SshFsModel::SshFsModel(QSharedPointer<ssh_session_struct> ssh, QObject *parent) :
QAbstractItemModel(parent), _ssh(ssh)
{
_sftp = QSharedPointer<sftp_session_struct>(sftp_new(ssh.data()), sftp_free);
if (sftp_init(_sftp.data()) != SSH_OK)
{
fprintf(stderr, "Error initializing SFTP session: %s.\n", sftp_get_error(_sftp.data()));
}
}
void SSH::openSftp() {
if (sftp_) return;
sftp_ = sftp_new(session_);
if (sftp_ == NULL) {
throw Error(1, "Unable to create the the sftp session");
}
if (sftp_init(sftp_) != SSH_OK) {
sftp_free(sftp_);
throw Error(1, "Error initializing SFTP session");
}
}
gboolean
remmina_sftp_open (RemminaSFTP *sftp)
{
sftp->sftp_sess = sftp_new (sftp->ssh.session);
if (!sftp->sftp_sess)
{
remmina_ssh_set_error (REMMINA_SSH (sftp), _("Failed to create sftp session: %s"));
return FALSE;
}
if (sftp_init (sftp->sftp_sess))
{
remmina_ssh_set_error (REMMINA_SSH (sftp), _("Failed to initialize sftp session: %s"));
return FALSE;
}
return TRUE;
}
void clSFTP::Initialize() throw(clException)
{
if(m_sftp) return;
m_sftp = sftp_new(m_ssh->GetSession());
if(m_sftp == NULL) {
throw clException(wxString() << "Error allocating SFTP session: " << ssh_get_error(m_ssh->GetSession()));
}
int rc = sftp_init(m_sftp);
if(rc != SSH_OK) {
throw clException(wxString() << "Error initializing SFTP session: " << ssh_get_error(m_ssh->GetSession()),
sftp_get_error(m_sftp));
}
m_connected = true;
}
sftp_session sn_sftp_get_session(ssh_session session) {
sftp_session s = sftp_new(session);
if (!s) {
std::cerr << "[sftp\tfail] Error allocating SFTP session: " << ssh_get_error(session)
<< std::endl;
exit(ERR_SFTP_ALLOC_SESSION);
}
int rc = sftp_init(s);
if (rc != SSH_OK) {
std::cerr << "Error initializing SFTP session: " << sftp_get_error(s) << std::endl;
sftp_free(s);
exit(ERR_SFTP_INIT_SESSION);
}
return s;
}
int main()
{
// INIT
ssh_session sshsession = ssh_new();
ssh_options_set(sshsession, SSH_OPTIONS_HOST, "192.168.1.117");
if (ssh_connect(sshsession) == 0)
{
if (ssh_userauth_password(sshsession, "root", "password") == 0)
{
sftp_session sftpsession = sftp_new(sshsession);
if (sftp_init(sftpsession) == 0)
{
// DIR READ
sftp_dir dir = sftp_opendir(sftpsession, "/root/");
sftp_attributes file;
while((file = sftp_readdir(sftpsession, dir)))
{
if (file->type == 1) // 1 == file; 2 == dir
{
// todo..
}
}
sftp_closedir(dir);
// FILE READ
sftp_file l_file = sftp_open(sftpsession, "/root/test.txt", O_RDONLY, 0);
sftp_attributes attr = sftp_fstat(l_file);
QByteArray l_ba;
l_ba.resize(attr->size);
sftp_read(l_file, l_ba.data(), attr->size); // Returns readed
sftp_close(l_file);
}
}
ssh_disconnect(sshsession);
}
return 0;
}
static sftp_session create_sftp_session(){
perror("Inside getattr");
sftp_session sftp = sftp_new(con.my_ssh_session);
if (sftp == NULL)
{
fprintf(stderr, "Error allocating SFTP session: %s\n",
ssh_get_error(con.my_ssh_session));
return NULL;
}
perror("sftp established");
int rc = sftp_init(sftp);
perror("after init");
if (rc != SSH_OK)
{
fprintf(stderr, "Error initializing SFTP session: %s.\n",
sftp_get_error(sftp));
sftp_free(sftp);
return NULL;
}
return sftp;
}
int sftp_test(SSH_SESSION *session, int test){
SFTP_SESSION *sftp=sftp_new(session);
SFTP_FILE *file;
int wrote=0;
char name[128];
if(sftp == NULL)
return SSH_ERROR;
if(sftp_init(sftp)<0){
printf("problem initializing sftp : %s\n",ssh_get_error(session));
return SSH_ERROR;
}
if(test==TEST_WRITE){
snprintf(name,sizeof(name),"/tmp/libsshstress%d",rand());
file=sftp_open(sftp,name,O_RDWR|O_CREAT,0777);
if(!file){
printf("Failed to open file : %s\n",ssh_get_error(session));
sftp_free(sftp);
return SSH_ERROR;
}
while(wrote<FILESIZE){
int max=FILESIZE-wrote;
int towrite=rand()%max + 1;
int ret=sftp_write(file,&samplefile[wrote],towrite);
if(ret<=0){
printf("Problem while writing : %s\n",ssh_get_error(session));
sftp_free(sftp);
return SSH_ERROR;
}
if(ret != towrite){
