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/*
* Global variables for AppFS caching
*/
pthread_mutex_t appfs_path_info_cache_mutex = PTHREAD_MUTEX_INITIALIZER;
int appfs_path_info_cache_size = 8209;
struct appfs_pathinfo *appfs_path_info_cache = NULL;
#ifndef TCL_THREADS
/*
* Handle unthreaded Tcl
*/
pthread_mutex_t appfs_tcl_big_global_lock = PTHREAD_MUTEX_INITIALIZER;
#define appfs_call_libtcl_enter pthread_mutex_lock(&appfs_tcl_big_global_lock);
#define appfs_call_libtcl_exit pthread_mutex_unlock(&appfs_tcl_big_global_lock);
#else
#define appfs_call_libtcl_enter /**/
#define appfs_call_libtcl_exit /**/
#endif
#define appfs_call_libtcl(x...) appfs_call_libtcl_enter x appfs_call_libtcl_exit
/*
* Global variables for AppFS Tcl Interpreter restarting
*/
int interp_reset_key = 0;
/*
* AppFS Path Type: Describes the type of path a given file is
|
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/*
* Create a new Tcl interpreter and completely initialize it
*/
static Tcl_Interp *appfs_create_TclInterp(char **error_string) {
Tcl_Interp *interp;
int tcl_ret;
const char *tcl_setvar_ret;
APPFS_DEBUG("Creating new Tcl interpreter for TID = 0x%llx", (unsigned long long) pthread_self());
appfs_call_libtcl(
interp = Tcl_CreateInterp();
interp = Tcl_CreateInterp();
)
if (interp == NULL) {
fprintf(stderr, "Unable to create Tcl Interpreter. Aborting.\n");
if (error_string) {
*error_string = strdup("Unable to create Tcl interpreter.");
}
return(NULL);
}
Tcl_Preserve(interp);
appfs_call_libtcl(Tcl_Preserve(interp);)
appfs_call_libtcl(
tcl_ret = Tcl_Init(interp);
tcl_ret = Tcl_Init(interp);
)
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl. Aborting.\n");
appfs_call_libtcl(
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
)
if (error_string) {
appfs_call_libtcl(
*error_string = strdup(Tcl_GetStringResult(interp));
*error_string = strdup(Tcl_GetStringResult(interp));
)
}
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
APPFS_DEBUG("Terminating Tcl interpreter.");
Tcl_DeleteInterp(interp);
appfs_call_libtcl(Tcl_DeleteInterp(interp);)
return(NULL);
}
appfs_call_libtcl(
tcl_ret = Tcl_Eval(interp, "package ifneeded sha1 1.0 [list load {} sha1]");
tcl_ret = Tcl_Eval(interp, "package ifneeded sha1 1.0 [list load {} sha1]");
)
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl SHA1. Aborting.\n");
appfs_call_libtcl(
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
)
if (error_string) {
appfs_call_libtcl(
*error_string = strdup(Tcl_GetStringResult(interp));
*error_string = strdup(Tcl_GetStringResult(interp));
)
}
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
APPFS_DEBUG("Terminating Tcl interpreter.");
Tcl_DeleteInterp(interp);
appfs_call_libtcl(Tcl_DeleteInterp(interp);)
return(NULL);
}
appfs_call_libtcl(
tcl_ret = Tcl_Eval(interp, "package ifneeded appfsd 1.0 [list load {} appfsd]");
tcl_ret = Tcl_Eval(interp, "package ifneeded appfsd 1.0 [list load {} appfsd]");
)
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS Package. Aborting.\n");
appfs_call_libtcl(
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
)
if (error_string) {
appfs_call_libtcl(
*error_string = strdup(Tcl_GetStringResult(interp));
*error_string = strdup(Tcl_GetStringResult(interp));
)
}
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
APPFS_DEBUG("Terminating Tcl interpreter.");
Tcl_DeleteInterp(interp);
appfs_call_libtcl(Tcl_DeleteInterp(interp);)
return(NULL);
}
/*
* Load "pki.tcl" in the same way as appfsd.tcl (see below)
*/
appfs_call_libtcl_enter
tcl_ret = Tcl_Eval(interp, ""
tcl_ret = Tcl_Eval(interp, ""
#include "pki.tcl.h"
"");
"");
appfs_call_libtcl_exit
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl PKI. Aborting.\n");
appfs_call_libtcl(
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
)
if (error_string) {
appfs_call_libtcl(
*error_string = strdup(Tcl_GetStringResult(interp));
*error_string = strdup(Tcl_GetStringResult(interp));
)
}
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
APPFS_DEBUG("Terminating Tcl interpreter.");
Tcl_DeleteInterp(interp);
appfs_call_libtcl(Tcl_DeleteInterp(interp);)
return(NULL);
}
/*
* Load the "appfsd.tcl" script, which is "compiled" into a C header
* so that it does not need to exist on the filesystem and can be
* directly evaluated.
