chore: re-indent code (linux style)
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3 changed files with 341 additions and 334 deletions
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@ -2,31 +2,30 @@
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#ifndef IGP_TYPES_H
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#define IGP_TYPES_H
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#define IPOPT_RA 148 /* router alert */
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#define IPOPT_RA 148 /* router alert */
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#define IGMP_V3_MEMBERSHIP_REPORT 0x22
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#include <sys/types.h>
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/* Structure to represent IGMP extra information */
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typedef struct {
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u_int8_t igmp_version;
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char *igmp_tag;
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u_int8_t igmp_type; /* IGMP type */
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u_int8_t igmp_code; /* routing code */
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char *igmp_dst;
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int group_override_dst;
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u_int8_t igmp_version;
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char *igmp_tag;
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u_int8_t igmp_type; /* IGMP type */
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u_int8_t igmp_code; /* routing code */
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char *igmp_dst;
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int group_override_dst;
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} ipg_igmp_extra_t;
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typedef struct {
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char *device;
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char *igmp_type_version; // Combined type and version
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char *igmp_group;
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char *source_ip_port; // Combined source IP and port
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char *destination_ip_port; // Combined destination IP and port
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int delay_between_packets; // Optional, can be 0 if not specified
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char *device;
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char *igmp_type_version; // Combined type and version
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char *igmp_group;
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char *source_ip_port; // Combined source IP and port
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char *destination_ip_port; // Combined destination IP and port
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int delay_between_packets; // Optional, can be 0 if not specified
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} ipg_cmdline_options_t;
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extern ipg_igmp_extra_t g_igmp_pkts[];
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#endif /* IGP_TYPES_H */
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#endif /* IGP_TYPES_H */
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606
src/main.c
606
src/main.c
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@ -5,10 +5,10 @@
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#include <sys/types.h>
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/* missing type definitions (depending on system) */
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typedef unsigned char unchar;
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typedef unsigned short ushort;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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typedef unsigned char unchar;
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typedef unsigned short ushort;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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#include <libnet.h>
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#include <netinet/igmp.h>
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@ -17,356 +17,358 @@ typedef unsigned long ulong;
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/* global table of IGMP packet types*/
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ipg_igmp_extra_t g_igmp_pkts[] = {
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/* name, type (or version+type), code */
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{ 1, "query", 0x11, 0, "224.0.0.1", 0 },
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{ 1, "report", 0x12, 0, "224.0.0.1", 1 },
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{ 1, "dvmrp", 0x13, 0, "224.0.0.1", 0 },
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{ 2, "query", 0x11, 1, "224.0.0.1", 0 },
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{ 2, "report", 0x16, 1, "224.0.0.2", 1 },
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{ 2, "leave", 0x17, 1, "224.0.0.2", 0 },
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{ 3, "report", 0x22, 1, "224.0.0.22", 0 },
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/* name, type (or version+type), code */
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{1, "query", 0x11, 0, "224.0.0.1", 0},
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{1, "report", 0x12, 0, "224.0.0.1", 1},
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{1, "dvmrp", 0x13, 0, "224.0.0.1", 0},
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{2, "query", 0x11, 1, "224.0.0.1", 0},
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{2, "report", 0x16, 1, "224.0.0.2", 1},
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{2, "leave", 0x17, 1, "224.0.0.2", 0},
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{3, "report", 0x22, 1, "224.0.0.22", 0},
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/* Note: end of list (please keep) */
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{ 0, 0, 0, 0, 0, 0 },
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/* Note: end of list (please keep) */
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{0, 0, 0, 0, 0, 0},
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};
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void usage(char *);