printf("Asked to write %d, wrote %d\n",towrite,ret);
}
wrote += ret;
}
sftp_close(file);
}
sftp_free(sftp);
return SSH_OK;
}
int main(int argc, char *argv[])
{
int fuse_stat;
ggnfs_data.remoteHost =argv[1];
ggnfs_data.rootdir = realpath(argv[2], NULL);
printf("hostname -> %s\n", ggnfs_data.remoteHost);
printf("rootdir -> %s\n", ggnfs_data.rootdir);
/* start new ssh session */
int rc;
ggnfs_data.session = ssh_new();
if (ggnfs_data.session == NULL)
exit(-1);
ssh_options_set(ggnfs_data.session, SSH_OPTIONS_HOST, ggnfs_data.remoteHost);
rc = ssh_connect(ggnfs_data.session);
if (rc != SSH_OK)
{
fprintf(stderr, "Error connecting to remoteHost: %s\n",
ssh_get_error(ggnfs_data.session));
ssh_free(ggnfs_data.session);
exit(-1);
}
// Verify the server's identity
// For the source code of verify_knowhost(), check previous example
if (verify_knownhost(ggnfs_data.session) < 0)
{
ssh_disconnect(ggnfs_data.session);
ssh_free(ggnfs_data.session);
exit(-1);
}
// Authenticate ourselves
//char * password = "******";// getpass("Password: "******"Error authenticating with password: %s\n",
ssh_get_error(ggnfs_data.session));
ssh_disconnect(ggnfs_data.session);
ssh_free(ggnfs_data.session);
exit(-1);
}
/** making sftp session **/
int rc_sftp;
ggnfs_data.sftp = sftp_new(ggnfs_data.session);
if (ggnfs_data.sftp == NULL)
{
fprintf(stderr, "Error allocating SFTP session: %s\n",
ssh_get_error(ggnfs_data.session));
// return SSH_ERROR;
}
rc_sftp = sftp_init(ggnfs_data.sftp);
if (rc_sftp != SSH_OK)
{
fprintf(stderr, "Error initializing SFTP session: %s.\n",
sftp_get_error(ggnfs_data.sftp));
sftp_free(ggnfs_data.sftp);
// return rc;
}
/* Adjusting agruments to pass to FUSE mount function*/
int i = 1;
for(; i < argc; ++i) {
argv[i] = argv[i+1];
}
argv[argc-1] = NULL;
argc--;
/*** TESTING: status working ***/
//printf("show_remote_ls\n");
//show_remote_ls(ggnfs_data->session);
sftp_list_dir(ggnfs_data.session, ggnfs_data.sftp);
printf("about to call fuse_main\n");
fuse_stat = fuse_main(argc, argv, &ggnfs_oper, NULL);
printf("fuse_main returned %d\n", fuse_stat);
ssh_disconnect(ggnfs_data.session);
ssh_free(ggnfs_data.session);
sftp_free(ggnfs_data.sftp);
return fuse_stat;
}
static int _sftp_connect(const char *uri) {
char *scheme = NULL;
char *user = NULL;
char *passwd = NULL;
char *host = NULL;
unsigned int port = 0;
char *path = NULL;
unsigned char *hash = NULL;
int hlen;
int rc = -1;
int state = SSH_SERVER_ERROR;
int timeout = 10;
int method;
char *verbosity;
if (_connected) {
return 0;
}
rc = c_parse_uri(uri, &scheme, &user, &passwd, &host, &port, &path);
if (rc < 0) {
goto out;
}
DEBUG_SFTP(("csync_sftp - conntecting to: %s\n", host));
/* create the session */
_ssh_session = ssh_new();
if (_ssh_session == NULL) {
fprintf(stderr, "csync_sftp - error creating new connection: %s\n",
strerror(errno));
rc = -1;
goto out;
}
rc = ssh_options_set(_ssh_session, SSH_OPTIONS_TIMEOUT, &timeout);
if (rc < 0) {
fprintf(stderr, "csync_sftp - error setting options: %s\n",
strerror(errno));
goto out;
}
rc = ssh_options_set(_ssh_session, SSH_OPTIONS_COMPRESSION_C_S, "none");
if (rc < 0) {
fprintf(stderr, "csync_sftp - error setting options: %s\n",
strerror(errno));
goto out;
}
rc = ssh_options_set(_ssh_session, SSH_OPTIONS_COMPRESSION_S_C, "none");
if (rc < 0) {
fprintf(stderr, "csync_sftp - error setting options: %s\n",
strerror(errno));
goto out;
}
ssh_options_set(_ssh_session, SSH_OPTIONS_HOST, host);
if (rc < 0) {
fprintf(stderr, "csync_sftp - error setting options: %s\n",
strerror(errno));
goto out;
}
if (port) {
ssh_options_set(_ssh_session, SSH_OPTIONS_PORT, &port);
if (rc < 0) {
fprintf(stderr, "csync_sftp - error setting options: %s\n",
strerror(errno));
goto out;
}
DEBUG_SFTP(("csync_sftp - port set to: %d\n", port));
}
if (user && *user) {
ssh_options_set(_ssh_session, SSH_OPTIONS_USER, user);
if (rc < 0) {
fprintf(stderr, "csync_sftp - error setting options: %s\n",
strerror(errno));
