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
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Version: MPL 1.1 / GPLv3+ / LGPLv3+
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License or as specified alternatively below. You may obtain a copy of
* the License at http: *www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Major Contributor(s):
* Copyright (C) 2011 Tor Lillqvist <tml@iki.fi> (initial developer)
* Copyright (C) 2011 SUSE Linux http://suse.com (initial developer's employer)
*
* Zip parsing code lifted from Mozilla's other-licenses/android/APKOpen.cpp,
* by Michael Wu <mwu@mozilla.com>.
*
* All Rights Reserved.
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
* instead of those above.
*/
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <unistd.h>
#include <fcntl.h>
#include <dlfcn.h>
#include <sys/mman.h>
#include <jni.h>
#include <linux/elf.h>
#include <android/log.h>
#include "uthash.h"
#include "osl/detail/android-bootstrap.h"
#pragma GCC diagnostic ignored "-Wdeclaration-after-statement"
#include "android_native_app_glue.c"
#pragma GCC diagnostic warning "-Wdeclaration-after-statement"
#undef LOGI
#undef LOGW
#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "lo-bootstrap", __VA_ARGS__))
#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "lo-bootstrap", __VA_ARGS__))
#define LOGE(...) ((void)__android_log_print(ANDROID_LOG_ERROR, "lo-bootstrap", __VA_ARGS__))
#define LOGF(...) ((void)__android_log_print(ANDROID_LOG_FATAL, "lo-bootstrap", __VA_ARGS__))
#define ROUND_DOWN(ptr,multiple) (void *)(((unsigned) (ptr)) & ~((multiple)-1))
struct engine {
int dummy;
};
/* These vars are valid / used only when this library is used from
* NativeActivity-based apps.
*/
static struct android_app *app;
static int (*lo_main)(int, const char **);
static int lo_main_argc;
static const char **lo_main_argv;
static int sleep_time = 0;
/* These are valid / used in all apps. */
static const char *data_dir;
static const char **library_locations;
static void *apk_file;
static int apk_file_size;
static JavaVM *the_java_vm;
/* Zip data structures */
/* compression methods */
#define STORE 0
#define DEFLATE 8
#define LZMA 14
struct local_file_header {
uint32_t signature;
uint16_t min_version;
uint16_t general_flag;
uint16_t compression;
uint16_t lastmod_time;
uint16_t lastmod_date;
uint32_t crc32;
uint32_t compressed_size;
uint32_t uncompressed_size;
uint16_t filename_size;
uint16_t extra_field_size;
char data[0];
} __attribute__((__packed__));
struct cdir_entry {
uint32_t signature;
uint16_t creator_version;
uint16_t min_version;
uint16_t general_flag;
uint16_t compression;
uint16_t lastmod_time;
uint16_t lastmod_date;
uint32_t crc32;
uint32_t compressed_size;
uint32_t uncompressed_size;
uint16_t filename_size;
uint16_t extra_field_size;
uint16_t file_comment_size;
uint16_t disk_num;
uint16_t internal_attr;
uint32_t external_attr;
uint32_t offset;
char data[0];
} __attribute__((__packed__));
#define CDIR_END_SIG 0x06054b50
struct cdir_end {
uint32_t signature;
uint16_t disk_num;
uint16_t cdir_disk;
uint16_t disk_entries;
uint16_t cdir_entries;
uint32_t cdir_size;
uint32_t cdir_offset;
uint16_t comment_size;
char comment[0];
} __attribute__((__packed__));
/* End of Zip data structures */
static struct cdir_entry *cdir_start;
static uint16_t cdir_entries;
/* Data structure to turn Zip's list in arbitrary order of
* hierarchical pathnames (not necessarily including entries for
* directories) into an actual hierarchical directory tree, so that we
* can iterate over directory entries properly in the dirent style
* functions.
*/
typedef struct direntry *direntry;
struct direntry {
UT_hash_handle hh;
enum { REGULAR, DIRECTORY } kind;
int ino;
union {
struct cdir_entry *file;
direntry subdir;
};
};
struct lo_apk_dir {
direntry cur;
};
static direntry assets = NULL;
static uint32_t
cdir_entry_size(struct cdir_entry *entry)
{
return sizeof(*entry) +
letoh16(entry->filename_size) +
letoh16(entry->extra_field_size) +
letoh16(entry->file_comment_size);
}
static int
setup_cdir(void)
{
struct cdir_end *dirend = (struct cdir_end *)((char *) apk_file + apk_file_size - sizeof(*dirend));
uint32_t cdir_offset;
while ((void *)dirend > apk_file &&
letoh32(dirend->signature) != CDIR_END_SIG)
dirend = (struct cdir_end *)((char *)dirend - 1);
if (letoh32(dirend->signature) != CDIR_END_SIG) {
LOGE("setup_cdir: Could not find end of central directory record");
return 0;
}
cdir_offset = letoh32(dirend->cdir_offset);
cdir_entries = letoh16(dirend->cdir_entries);