*/
appfs_call_libtcl_enter
tcl_ret = Tcl_Eval(interp, ""
tcl_ret = Tcl_Eval(interp, ""
#include "appfsd.tcl.h"
"");
"");
appfs_call_libtcl_exit
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script. Aborting.\n");
appfs_call_libtcl(
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
)
if (error_string) {
appfs_call_libtcl(
*error_string = strdup(Tcl_GetStringResult(interp));
*error_string = strdup(Tcl_GetStringResult(interp));
)
}
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
APPFS_DEBUG("Terminating Tcl interpreter.");
Tcl_DeleteInterp(interp);
appfs_call_libtcl(Tcl_DeleteInterp(interp);)
return(NULL);
}
/*
* Set global variables from C to Tcl
*/
appfs_call_libtcl(
if (Tcl_SetVar(interp, "::appfs::cachedir", appfs_cachedir, TCL_GLOBAL_ONLY) == NULL) {
tcl_setvar_ret = Tcl_SetVar(interp, "::appfs::cachedir", appfs_cachedir, TCL_GLOBAL_ONLY);
)
if (tcl_setvar_ret == NULL) {
fprintf(stderr, "Unable to set cache directory. This should never fail.\n");
if (error_string) {
appfs_call_libtcl(
*error_string = strdup(Tcl_GetStringResult(interp));
*error_string = strdup(Tcl_GetStringResult(interp));
)
}
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
APPFS_DEBUG("Terminating Tcl interpreter.");
Tcl_DeleteInterp(interp);
appfs_call_libtcl(Tcl_DeleteInterp(interp);)
return(NULL);
}
/*
* Initialize the "appfsd.tcl" environment, which must be done after
* global variables are set.
*/
appfs_call_libtcl(
tcl_ret = Tcl_Eval(interp, "::appfs::init");
tcl_ret = Tcl_Eval(interp, "::appfs::init");
)
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script (::appfs::init). Aborting.\n");
appfs_call_libtcl(
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
)
if (error_string) {
appfs_call_libtcl(
*error_string = strdup(Tcl_GetStringResult(interp));
*error_string = strdup(Tcl_GetStringResult(interp));
)
}
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
APPFS_DEBUG("Terminating Tcl interpreter.");
Tcl_DeleteInterp(interp);
appfs_call_libtcl(Tcl_DeleteInterp(interp);)
return(NULL);
}
/*
* Hide some Tcl commands that we do not care to use and which may
* slow down run-time operations.
