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Diffstat (limited to 'adns-0.6/client/adh-main.c')
-rw-r--r--adns-0.6/client/adh-main.c243
1 files changed, 0 insertions, 243 deletions
diff --git a/adns-0.6/client/adh-main.c b/adns-0.6/client/adh-main.c
deleted file mode 100644
index 81cff54..0000000
--- a/adns-0.6/client/adh-main.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/*
- * adh-main.c
- * - useful general-purpose resolver client program
- * main program and useful subroutines
- */
-/*
- * 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"
-
-void sysfail(const char *what, int errnoval) {
- fprintf(stderr,"adnshost failed: %s: %s\n",what,strerror(errnoval));
- exit(10);
-}
-
-void usageerr(const char *fmt, ...) {
- va_list al;
- fputs("adnshost usage error: ",stderr);
- va_start(al,fmt);
- vfprintf(stderr,fmt,al);
- va_end(al);
- putc('\n',stderr);
- exit(11);
-}
-
-void outerr(void) {
- sysfail("write to stdout",errno);
-}
-
-void *xmalloc(size_t sz) {
- void *p;
-
- p= malloc(sz); if (!p) sysfail("malloc",sz);
- return p;
-}
-
-char *xstrsave(const char *str) {
- char *p;
-
- p= xmalloc(strlen(str)+1);
- strcpy(p,str);
- return p;
-}
-
-void of_type(const struct optioninfo *oi, const char *arg) {
- static const struct typename {
- adns_rrtype type;
- const char *desc;
- } typenames[]= {
- /* enhanced versions */
- { adns_r_ns, "ns" },
- { adns_r_soa, "soa" },
- { adns_r_ptr, "ptr" },
- { adns_r_mx, "mx" },
- { adns_r_rp, "rp" },
- { adns_r_addr, "addr" },
-
- /* types with only one version */
- { adns_r_cname, "cname" },
- { adns_r_hinfo, "hinfo" },
- { adns_r_txt, "txt" },
-
- /* raw versions */
- { adns_r_a, "a" },
- { adns_r_ns_raw, "ns-" },
- { adns_r_soa_raw, "soa-" },
- { adns_r_ptr_raw, "ptr-" },
- { adns_r_mx_raw, "mx-" },
- { adns_r_rp_raw, "rp-" },
-
- { adns_r_none, 0 }
- };
-
- const struct typename *tnp;
-
- for (tnp=typenames;
- tnp->type && strcmp(arg,tnp->desc);
- tnp++);
- if (!tnp->type) usageerr("unknown RR type %s",arg);
- ov_type= tnp->type;
-}
-
-int rcode;
-
-static void process_optarg(const char *arg,
- const char *const **argv_p,
- const char *value) {
- const struct optioninfo *oip;
- int invert;
-
- if (arg[0] == '-' || arg[0] == '+') {
- if (arg[0] == '-' && arg[1] == '-') {
- if (!strncmp(arg,"--no-",5)) {
- invert= 1;
- oip= opt_findl(arg+5);
- } else {
- invert= 0;
- oip= opt_findl(arg+2);
- }
- if (oip->type == ot_funcarg) {
- arg= argv_p ? *++(*argv_p) : value;
- if (!arg) usageerr("option --%s requires a value argument",oip->lopt);
- } else {
- if (value) usageerr("option --%s does not take a value",oip->lopt);
- arg= 0;
- }
- opt_do(oip,arg,invert);
- } else if (arg[0] == '-' && arg[1] == 0) {
- arg= argv_p ? *++(*argv_p) : value;
- if (!arg) usageerr("option `-' must be followed by a domain");
- query_do(arg);
- } else { /* arg[1] != '-', != '\0' */
- invert= (arg[0] == '+');
- ++arg;
- while (*arg) {
- oip= opt_finds(&arg);
- if (oip->type == ot_funcarg) {
- if (!*arg) {
- arg= argv_p ? *++(*argv_p) : value;
- if (!arg) usageerr("option -%s requires a value argument",oip->sopt);
- } else {
- if (value) usageerr("two values for option -%s given !",oip->sopt);
- }
- opt_do(oip,arg,invert);
- arg= "";
- } else {
- if (value) usageerr("option -%s does not take a value",oip->sopt);
- opt_do(oip,0,invert);
- }
- }
- }
- } else { /* arg[0] != '-' */
- query_do(arg);
- }
-}
-
-static void read_stdin(void) {
- static int used, avail;
- static char *buf;
-
- int anydone, r;
- char *newline, *space;
-
- anydone= 0;
- while (!anydone || used) {
- while (!(newline= memchr(buf,'\n',used))) {
- if (used == avail) {
- avail += 20; avail <<= 1;
- buf= realloc(buf,avail);
- if (!buf) sysfail("realloc stdin buffer",errno);
- }
- do {
- r= read(0,buf+used,avail-used);
- } while (r < 0 && errno == EINTR);
- if (r == 0) {
- if (used) {
- /* fake up final newline */
- buf[used++]= '\n';
- r= 1;
- } else {
- ov_pipe= 0;
- return;
- }
- }
- if (r < 0) sysfail("read stdin",errno);
- used += r;
- }
- *newline++= 0;
- space= strchr(buf,' ');
- if (space) *space++= 0;
- process_optarg(buf,0,space);
- used -= (newline-buf);
- memmove(buf,newline,used);
- anydone= 1;
- }
-}
-
-int main(int argc, const char *const *argv) {
- struct timeval *tv, tvbuf;
- adns_query qu;
- void *qun_v;
- adns_answer *answer;
- int r, maxfd;
- fd_set readfds, writefds, exceptfds;
- const char *arg;
-
- while ((arg= *++argv)) process_optarg(arg,&argv,0);
-
- if (!ov_pipe && !ads) usageerr("no domains given, and -f/--pipe not used; try --help");
-
- ensure_adns_init();
-
- for (;;) {
- for (;;) {
- qu= ov_asynch ? 0 : outstanding.head ? outstanding.head->qu : 0;
- r= adns_check(ads,&qu,&answer,&qun_v);
- if (r == EAGAIN) break;
- if (r == ESRCH) { if (!ov_pipe) goto x_quit; else break; }
- assert(!r);
- query_done(qun_v,answer);
- }
- maxfd= 0;
- FD_ZERO(&readfds);
- FD_ZERO(&writefds);
- FD_ZERO(&exceptfds);
- if (ov_pipe) {
- maxfd= 1;
- FD_SET(0,&readfds);
- }
- tv= 0;
- adns_beforeselect(ads, &maxfd, &readfds,&writefds,&exceptfds, &tv,&tvbuf,0);
- r= select(maxfd, &readfds,&writefds,&exceptfds, tv);
- if (r == -1) {
- if (errno == EINTR) continue;
- sysfail("select",errno);
- }
- adns_afterselect(ads, maxfd, &readfds,&writefds,&exceptfds, 0);
- if (ov_pipe && FD_ISSET(0,&readfds)) read_stdin();
- }
-x_quit:
- if (fclose(stdout)) outerr();
- exit(rcode);
-}
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