Re: dlil_inject_if_input

19 Sep 2004

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char * httpresponse = (*)_MALLOC(0000,0000,FFFF">180,M_FREE,M_NOWAIT);

sprintf(httpresponse,"HTTP/1.1 200 OK\r\nCache-Control: no-store, no-cache\r\nContent-Type: text/html\r\n\r\n <HTML><BODY>This is the block page</BODY></HTML>");

struct mbuf * testin;

MGET(testin,M_NOWAIT,M_MBUF);

struct ip newip;// = (struct ip*)_MALLOC(sizeof(struct ip),M_FREE,M_NOWAIT);

u_char vhl = 0x45;

memcpy(&newip, &vhl,1);

newip.ip_hl = 5;

printf("ipHeader version: %d\n", ipHeader->ip_v);

printf("ipHeader hdrleng: %d\n", ipHeader->ip_hl);

printf("newipheader: %d\n", newip.ip_v);

printf("newipheader: %d\n", newip.ip_hl);

newip.ip_v = ;2323,6E6E,2525">//ipHeader->ip_v;

newip.ip_tos = ;2323,6E6E,2525">//ipHeader->ip_tos;

int data_len = strlen(httpresponse);

newip.ip_len = (7676,0F0F,5050">struct ip) + (7676,0F0F,5050">struct tcphdr) + data_len;

newip.ip_id = 34234;

newip.ip_off = 0x0000;

newip.ip_ttl = 35;

newip.ip_p = ipHeader->ip_p;

newip.ip_sum = 0;

memcpy(&(newip.ip_src), &(ipHeader->ip_dst), (7676,0F0F,5050">struct in_addr));

memcpy(&(newip.ip_dst), &(ipHeader->ip_src), (7676,0F0F,5050">struct in_addr));

struct tcphdr newtcp;// = (struct tcphdr*)_MALLOC(sizeof(struct tcphdr),M_FREE,M_NOWAIT);

newtcp.th_sport = tester->th_dport;

newtcp.th_dport = tester->th_sport;

newtcp.th_ack = tester->th_seq;

newtcp.th_seq = htons(tester->th_seq +1);

newtcp.th_flags = (TH_ACK|TH_FIN|TH_PUSH);

newtcp.th_off = (7676,0F0F,5050">struct tcphdr);

newtcp.th_x2 = 0;

newtcp.th_win = 65535;

newtcp.th_sum = 0;

newtcp.th_urp = 0;

testin->m_data += 20;

memcpy(testin->m_data,&newip,(7676,0F0F,5050">struct ip));

testin->m_len = (7676,0F0F,5050">struct ip);

testin->m_pkthdr.len = (7676,0F0F,5050">struct ip);

testin->m_data += (7676,0F0F,5050">struct ip);

memcpy(testin->m_data,&newtcp,(7676,0F0F,5050">struct tcphdr));

testin->m_data += (7676,0F0F,5050">struct tcphdr);

memcpy(testin->m_data,httpresponse,data_len);

testin->m_len = ((7676,0F0F,5050">struct ip) + (7676,0F0F,5050">struct tcphdr) + data_len);

testin->m_pkthdr.len = ((7676,0F0F,5050">struct ip) + (7676,0F0F,5050">struct tcphdr) + data_len);

testin->m_data -= ((7676,0F0F,5050">struct ip) + (7676,0F0F,5050">struct tcphdr));

unsigned char * test = mtod(testin, unsigned char*);

int i = 0;

while(i < testin->m_pkthdr.len) {

printf("%x ",test[i]);

i++;

}

printf("\n");

int testing = dlil_inject_if_input(testin,frame_type,ipv4ID);

printf("Here is the result: %d\n", testing);

Matt Jaffa

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