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https://github.com/open-sdr/openwifi.git
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Add more packet type and sub-type support into inject_80211.c
This commit is contained in:
Xianjun Jiao
parent
1f288d27e9
commit
e9a08f26b4
@ -24,6 +24,9 @@
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#include "inject_80211.h"
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#include "radiotap.h"
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#define BUF_SIZE_MAX (1536)
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#define BUF_SIZE_TOTAL (BUF_SIZE_MAX+1) // +1 in case the sprintf insert the last 0
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/* wifi bitrate to use in 500kHz units */
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static const u8 u8aRatesToUse[] = {
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6*2,
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@ -58,15 +61,37 @@ static const u8 u8aRadiotapHeader[] =
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#define MCS_RATE_OFFSET 0x1b
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/* IEEE80211 header */
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static const u8 ieee_hdr[] =
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static u8 ieee_hdr_data[] =
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{
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0x08, 0x01, 0x00, 0x00, // FC 0x0801. 0--subtype; 8--type&version; 01--toDS1 fromDS0 (data packet to DS)
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0x08, 0x02, 0x00, 0x00, // FC 0x0801. 0--subtype; 8--type&version; 02--toDS0 fromDS1 (data packet from DS to STA)
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0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // BSSID/MAC of AP
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0x66, 0x55, 0x44, 0x33, 0x22, 0x22, // Source address (STA)
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0x66, 0x55, 0x44, 0x33, 0x22, 0x33, // Destination address (another STA under the same AP)
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0x10, 0x86, // 0--fragment number; 0x861=2145--sequence number
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};
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static u8 ieee_hdr_mgmt[] =
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{
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0x00, 0x00, 0x00, 0x00, // FC 0x0000. 0--subtype; 0--type&version;
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0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // BSSID/MAC of AP
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0x66, 0x55, 0x44, 0x33, 0x22, 0x22, // Source address (STA)
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0x66, 0x55, 0x44, 0x33, 0x22, 0x33, // Destination address (another STA under the same AP)
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0x10, 0x86, // 0--fragment number; 0x861=2145--sequence number
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};
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static u8 ieee_hdr_ack_cts[] =
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{
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0xd4, 0x00, 0x00, 0x00, // FC 0xd400. d--subtype; 4--type&version;
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0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // mac addr of the peer
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};
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static u8 ieee_hdr_rts[] =
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{
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0xb4, 0x00, 0x00, 0x00, // FC 0xb400. b--subtype; 4--type&version;
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0x66, 0x55, 0x44, 0x33, 0x22, 0x11, // mac addr of the peer
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0x66, 0x55, 0x44, 0x33, 0x22, 0x22, // mac addr of the peer
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};
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// Generate random string
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void gen_rand_str(int size, char *rand_char)
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{
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@ -97,11 +122,19 @@ void usage(void)
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{
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printf(
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"(c)2006-2007 Andy Green <andy@warmcat.com> Licensed under GPL2\n"
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"(r)2020 Michael Tetemke Mehari <michael.mehari@ugent.be>"
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"(r)2020 Michael Tetemke Mehari <michael.mehari@ugent.be>\n"
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"(r)2022 Xianjun Jiao <xianjun.jiao@ugent.be>"
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"\n"
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"Usage: inject_80211 [options] <interface>\n\nOptions\n"
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"-m/--hw_mode <hardware operation mode> (a,g,n)\n"
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"-r/--rate_index <rate/MCS index> (0,1,2,3,4,5,6,7)\n"
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"-t/--packet_type (m/c/d/r for management/control/data/reserved)\n"
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"-e/--sub_type (hex value. example:\n"
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" 8/A/B/C for Beacon/Disassociation/Authentication/Deauth, when packet_type m\n"
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" A/B/C/D for PS-Poll/RTS/CTS/ACK, when packet_type c\n"
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" 0/1/2/8 for Data/Data+CF-Ack/Data+CF-Poll/QoS-Data, when packet_type d)\n"
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"-a/--addr1 <the last byte of addr1 in hex>\n"
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"-b/--addr2 <the last byte of addr2 in hex>\n"
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"-i/--sgi_flag (0,1)\n"
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"-n/--num_packets <number of packets>\n"
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"-s/--payload_size <payload size in bytes>\n"
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@ -118,9 +151,10 @@ void usage(void)
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int main(int argc, char *argv[])
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{
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u8 buffer[1536];
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char szErrbuf[PCAP_ERRBUF_SIZE], rand_char[1484], hw_mode = 'n';
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u8 buffer[BUF_SIZE_TOTAL], addr1=1, addr2=2, sub_type=1, *ieee_hdr;
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char szErrbuf[PCAP_ERRBUF_SIZE], rand_char[1484], hw_mode = 'n', packet_type = 'd';
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int i, nLinkEncap = 0, r, rate_index = 0, sgi_flag = 0, num_packets = 10, payload_size = 64, packet_size, nDelay = 100000;
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int ieee_hdr_len, payload_len;
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pcap_t *ppcap = NULL;
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while (1)
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@ -130,6 +164,10 @@ int main(int argc, char *argv[])
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{
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{ "hw_mode", required_argument, NULL, 'm' },
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{ "rate_index", required_argument, NULL, 'r' },
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{ "packet_type", required_argument, NULL, 't' },
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{ "sub_type", required_argument, NULL, 'e' },
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{ "addr1", required_argument, NULL, 'a' },
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{ "addr2", required_argument, NULL, 'b' },
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{ "sgi_flag", no_argument, NULL, 'i' },
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{ "num_packets", required_argument, NULL, 'n' },
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{ "payload_size", required_argument, NULL, 's' },
