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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <pcap.h>
#include <pcap-bpf.h>
#include <netinet/in.h>
#include <net/ethernet.h>
#include <netinet/ether.h>
#include <netinet/ip.h>
char **str_split(char *s, const char *ct)
{
char **tab=NULL;
int i;
char *cs=NULL;
size_t size=1;
void *temp=NULL;
if(s!=NULL && ct != NULL)
{
for(i=0; (cs=strtok(s,ct)); i++)
{
if(size <=i+1){
size <<=1;
temp=realloc(tab,sizeof(*tab) * size);
if(temp!=NULL){
tab=temp;
}
else{
fprintf(stderr,"mémoire insffisante\n");
free(tab);
tab=NULL;
exit(EXIT_FAILURE);
}
}
tab[i]=cs;
s=NULL;
}
tab[i]=NULL;
}
return tab;
}
char *rebuild_mac(char **mac_digit){
int index_temp=0;
char mac_address[20];
strcpy(mac_address,"\0");
while(index_temp <6)
{
if(index_temp!=0 && index_temp<6){
strcat(mac_address,":");
}
if(strlen(mac_digit[index_temp])<2)
{
strcat(mac_address,"0");
strcat(mac_address,mac_digit[index_temp]);
}else{
strcat(mac_address,mac_digit[index_temp]);
}
//printf("Temp : %s -> taille : %d index_temp : %d\n", mac_address,strlen(mac_address),index_temp);
index_temp++;
}
//printf("Fin dela boucle while\n");
return mac_address;
}
int main(int argc, char **argv)
{
//printf("Point d'arret");
pcap_t *desc;
pcap_t *desc_save;
struct pcap_pkthdr hdr;
struct bpf_program bp ;
struct ethhdr *EtherHdr;
struct ip *IpHeader;
bpf_u_int32 netmask=32;
FILE *fp;
const u_char *packet;
char **temp;
char errbuf[PCAP_ERRBUF_SIZE];
char * buff =NULL;
char *save_temp;
char *fichier_pcap = argv[1];
char mac_address_src_1[20];
char mac_address_dst_1[20];
char mac_address_src_2[20];
char mac_address_dst_2[20];
char previous_mac_address[20];
char mac_AP[20];
char ip_address_src_1[20];
char ip_address_dst_1[20];
char ip_address_src_2[20];
char ip_address_dst_2[20];
char directory[100];
int index_temp= 0;
int num_protocole= 0;
int mac_found= 0;
int host_found = 0;
int i = 0;
int size_tab=100;
int multiple_ip = 0;
struct info_host{
char mac_address[20];
char ip_address[20];
};
struct info_host connected_host[size_tab];
printf("répertoire courant : %s / nb argument ; %d", argv[2],argc);
if(argc<=0){
exit(EXIT_FAILURE);
} |
Segmentation fault au lancement du programme
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Envoyé par cmoibal
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