD_HTTP_METHOD_DELETE, #MHD_HTTP_METHOD_POST, etc). The callback
+ * must call MHD callbacks to provide content to give back to the
+ * client and return an HTTP status code (i.e. #MHD_HTTP_OK,
+ * #MHD_HTTP_NOT_FOUND, etc.).
+ *
+ * @param cls argument given together with the function
+ * pointer when the handler was registered with MHD
+ * @param url the requested url
+ * @param method the HTTP method used (#MHD_HTTP_METHOD_GET,
+ * #MHD_HTTP_METHOD_PUT, etc.)
+ * @param version the HTTP version string (i.e.
+ * #MHD_HTTP_VERSION_1_1)
+ * @param upload_data the data being uploaded (excluding HEADERS,
+ * for a POST that fits into memory and that is encoded
+ * with a supported encoding, the POST data will NOT be
+ * given in upload_data and is instead available as
+ * part of #MHD_get_connection_values; very large POST
+ * data *will* be made available incrementally in
+ * @a upload_data)
+ * @param upload_data_size set initially to the size of the
+ * @a upload_data provided; the method must update this
+ * value to the number of bytes NOT processed;
+ * @param con_cls pointer that the callback can set to some
+ * address and that will be preserved by MHD for future
+ * calls for this request; since the access handler may
+ * be called many times (i.e., for a PUT/POST operation
+ * with plenty of upload data) this allows the application
+ * to easily associate some request-specific state.
+ * If necessary, this state can be cleaned up in the
+ * global #MHD_RequestCompletedCallback (which
+ * can be set with the #MHD_OPTION_NOTIFY_COMPLETED).
+ * Initially, `*con_cls` will be NULL.
+ * @return #MHD_YES if the connection was handled successfully,
+ * #MHD_NO if the socket must be closed due to a serios
+ * error while handling the request
+ */
+static int
+ahc_upgrade (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 **con_cls)
+{
+ struct MHD_Response *resp;
+ int ret;
+ (void) cls;
+ (void) url;
+ (void) method; /* Unused. Silent compiler warning. */
+ (void) version;
+ (void) upload_data;
+ (void) upload_data_size; /* Unused. Silent compiler warning. */
+
+ if (NULL == *con_cls)
+ abort ();
+ if (! pthread_equal (**((pthread_t**)con_cls), pthread_self ()))
+ abort ();
+ resp = MHD_create_response_for_upgrade (&upgrade_cb,
+ NULL);
+ MHD_add_response_header (resp,
+ MHD_HTTP_HEADER_UPGRADE,
+ "Hello World Protocol");
+ ret = MHD_queue_response (connection,
+ MHD_HTTP_SWITCHING_PROTOCOLS,
+ resp);
+ MHD_destroy_response (resp);
+ return ret;
+}
+
+
+/**
+ * Run the MHD external event loop using select.
+ *
+ * @param daemon daemon to run it for
+ */
+static void
+run_mhd_select_loop (struct MHD_Daemon *daemon)
+{
+ fd_set rs;
+ fd_set ws;
+ fd_set es;
+ MHD_socket max_fd;
+ MHD_UNSIGNED_LONG_LONG to;
+ struct timeval tv;
+
+ while (! done)
+ {
+ FD_ZERO (&rs);
+ FD_ZERO (&ws);
+ FD_ZERO (&es);
+ max_fd = -1;
+ to = 1000;
+
+ if (MHD_YES !=
+ MHD_get_fdset (daemon,
+ &rs,
+ &ws,
+ &es,
+ &max_fd))
+ abort ();
+ (void) MHD_get_timeout (daemon,
+ &to);
+ if (1000 < to)
+ to = 1000;
+ tv.tv_sec = to / 1000;
+ tv.tv_usec = 1000 * (to % 1000);
+ if (0 > MHD_SYS_select_ (max_fd + 1,
+ &rs,
+ &ws,
+ &es,
+ &tv))
+ abort ();
+ MHD_run_from_select (daemon,
+ &rs,
+ &ws,
+ &es);
+ }
+}
+
+#ifdef HAVE_POLL
+
+/**
+ * Run the MHD external event loop using select.
+ *
+ * @param daemon daemon to run it for
+ */
+static void
+run_mhd_poll_loop (struct MHD_Daemon *daemon)
+{
+ (void)daemon; /* Unused. Silent compiler warning. */
+ abort (); /* currently not implementable with existing MHD API */
+}
+#endif /* HAVE_POLL */
+
+
+#ifdef EPOLL_SUPPORT
+/**
+ * Run the MHD external event loop using select.
