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cleanup packetspammer

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This commit is contained in:
Bastian Bloessl
2013-10-12 20:14:53 +02:00
parent 3f0cbb49f7
commit aa42d175e5
7 changed files with 15 additions and 620 deletions
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utils/packetspammer/packetspammer.c
+13 -20
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@@ -18,10 +18,13 @@
// Thanks for contributions:
// 2007-03-15 fixes to getopt_long code by Matteo Croce rootkit85@yahoo.it
#include <time.h>
#include <getopt.h>
#include <pcap.h>
#include <resolv.h>
#include <stdlib.h>
#include "packetspammer.h"
#include "radiotap.h"
#include <string.h>
#include <time.h>
#include <unistd.h>
static const uint8_t radiotap_hdr[] = {
@@ -51,27 +54,17 @@ static const char llc_hdr[] = {
0x88, 0xb5
};
static const char wsm_hdr[] = {
0x02, 0x55, 0x04, 0x01, 0x40, 0x10,
0x01, 0x0c, 0x0f, 0x01, 0xb2, 0x50,
0x00, 0x20,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
void
usage(void)
{
printf(
"(c)2006-2007 Andy Green <andy@warmcat.com> Licensed under GPL2\n\n"
"packet spammer\n=================================="
"packet spammer\n=========================================="
"\n"
"Usage: packetspammer [options] <interface>\n\nOptions\n\n"
"Usage: packetspammer <interface> [options] \n\nOptions\n\n"
" -n/--number <nr packets> number of packets to send\n\n"
" -r/--rate <rate> packets per second\n\n"
" -s/--size <size> packets size in byte (including MAC header)\n\n"
" -r/--rate <rate> packets per second\n\n"
" -s/--size <size> packet size in byte (including MAC header and CRC)\n\n"
"\n");
exit(1);
}
@@ -178,11 +171,11 @@ main(int argc, char *argv[])
memcpy(pu8, llc_hdr, sizeof(llc_hdr));
pu8 += sizeof(llc_hdr);
// add number and size as payload
pu8 += sprintf((char *)pu8, "%06d ", number);
pu8 += sprintf((char *)pu8, "%06d", size);
*pu8 = 0;
pu8++;
pu8 += sprintf((char *)pu8, "%06d ", size);
// subtract 4 bytes here, since CRC is added by mac layer
int packet_size = size + sizeof(radiotap_hdr) - 4;
if((pu8 - buf) > packet_size) {
printf("size is too small: %d\n", size);