Changeset 862371b for libfaim/ft.c

Timestamp:

Jun 29, 2003, 1:47:04 PM (23 years ago)

Author:

James M. Kretchmar <kretch@mit.edu>

Branches:

master, barnowl_perlaim, debian, owl, release-1.10, release-1.4, release-1.5, release-1.6, release-1.7, release-1.8, release-1.9

Children:

e016fc2

Parents:

03ad7b2

Message:

*** empty log message ***

File:

• libfaim/ft.c (modified) (42 diffs)

libfaim/ft.c

@@ -10 +10 @@
 #endif
 #include <aim.h>
-
 
 #ifndef _WIN32
@@ -17 +16 @@
 #include <netinet/in.h>
 #include <sys/utsname.h> /* for aim_directim_initiate */
-
 #include <arpa/inet.h> /* for inet_ntoa */
-
+#define G_DIR_SEPARATOR '/'
 #endif
 
-/* TODO: 
-   o look for memory leaks.. there's going to be shitloads, i'm sure. 
-*/
+#ifdef _WIN32
+#include "win32dep.h"
+#endif
+
+#define AIM_OFT_PROTO_OFFER          0x0101
+#define AIM_OFT_PROTO_ACCEPT         0x0202
+#define AIM_OFT_PROTO_RESUME         0x0205
+#define AIM_OFT_PROTO_RESUMEACCEPT   0x0207
+#define AIM_OFT_PROTO_ACK            0x0204
+
+struct aim_filetransfer_priv {
+        char sn[MAXSNLEN+1];
+        char cookie[8];
+        char ip[30];
+        int state;
+        struct aim_fileheader_t fh;
+};
 
 struct aim_directim_intdata {
@@ -33 +45 @@
 
 static int listenestablish(fu16_t portnum);
+static struct aim_fileheader_t *aim_oft_getfh(aim_bstream_t *bs);
+static void oft_dirconvert(char *name);
+static int aim_oft_buildheader(aim_bstream_t *bs, struct aim_fileheader_t *fh);
  
 /**
@@ -90 +105 @@
                 aim_rxcallback_t userfunc;
 
-
                 newconn->priv = cur->priv;
                 cur->priv = NULL;
@@ -100 +114 @@
                         ret = userfunc(sess, NULL, newconn, cur);
 #endif
+        } else if (newconn->subtype == AIM_CONN_SUBTYPE_OFT_SENDFILE) {
+                struct aim_filetransfer_priv *ft;
+                aim_rxcallback_t userfunc;
+
+                /* The new conn automatically inherits the internal value
+                 * of cur. */
+                cur->internal = NULL;
+                ft = (struct aim_filetransfer_priv *)newconn->internal;
+
+                snprintf(ft->ip, sizeof(ft->ip), "%s:%u", inet_ntoa(((struct sockaddr_in *)&cliaddr)->sin_addr), ntohs(((struct sockaddr_in *)&cliaddr)->sin_port));
+
+                if ((userfunc = aim_callhandler(sess, newconn, AIM_CB_FAM_OFT, AIM_CB_OFT_SENDFILEINITIATE)))
+                        ret = userfunc(sess, NULL, newconn, cur);
         } else { 
                 faimdprintf(sess, 1,"Got a Connection on a listener that's not Rendezvous Closing conn.\n");
@@ -110 +137 @@
 
 /**
+ * aim_send_typing - send client-to-client typing notification over established connection
+ * @sess: session to conn
+ * @conn: directim connection
+ * @typing: If true, notify user has started typing; if false, notify user has stopped.
+ *
+ * The connection must have been previously established.
+ */
+faim_export int aim_send_typing(aim_session_t *sess, aim_conn_t *conn, int typing)
+{
+        struct aim_directim_intdata *intdata = (struct aim_directim_intdata *)conn->internal;
+        aim_frame_t *fr;
+        aim_bstream_t *hdrbs;
+        fu8_t *hdr;
+        int hdrlen = 0x44;
+
+        if (!sess || !conn || (conn->type != AIM_CONN_TYPE_RENDEZVOUS))
+                return -EINVAL;
+
+        if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x01, 0)))
+                return -ENOMEM;
+        memcpy(fr->hdr.rend.magic, "ODC2", 4);
+        fr->hdr.rend.hdrlen = hdrlen;
+
+        if (!(hdr = calloc(1, hdrlen))) {
+                aim_frame_destroy(fr);
+                return -ENOMEM;
+        }
+
+        hdrbs = &(fr->data);
+        aim_bstream_init(hdrbs, hdr, hdrlen);
+
+        aimbs_put16(hdrbs, 0x0006);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_putraw(hdrbs, intdata->cookie, 8);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put32(hdrbs, 0x00000000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+
+        /* flags -- 0x000e for "started typing", 0x0002 for "stopped typing */
+        aimbs_put16(hdrbs, ( typing ? 0x000e : 0x0002));
+
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_putraw(hdrbs, sess->sn, strlen(sess->sn));
+        
+        aim_bstream_setpos(hdrbs, 52); /* bleeehh */
+
+        aimbs_put8(hdrbs, 0x00);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put8(hdrbs, 0x00);
+
+        /* end of hdr */
+
+        aim_tx_enqueue(sess, fr);
+
+        return 0;
+} 
+
+/**
  * aim_send_im_direct - send IM client-to-client over established connection
  * @sess: session to conn
  * @conn: directim connection
- * @msg: null-terminated string to send; if this is NULL, it will send a "typing" notice. 
- *
+ * @msg: null-terminated string to send. 
+ * @len: The length of the message to send, including binary data.
+ * @encoding: 0 for ascii, 2 for Unicode, 3 for ISO 8859-1
+ * 
  * Call this just like you would aim_send_im, to send a directim. You
  * _must_ have previously established the directim connection.
  */
-faim_export int aim_send_im_direct(aim_session_t *sess, aim_conn_t *conn, const char *msg)
+faim_export int aim_send_im_direct(aim_session_t *sess, aim_conn_t *conn, const char *msg, int len, int encoding)
 {
         struct aim_directim_intdata *intdata = (struct aim_directim_intdata *)conn->internal;
         aim_frame_t *fr;
-        aim_bstream_t hdrbs; /* XXX this should be within aim_frame_t */
-
-        if (!sess || !conn || (conn->type != AIM_CONN_TYPE_RENDEZVOUS)) 
+        aim_bstream_t *hdrbs;
+        int hdrlen = 0x44;
+        fu8_t *hdr;
+
+        if (!sess || !conn || !msg || (conn->type != AIM_CONN_TYPE_RENDEZVOUS)) 
                 return -EINVAL; 
 
-        if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x01, strlen(msg))))
-               return -ENOMEM;  
-
-        memcpy(fr->hdr.oft.magic, "ODC2", 4);
+        if (!(fr = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x01, len)))
+                return -ENOMEM; 
+
+        memcpy(fr->hdr.rend.magic, "ODC2", 4);
+        fr->hdr.rend.hdrlen = hdrlen;
         
-        fr->hdr.oft.hdr2len = 0x44;
-        
-        if (!(fr->hdr.oft.hdr2 = calloc(1, fr->hdr.oft.hdr2len))) { 
+        if (!(hdr = calloc(1, hdrlen + len))) {
                 aim_frame_destroy(fr);
                 return -ENOMEM;
         }
+
+        hdrbs = &(fr->data);
+        aim_bstream_init(hdrbs, hdr, hdrlen + len);
+
+        aimbs_put16(hdrbs, 0x0006);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_putraw(hdrbs, intdata->cookie, 8);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put32(hdrbs, len);
+        aimbs_put16(hdrbs, encoding);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
         
-        aim_bstream_init(&hdrbs, fr->hdr.oft.hdr2, fr->hdr.oft.hdr2len);
-
-        aimbs_put16(&hdrbs, 0x0006);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_putraw(&hdrbs, intdata->cookie, 8);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put32(&hdrbs, strlen(msg));
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-
-        /* flags -- 0x000e for "typing", 0x0000 for message */
-        aimbs_put16(&hdrbs, msg ? 0x0000 : 0x000e);
-
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_putraw(&hdrbs, sess->sn, strlen(sess->sn));
-
-        aim_bstream_setpos(&hdrbs, 52); /* bleeehh */
-
-        aimbs_put8(&hdrbs, 0x00);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-        aimbs_put16(&hdrbs, 0x0000);
-
+        /* flags -- 0x000e for "started typing", 0x0002 for "stopped typing, 0x0000 for message */
+        aimbs_put16(hdrbs, 0x0000);
+
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_putraw(hdrbs, sess->sn, strlen(sess->sn));
+
+        aim_bstream_setpos(hdrbs, 52); /* bleeehh */
+
+        aimbs_put8(hdrbs, 0x00);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put16(hdrbs, 0x0000);
+        aimbs_put8(hdrbs, 0x00);
+        
         /* end of hdr2 */
-
-        if (msg) {
+        
 #if 0 /* XXX this is how you send buddy icon info... */ 
-                i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0008);
-                i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x000c);
-                i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000);
-                i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x1466);
-                i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0001);
-                i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x2e0f);
-                i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x393e);
-                i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0xcac8);
+        i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0008);
+        i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x000c);
+        i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0000);
+        i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x1466);
+        i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x0001);
+        i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x2e0f);
+        i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0x393e);
+        i += aimutil_put16(newpacket->hdr.oft.hdr2+i, 0xcac8);
 #endif
-                aimbs_putraw(&fr->data, msg, strlen(msg));
-        } 
-
+        aimbs_putraw(hdrbs, msg, len);
+        
         aim_tx_enqueue(sess, fr);
-
+        
         return 0;
 } 
@@ -279 +379 @@
  *
  */
-faim_export aim_conn_t *aim_sendfile_initiate(aim_session_t *sess, const char *destsn, const char *filename, fu16_t numfiles, fu32_t totsize)
+faim_export aim_conn_t *aim_sendfile_initiate(aim_session_t *sess, const char *destsn, const char *filename, fu16_t numfiles, fu32_t totsize, char *cookret)
 { 
         aim_conn_t *newconn;
         aim_msgcookie_t *cookie;
-        struct aim_directim_intdata *priv;
+        struct aim_filetransfer_priv *ft;
         int listenfd;
+
+        /* XXX allow different ports */
         fu16_t port = 4443;
         fu8_t localip[4];
@@ -299 +401 @@
         cookie = (aim_msgcookie_t *)calloc(1, sizeof(aim_msgcookie_t));
         memcpy(cookie->cookie, ck, 8);
-        cookie->type = AIM_COOKIETYPE_OFTIM;
+        cookie->type = AIM_COOKIETYPE_OFTSEND;
+        memcpy(cookret, ck, 8);
 
         /* this one is for the cookie */
-        priv = (struct aim_directim_intdata *)calloc(1, sizeof(struct aim_directim_intdata));
-
-        memcpy(priv->cookie, ck, 8);
-        strncpy(priv->sn, destsn, sizeof(priv->sn));
-        cookie->data = priv;
+        ft = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv));
+
+        memcpy(ft->cookie, ck, 8);
+        strncpy(ft->sn, destsn, sizeof(ft->sn));
+        cookie->data = ft;
         aim_cachecookie(sess, cookie);
 
-        /* XXX switch to aim_cloneconn()? */
         if (!(newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS_OUT, NULL))) {
                 close(listenfd);
@@ -316 +418 @@
 
         /* this one is for the conn */
-        priv = (struct aim_directim_intdata *)calloc(1, sizeof(struct aim_directim_intdata));
-
-        memcpy(priv->cookie, ck, 8);
-        strncpy(priv->sn, destsn, sizeof(priv->sn));
+        ft = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv));
+
+        memcpy(ft->cookie, ck, 8);
+        strncpy(ft->sn, destsn, sizeof(ft->sn));
 
         newconn->fd = listenfd;
         newconn->subtype = AIM_CONN_SUBTYPE_OFT_SENDFILE;
-        newconn->internal = priv;
+        newconn->internal = ft;
         newconn->lastactivity = time(NULL);
 