+ *
+ * @param daemon daemon to run it for
+ */
+static void
+run_mhd_epoll_loop (struct MHD_Daemon *daemon)
+{
+ const union MHD_DaemonInfo *di;
+ MHD_socket ep;
+ fd_set rs;
+ MHD_UNSIGNED_LONG_LONG to;
+ struct timeval tv;
+ int ret;
+
+ di = MHD_get_daemon_info (daemon,
+ MHD_DAEMON_INFO_EPOLL_FD);
+ ep = di->listen_fd;
+ while (! done)
+ {
+ FD_ZERO (&rs);
+ to = 1000;
+
+ FD_SET (ep, &rs);
+ (void) MHD_get_timeout (daemon,
+ &to);
+ if (1000 < to)
+ to = 1000;
+ tv.tv_sec = to / 1000;
+ tv.tv_usec = 1000 * (to % 1000);
+ ret = select (ep + 1,
+ &rs,
+ NULL,
+ NULL,
+ &tv);
+ if ( (-1 == ret) &&
+ (EAGAIN != errno) &&
+ (EINTR != errno) )
+ abort ();
+ MHD_run (daemon);
+ }
+}
+#endif /* EPOLL_SUPPORT */
+
+/**
+ * Run the MHD external event loop using select.
+ *
+ * @param daemon daemon to run it for
+ */
+static void
+run_mhd_loop (struct MHD_Daemon *daemon,
+ int flags)
+{
+ if (0 == (flags & (MHD_USE_POLL | MHD_USE_EPOLL)))
+ run_mhd_select_loop (daemon);
+#ifdef HAVE_POLL
+ else if (0 != (flags & MHD_USE_POLL))
+ run_mhd_poll_loop (daemon);
+#endif /* HAVE_POLL */
+#if EPOLL_SUPPORT
+ else if (0 != (flags & MHD_USE_EPOLL))
+ run_mhd_epoll_loop (daemon);
+#endif
+ else
+ abort ();
+}
+
+
+static bool test_tls;
+
+/**
+ * Test upgrading a connection.
+ *
+ * @param flags which event loop style should be tested
+ * @param pool size of the thread pool, 0 to disable
+ */
+static int
+test_upgrade (int flags,
+ unsigned int pool)
+{
+ struct MHD_Daemon *d = NULL;
+ struct wr_socket *sock;
+ struct sockaddr_in sa;
+ const union MHD_DaemonInfo *real_flags;
+ const union MHD_DaemonInfo *dinfo;
+#if defined(HTTPS_SUPPORT) && defined(HAVE_FORK) && defined(HAVE_WAITPID)
+ pid_t pid = -1;
+#endif /* HTTPS_SUPPORT && HAVE_FORK && HAVE_WAITPID */
+
+ done = false;
+
+ if (! test_tls)
+ d = MHD_start_daemon (flags | MHD_USE_ERROR_LOG | MHD_ALLOW_UPGRADE,
+ MHD_is_feature_supported(MHD_FEATURE_AUTODETECT_BIND_PORT) ?
+ 0 : 1090,
+ NULL, NULL,
+ &ahc_upgrade, NULL,
+ MHD_OPTION_CONNECTION_MEMORY_LIMIT, 512,
+ MHD_OPTION_URI_LOG_CALLBACK, &log_cb, NULL,
+ MHD_OPTION_NOTIFY_COMPLETED, ¬ify_completed_cb, NULL,
+ MHD_OPTION_NOTIFY_CONNECTION, ¬ify_connection_cb, NULL,
+ MHD_OPTION_THREAD_POOL_SIZE, pool,
+ MHD_OPTION_END);
+#ifdef HTTPS_SUPPORT
+ else
+ d = MHD_start_daemon (flags | MHD_USE_ERROR_LOG | MHD_ALLOW_UPGRADE | MHD_USE_TLS,
+ MHD_is_feature_supported(MHD_FEATURE_AUTODETECT_BIND_PORT) ?
