/*
* bbftpc/bbftp_retr.c
* Copyright (C) 1999, 2000, 2001, 2002 IN2P3, CNRS
* bbftp@in2p3.fr
* http://doc.in2p3.fr/bbftp
*
* 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 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.
*/
/****************************************************************************
bbftp_retr.c v 2.0.0 2000/12/19 - Routines creation
v 2.0.1 2001/04/19 - Correct indentation
- Port to IRIX
- Close all file descriptor not needed in child
(bug shown by Alvise Dorigo)
v 2.0.2 2001/05/12 - Change phylosophie due to CASTOR
rewinddir bug
*****************************************************************************/
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <fnmatch.h>
#include <netinet/in.h>
#include <signal.h>
#include <stdio.h>
#include <syslog.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <bbftp.h>
#include <common.h>
#include <client.h>
#include <client_proto.h>
#include <structures.h>
#ifdef WITH_GZIP
#include <zlib.h>
#endif
#if !defined (O_BINARY)
# define O_BINARY 0
#endif
extern int debug ;
extern int warning ;
extern int verbose ;
extern int timestamp ;
extern int *mychildren;
extern int transferoption ;
extern int filemode ;
extern char lastaccess[9] ;
extern char lastmodif[9] ;
extern int sendwinsize ;
extern int recvwinsize ;
extern int buffersizeperstream ;
extern int requestedstreamnumber ;
extern my64_t filesize ;
extern char *curfilename ;
extern char *realfilename;
extern int *myports ;
extern int *mysockets ;
extern char *readbuffer ;
extern char *compbuffer ;
extern int incontrolsock ;
extern int outcontrolsock ;
extern int ackto ;
extern int datato ;
extern int nbport ;
extern int protocol ;
/*******************************************************************************
** bbftp_retrlisdir : *
** *
** Routine to list a directory *
** *
** OUPUT variable : *
** logmessage : to write the error message in case of error *
** *
** GLOBAL VARIABLE USED : * *
** *
** RETURN: *
** -1 Unrecoverable error *
** 0 OK *
** 1 recoverable error *
** *
*******************************************************************************/
int bbftp_retrlistdir(char *pattern,char **filelist,int *filelistlen,char *logmessage,int *errcode)
{
int lastslash ;
char *pointer ;
char *dirpath ;
DIR *curdir ;
#ifdef STANDART_FILE_CALL
struct dirent *dp ;
struct stat statbuf;
#else
#ifdef STANDART_READDIR_CALL
struct dirent *dp ;
#else
struct dirent64 *dp ;
#endif
struct stat64 statbuf ;
#endif
int lengthtosend;
int numberoffile ;
/*
** Structure to keep the filenames
*/
struct keepfile {
char *filename ;
char filechar[3] ;
struct keepfile *next ;
} ;
struct keepfile *first_item ;
struct keepfile *current_item ;
struct keepfile *used_item ;
char *filepos ;
int i ;
/*
** Check if it is a rfio creation
*/
#if defined(WITH_RFIO) || defined(WITH_RFIO64)
if ( (transferoption & TROPT_RFIO_O) == TROPT_RFIO_O ) {
return bbftp_retrlistdir_rfio(pattern,filelist,filelistlen,logmessage,errcode) ;
}
#endif
if ( (dirpath = (char *) malloc ( strlen(pattern) + 1 + 3 )) == NULL ) {
sprintf(logmessage,"Error allocating memory for dirpath %s",strerror(errno)) ;
*errcode = 35 ;
return -1 ;
}
pointer = pattern ;
lastslash = strlen(pointer) - 1 ;
while ( lastslash >= 0 && pointer[lastslash] != '/') lastslash-- ;