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ipg_igmp_extra_t * igmp_packet_type_find(u_int8_t igmp_version, char *igmp_request) {
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ipg_igmp_extra_t *pkt_ptr;
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ipg_igmp_extra_t *igmp_packet_type_find(u_int8_t igmp_version,
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char *igmp_request)
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{
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ipg_igmp_extra_t *pkt_ptr;
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pkt_ptr = g_igmp_pkts;
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while(pkt_ptr->igmp_version || pkt_ptr->igmp_tag){
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// if ((strcasecmp(pkt_ptr->igmp_tag, optarg) == 0)
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if ((strcasecmp(pkt_ptr->igmp_tag, igmp_request) == 0)
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&& (igmp_version == pkt_ptr->igmp_version)){
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return pkt_ptr;
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}
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pkt_ptr++;
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}
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return NULL;
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pkt_ptr = g_igmp_pkts;
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while (pkt_ptr->igmp_version || pkt_ptr->igmp_tag) {
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// if ((strcasecmp(pkt_ptr->igmp_tag, optarg) == 0)
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if ((strcasecmp(pkt_ptr->igmp_tag, igmp_request) == 0)
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&& (igmp_version == pkt_ptr->igmp_version)) {
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return pkt_ptr;
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}
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pkt_ptr++;
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}
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return NULL;
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}
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int main(int argc, char **argv)
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{
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u_int32_t ip_src = 0;
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u_int32_t ip_dst = 0;
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u_int32_t igmp_group = 0;
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char *igmp_group_str = NULL;
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char *ip_src_str = NULL;
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char *ip_dst_str = NULL;
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u_char igmp_type = 0;
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u_char igmp_code = 0;
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ipg_igmp_extra_t *pkt_ptr;
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int igmp_override;
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u_int32_t ip_src = 0;
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u_int32_t ip_dst = 0;
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u_int32_t igmp_group = 0;
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char *igmp_group_str = NULL;
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char *ip_src_str = NULL;
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char *ip_dst_str = NULL;
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u_char igmp_type = 0;
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u_char igmp_code = 0;
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ipg_igmp_extra_t *pkt_ptr;
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int igmp_override;
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/* ports */
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u_short src_prt = 3141;
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u_short dst_prt = 5926;
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/* ports */
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u_short src_prt = 3141;
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u_short dst_prt = 5926;
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/* igmp stuff */
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u_int8_t igmp_version = 0;
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/* igmp stuff */
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u_int8_t igmp_version = 0;
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int ip_src_test = 1;
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int ip_dst_test = 1;
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int igmp_group_test =1;
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int ip_src_test = 1;
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int ip_dst_test = 1;
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int igmp_group_test = 1;
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/* libnet stuff */
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char neterr[LIBNET_ERRBUF_SIZE];
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libnet_ptag_t ptag;
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libnet_t *netcontext = NULL;
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/* libnet stuff */
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char neterr[LIBNET_ERRBUF_SIZE];
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libnet_ptag_t ptag;
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libnet_t *netcontext = NULL;
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/* misc */
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char *device = "eth0";
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int c;
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char *cp = NULL;
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/* misc */
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char *device = "eth0";
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int c;
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char *cp = NULL;
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printf("IGMP packet generator\n\n");
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printf("Detected options:\n");
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printf("IGMP packet generator\n\n");
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printf("Detected options:\n");
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/* Parsing command line */
