//
// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//
/*
* Copyright (c) 1985, 1988, 1990, 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* FTP server.
*/
#include <netinet/net_types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <sys/mman.h>
#include <netinet/in.h>
#define FTP_NAMES
#include <arpa/ftp.h>
#include <ctype.h>
#include <dirent.h>
#include <fcntl.h>
#include <glob.h>
#include <limits.h> /* for CHAR_BIT */
#include <netdb.h>
#include <pwd.h>
#include <setjmp.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <utmp.h>
#include <spawn.h>
#include "pathnames.h"
#include "extern.h"
// Symbian includes
#include <f32file.h>
#include <in_iface.h>
static char version[]="v1.0.1000";
extern off_t restart_point;
extern char cbuf[];
struct sockaddr_in server_addr;
struct sockaddr_in ctrl_addr;
struct sockaddr_in data_source;
struct sockaddr_in data_dest;
struct sockaddr_in his_addr;
struct sockaddr_in pasv_addr;
in_addr server_in_addr;
int daemon_mode = 0;
int data;
jmp_buf errcatch, urgcatch;
int logged_in;
struct passwd *pw;
int debug = 0;
int timeout = 900; /* timeout after 15 minutes of inactivity */
int maxtimeout = 7200;/* don't allow idle time to be set beyond 2 hours */
int logging = 0;
int replicate = 0;
int high_data_ports = 0;
int anon_only = 0;
int multihome = 0;
int guest;
int stats;
int statfd = -1;
int portcheck = 1;
int dochroot;
int type;
int form;
int stru; /* avoid C keyword */
int mode;
int doutmp = 0; /* update utmp file */
int usedefault = 1; /* for data transfers */
int pdata = -1; /* for passive mode */
int port = 21; /* default FTP port */
//sig_atomic_t transflag;
int transflag;
off_t file_size;
off_t byte_count;
#if !defined(CMASK) || CMASK == 0
#undef CMASK
#define CMASK 027
#endif
int defumask = CMASK; /* default umask value */
char tmpline[7];
char hostname[]="Symbian";
char* remotehost=hostname;
char* dhostname=hostname;
char *guestpw;
static char ttyline[20];
char *tty = ttyline; /* for klogin */
static struct utmp utmp; /* for utmp */
TDriveNumber drive;
char *ident = NULL;
int root = 1;
FILE* logFile;
/*
* Timeout intervals for retrying connections
* to hosts that don't accept PORT cmds. This
* is a kludge, but given the problems with TCP...
*/
#define SWAITMAX 90 /* wait at most 90 seconds */
#define SWAITINT 5 /* interval between retries */
int swaitmax = SWAITMAX;
int swaitint = SWAITINT;
#ifdef HASSETPROCTITLE
char proctitle[BUFSIZ]; /* initial part of title */
#endif /* HASSETPROCTITLE */
#define LOG(message) \
if (logging/* > 1*/) { \
fprintf(logFile, "LOG_INFO %s\r\n", message); \
fflush(logFile); }
#define LOGCMD(cmd, file) \
if (logging/* > 1*/) { \
fprintf(logFile, "LOG_INFO %s %s\r\n", cmd, file); \
fflush(logFile); }
#define LOGCMD2(cmd, file1, file2) \
if (logging/* > 1*/) { \
fprintf(logFile, "LOG_INFO %s %s %s\r\n", cmd, file1, file2); \
fflush(logFile); }
#define LOGBYTES(cmd, file, cnt) \
if (logging/* > 1*/) { \
if (cnt == (off_t)-1) \
fprintf(logFile, "LOG_INFO %s %s\r\n", cmd, file); \
else \
fprintf(logFile, "LOG_INFO %s %s = %qd bytes\r\n", cmd, file, (quad_t)(cnt)); \
fflush(logFile) ; \
}
static void ack __P((const char *));
static FILE *dataconn __P((const char *, off_t, const char *));
static void dolog __P((struct sockaddr_in *));
static void end_login __P((void));
static FILE *getdatasock __P((const char *));
static int guniquefd __P((const char *, char **));
static int receive_data __P((FILE *, FILE *));
static void replydirname __P((const char *, const char *));
static void send_data __P((FILE *, FILE *, off_t, off_t, int));
#if defined(TCPWRAPPERS)
static int check_host __P((struct sockaddr_in *));
#endif
in_addr getServerAddress();
TDriveNumber getSystemDrive();
void logxfer __P((const char *, off_t, time_t));
#define MAXUSERNAME 64
char * username[MAXUSERNAME];
char * userhome[MAXPATHLEN];
#undef IP_PORTRANGE
int
main(int argc, char *argv[], char **envp)
{
int ch, on = 1;
socklen_t addrlen;
char *cp, line[LINE_MAX];
FILE *fd;
const char *argstr = "RAdDhlMSt:T:u:UvP:";
tzset(); /* in case no timezone database in ~ftp */
/* set this here so klogin can use it... */
(void)snprintf(ttyline, sizeof(ttyline), "ftp%d", getpid());
while ((ch = getopt(argc, argv, argstr)) != -1) {
switch (ch) {
case 'A':
anon_only = 1;
break;
case 'd':
debug = 1;
break;
case 'D':
for(int i=1 /*no name*/; i<argc; i++)
{
for(unsigned int j=0;j<strlen(argv[i]); j++)
if(argv[i][j]=='D')
{
//Daemon token found, change it to allow replication to new background processes
argv[i][j]='R';
}
}
posix_spawn(NULL,argv[0],NULL,NULL,argv,envp);
exit(0);
break;
case 'R':
replicate = 1;
break;
case 'P':
port = atoi(optarg);
break;
case 'h':
high_data_ports = 1;
break;
case 'l':
logging++; /* > 1 == extra logging */
break;
case 'M':
multihome = 1;
break;
case 'S':
stats = 1;
break;
case 't':
timeout = atoi(optarg);
if (maxtimeout < timeout)
maxtimeout = timeout;
break;
case 'T':
maxtimeout = atoi(optarg);
if (timeout > maxtimeout)
timeout = maxtimeout;
break;
case 'u':
{
long val = 0;
val = strtol(optarg, &optarg, 8);
if (*optarg != '\0' || val < 0 || (val & ~ACCESSPERMS))
printf("bad value for -u");
else
defumask = val;
break;
}
case 'U':
doutmp = 1;
break;
case 'v':
debug = 1;
break;
default:
printf("unknown flag -%c ignored", optopt);
scanf("");
break;
}
}
(void) freopen(_PATH_DEVNULL, "w", stderr);
/*
* LOG_NDELAY sets up the logging connection immediately,
* necessary for anonymous ftp's that chroot and can't do it later.