@@ -335 +437 @@
  * unsigned int aim_oft_listener_clean - close up old listeners
  * @sess: session to clean up in
- * @age: maximum age in seconds 
+ * @age: maximum age in seconds
  *
  * returns number closed, -1 on error.
  */
-faim_export unsigned int aim_oft_listener_clean(struct aim_session_t *sess, time_t age) 
-{ 
-  struct aim_conn_t *cur;
-  time_t now;
-  unsigned int hit = 0;
-  
-  if (!sess)
-    return -1;
-  now = time(NULL);
-  faim_mutex_lock(&sess->connlistlock);
-  for(cur = sess->connlist;cur; cur = cur->next)
-    if (cur->type == AIM_CONN_TYPE_RENDEZVOUS_OUT) { 
-      faim_mutex_lock(&cur->active);
-      if (cur->lastactivity < (now - age) ) { 
-        faim_mutex_unlock(&cur->active);
-        aim_conn_close(cur);
-        hit++;
-      } else 
-        faim_mutex_unlock(&cur->active);
-    } 
-  faim_mutex_unlock(&sess->connlistlock);
-  return hit;
-} 
-#endif 
+faim_export unsigned int aim_oft_listener_clean(aim_session_t *sess, time_t age)
+{
+        aim_conn_t *cur;
+        time_t now;
+        unsigned int hit = 0;
+
+        if (!sess)
+                return -1;
+        now = time(NULL);
+
+        for(cur = sess->connlist;cur; cur = cur->next)
+                if (cur->type == AIM_CONN_TYPE_RENDEZVOUS_OUT) {
+                        if (cur->lastactivity < (now - age) ) {
+                                aim_conn_close(cur);
+                                hit++;
+                        }
+                }
+        return hit;
+}
+#endif
 
 faim_export const char *aim_directim_getsn(aim_conn_t *conn)
@@ -369 +467 @@
 
         if (!conn)
-               return NULL;
+                return NULL;
 
         if ((conn->type != AIM_CONN_TYPE_RENDEZVOUS) || 
                         (conn->subtype != AIM_CONN_SUBTYPE_OFT_DIRECTIM))
-               return NULL;
+                return NULL;
 
         if (!conn->internal)
@@ -432 +530 @@
  * aim_directim_getconn - find a directim conn for buddy name
  * @sess: your session,
- * @name: the name to get,  
+ * @name: the name to get,
  *
  * returns conn for directim with name, %NULL if none found. 
@@ -466 +564 @@
  * @cookie: the cookie used
  * @ip: the ip to connect to
+ * @port: the port to use
+ * @rendid: capability type (%AIM_CAPS_GETFILE or %AIM_CAPS_SENDFILE)
+ *
  * @listingfiles: number of files to share
  * @listingtotsize: total size of shared files
  * @listingsize: length of the listing file(buffer)
  * @listingchecksum: checksum of the listing
- * @rendid: capability type (%AIM_CAPS_GETFILE or %AIM_CAPS_SENDFILE)  
  *
  * Returns new connection or %NULL on error.
@@ -476 +576 @@
  * XXX this should take a struct.
  */
-faim_export aim_conn_t *aim_accepttransfer(aim_session_t *sess, 
-                                                  aim_conn_t *conn, 
-                                                  const char *sn, const fu8_t *cookie, 
-                                                  const fu8_t *ip, 
-                                                  fu16_t listingfiles, 
-                                                  fu16_t listingtotsize, 
-                                                  fu16_t listingsize, 
-                                                  fu32_t listingchecksum, 
-                                                  fu16_t rendid)
-{
-       return NULL;     
+faim_export aim_conn_t *aim_accepttransfer(aim_session_t *sess, aim_conn_t *conn, const char *sn,
+                                                const fu8_t *cookie, const fu8_t *ip, 
+                                                fu16_t port, fu16_t rendid, ...)
+{
+        aim_frame_t *newpacket;
+        aim_conn_t *newconn;
+        struct aim_filetransfer_priv *priv;
+        int i;
+        char addr[21];
+
+        if (!sess || !conn || !sn || !cookie || !ip) {
+                return NULL;
+        }
+
+        /* OSCAR CAP accept packet */
+
+        if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x0002, 10+8+2+1+strlen(sn)+4+2+8+16))) {
+                return NULL;
+        }
+
+        aim_putsnac(&newpacket->data, 0x0004, 0x0006, 0x0000, sess->snacid_next);
+
+        for (i = 0; i < 8; i++)
+                aimbs_put8(&newpacket->data, cookie[i]);
+
+        aimbs_put16(&newpacket->data, 0x0002);
+        aimbs_put8(&newpacket->data, strlen(sn));
+        aimbs_putraw(&newpacket->data, sn, strlen(sn));
+        aimbs_put16(&newpacket->data, 0x0005);
+        aimbs_put16(&newpacket->data, 0x001a);
+        aimbs_put16(&newpacket->data, AIM_RENDEZVOUS_ACCEPT);
+
+        for (i = 0; i < 8; i++) /* yes, again... */
+                aimbs_put8(&newpacket->data, cookie[i]);
+
+        aim_putcap(&newpacket->data, rendid);
+        aim_tx_enqueue(sess, newpacket);
+
+        snprintf(addr, sizeof(addr), "%s:%d", ip, port);
+        newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS, addr);
+
+        if (newconn->status & AIM_CONN_STATUS_CONNERR) {
+                return NULL;
+        }
+
+        if (!newconn || (newconn->fd == -1)) {
+                perror("aim_newconn");
+        faimdprintf(sess, 2, "could not connect to %s (fd: %i)\n", ip, newconn?newconn->fd:0);
+                return newconn;
+        }
+
+        priv = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv));
+
+        memcpy(priv->cookie, cookie, 8);
+        priv->state = 0;
+        strncpy(priv->sn, sn, MAXSNLEN);
+        strncpy(priv->ip, ip, sizeof(priv->ip));
+        newconn->internal = (void *)priv;
+
+        faimdprintf(sess, 2, "faim: connected to peer (fd = %d)\n", newconn->fd);
+
+        if (rendid == AIM_CAPS_GETFILE) {
+                return NULL; /* This should never happen for now. -- wtm */
+
 #if 0
-  struct command_tx_struct *newpacket, *newoft;
-  struct aim_conn_t *newconn;
-  struct aim_fileheader_t *fh;
-  struct aim_filetransfer_priv *priv;
-  struct aim_msgcookie_t *cachedcook;
-  int curbyte, i;
-
-  if (!sess || !conn || !sn || !cookie || !ip) {
-    return NULL;
-  }
-
-  newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS, ip);
-
-  if (!newconn || (newconn->fd == -1)) {
-    perror("aim_newconn");
-    faimdprintf(sess, 2, "could not connect to %s (fd: %i)\n", ip, newconn?newconn->fd:0);
-    return newconn;
-  } else {
-    priv = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv));
-
-    memcpy(priv->cookie, cookie, 8);
-    priv->state = 0;
-    strncpy(priv->sn, sn, MAXSNLEN);
-    strncpy(priv->ip, ip, sizeof(priv->ip));
-    newconn->priv = (void *)priv;
-
-    faimdprintf(sess, 2, "faim: connected to peer (fd = %d)\n", newconn->fd);
-  }
-
-  if (rendid == AIM_CAPS_GETFILE)  {
-    newconn->subtype = AIM_CONN_SUBTYPE_OFT_GETFILE;
-
-      faimdprintf(sess, 2, "faim: getfile request accept\n");
-
-      if (!(newoft = aim_tx_new(sess, newconn, AIM_FRAMETYPE_OFT, 0x1108, 0))) { 
-        faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
-        /* XXX: conn leak here */
-        return NULL;
-      } 
-
-      newoft->lock = 1;
-      memcpy(newoft->hdr.oft.magic, "OFT2", 4);
-      newoft->hdr.oft.hdr2len = 0x100 - 8;
-
-      if (!(fh = (struct aim_fileheader_t*)calloc(1, sizeof(struct aim_fileheader_t)))) {
-        /* XXX: conn leak here */
-        perror("calloc");
-        return NULL;
-      }
-
-      fh->encrypt = 0x0000;
-      fh->compress = 0x0000;
-      fh->totfiles = listingfiles;
-      fh->filesleft = listingfiles;      /* is this right -- total parts and parts left?*/
-      fh->totparts = 0x0001;
-      fh->partsleft = 0x0001;
-      fh->totsize = listingtotsize;
-      fh->size = listingsize;      /* ls -l listing.txt */
-      fh->modtime = (int)time(NULL); /* we'll go with current time for now */
-      fh->checksum = listingchecksum;
-      fh->rfcsum = 0x00000000;
-      fh->rfsize = 0x00000000;
-      fh->cretime = 0x00000000;
-      fh->rfcsum = 0x00000000;
-      fh->nrecvd = 0x00000000;
-      fh->recvcsum = 0x00000000;
-      memset(fh->idstring, 0, sizeof(fh->idstring));
-      memcpy(fh->idstring, "OFT_Windows ICBMFT V1.1 32", sizeof(fh->idstring));
-      fh->flags = 0x02;
-      fh->lnameoffset = 0x1a;
-      fh->lsizeoffset = 0x10;
-      memset(fh->dummy, 0, sizeof(fh->dummy));
-      memset(fh->macfileinfo, 0, sizeof(fh->macfileinfo));
-
-      /* we need to figure out these encodings for filenames */
-      fh->nencode = 0x0000;
-      fh->nlanguage = 0x0000;
-      memset(fh->name, 0, sizeof(fh->name));
-      memcpy(fh->name, "listing.txt", sizeof(fh->name));
-
-      if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { 
-        newoft->lock = 0;
-        aim_frame_destroy(newoft);
-        /* XXX: conn leak */
-        perror("calloc (1)");
-        return NULL;
-      } 
-
-      memcpy(fh->bcookie, cookie, 8);
-
-      if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, fh)))
-        faimdprintf(sess, 1, "eek, bh fail!\n");
-
-      newoft->lock = 0;
-      aim_tx_enqueue(sess, newoft);
-   
-      if (!(cachedcook = (struct aim_msgcookie_t *)calloc(1, sizeof(struct aim_msgcookie_t)))) { 
-        faimdprintf(sess, 1, "faim: accepttransfer: couldn't calloc cachedcook. yeep!\n");
-        /* XXX: more cleanup, conn leak */
-        perror("calloc (2)");
-        return NULL;
-      }
-
-      memcpy(&(priv->fh), fh, sizeof(struct aim_fileheader_t));
-      memcpy(cachedcook->cookie, cookie, 8);
-
-      cachedcook->type = AIM_COOKIETYPE_OFTGET;
-      cachedcook->data = (void *)priv;
-
-      if (aim_cachecookie(sess, cachedcook) == -1)
-        faimdprintf(sess, 1, "faim: ERROR caching message cookie\n");
-
-      free(fh);     
- 
-      /* OSCAR CAP accept packet */
-   
-      if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+8+2+1+strlen(sn)+4+2+8+16))) {
-        return NULL;
-      }
-  } else {
-    return NULL;
-  }
-  
-  newpacket->lock = 1;
-  curbyte = aim_putsnac(newpacket->data, 0x0004, 0x0006, 0x0000, sess->snac_nextid);
-
-  for (i = 0; i < 8; i++)
-    curbyte += aimutil_put8(newpacket->data+curbyte, cookie[i]);
-
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
-  curbyte += aimutil_put8(newpacket->data+curbyte, strlen(sn));
-  curbyte += aimutil_putstr(newpacket->data+curbyte, sn, strlen(sn));
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x001a);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002 /* accept*/);
-
-  for (i = 0;i < 8; i++) 
-    curbyte += aimutil_put8(newpacket->data+curbyte, cookie[i]);
-
-  curbyte += aim_putcap(newpacket->data+curbyte, 0x10, rendid);
-  newpacket->lock = 0;
-  aim_tx_enqueue(sess, newpacket);
-
-  return newconn;
+        struct aim_fileheader_t *fh;
+        aim_frame_t *newoft;
+        aim_msgcookie_t *cachedcook;
+        /* XXX take the following parameters    fu16_t listingfiles, 
+                                                fu16_t listingtotsize, 
+                                                fu16_t listingsize, 
+                                                fu32_t listingchecksum, */
+
+        newconn->subtype = AIM_CONN_SUBTYPE_OFT_GETFILE;
+
+        faimdprintf(sess, 2, "faim: getfile request accept\n");
+
+        if (!(newoft = aim_tx_new(sess, newconn, AIM_FRAMETYPE_OFT, 0x1108, 0))) { 
+                faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
+                /* XXX: conn leak here */
+                return NULL;
+        } 
+
+        memcpy(newoft->hdr.oft.magic, "OFT2", 4);
+        newoft->hdr.oft.hdr2len = 0x100 - 8;
+
+        if (!(fh = (struct aim_fileheader_t*)calloc(1, sizeof(struct aim_fileheader_t)))) {
+                /* XXX: conn leak here */
+                perror("calloc");
+                return NULL;
+        }
+
+        fh->encrypt = 0x0000;
+        fh->compress = 0x0000;
+        fh->totfiles = listingfiles;
+        fh->filesleft = listingfiles; /* is this right -- total parts and parts left?*/
+        fh->totparts = 0x0001;
+        fh->partsleft = 0x0001;
+        fh->totsize = listingtotsize;
+        fh->size = listingsize; /* ls -l listing.txt */
+        fh->modtime = (int)time(NULL); /* we'll go with current time for now */
+        fh->checksum = listingchecksum;
+        fh->rfcsum = 0x00000000;
+        fh->rfsize = 0x00000000;
+        fh->cretime = 0x00000000;
+        fh->rfcsum = 0x00000000;
+        fh->nrecvd = 0x00000000;
+        fh->recvcsum = 0x00000000;
+        memset(fh->idstring, 0, sizeof(fh->idstring));
+        strncpy(fh->idstring, "OFT_Windows ICBMFT V1.1 32", sizeof(fh->idstring));
+        fh->flags = 0x02;
+        fh->lnameoffset = 0x1a;
+        fh->lsizeoffset = 0x10;
+        memset(fh->dummy, 0, sizeof(fh->dummy));
+        memset(fh->macfileinfo, 0, sizeof(fh->macfileinfo));
+
+        /* we need to figure out these encodings for filenames */
+        fh->nencode = 0x0000;
+        fh->nlanguage = 0x0000;
+        memset(fh->name, 0, sizeof(fh->name));
+        strncpy(fh->name, "listing.txt", sizeof(fh->name));
+
+        if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) {
+                aim_frame_destroy(newoft);
+                /* XXX: conn leak */
+                perror("calloc (1)");
+                return NULL;
+        }
+
+        memcpy(fh->bcookie, cookie, 8);
+
+        if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, fh)))
+                faimdprintf(sess, 1, "eek, bh fail!\n");
+
+        aim_tx_enqueue(sess, newoft);
+
+        if (!(cachedcook = (aim_msgcookie_t *)calloc(1, sizeof(aim_msgcookie_t)))) { 
+                faimdprintf(sess, 1, "faim: accepttransfer: couldn't calloc cachedcook. yeep!\n");
+                /* XXX: more cleanup, conn leak */
+                perror("calloc (2)");
+                return NULL;
+        }
+
+        memcpy(&(priv->fh), fh, sizeof(struct aim_fileheader_t));
+        memcpy(cachedcook->cookie, cookie, 8);
+
+        cachedcook->type = AIM_COOKIETYPE_OFTGET;
+        /* XXX doesn't priv need to be copied so we don't
+         * double free? -- wtm
+         */
+        cachedcook->data = (void *)priv;
+
+        if (aim_cachecookie(sess, cachedcook) == -1)
+                faimdprintf(sess, 1, "faim: ERROR caching message cookie\n");
+
+        free(fh);
 #endif
+
+        } else if (rendid == AIM_CAPS_SENDFILE) {
+                newconn->subtype = AIM_CONN_SUBTYPE_OFT_SENDFILE;
+                priv->fh.recvcsum = 0xffff0000;
+        } else {
+                return NULL;
+        }
+
+        return newconn;
+}
+
+/* conn is a BOS connection over which to send the cancel msg */
+faim_export int aim_canceltransfer(aim_session_t *sess, aim_conn_t *conn,
+                const char *cookie, const char *sn, int rendid)
+{
+        aim_frame_t *newpacket;
+        int i;
+
+        if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_FLAP, 0x0002, 10+8+2+1+strlen(sn)+4+2+8+16))) {
+                return 1;
+        }
+
+        aim_putsnac(&newpacket->data, 0x0004, 0x0006, 0x0000, sess->snacid_next);
+
+        for (i = 0; i < 8; i++)
+                aimbs_put8(&newpacket->data, cookie[i]);
+
+        aimbs_put16(&newpacket->data, 0x0002);
+        aimbs_put8(&newpacket->data, strlen(sn));
+        aimbs_putraw(&newpacket->data, sn, strlen(sn));
+        aimbs_put16(&newpacket->data, 0x0005);
+        aimbs_put16(&newpacket->data, 0x001a);
+        aimbs_put16(&newpacket->data, AIM_RENDEZVOUS_CANCEL);
+
+        for (i = 0; i < 8; i++)
+                aimbs_put8(&newpacket->data, cookie[i]);
+
+        aim_putcap(&newpacket->data, rendid);
+        aim_tx_enqueue(sess, newpacket);
+
+        return 0;
 }
 
