|
|
@@ -0,0 +1,217 @@
|
|
|
+/*
|
|
|
+ This file is part of libmicrohttpd
|
|
|
+ Copyright (C) 2007-2018 Daniel Pittman and Christian Grothoff
|
|
|
+
|
|
|
+ This library is free software; you can redistribute it and/or
|
|
|
+ modify it under the terms of the GNU Lesser General Public
|
|
|
+ License as published by the Free Software Foundation; either
|
|
|
+ version 2.1 of the License, or (at your option) any later version.
|
|
|
+
|
|
|
+ This library 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
|
|
|
+ Lesser General Public License for more details.
|
|
|
+
|
|
|
+ You should have received a copy of the GNU Lesser General Public
|
|
|
+ License along with this library; if not, write to the Free Software
|
|
|
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
+*/
|
|
|
+
|
|
|
+/**
|
|
|
+ * @file lib/init.c
|
|
|
+ * @brief initialization routines
|
|
|
+ * @author Christian Grothoff
|
|
|
+ *
|
|
|
+ * TODO: most of this is only required for gcrypt/GNUtls,
|
|
|
+ * should probably be moved to TLS plugin!
|
|
|
+ */
|
|
|
+#include "internal.h"
|
|
|
+#include "init.h"
|
|
|
+
|
|
|
+
|
|
|
+#ifdef MHD_HTTPS_REQUIRE_GRYPT
|
|
|
+#if defined(HTTPS_SUPPORT) && GCRYPT_VERSION_NUMBER < 0x010600
|
|
|
+#if defined(MHD_USE_POSIX_THREADS)
|
|
|
+GCRY_THREAD_OPTION_PTHREAD_IMPL;
|
|
|
+#elif defined(MHD_W32_MUTEX_)
|
|
|
+
|
|
|
+static int
|
|
|
+gcry_w32_mutex_init (void **ppmtx)
|
|
|
+{
|
|
|
+ *ppmtx = malloc (sizeof (MHD_mutex_));
|
|
|
+
|
|
|
+ if (NULL == *ppmtx)
|
|
|
+ return ENOMEM;
|
|
|
+ if (!MHD_mutex_init_ ((MHD_mutex_*)*ppmtx))
|
|
|
+ {
|
|
|
+ free (*ppmtx);
|
|
|
+ *ppmtx = NULL;
|
|
|
+ return EPERM;
|
|
|
+ }
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static int
|
|
|
+gcry_w32_mutex_destroy (void **ppmtx)
|
|
|
+{
|
|
|
+ int res = (MHD_mutex_destroy_ ((MHD_mutex_*)*ppmtx)) ? 0 : EINVAL;
|
|
|
+ free (*ppmtx);
|
|
|
+ return res;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static int
|
|
|
+gcry_w32_mutex_lock (void **ppmtx)
|
|
|
+{
|
|
|
+ return MHD_mutex_lock_ ((MHD_mutex_*)*ppmtx) ? 0 : EINVAL;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static int
|
|
|
+gcry_w32_mutex_unlock (void **ppmtx)
|
|
|
+{
|
|
|
+ return MHD_mutex_unlock_ ((MHD_mutex_*)*ppmtx) ? 0 : EINVAL;
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+static struct gcry_thread_cbs gcry_threads_w32 = {
|
|
|
+ (GCRY_THREAD_OPTION_USER | (GCRY_THREAD_OPTION_VERSION << 8)),
|
|
|
+ NULL, gcry_w32_mutex_init, gcry_w32_mutex_destroy,
|
|
|
+ gcry_w32_mutex_lock, gcry_w32_mutex_unlock,
|
|
|
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL };
|
|
|
+
|
|
|
+#endif /* defined(MHD_W32_MUTEX_) */
|
|
|
+#endif /* HTTPS_SUPPORT && GCRYPT_VERSION_NUMBER < 0x010600 */
|
|
|
+#endif /* MHD_HTTPS_REQUIRE_GRYPT */
|
|
|
+
|
|
|
+
|
|
|
+#ifndef _AUTOINIT_FUNCS_ARE_SUPPORTED
|
|
|
+
|
|
|
+/**
|
|
|
+ * Track global initialisation
|
|
|
+ */
|
|
|
+volatile int global_init_count = 0;
|
|
|
+#ifdef MHD_MUTEX_STATIC_DEFN_INIT_
|
|
|
+/**
|
|
|
+ * Global initialisation mutex
|
|
|
+ */
|
|
|
+MHD_MUTEX_STATIC_DEFN_INIT_(global_init_mutex_);
|
|
|
+#endif /* MHD_MUTEX_STATIC_DEFN_INIT_ */
|
|
|
+
|
|
|
+#endif
|
|
|
+
|
|
|
+
|
|
|
+/**
|
|
|
+ * Check whether global initialisation was performed
|
|
|
+ * and call initialiser if necessary.
|
|
|
+ */
|
|
|
+void
|
|
|
+MHD_check_global_init_ (void)
|
|
|
+{
|
|
|
+#ifdef MHD_MUTEX_STATIC_DEFN_INIT_
|
|
|
+ MHD_mutex_lock_chk_(&global_init_mutex_);
|
|
|
+#endif /* MHD_MUTEX_STATIC_DEFN_INIT_ */
|
|
|
+ if (0 == global_init_count++)
|
|
|
+ MHD_init ();
|
|
|
+#ifdef MHD_MUTEX_STATIC_DEFN_INIT_
|
|
|
+ MHD_mutex_unlock_chk_(&global_init_mutex_);
|
|
|
+#endif /* MHD_MUTEX_STATIC_DEFN_INIT_ */
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/**
|
|
|
+ * Default implementation of the panic function,
|
|
|
+ * prints an error message and aborts.
