[BusyBox-cvs] busybox/networking ftpgetput.c,NONE,1.1 Config.in,1.4,1.5 Makefile.in,1.10,1.11
Glenn McGrath
bug1 at busybox.net
Fri Dec 13 02:43:54 UTC 2002
Update of /var/cvs/busybox/networking
In directory winder:/tmp/cvs-serv18865/networking
Modified Files:
Config.in Makefile.in
Added Files:
ftpgetput.c
Log Message:
New applets, ftpget and ftpput
--- NEW FILE: ftpgetput.c ---
/* vi: set sw=4 ts=4: */
/*
* ftpget
*
* Mini implementation of FTP to retrieve a remote file.
*
* Copyright (C) 2002 Jeff Angielski, The PTR Group <jeff at theptrgroup.com>
* Copyright (C) 2002 Glenn McGrath <bug1 at optushome.com.au>
*
* Based on wget.c by Chip Rosenthal Covad Communications
* <chip at laserlink.net>
*
* 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 02111-1307 USA
*
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <unistd.h>
#include <netinet/in.h>
#include <netdb.h>
#include "busybox.h"
typedef struct ftp_host_info_s {
char *host;
char *port;
char *user;
char *password;
} ftp_host_info_t;
static char verbose_flag;
static char do_continue = 0;
/* If chunksize == 0 read till end of file */
static int copyfd_chunk(int fd1, int fd2, off_t chunksize)
{
size_t nread;
size_t nwritten;
size_t size;
char buffer[BUFSIZ];
do {
if ((chunksize > BUFSIZ) || (chunksize == 0)) {
size = BUFSIZ;
} else {
size = chunksize;
}
nread = safe_read(fd1, buffer, size);
if (nread < 0) {
if (chunksize) {
perror_msg_and_die("read error");
} else {
return(0);
}
}
nwritten = full_write(fd2, buffer, nread);
if (nwritten != nread) {
error_msg_and_die("Unable to write all data");
}
if (chunksize) {
chunksize -= nwritten;
}
} while (chunksize);
return 0;
}
static ftp_host_info_t *ftp_init(void)
{
ftp_host_info_t *host;
host = xcalloc(1, sizeof(ftp_host_info_t));
/* Set the default port */
if (getservbyname("ftp", "tcp")) {
host->port = "ftp";
} else {
host->port = "21";
}
host->user = "anonymous";
host->password = "busybox@";
return(host);
}
static int ftpcmd(const char *s1, const char *s2, FILE *stream, char *buf)
{
if (verbose_flag) {
error_msg("cmd %s%s", s1, s2);
}
if (s1) {
if (s2) {
fprintf(stream, "%s%s\n", s1, s2);
} else {
fprintf(stream, "%s\n", s1);
}
}
do {
if (fgets(buf, 510, stream) == NULL) {
perror_msg_and_die("fgets()");
}
} while (! isdigit(buf[0]) || buf[3] != ' ');
return atoi(buf);
}
static int xconnect_ftpdata(const char *target_host, const char *buf)
{
char *buf_ptr;
char data_port[6];
unsigned short port_num;
buf_ptr = strrchr(buf, ',');
*buf_ptr = '\0';
port_num = atoi(buf_ptr + 1);
buf_ptr = strrchr(buf, ',');
*buf_ptr = '\0';
port_num += atoi(buf_ptr + 1) * 256;
sprintf(data_port, "%d", port_num);
return(xconnect(target_host, data_port));
}
static FILE *ftp_login(ftp_host_info_t *server)
{
FILE *control_stream;
char buf[512];
int control_fd;
/* Connect to the command socket */
control_fd = xconnect(server->host, server->port);
control_stream = fdopen(control_fd, "r+");
if (control_stream == NULL) {
perror_msg_and_die("Couldnt open control stream");
}
if (ftpcmd(NULL, NULL, control_stream, buf) != 220) {
error_msg_and_die("%s", buf + 4);
}
/* Login to the server */
switch (ftpcmd("USER ", server->user, control_stream, buf)) {
case 230:
break;
case 331:
if (ftpcmd("PASS ", server->password, control_stream, buf) != 230) {
error_msg_and_die("PASS error: %s", buf + 4);
}
break;
default:
error_msg_and_die("USER error: %s", buf + 4);
}
ftpcmd("TYPE I", NULL, control_stream, buf);
return(control_stream);
}
#ifdef CONFIG_FTPGET
static int ftp_recieve(FILE *control_stream, const char *host, const char *local_path, char *server_path)
{
char *filename;
char *local_file;
char buf[512];
off_t filesize = 0;
int fd_data;
int fd_local;
off_t beg_range = 0;
filename = get_last_path_component(server_path);
local_file = concat_path_file(local_path, filename);
/* Connect to the data socket */
if (ftpcmd("PASV", NULL, control_stream, buf) != 227) {
error_msg_and_die("PASV error: %s", buf + 4);
}
fd_data = xconnect_ftpdata(host, buf);
if (ftpcmd("SIZE ", server_path, control_stream, buf) == 213) {
filesize = atol(buf + 4);
}
/* only make a local file if we know that one exists on the remote server */
if (do_continue) {
fd_local = xopen(local_file, O_APPEND | O_WRONLY);
} else {
fd_local = xopen(local_file, O_CREAT | O_TRUNC | O_WRONLY);
}
if (do_continue) {
struct stat sbuf;
if (fstat(fd_local, &sbuf) < 0) {
perror_msg_and_die("fstat()");
}
if (sbuf.st_size > 0) {
beg_range = sbuf.st_size;