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while((c = getopt(argc, argv, "i:t:g:d:s:")) != EOF)
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{
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switch (c)
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{
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case 'i':
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printf(" Net interface = [%s]\n",optarg);
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device = optarg;
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break;
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/* Parsing command line */
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while ((c = getopt(argc, argv, "i:t:g:d:s:")) != EOF) {
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switch (c) {
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case 'i':
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printf(" Net interface = [%s]\n", optarg);
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device = optarg;
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break;
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case 't':
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if (!(cp = strrchr(optarg, '.'))) {
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usage(argv[0]);
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exit(1);
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}
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*cp++ = 0;
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case 't':
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if (!(cp = strrchr(optarg, '.'))) {
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usage(argv[0]);
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exit(1);
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}
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*cp++ = 0;
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igmp_version = (u_short)atoi(optarg);
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igmp_version = (u_short) atoi(optarg);
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pkt_ptr = igmp_packet_type_find(igmp_version, cp);
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if (!pkt_ptr) {
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printf("ERROR: Packet type %d.%s not found!\n", igmp_version, cp);
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usage(argv[0]);
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exit(1);
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}
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pkt_ptr = igmp_packet_type_find(igmp_version, cp);
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if (!pkt_ptr) {
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printf("ERROR: Packet type %d.%s not found!\n",
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igmp_version, cp);
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usage(argv[0]);
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exit(1);
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}
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igmp_type = pkt_ptr->igmp_type;
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igmp_code = pkt_ptr->igmp_code;
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ip_dst_str = pkt_ptr->igmp_dst;
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igmp_override = pkt_ptr->group_override_dst;
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printf(" Packet = [%s] version [%d]\n", pkt_ptr->igmp_tag, igmp_version);
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break;
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igmp_type = pkt_ptr->igmp_type;
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igmp_code = pkt_ptr->igmp_code;
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ip_dst_str = pkt_ptr->igmp_dst;
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igmp_override = pkt_ptr->group_override_dst;
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printf(" Packet = [%s] version [%d]\n",
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pkt_ptr->igmp_tag, igmp_version);
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break;
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case 'g':
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// Group argument handling logic
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printf(" Group = [%s]\n", optarg);
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igmp_group_str = optarg;
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break;
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case 'g':
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// Group argument handling logic
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printf(" Group = [%s]\n", optarg);
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igmp_group_str = optarg;
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break;
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case 'n':
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// delay between packets in sec
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break;
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case 'n':
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// delay between packets in sec
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break;
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case 'd':
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/*
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* We expect the input to be of the form `ip.ip.ip.ip:port`. We
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* point cp to the last dot of the IP address/port string and
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* then seperate them with a NULL byte. The optarg now points to
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* just the IP address, and cp points to the port.
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*/
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case 'd':
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/*
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* We expect the input to be of the form `ip.ip.ip.ip:port`. We
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* point cp to the last dot of the IP address/port string and
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* then seperate them with a NULL byte. The optarg now points to
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* just the IP address, and cp points to the port.
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*/
