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|
/*****************************************************************************/
/* fsp.c - functions interfacing with FSP v2 protocol library */
/* Copyright (C) 1998-2007 Brian Masney <masneyb@gftp.org> */
/* Copyright (C) 2004 Radim Kolar <hsn@netmag.cz> */
/* */
/* 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 */
/* the Free Software Foundation; either version 2 of the License, or */
/* (at your option) any later version. */
/* */
/* This program is distributed in the hope that it will be useful, */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
/* GNU General Public License for more details. */
/* */
/* You should have received a copy of the GNU General Public License */
/* along with this program; if not, write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111 USA */
/*****************************************************************************/
#include "gftp.h"
static const char cvsid[] = "$Id: fsp.c 903 2007-03-16 02:44:07Z masneyb $";
#define FSP_USE_SHAREMEM_AND_SEMOP 1
#include "fsplib/fsplib.h"
#include "fsplib/lock.h"
typedef struct fsp_protocol_data_tag
{
FSP_SESSION *fsp;
FSP_DIR *dir;
FSP_FILE *file;
} fsp_protocol_data;
static void
fsp_destroy (gftp_request * request)
{
g_return_if_fail (request != NULL);
g_return_if_fail (request->protonum == GFTP_FSP_NUM);
}
static int
fsp_connect (gftp_request * request)
{
fsp_protocol_data * lpd;
intptr_t network_timeout;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
if(! request->port)
request->port = gftp_protocol_default_port (request);
lpd = request->protocol_data;
lpd->fsp=fsp_open_session(request->hostname, request->port, request->password);
if(lpd->fsp == NULL)
return (GFTP_ERETRYABLE);
/* set up network timeout */
gftp_lookup_request_option (request, "network_timeout", &network_timeout);
lpd->fsp->timeout=1000*network_timeout;
if (!request->directory)
request->directory = g_strdup ("/");
request->datafd = lpd->fsp->fd;
return (0);
}
static void
fsp_disconnect (gftp_request * request)
{
fsp_protocol_data * lpd;
g_return_if_fail (request != NULL);
g_return_if_fail (request->protonum == GFTP_FSP_NUM);
lpd = request->protocol_data;
g_return_if_fail (lpd != NULL);
if(lpd->file)
{
fsp_fclose(lpd->file);
lpd->file=NULL;
}
fsp_close_session(lpd->fsp);
lpd->fsp=NULL;
request->datafd = -1;
if(lpd->dir)
{
fsp_closedir(lpd->dir);
lpd->dir=NULL;
}
}
static off_t
fsp_get_file (gftp_request * request, const char *filename,
off_t startsize)
{
fsp_protocol_data * lpd;
struct stat sb;
g_return_val_if_fail (request != NULL,GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM,GFTP_EFATAL);
g_return_val_if_fail (filename != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL,GFTP_EFATAL);
g_return_val_if_fail (lpd->fsp != NULL,GFTP_EFATAL);
/* CHECK: close prev. opened file, is this needed? */
if(lpd->file != NULL)
{
fsp_fclose(lpd->file);
lpd->file=NULL;
}
if(fsp_stat(lpd->fsp,filename,&sb))
return (GFTP_ERETRYABLE);
if(!S_ISREG(sb.st_mode))
return (GFTP_ERETRYABLE);
lpd->file=fsp_fopen(lpd->fsp,filename,"rb");
if (fsp_fseek (lpd->file, startsize, SEEK_SET) == -1)
{
request->logging_function (gftp_logging_error, request,
_("Error: Cannot seek on file %s: %s\n"),
filename, g_strerror (errno));
gftp_disconnect (request);
return (GFTP_ERETRYABLE);
}
return (sb.st_size);
}
static ssize_t fsp_read_function(gftp_request *request, void *buf, size_t size,int fd)
{
fsp_protocol_data * lpd;
g_return_val_if_fail (request != NULL, -1);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, -1);
