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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;
}
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