New applets, ftpget and ftpput
This commit is contained in:
Glenn L McGrath
parent
f03c933e47
commit
02d7cbfe92
@ -200,6 +200,12 @@
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#ifdef CONFIG_FSCK_MINIX
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APPLET_ODDNAME("fsck.minix", fsck_minix_main, _BB_DIR_SBIN, _BB_SUID_NEVER, fsck_minix)
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#endif
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#ifdef CONFIG_FTPGET
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APPLET(ftpget, ftpgetput_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
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#endif
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#ifdef CONFIG_FTPPUT
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APPLET(ftpput, ftpgetput_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
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#endif
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#ifdef CONFIG_GETOPT
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APPLET(getopt, getopt_main, _BB_DIR_BIN, _BB_SUID_NEVER)
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#endif
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@ -602,6 +602,27 @@
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"\t-m\tActivates MINIX-like \"mode not cleared\" warnings\n" \
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"\t-f\tForce file system check."
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#define ftpget_trivial_usage \
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"[options] remote-host local-directory remote-file"
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#define ftpget_full_usage \
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"Retrieve a remote file via FTP.\n\n" \
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"Options:\n" \
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"\t-c, --continue Continue a previous transfer\n" \
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"\t-v, --verbose Verbose\n" \
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"\t-u, --username Username to be used\n" \
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"\t-p, --password Password to be used\n" \
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"\t-P, --port Port number to be used\n"
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#define ftpput_trivial_usage \
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"[options] remote-host remote-directory local-file"
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#define ftpput_full_usage \
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"Store a local file on a remote machine via FTP.\n\n" \
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"Options:\n" \
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"\t-v, --verbose Verbose\n" \
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"\t-u, --username Username to be used\n" \
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"\t-p, --password Password to be used\n" \
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"\t-P, --port Port number to be used\n"
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#define getopt_trivial_usage \
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"[OPTIONS]..."
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#define getopt_full_usage \
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@ -11,6 +11,18 @@ config CONFIG_FEATURE_IPV6
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help
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Please submit a patch to add help text for this item.
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config CONFIG_FTPGET
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bool "ftpget"
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default n
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help
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Retrieve a remote file via FTP.
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config CONFIG_FTPPUT
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bool "ftpput"
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default n
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help
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Store a remote file via FTP.
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config CONFIG_HOSTNAME
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bool "hostname"
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default n
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@ -23,6 +23,8 @@ NETWORKING_DIR:=$(TOPDIR)networking/
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endif
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NETWORKING-y:=
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NETWORKING-$(CONFIG_FTPGET) += ftpgetput.o
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NETWORKING-$(CONFIG_FTPPUT) += ftpgetput.o
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NETWORKING-$(CONFIG_HOSTNAME) += hostname.o
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NETWORKING-$(CONFIG_IFCONFIG) += ifconfig.o
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NETWORKING-$(CONFIG_IFUPDOWN) += ifupdown.o
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405
networking/ftpgetput.c
Normal file
405
networking/ftpgetput.c
Normal file
@ -0,0 +1,405 @@
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/* vi: set sw=4 ts=4: */
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/*
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* ftpget
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*
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* Mini implementation of FTP to retrieve a remote file.