 /**
  * aim_getlisting(FILE *file) -- get an aim_fileheader_t for a given FILE*
- *  @file is an opened listing file
+ * @file is an opened listing file
  * 
  * returns a pointer to the filled-in fileheader_t
@@ -649 +790 @@
         return NULL;
 #if 0
-  struct aim_fileheader_t *fh;
-  u_long totsize = 0, size = 0, checksum = 0xffff0000;
-  short totfiles = 0;
-  char *linebuf, sizebuf[9];
-  
-  int linelength = 1024;
-
-  /* XXX: if we have a line longer than 1024chars, God help us. */
-  if ( (linebuf = (char *)calloc(1, linelength)) == NULL ) {
-    faimdprintf(sess, 2, "linebuf calloc failed\n");
-    return NULL;
-  }  
-
-  if (fseek(file, 0, SEEK_END) == -1) { /* use this for sanity check */
-    perror("getlisting END1 fseek:");
-    faimdprintf(sess, 2, "getlising fseek END1 error\n");
-  }
-
-  if ((size = ftell(file)) == -1) {
-    perror("getlisting END1 getpos:");
-    faimdprintf(sess, 2, "getlising getpos END1 error\n");
-  }
-
-  if (fseek(file, 0, SEEK_SET) != 0) {
-    perror("getlesting fseek(SET):");
-    faimdprintf(sess, 2, "faim: getlisting: couldn't seek to beginning of listing file\n");
-  }
-
-  memset(linebuf, 0, linelength);
-
-  size = 0;
-
-  while(fgets(linebuf,  linelength, file)) {
-    totfiles++;
-    memset(sizebuf, 0, 9);
-
-    size += strlen(linebuf);
-    
-    if (strlen(linebuf) < 23) {
-      faimdprintf(sess, 2, "line \"%s\" too short. skipping\n", linebuf);
-      continue;
-    }
-    if (linebuf[strlen(linebuf)-1] != '\n') {
-      faimdprintf(sess, 2, "faim: OFT: getlisting -- hit EOF or line too long!\n");
-    }
-
-    memcpy(sizebuf, linebuf+17, 8);
-
-    totsize += strtol(sizebuf, NULL, 10);
-    memset(linebuf, 0, linelength);
-  }   
-
-  if (fseek(file, 0, SEEK_SET) == -1) {
-    perror("getlisting END2 fseek:");
-    faimdprintf(sess, 2, "getlising fseek END2 error\n");
-  }  
-
-  free(linebuf);
-
-  /* we're going to ignore checksumming the data for now -- that
-   * requires walking the whole listing.txt. it should probably be
-   * done at register time and cached, but, eh. */  
-
-  if (!(fh = (struct aim_fileheader_t*)calloc(1, sizeof(struct aim_fileheader_t))))
-    return NULL;
-
-  fh->encrypt     = 0x0000;
-  fh->compress    = 0x0000; 
-  fh->totfiles    = totfiles;
-  fh->filesleft   = totfiles; /* is this right ?*/
-  fh->totparts    = 0x0001;
-  fh->partsleft   = 0x0001;
-  fh->totsize     = totsize;
-  fh->size        = size; /* ls -l listing.txt */
-  fh->modtime     = (int)time(NULL); /* we'll go with current time for now */
-  fh->checksum    = checksum; /* XXX: checksum ! */
-  fh->rfcsum      = 0x00000000;
-  fh->rfsize      = 0x00000000;
-  fh->cretime     = 0x00000000;
-  fh->rfcsum      = 0x00000000;
-  fh->nrecvd      = 0x00000000;
-  fh->recvcsum    = 0x00000000;
-
-  /*  memset(fh->idstring, 0, sizeof(fh->idstring)); */
-  memcpy(fh->idstring, "OFT_Windows ICBMFT V1.1 32", sizeof(fh->idstring));
-  memset(fh->idstring+strlen(fh->idstring), 0, sizeof(fh->idstring)-strlen(fh->idstring));
-
-  fh->flags       = 0x02;
-  fh->lnameoffset = 0x1a;
-  fh->lsizeoffset = 0x10;
-
-  /*  memset(fh->dummy, 0, sizeof(fh->dummy)); */
-  memset(fh->macfileinfo, 0, sizeof(fh->macfileinfo));
-
-  fh->nencode     = 0x0000; /* we need to figure out these encodings for filenames */
-  fh->nlanguage   = 0x0000;
-
-  /*  memset(fh->name, 0, sizeof(fh->name)); */
-  memcpy(fh->name, "listing.txt", sizeof(fh->name));
-  memset(fh->name+strlen(fh->name), 0, 64-strlen(fh->name));
-
-  faimdprintf(sess, 2, "faim: OFT: listing fh name %s / %s\n", fh->name, (fh->name+(strlen(fh->name))));
-  return fh;
+        struct aim_fileheader_t *fh;
+        u_long totsize = 0, size = 0, checksum = 0xffff0000;
+        short totfiles = 0;
+        char *linebuf, sizebuf[9];
+        int linelength = 1024;
+
+        /* XXX: if we have a line longer than 1024chars, God help us. */
+        if ((linebuf = (char *)calloc(1, linelength)) == NULL ) {
+                faimdprintf(sess, 2, "linebuf calloc failed\n");
+                return NULL;
+        }
+
+        if (fseek(file, 0, SEEK_END) == -1) { /* use this for sanity check */
+                perror("getlisting END1 fseek:");
+                faimdprintf(sess, 2, "getlising fseek END1 error\n");
+        }
+
+        if ((size = ftell(file)) == -1) {
+                perror("getlisting END1 getpos:");
+                faimdprintf(sess, 2, "getlising getpos END1 error\n");
+        }
+
+        if (fseek(file, 0, SEEK_SET) != 0) {
+                perror("getlesting fseek(SET):");
+                faimdprintf(sess, 2, "faim: getlisting: couldn't seek to beginning of listing file\n");
+        }
+
+        memset(linebuf, 0, linelength);
+
+        size = 0;
+
+        while(fgets(linebuf, linelength, file)) {
+                totfiles++;
+                memset(sizebuf, 0, 9);
+
+                size += strlen(linebuf);
+
+                if (strlen(linebuf) < 23) {
+                        faimdprintf(sess, 2, "line \"%s\" too short. skipping\n", linebuf);
+                        continue;
+                }
+
+                if (linebuf[strlen(linebuf)-1] != '\n') {
+                        faimdprintf(sess, 2, "faim: OFT: getlisting -- hit EOF or line too long!\n");
+                }
+
+                memcpy(sizebuf, linebuf+17, 8);
+
+                totsize += strtol(sizebuf, NULL, 10);
+                memset(linebuf, 0, linelength);
+        }
+
+        if (fseek(file, 0, SEEK_SET) == -1) {
+                perror("getlisting END2 fseek:");
+                faimdprintf(sess, 2, "getlising fseek END2 error\n");
+        }
+
+        free(linebuf);
+
+        /* we're going to ignore checksumming the data for now -- that
+         * requires walking the whole listing.txt. it should probably be
+         * done at register time and cached, but, eh. */
+
+        if (!(fh = (struct aim_fileheader_t*)calloc(1, sizeof(struct aim_fileheader_t))))
+                return NULL;
+
+        fh->encrypt = 0x0000;
+        fh->compress = 0x0000;
+        fh->totfiles = totfiles;
+        fh->filesleft = totfiles; /* is this right? */
+        fh->totparts = 0x0001;
+        fh->partsleft = 0x0001;
+        fh->totsize = totsize;
+        fh->size = size; /* ls -l listing.txt */
+        fh->modtime = (int)time(NULL); /* we'll go with current time for now */
+        fh->checksum = checksum; /* XXX: checksum ! */
+        fh->rfcsum = 0x00000000;
+        fh->rfsize = 0x00000000;
+        fh->cretime = 0x00000000;
+        fh->rfcsum = 0x00000000;
+        fh->nrecvd = 0x00000000;
+        fh->recvcsum = 0x00000000;
+
+        /* memset(fh->idstring, 0, sizeof(fh->idstring)); */
+        memcpy(fh->idstring, "OFT_Windows ICBMFT V1.1 32", sizeof(fh->idstring));
+        memset(fh->idstring+strlen(fh->idstring), 0, sizeof(fh->idstring)-strlen(fh->idstring));
+
+        fh->flags = 0x02;
+        fh->lnameoffset = 0x1a;
+        fh->lsizeoffset = 0x10;
+
+        /* memset(fh->dummy, 0, sizeof(fh->dummy)); */
+        memset(fh->macfileinfo, 0, sizeof(fh->macfileinfo));
+
+        fh->nencode = 0x0000; /* we need to figure out these encodings for filenames */
+        fh->nlanguage = 0x0000;
+
+        /* memset(fh->name, 0, sizeof(fh->name)); */
+        strncpy(fh->name, "listing.txt", sizeof(fh->name));
+        memset(fh->name+strlen(fh->name), 0, 64-strlen(fh->name));
+
+        faimdprintf(sess, 2, "faim: OFT: listing fh name %s / %s\n", fh->name, (fh->name+(strlen(fh->name))));
+        return fh;
 #endif
 }
@@ -757 +898 @@
 /**
  * aim_listenestablish - create a listening socket on a port.
- * @portnum: the port number to bind to.  
+ * @portnum: the port number to bind to.
  *
  * you need to call accept() when it's connected. returns your fd 
@@ -784 +925 @@
         ressave = res;
         do { 
-                listenfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);    
+                listenfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
                 if (listenfd < 0)
                         continue;
@@ -802 +943 @@
         } 
 