cdir_start = (struct cdir_entry *)((char *)apk_file + cdir_offset);
return 1;
}
static struct cdir_entry *
find_cdir_entry(struct cdir_entry *entry, int count, const char *name)
{
size_t name_size = strlen(name);
while (count--) {
if (letoh16(entry->filename_size) == name_size &&
!memcmp(entry->data, name, name_size))
return entry;
entry = (struct cdir_entry *)((char *)entry + cdir_entry_size(entry));
}
return NULL;
}
static void
handle_one_asset(struct cdir_entry *entry)
{
/* In the .apk there are no initial slashes */
const char *p = entry->data + sizeof("assets/")-1;
const char *z = entry->data + entry->filename_size;
direntry *dir = &assets;
static int ino = 1;
while (p < z) {
const char *q = p;
direntry old, new;
while (q < z && *q != '/')
q++;
HASH_FIND(hh, *dir, p, (unsigned)(q - p), old);
if (*q == '/') {
if (old == NULL) {
new = malloc(sizeof(*new));
new->ino = ino++;
new->kind = DIRECTORY;
new->subdir = NULL;
HASH_ADD_KEYPTR(hh, *dir, p, (unsigned)(q - p), new);
dir = &new->subdir;
} else {
dir = &old->subdir;
}
p = q + 1;
} else {
if (old == NULL) {
new = malloc(sizeof(*new));
new->ino = ino++;
new->kind = REGULAR;
new->file = entry;
HASH_ADD_KEYPTR(hh, *dir, p, (unsigned)(q - p), new);
} else {
LOGE("duplicate entry in apk: %.*s", entry->filename_size, entry->data);
}
p = q;
}
(void) dir;
}
}
static int
setup_assets_tree(void)
{
int count = cdir_entries;
struct cdir_entry *entry = cdir_start;
while (count--) {
if (letoh16(entry->filename_size) >= sizeof("assets/")-1 &&
memcmp(entry->data, "assets/", sizeof("assets/")-1) == 0)
handle_one_asset(entry);
entry = (struct cdir_entry *)((char *)entry + cdir_entry_size(entry));
}
return 1;
}
static void
engine_handle_cmd(struct android_app* state,
int32_t cmd)
{
(void) state;
switch (cmd) {
case APP_CMD_SAVE_STATE:
break;
case APP_CMD_INIT_WINDOW:
break;
case APP_CMD_TERM_WINDOW:
break;
case APP_CMD_GAINED_FOCUS:
break;
case APP_CMD_LOST_FOCUS:
break;
}
}
static char *
read_section(int fd,
Elf32_Shdr *shdr)
{
char *result;
result = malloc(shdr->sh_size);
if (lseek(fd, shdr->sh_offset, SEEK_SET) < 0) {
close(fd);
free(result);
return NULL;
}
if (read(fd, result, shdr->sh_size) < (int) shdr->sh_size) {
close(fd);
free(result);
return NULL;
}
return result;
}
static void
free_ptrarray(void **pa)
{
void **rover = pa;
while (*rover != NULL)
free(*rover++);
free(pa);
}
/* The lo-bootstrap shared library is always loaded from Java, so
* this is always called by JNI first.
*/
__attribute__ ((visibility("default")))
jint
JNI_OnLoad(JavaVM* vm, void* reserved)
{
(void) reserved;
the_java_vm = vm;
return JNI_VERSION_1_2;
}
__attribute__ ((visibility("default")))
jobjectArray
Java_org_libreoffice_android_Bootstrap_dlneeds(JNIEnv* env,
jobject clazz,
jstring library)
{
char **needed;
int n_needed;
const char *libName;
jclass String;
jobjectArray result;
(void) clazz;
libName = (*env)->GetStringUTFChars(env, library, NULL);
needed = lo_dlneeds(libName);
(*env)->ReleaseStringUTFChars(env, library, libName);
if (needed == NULL)
return NULL;
n_needed = 0;
while (needed[n_needed] != NULL)
n_needed++;
/* Allocate return value */
String = (*env)->FindClass(env, "java/lang/String");
if (String == NULL) {
LOGE("Could not find the String class");
free_ptrarray((void **) needed);
return NULL;
}
result = (*env)->NewObjectArray(env, n_needed, String, NULL);
if (result == NULL) {
LOGE("Could not create the String array");
free_ptrarray((void **) needed);
return NULL;
}
for (n_needed = 0; needed[n_needed] != NULL; n_needed++)
(*env)->SetObjectArrayElement(env, result, n_needed, (*env)->NewStringUTF(env, needed[n_needed]));
free_ptrarray((void **) needed);
return result;
}
__attribute__ ((visibility("default")))
jint
Java_org_libreoffice_android_Bootstrap_dlopen(JNIEnv* env,
jobject clazz,
jstring library)
{
const char *libName;
void *p;
(void) clazz;
libName = (*env)->GetStringUTFChars(env, library, NULL);
p = lo_dlopen (libName);
(*env)->ReleaseStringUTFChars(env, library, libName);
return (jint) p;
}
__attribute__ ((visibility("default")))
jint
Java_org_libreoffice_android_Bootstrap_dlsym(JNIEnv* env,
jobject clazz,
jint handle,
jstring symbol)
{
const char *symName;
void *p;
(void) clazz;
symName = (*env)->GetStringUTFChars(env, symbol, NULL);
p = lo_dlsym ((void *) handle, symName);
(*env)->ReleaseStringUTFChars(env, symbol, symName);
return (jint) p;
}
__attribute__ ((visibility("default")))
jint
Java_org_libreoffice_android_Bootstrap_dlcall(JNIEnv* env,
jobject clazz,
jint function,
jobject argument)
{
