From 249866e3d1e11dc72eaa1305f4bb479ded92ef38 Mon Sep 17 00:00:00 2001
From: Jannis Hoffmann <jannis@fehcom.de>
Date: Tue, 9 Jul 2024 13:58:20 +0200
Subject: reorganized file structure

Moved c files into src/.
Corrected VERSION file.
Removed BUILD and FILES.
---
 dnsstub/dns_packet.c | 85 ----------------------------------------------------
 1 file changed, 85 deletions(-)
 delete mode 100644 dnsstub/dns_packet.c

(limited to 'dnsstub/dns_packet.c')

diff --git a/dnsstub/dns_packet.c b/dnsstub/dns_packet.c
deleted file mode 100644
index ce322ea..0000000
--- a/dnsstub/dns_packet.c
+++ /dev/null
@@ -1,85 +0,0 @@
-#include "error.h"
-#include "dnsresolv.h"
-
-/**
-	@file dns_packet.c
-	@author djb
-	@source ucspi-tcp
-	@brief DNS low level packet routine
-	@brief DNS should have used LZ77 instead of its own sophomoric compression algorithm.
-*/
-
-unsigned int dns_packet_copy(const char *buf,unsigned int len,unsigned int pos,char *out,unsigned int outlen)
-{
-  while (outlen) {
-    if (pos >= len) { errno = EPROTO; return 0; }
-    *out = buf[pos++];
-    ++out; --outlen;
-  }
-  return pos;
-}
-
-unsigned int dns_packet_skipname(const char *buf,unsigned int len,unsigned int pos)
-{
-  unsigned char ch;
-
-  for (;;) {
-    if (pos >= len) break;
-    ch = buf[pos++];
-    if (ch >= 192) return pos + 1;
-    if (ch >= 64) break;
-    if (!ch) return pos;
-    pos += ch;
-  }
-
-  errno = EPROTO;
-  return 0;
-}
-
-unsigned int dns_packet_getname(const char *buf,unsigned int len,unsigned int pos,char **d)
-{
-  unsigned int loop = 0;
-  unsigned int state = 0;
-  unsigned int firstcompress = 0;
-  unsigned int where;
-  unsigned char ch;
-  char name[255];
-  unsigned int namelen = 0;
-
-  for (;;) {
-    if (pos >= len) goto PROTO; 
-    ch = buf[pos++];
-    if (++loop >= 1000) goto PROTO;
-
-    if (state) {
-      if (namelen + 1 > sizeof(name)) goto PROTO; 
-      name[namelen++] = ch;
-      --state;
-    } else {
-      while (ch >= 192) {
-        where = ch; where -= 192; where <<= 8;
-        if (pos >= len) goto PROTO; 
-        ch = buf[pos++];
-        if (!firstcompress) firstcompress = pos;
-        pos = where + ch;
-        if (pos >= len) goto PROTO; 
-        ch = buf[pos++];
-        if (++loop >= 1000) goto PROTO;
-      }
-      if (ch >= 64) goto PROTO;
-      if (namelen + 1 > sizeof(name)) goto PROTO; 
-      name[namelen++] = ch;
-      if (!ch) break;
-      state = ch;
-    }
-  }
-
-  if (!dns_domain_copy(d,name)) return 0;
-
-  if (firstcompress) return firstcompress;
-  return pos;
-
-  PROTO:
-  errno = EPROTO;
-  return 0;
-}
-- 
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