+        fcntl(listenfd, F_SETFL, O_NONBLOCK);
+
         freeaddrinfo(ressave);
         return listenfd;
@@ -834 +977 @@
                 return -1;
         }
+        fcntl(listenfd, F_SETFL, O_NONBLOCK);
         return listenfd;
 #endif
@@ -849 +993 @@
                 int ret = 0;
                 char *listing;
-                struct command_tx_struct *newoft;
+                aim_frame_t *newoft;
 
                 if (!(listing = malloc(ft->fh.size)))
@@ -860 +1004 @@
                 if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x120b, 0))) {
                         faimdprintf(sess, 2, "faim: aim_get_command_rendezvous: getfile listing: tx_new OFT failed\n");
-                        faim_mutex_unlock(&conn->active);
                         free(listing);
                         aim_conn_close(conn);
@@ -896 +1039 @@
                 /* waiting on file data */
                 if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_GETFILERECEIVE)) ) 
-                        return userfunc(sess, NULL, conn, ft);
+                        return userfunc(sess, NULL, conn, ft->fh.name,
+                                        ft->fh.size);
                 return 0;
         }
@@ -916 +1060 @@
 {
         aim_msgcookie_t *cook;
-        struct aim_filetransfer_priv *priv = (struct aim_filetransfer_priv *)conn->priv;
+        struct aim_filetransfer_priv *priv = (struct aim_filetransfer_priv *)conn->internal;
 
         cook = aim_uncachecookie(sess, priv->cookie, AIM_COOKIETYPE_OFTSEND);
@@ -926 +1070 @@
 static void connkill_sendfile(aim_session_t *sess, aim_conn_t *conn)
 {
-        
         free(conn->internal);
 
@@ -934 +1077 @@
 static void connclose_getfile(aim_session_t *sess, aim_conn_t *conn)
 {
+#if 0
         aim_msgcookie_t *cook;
         struct aim_filetransfer_priv *priv = (struct aim_filetransfer_priv *)conn->priv;
@@ -939 +1083 @@
         cook = aim_uncachecookie(sess, priv->cookie, AIM_COOKIETYPE_OFTGET);
         aim_cookie_free(sess, cook);
-
+#endif
         return;
 }
@@ -1002 +1146 @@
 }
 
-static int handlehdr_directim(aim_session_t *sess, aim_conn_t *conn, fu8_t *hdr)
+static int handlehdr_directim(aim_session_t *sess, aim_conn_t *conn, aim_bstream_t *bs)
 {
         aim_frame_t fr;
         aim_rxcallback_t userfunc;
         fu32_t payloadlength;
-        fu16_t flags;
+        fu16_t flags, encoding;
         char *snptr = NULL;
 
         fr.conn = conn;
 
-        payloadlength = aimutil_get32(hdr+22);
-        flags = aimutil_get16(hdr+32);
-        snptr = (char *)hdr+38;
+        /* XXX ugly */
+        aim_bstream_setpos(bs, 20);
+        payloadlength = aimbs_get32(bs);
+
+        aim_bstream_setpos(bs, 24);
+        encoding = aimbs_get16(bs);
+
+        aim_bstream_setpos(bs, 30);
+        flags = aimbs_get16(bs);
+
+        aim_bstream_setpos(bs, 36);
+        /* XXX -create an aimbs_getnullstr function? */
+        snptr = aimbs_getstr(bs, MAXSNLEN);
 
         faimdprintf(sess, 2, "faim: OFT frame: handlehdr_directim: %04x / %04x / %s\n", payloadlength, flags, snptr);
 
-        if (flags == 0x000e) { 
+        if (flags & 0x0002) {
                 int ret = 0;
 
+                if (flags == 0x000c) {
+                        if ((userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMTYPING)))
+                                ret = userfunc(sess, &fr, snptr, 1);
+                        return ret;
+                }
+
                 if ((userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMTYPING)))
-                        ret = userfunc(sess, &fr, snptr);
+                        ret = userfunc(sess, &fr, snptr, 0);
 
                 return ret;
 
-        } else if ((flags == 0x0000) && payloadlength) { 
-                char *msg;
+        } else if (((flags & 0x000f) == 0x0000) && payloadlength) {
+                char *msg, *msg2;
                 int ret = 0;
+                int recvd = 0;
+                int i;
 
                 if (!(msg = calloc(1, payloadlength+1)))
                         return -1;
-
-                if (aim_recv(conn->fd, msg, payloadlength) < payloadlength) {
-                        free(msg);
-                        return -1;
+                msg2 = msg;
+                
+                while (payloadlength - recvd) {
+                        if (payloadlength - recvd >= 1024)
+                                i = aim_recv(conn->fd, msg2, 1024);
+                        else 
+                                i = aim_recv(conn->fd, msg2, payloadlength - recvd);
+                        if (i <= 0) {
+                                free(msg);
+                                return -1;
+                        }
+                        recvd = recvd + i;
+                        msg2 = msg2 + i;
+                        if ((userfunc=aim_callhandler(sess, conn, AIM_CB_FAM_SPECIAL, AIM_CB_SPECIAL_IMAGETRANSFER)))
+                                userfunc(sess, &fr, snptr, (double)recvd / payloadlength);
                 }
-
-                msg[payloadlength] = '\0';
-
+                
                 if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_DIRECTIMINCOMING)) )
-                        ret = userfunc(sess, &fr, snptr, msg);
+                        ret = userfunc(sess, &fr, snptr, msg, payloadlength, encoding);
 
                 free(msg);
@@ -1057 +1228 @@
         struct aim_fileheader_t *fh;
         struct aim_msgcookie_t *cook;
-        struct command_tx_struct *newoft;
+        aim_frame_t *newoft;
         aim_rxcallback_t userfunc;
 
@@ -1081 +1252 @@
                 faimdprintf(sess, 1, "error caching cookie\n");
                 return -1;
-        }     
+        }
 
         if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x1209, 0))) {
@@ -1121 +1292 @@
 
         if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTGET)))
-                faimdprintf(sess, 2, "shit, no cookie in 0x1209. (%i/%s)going to crash..\n",  AIM_COOKIETYPE_OFTGET, fh->bcookie);
+                faimdprintf(sess, 2, "shit, no cookie in 0x1209. (%i/%s)going to crash..\n", AIM_COOKIETYPE_OFTGET, fh->bcookie);
 
         ft = cook->data;
@@ -1173 +1344 @@
 #if 0
         struct aim_filetransfer_priv *ft;
-        struct aim_msgcookie_t *cook;
+        aim_msgcookie_t *cook;
         struct aim_fileheader_t *fh;
-        struct command_tx_struct *newoft;
+        aim_frame_t *newoft;
         int i = 0;
         aim_rxcallback_t userfunc;
@@ -1205 +1376 @@
         }
 
-        newoft->lock = 1;
         memcpy(newoft->hdr.oft.magic, "OFT2", 4);
         newoft->hdr.oft.hdr2len = 0x100 - 8;
@@ -1221 +1391 @@
         aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh));
 
-        newoft->lock = 0;
         aim_tx_enqueue(sess, newoft);
 
