1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357
|
/*
Copyright (C) 2000-2002 Stephan Kulow <coolo@kde.org>
Copyright (C) 2000-2002 David Faure <faure@kde.org>
Copyright (C) 2000-2002 Waldo Bastian <bastian@kde.org>
Copyright (C) 2006 Allan Sandfeld Jensen <sandfeld@kde.org>
Copyright (C) 2007 Thiago Macieira <thiago@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License (LGPL) as published by the Free Software Foundation;
either version 2 of the License, or (at your option) any later
version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#define QT_NO_CAST_FROM_ASCII
#include "file.h"
#include <QDirIterator>
#include <config.h>
#include <config-kioslave-file.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/socket.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <assert.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <grp.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <time.h>
#include <utime.h>
#include <unistd.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <QtCore/QByteRef>
#include <QtCore/QDate>
#include <QtCore/QVarLengthArray>
#include <QtCore/QCoreApplication>
#include <QtCore/QRegExp>
#include <QtCore/QFile>
#ifdef Q_WS_WIN
#include <QtCore/QDir>
#include <QtCore/QFileInfo>
#endif
#include <kdebug.h>
#include <kurl.h>
#include <kcomponentdata.h>
#include <kconfig.h>
#include <kconfiggroup.h>
#include <ktemporaryfile.h>
#include <klocale.h>
#include <limits.h>
#include <kshell.h>
#include <kmountpoint.h>
#include <kstandarddirs.h>
#ifdef HAVE_VOLMGT
#include <volmgt.h>
#include <sys/mnttab.h>
#endif
#include <kdirnotify.h>
#include <kio/ioslave_defaults.h>
#include <kde_file.h>
#include <kglobal.h>
#include <kmimetype.h>
using namespace KIO;
#define MAX_IPC_SIZE (1024*32)
static QString testLogFile( const QByteArray&_filename );
#ifdef HAVE_POSIX_ACL
static void appendACLAtoms( const QByteArray & path, UDSEntry& entry,
mode_t type, bool withACL );
#endif
extern "C" int KDE_EXPORT kdemain( int argc, char **argv )
{
QCoreApplication app( argc, argv ); // needed for QSocketNotifier
KComponentData componentData( "kio_file", "kdelibs4" );
( void ) KGlobal::locale();
kDebug(7101) << "Starting" << getpid();
if (argc != 4)
{
fprintf(stderr, "Usage: kio_file protocol domain-socket1 domain-socket2\n");
exit(-1);
}
FileProtocol slave(argv[2], argv[3]);
slave.dispatchLoop();
kDebug(7101) << "Done";
return 0;
}
FileProtocol::FileProtocol( const QByteArray &pool, const QByteArray &app )
: SlaveBase( "file", pool, app ), openFd(-1)
{
}
FileProtocol::~FileProtocol()
{
}
#ifdef HAVE_POSIX_ACL
static QString aclToText(acl_t acl) {
ssize_t size = 0;
char* txt = acl_to_text(acl, &size);
const QString ret = QString::fromLatin1(txt, size);
acl_free(txt);
return ret;
}
#endif
int FileProtocol::setACL( const char *path, mode_t perm, bool directoryDefault )
{
int ret = 0;
#ifdef HAVE_POSIX_ACL
const QString ACLString = metaData(QLatin1String("ACL_STRING"));
const QString defaultACLString = metaData(QLatin1String("DEFAULT_ACL_STRING"));
// Empty strings mean leave as is
if ( !ACLString.isEmpty() ) {
acl_t acl = 0;
if (ACLString == QLatin1String("ACL_DELETE")) {
// user told us to delete the extended ACL, so let's write only
// the minimal (UNIX permission bits) part
acl = acl_from_mode( perm );
}
acl = acl_from_text( ACLString.toLatin1() );
if ( acl_valid( acl ) == 0 ) { // let's be safe
ret = acl_set_file( path, ACL_TYPE_ACCESS, acl );
kDebug(7101) << "Set ACL on:" << path << "to:" << aclToText(acl);
}
acl_free( acl );
if ( ret != 0 ) return ret; // better stop trying right away
}
if ( directoryDefault && !defaultACLString.isEmpty() ) {
if ( defaultACLString == QLatin1String("ACL_DELETE") ) {
// user told us to delete the default ACL, do so
