From 008d0be72b2f160382c6e880765e96b64a050c65 Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 12:04:58 +0100 Subject: imported original firmware WRT54GL_v4.30.11_11_US --- release/src/router/busybox/networking/ftpgetput.c | 369 ++++++++++++++++++++++ 1 file changed, 369 insertions(+) create mode 100644 release/src/router/busybox/networking/ftpgetput.c (limited to 'release/src/router/busybox/networking/ftpgetput.c') diff --git a/release/src/router/busybox/networking/ftpgetput.c b/release/src/router/busybox/networking/ftpgetput.c new file mode 100644 index 00000000..41f45414 --- /dev/null +++ b/release/src/router/busybox/networking/ftpgetput.c @@ -0,0 +1,369 @@ +/* vi: set sw=4 ts=4: */ +/* + * ftpget + * + * Mini implementation of FTP to retrieve a remote file. + * + * Copyright (C) 2002 Jeff Angielski, The PTR Group + * Copyright (C) 2002 Glenn McGrath + * + * Based on wget.c by Chip Rosenthal Covad Communications + * + * + * 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 +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#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; + +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) { + bb_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) { + bb_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) { + bb_perror_msg_and_die("Couldnt open control stream"); + } + + if (ftpcmd(NULL, NULL, control_stream, buf) != 220) { + bb_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) { + bb_error_msg_and_die("PASS error: %s", buf + 4); + } + break; + default: + bb_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 = bb_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) { + bb_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); + } + + if (do_continue) { + struct stat sbuf; + if (lstat(local_file, &sbuf) < 0) { + bb_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", (long)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) { + bb_error_msg_and_die("RETR error: %s", buf + 4); + } + + /* only make a local file if we know that one exists on the remote server */ + if (do_continue) { + fd_local = bb_xopen(local_file, O_APPEND | O_WRONLY); + } else { + fd_local = bb_xopen(local_file, O_CREAT | O_TRUNC | O_WRONLY); + } + + /* Copy the file */ + if (bb_copyfd(fd_data, fd_local, filesize) == -1) { + exit(EXIT_FAILURE); + } + + /* close it all down */ + close(fd_data); + if (ftpcmd(NULL, NULL, control_stream, buf) != 226) { + bb_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 *server_path, char *local_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) { + bb_error_msg_and_die("PASV error: %s", buf + 4); + } + fd_data = xconnect_ftpdata(host, buf); + + if (ftpcmd("CWD ", server_path, control_stream, buf) != 250) { + bb_error_msg_and_die("CWD error: %s", buf + 4); + } + + /* get the local file */ + fd_local = bb_xopen(local_path, O_RDONLY); + fstat(fd_local, &sbuf); + + sprintf(buf, "ALLO %lu", (unsigned long)sbuf.st_size); + response = ftpcmd(buf, NULL, control_stream, buf); + switch (response) { + case 200: + case 202: + break; + default: + close(fd_local); + bb_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); + bb_error_msg_and_die("STOR error: %s", buf + 4); + } + + /* transfer the file */ + if (bb_copyfd(fd_local, fd_data, 0) == -1) { + exit(EXIT_FAILURE); + } + + /* close it all down */ + close(fd_data); + if (ftpcmd(NULL, NULL, control_stream, buf) != 226) { + bb_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 (bb_applet_name[3] == 'p') { + ftp_action = ftp_send; + } +#endif +#ifdef CONFIG_FTPGET + if (bb_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: + bb_show_usage(); + } + } + + /* + * Process the non-option command line arguments + */ + if (argc - optind != 3) { + bb_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: +*/ -- cgit v1.2.3-54-g00ecf