jclass StringArray;
(void) clazz;
StringArray = (*env)->FindClass(env, "[Ljava/lang/String;");
if (StringArray == NULL) {
LOGE("Could not find String[] class");
return 0;
}
if ((*env)->IsInstanceOf(env, argument, StringArray)) {
int argc = (*env)->GetArrayLength(env, argument);
const char **argv = malloc(sizeof(char *) * (argc+1));
int i, result;
for (i = 0; i < argc; i++) {
argv[i] = (*env)->GetStringUTFChars(env, (*env)->GetObjectArrayElement(env, argument, i), NULL);
/* LOGI("argv[%d] = %s", i, argv[i]); */
}
argv[argc] = NULL;
result = lo_dlcall_argc_argv((void *) function, argc, argv);
for (i = 0; i < argc; i++)
(*env)->ReleaseStringUTFChars(env, (*env)->GetObjectArrayElement(env, argument, i), argv[i]);
free(argv);
return result;
}
return 0;
}
// public static native boolean setup(String dataDir,
// String apkFile,
// String[] ld_library_path);
__attribute__ ((visibility("default")))
jboolean
Java_org_libreoffice_android_Bootstrap_setup__Ljava_lang_String_2Ljava_lang_String_2_3Ljava_lang_String_2
(JNIEnv* env,
jobject clazz,
jstring dataDir,
jstring apkFile,
jobjectArray ld_library_path)
{
struct stat st;
int i, n, fd;
const char *dataDirPath;
const char *apkFilePath;
char *lib_dir;
(void) clazz;
n = (*env)->GetArrayLength(env, ld_library_path);
library_locations = malloc((n+2) * sizeof(char *));
dataDirPath = (*env)->GetStringUTFChars(env, dataDir, NULL);
data_dir = strdup(dataDirPath);
lib_dir = malloc(strlen(dataDirPath) + 5);
strcpy(lib_dir, dataDirPath);
strcat(lib_dir, "/lib");
(*env)->ReleaseStringUTFChars(env, dataDir, dataDirPath);
library_locations[0] = lib_dir;
for (i = 0; i < n; i++) {
const char *s = (*env)->GetStringUTFChars(env, (*env)->GetObjectArrayElement(env, ld_library_path, i), NULL);
library_locations[i+1] = strdup(s);
(*env)->ReleaseStringUTFChars(env, (*env)->GetObjectArrayElement(env, ld_library_path, i), s);
}
library_locations[n+1] = NULL;
for (n = 0; library_locations[n] != NULL; n++)
LOGI("library_locations[%d] = %s", n, library_locations[n]);
apkFilePath = (*env)->GetStringUTFChars(env, apkFile, NULL);
fd = open(apkFilePath, O_RDONLY);
if (fd == -1) {
LOGE("Could not open %s", apkFilePath);
(*env)->ReleaseStringUTFChars(env, apkFile, apkFilePath);
return JNI_FALSE;
}
if (fstat(fd, &st) == -1) {
LOGE("Could not fstat %s", apkFilePath);
close(fd);
(*env)->ReleaseStringUTFChars(env, apkFile, apkFilePath);
return JNI_FALSE;
}
apk_file = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
close(fd);
if (apk_file == MAP_FAILED) {
LOGE("Could not mmap %s", apkFilePath);
(*env)->ReleaseStringUTFChars(env, apkFile, apkFilePath);
return JNI_FALSE;
}
apk_file_size = st.st_size;
(*env)->ReleaseStringUTFChars(env, apkFile, apkFilePath);
if (!setup_cdir())
return JNI_FALSE;
if (!setup_assets_tree())
return JNI_FALSE;
return JNI_TRUE;
}
static jboolean
get_jni_string_array(JNIEnv *env,
const char *function_and_parameter_name,
jobject strv,
int *argc,
const char ***argv)
{
jclass StringArray;
int i;
StringArray = (*env)->FindClass(env, "[Ljava/lang/String;");
if (StringArray == NULL) {
LOGE("Could not find String[] class");
return JNI_FALSE;
}
if (!(*env)->IsInstanceOf(env, strv, StringArray)) {
LOGE("%s is not a String[]?", function_and_parameter_name);
return JNI_FALSE;
}
*argc = (*env)->GetArrayLength(env, strv);
*argv = malloc(sizeof(char *) * (*argc+1));
for (i = 0; i < *argc; i++) {
const char *s = (*env)->GetStringUTFChars(env, (*env)->GetObjectArrayElement(env, strv, i), NULL);
(*argv)[i] = strdup(s);
(*env)->ReleaseStringUTFChars(env, (*env)->GetObjectArrayElement(env, strv, i), s);
/* LOGI("argv[%d] = %s", i, lo_main_argv[i]); */
}
(*argv)[*argc] = NULL;
return JNI_TRUE;
}
// public static native boolean setup(int lo_main_ptr,
// Object lo_main_argument,
// int lo_main_delay);
__attribute__ ((visibility("default")))
jboolean
Java_org_libreoffice_android_Bootstrap_setup__ILjava_lang_Object_2I(JNIEnv* env,
jobject clazz,
void *lo_main_ptr,
jobject lo_main_argument,
jint lo_main_delay)
{
(void) clazz;
lo_main = lo_main_ptr;
if (!get_jni_string_array(env, "setup: lo_main_argument", lo_main_argument, &lo_main_argc, &lo_main_argv))
return JNI_FALSE;
sleep_time = lo_main_delay;
return JNI_TRUE;
}
// public static native int getpid();
__attribute__ ((visibility("default")))
jint
Java_org_libreoffice_android_Bootstrap_getpid(JNIEnv* env,
jobject clazz)
{
(void) env;
(void) clazz;
return getpid();
}
// public static native void system(String cmdline);
__attribute__ ((visibility("default")))
void
Java_org_libreoffice_android_Bootstrap_system(JNIEnv* env,