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*
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* Copyright (C) 2002 Jeff Angielski, The PTR Group <jeff@theptrgroup.com>
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* Copyright (C) 2002 Glenn McGrath <bug1@optushome.com.au>
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*
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* Based on wget.c by Chip Rosenthal Covad Communications
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* <chip@laserlink.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <unistd.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include "busybox.h"
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typedef struct ftp_host_info_s {
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char *host;
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char *port;
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char *user;
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char *password;
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} ftp_host_info_t;
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static char verbose_flag;
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static char do_continue = 0;
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/* If chunksize == 0 read till end of file */
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static int copyfd_chunk(int fd1, int fd2, off_t chunksize)
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{
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size_t nread;
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size_t nwritten;
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size_t size;
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char buffer[BUFSIZ];
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do {
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if ((chunksize > BUFSIZ) || (chunksize == 0)) {
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size = BUFSIZ;
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} else {
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size = chunksize;
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}
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nread = safe_read(fd1, buffer, size);
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if (nread < 0) {
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if (chunksize) {
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perror_msg_and_die("read error");
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} else {
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return(0);
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}
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}
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nwritten = full_write(fd2, buffer, nread);
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if (nwritten != nread) {
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error_msg_and_die("Unable to write all data");
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}
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if (chunksize) {
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chunksize -= nwritten;
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}
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} while (chunksize);
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return 0;
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}
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static ftp_host_info_t *ftp_init(void)
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{
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ftp_host_info_t *host;
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host = xcalloc(1, sizeof(ftp_host_info_t));
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/* Set the default port */
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if (getservbyname("ftp", "tcp")) {
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host->port = "ftp";
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} else {
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host->port = "21";
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}
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host->user = "anonymous";
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host->password = "busybox@";
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return(host);
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}
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static int ftpcmd(const char *s1, const char *s2, FILE *stream, char *buf)
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{
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if (verbose_flag) {
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error_msg("cmd %s%s", s1, s2);
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}
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if (s1) {
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if (s2) {
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fprintf(stream, "%s%s\n", s1, s2);
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} else {
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fprintf(stream, "%s\n", s1);
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}
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}
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do {
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if (fgets(buf, 510, stream) == NULL) {
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perror_msg_and_die("fgets()");
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}
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} while (! isdigit(buf[0]) || buf[3] != ' ');
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return atoi(buf);
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}
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static int xconnect_ftpdata(const char *target_host, const char *buf)
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{
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char *buf_ptr;
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char data_port[6];
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unsigned short port_num;
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buf_ptr = strrchr(buf, ',');
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*buf_ptr = '\0';
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port_num = atoi(buf_ptr + 1);
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buf_ptr = strrchr(buf, ',');
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*buf_ptr = '\0';
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port_num += atoi(buf_ptr + 1) * 256;
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sprintf(data_port, "%d", port_num);
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return(xconnect(target_host, data_port));
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}
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static FILE *ftp_login(ftp_host_info_t *server)
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{
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FILE *control_stream;
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char buf[512];
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int control_fd;
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/* Connect to the command socket */
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control_fd = xconnect(server->host, server->port);
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control_stream = fdopen(control_fd, "r+");
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if (control_stream == NULL) {
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perror_msg_and_die("Couldnt open control stream");
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}
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if (ftpcmd(NULL, NULL, control_stream, buf) != 220) {
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error_msg_and_die("%s", buf + 4);
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}
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/* Login to the server */
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switch (ftpcmd("USER ", server->user, control_stream, buf)) {
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case 230:
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break;
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case 331:
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if (ftpcmd("PASS ", server->password, control_stream, buf) != 230) {
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error_msg_and_die("PASS error: %s", buf + 4);
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}
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break;
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default:
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error_msg_and_die("USER error: %s", buf + 4);
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}
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ftpcmd("TYPE I", NULL, control_stream, buf);
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return(control_stream);
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}
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#ifdef CONFIG_FTPGET
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static int ftp_recieve(FILE *control_stream, const char *host, const char *local_path, char *server_path)
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{
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char *filename;
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char *local_file;
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char buf[512];
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off_t filesize = 0;
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int fd_data;
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int fd_local;
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off_t beg_range = 0;
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filename = get_last_path_component(server_path);
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local_file = concat_path_file(local_path, filename);
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/* Connect to the data socket */
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if (ftpcmd("PASV", NULL, control_stream, buf) != 227) {
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error_msg_and_die("PASV error: %s", buf + 4);
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}
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fd_data = xconnect_ftpdata(host, buf);
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if (ftpcmd("SIZE ", server_path, control_stream, buf) == 213) {
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filesize = atol(buf + 4);
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}
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/* only make a local file if we know that one exists on the remote server */
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if (do_continue) {
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fd_local = xopen(local_file, O_APPEND | O_WRONLY);
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} else {