*/
appfs_call_libtcl(
Tcl_HideCommand(interp, "auto_load_index", "auto_load_index");
Tcl_HideCommand(interp, "unknown", "unknown");
Tcl_HideCommand(interp, "exit", "exit");
Tcl_HideCommand(interp, "auto_load_index", "auto_load_index");
Tcl_HideCommand(interp, "unknown", "unknown");
Tcl_HideCommand(interp, "exit", "exit");
)
/*
* Release the hold we have on the interpreter so that it may be
* deleted if needed
*/
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
/*
* Return the completely initialized interpreter
*/
return(interp);
}
|
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global_interp_reset_key = __sync_fetch_and_add(&interp_reset_key, 0);
interp = pthread_getspecific(interpKey);
if (interp != NULL && thread_interp_reset_key != global_interp_reset_key) {
APPFS_DEBUG("Terminating old interpreter and restarting due to reset request.");
Tcl_DeleteInterp(interp);
appfs_call_libtcl(Tcl_DeleteInterp(interp);)
interp = NULL;
pthread_ret = pthread_setspecific(interpKey, interp);
}
if (global_interp_reset_key == -1) {
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return(NULL);
}
pthread_ret = pthread_setspecific(interpKey, interp);
if (pthread_ret != 0) {
APPFS_DEBUG("pthread_setspecific() failed. Terminating Tcl interpreter.");
Tcl_DeleteInterp(interp);
appfs_call_libtcl(Tcl_DeleteInterp(interp);)
return(NULL);
}
}
return(interp);
}
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if (interp == NULL) {
return(TCL_ERROR);
}
objv = (void *) ckalloc(sizeof(*objv) * objc);
appfs_call_libtcl(
objv[0] = Tcl_NewStringObj(cmd, -1);
objv[0] = Tcl_NewStringObj(cmd, -1);
Tcl_IncrRefCount(objv[0]);
Tcl_IncrRefCount(objv[0]);
va_start(argp, cmd);
for (i = 1; i < objc; i++) {
arg = va_arg(argp, const char *);
va_start(argp, cmd);
for (i = 1; i < objc; i++) {
arg = va_arg(argp, const char *);
objv[i] = Tcl_NewStringObj(arg, -1);
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++) {
Tcl_DecrRefCount(objv[i]);
}
Tcl_IncrRefCount(objv[i]);
}
va_end(argp);
)
appfs_call_libtcl(
retval = Tcl_EvalObjv(interp, objc, objv, 0);
)
appfs_call_libtcl(
for (i = 0; i < objc; i++) {
Tcl_DecrRefCount(objv[i]);
}
)
ckfree((void *) objv);
if (retval != TCL_OK) {
appfs_call_libtcl(
APPFS_DEBUG("Tcl command failed, ::errorInfo contains: %s\n", Tcl_GetVar(interp, "::errorInfo", 0));
APPFS_DEBUG("Tcl command failed, ::errorInfo contains: %s\n", Tcl_GetVar(interp, "::errorInfo", 0));
)
}
return(retval);
}
/*
* Request all Tcl interpreters restart
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Tcl_Obj *attrs_dict, *attr_value;
const char *attr_value_str;
Tcl_WideInt attr_value_wide;
int attr_value_int;
static __thread Tcl_Obj *attr_key_type = NULL, *attr_key_perms = NULL, *attr_key_size = NULL, *attr_key_time = NULL, *attr_key_source = NULL, *attr_key_childcount = NULL, *attr_key_packaged = NULL;
int cache_ret;
int tcl_ret;
int retval;
uid_t fsuid;
retval = 0;
fsuid = appfs_get_fsuid();
cache_ret = appfs_get_path_info_cache_get(path, fsuid, pathinfo);
if (cache_ret == 0) {
if (pathinfo->type == APPFS_PATHTYPE_DOES_NOT_EXIST) {
return(-ENOENT);
|
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|
}
interp = appfs_TclInterp();
if (interp == NULL) {
return(-EIO);
}
Tcl_Preserve(interp);
appfs_call_libtcl(Tcl_Preserve(interp);)
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::getattr", path);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::getattr(%s) failed.", path);
appfs_call_libtcl(
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
)
pathinfo->type = APPFS_PATHTYPE_DOES_NOT_EXIST;
appfs_get_path_info_cache_add(path, fsuid, pathinfo);
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
return(-ENOENT);
}
if (attr_key_type == NULL) {
appfs_call_libtcl(
attr_key_type = Tcl_NewStringObj("type", -1);