goto out;
}
DEBUG_SFTP(("csync_sftp - username set to: %s\n", user));
}
verbosity = getenv("CSYNC_SFTP_LOG_VERBOSITY");
if (verbosity) {
rc = ssh_options_set(_ssh_session, SSH_OPTIONS_LOG_VERBOSITY_STR, verbosity);
if (rc < 0) {
goto out;
}
}
/* read ~/.ssh/config */
rc = ssh_options_parse_config(_ssh_session, NULL);
if (rc < 0) {
goto out;
}
_ssh_callbacks = (ssh_callbacks) c_malloc(sizeof(struct ssh_callbacks_struct));
if (_ssh_callbacks == NULL) {
rc = -1;
goto out;
}
ZERO_STRUCTP(_ssh_callbacks);
_ssh_callbacks->userdata = _userdata;
_ssh_callbacks->auth_function = _ssh_auth_callback;
ssh_callbacks_init(_ssh_callbacks);
ssh_set_callbacks(_ssh_session, _ssh_callbacks);
rc = ssh_connect(_ssh_session);
if (rc < 0) {
fprintf(stderr, "csync_sftp - error connecting to the server: %s\n", ssh_get_error(_ssh_session));
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
goto out;
}
hlen = ssh_get_pubkey_hash(_ssh_session, &hash);
if (hlen < 0) {
fprintf(stderr, "csync_sftp - error connecting to the server: %s\n",
ssh_get_error(_ssh_session));
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
goto out;
}
/* check the server public key hash */
state = ssh_is_server_known(_ssh_session);
switch (state) {
case SSH_SERVER_KNOWN_OK:
break;
case SSH_SERVER_KNOWN_CHANGED:
fprintf(stderr, "csync_sftp - The host key for this server was "
"not found, but another type of key exists.\n"
"An attacker might change the default server key to confuse your "
"client into thinking the key does not exist.\n"
"Please contact your system administrator.\n"
"%s\n", ssh_get_error(_ssh_session));
ssh_print_hexa("csync_sftp - public key hash", hash, hlen);
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
break;
case SSH_SERVER_FOUND_OTHER:
fprintf(stderr, "csync_sftp - the host key for this server was not "
"found but an other type of key exists.\n");
fprintf(stderr, "csync_sftp - an attacker might change the default "
"server key to confuse your client into thinking the key does not "
"exist\n");
fprintf(stderr, "The host key for the server %s has changed.\n"
"This could either mean that DNS SPOOFING is happening or the IP "
"address for the host and its host key have changed at the same time.\n"
"The fingerprint for the key sent by the remote host is:\n", host);
ssh_print_hexa("", hash, hlen);
fprintf(stderr, "Please contact your system administrator.\n"
"%s\n", ssh_get_error(_ssh_session));
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
break;
case SSH_SERVER_NOT_KNOWN:
if (_authcb) {
char *hexa;
char *prompt;
char buf[4] = {0};
hexa = ssh_get_hexa(hash, hlen);
if (hexa == NULL) {
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
}
if (asprintf(&prompt,
"The authenticity of host '%s' can't be established.\n"
"RSA key fingerprint is %s.\n"
"Are you sure you want to continue connecting (yes/no)?",
host, hexa) < 0 ) {
free(hexa);
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
}
free(hexa);
if ((*_authcb)(prompt, buf, sizeof(buf), 1, 0, _userdata) < 0) {
free(prompt);
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
}
free(prompt);
if (strncasecmp(buf, "yes", 3) != 0) {
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
}
if (ssh_write_knownhost(_ssh_session) < 0) {
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
}
} else {
fprintf(stderr,"csync_sftp - the server is unknown. Connect manually to "
"the host to retrieve the public key hash, then try again.\n");
}
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
break;
case SSH_SERVER_ERROR:
fprintf(stderr, "%s\n", ssh_get_error(_ssh_session));
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
break;
default:
break;
}
/* Try to authenticate */
rc = ssh_userauth_none(_ssh_session, NULL);
if (rc == SSH_AUTH_ERROR) {
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
}
#if 0
/* authenticate with the server */
if (passwd && *passwd) {
DEBUG_SFTP(("csync_sftp - authenticating with user/password\n"));
