305
306
307
308
309
310
311
312
313
314
315
316
317
318
|
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
|
+
+
+
+
+
+
|
Tcl_DeleteInterp(interp);
interp = NULL;
pthread_ret = pthread_setspecific(interpKey, interp);
}
if (global_interp_reset_key == -1) {
APPFS_DEBUG("Not creating a new interpreter since we are terminating.");
return(NULL);
}
thread_interp_reset_key = global_interp_reset_key;
if (interp == NULL) {
interp = appfs_create_TclInterp(NULL);
if (interp == NULL) {
|
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
|
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
|
+
+
+
+
|
int i;
if (interp == NULL) {
return(TCL_ERROR);
}
objv = (void *) ckalloc(sizeof(*objv) * objc);
objv[0] = Tcl_NewStringObj(cmd, -1);
Tcl_IncrRefCount(objv[0]);
va_start(argp, cmd);
for (i = 1; i < objc; i++) {
arg = va_arg(argp, const char *);
objv[i] = Tcl_NewStringObj(arg, -1);
Tcl_IncrRefCount(objv[i]);
}
va_end(argp);
retval = Tcl_EvalObjv(interp, objc, objv, 0);
for (i = 0; i < objc; i++) {
|
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
|
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
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
|
}
pathinfo->packaged = 0;
pathinfo->inode = appfs_get_path_inode(path);
attr_value_str = Tcl_GetString(attr_value);
Tcl_DecrRefCount(attr_value);
switch (attr_value_str[0]) {
case 'd': /* directory */
pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
pathinfo->typeinfo.dir.childcount = 0;
Tcl_DictObjGet(interp, attrs_dict, attr_key_childcount, &attr_value);
if (attr_value != NULL) {
tcl_ret = Tcl_GetWideIntFromObj(NULL, attr_value, &attr_value_wide);
if (tcl_ret == TCL_OK) {
pathinfo->typeinfo.dir.childcount = attr_value_wide;
}
Tcl_DecrRefCount(attr_value);
}
break;
case 'f': /* file */
pathinfo->type = APPFS_PATHTYPE_FILE;
pathinfo->typeinfo.file.size = 0;
pathinfo->typeinfo.file.executable = 0;
Tcl_DictObjGet(interp, attrs_dict, attr_key_size, &attr_value);
if (attr_value != NULL) {
tcl_ret = Tcl_GetWideIntFromObj(NULL, attr_value, &attr_value_wide);
if (tcl_ret == TCL_OK) {
pathinfo->typeinfo.file.size = attr_value_wide;
}
Tcl_DecrRefCount(attr_value);
}
Tcl_DictObjGet(interp, attrs_dict, attr_key_perms, &attr_value);
if (attr_value != NULL) {
attr_value_str = Tcl_GetString(attr_value);
if (attr_value_str[0] == 'x') {
pathinfo->typeinfo.file.executable = 1;
}
Tcl_DecrRefCount(attr_value);
}
break;
case 's': /* symlink */
pathinfo->type = APPFS_PATHTYPE_SYMLINK;
pathinfo->typeinfo.symlink.size = 0;
pathinfo->typeinfo.symlink.source[0] = '\0';
Tcl_DictObjGet(interp, attrs_dict, attr_key_source, &attr_value);
if (attr_value != NULL) {
attr_value_str = Tcl_GetStringFromObj(attr_value, &attr_value_int);
if ((attr_value_int + 1) <= sizeof(pathinfo->typeinfo.symlink.source)) {
pathinfo->typeinfo.symlink.size = attr_value_int;
pathinfo->typeinfo.symlink.source[attr_value_int] = '\0';
memcpy(pathinfo->typeinfo.symlink.source, attr_value_str, attr_value_int);
}
Tcl_DecrRefCount(attr_value);
}
break;
case 'F': /* pipe/fifo */
pathinfo->type = APPFS_PATHTYPE_FIFO;
break;
case 'S': /* UNIX domain socket */
pathinfo->type = APPFS_PATHTYPE_SOCKET;
break;
default:
Tcl_DecrRefCount(attrs_dict);
Tcl_Release(interp);
return(-EIO);
}
Tcl_DictObjGet(interp, attrs_dict, attr_key_packaged, &attr_value);
if (attr_value != NULL) {
pathinfo->packaged = 1;
Tcl_DecrRefCount(attr_value);
}
Tcl_DictObjGet(interp, attrs_dict, attr_key_time, &attr_value);
if (attr_value != NULL) {
tcl_ret = Tcl_GetWideIntFromObj(NULL, attr_value, &attr_value_wide);
if (tcl_ret == TCL_OK) {
pathinfo->time = attr_value_wide;
}
Tcl_DecrRefCount(attr_value);
} else {
pathinfo->time = 0;
}
Tcl_Release(interp);
appfs_get_path_info_cache_add(path, fsuid, pathinfo);
|
923
924
925
926
927
928
929
930
931
932
933
934
935
936
|
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
|
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
|
if (real_path == NULL) {
return(NULL);
}
return(strdup(real_path));
}
#ifdef APPFS_EXIT_PATH
static void appfs_exit(void) {
int global_interp_reset_key;
global_interp_reset_key = __sync_fetch_and_add(&interp_reset_key, 0);
__sync_fetch_and_sub(&interp_reset_key, global_interp_reset_key);
while (__sync_sub_and_fetch(&interp_reset_key, 1) >= 0) {
/* Busy Loop */
}
global_interp_reset_key = __sync_fetch_and_add(&interp_reset_key, 0);
if (global_interp_reset_key != -1) {
APPFS_DEBUG("Error sending kill signal to all threads, aborting anyway.");
}
fuse_exit(fuse_get_context()->fuse);
appfs_get_path_info_cache_flush(-1, -1);
return;
}
#endif
static int appfs_fuse_readlink(const char *path, char *buf, size_t size) {
struct appfs_pathinfo pathinfo;
int retval = 0;
APPFS_DEBUG("Enter (path = %s, ...)", path);
|
957
958
959
960
961
962
963
964
965
966
967
968
969
970
|
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
|
+
+
+
+
+
+
+
+
+
+
+
|
static int appfs_fuse_getattr(const char *path, struct stat *stbuf) {
struct appfs_pathinfo pathinfo;
int retval;
retval = 0;
APPFS_DEBUG("Enter (path = %s, ...)", path);
#if (defined(DEBUG) && defined(APPFS_EXIT_PATH)) || defined(APPFS_EXIT_PATH_ENABLE_MAJOR_SECURITY_HOLE)
/*
* This is a major security issue so we cannot let it be compiled into
* any release
*/
if (strcmp(path, "/exit") == 0) {
appfs_exit();
}
#endif
pathinfo.type = APPFS_PATHTYPE_INVALID;
retval = appfs_get_path_info(path, &pathinfo);
if (retval != 0) {
return(retval);
}
|
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
|
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
|
-
-
|
return(0);
}
for (idx = 0; idx < children_count; idx++) {
filler(buf, Tcl_GetString(children[idx]), NULL, 0);
}
Tcl_DecrRefCount(children);
Tcl_Release(interp);
return(0);
}
static int appfs_fuse_open(const char *path, struct fuse_file_info *fi) {
Tcl_Interp *interp;
|