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chris
2002-04-18 20:48:23 +00:00
parent 1891a4fb2d
commit 5987459b4f
1 changed files with 8 additions and 8 deletions
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16
iftop.c
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@@ -209,12 +209,12 @@ static void handle_ip_packet(struct ip* iptr, int hw_dir)
} }
static void handle_raw_packet(char* args, const struct pcap_pkthdr* pkthdr,const char* packet) static void handle_raw_packet(unsigned char* args, const struct pcap_pkthdr* pkthdr, const unsigned char* packet)
{ {
handle_ip_packet((struct ip*)packet, -1); handle_ip_packet((struct ip*)packet, -1);
} }
static void handle_eth_packet(char* args, const struct pcap_pkthdr* pkthdr,const char* packet) static void handle_eth_packet(unsigned char* args, const struct pcap_pkthdr* pkthdr, const unsigned char* packet)
{ {
struct ether_header *eptr; struct ether_header *eptr;
eptr = (struct ether_header*)packet; eptr = (struct ether_header*)packet;
@@ -261,13 +261,13 @@ void packet_init() {
s = socket(PF_INET, SOCK_DGRAM, 0); /* any sort of IP socket will do */ s = socket(PF_INET, SOCK_DGRAM, 0); /* any sort of IP socket will do */
if (s == -1) { if (s == -1) {
perror("socket"); perror("socket");
exit; exit(1);
} }
strncpy(ifr.ifr_name, options.interface, IFNAMSIZ); strncpy(ifr.ifr_name, options.interface, IFNAMSIZ);
ifr.ifr_hwaddr.sa_family = AF_UNSPEC; ifr.ifr_hwaddr.sa_family = AF_UNSPEC;
if (ioctl(s, SIOCGIFHWADDR, &ifr) == -1) { if (ioctl(s, SIOCGIFHWADDR, &ifr) == -1) {
perror("ioctl(SIOCGIFHWADDR)"); perror("ioctl(SIOCGIFHWADDR)");
exit; exit(1);
} }
close(s); close(s);
memcpy(if_hw_addr, ifr.ifr_hwaddr.sa_data, 6); memcpy(if_hw_addr, ifr.ifr_hwaddr.sa_data, 6);
@@ -281,7 +281,7 @@ void packet_init() {
pd = pcap_open_live(options.interface, CAPTURE_LENGTH, options.promiscuous, 1000, errbuf); pd = pcap_open_live(options.interface, CAPTURE_LENGTH, options.promiscuous, 1000, errbuf);
if(pd == NULL) { if(pd == NULL) {
fprintf(stderr, "pcap_open_live(%s): %s\n", options.interface, errbuf); fprintf(stderr, "pcap_open_live(%s): %s\n", options.interface, errbuf);
exit; exit(1);
} }
dlt = pcap_datalink(pd); dlt = pcap_datalink(pd);
if(dlt == DLT_EN10MB) { if(dlt == DLT_EN10MB) {
@@ -294,7 +294,7 @@ void packet_init() {
fprintf(stderr, "Unsupported datalink type: %d\n" fprintf(stderr, "Unsupported datalink type: %d\n"
"Please email pdw@ex-parrot.com, quoting the datalink type and what you were\n" "Please email pdw@ex-parrot.com, quoting the datalink type and what you were\n"
"trying to do at the time\n.", dlt); "trying to do at the time\n.", dlt);
exit(0); exit(1);
} }
if (options.filtercode) { if (options.filtercode) {
@@ -303,12 +303,12 @@ void packet_init() {
} }
if (pcap_compile(pd, &F, str, 1, 0) == -1) { if (pcap_compile(pd, &F, str, 1, 0) == -1) {
fprintf(stderr, "pcap_compile(%s): %s\n", str, pcap_geterr(pd)); fprintf(stderr, "pcap_compile(%s): %s\n", str, pcap_geterr(pd));
exit; exit(1);
return; return;
} }
if (pcap_setfilter(pd, &F) == -1) { if (pcap_setfilter(pd, &F) == -1) {
fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(pd)); fprintf(stderr, "pcap_setfilter: %s\n", pcap_geterr(pd));
exit; exit(1);
return; return;
} }
if (options.filtercode) if (options.filtercode)