g_return_val_if_fail (buf != NULL, -1);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL, -1);
g_return_val_if_fail (lpd->file != NULL, -1);
return fsp_fread(buf,1,size,lpd->file);
}
static ssize_t fsp_write_function(gftp_request *request, const char *buf, size_t size,int fd)
{
fsp_protocol_data * lpd;
g_return_val_if_fail (request != NULL, -1);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, -1);
g_return_val_if_fail (buf != NULL, -1);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL, -1);
g_return_val_if_fail (lpd->file != NULL, -1);
return fsp_fwrite(buf,1,size,lpd->file);
}
static int
fsp_put_file (gftp_request * request, const char *filename,
off_t startsize, off_t totalsize)
{
fsp_protocol_data * lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
g_return_val_if_fail (filename != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL,GFTP_EFATAL);
g_return_val_if_fail (lpd->fsp != NULL,GFTP_EFATAL);
if(lpd->file != NULL)
{
fsp_fclose(lpd->file);
lpd->file=NULL;
}
if(fsp_canupload(lpd->fsp,filename))
{
request->logging_function (gftp_logging_error, request,
_("Error: Cannot upload file %s\n"),
filename );
return (GFTP_ERETRYABLE);
}
lpd->file=fsp_fopen(lpd->fsp,filename, "wb");
if(lpd->file == NULL)
{
request->logging_function (gftp_logging_error, request,
_("Error: Cannot write to file %s: %s\n"),
filename, g_strerror (errno));
return (GFTP_ERETRYABLE);
}
if (fsp_fseek (lpd->file, startsize, SEEK_SET) == -1)
{
request->logging_function (gftp_logging_error, request,
_("Error: Cannot seek on file %s: %s\n"),
filename, g_strerror (errno));
gftp_disconnect (request);
return (GFTP_ERETRYABLE);
}
return (0);
}
static int
fsp_end_transfer (gftp_request * request)
{
fsp_protocol_data * lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd->fsp != NULL, GFTP_EFATAL);
if (lpd->dir)
{
fsp_closedir (lpd->dir);
lpd->dir = NULL;
}
if (lpd ->file)
{
if(fsp_fclose(lpd->file))
{
lpd -> file = NULL;
request->logging_function (gftp_logging_error, request,
_("Error: Error closing file: %s\n"),
g_strerror (errno));
return GFTP_EFATAL;
}
lpd->file=NULL;
}
return (0);
}
static int
fsp_abort_transfer (gftp_request * request)
{
fsp_protocol_data * lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd->fsp != NULL, GFTP_EFATAL);
if (lpd->dir)
{
fsp_closedir (lpd->dir);
lpd->dir = NULL;
}
if (lpd ->file)
{
if(lpd->file->writing && lpd->file->pos>0)
{
/* need to cancel upload in progress */
lpd->file->writing=0;
fsp_install(lpd->fsp,"",0);
}
/* we can safely ignore file close error on abort */
fsp_fclose(lpd->file);
lpd->file=NULL;
}
return (0);
}
static int
fsp_stat_filename (gftp_request * request, const char *filename,
mode_t * mode, off_t * filesize)
{
fsp_protocol_data * lpd;
struct stat st;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
g_return_val_if_fail (filename != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd->fsp != NULL, GFTP_EFATAL);
if (fsp_stat (lpd->fsp,filename, &st) != 0)
return (GFTP_ERETRYABLE);
*mode = st.st_mode;
*filesize = st.st_size;
return (0);
}
static int
fsp_get_next_file (gftp_request * request, gftp_file * fle, int fd)
{
fsp_protocol_data *lpd;
struct FSP_RDENTRY dirent;
struct FSP_RDENTRY *result;
char *symlink;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
g_return_val_if_fail (fle != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL, GFTP_EFATAL);
memset (fle, 0, sizeof (*fle));
result=&dirent;
if ( fsp_readdir_native (lpd->dir,&dirent,&result))
{
fsp_closedir (lpd->dir);
lpd->dir = NULL;
request->logging_function (gftp_logging_error, request,
_("Corrupted file listing from FSP server %s\n"),
request->directory );