jobject clazz,
jstring cmdline)
{
const char *s;
(void) clazz;
s = (*env)->GetStringUTFChars(env, cmdline, NULL);
LOGI("system(%s)", s);
system(s);
(*env)->ReleaseStringUTFChars(env, cmdline, s);
}
// public static native void putenv(String string);
__attribute__ ((visibility("default")))
void
Java_org_libreoffice_android_Bootstrap_putenv(JNIEnv* env,
jobject clazz,
jstring string)
{
const char *s;
(void) clazz;
s = (*env)->GetStringUTFChars(env, string, NULL);
LOGI("putenv(%s)", s);
putenv(s);
(*env)->ReleaseStringUTFChars(env, string, s);
}
__attribute__ ((visibility("default")))
char **
lo_dlneeds(const char *library)
{
int i, fd;
int n_needed;
char **result;
char *shstrtab;
char *dynstr = NULL;
Elf32_Ehdr hdr;
Elf32_Shdr shdr;
Elf32_Dyn dyn;
/* Open library and read ELF header */
fd = open(library, O_RDONLY);
if (fd == -1) {
LOGE("lo_dlneeds: Could not open library %s: %s", library, strerror(errno));
return NULL;
}
if (read(fd, &hdr, sizeof(hdr)) < (int) sizeof(hdr)) {
LOGE("lo_dlneeds: Could not read ELF header of %s", library);
close(fd);
return NULL;
}
/* Read in .shstrtab */
if (lseek(fd, hdr.e_shoff + hdr.e_shstrndx * sizeof(shdr), SEEK_SET) < 0) {
LOGE("lo_dlneeds: Could not seek to .shstrtab section header of %s", library);
close(fd);
return NULL;
}
if (read(fd, &shdr, sizeof(shdr)) < (int) sizeof(shdr)) {
LOGE("lo_dlneeds: Could not read section header of %s", library);
close(fd);
return NULL;
}
shstrtab = read_section(fd, &shdr);
if (shstrtab == NULL)
return NULL;
/* Read section headers, looking for .dynstr section */
if (lseek(fd, hdr.e_shoff, SEEK_SET) < 0) {
LOGE("lo_dlneeds: Could not seek to section headers of %s", library);
close(fd);
return NULL;
}
for (i = 0; i < hdr.e_shnum; i++) {
if (read(fd, &shdr, sizeof(shdr)) < (int) sizeof(shdr)) {
LOGE("lo_dlneeds: Could not read section header of %s", library);
close(fd);
return NULL;
}
if (shdr.sh_type == SHT_STRTAB &&
strcmp(shstrtab + shdr.sh_name, ".dynstr") == 0) {
dynstr = read_section(fd, &shdr);
if (dynstr == NULL) {
free(shstrtab);
return NULL;
}
break;
}
}
if (i == hdr.e_shnum) {
LOGE("lo_dlneeds: No .dynstr section in %s", library);
close(fd);
return NULL;
}
/* Read section headers, looking for .dynamic section */
if (lseek(fd, hdr.e_shoff, SEEK_SET) < 0) {
LOGE("lo_dlneeds: Could not seek to section headers of %s", library);
close(fd);
return NULL;
}
for (i = 0; i < hdr.e_shnum; i++) {
if (read(fd, &shdr, sizeof(shdr)) < (int) sizeof(shdr)) {
LOGE("lo_dlneeds: Could not read section header of %s", library);
close(fd);
return NULL;
}
if (shdr.sh_type == SHT_DYNAMIC) {
size_t dynoff;
/* Count number of DT_NEEDED entries */
n_needed = 0;
if (lseek(fd, shdr.sh_offset, SEEK_SET) < 0) {
LOGE("lo_dlneeds: Could not seek to .dynamic section of %s", library);
close(fd);
return NULL;
}
for (dynoff = 0; dynoff < shdr.sh_size; dynoff += sizeof(dyn)) {
if (read(fd, &dyn, sizeof(dyn)) < (int) sizeof(dyn)) {
LOGE("lo_dlneeds: Could not read .dynamic entry of %s", library);
close(fd);
return NULL;
}
if (dyn.d_tag == DT_NEEDED)
n_needed++;
}
/* LOGI("Found %d DT_NEEDED libs", n_needed); */
result = malloc((n_needed+1) * sizeof(char *));
n_needed = 0;
if (lseek(fd, shdr.sh_offset, SEEK_SET) < 0) {
LOGE("lo_dlneeds: Could not seek to .dynamic section of %s", library);
close(fd);
free(result);
return NULL;
}
for (dynoff = 0; dynoff < shdr.sh_size; dynoff += sizeof(dyn)) {
if (read(fd, &dyn, sizeof(dyn)) < (int) sizeof(dyn)) {
LOGE("lo_dlneeds: Could not read .dynamic entry in %s", library);
close(fd);
free(result);
return NULL;
}
if (dyn.d_tag == DT_NEEDED) {
/* LOGI("needs: %s\n", dynstr + dyn.d_un.d_val); */
result[n_needed] = strdup(dynstr + dyn.d_un.d_val);
n_needed++;
}
}
close(fd);
if (dynstr)
free(dynstr);
free(shstrtab);
result[n_needed] = NULL;
return result;
}
}
LOGE("lo_dlneeds: Could not find .dynamic section in %s", library);
close(fd);
return NULL;
}
__attribute__ ((visibility("default")))
void *
lo_dlopen(const char *library)
{
/*
* We should *not* try to just dlopen() the bare library name
* first, as the stupid dynamic linker remembers for each library
* basename if loading it has failed. Thus if you try loading it
* once, and it fails because of missing needed libraries, and
* your load those, and then try again, it fails with an
* infuriating message "failed to load previously" in the log.
*
* We *must* first dlopen() all needed libraries, recursively. It
* shouldn't matter if we dlopen() a library that already is
* loaded, dlopen() just returns the same value then.
