1 files changed, 0 insertions, 146 deletions
diff --git a/src/op/buffers.c b/src/op/buffers.c
deleted file mode 100644
index 39a4e442d..000000000
--- a/src/op/buffers.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/**
- * buffers.c
- * Buffers.
- *
- * Matej Pfajfar <mp292@cam.ac.uk>
- */
-
-/*
- * Changes :
- * $Log$
- * Revision 1.1  2002/06/26 22:45:50  arma
- * Initial revision
- *
- * Revision 1.1  2002/04/02 14:28:01  badbytes
- * Final finishes.
- *
- */
-
-
-#include <unistd.h>
-#include <openssl/evp.h>
-
-#include "../common/cell.h"
-#include "../common/log.h"
-
-#include "buffers.h"
-#include "crypto.h"
-#include "op.h"
-
-int buffer_data(uint16_t aci, unsigned char *buf, size_t buflen, unsigned char **outbuf, size_t *outbuflen, size_t *outbuf_dataoffset, size_t *outbuf_datalen, crypt_path_t **cpath, size_t cpathlen)
-{
-  int retval;
-  int i;
-  cell_t *cellbuf;
-  cell_t *c;
-  size_t cellbuflen;
-  size_t cells;
-  unsigned char *tmpbuf; /* temporary buffer for realloc() operations */
-  
-  if (!buf || !outbuf || !outbuflen) /* invalid parameters */
-    return -1;
-  
-  /* split the plaintext into DATA cells */
-  retval = pack_data(aci,buf, buflen, (unsigned char **)&cellbuf, &cellbuflen);
-  if (retval == -1)
-  {
-    log(LOG_DEBUG,"buffer_data() : Could not pack data into cells.");
-    return -1;
-  }
-  log(LOG_DEBUG,"buffer_data() : DATA cells created.");
-  
-  cells = cellbuflen/(sizeof(cell_t));
-  /* encrypt the cells */
-  for (i=0; i<cells; i++)
-  {
-    c = cellbuf+i;
-    /* encrypt the payload length */
-    retval = crypt_f((unsigned char *)&c->length, 1, cpath, cpathlen);
-    if (retval == -1)
-    {
-      log(LOG_ERR,"Could not encrypt the payload length of a DATA cell.");
-      free((void *)cellbuf);
-      return -1;
-    }
-    /* encrypt the payload */
-    retval = crypt_f((unsigned char *)c->payload, CELL_PAYLOAD_SIZE, cpath, cpathlen);
-    if (retval == -1)
-    {
-      log(LOG_ERR,"Could not encrypt the payload of a DATA cell.");
-      free((void *)cellbuf);
-      return -1;
-    }
-  }
-
-  /* now copy the cells into the output buffer */
-  if (*outbuflen-*outbuf_dataoffset-*outbuf_datalen < cellbuflen) /* increase the buffer size if necessary */
-  {
-    /* allocate a new buffer (in OP_DEFAULT_BUFSIZE chunks)*/
-    tmpbuf = (unsigned char *)malloc(((cellbuflen+*outbuf_datalen)/OP_DEFAULT_BUFSIZE+1)*OP_DEFAULT_BUFSIZE);
-    if (!tmpbuf)
-    {
-      log(LOG_ERR,"Error allocating memory.");
-      free((void *)cellbuf);
-      return -1;
-    }
-    /* copy old data to the new buffer */
-    memcpy((void *)tmpbuf,(void *)(*outbuf+*outbuf_dataoffset),*outbuf_datalen);
-    /* replace the old buffer with the new one */
-    if (*outbuf)
-      free((void *)*outbuf);
-    *outbuf = tmpbuf;
-    *outbuflen = ((cellbuflen+*outbuf_datalen)/OP_DEFAULT_BUFSIZE+1) * OP_DEFAULT_BUFSIZE;
-    *outbuf_dataoffset = 0;
-  }
-  memcpy((void *)(*outbuf + *outbuf_dataoffset + *outbuf_datalen), (void *)cellbuf, cellbuflen);
-  *outbuf_datalen += cellbuflen;
-  
-  return 0;
-}
-
-int buffer_create(uint16_t aci, unsigned char *onion, size_t onionlen, unsigned char **outbuf, size_t *outbuflen, size_t *outbuf_dataoffset, size_t *outbuf_datalen, crypt_path_t **cpath, size_t cpathlen)
-{
-  int retval;
-  cell_t *cellbuf;
-  size_t cells;
-  size_t cellbuflen;
-  unsigned char *tmpbuf; /* temporary buffer for realloc() operations */
-  
-  if (!onion || !outbuf || !outbuflen || !outbuf_dataoffset || !outbuf_datalen) /* invalid parameters */
-    return -1;
-  
-  retval = pack_create(aci,onion, onionlen, (unsigned char **)&cellbuf, &cellbuflen);
-  if (retval == -1)
-  {
-    log(LOG_DEBUG,"buffer_create() : Could not pack the onion into cells.");
-    return -1;
-  }
-  log(LOG_DEBUG,"buffer_create() : CREATE cells created.");
-
-  cells = cellbuflen/(sizeof(cell_t));
-
-  /* now copy the cells into the output buffer */
-  if (*outbuflen-*outbuf_dataoffset-*outbuf_datalen < cellbuflen) /* increase the buffer size if necessary */
-  {
-    /* allocate a new buffer (in OP_DEFAULT_BUFSIZE chunks)*/
-    tmpbuf = (unsigned char *)malloc(((cellbuflen+*outbuf_datalen)/OP_DEFAULT_BUFSIZE+1)*OP_DEFAULT_BUFSIZE);
-    if (!tmpbuf)
-    {
-      log(LOG_ERR,"Error allocating memory.");
-      free((void *)cellbuf);
-      return -1;
-    }
-    /* copy old data to the new buffer */
-    memcpy((void *)tmpbuf,(void *)(*outbuf+*outbuf_dataoffset),*outbuf_datalen);
-    /* replace the old buffer with the new one */
-    if (*outbuf)
-      free((void *)*outbuf);
-    *outbuf = tmpbuf;
-    *outbuflen = ((cellbuflen+*outbuf_datalen)/OP_DEFAULT_BUFSIZE+1) * OP_DEFAULT_BUFSIZE;
-    *outbuf_dataoffset = 0;
-  }
-  memcpy((void *)(*outbuf + *outbuf_dataoffset + *outbuf_datalen), (void *)cellbuf, cellbuflen);
-  *outbuf_datalen += cellbuflen;
-  
-  return 0;
-}