return (GFTP_EFATAL);
}
if ( result == NULL)
{
fsp_closedir (lpd->dir);
lpd->dir = NULL;
return 0;
}
fle->user = g_strdup (_("unknown"));
fle->group = g_strdup (_("unknown"));
/* turn FSP symlink into normal file */
symlink=strchr(dirent.name,'\n');
if (symlink)
*symlink='\0';
fle->file = g_strdup (dirent.name);
if (dirent.type==FSP_RDTYPE_DIR)
fle->st_mode = S_IFDIR | 0755;
else
fle->st_mode = S_IFREG | 0644;
fle->datetime = dirent.lastmod;
fle->size = dirent.size;
return (1);
}
static int
fsp_list_files (gftp_request * request)
{
fsp_protocol_data *lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->directory != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL, GFTP_EFATAL);
if (request->directory == NULL)
{
request->directory = g_strdup("/");
}
if ((lpd->dir = fsp_opendir (lpd->fsp,request->directory)) == NULL)
{
request->logging_function (gftp_logging_error, request,
_("Could not get FSP directory listing %s: %s\n"),
request->directory, g_strerror (errno));
return (GFTP_ERETRYABLE);
}
return (0);
}
static off_t
fsp_get_file_size (gftp_request * request, const char *filename)
{
struct stat st;
fsp_protocol_data * lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
g_return_val_if_fail (filename != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd->fsp != NULL, GFTP_EFATAL);
if (fsp_stat (lpd->fsp,filename, &st) != 0)
return (GFTP_ERETRYABLE);
return (st.st_size);
}
static int
fsp_chdir (gftp_request * request, const char *directory)
{
fsp_protocol_data *lpd;
char *tempstr, *olddir;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
g_return_val_if_fail (directory != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL, GFTP_EFATAL);
g_return_val_if_fail (lpd->fsp != NULL, GFTP_EFATAL);
olddir=NULL;
/* build new directory string */
olddir = request->directory;
if (*directory != '/' && request->directory != NULL)
{
tempstr = g_strconcat (request->directory, "/", directory, NULL);
request->directory = gftp_expand_path (request, tempstr);
g_free (tempstr);
}
else
request->directory = gftp_expand_path (request, directory);
if (fsp_getpro (lpd->fsp,request->directory,NULL) == 0)
{
request->logging_function (gftp_logging_misc, request,
_("Successfully changed directory to %s\n"),
directory);
if (olddir != NULL)
g_free (olddir);
return (0);
}
else
{
request->logging_function (gftp_logging_error, request,
_("Could not change directory to %s\n"),
directory);
g_free (request->directory);
request->directory = olddir;
return (GFTP_ERETRYABLE);
}
}
static int
fsp_removedir (gftp_request * request, const char *directory)
{
fsp_protocol_data *lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
g_return_val_if_fail (directory != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL, GFTP_EFATAL);
g_return_val_if_fail (lpd->fsp != NULL, GFTP_EFATAL);
if (fsp_rmdir (lpd->fsp,directory) == 0)
{
request->logging_function (gftp_logging_misc, request,
_("Successfully removed %s\n"), directory);
return (0);
}
else
{
request->logging_function (gftp_logging_error, request,
_("Error: Could not remove directory %s: %s\n"),
directory, g_strerror (errno));
return (GFTP_ERETRYABLE);
}
}
static int
fsp_rmfile (gftp_request * request, const char *file)
{
fsp_protocol_data *lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
g_return_val_if_fail (file != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL, GFTP_EFATAL);
g_return_val_if_fail (lpd->fsp != NULL, GFTP_EFATAL);
if (fsp_unlink (lpd->fsp,file) == 0)
{
request->logging_function (gftp_logging_misc, request,
_("Successfully removed %s\n"), file);
return (0);
}
else
{