+ 0 : 1090,
+ NULL, NULL,
+ &ahc_upgrade, NULL,
+ MHD_OPTION_CONNECTION_MEMORY_LIMIT, 512,
+ MHD_OPTION_URI_LOG_CALLBACK, &log_cb, NULL,
+ MHD_OPTION_NOTIFY_COMPLETED, ¬ify_completed_cb, NULL,
+ MHD_OPTION_NOTIFY_CONNECTION, ¬ify_connection_cb, NULL,
+ MHD_OPTION_HTTPS_MEM_KEY, srv_signed_key_pem,
+ MHD_OPTION_HTTPS_MEM_CERT, srv_signed_cert_pem,
+ MHD_OPTION_THREAD_POOL_SIZE, pool,
+ MHD_OPTION_END);
+#endif /* HTTPS_SUPPORT */
+ if (NULL == d)
+ return 2;
+ real_flags = MHD_get_daemon_info (d,
+ MHD_DAEMON_INFO_FLAGS);
+ if (NULL == real_flags)
+ abort ();
+ dinfo = MHD_get_daemon_info (d,
+ MHD_DAEMON_INFO_BIND_PORT);
+ if ( (NULL == dinfo) ||
+ (0 == dinfo->port) )
+ abort ();
+ if (!test_tls || TLS_LIB_GNUTLS == use_tls_tool)
+ {
+ sock = test_tls ? wr_create_tls_sckt () : wr_create_plain_sckt ();
+ if (NULL == sock)
+ abort ();
+ sa.sin_family = AF_INET;
+ sa.sin_port = htons (dinfo->port);
+ sa.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
+ if (0 != wr_connect (sock,
+ (struct sockaddr *) &sa,
+ sizeof (sa)))
+ abort ();
+ }
+ else
+ {
+#if defined(HTTPS_SUPPORT) && defined(HAVE_FORK) && defined(HAVE_WAITPID)
+ MHD_socket tls_fork_sock;
+ uint16_t port;
+
+ /* make address sanitizer happy */
+ memcpy (&port,
+ dinfo /* ->port */,
+ sizeof (port));
+ if (-1 == (pid = gnutlscli_connect (&tls_fork_sock,
+ port)))
+ {
+ MHD_stop_daemon (d);
+ return 4;
+ }
+
+ sock = wr_create_from_plain_sckt (tls_fork_sock);
+ if (NULL == sock)
+ abort ();
+#else /* !HTTPS_SUPPORT || !HAVE_FORK || !HAVE_WAITPID */
+ abort ();
+#endif /* !HTTPS_SUPPORT || !HAVE_FORK || !HAVE_WAITPID */
+ }
+
+ if (0 != pthread_create (&pt_client,
+ NULL,
+ &run_usock_client,
+ sock))
+ abort ();
+ if (0 == (flags & MHD_USE_INTERNAL_POLLING_THREAD) )
+ {
+ enum MHD_FLAG flags;
+
+ /* make address sanitizer happy */
+ memcpy (&flags,
+ real_flags /* ->flags */,
+ sizeof (flags));
+ run_mhd_loop (d, flags);
+ }
+ pthread_join (pt_client,
+ NULL);
+ pthread_join (pt,
+ NULL);
+#if defined(HTTPS_SUPPORT) && defined(HAVE_FORK) && defined(HAVE_WAITPID)
+ if (test_tls && TLS_LIB_GNUTLS != use_tls_tool)
+ waitpid (pid, NULL, 0);
+#endif /* HTTPS_SUPPORT && HAVE_FORK && HAVE_WAITPID */
+ MHD_stop_daemon (d);
+ return 0;
+}
+
+
+int
+main (int argc,
+ char *const *argv)
+{
+ int error_count = 0;
+ int res;
+
+ use_tls_tool = TLS_CLI_NO_TOOL;
+ test_tls = has_in_name(argv[0], "_tls");
+
+ verbose = 1;
+ if (has_param(argc, argv, "-q") ||
+ has_param(argc, argv, "--quiet"))
+ verbose = 0;
+
+ if (test_tls)
+ {
+#ifdef HTTPS_SUPPORT
+ if (has_param(argc, argv, "--use-gnutls-cli"))
+ use_tls_tool = TLS_CLI_GNUTLS;
+ else if (has_param(argc, argv, "--use-openssl"))
+ use_tls_tool = TLS_CLI_OPENSSL;
+ else if (has_param(argc, argv, "--use-gnutls-lib"))
+ use_tls_tool = TLS_LIB_GNUTLS;
+#if defined(HAVE_FORK) && defined(HAVE_WAITPID)
+ else if (0 == system ("gnutls-cli --version 1> /dev/null 2> /dev/null"))
+ use_tls_tool = TLS_CLI_GNUTLS;
+ else if (0 == system ("openssl version 1> /dev/null 2> /dev/null"))
+ use_tls_tool = TLS_CLI_OPENSSL;
+#endif /* HAVE_FORK && HAVE_WAITPID */
+ else
+ use_tls_tool = TLS_LIB_GNUTLS; /* Should be available as MHD use it. */
+ if (verbose)
+ {
+ switch (use_tls_tool)
+ {
+ case TLS_CLI_GNUTLS:
+ printf ("GnuTLS-CLI will be used for testing.\n");
+ break;
+ case TLS_CLI_OPENSSL:
+ printf ("Command line version of OpenSSL will be used for testing.\n");
+ break;
+ case TLS_LIB_GNUTLS:
+ printf ("GnuTLS library will be used for testing.\n");
+ break;
+ default:
+ abort ();
+ }
+ }
+ if ( (TLS_LIB_GNUTLS == use_tls_tool) &&
+ (GNUTLS_E_SUCCESS != gnutls_global_init()) )
+ abort ();
+
+#else /* ! HTTPS_SUPPORT */
+ fprintf (stderr, "HTTPS support was disabled by configure.\n");
+ return 77;
+#endif /* ! HTTPS_SUPPORT */
+ }
+
+ /* run tests */
+ if (verbose)
+ printf ("Starting HTTP \"Upgrade\" tests with %s connections.\n",
+ test_tls ? "TLS" : "plain");