if ( lastslash == -1 ) {
/*
** No slash in the path, so this is a pattern and we have
** to opendir .
*/
if ( (curdir = opendir(".")) == NULL ) {
sprintf(logmessage,"opendir . failed : %s ",strerror(errno)) ;
*errcode = 86 ;
free(dirpath) ;
return -1 ;
}
strcpy(dirpath,"./") ;
} else if ( lastslash == 0 ) {
/*
** A slash in first position so we are going to open the
** / directory
*/
if ( (curdir = opendir("/")) == NULL ) {
sprintf(logmessage,"opendir / failed : %s ",strerror(errno)) ;
*errcode = 86 ;
free(dirpath) ;
return -1 ;
}
strcpy(dirpath,"/") ;
pointer++ ;
} else if ( lastslash == strlen(pointer) - 1 ) {
/*
** The filename end with a slash ..... error
*/
sprintf(logmessage,"Pattern %s ends with a /",pattern) ;
*errcode = 87 ;
free(dirpath) ;
return -1;
} else {
pointer[lastslash] = '\0';
/*
** Srip unnecessary / at the end of dirpath and reset
** only one
*/
strcpy(dirpath,pointer) ;
strip_trailing_slashes(dirpath) ;
dirpath[strlen(dirpath)+1] = '\0';
dirpath[strlen(dirpath)] = '/';
if ( (curdir = opendir(dirpath)) == NULL ) {
sprintf(logmessage,"opendir %s failed : %s ",dirpath,strerror(errno)) ;
*errcode = 86 ;
free(dirpath) ;
return -1 ;
}
for ( i = 0 ; i <= lastslash ; i++ ) pointer++ ;
}
/*
** At this stage pointer point to the pattern and curdir
** is the opened directory and dirpath contain the
** directory name
*/
/*
** As we are using the fnmatch routine we are obliged to
** first count the number of bytes we are sending.
*/
lengthtosend = 0 ;
numberoffile = 0 ;
errno = 0 ;
first_item = NULL ;
#ifdef STANDART_FILE_CALL
while ( (dp = readdir(curdir) ) != NULL) {
#else
#ifdef STANDART_READDIR_CALL
while ( (dp = readdir(curdir) ) != NULL) {
#else
while ( (dp = readdir64(curdir) ) != NULL) {
#endif
#endif
if ( fnmatch(pointer, dp->d_name,0) == 0) {
numberoffile++ ;
lengthtosend = lengthtosend + strlen(dirpath) + strlen(dp->d_name) + 1 + 3 ;
if ( ( current_item = (struct keepfile *) malloc( sizeof(struct keepfile)) ) == NULL ) {
sprintf(logmessage,"Error getting memory for structure : %s",strerror(errno)) ;
*errcode = 35 ;
current_item = first_item ;
while ( current_item != NULL ) {
free(current_item->filename) ;
used_item = current_item->next ;
free(current_item) ;
current_item = used_item ;
}
closedir(curdir) ;
free(dirpath) ;
return -1 ;
}
if ( ( current_item->filename = (char *) malloc( strlen(dirpath) + strlen(dp->d_name) + 1) ) == NULL ) {
sprintf(logmessage,"Error getting memory for filename : %s",strerror(errno)) ;
*errcode = 35 ;
/*
** Clean memory
*/
free(current_item) ;
current_item = first_item ;
while ( current_item != NULL ) {
free(current_item->filename) ;
used_item = current_item->next ;
free(current_item) ;
current_item = used_item ;
}
closedir(curdir) ;
free(dirpath) ;
return -1 ;
}
current_item->next = NULL ;
if ( first_item == NULL ) {
first_item = current_item ;
used_item = first_item ;
} else {
used_item = first_item ;
while ( used_item->next != NULL ) used_item = used_item->next ;
used_item->next = current_item ;
}
sprintf(current_item->filename,"%s%s",dirpath,dp->d_name) ;
#ifdef STANDART_FILE_CALL
if ( lstat(current_item->filename,&statbuf) < 0 ) {
#else
if ( lstat64(current_item->filename,&statbuf) < 0 ) {
#endif
sprintf(logmessage,"Error lstating file %s",current_item->filename) ;
*errcode = 89 ;
current_item = first_item ;
while ( current_item != NULL ) {
free(current_item->filename) ;
used_item = current_item->next ;
free(current_item) ;
current_item = used_item ;
}
closedir(curdir) ;
free(dirpath) ;
return -1 ;
}
if ( (statbuf.st_mode & S_IFLNK) == S_IFLNK) {
current_item->filechar[0] = 'l' ;
