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  1. #include <pcap.h>
  2. #include <stdio.h>
  3. #include <stdlib.h>
  4. #include <unistd.h>
  5. #include <string.h>
  6.  
  7. void intranet_packages(u_char *user, const struct pcap_pkthdr *header, const u_char *packet);
  8.  
  9. int main() {
  10.  
  11.     char errbuf[PCAP_ERRBUF_SIZE]; 
  12.     char *dev = pcap_lookupdev(errbuf);
  13.     pcap_t *handle = pcap_open_live(dev, 1600, 1, -1, errbuf);
  14.     const unsigned char *packet;
  15.  
  16.     if (handle == NULL) {
  17.         printf("1 fasfas %s\n", errbuf);
  18.         return -1;
  19.     }
  20.  
  21.     char filter[] = "";
  22.     struct bpf_program fp;
  23.     memset((void*)&fp, 0, sizeof(struct bpf_program));
  24.  
  25.     int result = pcap_compile(handle, &fp, filter, 0, 0);
  26.     if (result < 0) {
  27.         printf("2 fasfas\n");
  28.         return -1;
  29.     }
  30.  
  31.     result = pcap_setfilter(handle, &fp);
  32.     if (result < 0) {
  33.         printf("3 fasfas\n");
  34.         return -1;
  35.     }
  36.  
  37.     struct pcap_pkthdr header;
  38.     int i;
  39.     while (1) {
  40.  
  41.         packet = pcap_next(handle, &header);
  42.         printf("%d ", header.len);
  43.         if (result < 0) {
  44.             return -1;
  45.         }
  46.     }
  47.  
  48.     pcap_close(handle);
  49. }
  50.  
  51.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.c:1:18: fatal error: pcap.h: No such file or directory
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/c6JlbU
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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