} else {
do_continue = 0;
}
}
if (do_continue) {
sprintf(buf, "REST %ld", beg_range);
if (ftpcmd(buf, NULL, control_stream, buf) != 350) {
do_continue = 0;
} else {
filesize -= beg_range;
}
}
if (ftpcmd("RETR ", server_path, control_stream, buf) > 150) {
error_msg_and_die("RETR error: %s", buf + 4);
}
/* Copy the file */
copyfd_chunk(fd_data, fd_local, filesize);
/* close it all down */
close(fd_data);
if (ftpcmd(NULL, NULL, control_stream, buf) != 226) {
error_msg_and_die("ftp error: %s", buf + 4);
}
ftpcmd("QUIT", NULL, control_stream, buf);
return(EXIT_SUCCESS);
}
#endif
#ifdef CONFIG_FTPPUT
static int ftp_send(FILE *control_stream, const char *host, const char *local_path, char *server_path)
{
struct stat sbuf;
char buf[512];
int fd_data;
int fd_local;
int response;
/* Connect to the data socket */
if (ftpcmd("PASV", NULL, control_stream, buf) != 227) {
error_msg_and_die("PASV error: %s", buf + 4);
}
fd_data = xconnect_ftpdata(host, buf);
if (ftpcmd("CWD ", server_path, control_stream, buf) != 250) {
error_msg_and_die("CWD error: %s", buf + 4);
}
/* get the local file */
fd_local = xopen(local_path, O_RDONLY);
fstat(fd_local, &sbuf);
sprintf(buf, "ALLO %lu", sbuf.st_size);
response = ftpcmd(buf, NULL, control_stream, buf);
switch (response) {
case 200:
case 202:
break;
default:
close(fd_local);
error_msg_and_die("ALLO error: %s", buf + 4);
break;
}
response = ftpcmd("STOR ", local_path, control_stream, buf);
switch (response) {
case 125:
case 150:
break;
default:
close(fd_local);
error_msg_and_die("STOR error: %s", buf + 4);
}
/* transfer the file */
copyfd_chunk(fd_local, fd_data, 0);
/* close it all down */
close(fd_data);
if (ftpcmd(NULL, NULL, control_stream, buf) != 226) {
error_msg_and_die("error: %s", buf + 4);
}
ftpcmd("QUIT", NULL, control_stream, buf);
return(EXIT_SUCCESS);
}
#endif
int ftpgetput_main(int argc, char **argv)
{
/* content-length of the file */
int option_index = -1;
int opt;
/* socket to ftp server */
FILE *control_stream;
/* continue a prev transfer (-c) */
ftp_host_info_t *server;
int (*ftp_action)(FILE *, const char *, const char *, char *) = NULL;
struct option long_options[] = {
{"username", 1, NULL, 'u'},
{"password", 1, NULL, 'p'},
{"port", 1, NULL, 'P'},
{"continue", 1, NULL, 'c'},
{"verbose", 0, NULL, 'v'},
{0, 0, 0, 0}
};
#ifdef CONFIG_FTPPUT
if (applet_name[3] == 'p') {
ftp_action = ftp_send;
}
#endif
#ifdef CONFIG_FTPGET
if (applet_name[3] == 'g') {
ftp_action = ftp_recieve;
}
#endif
/* Set default values */
server = ftp_init();
verbose_flag = 0;
/*
* Decipher the command line
*/
while ((opt = getopt_long(argc, argv, "u:p:P:cv", long_options, &option_index)) != EOF) {
switch(opt) {
case 'c':
do_continue = 1;
break;
case 'u':
server->user = optarg;
break;
case 'p':
server->password = optarg;
break;
case 'P':
server->port = optarg;
break;
case 'v':
verbose_flag = 1;
break;
default:
show_usage();
}
}
/*
* Process the non-option command line arguments
*/
if (argc - optind != 3) {
show_usage();
}
/* Connect/Setup/Configure the FTP session */
server->host = argv[optind];
control_stream = ftp_login(server);
return(ftp_action(control_stream, argv[optind], argv[optind + 1], argv[optind + 2]));
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/
Index: Config.in
===================================================================
RCS file: /var/cvs/busybox/networking/Config.in,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- Config.in 13 Dec 2002 00:01:44 -0000 1.4
+++ Config.in 13 Dec 2002 02:43:50 -0000 1.5
@@ -11,6 +11,18 @@
help
Please submit a patch to add help text for this item.
+config CONFIG_FTPGET
+ bool "ftpget"
+ default n
+ help
+ Retrieve a remote file via FTP.
+
+config CONFIG_FTPPUT
+ bool "ftpput"
+ default n
+ help
+ Store a remote file via FTP.
+
config CONFIG_HOSTNAME
bool "hostname"
default n
Index: Makefile.in
===================================================================
RCS file: /var/cvs/busybox/networking/Makefile.in,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -d -r1.10 -r1.11
--- Makefile.in 13 Dec 2002 00:01:44 -0000 1.10
+++ Makefile.in 13 Dec 2002 02:43:50 -0000 1.11
@@ -23,6 +23,8 @@
endif
NETWORKING-y:=
+NETWORKING-$(CONFIG_FTPGET) += ftpgetput.o
+NETWORKING-$(CONFIG_FTPPUT) += ftpgetput.o
NETWORKING-$(CONFIG_HOSTNAME) += hostname.o
NETWORKING-$(CONFIG_IFCONFIG) += ifconfig.o
NETWORKING-$(CONFIG_IFUPDOWN) += ifupdown.o
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