/*
* This is tunneled cleartext password authentication and possibly needs
* to be allowed by the ssh server. Set 'PasswordAuthentication yes'
*/
auth = ssh_userauth_password(_ssh_session, user, passwd);
} else {
DEBUG_SFTP(("csync_sftp - authenticating with pubkey\n"));
auth = ssh_userauth_autopubkey(_ssh_session, NULL);
}
if (auth == SSH_AUTH_ERROR) {
fprintf(stderr, "csync_sftp - authenticating with pubkey: %s\n",
ssh_get_error(_ssh_session));
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
}
if (auth != SSH_AUTH_SUCCESS) {
if (_authcb != NULL) {
auth = auth_kbdint(_ssh_session);
if (auth == SSH_AUTH_ERROR) {
fprintf(stderr,"csync_sftp - authentication failed: %s\n",
ssh_get_error(_ssh_session));
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
}
} else {
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
}
}
#endif
method = ssh_auth_list(_ssh_session);
while (rc != SSH_AUTH_SUCCESS) {
/* Try to authenticate with public key first */
if (method & SSH_AUTH_METHOD_PUBLICKEY) {
rc = ssh_userauth_autopubkey(_ssh_session, NULL);
if (rc == SSH_AUTH_ERROR) {
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
} else if (rc == SSH_AUTH_SUCCESS) {
break;
}
}
/* Try to authenticate with keyboard interactive */
if (method & SSH_AUTH_METHOD_INTERACTIVE) {
rc = auth_kbdint(_ssh_session, user, passwd);
if (rc == SSH_AUTH_ERROR) {
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
} else if (rc == SSH_AUTH_SUCCESS) {
break;
}
}
/* Try to authenticate with password */
if ((method & SSH_AUTH_METHOD_PASSWORD) && passwd && *passwd) {
rc = ssh_userauth_password(_ssh_session, user, passwd);
if (rc == SSH_AUTH_ERROR) {
ssh_disconnect(_ssh_session);
_ssh_session = NULL;
ssh_finalize();
rc = -1;
goto out;
} else if (rc == SSH_AUTH_SUCCESS) {
break;
}
}
}
DEBUG_SFTP(("csync_sftp - creating sftp channel...\n"));
/* start the sftp session */
_sftp_session = sftp_new(_ssh_session);
if (_sftp_session == NULL) {
fprintf(stderr, "csync_sftp - sftp error initialising channel: %s\n", ssh_get_error(_ssh_session));
rc = -1;
goto out;
}
rc = sftp_init(_sftp_session);
if (rc < 0) {
fprintf(stderr, "csync_sftp - error initialising sftp: %s\n", ssh_get_error(_ssh_session));
goto out;
}
DEBUG_SFTP(("csync_sftp - connection established...\n"));
_connected = 1;
rc = 0;
out:
SAFE_FREE(scheme);
SAFE_FREE(user);
SAFE_FREE(passwd);
SAFE_FREE(host);
SAFE_FREE(path);
SAFE_FREE(hash);
return rc;
}
/* it's just a proof of concept code for sftp, till i write a real documentation about it */
void do_sftp(SSH_SESSION *session){
SFTP_SESSION *sftp=sftp_new(session);
SFTP_DIR *dir;
SFTP_ATTRIBUTES *file;
SFTP_FILE *fichier;
SFTP_FILE *to;
int len=1;
int i;
char data[8000];
if(!sftp){
ssh_say(0,"sftp error initialising channel : %s\n",ssh_get_error(session));
return;
}
if(sftp_init(sftp)){
ssh_say(0,"error initialising sftp : %s\n",ssh_get_error(session));
return;
}
/* the connection is made */
/* opening a directory */
dir=sftp_opendir(sftp,"./");
if(!dir) {
ssh_say(0,"Directory not opened(%s)\n",ssh_get_error(session));
return ;
}
/* reading the whole directory, file by file */
while((file=sftp_readdir(sftp,dir))){
ssh_say(0,"%30s(%.8lo) : %.5d.%.5d : %.10lld bytes\n",file->name,file->permissions,file->uid,file->gid,file->size);
sftp_attributes_free(file);
}
/* when file=NULL, an error has occured OR the directory listing is end of file */
if(!sftp_dir_eof(dir)){
ssh_say(0,"error : %s\n",ssh_get_error(session));
return;
}
if(sftp_dir_close(dir)){
ssh_say(0,"Error : %s\n",ssh_get_error(session));
return;
}
/* this will open a file and copy it into your /home directory */
/* the small buffer size was intended to stress the library. of course, you can use a buffer till 20kbytes without problem */
fichier=sftp_open(sftp,"/usr/bin/ssh",O_RDONLY,NULL);
if(!fichier){
ssh_say(0,"Error opening /usr/bin/ssh : %s\n",ssh_get_error(session));
return;
