dig.c revision c5ec9b45bbf7175cf3c9b36293555c93bb703d93
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews/*
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * Copyright (C) 2000 Internet Software Consortium.
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews *
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * Permission to use, copy, modify, and distribute this software for any
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * purpose with or without fee is hereby granted, provided that the above
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * copyright notice and this permission notice appear in all copies.
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews *
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews * SOFTWARE.
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews */
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews/* $Id: dig.c,v 1.63 2000/07/13 18:52:55 mws Exp $ */
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews#include <config.h>
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews#include <stdlib.h>
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews#include <isc/app.h>
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews#include <isc/string.h>
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews#include <isc/util.h>
48019314431389cca5f8eba7ee9aa5bc08a67f4eMark Andrews#include <isc/task.h>
#include <dns/message.h>
#include <dns/name.h>
#include <dns/rdata.h>
#include <dns/rdataset.h>
#include <dns/rdatatype.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 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];
extern int exitcode;
extern isc_sockaddr_t bind_address;
extern char keynametext[MXNAME];
extern char keysecret[MXNAME];
extern dns_tsigkey_t *key;
extern isc_boolean_t validated;
extern isc_taskmgr_t *taskmgr;
extern isc_task_t *global_task;
extern isc_boolean_t debugging;
extern isc_boolean_t isc_mem_debugging;
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,
adflag = ISC_FALSE,
cdflag = ISC_FALSE;
static const char *opcodetext[] = {
"QUERY",
"IQUERY",
"STATUS",
"RESERVED3",
"NOTIFY",
"UPDATE",
"RESERVED6",
"RESERVED7",
"RESERVED8",
"RESERVED9",
"RESERVED10",
"RESERVED11",
"RESERVED12",
"RESERVED13",
"RESERVED14",
"RESERVED15"
};
static const char *rcodetext[] = {
"NOERROR",
"FORMERR",
"SERVFAIL",
"NXDOMAIN",
"NOTIMPL",
"REFUSED",
"YXDOMAIN",
"YXRRSET",
"NXRRSET",
"NOTAUTH",
"NOTZONE",
"RESERVED11",
"RESERVED12",
"RESERVED13",
"RESERVED14",
"RESERVED15",
"BADVERS"
};
extern char *progname;
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"
" (Use ixfr=version for type ixfr)\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"
" -y name:key (specify named base64 tsig key)\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 domain)\n"
" +[no]recursive (Recursive mode)\n"
" +[no]aaonly (Set AA flag in query)\n"
" +[no]adflag (Set AD flag in query)\n"
" +[no]cdflag (Set CD flag in query)\n"
" +[no]details (Show details of all requests)\n"
" +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"
" +[no]all (Set or clear all display flags)\n"
" +qr (Print question before sending)\n"
" +[no]cdflag (Set or clear CD flag in query)\n"
" +[no]adflag (Set or clear AD flag in query)\n"
" +[no]nssearch (Search all authorative nameservers)\n"
" +[no]identify (ID responders in short answers)\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) {
free_lists();