*/
typedef struct loadedLib {
const char *name;
void *handle;
struct loadedLib *next;
} *loadedLib;
static loadedLib loaded_libraries = NULL;
loadedLib rover;
loadedLib new_loaded_lib;
struct stat st;
void *p;
char *full_name;
char **needed;
int i;
int found;
struct timeval tv0, tv1, tvdiff;
rover = loaded_libraries;
while (rover != NULL &&
strcmp(rover->name, library) != 0)
rover = rover->next;
if (rover != NULL)
return rover->handle;
/* LOGI("lo_dlopen(%s)", library); */
found = 0;
if (library[0] == '/') {
full_name = strdup(library);
if (stat(full_name, &st) == 0 &&
S_ISREG(st.st_mode))
found = 1;
else
free(full_name);
} else {
for (i = 0; !found && library_locations[i] != NULL; i++) {
full_name = malloc(strlen(library_locations[i]) + 1 + strlen(library) + 1);
strcpy(full_name, library_locations[i]);
strcat(full_name, "/");
strcat(full_name, library);
if (stat(full_name, &st) == 0 &&
S_ISREG(st.st_mode))
found = 1;
else
free(full_name);
}
}
if (!found) {
LOGE("lo_dlopen: Library %s not found", library);
return NULL;
}
needed = lo_dlneeds(full_name);
if (needed == NULL) {
free(full_name);
return NULL;
}
for (i = 0; needed[i] != NULL; i++) {
if (lo_dlopen(needed[i]) == NULL) {
free_ptrarray((void **) needed);
free(full_name);
return NULL;
}
}
free_ptrarray((void **) needed);
gettimeofday(&tv0, NULL);
p = dlopen(full_name, RTLD_LOCAL);
gettimeofday(&tv1, NULL);
timersub(&tv1, &tv0, &tvdiff);
LOGI("dlopen(%s) = %p, %ld.%03lds",
full_name, p,
(long) tvdiff.tv_sec, (long) tvdiff.tv_usec / 1000);
free(full_name);
if (p == NULL)
LOGE("lo_dlopen: Error from dlopen(%s): %s", library, dlerror());
new_loaded_lib = malloc(sizeof(*new_loaded_lib));
new_loaded_lib->name = strdup(library);
new_loaded_lib->handle = p;
new_loaded_lib->next = loaded_libraries;
loaded_libraries = new_loaded_lib;
return p;
}
__attribute__ ((visibility("default")))
void *
lo_dlsym(void *handle,
const char *symbol)
{
void *p = dlsym(handle, symbol);
/* LOGI("dlsym(%p, %s) = %p", handle, symbol, p); */
if (p == NULL)
LOGE("lo_dlsym: %s", dlerror());
return p;
}
__attribute__ ((visibility("default")))
int
lo_dladdr(void *addr,
Dl_info *info)
{
FILE *maps;
char line[200];
int result;
int found;
result = dladdr(addr, info);
if (result == 0) {
/* LOGI("dladdr(%p) = 0", addr); */
return 0;
}
maps = fopen("/proc/self/maps", "r");
if (maps == NULL) {
LOGE("lo_dladdr: Could not open /proc/self/maps: %s", strerror(errno));
return 0;
}
found = 0;
while (fgets(line, sizeof(line), maps) != NULL &&
line[strlen(line)-1] == '\n') {
void *lo, *hi;
char file[sizeof(line)];
file[0] = '\0';
if (sscanf(line, "%x-%x %*s %*x %*x:%*x %*d %[^\n]", (unsigned *) &lo, (unsigned *) &hi, file) == 3) {
/* LOGI("got %p-%p: %s", lo, hi, file); */
if (addr >= lo && addr < hi) {
if (info->dli_fbase != lo) {
LOGE("lo_dladdr: Base for %s in /proc/self/maps %p doesn't match what dladdr() said", file, lo);
fclose(maps);
return 0;
}
/* LOGI("dladdr(%p) = { %s:%p, %s:%p }: %s",
addr,
info->dli_fname, info->dli_fbase,
info->dli_sname ? info->dli_sname : "(none)", info->dli_saddr,
file); */
info->dli_fname = strdup(file);
found = 1;
break;
}
}
}
if (!found)
LOGE("lo_dladdr: Did not find %p in /proc/self/maps", addr);
fclose(maps);
return result;
}
__attribute__ ((visibility("default")))
int
lo_dlclose(void *handle)
{
/* As we don't know when the reference count for a dlopened shared
* object drops to zero, we wouldn't know when to remove it from
* our list, so we can't call dlclose().
*/
LOGI("lo_dlclose(%p)", handle);
return 0;
}
__attribute__ ((visibility("default")))
void *
lo_apkentry(const char *filename,
size_t *size)
{
struct cdir_entry *entry;
struct local_file_header *file;
void *data;
if (*filename == '/')
filename++;
entry = find_cdir_entry(cdir_start, cdir_entries, filename);
if (entry == NULL) {
LOGE("lo_apkentry: Could not find %s", filename);
return NULL;
}
file = (struct local_file_header *)((char *)apk_file + letoh32(entry->offset));
if (letoh16(file->compression) != STORE) {
LOGE("lo_apkentry: File %s is compressed", filename);
return NULL;
}
data = ((char *)&file->data) + letoh16(file->filename_size) + letoh16(file->extra_field_size);
*size = file->uncompressed_size;
/* LOGI("lo_apkentry(%s): %p, %d", filename, data, *size); */
return data;
}
__attribute__ ((visibility("default")))
lo_apk_dir *
lo_apk_opendir(const char *dirname)
{
/* In the .apk there are no initial slashes, but the parameter passed to
* us does have it.
*/
const char *p = dirname + sizeof("/assets/")-1;
direntry dir = assets;
if (!*p) {
lo_apk_dir *result = malloc(sizeof(*result));
result->cur = assets;
return result;
}
while (1) {
const char *q = p;
direntry entry;
while (*q && *q != '/')
q++;
HASH_FIND(hh, dir, p, (unsigned)(q - p), entry);
if (entry == NULL && *q == '/') {
errno = ENOENT;
return NULL;
} else if (entry == NULL) {
/* Empty directories, or directories containing only "hidden"
* files (like the .gitignore in sc/qa/unit/qpro/indeterminate)
* are not present in the .apk. So we need to pretend that any
* directory that doesn't exist as a parent of an entry in the
* .apk *does* exist but is empty.
