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bind/bin/dig/dig.c
Michael Sawyer 6afdb1e5e4 Clean up some unused variables...
2000-05-25 00:01:30 +00:00

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/*
* Copyright (C) 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#include <config.h>
#include <stdlib.h>
extern int h_errno;
#include <isc/app.h>
#include <isc/string.h>
#include <isc/util.h>
#include <dns/message.h>
#include <dns/rdata.h>
#include <dns/rdataset.h>
#include <dns/rdatatype.h>
#include <dns/message.h>
#include <dig/dig.h>
extern ISC_LIST(dig_lookup_t) lookup_list;
extern ISC_LIST(dig_server_t) server_list;
extern ISC_LIST(dig_searchlist_t) search_list;
#define ADD_STRING(b, s) {if (strlen(s) >= \
isc_buffer_availablelength(b)) \
return(ISC_R_NOSPACE); else \
isc_buffer_putstr(b, s);}
extern isc_boolean_t have_ipv6, show_details, specified_source,
usesearch, qr;
extern in_port_t port;
extern unsigned int timeout;
extern isc_mem_t *mctx;
extern isc_taskmgr_t *taskmgr;
extern isc_task_t *task;
extern isc_timermgr_t *timermgr;
extern isc_socketmgr_t *socketmgr;
extern dns_messageid_t id;
extern char *rootspace[BUFSIZE];
extern isc_buffer_t rootbuf;
extern int sendcount;
extern int ndots;
extern int tries;
extern int lookup_counter;
extern char fixeddomain[MXNAME];
#ifdef TWIDDLE
extern isc_boolean_t twiddle;
#endif
extern int exitcode;
extern isc_sockaddr_t bind_address;
isc_boolean_t short_form = ISC_FALSE, printcmd = ISC_TRUE;
isc_uint16_t bufsize = 0;
isc_boolean_t identify = ISC_FALSE,
trace = ISC_FALSE, ns_search_only = ISC_FALSE,
forcecomment = ISC_FALSE, stats = ISC_TRUE,
comments = ISC_TRUE, section_question = ISC_TRUE,
section_answer = ISC_TRUE, section_authority = ISC_TRUE,
section_additional = ISC_TRUE, recurse = ISC_TRUE,
defname = ISC_TRUE, aaonly = ISC_FALSE, tcpmode = ISC_FALSE;
static char *opcodetext[] = {
"QUERY",
"IQUERY",
"STATUS",
"RESERVED3",
"NOTIFY",
"UPDATE",
"RESERVED6",
"RESERVED7",
"RESERVED8",
"RESERVED9",
"RESERVED10",
"RESERVED11",
"RESERVED12",
"RESERVED13",
"RESERVED14",
"RESERVED15"
};
static char *rcodetext[] = {
"NOERROR",
"FORMERR",
"SERVFAIL",
"NXDOMAIN",
"NOTIMPL",
"REFUSED",
"YXDOMAIN",
"YXRRSET",
"NXRRSET",
"NOTAUTH",
"NOTZONE",
"RESERVED11",
"RESERVED12",
"RESERVED13",
"RESERVED14",
"RESERVED15",
"BADVERS"
};
static void
show_usage(void) {
fputs (
"Usage: dig [@global-server] [domain] [q-type] [q-class] {q-opt}\n"
" {global-d-opt} host [@local-server] {local-d-opt}\n"
" [ host [@local-server] {local-d-opt} [...]]\n"
"Where: domain are in the Domain Name System\n"
" q-class is one of (in,chaos,...) [default: in]\n"
" q-type is one of (a,any,mx,ns,soa,hinfo,axfr,txt,...) [default:a]\n"
" q-opt is one of:\n"
" -x dot-notation (shortcut for in-addr lookups)\n"
" -f filename (batch mode)\n"
" -p port (specify port number)\n"
" -t type (specify query type)\n"
" -c class (specify query class)\n"
" d-opt is of the form +keyword[=value], where keyword is:\n"
" +[no]vc (TCP mode)\n"
" +[no]tcp (TCP mode, alternate syntax)\n"
" +time=### (Set query timeout) [5]\n"
" +tries=### (Set number of UDP attempts) [3]\n"
" +domain=### (Set default domainname)\n"
" +bufsize=### (Set EDNS0 Max UDP packet size)\n"
" +[no]search (Set whether to use searchlist)\n"
" +[no]defname (Set whether to use default domaon)\n"
" +[no]recursive (Recursive mode)\n"
" +[no]aaonly (Set AA flag in query)\n"
" +[no]details (Show details of all requests)\n"
#ifdef TWIDDLE
" +twiddle (Intentionally form bad requests)\n"
#endif
" +ndots=### (Set NDOTS value)\n"
" +[no]comments (Control display of comment lines)\n"
" +[no]question (Control display of question)\n"
" +[no]answer (Control display of answer)\n"
" +[no]authority (Control display of authority)\n"
