From 0e5b2871ca6456b01d4bf037a6e68badf1ff1a41 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henryk=20Pl=C3=B6tz?= <henryk@ploetzli.ch>
Date: Fri, 3 Oct 2014 19:58:52 +0200
Subject: Initial commit of djbdns-1.05.tar.gz Source was
 http://cr.yp.to/djbdns/djbdns-1.05.tar.gz, SHA1
 2efdb3a039d0c548f40936aa9cb30829e0ce8c3d

---
 tinydns-get.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 tinydns-get.c

(limited to 'tinydns-get.c')

diff --git a/tinydns-get.c b/tinydns-get.c
new file mode 100644
index 0000000..f7fd67f
--- /dev/null
+++ b/tinydns-get.c
@@ -0,0 +1,76 @@
+#include "str.h"
+#include "byte.h"
+#include "scan.h"
+#include "exit.h"
+#include "stralloc.h"
+#include "buffer.h"
+#include "strerr.h"
+#include "uint16.h"
+#include "response.h"
+#include "case.h"
+#include "printpacket.h"
+#include "parsetype.h"
+#include "ip4.h"
+#include "dns.h"
+
+extern int respond(char *,char *,char *);
+
+#define FATAL "tinydns-get: fatal: "
+
+void usage(void)
+{
+  strerr_die1x(100,"tinydns-get: usage: tinydns-get type name [ip]");
+}
+void oops(void)
+{
+  strerr_die2sys(111,FATAL,"unable to parse: ");
+}
+
+static char ip[4];
+static char type[2];
+static char *q;
+
+static stralloc out;
+
+int main(int argc,char **argv)
+{
+  uint16 u16;
+
+  if (!*argv) usage();
+
+  if (!*++argv) usage();
+  if (!parsetype(*argv,type)) usage();
+
+  if (!*++argv) usage();
+  if (!dns_domain_fromdot(&q,*argv,str_len(*argv))) oops();
+
+  if (*++argv) {
+    if (!ip4_scan(*argv,ip)) usage();
+  }
+
+  if (!stralloc_copys(&out,"")) oops();
+  uint16_unpack_big(type,&u16);
+  if (!stralloc_catulong0(&out,u16,0)) oops();
+  if (!stralloc_cats(&out," ")) oops();
+  if (!dns_domain_todot_cat(&out,q)) oops();
+  if (!stralloc_cats(&out,":\n")) oops();
+
+  if (!response_query(q,type,DNS_C_IN)) oops();
+  response[3] &= ~128;
+  response[2] &= ~1;
+  response[2] |= 4;
+  case_lowerb(q,dns_domain_length(q));
+
+  if (byte_equal(type,2,DNS_T_AXFR)) {
+    response[3] &= ~15;
+    response[3] |= 4;
+  }
+  else
+    if (!respond(q,type,ip)) goto DONE;
+
+  if (!printpacket_cat(&out,response,response_len)) oops();
+
+  DONE:
+  buffer_putflush(buffer_1,out.s,out.len);
+  _exit(0);
+}
-- 
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