*/
#ifndef LOG_FTP
#define LOG_FTP LOG_DAEMON
#endif
int ctl_sock, fd2;
server_in_addr = getServerAddress();
/*
* Open a socket, bind it to the FTP port, and start
* listening.
*/
ctl_sock = socket(AF_INET, SOCK_STREAM, 0);
if (ctl_sock < 0) {
User::Panic(_L("socket error"),0);
LOG("socket error");
exit(1);
}
setsockopt(ctl_sock, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on));
server_addr.sin_family = 0;
server_addr.sin_addr.s_addr = INADDR_ANY;
server_addr.sin_port = port;
if (bind(ctl_sock, (struct sockaddr *)&server_addr,
sizeof(server_addr))) {
User::Panic(_L("bind error"),0);
LOG("bind error");
exit(1);
}
if (listen(ctl_sock, 32) < 0) {
User::Panic(_L("listen error"),0);
LOG("listen error");
exit(1);
}
addrlen = sizeof(his_addr);
fd2 = accept(ctl_sock, (struct sockaddr *)&his_addr,
&addrlen);
(void) dup2(fd2, 0);
(void) dup2(fd2, 1);
close(ctl_sock);
close(fd2);
drive = getSystemDrive();
if(logging)
{
char logFileName[MAXPATHLEN];
char driveLetter = 'A'+drive;
sprintf(logFileName,"%c:\\ftpd_%d.log",driveLetter,getpid());
logFile = fopen(logFileName,"w");
fprintf(logFile, "** Log file for the FTP instance with PID %d **\r\n",getpid());
fflush(logFile);
}
addrlen = sizeof(ctrl_addr);
if (getsockname(0, (struct sockaddr *)&ctrl_addr, &addrlen) < 0) {
User::Panic(_L("getsockname error"),0);
exit(1);
}
//clone to accept new connections
if(replicate)
posix_spawn(NULL,argv[0],NULL,NULL,argv,envp);
data_source.sin_port = htons(ntohs(ctrl_addr.sin_port) - 1);
dolog(&his_addr);
/*
* Set up default state
*/
data = -1;
type = TYPE_A;
form = FORM_N;
stru = STRU_F;
mode = MODE_S;
tmpline[0] = '\0';
/* If logins are disabled, print out the message. */
if ((fd = fopen(_PATH_NOLOGIN,"r")) != NULL) {
while (fgets(line, sizeof(line), fd) != NULL) {
if ((cp = strchr(line, '\n')) != NULL)
*cp = '\0';
lreply(530, "%s", line);
}
(void) fflush(stdout);
(void) fclose(fd);
reply(530, "System not available.");
exit(0);
}
if ((fd = fopen(_PATH_FTPWELCOME, "r")) != NULL) {
while (fgets(line, sizeof(line), fd) != NULL) {
if ((cp = strchr(line, '\n')) != NULL)
*cp = '\0';
lreply(220, "%s", line);
}
(void) fflush(stdout);
(void) fclose(fd);
/* reply(220,) must follow */
}
reply(220, "%s FTP server (%s) ready.",
hostname, version);
(void) setjmp(errcatch);
for (;;)
(void) yyparse();
/* NOTREACHED */
}
static int login_attempts; /* number of failed login attempts */
static int askpasswd; /* had user command, ask for passwd */
static char curname[16]; /* current USER name */
/*
* USER command.
* Sets global passwd pointer pw if named account exists and is acceptable;
* sets askpasswd if a PASS command is expected. If logged in previously,
* need to reset state. If name is "ftp" or "anonymous", the name is not in
* _PATH_FTPUSERS, and ftp account exists, set guest and pw, then just return.
* If account doesn't exist, ask for passwd anyway. Otherwise, check user
* requesting login privileges. Disallow anyone who does not have a standard
* shell as returned by getusershell(). Disallow anyone mentioned in the file
* _PATH_FTPUSERS to allow people such as root and uucp to be avoided.
*/
void user(char *name)
{
//const char *cp, *shell;
if (logged_in) {
if (guest) {
reply(530, "Can't change user from guest login.");
return;
} else if (dochroot) {
reply(530, "Can't change user from chroot user.");
return;
}
end_login();
}
guest = 0;
// check password
pw = (passwd *)malloc(sizeof(pw));
strcpy((char*)username,name);
pw->pw_name = (char*)username;
strcpy((char*)userhome,"/");
pw->pw_dir = (char*)userhome;
if (logging) {
strncpy(curname, name, sizeof(curname)-1);
curname[sizeof(curname)-1] = '\0';
}
if (strcmp(name, "ftp") == 0 || strcmp(name, "anonymous") == 0)
reply(331,"Guest login ok, type your name as password.");
else
reply(331, "Password required for %s.", name);
askpasswd = 1;
/*
* Delay before reading passwd after first failed
* attempt to slow down passwd-guessing programs.
*/
if (login_attempts)
sleep((unsigned) login_attempts);
}
/*
* Terminate login as previous user, if any, resetting state;
* used when USER command is given or login fails.
*/
static void end_login(void)
{
(void) seteuid((uid_t)0);
if (logged_in) {
if (doutmp)
logout(utmp.ut_line);
}
pw = NULL;
logged_in = 0;
guest = 0;
dochroot = 0;
}
void pass(char *passwd)
{
int rval;
FILE *fd;
if (logged_in || askpasswd == 0) {
reply(503, "Login with USER first.");
return;
}
askpasswd = 0;
if (!guest) { /* "ftp" is only account allowed no password */
/*
* Authenticate password...
*/
rval = 0;
/*
* If rval == 1, the user failed the authentication check
* above. If rval == 0, either Kerberos or local authentication
* succeeded.