" +[no]additional (Control display of additional)\n"
" +[no]short (Disable everything except short\n"
" form of answer)\n"
" +qr (Print question before sending)\n"
" Additional d-opts subject to removal before release:\n"
" +[no]nssearch (Search all authorative nameservers)\n"
" +[no]identify (ID responders in short answers)\n"
" Available but not yet completed:\n"
" +[no]trace (Trace delegation down from root)\n"
" global d-opts and servers (before host name) affect all queries.\n"
" local d-opts and servers (after host name) affect only that lookup.\n"
, stderr);
}
void
dighost_shutdown(void) {
isc_app_shutdown();
}
void
received(int bytes, int frmsize, char *frm, dig_query_t *query) {
isc_uint64_t diff;
isc_time_t now;
isc_result_t result;
time_t tnow;
result = isc_time_now(&now);
check_result (result, "isc_time_now");
if (query->lookup->stats) {
diff = isc_time_microdiff(&now, &query->time_sent);
printf(";; Query time: %ld msec\n", (long int)diff/1000);
printf(";; SERVER: %.*s\n", frmsize, frm);
time (&tnow);
printf(";; WHEN: %s", ctime(&tnow));
printf (";; MSG SIZE rcvd: %d\n\n", bytes);
} else if (query->lookup->identify && !short_form) {
diff = isc_time_microdiff(&now, &query->time_sent);
printf(";; Received %u bytes from %.*s in %d ms\n",
bytes, frmsize, frm, (int)diff/1000);
}
}
void
trying(int frmsize, char *frm, dig_lookup_t *lookup) {
UNUSED (frmsize);
UNUSED (frm);
UNUSED (lookup);
}
static isc_result_t
say_message(dns_rdata_t *rdata, dig_query_t *query, isc_buffer_t *buf) {
isc_result_t result;
isc_uint64_t diff;
isc_time_t now;
char store[sizeof("12345678901234567890")];
if (query->lookup->trace || query->lookup->ns_search_only) {
result = dns_rdatatype_totext(rdata->type, buf);
if (result != ISC_R_SUCCESS)
return (result);
ADD_STRING(buf, " ");
}
result = dns_rdata_totext(rdata, NULL, buf);
check_result(result, "dns_rdata_totext");
if (query->lookup->identify) {
result = isc_time_now(&now);
if (result != ISC_R_SUCCESS)
return (result);
diff = isc_time_microdiff(&now, &query->time_sent);
ADD_STRING(buf, " from server ");
ADD_STRING(buf, query->servname);
snprintf (store, 19, " in %d ms.", (int)diff/1000);
ADD_STRING(buf, store);
}
ADD_STRING(buf,"\n");
return (ISC_R_SUCCESS);
}
static isc_result_t
short_answer(dns_message_t *msg, dns_messagetextflag_t flags,
isc_buffer_t *buf, dig_query_t *query)
{
dns_name_t *name;
dns_rdataset_t *rdataset;
isc_buffer_t target;
isc_result_t result, loopresult;
dns_name_t empty_name;
char t[4096];
dns_rdata_t rdata;
UNUSED (flags);
dns_name_init(&empty_name, NULL);
result = dns_message_firstname(msg, DNS_SECTION_ANSWER);
if (result == ISC_R_NOMORE)
return (ISC_R_SUCCESS);
else if (result != ISC_R_SUCCESS)
return (result);
for (;;) {
name = NULL;
dns_message_currentname(msg, DNS_SECTION_ANSWER, &name);
isc_buffer_init(&target, t, sizeof(t));
for (rdataset = ISC_LIST_HEAD(name->list);
rdataset != NULL;
rdataset = ISC_LIST_NEXT(rdataset, link)) {
loopresult = dns_rdataset_first(rdataset);
while (loopresult == ISC_R_SUCCESS) {
dns_rdataset_current(rdataset, &rdata);
result = say_message(&rdata, query,
buf);
check_result (result, "say_message");
loopresult = dns_rdataset_next(
rdataset);
}
}
result = dns_message_nextname(msg, DNS_SECTION_ANSWER);
if (result == ISC_R_NOMORE)
break;
else if (result != ISC_R_SUCCESS)
return (result);
}
return (ISC_R_SUCCESS);
}
isc_result_t
printmessage(dig_query_t *query, dns_message_t *msg, isc_boolean_t headers) {
isc_boolean_t did_flag = ISC_FALSE;
isc_result_t result;
dns_messagetextflag_t flags;
isc_buffer_t *buf;
UNUSED (query);
debug ("printmessage(%s)",headers?"headers":"noheaders");
/*
* Exitcode 9 means we timed out, but if we're printing a message,
* we much have recovered. Go ahead and reset it to code 0, and
* call this a success.