#ifdef STANDART_FILE_CALL
if ( stat(current_item->filename,&statbuf) < 0 ) {
#else
if ( stat64(current_item->filename,&statbuf) < 0 ) {
#endif
/*
** That means that the link refer to an unexisting file
*/
current_item->filechar[1] = 'u' ;
} else {
if ( (statbuf.st_mode & S_IFDIR) == S_IFDIR) {
current_item->filechar[1] = 'd' ;
} else {
current_item->filechar[1] = 'f' ;
}
}
} else {
current_item->filechar[0] = ' ' ;
if ( (statbuf.st_mode & S_IFDIR) == S_IFDIR) {
current_item->filechar[1] = 'd' ;
} else {
current_item->filechar[1] = 'f' ;
}
}
current_item->filechar[2] = '\0' ;
}
errno = 0 ;
}
/*
** Check errno in case of error during readdir
** for the following readir we are not going to check
** so that may be a cause of problem
*/
if ( errno != 0 ) {
sprintf(logmessage,"Error on readdir %s : %s ",dirpath,strerror(errno)) ;
*errcode = 88 ;
closedir(curdir) ;
current_item = first_item ;
while ( current_item != NULL ) {
free(current_item->filename) ;
used_item = current_item->next ;
free(current_item) ;
current_item = used_item ;
}
free(dirpath) ;
return -1 ;
}
/*
** Check if numberoffile is zero and reply now in this
** case
*/
if ( numberoffile == 0 ) {
*filelistlen = 0 ;
closedir(curdir) ;
current_item = first_item ;
while ( current_item != NULL ) {
free(current_item->filename) ;
used_item = current_item->next ;
free(current_item) ;
current_item = used_item ;
}
free(dirpath) ;
return 0 ;
}
/*
** Now everything is ready so prepare the answer
*/
if ( ( *filelist = (char *) malloc (lengthtosend) ) == NULL ) {
sprintf(logmessage,"Error allocating memory for filelist %s",strerror(errno)) ;
*errcode = 35 ;
closedir(curdir) ;
current_item = first_item ;
while ( current_item != NULL ) {
free(current_item->filename) ;
used_item = current_item->next ;
free(current_item) ;
current_item = used_item ;
}
free(dirpath) ;
return -1 ;
}
current_item = first_item ;
filepos = *filelist ;
while ( current_item != NULL ) {
sprintf(filepos,"%s",current_item->filename) ;
filepos = filepos + strlen(filepos) + 1 ;
sprintf(filepos,"%s",current_item->filechar) ;
filepos = filepos + strlen(filepos) + 1 ;
current_item = current_item->next ;
}
*filelistlen = lengthtosend ;
closedir(curdir) ;
current_item = first_item ;
while ( current_item != NULL ) {
free(current_item->filename) ;
used_item = current_item->next ;
free(current_item) ;
current_item = used_item ;
}
free(dirpath) ;
return 0 ;
}
/*******************************************************************************
** bbftp_retrcheckdir : *
** *
** Routine to check a directory *
** *
** OUPUT variable : *
** logmessage : to write the error message in case of error *
** *
** GLOBAL VARIABLE USED : * *
** *
** RETURN: *
** -1 Unrecoverable error *
** 0 OK *
** 1 recoverable error *
** *
*******************************************************************************/
int bbftp_retrcheckdir(char *filename,char *logmessage,int *errcode)
{
#ifdef STANDART_FILE_CALL
struct stat statbuf;
#else
struct stat64 statbuf ;
#endif
int savederrno ;
/*
** Check if it is a rfio creation
*/
#if defined(WITH_RFIO) || defined(WITH_RFIO64)
if ( (transferoption & TROPT_RFIO_O) == TROPT_RFIO_O ) {
return bbftp_retrcheckdir_rfio(filename,logmessage,errcode) ;
}
#endif
#ifdef STANDART_FILE_CALL
if ( stat(filename,&statbuf) < 0 ) {
#else
if ( stat64(filename,&statbuf) < 0 ) {
#endif
/*
** It may be normal to get an error if the dir
** does not exist but some error code must lead
** to the interruption of the transfer:
** EACCES : Search permission denied
** ELOOP : To many symbolic links on path
** ENAMETOOLONG : Path argument too long
** ENOTDIR : A component in path is not a directory
*/
