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netsukuku/src/ntkresolv.h
Alexander von Gluck IV ba6c7a6bf9 headers: Fix missing header comments
2014-09-17 10:36:24 -05:00

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/* This file is part of Netsukuku
*
* This source code is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* This source code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* Please refer to the GNU Public License for more details.
*
* You should have received a copy of the GNU Public License along with
* this source code; if not, write to:
* Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef NTK_RESOLV_H
#define NTK_RESOLV_H
#include <errno.h>
#include <netdb.h>
#include <strings.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include "andns_lib.h"
#define VERSION "0.3.3"
#define NTK_RESOLV_MAIL_BUGS "efphe@netsukuku.org"
#define NTKRESOLV_PORT 53
#define NTKRESOLV_PORT_STR "53"
#define MAX_NS 3
#define LOCALHOST "localhost"
#define NTK_RESOLV_TIMEOUT 15
#define MAX_HOSTNAME_LEN 512
#define NTKRESOLV_MAX_OBJ_LEN 512
//#define ANDNS_MAX_SZ 1024
#define min(x,y) (x)<(y)?(x):(y)
#define REALM_NTK 0+1
#define REALM_INT 1+1
#define REALM_NTK_STR "ntk"
#define REALM_INT_STR "inet"
#define QTYPE_A AT_A
#define QTYPE_PTR AT_PTR
#define QTYPE_G AT_G
#define QTYPE_MX 3
#define QTYPE_A_STR "snsd"
#define QTYPE_PTR_STR "ptr"
#define QTYPE_G_STR "global"
#define QTYPE_MX_STR "mx"
#define SNSD_PROTO_TCP 0
#define SNSD_PROTO_UDP 1
#define SNSD_PROTO_TCP_STR "tcp"
#define SNSD_PROTO_UDP_STR "udp"
#define SNSD_PROTO_DEFAULT SNSD_PROTO_TCP
#define SNSD_SERVICE_DEFAULT 0
/* NK BIT */
#define NK_DNS 0
#define NK_NTK 1
#define NK_INET 2
#define TIME_SCALE 1000000.0
#define HELP_STR "help"
char *QTYPE_STR_LIST[] =
{ QTYPE_A_STR, QTYPE_PTR_STR, QTYPE_G_STR, QTYPE_MX_STR };
int QT_LEN = 4;
#define QTFROMPREF(s) \
({ \
int __n,__res=-1; \
for (__n=0;__n<QT_LEN;__n++) \
if (!strncasecmp(s,QTYPE_STR_LIST[__n],strlen(s))) \
{__res=__n;break;} \
__res; })
#define REALMFROMPREF(s) \
({ \
uint8_t __res=0; \
if (!strncasecmp(REALM_NTK_STR,s,strlen(s))) \
__res=REALM_NTK; \
else if (!strncasecmp(REALM_INT_STR,s,strlen(s))) \
__res=REALM_INT; \
__res; })
#define PROTOFROMPREF(s) \
({ \
uint8_t __res=-1; \
if (!strncasecmp(SNSD_PROTO_UDP_STR,s,strlen(s))) \
__res=SNSD_PROTO_UDP; \
else if (!strncasecmp(SNSD_PROTO_TCP_STR,s,strlen(s))) \
__res=SNSD_PROTO_TCP; \
__res; })
typedef struct ntkresolv_opts {
char nsserver[MAX_HOSTNAME_LEN];
int16_t port;
int8_t silent;
char obj[NTKRESOLV_MAX_OBJ_LEN];
uint16_t id;
uint8_t hash;
andns_pkt *q;
} ntkresolv_opts;
#define NTKRESOLV_OPTS_SZ sizeof(ntkresolv_opts)
#define QR_STR(ap) ((ap)->qr==0)?"QUERY":"ANSWER"
#define QTYPE_STR(ap) \
({ \
char *__c; \
switch((ap)->qtype) { \
case AT_A: \
__c="Host2Ip"; \
break; \
case AT_PTR: \
__c="Ip2Host"; \
break; \
case AT_G: \
__c=" Global"; \
break; \
default: \
__c="Unknow"; \
break; \
} \
__c;})
#define NK_STR(ap) \
({ \
char *__d; \
switch((ap)->nk) { \
case NK_DNS: \
__d="DNS"; \
break; \
case NK_NTK: \
__d="Ntk"; \
break; \
case NK_INET: \
__d="Inet"; \
break; \
default: \
__d="UNKNOW"; \
break; \
} \
__d;})
#define RCODE_STR(ap) \
({ \
char *__e; \
switch((ap)->rcode) { \
case ANDNS_RCODE_NOERR: \
__e="NoError"; \
break; \
case ANDNS_RCODE_EINTRPRT: \
