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