*/
if (rval) {
reply(530, "Login incorrect.");
pw = NULL;
return;
}
} else {
/* Save anonymous' password. */
guestpw = strdup(passwd);
if (guestpw == (char *)NULL)
fatal("Out of memory");
}
login_attempts = 0; /* this time successful */
if (setegid((gid_t)pw->pw_gid) < 0) {
reply(550, "Can't set gid.");
return;
}
(void) initgroups(pw->pw_name, pw->pw_gid);
/* open utmp before chroot */
if (doutmp) {
memset((void *)&utmp, 0, sizeof(utmp));
(void)time(&utmp.ut_time);
(void)strncpy(utmp.ut_name, pw->pw_name, sizeof(utmp.ut_name));
(void)strncpy(utmp.ut_host, remotehost, sizeof(utmp.ut_host));
(void)strncpy(utmp.ut_line, ttyline, sizeof(utmp.ut_line));
login(&utmp);
}
/* open stats file before chroot */
if (guest && (stats == 1) && (statfd < 0))
if ((statfd = open(_PATH_FTPDSTATFILE, O_WRONLY|O_APPEND)) < 0)
stats = 0;
logged_in = 1;
dochroot = 0;
/*
* Set home directory to root
*/
chdir("/"); //root
/*
* Display a login message, if it exists.
* N.B. reply(230,) must follow the message.
*/
if ((fd = fopen(_PATH_FTPLOGINMESG, "r")) != NULL) {
char *cp, line[LINE_MAX];
while (fgets(line, sizeof(line), fd) != NULL) {
if ((cp = strchr(line, '\n')) != NULL)
*cp = '\0';
lreply(230, "%s", line);
}
(void) fflush(stdout);
(void) fclose(fd);
}
if (guest) {
if (ident != NULL)
free(ident);
ident = strdup(passwd);
if (ident == (char *)NULL)
fatal("Ran out of memory.");
reply(230, "Guest login ok, access restrictions apply.");
} else {
reply(230, "User %s logged in.", pw->pw_name);
}
(void) umask(defumask);
return;
}
void internalName(char* output, const char *input)
{
//from /c/aaa.txt to c:\aaa.txt
strcpy(output,input);
//root is a special case
if(strcmp(output,"/")==0)
{
return;
}
for(unsigned int i=0 ; i<strlen(output); i++)
{
if(output[i]=='/')
output[i]= '\\';
}
//relative path, do not modify
if((output[0]!='\\' && strlen(output)>1) || strcmp(output,".")==0)
{
return;
}
if(strlen(output)==1 && root)
{
//it's a drive: C\0 -> C:\0
output[2]=output[1];
output[1]=':';
}
else
{
// /C/system\n -> C:/system\n
output[0]=output[1];
output[1]=':';
}
}
void externalName(char* output, const char *input)
{
//from c:/aaa.txt to /c/aaa.txt
strcpy(output,input);
for(unsigned int i=0 ; i<strlen(output); i++)
{
if(output[i]=='\\')
output[i]= '/';
}
output[1]=output[0];
output[0]='/';
}
void retrieve(const char *cmd, const char *name)
{
FILE *fin, *dout;
struct stat st;
int (*closefunc) __P((FILE *));
time_t start;
char adaptedName[MAXPATHLEN];
internalName(adaptedName,name);
LOGCMD("RETR", adaptedName);
if (cmd == 0) {
fin = fopen(adaptedName, "r"); closefunc = fclose;
st.st_size = 0;
} else {
char line[BUFSIZ];
(void) snprintf(line, sizeof(line), cmd, adaptedName);
name = line;
fin = ftpd_popen(line, "r"), closefunc = ftpd_pclose;
st.st_size = -1;
st.st_blksize = BUFSIZ;
}
if (fin == NULL) {
if (errno != 0) {
perror_reply(550, name);
if (cmd == 0) {
LOGCMD("get", adaptedName);
}
}
return;
}
byte_count = -1;
if (cmd == 0 && (fstat(fileno(fin), &st) < 0 || !S_ISREG(st.st_mode))) {
reply(550, "%s: not a plain file.", name);
goto done;
}
if (restart_point) {
if (type == TYPE_A) {
off_t i, n;
int c;
n = restart_point;
i = 0;
while (i++ < n) {
if ((c=getc(fin)) == EOF) {
perror_reply(550, name);
goto done;
}
if (c == '\n')
i++;
}
} else if (lseek(fileno(fin), restart_point, SEEK_SET) < 0) {
perror_reply(550, name);
goto done;
}
}
dout = dataconn(name, st.st_size, "w");
if (dout == NULL)
goto done;
time(&start);
send_data(fin, dout, st.st_blksize, st.st_size,
(restart_point == 0 && cmd == 0 && S_ISREG(st.st_mode)));
if ((cmd == 0) && stats)
logxfer(name, st.st_size, start);
(void) fclose(dout);
data = -1;
pdata = -1;
done:
if (cmd == 0)
LOGBYTES("get", name, byte_count);
(*closefunc)(fin);
}
void store(const char *name, const char *mode, int unique)
{
FILE *fout, *din;
int (*closefunc) __P((FILE *));
struct stat st;
int fd;
char adaptedName[MAXPATHLEN];
internalName(adaptedName,name);
LOGCMD("STOR", adaptedName);
if (unique && stat(adaptedName, &st) == 0) {
char *nam;
fd = guniquefd(adaptedName, &nam);
if (fd == -1) {
LOGCMD(*mode == 'w' ? "put" : "append", name);
return;
}
name = nam;
if (restart_point)
mode = "r+";
fout = fdopen(fd, mode);
} else
fout = fopen(adaptedName, mode);
closefunc = fclose;
if (fout == NULL) {
perror_reply(553, name);
LOGCMD(*mode == 'w' ? "put" : "append", name);
return;
}
byte_count = -1;
if (restart_point) {
if (type == TYPE_A) {
off_t i, n;
int c;
n = restart_point;
i = 0;
while (i++ < n) {
if ((c=getc(fout)) == EOF) {
perror_reply(550, name);
goto done;
}
if (c == '\n')
i++;
}
/*
* We must do this seek to "current" position
* because we are changing from reading to
* writing.