}
/* open a file for writing... */
to=sftp_open(sftp,"ssh-copy",O_WRONLY | O_CREAT,NULL);
if(!to){
ssh_say(0,"Error opening ssh-copy for writing : %s\n",ssh_get_error(session));
return;
}
while((len=sftp_read(fichier,data,4096)) > 0){
if(sftp_write(to,data,len)!=len){
ssh_say(0,"error writing %d bytes : %s\n",len,ssh_get_error(session));
return;
}
}
printf("finished\n");
if(len<0)
ssh_say(0,"Error reading file : %s\n",ssh_get_error(session));
sftp_file_close(fichier);
sftp_file_close(to);
printf("fichiers ferm�\n");
to=sftp_open(sftp,"/tmp/grosfichier",O_WRONLY|O_CREAT,NULL);
for(i=0;i<1000;++i){
len=sftp_write(to,data,8000);
printf("wrote %d bytes\n",len);
if(len != 8000){
printf("chunk %d : %d (%s)\n",i,len,ssh_get_error(session));
}
}
sftp_file_close(to);
/* close the sftp session */
sftp_free(sftp);
printf("session sftp termin�\n");
}
int ssh_open_url(url_t* urlp)
{
ftp->session = ssh_new();
if (!ftp->session)
return -1;
/* set log level */
if (ftp_get_verbosity() == vbDebug)
{
int verbosity = SSH_LOG_PROTOCOL;
ssh_options_set(ftp->session, SSH_OPTIONS_LOG_VERBOSITY, &verbosity);
}
/* If we have ssh options from yafcrc, load them */
if (gvSSHOptions) {
args_t *args = args_create();
args_init(args, 0, NULL);
args_push_back(args, gvSSHOptions);
int argc = 0;
if (ssh_options_getopt(ftp->session, &argc, args->argv) != SSH_OK) {
ftp_err(_("Failed to load SSH options from yafcrc config (ssh_options = '%s')\n"), gvSSHOptions);
ssh_free(ftp->session);
ftp->session = NULL;
return -1;
}
args->argc = argc;
args_destroy(args);
}
/* set host name */
ssh_options_set(ftp->session, SSH_OPTIONS_HOST, urlp->hostname);
/* if we have port use that one */
if (urlp->port > 0)
ssh_options_set(ftp->session, SSH_OPTIONS_PORT, &urlp->port);
/* parse .ssh/config */
int r = ssh_options_parse_config(ftp->session, NULL);
if (r != SSH_OK)
{
ftp_err(_("Failed to parse ssh config: %s\n"), ssh_get_error(ftp->session));
ssh_free(ftp->session);
ftp->session = NULL;
return r;
}
/* if we have username use that one */
if (urlp->username)
ssh_options_set(ftp->session, SSH_OPTIONS_USER, urlp->username);
/* connect to server */
r = ssh_connect(ftp->session);
if (r != SSH_OK)
{
ftp_err(_("Couldn't initialise connection to server: %s\n"), ssh_get_error(ftp->session));
ssh_free(ftp->session);
ftp->session = NULL;
return r;
}
/* verify server */
if (verify_knownhost(ftp->session))
{
ssh_disconnect(ftp->session);
ssh_free(ftp->session);
ftp->session = NULL;
return -1;
}
/* authenticate user */
r = test_several_auth_methods(ftp->session, urlp);
if (r != SSH_OK)
{
ftp_err(_("Authentication failed: %s\n"), ssh_get_error(ftp->session));
ssh_disconnect(ftp->session);
ssh_free(ftp->session);
ftp->session = NULL;
return -1;
}
ftp->ssh_version = ssh_get_version(ftp->session);
if (!ftp->ssh_version) {
ftp_err(_("Couldn't initialise connection to server\n"));
return -1;
}
ftp->sftp_session = sftp_new(ftp->session);
if (!ftp->sftp_session)
{
ftp_err(_("Couldn't initialise ftp subsystem: %s\n"), ssh_get_error(ftp->session));
ssh_disconnect(ftp->session);
ssh_free(ftp->session);
ftp->session = NULL;
return -1;
}
r = sftp_init(ftp->sftp_session);
if (r != SSH_OK)
{
ftp_err(_("Couldn't initialise ftp subsystem: %s\n"), ssh_get_error(ftp->sftp_session));
sftp_free(ftp->sftp_session);
ftp->sftp_session = NULL;
ssh_disconnect(ftp->session);
ssh_free(ftp->session);
ftp->session = NULL;
return r;
}
ftp->connected = true;
ftp->loggedin = true;
free(ftp->homedir);
ftp->homedir = ftp_getcurdir();
url_destroy(ftp->url);
ftp->url = url_clone(urlp);
free(ftp->curdir);
ftp->curdir = xstrdup(ftp->homedir);
free(ftp->prevdir);
ftp->prevdir = xstrdup(ftp->homedir);
if (ftp->url->directory)
ftp_chdir(ftp->url->directory);
ftp_get_feat();
return 0;
}
static void do_sftp(ssh_session session)
{
sftp_session sftp=sftp_new(session);
sftp_dir dir;
sftp_attributes file;
char datex[11];
time_t atime=0;
#ifdef WIN32