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if ((cp = strrchr(optarg, ':')))
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{
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*cp++ = 0;
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dst_prt = (u_short)atoi(cp);
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} else {
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dst_prt = 0;
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}
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ip_dst_str = strdup(optarg);
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printf(" Destination = ip [%s] port [%d]\n", ip_dst_str, dst_prt);
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break;
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if ((cp = strrchr(optarg, ':'))) {
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*cp++ = 0;
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dst_prt = (u_short) atoi(cp);
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} else {
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dst_prt = 0;
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}
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ip_dst_str = strdup(optarg);
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printf(" Destination = ip [%s] port [%d]\n",
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ip_dst_str, dst_prt);
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break;
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case 's':
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if ((cp = strrchr(optarg, ':')))
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{
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*cp++ = 0;
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src_prt = (u_short)atoi(cp);
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} else {
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src_prt = 0;
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}
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ip_src_str = strdup(optarg);
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printf(" Source = ip [%s] port [%d]\n", ip_src_str, src_prt);
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break;
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case 's':
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if ((cp = strrchr(optarg, ':'))) {
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*cp++ = 0;
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src_prt = (u_short) atoi(cp);
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} else {
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src_prt = 0;
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}
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ip_src_str = strdup(optarg);
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printf(" Source = ip [%s] port [%d]\n", ip_src_str,
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src_prt);
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break;
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default:
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usage(argv[0]);
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exit(1);
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}
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}
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default:
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usage(argv[0]);
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exit(1);
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}
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}
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if (!igmp_group_str)
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{
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usage(argv[0]);
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fprintf(stderr, "ERROR: missing destination IGMP group\n");
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exit(EXIT_FAILURE);
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}
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if (!igmp_group_str) {
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usage(argv[0]);
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fprintf(stderr, "ERROR: missing destination IGMP group\n");
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exit(EXIT_FAILURE);
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}
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if (!device)
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{
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usage(argv[0]);
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fprintf(stderr, "ERROR: missing device\n");
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exit(EXIT_FAILURE);
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}
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if (!device) {
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usage(argv[0]);
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fprintf(stderr, "ERROR: missing device\n");
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exit(EXIT_FAILURE);
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}
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printf("done\n");
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printf("done\n");
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/* Memory initialization */
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printf("Initializing libnet context...\n");
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netcontext = libnet_init(LIBNET_RAW4, device, neterr);
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if (!netcontext) {
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fprintf(stderr, "%s\n", neterr);
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exit(1);
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}
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libnet_clear_packet(netcontext);
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/* Memory initialization */
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printf("Initializing libnet context...\n");
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netcontext = libnet_init(LIBNET_RAW4, device, neterr);
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if (!netcontext) {
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fprintf(stderr, "%s\n", neterr);
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exit(1);
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}
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libnet_clear_packet(netcontext);
