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Diffstat (limited to 'adns-0.6/client/adh-query.c')
-rw-r--r--adns-0.6/client/adh-query.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/adns-0.6/client/adh-query.c b/adns-0.6/client/adh-query.c
deleted file mode 100644
index bae71f4..0000000
--- a/adns-0.6/client/adh-query.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * adh-query.c
- * - useful general-purpose resolver client program
- * make queries and print answers
- */
-/*
- * This file is
- * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
- *
- * It is part of adns, which is
- * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
- * Copyright (C) 1999 Tony Finch <dot@dotat.at>
- *
- * This program 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, or (at your option)
- * any later version.
- *
- * This program 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. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include "adnshost.h"
-
-adns_state ads;
-struct outstanding_list outstanding;
-
-static unsigned long idcounter;
-
-void ensure_adns_init(void) {
- int r;
-
- if (ads) return;
-
- if (signal(SIGPIPE,SIG_IGN) == SIG_ERR) sysfail("ignore SIGPIPE",errno);
- r= adns_init(&ads,
- adns_if_noautosys|adns_if_nosigpipe |
- (ov_env ? 0 : adns_if_noenv) |
- ov_verbose,
- 0);
- if (r) sysfail("adns_init",r);
-
- if (ov_format == fmt_default)
- ov_format= ov_asynch ? fmt_asynch : fmt_simple;
-}
-
-static void prep_query(struct query_node **qun_r, int *quflags_r) {
- struct query_node *qun;
- char idbuf[20];
-
- if (ov_pipe && !ads) usageerr("-f/--pipe not consistent with domains on command line");
- ensure_adns_init();
-
- qun= malloc(sizeof(*qun));
- qun->pqfr= ov_pqfr;
- if (ov_id) {
- qun->id= xstrsave(ov_id);
- } else {
- sprintf(idbuf,"%lu",idcounter++);
- idcounter &= 0x0fffffffflu;
- qun->id= xstrsave(idbuf);
- }
-
- *quflags_r=
- (ov_search ? adns_qf_search : 0) |
- (ov_tcp ? adns_qf_usevc : 0) |
- ((ov_pqfr.show_owner || ov_format == fmt_simple) ? adns_qf_owner : 0) |
- (ov_qc_query ? adns_qf_quoteok_query : 0) |
- (ov_qc_anshost ? adns_qf_quoteok_anshost : 0) |
- (ov_qc_cname ? 0 : adns_qf_quoteok_cname) |
- ov_cname,
-
- *qun_r= qun;
-}
-
-void of_ptr(const struct optioninfo *oi, const char *arg) {
- struct query_node *qun;
- int quflags, r;
- struct sockaddr_in sa;
-
- memset(&sa,0,sizeof(sa));
- sa.sin_family= AF_INET;
- if (!inet_aton(arg,&sa.sin_addr)) usageerr("invalid IP address %s",arg);
-
- prep_query(&qun,&quflags);
- r= adns_submit_reverse(ads,
- (struct sockaddr*)&sa,
- ov_type == adns_r_none ? adns_r_ptr : ov_type,
- quflags,
- qun,
- &qun->qu);
- if (r) sysfail("adns_submit_reverse",r);
-
- LIST_LINK_TAIL(outstanding,qun);
-}
-
-void query_do(const char *domain) {
- struct query_node *qun;
- int quflags, r;
-
- prep_query(&qun,&quflags);
- r= adns_submit(ads, domain,
- ov_type == adns_r_none ? adns_r_addr : ov_type,
- quflags,
- qun,
- &qun->qu);
- if (r) sysfail("adns_submit",r);
-
- LIST_LINK_TAIL(outstanding,qun);
-}
-
-static void dequeue_query(struct query_node *qun) {
- LIST_UNLINK(outstanding,qun);
- free(qun->id);
- free(qun);
-}
-
-static void print_withspace(const char *str) {
- if (printf("%s ", str) == EOF) outerr();
-}
-
-static void print_ttl(struct query_node *qun, adns_answer *answer) {
- unsigned long ttl;
- time_t now;
-
- switch (qun->pqfr.ttl) {
- case tm_none:
- return;
- case tm_rel:
- if (time(&now) == (time_t)-1) sysfail("get current time",errno);
- ttl= answer->expires < now ? 0 : answer->expires - now;
- break;
- case tm_abs:
- ttl= answer->expires;
- break;
- default:
- abort();
- }
- if (printf("%lu ",ttl) == EOF) outerr();
-}
-