@@ -1288 +1457 @@
 }
 
+/* We are receiving a file, and the buddy sent us this header describing
+ * it.  We send back a similar header to confirm, then we're ready to
+ * start reading the raw data.
+ */
+static int handlehdr_sendfile_sending(aim_session_t *sess, aim_conn_t *conn, aim_bstream_t *bs)
+{
+        struct aim_filetransfer_priv *ft;
+        struct aim_fileheader_t *fh;
+        aim_frame_t *newoft;
+        aim_rxcallback_t userfunc;
+
+        fh = aim_oft_getfh(bs);
+
+        /* We receive a null cookie for the first file; we must fill
+         * it in to authenticate ourselves. -- wtm
+         */
+        ft = conn->internal;
+        memcpy(&(fh->bcookie), ft->cookie, 8);
+
+        memcpy(&(ft->fh), fh, sizeof(struct aim_fileheader_t));
+        free(fh);
+
+        if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, AIM_OFT_PROTO_ACCEPT, 0))) {
+                faimdprintf(sess, 2, "faim: send_final_transfer: tx_new OFT failed\n");
+                return -1;
+        }
+
+        if (aim_oft_buildheader(&(newoft->data), &(ft->fh)) == -1) {
+                return -1;
+        }
+        memcpy(newoft->hdr.rend.magic, "OFT2", 4);
+        newoft->hdr.rend.hdrlen = aim_bstream_curpos(&newoft->data);
+
+        aim_tx_enqueue(sess, newoft);
+
+        if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_SENDFILEFILEREQ)) == NULL)
+                return 1;
+
+        {
+                char *cur;
+                /* Convert the directory separator: it is sent
+                 * as ^A (0x01).
+                 */
+                while ((cur = strchr(ft->fh.name, 0x01))) {
+                        *cur = G_DIR_SEPARATOR;
+                }
+        }
+        return userfunc(sess, NULL, conn, &(ft->fh));
+}
+
+
+/* 
+ * These were originally described by Josh Myer:
+ * http://www.geocrawler.com/archives/3/896/2000/9/0/4291064/
+ * XXX this doesn't actually work yet
+ * -- wtm
+ */
+static int handlehdr_sendfile_resume(aim_session_t *sess, aim_conn_t *conn, aim_bstream_t *bs) {
+        aim_frame_t *newoft;
+        aim_msgcookie_t *cook;
+        struct aim_fileheader_t *fh;
+        struct aim_filetransfer_priv *ft;
+
+        fh = aim_oft_getfh(bs);
+        if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTSEND))) {
+                free(fh);
+                return -1;
+        }
+        ft = (struct aim_filetransfer_priv *)cook->data;
+
+        ft->fh.nrecvd = fh->nrecvd;
+        ft->fh.recvcsum = fh->recvcsum;
+        strncpy(ft->fh.name, fh->name, sizeof(ft->fh.name));
+        if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x0106, 0))) {
+                faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
+                free(fh);
+                return -1;
+        }
+
+        if (aim_oft_buildheader(&(newoft->data), &(ft->fh)) == -1) {
+                aim_frame_destroy(newoft);
+                free(fh);
+                return -1;
+        }
+        memcpy(newoft->hdr.rend.magic, "OFT2", 4);
+        newoft->hdr.rend.hdrlen = aim_bstream_curpos(&newoft->data);
+
+        aim_tx_enqueue(sess, newoft);
+        free(fh);
+
+        return 0;
+}
+
+/* We are sending a file, and the buddy sent us this header indicating
+ * that he or she is ready for the raw data.
+ */
+static int handlehdr_sendfile_recv(aim_session_t *sess, aim_conn_t *conn, aim_bstream_t *bs) {
+        struct aim_fileheader_t *fh;
+        aim_msgcookie_t *cook;
+        int ret = 1;
+        struct aim_filetransfer_priv *ft;
+        aim_rxcallback_t userfunc;
+        
+        fh = aim_oft_getfh(bs);
+        if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTSEND))) {
+                free(fh);
+                return -1;
+        }
+        ft = (struct aim_filetransfer_priv *)cook->data;
+
+        if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_SENDFILEFILESEND)) )
+                ret = userfunc(sess, NULL, conn, &(ft->fh));
+
+        free(fh);
+
+        return ret;
+}
+
 static int handlehdr_getfile_recv(aim_session_t *sess, aim_conn_t *conn, fu8_t *hdr)
 {
 #if 0
         struct aim_fileheader_t *fh;
-        struct aim_filetransfer_priv *ft;
         struct aim_msgcookie_t *cook;
         int ret = 1;
         aim_rxcallback_t userfunc;
+        struct aim_filetransfer_priv *ft;
 
         fh = aim_oft_getfh(hdr);
@@ -1319 +1606 @@
 }
 
+/* We just sent the raw data of a file, and the buddy sent us back this
+ * header indicating that the transfer is complete.
+ */
+static int handlehdr_sendfile_finish(aim_session_t *sess, aim_conn_t *conn, aim_bstream_t *bs)
+{
+        struct aim_fileheader_t *fh;
+        aim_msgcookie_t *cook;
+        aim_rxcallback_t userfunc;
+
+        fh = aim_oft_getfh(bs);
+
+        if (!(cook = aim_checkcookie(sess, fh->bcookie, AIM_COOKIETYPE_OFTSEND))) {
+                free(fh);
+                return -1;
+        }
+
+        if ( (userfunc = aim_callhandler(sess, conn, AIM_CB_FAM_OFT, AIM_CB_OFT_SENDFILECOMPLETE)) )
+                userfunc(sess, NULL, conn, fh->bcookie);
+
+        free(fh);
+        return 0;
+}
+
 static int handlehdr_getfile_finish(aim_session_t *sess, aim_conn_t *conn, fu8_t *hdr)
 {
@@ -1338 +1648 @@
 }
 
-/**
- * aim_get_command_rendezvous - OFT equivalent of aim_get_command
- * @sess: session to work on
- * @conn: conn to pull data from 
- *
- * this reads and handles data from conn->fd. currently a little rough
- * around the edges
- */
-faim_internal int aim_get_command_rendezvous(aim_session_t *sess, aim_conn_t *conn)
-{
-        fu8_t hdrbuf1[6];
-        fu8_t *hdr = NULL;
-        int hdrlen, hdrtype;
+faim_internal int aim_rxdispatch_rendezvous(aim_session_t *sess, aim_frame_t *fr)
+{
+        aim_conn_t *conn = fr->conn;
+        aim_bstream_t *bs = &fr->data;
         int ret = -1;
 
-        if (!sess || !conn)
-                return -1;
-
-        memset(hdrbuf1, 0, sizeof(hdrbuf1));
-
-        /* I guess? I didn't understand any of that mess... */
-        if (conn->subtype == AIM_CONN_SUBTYPE_OFT_GETFILE)
+        if (conn->subtype == AIM_CONN_SUBTYPE_OFT_GETFILE) {
+                /* This should never happen. -- wtm */
                 return getcommand_getfile(sess, conn);
 
-        /* XXX fix all the error cases here */
-        if (aim_recv(conn->fd, hdrbuf1, 6) < 6) {
-
-                faimdprintf(sess, 2, "faim: rend: read error (fd: %i)\n", conn->fd);
-
-                aim_conn_close(conn);
-
-                return -1;
-        }
-
-        hdrlen = aimutil_get16(hdrbuf1+4);
-        hdrlen -= 6;
-
-        hdr = malloc(hdrlen);
-
-        if (aim_recv(conn->fd, hdr, hdrlen) < hdrlen) {
-                faimdprintf(sess, 2, "faim: rend: read2 error on %d (%d)\n", conn->fd, hdrlen);
-                free(hdr);
-                aim_conn_close(conn);
-                return -1;
-        }
-
-        hdrtype = aimutil_get16(hdr);
-
-        if (hdrtype == 0x0001)
-                ret = handlehdr_directim(sess, conn, hdr);
-        else if (hdrtype == 0x1108) /* getfile listing.txt incoming tx->rx */
-                ret = handlehdr_getfile_listing(sess, conn, hdr);
-        else if (hdrtype == 0x1209) /* get file listing ack rx->tx */
-                ret = handlehdr_getfile_listing2(sess, conn, hdr);
-        else if (hdrtype == 0x120b) /* get file listing rx confirm */
-                ret = handlehdr_getfile_listing3(sess, conn, hdr);
-        else if (hdrtype == 0x120c) /* getfile request */
-                ret = handlehdr_getfile_request(sess, conn, hdr);
-        else if (hdrtype == 0x0101) /* getfile sending data */
-                ret = handlehdr_getfile_sending(sess, conn, hdr);
-        else if (hdrtype == 0x0202) /* getfile recv data */
-                ret = handlehdr_getfile_recv(sess, conn, hdr);
-        else if (hdrtype == 0x0204) /* getfile finished */
-                ret = handlehdr_getfile_finish(sess, conn, hdr);
-        else {
-                faimdprintf(sess, 2,"faim: OFT frame: uknown type %04x\n", hdrtype);
-                ret = -1;
+        } else if (conn->subtype == AIM_CONN_SUBTYPE_OFT_SENDFILE) {
+                switch(fr->hdr.rend.type) {
+                        case AIM_OFT_PROTO_OFFER:
+                                ret = handlehdr_sendfile_sending(sess, conn, bs);
+                                break;
+                        case AIM_OFT_PROTO_RESUME:
+                                ret = handlehdr_sendfile_resume(sess, conn, bs);
+                                break;
+                        case AIM_OFT_PROTO_RESUMEACCEPT: /* like _ACCEPT */;
+                        case AIM_OFT_PROTO_ACCEPT:
+                                ret = handlehdr_sendfile_recv(sess, conn, bs);
+                                break;
+                        case AIM_OFT_PROTO_ACK:
+                                ret = handlehdr_sendfile_finish(sess, conn, bs);
+                                break;
+                        default:
+                                faimdprintf(sess, 2, "faim: OFT frame: uknown type %04x\n", fr->hdr.rend.type);
+                                ret = -1;
+                                break;
+                }
+
+        } else if (conn->subtype == AIM_CONN_SUBTYPE_OFT_DIRECTIM) {
+                if (fr->hdr.rend.type == 0x0001)
+                        ret = handlehdr_directim(sess, conn, bs);
+                else
+                        faimdprintf(sess, 0, "faim: DIM frame: unknown type %04x\n", fr->hdr.rend.type);
+
+        } else if (conn->subtype == AIM_CONN_SUBTYPE_OFT_GETFILE) {
+                /* This _really_ shouldn't happen. :) -- wtm */
+                char *hdr = NULL;
+                int hdrtype = fr->hdr.rend.type;
+                if (hdrtype == 0x1108) /* getfile listing.txt incoming tx->rx */
+                        ret = handlehdr_getfile_listing(sess, conn, hdr);
+                else if (hdrtype == 0x1209) /* get file listing ack rx->tx */
+                        ret = handlehdr_getfile_listing2(sess, conn, hdr);
+                else if (hdrtype == 0x120b) /* get file listing rx confirm */
+                        ret = handlehdr_getfile_listing3(sess, conn, hdr);
+                else if (hdrtype == 0x120c) /* getfile request */
+                        ret = handlehdr_getfile_request(sess, conn, hdr);
+                else if (hdrtype == 0x0101) /* getfile sending data */
+                        ret = handlehdr_getfile_sending(sess, conn, hdr);
+                else if (hdrtype == 0x0202) /* getfile recv data */
+                        ret = handlehdr_getfile_recv(sess, conn, hdr);
+                else if (hdrtype == 0x0204) /* getfile finished */
+                        ret = handlehdr_getfile_finish(sess, conn, hdr);
+                else {
+                        faimdprintf(sess, 2,"faim: OFT frame: uknown type %04x\n", hdrtype);
+                        ret = -1;
+                }
         }
         
-        free(hdr);
-
         if (ret == -1)
                 aim_conn_close(conn);
@@ -1415 +1715 @@
 }
 