*/
if (exitcode == 9)
exitcode = 0;
flags = 0;
if (!headers) {
flags |= DNS_MESSAGETEXTFLAG_NOHEADERS;
flags |= DNS_MESSAGETEXTFLAG_NOCOMMENTS;
}
if (!query->lookup->comments)
flags |= DNS_MESSAGETEXTFLAG_NOCOMMENTS;
result = ISC_R_SUCCESS;
result = isc_buffer_allocate(mctx, &buf, OUTPUTBUF);
check_result (result, "isc_buffer_allocate");
if (query->lookup->comments && !short_form) {
if (!query->lookup->doing_xfr) {
if (msg == query->lookup->sendmsg)
printf (";; Sending:\n");
else
printf (";; Got answer:\n");
}
if (headers) {
printf(";; ->>HEADER<<- opcode: %s, status: %s, "
"id: %u\n",
opcodetext[msg->opcode], rcodetext[msg->rcode],
msg->id);
printf(";; flags: ");
if ((msg->flags & DNS_MESSAGEFLAG_QR) != 0) {
printf("qr");
did_flag = ISC_TRUE;
}
if ((msg->flags & DNS_MESSAGEFLAG_AA) != 0) {
printf("%saa", did_flag ? " " : "");
did_flag = ISC_TRUE; }
if ((msg->flags & DNS_MESSAGEFLAG_TC) != 0) {
printf("%stc", did_flag ? " " : "");
did_flag = ISC_TRUE;
}
if ((msg->flags & DNS_MESSAGEFLAG_RD) != 0) {
printf("%srd", did_flag ? " " : "");
did_flag = ISC_TRUE;
}
if ((msg->flags & DNS_MESSAGEFLAG_RA) != 0) {
printf("%sra", did_flag ? " " : "");
did_flag = ISC_TRUE;
}
if ((msg->flags & DNS_MESSAGEFLAG_AD) != 0) {
printf("%sad", did_flag ? " " : "");
did_flag = ISC_TRUE;
}
if ((msg->flags & DNS_MESSAGEFLAG_CD) != 0) {
printf("%scd", did_flag ? " " : "");
did_flag = ISC_TRUE;
}
printf("; QUERY: %u, ANSWER: %u, "
"AUTHORITY: %u, ADDITIONAL: %u\n",
msg->counts[DNS_SECTION_QUESTION],
msg->counts[DNS_SECTION_ANSWER],
msg->counts[DNS_SECTION_AUTHORITY],
msg->counts[DNS_SECTION_ADDITIONAL]);
result = dns_message_pseudosectiontotext(msg,
DNS_PSEUDOSECTION_OPT,
flags, buf);
check_result(result,
"dns_message_pseudosectiontotext");
}
}
if (query->lookup->section_question && headers) {
if (!short_form) {
result = dns_message_sectiontotext(msg,
DNS_SECTION_QUESTION,
flags, buf);
check_result(result, "dns_message_sectiontotext");
}
}
if (query->lookup->section_answer) {
if (!short_form) {
result = dns_message_sectiontotext(msg,
DNS_SECTION_ANSWER,
flags, buf);
check_result(result, "dns_message_sectiontotext");
}
else {
result = short_answer(msg, flags, buf, query);
check_result (result, "short_answer");
}
}
if (query->lookup->section_authority) {
if (!short_form) {
result = dns_message_sectiontotext(msg,
DNS_SECTION_AUTHORITY,
flags, buf);
check_result(result, "dns_message_sectiontotext");
}
}
if (query->lookup->section_additional) {
if (!short_form) {
result = dns_message_sectiontotext(msg,
DNS_SECTION_ADDITIONAL,
flags, buf);
check_result(result, "dns_message_sectiontotext");
result = dns_message_pseudosectiontotext(msg,
DNS_PSEUDOSECTION_TSIG,
flags, buf);
check_result(result, "dns_message_pseudosectiontotext");
result = dns_message_pseudosectiontotext(msg,
DNS_PSEUDOSECTION_SIG0,
flags, buf);
check_result(result,
"dns_message_pseudosectiontotext");
}
}
if (headers && query->lookup->comments && !short_form)
printf("\n");
printf ("%.*s",(int)isc_buffer_usedlength(buf),
(char *)isc_buffer_base(buf));
isc_buffer_free(&buf);
return (result);
}
static void
printgreeting(int argc, char **argv) {
int i = 1;
if (printcmd) {
puts ("");
printf ("; <<>> DiG 9.0 <<>>");
while (i < argc) {
printf (" %s", argv[i++]);
}
puts ("");
printf (";; global options: %s %s\n",
short_form?"short_form":"",
printcmd?"printcmd":"");
}
}
/*
* Reorder an argument list so that server names all come at the end.
