1 files changed, 0 insertions, 301 deletions

diff --git a/src/vpn/gnunet-dns-parser.c b/src/vpn/gnunet-dns-parser.c
deleted file mode 100644
index e87109e0c..000000000
--- a/src/vpn/gnunet-dns-parser.c
+++ /dev/null
@@ -1,301 +0,0 @@
-#include "platform.h"
-#include "gnunet-dns-parser.h"
-#include "gnunet-vpn-packet.h"
-
-/**
- * Parse a name from DNS to a normal .-delimited, 0-terminated string.
- *
- * @param d The destination of the name. Should have at least 255 bytes allocated.
- * @param src The DNS-Packet
- * @param idx The offset inside the Packet from which on the name should be read
- * @returns The offset of the first unparsed byte (the byte right behind the name)
- */
-static unsigned int
-parse_dns_name (char *d, const unsigned char *src, unsigned short idx)
-{                               /*{{{ */
-  char *dest = d;
-
-  int len = src[idx++];
-
-  while (len != 0)
-  {
-    if (len & 0xC0)
-    {                           /* Compressed name, offset in this and the next octet */
-      unsigned short offset = ((len & 0x3F) << 8) | src[idx++];
-
-      parse_dns_name (dest, src, offset - 12);  /* 12 for the Header of the DNS-Packet, idx starts at 0 which is 12 bytes from the start of the packet */
-      return idx;
-    }
-    memcpy (dest, src + idx, len);
-    idx += len;
-    dest += len;
-    *dest = '.';
-    dest++;
-    len = src[idx++];
-  };
-  *dest = 0;
-
-  return idx;
-}
-
-/*}}}*/
-
-/**
- * Parse a complete DNS-Record from raw DNS-data to a struct dns_record
- *
- * @param data The DNS-data
- * @param dst Pointer to count pointers; individual pointers will be allocated
- * @param count Number of records to parse
- * @param idx The offset inside the Packet from which on the name should be read
- * @returns The offset of the first unparsed byte (the byte right behind the last record)
- */
-static unsigned short
-parse_dns_record (unsigned char *data,  /*{{{ */
-                  struct dns_record **dst, unsigned short count,
-                  unsigned short idx)
-{
-  int i;
-  unsigned short _idx;
-
-  for (i = 0; i < count; i++)
-  {
-    dst[i] = GNUNET_malloc (sizeof (struct dns_record));
-    dst[i]->name = alloca (255);        // see RFC1035, no name can be longer than this.
-    char *name = dst[i]->name;
-
-    _idx = parse_dns_name (name, data, idx);
-    dst[i]->namelen = _idx - idx;
-
-    dst[i]->name = GNUNET_malloc (dst[i]->namelen);
-    memcpy (dst[i]->name, name, dst[i]->namelen);
-
-    idx = _idx;
-
-    dst[i]->type = *((unsigned short *) (data + idx));
-    idx += 2;
-    dst[i]->class = *((unsigned short *) (data + idx));
-    idx += 2;
-    dst[i]->ttl = *((unsigned int *) (data + idx));
-    idx += 4;
-    dst[i]->data_len = *((unsigned short *) (data + idx));
-    idx += 2;
-    dst[i]->data = GNUNET_malloc (ntohs (dst[i]->data_len));
-    memcpy (dst[i]->data, data + idx, ntohs (dst[i]->data_len));
-    idx += ntohs (dst[i]->data_len);
-  }
-  return idx;
-}                               /*}}} */
-
-/**
- * Parse a raw DNS-Packet into an usable struct
- */
-struct dns_pkt_parsed *
-parse_dns_packet (struct dns_pkt *pkt)
-{                               /*{{{ */
-  struct dns_pkt_parsed *ppkt = GNUNET_malloc (sizeof (struct dns_pkt_parsed));