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if (!ip_src_str) {
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ip_src = libnet_get_ipaddr4(netcontext);
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ip_src_str = libnet_addr2name4(ip_src, LIBNET_DONT_RESOLVE);
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}
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if (!ip_src_str) {
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ip_src = libnet_get_ipaddr4(netcontext);
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ip_src_str = libnet_addr2name4(ip_src, LIBNET_DONT_RESOLVE);
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}
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printf("Packet construction...\n");
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printf("Packet construction...\n");
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/* Packet construction: IGMP */
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printf(" Building IGMP content...\n");
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ptag = libnet_build_igmp(
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igmp_type, // IGMP type
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igmp_code, // IGMP code
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0, // checksum
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0, // group address
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NULL, // payload
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0, // payload size
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netcontext, // libnet context
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0 // ptag
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);
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if (ptag == -1) {
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fprintf(stderr, "Error building IGMP header: %s\n", libnet_geterror(netcontext));
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libnet_destroy(netcontext);
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exit(EXIT_FAILURE);
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}
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/* Packet construction: IGMP */
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printf(" Building IGMP content...\n");
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ptag = libnet_build_igmp(igmp_type, // IGMP type
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igmp_code, // IGMP code
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0, // checksum
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0, // group address
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NULL, // payload
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0, // payload size
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netcontext, // libnet context
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0 // ptag
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);
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if (ptag == -1) {
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fprintf(stderr, "Error building IGMP header: %s\n",
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libnet_geterror(netcontext));
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libnet_destroy(netcontext);
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exit(EXIT_FAILURE);
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}
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printf(" done\n");
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printf(" done\n");
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/* Send packet */
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if (libnet_write(netcontext) == -1) {
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fprintf(stderr, "Error sending packet: %s\n", libnet_geterror(netcontext));
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} else {
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printf("Packet sent successfully.\n");
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}
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/* Send packet */
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if (libnet_write(netcontext) == -1) {
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fprintf(stderr, "Error sending packet: %s\n",
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libnet_geterror(netcontext));
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} else {
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printf("Packet sent successfully.\n");
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}
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printf("Packet construction...\n");
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printf("Packet construction...\n");
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/*
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* Packet construction : IGMP
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*/
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printf(" Building IGMP content...\n");
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/*
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* Packet construction : IGMP
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*/
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printf(" Building IGMP content...\n");
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// Override dest with group info when needed
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if (igmp_override) {
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ip_dst_str = igmp_group_str;
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}
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// Override dest with group info when needed
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if (igmp_override) {
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ip_dst_str = igmp_group_str;
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}
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switch ( igmp_type ) {
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case 0x11: // IGMP_MEMBERSHIP_QUERY
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if (igmp_version == 2){
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// group specific
|
||||
} else if (igmp_version == 1) {
|
||||
// general
|
||||
igmp_group = 0;
|
||||
igmp_group_str = "0.0.0.0";
|
||||
igmp_group_test = 0;
|
||||
}
|
||||
// DST = 224.0.0.1
|
||||
//igmp_group = 0;
|
||||
//igmp_group_test = 0;
|
||||
break;
|
||||
case 0x12: //
|
||||
default:
|
||||
break;
|
||||
}
|
||||
switch (igmp_type) {