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fd_local = xopen(local_file, O_CREAT | O_TRUNC | O_WRONLY);
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}
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if (do_continue) {
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struct stat sbuf;
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if (fstat(fd_local, &sbuf) < 0) {
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perror_msg_and_die("fstat()");
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}
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if (sbuf.st_size > 0) {
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beg_range = sbuf.st_size;
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} else {
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do_continue = 0;
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}
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}
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if (do_continue) {
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sprintf(buf, "REST %ld", beg_range);
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if (ftpcmd(buf, NULL, control_stream, buf) != 350) {
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do_continue = 0;
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} else {
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filesize -= beg_range;
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}
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}
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if (ftpcmd("RETR ", server_path, control_stream, buf) > 150) {
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error_msg_and_die("RETR error: %s", buf + 4);
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}
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/* Copy the file */
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copyfd_chunk(fd_data, fd_local, filesize);
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/* close it all down */
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close(fd_data);
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if (ftpcmd(NULL, NULL, control_stream, buf) != 226) {
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error_msg_and_die("ftp error: %s", buf + 4);
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}
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ftpcmd("QUIT", NULL, control_stream, buf);
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return(EXIT_SUCCESS);
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}
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#endif
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#ifdef CONFIG_FTPPUT
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static int ftp_send(FILE *control_stream, const char *host, const char *local_path, char *server_path)
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{
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struct stat sbuf;
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char buf[512];
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int fd_data;
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int fd_local;
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int response;
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/* Connect to the data socket */
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if (ftpcmd("PASV", NULL, control_stream, buf) != 227) {
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error_msg_and_die("PASV error: %s", buf + 4);
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}
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fd_data = xconnect_ftpdata(host, buf);
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if (ftpcmd("CWD ", server_path, control_stream, buf) != 250) {
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error_msg_and_die("CWD error: %s", buf + 4);
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}
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/* get the local file */
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fd_local = xopen(local_path, O_RDONLY);
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fstat(fd_local, &sbuf);
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sprintf(buf, "ALLO %lu", sbuf.st_size);
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response = ftpcmd(buf, NULL, control_stream, buf);
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switch (response) {
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case 200:
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case 202:
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break;
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default:
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close(fd_local);
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error_msg_and_die("ALLO error: %s", buf + 4);
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break;
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}
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response = ftpcmd("STOR ", local_path, control_stream, buf);
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switch (response) {
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case 125:
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case 150:
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break;
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default:
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close(fd_local);
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error_msg_and_die("STOR error: %s", buf + 4);
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}
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/* transfer the file */
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copyfd_chunk(fd_local, fd_data, 0);
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/* close it all down */
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close(fd_data);
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if (ftpcmd(NULL, NULL, control_stream, buf) != 226) {
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error_msg_and_die("error: %s", buf + 4);
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}
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ftpcmd("QUIT", NULL, control_stream, buf);
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return(EXIT_SUCCESS);
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}
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#endif
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int ftpgetput_main(int argc, char **argv)
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{
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/* content-length of the file */
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int option_index = -1;
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int opt;
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/* socket to ftp server */
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FILE *control_stream;
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/* continue a prev transfer (-c) */
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ftp_host_info_t *server;
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int (*ftp_action)(FILE *, const char *, const char *, char *) = NULL;
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struct option long_options[] = {
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{"username", 1, NULL, 'u'},
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{"password", 1, NULL, 'p'},
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{"port", 1, NULL, 'P'},
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{"continue", 1, NULL, 'c'},
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{"verbose", 0, NULL, 'v'},
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{0, 0, 0, 0}
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};
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#ifdef CONFIG_FTPPUT
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if (applet_name[3] == 'p') {
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ftp_action = ftp_send;
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}
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#endif
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#ifdef CONFIG_FTPGET
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if (applet_name[3] == 'g') {
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ftp_action = ftp_recieve;
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}
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#endif
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/* Set default values */
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server = ftp_init();
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verbose_flag = 0;
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/*
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* Decipher the command line
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*/
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while ((opt = getopt_long(argc, argv, "u:p:P:cv", long_options, &option_index)) != EOF) {
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switch(opt) {
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case 'c':
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do_continue = 1;
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break;
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case 'u':
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server->user = optarg;
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break;
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case 'p':
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server->password = optarg;
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break;
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case 'P':
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server->port = optarg;
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break;
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case 'v':
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verbose_flag = 1;
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break;
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default:
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show_usage();
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}
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}
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/*
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* Process the non-option command line arguments
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*/
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if (argc - optind != 3) {
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show_usage();
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}
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/* Connect/Setup/Configure the FTP session */
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server->host = argv[optind];
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control_stream = ftp_login(server);
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return(ftp_action(control_stream, argv[optind], argv[optind + 1], argv[optind + 2]));
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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