savederrno = errno ;
if ( savederrno == EACCES ||
savederrno == ELOOP ||
savederrno == ENAMETOOLONG ||
savederrno == ENOTDIR ) {
sprintf(logmessage,"Error stating file %s : %s",filename,strerror(savederrno)) ;
*errcode = 72 ;
return -1 ;
} else {
return 0 ;
}
} else {
/*
** The file exists so check if it is a directory
*/
if ( (statbuf.st_mode & S_IFDIR) != S_IFDIR) {
sprintf(logmessage,"File %s is not a directory",filename) ;
*errcode = 76 ;
return -1 ;
}
}
return 0 ;
}
/*******************************************************************************
** bbftp_retrcheckfile : *
** *
** Routine to check a file and set the global parameters *
** *
** OUPUT variable : *
** logmessage : to write the error message in case of error *
** *
** GLOBAL VARIABLE USED : * *
** transferoption NOT MODIFIED *
** filemode MODIFIED *
** lastaccess MODIFIED *
** lastmodif MODIFIED *
** filesize MODIFIED *
** requestedstreamnumber POSSIBLY MODIFIED *
** *
** RETURN: *
** -1 Unrecoverable error *
** 0 OK *
** 1 recoverable error *
** *
*******************************************************************************/
int bbftp_retrcheckfile(char *filename,char *logmessage,int *errcode)
{
#ifdef STANDART_FILE_CALL
struct stat statbuf;
#else
struct stat64 statbuf ;
#endif
int tmpnbport ;
int savederrno ;
/*
** Check if it is a rfio creation
*/
#if defined(WITH_RFIO) || defined(WITH_RFIO64)
if ( (transferoption & TROPT_RFIO_O) == TROPT_RFIO_O ) {
return bbftp_retrcheckfile_rfio(filename,logmessage,errcode) ;
}
#endif
#ifdef STANDART_FILE_CALL
if ( stat(filename,&statbuf) < 0 ) {
#else
if ( stat64(filename,&statbuf) < 0 ) {
#endif
/*
** It may be normal to get an error if the file
** does not exist but some error code must lead
** to the interruption of the transfer:
** EACCES : Search permission denied
** ELOOP : To many symbolic links on path
** ENAMETOOLONG : Path argument too long
** ENOENT : The file does not exists
** ENOTDIR : A component in path is not a directory
*/
savederrno = errno ;
sprintf(logmessage,"Error stating file %s : %s ",filename,strerror(savederrno)) ;
*errcode = 72 ;
if ( savederrno == EACCES ||
savederrno == ELOOP ||
savederrno == ENAMETOOLONG ||
savederrno == ENOENT ||
savederrno == ENOTDIR ) {
return -1 ;
} else {
return 1 ;
}
} else {
/*
** The file exists so check if it is a directory
*/
if ( (statbuf.st_mode & S_IFDIR) == S_IFDIR) {
sprintf(logmessage,"File %s is a directory",filename) ;
*errcode = 73 ;
return -1 ;
}
}
if (S_ISREG(statbuf.st_mode)) {
filemode = statbuf.st_mode & ~S_IFREG;
} else {
filemode = statbuf.st_mode;
}
sprintf(lastaccess,"%08x",statbuf.st_atime) ;
sprintf(lastmodif,"%08x",statbuf.st_mtime) ;
lastaccess[8] = '\0' ;
lastmodif[8] = '\0' ;
filesize = statbuf.st_size ;
tmpnbport = filesize/(buffersizeperstream*1024) ;
if ( tmpnbport == 0 ) {
requestedstreamnumber = 1 ;
} else if ( tmpnbport < nbport ) {
requestedstreamnumber = tmpnbport ;
} else {
requestedstreamnumber = nbport ;
}
return 0 ;
}
/*******************************************************************************
** bbftp_retrtransferfile : *
** *
** Routine to transfer a file *
** *
** INPUT variable : *
** filename : file to send NOT MODIFIED *
** *
** OUTPUT variable : *
** logmessage : to write the error message in case of error *
** *
** GLOBAL VARIABLE USED : * *
** *
** RETURN: *
** -1 transfer failed unrecoverable error *
** 0 Keep the connection open (does not mean that the file has been *
** successfully transfered) *
** >0 Recoverable error but calling has the cleaning to do *
** *
*******************************************************************************/
int bbftp_retrtransferfile(char *filename,char *logmessage,int *errcode)
