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Annotation of embedaddon/arping/src/fuzz_pingip.c, revision 1.1.1.1

1.1       misho       1: /* arping/src/fuzz_pingip.c
                      2:  *
                      3:  *  Copyright (C) 2016 Thomas Habets <thomas@habets.se>
                      4:  *
                      5:  *  This program is free software; you can redistribute it and/or modify
                      6:  *  it under the terms of the GNU General Public License as published by
                      7:  *  the Free Software Foundation; either version 2 of the License, or
                      8:  *  (at your option) any later version.
                      9:  *
                     10:  *  This program is distributed in the hope that it will be useful,
                     11:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
                     12:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     13:  *  GNU General Public License for more details.
                     14:  *
                     15:  *  You should have received a copy of the GNU General Public License along
                     16:  *  with this program; if not, write to the Free Software Foundation, Inc.,
                     17:  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
                     18:  */
                     19: #include<arpa/inet.h>
                     20: #include<errno.h>
                     21: #include<inttypes.h>
                     22: #include<stdio.h>
                     23: #include<stdlib.h>
                     24: #include<string.h>
                     25: #include<time.h>
                     26: #include<unistd.h>
                     27: 
                     28: #include<pcap.h>
                     29: 
                     30: #include"arping.h"
                     31: 
                     32: int
                     33: main()
                     34: {
                     35:         const size_t maxpacket = 1500;
                     36:         char* const packet = calloc(1, maxpacket);
                     37:         size_t packet_size = 0;
                     38: 
                     39:         // Read packet.
                     40:         {
                     41:                 char* p = packet;
                     42:                 size_t size = maxpacket;
                     43:                 while (size > 0) {
                     44:                         const ssize_t n = read(STDIN_FILENO, p, size);
                     45:                         if (n == 0) {
                     46:                                 break;
                     47:                         }
                     48:                         if (n < 0) {
                     49:                                 fprintf(stderr, "read(): %s\n", strerror(errno));
                     50:                                 return 1;
                     51:                         }
                     52:                         size -= n;
                     53:                         p += n;
                     54:                 }
                     55:                 packet_size = p - packet;
                     56:         }
                     57: 
                     58:         struct pcap_pkthdr pkthdr;
                     59:         pkthdr.ts.tv_sec = time(NULL);
                     60:         pkthdr.ts.tv_usec = 0;
                     61:         pkthdr.len = packet_size;
                     62:         pkthdr.caplen = packet_size;
                     63: 
                     64:         dstip = htonl(0x12345678);
                     65:         pingip_recv(NULL, &pkthdr, packet);
                     66: 
                     67:         free(packet);
                     68:         return 0;
                     69: }
                     70: /* ---- Emacs Variables ----
                     71:  * Local Variables:
                     72:  * c-basic-offset: 8
                     73:  * indent-tabs-mode: nil
                     74:  * End:
                     75:  */