/*
- sftp_client.c
+ sftp_client.c
Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 2001 Pekka Riikonen
+ Copyright (C) 2001 - 2005 Pekka Riikonen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
/* $Id$ */
-#include "silcincludes.h"
+#include "silc.h"
#include "silcsftp.h"
#include "sftp_util.h"
/* SFTP client context */
typedef struct {
- SilcSocketConnection sock;
- SilcSFTPSendPacketCallback send_packet;
- void *send_context;
+ SilcStream stream;
SilcSFTPVersionCallback version;
void *version_context;
SilcUInt32 id;
SilcUInt32 data_len;
};
+static void silc_sftp_client_receive_process(SilcSFTP context,
+ SilcBuffer buffer)
+
/* Creates SilcSFTPHandle and returns pointer to it. The caller must free
the context. */
SilcSFTPHandle handle;
handle = silc_calloc(1, sizeof(*handle));
+ if (!handle)
+ return NULL;
handle->data = silc_calloc(data_len, sizeof(*handle->data));
+ if (!handle->data)
+ return NULL;
memcpy(handle->data, data, data_len);
handle->data_len = data_len;
/* Returns the handle data of the `handle' to the `data' pointer. */
-static void silc_sftp_handle_get(SilcSFTPHandle handle,
+static void silc_sftp_handle_get(SilcSFTPHandle handle,
const unsigned char **data,
SilcUInt32 *data_len)
{
/* General routine to send SFTP packet to the SFTP server. */
static void silc_sftp_send_packet(SilcSFTPClient sftp,
- SilcSFTPPacket type,
+ SilcSFTPPacket type,
SilcUInt32 len, ...)
{
SilcBuffer tmp;
return;
sftp->packet = tmp;
- SILC_LOG_HEXDUMP(("SFTP packet to server"), sftp->packet->data,
- sftp->packet->len);
+ SILC_LOG_HEXDUMP(("SFTP packet to server"), sftp->packet->data,
+ silc_buffer_len(sftp->packet));
/* Send the packet */
- (*sftp->send_packet)(sftp->sock, sftp->packet, sftp->send_context);
+ silc_stream_write(sftp->stream, sftp->packet->data,
+ silc_buffer_len(sftp->packet));
/* Clear packet */
- sftp->packet->data = sftp->packet->tail = sftp->packet->head;
- sftp->packet->len = 0;
+ silc_buffer_reset(sftp->packet);
}
/* Finds request by request ID. */
-static SilcSFTPRequest silc_sftp_find_request(SilcSFTPClient sftp, SilcUInt32 id)
+static SilcSFTPRequest silc_sftp_find_request(SilcSFTPClient sftp,
+ SilcUInt32 id)
{
SilcSFTPRequest req;
operation. The variable argument list includes the status and req->type
specific data. */
-static void silc_sftp_call_request(SilcSFTPClient sftp,
- SilcSFTPRequest req,
+static void silc_sftp_call_request(SilcSFTPClient sftp,
+ SilcSFTPRequest req,
SilcSFTPPacket type,
SilcSFTPStatus status, ...)