{
#ifdef STANDART_FILE_CALL
off_t nbperchild ;
off_t nbtosend;
off_t startpoint ;
off_t nbread ;
off_t numberread ;
off_t nbsent ;
off_t realnbtosend ;
#else
off64_t nbperchild ;
off64_t nbtosend;
off64_t startpoint ;
off64_t nbread ;
off64_t numberread ;
off64_t nbsent ;
off64_t realnbtosend ;
#endif
#ifdef WITH_GZIP
uLong buflen ;
uLong bufcomplen ;
#endif
int lentosend ;
int retcode ;
int *pidfree ;
int *socknumber ;
int i ;
int nfds ;
fd_set selectmask ;
struct timeval wait_timer;
int fd ;
struct mess_compress *msg_compress ;
struct message *msg ;
int compressionon ;
int sendsock ;
int *portnumber ;
extern int simulation_mode ;
/*
** Check if it is a rfio transfer
*/
#if defined(WITH_RFIO) || defined(WITH_RFIO64)
if ( (transferoption & TROPT_RFIO_O) == TROPT_RFIO_O ) {
return bbftp_retrtransferfile_rfio(filename,logmessage,errcode) ;
}
#endif
if (protocol == 2) { /* Active mode */
socknumber = mysockets ;
} else { /* Passive mode */
portnumber = myports ;
}
nbperchild = filesize/requestedstreamnumber ;
pidfree = mychildren ;
/*
** Now start all our children
*/
for (i = 1 ; i <= requestedstreamnumber ; i++) {
if ( i == requestedstreamnumber ) {
startpoint = (i-1)*nbperchild;
nbtosend = filesize-(nbperchild*(requestedstreamnumber-1)) ;
} else {
startpoint = (i-1)*nbperchild;
nbtosend = nbperchild ;
}
if (protocol == 2) {
sendsock = *socknumber ;
socknumber++ ;
} else { /* Passive mode */
/*
** Now create the socket to send
*/
sendsock = 0 ;
while (sendsock == 0 ) {
sendsock = bbftp_createdatasock(*portnumber/*,logmessage*/) ;
}
if ( sendsock < 0 ) {
/*
** We set childendinerror to 1 in order to prevent the father
** to send a BAD message which can desynchronize the client and the
** server (We need only one error message)
** Bug discovered by amlutz on 2000/03/11
*/
/* if ( childendinerror == 0 ) {
childendinerror = 1 ;
reply(MSG_BAD,logmessage) ;
}
clean_child() ;*/
return 1 ;
}
portnumber++ ;
/*
** Set flagsighup to zero in order to be able in child
** not to wait STARTCHILDTO if signal was sent before
** entering select. (Seen on Linux with one child)
*/
/*flagsighup = 0 ;*/
}
if ( (retcode = fork()) == 0 ) {
int ns ;
blockallsignals() ;
/*
** We are in child
*/
/*
** In child the first thing to do is to
** close the control socket, and all the
** socket not concerning itself
*/
close(STDIN_FILENO) ;
close(STDOUT_FILENO) ;
close(STDERR_FILENO) ;
close(incontrolsock) ;
close(outcontrolsock) ;
if (protocol == 2) { /* Active mode */
int *socktoclose ;
socktoclose = mysockets ;
for ( i=0 ; i< requestedstreamnumber ; i++ ) {
if ( *socktoclose != sendsock) close(*socktoclose) ;
socktoclose++ ;
}
}
/*
** And open the file
*/
#ifdef STANDART_FILE_CALL
if ( (fd = open(filename,O_RDONLY|O_BINARY)) < 0 ) {
#else
if ( (fd = open64(filename,O_RDONLY|O_BINARY)) < 0 ) {
#endif
/*
** An error on openning the local file is considered
** as fatal. Maybe this need to be improved depending
** on errno
*/
i = errno ;
_exit(i) ;
}
#ifdef STANDART_FILE_CALL
if ( lseek(fd,startpoint,SEEK_SET) < 0 ) {
#else
if ( lseek64(fd,startpoint,SEEK_SET) < 0 ) {
#endif
i = errno ;
close(fd) ;
_exit(i) ;
}
/*
** We are now just going to select on our
** socket
**/
nfds = sysconf(_SC_OPEN_MAX) ;
FD_ZERO(&selectmask) ;
FD_SET(sendsock,&selectmask) ;
/*
** Set the timer for the connection
*/
wait_timer.tv_sec = CHILDWAITTIME ;
wait_timer.tv_usec = 0 ;
if (protocol == 2) {
retcode = select(FD_SETSIZE,&selectmask,0,0,&wait_timer) ;
} else {