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", bytes);
if (key != NULL) {
if (!validated)
puts(";; WARNING -- Some TSIG could not "
"be validated");
}
if ((key == NULL) && (keysecret[0] != 0)) {
puts(";; WARNING -- TSIG key was not used.");
}
puts("");
} else if (query->lookup->identify && !short_form) {
diff = isc_time_microdiff(&now, &query->time_sent);
printf(";; Received %u bytes from %.*s(%s) in %d ms\n\n",
bytes, frmsize, frm, query->servname,
(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 = NULL;
unsigned int len = OUTPUTBUF;
UNUSED(query);
debug("printmessage(%s)", headers ? "headers" : "noheaders");
/*
* Exitcode 9 means we timed out, but if we're printing a message,
* we must 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, len);
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) {
question_again:
result = dns_message_sectiontotext(msg,
DNS_SECTION_QUESTION,
flags, buf);
if (result == ISC_R_NOSPACE) {
len += OUTPUTBUF;
isc_buffer_free(&buf);
result = isc_buffer_allocate(mctx, &buf, len);
if (result == ISC_R_SUCCESS)
goto question_again;
}
check_result(result, "dns_message_sectiontotext");
}
}
if (query->lookup->section_answer) {
if (!short_form) {
answer_again:
result = dns_message_sectiontotext(msg,
DNS_SECTION_ANSWER,
flags, buf);
if (result == ISC_R_NOSPACE) {
len += OUTPUTBUF;
isc_buffer_free(&buf);
result = isc_buffer_allocate(mctx, &buf, len);
if (result == ISC_R_SUCCESS)
goto answer_again;
}
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) {
authority_again:
result = dns_message_sectiontotext(msg,
DNS_SECTION_AUTHORITY,
flags, buf);
if (result == ISC_R_NOSPACE) {
len += OUTPUTBUF;
isc_buffer_free(&buf);
result = isc_buffer_allocate(mctx, &buf, len);
if (result == ISC_R_SUCCESS)
goto authority_again;
}
check_result(result, "dns_message_sectiontotext");
}
}
if (query->lookup->section_additional) {
if (!short_form) {
additional_again:
result = dns_message_sectiontotext(msg,
DNS_SECTION_ADDITIONAL,
flags, buf);
if (result == ISC_R_NOSPACE) {
len += OUTPUTBUF;
isc_buffer_free(&buf);
result = isc_buffer_allocate(mctx, &buf, len);
if (result == ISC_R_SUCCESS)
goto additional_again;
}
check_result(result, "dns_message_sectiontotext");
/*
* Only print the signature on the first record.
*/
if (headers) {
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;
static dig_lookup_t *default_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;
char *ptr;
/*
* 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.
*
* First, create a "default lookup" which won't actually be used
* anywhere, except for cloning into new lookups
*/
if (!is_batchfile)
default_lookup = make_empty_lookup();
lookup = default_lookup;
rc = argc;
rv = argv;
for (rc--, rv++; rc > 0; rc--, rv++) {
debug("main parsing %s", rv[0]);
if (strncmp(rv[0], "%", 1) == 0)
break;
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 (!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 if ((strcmp(rv[0], "+vc") == 0)
&& (!is_batchfile)) {
lookup->tcp_mode = ISC_TRUE;
} else if ((strcmp(rv[0], "+novc") == 0)
&& (!is_batchfile)) {
lookup->tcp_mode = ISC_FALSE;
} else if ((strcmp(rv[0], "+tcp") == 0)
&& (!is_batchfile)) {
lookup->tcp_mode = ISC_TRUE;
} else if ((strcmp(rv[0], "+notcp") == 0)
&& (!is_batchfile)) {
lookup->tcp_mode = 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) {
lookup->defname = ISC_TRUE;
} else if (strncmp(rv[0], "+nodefn", 7) == 0) {
