~vcs-imports/dnstracer/main

Viewing changes to dnstracer.c

Committer: mavetju
Date: 2004-07-08 05:50:03 UTC
Revision ID: Arch-1:dnstracer@bazaar.ubuntu.com%dnstracer--MAIN--0--patch-71

        - Warnings are printed if you receive a different RR type
          than the one you asked for (for example when you ask for
          an A record and receive a CNAME)
        - Records received in the authority field are not longer
          checked if they are smaller than the domain the nameserver
          is authoritative for,
        - When compiled without IPv6 support on an IPv6 capable
          machine the machine tried to query the IPv6 translated
          IPv5 address anyway.

files modified:
CHANGES

dnstracer.c

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added added

removed removed

dnstracer.c

// $Id: dnstracer.c,v 1.44 2004/07/08 04:15:13 mavetju Exp $

// $Id: dnstracer.c,v 1.45 2004/07/08 05:50:03 mavetju Exp $

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struct dnsrr * next;

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};

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char *rr_types[256]={

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"#0x00", "a", "ns", "#0x03", "#0x04", "cname", "soa", "#0x07",

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"#0x08", "#0x09", "#0x0a", "#0x0b", "#ptr", "#hinfo", "#0x0e", "#mx",

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"#txt", "#0x11", "#0x12", "#0x13", "#0x14", "#0x15", "#0x16", "#0x17",

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"#0x18", "#0x19", "#0x1a", "#0x1b", "#0x1c", "#0x1d", "#0x1e", "#0x1f",

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"#0x20", "#0x21", "#0x22", "#0x23", "#0x24", "#0x25", "#0x26", "#0x27",

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"#0x28", "#0x29", "#0x2a", "#0x2b", "#0x2c", "#0x2d", "#0x2e", "#0x2f",

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"#0x30", "#0x31", "#0x32", "#0x33", "#0x34", "#0x35", "#0x36", "#0x37",

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"#0x38", "#0x39", "#0x3a", "#0x3b", "#0x3c", "#0x3d", "#0x3e", "#0x3f",

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"#0x40", "#0x41", "#0x42", "#0x43", "#0x44", "#0x45", "#0x46", "#0x47",

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"#0x48", "#0x49", "#0x4a", "#0x4b", "#0x4c", "#0x4d", "#0x4e", "#0x4f",

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"#0x50", "#0x51", "#0x52", "#0x53", "#0x54", "#0x55", "#0x56", "#0x57",

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"#0x58", "#0x59", "#0x5a", "#0x5b", "#0x5c", "#0x5d", "#0x5e", "#0x5f",

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"#0x60", "#0x61", "#0x62", "#0x63", "#0x64", "#0x65", "#0x66", "#0x67",

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"#0x68", "#0x69", "#0x6a", "#0x6b", "#0x6c", "#0x6d", "#0x6e", "#0x6f",

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"#0x70", "#0x71", "#0x72", "#0x73", "#0x74", "#0x75", "#0x76", "#0x77",

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"#0x78", "#0x79", "#0x7a", "#0x7b", "#0x7c", "#0x7d", "#0x7e", "#0x7f",

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"#0x80", "#0x81", "#0x82", "#0x83", "#0x84", "#0x85", "#0x86", "#0x87",

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"#0x88", "#0x89", "#0x8a", "#0x8b", "#0x8c", "#0x8d", "#0x8e", "#0x8f",

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"#0x90", "#0x91", "#0x92", "#0x93", "#0x94", "#0x95", "#0x96", "#0x97",

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"#0x98", "#0x99", "#0x9a", "#0x9b", "#0x9c", "#0x9d", "#0x9e", "#0x9f",

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"#0xa0", "#0xa1", "#0xa2", "#0xa3", "#0xa4", "#0xa5", "#0xa6", "#0xa7",

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"#0xa8", "#0xa9", "#0xaa", "#0xab", "#0xac", "#0xad", "#0xae", "#0xaf",

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"#0xb0", "#0xb1", "#0xb2", "#0xb3", "#0xb4", "#0xb5", "#0xb6", "#0xb7",

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"#0xb8", "#0xb9", "#0xba", "#0xbb", "#0xbc", "#0xbd", "#0xbe", "#0xbf",

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"#0xc0", "#0xc1", "#0xc2", "#0xc3", "#0xc4", "#0xc5", "#0xc6", "#0xc7",

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"#0xc8", "#0xc9", "#0xca", "#0xcb", "#0xcc", "#0xcd", "#0xce", "#0xcf",

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"#0xd0", "#0xd1", "#0xd2", "#0xd3", "#0xd4", "#0xd5", "#0xd6", "#0xd7",

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"#0xd8", "#0xd9", "#0xda", "#0xdb", "#0xdc", "#0xdd", "#0xde", "#0xdf",

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"#0xe0", "#0xe1", "#0xe2", "#0xe3", "#0xe4", "#0xe5", "#0xe6", "#0xe7",

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"#0xe8", "#0xe9", "#0xea", "#0xeb", "#0xec", "#0xed", "#0xee", "#0xef",

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"#0xf0", "#0xf1", "#0xf2", "#0xf3", "#0xf4", "#0xf5", "#0xf6", "#0xf7",

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"#0xf8", "#0xf9", "#0xfa", "#0xfb", "#0xfc", "#0xfd", "#0xfe", "#0xff"

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};

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/*****************************************************************************/

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char *get_resource(int type,struct dnssession *session,char *buffer,int dots);

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answer=session->answer;

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while (answer!=NULL) {

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if (answer->type!=global_querytype)

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printf("[received type is %s] ",rr_types[answer->type]);

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add_arecord(session,answer,server_name,server_ip);

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answer=answer->next;

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}

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// of what we have, don't go there. This might happen if we are

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// looking through cnames from different domains.

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if (strcmp(rrauth->domainname_string,".") &&

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if (strcmp(rrauth->domainname_string,".")==0 &&

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strcasecmp(rrauth->domainname_string,

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host+strlen(host)-strlen(rrauth->domainname_string))!=0) {

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rrauth=rrauth->next;

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strcpy(nextserver_name,printablename(rradd->domainname,1));

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strcpy(nextserver_ip,rradd->data_string);

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retval+=create_session(host,

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nextserver_ip,rradd->type==ns_t_aaaa,

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nextserver_ip,(rradd->type==ns_t_aaaa)?1:0,

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nextserver_name,rrauth->domainname_string,

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depth+1,s,(rrauth->next==NULL && found<=1)?1:0);

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} else {

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strcpy(nextserver_name,rrauth->data_string);

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#ifdef NOIPV6

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for (ip=0;ip<1;ip++) {

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#else

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for (ip=0;ip<2;ip++) {

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#endif

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int count,i;

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struct hostent *h;

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char **addr_list=NULL;

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strcpy(argv0,argv[0]);

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if (argv0[strlen(argv[0])-1]=='.') argv0[strlen(argv[0])-1]=0;

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printf("Tracing to %s via %s, maximum of %d retries\n",

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argv0,server_name,global_retries);

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printf("Tracing to %s[%s] via %s, maximum of %d retries\n",

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argv0,rr_types[global_querytype],server_name,global_retries);

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srandom(time(NULL));

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