-
-  memcpy (&ppkt->s, &pkt->s, sizeof pkt->s);
-
-  unsigned short qdcount = ntohs (ppkt->s.qdcount);
-  unsigned short ancount = ntohs (ppkt->s.ancount);
-  unsigned short nscount = ntohs (ppkt->s.nscount);
-  unsigned short arcount = ntohs (ppkt->s.arcount);
-
-  ppkt->queries = GNUNET_malloc (qdcount * sizeof (struct dns_query *));
-  ppkt->answers = GNUNET_malloc (ancount * sizeof (struct dns_record *));
-  ppkt->nameservers = GNUNET_malloc (nscount * sizeof (struct dns_record *));
-  ppkt->additional = GNUNET_malloc (arcount * sizeof (struct dns_record *));
-
-  unsigned short idx = 0, _idx; /* This keeps track how far we have parsed the data */
-
-  /* Parse the Query */
-  int i;
-
-  for (i = 0; i < qdcount; i++)
-  {                             /*{{{ */
-    ppkt->queries[i] = GNUNET_malloc (sizeof (struct dns_query));
-    char *name = alloca (255);  /* see RFC1035, it can't be more than this. */
-
-    _idx = parse_dns_name (name, pkt->data, idx);
-    ppkt->queries[i]->namelen = _idx - idx;
-    idx = _idx;
-
-    ppkt->queries[i]->name = GNUNET_malloc (ppkt->queries[i]->namelen);
-    memcpy (ppkt->queries[i]->name, name, ppkt->queries[i]->namelen);
-
-    ppkt->queries[i]->qtype = *((unsigned short *) (pkt->data + idx));
-    idx += 2;
-    ppkt->queries[i]->qclass = *((unsigned short *) (pkt->data + idx));
-    idx += 2;
-  }
-  /*}}} */
-  idx = parse_dns_record (pkt->data, ppkt->answers, ancount, idx);
-  idx = parse_dns_record (pkt->data, ppkt->nameservers, nscount, idx);
-  idx = parse_dns_record (pkt->data, ppkt->additional, arcount, idx);
-  return ppkt;
-}                               /*}}} */
-
-static void
-unparse_dns_name (char *dest, char *src, size_t len)
-{
-  char *b = dest;
-  char cnt = 0;
-
-  dest++;
-  while (*src != 0)
-  {
-    while (*src != '.' && *src != 0)
-    {
-      *dest = *src;
-      src++;
-      dest++;
-      cnt++;
-    }
-    *b = cnt;
-    cnt = 0;
-    b = dest;
-    dest++;
-    src++;
-  }
-  *b = 0;
-}
-
-struct dns_pkt *
-unparse_dns_packet (struct dns_pkt_parsed *ppkt)
-{
-  size_t size = sizeof (struct dns_pkt) - 1;
-  int i;
-
-  for (i = 0; i < ntohs (ppkt->s.qdcount); i++)
-    size += ppkt->queries[i]->namelen + 1;
-
-  for (i = 0; i < ntohs (ppkt->s.ancount); i++)
-  {
-    size += ppkt->answers[i]->namelen + 1;
-    size += ppkt->answers[i]->data_len;
-  }
-  for (i = 0; i < ntohs (ppkt->s.nscount); i++)
-  {
-    size += ppkt->nameservers[i]->namelen + 1;
-    size += ppkt->nameservers[i]->data_len;
-  }
-  for (i = 0; i < ntohs (ppkt->s.arcount); i++)
-  {
-    size += ppkt->additional[i]->namelen + 1;
-    size += ppkt->additional[i]->data_len;
-  }
-
-  size +=
-      4 * ntohs (ppkt->s.qdcount) + 10 * (ntohs (ppkt->s.ancount) +
-                                          ntohs (ppkt->s.arcount) +
-                                          ntohs (ppkt->s.nscount));
-
-  struct dns_pkt *pkt = GNUNET_malloc (size);
-  char *pkt_c = (char *) pkt;
-
-  memcpy (&pkt->s, &ppkt->s, sizeof ppkt->s);
-  size_t idx = sizeof ppkt->s;
-
-  for (i = 0; i < ntohs (ppkt->s.qdcount); i++)
-  {
-    unparse_dns_name (&pkt_c[idx], ppkt->queries[i]->name,
-                      ppkt->queries[i]->namelen);
-    idx += ppkt->queries[i]->namelen;
