X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=lib%2Fsilcsftp%2Fsftp_client.c;h=a4b671e46fa36b43b55fa782f9b21d2d06b979b1;hb=a818c5b5411bbc4436d1c5f011236985c96bb787;hp=6835e626f3e7758d025538a5d2872bea0b33eb5b;hpb=e5d8d3db6caa344b3d419b884556c21b15e7d123;p=silc.git

diff --git a/lib/silcsftp/sftp_client.c b/lib/silcsftp/sftp_client.c
index 6835e626..a4b671e4 100644
--- a/lib/silcsftp/sftp_client.c
+++ b/lib/silcsftp/sftp_client.c
@@ -16,6 +16,7 @@
   GNU General Public License for more details.
 
 */
+/* $Id$ */
 
 #include "silcincludes.h"
 #include "silcsftp.h"
@@ -23,8 +24,8 @@
 
 /* Request context. Every request will allocate this context and set
    the correct callback function according the `type' field. */
-typedef struct {
-  uint32 id;
+typedef struct SilcSFTPRequestStruct {
+  SilcUInt32 id;
   SilcSFTPPacket type;
   SilcSFTPStatusCallback status;
   SilcSFTPHandleCallback handle;
@@ -33,6 +34,7 @@ typedef struct {
   SilcSFTPAttrCallback attr;
   SilcSFTPExtendedCallback extended;
   void *context;
+  struct SilcSFTPRequestStruct *next;
 } *SilcSFTPRequest;
 
 /* SFTP client context */
@@ -42,21 +44,22 @@ typedef struct {
   void *send_context;
   SilcSFTPVersionCallback version;
   void *version_context;
-  uint32 id;
-  SilcDList requests;
+  SilcUInt32 id;
+  SilcList requests;
+  SilcBuffer packet;
 } *SilcSFTPClient;
 
 /* File handle */
 struct SilcSFTPHandleStruct {
   unsigned char *data;
-  uint32 data_len;
+  SilcUInt32 data_len;
 };
 
 /* Creates SilcSFTPHandle and returns pointer to it. The caller must free
    the context. */
 
 static SilcSFTPHandle silc_sftp_handle_create(unsigned char *data,
-					      uint32 data_len)
+					      SilcUInt32 data_len)
 {
   SilcSFTPHandle handle;
 
@@ -80,7 +83,7 @@ static void silc_sftp_handle_delete(SilcSFTPHandle handle)
 
 static void silc_sftp_handle_get(SilcSFTPHandle handle, 
 				 const unsigned char **data,
-				 uint32 *data_len)
+				 SilcUInt32 *data_len)
 {
   *data = (const unsigned char *)handle->data;
   *data_len = handle->data_len;
@@ -90,36 +93,39 @@ static void silc_sftp_handle_get(SilcSFTPHandle handle,
 
 static void silc_sftp_send_packet(SilcSFTPClient sftp,
 				  SilcSFTPPacket type, 
-				  uint32 len, ...)
+				  SilcUInt32 len, ...)
 {
-  SilcBuffer packet;
+  SilcBuffer tmp;
   va_list vp;
 
   va_start(vp, len);
-  packet = silc_sftp_packet_encode_vp(type, len, vp);
+  tmp = silc_sftp_packet_encode_vp(type, sftp->packet, len, vp);
   va_end(vp);
-
-  if (!packet)
+  if (!tmp)
     return;
+  sftp->packet = tmp;
 
-  SILC_LOG_HEXDUMP(("SFTP packet to server"), packet->data, packet->len);
+  SILC_LOG_HEXDUMP(("SFTP packet to server"), sftp->packet->data, 
+		   sftp->packet->len);
 
   /* Send the packet */
-  (*sftp->send_packet)(sftp->sock, packet, sftp->send_context);
+  (*sftp->send_packet)(sftp->sock, sftp->packet, sftp->send_context);
 
-  silc_buffer_free(packet);
+  /* Clear packet */
+  sftp->packet->data = sftp->packet->tail = sftp->packet->head;
+  sftp->packet->len = 0;
 }
 
 /* Finds request by request ID. */
 
-static SilcSFTPRequest silc_sftp_find_request(SilcSFTPClient sftp, uint32 id)
+static SilcSFTPRequest silc_sftp_find_request(SilcSFTPClient sftp, SilcUInt32 id)
 {
   SilcSFTPRequest req;
 
   SILC_LOG_DEBUG(("Finding request ID: %d", id));
 