+ /* try external select */
+ res = test_upgrade (0,
+ 0);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with external select, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with external select.\n");
+
+ /* Try external auto */
+ res = test_upgrade (MHD_USE_AUTO,
+ 0);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with external 'auto', return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with external 'auto'.\n");
+
+#ifdef EPOLL_SUPPORT
+ res = test_upgrade (MHD_USE_EPOLL,
+ 0);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with external select with EPOLL, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with external select with EPOLL.\n");
+#endif
+
+ /* Test thread-per-connection */
+ res = test_upgrade (MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_THREAD_PER_CONNECTION,
+ 0);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with thread per connection, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with thread per connection.\n");
+
+ res = test_upgrade (MHD_USE_AUTO | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_THREAD_PER_CONNECTION,
+ 0);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with thread per connection and 'auto', return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with thread per connection and 'auto'.\n");
+#ifdef HAVE_POLL
+ res = test_upgrade (MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_THREAD_PER_CONNECTION | MHD_USE_POLL,
+ 0);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with thread per connection and poll, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with thread per connection and poll.\n");
+#endif /* HAVE_POLL */
+
+ /* Test different event loops, with and without thread pool */
+ res = test_upgrade (MHD_USE_INTERNAL_POLLING_THREAD,
+ 0);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with internal select, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with internal select.\n");
+ res = test_upgrade (MHD_USE_INTERNAL_POLLING_THREAD,
+ 2);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with internal select with thread pool, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with internal select with thread pool.\n");
+ res = test_upgrade (MHD_USE_AUTO | MHD_USE_INTERNAL_POLLING_THREAD,
+ 0);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with internal 'auto' return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with internal 'auto'.\n");
+ res = test_upgrade (MHD_USE_AUTO | MHD_USE_INTERNAL_POLLING_THREAD,
+ 2);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with internal 'auto' with thread pool, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with internal 'auto' with thread pool.\n");
+#ifdef HAVE_POLL
+ res = test_upgrade (MHD_USE_POLL_INTERNAL_THREAD,
+ 0);
+ error_count += res;
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with internal poll, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with internal poll.\n");
+ res = test_upgrade (MHD_USE_POLL_INTERNAL_THREAD,
+ 2);
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with internal poll with thread pool, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with internal poll with thread pool.\n");
+#endif
+#ifdef EPOLL_SUPPORT
+ res = test_upgrade (MHD_USE_EPOLL_INTERNAL_THREAD,
+ 0);
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with internal epoll, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with internal epoll.\n");
+ res = test_upgrade (MHD_USE_EPOLL_INTERNAL_THREAD,
+ 2);
+ if (res)
+ fprintf (stderr,
+ "FAILED: Upgrade with internal epoll, return code %d.\n",
+ res);
+ else if (verbose)
+ printf ("PASSED: Upgrade with internal epoll.\n");
+#endif
+ /* report result */
+ if (0 != error_count)
+ fprintf (stderr,
+ "Error (code: %u)\n",
+ error_count);
+#ifdef HTTPS_SUPPORT
+ if (test_tls && (TLS_LIB_GNUTLS == use_tls_tool))
+ gnutls_global_deinit();
+#endif /* HTTPS_SUPPORT */
+ return error_count != 0; /* 0 == pass */
+}