struct tm *mytime=NULL;
int x=0;
#endif
if(!sftp)
{
prterr("sftp error initialising channel: %s\n",ssh_get_error(session));
return;
}
if(sftp_init(sftp))
{
prterr("error initializing sftp: %s\n",ssh_get_error(session));
return;
}
dir=sftp_opendir(sftp,docfolder);
if(!dir)
{
prterr("Directory not opened(%s)\n", ssh_get_error(session));
return;
}
/* reading the whole directory, file by file */
while((file=sftp_readdir(sftp,dir)))
{
if(strncmp(file->name,".",1))
{
if(details==FALSE)
{
fprintf(stdout,"%s\r\n",file->name);
} else {
#ifndef WIN32
#ifdef _POSIX_SOURCE
atime=file->atime;
strftime(datex,11,"%m/%d/%Y",localtime(&atime));
#else
ascftime(datex,"%m/%d/%Y",localtime(&file->atime));
#endif /* _POSIX_SOURCE */
#else /* WIN32 */
mytime=localctime(&file->atime);
x=mytime->tm_year;
while(x>=200) x-=100;
sprintf(datex,"%02d/%02d/%04d",mytime->tm_mon+1,mytime->tm_mday,1900+my_time->tm_year);
#endif
fprintf(stdout,"%s\t%llu\t%s\r\n",file->name,(long long unsigned int) file->size,datex);
}
}
if(diagapps)
{
prterr("%30s(%.8o) : %s(%.5d) %s(%.5d) : %.10llu bytes\n",
file->name,
file->permissions,
file->owner,
file->uid,
file->group,
file->gid,
(long long unsigned int) file->size);
}
sftp_attributes_free(file);
}
/* when file=NULL, an error has occured OR the directory listing is end of file */
if(!sftp_dir_eof(dir))
{
prterr("Error: %s\n", ssh_get_error(session));
return;
}
if(sftp_closedir(dir))
{
prterr("Error: %s\n", ssh_get_error(session));
return;
}
sftp_free(sftp);
}
static int sftp_list_file(ssh_session session,char *remote_dir,char *remote_file)
{
sftp_attributes file;
char datex[22];
char mtemp[1024];
time_t mtime=0;
#ifdef WIN32
struct tm *mytime=NULL;
int x=0;
#endif
sftp_session sftp=sftp_new(session);
if(!sftp)
{
prterr("sftp error initialising channel: %s\n",ssh_get_error(session));
return(1);
}
if(sftp_init(sftp))
{
prterr("error initializing sftp: %s\n",ssh_get_error(session));
return(1);
}
memset(datex,0,22);
memset(mtemp,0,1024);
if(isEMPTY(remote_dir) || !RDAstrcmp(remote_dir,"\"\""))
{
sprintf(mtemp,"%s",remote_file);
} else {
sprintf(mtemp,"%s/%s",remote_dir,remote_file);
}
file=sftp_stat(sftp,mtemp);
if(file==NULL)
{
/* when file=NULL, an error has occured OR the directory listing is end of file */
prterr("Error getting file info for [%s]",mtemp);
sftp_free(sftp);
return(1);
}else{
#ifndef WIN32
#ifdef _POSIX_SOURCE
mtime=file->mtime;
//strftime(datex,22,"%b %d %Y %l:%M %p",localtime(&file->mtime));
strftime(datex,22,"%b %d %Y %l:%M %p",localtime(&mtime));
#else
TRACE;
ascftime(datex,"%b %d %Y %l:%M %p",localtime(&file->mtime));
#endif /* _POSIX_SOURCE */
#else /* WIN32 */
TRACE;
mytime=localctime(&file->mtime);
x=mytime->tm_year;
while(x>=200) x-=100;
sprintf(datex,"%02d/%02d/%04d ",mytime->tm_mon+1,mytime->tm_mday,1900+my_time->tm_year);
#endif
fprintf(stdout,"%s\t\t%llu\t\t%s\r\n",remote_file,(long long unsigned int) file->size,datex);
if(diagapps)
{
prterr("\"%30s\"(%.8o) : %s(%.5d) %s(%.5d) : %.10llu bytes %.10llu\n",
file->name,
file->permissions,
file->owner,
file->uid,
file->group,
file->gid,
(long long unsigned int) file->size,
(long long unsigned int) file->mtime);
}
sftp_attributes_free(file);
}
sftp_free(sftp);
return(0);
}
static void do_sftp(ssh_session session){
sftp_session sftp=sftp_new(session);
sftp_dir dir;
sftp_attributes file;
sftp_statvfs_t sftpstatvfs;
struct statvfs sysstatvfs;
sftp_file fichier;
sftp_file to;
int len=1;
unsigned int i;
char data[DATALEN]={0};
char *lnk;
unsigned int count;
if(!sftp){
fprintf(stderr, "sftp error initialising channel: %s\n",
ssh_get_error(session));
return;
}
if(sftp_init(sftp)){
fprintf(stderr, "error initialising sftp: %s\n",
ssh_get_error(session));
return;
}
printf("Additional SFTP extensions provided by the server:\n");
count = sftp_extensions_get_count(sftp);
for (i = 0; i < count; i++) {
printf("\t%s, version: %s\n",
sftp_extensions_get_name(sftp, i),