-#if 0
 /**
  * aim_oft_getfh - extracts an &aim_fileheader_t from buffer hdr.
- * @hdr: buffer to extract header from  
- *
- * returns pointer to new struct on success; %NULL on error.  
- *
- */
-static struct aim_fileheader_t *aim_oft_getfh(unsigned char *hdr) 
-{
-  struct aim_fileheader_t *fh;
-  int i, j;
-  if (!(fh = calloc(1, sizeof(struct aim_fileheader_t))))
-    return NULL;
-  
-  /* [0] and [1] are the type. we can ignore those here. */
-  i = 2;
-  for(j = 0; j < 8; j++, i++)
-    fh->bcookie[j] = hdr[i];
-  fh->encrypt = aimutil_get16(hdr+i);
-  i += 2;
-  fh->compress = aimutil_get16(hdr+i);
-  i += 2;
-  fh->totfiles = aimutil_get16(hdr+i);
-  i += 2;
-  fh->filesleft = aimutil_get16(hdr+i);
-  i += 2;
-  fh->totparts = aimutil_get16(hdr+i);
-  i += 2;
-  fh->partsleft = aimutil_get16(hdr+i);
-  i += 2;
-  fh->totsize = aimutil_get32(hdr+i);
-  i += 4;
-  fh->size = aimutil_get32(hdr+i);
-  i += 4;
-  fh->modtime = aimutil_get32(hdr+i);
-  i += 4;
-  fh->checksum = aimutil_get32(hdr+i);
-  i += 4;
-  fh->rfrcsum = aimutil_get32(hdr+i);
-  i += 4;
-  fh->rfsize = aimutil_get32(hdr+i);
-  i += 4;
-  fh->cretime = aimutil_get32(hdr+i);
-  i += 4;
-  fh->rfcsum = aimutil_get32(hdr+i);
-  i += 4;
-  fh->nrecvd = aimutil_get32(hdr+i);
-  i += 4;
-  fh->recvcsum = aimutil_get32(hdr+i);
-  i += 4;
-  memcpy(fh->idstring, hdr+i, 32);
-  i += 32;
-  fh->flags = aimutil_get8(hdr+i);
-  i += 1;
-  fh->lnameoffset = aimutil_get8(hdr+i);
-  i += 1;
-  fh->lsizeoffset = aimutil_get8(hdr+i);
-  i += 1;
-  memcpy(fh->dummy, hdr+i, 69);
-  i += 69;
-  memcpy(fh->macfileinfo, hdr+i, 16);
-  i += 16;
-  fh->nencode = aimutil_get16(hdr+i);
-  i += 2;
-  fh->nlanguage = aimutil_get16(hdr+i);
-  i += 2;
-  memcpy(fh->name, hdr+i, 64);
-  i += 64;
-  return fh;
+ * @bs: bstream to extract header from
+ *
+ * returns pointer to new struct on success; %NULL on error.
+ *
+ */
+static struct aim_fileheader_t *aim_oft_getfh(aim_bstream_t *bs)
+{
+        struct aim_fileheader_t *fh;
+
+        if (!(fh = calloc(1, sizeof(struct aim_fileheader_t))))
+                return NULL;
+
+        /* The bstream should be positioned after the hdrtype. */
+        aimbs_getrawbuf(bs, fh->bcookie, 8);
+        fh->encrypt = aimbs_get16(bs);
+        fh->compress = aimbs_get16(bs);
+        fh->totfiles = aimbs_get16(bs);
+        fh->filesleft = aimbs_get16(bs);
+        fh->totparts = aimbs_get16(bs);
+        fh->partsleft = aimbs_get16(bs);
+        fh->totsize = aimbs_get32(bs);
+        fh->size = aimbs_get32(bs);
+        fh->modtime = aimbs_get32(bs);
+        fh->checksum = aimbs_get32(bs);
+        fh->rfrcsum = aimbs_get32(bs);
+        fh->rfsize = aimbs_get32(bs);
+        fh->cretime = aimbs_get32(bs);
+        fh->rfcsum = aimbs_get32(bs);
+        fh->nrecvd = aimbs_get32(bs);
+        fh->recvcsum = aimbs_get32(bs);
+        aimbs_getrawbuf(bs, fh->idstring, 32);
+        fh->flags = aimbs_get8(bs);
+        fh->lnameoffset = aimbs_get8(bs);
+        fh->lsizeoffset = aimbs_get8(bs);
+        aimbs_getrawbuf(bs, fh->dummy, 69);
+        aimbs_getrawbuf(bs, fh->macfileinfo, 16);
+        fh->nencode = aimbs_get16(bs);
+        fh->nlanguage = aimbs_get16(bs);
+        aimbs_getrawbuf(bs, fh->name, 64); /* XXX */
+
+        return fh;
 } 
-#endif
 
 /**
@@ -1492 +1764 @@
  * @buffer: buffer of data to checksum
  * @bufsize: size of buffer
- * @checksum: pointer to integer to place result in (pointer!) 
- *
- *
- * Note that checksum is a pointer. Checksum should be filled with
- * 0xFFFF0000 for each new file; you can have this checksum chunks of
- * files in series if you just call it repeatedly in a for(; ; ) loop
- * and don't reset the checksum between each call. And you thought we
- * didn't care about you and your pathetic client's meomry footprint
- * ;^) 
- *
- *
- * Also, it's been said that this is incorrect as currently
- * written. You were warned.
- */
-faim_export fu32_t aim_oft_checksum(aim_session_t *sess, const char *buffer, int bufsize, fu32_t *checksum)
-{
-        return 0xdeadbeef;
-#if 0
-  fu16_t check0, check1;
-  int i;
-
-  check0 = ((*checksum & 0xFF000000) >> 16);
-  check1 = ((*checksum & 0x00ff0000) >> 16);
-  for(i = 0; i < bufsize; i++) {
-    if (i % 2) { /* use check1 -- second byte */
-      if ( (short)buffer[i] > check1 ) { /* wrapping */
-        check1 += 0x100;  /* this is a cheap way to wrap */
-
-        /* if we're wrapping, decrement the other one */
-        /* XXX: check this corner case */
-        if (check0 == 0) 
-          check0 = 0x00ff;
-        else 
-          check0--;
-      } 
-      check1 -= buffer[i];
-    } else { /* use check0 -- first byte  */
-      if ( (short)buffer[i] > check0 ) { /* wrapping */
-        check0 += 0x100;       /* this is a cheap way to wrap */
-  
-        /* if we're wrapping, decrement the other one */
-        /* XXX: check this corner case */
-        if (check1 == 0) 
-          check1 = 0x00ff;
-        else 
-          check1--;
-      } 
-      check0 -= buffer[i];
-    } 
-  }
-
-  if (check0 > 0xff || check1 > 0xff)  { 
-    /* they shouldn't be able to do this. error! */
-    faimdprintf(sess, 2, "check0 or check1 is too high: 0x%04x, 0x%04x\n", check0, check1);
-    return -1;
-  } 
-
-  /* grab just the lowest byte; this should be clean, but just in
-     case */
-  check0 &= 0xff;
-  check1 &= 0xff;
-
-  *checksum = ((check0 * 0x1000000) + (check1 * 0x10000));
-  return *checksum;
-#endif
-} 
-
-#if 0
+ * @prevcheck: previous checksum
+ *
+ * Prevcheck should be 0xFFFF0000 for each new file; you can have this
+ * checksum chunks of files in series if you just call it repeatedly in a
+ * for(; ; ) loop and don't reset the checksum between each call. And you
+ * thought we didn't care about you and your pathetic client's meomry
+ * footprint ;^) 
+ *
+ * Thanks to Graham Booker for providing this improved checksum
+ * routine, which is simpler and should be more accurate than Josh
+ * Myer's original code. -- wtm
+ *
+ * This algorithim works every time I have tried it.  The other fails
+ * sometimes.  So, AOL who thought this up?  It has got to be the weirdest
+ * checksum I have ever seen.
+ */
+faim_export fu32_t aim_oft_checksum(const unsigned char *buffer, int bufferlen, int prevcheck) {
+        fu32_t check = (prevcheck >> 16) & 0xffff, oldcheck;
+        int i;
+        unsigned short val;
+
+        for (i=0; i<bufferlen; i++) {
+                oldcheck = check;
+                if (i&1) {
+                        val = buffer[i];
+                } else {
+                        val = buffer[i] << 8;
+                }
+                check -= val;
+                /* The follownig appears to be necessary.... It happens every once in a while and the checksum doesn't fail. */
+                if (check > oldcheck) {
+                        check--;
+                }
+        }
+        check = ((check & 0x0000ffff) + (check >> 16));
+        check = ((check & 0x0000ffff) + (check >> 16));
+        return check << 16;
+}
+
+faim_export fu32_t aim_update_checksum(aim_session_t *sess, aim_conn_t *conn,
+                const unsigned char *buffer, int len) {
+        struct aim_filetransfer_priv *ft = conn->internal;
+
+        ft->fh.nrecvd += len;
+        ft->fh.recvcsum = aim_oft_checksum(buffer, len, ft->fh.recvcsum);
+
+        return 0;
+}
+
 /**
  * aim_oft_buildheader - fills a buffer with network-order fh data
- * @dest: buffer to fill -- pre-alloced
- * @fh: fh to get data from  
- *
- * returns length written; -1 on error.
- * DOES NOT DO BOUNDS CHECKING!
- *
- */
-static int oft_buildheader(unsigned char *dest, struct aim_fileheader_t *fh) 
+ * @bs: bstream to fill -- automatically initialized
+ * @fh: fh to get data from
+ *
+ * returns -1 on error.
+ *
+ */
+static int aim_oft_buildheader(aim_bstream_t *bs, struct aim_fileheader_t *fh)
 { 
-  int i, curbyte;
-  if (!dest || !fh)
-    return -1;
-  curbyte = 0;
-  for(i = 0; i < 8; i++) 
-    curbyte += aimutil_put8(dest+curbyte, fh->bcookie[i]);
-  curbyte += aimutil_put16(dest+curbyte, fh->encrypt);
-  curbyte += aimutil_put16(dest+curbyte, fh->compress);
-  curbyte += aimutil_put16(dest+curbyte, fh->totfiles);
-  curbyte += aimutil_put16(dest+curbyte, fh->filesleft);
-  curbyte += aimutil_put16(dest+curbyte, fh->totparts);
-  curbyte += aimutil_put16(dest+curbyte, fh->partsleft);
-  curbyte += aimutil_put32(dest+curbyte, fh->totsize);
-  curbyte += aimutil_put32(dest+curbyte, fh->size);
-  curbyte += aimutil_put32(dest+curbyte, fh->modtime);
-  curbyte += aimutil_put32(dest+curbyte, fh->checksum);
-  curbyte += aimutil_put32(dest+curbyte, fh->rfrcsum);
-  curbyte += aimutil_put32(dest+curbyte, fh->rfsize);
-  curbyte += aimutil_put32(dest+curbyte, fh->cretime);
-  curbyte += aimutil_put32(dest+curbyte, fh->rfcsum);
-  curbyte += aimutil_put32(dest+curbyte, fh->nrecvd);
-  curbyte += aimutil_put32(dest+curbyte, fh->recvcsum);
-  memcpy(dest+curbyte, fh->idstring, 32);
-  curbyte += 32;
-  curbyte += aimutil_put8(dest+curbyte, fh->flags);
-  curbyte += aimutil_put8(dest+curbyte, fh->lnameoffset);
-  curbyte += aimutil_put8(dest+curbyte, fh->lsizeoffset);
-  memcpy(dest+curbyte, fh->dummy, 69);
-  curbyte += 69;
-  memcpy(dest+curbyte, fh->macfileinfo, 16);
-  curbyte += 16;
-  curbyte += aimutil_put16(dest+curbyte, fh->nencode);
-  curbyte += aimutil_put16(dest+curbyte, fh->nlanguage);
-  memset(dest+curbyte, 0x00, 64);
-  memcpy(dest+curbyte, fh->name, 64);
-
-  /* XXX: Filenames longer than 64B  */
-  curbyte += 64;
-  return curbyte;
-}
-#endif
+        fu8_t *hdr;
+
+        if (!bs || !fh)
+                return -1;
+
+
+
+
+        if (!(hdr = (unsigned char *)calloc(1, 0x100 - 8))) {
+                return -1;
+        }
+        aim_bstream_init(bs, hdr, 0x100 - 8);
+
+        aimbs_putraw(bs, fh->bcookie, 8);
+        aimbs_put16(bs, fh->encrypt);
+        aimbs_put16(bs, fh->compress);
+        aimbs_put16(bs, fh->totfiles);
+        aimbs_put16(bs, fh->filesleft);
+        aimbs_put16(bs, fh->totparts);
+        aimbs_put16(bs, fh->partsleft);
+        aimbs_put32(bs, fh->totsize);
+        aimbs_put32(bs, fh->size);
+        aimbs_put32(bs, fh->modtime);
+        aimbs_put32(bs, fh->checksum);
+        aimbs_put32(bs, fh->rfrcsum);
+        aimbs_put32(bs, fh->rfsize);
+        aimbs_put32(bs, fh->cretime);
+        aimbs_put32(bs, fh->rfcsum);
+        aimbs_put32(bs, fh->nrecvd);
+        aimbs_put32(bs, fh->recvcsum);
+        aimbs_putraw(bs, fh->idstring, 32);
+        aimbs_put8(bs, fh->flags);
+        aimbs_put8(bs, fh->lnameoffset);
+        aimbs_put8(bs, fh->lsizeoffset);
+        aimbs_putraw(bs, fh->dummy, 69);
+        aimbs_putraw(bs, fh->macfileinfo, 16);
+        aimbs_put16(bs, fh->nencode);
+        aimbs_put16(bs, fh->nlanguage);
+        aimbs_putraw(bs, fh->name, 64);
+
+        /* XXX: Filenames longer than 64B */
+        return 0;
+}
 