attr_key_perms = Tcl_NewStringObj("perms", -1);
attr_key_size = Tcl_NewStringObj("size", -1);
attr_key_time = Tcl_NewStringObj("time", -1);
attr_key_source = Tcl_NewStringObj("source", -1);
attr_key_childcount = Tcl_NewStringObj("childcount", -1);
attr_key_packaged = Tcl_NewStringObj("packaged", -1);
}
attrs_dict = Tcl_GetObjResult(interp);
tcl_ret = Tcl_DictObjGet(interp, attrs_dict, attr_key_type, &attr_value);
attr_key_type = Tcl_NewStringObj("type", -1);
attr_key_perms = Tcl_NewStringObj("perms", -1);
attr_key_size = Tcl_NewStringObj("size", -1);
attr_key_time = Tcl_NewStringObj("time", -1);
attr_key_source = Tcl_NewStringObj("source", -1);
attr_key_childcount = Tcl_NewStringObj("childcount", -1);
attr_key_packaged = Tcl_NewStringObj("packaged", -1);
Tcl_IncrRefCount(attr_key_type);
Tcl_IncrRefCount(attr_key_perms);
Tcl_IncrRefCount(attr_key_size);
Tcl_IncrRefCount(attr_key_time);
Tcl_IncrRefCount(attr_key_source);
Tcl_IncrRefCount(attr_key_childcount);
Tcl_IncrRefCount(attr_key_packaged);
)
}
appfs_call_libtcl(
attrs_dict = Tcl_GetObjResult(interp);
tcl_ret = Tcl_DictObjGet(interp, attrs_dict, attr_key_type, &attr_value);
)
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("[dict get \"type\"] failed");
appfs_call_libtcl(
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
Tcl_Release(interp);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
)
appfs_call_libtcl(Tcl_Release(interp);)
return(-EIO);
}
if (attr_value == NULL) {
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
return(-EIO);
}
pathinfo->packaged = 0;
pathinfo->inode = appfs_get_path_inode(path);
appfs_call_libtcl(
attr_value_str = Tcl_GetString(attr_value);
attr_value_str = Tcl_GetString(attr_value);
switch (attr_value_str[0]) {
case 'd': /* directory */
pathinfo->type = APPFS_PATHTYPE_DIRECTORY;
pathinfo->typeinfo.dir.childcount = 0;
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_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;
}
}
break;
case 'f': /* file */
pathinfo->type = APPFS_PATHTYPE_FILE;
pathinfo->typeinfo.file.size = 0;
pathinfo->typeinfo.file.executable = 0;
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_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_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;
}
}
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_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;
}
}
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);
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';
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);
}
}
break;
case 'F': /* pipe/fifo */
pathinfo->type = APPFS_PATHTYPE_FIFO;
break;
case 'S': /* UNIX domain socket */
pathinfo->type = APPFS_PATHTYPE_SOCKET;
break;
default:
memcpy(pathinfo->typeinfo.symlink.source, attr_value_str, attr_value_int);
}
}
break;
case 'F': /* pipe/fifo */
pathinfo->type = APPFS_PATHTYPE_FIFO;
break;
case 'S': /* UNIX domain socket */
pathinfo->type = APPFS_PATHTYPE_SOCKET;
break;
default:
Tcl_Release(interp);
return(-EIO);
}
Tcl_DictObjGet(interp, attrs_dict, attr_key_packaged, &attr_value);
if (attr_value != NULL) {
pathinfo->packaged = 1;
}
Tcl_DictObjGet(interp, attrs_dict, attr_key_packaged, &attr_value);
if (attr_value != NULL) {
pathinfo->packaged = 1;
}
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;
}
} else {
pathinfo->time = 0;
}
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;
}
} else {
pathinfo->time = 0;
}
Tcl_Release(interp);
appfs_get_path_info_cache_add(path, fsuid, pathinfo);
return(0);
Tcl_Release(interp);
)
if (retval == 0) {
appfs_get_path_info_cache_add(path, fsuid, pathinfo);
}
return(retval);
}
static char *appfs_prepare_to_create(const char *path) {
Tcl_Interp *interp;
const char *real_path;
int tcl_ret;
appfs_get_path_info_cache_flush(appfs_get_fsuid(), -1);
interp = appfs_TclInterp();