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@ -137,7 +175,7 @@ int main(int argc, char *argv[])
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{ "help", no_argument, &flagHelp, 1 },
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{ 0, 0, 0, 0 }
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};
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int c = getopt_long(argc, argv, "m:r:i:n:s:d:h", optiona, &nOptionIndex);
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int c = getopt_long(argc, argv, "m:r:t:e:a:b:i:n:s:d:h", optiona, &nOptionIndex);
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if (c == -1)
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break;
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@ -157,6 +195,22 @@ int main(int argc, char *argv[])
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rate_index = atoi(optarg);
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break;
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case 't':
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packet_type = optarg[0];
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break;
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case 'e':
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sub_type = strtol(optarg, NULL, 16);
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break;
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case 'a':
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addr1 = strtol(optarg, NULL, 16);
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break;
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case 'b':
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addr2 = strtol(optarg, NULL, 16);
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break;
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case 'i':
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sgi_flag = atoi(optarg);
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break;
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@ -210,10 +264,65 @@ int main(int argc, char *argv[])
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pcap_setnonblock(ppcap, 1, szErrbuf);
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// Fill the IEEE hdr
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if (packet_type == 'd') // data packet
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{
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ieee_hdr_data[0] = ( ieee_hdr_data[0]|(sub_type<<4) );
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ieee_hdr_data[9] = addr1;
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ieee_hdr_data[15] = addr2;
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ieee_hdr_len = sizeof(ieee_hdr_data);
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ieee_hdr = ieee_hdr_data;
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}
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else if (packet_type == 'm') // managment packet
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{
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ieee_hdr_mgmt[0] = ( ieee_hdr_mgmt[0]|(sub_type<<4) );
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ieee_hdr_mgmt[9] = addr1;
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ieee_hdr_mgmt[15] = addr2;
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ieee_hdr_len = sizeof(ieee_hdr_mgmt);
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ieee_hdr = ieee_hdr_mgmt;
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}
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else if (packet_type == 'c')
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{
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payload_size = 0;
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if (sub_type == 0xC || sub_type == 0xD)
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{
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ieee_hdr_ack_cts[0] = ( ieee_hdr_ack_cts[0]|(sub_type<<4) );
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ieee_hdr_ack_cts[9] = addr1;
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ieee_hdr_len = sizeof(ieee_hdr_ack_cts);
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ieee_hdr = ieee_hdr_ack_cts;
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}
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else if (sub_type == 0xA || sub_type == 0xB)
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{
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ieee_hdr_rts[0] = ( ieee_hdr_rts[0]|(sub_type<<4) );
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ieee_hdr_rts[9] = addr1;
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ieee_hdr_rts[15] = addr2;
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ieee_hdr_len = sizeof(ieee_hdr_rts);
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ieee_hdr = ieee_hdr_rts;
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}
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else
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{
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printf("!!! sub_type %x is not supported yet!\n", sub_type);
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return (1);
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}
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}
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else
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{
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printf("!!! packet_type %c is not supported yet!\n", packet_type);
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return (1);
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}
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// Generate random string
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gen_rand_str(payload_size, rand_char);
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packet_size = sizeof(u8aRadiotapHeader) + sizeof(ieee_hdr) + strlen(rand_char);
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gen_rand_str(payload_size+4, rand_char); //4 for space reserved for crc
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payload_len = strlen(rand_char);
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packet_size = sizeof(u8aRadiotapHeader) + ieee_hdr_len + payload_len;
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printf("mode = 802.11%c, rate index = %d, SHORT GI = %d, number of packets = %d and packet size = %d bytes, delay = %d usec\n", hw_mode, rate_index, sgi_flag, num_packets, packet_size, nDelay);
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printf("packet_type %c sub_type %x payload_len %d ieee_hdr_len %d addr1 %02x addr2 %02x\n", packet_type, sub_type, payload_len, ieee_hdr_len, addr1, addr2);
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if (packet_size > BUF_SIZE_MAX) {
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printf("packet_size %d > %d! Quite\n", packet_size, BUF_SIZE_MAX);
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return(1);
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}
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// Clear storage buffer
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memset(buffer, 0, sizeof (buffer));
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@ -234,9 +343,9 @@ int main(int argc, char *argv[])
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buffer[MCS_RATE_OFFSET] = rate_index;
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}
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// Insert IEEE DATA header
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memcpy(buffer + sizeof(u8aRadiotapHeader), ieee_hdr, sizeof (ieee_hdr));
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memcpy(buffer + sizeof(u8aRadiotapHeader), ieee_hdr, ieee_hdr_len);
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// Insert IEEE DATA payload
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sprintf((char *)(buffer + sizeof(u8aRadiotapHeader) + sizeof(ieee_hdr)), "%s", rand_char);
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sprintf((char *)(buffer + sizeof(u8aRadiotapHeader) + ieee_hdr_len), "%s", rand_char);
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// Inject packets
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for(i = 1; i <= num_packets; i++)
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