*** empty log message ***

apps/enclave/libsockthread/src/platform.hpp

@@ -1 +1,63 @@
-#undef WINTHREAD
+/*
+ * Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the author nor the names of any contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBSOCKTHREAD_PLATFORM_HPP
+#define LIBSOCKTHREAD_PLATFORM_HPP
+
+/*
+ * Operating system
+ */
+#define FREEBSD	0  // FreeBSD (untested)
+#define MINGW	1  // Windows native (Mingw)
+#define LINUX	2  // Linux
+#define CYGWIN	3  // Cygwin
+
+#if OS == MINGW
+	#define INET_ADDRSTRLEN 16
+	#define NO_GETHOSTBYNAME2
+	#define NO_INET_ATON  /* implies NO_INET_PTON */
+	#define NO_INET_NTOP
+	#define WINSOCK
+	#define WINTHREAD
+#endif
+
+#if OS == LINUX
+	#define NO_GETHOSTBYNAME2
+#endif
+
+#if OS == CYGWIN
+	#define FAST32_IS_LONG
+	#define INET_ADDRSTRLEN 16
+	#define NO_GETHOSTBYNAME2
+	#define NO_INET_NTOP
+	#define NO_INET_PTON
+#endif
+
+#endif  // LIBSOCKTHREAD_PLATFORM_HPP

apps/enclave/libsockthread/src/socket.cpp

@@ -28,8 +28,11 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <cassert>
+using namespace std;
 #include "platform.hpp"
 #include "socket.hpp"
+using namespace Libsockthread;
 
 size_t Socket::total = 0;  // the total number of sockets in use
 
@@ -39,15 +42,20 @@ size_t Socket::total = 0;  // the total number of sockets in use
 Socket::Socket(void)
 {
 	++total;
+	try {
 #ifdef WINSOCK
-	if (total == 1)
-		winsock_startup();
+		if (total == 1)
+			winsock_startup();
 #endif
-	socket(PF_INET, SOCK_STREAM);
+		create_socket(PF_INET, SOCK_STREAM);
+	} catch (const Socket_error& x) {
+		--total;
+		throw;
+	}
 }
 
 /*
- * Constructs a socket
+ * Constructs the socket
  *
  * domain - either PF_INET or PF_INET6
  * type - either SOCK_STREAM or SOCK_DGRAM
@@ -55,24 +63,50 @@ Socket::Socket(void)
 Socket::Socket(int domain, int type)
 {
 	++total;
+	try {
 #ifdef WINSOCK
-	if (total == 1)
-		winsock_startup();
+		if (total == 1)
+			winsock_startup();
 #endif
-	socket(domain, type);
+		create_socket(domain, type);
+	} catch {const Socket_error& x) {
+		--total;
+		throw;
+	}
 }
 
 /*
- * Destroys a socket
+ * Destroys the socket
  */
 Socket::~Socket(void)
 {
-	total--;
-	// TODO: finish me
+	close();
+	--total;
+	assert(total >= 0);
+#ifdef WINSOCK
+	if (total == 0)
+		winsock_cleanup();
+#endif
 }
 
 /*
- * Creates a socket
+ * Closes the socket
+ */
+void Socket::close(void)
+{
+#ifdef WINSOCK
+	if (closesocket(sock) == SOCKET_ERROR) {
+		LERROR("closesocket() failed: %s", winsock_strerror(WSAGetLastError()));
+	}
+#else
+	if (close(sock) == -1) {
+		LERROR("close() failed: %s", strerror(errno));
+	}
+#endif
+}
+
+/*
+ * Creates the socket
  *
  * domain - either PF_INET or PF_INET6
  * type - either SOCK_STREAM or SOCK_DGRAM

apps/enclave/libsockthread/src/socket.hpp

@@ -32,13 +32,18 @@
 #define LIBSOCKTHREAD_SOCKET_HPP
 
 namespace Libsockthread {
+	class Socket_error : public runtime_error {
+		public:
+			Socket_error(const string& s)
+				: runtime_error(s) { }
+	};
 	class Socket {
 		public:
-			Socket(void);  // throws socket error
+			Socket(void);  // throws Socket_error
 			Socket(int domain, int type);  // throws Socket_error
 			~Socket(void);
 
-			void func(void);
+			void close(void);
 		private:
 #ifdef WINSOCK
 			typedef SOCKET socket_t;
@@ -52,13 +57,7 @@ namespace Libsockthread {
 			void create_socket(int domain, int type);  // throws Socket_error
 
 			socket_t sock;
-			static size_t total;
-	};
-
-	class Socket_error : public runtime_error {
-		public:
-			Socket_error(const string& s)
-				: runtime_error(s) { }
+			static size_t total;  // the total number of sockets in memory
 	};
 }
 