-static void print_owner_ttl(struct query_node *qun, adns_answer *answer) {
- if (qun->pqfr.show_owner) print_withspace(answer->owner);
- print_ttl(qun,answer);
-}
-
-static void check_status(adns_status st) {
- static const adns_status statuspoints[]= {
- adns_s_ok,
- adns_s_max_localfail, adns_s_max_remotefail, adns_s_max_tempfail,
- adns_s_max_misconfig, adns_s_max_misquery
- };
-
- const adns_status *spp;
- int minrcode;
-
- for (minrcode=0, spp=statuspoints;
- spp < statuspoints + (sizeof(statuspoints)/sizeof(statuspoints[0]));
- spp++)
- if (st > *spp) minrcode++;
- if (rcode < minrcode) rcode= minrcode;
-}
-
-static void print_status(adns_status st, struct query_node *qun, adns_answer *answer) {
- const char *statustypeabbrev, *statusabbrev, *statusstring;
-
- statustypeabbrev= adns_errtypeabbrev(st);
- statusabbrev= adns_errabbrev(st);
- statusstring= adns_strerror(st);
- assert(!strchr(statusstring,'"'));
-
- if (printf("%s %d %s ", statustypeabbrev, st, statusabbrev)
- == EOF) outerr();
- print_owner_ttl(qun,answer);
- if (qun->pqfr.show_cname)
- print_withspace(answer->cname ? answer->cname : "$");
- if (printf("\"%s\"\n", statusstring) == EOF) outerr();
-}
-
-static void print_dnsfail(adns_status st, struct query_node *qun, adns_answer *answer) {
- int r;
- const char *typename, *statusstring;
- adns_status ist;
-
- if (ov_format == fmt_inline) {
- if (fputs("; failed ",stdout) == EOF) outerr();
- print_status(st,qun,answer);
- return;
- }
- assert(ov_format == fmt_simple);
- if (st == adns_s_nxdomain) {
- r= fprintf(stderr,"%s does not exist\n", answer->owner);
- } else {
- ist= adns_rr_info(answer->type, &typename, 0,0,0,0);
- if (st == adns_s_nodata) {
- r= fprintf(stderr,"%s has no %s record\n", answer->owner, typename);
- } else {
- statusstring= adns_strerror(st);
- r= fprintf(stderr,"Error during DNS %s lookup for %s: %s\n",
- typename, answer->owner, statusstring);
- }
- }
- if (r == EOF) sysfail("write error message to stderr",errno);
-}
-
-void query_done(struct query_node *qun, adns_answer *answer) {
- adns_status st, ist;
- int rrn, nrrs;
- const char *rrp, *realowner, *typename;
- char *datastr;
-
- st= answer->status;
- nrrs= answer->nrrs;
- if (ov_format == fmt_asynch) {
- check_status(st);
- if (printf("%s %d ", qun->id, nrrs) == EOF) outerr();
- print_status(st,qun,answer);
- } else {
- if (qun->pqfr.show_cname && answer->cname) {
- print_owner_ttl(qun,answer);
- if (qun->pqfr.show_type) print_withspace("CNAME");
- if (printf("%s\n", answer->cname) == EOF) outerr();
- }
- if (st) {
- check_status(st);
- print_dnsfail(st,qun,answer);
- }
- }
- if (qun->pqfr.show_owner) {
- realowner= answer->cname ? answer->cname : answer->owner;
- assert(realowner);
- } else {
- realowner= 0;
- }
- if (nrrs) {
- for (rrn=0, rrp = answer->rrs.untyped;
- rrn < nrrs;
- rrn++, rrp += answer->rrsz) {
- if (realowner) print_withspace(realowner);
- print_ttl(qun,answer);
- ist= adns_rr_info(answer->type, &typename, 0, 0, rrp, &datastr);
- if (ist == adns_s_nomemory) sysfail("adns_rr_info failed",ENOMEM);
- assert(!ist);
- if (qun->pqfr.show_type) print_withspace(typename);
- if (printf("%s\n",datastr) == EOF) outerr();
- free(datastr);
- }
- }
- if (fflush(stdout)) outerr();
- free(answer);
- dequeue_query(qun);
-}
-
-void of_asynch_id(const struct optioninfo *oi, const char *arg) {
- free(ov_id);
- ov_id= xstrsave(arg);
-}
-
-void of_cancel_id(const struct optioninfo *oi, const char *arg) {
- struct query_node *qun;
-
- for (qun= outstanding.head;
- qun && strcmp(qun->id,arg);
- qun= qun->next);
- if (!qun) return;
- adns_cancel(qun->qu);
- dequeue_query(qun);
-}
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