X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=blobdiff_plain;f=client%2Fadnstest.c;h=88875d2c43eabd767acce5e15b66cb33150313ee;hp=4f2b982e881089e56de2bf7c20843b3cbf9c7c53;hb=16cf5367e3a455f322328315f3c13ed23d68b690;hpb=1aa0213d64572362fbf4be15fba8309c6e10384c diff --git a/client/adnstest.c b/client/adnstest.c index 4f2b982..88875d2 100644 --- a/client/adnstest.c +++ b/client/adnstest.c @@ -25,18 +25,37 @@ #include #include #include +#include +#include + +#include "adns.h" + +#include "config.h" #ifndef OUTPUTSTREAM # define OUTPUTSTREAM stdout #endif -#include "adns.h" +#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(const char *what, adns_status st) { +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[]= { @@ -67,50 +86,102 @@ static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) { ri ? " " : "", ri ? adns_strerror(ri) : ""); } -static void fdom_split(const char *fdom, const char **dom_r, int *qf_r) { +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 *qus, qu; + adns_query qu; + 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; + 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 [,]\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); + types_a= malloc(sizeof(*types_a)*(tc+1)); if (!types_a) { perror("malloc types"); exit(3); } for (cp= argv[1]+1, ti=0; ti] [:,...] [ ...]\n",stderr); + fputs("usage: adnstest [-[,]] [/]\n" + " [ :,... ]\n" + " [ [[,]/] ... ]\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 { @@ -122,26 +193,42 @@ int main(int argc, char *const *argv) { for (qc=0; fdomlist[qc]; qc++); for (tc=0; types[tc] != adns_r_none; tc++); - qus= malloc(sizeof(qus)*qc*tc); - if (!qus) { perror("malloc qus"); exit(3); } + 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,stdout,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,0); + r= adns_init(&ads, + (adns_if_debug|adns_if_noautosys)^initflagsnum, + 0); } - if (r) failure("init",r); + if (r) failure_errno("init",r); + npollfdsavail= 0; + pollfds= 0; + for (qi=0; qidoneyet= 0; + mc->fdom= fdomlist[qi]; + fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]); - r= adns_submit(ads,domain,types[ti],qflags,0,&qus[qi*tc+ti]); + r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu); if (r == adns_s_unknownrrtype) { fprintf(stdout," not implemented\n"); - qus[qi*tc+ti]= 0; + mc->qu= 0; + mc->doneyet= 1; } else if (r) { - failure("submit",r); + failure_errno("submit",r); } else { ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0); putc(' ',stdout); @@ -151,41 +238,99 @@ int main(int argc, char *const *argv) { } } - for (qi=0; qifound= 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; qidoneyet) continue; + assert(mc->found); + if (!mcw) mcw= mc; + } + } + if (!mcw) break; - 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; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n", - 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; inrrs; i++) { - r= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes+i*len,&show); - if (r) failure("info",r); - fprintf(stdout," %s\n",show); - free(show); + 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); } - free(ans); + } 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; inrrs; 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); + + mc->doneyet= 1; } - free(qus); + free(mcs); adns_finish(ads); exit(0);