int
sftpfs_fstat (void *data, struct stat *buf, GError ** mcerror)
{
int res;
LIBSSH2_SFTP_ATTRIBUTES attrs;
vfs_file_handler_t *fh = (vfs_file_handler_t *) data;
sftpfs_file_handler_data_t *sftpfs_fh = fh->data;
struct vfs_s_super *super = fh->ino->super;
sftpfs_super_data_t *super_data = (sftpfs_super_data_t *) super->data;
mc_return_val_if_error (mcerror, -1);
if (sftpfs_fh->handle == NULL)
return -1;
do
{
res = libssh2_sftp_fstat_ex (sftpfs_fh->handle, &attrs, 0);
if (res >= 0)
break;
if (res != LIBSSH2_ERROR_EAGAIN)
{
sftpfs_ssherror_to_gliberror (super_data, res, mcerror);
return -1;
}
sftpfs_waitsocket (super_data, mcerror);
mc_return_val_if_error (mcerror, -1);
}
while (res == LIBSSH2_ERROR_EAGAIN);
if ((attrs.flags & LIBSSH2_SFTP_ATTR_UIDGID) != 0)
{
buf->st_uid = attrs.uid;
buf->st_gid = attrs.gid;
}
if ((attrs.flags & LIBSSH2_SFTP_ATTR_ACMODTIME) != 0)
{
buf->st_atime = attrs.atime;
buf->st_mtime = attrs.mtime;
buf->st_ctime = attrs.mtime;
}
if ((attrs.flags & LIBSSH2_SFTP_ATTR_SIZE) != 0)
buf->st_size = attrs.filesize;
if ((attrs.flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) != 0)
buf->st_mode = attrs.permissions;
return 0;
}
/**
* @function SFTP.stat
*
* ### Synopsis
*
* var stat = SFTP.stat(handle, path);
*
* Get attributes of a remote file.
*
* The returned object will be of the form:
*
* + size: size of file in bytes.
* + permissions: file permissions.
* + uid: uid of owner of file.
* + gid: gid of owner of file.
* + mtime: modification time (timestamp) of file.
* + atime: access time (timestamp) of file
*
* @param {object} handle - opaque handle to existing SFTP connection (already connected).
* @param {string} path - path on remote server to directory to get status of.
* @returns {object} stat - object of the form described above.
*/
JSVAL sftp_stat (JSARGS args) {
HandleScope scope;
SFTP *handle = HANDLE(args[0]);
String::Utf8Value path(args[1]);
LIBSSH2_SFTP_HANDLE *sftp_handle = libssh2_sftp_open(handle->sftp_session, *path, LIBSSH2_FXF_READ, 0);
if (!sftp_handle) {
return scope.Close(String::New("Could not get status for remote file"));
}
LIBSSH2_SFTP_ATTRIBUTES attrs;
if (libssh2_sftp_fstat_ex(sftp_handle, &attrs, 0) < 0) {
libssh2_sftp_close(sftp_handle);
return scope.Close(String::New("Could not get status for remote file"));
}
Handle<String> _permissions = String::New("permissions");
Handle<String> _uid = String::New("uid");
Handle<String> _gid = String::New("gid");
Handle<String> _size = String::New("size");
Handle<String> _mtime = String::New("mtime");
Handle<String> _atime = String::New("atime");
JSOBJ o = Object::New();
if (attrs.flags & LIBSSH2_SFTP_ATTR_SIZE) {
o->Set(_size, Integer::New(attrs.filesize));
}
if (attrs.flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) {
o->Set(_permissions, Integer::New(attrs.permissions));
}
if (attrs.flags & LIBSSH2_SFTP_ATTR_UIDGID) {
o->Set(_uid, Integer::New(attrs.uid));
o->Set(_gid, Integer::New(attrs.gid));
}
if (attrs.flags & LIBSSH2_SFTP_ATTR_ACMODTIME) {
o->Set(_mtime, Integer::New(attrs.mtime));
o->Set(_atime, Integer::New(attrs.atime));
}
libssh2_sftp_close(sftp_handle);
return scope.Close(o);
}
bool SFTPChannel::updateReadFile()
{
int rc;
if (mRequestState == Beginning)
{
QByteArray path = mCurrentRequest->getPath().toUtf8();
mOperationHandle = libssh2_sftp_open_ex(mHandle, path, path.length(), LIBSSH2_FXF_READ, 0, LIBSSH2_SFTP_OPENFILE);
if (mOperationHandle)
mRequestState = Sizing;
else if ((rc = libssh2_session_last_errno(mSession->sessionHandle())) == LIBSSH2_ERROR_EAGAIN)
return true; // try again
else
{
criticalError(tr("Failed to open remote file for reading: %1").arg(rc));
return false;
}
}
if (mRequestState == Sizing)
{
LIBSSH2_SFTP_ATTRIBUTES attr;
int rc = libssh2_sftp_fstat_ex(mOperationHandle, &attr, 0);
if (rc == LIBSSH2_ERROR_EAGAIN)
return true;
else if (rc < 0)
{
criticalError(tr("Failed to stat remote file: %1").arg(rc));
return false;
}
mOperationSize = attr.filesize;
if (mOperationSize == 0)
mOperationSize = 1;
mRequestState = Reading;
}
if (mRequestState == Reading)
{
char buffer[4096];
rc = libssh2_sftp_read(mOperationHandle, buffer, sizeof(buffer));
if (rc == LIBSSH2_ERROR_EAGAIN)
return true; // Try again
else if (rc == 0)
mRequestState = Finishing;
else if (rc < 0)
{
criticalError(tr("Error while reading file contents: %1").arg(rc));
return false;
}
else // Got some data
{
mCurrentRequest->addContent(buffer, rc);
mCurrentRequest->triggerProgress((mCurrentRequest->getContent().length() * 100) / mOperationSize);
}
}
if (mRequestState == Finishing)
{
rc = libssh2_sftp_close_handle(mOperationHandle);
if (rc == LIBSSH2_ERROR_EAGAIN)
return true;
else if (rc < 0)
{
criticalError(tr("Failed to cleanly close SFTP file: %1").arg(rc));
return false;
}
// Success! Send a response and finish up.