lookup->defname = ISC_FALSE;
} else if (strncmp(rv[0], "+time=", 6) == 0) {
/* Global option always */
timeout = atoi(&rv[0][6]);
if (timeout <= 0)
timeout = 1;
debug("timeout set to %d", timeout);
} else if (strncmp(rv[0], "+timeout=", 9) == 0) {
/* Global option always */
timeout = atoi(&rv[0][9]);
if (timeout <= 0)
timeout = 1;
debug("timeout set to %d", timeout);
} else if (strncmp(rv[0], "+tries=", 7) == 0) {
lookup->retries = atoi(&rv[0][7]);
if (lookup->retries <= 0)
lookup->retries = 1;
} else if (strncmp(rv[0], "+buf=", 5) == 0) {
lookup->udpsize = atoi(&rv[0][5]);
if (lookup->udpsize <= 0)
lookup->udpsize = 0;
if (lookup->udpsize > COMMSIZE)
lookup->udpsize = COMMSIZE;
} else if (strncmp(rv[0], "+bufsize=", 9) == 0) {
lookup->udpsize = atoi(&rv[0][9]);
if (lookup->udpsize <= 0)
lookup->udpsize = 0;
if (lookup->udpsize > COMMSIZE)
lookup->udpsize = 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) {
lookup->recurse = ISC_TRUE;
} else if (strncmp(rv[0], "+norec", 6) == 0) {
lookup->recurse = ISC_FALSE;
} else if (strncmp(rv[0], "+aa", 3) == 0) {
lookup->aaonly = ISC_TRUE;
} else if (strncmp(rv[0], "+noaa", 5) == 0) {
lookup->aaonly = ISC_FALSE;
} else if (strncmp(rv[0], "+adf", 4) == 0) {
lookup->adflag = ISC_TRUE;
} else if (strncmp(rv[0], "+noadf", 6) == 0) {
lookup->adflag = ISC_FALSE;
} else if (strncmp(rv[0], "+cd", 3) == 0) {
lookup->cdflag = ISC_TRUE;
} else if (strncmp(rv[0], "+nocd", 5) == 0) {
lookup->cdflag = ISC_FALSE;
} else if (strncmp(rv[0], "+ns", 3) == 0) {
lookup->ns_search_only = ISC_TRUE;
lookup->trace_root = ISC_TRUE;
lookup->recurse = ISC_FALSE;
lookup->identify = ISC_TRUE;
lookup->stats = ISC_FALSE;
if (!forcecomment)
lookup->comments = ISC_FALSE;
lookup->section_additional = ISC_FALSE;
lookup->section_authority = ISC_FALSE;
lookup->section_question = ISC_FALSE;
} else if (strncmp(rv[0], "+nons", 6) == 0) {
lookup->ns_search_only = ISC_FALSE;
} else if (strncmp(rv[0], "+tr", 3) == 0) {
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_TRUE;
lookup->section_question = ISC_FALSE;
show_details = ISC_TRUE;
} else if (strncmp(rv[0], "+notr", 6) == 0) {
lookup->trace = ISC_FALSE;
lookup->trace_root = 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;
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 if (strncmp(rv[0], "+nosho", 6) == 0) {
short_form = ISC_FALSE;
} else if (strncmp(rv[0], "+id", 3) == 0) {
lookup->identify = ISC_TRUE;
} else if (strncmp(rv[0], "+noid", 5) == 0) {
lookup->identify = ISC_FALSE;
} else if (strncmp(rv[0], "+com", 4) == 0) {
lookup->comments = ISC_TRUE;
forcecomment = ISC_TRUE;
} else if (strncmp(rv[0], "+nocom", 6) == 0) {
lookup->comments = ISC_FALSE;
lookup->stats = ISC_FALSE;
forcecomment = ISC_FALSE;
} else if (strncmp(rv[0], "+sta", 4) == 0) {
lookup->stats = ISC_TRUE;
} else if (strncmp(rv[0], "+nosta", 6) == 0) {
lookup->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) {
lookup->section_question = ISC_TRUE;
} else if (strncmp(rv[0], "+noque", 6) == 0) {
lookup->section_question = ISC_FALSE;
} else if (strncmp(rv[0], "+ans", 4) == 0) {
lookup->section_answer = ISC_TRUE;
} else if (strncmp(rv[0], "+noans", 6) == 0) {
lookup->section_answer = ISC_FALSE;
} else if (strncmp(rv[0], "+add", 4) == 0) {
lookup->section_additional = ISC_TRUE;
} else if (strncmp(rv[0], "+noadd", 6) == 0) {
lookup->section_additional = ISC_FALSE;
} else if (strncmp(rv[0], "+aut", 4) == 0) {
lookup->section_authority = ISC_TRUE;
