Initial commit

meta-security/recipes-mac/smack/tcp-smack-test/tcp_client.c

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+// (C) Copyright 2015 Intel Corporation
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+#include <stdio.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <netdb.h>
+#include <string.h>
+#include <sys/xattr.h>
+
+int main(int argc, char* argv[])
+{
+
+	int sock;
+	char message[255] = "hello";
+	struct sockaddr_in server_addr;
+	char* label_in;
+	char* label_out;
+	char* attr_out = "security.SMACK64IPOUT";
+	char* attr_in = "security.SMACK64IPIN";
+	char out[256];
+	int port;
+
+	struct timeval timeout;
+	timeout.tv_sec = 15;
+	timeout.tv_usec = 0;
+
+	struct hostent*  host = gethostbyname("localhost");
+
+	if (argc != 4)
+	{
+		perror("Client: Arguments missing, please provide socket labels");
+		return 2;
+	}
+
+	port = atoi(argv[1]);
+	label_in = argv[2];
+	label_out = argv[3];
+
+	if((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+	{
+		perror("Client: Socket failure");
+		return 2;
+	}
+
+
+	if(fsetxattr(sock, attr_out, label_out, strlen(label_out), 0) < 0)
+	{
+		perror("Client: Unable to set attribute SMACK64IPOUT");
+		return 2;
+	}
+
+	if(fsetxattr(sock, attr_in, label_in, strlen(label_in), 0) < 0)
+	{
+		perror("Client: Unable to set attribute SMACK64IPIN");
+		return 2;
+	}
+
+	server_addr.sin_family = AF_INET;
+	server_addr.sin_port = htons(port);
+	bcopy((char*) host->h_addr, (char*) &server_addr.sin_addr.s_addr,host->h_length);
+	bzero(&(server_addr.sin_zero),8);
+	
+	if(setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout)) < 0)
+	{
+		perror("Client: Set timeout failed\n");
+		return 2;
+	}
+	
+	if (connect(sock, (struct sockaddr *)&server_addr,sizeof(struct sockaddr)) == -1)
+	{
+    		perror("Client: Connection failure");
+			close(sock);
+        	return 1;
+	}
+
+
+	if(write(sock, message, strlen(message)) < 0)
+	{
+		perror("Client: Error sending data\n");
+		close(sock);
+		return 1;
+	}
+	close(sock);
+	return 0;
+}
+
+
+
+
+
+