 /**
@@ -1625 +1879 @@
         return NULL;
 #if 0
-  struct command_tx_struct *newpacket;
-  struct aim_conn_t *newconn;
-  struct aim_filetransfer_priv *priv;
-  struct aim_msgcookie_t *cookie;
-  int curbyte, i, listenfd;
-  short port = 4443;
-  struct hostent *hptr;
-  struct utsname myname;
-  char cap[16];
-  char d[4];
+        struct command_tx_struct *newpacket;
+        struct aim_conn_t *newconn;
+        struct aim_filetransfer_priv *priv;
+        struct aim_msgcookie_t *cookie;
+        int curbyte, i, listenfd;
+        short port = 4443;
+        struct hostent *hptr;
+        struct utsname myname;
+        char cap[16];
+        char d[4];
+
+        /* Open our socket */
+
+        if ( (listenfd = aim_listenestablish(port)) == -1)
+                return NULL;
+
+        /* get our local IP */
+
+        if (uname(&myname) < 0)
+                return NULL;
+        if ( (hptr = gethostbyname(myname.nodename)) == NULL)
+                return NULL;
+        memcpy(&d, hptr->h_addr_list[0], 4);
+
+        aim_putcap(cap, 16, AIM_CAPS_GETFILE);
+
+        /* create the OSCAR packet */
+
+        if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+8+2+1+strlen(destsn)+4+4+0x42)))
+                return NULL;
+        newpacket->lock = 1;
+
+        /* lock struct */
+        curbyte = 0;
+        curbyte += aim_putsnac(newpacket->data+curbyte, 0x0004, 0x0006, 0x0000, sess->snac_nextid);
+
+        /* XXX: check the cookie before commiting to using it */
+
+        /* Generate a random message cookie
+         * This cookie needs to be alphanumeric and NULL-terminated to be TOC-compatible. */
+        for (i=0; i<7; i++) 
+                curbyte += aimutil_put8(newpacket->data+curbyte, 0x30 + ((u_char) random() % 10));
+
+        curbyte += aimutil_put8(newpacket->data+curbyte, 0x00);
+
+        /* grab all the data for cookie caching. */
  
-  /* Open our socket */
-
-  if ( (listenfd = aim_listenestablish(port)) == -1)
-    return NULL;
-
-  /* get our local IP */
-
-  if (uname(&myname) < 0)
-    return NULL;
-  if ( (hptr = gethostbyname(myname.nodename)) == NULL)
-    return NULL;
-  memcpy(&d, hptr->h_addr_list[0], 4);
-
-  aim_putcap(cap, 16, AIM_CAPS_GETFILE);
-
-  /* create the OSCAR packet */
-
-  if (!(newpacket = aim_tx_new(sess, conn, AIM_FRAMETYPE_OSCAR, 0x0002, 10+8+2+1+strlen(destsn)+4+4+0x42)))
-    return NULL;
-  newpacket->lock = 1;
-
-  /* lock struct */
-  curbyte = 0;
-  curbyte += aim_putsnac(newpacket->data+curbyte, 0x0004, 0x0006, 0x0000, sess->snac_nextid);
-
-  /* XXX: check the cookie before commiting to using it */
-
-  /* Generate a random message cookie
-   * This cookie needs to be alphanumeric and NULL-terminated to be TOC-compatible. */
-  for (i=0; i<7; i++) 
-    curbyte += aimutil_put8(newpacket->data+curbyte, 0x30 + ((u_char) random() % 10));
-
-  curbyte += aimutil_put8(newpacket->data+curbyte, 0x00);
-
-  /* grab all the data for cookie caching. */
+        if (!(cookie = (struct aim_msgcookie_t *)calloc(1, sizeof(struct aim_msgcookie_t))))
+                return NULL;
+        memcpy(cookie->cookie, newpacket->data+curbyte-8, 8);
+        cookie->type = AIM_COOKIETYPE_OFTGET;
+
+        if (!(priv = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv))))
+                return NULL;
+        memcpy(priv->cookie, cookie, 8);
+        memcpy(priv->sn, destsn, sizeof(priv->sn));
+        memcpy(priv->fh.name, "listing.txt", strlen("listing.txt"));
+        priv->state = 1;
+
+        cookie->data = priv;
+
+        aim_cachecookie(sess, cookie);
+
+        /* Channel ID */
+        curbyte += aimutil_put16(newpacket->data+curbyte,0x0002);
+
+        /* Destination SN (prepended with byte length) */
+        curbyte += aimutil_put8(newpacket->data+curbyte,strlen(destsn));
+        curbyte += aimutil_putstr(newpacket->data+curbyte, destsn, strlen(destsn));
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003);
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
+
+        /* enTLV start */
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0042);
+
+        /* Flag data / ICBM Parameters? */
+        curbyte += aimutil_put8(newpacket->data+curbyte, 0x00);
+        curbyte += aimutil_put8(newpacket->data+curbyte, 0x00);
+
+        /* Cookie */
+        curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cookie, 8);
+
+        /* Capability String */
+        curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cap, 0x10);
+
+        /* 000a/0002 : 0001 */
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a);
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
+
+        /* 0003/0004: IP address */
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003);
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0004);
+        for (i = 0; i < 4; i++)
+        curbyte += aimutil_put8(newpacket->data+curbyte, d[i]);
+
+        /* already in network byte order */
  