sftp_extensions_get_data(sftp, i));
}
/* test symlink and readlink */
if (sftp_symlink(sftp, "/tmp/this_is_the_link",
"/tmp/sftp_symlink_test") < 0) {
fprintf(stderr, "Could not create link (%s)\n", ssh_get_error(session));
return;
}
lnk = sftp_readlink(sftp, "/tmp/sftp_symlink_test");
if (lnk == NULL) {
fprintf(stderr, "Could not read link (%s)\n", ssh_get_error(session));
return;
}
printf("readlink /tmp/sftp_symlink_test: %s\n", lnk);
sftp_unlink(sftp, "/tmp/sftp_symlink_test");
if (sftp_extension_supported(sftp, "*****@*****.**", "2")) {
sftpstatvfs = sftp_statvfs(sftp, "/tmp");
if (sftpstatvfs == NULL) {
fprintf(stderr, "statvfs failed (%s)\n", ssh_get_error(session));
return;
}
printf("sftp statvfs:\n"
"\tfile system block size: %llu\n"
"\tfundamental fs block size: %llu\n"
"\tnumber of blocks (unit f_frsize): %llu\n"
"\tfree blocks in file system: %llu\n"
"\tfree blocks for non-root: %llu\n"
"\ttotal file inodes: %llu\n"
"\tfree file inodes: %llu\n"
"\tfree file inodes for to non-root: %llu\n"
"\tfile system id: %llu\n"
"\tbit mask of f_flag values: %llu\n"
"\tmaximum filename length: %llu\n",
(unsigned long long) sftpstatvfs->f_bsize,
(unsigned long long) sftpstatvfs->f_frsize,
(unsigned long long) sftpstatvfs->f_blocks,
(unsigned long long) sftpstatvfs->f_bfree,
(unsigned long long) sftpstatvfs->f_bavail,
(unsigned long long) sftpstatvfs->f_files,
(unsigned long long) sftpstatvfs->f_ffree,
(unsigned long long) sftpstatvfs->f_favail,
(unsigned long long) sftpstatvfs->f_fsid,
(unsigned long long) sftpstatvfs->f_flag,
(unsigned long long) sftpstatvfs->f_namemax);
sftp_statvfs_free(sftpstatvfs);
if (statvfs("/tmp", &sysstatvfs) < 0) {
fprintf(stderr, "statvfs failed (%s)\n", strerror(errno));
return;
}
printf("sys statvfs:\n"
"\tfile system block size: %llu\n"
"\tfundamental fs block size: %llu\n"
"\tnumber of blocks (unit f_frsize): %llu\n"
"\tfree blocks in file system: %llu\n"
"\tfree blocks for non-root: %llu\n"
"\ttotal file inodes: %llu\n"
"\tfree file inodes: %llu\n"
"\tfree file inodes for to non-root: %llu\n"
"\tfile system id: %llu\n"
"\tbit mask of f_flag values: %llu\n"
"\tmaximum filename length: %llu\n",
(unsigned long long) sysstatvfs.f_bsize,
(unsigned long long) sysstatvfs.f_frsize,
(unsigned long long) sysstatvfs.f_blocks,
(unsigned long long) sysstatvfs.f_bfree,
(unsigned long long) sysstatvfs.f_bavail,
(unsigned long long) sysstatvfs.f_files,
(unsigned long long) sysstatvfs.f_ffree,
(unsigned long long) sysstatvfs.f_favail,
(unsigned long long) sysstatvfs.f_fsid,
(unsigned long long) sysstatvfs.f_flag,
(unsigned long long) sysstatvfs.f_namemax);
}
/* the connection is made */
/* opening a directory */
dir=sftp_opendir(sftp,"./");
if(!dir) {
fprintf(stderr, "Directory not opened(%s)\n", ssh_get_error(session));
return ;
}
/* reading the whole directory, file by file */
while((file=sftp_readdir(sftp,dir))){
fprintf(stderr, "%30s(%.8o) : %s(%.5d) %s(%.5d) : %.10llu bytes\n",
file->name,
file->permissions,
file->owner,
file->uid,
file->group,
file->gid,
(long long unsigned int) file->size);
sftp_attributes_free(file);
}
/* when file=NULL, an error has occured OR the directory listing is end of file */
if(!sftp_dir_eof(dir)){
fprintf(stderr, "Error: %s\n", ssh_get_error(session));
return;
}
if(sftp_closedir(dir)){
fprintf(stderr, "Error: %s\n", ssh_get_error(session));
return;
}
/* this will open a file and copy it into your /home directory */
/* the small buffer size was intended to stress the library. of course, you can use a buffer till 20kbytes without problem */
fichier=sftp_open(sftp,"/usr/bin/ssh",O_RDONLY, 0);
if(!fichier){
fprintf(stderr, "Error opening /usr/bin/ssh: %s\n",
ssh_get_error(session));
return;
}
/* open a file for writing... */
to=sftp_open(sftp,"ssh-copy",O_WRONLY | O_CREAT, 0700);
if(!to){
fprintf(stderr, "Error opening ssh-copy for writing: %s\n",
ssh_get_error(session));
return;
}