*/
if (fseek(fout, 0L, SEEK_CUR) < 0) {
perror_reply(550, name);
goto done;
}
} else if (lseek(fileno(fout), restart_point, SEEK_SET) < 0) {
perror_reply(550, name);
goto done;
}
}
din = dataconn(adaptedName, (off_t)-1, "r");
if (din == NULL)
goto done;
if (receive_data(din, fout) == 0) {
if (unique)
reply(226, "Transfer complete (unique file name:%s).",
name);
else
reply(226, "Transfer complete.");
}
(void) fclose(din);
data = -1;
pdata = -1;
done:
LOGBYTES(*mode == 'w' ? "put" : "append", name, byte_count);
(*closefunc)(fout);
}
static FILE * getdatasock(const char *mode)
{
int on = 1, s, t, tries;
if (data >= 0)
return (fdopen(data, mode));
(void) seteuid((uid_t)0);
s = socket(AF_INET, SOCK_STREAM, 0);
if (s < 0)
goto bad;
if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
(char *) &on, sizeof(on)) < 0)
goto bad;
/* anchor socket to avoid multi-homing problems */
data_source.sin_family = AF_INET;
data_source.sin_addr = ctrl_addr.sin_addr;
for (tries = 1; ; tries++) {
if (bind(s, (struct sockaddr *)&data_source,
sizeof(data_source)) >= 0)
break;
if (errno != EADDRINUSE || tries > 10)
goto bad;
sleep(tries);
}
(void) seteuid((uid_t)pw->pw_uid);
return (fdopen(s, mode));
bad:
/* Return the real value of errno (close may change it) */
t = errno;
(void) seteuid((uid_t)pw->pw_uid);
(void) close(s);
errno = t;
return (NULL);
}
static FILE * dataconn(const char *name, off_t size, const char *mode)
{
char sizebuf[32];
FILE *file;
int retry = 0;
file_size = size;
byte_count = 0;
if (size != (off_t) -1) {
(void) snprintf(sizebuf, sizeof(sizebuf), " (%lld bytes)",
(quad_t) size);
} else
sizebuf[0] = '\0';
if (pdata >= 0) {
struct sockaddr_in from;
int s;
socklen_t fromlen = sizeof(from);
s = accept(pdata, (struct sockaddr *)&from, &fromlen);
//TODO: OE bug ? sizebuf seems to be changed to 0x18 after accept
//reassigning sizebuf
if (size != (off_t) -1) {
(void) snprintf(sizebuf, sizeof(sizebuf), " (%lld bytes)",
(quad_t) size);
} else
sizebuf[0] = '\0';
if (s < 0) {
reply(425, "Can't open data connection.");
(void) close(pdata);
pdata = -1;
return (NULL);
}
if (ntohs(from.sin_port) < IPPORT_RESERVED) {
perror_reply(425, "Can't build data connection");
(void) close(pdata);
(void) close(s);
pdata = -1;
return (NULL);
}
if (from.sin_addr.s_addr != his_addr.sin_addr.s_addr) {
perror_reply(435, "Can't build data connection");
(void) close(pdata);
(void) close(s);
pdata = -1;
return (NULL);
}
(void) close(pdata);
pdata = s;
if (size != (off_t) -1) {
(void) snprintf(sizebuf, sizeof(sizebuf), " (%lld bytes)",
(quad_t) size);
} else
sizebuf[0] = '\0';
reply(150, "Opening %s mode data connection for '%s'%s.",
type == TYPE_A ? "ASCII" : "BINARY", name, sizebuf);
return (fdopen(pdata, mode));
}
if (data >= 0) {
reply(125, "Using existing data connection for '%s'%s.",
name, sizebuf);
usedefault = 1;
return (fdopen(data, mode));
}
if (usedefault)
data_dest = his_addr;
usedefault = 1;
file = getdatasock(mode);
if (file == NULL) {
reply(425, "Can't create data socket (%s,%d): %s.",
inet_ntoa(data_source.sin_addr),
ntohs(data_source.sin_port), strerror(errno));
return (NULL);
}
data = fileno(file);
/*
* attempt to connect to reserved port on client machine;
* this looks like an attack
*/
if (ntohs(data_dest.sin_port) < IPPORT_RESERVED ||
ntohs(data_dest.sin_port) == 2049) { /* XXX */
perror_reply(425, "Can't build data connection");
(void) fclose(file);
data = -1;
return NULL;
}
if (data_dest.sin_addr.s_addr != his_addr.sin_addr.s_addr) {
perror_reply(435, "Can't build data connection");
(void) fclose(file);
data = -1;
return NULL;
}
while (connect(data, (struct sockaddr *)&data_dest,
sizeof(data_dest)) < 0) {
if (errno == EADDRINUSE && retry < swaitmax) {
sleep((unsigned) swaitint);
retry += swaitint;
continue;
}
perror_reply(425, "Can't build data connection");
(void) fclose(file);
data = -1;
return (NULL);
}
reply(150, "Opening %s mode data connection for '%s'%s.",
type == TYPE_A ? "ASCII" : "BINARY", name, sizebuf);
return (file);
}
/*
* Tranfer the contents of "instr" to "outstr" peer using the appropriate
* encapsulation of the data subject to Mode, Structure, and Type.
*
* NB: Form isn't handled.
