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@ -43,6 +43,8 @@
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#include <netinet/in.h>
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#include <netdb.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include "busybox.h"
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@ -51,6 +53,7 @@ typedef struct ftp_host_info_s {
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char *port;
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char *user;
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char *password;
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struct sockaddr_in *s_in;
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} ftp_host_info_t;
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static char verbose_flag;
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@ -97,10 +100,9 @@ static int ftpcmd(const char *s1, const char *s2, FILE *stream, char *buf)
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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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static int xconnect_ftpdata(ftp_host_info_t *server, 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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@ -111,8 +113,8 @@ static int xconnect_ftpdata(const char *target_host, const char *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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server->s_in->sin_port=htons(port_num);
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return(xconnect(server->s_in));
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}
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static FILE *ftp_login(ftp_host_info_t *server)
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@ -122,7 +124,7 @@ static FILE *ftp_login(ftp_host_info_t *server)
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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_fd = xconnect(server->s_in);
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control_stream = fdopen(control_fd, "r+");
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if (control_stream == NULL) {
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bb_perror_msg_and_die("Couldnt open control stream");
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@ -151,7 +153,8 @@ static FILE *ftp_login(ftp_host_info_t *server)
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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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static int ftp_recieve(ftp_host_info_t *server, FILE *control_stream,
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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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@ -168,7 +171,7 @@ static int ftp_recieve(FILE *control_stream, const char *host, const char *local
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if (ftpcmd("PASV", NULL, control_stream, buf) != 227) {
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bb_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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fd_data = xconnect_ftpdata(server, 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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@ -223,7 +226,8 @@ static int ftp_recieve(FILE *control_stream, const char *host, const char *local
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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 *server_path, char *local_path)
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static int ftp_send(ftp_host_info_t *server, FILE *control_stream,
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const char *server_path, char *local_path)
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{
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struct stat sbuf;
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char buf[512];
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@ -235,7 +239,7 @@ static int ftp_send(FILE *control_stream, const char *host, const char *server_p
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if (ftpcmd("PASV", NULL, control_stream, buf) != 227) {
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bb_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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fd_data = xconnect_ftpdata(server, buf);
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if (ftpcmd("CWD ", server_path, control_stream, buf) != 250) {
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bb_error_msg_and_die("CWD error: %s", buf + 4);
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@ -291,11 +295,12 @@ int ftpgetput_main(int argc, char **argv)
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/* socket to ftp server */
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FILE *control_stream;
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struct sockaddr_in s_in;
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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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int (*ftp_action)(ftp_host_info_t *, FILE *, const char *, char *) = NULL;
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struct option long_options[] = {
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{"username", 1, NULL, 'u'},
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@ -324,6 +329,7 @@ int ftpgetput_main(int argc, char **argv)
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/*
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* Decipher the command line
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*/
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server->port = "21";
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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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@ -353,11 +359,21 @@ int ftpgetput_main(int argc, char **argv)
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bb_show_usage();
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}
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/* Connect/Setup/Configure the FTP session */
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/* We want to do exactly _one_ DNS lookup, since some
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* sites (i.e. ftp.us.debian.org) use round-robin DNS
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* and we want to connect to only one IP... */
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server->s_in = &s_in;
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server->host = argv[optind];
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bb_lookup_host(&s_in, server->host, NULL);
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if (verbose_flag) {
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fprintf(stdout, "Connecting to %s[%s]:%s\n",
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server->host, inet_ntoa(s_in.sin_addr), server->port);
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}
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/* Connect/Setup/Configure the FTP session */
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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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return(ftp_action(server, control_stream, argv[optind + 1], argv[optind + 2]));
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}
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/*
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