Patrick Williams | 213cb26 | 2021-08-07 19:21:33 -0500 | [diff] [blame^] | 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 | |
| 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 | } |