* This is a bit of a hack, to allow batch-mode processing to properly
* handle the server options.
*/
static void
reorder_args(int argc, char *argv[]) {
int i, j;
char *ptr;
int end;
debug ("reorder_args()");
end = argc-1;
while (argv[end][0] == '@') {
end--;
if (end == 0)
return;
}
debug ("arg[end]=%s",argv[end]);
for (i = 1; i<end-1; i++) {
if (argv[i][0] == '@') {
debug ("Arg[%d]=%s", i, argv[i]);
ptr = argv[i];
for (j = i+1; j<end; j++) {
debug ("Moving %s to %d", argv[j], j-1);
argv[j-1] = argv[j];
}
debug ("Moving %s to end, %d", ptr, end-1);
argv[end-1] = ptr;
end--;
if (end < 1)
return;
}
}
}
/*
* We're not using isc_commandline_parse() here since the command line
* syntax of dig is quite a bit different from that which can be described
* that routine. There is a portability issue here.
*/
static void
parse_args(isc_boolean_t is_batchfile, int argc, char **argv) {
isc_boolean_t have_host = ISC_FALSE;
dig_server_t *srv = NULL;
dig_lookup_t *lookup = NULL;
char *batchname = NULL;
char batchline[MXNAME];
char address[MXNAME];
FILE *fp = NULL;
int bargc;
char *bargv[16];
int i, n;
int adrs[4];
int rc;
char **rv;
/*
* The semantics for parsing the args is a bit complex; if
* we don't have a host yet, make the arg apply globally,
* otherwise make it apply to the latest host. This is
* a bit different than the previous versions, but should
* form a consistent user interface.
*/
rc = argc;
rv = argv;
for (rc--, rv++; rc > 0; rc--, rv++) {
debug ("Main parsing %s", rv[0]);
if (strncmp(rv[0], "@", 1) == 0) {
srv = isc_mem_allocate(mctx,
sizeof(struct dig_server));
if (srv == NULL)
fatal("Memory allocation failure.");
strncpy(srv->servername, &rv[0][1], MXNAME-1);
if (is_batchfile && have_host) {
if (!lookup->use_my_server_list) {
ISC_LIST_INIT (lookup->
my_server_list);
lookup->use_my_server_list =
ISC_TRUE;
}
ISC_LIST_APPEND(lookup->my_server_list,
srv, link);
} else {
ISC_LIST_APPEND(server_list, srv, link);
}
} else if ((strcmp(rv[0], "+vc") == 0)
&& (!is_batchfile)) {
if (have_host)
lookup->tcp_mode = ISC_TRUE;
else
tcpmode = ISC_TRUE;
} else if ((strcmp(rv[0], "+novc") == 0)
&& (!is_batchfile)) {
if (have_host)
lookup->tcp_mode = ISC_FALSE;
else
tcpmode = ISC_FALSE;
} else if ((strcmp(rv[0], "+tcp") == 0)
&& (!is_batchfile)) {
if (have_host)
lookup->tcp_mode = ISC_TRUE;
else
tcpmode = ISC_TRUE;
} else if ((strcmp(rv[0], "+notcp") == 0)
&& (!is_batchfile)) {
if (have_host)
lookup->tcp_mode = ISC_FALSE;
else
tcpmode = ISC_FALSE;
} else if (strncmp(rv[0], "+domain=", 8) == 0) {
/* Global option always */
strncpy (fixeddomain, &rv[0][8], MXNAME);
} else if (strncmp(rv[0], "+sea", 4) == 0) {
/* Global option always */
usesearch = ISC_TRUE;
} else if (strncmp(rv[0], "+nosea", 6) == 0) {
usesearch = ISC_FALSE;
} else if (strncmp(rv[0], "+defn", 5) == 0) {
if (have_host)
lookup->defname = ISC_TRUE;
else
defname = ISC_TRUE;
} else if (strncmp(rv[0], "+nodefn", 7) == 0) {
if (have_host)
lookup->defname = ISC_FALSE;
else
defname = ISC_FALSE;
} else if (strncmp(rv[0], "+time=", 6) == 0) {
/* Global option always */
timeout = atoi(&rv[0][6]);
if (timeout <= 0)
timeout = 1;
} else if (strncmp(rv[0], "+tries=", 7) == 0) {
if (have_host) {
lookup->retries = atoi(&rv[0][7]);
if (lookup->retries <= 0)