{
data_len = (SilcUInt32)va_arg(vp, SilcUInt32);
if (req->data)
- (*req->data)((SilcSFTP)sftp, status, (const unsigned char *)data,
+ (*req->data)((SilcSFTP)sftp, status, (const unsigned char *)data,
data_len, req->context);
- }
+ }
break;
case SILC_SFTP_OPEN:
hdata = (unsigned char *)va_arg(vp, unsigned char *);
hdata_len = (SilcUInt32)va_arg(vp, SilcUInt32);
handle = silc_sftp_handle_create(hdata, hdata_len);
+ if (!handle) {
+ if (req->handle)
+ (*req->handle)((SilcSFTP)sftp, status, NULL, req->context);
+ break;
+ }
if (req->handle)
(*req->handle)((SilcSFTP)sftp, status, handle, req->context);
language_tag = (char *)va_arg(vp, char *);
if (req->status)
- (*req->status)((SilcSFTP)sftp, status, (const char *)message,
+ (*req->status)((SilcSFTP)sftp, status, (const char *)message,
(const char *)language_tag, req->context);
}
break;
attr = (SilcSFTPAttributes)va_arg(vp, SilcSFTPAttributes);
if (req->attr)
- (*req->attr)((SilcSFTP)sftp, status, (const SilcSFTPAttributes)attr,
+ (*req->attr)((SilcSFTP)sftp, status, (const SilcSFTPAttributes)attr,
req->context);
}
break;
data_len = (SilcUInt32)va_arg(vp, SilcUInt32);
if (req->extended)
- (*req->extended)((SilcSFTP)sftp, status, (const unsigned char *)data,
+ (*req->extended)((SilcSFTP)sftp, status, (const unsigned char *)data,
data_len, req->context);
}
break;
va_end(vp);
}
-/* Starts SFTP client by associating the socket connection `sock' to the
- created SFTP client context. The version callback indicated by the
- `callback' will be called after the SFTP session has been started
- and server has returned the version of the protocol. The SFTP client
- context is returned in the callback too. This returns the allocated
- SFTP client context or NULL on error. */
+/* Handles stream IO */
+
+static void silc_sftp_client_io(SilcStream stream, SilcStreamStatus status,
+ void *context)
+{
+ SilcSFTPClient sftp = context;
+
+ switch (status) {
+
+ case SILC_STREAM_CAN_WRITE:
+ if (!silc_buffer_headlen(&sftp->packet))
+ return;
+
+ SILC_LOG_DEBUG(("Writing pending data to stream"));
+
+ /* Write pending data to stream */
+ silc_buffer_push(sftp->packet, silc_buffer_headlen(sftp->packet));
+ while (silc_buffer_len(sftp->packet) > 0) {
+ ret = silc_stream_write(stream, sftp->packet->data,
+ silc_buffer_len(sftp->packet));
+ if (ret == 0) {
+ /* EOS */
+ /* XXX */
+ silc_buffer_reset(sftp->packet);
+ return;
+ }
+
+ if (i == -2) {
+ /* Error */
+ /* XXX */
+ silc_buffer_reset(sftp->packet);
+ return FALSE;
+ }
+
+ if (ret == -1) {
+ /* Cannot write now, write later. */
+ silc_buffer_pull(sftp->packet, silc_buffer_len(sftp->packet));
+ return;
+ }
+
+ /* Wrote data */
+ silc_buffer_pull(sftp->packet, ret);
+ }
+ break;
+
+ case SILC_STREAM_CAN_READ:
+ SILC_LOG_DEBUG(("Reading data from stream"));
+
+ /* Make sure we have fair amount of free space in inbuf */
+ if (silc_buffer_taillen(&ps->inbuf) < SILC_PACKET_DEFAULT_SIZE)
+ if (!silc_buffer_realloc(&ps->inbuf, silc_buffer_truelen(&ps->inbuf) +
+ SILC_PACKET_DEFAULT_SIZE * 2))
+ return;
+
+ /* Read data from stream */
+ ret = silc_stream_read(ps->stream, &ps->inbuf.tail,
+ silc_buffer_taillen(&ps->inbuf));
+
+ if (ret == 0) {
+ /* EOS */
+ SILC_PACKET_CALLBACK_EOS(ps);
+ silc_buffer_reset(&ps->inbuf);
+ return;
+ }
+
+ if (ret == -2) {
+ /* Error */
+ SILC_PACKET_CALLBACK_ERROR(ps, SILC_PACKET_ERR_READ);
+ silc_buffer_reset(&ps->inbuf);
+ return;
+ }
+
+ if (ret == -1) {
+ /* Cannot read now, do it later. */
+ silc_buffer_pull(&ps->inbuf, silc_buffer_len(&ps->inbuf));
+ return;
+ }
+
+ /* Read some data */
+ silc_buffer_pull_tail(&ps->inbuf, ret);
+
+ /* Now process the data */
+ silc_sftp_client_receive_process(sftp);
+ break;
+
+ default:
+ break;
