diff options
| -rw-r--r-- | include/applets.h | 6 | ||||
| -rw-r--r-- | include/usage.h | 21 | ||||
| -rw-r--r-- | networking/Config.in | 12 | ||||
| -rw-r--r-- | networking/Makefile.in | 2 | ||||
| -rw-r--r-- | networking/ftpgetput.c | 405 |
5 files changed, 446 insertions, 0 deletions
diff --git a/include/applets.h b/include/applets.h index bd2053039..5d8e7bb68 100644 --- a/include/applets.h +++ b/include/applets.h @@ -200,6 +200,12 @@ #ifdef CONFIG_FSCK_MINIX APPLET_ODDNAME("fsck.minix", fsck_minix_main, _BB_DIR_SBIN, _BB_SUID_NEVER, fsck_minix) #endif +#ifdef CONFIG_FTPGET + APPLET(ftpget, ftpgetput_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER) +#endif +#ifdef CONFIG_FTPPUT + APPLET(ftpput, ftpgetput_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER) +#endif #ifdef CONFIG_GETOPT APPLET(getopt, getopt_main, _BB_DIR_BIN, _BB_SUID_NEVER) #endif diff --git a/include/usage.h b/include/usage.h index d3c1e5072..3b519e65d 100644 --- a/include/usage.h +++ b/include/usage.h @@ -602,6 +602,27 @@ "\t-m\tActivates MINIX-like \"mode not cleared\" warnings\n" \ "\t-f\tForce file system check." +#define ftpget_trivial_usage \ + "[options] remote-host local-directory remote-file" +#define ftpget_full_usage \ + "Retrieve a remote file via FTP.\n\n" \ + "Options:\n" \ + "\t-c, --continue Continue a previous transfer\n" \ + "\t-v, --verbose Verbose\n" \ + "\t-u, --username Username to be used\n" \ + "\t-p, --password Password to be used\n" \ + "\t-P, --port Port number to be used\n" + +#define ftpput_trivial_usage \ + "[options] remote-host remote-directory local-file" +#define ftpput_full_usage \ + "Store a local file on a remote machine via FTP.\n\n" \ + "Options:\n" \ + "\t-v, --verbose Verbose\n" \ + "\t-u, --username Username to be used\n" \ + "\t-p, --password Password to be used\n" \ + "\t-P, --port Port number to be used\n" + #define getopt_trivial_usage \ "[OPTIONS]..." #define getopt_full_usage \ diff --git a/networking/Config.in b/networking/Config.in index b4b9462c3..b622b65f3 100644 --- a/networking/Config.in +++ b/networking/Config.in @@ -11,6 +11,18 @@ config CONFIG_FEATURE_IPV6 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 diff --git a/networking/Makefile.in b/networking/Makefile.in index e72b00194..c2ae451a4 100644 --- a/networking/Makefile.in +++ b/networking/Makefile.in @@ -23,6 +23,8 @@ NETWORKING_DIR:=$(TOPDIR)networking/ endif NETWORKING-y:= +NETWORKING-$(CONFIG_FTPGET) += ftpgetput.o +NETWORKING-$(CONFIG_FTPPUT) += ftpgetput.o NETWORKING-$(CONFIG_HOSTNAME) += hostname.o NETWORKING-$(CONFIG_IFCONFIG) += ifconfig.o NETWORKING-$(CONFIG_IFUPDOWN) += ifupdown.o diff --git a/networking/ftpgetput.c b/networking/ftpgetput.c new file mode 100644 index 000000000..4cebbc71c --- /dev/null +++ b/networking/ftpgetput.c @@ -0,0 +1,405 @@ +/* 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@theptrgroup.com> + * Copyright (C) 2002 Glenn McGrath <bug1@optushome.com.au> + * + * Based on wget.c by Chip Rosenthal Covad Communications + * <chip@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: +*/ |