lookup->retries = 1;
} else {
tries = atoi(&rv[0][7]);
if (tries <= 0)
tries = 1;
}
} else if (strncmp(rv[0], "+buf=", 5) == 0) {
if (have_host) {
lookup->udpsize = atoi(&rv[0][5]);
if (lookup->udpsize <= 0)
lookup->udpsize = 0;
if (lookup->udpsize > COMMSIZE)
lookup->udpsize = COMMSIZE;
} else {
bufsize = atoi(&rv[0][5]);
if (bufsize <= 0)
bufsize = 0;
if (bufsize > COMMSIZE)
bufsize = COMMSIZE;
}
} else if (strncmp(rv[0], "+bufsize=", 9) == 0) {
if (have_host) {
lookup->udpsize = atoi(&rv[0][9]);
if (lookup->udpsize <= 0)
lookup->udpsize = 0;
if (lookup->udpsize > COMMSIZE)
lookup->udpsize = COMMSIZE;
} else {
bufsize = atoi(&rv[0][9]);
if (bufsize <= 0)
bufsize = 0;
if (bufsize > COMMSIZE)
bufsize = COMMSIZE;
}
} else if (strncmp(rv[0], "+ndots=", 7) == 0) {
/* Global option always */
ndots = atoi(&rv[0][7]);
if (ndots < 0)
ndots = 0;
} else if (strncmp(rv[0], "+rec", 4) == 0) {
if (have_host)
lookup->recurse = ISC_TRUE;
else
recurse = ISC_TRUE;
} else if (strncmp(rv[0], "+norec", 6) == 0) {
if (have_host)
lookup->recurse = ISC_FALSE;
else
recurse = ISC_FALSE;
} else if (strncmp(rv[0], "+aa", 3) == 0) {
if (have_host)
lookup->aaonly = ISC_TRUE;
else
aaonly = ISC_TRUE;
} else if (strncmp(rv[0], "+noaa", 5) == 0) {
if (have_host)
lookup->aaonly = ISC_FALSE;
else
aaonly = ISC_FALSE;
} else if (strncmp(rv[0], "+ns", 3) == 0) {
if (have_host) {
lookup->ns_search_only = ISC_TRUE;
lookup->recurse = ISC_FALSE;
lookup->identify = ISC_TRUE;
lookup->trace = ISC_TRUE;
if (!forcecomment)
lookup->comments = ISC_FALSE;
lookup->section_additional = ISC_FALSE;
lookup->section_authority = ISC_FALSE;
lookup->section_question = ISC_FALSE;
} else {
ns_search_only = ISC_TRUE;
recurse = ISC_FALSE;
identify = ISC_TRUE;
if (!forcecomment)
comments = ISC_FALSE;
section_additional = ISC_FALSE;
section_authority = ISC_FALSE;
section_question = ISC_FALSE;
}
} else if (strncmp(rv[0], "+nons", 6) == 0) {
if (have_host)
lookup->ns_search_only = ISC_FALSE;
else
ns_search_only = ISC_FALSE;
} else if (strncmp(rv[0], "+tr", 3) == 0) {
if (have_host) {
lookup->trace = ISC_TRUE;
lookup->trace_root = ISC_TRUE;
lookup->recurse = ISC_FALSE;
lookup->identify = ISC_TRUE;
if (!forcecomment) {
lookup->comments = ISC_FALSE;
lookup->stats = ISC_FALSE;
}
lookup->section_additional = ISC_FALSE;
lookup->section_authority = ISC_FALSE;
lookup->section_question = ISC_FALSE;
show_details = ISC_TRUE;
} else {
trace = ISC_TRUE;
recurse = ISC_FALSE;
identify = ISC_TRUE;
if (!forcecomment) {
comments = ISC_FALSE;
stats = ISC_FALSE;
}
section_additional = ISC_FALSE;
section_authority = ISC_FALSE;
section_question = ISC_FALSE;
show_details = ISC_TRUE;
}
} else if (strncmp(rv[0], "+notr", 6) == 0) {
if (have_host) {
lookup->trace = ISC_FALSE;
lookup->trace_root = ISC_FALSE;
}
else
trace = ISC_FALSE;
} else if (strncmp(rv[0], "+det", 4) == 0) {
show_details = ISC_TRUE;
} else if (strncmp(rv[0], "+nodet", 6) == 0) {
show_details = ISC_FALSE;
} else if (strncmp(rv[0], "+cmd", 4) == 0) {
printcmd = ISC_TRUE;
} else if (strncmp(rv[0], "+nocmd", 6) == 0) {
printcmd = ISC_FALSE;
} else if (strncmp(rv[0], "+sho", 4) == 0) {
short_form = ISC_TRUE;
printcmd = ISC_FALSE;
if (have_host) {
lookup->section_additional = ISC_FALSE;
lookup->section_authority = ISC_FALSE;