|
||||
case 0x11: // IGMP_MEMBERSHIP_QUERY
|
||||
if (igmp_version == 2) {
|
||||
// group specific
|
||||
} else if (igmp_version == 1) {
|
||||
// general
|
||||
igmp_group = 0;
|
||||
igmp_group_str = "0.0.0.0";
|
||||
igmp_group_test = 0;
|
||||
}
|
||||
// DST = 224.0.0.1
|
||||
//igmp_group = 0;
|
||||
//igmp_group_test = 0;
|
||||
break;
|
||||
case 0x12: //
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (ip_src_test
|
||||
&& !(ip_src = libnet_name2addr4(netcontext, ip_src_str, LIBNET_RESOLVE)))
|
||||
{
|
||||
fprintf(stderr,"Bad source IP address: %s\n", ip_src_str);
|
||||
fprintf(stderr,"%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
if (ip_src_test
|
||||
&& !(ip_src =
|
||||
libnet_name2addr4(netcontext, ip_src_str, LIBNET_RESOLVE))) {
|
||||
fprintf(stderr, "Bad source IP address: %s\n", ip_src_str);
|
||||
fprintf(stderr, "%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (ip_dst_test
|
||||
&& !(ip_dst = libnet_name2addr4(netcontext, ip_dst_str, LIBNET_RESOLVE)))
|
||||
{
|
||||
fprintf(stderr,"Bad destination IP address: %s\n", ip_dst_str);
|
||||
fprintf(stderr,"%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
if (ip_dst_test
|
||||
&& !(ip_dst =
|
||||
libnet_name2addr4(netcontext, ip_dst_str, LIBNET_RESOLVE))) {
|
||||
fprintf(stderr, "Bad destination IP address: %s\n", ip_dst_str);
|
||||
fprintf(stderr, "%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
if (igmp_group_test && !(igmp_group = libnet_name2addr4(netcontext, igmp_group_str, LIBNET_RESOLVE)))
|
||||
{
|
||||
fprintf(stderr,"Bad group IP address: %s\n", optarg);
|
||||
fprintf(stderr,"%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
if (igmp_group_test
|
||||
&& !(igmp_group =
|
||||
libnet_name2addr4(netcontext, igmp_group_str, LIBNET_RESOLVE)))
|
||||
{
|
||||
fprintf(stderr, "Bad group IP address: %s\n", optarg);
|
||||
fprintf(stderr, "%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
printf(" IP SRC IP = %s\n", ip_src_str);
|
||||
printf(" IP DEST IP = %s\n", ip_dst_str);
|
||||
printf(" IGMP TYPE = 0x%02x\n", igmp_type);
|
||||
printf(" IGMP CODE = 0x%02x\n", igmp_code);
|
||||
printf(" IGMP GROUP = %s\n", igmp_group_str);
|
||||
printf(" GROUP TEST = %d\n", igmp_group_test);
|
||||
printf(" IP SRC IP = %s\n", ip_src_str);
|
||||
printf(" IP DEST IP = %s\n", ip_dst_str);
|
||||
printf(" IGMP TYPE = 0x%02x\n", igmp_type);
|
||||
printf(" IGMP CODE = 0x%02x\n", igmp_code);
|
||||
printf(" IGMP GROUP = %s\n", igmp_group_str);
|
||||
printf(" GROUP TEST = %d\n", igmp_group_test);
|
||||
|
||||
/*
|
||||
int test = 1;
|
||||
if ( *(char *) test == 1) {
|
||||
// little endian
|
||||
printf("little endian\n");
|
||||
} else {
|
||||
// big endian
|
||||
printf("big endian\n");
|
||||
}
|
||||
*/
|
||||
/*
|
||||
int test = 1;
|
||||
if ( *(char *) test == 1) {
|
||||
// little endian
|
||||
printf("little endian\n");
|
||||
} else {
|
||||
// big endian
|
||||
printf("big endian\n");
|
||||
}
|
||||
*/
|
||||
|
||||
ptag = libnet_build_igmp(
|
||||
igmp_type, // IGMP type
|
||||
igmp_code, // IGMP code or TTL
|
||||
0, // checksum
|
||||
htonl(igmp_group), // ip addr
|
||||
NULL, // Ptr to packet data (or null)
|
||||
0, // Packet payload length
|
||||
netcontext, // Ptr to libnet context
|
||||
0); // Build a new packet header
|
||||
if (ptag < 0)
|
||||
{
|
||||
fprintf(stderr, "Error while building IGMP header data (err %d)\n", ptag);
|
||||
fprintf(stderr,"%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
ptag = libnet_build_igmp(igmp_type, // IGMP type
|
||||
igmp_code, // IGMP code or TTL
|
||||
0, // checksum
|
||||
htonl(igmp_group), // ip addr
|
||||
NULL, // Ptr to packet data (or null)
|
||||
0, // Packet payload length
|
||||
netcontext, // Ptr to libnet context
|
||||
0); // Build a new packet header
|
||||
if (ptag < 0) {
|
||||
fprintf(stderr,
|
||||
"Error while building IGMP header data (err %d)\n",
|
||||
ptag);
|
||||
fprintf(stderr, "%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
u_int8_t ipopt[2];
|
||||
ipopt[0] = IPOPT_RA;
|
||||
ipopt[1] = 4;
|
||||
ptag = libnet_build_ipv4_options(ipopt, // options
|
||||
2, // options_s (length of option string)
|
||||
netcontext, // libnet context
|
||||
0 // ptag
|
||||
);
|
||||
if (ptag < 0) {
|
||||
fprintf(stderr,
|
||||
"Error while building IPv4 options data (err %d)\n",
|
||||
ptag);
|
||||
}
|
||||
|
||||
u_int8_t ipopt[2];
|
||||
ipopt[0] = IPOPT_RA;
|
||||
ipopt[1] = 4;
|
||||
ptag = libnet_build_ipv4_options(
|
||||
ipopt, // options
|
||||
2, // options_s (length of option string)
|
||||
netcontext, // libnet context
|
||||
0 // ptag
|
||||
);
|
||||
if (ptag < 0)
|
||||
{
|
||||
fprintf(stderr, "Error while building IPv4 options data (err %d)\n", ptag);
|
||||
}
|
||||
ptag = libnet_build_ipv4(LIBNET_IPV4_H + LIBNET_IGMP_H, // pkg size + data
|
||||
0, // IP tos
|
||||
getpid(), // IP ID
|
||||
IP_DF, // frag flags and offset
|
||||
1, // TTL
|
||||
IPPROTO_IGMP, // transport protocol
|
||||
0, // checksum
|
||||
ip_src, // source IP
|
||||
ip_dst, // destination IP
|
||||
NULL, // payload (none)
|
||||
0, // payload length
|
||||
netcontext, // libnet context
|
||||
0 // build a new header
|
||||
);
|
||||
if (ptag < 0) {
|
||||
fprintf(stderr,
|
||||
"Error while building IPv4 header data (err %d)\n",
|
||||
ptag);
|
||||
fprintf(stderr, "%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
|
||||
ptag = libnet_build_ipv4(LIBNET_IPV4_H + LIBNET_IGMP_H, // pkg size + data
|
||||
0, // IP tos
|
||||
getpid(), // IP ID
|
||||
IP_DF, // frag flags and offset
|
||||
1, // TTL
|
||||
IPPROTO_IGMP, // transport protocol
|
||||
0, // checksum
|
||||
ip_src, // source IP
|
||||
ip_dst, // destination IP
|
||||
NULL, // payload (none)
|
||||
0, // payload length
|
||||
netcontext, // libnet context
|
||||
0 // build a new header
|
||||
);
|
||||
if (ptag < 0)
|
||||
{
|
||||
fprintf(stderr, "Error while building IPv4 header data (err %d)\n", ptag);
|
||||
fprintf(stderr,"%s\n", libnet_geterror(netcontext));
|
||||
exit(1);
|
||||
}
|
||||
printf(" done\n"); //IGMP content
|
||||
|
||||
printf(" done\n"); //IGMP content
|
||||
c = libnet_write(netcontext);
|
||||
if (c < 0) {
|
||||
fprintf(stderr, "%s\n", libnet_geterror(netcontext));
|
||||
} else {
|
||||
printf
|
||||
("construction and injection completed, wrote all %d bytes\n",
|
||||
c);
|
||||
}
|
||||
|
||||
c = libnet_write(netcontext);
|
||||
if (c < 0)
|
||||
{
|
||||
fprintf(stderr,"%s\n", libnet_geterror(netcontext));
|
||||
}
|
||||
else
|
||||
{
|
||||
printf("construction and injection completed, wrote all %d bytes\n", c);
|
||||
}
|
||||
/*
|
||||
* Free packet memory.