-  silc_dlist_start(sftp->requests);
-  while ((req = silc_dlist_get(sftp->requests)) != SILC_LIST_END) {
+  silc_list_start(sftp->requests);
+  while ((req = silc_list_get(sftp->requests)) != SILC_LIST_END) {
     if (req->id == id)
       return req;
   }
@@ -150,7 +156,7 @@ static void silc_sftp_call_request(SilcSFTPClient sftp,
     {
       /* Data returned */
       unsigned char *data;
-      uint32 data_len;
+      SilcUInt32 data_len;
 
       if (status != SILC_SFTP_STATUS_OK) {
 	if (req->data)
@@ -159,7 +165,7 @@ static void silc_sftp_call_request(SilcSFTPClient sftp,
       }
 
       data = (unsigned char *)va_arg(vp, unsigned char *);
-      data_len = (uint32)va_arg(vp, uint32);
+      data_len = (SilcUInt32)va_arg(vp, SilcUInt32);
 
       if (req->data)
 	(*req->data)((SilcSFTP)sftp, status, (const unsigned char *)data, 
@@ -173,7 +179,7 @@ static void silc_sftp_call_request(SilcSFTPClient sftp,
       /* Handle returned */
       SilcSFTPHandle handle;
       unsigned char *hdata;
-      uint32 hdata_len;
+      SilcUInt32 hdata_len;
 
       if (status != SILC_SFTP_STATUS_OK) {
 	if (req->handle)
@@ -182,7 +188,7 @@ static void silc_sftp_call_request(SilcSFTPClient sftp,
       }
 
       hdata = (unsigned char *)va_arg(vp, unsigned char *);
-      hdata_len = (uint32)va_arg(vp, uint32);
+      hdata_len = (SilcUInt32)va_arg(vp, SilcUInt32);
       handle = silc_sftp_handle_create(hdata, hdata_len);
 
       if (req->handle)
@@ -257,7 +263,7 @@ static void silc_sftp_call_request(SilcSFTPClient sftp,
     {
       /* Extended reply returned */
       unsigned char *data;
-      uint32 data_len;
+      SilcUInt32 data_len;
 
       if (status != SILC_SFTP_STATUS_OK) {
 	if (req->extended)
@@ -266,7 +272,7 @@ static void silc_sftp_call_request(SilcSFTPClient sftp,
       }
 
       data = (unsigned char *)va_arg(vp, unsigned char *);
-      data_len = (uint32)va_arg(vp, uint32);
+      data_len = (SilcUInt32)va_arg(vp, SilcUInt32);
 
       if (req->extended)
 	(*req->extended)((SilcSFTP)sftp, status, (const unsigned char *)data, 
@@ -279,7 +285,7 @@ static void silc_sftp_call_request(SilcSFTPClient sftp,
   }
 
   /* Remove this request */
-  silc_dlist_del(sftp->requests, req);
+  silc_list_del(sftp->requests, req);
   silc_free(req);
 
   va_end(vp);
@@ -309,7 +315,7 @@ SilcSFTP silc_sftp_client_start(SilcSocketConnection sock,
   sftp->send_context = send_context;
   sftp->version = callback;
   sftp->version_context = context;
-  sftp->requests = silc_dlist_init();
+  silc_list_init(sftp->requests, struct SilcSFTPRequestStruct, next);
 
   /* Send the SFTP session initialization to the server */
   silc_sftp_send_packet(sftp, SILC_SFTP_INIT, 4, 
@@ -327,7 +333,8 @@ void silc_sftp_client_shutdown(SilcSFTP context)
 {
   SilcSFTPClient sftp = (SilcSFTPClient)context;
 
-  silc_dlist_uninit(sftp->requests);
+  if (sftp->packet)
+    silc_buffer_free(sftp->packet);
   silc_free(sftp);
 }
 
@@ -343,10 +350,10 @@ void silc_sftp_client_receive_process(SilcSFTP context,
   SilcSFTPRequest req;
   SilcSFTPPacket type;
   const unsigned char *payload = NULL;
-  uint32 payload_len;
+  SilcUInt32 payload_len;
   int ret;
   SilcBufferStruct buf;
-  uint32 id;
+  SilcUInt32 id;
 
   SILC_LOG_DEBUG(("Start"));
 
@@ -382,7 +389,7 @@ void silc_sftp_client_receive_process(SilcSFTP context,
 
   case SILC_SFTP_STATUS:
     {
-      uint32 status;
+      SilcUInt32 status;
       char *message = NULL, *language_tag = NULL;
 
       SILC_LOG_DEBUG(("Status packet"));
@@ -425,7 +432,7 @@ void silc_sftp_client_receive_process(SilcSFTP context,
   case SILC_SFTP_HANDLE:
     {
       unsigned char *handle = NULL;
-      uint32 handle_len;
+      SilcUInt32 handle_len;
 
       SILC_LOG_DEBUG(("Handle packet"));
 
@@ -451,7 +458,7 @@ void silc_sftp_client_receive_process(SilcSFTP context,
   case SILC_SFTP_DATA:
     {
       unsigned char *data = NULL;
-      uint32 data_len = 0;
+      SilcUInt32 data_len = 0;
 
       SILC_LOG_DEBUG(("Data packet"));
 
@@ -475,7 +482,7 @@ void silc_sftp_client_receive_process(SilcSFTP context,
 
   case SILC_SFTP_NAME:
     {
-      uint32 count;
+      SilcUInt32 count;
       SilcSFTPName name = NULL;
 
       SILC_LOG_DEBUG(("Name packet"));
@@ -573,7 +580,7 @@ void silc_sftp_open(SilcSFTP sftp,
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
   SilcBuffer attrs_buf;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Open request"));
 
@@ -582,7 +589,7 @@ void silc_sftp_open(SilcSFTP sftp,
   req->type = SILC_SFTP_OPEN;
   req->handle = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   attrs_buf = silc_sftp_attr_encode(attrs);
   len = 4 + 4 + strlen(filename) + 4 + attrs_buf->len;
@@ -606,9 +613,9 @@ void silc_sftp_close(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
   const unsigned char *hdata;
-  uint32 hdata_len;
+  SilcUInt32 hdata_len;
 
   SILC_LOG_DEBUG(("Close request"));
 
@@ -617,7 +624,7 @@ void silc_sftp_close(SilcSFTP sftp,
   req->type = SILC_SFTP_CLOSE;
   req->status = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   silc_sftp_handle_get(handle, &hdata, &hdata_len);
   len = 4 + 4 + hdata_len;
@@ -631,16 +638,16 @@ void silc_sftp_close(SilcSFTP sftp,
 
 void silc_sftp_read(SilcSFTP sftp,
 		    SilcSFTPHandle handle,
-		    uint64 offset, 
-		    uint32 len,
+		    SilcUInt64 offset, 
+		    SilcUInt32 len,
 		    SilcSFTPDataCallback callback,
 		    void *context)
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len2 = 0;
+  SilcUInt32 len2 = 0;
   const unsigned char *hdata;
-  uint32 hdata_len;
+  SilcUInt32 hdata_len;
 
   SILC_LOG_DEBUG(("Read request"));
 
@@ -649,7 +656,7 @@ void silc_sftp_read(SilcSFTP sftp,
   req->type = SILC_SFTP_READ;
   req->data = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   silc_sftp_handle_get(handle, &hdata, &hdata_len);
   len2 = 4 + 4 + hdata_len + 8 + 4;
@@ -665,17 +672,17 @@ void silc_sftp_read(SilcSFTP sftp,
 
 void silc_sftp_write(SilcSFTP sftp,
 		     SilcSFTPHandle handle,
-		     uint64 offset,
+		     SilcUInt64 offset,
 		     const unsigned char *data,
-		     uint32 data_len,
+		     SilcUInt32 data_len,
 		     SilcSFTPStatusCallback callback,
 		     void *context)
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
   const unsigned char *hdata;
-  uint32 hdata_len;
+  SilcUInt32 hdata_len;
 
   SILC_LOG_DEBUG(("Write request"));
 
@@ -684,7 +691,7 @@ void silc_sftp_write(SilcSFTP sftp,
   req->type = SILC_SFTP_WRITE;
   req->status = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   silc_sftp_handle_get(handle, &hdata, &hdata_len);
   len = 4 + 4 + hdata_len + 8 + 4 + data_len;
@@ -706,7 +713,7 @@ void silc_sftp_remove(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Remove request"));
 
@@ -715,7 +722,7 @@ void silc_sftp_remove(SilcSFTP sftp,
   req->type = SILC_SFTP_REMOVE;
   req->status = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(filename);
 
@@ -734,7 +741,7 @@ void silc_sftp_rename(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Rename request"));
 
@@ -743,7 +750,7 @@ void silc_sftp_rename(SilcSFTP sftp,
   req->type = SILC_SFTP_RENAME;
   req->status = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(oldname) + 4 + strlen(newname);
 
@@ -764,7 +771,7 @@ void silc_sftp_mkdir(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
   SilcBuffer attrs_buf;
 
   SILC_LOG_DEBUG(("Mkdir request"));
@@ -774,7 +781,7 @@ void silc_sftp_mkdir(SilcSFTP sftp,
   req->type = SILC_SFTP_MKDIR;
   req->status = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   attrs_buf = silc_sftp_attr_encode(attrs);
   len = 4 + 4 + strlen(path) + attrs_buf->len;
@@ -797,7 +804,7 @@ void silc_sftp_rmdir(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Rmdir request"));
 
@@ -806,7 +813,7 @@ void silc_sftp_rmdir(SilcSFTP sftp,
   req->type = SILC_SFTP_RMDIR;
   req->status = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(path);
 
@@ -824,7 +831,7 @@ void silc_sftp_opendir(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Opendir request"));
 