if (interp == NULL) {
return(NULL);
}
Tcl_Preserve(interp);
appfs_call_libtcl(Tcl_Preserve(interp);)
appfs_call_libtcl(
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::prepare_to_create", path);
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::prepare_to_create", path);
)
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::prepare_to_create(%s) failed.", path);
appfs_call_libtcl(
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
Tcl_Release(interp);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
)
appfs_call_libtcl(Tcl_Release(interp);)
return(NULL);
}
appfs_call_libtcl(
real_path = Tcl_GetStringResult(interp);
Tcl_Release(interp);
real_path = Tcl_GetStringResult(interp);
)
appfs_call_libtcl(Tcl_Release(interp);)
if (real_path == NULL) {
return(NULL);
}
return(strdup(real_path));
}
static char *appfs_localpath(const char *path) {
Tcl_Interp *interp;
const char *real_path;
int tcl_ret;
interp = appfs_TclInterp();
if (interp == NULL) {
return(NULL);
}
Tcl_Preserve(interp);
appfs_call_libtcl(Tcl_Preserve(interp);)
appfs_call_libtcl(
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::localpath", path);
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::localpath", path);
)
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::localpath(%s) failed.", path);
appfs_call_libtcl(
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
)
return(NULL);
}
appfs_call_libtcl(
real_path = Tcl_GetStringResult(interp);
Tcl_Release(interp);
real_path = Tcl_GetStringResult(interp);
)
appfs_call_libtcl(Tcl_Release(interp);)
if (real_path == NULL) {
return(NULL);
}
return(strdup(real_path));
}
|
| ︙ | | |
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|
APPFS_DEBUG("Enter (path = %s, ...)", path);
interp = appfs_TclInterp();
if (interp == NULL) {
return(0);
}
Tcl_Preserve(interp);
appfs_call_libtcl(Tcl_Preserve(interp);)
filler(buf, ".", NULL, 0);
filler(buf, "..", NULL, 0);
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::getchildren", path);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::getchildren(%s) failed.", path);
appfs_call_libtcl(
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
Tcl_Release(interp);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
)
appfs_call_libtcl(Tcl_Release(interp);)
return(0);
}
appfs_call_libtcl(
tcl_ret = Tcl_ListObjGetElements(interp, Tcl_GetObjResult(interp), &children_count, &children);
tcl_ret = Tcl_ListObjGetElements(interp, Tcl_GetObjResult(interp), &children_count, &children);
)
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("Parsing list of children on path %s failed.", path);
appfs_call_libtcl(
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
Tcl_Release(interp);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
)
appfs_call_libtcl(Tcl_Release(interp);)
return(0);
}
for (idx = 0; idx < children_count; idx++) {
appfs_call_libtcl(
filler(buf, Tcl_GetString(children[idx]), NULL, 0);
filler(buf, Tcl_GetString(children[idx]), NULL, 0);
)
}
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
return(0);
}
static int appfs_fuse_open(const char *path, struct fuse_file_info *fi) {
Tcl_Interp *interp;
struct appfs_pathinfo pathinfo;
|
| ︙ | | |
1144
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|
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|
}
interp = appfs_TclInterp();
if (interp == NULL) {
return(-EIO);
}
Tcl_Preserve(interp);
appfs_call_libtcl(Tcl_Preserve(interp);)
tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::openpath", path, mode);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::openpath(%s, %s) failed.", path, mode);
appfs_call_libtcl(
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
Tcl_Release(interp);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
)
appfs_call_libtcl(Tcl_Release(interp);)
return(-EIO);