|
||||
*/
|
||||
libnet_diag_dump_pblock(netcontext);
|
||||
libnet_destroy(netcontext);
|
||||
exit(0);
|
||||
|
||||
/*
|
||||
* Free packet memory.
|
||||
*/
|
||||
libnet_diag_dump_pblock(netcontext);
|
||||
libnet_destroy(netcontext);
|
||||
exit(0);
|
||||
|
||||
return (c == -1 ? EXIT_FAILURE : EXIT_SUCCESS);
|
||||
return (c == -1 ? EXIT_FAILURE : EXIT_SUCCESS);
|
||||
}
|
||||
|
||||
// vim: ts=4 sts=4 sw=4 et
|
||||
|
|
|
|||
40
src/usage.c
40
src/usage.c
|
|
@ -7,24 +7,30 @@
|
|||
|
||||
void usage(const char *name)
|
||||
{
|
||||
ipg_igmp_extra_t *pkt_ptr;
|
||||
ipg_igmp_extra_t *pkt_ptr;
|
||||
|
||||
fprintf(stderr, "Usage: %s [options]\n", basename(name));
|
||||
fprintf(stderr, "\nOptions:\n");
|
||||
fprintf(stderr, " -i <interface> Specify the network interface (e.g., eth0)\n");
|
||||
fprintf(stderr, " -t <type> Specify the IGMP packet type and version (e.g., 1.query)\n");
|
||||
fprintf(stderr, " -g <group> Specify the destination IGMP group (e.g., 224.0.0.1)\n");
|
||||
fprintf(stderr, " -s <source> Specify the source IP and port (e.g., 192.168.1.1:1234)\n");
|
||||
fprintf(stderr, " -d <destination> Specify the destination IP and port (e.g., 224.0.0.2:5678)\n");
|
||||
fprintf(stderr, " -n <number> Specify delay between packets in seconds (optional)\n");
|
||||
fprintf(stderr, "Usage: %s [options]\n", basename(name));
|
||||
fprintf(stderr, "\nOptions:\n");
|
||||
fprintf(stderr,
|
||||
" -i <interface> Specify the network interface (e.g., eth0)\n");
|
||||
fprintf(stderr,
|
||||
" -t <type> Specify the IGMP packet type and version (e.g., 1.query)\n");
|
||||
fprintf(stderr,
|
||||
" -g <group> Specify the destination IGMP group (e.g., 224.0.0.1)\n");
|
||||
fprintf(stderr,
|
||||
" -s <source> Specify the source IP and port (e.g., 192.168.1.1:1234)\n");
|
||||
fprintf(stderr,
|
||||
" -d <destination> Specify the destination IP and port (e.g., 224.0.0.2:5678)\n");
|
||||
fprintf(stderr,
|
||||
" -n <number> Specify delay between packets in seconds (optional)\n");
|
||||
|
||||
fprintf(stderr, "\nAvailable IGMP packet types:\n");
|
||||
fprintf(stderr, "\nAvailable IGMP packet types:\n");
|
||||
|
||||
pkt_ptr = g_igmp_pkts;
|
||||
while(pkt_ptr->igmp_version || pkt_ptr->igmp_tag){
|
||||
fprintf(stderr," - %d.%s\n", pkt_ptr->igmp_version, pkt_ptr->igmp_tag);
|
||||
pkt_ptr++;
|
||||
}
|
||||
fprintf(stderr, "\n");
|
||||
pkt_ptr = g_igmp_pkts;
|
||||
while (pkt_ptr->igmp_version || pkt_ptr->igmp_tag) {
|
||||
fprintf(stderr, " - %d.%s\n", pkt_ptr->igmp_version,
|
||||
pkt_ptr->igmp_tag);
|
||||
pkt_ptr++;
|
||||
}
|
||||
fprintf(stderr, "\n");
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue