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Diffstat (limited to 'i/pc104/initrd/conf/busybox/networking/ftpgetput.c')
-rw-r--r--i/pc104/initrd/conf/busybox/networking/ftpgetput.c359
1 files changed, 359 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/networking/ftpgetput.c b/i/pc104/initrd/conf/busybox/networking/ftpgetput.c
new file mode 100644
index 0000000..9b0510d
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/networking/ftpgetput.c
@@ -0,0 +1,359 @@
+/* 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@iinet.net.au>
+ *
+ * Based on wget.c by Chip Rosenthal Covad Communications
+ * <chip@laserlink.net>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#include "busybox.h"
+#include <getopt.h>
+
+typedef struct ftp_host_info_s {
+ const char *user;
+ const char *password;
+ struct len_and_sockaddr *lsa;
+} ftp_host_info_t;
+
+static smallint verbose_flag;
+static smallint do_continue;
+
+static void ftp_die(const char *msg, const char *remote) ATTRIBUTE_NORETURN;
+static void ftp_die(const char *msg, const char *remote)
+{
+ /* Guard against garbage from remote server */
+ const char *cp = remote;
+ while (*cp >= ' ' && *cp < '\x7f') cp++;
+ bb_error_msg_and_die("unexpected server response%s%s: %.*s",
+ msg ? " to " : "", msg ? msg : "",
+ (int)(cp - remote), remote);
+}
+
+
+static int ftpcmd(const char *s1, const char *s2, FILE *stream, char *buf)
+{
+ unsigned n;
+ if (verbose_flag) {
+ bb_error_msg("cmd %s %s", s1, s2);
+ }
+
+ if (s1) {
+ if (s2) {
+ fprintf(stream, "%s %s\r\n", s1, s2);
+ } else {
+ fprintf(stream, "%s\r\n", s1);
+ }
+ }
+ do {
+ char *buf_ptr;
+
+ if (fgets(buf, 510, stream) == NULL) {
+ bb_perror_msg_and_die("fgets");
+ }
+ buf_ptr = strstr(buf, "\r\n");
+ if (buf_ptr) {
+ *buf_ptr = '\0';
+ }
+ } while (!isdigit(buf[0]) || buf[3] != ' ');
+
+ buf[3] = '\0';
+ n = xatou(buf);
+ buf[3] = ' ';
+ return n;
+}
+
+static int xconnect_ftpdata(ftp_host_info_t *server, char *buf)
+{
+ char *buf_ptr;
+ unsigned short port_num;
+
+ /* Response is "NNN garbageN1,N2,N3,N4,P1,P2[)garbage]
+ * Server's IP is N1.N2.N3.N4 (we ignore it)
+ * Server's port for data connection is P1*256+P2 */
+ buf_ptr = strrchr(buf, ')');
+ if (buf_ptr) *buf_ptr = '\0';
+
+ buf_ptr = strrchr(buf, ',');
+ *buf_ptr = '\0';
+ port_num = xatoul_range(buf_ptr + 1, 0, 255);
+
+ buf_ptr = strrchr(buf, ',');
+ *buf_ptr = '\0';
+ port_num += xatoul_range(buf_ptr + 1, 0, 255) * 256;
+
+ set_nport(server->lsa, htons(port_num));
+ return xconnect_stream(server->lsa);
+}
+
+static FILE *ftp_login(ftp_host_info_t *server)
+{
+ FILE *control_stream;
+ char buf[512];
+
+ /* Connect to the command socket */
+ control_stream = fdopen(xconnect_stream(server->lsa), "r+");
+ if (control_stream == NULL) {
+ /* fdopen failed - extremely unlikely */
+ bb_perror_nomsg_and_die();
+ }
+
+ if (ftpcmd(NULL, NULL, control_stream, buf) != 220) {
