-/**/
+/*
+ * dtest.c
+ * - simple test program, not part of the library
+ */
+/*
+ * This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson
+ *
+ * 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 <stdio.h>
+#include <sys/time.h>
#include <unistd.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
#include "adns.h"
-int main(void) {
+#include "config.h"
+
+#ifndef OUTPUTSTREAM
+# define OUTPUTSTREAM stdout
+#endif
+
+#ifndef HAVE_POLL
+#undef poll
+int poll(struct pollfd *ufds, int nfds, int timeout) {
+ fputs("poll(2) not supported on this system\n",stderr);
+ exit(3);
+}
+#define adns_beforepoll(a,b,c,d,e) 0
+#define adns_afterpoll(a,b,c,d) 0
+#endif
+
+static void failure_status(const char *what, adns_status st) {
+ fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
+ exit(2);
+}
+
+static void failure_errno(const char *what, int errnoval) {
+ fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval);
+ exit(2);
+}
+
+static const char *defaultargv[]= { "ns.chiark.greenend.org.uk", 0 };
+
+static const adns_rrtype defaulttypes[]= {
+ adns_r_a,
+ adns_r_ns_raw,
+ adns_r_cname,
+ adns_r_soa_raw,
+ adns_r_ptr_raw,
+ adns_r_hinfo,
+ adns_r_mx_raw,
+ adns_r_txt,
+ adns_r_rp_raw,
+
+ adns_r_addr,
+ adns_r_ns,
+ adns_r_ptr,
+ adns_r_mx,
+
+ adns_r_soa,
+ adns_r_rp,
+
+ adns_r_none
+};
+
+static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
+ fprintf(stdout, "%s(%s)%s%s",
+ ri ? "?" : rrtn, ri ? "?" : fmtn ? fmtn : "-",
+ ri ? " " : "", ri ? adns_strerror(ri) : "");
+}
+
+static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
+ char *ownflags, int ownflags_l) {
+ int qf;
+ char *ep;
+
+ qf= strtoul(fdom,&ep,0);
+ if (*ep == ',' && strchr(ep,'/')) {
+ ep++;
+ while (*ep != '/') {
+ if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); exit(3); }
+ *ownflags++= *ep++;
+ }
+ }
+ if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
+ else { *dom_r= ep+1; *qf_r= qf; }
+ *ownflags= 0;
+}
+
+static int consistsof(const char *string, const char *accept) {
+ return strspn(string,accept) == strlen(string);
+}
+
+int main(int argc, char *const *argv) {
+ struct myctx {
+ adns_query qu;
+ int doneyet, found;
+ const char *fdom;
+ };
+
adns_state ads;
adns_query qu;
- int r;
+ struct myctx *mcs, *mc, *mcw;
+ void *mcr;
+ adns_answer *ans;
+ const char *initstring, *rrtn, *fmtn;
+ const char *const *fdomlist, *domain;
+ char *show, *cp;
+ int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum, npollfds, npollfdsavail, timeout;
+ struct pollfd *pollfds;
+ adns_status r, ri;
+ const adns_rrtype *types;
+ struct timeval now;
+ adns_rrtype *types_a;
+ char ownflags[10];
+ char *ep;
+ const char *initflags, *owninitflags;
+
+ if (argv[0] && argv[1] && argv[1][0] == '-') {
+ initflags= argv[1]+1;
+ argv++;
+ } else {
+ initflags= "";
+ }
+ if (argv[0] && argv[1] && argv[1][0] == '/') {
+ initstring= argv[1]+1;
+ argv++;
+ } else {
+ initstring= 0;
+ }
+
+ initflagsnum= strtoul(initflags,&ep,0);
+ if (*ep == ',') {
+ owninitflags= ep+1;
+ if (!consistsof(owninitflags,"ps")) {
+ fputs("unknown owninitflag\n",stderr);
+ exit(4);
+ }
+ } else if (!*ep) {
+ owninitflags= "";
+ } else {
+ fputs("bad <initflagsnum>[,<owninitflags>]\n",stderr);
+ exit(4);
+ }
+
+ if (argv[0] && argv[1] && argv[1][0] == ':') {
+ for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
+ if (ch==',') tc++;
+ types_a= malloc(sizeof(*types_a)*(tc+1));
+ if (!types_a) { perror("malloc types"); exit(3); }
+ for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
+ types_a[ti]= strtoul(cp,&cp,10);
+ if ((ch= *cp)) {
+ if (ch != ',') {
+ fputs("usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
+ " [ :<typenum>,... ]\n"
+ " [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
+ "initflags: p use poll(2) instead of select(2)\n"
+ " s use adns_wait with specified query, instead of 0\n"