request->logging_function (gftp_logging_error, request,
_("Error: Could not remove file %s: %s\n"),
file, g_strerror (errno));
return (GFTP_ERETRYABLE);
}
}
static int
fsp_makedir (gftp_request * request, const char *directory)
{
fsp_protocol_data *lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
g_return_val_if_fail (directory != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL, GFTP_EFATAL);
g_return_val_if_fail (lpd->fsp != NULL, GFTP_EFATAL);
if (fsp_mkdir (lpd->fsp,directory) == 0)
{
request->logging_function (gftp_logging_misc, request,
_("Successfully made directory %s\n"),
directory);
return (0);
}
else
{
request->logging_function (gftp_logging_error, request,
_("Error: Could not make directory %s: %s\n"),
directory, g_strerror (errno));
return (GFTP_ERETRYABLE);
}
}
static int
fsp_ren (gftp_request * request, const char *oldname,
const char *newname)
{
char *newname1,*newname2;
fsp_protocol_data *lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
g_return_val_if_fail (request->protonum == GFTP_FSP_NUM, GFTP_EFATAL);
g_return_val_if_fail (oldname != NULL, GFTP_EFATAL);
g_return_val_if_fail (newname != NULL, GFTP_EFATAL);
lpd = request->protocol_data;
g_return_val_if_fail (lpd != NULL, GFTP_EFATAL);
g_return_val_if_fail (lpd->fsp != NULL, GFTP_EFATAL);
newname1= g_strconcat (request->directory, "/", oldname, NULL);
newname2= g_strconcat (request->directory, "/", newname, NULL);
if (fsp_rename (lpd->fsp,newname1, newname2) == 0)
{
request->logging_function (gftp_logging_misc, request,
_("Successfully renamed %s to %s\n"),
oldname, newname);
g_free(newname1);
g_free(newname2);
return (0);
}
else
{
g_free(newname1);
g_free(newname2);
request->logging_function (gftp_logging_error, request,
_("Error: Could not rename %s to %s: %s\n"),
oldname, newname, g_strerror (errno));
return (GFTP_ERETRYABLE);
}
}
/* TODO: FSP needs to know file last modification time while starting
upload. It can not change last mod time of existing files on server.
*/
void
fsp_register_module (void)
{
}
int
fsp_init (gftp_request * request)
{
fsp_protocol_data *lpd;
g_return_val_if_fail (request != NULL, GFTP_EFATAL);
request->protonum = GFTP_FSP_NUM;
request->init = fsp_init;
request->copy_param_options = NULL;
request->destroy = fsp_destroy;
request->read_function = fsp_read_function;
request->write_function = fsp_write_function;
request->connect = fsp_connect;
request->post_connect = NULL;
request->disconnect = fsp_disconnect;
request->get_file = fsp_get_file;
request->put_file = fsp_put_file;
request->transfer_file = NULL;
request->get_next_file_chunk = NULL;
request->put_next_file_chunk = NULL;
request->end_transfer = fsp_end_transfer;
request->abort_transfer = fsp_abort_transfer;
request->stat_filename = fsp_stat_filename;
request->list_files = fsp_list_files;
request->get_next_file = fsp_get_next_file;
request->get_next_dirlist_line = NULL;
request->get_file_size = fsp_get_file_size;
request->chdir = fsp_chdir;
request->rmdir = fsp_removedir;
request->rmfile = fsp_rmfile;
request->mkdir = fsp_makedir;
request->rename = fsp_ren;
request->chmod = NULL;
request->set_file_time = NULL;
request->site = NULL;
request->parse_url = NULL;
request->set_config_options = NULL;
request->swap_socks = NULL;
request->url_prefix = "fsp";
request->need_hostport = 1;
request->need_username = 0;
request->need_password = 0;
request->use_cache = 1;
request->always_connected = 0;
request->use_local_encoding = 0;
lpd = g_malloc0 (sizeof (*lpd));
request->protocol_data = lpd;
return (gftp_set_config_options (request));
}
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