ret += acl_delete_def_file( path );
} else {
acl_t acl = acl_from_text( defaultACLString.toLatin1() );
if ( acl_valid( acl ) == 0 ) { // let's be safe
ret += acl_set_file( path, ACL_TYPE_DEFAULT, acl );
kDebug(7101) << "Set Default ACL on:" << path << "to:" << aclToText(acl);
}
acl_free( acl );
}
}
#else
Q_UNUSED(path);
Q_UNUSED(perm);
Q_UNUSED(directoryDefault);
#endif
return ret;
}
void FileProtocol::chmod( const KUrl& url, int permissions )
{
const QString path(url.toLocalFile());
const QByteArray _path( QFile::encodeName(path) );
/* FIXME: Should be atomic */
if ( KDE::chmod( path, permissions ) == -1 ||
( setACL( _path.data(), permissions, false ) == -1 ) ||
/* if not a directory, cannot set default ACLs */
( setACL( _path.data(), permissions, true ) == -1 && errno != ENOTDIR ) ) {
switch (errno) {
case EPERM:
case EACCES:
error(KIO::ERR_ACCESS_DENIED, path);
break;
#if defined(ENOTSUP)
case ENOTSUP: // from setACL since chmod can't return ENOTSUP
error(KIO::ERR_UNSUPPORTED_ACTION, i18n("Setting ACL for %1", path));
break;
#endif
case ENOSPC:
error(KIO::ERR_DISK_FULL, path);
break;
default:
error(KIO::ERR_CANNOT_CHMOD, path);
}
} else
finished();
}
void FileProtocol::setModificationTime( const KUrl& url, const QDateTime& mtime )
{
const QString path(url.toLocalFile());
KDE_struct_stat statbuf;
if (KDE::lstat(path, &statbuf) == 0) {
struct utimbuf utbuf;
utbuf.actime = statbuf.st_atime; // access time, unchanged
utbuf.modtime = mtime.toTime_t(); // modification time
if (KDE::utime(path, &utbuf) != 0) {
// TODO: errno could be EACCES, EPERM, EROFS
error(KIO::ERR_CANNOT_SETTIME, path);
} else {
finished();
}
} else {
error(KIO::ERR_DOES_NOT_EXIST, path);
}
}
void FileProtocol::mkdir( const KUrl& url, int permissions )
{
const QString path(url.toLocalFile());
kDebug(7101) << path << "permission=" << permissions;
// Remove existing file or symlink, if requested (#151851)
if (metaData(QLatin1String("overwrite")) == QLatin1String("true"))
QFile::remove(path);
KDE_struct_stat buff;
if ( KDE::lstat( path, &buff ) == -1 ) {
if ( KDE::mkdir( path, 0777 /*umask will be applied*/ ) != 0 ) {
if ( errno == EACCES ) {
error(KIO::ERR_ACCESS_DENIED, path);
return;
} else if ( errno == ENOSPC ) {
error(KIO::ERR_DISK_FULL, path);
return;
} else {
error(KIO::ERR_COULD_NOT_MKDIR, path);
return;
}
} else {
if ( permissions != -1 )
chmod( url, permissions );
else
finished();
return;
}
}
if ( S_ISDIR( buff.st_mode ) ) {
kDebug(7101) << "ERR_DIR_ALREADY_EXIST";
error(KIO::ERR_DIR_ALREADY_EXIST, path);
return;
}
error(KIO::ERR_FILE_ALREADY_EXIST, path);
return;
}
void FileProtocol::get( const KUrl& url )
{
if (!url.isLocalFile()) {
KUrl redir(url);
redir.setProtocol(config()->readEntry("DefaultRemoteProtocol", "smb"));
redirection(redir);
finished();
return;
}
const QString path(url.toLocalFile());
KDE_struct_stat buff;
if ( KDE::stat( path, &buff ) == -1 ) {
if ( errno == EACCES )
error(KIO::ERR_ACCESS_DENIED, path);
else
error(KIO::ERR_DOES_NOT_EXIST, path);
return;
}
if ( S_ISDIR( buff.st_mode ) ) {
error(KIO::ERR_IS_DIRECTORY, path);
return;
}
if ( !S_ISREG( buff.st_mode ) ) {
error(KIO::ERR_CANNOT_OPEN_FOR_READING, path);
return;
}
int fd = KDE::open( path, O_RDONLY);
if ( fd < 0 ) {
error(KIO::ERR_CANNOT_OPEN_FOR_READING, path);
return;
}
#if HAVE_FADVISE
#ifdef POSIX_FADV_SEQUENTIAL
posix_fadvise( fd, 0, 0, POSIX_FADV_SEQUENTIAL);
#endif
#endif
// Determine the mimetype of the file to be retrieved, and emit it.
// This is mandatory in all slaves (for KRun/BrowserRun to work)
// In real "remote" slaves, this is usually done using findByNameAndContent
// after receiving some data. But we don't know how much data the mimemagic rules
// need, so for local files, better use findByUrl with localUrl=true.
KMimeType::Ptr mt = KMimeType::findByUrl( url, buff.st_mode, true /* local URL */ );
emit mimeType( mt->name() );
// Emit total size AFTER mimetype
totalSize( buff.st_size );
KIO::filesize_t processed_size = 0;
const QString resumeOffset = metaData(QLatin1String("resume"));
if ( !resumeOffset.isEmpty() )
{
bool ok;
KIO::fileoffset_t offset = resumeOffset.toLongLong(&ok);
if (ok && (offset > 0) && (offset < buff.st_size))
{
if (KDE_lseek(fd, offset, SEEK_SET) == offset)
{
canResume ();
processed_size = offset;
kDebug(7101) << "Resume offset:" << KIO::number(offset);
}
}
}
char buffer[ MAX_IPC_SIZE ];
QByteArray array;
while( 1 )
{
int n = ::read( fd, buffer, MAX_IPC_SIZE );
if (n == -1)
{
if (errno == EINTR)
continue;
error(KIO::ERR_COULD_NOT_READ, path);
::close(fd);
return;
}
if (n == 0)
break; // Finished
array = QByteArray::fromRawData(buffer, n);
data( array );
array.clear();
processed_size += n;
processedSize( processed_size );
//kDebug(7101) << "Processed: " << KIO::number (processed_size);
}
data( QByteArray() );
::close( fd );
processedSize( buff.st_size );
finished();
}
int write_all(int fd, const char *buf, size_t len)
{
while (len > 0)
{
ssize_t written = write(fd, buf, len);
if (written < 0)
{
if (errno == EINTR)
continue;
return -1;
}
buf += written;
len -= written;
}
return 0;
}
void FileProtocol::open(const KUrl &url, QIODevice::OpenMode mode)
{
kDebug(7101) << url;
openPath = url.toLocalFile();
KDE_struct_stat buff;
if (KDE::stat(openPath, &buff) == -1) {
if ( errno == EACCES )
error(KIO::ERR_ACCESS_DENIED, openPath);
else
error(KIO::ERR_DOES_NOT_EXIST, openPath);
return;
}
if ( S_ISDIR( buff.st_mode ) ) {
error(KIO::ERR_IS_DIRECTORY, openPath);
return;
}
if ( !S_ISREG( buff.st_mode ) ) {
error(KIO::ERR_CANNOT_OPEN_FOR_READING, openPath);
return;
}
int flags = 0;
if (mode & QIODevice::ReadOnly) {
if (mode & QIODevice::WriteOnly) {
flags = O_RDWR | O_CREAT;
} else {
flags = O_RDONLY;
}
} else if (mode & QIODevice::WriteOnly) {
flags = O_WRONLY | O_CREAT;
}
if (mode & QIODevice::Append) {
flags |= O_APPEND;
} else if (mode & QIODevice::Truncate) {
flags |= O_TRUNC;
}
int fd = -1;
if ( flags & O_CREAT)
fd = KDE::open( openPath, flags, 0666);
else
fd = KDE::open( openPath, flags);
if ( fd < 0 ) {
error(KIO::ERR_CANNOT_OPEN_FOR_READING, openPath);
return;
}
// Determine the mimetype of the file to be retrieved, and emit it.
// This is mandatory in all slaves (for KRun/BrowserRun to work).
// If we're not opening the file ReadOnly or ReadWrite, don't attempt to
// read the file and send the mimetype.
if (mode & QIODevice::ReadOnly){
KMimeType::Ptr mt = KMimeType::findByUrl( url, buff.st_mode, true /* local URL */ );
emit mimeType( mt->name() );
}
totalSize( buff.st_size );
position( 0 );
emit opened();
openFd = fd;
}
void FileProtocol::read(KIO::filesize_t bytes)
{
kDebug(7101) << "File::open -- read";
Q_ASSERT(openFd != -1);
QVarLengthArray<char> buffer(bytes);
while (true) {
int res;
do {
res = ::read(openFd, buffer.data(), bytes);
} while (res == -1 && errno == EINTR);
if (res > 0) {
QByteArray array = QByteArray::fromRawData(buffer.data(), res);
data( array );
bytes -= res;
} else {
// empty array designates eof
data(QByteArray());
if (res != 0) {
error(KIO::ERR_COULD_NOT_READ, openPath);
close();
}
break;
}
if (bytes <= 0) break;
}
}
void FileProtocol::write(const QByteArray &data)
{
kDebug(7101) << "File::open -- write";
Q_ASSERT(openFd != -1);
if (write_all(openFd, data.constData(), data.size())) {
if (errno == ENOSPC) { // disk full
error(KIO::ERR_DISK_FULL, openPath);
close();
} else {
kWarning(7101) << "Couldn't write. Error:" << strerror(errno);
error(KIO::ERR_COULD_NOT_WRITE, openPath);
close();
}
} else {
written(data.size());
}
}
void FileProtocol::seek(KIO::filesize_t offset)
{
kDebug(7101) << "File::open -- seek";
Q_ASSERT(openFd != -1);
int res = KDE_lseek(openFd, offset, SEEK_SET);
if (res != -1) {
position( offset );
} else {
error(KIO::ERR_COULD_NOT_SEEK, openPath);
close();
}
}
void FileProtocol::close()
{
kDebug(7101) << "File::open -- close ";
Q_ASSERT(openFd != -1);
::close( openFd );
openFd = -1;
openPath.clear();
finished();
}
void FileProtocol::put( const KUrl& url, int _mode, KIO::JobFlags _flags )
{
const QString dest_orig = url.toLocalFile();
kDebug(7101) << dest_orig << "mode=" << _mode;
QString dest_part(dest_orig + QLatin1String(".part"));
KDE_struct_stat buff_orig;
const bool bOrigExists = (KDE::lstat(dest_orig, &buff_orig) != -1);
bool bPartExists = false;
const bool bMarkPartial = config()->readEntry("MarkPartial", true);
if (bMarkPartial)
{
KDE_struct_stat buff_part;
bPartExists = (KDE::stat( dest_part, &buff_part ) != -1);
if (bPartExists && !(_flags & KIO::Resume) && !(_flags & KIO::Overwrite) && buff_part.st_size > 0 && S_ISREG(buff_part.st_mode))
{
kDebug(7101) << "calling canResume with" << KIO::number(buff_part.st_size);
// Maybe we can use this partial file for resuming
// Tell about the size we have, and the app will tell us
// if it's ok to resume or not.
_flags |= canResume( buff_part.st_size ) ? KIO::Resume : KIO::DefaultFlags;
kDebug(7101) << "got answer" << (_flags & KIO::Resume);
}
}
if ( bOrigExists && !(_flags & KIO::Overwrite) && !(_flags & KIO::Resume))
{
if (S_ISDIR(buff_orig.st_mode))
error( KIO::ERR_DIR_ALREADY_EXIST, dest_orig );
else
error( KIO::ERR_FILE_ALREADY_EXIST, dest_orig );
return;
}
int result;
QString dest;
QByteArray _dest;
int fd = -1;
// Loop until we got 0 (end of data)
do
{
QByteArray buffer;
dataReq(); // Request for data
result = readData( buffer );
if (result >= 0)
{
if (dest.isEmpty())
{
if (bMarkPartial)
{
kDebug(7101) << "Appending .part extension to" << dest_orig;
dest = dest_part;
if ( bPartExists && !(_flags & KIO::Resume) )
{
kDebug(7101) << "Deleting partial file" << dest_part;
QFile::remove( dest_part );
// Catch errors when we try to open the file.
}
}
else
{
dest = dest_orig;
if ( bOrigExists && !(_flags & KIO::Resume) )
{
kDebug(7101) << "Deleting destination file" << dest_orig;
QFile::remove( dest_orig );
// Catch errors when we try to open the file.
}
}
if ( (_flags & KIO::Resume) )
{
fd = KDE::open( dest, O_RDWR ); // append if resuming
KDE_lseek(fd, 0, SEEK_END); // Seek to end
}
else
{
// WABA: Make sure that we keep writing permissions ourselves,
// otherwise we can be in for a surprise on NFS.
mode_t initialMode;
if (_mode != -1)
initialMode = _mode | S_IWUSR | S_IRUSR;
else
initialMode = 0666;
fd = KDE::open(dest, O_CREAT | O_TRUNC | O_WRONLY, initialMode);
}
if ( fd < 0 )
{
kDebug(7101) << "####################### COULD NOT WRITE" << dest << "_mode=" << _mode;
kDebug(7101) << "errno==" << errno << "(" << strerror(errno) << ")";
if ( errno == EACCES )
error(KIO::ERR_WRITE_ACCESS_DENIED, dest);
else
error(KIO::ERR_CANNOT_OPEN_FOR_WRITING, dest);
return;
}
}
if (write_all( fd, buffer.data(), buffer.size()))
{
if ( errno == ENOSPC ) // disk full
{
error(KIO::ERR_DISK_FULL, dest_orig);
result = -2; // means: remove dest file
}
else
{
kWarning(7101) << "Couldn't write. Error:" << strerror(errno);
error(KIO::ERR_COULD_NOT_WRITE, dest_orig);
result = -1;
}
}
}
}
while ( result > 0 );
// An error occurred deal with it.
if (result < 0)
{
kDebug(7101) << "Error during 'put'. Aborting.";
if (fd != -1)
{
::close(fd);
KDE_struct_stat buff;
if (bMarkPartial && KDE::stat( dest, &buff ) == 0)
{
int size = config()->readEntry("MinimumKeepSize", DEFAULT_MINIMUM_KEEP_SIZE);
if (buff.st_size < size)
remove(_dest.data());
}
}
::exit(255);
}
if ( fd == -1 ) // we got nothing to write out, so we never opened the file
{
finished();
return;
}
if ( ::close(fd) )
{
kWarning(7101) << "Error when closing file descriptor:" << strerror(errno);
error(KIO::ERR_COULD_NOT_WRITE, dest_orig);
return;
}
// after full download rename the file back to original name
if ( bMarkPartial )
{
// If the original URL is a symlink and we were asked to overwrite it,
// remove the symlink first. This ensures that we do not overwrite the
// current source if the symlink points to it.
if( (_flags & KIO::Overwrite) && S_ISLNK( buff_orig.st_mode ) )
QFile::remove( dest_orig );
if ( KDE::rename( dest, dest_orig ) )
{
kWarning(7101) << " Couldn't rename " << _dest << " to " << dest_orig;
error(KIO::ERR_CANNOT_RENAME_PARTIAL, dest_orig);
return;
}
org::kde::KDirNotify::emitFileRenamed(dest, dest_orig);
}
// set final permissions
if ( _mode != -1 && !(_flags & KIO::Resume) )
{
if (KDE::chmod(dest_orig, _mode) != 0)
{
// couldn't chmod. Eat the error if the filesystem apparently doesn't support it.
KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath(dest_orig);
if (mp && mp->testFileSystemFlag(KMountPoint::SupportsChmod))
warning( i18n( "Could not change permissions for\n%1" , dest_orig ) );
}
}
// set modification time
const QString mtimeStr = metaData(QLatin1String("modified"));
if ( !mtimeStr.isEmpty() ) {
QDateTime dt = QDateTime::fromString( mtimeStr, Qt::ISODate );
if ( dt.isValid() ) {
KDE_struct_stat dest_statbuf;
if (KDE::stat( dest_orig, &dest_statbuf ) == 0) {
struct timeval utbuf[2];
// access time
utbuf[0].tv_sec = dest_statbuf.st_atime; // access time, unchanged ## TODO preserve msec
utbuf[0].tv_usec = 0;
// modification time
utbuf[1].tv_sec = dt.toTime_t();
utbuf[1].tv_usec = dt.time().msec() * 1000;
utimes( QFile::encodeName(dest_orig), utbuf );
}
}
}
// We have done our job => finish
finished();
}
QString FileProtocol::getUserName( uid_t uid ) const
{
if ( !mUsercache.contains( uid ) ) {
struct passwd *user = getpwuid( uid );
if ( user ) {
mUsercache.insert( uid, QString::fromLatin1(user->pw_name) );
}
else
return QString::number( uid );
}
return mUsercache[uid];
}
QString FileProtocol::getGroupName( gid_t gid ) const
{
if ( !mGroupcache.contains( gid ) ) {
struct group *grp = getgrgid( gid );
if ( grp ) {
mGroupcache.insert( gid, QString::fromLatin1(grp->gr_name) );
}
else
return QString::number( gid );
}
return mGroupcache[gid];
}
bool FileProtocol::createUDSEntry( const QString & filename, const QByteArray & path, UDSEntry & entry,
short int details, bool withACL )
{
#ifndef HAVE_POSIX_ACL
Q_UNUSED(withACL);
#endif
assert(entry.count() == 0); // by contract :-)
// entry.reserve( 8 ); // speed up QHash insertion
entry.insert( KIO::UDSEntry::UDS_NAME, filename );
mode_t type;
mode_t access;
KDE_struct_stat buff;
if ( KDE_lstat( path.data(), &buff ) == 0 ) {
if (details > 2) {
entry.insert( KIO::UDSEntry::UDS_DEVICE_ID, buff.st_dev );
entry.insert( KIO::UDSEntry::UDS_INODE, buff.st_ino );
}
if (S_ISLNK(buff.st_mode)) {
char buffer2[ 1000 ];
int n = readlink( path.data(), buffer2, 999 );
if ( n != -1 ) {
buffer2[ n ] = 0;
}
entry.insert( KIO::UDSEntry::UDS_LINK_DEST, QFile::decodeName( buffer2 ) );
// A symlink -> follow it only if details>1
if ( details > 1 && KDE_stat( path.data(), &buff ) == -1 ) {
// It is a link pointing to nowhere
type = S_IFMT - 1;
access = S_IRWXU | S_IRWXG | S_IRWXO;
entry.insert( KIO::UDSEntry::UDS_FILE_TYPE, type );
entry.insert( KIO::UDSEntry::UDS_ACCESS, access );
entry.insert( KIO::UDSEntry::UDS_SIZE, 0LL );
goto notype;
}
}
} else {
// kWarning() << "lstat didn't work on " << path.data();
return false;
}
type = buff.st_mode & S_IFMT; // extract file type
access = buff.st_mode & 07777; // extract permissions
entry.insert( KIO::UDSEntry::UDS_FILE_TYPE, type );
entry.insert( KIO::UDSEntry::UDS_ACCESS, access );
entry.insert( KIO::UDSEntry::UDS_SIZE, buff.st_size );
#ifdef HAVE_POSIX_ACL
if (details > 0) {
/* Append an atom indicating whether the file has extended acl information
* and if withACL is specified also one with the acl itself. If it's a directory
* and it has a default ACL, also append that. */
appendACLAtoms( path, entry, type, withACL );
}
#endif
notype:
if (details > 0) {
entry.insert( KIO::UDSEntry::UDS_MODIFICATION_TIME, buff.st_mtime );
entry.insert( KIO::UDSEntry::UDS_USER, getUserName( buff.st_uid ) );
entry.insert( KIO::UDSEntry::UDS_GROUP, getGroupName( buff.st_gid ) );
entry.insert( KIO::UDSEntry::UDS_ACCESS_TIME, buff.st_atime );
}
// Note: buff.st_ctime isn't the creation time !
// We made that mistake for KDE 2.0, but it's in fact the
// "file status" change time, which we don't care about.
return true;
}
void FileProtocol::special( const QByteArray &data)
{
int tmp;
QDataStream stream(data);
stream >> tmp;
switch (tmp) {
case 1:
{
QString fstype, dev, point;
qint8 iRo;
stream >> iRo >> fstype >> dev >> point;
bool ro = ( iRo != 0 );
kDebug(7101) << "MOUNTING fstype=" << fstype << " dev=" << dev << " point=" << point << " ro=" << ro;
bool ok = pmount( dev );
if (ok)
finished();
else
mount( ro, fstype.toAscii(), dev, point );
}
break;
case 2:
{
QString point;
stream >> point;
bool ok = pumount( point );
if (ok)
finished();
else
unmount( point );
}
break;
default:
break;
}
}
void FileProtocol::mount( bool _ro, const char *_fstype, const QString& _dev, const QString& _point )
{
kDebug(7101) << "fstype=" << _fstype;
#ifndef _WIN32_WCE
#ifdef HAVE_VOLMGT
/*
* support for Solaris volume management
*/
QString err;
QByteArray devname = QFile::encodeName( _dev );
if( volmgt_running() ) {
// kDebug(7101) << "VOLMGT: vold ok.";
if( volmgt_check( devname.data() ) == 0 ) {
kDebug(7101) << "VOLMGT: no media in "
<< devname.data();
err = i18n("No Media inserted or Media not recognized.");
error( KIO::ERR_COULD_NOT_MOUNT, err );
return;
} else {
kDebug(7101) << "VOLMGT: " << devname.data()
<< ": media ok";
finished();
return;
}
} else {
err = i18n("\"vold\" is not running.");
kDebug(7101) << "VOLMGT: " << err;
error( KIO::ERR_COULD_NOT_MOUNT, err );
return;
}
#else
KTemporaryFile tmpFile;
tmpFile.setAutoRemove(false);
tmpFile.open();
QByteArray tmpFileName = QFile::encodeName(tmpFile.fileName());
QByteArray dev;
if (_dev.startsWith(QLatin1String("LABEL="))) { // turn LABEL=foo into -L foo (#71430)
QString labelName = _dev.mid( 6 );
dev = "-L ";
dev += QFile::encodeName( KShell::quoteArg( labelName ) ); // is it correct to assume same encoding as filesystem?
} else if (_dev.startsWith(QLatin1String("UUID="))) { // and UUID=bar into -U bar
QString uuidName = _dev.mid( 5 );
dev = "-U ";
dev += QFile::encodeName( KShell::quoteArg( uuidName ) );
}
else
dev = QFile::encodeName( KShell::quoteArg(_dev) ); // get those ready to be given to a shell
QByteArray point = QFile::encodeName( KShell::quoteArg(_point) );
bool fstype_empty = !_fstype || !*_fstype;
QByteArray fstype = KShell::quoteArg(QString::fromLatin1(_fstype)).toLatin1(); // good guess
QByteArray readonly = _ro ? "-r" : "";
QString epath = QString::fromLocal8Bit(qgetenv("PATH"));
QString path = QLatin1String("/sbin:/bin");
if(!epath.isEmpty())
path += QLatin1String(":") + epath;
QByteArray mountProg = KGlobal::dirs()->findExe(QLatin1String("mount"), path).toLocal8Bit();
if (mountProg.isEmpty()){
error( KIO::ERR_COULD_NOT_MOUNT, i18n("Could not find program \"mount\""));
return;
}
// Two steps, in case mount doesn't like it when we pass all options
for ( int step = 0 ; step <= 1 ; step++ )
{
QByteArray buffer = mountProg + ' ';
// Mount using device only if no fstype nor mountpoint (KDE-1.x like)
if ( !dev.isEmpty() && _point.isEmpty() && fstype_empty )
buffer += dev;
else
// Mount using the mountpoint, if no fstype nor device (impossible in first step)
if ( !_point.isEmpty() && dev.isEmpty() && fstype_empty )
buffer += point;
else
// mount giving device + mountpoint but no fstype
if ( !_point.isEmpty() && !dev.isEmpty() && fstype_empty )
buffer += readonly + ' ' + dev + ' ' + point;
else
// mount giving device + mountpoint + fstype
#if defined(__svr4__) && defined(Q_OS_SOLARIS) // MARCO for Solaris 8 and I
// believe this is true for SVR4 in general
buffer += "-F " + fstype + ' ' + (_ro ? "-oro" : "") + ' ' + dev + ' ' + point;
#else
buffer += readonly + " -t " + fstype + ' ' + dev + ' ' + point;
#endif
buffer += " 2>" + tmpFileName;
kDebug(7101) << buffer;
int mount_ret = system( buffer.constData() );
QString err = testLogFile( tmpFileName );
if ( err.isEmpty() && mount_ret == 0)
{
finished();
return;
}
else
{
// Didn't work - or maybe we just got a warning
KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByDevice( _dev );
// Is the device mounted ?
if ( mp && mount_ret == 0)
{
kDebug(7101) << "mount got a warning:" << err;
warning( err );
finished();
return;
}
else
{
if ( (step == 0) && !_point.isEmpty())
{
kDebug(7101) << err;
kDebug(7101) << "Mounting with those options didn't work, trying with only mountpoint";
fstype = "";
fstype_empty = true;
dev = "";
// The reason for trying with only mountpoint (instead of
// only device) is that some people (hi Malte!) have the
// same device associated with two mountpoints
// for different fstypes, like /dev/fd0 /mnt/e2floppy and
// /dev/fd0 /mnt/dosfloppy.
// If the user has the same mountpoint associated with two
// different devices, well they shouldn't specify the
// mountpoint but just the device.
}
else
{
error( KIO::ERR_COULD_NOT_MOUNT, err );
return;
}
}
}
}
#endif /* ! HAVE_VOLMGT */
#else
QString err;
err = i18n("mounting is not supported by wince.");
error( KIO::ERR_COULD_NOT_MOUNT, err );
#endif
}
void FileProtocol::unmount( const QString& _point )
{
#ifndef _WIN32_WCE
QByteArray buffer;
KTemporaryFile tmpFile;
tmpFile.setAutoRemove(false);
tmpFile.open();
QByteArray tmpFileName = QFile::encodeName(tmpFile.fileName());
QString err;
#ifdef HAVE_VOLMGT
/*
* support for Solaris volume management
*/
char *devname;
char *ptr;
FILE *mnttab;
struct mnttab mnt;
if( volmgt_running() ) {
kDebug(7101) << "VOLMGT: looking for "
<< _point.toLocal8Bit();
if( (mnttab = KDE_fopen( MNTTAB, "r" )) == NULL ) {
err = QLatin1String("could not open mnttab");
kDebug(7101) << "VOLMGT: " << err;
error( KIO::ERR_COULD_NOT_UNMOUNT, err );
return;
}
/*
* since there's no way to derive the device name from
* the mount point through the volmgt library (and
* media_findname() won't work in this case), we have to
* look ourselves...
*/
devname = NULL;
rewind( mnttab );
while( getmntent( mnttab, &mnt ) == 0 ) {
if( strcmp( _point.toLocal8Bit(), mnt.mnt_mountp ) == 0 ){
devname = mnt.mnt_special;
break;
}
}
fclose( mnttab );
if( devname == NULL ) {
err = QLatin1String("not in mnttab");
kDebug(7101) << "VOLMGT: "
<< QFile::encodeName(_point).data()
<< ": " << err;
error( KIO::ERR_COULD_NOT_UNMOUNT, err );
return;
}
/*
* strip off the directory name (volume name)
* the eject(1) command will handle unmounting and
* physically eject the media (if possible)
*/
ptr = strrchr( devname, '/' );
*ptr = '\0';
QByteArray qdevname(QFile::encodeName(KShell::quoteArg(QFile::decodeName(QByteArray(devname)))).data());
buffer = "/usr/bin/eject " + qdevname + " 2>" + tmpFileName;
kDebug(7101) << "VOLMGT: eject " << qdevname;
/*
* from eject(1): exit status == 0 => need to manually eject
* exit status == 4 => media was ejected
*/
if( WEXITSTATUS( system( buffer.constData() )) == 4 ) {
/*
* this is not an error, so skip "testLogFile()"
* to avoid wrong/confusing error popup. The
* temporary file is removed by KTemporaryFile's
* destructor, so don't do that manually.
*/
finished();
return;
}
} else {
/*
* eject(1) should do its job without vold(1M) running,
* so we probably could call eject anyway, but since the
* media is mounted now, vold must've died for some reason
* during the user's session, so it should be restarted...
*/
err = i18n("\"vold\" is not running.");
kDebug(7101) << "VOLMGT: " << err;
error( KIO::ERR_COULD_NOT_UNMOUNT, err );
return;
}
#else
QString epath = QString::fromLocal8Bit(qgetenv("PATH"));
QString path = QLatin1String("/sbin:/bin");
if (!epath.isEmpty())
path += QLatin1Char(':') + epath;
QByteArray umountProg = KGlobal::dirs()->findExe(QLatin1String("umount"), path).toLocal8Bit();
if (umountProg.isEmpty()) {
error( KIO::ERR_COULD_NOT_UNMOUNT, i18n("Could not find program \"umount\""));
return;
}
buffer = umountProg + ' ' + QFile::encodeName(KShell::quoteArg(_point)) + " 2>" + tmpFileName;
system( buffer.constData() );
#endif /* HAVE_VOLMGT */
err = testLogFile( tmpFileName );
if ( err.isEmpty() )
finished();
else
error( KIO::ERR_COULD_NOT_UNMOUNT, err );
#else
QString err;
err = i18n("unmounting is not supported by wince.");
error( KIO::ERR_COULD_NOT_MOUNT, err );
#endif
}
/*************************************
*
* pmount handling
*
*************************************/
bool FileProtocol::pmount(const QString &dev)
{
#ifndef _WIN32_WCE
QString epath = QString::fromLocal8Bit(qgetenv("PATH"));
QString path = QLatin1String("/sbin:/bin");
if (!epath.isEmpty())
path += QLatin1Char(':') + epath;
QString pmountProg = KGlobal::dirs()->findExe(QLatin1String("pmount"), path);
if (pmountProg.isEmpty())
return false;
QByteArray buffer = QFile::encodeName(pmountProg) + ' ' +
QFile::encodeName(KShell::quoteArg(dev));
int res = system( buffer.constData() );
return res==0;
#else
return false;
#endif
}
bool FileProtocol::pumount(const QString &point)
{
#ifndef _WIN32_WCE
KMountPoint::Ptr mp = KMountPoint::currentMountPoints(KMountPoint::NeedRealDeviceName).findByPath(point);
if (!mp)
return false;
QString dev = mp->realDeviceName();
if (dev.isEmpty()) return false;
QString epath = QString::fromLocal8Bit(qgetenv("PATH"));
QString path = QLatin1String("/sbin:/bin");
if (!epath.isEmpty())
path += QLatin1Char(':') + epath;
QString pumountProg = KGlobal::dirs()->findExe(QLatin1String("pumount"), path);
if (pumountProg.isEmpty())
return false;
QByteArray buffer = QFile::encodeName(pumountProg);
buffer += ' ';
buffer += QFile::encodeName(KShell::quoteArg(dev));
int res = system( buffer.data() );
return res==0;
#else
return false;
#endif
}
/*************************************
*
* Utilities
*
*************************************/
static QString testLogFile( const QByteArray& _filename )
{
char buffer[ 1024 ];
KDE_struct_stat buff;
QString result;
KDE_stat( _filename, &buff );
int size = buff.st_size;
if ( size == 0 ) {
unlink( _filename );
return result;
}
FILE * f = KDE_fopen( _filename, "rb" );
if ( f == 0L ) {
unlink( _filename );
result = i18n("Could not read %1", QFile::decodeName(_filename));
return result;
}
result.clear();
const char *p = "";
while ( p != 0L ) {
p = fgets( buffer, sizeof(buffer)-1, f );
if ( p != 0L )
result += QString::fromLocal8Bit(buffer);
}
fclose( f );
unlink( _filename );
return result;
}
/*************************************
*
* ACL handling helpers
*
*************************************/
#ifdef HAVE_POSIX_ACL
bool FileProtocol::isExtendedACL( acl_t acl )
{
return ( acl_equiv_mode( acl, 0 ) != 0 );
}
static void appendACLAtoms( const QByteArray & path, UDSEntry& entry, mode_t type, bool withACL )
{
// first check for a noop
if ( acl_extended_file( path.data() ) == 0 ) return;
acl_t acl = 0;
acl_t defaultAcl = 0;
bool isDir = S_ISDIR( type );
// do we have an acl for the file, and/or a default acl for the dir, if it is one?
acl = acl_get_file( path.data(), ACL_TYPE_ACCESS );
/* Sadly libacl does not provided a means of checking for extended ACL and default
* ACL separately. Since a directory can have both, we need to check again. */
if ( isDir ) {
if ( acl ) {
if ( !FileProtocol::isExtendedACL( acl ) ) {
acl_free( acl );
acl = 0;
}
}
defaultAcl = acl_get_file( path.data(), ACL_TYPE_DEFAULT );
}
if ( acl || defaultAcl ) {
kDebug(7101) << path.constData() << "has extended ACL entries";
entry.insert( KIO::UDSEntry::UDS_EXTENDED_ACL, 1 );
}
if ( withACL ) {
if ( acl ) {
const QString str = aclToText(acl);
entry.insert( KIO::UDSEntry::UDS_ACL_STRING, str );
kDebug(7101) << path.constData() << "ACL:" << str;
}
if ( defaultAcl ) {
const QString str = aclToText(defaultAcl);
entry.insert( KIO::UDSEntry::UDS_DEFAULT_ACL_STRING, str );
kDebug(7101) << path.constData() << "DEFAULT ACL:" << str;
}
}
if ( acl ) acl_free( acl );
if ( defaultAcl ) acl_free( defaultAcl );
}
#endif
// We could port this to KTempDir::removeDir but then we wouldn't be able to tell the user
// where exactly the deletion failed, in case of errors.
bool FileProtocol::deleteRecursive(const QString& path)
{
//kDebug() << path;
QDirIterator it(path, QDir::AllEntries | QDir::NoDotAndDotDot | QDir::System | QDir::Hidden,
QDirIterator::Subdirectories);
QStringList dirsToDelete;
while ( it.hasNext() ) {
const QString itemPath = it.next();
//kDebug() << "itemPath=" << itemPath;
const QFileInfo info = it.fileInfo();
if (info.isDir() && !info.isSymLink())
dirsToDelete.prepend(itemPath);
else {
//kDebug() << "QFile::remove" << itemPath;
if (!QFile::remove(itemPath)) {
error(KIO::ERR_CANNOT_DELETE, itemPath);
return false;
}
}
}
QDir dir;
Q_FOREACH(const QString& itemPath, dirsToDelete) {
//kDebug() << "QDir::rmdir" << itemPath;
if (!dir.rmdir(itemPath)) {
error(KIO::ERR_CANNOT_DELETE, itemPath);
return false;
}
}
return true;
}
#include "file.moc"
|