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author | Robert James Kaes <rjkaes@users.sourceforge.net> | 2000-09-12 00:38:47 +0000 |
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committer | Robert James Kaes <rjkaes@users.sourceforge.net> | 2000-09-12 00:38:47 +0000 |
commit | 15ea792c424fc1daa2e36e63c5c7474a45b73161 (patch) | |
tree | 51c7599757a01151bca28fc2987ea9aed020dba8 /adns-0.6/client/adh-query.c | |
parent | 7a949c9470c6bd12132f228af14d5ea23f0be37c (diff) | |
download | tinyproxy-15ea792c424fc1daa2e36e63c5c7474a45b73161.tar.gz tinyproxy-15ea792c424fc1daa2e36e63c5c7474a45b73161.zip |
We don't use ADNS anymore so get rid of the tree.
Diffstat (limited to 'adns-0.6/client/adh-query.c')
-rw-r--r-- | adns-0.6/client/adh-query.c | 274 |
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); -} |