lookup->section_question = ISC_FALSE;
if (!forcecomment) {
lookup->comments = ISC_FALSE;
lookup->stats = ISC_FALSE;
}
} else {
section_additional = ISC_FALSE;
section_authority = ISC_FALSE;
section_question = ISC_FALSE;
if (!forcecomment) {
comments = ISC_FALSE;
stats = ISC_FALSE;
}
}
} else if (strncmp(rv[0], "+nosho", 6) == 0) {
short_form = ISC_FALSE;
} else if (strncmp(rv[0], "+id", 3) == 0) {
if (have_host)
lookup->identify = ISC_TRUE;
else
identify = ISC_TRUE;
} else if (strncmp(rv[0], "+noid", 5) == 0) {
if (have_host)
lookup->identify = ISC_FALSE;
else
identify = ISC_FALSE;
} else if (strncmp(rv[0], "+com", 4) == 0) {
if (have_host)
lookup->comments = ISC_TRUE;
else
comments = ISC_TRUE;
forcecomment = ISC_TRUE;
} else if (strncmp(rv[0], "+nocom", 6) == 0) {
if (have_host) {
lookup->comments = ISC_FALSE;
lookup->stats = ISC_FALSE;
} else {
comments = ISC_FALSE;
stats = ISC_FALSE;
}
forcecomment = ISC_FALSE;
} else if (strncmp(rv[0], "+sta", 4) == 0) {
if (have_host)
lookup->stats = ISC_TRUE;
else
stats = ISC_TRUE;
} else if (strncmp(rv[0], "+nosta", 6) == 0) {
if (have_host)
lookup->stats = ISC_FALSE;
else
stats = ISC_FALSE;
} else if (strncmp(rv[0], "+qr", 3) == 0) {
qr = ISC_TRUE;
} else if (strncmp(rv[0], "+noqr", 5) == 0) {
qr = ISC_FALSE;
} else if (strncmp(rv[0], "+que", 4) == 0) {
if (have_host)
lookup->section_question = ISC_TRUE;
else
section_question = ISC_TRUE;
} else if (strncmp(rv[0], "+noque", 6) == 0) {
if (have_host)
lookup->section_question = ISC_FALSE;
else
section_question = ISC_FALSE;
} else if (strncmp(rv[0], "+ans", 4) == 0) {
if (have_host)
lookup->section_answer = ISC_TRUE;
else
section_answer = ISC_TRUE;
} else if (strncmp(rv[0], "+noans", 6) == 0) {
if (have_host)
lookup->section_answer = ISC_FALSE;
else
section_answer = ISC_FALSE;
} else if (strncmp(rv[0], "+add", 4) == 0) {
if (have_host)
lookup->section_additional = ISC_TRUE;
else
section_additional = ISC_TRUE;
} else if (strncmp(rv[0], "+noadd", 6) == 0) {
if (have_host)
lookup->section_additional = ISC_FALSE;
else
section_additional = ISC_FALSE;
} else if (strncmp(rv[0], "+aut", 4) == 0) {
if (have_host)
lookup->section_authority = ISC_TRUE;
else
section_authority = ISC_TRUE;
} else if (strncmp(rv[0], "+noaut", 6) == 0) {
if (have_host)
lookup->section_authority = ISC_FALSE;
else
section_authority = ISC_FALSE;
} else if (strncmp(rv[0], "+all", 4) == 0) {
if (have_host) {
lookup->section_question = ISC_TRUE;
lookup->section_authority = ISC_TRUE;
lookup->section_answer = ISC_TRUE;
lookup->section_additional = ISC_TRUE;
lookup->comments = ISC_TRUE;
} else {
section_question = ISC_TRUE;
section_authority = ISC_TRUE;
section_answer = ISC_TRUE;
section_additional = ISC_TRUE;
comments = ISC_TRUE;
}
} else if (strncmp(rv[0], "+noall", 6) == 0) {
if (have_host) {
lookup->section_question = ISC_FALSE;
lookup->section_authority = ISC_FALSE;
lookup->section_answer = ISC_FALSE;
lookup->section_additional = ISC_FALSE;
lookup->comments = ISC_FALSE;
} else {
section_question = ISC_FALSE;
section_authority = ISC_FALSE;
section_answer = ISC_FALSE;
section_additional = ISC_FALSE;
comments = ISC_FALSE;
}
#ifdef TWIDDLE
} else if (strncmp(rv[0], "+twiddle", 6) == 0) {
twiddle = ISC_TRUE;
#endif
} else if (strncmp(rv[0], "-c", 2) == 0) {