+ "queryflags: a print status abbrevs instead of strings\n",
+ stderr);
+ exit(4);
+ }
+ cp++;
+ }
+ }
+ *cp++= adns_r_none;
+ types= types_a;
+ argv++;
+ } else {
+ types= defaulttypes;
+ }
+
+ if (argv[0] && argv[1]) fdomlist= (const char *const*)argv+1;
+ else fdomlist= defaultargv;
+
+ for (qc=0; fdomlist[qc]; qc++);
+ for (tc=0; types[tc] != adns_r_none; tc++);
+ mcs= malloc(sizeof(*mcs)*qc*tc);
+ if (!mcs) { perror("malloc mcs"); exit(3); }
+
+ if (initstring) {
+ r= adns_init_strcfg(&ads,
+ (adns_if_debug|adns_if_noautosys)^initflagsnum,
+ stdout,initstring);
+ } else {
+ r= adns_init(&ads,
+ (adns_if_debug|adns_if_noautosys)^initflagsnum,
+ 0);
+ }
+ if (r) failure_errno("init",r);
+
+ npollfdsavail= 0;
+ pollfds= 0;
+
+ for (qi=0; qi<qc; qi++) {
+ fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
+ if (!consistsof(ownflags,"a")) {
+ fputs("unknown ownqueryflag\n",stderr);
+ exit(4);
+ }
+ for (ti=0; ti<tc; ti++) {
+ mc= &mcs[qi*tc+ti];
+ mc->doneyet= 0;
+ mc->fdom= fdomlist[qi];
+
+ fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]);
+ r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
+ if (r == adns_s_unknownrrtype) {
+ fprintf(stdout," not implemented\n");
+ mc->qu= 0;
+ mc->doneyet= 1;
+ } else if (r) {
+ failure_errno("submit",r);
+ } else {
+ ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
+ putc(' ',stdout);
+ dumptype(ri,rrtn,fmtn);
+ fprintf(stdout," submitted\n");
+ }
+ }
+ }
+
+ for (;;) {
+ for (qi=0; qi<qc; qi++) {
+ for (ti=0; ti<tc; ti++) {
+ mc= &mcs[qi*tc+ti];
+ mc->found= 0;
+ }
+ }
+ for (adns_forallqueries_begin(ads);
+ (qu= adns_forallqueries_next(ads,&mcr));
+ ) {
+ mc= mcr;
+ assert(qu == mc->qu);
+ assert(!mc->doneyet);
+ mc->found= 1;
+ }
+ mcw= 0;
+ for (qi=0; qi<qc; qi++) {
+ for (ti=0; ti<tc; ti++) {
+ mc= &mcs[qi*tc+ti];
+ if (mc->doneyet) continue;
+ assert(mc->found);
+ if (!mcw) mcw= mc;
+ }
+ }
+ if (!mcw) break;
+
+ if (strchr(owninitflags,'s')) {
+ qu= mcw->qu;
+ mc= mcw;
+ } else {
+ qu= 0;
+ mc= 0;
+ }
+
+ if (strchr(owninitflags,'p')) {
+ for (;;) {
+ r= adns_check(ads,&qu,&ans,&mcr);
+ if (r != EWOULDBLOCK) break;
+ for (;;) {
+ npollfds= npollfdsavail;
+ timeout= -1;
+ r= adns_beforepoll(ads, pollfds, &npollfds, &timeout, 0);
+ if (r != ERANGE) break;
+ pollfds= realloc(pollfds,sizeof(*pollfds)*npollfds);
+ if (!pollfds) failure_errno("realloc pollfds",errno);
+ npollfdsavail= npollfds;
+ }
+ if (r) failure_errno("beforepoll",r);
+ r= poll(pollfds,npollfds,timeout);
+ if (r == -1) failure_errno("poll",errno);
+ adns_afterpoll(ads,pollfds, r?npollfds:0, 0);
+ }
+ } else {
+ r= adns_wait(ads,&qu,&ans,&mcr);
+ }
+ if (r) failure_errno("wait/check",r);
+
+ if (mc) assert(mcr==mc);
+ else mc= mcr;
+ assert(qu==mc->qu);
+ assert(!mc->doneyet);
+
+ fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
+
+ if (gettimeofday(&now,0)) { perror("gettimeofday"); exit(3); }
+
+ ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
+ fprintf(stdout, "%s flags %d type ",domain,qflags);
+ dumptype(ri,rrtn,fmtn);
+ fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
+ ownflags[0] ? " ownflags=" : "", ownflags,
+ strchr(ownflags,'a')
+ ? adns_errabbrev(ans->status)
+ : adns_strerror(ans->status),
+ ans->nrrs,
+ ans->cname ? ans->cname : "$",
+ ans->owner ? ans->owner : "$",
+ (long)ans->expires - (long)now.tv_sec);
+ if (ans->nrrs) {
+ assert(!ri);
+ for (i=0; i<ans->nrrs; i++) {
+ r= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
+ if (r) failure_status("info",r);
+ fprintf(stdout," %s\n",show);
+ free(show);
+ }
+ }
+ free(ans);
- r= adns_init(&ads,adns_if_debug|adns_if_noautosys);
- if (r) { perror("init"); exit(2); }
+ mc->doneyet= 1;
+ }
- r= adns_submit(ads,"anarres.greenend.org.uk",adns_r_a,0,0,&qu);
- if (r) { perror("submit"); exit(2); }
+ free(mcs);
+ adns_finish(ads);
exit(0);
}
~ianmdlvl / adns.git / blobdiff