retcode = select(FD_SETSIZE,0,&selectmask,0,&wait_timer) ;
}
if ( retcode < 0 ) {
/*
** select return in error
** Let us sleep a while in order to let
** the father fork all its children
*/
i = errno ;
close(fd) ;
sleep(CHILDWAITTIME) ;
_exit(i) ;
}
if ( retcode == 0 ) {
/*
** That is a time out let us exit
** with the time out error
*/
close(fd) ;
_exit(ETIMEDOUT) ;
}
/*
** At this point as we only set one bit we have
** got a connection
*/
if (protocol == 2) { /* Active mode */
if ( (ns = accept(sendsock,0,0) ) < 0 ) {
i = errno ;
close(fd) ;
_exit(i) ;
}
/*
** Close the listening socket
*/
close(sendsock) ;
} else {
ns = sendsock ;
/*close(sendsock) ;*/
}
/*
** Start the sending loop
** In simulation mode, simulate the transfer
*/
if (!simulation_mode) {
nbread = 0 ;
while ( nbread < nbtosend ) {
if ( (numberread = read ( fd, readbuffer, ( (buffersizeperstream*1024) <= nbtosend - nbread) ? (buffersizeperstream*1024) : nbtosend-nbread) ) > 0 ) {
nbread = nbread+numberread ;
#ifdef WITH_GZIP
if ( (transferoption & TROPT_GZIP ) == TROPT_GZIP ) {
/*
** In case of compression we are going to use
** a temporary buffer
*/
bufcomplen = buffersizeperstream*1024 ;
buflen = numberread ;
retcode = compress((Bytef *)compbuffer,&bufcomplen,(Bytef *)readbuffer,buflen) ;
if ( retcode != 0 ) {
msg_compress = ( struct mess_compress *) compbuffer;
/*
** Compress error, in this cas we are sending the
** date uncompressed
*/
msg_compress->code = DATA_NOCOMPRESS ;
lentosend = numberread ;
#ifndef WORDS_BIGENDIAN
msg_compress->datalen = ntohl(lentosend) ;
#else
msg_compress->datalen = lentosend ;
#endif
realnbtosend = numberread ;
} else {
memcpy(readbuffer,compbuffer,buffersizeperstream*1024) ;
msg_compress = ( struct mess_compress *) compbuffer;
msg_compress->code = DATA_COMPRESS ;
lentosend = bufcomplen ;
#ifndef WORDS_BIGENDIAN
msg_compress->datalen = ntohl(lentosend) ;
#else
msg_compress->datalen = lentosend ;
#endif
realnbtosend = bufcomplen ;
}
/*
** Send the header
*/
if ( writemessage(ns,compbuffer,COMPMESSLEN,datato,1) < 0 ) {
i = ETIMEDOUT ;
_exit(i) ;
}
} else {
realnbtosend = numberread ;
}
#else
realnbtosend = numberread ;
#endif
/*
** Send the data
*/
nbsent = 0 ;
while ( nbsent < realnbtosend ) {
lentosend = realnbtosend-nbsent ;
nfds = sysconf(_SC_OPEN_MAX) ;
FD_ZERO(&selectmask) ;
FD_SET(ns,&selectmask) ;
wait_timer.tv_sec = datato ;
wait_timer.tv_usec = 0 ;
if ( (retcode = select(FD_SETSIZE,0,&selectmask,0,&wait_timer) ) == -1 ) {
/*
** Select error
*/
i = errno ;
close(fd) ;
close(ns) ;
_exit(i) ;
} else if ( retcode == 0 ) {
close(fd) ;
i=ETIMEDOUT ;
close(ns) ;
_exit(i) ;
} else {
retcode = send(ns,&readbuffer[nbsent],lentosend,0) ;
if ( retcode < 0 ) {
i = errno ;
close(fd) ;
close(ns) ;
_exit(i) ;
} else if ( retcode == 0 ) {
i = ECONNRESET ;
close(fd) ;
close(ns) ;
_exit(i) ;
} else {
nbsent = nbsent+retcode ;
}
}
}
} else {
i = errno ;
close(ns) ;
close(fd) ;
_exit(i) ;
}
}
close(fd) ;
/*
** All data has been sent so wait for the acknoledge
*/
if ( readmessage(ns,readbuffer,MINMESSLEN,ackto,1) < 0 ) {
close(ns) ;
_exit(ETIMEDOUT) ;
}
msg = (struct message *) readbuffer ;
if ( msg->code != MSG_ACK) {
close(ns) ;
_exit(1) ;
}
}
close(ns) ;
_exit(0) ;
} else {
/*
** We are in father
*/
if ( retcode == -1 ) {
/*
** Fork failed ...
*/
sprintf(logmessage,"Fork failed : %s\n",strerror(errno)) ;
*errcode = 36 ;
sprintf(logmessage,"fork failed : %s ",strerror(errno)) ;
bbftp_clean_child() ;
return -1 ;
} else {
*pidfree++ = retcode ;
close(sendsock) ;
/*socknumber++ ;*/
}
}
}
return 0 ;
}
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