+ ftp_die(NULL, buf);
+ }
+
+ /* 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) {
+ ftp_die("PASS", buf);
+ }
+ break;
+ default:
+ ftp_die("USER", buf);
+ }
+
+ ftpcmd("TYPE I", NULL, control_stream, buf);
+
+ return control_stream;
+}
+
+#if !ENABLE_FTPGET
+int ftp_receive(ftp_host_info_t *server, FILE *control_stream,
+ const char *local_path, char *server_path);
+#else
+static
+int ftp_receive(ftp_host_info_t *server, FILE *control_stream,
+ const char *local_path, char *server_path)
+{
+ char buf[512];
+/* I think 'filesize' usage here is bogus. Let's see... */
+ //off_t filesize = -1;
+#define filesize ((off_t)-1)
+ int fd_data;
+ int fd_local = -1;
+ off_t beg_range = 0;
+
+ /* Connect to the data socket */
+ if (ftpcmd("PASV", NULL, control_stream, buf) != 227) {
+ ftp_die("PASV", buf);
+ }
+ fd_data = xconnect_ftpdata(server, buf);
+
+ if (ftpcmd("SIZE", server_path, control_stream, buf) == 213) {
+ //filesize = BB_STRTOOFF(buf + 4, NULL, 10);
+ //if (errno || filesize < 0)
+ // ftp_die("SIZE", buf);
+ } else {
+ do_continue = 0;
+ }
+
+ if (LONE_DASH(local_path)) {
+ fd_local = STDOUT_FILENO;
+ do_continue = 0;
+ }
+
+ if (do_continue) {
+ struct stat sbuf;
+ if (lstat(local_path, &sbuf) < 0) {
+ bb_perror_msg_and_die("lstat");
+ }
+ if (sbuf.st_size > 0) {
+ beg_range = sbuf.st_size;
+ } else {
+ do_continue = 0;
+ }
+ }
+
+ if (do_continue) {
+ sprintf(buf, "REST %"OFF_FMT"d", beg_range);
+ if (ftpcmd(buf, NULL, control_stream, buf) != 350) {
+ do_continue = 0;
+ } else {
+ //if (filesize != -1)
+ // filesize -= beg_range;
+ }
+ }
+
+ if (ftpcmd("RETR", server_path, control_stream, buf) > 150) {
+ ftp_die("RETR", buf);
+ }
+
+ /* only make a local file if we know that one exists on the remote server */
+ if (fd_local == -1) {
+ if (do_continue) {
+ fd_local = xopen(local_path, O_APPEND | O_WRONLY);
+ } else {
+ fd_local = xopen(local_path, O_CREAT | O_TRUNC | O_WRONLY);
+ }
+ }
+
+ /* Copy the file */
+ if (filesize != -1) {
+ if (bb_copyfd_size(fd_data, fd_local, filesize) == -1)
+ return EXIT_FAILURE;
+ } else {
+ if (bb_copyfd_eof(fd_data, fd_local) == -1)
+ return EXIT_FAILURE;
+ }
+
+ /* close it all down */
+ close(fd_data);
+ if (ftpcmd(NULL, NULL, control_stream, buf) != 226) {
+ ftp_die(NULL, buf);
+ }
+ ftpcmd("QUIT", NULL, control_stream, buf);
+
+ return EXIT_SUCCESS;
+}
+#endif
+
+#if !ENABLE_FTPPUT
+int ftp_send(ftp_host_info_t *server, FILE *control_stream,
+ const char *server_path, char *local_path);
+#else
+static
+int ftp_send(ftp_host_info_t *server, FILE *control_stream,
+ 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) {
+ ftp_die("PASV", buf);
+ }
+ fd_data = xconnect_ftpdata(server, buf);
+
+ /* get the local file */
+ fd_local = STDIN_FILENO;
+ if (NOT_LONE_DASH(local_path)) {
+ fd_local = xopen(local_path, O_RDONLY);
+ fstat(fd_local, &sbuf);
+
+ sprintf(buf, "ALLO %"OFF_FMT"u", sbuf.st_size);