+ }
+}
+
+/* Starts SFTP client and returns context for it. */
-SilcSFTP silc_sftp_client_start(SilcSocketConnection sock,
- SilcSFTPSendPacketCallback send_packet,
- void *send_context,
+SilcSFTP silc_sftp_client_start(SilcStream stream,
SilcSFTPVersionCallback callback,
void *context)
{
SilcSFTPClient sftp;
- if (!send_packet)
+ if (!stream)
return NULL;
sftp = silc_calloc(1, sizeof(*sftp));
- sftp->sock = sock;
- sftp->send_packet = send_packet;
- sftp->send_context = send_context;
+ if (!sftp)
+ return NULL;
+ sftp->stream = stream;
sftp->version = callback;
sftp->version_context = context;
silc_list_init(sftp->requests, struct SilcSFTPRequestStruct, next);
+ /* We handle the stream now */
+ silc_stream_set_notifier(stream, silc_sftp_client_io, sftp);
+
/* Send the SFTP session initialization to the server */
- silc_sftp_send_packet(sftp, SILC_SFTP_INIT, 4,
+ silc_sftp_send_packet(sftp, SILC_SFTP_INIT, 4,
SILC_STR_UI_INT(SILC_SFTP_PROTOCOL_VERSION),
SILC_STR_END);
}
/* Function that is called to process the incmoing SFTP packet. */
-/* XXX Some day this will go away and we have automatic receive callbacks
- for SilcSocketConnection API or SilcPacketContext API. */
-void silc_sftp_client_receive_process(SilcSFTP context,
- SilcSocketConnection sock,
- SilcPacketContext *packet)
+void silc_sftp_client_receive_process(SilcSFTP context, SilcBuffer buffer)
{
SilcSFTPClient sftp = (SilcSFTPClient)context;
SilcSFTPRequest req;
SILC_LOG_DEBUG(("Start"));
/* Parse the packet */
- type = silc_sftp_packet_decode(packet->buffer, (unsigned char **)&payload,
+ type = silc_sftp_packet_decode(packet->buffer, (unsigned char **)&payload,
&payload_len);
if (!type)
return;
SILC_STR_UI_INT(&version),
SILC_STR_END);
if (ret < 0) {
- (*sftp->version)((SilcSFTP)sftp, SILC_SFTP_STATUS_FAILURE, 0,
+ (*sftp->version)((SilcSFTP)sftp, SILC_SFTP_STATUS_FAILURE, 0,
sftp->version_context);
break;
}
/* Call the callback */
- (*sftp->version)((SilcSFTP)sftp, SILC_SFTP_STATUS_OK, version,
+ (*sftp->version)((SilcSFTP)sftp, SILC_SFTP_STATUS_OK, version,
sftp->version_context);
}
break;
SILC_LOG_DEBUG(("Status packet"));
- ret = silc_buffer_unformat(&buf,
+ ret = silc_buffer_unformat(&buf,
SILC_STR_UI_INT(&id),
SILC_STR_UI_INT(&status),
SILC_STR_END);
SILC_LOG_DEBUG(("Handle packet"));
- ret = silc_buffer_unformat(&buf,
+ ret = silc_buffer_unformat(&buf,
SILC_STR_UI_INT(&id),
- SILC_STR_UI32_NSTRING(&handle,
+ SILC_STR_UI32_NSTRING(&handle,
&handle_len),
SILC_STR_END);
if (ret < 0)
break;
/* Call the callback */
- silc_sftp_call_request(sftp, req, type, SILC_SFTP_STATUS_OK,
+ silc_sftp_call_request(sftp, req, type, SILC_SFTP_STATUS_OK,
handle, handle_len);
}
break;
SILC_LOG_DEBUG(("Data packet"));
- ret = silc_buffer_unformat(&buf,
+ ret = silc_buffer_unformat(&buf,
SILC_STR_UI_INT(&id),
SILC_STR_UI32_NSTRING(&data, &data_len),
SILC_STR_END);
break;
/* Call the callback */
- silc_sftp_call_request(sftp, req, type, SILC_SFTP_STATUS_OK,
+ silc_sftp_call_request(sftp, req, type, SILC_SFTP_STATUS_OK,
data, data_len);
}
break;
SILC_LOG_DEBUG(("Name packet"));
- ret = silc_buffer_unformat(&buf,
+ ret = silc_buffer_unformat(&buf,
SILC_STR_UI_INT(&id),
SILC_STR_UI_INT(&count),
SILC_STR_END);
SILC_LOG_DEBUG(("Attributes packet"));
- ret = silc_buffer_unformat(&buf,
- SILC_STR_UI_INT(&id),
- SILC_STR_UI_XNSTRING(&data, buf.len - 4),
- SILC_STR_END);
+ ret =
+ silc_buffer_unformat(&buf,
+ SILC_STR_UI_INT(&id),
+ SILC_STR_UI_XNSTRING(&data,
+ silc_buffer_len(&buf) - 4),
+ SILC_STR_END);
if (ret < 0)
break;
if (!req)
break;
- silc_buffer_set(&tmpbuf, data, buf.len - 4);
+ silc_buffer_set(&tmpbuf, data, silc_buffer_len(&buf) - 4);
attr = silc_sftp_attr_decode(&tmpbuf);
if (!attr)
