1 // (C) Copyright 2015 Intel Corporation
2 //
3 // Permission is hereby granted, free of charge, to any person obtaining a copy
4 // of this software and associated documentation files (the "Software"), to deal
5 // in the Software without restriction, including without limitation the rights
6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 // copies of the Software, and to permit persons to whom the Software is
8 // furnished to do so, subject to the following conditions:
9 //
10 // The above copyright notice and this permission notice shall be included in
11 // all copies or substantial portions of the Software.
12 //
13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 // THE SOFTWARE.
20 #include <sys/socket.h>
21 #include <stdio.h>
22 #include <netinet/in.h>
23 #include <netdb.h>
24 #include <string.h>
25
main(int argc,char * argv[])26 int main(int argc, char* argv[])
27 {
28 char* message = "hello";
29 int sock, ret;
30 struct sockaddr_in server_addr;
31 struct hostent* host = gethostbyname("localhost");
32 char* label;
33 char* attr = "security.SMACK64IPOUT";
34 int port;
35 if (argc != 3)
36 {
37 perror("Client: Argument missing, please provide port and label for SMACK64IPOUT");
38 return 2;
39 }
40
41 port = atoi(argv[1]);
42 label = argv[2];
43 sock = socket(AF_INET, SOCK_DGRAM,0);
44 if(sock < 0)
45 {
46 perror("Client: Socket failure");
47 return 2;
48 }
49
50
51 if(fsetxattr(sock, attr, label, strlen(label),0) < 0)
52 {
53 perror("Client: Unable to set attribute ");
54 return 2;
55 }
56
57
58 server_addr.sin_family = AF_INET;
59 server_addr.sin_port = htons(port);
60 bcopy((char*) host->h_addr, (char*) &server_addr.sin_addr.s_addr,host->h_length);
61 bzero(&(server_addr.sin_zero),8);
62
63 ret = sendto(sock, message, strlen(message),0,(const struct sockaddr*)&server_addr,
64 sizeof(struct sockaddr_in));
65
66 close(sock);
67 if(ret < 0)
68 {
69 perror("Client: Error sending message\n");
70 return 1;
71 }
72
73 return 0;
74 }
75
76