*/
static void send_data(FILE *instr, FILE *outstr, off_t blksize, off_t filesize, int isreg)
{
int c, cnt, filefd, netfd;
char *buf, *bp;
size_t len,size;
transflag++;
if (setjmp(urgcatch)) {
transflag = 0;
return;
}
switch (type) {
case TYPE_A:
while ((c = getc(instr)) != EOF) {
byte_count++;
(void) putc(c, outstr);
}
fflush(outstr);
transflag = 0;
if (ferror(instr))
goto file_err;
if (ferror(outstr))
goto data_err;
reply(226, "Transfer complete.");
return;
case TYPE_I:
case TYPE_L:
/*
* isreg is only set if we are not doing restart and we
* are sending a regular file
*/
netfd = fileno(outstr);
filefd = fileno(instr);
if (isreg && filesize < (off_t)16 * 1024 * 1024) {
buf = (char *)mmap(0, filesize, PROT_READ, MAP_SHARED, filefd, (off_t)0);
if (buf==MAP_FAILED || buf==NULL) {
goto oldway;
}
bp = buf;
len = filesize;
do {
cnt = write(netfd, bp, len);
len -= cnt;
bp += cnt;
if (cnt > 0) byte_count += cnt;
} while(cnt > 0 && len > 0);
transflag = 0;
munmap(buf, (size_t)filesize);
if (cnt < 0)
goto data_err;
reply(226, "Transfer complete.");
return;
}
oldway:
size = blksize * 16;
if ((buf = (char *)malloc(size)) == NULL) {
transflag = 0;
perror_reply(451, "Local resource failure: malloc");
return;
}
while ((cnt = read(filefd, buf, size)) > 0 &&
write(netfd, buf, cnt) == cnt)
byte_count += cnt;
transflag = 0;
(void)free(buf);
if (cnt != 0) {
if (cnt < 0)
goto file_err;
goto data_err;
}
reply(226, "Transfer complete.");
return;
default:
transflag = 0;
reply(550, "Unimplemented TYPE %d in send_data", type);
return;
}
data_err:
transflag = 0;
perror_reply(426, "Data connection");
return;
file_err:
transflag = 0;
perror_reply(551, "Error on input file");
}
/*
* Transfer data from peer to "outstr" using the appropriate encapulation of
* the data subject to Mode, Structure, and Type.
*
* N.B.: Form isn't handled.
*/
static int receive_data(FILE *instr, FILE *outstr)
{
int c;
int cnt;
volatile int bare_lfs = 0;
char buf[BUFSIZ];
transflag++;
if (setjmp(urgcatch)) {
transflag = 0;
return (-1);
}
switch (type) {
case TYPE_I:
case TYPE_L:
do {
cnt = read(fileno(instr), buf, sizeof(buf));
if (cnt > 0) {
if (write(fileno(outstr), buf, cnt) != cnt)
goto file_err;
byte_count += cnt;
}
} while (cnt > 0);
transflag = 0;
return (0);
case TYPE_E:
reply(553, "TYPE E not implemented.");
transflag = 0;
return (-1);
case TYPE_A:
while ((c = getc(instr)) != EOF) {
byte_count++;
(void) putc(c, outstr);
}
fflush(outstr);
if (ferror(outstr))
goto file_err;
transflag = 0;
if (bare_lfs) {
lreply(226,
"WARNING! %d bare linefeeds received in ASCII mode",
bare_lfs);
(void)printf(" File may not have transferred correctly.\r\n");
}
return (0);
default:
reply(550, "Unimplemented TYPE %d in receive_data", type);
transflag = 0;
return (-1);
}
file_err:
transflag = 0;
perror_reply(452, "Error writing file");
return (-1);
}
void statfilecmd(char *filename)
{
FILE *fin;
int c;
char line[LINE_MAX];
char adaptedName[MAXPATHLEN];
internalName(adaptedName,filename);
(void)snprintf(line, sizeof(line), "/bin/ls -lgA %s", filename);
fin = ftpd_popen(line, "r");
lreply(211, "status of %s:", filename);
while ((c = getc(fin)) != EOF) {
if (c == '\n') {
if (ferror(stdout)){
perror_reply(421, "control connection");
(void) ftpd_pclose(fin);
dologout(1);
/* NOTREACHED */
}
if (ferror(fin)) {
perror_reply(551, filename);
(void) ftpd_pclose(fin);
return;
}
(void) putc('\r', stdout);
}
(void) putc(c, stdout);
}
(void) ftpd_pclose(fin);
reply(211, "End of Status");
}
void statcmd(void)
{
struct sockaddr_in *sn;
u_char *a, *p;
lreply(211, "%s FTP server status:", hostname, version);
printf(" %s\r\n", version);
printf(" Connected to %s", remotehost);
if (!isdigit(remotehost[0]))
printf(" (%s)", inet_ntoa(server_in_addr));
printf("\r\n");
if (logged_in) {
if (guest)
printf(" Logged in anonymously\r\n");
else
printf(" Logged in as %s\r\n", pw->pw_name);
} else if (askpasswd)
printf(" Waiting for password\r\n");
else
printf(" Waiting for user name\r\n");
printf(" TYPE: %s", typenames[type]);
if (type == TYPE_A || type == TYPE_E)
printf(", FORM: %s", formnames[form]);
if (type == TYPE_L)
#if CHAR_BIT == 8
printf(" %d", CHAR_BIT);
#else
printf(" %d", bytesize); /* need definition! */
#endif
printf("; STRUcture: %s; transfer MODE: %s\r\n",
strunames[stru], modenames[mode]);
if (data != -1)
printf(" Data connection open\r\n");
else if (pdata != -1) {
printf(" in Passive mode");
sn = &pasv_addr;
goto printaddr;
} else if (usedefault == 0) {
printf(" PORT");
sn = &data_dest;
printaddr:
a = (u_char *) &sn->sin_addr;
p = (u_char *) &sn->sin_port;
#define UC(b) (((int) b) & 0xff)
printf(" (%d,%d,%d,%d,%d,%d)\r\n", UC(a[0]),
UC(a[1]), UC(a[2]), UC(a[3]), UC(p[0]), UC(p[1]));
#undef UC
} else
printf(" No data connection\r\n");
printf(" System Drive: %c\r\n",'A'+drive);
reply(211, "End of status");
}
void fatal(const char *s)
{
reply(451, "Error in server: %s\n", s);
reply(221, "Closing connection due to server error.");
dologout(0);
/* NOTREACHED */
}
void
#ifdef __STDC__
reply(int n, const char *fmt, ...)
#else
reply(int n, char *fmt, va_dcl va_alist)
#endif
{
va_list ap;
#ifdef __STDC__
va_start(ap, fmt);
#else
va_start(ap);
#endif
(void)printf("%d ", n);
(void)vprintf(fmt, ap);
(void)printf("\r\n");
(void)fflush(stdout);
}
void
#ifdef __STDC__
lreply(int n, const char *fmt, ...)
#else
lreply(n, fmt, va_alist)
int n;
char *fmt;
va_dcl
#endif
{
va_list ap;
#ifdef __STDC__
va_start(ap, fmt);
#else
va_start(ap);
#endif
(void)printf("%d- ", n);
(void)vprintf(fmt, ap);
(void)printf("\r\n");
(void)fflush(stdout);
}
static void ack(const char *s)
{
reply(250, "%s command successful.", s);
}
void nack(const char *s)
{
reply(502, "%s command not implemented.", s);
}
/* ARGSUSED */
void yyerror(char *s)
{
char *cp;
(void)s; /* ignore argument */
if ((cp = strchr(cbuf,'\n'))!=NULL)
*cp = '\0';
reply(500, "'%s': command not understood.", cbuf);
}
void dele(char *name)
{
struct stat st;
char internalPath[MAXPATHLEN];
internalName(internalPath,name);
LOGCMD("delete", name);
if (stat(internalPath, &st) < 0) {
perror_reply(550, name);
return;
}
if ((st.st_mode&S_IFMT) == S_IFDIR) {
if (rmdir(internalPath) < 0) {
perror_reply(550, name);
return;
}
goto done;
}
if (unlink(internalPath) < 0) {
perror_reply(550, name);
return;
}
done:
ack("DELE");
}
void cwd(const char *path)
{
FILE *message;
LOGCMD("cwd", path);
char internalPath[MAXPATHLEN];
char cwd_path[MAXPATHLEN];
getcwd(cwd_path, sizeof cwd_path);
if( (strlen(path)==1 && path[0]=='/') || (strlen(cwd_path)==2 && strcmp(path,"..")==0))
{
root=1;
ack("CWD");
}
else
{
internalName(internalPath, path);
if (chdir(internalPath) < 0)
perror_reply(550, path);
else {
if ((message = fopen(_PATH_CWDMESG, "r")) != NULL) {
char *cp, line[LINE_MAX];
while (fgets(line, sizeof(line), message) != NULL) {
if ((cp = strchr(line, '\n')) != NULL)
*cp = '\0';
lreply(250, "%s", line);
}
(void) fflush(stdout);
(void) fclose(message);
}
root = 0;
ack("CWD");
}
}
}
void replydirname(const char *name, const char *message)
{
char npath[MAXPATHLEN];
int i;
for (i = 0; *name != '\0' && i < (int)sizeof(npath) - 1; i++, name++) {
npath[i] = *name;
if (*name == '"')
npath[++i] = '"';
}
npath[i] = '\0';
reply(257, "\"%s\" %s", npath, message);
}
void makedir(char *name)
{
LOGCMD("mkdir", name);
char path[MAXPATHLEN];
internalName(path, name);
if (mkdir(path, 0777) < 0)
perror_reply(550, name);
else
replydirname(name, "directory created.");
}
void removedir(char *name)
{
char path[MAXPATHLEN];
internalName(path, name);
LOGCMD("rmdir", name);
if (rmdir(path) < 0)
perror_reply(550, name);
else
ack("RMD");
}
void pwd(void)
{
char path[MAXPATHLEN];
if(root)
{
replydirname("/", "is current directory.");
}
else
if (getcwd(path, sizeof path) == (char *)NULL)
{
externalName(path, path);
reply(550, "%s.", path);
}
else
{
externalName(path, path);
replydirname(path, "is current directory.");
}
}
char * renamefrom(char *name)
{
struct stat st;
char internal[MAXPATHLEN];
internalName(internal,name);
if (stat(internal, &st) < 0) {
perror_reply(550, name);
return ((char *)0);
}
reply(350, "File exists, ready for destination name");
return (name);
}
void renamecmd(char *from, char *to)
{
char internalFrom[MAXPATHLEN];
char internalTo[MAXPATHLEN];
internalName(internalFrom,from);
internalName(internalTo,to);
LOGCMD2("rename", from, to);
if (rename(internalFrom, internalTo) < 0)
perror_reply(550, "rename");
else
ack("RNTO");
}
static void dolog(struct sockaddr_in *sn)
{
struct hostent *hp = gethostbyaddr((char *)&sn->sin_addr,
sizeof(struct in_addr), AF_INET);
if (hp)
(void) strncpy(remotehost, hp->h_name, sizeof(remotehost)-1);
else
(void) strncpy(remotehost, inet_ntoa(sn->sin_addr),
sizeof(remotehost)-1);
remotehost[sizeof(remotehost)-1] = '\0';
}
/*
* Record logout in wtmp file
* and exit with supplied status.
*/
void dologout(int status)
{
transflag = 0;
if(logging)
{
fclose(logFile);
}
if (logged_in) {
(void) seteuid((uid_t)0);
if (doutmp)
logout(utmp.ut_line);
}
/* beware of flushing buffers after a SIGPIPE */
_exit(status);
}
/*
* Note: a response of 425 is not mentioned as a possible response to
* the PASV command in RFC959. However, it has been blessed as
* a legitimate response by Jon Postel in a telephone conversation
* with Rick Adams on 25 Jan 89.
*/
void passive(void)
{
socklen_t len;
#ifdef IP_PORTRANGE
int on;
#else
u_short port;
#endif
char *p, *a;
if (pw == NULL) {
reply(530, "Please login with USER and PASS");
return;
}
if (pdata >= 0)
close(pdata);
pdata = socket(AF_INET, SOCK_STREAM, 0);
if (pdata < 0) {
perror_reply(425, "Can't open passive connection");
return;
}
#ifdef IP_PORTRANGE
on = high_data_ports ? IP_PORTRANGE_HIGH : IP_PORTRANGE_DEFAULT;
if (setsockopt(pdata, IPPROTO_IP, IP_PORTRANGE,
(char *)&on, sizeof(on)) < 0)
goto pasv_error;
#else
#define FTP_DATA_BOTTOM 40000
#define FTP_DATA_TOP 44999
if (high_data_ports) {
for (port = FTP_DATA_BOTTOM; port <= FTP_DATA_TOP; port++) {
pasv_addr = ctrl_addr;
pasv_addr.sin_port = htons(port);
if (bind(pdata, (struct sockaddr *) &pasv_addr,
sizeof(pasv_addr)) == 0)
break;
if (errno != EADDRINUSE)
goto pasv_error;
}
if (port > FTP_DATA_TOP)
goto pasv_error;
}
else
#endif
{
pasv_addr = ctrl_addr;
pasv_addr.sin_port = 0;
if (bind(pdata, (struct sockaddr *)&pasv_addr,
sizeof(pasv_addr)) < 0)
goto pasv_error;
}
len = sizeof(pasv_addr);
if (getsockname(pdata, (struct sockaddr *) &pasv_addr, &len) < 0)
goto pasv_error;
if (listen(pdata, 1) < 0)
goto pasv_error;
in_addr addr = getServerAddress();
a = (char *) &addr;
p = (char *) &pasv_addr.sin_port;
#define UC(b) (((int) b) & 0xff)
reply(227, "Entering Passive Mode (%d,%d,%d,%d,%d,%d)", UC(a[0]),
UC(a[1]), UC(a[2]), UC(a[3]), UC(p[0]), UC(p[1]));
return;
pasv_error:
(void) close(pdata);
pdata = -1;
perror_reply(425, "Can't open passive connection");
return;
}
/*
* Generate unique name for file with basename "local".