break;
SILC_LOG_DEBUG(("Extended reply packet"));
- ret = silc_buffer_unformat(&buf,
+ ret = silc_buffer_unformat(&buf,
SILC_STR_UI_INT(&id),
- SILC_STR_UI_XNSTRING(&data, buf.len - 4),
+ SILC_STR_UI_XNSTRING(&data, silc_buffer_len(&buf) - 4),
SILC_STR_END);
if (ret < 0)
break;
break;
/* Call the callback */
- silc_sftp_call_request(sftp, req, type, SILC_SFTP_STATUS_OK,
- data, buf.len - 4);
+ silc_sftp_call_request(sftp, req, type, SILC_SFTP_STATUS_OK,
+ data, silc_buffer_len(&buf) - 4);
}
break;
}
}
-void silc_sftp_open(SilcSFTP sftp,
+void silc_sftp_open(SilcSFTP sftp,
const char *filename,
SilcSFTPFileOperation pflags,
SilcSFTPAttributes attrs,
SILC_LOG_DEBUG(("Open request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_OPEN;
req->handle = callback;
silc_list_add(client->requests, req);
attrs_buf = silc_sftp_attr_encode(attrs);
- len = 4 + 4 + strlen(filename) + 4 + attrs_buf->len;
+ if (!attrs_buf)
+ return;
+ len = 4 + 4 + strlen(filename) + 4 + silc_buffer_len(attrs_buf);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(filename)),
SILC_STR_UI32_STRING(filename),
SILC_STR_UI_INT(pflags),
- SILC_STR_UI_XNSTRING(attrs_buf->data,
- attrs_buf->len),
+ SILC_STR_UI_XNSTRING(attrs_buf->data,
+ silc_buffer_len(attrs_buf)),
SILC_STR_END);
silc_buffer_free(attrs_buf);
SILC_LOG_DEBUG(("Close request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_CLOSE;
req->status = callback;
silc_sftp_handle_get(handle, &hdata, &hdata_len);
len = 4 + 4 + hdata_len;
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(hdata_len),
SILC_STR_UI_XNSTRING(hdata, hdata_len),
SILC_STR_END);
+ silc_sftp_handle_delete(handle);
}
void silc_sftp_read(SilcSFTP sftp,
SilcSFTPHandle handle,
- SilcUInt64 offset,
+ SilcUInt64 offset,
SilcUInt32 len,
SilcSFTPDataCallback callback,
void *context)
SILC_LOG_DEBUG(("Read request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_READ;
req->data = callback;
silc_sftp_handle_get(handle, &hdata, &hdata_len);
len2 = 4 + 4 + hdata_len + 8 + 4;
- silc_sftp_send_packet(client, req->type, len2,
+ silc_sftp_send_packet(client, req->type, len2,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(hdata_len),
SILC_STR_UI_XNSTRING(hdata, hdata_len),
SILC_LOG_DEBUG(("Write request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_WRITE;
req->status = callback;
silc_sftp_handle_get(handle, &hdata, &hdata_len);
len = 4 + 4 + hdata_len + 8 + 4 + data_len;
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(hdata_len),
SILC_STR_UI_XNSTRING(hdata, hdata_len),
SILC_LOG_DEBUG(("Remove request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_REMOVE;
req->status = callback;
len = 4 + 4 + strlen(filename);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(filename)),
SILC_STR_UI32_STRING(filename),
SILC_LOG_DEBUG(("Rename request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_RENAME;
req->status = callback;
len = 4 + 4 + strlen(oldname) + 4 + strlen(newname);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(oldname)),
SILC_STR_UI32_STRING(oldname),
SILC_LOG_DEBUG(("Mkdir request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_MKDIR;
req->status = callback;
silc_list_add(client->requests, req);
attrs_buf = silc_sftp_attr_encode(attrs);
- len = 4 + 4 + strlen(path) + attrs_buf->len;
+ if (!attrs_buf)
+ return;
+ len = 4 + 4 + strlen(path) + silc_buffer_len(attrs_buf);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(path)),
SILC_STR_UI32_STRING(path),
SILC_STR_UI_XNSTRING(attrs_buf->data,
- attrs_buf->len),
+ silc_buffer_len(attrs_buf)),
SILC_STR_END);
silc_buffer_free(attrs_buf);
SILC_LOG_DEBUG(("Rmdir request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_RMDIR;
req->status = callback;