QVariantMap finalResult;
finalResult.insert("content", mCurrentRequest->getContent());
mCurrentRequest->triggerSuccess(finalResult);
return false;
}
return true;
}
int main(int argc, char *argv[])
{
unsigned long hostaddr;
int sock, i, auth_pw = 1;
struct sockaddr_in sin;
const char *fingerprint;
LIBSSH2_SESSION *session;
const char *username="******";
const char *password="******";
const char *loclfile="sftp_write.c";
const char *sftppath="/tmp/TEST";
int rc;
FILE *local;
LIBSSH2_SFTP *sftp_session;
LIBSSH2_SFTP_HANDLE *sftp_handle;
LIBSSH2_SFTP_ATTRIBUTES attrs;
char mem[1024*100];
size_t nread;
char *ptr;
#ifdef WIN32
WSADATA wsadata;
WSAStartup(MAKEWORD(2,0), &wsadata);
#endif
if (argc > 1) {
hostaddr = inet_addr(argv[1]);
} else {
hostaddr = htonl(0x7F000001);
}
if(argc > 2) {
username = argv[2];
}
if(argc > 3) {
password = argv[3];
}
if(argc > 4) {
loclfile = argv[4];
}
if(argc > 5) {
sftppath = argv[5];
}
rc = libssh2_init (0);
if (rc != 0) {
fprintf (stderr, "libssh2 initialization failed (%d)\n", rc);
return 1;
}
local = fopen(loclfile, "rb");
if (!local) {
printf("Can't local file %s\n", loclfile);
return -1;
}
/*
* The application code is responsible for creating the socket
* and establishing the connection
*/
sock = socket(AF_INET, SOCK_STREAM, 0);
sin.sin_family = AF_INET;
sin.sin_port = htons(22);
sin.sin_addr.s_addr = hostaddr;
if (connect(sock, (struct sockaddr*)(&sin),
sizeof(struct sockaddr_in)) != 0) {
fprintf(stderr, "failed to connect!\n");
return -1;
}
/* Create a session instance
*/
session = libssh2_session_init();
if(!session)
return -1;
/* Since we have set non-blocking, tell libssh2 we are blocking */
libssh2_session_set_blocking(session, 1);
/* ... start it up. This will trade welcome banners, exchange keys,
* and setup crypto, compression, and MAC layers
*/
rc = libssh2_session_startup(session, sock);
if(rc) {
fprintf(stderr, "Failure establishing SSH session: %d\n", rc);
return -1;
}
/* At this point we havn't yet authenticated. The first thing to do
* is check the hostkey's fingerprint against our known hosts Your app
* may have it hard coded, may go to a file, may present it to the
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
if (auth_pw) {
/* We could authenticate via password */
if (libssh2_userauth_password(session, username, password)) {
printf("Authentication by password failed.\n");
goto shutdown;
}
} else {
/* Or by public key */
if (libssh2_userauth_publickey_fromfile(session, username,
"/home/username/.ssh/id_rsa.pub",
"/home/username/.ssh/id_rsa",
password)) {
printf("\tAuthentication by public key failed\n");
goto shutdown;
}
}
fprintf(stderr, "libssh2_sftp_init()!\n");
sftp_session = libssh2_sftp_init(session);
if (!sftp_session) {
fprintf(stderr, "Unable to init SFTP session\n");
goto shutdown;
}
fprintf(stderr, "libssh2_sftp_open() for READ and WRITE!\n");
/* Request a file via SFTP */
sftp_handle =
libssh2_sftp_open(sftp_session, sftppath,
LIBSSH2_FXF_WRITE|LIBSSH2_FXF_READ,
LIBSSH2_SFTP_S_IRUSR|LIBSSH2_SFTP_S_IWUSR|
LIBSSH2_SFTP_S_IRGRP|LIBSSH2_SFTP_S_IROTH);
if (!sftp_handle) {
fprintf(stderr, "Unable to open file with SFTP\n");
goto shutdown;
}
if(libssh2_sftp_fstat_ex(sftp_handle, &attrs, 0) < 0) {
printf("libssh2_sftp_fstat_ex failed\n");
goto shutdown;
}
else
libssh2_sftp_seek64(sftp_handle, attrs.filesize);
printf("Did a seek to position %ld\n", (long) attrs.filesize);
fprintf(stderr, "libssh2_sftp_open() a handle for APPEND\n");
if (!sftp_handle) {
fprintf(stderr, "Unable to open file with SFTP\n");
goto shutdown;
}
fprintf(stderr, "libssh2_sftp_open() is done, now send data!\n");
do {
nread = fread(mem, 1, sizeof(mem), local);
if (nread <= 0) {
/* end of file */
break;
}
ptr = mem;
do {
/* write data in a loop until we block */
rc = libssh2_sftp_write(sftp_handle, ptr, nread);
if(rc < 0)
break;
ptr += rc;
nread -= rc;
} while (nread);
} while (rc > 0);
libssh2_sftp_close(sftp_handle);
libssh2_sftp_shutdown(sftp_session);
shutdown:
libssh2_session_disconnect(session,
"Normal Shutdown, Thank you for playing");
libssh2_session_free(session);
#ifdef WIN32
closesocket(sock);
#else
close(sock);
#endif
if (local)
fclose(local);
printf("all done\n");
libssh2_exit();
return 0;
}