} else if (strncmp(rv[0], "+noaut", 6) == 0) {
lookup->section_authority = ISC_FALSE;
} else if (strncmp(rv[0], "+all", 4) == 0) {
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 if (strncmp(rv[0], "+noall", 6) == 0) {
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 if (strncmp(rv[0], "-c", 2) == 0) {
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 (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], "-y", 2) == 0) {
if (rv[0][2] != 0)
ptr = &rv[0][2];
else {
ptr = rv[1];
rv++;
rc--;
}
ptr = strtok(ptr,":");
if (ptr == NULL) {
show_usage();
exit(exitcode);
}
strncpy(keynametext, ptr, MXNAME);
ptr = strtok(NULL, "");
if (ptr == NULL) {
show_usage();
exit(exitcode);
}
strncpy(keysecret, ptr, MXNAME);
} 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 (strcmp(rv[0], "-memdebug") == 0) {
isc_mem_debugging = 1;
} else if (strcmp(rv[0], "-debug") == 0) {
debugging = ISC_TRUE;
} 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 = clone_lookup(default_lookup, ISC_TRUE);
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);
lookup->trace_root = ISC_TF(lookup->trace ||
lookup->ns_search_only);
strcpy(lookup->rttext, "ptr");
strcpy(lookup->rctext, "in");
lookup->new_search = ISC_TRUE;
ISC_LIST_APPEND(lookup_list, lookup, link);
have_host = ISC_TRUE;
rv++;
rc--;
} else {
/*
* If we decide to allow query type and class
* to be specified (without -t and -c options)
* before a host is given, all that needs to
* happen is the have_host test here get removed.
* Nothing should break by doing this.
*/
if (have_host) {
if (strncmp(rv[0], "ixfr=", 5) == 0) {
strcpy(lookup->rttext, "ixfr");
lookup->ixfr_serial =
atoi(&rv[0][5]);
continue;
}
if (istype(rv[0])) {
strncpy(lookup->rttext, rv[0], MXRD);
continue;
} else if (isclass(rv[0])) {
strncpy(lookup->rctext, rv[0],
MXRD);
continue;
}
}
lookup=clone_lookup(default_lookup, ISC_TRUE);
strncpy(lookup->textname, rv[0], MXNAME-1);
lookup->trace_root = ISC_TF(lookup->trace ||
lookup->ns_search_only);
lookup->new_search = ISC_TRUE;
ISC_LIST_APPEND(lookup_list, lookup, link);
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, sizeof(batchline), 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");
}
bargv[0] = argv[0];
reorder_args(bargc, (char **)bargv);
parse_args(ISC_TRUE, bargc, (char **)bargv);
}
}
if (lookup_list.head == NULL) {
lookup=clone_lookup(default_lookup, ISC_TRUE);
lookup->trace_root = ISC_TF(lookup->trace ||
lookup->ns_search_only);
lookup->new_search = ISC_TRUE;
strcpy(lookup->textname, ".");
strcpy(lookup->rttext, "NS");
ISC_LIST_APPEND(lookup_list, lookup, link);
}
if (!is_batchfile)
printgreeting(argc, argv);
}
int
main(int argc, char **argv) {
isc_result_t result;
ISC_LIST_INIT(lookup_list);
ISC_LIST_INIT(server_list);
ISC_LIST_INIT(search_list);
debug("main()");
progname = argv[0];
setup_libs();
parse_args(ISC_FALSE, argc, argv);
setup_system();
result = isc_app_onrun(mctx, global_task, onrun_callback, NULL);
check_result(result, "isc_app_onrun");
isc_app_run();
/*
* XXXMWS This code should really NOT be bypassed. However,
* until the proper code can be added to handle SIGTERM/INT
* correctly, just exit out "hard" and deal as best we can.
*/
#if 0
if (taskmgr != NULL) {
debug("Freeing taskmgr");
isc_taskmgr_destroy(&taskmgr);
}
if (isc_mem_debugging)
isc_mem_stats(mctx, stderr);
if (mctx != NULL)
isc_mem_destroy(&mctx);
isc_app_finish();
#endif
return (exitcode);
}