diff options
Diffstat (limited to 'kioslave/fish/fish.cpp')
| -rw-r--r-- | kioslave/fish/fish.cpp | 1661 |
1 files changed, 1661 insertions, 0 deletions
diff --git a/kioslave/fish/fish.cpp b/kioslave/fish/fish.cpp new file mode 100644 index 000000000..3967bcd6b --- /dev/null +++ b/kioslave/fish/fish.cpp @@ -0,0 +1,1661 @@ +/*************************************************************************** + fish.cpp - a FISH kioslave + ------------------- + begin : Thu Oct 4 17:09:14 CEST 2001 + copyright : (C) 2001-2003 by J�rg Walter + email : [email protected] + ***************************************************************************/ + +/*************************************************************************** + * * + * 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, version 2 of the License * + * * + ***************************************************************************/ + +/* + This code contains fragments and ideas from the ftp kioslave + done by David Faure <[email protected]>. + + Structure is a bit complicated, since I made the mistake to use + KProcess... now there is a lightweight homebrew async IO system + inside, but if signals/slots become available for ioslaves, switching + back to KProcess should be easy. +*/ + +#include "config.h" + +#include <qcstring.h> +#include <qfile.h> +#include <qsocket.h> +#include <qdatetime.h> +#include <qbitarray.h> +#include <qregexp.h> + +#include <stdlib.h> +#ifdef HAVE_PTY_H +#include <pty.h> +#endif +#ifdef HAVE_TERMIOS_H +#include <termios.h> +#endif +#include <math.h> +#include <unistd.h> +#include <signal.h> +#include <sys/wait.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netdb.h> +#include <sys/types.h> +#ifdef HAVE_STROPTS +#include <stropts.h> +#endif +#ifdef HAVE_SYS_IOCTL_H +#include <sys/ioctl.h> +#endif +#ifdef HAVE_LIBUTIL_H +#include <libutil.h> +#endif +#ifdef HAVE_UTIL_H +#include <util.h> +#endif + +#include <kdebug.h> +#include <kmessagebox.h> +#include <kinstance.h> +#include <kglobal.h> +#include <kstandarddirs.h> +#include <klocale.h> +#include <kremoteencoding.h> +#include <kurl.h> +#include <ksock.h> +#include <stdarg.h> +#include <time.h> +#include <sys/stat.h> +#include <kmimetype.h> +#include <kmimemagic.h> +#include <fcntl.h> +#include <sys/socket.h> +#include <errno.h> +#include <sys/resource.h> + +#include "fish.h" +#include "fishcode.h" + +#ifndef NDEBUG +#define myDebug(x) kdDebug(7127) << __LINE__ << ": " x +#define connected() do{myDebug( << "_______ emitting connected()" << endl); connected();}while(0) +#define dataReq() do{myDebug( << "_______ emitting dataReq()" << endl); dataReq();}while(0) +#define needSubURLData() do{myDebug( << "_______ emitting needSubURLData()" << endl); needSubURLData();}while(0) +#define slaveStatus(x,y) do{myDebug( << "_______ emitting slaveStatus(" << x << ", " << y << ")" << endl); slaveStatus(x,y);}while(0) +#define statEntry(x) do{myDebug( << "_______ emitting statEntry("<<x.size()<<")" << endl); statEntry(x);}while(0) +#define listEntries(x) do{myDebug( << "_______ emitting listEntries(...)" << endl); listEntries(x);}while(0) +#define canResume(x) do{myDebug( << "_______ emitting canResume("<<(int)x<<")" << endl); canResume(x);}while(0) +#define totalSize(x) do{myDebug( << "_______ emitting totalSize("<<(int)x<<")" << endl); totalSize(x);}while(0) +#define processedSize(x) do{myDebug( << "_______ emitting processedSize("<<x<<")" << endl); processedSize(x);}while(0) +#define speed(x) do{myDebug( << "_______ emitting speed("<<(int)x<<")" << endl); speed(x);}while(0) +#define redirection(x) do{myDebug( << "_______ emitting redirection("<<x<<")" << endl); redirection(x);}while(0) +#define errorPage() do{myDebug( << "_______ emitting errorPage()" << endl); errorPage();}while(0) +#define sendmimeType(x) do{myDebug( << "_______ emitting mimeType("<<x<<")" << endl); mimeType(x);}while(0) +#define warning(x) do{myDebug( << "_______ emitting warning("<<x<<")" << endl); warning(x);}while(0) +#define infoMessage(x) do{myDebug( << "_______ emitting infoMessage("<<x<<")" << endl); infoMessage(x);}while(0) +#else +#define myDebug(x) +#define sendmimeType(x) mimeType(x) +#endif + +static char *sshPath = NULL; +static char *suPath = NULL; +// disabled: currently not needed. Didn't work reliably. +// static int isOpenSSH = 0; + +static int isNXFish = 0; + +#define E(x) ((const char*)remoteEncoding()->encode(x).data()) + +using namespace KIO; +extern "C" { + +static void ripper(int) +{ + while (waitpid(-1,0,WNOHANG) > 0) { + // do nothing, go on + } +} + +int KDE_EXPORT kdemain( int argc, char **argv ) +{ + KLocale::setMainCatalogue("kio_fish"); + KInstance instance("fish"); + + myDebug( << "*** Starting fish " << endl); + if (argc != 4) { + myDebug( << "Usage: fish protocol domain-socket1 domain-socket2" << endl); + exit(-1); + } + + setenv("TZ", "UTC", true); + + struct sigaction act; + memset(&act,0,sizeof(act)); + act.sa_handler = ripper; + act.sa_flags = 0 +#ifdef SA_NOCLDSTOP + | SA_NOCLDSTOP +#endif +#ifdef SA_RESTART + | SA_RESTART +#endif + ; + sigaction(SIGCHLD,&act,NULL); + + if (qstrcmp(argv[1],"nxfish")==0) { + // Set NXFish - Mode + isNXFish=1; + } + + fishProtocol slave(argv[2], argv[3]); + slave.dispatchLoop(); + + myDebug( << "*** fish Done" << endl); + return 0; +} + +} + +const struct fishProtocol::fish_info fishProtocol::fishInfo[] = { + { ("FISH"), 0, + ("echo; /bin/sh -c start_fish_server > /dev/null 2>/dev/null; perl .fishsrv.pl " CHECKSUM " 2>/dev/null; perl -e '$|=1; print \"### 100 transfer fish server\\n\"; while(<STDIN>) { last if /^__END__/; $code.=$_; } exit(eval($code));' 2>/dev/null;"), + 1 }, + { ("VER 0.0.3 copy append lscount lslinks lsmime exec stat"), 0, + ("echo 'VER 0.0.3 copy append lscount lslinks lsmime exec stat'"), + 1 }, + { ("PWD"), 0, + ("pwd"), + 1 }, + { ("LIST"), 1, + ("echo `ls -Lla %1 2> /dev/null | grep '^[-dsplcb]' | wc -l`; ls -Lla %1 2>/dev/null | grep '^[-dspl]' | ( while read -r p x u g s m d y n; do file -b -i $n 2>/dev/null | sed -e '\\,^[^/]*$,d;s/^/M/;s,/.