while((len=sftp_read(fichier,data,4096)) > 0){
if(sftp_write(to,data,len)!=len){
fprintf(stderr, "Error writing %d bytes: %s\n",
len, ssh_get_error(session));
return;
}
}
printf("finished\n");
if(len<0)
fprintf(stderr, "Error reading file: %s\n", ssh_get_error(session));
sftp_close(fichier);
sftp_close(to);
printf("fichiers ferm\n");
to=sftp_open(sftp,"/tmp/grosfichier",O_WRONLY|O_CREAT, 0644);
for(i=0;i<1000;++i){
len=sftp_write(to,data,DATALEN);
printf("wrote %d bytes\n",len);
if(len != DATALEN){
printf("chunk %d : %d (%s)\n",i,len,ssh_get_error(session));
}
}
sftp_close(to);
/* close the sftp session */
sftp_free(sftp);
printf("sftp session terminated\n");
}
int FSSftp::CheckSession( int* err, FSCInfo* info )
{
if ( sshSession ) { return 0; }
try
{
sshSession = ssh_new();
if ( !sshSession ) { throw int( SSH_INTERROR_X3 ); }
if ( ssh_options_set( sshSession, SSH_OPTIONS_HOST, unicode_to_utf8( _operParam.server.Data() ).ptr() ) )
{
throw int( SSH_INTERROR_X3 );
}
int port = _operParam.port;
if ( ssh_options_set( sshSession, SSH_OPTIONS_PORT, &port ) )
{
throw int( SSH_INTERROR_X3 );
}
FSString userName = "";
if ( _operParam.user.Data()[0] )
{
userName = _operParam.user.Data();
}
else
{
char* ret = getenv( "LOGNAME" );
if ( ret )
{
userName = FSString( sys_charset_id, ret );
_operParam.user = userName.GetUnicode();
MutexLock infoLock( &infoMutex );
_infoParam.user = userName.GetUnicode();
}
};
if ( ssh_options_set( sshSession, SSH_OPTIONS_USER, ( char* )userName.Get( _operParam.charset ) ) ) //есть сомнения, что надо все таки в utf8
{
throw int( SSH_INTERROR_X3 );
}
if ( ssh_connect( sshSession ) != SSH_OK )
{
throw int( SSH_INTERROR_CONNECT );
}
int method = ssh_userauth_list( sshSession, 0 );
int ret;
static unicode_t userSymbol = '@';
if ( method & SSH_AUTH_METHOD_PASSWORD )
{
FSPromptData data;
data.visible = false;
data.prompt = utf8_to_unicode( "Password:"******"SFTP_" ).ptr(),
carray_cat<unicode_t>( userName.GetUnicode(), &userSymbol, _operParam.server.Data() ).ptr(),
&data, 1 ) ) { throw int( SSH_INTERROR_STOPPED ); }
ret = ssh_userauth_password( sshSession,
( char* )FSString( _operParam.user.Data() ).Get( _operParam.charset ),
( char* )FSString( data.prompt.Data() ).Get( _operParam.charset ) );
}
if ( ret != SSH_AUTH_SUCCESS &&
( method & SSH_AUTH_METHOD_INTERACTIVE ) != 0 )
{
while ( true )
{
ret = ssh_userauth_kbdint( sshSession, 0, 0 );
if ( ret != SSH_AUTH_INFO ) { break; }
const char* instruction = ssh_userauth_kbdint_getinstruction( sshSession );
if ( !instruction ) { instruction = ""; }
int n = ssh_userauth_kbdint_getnprompts( sshSession );
if ( n <= 0 ) { continue; }
std::vector<FSPromptData> pData( n );
int i;
for ( i = 0; i < n; i++ )
{
char echo;
const char* prompt = ssh_userauth_kbdint_getprompt( sshSession, i, &echo );
if ( !prompt ) { break; }
pData[i].visible = echo != 0;
pData[i].prompt = utf8_to_unicode( prompt ).ptr();
}
if ( !info ) { throw int( SSH_INTERROR_AUTH ); }
if ( !info->Prompt(
utf8_to_unicode( "SFTP" ).ptr(),
carray_cat<unicode_t>( userName.GetUnicode(), &userSymbol, _operParam.server.Data() ).ptr(),
pData.ptr(), n ) ) { throw int( SSH_INTERROR_STOPPED ); }
for ( i = 0; i < n; i++ )
{
if ( ssh_userauth_kbdint_setanswer( sshSession, i, ( char* )FSString( pData[i].prompt.Data() ).Get( _operParam.charset ) ) < 0 )
{
throw int( SSH_INTERROR_AUTH );
}
}
}
}
if ( ret != SSH_AUTH_SUCCESS )
{
if ( ret == SSH_AUTH_PARTIAL )
{
throw int( SSH_INTERROR_UNSUPPORTED_AUTH );
}
else
{
throw int( SSH_INTERROR_AUTH );
}
}
sftpSession = sftp_new( sshSession );
if ( !sftpSession ) { throw int( SSH_INTERROR_FATAL ); }
if ( sftp_init( sftpSession ) != SSH_OK ) { throw int( SSH_INTERROR_FATAL ); }
}
catch ( int e )
{
if ( err ) { *err = e; }
if ( sftpSession ) { sftp_free( sftpSession ); }
if ( sshSession ) { ssh_free( sshSession ); }
sshSession = 0;
sftpSession = 0;
return ( e == SSH_INTERROR_STOPPED ) ? -2 : -1;
}
return 0;
}
