*/
/*
* This file is
- * Copyright (C) 1999 Tony Finch <dot@dotat.at>
+ * Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
* Copyright (C) 1999-2000 Ian Jackson <ian@davenant.greenend.org.uk>
*
* It is part of adns, which is
- * Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
- * Copyright (C) 1999 Tony Finch <dot@dotat.at>
+ * Copyright (C) 1997-2000,2003,2006 Ian Jackson
+ * Copyright (C) 1999-2000,2003,2006 Tony Finch
+ * Copyright (C) 1991 Massachusetts Institute of Technology
+ * (See the file INSTALL for full details.)
*
* 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
#include "config.h"
#include "adns.h"
+#include "client.h"
+
+#ifdef ADNS_REGRESS_TEST
+# include "hredirect.h"
+#endif
/* maximum number of concurrent DNS queries */
-#define MAXPENDING 1000
+#define MAXMAXPENDING 64000
+#define DEFMAXPENDING 2000
/* maximum length of a line */
#define MAXLINE 1024
#define OPT_DEBUG 1
#define OPT_POLL 2
-static const char *progname;
+static const char *const progname= "adnslogres";
+static const char *config_text;
#define guard_null(str) ((str) ? (str) : "")
}
}
sprintf(buf, "%.*s.%.*s.%.*s.%.*s.in-addr.arpa.",
- ptrs[4]-ptrs[3]-1, ptrs[3],
- ptrs[3]-ptrs[2]-1, ptrs[2],
- ptrs[2]-ptrs[1]-1, ptrs[1],
- ptrs[1]-ptrs[0]-1, ptrs[0]);
+ (int)(ptrs[4]-ptrs[3]-1), ptrs[3],
+ (int)(ptrs[3]-ptrs[2]-1), ptrs[2],
+ (int)(ptrs[2]-ptrs[1]-1), ptrs[1],
+ (int)(ptrs[1]-ptrs[0]-1), ptrs[0]);
*addr= ptrs[0];
*rest= ptrs[4]-1;
return buf;
static void printline(FILE *outf, char *start, char *addr, char *rest, char *domain) {
if (domain)
- fprintf(outf, "%.*s%s%s", addr - start, start, domain, rest);
+ fprintf(outf, "%.*s%s%s", (int)(addr - start), start, domain, rest);
else
fputs(start, outf);
if (ferror(outf)) aargh("write output");
strcpy(line->start, buf);
str= ipaddr2domain(line->start, &line->addr, &line->rest);
if (opts & OPT_DEBUG)
- msg("submitting %.*s -> %s", line->rest-line->addr, guard_null(line->addr), str);
+ msg("submitting %.*s -> %s", (int)(line->rest-line->addr), guard_null(line->addr), str);
if (adns_submit(adns, str, adns_r_ptr,
adns_qf_quoteok_cname|adns_qf_cname_loose,
NULL, &line->query))
return NULL;
}
-static void proclog(FILE *inf, FILE *outf, int opts) {
+static void proclog(FILE *inf, FILE *outf, int maxpending, int opts) {
int eof, err, len;
adns_state adns;
adns_answer *answer;
logline *head, *tail, *line;
+ adns_initflags initflags;
- errno= adns_init(&adns, (opts & OPT_DEBUG) ? adns_if_debug : 0, 0);
+ initflags= (opts & OPT_DEBUG) ? adns_if_debug : 0;
+ if (config_text) {
+ errno= adns_init_strcfg(&adns, initflags, stderr, config_text);
+ } else {
+ errno= adns_init(&adns, initflags, 0);
+ }
if (errno) aargh("adns_init");
head= tail= readline(inf, adns, opts);
len= 1; eof= 0;
while (head) {
- if (opts & OPT_DEBUG)
- msg("%d in queue; checking %.*s", len,
- head->rest-head->addr, guard_null(head->addr));
- if (eof || len > MAXPENDING) {
- if (opts & OPT_POLL)
- err= adns_wait_poll(adns, &head->query, &answer, NULL);
- else
- err= adns_wait(adns, &head->query, &answer, NULL);
- } else {
- err= adns_check(adns, &head->query, &answer, NULL);
- }
- if (err != EAGAIN) {
+ while (head) {
+ if (opts & OPT_DEBUG)
+ msg("%d in queue; checking %.*s", len,
+ (int)(head->rest-head->addr), guard_null(head->addr));
+ if (eof || len >= maxpending) {
+ if (opts & OPT_POLL)
+ err= adns_wait_poll(adns, &head->query, &answer, NULL);
+ else
+ err= adns_wait(adns, &head->query, &answer, NULL);
+ } else {
+ err= adns_check(adns, &head->query, &answer, NULL);
+ }
+ if (err == EAGAIN) break;
+ if (err) {
+ fprintf(stderr, "%s: adns_wait/check: %s", progname, strerror(err));
+ exit(1);
+ }
printline(outf, head->start, head->addr, head->rest,
answer->status == adns_s_ok ? *answer->rrs.str : NULL);
line= head; head= head->next;
- free(line); free(answer);
+ free(line);
+ free(answer);
len--;
}
if (!eof) {
line= readline(inf, adns, opts);
- if (!line)
+ if (line) {
+ if (!head) head= line;
+ else tail->next= line;
+ tail= line; len++;
+ } else {
eof= 1;
- else {
- if (!head)
- head= line;
- else
- tail->next= line;
- tail= line;
- len++;
}
}
}
adns_finish(adns);
}
+static void printhelp(FILE *file) {
+ fputs("usage: adnslogres [<options>] [<logfile>]\n"
+ " adnslogres --version|--help\n"
+ "options: -c <concurrency> set max number of outstanding queries\n"
+ " -p use poll(2) instead of select(2)\n"
+ " -d turn on debugging\n"
+ " -C <config> use instead of contents of resolv.conf\n",
+ stdout);
+}
+
static void usage(void) {
- fprintf(stderr, "usage: %s [-d] [-p] [logfile]\n", progname);
+ printhelp(stderr);
exit(1);
}
int main(int argc, char *argv[]) {
- int c, opts;
+ int c, opts, maxpending;
+ extern char *optarg;
FILE *inf;
- progname= strrchr(*argv, '/');
- if (progname)
- progname++;
- else
- progname= *argv;
- opts= 0;
+ if (argv[1] && !strncmp(argv[1],"--",2)) {
+ if (!strcmp(argv[1],"--help")) {
+ printhelp(stdout);
+ } else if (!strcmp(argv[1],"--version")) {
+ fputs(VERSION_MESSAGE("adnslogres"),stdout);
+ } else {
+ usage();
+ }
+ if (ferror(stdout) || fclose(stdout)) { perror("stdout"); exit(1); }
+ exit(0);
+ }
- while ((c= getopt(argc, argv, "dp")) != -1)
+ maxpending= DEFMAXPENDING;
+ opts= 0;
+ while ((c= getopt(argc, argv, "c:C:dp")) != -1)
switch (c) {
+ case 'c':
+ maxpending= atoi(optarg);
+ if (maxpending < 1 || maxpending > MAXMAXPENDING) {
+ fprintf(stderr, "%s: unfeasible concurrency %d\n", progname, maxpending);
+ exit(1);
+ }
+ break;
+ case 'C':
+ config_text= optarg;
+ break;
case 'd':
opts|= OPT_DEBUG;
break;
if (!inf)
aargh("couldn't open input");
- proclog(inf, stdout, opts);
+ proclog(inf, stdout, maxpending, opts);
if (fclose(inf))
aargh("fclose input");