if (have_host) {
if (rv[0][2] != 0) {
strncpy(lookup->rctext, &rv[0][2],
MXRD);
} else {
strncpy(lookup->rctext, rv[1],
MXRD);
rv++;
rc--;
}
}
} else if (strncmp(rv[0], "-t", 2) == 0) {
if (have_host) {
if (rv[0][2] != 0) {
strncpy(lookup->rttext, &rv[0][2],
MXRD);
} else {
strncpy(lookup->rttext, rv[1],
MXRD);
rv++;
rc--;
}
}
} else if (strncmp(rv[0], "-f", 2) == 0) {
if (rv[0][2] != 0) {
batchname = &rv[0][2];
} else {
batchname = rv[1];
rv++;
rc--;
}
} else if (strncmp(rv[0], "-p", 2) == 0) {
if (rv[0][2] != 0) {
port = atoi(&rv[0][2]);
} else {
port = atoi(rv[1]);
rv++;
rc--;
}
} else if (strncmp(rv[0], "-b", 2) == 0) {
if (rv[0][2] != 0) {
strncpy(address, &rv[0][2],
MXRD);
} else {
strncpy(address, rv[1],
MXRD);
rv++;
rc--;
}
get_address(address, 0, &bind_address);
specified_source = ISC_TRUE;
} else if (strncmp(rv[0], "-h", 2) == 0) {
show_usage();
exit (exitcode);
} else if (strncmp(rv[0], "-x", 2) == 0) {
/*
*XXXMWS Only works for ipv4 now.
* Can't use inet_pton here, since we allow
* partial addresses.
*/
if (rc == 1) {
show_usage();
exit (exitcode);
}
n = sscanf(rv[1], "%d.%d.%d.%d", &adrs[0], &adrs[1],
&adrs[2], &adrs[3]);
if (n == 0)
show_usage();
lookup = isc_mem_allocate(mctx,
sizeof(struct dig_lookup));
if (lookup == NULL)
fatal("Memory allocation failure.");
lookup->pending = ISC_FALSE;
lookup->textname[0] = 0;
for (i = n - 1; i >= 0; i--) {
snprintf(batchline, MXNAME/8, "%d.",
adrs[i]);
strncat(lookup->textname, batchline, MXNAME);
}
strncat(lookup->textname, "in-addr.arpa.", MXNAME);
debug("Looking up %s", lookup->textname);
strcpy(lookup->rttext, "ptr");
strcpy(lookup->rctext, "in");
lookup->namespace[0] = 0;
lookup->sendspace[0] = 0;
lookup->sendmsg = NULL;
lookup->name = NULL;
lookup->oname = NULL;
lookup->timer = NULL;
lookup->xfr_q = NULL;
lookup->origin = NULL;
lookup->use_my_server_list = ISC_FALSE;
lookup->trace = ISC_TF(trace || ns_search_only);
lookup->trace_root = trace;
lookup->ns_search_only = ns_search_only;
lookup->doing_xfr = ISC_FALSE;
lookup->defname = ISC_FALSE;
lookup->identify = identify;
lookup->recurse = recurse;
lookup->aaonly = aaonly;
lookup->retries = tries;
lookup->udpsize = bufsize;
lookup->nsfound = 0;
lookup->comments = comments;
lookup->tcp_mode = tcpmode;
lookup->stats = stats;
lookup->section_question = section_question;
lookup->section_answer = section_answer;
lookup->section_authority = section_authority;
lookup->section_additional = section_additional;
lookup->new_search = ISC_TRUE;
ISC_LIST_INIT(lookup->q);
lookup->origin = NULL;
ISC_LIST_INIT(lookup->my_server_list);
ISC_LIST_APPEND(lookup_list, lookup, link);
have_host = ISC_TRUE;
rv++;
rc--;
} else {
if (have_host) {
ENSURE(lookup != NULL);
if (istype(rv[0])) {
strncpy(lookup->rttext, rv[0], MXRD);
continue;
} else if (isclass(rv[0])) {
strncpy(lookup->rctext, rv[0],
MXRD);
continue;
}
}
lookup = isc_mem_allocate(mctx,
sizeof(struct dig_lookup));
if (lookup == NULL)
fatal("Memory allocation failure.");
lookup->pending = ISC_FALSE;
strncpy(lookup->textname, rv[0], MXNAME-1);
lookup->rttext[0] = 0;
lookup->rctext[0] = 0;
lookup->namespace[0] = 0;
lookup->sendspace[0] = 0;
lookup->sendmsg = NULL;
lookup->name = NULL;
lookup->oname = NULL;
lookup->timer = NULL;
lookup->xfr_q = NULL;
lookup->origin = NULL;
lookup->use_my_server_list = ISC_FALSE;
lookup->doing_xfr = ISC_FALSE;
lookup->defname = ISC_FALSE;
lookup->trace = ISC_TF(trace || ns_search_only);
lookup->trace_root = trace;
lookup->ns_search_only = ns_search_only;
lookup->identify = identify;
lookup->recurse = recurse;
lookup->aaonly = aaonly;
lookup->retries = tries;
lookup->udpsize = bufsize;
lookup->nsfound = 0;
lookup->comments = comments;
lookup->tcp_mode = tcpmode;
lookup->stats = stats;
lookup->section_question = section_question;
lookup->section_answer = section_answer;
lookup->section_authority = section_authority;
lookup->section_additional = section_additional;
lookup->new_search = ISC_TRUE;
ISC_LIST_INIT(lookup->q);
ISC_LIST_APPEND(lookup_list, lookup, link);
lookup->origin = NULL;
ISC_LIST_INIT(lookup->my_server_list);
have_host = ISC_TRUE;
debug("Looking up %s", lookup->textname);
}
}
if (batchname != NULL) {
fp = fopen(batchname, "r");
if (fp == NULL) {
perror(batchname);
if (exitcode < 10)
exitcode = 10;
fatal("Couldn't open specified batch file.");
}
while (fgets(batchline, MXNAME, fp) != 0) {
debug ("Batch line %s", batchline);
bargc = 1;
bargv[bargc] = strtok(batchline, " \t\r\n");
while ((bargv[bargc] != NULL) &&
(bargc < 14 )) {
bargc++;
bargv[bargc] = strtok(NULL, " \t\r\n");
}
bargc--;
bargv[0] = "dig";
reorder_args(bargc+1, (char**)bargv);
parse_args(ISC_TRUE, bargc+1, (char**)bargv);
}
}
if (lookup_list.head == NULL) {
lookup = isc_mem_allocate(mctx, sizeof(struct dig_lookup));
if (lookup == NULL)
fatal("Memory allocation failure.");
lookup->pending = ISC_FALSE;
lookup->rctext[0] = 0;
lookup->namespace[0] = 0;
lookup->sendspace[0] = 0;
lookup->sendmsg = NULL;
lookup->name = NULL;
lookup->oname = NULL;
lookup->timer = NULL;
lookup->xfr_q = NULL;
lookup->origin = NULL;
lookup->use_my_server_list = ISC_FALSE;
lookup->doing_xfr = ISC_FALSE;
lookup->defname = ISC_FALSE;
lookup->trace = ISC_TF(trace || ns_search_only);
lookup->trace_root = trace;
lookup->ns_search_only = ns_search_only;
lookup->identify = identify;
lookup->recurse = recurse;
lookup->aaonly = aaonly;
lookup->retries = tries;
lookup->udpsize = bufsize;
lookup->nsfound = 0;
lookup->comments = comments;
lookup->tcp_mode = tcpmode;
lookup->stats = stats;
lookup->section_question = section_question;
lookup->section_answer = section_answer;
lookup->section_authority = section_authority;
lookup->section_additional = section_additional;
lookup->new_search = ISC_TRUE;
ISC_LIST_INIT(lookup->q);
ISC_LIST_INIT(lookup->my_server_list);
strcpy(lookup->textname, ".");
strcpy(lookup->rttext, "NS");
lookup->rctext[0] = 0;
ISC_LIST_APPEND(lookup_list, lookup, link);
}
if (!is_batchfile)
printgreeting (argc, argv);
}
int
main(int argc, char **argv) {
#ifdef TWIDDLE
FILE *fp;
int i, p;
#endif
ISC_LIST_INIT(lookup_list);
ISC_LIST_INIT(server_list);
ISC_LIST_INIT(search_list);
debug ("dhmain()");
#ifdef TWIDDLE
fp = fopen("/dev/urandom", "r");
if (fp != NULL) {
fread (&i, sizeof(int), 1, fp);
srandom(i);
}
else {
srandom ((int)&main);
}
p = getpid()%16+8;
for (i = 0 ; i<p; i++);
#endif
setup_libs();
parse_args(ISC_FALSE, argc, argv);
setup_system();
start_lookup();
isc_app_run();
free_lists(0);
return (exitcode);
}
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