-    struct dns_query_line *d = (struct dns_query_line *) &pkt_c[idx];
-
-    d->class = ppkt->queries[i]->qclass;
-    d->type = ppkt->queries[i]->qtype;
-    idx += sizeof (struct dns_query_line);
-  }
-
-  for (i = 0; i < ntohs (ppkt->s.ancount); i++)
-  {
-    unparse_dns_name (&pkt_c[idx], ppkt->answers[i]->name,
-                      ppkt->answers[i]->namelen);
-    idx += ppkt->answers[i]->namelen;
-    struct dns_record_line *r = (struct dns_record_line *) &pkt_c[idx];
-
-    r->type = ppkt->answers[i]->type;
-    r->class = ppkt->answers[i]->class;
-    r->ttl = ppkt->answers[i]->ttl;
-    r->data_len = ppkt->answers[i]->data_len;
-    idx += sizeof (struct dns_record_line);
-    memcpy (&r->data, ppkt->answers[i]->data, ppkt->answers[i]->data_len);
-    idx += ppkt->answers[i]->data_len;
-  }
-
-  for (i = 0; i < ntohs (ppkt->s.nscount); i++)
-  {
-    unparse_dns_name (&pkt_c[idx], ppkt->nameservers[i]->name,
-                      ppkt->nameservers[i]->namelen);
-    idx += ppkt->nameservers[i]->namelen;
-    struct dns_record_line *r = (struct dns_record_line *) &pkt_c[idx];
-
-    r->type = ppkt->nameservers[i]->type;
-    r->class = ppkt->nameservers[i]->class;
-    r->ttl = ppkt->nameservers[i]->ttl;
-    r->data_len = ppkt->nameservers[i]->data_len;
-    idx += sizeof (struct dns_record_line);
-    memcpy (&r->data, ppkt->nameservers[i]->data,
-            ppkt->nameservers[i]->data_len);
-    idx += ppkt->nameservers[i]->data_len;
-  }
-
-  for (i = 0; i < ntohs (ppkt->s.arcount); i++)
-  {
-    unparse_dns_name (&pkt_c[idx], ppkt->additional[i]->name,
-                      ppkt->additional[i]->namelen);
-    idx += ppkt->additional[i]->namelen;
-    struct dns_record_line *r = (struct dns_record_line *) &pkt_c[idx];
-
-    r->type = ppkt->additional[i]->type;
-    r->class = ppkt->additional[i]->class;
-    r->ttl = ppkt->additional[i]->ttl;
-    r->data_len = ppkt->additional[i]->data_len;
-    idx += sizeof (struct dns_record_line);
-    memcpy (&r->data, ppkt->additional[i]->data, ppkt->additional[i]->data_len);
-    idx += ppkt->additional[i]->data_len;
-  }
-
-  return pkt;
-}
-
-void
-free_parsed_dns_packet (struct dns_pkt_parsed *ppkt)
-{
-  unsigned short qdcount = ntohs (ppkt->s.qdcount);
-  unsigned short ancount = ntohs (ppkt->s.ancount);
-  unsigned short nscount = ntohs (ppkt->s.nscount);
-  unsigned short arcount = ntohs (ppkt->s.arcount);
-
-  int i;
-
-  for (i = 0; i < qdcount; i++)
-  {
-    GNUNET_free (ppkt->queries[i]->name);
-    GNUNET_free (ppkt->queries[i]);
-  }
-  GNUNET_free (ppkt->queries);
-  for (i = 0; i < ancount; i++)
-  {
-    GNUNET_free (ppkt->answers[i]->name);
-    GNUNET_free (ppkt->answers[i]->data);
-    GNUNET_free (ppkt->answers[i]);
-  }
-  GNUNET_free (ppkt->answers);
-  for (i = 0; i < nscount; i++)
-  {
-    GNUNET_free (ppkt->nameservers[i]->name);
-    GNUNET_free (ppkt->nameservers[i]->data);
-    GNUNET_free (ppkt->nameservers[i]);
-  }
-  GNUNET_free (ppkt->nameservers);
-  for (i = 0; i < arcount; i++)
-  {
-    GNUNET_free (ppkt->additional[i]->name);
-    GNUNET_free (ppkt->additional[i]->data);
-    GNUNET_free (ppkt->additional[i]);
-  }
-  GNUNET_free (ppkt->additional);
-  GNUNET_free (ppkt);
-}