len = 4 + 4 + strlen(path);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(path)),
SILC_STR_UI32_STRING(path),
SILC_LOG_DEBUG(("Opendir request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_OPENDIR;
req->handle = callback;
len = 4 + 4 + strlen(path);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(path)),
SILC_STR_UI32_STRING(path),
SILC_LOG_DEBUG(("Readdir request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_READDIR;
req->name = callback;
silc_sftp_handle_get(handle, &hdata, &hdata_len);
len = 4 + 4 + hdata_len;
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(hdata_len),
SILC_STR_UI_XNSTRING(hdata, hdata_len),
SILC_LOG_DEBUG(("Stat request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_STAT;
req->attr = callback;
len = 4 + 4 + strlen(path);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(path)),
SILC_STR_UI32_STRING(path),
SILC_LOG_DEBUG(("Lstat request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_LSTAT;
req->attr = callback;
len = 4 + 4 + strlen(path);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(path)),
SILC_STR_UI32_STRING(path),
SILC_LOG_DEBUG(("Fstat request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_FSTAT;
req->attr = callback;
silc_sftp_handle_get(handle, &hdata, &hdata_len);
len = 4 + 4 + hdata_len;
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(hdata_len),
SILC_STR_UI_XNSTRING(hdata, hdata_len),
SILC_LOG_DEBUG(("Setstat request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_SETSTAT;
req->status = callback;
silc_list_add(client->requests, req);
attrs_buf = silc_sftp_attr_encode(attrs);
- len = 4 + 4 + strlen(path) + attrs_buf->len;
+ if (!attrs_buf)
+ return;
+ len = 4 + 4 + strlen(path) + silc_buffer_len(attrs_buf);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(path)),
SILC_STR_UI32_STRING(path),
SILC_STR_UI_XNSTRING(attrs_buf->data,
- attrs_buf->len),
+ silc_buffer_len(attrs_buf)),
SILC_STR_END);
silc_buffer_free(attrs_buf);
SILC_LOG_DEBUG(("Fsetstat request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_FSETSTAT;
req->status = callback;
silc_sftp_handle_get(handle, &hdata, &hdata_len);
attrs_buf = silc_sftp_attr_encode(attrs);
- len = 4 + 4 + hdata_len + attrs_buf->len;
+ if (!attrs_buf)
+ return;
+ len = 4 + 4 + hdata_len + silc_buffer_len(attrs_buf);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(hdata_len),
SILC_STR_UI_XNSTRING(hdata, hdata_len),
SILC_STR_UI_XNSTRING(attrs_buf->data,
- attrs_buf->len),
+ silc_buffer_len(attrs_buf)),
SILC_STR_END);
silc_buffer_free(attrs_buf);
SILC_LOG_DEBUG(("Readlink request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_READLINK;
req->name = callback;
len = 4 + 4 + strlen(path);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(path)),
SILC_STR_UI32_STRING(path),
SILC_LOG_DEBUG(("Symlink request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_SYMLINK;
req->status = callback;
len = 4 + 4 + strlen(linkpath) + 4 + strlen(targetpath);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(linkpath)),
SILC_STR_UI32_STRING(linkpath),
SILC_LOG_DEBUG(("Realpath request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_REALPATH;
req->name = callback;
len = 4 + 4 + strlen(path);
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(path)),
SILC_STR_UI32_STRING(path),
SILC_LOG_DEBUG(("Extended request"));
req = silc_calloc(1, sizeof(*req));
+ if (!req)
+ return;
req->id = client->id++;
req->type = SILC_SFTP_WRITE;
req->extended = callback;
len = 4 + 4 + strlen(request) + data_len;
- silc_sftp_send_packet(client, req->type, len,
+ silc_sftp_send_packet(client, req->type, len,
SILC_STR_UI_INT(req->id),
SILC_STR_UI_INT(strlen(request)),
SILC_STR_UI32_STRING(request),
projects / silc.git / blobdiff