+ response = ftpcmd(buf, NULL, control_stream, buf);
+ switch (response) {
+ case 200:
+ case 202:
+ break;
+ default:
+ close(fd_local);
+ ftp_die("ALLO", buf);
+ break;
+ }
+ }
+ response = ftpcmd("STOR", server_path, control_stream, buf);
+ switch (response) {
+ case 125:
+ case 150:
+ break;
+ default:
+ close(fd_local);
+ ftp_die("STOR", buf);
+ }
+
+ /* transfer the file */
+ if (bb_copyfd_eof(fd_local, fd_data) == -1) {
+ exit(EXIT_FAILURE);
+ }
+
+ /* close it all down */
+ close(fd_data);
+ if (ftpcmd(NULL, NULL, control_stream, buf) != 226) {
+ ftp_die("close", buf);
+ }
+ ftpcmd("QUIT", NULL, control_stream, buf);
+
+ return EXIT_SUCCESS;
+}
+#endif
+
+#define FTPGETPUT_OPT_CONTINUE 1
+#define FTPGETPUT_OPT_VERBOSE 2
+#define FTPGETPUT_OPT_USER 4
+#define FTPGETPUT_OPT_PASSWORD 8
+#define FTPGETPUT_OPT_PORT 16
+
+#if ENABLE_FEATURE_FTPGETPUT_LONG_OPTIONS
+static const struct option ftpgetput_long_options[] = {
+ { "continue", 1, NULL, 'c' },
+ { "verbose", 0, NULL, 'v' },
+ { "username", 1, NULL, 'u' },
+ { "password", 1, NULL, 'p' },
+ { "port", 1, NULL, 'P' },
+ { 0, 0, 0, 0 }
+};
+#endif
+
+int ftpgetput_main(int argc, char **argv);
+int ftpgetput_main(int argc, char **argv)
+{
+ /* content-length of the file */
+ unsigned opt;
+ const char *port = "ftp";
+ /* socket to ftp server */
+ FILE *control_stream;
+ /* continue previous transfer (-c) */
+ ftp_host_info_t *server;
+
+#if ENABLE_FTPPUT && !ENABLE_FTPGET
+# define ftp_action ftp_send
+#elif ENABLE_FTPGET && !ENABLE_FTPPUT
+# define ftp_action ftp_receive
+#else
+ int (*ftp_action)(ftp_host_info_t *, FILE *, const char *, char *) = ftp_send;
+ /* Check to see if the command is ftpget or ftput */
+ if (applet_name[3] == 'g') {
+ ftp_action = ftp_receive;
+ }
+#endif
+
+ /* Set default values */
+ server = xmalloc(sizeof(*server));
+ server->user = "anonymous";
+ server->password = "busybox@";
+
+ /*
+ * Decipher the command line
+ */
+#if ENABLE_FEATURE_FTPGETPUT_LONG_OPTIONS
+ applet_long_options = ftpgetput_long_options;
+#endif
+ opt_complementary = "=3"; /* must have 3 params */
+ opt = getopt32(argc, argv, "cvu:p:P:", &server->user, &server->password, &port);
+ argv += optind;
+
+ /* Process the non-option command line arguments */
+ if (opt & FTPGETPUT_OPT_CONTINUE) {
+ do_continue = 1;
+ }
+ if (opt & FTPGETPUT_OPT_VERBOSE) {
+ verbose_flag = 1;
+ }
+
+ /* We want to do exactly _one_ DNS lookup, since some
+ * sites (i.e. ftp.us.debian.org) use round-robin DNS
+ * and we want to connect to only one IP... */
+ server->lsa = xhost2sockaddr(argv[0], bb_lookup_port(port, "tcp", 21));
+ if (verbose_flag) {
+ printf("Connecting to %s (%s)\n", argv[0],
+ xmalloc_sockaddr2dotted(&server->lsa->sa, server->lsa->len));
+ }
+
+ /* Connect/Setup/Configure the FTP session */
+ control_stream = ftp_login(server);
+
+ return ftp_action(server, control_stream, argv[1], argv[2]);
+}