}
appfs_call_libtcl(
real_path = Tcl_GetStringResult(interp);
Tcl_Release(interp);
real_path = Tcl_GetStringResult(interp);
)
appfs_call_libtcl(Tcl_Release(interp);)
if (real_path == NULL) {
return(-EIO);
}
APPFS_DEBUG("Translated request to open %s to opening %s (mode = \"%s\")", path, real_path, mode);
|
| ︙ | | |
1338
1339
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|
+
-
-
-
+
+
+
+
-
+
|
if (interp == NULL) {
return(-EIO);
}
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::unlinkpath", path);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::unlinkpath(%s) failed.", path);
appfs_call_libtcl(
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
Tcl_Release(interp);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
)
appfs_call_libtcl(Tcl_Release(interp);)
return(-EIO);
}
Tcl_Release(interp);
appfs_call_libtcl(Tcl_Release(interp);)
return(0);
}
static int appfs_fuse_mkdir(const char *path, mode_t mode) {
char *real_path;
int mkdir_ret;
|
| ︙ | | |
1392
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|
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|
appfs_get_path_info_cache_rm(path, appfs_get_fsuid());
interp = appfs_TclInterp();
if (interp == NULL) {
return(-EIO);
}
Tcl_Preserve(interp);
appfs_call_libtcl(Tcl_Preserve(interp);)
tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::openpath", path, "write");
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("::appfs::openpath(%s, %s) failed.", path, "write");
appfs_call_libtcl(
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
Tcl_Release(interp);
APPFS_DEBUG("Tcl Error is: %s", Tcl_GetStringResult(interp));
)
appfs_call_libtcl(Tcl_Release(interp);)
return(-EIO);
}
appfs_call_libtcl(
real_path = Tcl_GetStringResult(interp);
Tcl_Release(interp);
real_path = Tcl_GetStringResult(interp);
)
appfs_call_libtcl(Tcl_Release(interp);)
if (real_path == NULL) {
return(-EIO);
}
appfs_simulate_user_fs_enter();
|
| ︙ | | |
1508
1509
1510
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1514
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|
1626
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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
|
+
+
+
+
-
+
+
+
|
return(TCL_ERROR);
}
fsuid = appfs_get_fsuid();
if (fsuid == last_fsuid && last_homedir_obj != NULL) {
homedir_obj = last_homedir_obj;
Tcl_IncrRefCount(homedir_obj);
} else {
homedir = appfs_get_homedir(appfs_get_fsuid());
if (homedir == NULL) {
return(TCL_ERROR);
}
homedir_obj = Tcl_NewStringObj(homedir, -1);
free(homedir);
Tcl_IncrRefCount(homedir_obj);
if (last_homedir_obj != NULL) {
Tcl_DecrRefCount(last_homedir_obj);
}
last_homedir_obj = homedir_obj;
last_fsuid = fsuid;
Tcl_IncrRefCount(last_homedir_obj);
Tcl_IncrRefCount(homedir_obj);
}
Tcl_SetObjResult(interp, homedir_obj);
Tcl_DecrRefCount(homedir_obj);
return(TCL_OK);
}
static int tcl_appfs_simulate_user_fs_enter(ClientData cd, Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]) {
appfs_simulate_user_fs_enter();
|
| ︙ | | |
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
|
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
|
+
-
+
+
|
return;
}
interp = _interp;
APPFS_DEBUG("Terminating interpreter due to thread termination");
appfs_call_libtcl(
Tcl_DeleteInterp(interp);
Tcl_DeleteInterp(interp);
)
return;
}
/*
* FUSE operations structure
*/
|
| ︙ | | |
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
|
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
|
+
+
|
}
fprintf(stderr, "Unable to initialize Tcl interpreter for AppFSd:\n");
fprintf(stderr, "%s\n", test_interp_error);
return(1);
}
Tcl_DeleteInterp(test_interp);
Tcl_FinalizeNotifier(NULL);
/*
* Register a signal handler for hot-restart requests
*/
signal_ret = signal(SIGHUP, appfs_signal_handler);
if (signal_ret == SIG_ERR) {
|
| ︙ | | |