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 <stdio.h>
21 #include <sys/socket.h>
22 #include <sys/types.h>
23 #include <errno.h>
24 #include <netinet/in.h>
25 #include <unistd.h>
26 #include <string.h>
27
main(int argc,char * argv[])28 int main(int argc, char* argv[])
29 {
30
31 int sock;
32 int clientsock;
33 char message[255];
34 socklen_t client_length;
35 struct sockaddr_in server_addr, client_addr;
36 char* label_in;
37 char* attr_in = "security.SMACK64IPIN";
38 int port;
39
40 struct timeval timeout;
41 timeout.tv_sec = 15;
42 timeout.tv_usec = 0;
43
44 if (argc != 3)
45 {
46 perror("Server: Argument missing please provide port and label for SMACK64IPIN");
47 return 2;
48 }
49
50 port = atoi(argv[1]);
51 label_in = argv[2];
52 bzero(message,255);
53
54
55 if((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
56 {
57 perror("Server: Socket failure");
58 return 2;
59 }
60
61
62 if(fsetxattr(sock, attr_in, label_in, strlen(label_in),0) < 0)
63 {
64 perror("Server: Unable to set attribute ipin 2");
65 return 2;
66 }
67
68 server_addr.sin_family = AF_INET;
69 server_addr.sin_port = htons(port);
70 server_addr.sin_addr.s_addr = INADDR_ANY;
71 bzero(&(server_addr.sin_zero),8);
72
73 if(setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)) < 0)
74 {
75 perror("Server: Set timeout failed\n");
76 return 2;
77 }
78
79 if(bind(sock, (struct sockaddr*) &server_addr, sizeof(server_addr)) < 0)
80 {
81 perror("Server: Bind failure ");
82 return 2;
83 }
84
85 listen(sock, 1);
86 client_length = sizeof(client_addr);
87
88 clientsock = accept(sock,(struct sockaddr*) &client_addr, &client_length);
89
90 if (clientsock < 0)
91 {
92 perror("Server: Connection failed");
93 close(sock);
94 return 1;
95 }
96
97
98 if(fsetxattr(clientsock, "security.SMACK64IPIN", label_in, strlen(label_in),0) < 0)
99 {
100 perror(" Server: Unable to set attribute ipin 2");
101 close(sock);
102 return 2;
103 }
104
105 if(read(clientsock, message, 254) < 0)
106 {
107 perror("Server: Error when reading from socket");
108 close(clientsock);
109 close(sock);
110 return 1;
111 }
112
113
114 close(clientsock);
115 close(sock);
116
117 return 0;
118 }
119