*[ \t],/,'; FILE=%1; if [ -e %1\"/$n\" ]; then FILE=%1\"/$n\"; fi; if [ -L \"$FILE\" ]; then echo \":$n\"; ls -lad \"$FILE\" | sed -e 's/.* -> /L/'; else echo \":$n\" | sed -e 's/ -> /\\\nL/'; fi; echo \"P$p $u.$g\nS$s\nd$m $d $y\n\"; done; );" + "ls -Lla %1 2>/dev/null | grep '^[cb]' | ( while read -r p x u g a i m d y n; do echo \"P$p $u.$g\nE$a$i\nd$m $d $y\n:$n\n\"; done; )"), + 0 }, + { ("STAT"), 1, + ("echo `ls -dLla %1 2> /dev/null | grep '^[-dsplcb]' | wc -l`; ls -dLla %1 2>/dev/null | grep '^[-dspl]' | ( while read -r p x u g s m d y n; do file -b -i $n 2>/dev/null | sed -e '\\,^[^/]*$,d;s/^/M/;s,/.*[ \t],/,'; FILE=%1; if [ -e %1\"/$n\" ]; then FILE=%1\"/$n\"; fi; if [ -L \"$FILE\" ]; then echo \":$n\"; ls -lad \"$FILE\" | sed -e 's/.* -> /L/'; else echo \":$n\" | sed -e 's/ -> /\\\nL/'; fi; echo \"P$p $u.$g\nS$s\nd$m $d $y\n\"; done; );" + "ls -dLla %1 2>/dev/null | grep '^[cb]' | ( while read -r p x u g a i m d y n; do echo \"P$p $u.$g\nE$a$i\nd$m $d $y\n:$n\n\"; done; )"), + 0 }, + { ("RETR"), 1, + ("ls -l %1 2>&1 | ( read -r a b c d x e; echo $x ) 2>&1; echo '### 001'; cat %1"), + 1 }, + { ("STOR"), 2, + ("> %2; echo '### 001'; ( [ \"`expr %1 / 4096`\" -gt 0 ] && dd bs=4096 count=`expr %1 / 4096` 2>/dev/null;" + "[ \"`expr %1 % 4096`\" -gt 0 ] && dd bs=`expr %1 % 4096` count=1 2>/dev/null; ) | ( cat > %2 || echo Error $?; cat > /dev/null )"), + 0 }, + { ("CWD"), 1, + ("cd %1"), + 0 }, + { ("CHMOD"), 2, + ("chmod %1 %2"), + 0 }, + { ("DELE"), 1, + ("rm -f %1"), + 0 }, + { ("MKD"), 1, + ("mkdir %1"), + 0 }, + { ("RMD"), 1, + ("rmdir %1"), + 0 }, + { ("RENAME"), 2, + ("mv -f %1 %2"), + 0 }, + { ("LINK"), 2, + ("ln -f %1 %2"), + 0 }, + { ("SYMLINK"), 2, + ("ln -sf %1 %2"), + 0 }, + { ("CHOWN"), 2, + ("chown %1 %2"), + 0 }, + { ("CHGRP"), 2, + ("chgrp %1 %2"), + 0 }, + { ("READ"), 3, + ("echo '### 100';cat %3 /dev/zero | ( [ \"`expr %1 / 4096`\" -gt 0 ] && dd bs=4096 count=`expr %1 / 4096` >/dev/null;" + "[ \"`expr %1 % 4096`\" -gt 0 ] && dd bs=`expr %1 % 4096` count=1 >/dev/null;" + "dd bs=%2 count=1; ) 2>/dev/null;"), + 0 }, + // Yes, this is "ibs=1", since dd "count" is input blocks. + // On network connections, read() may not fill the buffer + // completely (no more data immediately available), but dd + // does ignore that fact by design. Sorry, writes are slow. + // OTOH, WRITE is not used by the current ioslave methods, + // we use APPEND. + { ("WRITE"), 3, + (">> %3; echo '### 001'; ( [ %2 -gt 0 ] && dd ibs=1 obs=%2 count=%2 2>/dev/null ) | " + "( dd ibs=32768 obs=%1 seek=1 of=%3 2>/dev/null || echo Error $?; cat >/dev/null; )"), + 0 }, + { ("COPY"), 2, + ("if [ -L %1 ]; then if cp -pdf %1 %2 2>/dev/null; then :; else LINK=\"`readlink %1`\"; ln -sf $LINK %2; fi; else cp -pf %1 %2; fi"), + 0 }, + { ("APPEND"), 2, + (">> %2; echo '### 001'; ( [ %1 -gt 0 ] && dd ibs=1 obs=%1 count=%1 2> /dev/null; ) | ( cat >> %2 || echo Error $?; cat >/dev/null; )"), + 0 }, + { ("EXEC"), 2, + ("UMASK=`umask`; umask 077; touch %2; umask $UMASK; eval %1 < /dev/null > %2 2>&1; echo \"###RESULT: $?\" >> %2"), + 0 } +}; + +fishProtocol::fishProtocol(const QCString &pool_socket, const QCString &app_socket) + : SlaveBase("fish", pool_socket, app_socket), mimeBuffer(1024), + mimeTypeSent(false) +{ + myDebug( << "fishProtocol::fishProtocol()" << endl); + if (sshPath == NULL) { + // disabled: currently not needed. Didn't work reliably. + // isOpenSSH = !system("ssh -V 2>&1 | grep OpenSSH > /dev/null"); + if (isNXFish) + sshPath = strdup(QFile::encodeName(KStandardDirs::findExe("nxfish"))); + else + sshPath = strdup(QFile::encodeName(KStandardDirs::findExe("ssh"))); + } + if (suPath == NULL) { + suPath = strdup(QFile::encodeName(KStandardDirs::findExe("su"))); + } + childPid = 0; + connectionPort = 0; + isLoggedIn = false; + writeReady = true; + isRunning = false; + firstLogin = true; + errorCount = 0; + rawRead = 0; + rawWrite = -1; + recvLen = -1; + sendLen = -1; + setMultipleAuthCaching( true ); + connectionAuth.keepPassword = true; + connectionAuth.url.setProtocol("fish"); + outBufPos = -1; + outBuf = NULL; + outBufLen = 0; + typeAtom.m_uds = UDS_FILE_TYPE; + typeAtom.m_long = 0; + mimeAtom.m_uds = UDS_MIME_TYPE; + mimeAtom.m_long = 0; + mimeAtom.m_str = QString::null; + + hasAppend = false; + + isStat = false; // FIXME: just a workaround for konq deficiencies + redirectUser = ""; // FIXME: just a workaround for konq deficiencies + redirectPass = ""; // FIXME: just a workaround for konq deficiencies + fishCodeLen = strlen(fishCode); +} +/* ---------------------------------------------------------------------------------- */ + + +fishProtocol::~fishProtocol() +{ + myDebug( << "fishProtocol::~fishProtocol()" << endl); + shutdownConnection(true); +} + +/* --------------------------------------------------------------------------- */ + +/** +Connects to a server and logs us in via SSH. Then starts FISH protocol. +*/ +void fishProtocol::openConnection() { + if (childPid) return; + + if (connectionHost.isEmpty() && !isNXFish) + { + error( KIO::ERR_UNKNOWN_HOST, QString::null ); + return; + } + + infoMessage(i18n("Connecting...")); + + myDebug( << "connecting to: " << connectionUser << "@" << connectionHost << ":" << connectionPort << endl); + sendCommand(FISH_FISH); + sendCommand(FISH_VER); + if (connectionStart()) { + error(ERR_COULD_NOT_CONNECT,connectionHost); + shutdownConnection(); + return; + }; + myDebug( << "subprocess is running" << endl); +} + +static int open_pty_pair(int fd[2]) +{ +#if defined(HAVE_TERMIOS_H) && defined(HAVE_GRANTPT) && !defined(HAVE_OPENPTY) +/** with kind regards to The GNU C Library +Reference Manual for Version 2.2.x of the GNU C Library */ + int master, slave; + char *name; + struct ::termios ti; + memset(&ti,0,sizeof(ti)); + + ti.c_cflag = CLOCAL|CREAD|CS8; + ti.c_cc[VMIN] = 1; + +#ifdef HAVE_GETPT + master = getpt(); +#else + master = open("/dev/ptmx", O_RDWR); +#endif + if (master < 0) return 0; + + if (grantpt(master) < 0 || unlockpt(master) < 0) goto close_master; + + name = ptsname(master); + if (name == NULL) goto close_master; + + slave = open(name, O_RDWR); + if (slave == -1) goto close_master; + +#if (defined(HAVE_ISASTREAM) || defined(isastream)) && defined(I_PUSH) + if (isastream(slave) && + (ioctl(slave, I_PUSH, "ptem") < 0 || + ioctl(slave, I_PUSH, "ldterm") < 0)) + goto close_slave; +#endif + + tcsetattr(slave, TCSANOW, &ti); + fd[0] = master; + fd[1] = slave; + return 0; + +#if (defined(HAVE_ISASTREAM) || defined(isastream)) && defined(I_PUSH) +close_slave: +#endif + close(slave); + +close_master: + close(master); + return -1; +#else +#ifdef HAVE_OPENPTY + struct ::termios ti; + memset(&ti,0,sizeof(ti)); + + ti.c_cflag = CLOCAL|CREAD|CS8; + ti.c_cc[VMIN] = 1; + + return openpty(fd,fd+1,NULL,&ti,NULL); +#else +#ifdef __GNUC__ +#warning "No tty support available. Password dialog won't work." +#endif + return socketpair(PF_UNIX,SOCK_STREAM,0,fd); +#endif +#endif +} +/** +creates the subprocess +*/ +bool fishProtocol::connectionStart() { + int fd[2]; + int rc, flags; + thisFn = QString::null; + + rc = open_pty_pair(fd); + if (rc == -1) { + myDebug( << "socketpair failed, error: " << strerror(errno) << endl); + return true; + } + + if (!requestNetwork()) return true; + myDebug( << "Exec: " << (local ? suPath : sshPath) << " Port: " << connectionPort << " User: " << connectionUser << endl); + childPid = fork(); + if (childPid == -1) { + myDebug( << "fork failed, error: " << strerror(errno) << endl); + close(fd[0]); + close(fd[1]); + childPid = 0; + dropNetwork(); + return true; + } + if (childPid == 0) { + // taken from konsole, see TEPty.C for details + // note: if we're running on socket pairs, + // this will fail, but thats what we expect + + for (int sig = 1; sig < NSIG; sig++) signal(sig,SIG_DFL); + + struct rlimit rlp; + getrlimit(RLIMIT_NOFILE, &rlp); + for (int i = 0; i < (int)rlp.rlim_cur; i++) + if (i != fd[1]) close(i); + + dup2(fd[1],0); + dup2(fd[1],1); + dup2(fd[1],2); + if (fd[1] > 2) close(fd[1]); + + setsid(); + +#if defined(TIOCSCTTY) + ioctl(0, TIOCSCTTY, 0); +#endif + + int pgrp = getpid(); +#if defined( _AIX) || defined( __hpux) + tcsetpgrp(0, pgrp); +#else + ioctl(0, TIOCSPGRP, (char *)&pgrp); +#endif + + const char *dev = ttyname(0); + setpgid(0,0); + if (dev) close(open(dev, O_WRONLY, 0)); + setpgid(0,0); + + if (local) { + execl(suPath, "su", "-", connectionUser.latin1(), "-c", "cd ~;echo FISH:;exec /bin/sh -c \"if env true 2>/dev/null; then env PS1= PS2= TZ=UTC LANG=C LC_ALL=C LOCALE=C /bin/sh; else PS1= PS2= TZ=UTC LANG=C LC_ALL=C LOCALE=C /bin/sh; fi\"", (void *)0); + } else { + #define common_args "-l", connectionUser.latin1(), "-x", "-e", "none", \ + "-q", connectionHost.latin1(), \ + "echo FISH:;exec /bin/sh -c \"if env true 2>/dev/null; then env PS1= PS2= TZ=UTC LANG=C LC_ALL=C LOCALE=C /bin/sh; else PS1= PS2= TZ=UTC LANG=C LC_ALL=C LOCALE=C /bin/sh; fi\"", (void *)0 + // disabled: leave compression up to the client. + // (isOpenSSH?"-C":"+C"), + + if (connectionPort) + execl(sshPath, "ssh", "-p", QString::number(connectionPort).latin1(), common_args); + else + execl(sshPath, "ssh", common_args); + #undef common_args + } + myDebug( << "could not exec! " << strerror(errno) << endl); + ::exit(-1); + } + close(fd[1]); + rc = fcntl(fd[0],F_GETFL,&flags); + rc = fcntl(fd[0],F_SETFL,flags|O_NONBLOCK); + childFd = fd[0]; + + fd_set rfds, wfds; + FD_ZERO(&rfds); + FD_ZERO(&wfds); + char buf[32768]; + int offset = 0; + while (!isLoggedIn) { + FD_SET(childFd,&rfds); + FD_ZERO(&wfds); + if (outBufPos >= 0) FD_SET(childFd,&wfds); + struct timeval timeout; + timeout.tv_sec = 0; + timeout.tv_usec = 1000; + rc = select(childFd+1, &rfds, &wfds, NULL, &timeout); + if (rc < 0) { + if (errno == EINTR) + continue; + myDebug( << "select failed, rc: " << rc << ", error: " << strerror(errno) << endl); + return true; + } + if (FD_ISSET(childFd,&wfds) && outBufPos >= 0) { + if (outBuf) rc = write(childFd,outBuf+outBufPos,outBufLen-outBufPos); + else rc = 0; + if (rc >= 0) outBufPos += rc; + else { + if (errno == EINTR) + continue; + myDebug( << "write failed, rc: " << rc << ", error: " << strerror(errno) << endl); + outBufPos = -1; + //return true; + } + if (outBufPos >= outBufLen) { + outBufPos = -1; + outBuf = NULL; + outBufLen = 0; + } + } + if (FD_ISSET(childFd,&rfds)) { + rc = read(childFd,buf+offset,32768-offset); + if (rc > 0) { + int noff = establishConnection(buf,rc+offset); + if (noff < 0) return false; + if (noff > 0) memmove(buf,buf+offset+rc-noff,noff); + offset = noff; + } else { + if (errno == EINTR) + continue; + myDebug( << "read failed, rc: " << rc << ", error: " << strerror(errno) << endl); + return true; + } + } + } + return false; +} + +/** +writes one chunk of data to stdin of child process +*/ +void fishProtocol::writeChild(const char *buf, KIO::fileoffset_t len) { + if (outBufPos >= 0 && outBuf) { +#if 0 + QString debug; + debug.setLatin1(outBuf,outBufLen); + if (len > 0) myDebug( << "write request while old one is pending, throwing away input (" << outBufLen << "," << outBufPos << "," << debug.left(10) << "...)" << endl); +#endif + return; + } + outBuf = buf; + outBufPos = 0; + outBufLen = len; +} + +/** +manages initial communication setup including password queries +*/ +int fishProtocol::establishConnection(char *buffer, KIO::fileoffset_t len) { + QString buf; + buf.setLatin1(buffer,len); + int pos; + // Strip trailing whitespace + while (buf.length() && (buf[buf.length()-1] == ' ')) + buf.truncate(buf.length()-1); + + myDebug( << "establishing: got " << buf << endl); + while (childPid && ((pos = buf.find('\n')) >= 0 || + buf.endsWith(":") || buf.endsWith("?"))) { + pos++; + QString str = buf.left(pos); + buf = buf.mid(pos); + if (str == "\n") + continue; + if (str == "FISH:\n") { + thisFn = QString::null; + infoMessage(i18n("Initiating protocol...")); + if (!connectionAuth.password.isEmpty()) { + connectionAuth.password = connectionAuth.password.left(connectionAuth.password.length()-1); + cacheAuthentication(connectionAuth); + } + isLoggedIn = true; + return 0; + } else if (!str.isEmpty()) { + thisFn += str; + } else if (buf.endsWith(":")) { + if (!redirectUser.isEmpty() && connectionUser != redirectUser) { + KURL dest = url; + dest.setUser(redirectUser); + dest.setPass(redirectPass); + redirection(dest); + commandList.clear(); + commandCodes.clear(); + finished(); + redirectUser = ""; + redirectPass = ""; + return -1; + } else if (!connectionPassword.isEmpty()) { + myDebug( << "sending cpass" << endl); + connectionAuth.password = connectionPassword+"\n"; + connectionPassword = QString::null; + // su does not like receiving a password directly after sending + // the password prompt so we wait a while. + if (local) + sleep(1); + writeChild(connectionAuth.password.latin1(),connectionAuth.password.length()); + } else { + myDebug( << "sending mpass" << endl); + connectionAuth.prompt = thisFn+buf; + if (local) + connectionAuth.caption = i18n("Local Login") + " - " + url.user() + "@" + url.host(); + else + connectionAuth.caption = i18n("SSH Authorization") + " - " + url.user() + "@" + url.host(); + if ((!firstLogin || !checkCachedAuthentication(connectionAuth))) { + connectionAuth.password = QString::null; // don't prefill + if ( !openPassDlg(connectionAuth)) { + error(ERR_USER_CANCELED,connectionHost); + shutdownConnection(); + return -1; + } + } + firstLogin = false; + connectionAuth.password += "\n"; + if (connectionAuth.username != connectionUser) { + KURL dest = url; + dest.setUser(connectionAuth.username); + dest.setPass(connectionAuth.password); + redirection(dest); + if (isStat) { // FIXME: just a workaround for konq deficiencies + redirectUser = connectionAuth.username; + redirectPass = connectionAuth.password; + } + commandList.clear(); + commandCodes.clear(); + finished(); + return -1; + } + myDebug( << "sending pass" << endl); + if (local) + sleep(1); + writeChild(connectionAuth.password.latin1(),connectionAuth.password.length()); + } + thisFn = QString::null; + return 0; + } else if (buf.endsWith("?")) { + int rc = messageBox(QuestionYesNo,thisFn+buf); + if (rc == KMessageBox::Yes) { + writeChild("yes\n",4); + } else { + writeChild("no\n",3); + } + thisFn = QString::null; + return 0; + } else { + myDebug( << "unmatched case in initial handling! shouldn't happen!" << endl); + } + } + return buf.length(); +} +/** +sets connection information for subsequent commands +*/ +void fishProtocol::setHost(const QString & host, int port, const QString & u, const QString & pass){ + QString user(u); + + if (isNXFish) + local = 0; + else + local = (host == "localhost" && port == 0); + + if (port <= 0) port = 0; + if (user.isEmpty()) user = getenv("LOGNAME"); + + if (host == connectionHost && port == connectionPort && user == connectionUser) + return; + myDebug( << "setHost " << u << "@" << host << endl); + + if (childPid) shutdownConnection(); + + connectionHost = host; + connectionAuth.url.setHost(host); + + connectionUser = user; + connectionAuth.username = user; + connectionAuth.url.setUser(user); + + connectionPort = port; + connectionPassword = pass; + firstLogin = true; +} + +/** +Forced close of the connection + +This function gets called from the application side of the universe, +it shouldn't send any response. + */ +void fishProtocol::closeConnection(){ + myDebug( << "closeConnection()" << endl); + shutdownConnection(true); +} + +/** +Closes the connection + */ +void fishProtocol::shutdownConnection(bool forced){ + if (childPid) { + kill(childPid,SIGTERM); // We may not have permission... + childPid = 0; + close(childFd); // ...in which case this should do the trick + childFd = -1; + if (!forced) + { + dropNetwork(); + infoMessage(i18n("Disconnected.")); + } + } + outBufPos = -1; + outBuf = NULL; + outBufLen = 0; + qlist.clear(); + commandList.clear(); + commandCodes.clear(); + isLoggedIn = false; + writeReady = true; + isRunning = false; + rawRead = 0; + rawWrite = -1; + recvLen = -1; + sendLen = -1; +} +/** +builds each FISH request and sets the error counter +*/ +bool fishProtocol::sendCommand(fish_command_type cmd, ...) { + const fish_info &info = fishInfo[cmd]; + myDebug( << "queueing: cmd="<< cmd << "['" << info.command << "'](" << info.params <<"), alt=['" << info.alt << "'], lines=" << info.lines << endl); + + va_list list; + va_start(list, cmd); + QString realCmd = info.command; + QString realAlt = info.alt; + static QRegExp rx("[][\\\\\n $`#!()*?{}~&<>;'\"%^@|\t]"); + for (int i = 0; i < info.params; i++) { + QString arg(va_arg(list, const char *)); + int pos = -2; + while ((pos = rx.search(arg,pos+2)) >= 0) { + arg.replace(pos,0,QString("\\")); + } + //myDebug( << "arg " << i << ": " << arg << endl); + realCmd.append(" ").append(arg); + realAlt.replace(QRegExp("%"+QString::number(i+1)),arg); + } + QString s("#"); + s.append(realCmd).append("\n ").append(realAlt).append(" 2>&1;echo '### 000'\n"); + if (realCmd == "FISH") + s.prepend(" "); + commandList.append(s); + commandCodes.append(cmd); + return true; +} + +/** +checks response string for result code, converting 000 and 001 appropriately +*/ +int fishProtocol::handleResponse(const QString &str){ + myDebug( << "handling: " << str << endl); + if (str.startsWith("### ")) { + bool isOk = false; + int result = str.mid(4,3).toInt(&isOk); + if (!isOk) result = 500; + if (result == 0) result = (errorCount != 0?500:200); + if (result == 1) result = (errorCount != 0?500:100); + myDebug( << "result: " << result << ", errorCount: " << errorCount << endl); + return result; + } else { + errorCount++; + return 0; + } +} + +int fishProtocol::makeTimeFromLs(const QString &monthStr, const QString &dayStr, const QString &timeyearStr) +{ + QDateTime dt(QDate::currentDate(Qt::UTC)); + int year = dt.date().year(); + int month = dt.date().month(); + int currentMonth = month; + int day = dayStr.toInt(); + + static const char * const monthNames[12] = { + "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" + }; + + for (int i=0; i < 12; i++) if (monthStr.startsWith(monthNames[i])) { + month = i+1; + break; + } + + int pos = timeyearStr.find(':'); + if (timeyearStr.length() == 4 && pos == -1) { + year = timeyearStr.toInt(); + } else if (pos == -1) { + return 0; + } else { + if (month > currentMonth + 1) year--; + dt.time().setHMS(timeyearStr.left(pos).toInt(),timeyearStr.mid(pos+1).toInt(),0); + } + dt.date().setYMD(year,month,day); + + return dt.toTime_t(); +} + +/** +parses response from server and acts accordingly +*/ +void fishProtocol::manageConnection(const QString &l) { + QString line(l); + int rc = handleResponse(line); + UDSAtom atom; + QDateTime dt; + KIO::filesize_t fsize; + int pos, pos2, pos3; + bool isOk = false; + if (!rc) { + switch (fishCommand) { + case FISH_VER: + if (line.startsWith("VER 0.0.3")) { + line.append(" "); + hasAppend = line.contains(" append "); + } else { + error(ERR_UNSUPPORTED_PROTOCOL,line); + shutdownConnection(); + } + break; + case FISH_PWD: + url.setPath(line); + redirection(url); + break; + case FISH_LIST: + myDebug( << "listReason: " << listReason << endl); + /* Fall through */ + case FISH_STAT: + if (line.length() > 0) { + switch (line[0].cell()) { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + fsize = line.toULongLong(&isOk); + if (fsize > 0 && isOk) errorCount--; + if ((fishCommand == FISH_LIST) && (listReason == LIST)) + totalSize(fsize); + break; + + case 'P': + errorCount--; + if (line[1] == 'd') { + mimeAtom.m_str = "inode/directory"; + typeAtom.m_long = S_IFDIR; + } else { + if (line[1] == '-') { + typeAtom.m_long = S_IFREG; + } else if (line[1] == 'l') { + typeAtom.m_long = S_IFLNK; + } else if (line[1] == 'c') { + typeAtom.m_long = S_IFCHR; + } else if (line[1] == 'b') { + typeAtom.m_long = S_IFBLK; + } else if (line[1] == 's') { + typeAtom.m_long = S_IFSOCK; + } else if (line[1] == 'p') { + typeAtom.m_long = S_IFIFO; + } else { + myDebug( << "unknown file type: " << line[1].cell() << endl); + errorCount++; + break; + } + } + //myDebug( << "file type: " << atom.m_long << endl); + //udsEntry.append(atom); + + atom.m_uds = UDS_ACCESS; + atom.m_long = 0; + if (line[2] == 'r') atom.m_long |= S_IRUSR; + if (line[3] == 'w') atom.m_long |= S_IWUSR; + if (line[4] == 'x' || line[4] == 's') atom.m_long |= S_IXUSR; + if (line[4] == 'S' || line[4] == 's') atom.m_long |= S_ISUID; + if (line[5] == 'r') atom.m_long |= S_IRGRP; + if (line[6] == 'w') atom.m_long |= S_IWGRP; + if (line[7] == 'x' || line[7] == 's') atom.m_long |= S_IXGRP; + if (line[7] == 'S' || line[7] == 's') atom.m_long |= S_ISGID; + if (line[8] == 'r') atom.m_long |= S_IROTH; + if (line[9] == 'w') atom.m_long |= S_IWOTH; + if (line[10] == 'x' || line[10] == 't') atom.m_long |= S_IXOTH; + if (line[10] == 'T' || line[10] == 't') atom.m_long |= S_ISVTX; + udsEntry.append(atom); + + atom.m_uds = UDS_USER; + atom.m_long = 0; + pos = line.find('.',12); + if (pos < 0) { + errorCount++; + break; + } + atom.m_str = line.mid(12,pos-12); + udsEntry.append(atom); + + atom.m_uds = UDS_GROUP; + atom.m_long = 0; + atom.m_str = line.mid(pos+1); + udsEntry.append(atom); + break; + + case 'd': + atom.m_uds = UDS_MODIFICATION_TIME; + pos = line.find(' '); + pos2 = line.find(' ',pos+1); + if (pos < 0 || pos2 < 0) break; + errorCount--; + atom.m_long = makeTimeFromLs(line.mid(1,pos-1), line.mid(pos+1,pos2-pos), line.mid(pos2+1)); + udsEntry.append(atom); + break; + + case 'D': + atom.m_uds = UDS_MODIFICATION_TIME; + pos = line.find(' '); + pos2 = line.find(' ',pos+1); + pos3 = line.find(' ',pos2+1); + if (pos < 0 || pos2 < 0 || pos3 < 0) break; + dt.setDate(QDate(line.mid(1,pos-1).toInt(),line.mid(pos+1,pos2-pos-1).toInt(),line.mid(pos2+1,pos3-pos2-1).toInt())); + pos = pos3; + pos2 = line.find(' ',pos+1); + pos3 = line.find(' ',pos2+1); + if (pos < 0 || pos2 < 0 || pos3 < 0) break; + dt.setTime(QTime(line.mid(pos+1,pos2-pos-1).toInt(),line.mid(pos2+1,pos3-pos2-1).toInt(),line.mid(pos3+1).toInt())); + errorCount--; + atom.m_long = dt.toTime_t(); + udsEntry.append(atom); + break; + + case 'S': + atom.m_uds = UDS_SIZE; + atom.m_long = line.mid(1).toULongLong(&isOk); + if (!isOk) break; + errorCount--; + udsEntry.append(atom); + break; + + case 'E': + errorCount--; + break; + + case ':': + atom.m_uds = UDS_NAME; + atom.m_long = 0; + pos = line.findRev('/'); + atom.m_str = thisFn = line.mid(pos < 0?1:pos+1); + if (fishCommand == FISH_LIST) + udsEntry.append(atom); + // By default, the mimetype comes from the extension + // We'll use the file(1) result only as fallback [like the rest of KDE does] + { + KURL kurl("fish://host/"); + kurl.setFileName(thisFn); // properly encode special chars + KMimeType::Ptr mime = KMimeType::findByURL(kurl); + if ( mime->name() != KMimeType::defaultMimeType() ) + mimeAtom.m_str = mime->name(); + } + errorCount--; + break; + + case 'M': { + QString type = line.mid(1); + + // First thing's first. If remote says this is a directory, throw out any + // name-based file type guesses. + if (type == "inode/directory" && mimeAtom.m_str != type) { + mimeAtom.m_str = type; + typeAtom.m_long = S_IFDIR; + } + // This is getting ugly. file(1) makes some uneducated + // guesses, so we must try to ignore them (#51274) + else if (mimeAtom.m_str.isEmpty() && line.right(8) != "/unknown" && + (thisFn.find('.') < 0 || (line.left(8) != "Mtext/x-" + && line != "Mtext/plain"))) { + mimeAtom.m_str = type; + } + errorCount--; + break; + } + + case 'L': + atom.m_uds = UDS_LINK_DEST; + atom.m_long = 0; + atom.m_str = line.mid(1); + udsEntry.append(atom); + if (!typeAtom.m_long) typeAtom.m_long = S_IFLNK; + errorCount--; + break; + } + } else { + if (!mimeAtom.m_str.isNull()) + udsEntry.append(mimeAtom); + mimeAtom.m_str = QString::null; + + udsEntry.append(typeAtom); + typeAtom.m_long = 0; + + if (fishCommand == FISH_STAT) + udsStatEntry = udsEntry; + else if (listReason == LIST) { + listEntry(udsEntry, false); //1 + } else if (listReason == CHECK) checkExist = true; //0 + errorCount--; + udsEntry.clear(); + } + break; + + case FISH_RETR: + if (line.length() == 0) { + error(ERR_IS_DIRECTORY,url.prettyURL()); + recvLen = 0; + break; + } + recvLen = line.toLongLong(&isOk); + if (!isOk) { + error(ERR_COULD_NOT_READ,url.prettyURL()); + shutdownConnection(); + break; + } + break; + default : break; + } + + } else if (rc == 100) { + switch (fishCommand) { + case FISH_FISH: + writeChild(fishCode, fishCodeLen); + break; + case FISH_READ: + recvLen = 1024; + /* fall through */ + case FISH_RETR: + myDebug( << "reading " << recvLen << endl); + if (recvLen == -1) { + error(ERR_COULD_NOT_READ,url.prettyURL()); + shutdownConnection(); + } else { + rawRead = recvLen; + dataRead = 0; + mimeTypeSent = false; + if (recvLen == 0) + { + mimeType("application/x-zerosize"); + mimeTypeSent = true; + } + } + break; + case FISH_STOR: + case FISH_WRITE: + case FISH_APPEND: + rawWrite = sendLen; + //myDebug( << "sending " << sendLen << endl); + writeChild(NULL,0); + break; + default : break; + } + } else if (rc/100 != 2) { + switch (fishCommand) { + case FISH_STOR: + case FISH_WRITE: + case FISH_APPEND: + error(ERR_COULD_NOT_WRITE,url.prettyURL()); + shutdownConnection(); + break; + case FISH_RETR: + error(ERR_COULD_NOT_READ,url.prettyURL()); + shutdownConnection(); + break; + case FISH_READ: + if ( rc == 501 ) + { + mimeType("inode/directory"); + mimeTypeSent = true; + recvLen = 0; + finished(); + } + else + { + error(ERR_COULD_NOT_READ,url.prettyURL()); + shutdownConnection(); + } + break; + case FISH_FISH: + case FISH_VER: + error(ERR_SLAVE_DEFINED,line); + shutdownConnection(); + break; + case FISH_PWD: + case FISH_CWD: + error(ERR_CANNOT_ENTER_DIRECTORY,url.prettyURL()); + break; + case FISH_LIST: + myDebug( << "list error. reason: " << listReason << endl); + if (listReason == LIST) error(ERR_CANNOT_ENTER_DIRECTORY,url.prettyURL()); + else if (listReason == CHECK) { + checkExist = false; + finished(); + } + break; + case FISH_STAT: + error(ERR_DOES_NOT_EXIST,url.prettyURL()); + udsStatEntry.clear(); + break; + case FISH_CHMOD: + error(ERR_CANNOT_CHMOD,url.prettyURL()); + break; + case FISH_CHOWN: + case FISH_CHGRP: + error(ERR_ACCESS_DENIED,url.prettyURL()); + break; + case FISH_MKD: + if ( rc == 501 ) + error(ERR_DIR_ALREADY_EXIST,url.prettyURL()); + else + error(ERR_COULD_NOT_MKDIR,url.prettyURL()); + break; + case FISH_RMD: + error(ERR_COULD_NOT_RMDIR,url.prettyURL()); + break; + case FISH_DELE: + error(ERR_CANNOT_DELETE,url.prettyURL()); + break; + case FISH_RENAME: + error(ERR_CANNOT_RENAME,url.prettyURL()); + break; + case FISH_COPY: + case FISH_LINK: + case FISH_SYMLINK: + error(ERR_COULD_NOT_WRITE,url.prettyURL()); + break; + default : break; + } + } else { + if (fishCommand == FISH_STOR) fishCommand = (hasAppend?FISH_APPEND:FISH_WRITE); + if (fishCommand == FISH_FISH) { + connected(); + } else if (fishCommand == FISH_LIST) { + if (listReason == LIST) { + listEntry(UDSEntry(),true); + } else if (listReason == CHECK) { + if (!checkOverwrite && checkExist) + { + error(ERR_FILE_ALREADY_EXIST,url.prettyURL()); + return; // Don't call finished! + } + } + } else if (fishCommand == FISH_STAT) { + UDSAtom atom; + + atom.m_uds = KIO::UDS_NAME; + atom.m_str = url.fileName(); + udsStatEntry.append( atom ); + statEntry(udsStatEntry); + } else if (fishCommand == FISH_APPEND) { + dataReq(); + if (readData(rawData) > 0) sendCommand(FISH_APPEND,E(QString::number(rawData.size())),E(url.path())); + else if (!checkExist && putPerm > -1) sendCommand(FISH_CHMOD,E(QString::number(putPerm,8)),E(url.path())); + sendLen = rawData.size(); + } else if (fishCommand == FISH_WRITE) { + dataReq(); + if (readData(rawData) > 0) sendCommand(FISH_WRITE,E(QString::number(putPos)),E(QString::number(rawData.size())),E(url.path())); + else if (!checkExist && putPerm > -1) sendCommand(FISH_CHMOD,E(QString::number(putPerm,8)),E(url.path())); + putPos += rawData.size(); + sendLen = rawData.size(); + } else if (fishCommand == FISH_RETR) { + data(QByteArray()); + } + finished(); + } +} + +void fishProtocol::writeStdin(const QString &line) +{ + qlist.append(line); + + if (writeReady) { + writeReady = false; + //myDebug( << "Writing: " << qlist.first().mid(0,qlist.first().find('\n')) << endl); + myDebug( << "Writing: " << qlist.first() << endl); + myDebug( << "---------" << endl); + writeChild((const char *)qlist.first().latin1(), qlist.first().length()); + } +} + +void fishProtocol::sent() +{ + if (rawWrite > 0) { + myDebug( << "writing raw: " << rawData.size() << "/" << rawWrite << endl); + writeChild(rawData.data(),(rawWrite > rawData.size()?rawData.size():rawWrite)); + rawWrite -= rawData.size(); + if (rawWrite > 0) { + dataReq(); + if (readData(rawData) <= 0) { + shutdownConnection(); + } + } + return; + } else if (rawWrite == 0) { + // workaround: some dd's insist in reading multiples of + // 8 bytes, swallowing up to seven bytes. Sending + // newlines is safe even when a sane dd is used + writeChild("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n",15); + rawWrite = -1; + return; + } + if (qlist.count() > 0) qlist.remove(qlist.begin()); + if (qlist.count() == 0) { + writeReady = true; + } else { + //myDebug( << "Writing: " << qlist.first().mid(0,qlist.first().find('\n')) << endl); + myDebug( << "Writing: " << qlist.first() << endl); + myDebug( << "---------" << endl); + writeChild((const char *)qlist.first().latin1(),qlist.first().length()); + } +} + +int fishProtocol::received(const char *buffer, KIO::fileoffset_t buflen) +{ + int pos = 0; + do { + if (buflen <= 0) break; + + if (rawRead > 0) { + //myDebug( << "processedSize " << dataRead << ", len " << buflen << "/" << rawRead << endl); + int dataSize = (rawRead > buflen?buflen:rawRead); + if (!mimeTypeSent) + { + int mimeSize = QMIN(dataSize, (int)mimeBuffer.size()-dataRead); + memcpy(mimeBuffer.data()+dataRead,buffer,mimeSize); + dataRead += mimeSize; + rawRead -= mimeSize; + buffer += mimeSize; + buflen -= mimeSize; + if (rawRead == 0) // End of data + mimeBuffer.resize(dataRead); + if (dataRead < (int)mimeBuffer.size()) + { + myDebug( << "wait for more" << endl); + break; + } + + // We need a KMimeType::findByNameAndContent(filename,data) + // For now we do: find by extension, and if not found (or extension not reliable) + // then find by content. + bool accurate = false; + KMimeType::Ptr mime = KMimeType::findByURL( url, 0, false, true, &accurate ); + if ( !mime || mime->name() == KMimeType::defaultMimeType() + || !accurate ) + { + KMimeType::Ptr p_mimeType = KMimeType::findByContent(mimeBuffer); + if ( p_mimeType && p_mimeType->name() != KMimeType::defaultMimeType() ) + mime = p_mimeType; + } + + sendmimeType(mime->name()); + + + mimeTypeSent = true; + if (fishCommand != FISH_READ) { + totalSize(dataRead + rawRead); + data(mimeBuffer); + processedSize(dataRead); + } + mimeBuffer.resize(1024); + pos = 0; + continue; // Process rest of buffer/buflen + } + + QByteArray bdata; + bdata.duplicate(buffer,dataSize); + data(bdata); + + dataRead += dataSize; + rawRead -= dataSize; + processedSize(dataRead); + if (rawRead <= 0) { + buffer += dataSize; + buflen -= dataSize; + } else { + return 0; + } + } + + if (buflen <= 0) break; + + pos = 0; + // Find newline + while((pos < buflen) && (buffer[pos] != '\n')) + ++pos; + + if (pos < buflen) + { + QString s = remoteEncoding()->decode(QCString(buffer,pos+1)); + + buffer += pos+1; + buflen -= pos+1; + + manageConnection(s); + + pos = 0; + // Find next newline + while((pos < buflen) && (buffer[pos] != '\n')) + ++pos; + } + } while (childPid && buflen && (rawRead > 0 || pos < buflen)); + return buflen; +} +/** get a file */ +void fishProtocol::get(const KURL& u){ + myDebug( << "@@@@@@@@@ get " << u << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + openConnection(); + if (!isLoggedIn) return; + url.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + recvLen = -1; + sendCommand(FISH_RETR,E(url.path())); + } + run(); +} + +/** put a file */ +void fishProtocol::put(const KURL& u, int permissions, bool overwrite, bool /*resume*/){ + myDebug( << "@@@@@@@@@ put " << u << " " << permissions << " " << overwrite << " " /* << resume */ << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + openConnection(); + if (!isLoggedIn) return; + url.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + putPerm = permissions; + checkOverwrite = overwrite; + checkExist = false; + putPos = 0; + listReason = CHECK; + sendCommand(FISH_LIST,E(url.path())); + sendCommand(FISH_STOR,"0",E(url.path())); + } + run(); +} +/** executes next command in sequence or calls finished() if all is done */ +void fishProtocol::finished() { + if (commandList.count() > 0) { + fishCommand = (fish_command_type)commandCodes.first(); + errorCount = -fishInfo[fishCommand].lines; + rawRead = 0; + rawWrite = -1; + udsEntry.clear(); + udsStatEntry.clear(); + writeStdin(commandList.first()); + //if (fishCommand != FISH_APPEND && fishCommand != FISH_WRITE) infoMessage("Sending "+(commandList.first().mid(1,commandList.first().find("\n")-1))+"..."); + commandList.remove(commandList.begin()); + commandCodes.remove(commandCodes.begin()); + } else { + myDebug( << "_______ emitting finished()" << endl); + SlaveBase::finished(); + isRunning = false; + } +} +/** aborts command sequence and calls error() */ +void fishProtocol::error(int type, const QString &detail) { + commandList.clear(); + commandCodes.clear(); + myDebug( << "ERROR: " << type << " - " << detail << endl); + SlaveBase::error(type,detail); + isRunning = false; +} +/** executes a chain of commands */ +void fishProtocol::run() { + if (!isRunning) { + int rc; + isRunning = true; + finished(); + fd_set rfds, wfds; + FD_ZERO(&rfds); + char buf[32768]; + int offset = 0; + while (isRunning) { + FD_SET(childFd,&rfds); + FD_ZERO(&wfds); + if (outBufPos >= 0) FD_SET(childFd,&wfds); + struct timeval timeout; + timeout.tv_sec = 0; + timeout.tv_usec = 1000; + rc = select(childFd+1, &rfds, &wfds, NULL, &timeout); + if (rc < 0) { + if (errno == EINTR) + continue; + myDebug( << "select failed, rc: " << rc << ", error: " << strerror(errno) << endl); + error(ERR_CONNECTION_BROKEN,connectionHost); + shutdownConnection(); + return; + } + if (FD_ISSET(childFd,&wfds) && outBufPos >= 0) { +#if 0 + QString debug; + debug.setLatin1(outBuf+outBufPos,outBufLen-outBufPos); + myDebug( << "now writing " << (outBufLen-outBufPos) << " " << debug.left(40) << "..." << endl); +#endif + if (outBufLen-outBufPos > 0) rc = write(childFd,outBuf+outBufPos,outBufLen-outBufPos); + else rc = 0; + if (rc >= 0) outBufPos += rc; + else { + if (errno == EINTR) + continue; + myDebug( << "write failed, rc: " << rc << ", error: " << strerror(errno) << endl); + error(ERR_CONNECTION_BROKEN,connectionHost); + shutdownConnection(); + return; + } + if (outBufPos >= outBufLen) { + outBufPos = -1; + outBuf = NULL; + sent(); + } + } + else if (FD_ISSET(childFd,&rfds)) { + rc = read(childFd,buf+offset,32768-offset); + //myDebug( << "read " << rc << " bytes" << endl); + if (rc > 0) { + int noff = received(buf,rc+offset); + if (noff > 0) memmove(buf,buf+offset+rc-noff,noff); + //myDebug( << "left " << noff << " bytes: " << QString::fromLatin1(buf,offset) << endl); + offset = noff; + } else { + if (errno == EINTR) + continue; + myDebug( << "read failed, rc: " << rc << ", error: " << strerror(errno) << endl); + error(ERR_CONNECTION_BROKEN,connectionHost); + shutdownConnection(); + return; + } + } + if (wasKilled()) + return; + } + } +} +/** stat a file */ +void fishProtocol::stat(const KURL& u){ + myDebug( << "@@@@@@@@@ stat " << u << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + isStat = true; // FIXME: just a workaround for konq deficiencies + openConnection(); + isStat = false; // FIXME: just a workaround for konq deficiencies + if (!isLoggedIn) return; + url.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + sendCommand(FISH_STAT,E(url.path(-1))); + } + run(); +} +/** find mimetype for a file */ +void fishProtocol::mimetype(const KURL& u){ + myDebug( << "@@@@@@@@@ mimetype " << u << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + openConnection(); + if (!isLoggedIn) return; + url.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + recvLen = 1024; + sendCommand(FISH_READ,"0","1024",E(url.path())); + } + run(); +} +/** list a directory */ +void fishProtocol::listDir(const KURL& u){ + myDebug( << "@@@@@@@@@ listDir " << u << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + openConnection(); + if (!isLoggedIn) return; + url.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + listReason = LIST; + sendCommand(FISH_LIST,E(url.path())); + } + run(); +} +/** create a directory */ +void fishProtocol::mkdir(const KURL& u, int permissions) { + myDebug( << "@@@@@@@@@ mkdir " << u << " " << permissions << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + openConnection(); + if (!isLoggedIn) return; + url.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + sendCommand(FISH_MKD,E(url.path())); + if (permissions > -1) sendCommand(FISH_CHMOD,E(QString::number(permissions,8)),E(url.path())); + } + run(); +} +/** rename a file */ +void fishProtocol::rename(const KURL& s, const KURL& d, bool overwrite) { + myDebug( << "@@@@@@@@@ rename " << s << " " << d << " " << overwrite << endl); + if (s.host() != d.host() || s.port() != d.port() || s.user() != d.user()) { + error(ERR_UNSUPPORTED_ACTION,s.prettyURL()); + return; + } + setHost(s.host(),s.port(),s.user(),s.pass()); + url = d; + openConnection(); + if (!isLoggedIn) return; + KURL src = s; + url.cleanPath(); + src.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + if (!overwrite) { + listReason = CHECK; + checkOverwrite = false; + sendCommand(FISH_LIST,E(url.path())); + } + sendCommand(FISH_RENAME,E(src.path()),E(url.path())); + } + run(); +} +/** create a symlink */ +void fishProtocol::symlink(const QString& target, const KURL& u, bool overwrite) { + myDebug( << "@@@@@@@@@ symlink " << target << " " << u << " " << overwrite << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + openConnection(); + if (!isLoggedIn) return; + url.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + if (!overwrite) { + listReason = CHECK; + checkOverwrite = false; + sendCommand(FISH_LIST,E(url.path())); + } + sendCommand(FISH_SYMLINK,E(target),E(url.path())); + } + run(); +} +/** change file permissions */ +void fishProtocol::chmod(const KURL& u, int permissions){ + myDebug( << "@@@@@@@@@ chmod " << u << " " << permissions << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + openConnection(); + if (!isLoggedIn) return; + url.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + if (permissions > -1) sendCommand(FISH_CHMOD,E(QString::number(permissions,8)),E(url.path())); + } + run(); +} +/** copies a file */ +void fishProtocol::copy(const KURL &s, const KURL &d, int permissions, bool overwrite) { + myDebug( << "@@@@@@@@@ copy " << s << " " << d << " " << permissions << " " << overwrite << endl); + if (s.host() != d.host() || s.port() != d.port() || s.user() != d.user()) { + error(ERR_UNSUPPORTED_ACTION,s.prettyURL()); + return; + } + //myDebug( << s << endl << d << endl); + setHost(s.host(),s.port(),s.user(),s.pass()); + url = d; + openConnection(); + if (!isLoggedIn) return; + KURL src = s; + url.cleanPath(); + src.cleanPath(); + if (!src.hasPath()) { + sendCommand(FISH_PWD); + } else { + if (!overwrite) { + listReason = CHECK; + checkOverwrite = false; + sendCommand(FISH_LIST,E(url.path())); + } + sendCommand(FISH_COPY,E(src.path()),E(url.path())); + if (permissions > -1) sendCommand(FISH_CHMOD,E(QString::number(permissions,8)),E(url.path())); + } + run(); +} +/** removes a file or directory */ +void fishProtocol::del(const KURL &u, bool isFile){ + myDebug( << "@@@@@@@@@ del " << u << " " << isFile << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + openConnection(); + if (!isLoggedIn) return; + url.cleanPath(); + if (!url.hasPath()) { + sendCommand(FISH_PWD); + } else { + sendCommand((isFile?FISH_DELE:FISH_RMD),E(url.path())); + } + run(); +} +/** special like background execute */ +void fishProtocol::special( const QByteArray &data ){ + int tmp; + + QDataStream stream(data, IO_ReadOnly); + + stream >> tmp; + switch (tmp) { + case FISH_EXEC_CMD: // SSH EXEC + { + KURL u; + QString command; + QString tempfile; + stream >> u; + stream >> command; + myDebug( << "@@@@@@@@@ exec " << u << " " << command << endl); + setHost(u.host(),u.port(),u.user(),u.pass()); + url = u; + openConnection(); + if (!isLoggedIn) return; + sendCommand(FISH_EXEC,E(command),E(url.path())); + run(); + break; + } + default: + // Some command we don't understand. + error(ERR_UNSUPPORTED_ACTION,QString().setNum(tmp)); + break; + } +} +/** report status */ +void fishProtocol::slave_status() { + myDebug( << "@@@@@@@@@ slave_status" << endl); + if (childPid > 0) + slaveStatus(connectionHost,isLoggedIn); + else + slaveStatus(QString::null,false); +} |