-  if (!(cookie = (struct aim_msgcookie_t *)calloc(1, sizeof(struct aim_msgcookie_t))))
-    return NULL;
-  memcpy(cookie->cookie, newpacket->data+curbyte-8, 8);
-  cookie->type = AIM_COOKIETYPE_OFTGET;
-
-  if (!(priv = (struct aim_filetransfer_priv *)calloc(1, sizeof(struct aim_filetransfer_priv))))
-    return NULL;
-  memcpy(priv->cookie, cookie, 8);
-  memcpy(priv->sn, destsn, sizeof(priv->sn));
-  memcpy(priv->fh.name, "listing.txt", strlen("listing.txt"));
-  priv->state = 1;
-
-  cookie->data = priv;
-
-  aim_cachecookie(sess, cookie);
-
-  /* Channel ID */
-  curbyte += aimutil_put16(newpacket->data+curbyte,0x0002);
-
-  /* Destination SN (prepended with byte length) */
-  curbyte += aimutil_put8(newpacket->data+curbyte,strlen(destsn));
-  curbyte += aimutil_putstr(newpacket->data+curbyte, destsn, strlen(destsn));
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
-
-  /* enTLV start */
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0042);
-
-  /* Flag data / ICBM Parameters? */
-  curbyte += aimutil_put8(newpacket->data+curbyte, 0x00);
-  curbyte += aimutil_put8(newpacket->data+curbyte, 0x00);
-
-  /* Cookie */
-  curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cookie, 8);
-
-  /* Capability String */
-  curbyte += aimutil_putstr(newpacket->data+curbyte, (char *)cap, 0x10);
-
-  /* 000a/0002 : 0001 */
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x000a);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0001);
-
-  /* 0003/0004: IP address */
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0003);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0004);
-  for(i = 0; i < 4; i++)
-    curbyte += aimutil_put8(newpacket->data+curbyte, d[i]);
-
-  /* already in network byte order  */
- 
-  /* 0005/0002: Port */
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
-  curbyte += aimutil_put16(newpacket->data+curbyte, port);
-
-  /* 000f/0000: ?? */
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
-
-  /* 2711/000c: ?? */
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x2711);
-  curbyte += aimutil_put16(newpacket->data+curbyte, 0x000c);
-  curbyte += aimutil_put32(newpacket->data+curbyte, 0x00120001);
-
-  for(i = 0; i < 0x000c - 4; i++)
-    curbyte += aimutil_put8(newpacket->data+curbyte, 0x00);
-
-  newpacket->commandlen = curbyte;
-  newpacket->lock = 0;
-  aim_tx_enqueue(sess, newpacket);
-
-  /* allocate and set up our connection */
-
-  i = fcntl(listenfd, F_GETFL, 0);
-  fcntl(listenfd, F_SETFL, i | O_NONBLOCK);
-  newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS_OUT, NULL);
-
-  if (!newconn){ 
-    perror("aim_newconn");
-    return NULL;
-  }
-
-  newconn->fd = listenfd;
-  newconn->subtype = AIM_CONN_SUBTYPE_OFT_GETFILE;
-  newconn->priv = priv;
-  faimdprintf(sess, 2,"faim: listening (fd = %d, unconnected)\n", newconn->fd);
-
-  return newconn;
+        /* 0005/0002: Port */
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0005);
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0002);
+        curbyte += aimutil_put16(newpacket->data+curbyte, port);
+
+        /* 000f/0000: ?? */
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x000f);
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x0000);
+
+        /* 2711/000c: ?? */
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x2711);
+        curbyte += aimutil_put16(newpacket->data+curbyte, 0x000c);
+        curbyte += aimutil_put32(newpacket->data+curbyte, 0x00120001);
+
+        for (i = 0; i < 0x000c - 4; i++)
+                curbyte += aimutil_put8(newpacket->data+curbyte, 0x00);
+
+        newpacket->commandlen = curbyte;
+        newpacket->lock = 0;
+        aim_tx_enqueue(sess, newpacket);
+
+        /* allocate and set up our connection */
+
+        i = fcntl(listenfd, F_GETFL, 0);
+        fcntl(listenfd, F_SETFL, i | O_NONBLOCK);
+        newconn = aim_newconn(sess, AIM_CONN_TYPE_RENDEZVOUS_OUT, NULL);
+
+        if (!newconn){ 
+                perror("aim_newconn");
+                return NULL;
+        }
+
+        newconn->fd = listenfd;
+        newconn->subtype = AIM_CONN_SUBTYPE_OFT_GETFILE;
+        newconn->internal = priv;
+        faimdprintf(sess, 2,"faim: listening (fd = %d, unconnected)\n", newconn->fd);
+
+        return newconn;
 #endif
 }
@@ -1775 +2029 @@
  * returns -1 on error, 0 on successful enqueuing
  */
+#if 0
 faim_export int aim_oft_getfile_request(aim_session_t *sess, aim_conn_t *conn, const char *name, int size)
 {
-        return -EINVAL;
-#if 0
-  struct command_tx_struct *newoft;
-  struct aim_filetransfer_priv *ft;
-  if (!sess || !conn || !conn->priv || !name)
-    return -1;
-
-  if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x120c, 0))) {
-    faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
-    return -1;
-  }
-
-  newoft->lock = 1;
-
-  memcpy(newoft->hdr.oft.magic, "OFT2", 4);
-  newoft->hdr.oft.hdr2len = 0x100 - 8;
-
-  ft = (struct aim_filetransfer_priv *)conn->priv;
-  ft->fh.filesleft = 1;
-  ft->fh.totfiles = 1;
-  ft->fh.totparts = 1;
-  ft->fh.partsleft = 1;
-  ft->fh.totsize = size;
-  ft->fh.size = size;
-  ft->fh.checksum = 0;
-  memcpy(ft->fh.name, name, strlen(name));
-  memset(ft->fh.name+strlen(name), 0, 1);
-
-  if (!(newoft->hdr.oft.hdr2 = (unsigned char *)calloc(1,newoft->hdr.oft.hdr2len))) {
-    newoft->lock = 0;
-    aim_frame_destroy(newoft);
-    return -1;
-  }
-
-  if (!(aim_oft_buildheader(newoft->hdr.oft.hdr2, &(ft->fh)))) {
-    newoft->lock = 0;
-    aim_frame_destroy(newoft);
-    return -1;
-  }
-
-  newoft->lock = 0;
-
-  aim_tx_enqueue(sess, newoft);
-  return 0;
+        aim_frame_t *newoft;
+        struct aim_filetransfer_priv *ft;
+        if (!sess || !conn || !conn->priv || !name)
+                return -1;
+
+        if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x120c, 0))) {
+                faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
+                return -1;
+        }
+        memcpy(newoft->hdr.oft.magic, "OFT2", 4);
+        newoft->hdr.oft.hdr2len = 0x100 - 8;
+
+        ft = (struct aim_filetransfer_priv *)conn->priv;
+        ft->fh.filesleft = 1;
+        ft->fh.totfiles = 1;
+        ft->fh.totparts = 1;
+        ft->fh.partsleft = 1;
+        ft->fh.totsize = size;
+        ft->fh.size = size;
+        ft->fh.checksum = 0;
+        memcpy(ft->fh.name, name, strlen(name));
+        memset(ft->fh.name+strlen(name), 0, 1);
+
+        if (!(newoft->hdr.oft.hdr2 = (unsigned char *)calloc(1,newoft->hdr.oft.hdr2len))) {
+                aim_frame_destroy(newoft);
+                return -1;
+        }
+
+        if (!(aim_oft_buildheader(newoft->hdr.oft.hdr2, &(ft->fh)))) {
+                aim_frame_destroy(newoft);
+                return -1;
+        }
+
+        aim_tx_enqueue(sess, newoft);
+        return 0;
+}
 #endif
+
+/* Identify a file that we are about to send by transmitting the
+ * appropriate header.
+ */
+faim_export int aim_oft_sendfile_request(aim_session_t *sess, aim_conn_t *conn, const char *filename, int filesdone, int numfiles, int size, int totsize)
+{
+        aim_frame_t *newoft;
+        aim_msgcookie_t *cook;
+        struct aim_filetransfer_priv *ft = (struct aim_filetransfer_priv *)conn->internal;
+        struct aim_fileheader_t *fh;
+
+        if (!sess || !conn || !filename)
+                return -1;
+
+        if (!(fh = (struct aim_fileheader_t*)calloc(1, sizeof(struct aim_fileheader_t))))
+                return -1;
+
+#ifdef DUMB_OFT_CHECKSUM
+        /* Yes, we are supposed to checksum the whole file before sending, and
+         * yes, it's dumb.  This is the only way to get some clients (such as
+         * Mac AIM v4.5.163) to successfully complete the transfer.  With
+         * the WinAIM clients, we seem to be able to get away with just
+         * setting the checksum to zero.
+         * -- wtm
+         */
+        {
+                int fd = open(filename, O_RDONLY);
+                if (fd >= 0) {
+                        int bytes;
+                        char buf[1024];
+                        fh->checksum = 0xffff0000;
+                        while ((bytes = aim_recv(fd, buf, 1024)) > 0) {
+                                fh->checksum = aim_oft_checksum(buf, bytes, fh->checksum);
+                        }
+                }
+                close(fd);
+        }
+#else
+        fh->checksum = 0x00000000;
+#endif
+        fh->encrypt = 0x0000;
+        fh->compress = 0x0000;
+        fh->totfiles = numfiles;
+        fh->filesleft = numfiles - filesdone;
+        fh->totparts = 0x0001; /* set to 0x0002 sending Mac resource forks */
+        fh->partsleft = 0x0001;
+        fh->totsize = totsize;
+        fh->size = size;
+        fh->modtime = (int)time(NULL); /* we'll go with current time for now */
+        /* fh->checksum set above */
+        fh->rfcsum = 0x00000000;
+        fh->rfsize = 0x00000000;
+        fh->cretime = 0x00000000;
+        fh->rfcsum = 0x00000000;
+        fh->nrecvd = 0x00000000; /* always zero initially */
+        fh->recvcsum= 0x00000000; /* ditto */
+
+        strncpy(fh->idstring, "OFT_Windows ICBMFT V1.1 32", sizeof(fh->idstring));
+        fh->flags = 0x02;
+        fh->lnameoffset = 0x1a;
+        fh->lsizeoffset = 0x10;
+        memset(fh->dummy, 0, sizeof(fh->dummy));
+        memset(fh->macfileinfo, 0, sizeof(fh->macfileinfo));
+
+        /* apparently 0 is ASCII, 2 is UCS-2 */
+        /* it is likely that 3 is ISO 8859-1 */
+        fh->nencode = 0x0000;
+        fh->nlanguage = 0x0000;
+
+        /* Convert the directory separator to ^A for portability. */
+        strncpy(fh->name, filename, sizeof(fh->name));
+        oft_dirconvert(fh->name);
+
+        /* XXX we should normally send a null cookie here, and make
+         * the receiver fill it in for authentication -- wtm
+         */
+        memcpy(fh->bcookie, ft->cookie, 8);
+
+        if (!(cook = aim_checkcookie(sess, ft->cookie, AIM_COOKIETYPE_OFTSEND))) {
+                return -1;
+        }
+
+        /* Update both headers to be safe. */
+        memcpy(&(ft->fh), fh, sizeof(struct aim_fileheader_t));
+        memcpy(&(((struct aim_filetransfer_priv *)cook->data)->fh), fh, sizeof(struct aim_fileheader_t));
+
+        if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, AIM_OFT_PROTO_OFFER, 0))) {
+                faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
+                free(fh);
+                return -1;
+        }
+
+        if (aim_oft_buildheader(&newoft->data, fh) == -1) {
+                aim_frame_destroy(newoft);
+                free(fh);
+                return -1;
+        }
+
+        memcpy(newoft->hdr.rend.magic, "OFT2", 4);
+        newoft->hdr.rend.hdrlen = aim_bstream_curpos(&newoft->data);
+
+        aim_tx_enqueue(sess, newoft);
+        free(fh);
+        return 0;
 }
  
@@ -1837 +2188 @@
         return -EINVAL;
 #if 0
-  struct command_tx_struct *newoft;
-  struct aim_filetransfer_priv *ft;
-
-  if (!sess || !conn || !conn->priv)
-    return -1;
-
-  if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x0202, 0))) {
-    faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
-    return -1;
-  } 
-
-  newoft->lock = 1;
-
-  memcpy(newoft->hdr.oft.magic, "OFT2", 4);
-  newoft->hdr.oft.hdr2len = 0x100-8;
-
- if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { 
-   newoft->lock = 0;
-   aim_frame_destroy(newoft);
-   return -1;
- }
-
- ft = (struct aim_filetransfer_priv *)conn->priv;
-
- if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) {
-   newoft->lock = 0;
-   aim_frame_destroy(newoft);
-   return -1;
- }
-
- newoft->lock = 0;
- aim_tx_enqueue(sess, newoft);
- return 0;
+        struct command_tx_struct *newoft;
+        struct aim_filetransfer_priv *ft;
+
+        if (!sess || !conn || !conn->priv)
+                return -1;
+
+        if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x0202, 0))) {
+                faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
+        return -1;
+        } 
+
+        newoft->lock = 1;
+
+        memcpy(newoft->hdr.oft.magic, "OFT2", 4);
+        newoft->hdr.oft.hdr2len = 0x100-8;
+
+        if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) { 
+                newoft->lock = 0;
+                aim_frame_destroy(newoft);
+                return -1;
+        }
+
+        ft = (struct aim_filetransfer_priv *)conn->priv;
+
+        if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) {
+                newoft->lock = 0;
+                aim_frame_destroy(newoft);
+                return -1;
+        }
+
+        newoft->lock = 0;
+        aim_tx_enqueue(sess, newoft);
+        return 0;
 #endif
 }
  
 /**
- * aim_oft_getfile_end - end a getfile.
+ * aim_oft_end - end a getfile/sendfile.
  * @sess: your session
  * @conn: the getfile connection 
@@ -1881 +2232 @@
  * receiving/requesting end.
  */
-faim_export int aim_oft_getfile_end(aim_session_t *sess, aim_conn_t *conn)
-{
-        return -EINVAL;
-#if 0
-  struct command_tx_struct *newoft;
-  struct aim_filetransfer_priv *ft;
-  
-  if (!sess || !conn || !conn->priv)
-    return -1;
-
-  if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, 0x0204, 0))) {
-    faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
-    return -1;
-  }
-  
-  newoft->lock = 1;
-  
-  memcpy(newoft->hdr.oft.magic, "OFT2", 4);
-  newoft->hdr.oft.hdr2len = 0x100 - 8;
-  
-  if (!(newoft->hdr.oft.hdr2 = (char *)calloc(1,newoft->hdr.oft.hdr2len))) {
-    newoft->lock = 0;
-    aim_frame_destroy(newoft);
-    return -1;
-  }
-  
-  ft = (struct aim_filetransfer_priv *)conn->priv;
-  ft->state = 4; /* no longer wanting data */
-  ft->fh.nrecvd = ft->fh.size;
-  ft->fh.recvcsum = ft->fh.checksum;
-  ft->fh.flags = 0x21;
-  
-  if (!(aim_oft_buildheader((unsigned char *)newoft->hdr.oft.hdr2, &(ft->fh)))) {
-    newoft->lock = 0;
-    aim_frame_destroy(newoft);
-    return -1;
-  }
-  
-  newoft->lock = 0;
-  aim_tx_enqueue(sess, newoft);
-  
-  return 0;
-#endif /* 0 */
-}
-
+faim_export int aim_oft_end(aim_session_t *sess, aim_conn_t *conn)
+{
+        aim_frame_t *newoft;
+        struct aim_filetransfer_priv *ft;
+
+        if (!sess || !conn || !conn->internal)
+                return -1;
+
+        if (!(newoft = aim_tx_new(sess, conn, AIM_FRAMETYPE_OFT, AIM_OFT_PROTO_ACK, 0))) {
+                faimdprintf(sess, 2, "faim: aim_accepttransfer: tx_new OFT failed\n");
+                return -1;
+        }
+
+        ft = (struct aim_filetransfer_priv *)conn->internal;
+        ft->state = 4; /* no longer wanting data */
+        ft->fh.flags = 0x21;
+
+        if (aim_oft_buildheader(&(newoft->data), &(ft->fh)) == -1) {
+                aim_frame_destroy(newoft);
+                return -1;
+        }
+        memcpy(newoft->hdr.rend.magic, "OFT2", 4);
+        newoft->hdr.rend.hdrlen = aim_bstream_curpos(&newoft->data);
+
+        aim_tx_enqueue(sess, newoft);
+
+        return 0;
+}
+
+/*
+ * Convert the directory separator to ^A, which seems to be AOL's attempt at portability.
+ */
+static void oft_dirconvert(char *name) {
+        char *c = name;
+        while ((c = strchr(c, G_DIR_SEPARATOR)))
+                *c = 0x01;
+}