int FSSftp::Stat ( FSPath& path, FSStat* st, int* err, FSCInfo* info )
{
MutexLock lock( &mutex );
int ret = CheckSession( err, info );
if ( ret ) { return ret; }
char* fullPath = ( char* ) path.GetString( _operParam.charset );
sftp_attributes la = sftp_lstat( sftpSession, fullPath );
if ( !la )
{
if ( err ) { *err = sftp_get_error( sftpSession ); }
return -1;
}
if ( la->type == SSH_FILEXFER_TYPE_SYMLINK )
{
char* s = sftp_readlink( sftpSession, fullPath );
if ( s ) { st->link.Set( _operParam.charset, s ); }
sftp_attributes_free( la ); //!!!
}
else
{
st->mode = la->permissions;
st->size = la->size;
st->uid = la->uid;
st->gid = la->gid;
st->mtime = la->mtime;
sftp_attributes_free( la ); //!!!
return 0;
}
sftp_attributes a = sftp_stat( sftpSession, fullPath );
if ( !a )
{
if ( err ) { *err = sftp_get_error( sftpSession ); }
return -1;
}
st->mode = la->permissions;
st->size = la->size;
st->uid = la->uid;
st->gid = la->gid;
st->mtime = la->mtime;
sftp_attributes_free( a ); //!!!
return 0;
}
rdirectory *ssh_read_directory(const char *path)
{
char *p = ftp_path_absolute(path);
stripslash(p);
sftp_dir dir = sftp_opendir(ftp->sftp_session, p);
if (!dir)
{
free(p);
return 0;
}
ftp_trace("*** start parsing directory listing ***\n");
rdirectory* rdir = rdir_create();
sftp_attributes attrib = NULL;
while ((attrib = sftp_readdir(ftp->sftp_session, dir)) != NULL)
{
ftp_trace("%s\n", attrib->longname);
rfile* rf = rfile_create();
rf->perm = perm2string(attrib->permissions);
rf->nhl = 0; // atoi(e);
if (attrib->owner)
rf->owner = xstrdup(attrib->owner);
if (attrib->group)
rf->group = xstrdup(attrib->group);
if (asprintf(&rf->path, "%s/%s", p, attrib->name) == -1)
{
ftp_err(_("Failed to allocate memory.\n"));
sftp_closedir(dir);
free(p);
rdir_destroy(rdir);
rfile_destroy(rf);
}
rf->mtime = attrib->mtime;
rf->date = time_to_string(rf->mtime);
rf->size = attrib->size;
rfile_parse_colors(rf);
rf->link = NULL;
if (rislink(rf) && ftp->ssh_version > 2)
rf->link = sftp_readlink(ftp->sftp_session, rf->path);
list_additem(rdir->files, (void *)rf);
sftp_attributes_free(attrib);
}
ftp_trace("*** end parsing directory listing ***\n");
if (!sftp_dir_eof(dir))
{
ftp_err(_("Couldn't list directory: %s\n"), ssh_get_error(ftp->session));
sftp_closedir(dir);
free(p);
rdir_destroy(rdir);
return NULL;
}
sftp_closedir(dir);
rdir->path = p;
ftp_trace("added directory '%s' to cache\n", p);
list_additem(ftp->cache, rdir);
return rdir;
}
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::ReadDir ( FSList* list, FSPath& path, int* err, FSCInfo* info )
{
MutexLock lock( &mutex );
int ret = CheckSession( err, info );
if ( ret ) { return ret; }
if ( !list ) { return 0; }
list->Clear();
sftp_dir dir = sftp_opendir( sftpSession, ( char* )path.GetString( _operParam.charset ) );
if ( !dir )
{
if ( err ) { *err = sftp_get_error( sftpSession ); }
return -1;
}
try
{
while ( true )
{
if ( info && info->Stopped() )
{
sftp_closedir( dir );
return -2;
}
sftp_attributes attr = sftp_readdir( sftpSession, dir );
if ( !attr )
{
if ( sftp_dir_eof( dir ) ) { break; }
if ( err ) { *err = sftp_get_error( sftpSession ); }
return -1;
}
try
{
//skip . and ..
if ( !attr->name || attr->name[0] == '.' && ( !attr->name[1] || ( attr->name[1] == '.' && !attr->name[2] ) ) )
{
continue;
}
clPtr<FSNode> pNode = new FSNode();
pNode->name.Set( _operParam.charset, attr->name );
pNode->st.size = attr->size;
pNode->st.uid = attr->uid;
pNode->st.gid = attr->gid;
pNode->st.mtime = attr->mtime;
if ( attr->type == SSH_FILEXFER_TYPE_SYMLINK )
{
FSPath pt = path;
pt.Push( _operParam.charset, attr->name );
char* fullPath = ( char* )pt.GetString( _operParam.charset );
char* s = sftp_readlink( sftpSession, fullPath );
if ( s ) { pNode->st.link.Set( _operParam.charset, s ); }
sftp_attributes a = sftp_stat( sftpSession, fullPath );
if ( a )
{
pNode->st.mode = a->permissions;
pNode->st.mtime = a->mtime;
sftp_attributes_free( a );
}
else
{
pNode->st.mode = 0;
}
}
else
{
pNode->st.mode = attr->permissions;
}
list->Append( pNode );
sftp_attributes_free( attr );
}
catch ( ... )
{
sftp_attributes_free( attr );
throw;
}
};
sftp_closedir( dir );
}
catch ( ... )
{
sftp_closedir( dir );
throw;
}
return 0;
}