*/
lo_apk_dir *result = malloc(sizeof(*result));
result->cur = NULL;
return result;
}
if (entry->kind != DIRECTORY) {
errno = ENOTDIR;
return NULL;
}
if (!q[0] || !q[1]) {
lo_apk_dir *result = malloc(sizeof(*result));
result->cur = entry->subdir;
return result;
}
dir = entry->subdir;
p = q + 1;
}
}
__attribute__ ((visibility("default")))
struct dirent *
lo_apk_readdir(lo_apk_dir *dirp)
{
static struct dirent result;
if (dirp->cur == NULL) {
/* LOGI("lo_apk_readdir(%p) = NULL", dirp); */
return NULL;
}
result.d_ino = dirp->cur->ino;
result.d_off = 0;
result.d_reclen = 0;
if (dirp->cur->kind == DIRECTORY)
result.d_type = DT_DIR;
else
result.d_type = DT_REG;
memcpy(result.d_name, dirp->cur->hh.key, dirp->cur->hh.keylen);
result.d_name[dirp->cur->hh.keylen] = '\0';
dirp->cur = dirp->cur->hh.next;
/* LOGI("lo_apk_readdir(%p) = %s:%s", dirp, result.d_type == DT_DIR ? "DIR" : "REG", result.d_name); */
return &result;
}
__attribute__ ((visibility("default")))
int
lo_apk_closedir(lo_apk_dir *dirp)
{
free(dirp);
/* LOGI("lo_apk_closedir(%p)", dirp); */
return 0;
}
static int
new_stat(const char *path,
struct stat *statp,
struct cdir_entry *entry,
int mode,
int fake_ino)
{
struct tm tm;
memset(statp, 0, sizeof(*statp));
statp->st_mode = mode | S_IRUSR;
statp->st_nlink = 1;
statp->st_uid = getuid();
statp->st_gid = getgid();
if (entry != NULL)
statp->st_size = entry->uncompressed_size;
else
statp->st_size = 0;
statp->st_blksize = 512;
if (statp->st_size == 0)
statp->st_blocks = 0;
else
statp->st_blocks = (statp->st_size - 1) / statp->st_blksize + 1;
statp->st_atime = time(NULL);
memset(&tm, 0, sizeof(tm));
tm.tm_sec = (letoh16(entry->lastmod_time) & 0x1F) * 2;
tm.tm_min = (letoh16(entry->lastmod_time) >> 5) & 0x3F;
tm.tm_hour = (letoh16(entry->lastmod_time) >> 11) & 0x1F;
tm.tm_mday = letoh16(entry->lastmod_date) & 0x1F;
tm.tm_mon = ((letoh16(entry->lastmod_date) >> 5) & 0x0F) - 1;
tm.tm_year = ((letoh16(entry->lastmod_date) >> 9) & 0x7F) + 80;
statp->st_mtime = mktime(&tm);
statp->st_ctime = statp->st_mtime;
statp->st_ino = fake_ino;
(void) path;
/* LOGI("lo_apk_lstat(%s) = { mode=%o, size=%lld, ino=%lld mtime=%.24s }",
path, statp->st_mode, statp->st_size, statp->st_ino,
ctime((const time_t *) &statp->st_mtime)); */
return 0;
}
__attribute__ ((visibility("default")))
int
lo_apk_lstat(const char *path,
struct stat *statp)
{
const char *pn = path;
int count = cdir_entries;
struct cdir_entry *entry = cdir_start;
size_t name_size;
if (*pn == '/') {
pn++;
if (!pn[0])
return new_stat(path, statp, NULL, S_IFDIR | S_IXUSR, 1);
}
name_size = strlen(pn);
while (count--)
{
if (letoh16(entry->filename_size) >= name_size &&
!memcmp(entry->data, pn, name_size) &&
(letoh16(entry->filename_size) == name_size || entry->data[name_size] == '/'))
break;
entry = (struct cdir_entry *)((char *)entry + cdir_entry_size(entry));
}
if (count >= 0) {
if (letoh16(entry->filename_size) == name_size)
return new_stat(path, statp, entry, S_IFREG, cdir_entries - count + 1);
else
return new_stat(path, statp, entry, S_IFDIR | S_IXUSR, cdir_entries - count + 1);
}
errno = ENOENT;
return -1;
}
__attribute__ ((visibility("default")))
int
lo_dlcall_argc_argv(void *function,
int argc,
const char **argv)
{
int (*fp)(int, const char **) = function;
int result = fp(argc, argv);
return result;
}
/* There is a bug in std::type_info::operator== and
* std::type_info::before() in libgnustl_shared.so in NDK r7 at
* least. They compare the type name pointers instead of comparing the
* type name strings. See
* http://code.google.com/p/android/issues/detail?id=22165 . So patch
* that, poke in jumps to our own code snippets below instead.
*/
/* Replacement std::type_info::operator== */
__asm(" .arm\n"
" .global replacement_operator_equals_arm\n"
"replacement_operator_equals_arm:\n"
" push {lr}\n"
/* Load name pointers into r0 and r1 */
" ldr r0, [r0, #4]\n"
" ldr r1, [r1, #4]\n"
/* First compare pointers */
" cmp r0, r1\n"
/* If equal, return true */
" beq .L.equals.1\n"
/* Otherwise call strcmp */
" bl strcmp\n"
/* And return true or false */
" cmp r0, #0\n"
" moveq r0, #1\n"
" movne r0, #0\n"
" b .L.equals.9\n"
".L.equals.1:\n"
" mov r0, #1\n"
".L.equals.9:\n"
" pop {pc}\n"
);
extern unsigned int replacement_operator_equals_arm;
/* The ARM (not Thumb) code of the operator== in NDK r7 */
static unsigned int expected_operator_equals_r7_code[] = {
0xe5903004, /* ldr r3, [r0, #4] */
0xe5910004, /* ldr r0, [r1, #4] */
0xe1530000, /* cmp r3, r0 */
0x13a00000, /* movne, #0 */
0x03a00001, /* moveq r0, #1 */
0xe12fff1e /* bx lr */
};
/* Ditto for std::type_info::before() */
__asm(" .arm\n"
" .global replacement_method_before_arm\n"
"replacement_method_before_arm:\n"
" push {lr}\n"
/* Load name pointers into r0 and r1 */
" ldr r0, [r0, #4]\n"
" ldr r1, [r1, #4]\n"
/* First compare pointers */
" cmp r0, r1\n"
/* If equal, return false */
" beq .L.before.1\n"
/* Otherwise call strcmp */
" bl strcmp\n"
/* And return true or false */
" cmp r0, #0\n"
" movlt r0, #1\n"
" movge r0, #0\n"
" b .L.before.9\n"
".L.before.1:\n"
" mov r0, #0\n"
".L.before.9:\n"
" pop {pc}\n"
);
extern unsigned int replacement_method_before_arm;
static unsigned int expected_method_before_r7_code[] = {
0xe5903004, /* ldr r3, [r0, #4] */
0xe5910004, /* ldr r0, [r1, #4] */
0xe1530000, /* cmp r3, r0 */
0x23a00000, /* movcs r0, #0 */
0x33a00001, /* movcc r0, #1 */
0xe12fff1e /* bx lr */
};
static void
patch(const char *symbol,
const char *plaintext,
unsigned *expected_code,
size_t expected_code_size,
unsigned *replacement_code)
{
void *libgnustl_shared;
void *code;
void *base;
size_t size;
/* libgnustl_shared.so should be already loaded as we build
* all LO code against it, so as we have loaded the .so
* containing lo_main() already, libgnustl_shared.so will have
* been brought in, too.
*/
libgnustl_shared = dlopen("libgnustl_shared.so", RTLD_LOCAL);
if (libgnustl_shared == NULL) {
LOGF("android_main: libgnustl_shared.so not mapped??");
exit(0);
}
code = dlsym(libgnustl_shared, symbol);
if (code == NULL) {
LOGF("android_main: %s not found!?", plaintext);
exit(0);
}
/* LOGI("%s is at %p", plaintext, operator_equals); */
if ((((unsigned) code) & 0x03) != 0) {
LOGE("android_main: Address of %s is not at word boundary, huh?", plaintext);
return;
}
if ((((unsigned) &replacement_code) & 0x03) != 0) {
LOGE("android_main: Address of replacement %s is not at word boundary, huh?", plaintext);
return;
}
if (memcmp(code, expected_code, expected_code_size) != 0) {
LOGI("android_main: Code for %s does not match that in NDK r7; not patching it", plaintext);
return;
}
base = ROUND_DOWN(code, getpagesize());
size = code + sizeof(expected_code_size) - ROUND_DOWN(code, getpagesize());
if (mprotect(base, size, PROT_READ|PROT_WRITE|PROT_EXEC) == -1) {
LOGE("android_main: mprotect() failed: %s", strerror(errno));
return;
}
/* Poke in a jump to replacement_code instead */
((unsigned *) code)[0] = 0xe51ff004; /* ldr pc, [pc, #-4] */
((unsigned *) code)[1] = (unsigned) replacement_code;
}
static void
patch_libgnustl_shared(void)
{
patch("_ZNKSt9type_infoeqERKS_",
"std::type_info::operator==",
expected_operator_equals_r7_code,
sizeof(expected_operator_equals_r7_code),
&replacement_operator_equals_arm);
patch("_ZNKSt9type_info6beforeERKS_",
"std::type_info::before()",
expected_method_before_r7_code,
sizeof(expected_method_before_r7_code),
&replacement_method_before_arm);
}
#define UNPACK_TREE "/assets/unpack"
static int
mkdir_p(const char *dirname)
{
char *p = malloc(strlen(dirname) + 1);
const char *q = dirname + 1;
const char *slash;
do {
slash = strchr(q, '/');
if (slash == NULL)
slash = q + strlen(q);
memcpy(p, dirname, slash-dirname);
p[slash-dirname] = '\0';
if (mkdir(p, 0700) == -1 && errno != EEXIST) {
LOGE("mkdir_p: Could not create %s: %s", p, strerror(errno));
free(p);
return 0;
}
if (*slash)
q = slash + 1;
} while (*slash);
free(p);
return 1;
}
static void
extract_files(const char *prefix)
{
lo_apk_dir *tree = lo_apk_opendir(prefix);
struct dirent *dent;
if (tree == NULL)
return;
while ((dent = lo_apk_readdir(tree)) != NULL) {
if (strcmp(dent->d_name, ".") == 0 ||
strcmp(dent->d_name, "..") == 0)
continue;
if (dent->d_type == DT_DIR) {
char *subdir = malloc(strlen(prefix) + 1 + strlen(dent->d_name) + 1);
strcpy(subdir, prefix);
strcat(subdir, "/");
strcat(subdir, dent->d_name);
extract_files(subdir);
free(subdir);
} else {
char *filename;
char *newfilename;
const char *apkentry;
size_t size;
struct stat st;
FILE *f;
filename = malloc(strlen(prefix) + 1 + strlen(dent->d_name) + 1);
strcpy(filename, prefix);
strcat(filename, "/");
strcat(filename, dent->d_name);
apkentry = lo_apkentry(filename, &size);
if (apkentry == NULL) {
LOGE("extract_files: Could not find %s in .apk", filename);
free(filename);
continue;
}
newfilename = malloc(strlen(data_dir) + 1 + strlen(prefix) - sizeof(UNPACK_TREE) + 1 + strlen(dent->d_name) + 1);
strcpy(newfilename, data_dir);
strcat(newfilename, "/");
strcat(newfilename, prefix + sizeof(UNPACK_TREE));
if (!mkdir_p(newfilename)) {
free(filename);
free(newfilename);
continue;
}
strcat(newfilename, "/");
strcat(newfilename, dent->d_name);
if (stat(newfilename, &st) == 0 &&
st.st_size == size) {
free(filename);
free(newfilename);
continue;
}
f = fopen(newfilename, "w");
if (f == NULL) {
LOGE("extract_files: Could not open %s for writing: %s", newfilename, strerror(errno));
free(filename);
free(newfilename);
continue;
}
if (fwrite(apkentry, size, 1, f) != 1) {
LOGE("extract_files: Could not write %d bytes to %s: %s", size, newfilename, strerror(errno));
}
LOGI("extract_files: Copied %s to %s: %d bytes", filename, newfilename, size);
fclose(f);
free(filename);
free(newfilename);
}
}
lo_apk_closedir(tree);
}
// public static native void patch_libgnustl_shared();
__attribute__ ((visibility("default")))
void
Java_org_libreoffice_android_Bootstrap_patch_1libgnustl_1shared(JNIEnv* env,
jobject clazz)
{
(void) env;
(void) clazz;
patch_libgnustl_shared();
}
/* Android's JNI works only to libraries loaded through Java's
* System.loadLibrary(), it seems. Not to functions loaded by a dlopen() call
* in native code. For instance, to call a function in libvcllo.so, we need to
* have its JNI wrapper here, and then call the VCL function from it. Oh well,
* one could say it's clean to have all the Android-specific JNI functions
* here in this file.
*/
// public static native void initVCL();
__attribute__ ((visibility("default")))
void
Java_org_libreoffice_android_Bootstrap_initVCL(JNIEnv* env,
jobject clazz)
{
void (*InitVCLWrapper)(void);
(void) env;
(void) clazz;
/* This obviously should be called only after libvcllo.so has been loaded */
InitVCLWrapper = dlsym(RTLD_DEFAULT, "InitVCLWrapper");
if (InitVCLWrapper == NULL) {
LOGE("InitVCL: InitVCLWrapper not found");
return;
}
(*InitVCLWrapper)();
}
__attribute__ ((visibility("default")))
void
Java_org_libreoffice_android_Bootstrap_setCommandArgs(JNIEnv* env,
jobject clazz,
jobject argv)
{
char **c_argv;
int c_argc;
Dl_info lo_bootstrap_info;
void (*osl_setCommandArgs)(int, char **);
(void) clazz;
if (!get_jni_string_array(env, "setCommandArgs :argv", argv, &c_argc, (const char ***) &c_argv))
return;
if (lo_dladdr(Java_org_libreoffice_android_Bootstrap_setCommandArgs, &lo_bootstrap_info) != 0) {
char *new_argv0 = malloc(strlen(lo_bootstrap_info.dli_fname) + strlen(c_argv[0]));
char *slash;
strcpy(new_argv0, lo_bootstrap_info.dli_fname);
slash = strrchr(new_argv0, '/');
if (slash != NULL)
*slash = '\0';
slash = strrchr(new_argv0, '/');
strcpy(slash+1, c_argv[0]);
free(c_argv[0]);
c_argv[0] = new_argv0;
}
osl_setCommandArgs = dlsym(RTLD_DEFAULT, "osl_setCommandArgs");
if (osl_setCommandArgs == NULL) {
LOGE("setCommandArgs: osl_setCommandArgs not found");
return;
}
(*osl_setCommandArgs)(c_argc, c_argv);
}
// public static native void initUCBhelper();
__attribute__ ((visibility("default")))
void
Java_org_libreoffice_android_Bootstrap_initUCBHelper(JNIEnv* env,
jobject clazz)
{
void (*InitUCBHelper)(void);
(void) env;
(void) clazz;
/* This obviously should be called only after the ucbhelper so has been loaded */
InitUCBHelper = dlsym(RTLD_DEFAULT, "InitUCBHelper");
if (InitUCBHelper == NULL) {
LOGE("InitUCBHelper: InitUCBHelper not found");
return;
}
(*InitUCBHelper)();
}
__attribute__ ((visibility("default")))
JavaVM *
lo_get_javavm(void)
{
return the_java_vm;
}
__attribute__ ((visibility("default")))
struct android_app *
lo_get_app(void)
{
return app;
}
__attribute__ ((visibility("default")))
void
android_main(struct android_app* state)
{
jint nRet;
JNIEnv *pEnv = NULL;
struct engine engine;
Dl_info lo_main_info;
JavaVMAttachArgs aArgs = {
JNI_VERSION_1_2,
"LibreOfficeThread",
NULL
};
fprintf (stderr, "android_main in thread: %d\n", (int)pthread_self());
if (sleep_time != 0) {
LOGI("android_main: Sleeping for %d seconds, start ndk-gdb NOW if that is your intention", sleep_time);
sleep(sleep_time);
}
nRet = (*(*state->activity->vm)->AttachCurrentThreadAsDaemon)(state->activity->vm, &pEnv, &aArgs);
fprintf (stderr, "attach thread returned %d %p\n", nRet, pEnv);
app = state;
memset(&engine, 0, sizeof(engine));
state->userData = &engine;
state->onAppCmd = engine_handle_cmd;
if (lo_dladdr(lo_main, &lo_main_info) != 0) {
lo_main_argv[0] = lo_main_info.dli_fname;
}
patch_libgnustl_shared();
extract_files(UNPACK_TREE);
lo_main(lo_main_argc, lo_main_argv);
fprintf (stderr, "exit android_main\n");
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|