|
|
|
+ *
|
|
|
+ * @param cls unused
|
|
|
+ * @param file name of the file with the problem
|
|
|
+ * @param line line number with the problem
|
|
|
+ * @param reason error message with details
|
|
|
+ */
|
|
|
+static void
|
|
|
+mhd_panic_std (void *cls,
|
|
|
+ const char *file,
|
|
|
+ unsigned int line,
|
|
|
+ const char *reason)
|
|
|
+{
|
|
|
+ (void)cls; /* Mute compiler warning. */
|
|
|
+#ifdef HAVE_MESSAGES
|
|
|
+ fprintf (stderr,
|
|
|
+ _("Fatal error in GNU libmicrohttpd %s:%u: %s\n"),
|
|
|
+ file,
|
|
|
+ line,
|
|
|
+ reason);
|
|
|
+#else /* ! HAVE_MESSAGES */
|
|
|
+ (void)file; /* Mute compiler warning. */
|
|
|
+ (void)line; /* Mute compiler warning. */
|
|
|
+ (void)reason; /* Mute compiler warning. */
|
|
|
+#endif
|
|
|
+ abort ();
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+/**
|
|
|
+ * Initialize do setup work.
|
|
|
+ */
|
|
|
+void
|
|
|
+MHD_init(void)
|
|
|
+{
|
|
|
+#if defined(_WIN32) && ! defined(__CYGWIN__)
|
|
|
+ WSADATA wsd;
|
|
|
+#endif /* _WIN32 && ! __CYGWIN__ */
|
|
|
+
|
|
|
+ if (NULL == mhd_panic)
|
|
|
+ mhd_panic = &mhd_panic_std;
|
|
|
+
|
|
|
+#if defined(_WIN32) && ! defined(__CYGWIN__)
|
|
|
+ if (0 != WSAStartup(MAKEWORD(2, 2), &wsd))
|
|
|
+ MHD_PANIC (_("Failed to initialize winsock\n"));
|
|
|
+ mhd_winsock_inited_ = 1;
|
|
|
+ if (2 != LOBYTE(wsd.wVersion) && 2 != HIBYTE(wsd.wVersion))
|
|
|
+ MHD_PANIC (_("Winsock version 2.2 is not available\n"));
|
|
|
+#endif
|
|
|
+#ifdef HTTPS_SUPPORT
|
|
|
+#ifdef MHD_HTTPS_REQUIRE_GRYPT
|
|
|
+#if GCRYPT_VERSION_NUMBER < 0x010600
|
|
|
+#if defined(MHD_USE_POSIX_THREADS)
|
|
|
+ if (0 != gcry_control (GCRYCTL_SET_THREAD_CBS,
|
|
|
+ &gcry_threads_pthread))
|
|
|
+ MHD_PANIC (_("Failed to initialise multithreading in libgcrypt\n"));
|
|
|
+#elif defined(MHD_W32_MUTEX_)
|
|
|
+ if (0 != gcry_control (GCRYCTL_SET_THREAD_CBS,
|
|
|
+ &gcry_threads_w32))
|
|
|
+ MHD_PANIC (_("Failed to initialise multithreading in libgcrypt\n"));
|
|
|
+#endif /* defined(MHD_W32_MUTEX_) */
|
|
|
+ gcry_check_version (NULL);
|
|
|
+#else
|
|
|
+ if (NULL == gcry_check_version ("1.6.0"))
|
|
|
+ MHD_PANIC (_("libgcrypt is too old. MHD was compiled for libgcrypt 1.6.0 or newer\n"));
|
|
|
+#endif
|
|
|
+#endif /* MHD_HTTPS_REQUIRE_GRYPT */
|
|
|
+ gnutls_global_init ();
|
|
|
+#endif /* HTTPS_SUPPORT */
|
|
|
+ MHD_monotonic_sec_counter_init();
|
|
|
+#ifdef HAVE_FREEBSD_SENDFILE
|
|
|
+ MHD_conn_init_static_ ();
|
|
|
+#endif /* HAVE_FREEBSD_SENDFILE */
|
|
|
+}
|
|
|
+
|
|
|
+
|
|
|
+void
|
|
|
+MHD_fini(void)
|
|
|
+{
|
|
|
+#ifdef HTTPS_SUPPORT
|
|
|
+ gnutls_global_deinit ();
|
|
|
+#endif /* HTTPS_SUPPORT */
|
|
|
+#if defined(_WIN32) && ! defined(__CYGWIN__)
|
|
|
+ if (mhd_winsock_inited_)
|
|
|
+ WSACleanup();
|
|
|
+#endif
|
|
|
+ MHD_monotonic_sec_counter_finish();
|
|
|
+}
|
|
|
+
|
|
|
+#ifdef _AUTOINIT_FUNCS_ARE_SUPPORTED
|
|
|
+_SET_INIT_AND_DEINIT_FUNCS(MHD_init, MHD_fini);
|
|
|
+#endif /* _AUTOINIT_FUNCS_ARE_SUPPORTED */
|
Christian Grothoff