@@ -833,7 +840,7 @@ void silc_sftp_opendir(SilcSFTP sftp,
   req->type = SILC_SFTP_OPENDIR;
   req->handle = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(path);
 
@@ -851,9 +858,9 @@ void silc_sftp_readdir(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
   const unsigned char *hdata;
-  uint32 hdata_len;
+  SilcUInt32 hdata_len;
 
   SILC_LOG_DEBUG(("Readdir request"));
 
@@ -862,7 +869,7 @@ void silc_sftp_readdir(SilcSFTP sftp,
   req->type = SILC_SFTP_READDIR;
   req->name = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   silc_sftp_handle_get(handle, &hdata, &hdata_len);
   len = 4 + 4 + hdata_len;
@@ -881,7 +888,7 @@ void silc_sftp_stat(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Stat request"));
 
@@ -890,7 +897,7 @@ void silc_sftp_stat(SilcSFTP sftp,
   req->type = SILC_SFTP_STAT;
   req->attr = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(path);
 
@@ -908,7 +915,7 @@ void silc_sftp_lstat(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Lstat request"));
 
@@ -917,7 +924,7 @@ void silc_sftp_lstat(SilcSFTP sftp,
   req->type = SILC_SFTP_LSTAT;
   req->attr = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(path);
 
@@ -935,9 +942,9 @@ void silc_sftp_fstat(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
   const unsigned char *hdata;
-  uint32 hdata_len;
+  SilcUInt32 hdata_len;
 
   SILC_LOG_DEBUG(("Fstat request"));
 
@@ -946,7 +953,7 @@ void silc_sftp_fstat(SilcSFTP sftp,
   req->type = SILC_SFTP_FSTAT;
   req->attr = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   silc_sftp_handle_get(handle, &hdata, &hdata_len);
   len = 4 + 4 + hdata_len;
@@ -966,7 +973,7 @@ void silc_sftp_setstat(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
   SilcBuffer attrs_buf;
 
   SILC_LOG_DEBUG(("Setstat request"));
@@ -976,7 +983,7 @@ void silc_sftp_setstat(SilcSFTP sftp,
   req->type = SILC_SFTP_SETSTAT;
   req->status = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   attrs_buf = silc_sftp_attr_encode(attrs);
   len = 4 + 4 + strlen(path) + attrs_buf->len;
@@ -1000,10 +1007,10 @@ void silc_sftp_fsetstat(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
   SilcBuffer attrs_buf;
   const unsigned char *hdata;
-  uint32 hdata_len;
+  SilcUInt32 hdata_len;
 
   SILC_LOG_DEBUG(("Fsetstat request"));
 
@@ -1012,7 +1019,7 @@ void silc_sftp_fsetstat(SilcSFTP sftp,
   req->type = SILC_SFTP_FSETSTAT;
   req->status = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   silc_sftp_handle_get(handle, &hdata, &hdata_len);
   attrs_buf = silc_sftp_attr_encode(attrs);
@@ -1036,7 +1043,7 @@ void silc_sftp_readlink(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Readlink request"));
 
@@ -1045,7 +1052,7 @@ void silc_sftp_readlink(SilcSFTP sftp,
   req->type = SILC_SFTP_READLINK;
   req->name = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(path);
 
@@ -1064,7 +1071,7 @@ void silc_sftp_symlink(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Symlink request"));
 
@@ -1073,7 +1080,7 @@ void silc_sftp_symlink(SilcSFTP sftp,
   req->type = SILC_SFTP_SYMLINK;
   req->status = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(linkpath) + 4 + strlen(targetpath);
 
@@ -1093,7 +1100,7 @@ void silc_sftp_realpath(SilcSFTP sftp,
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Realpath request"));
 
@@ -1102,7 +1109,7 @@ void silc_sftp_realpath(SilcSFTP sftp,
   req->type = SILC_SFTP_REALPATH;
   req->name = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(path);
 
@@ -1116,13 +1123,13 @@ void silc_sftp_realpath(SilcSFTP sftp,
 void silc_sftp_extended(SilcSFTP sftp,
 			const char *request,
 			const unsigned char *data,
-			uint32 data_len,
+			SilcUInt32 data_len,
 			SilcSFTPExtendedCallback callback,
 			void *context)
 {
   SilcSFTPClient client = (SilcSFTPClient)sftp;
   SilcSFTPRequest req;
-  uint32 len = 0;
+  SilcUInt32 len = 0;
 
   SILC_LOG_DEBUG(("Extended request"));
 
@@ -1131,7 +1138,7 @@ void silc_sftp_extended(SilcSFTP sftp,
   req->type = SILC_SFTP_WRITE;
   req->extended = callback;
   req->context = context;
-  silc_dlist_add(client->requests, req);
+  silc_list_add(client->requests, req);
 
   len = 4 + 4 + strlen(request) + data_len;