* The file named "local" is already known to exist.
* Generates failure reply on error.
*/
static int guniquefd(const char *local, char **nam)
{
static char newch[MAXPATHLEN];
struct stat st;
int count, len, fd;
char *cp;
cp = strrchr(local, '/');
if (cp)
*cp = '\0';
if (stat(cp ? local : ".", &st) < 0) {
perror_reply(553, cp ? local : ".");
return (-1);
}
if (cp)
*cp = '/';
(void) strncpy(newch, local, sizeof(newch)-1);
newch[sizeof(newch)-1] = '\0';
len = strlen(newch);
if (len+2+1 >= (int)sizeof(newch)-1)
return (-1);
cp = newch + len;
*cp++ = '.';
for (count = 1; count < 100; count++) {
(void)snprintf(cp, sizeof(newch) - (cp - newch), "%d", count);
fd = open(newch, O_RDWR|O_CREAT|O_EXCL, 0666);
if (fd == -1)
continue;
if (nam)
*nam = newch;
return (fd);
}
reply(452, "Unique file name cannot be created.");
return (-1);
}
/*
* Format and send reply containing system error number.
*/
void perror_reply(int code, const char *string)
{
reply(code, "%s: %s.", string, strerror(errno));
}
static const char *onefile[] = {
"",
0
};
void send_file_list(const char *whichf, int simple)
{
struct stat st;
DIR *dirp = NULL;
struct dirent *dir;
FILE *volatile dout = NULL;
char const *const *volatile dirlist;
const char *dirname;
//volatile int simple = 0;
volatile int freeglob = 0;
glob_t gl;
char time[26];
char internal_whichf[MAXPATHLEN];
//remove modifier for hidden files "-a"
if(whichf[0]=='-' && whichf[1]=='a')
{
strcpy(internal_whichf,whichf+2);
//if target location is empty, set "."
if(internal_whichf[0]==0)
strcpy(internal_whichf,".");
internalName(internal_whichf,internal_whichf);
}
else
{
internalName(internal_whichf,whichf);
}
LOGCMD("send_file_list",internal_whichf);
/* XXX: should the { go away if __linux__? */
if((root && strcmp(internal_whichf, ".")==0) || strcmp(internal_whichf, "/")==0 )
{
if (dout == NULL) {
dout = dataconn("file list", (off_t)-1,
"w");
if (dout == NULL)
goto out;
transflag++;
}
//get the drives list
RFs fileSystem;
fileSystem.Connect();
TDriveList driveList;
fileSystem.DriveList(driveList);
if (simple)
{
for(int i=0; i<driveList.Length(); i++)
{
if(driveList[i]!=0)
{
fprintf(dout,"%c%s\n", 'A'+i ,type == TYPE_A ? "\r" : "");
}
}
}
else
{
for(int i=0; i<driveList.Length(); i++)
{
if(driveList[i]!=0)
{
fprintf(dout,"drw------- 1 ftp ftp 0 Jan 01 2008 %c%s\n", 'A'+i ,type == TYPE_A ? "\r" : "");
}
}
}
fileSystem.Close();
}
else
{
if (strpbrk(whichf, "~{[*?") != NULL) {
#ifdef __linux__
/* see popen.c */
int flags = GLOB_NOCHECK;
#else
int flags = GLOB_BRACE|GLOB_NOCHECK|GLOB_QUOTE|GLOB_TILDE;
#endif
memset(&gl, 0, sizeof(gl));
freeglob = 1;
if (glob(internal_whichf, flags, 0, &gl)) {
reply(550, "not found");
goto out;
} else if (gl.gl_pathc == 0) {
errno = ENOENT;
perror_reply(550, whichf);
goto out;
}
/* The cast is necessary because of bugs in C's type system */
dirlist = (char const *const *) gl.gl_pathv;
} else {
onefile[0] = internal_whichf;
dirlist = onefile;
}
if (setjmp(urgcatch)) {
transflag = 0;
goto out;
}
while ((dirname = *dirlist++)!=NULL) {
if (stat(dirname, &st) < 0) {
perror_reply(550, whichf);
if (dout != NULL) {
(void) fclose(dout);
transflag = 0;
data = -1;
pdata = -1;
}
goto out;
}
if (S_ISREG(st.st_mode)) {
if (dout == NULL) {
dout = dataconn("file list", (off_t)-1, "w");
if (dout == NULL)
goto out;
transflag++;
}
} else if (!S_ISDIR(st.st_mode))
continue;
if ((dirp = opendir(dirname)) == NULL)
continue;
while ((dir = readdir(dirp)) != NULL) {
char nbuf[MAXPATHLEN];
if (dir->d_name[0] == '.' && dir->d_namlen == 1)
continue;
if (dir->d_name[0] == '.' && dir->d_name[1] == '.' &&
dir->d_namlen == 2)
continue;
snprintf(nbuf, sizeof(nbuf), "%s/%s", dirname,
dir->d_name);
/*
* We have to do a stat to insure it's
* not a directory or special file.
