* 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>
+ * Copyright (C) 2002 Glenn McGrath
*
* 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>
+#include "libbb.h"
typedef struct ftp_host_info_s {
- char *user;
- char *password;
- struct sockaddr_in *s_in;
+ const char *user;
+ const char *password;
+ struct len_and_sockaddr *lsa;
} ftp_host_info_t;
-static char verbose_flag;
-static char do_continue;
+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)
{
unsigned n;
if (verbose_flag) {
- bb_error_msg("cmd %s%s", s1, s2);
+ bb_error_msg("cmd %s %s", s1, s2);
}
if (s1) {
*buf_ptr = '\0';
port_num += xatoul_range(buf_ptr + 1, 0, 255) * 256;
- server->s_in->sin_port = htons(port_num);
- return xconnect_tcp_v4(server->s_in);
+ set_nport(server->lsa, htons(port_num));
+ return xconnect_stream(server->lsa);
}
static FILE *ftp_login(ftp_host_info_t *server)
char buf[512];
/* Connect to the command socket */
- control_stream = fdopen(xconnect_tcp_v4(server->s_in), "r+");
+ control_stream = fdopen(xconnect_stream(server->lsa), "r+");
if (control_stream == NULL) {
- /* Extremely unlikely */
+ /* fdopen failed - extremely unlikely */
bb_perror_nomsg_and_die();
}
#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 }
-};
+static const char ftpgetput_longopts[] ALIGN1 =
+ "continue\0" Required_argument "c"
+ "verbose\0" No_argument "v"
+ "username\0" Required_argument "u"
+ "password\0" Required_argument "p"
+ "port\0" Required_argument "P"
+ ;
#endif
+int ftpgetput_main(int argc, char **argv);
int ftpgetput_main(int argc, char **argv)
{
/* content-length of the file */
const char *port = "ftp";
/* socket to ftp server */
FILE *control_stream;
- struct sockaddr_in s_in;
/* continue previous transfer (-c) */
ftp_host_info_t *server;
#endif
/* Set default values */
- server = xmalloc(sizeof(ftp_host_info_t));
+ server = xmalloc(sizeof(*server));
server->user = "anonymous";
server->password = "busybox@";
- verbose_flag = 0;
/*
* Decipher the command line
*/
#if ENABLE_FEATURE_FTPGETPUT_LONG_OPTIONS
- applet_long_options = ftpgetput_long_options;
+ applet_long_options = ftpgetput_longopts;
#endif
opt_complementary = "=3"; /* must have 3 params */
- opt = getopt32(argc, argv, "cvu:p:P:", &server->user, &server->password, &port);
+ opt = getopt32(argv, "cvu:p:P:", &server->user, &server->password, &port);
argv += optind;
/* Process the non-option command line arguments */
/* 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->s_in = &s_in;
- bb_lookup_host(&s_in, argv[0]);
- s_in.sin_port = bb_lookup_port(port, "tcp", 21);
+ server->lsa = xhost2sockaddr(argv[0], bb_lookup_port(port, "tcp", 21));
if (verbose_flag) {
- printf("Connecting to %s[%s]:%d\n",
- argv[0], inet_ntoa(s_in.sin_addr), ntohs(s_in.sin_port));
+ printf("Connecting to %s (%s)\n", argv[0],
+ xmalloc_sockaddr2dotted(&server->lsa->sa));
}
/* Connect/Setup/Configure the FTP session */