glenux/igmpgen
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fix: Add IPOPT_RA definition & change cmdline option

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This commit is contained in:
Glenn Y. Rolland 2023-01-02 12:22:03 +01:00
parent 2101768832
commit 5143b2b1de
1 changed files with 7 additions and 4 deletions
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11
src/igmpgen.c
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@ -1,6 +1,7 @@
#include <libnet.h>
#include <netinet/igmp.h>
#define IPOPT_RA 148 /* router alert */
#define IGMP_V3_MEMBERSHIP_REPORT 0x22
struct igmp_extra {
@ -82,11 +83,13 @@ int main(int argc, char **argv)
}
*cp++ = 0;
igmp_version = (u_short)atoi(cp);
// igmp_version = (u_short)atoi(cp);
igmp_version = (u_short)atoi(optarg);
pkt_ptr = g_igmp_pkts;
while(pkt_ptr->igmp_version || pkt_ptr->igmp_tag){
if ((strcasecmp(pkt_ptr->igmp_tag, optarg) == 0)
// if ((strcasecmp(pkt_ptr->igmp_tag, optarg) == 0)
if ((strcasecmp(pkt_ptr->igmp_tag, cp) == 0)
&& (igmp_version == pkt_ptr->igmp_version)){
found = 1;
igmp_type = pkt_ptr->igmp_type;
@ -322,12 +325,12 @@ int main(int argc, char **argv)
void usage(char *name)
{
struct igmp_extra *pkt_ptr;
fprintf(stderr, "usage: %s -i ethdevice -g group -t packet.version [-s ip:port] [-d ip:port]\n", name);
fprintf(stderr, "usage: %s -i ethdevice -g group -t version.packettype [-s ip:port] [-d ip:port]\n", name);
pkt_ptr = g_igmp_pkts;
fprintf(stderr,"\nAvailable packet types:\n");
while(pkt_ptr->igmp_version || pkt_ptr->igmp_tag){
fprintf(stderr," - %s.%d\n", pkt_ptr->igmp_tag, pkt_ptr->igmp_version);
fprintf(stderr," - %d.%s\n", pkt_ptr->igmp_version, pkt_ptr->igmp_tag);
pkt_ptr++;
}
}