apps/enclave/libsockthread/src/socket_addr.cpp

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the author nor the names of any contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arpa/inet.h>
+#include <cassert>
+using namespace std;
+#include "platform.hpp"
+#include "socket.hpp"
+#include "socket_addr.hpp"
+using namespace Libsockthread;
+
+Socket_addr::Socket_addr(int domain, const string& host, uint16_t port)
+	: domain(domain), host(host), port(port)
+{
+	memset(&hostaddr, 0, sizeof hostaddr);
+	hostaddr.sin_family = domain;
+	hostaddr.sin_port = htons(port);
+	resolve(host.c_str(), ipaddr);
+	int rc;
+#ifdef NO_INET_ATON
+	rc = hostaddr.sin_addr.s_addr = inet_addr(ipaddr);
+#elif defined NO_INET_PTON
+	rc = inet_aton(ipaddr, &hostaddr.sin_addr);
+#else
+	rc = inet_pton(AF_INET, ipaddr, &hostaddr.sin_addr);
+#endif
+	assert(rc != 0 && rc != -1);
+}
+
+/*
+ * Performs a DNS lookup on `hostname' and puts the result in `ipaddr'
+ */
+bool Socket::resolve(const char* hostname, char* ipaddr)
+{
+	struct hostent *h;
+#ifdef NO_GETHOSTBYNAME2
+	h = gethostbyname(hostname);
+#else
+	h = gethostbyname2(hostname, domain);
+#endif
+	if (h == 0) {
+		LWARN("DNS resolution failed for %s", hostname);
+		throw Socket_error("DNS resolution failed");
+	}
+	struct in_addr a;
+	a.s_addr = ((struct in_addr *)h->h_addr)->s_addr;
+#ifdef NO_INET_NTOP
+	char *tmp;
+	tmp = inet_ntoa(a);
+	assert(tmp != 0);
+	strlcpy(ipaddr, tmp, INET_ADDRSTRLEN);  // inet_ntoa() was very poorly designed
+#else
+	int rc = inet_ntop(domain, &a, ipaddr, INET_ADDRSTRLEN);
+	assert(rc != 0);
+#endif
+}

apps/enclave/libsockthread/src/socket_addr.hpp

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the author nor the names of any contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LIBSOCKTHREAD_SOCKET_ADDR_HPP
+#define LIBSOCKTHREAD_SOCKET_ADDR_HPP
+
+namespace Libsockthread {
+	class Socket_addr {
+		public:
+			Socket_addr(int domain, const string& host, uint16_t port);
+		private:
+			bool resolve(const char* hostname, char* ipaddr);
+
+			int domain;  // PF_INET or PF_INET6
+			string host;
+			char ipaddr[INET_ADDRSTRLEN];
+			struct sockaddr_in hostaddr;
+			uint16_t port;
+	};
+}
+
+#endif  // LIBSOCKTHREAD_SOCKET_ADDR_HPP

apps/enclave/libsockthread/src/strl.c

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stddef.h>
+#include <string.h>
+
+/*
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left).  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t
+strlcat(char *dst, const char *src, size_t siz)
+{
+	register char *d = dst;
+	register const char *s = src;
+	register size_t n = siz;
+	size_t dlen;
+
+	/* Find the end of dst and adjust bytes left but don't go past end */
+	while (n-- != 0 && *d != '\0')
+		d++;
+	dlen = d - dst;
+	n = siz - dlen;
+
+	if (n == 0)
+		return(dlen + strlen(s));
+	while (*s != '\0') {
+		if (n != 1) {
+			*d++ = *s;
+			n--;
+		}
+		s++;
+	}
+	*d = '\0';
+
+	return(dlen + (s - src));	/* count does not include NUL */
+}
+
+/*
+ * Copy src to string dst of size siz.  At most siz-1 characters
+ * will be copied.  Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t
+strlcpy(char *dst, const char *src, size_t siz)
+{
+	register char *d = dst;
+	register const char *s = src;
+	register size_t n = siz;
+
+	/* Copy as many bytes as will fit */
+	if (n != 0 && --n != 0) {
+		do {
+			if ((*d++ = *s++) == 0)
+				break;
+		} while (--n != 0);
+	}
+
+	/* Not enough room in dst, add NUL and traverse rest of src */
+	if (n == 0) {
+		if (siz != 0)
+			*d = '\0';		/* NUL-terminate dst */
+		while (*s++)
+			;
+	}
+
+	return(s - src - 1);	/* count does not include NUL */
+}

apps/enclave/libsockthread/src/strl.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2004, Matthew P. Cashdollar <mpc@innographx.com>
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the author nor the names of any contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+ * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Note: The strl.c file retains its original license (at the top of strl.c)
+ */
+
+#ifndef LIBSOCKTHREAD_STRL_H
+#define LIBSOCKTHREAD_STRL_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern size_t strlcat(char *dst, const char *src, size_t siz);
+extern size_t strlcpy(char *dst, const char *src, size_t siz);
+
+#ifdef __cplusplus
+}
+#endif
+#endif  /* LIBSOCKTHREAD_STRL_H */

apps/enclave/libsockthread/src/time.cpp

@@ -35,8 +35,9 @@ using namespace std;
 using namespace Libsockthread;
 
 /*
- * Converts the time to an ISO 8601 standard time and date and puts it in a string
- * Example: 2004-07-01 19:03:47Z
+ * Converts the time to an ISO 8601 standard time and date and puts it in a
+ * string
+ * Example: 2004-07-01T19:03:47Z
  */
 string& Time::utc(string &s) const
 {