__e="InError"; \
break; \
case ANDNS_RCODE_ESRVFAIL: \
__e="SrvFail"; \
break; \
case ANDNS_RCODE_ENSDMN: \
__e="NoXHost"; \
break; \
case ANDNS_RCODE_ENIMPL: \
__e="NotImpl"; \
break; \
case ANDNS_RCODE_ERFSD: \
__e="Refused"; \
break; \
default: \
__e="UNKNOW"; \
break; \
} \
__e;})
#define IPV_STR(ap) \
({ \
char *__f; \
switch((ap)->ipv) { \
case ANDNS_IPV4: \
__f="IPv4"; \
break; \
case ANDNS_IPV6: \
__f="IPv6"; \
break; \
default: \
__f="UNKNOW"; \
break; \
} \
__f;})
#define MAX_INT_STR 10
#define SERVICE_STR(ap) \
({ \
char *__g; \
char __t[MAX_INT_STR]; \
switch((ap)->qtype) { \
case AT_G: \
__g="*"; \
break; \
case AT_PTR: \
__g="None"; \
break; \
case AT_A: \
snprintf(__t,MAX_INT_STR,"%d", \
ap->service); \
__g=__t; \
break; \
default: \
__g="UNKNOW"; \
break; \
} \
__g;})
#define PROTO_STR(ap) \
({ \
char *__h; \
switch((ap)->qtype) { \
case AT_G: \
__h="*"; \
break; \
case AT_PTR: \
__h="None"; \
break; \
case AT_A: \
if (!ap->service) \
__h="None"; \
else \
__h=ap->p==SNSD_PROTO_TCP? \
SNSD_PROTO_TCP_STR: \
SNSD_PROTO_UDP_STR; \
break; \
default: \
__h="UNKNOW"; \
break; \
} \
__h;})
#define GET_OPT_REALM (globopts.realm==REALM_NTK)?"NTK":"INET"
/* CODE UTILS */
#define GOP (globopts)
#define AMISILENT (GOP.silent)
#define GQT (GOP.q)
#define say printf
#define bye if (!AMISILENT) say("\tBye!\n");
#define COMPUTE_TIME diff_time(time_start,time_stop)
#define time_report if (!AMISILENT){gettimeofday(&time_stop,NULL); \
say("Query time: %f seconds.\n" \
,COMPUTE_TIME);}
#define G_ALIGN(len) GQT->qstlength=len;GQT->qstdata=(char*) \
xmalloc(len+1); \
if (!GQT->qstdata){say("Fatal malloc!\n"); \
exit(1);}
#define G_SETQST_A(s) G_ALIGN(strlen(s)+1);strcpy(GQT->qstdata,s); \
GQT->qstlength=strlen(s);
#define NTK_RESOLV_HASH_STR(s,d) \
({ \
int __i; \
for (__i=0;__i<ANDNS_HASH_H;__i++) \
sprintf(d+2*__i,"%02x",((unsigned char*)(s))[__i]); \
d[2*ANDNS_HASH_H]=0;})
#define NTK_RESOLV_STR_HASH(s,d) \
({ \
int __i,__t; \
for (__i=0;__i<ANDNS_HASH_H;__i++) { \
sscanf(s+2*__i,"%02x",&__t); \
d[__i]=(unsigned char)(__t);}})
#define NTK_RESOLV_IP_SYMBOL "~"
#define NTK_RESOLV_HNAME_SYMBOL "-"
#define NTK_RESOLV_SYMBOL(apd) (apd)->m&APD_IP?NTK_RESOLV_IP_SYMBOL: \
NTK_RESOLV_HNAME_SYMBOL
/* FUNCTIONS */
void version(void);
void usage(void);
void qt_usage(char *arg);
void realm_usage(char *arg);
void proto_usage(char *arg);
void service_and_proto_usage(char *arg);
double diff_time(struct timeval a, struct timeval b);
void opts_init(void);
void opts_set_silent(void);
void opts_set_port(char *arg);
void opts_set_ns(char *arg);
void opts_set_qt(char *arg);
void opts_set_realm(char *arg);
void opts_set_service_and_proto(char *arg);
void opts_set_proto(char *arg);
void opts_set_recursion(void);
void opts_set_hash(void);
void opts_set_compute_hash(void);
void opts_set_parsable_output(void);
void opts_set_question(char *arg);
void opts_finish(char *arg);
void print_headers();
void print_question();
void ip_bin_to_str(void *data, char *dst);
void answer_data_to_str(andns_pkt_data * apd, char *dst);
void print_answers();
void print_parsable_answers(void);
void print_results(void);
void do_command(void);
void ntkresolv_exit(int i);
void ntkresolv_safe_exit(int i);
int main(int argc, char **argv);
#endif /* NTK_RESOLV_H */
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