*/
stat(nbuf, &st);
if (simple){
if (dout == NULL) {
dout = dataconn("file list", (off_t)-1,
"w");
if (dout == NULL)
goto out;
transflag++;
}
fprintf(dout, "%s%s\n", dir->d_name, type == TYPE_A ? "\r" : "");
byte_count += strlen(nbuf) + 1;
}
else //!simple
{
if (dout == NULL) {
dout = dataconn("file list", (off_t)-1,
"w");
if (dout == NULL)
goto out;
transflag++;
}
ctime_r(&st.st_atime,time);
//"Mon Dec 10 17:35:44 2007"
char month[4];
month[0] = time[4]; //'D'
month[1] = time[5]; //'e'
month[2] = time[6]; //'c'
month[3] = '\0';
char day[3];
day[0] = time[8]; //'1'
day[1] = time[9]; //'0'
day[2] = '\0';
char year[5];
year[0] = time[20]; //'2'
year[1] = time[21]; //'0'
year[2] = time[22]; //'0'
year[3] = time[23]; //'7'
year[4] = '\0';
fprintf(dout, "%c%c%c%c%c%c%c%c%c%c 1 ftp ftp %9jd %s %s %s %s%s\n",
S_ISDIR(st.st_mode) ? 'd' : '-',
st.st_mode & S_IRUSR ? 'r' : '-',
st.st_mode & S_IWUSR ? 'w' : '-',
st.st_mode & S_IXUSR ? 'x' : '-',
st.st_mode & S_IRGRP ? 'r' : '-',
st.st_mode & S_IWGRP ? 'w' : '-',
st.st_mode & S_IXGRP ? 'x' : '-',
st.st_mode & S_IROTH ? 'r' : '-',
st.st_mode & S_IWOTH ? 'w' : '-',
st.st_mode & S_IXOTH ? 'x' : '-',
st.st_size,
month,
day,
year,
dir->d_name,
type == TYPE_A ? "\r" : ""
);
}
}
(void) closedir(dirp);
}
}
if (dout == NULL)
reply(550, "No files found.");
else if (ferror(dout) != 0)
perror_reply(550, "Data connection");
else
reply(226, "Transfer complete.");
transflag = 0;
if (dout != NULL)
(void) fclose(dout);
data = -1;
pdata = -1;
out:
if (freeglob) {
freeglob = 0;
globfree(&gl);
}
}
void logxfer(const char *name, off_t size, time_t start)
{
char buf[400 + MAXHOSTNAMELEN*4 + MAXPATHLEN*4];
char dir[MAXPATHLEN], path[MAXPATHLEN], rpath[MAXPATHLEN];
char vremotehost[MAXHOSTNAMELEN*4], vpath[MAXPATHLEN*4];
char *vpw;
time_t now;
if ((statfd >= 0) && (getcwd(dir, sizeof(dir)) != NULL)) {
time(&now);
vpw = (char *)malloc(strlen((guest) ? guestpw : pw->pw_name)*4+1);
if (vpw == NULL)
return;
snprintf(path, sizeof path, "%s/%s", dir, name);
if (realpath(path, rpath) == NULL) {
strncpy(rpath, path, sizeof rpath-1);
rpath[sizeof rpath-1] = '\0';
}
snprintf(buf, sizeof(buf),
"%.24s %ld %s %qd %s %c %s %c %c %s ftp %d %s %s\n",
ctime(&now), (long)(now - start + (now == start)),
vremotehost, (long long) size, vpath,
((type == TYPE_A) ? 'a' : 'b'), "*" /* none yet */,
'o', ((guest) ? 'a' : 'r'),
vpw, 0 /* none yet */,
((guest) ? "*" : pw->pw_name),
dhostname);
write(statfd, buf, strlen(buf));
free(vpw);
}
}
TDriveNumber getSystemDrive()
{
_LIT(KFileSrvDll, "efsrv.dll");
TDriveNumber defaultSysDrive(EDriveC);
RLibrary pluginLibrary;
TInt pluginErr = pluginLibrary.Load(KFileSrvDll);
if (pluginErr == KErrNone)
{
typedef TDriveNumber(*fun1)();
fun1 sysdrive;
#ifdef __EABI__
sysdrive = (fun1)pluginLibrary.Lookup(336);
#else
sysdrive = (fun1)pluginLibrary.Lookup(304);
#endif
if(sysdrive!=NULL)
{
defaultSysDrive = sysdrive();
}
}
pluginLibrary.Close();
return defaultSysDrive;
}
in_addr getServerAddress()
{
in_addr address;
//default adddress to be returned if failure
inet_aton("0.0.0.0", &address);
RSocketServ rSockServer;
if(KErrNone==rSockServer.Connect())
{
RConnection rConnect;
if(KErrNone==rConnect.Open(rSockServer))
{
TRequestStatus status;
rConnect.Start(status);
User::WaitForRequest(status);
}
}
TAutoClose<RSocketServ> ss;
User::LeaveIfError(ss.iObj.Connect());
ss.PushL();
TAutoClose<RSocket> sock;
User::LeaveIfError(sock.iObj.Open(ss.iObj, _L("udp")));
sock.PushL();
User::LeaveIfError(sock.iObj.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl));
TProtocolDesc in;
User::LeaveIfError(sock.iObj.Info(in));
TPckgBuf<TSoInetInterfaceInfo> info, next;
TInt res=sock.iObj.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, info);
while(res==KErrNone)
{
res=sock.iObj.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, next);
if(info().iState != EIfUp || info().iFeatures&KIfIsLoopback || info().iName.Left(4) == _L("eth6"))
{
info = next; continue;
}
TName address_descriptor;
char address_string[16]; //xxx.xxx.xxx.xxx\0
info().iAddress.Output(address_descriptor);
int i=0;
for(i=0; i<address_descriptor.Length(); i++)
{
address_string[i]=address_descriptor[i];
}
address_string[i]='\0';
inet_aton(address_string, &address);
if(res==KErrNone)
{
info = next;
}
}
sock.Pop();
ss.Pop();
rSockServer.Close();
return address;
}
void sizecmd(char *filename)
{
char internalFilename[MAXPATHLEN];
internalName(internalFilename,filename);
switch (type) {
case TYPE_L:
case TYPE_I:
case TYPE_A: {
struct stat stbuf;
if (stat(internalFilename, &stbuf) < 0 || !S_ISREG(stbuf.st_mode))
reply(550, "%s: not a plain file.", filename);
else
reply(213, "%qu", (quad_t) stbuf.st_size);
break; }
default:
reply(504, "SIZE not implemented for Type %c.", "?AEIL"[type]);
}
}