Beispiel #1
0
int
TclpObjStat(
    Tcl_Obj *pathPtr,		/* Path of file to stat */
    Tcl_StatBuf *bufPtr)	/* Filled with results of stat call. */
{
    const char *path = Tcl_FSGetNativePath(pathPtr);

    if (path == NULL) {
	return -1;
    }
    return TclOSstat(path, bufPtr);
}
Beispiel #2
0
static int
NativeMatchType(
    Tcl_Interp *interp,       /* Interpreter to receive errors. */
    const char *nativeEntry,  /* Native path to check. */
    const char *nativeName,   /* Native filename to check. */
    Tcl_GlobTypeData *types)  /* Type description to match against. */
{
    Tcl_StatBuf buf;

    if (types == NULL) {
	/*
	 * Simply check for the file's existence, but do it with lstat, in
	 * case it is a link to a file which doesn't exist (since that case
	 * would not show up if we used 'access' or 'stat')
	 */

	if (TclOSlstat(nativeEntry, &buf) != 0) {
	    return 0;
	}
	return 1;
    }

    if (types->perm != 0) {
	if (TclOSstat(nativeEntry, &buf) != 0) {
	    /*
	     * Either the file has disappeared between the 'readdir' call and
	     * the 'stat' call, or the file is a link to a file which doesn't
	     * exist (which we could ascertain with lstat), or there is some
	     * other strange problem. In all these cases, we define this to
	     * mean the file does not match any defined permission, and
	     * therefore it is not added to the list of files to return.
	     */

	    return 0;
	}

	/*
	 * readonly means that there are NO write permissions (even for user),
	 * but execute is OK for anybody OR that the user immutable flag is
	 * set (where supported).
	 */

	if (((types->perm & TCL_GLOB_PERM_RONLY) &&
#if defined(HAVE_CHFLAGS) && defined(UF_IMMUTABLE)
		!(buf.st_flags & UF_IMMUTABLE) &&
#endif
		(buf.st_mode & (S_IWOTH|S_IWGRP|S_IWUSR))) ||
	    ((types->perm & TCL_GLOB_PERM_R) &&
		(access(nativeEntry, R_OK) != 0)) ||
	    ((types->perm & TCL_GLOB_PERM_W) &&
		(access(nativeEntry, W_OK) != 0)) ||
	    ((types->perm & TCL_GLOB_PERM_X) &&
		(access(nativeEntry, X_OK) != 0))
#ifndef MAC_OSX_TCL
	    || ((types->perm & TCL_GLOB_PERM_HIDDEN) &&
		(*nativeName != '.'))
#endif /* MAC_OSX_TCL */
		) {
	    return 0;
	}
    }
    if (types->type != 0) {
	if (types->perm == 0) {
	    /*
	     * We haven't yet done a stat on the file.
	     */

	    if (TclOSstat(nativeEntry, &buf) != 0) {
		/*
		 * Posix error occurred. The only ok case is if this is a link
		 * to a nonexistent file, and the user did 'glob -l'. So we
		 * check that here:
		 */

		if ((types->type & TCL_GLOB_TYPE_LINK)
			&& (TclOSlstat(nativeEntry, &buf) == 0)
			&& S_ISLNK(buf.st_mode)) {
		    return 1;
		}
		return 0;
	    }
	}

	/*
	 * In order bcdpsfl as in 'find -t'
	 */

	if (    ((types->type & TCL_GLOB_TYPE_BLOCK)&& S_ISBLK(buf.st_mode)) ||
		((types->type & TCL_GLOB_TYPE_CHAR) && S_ISCHR(buf.st_mode)) ||
		((types->type & TCL_GLOB_TYPE_DIR)  && S_ISDIR(buf.st_mode)) ||
		((types->type & TCL_GLOB_TYPE_PIPE) && S_ISFIFO(buf.st_mode))||
#ifdef S_ISSOCK
		((types->type & TCL_GLOB_TYPE_SOCK) && S_ISSOCK(buf.st_mode))||
#endif /* S_ISSOCK */
		((types->type & TCL_GLOB_TYPE_FILE) && S_ISREG(buf.st_mode))) {
	    /*
	     * Do nothing - this file is ok.
	     */
	} else {
#ifdef S_ISLNK
	    if ((types->type & TCL_GLOB_TYPE_LINK)
		    && (TclOSlstat(nativeEntry, &buf) == 0)
		    && S_ISLNK(buf.st_mode)) {
		goto filetypeOK;
	    }
#endif /* S_ISLNK */
	    return 0;
	}
    }
  filetypeOK:

    /*
     * If we're on OSX, we also have to worry about matching the file creator
     * code (if specified). Do that now.
     */

#ifdef MAC_OSX_TCL
    if (types->macType != NULL || types->macCreator != NULL ||
	    (types->perm & TCL_GLOB_PERM_HIDDEN)) {
	int matchResult;

	if (types->perm == 0 && types->type == 0) {
	    /*
	     * We haven't yet done a stat on the file.
	     */

	    if (TclOSstat(nativeEntry, &buf) != 0) {
		return 0;
	    }
	}

	matchResult = TclMacOSXMatchType(interp, nativeEntry, nativeName,
		&buf, types);
	if (matchResult != 1) {
	    return matchResult;
	}
    }
#endif /* MAC_OSX_TCL */

    return 1;
}
Beispiel #3
0
int
TclpMatchInDirectory(
    Tcl_Interp *interp,		/* Interpreter to receive errors. */
    Tcl_Obj *resultPtr,		/* List object to lappend results. */
    Tcl_Obj *pathPtr,		/* Contains path to directory to search. */
    const char *pattern,	/* Pattern to match against. */
    Tcl_GlobTypeData *types)	/* Object containing list of acceptable types.
				 * May be NULL. In particular the directory
				 * flag is very important. */
{
    const char *native;
    Tcl_Obj *fileNamePtr;
    int matchResult = 0;

    if (types != NULL && types->type == TCL_GLOB_TYPE_MOUNT) {
	/*
	 * The native filesystem never adds mounts.
	 */

	return TCL_OK;
    }

    fileNamePtr = Tcl_FSGetTranslatedPath(interp, pathPtr);
    if (fileNamePtr == NULL) {
	return TCL_ERROR;
    }

    if (pattern == NULL || (*pattern == '\0')) {
	/*
	 * Match a file directly.
	 */

	Tcl_Obj *tailPtr;
	const char *nativeTail;

	native = Tcl_FSGetNativePath(pathPtr);
	tailPtr = TclPathPart(interp, pathPtr, TCL_PATH_TAIL);
	nativeTail = Tcl_FSGetNativePath(tailPtr);
	matchResult = NativeMatchType(interp, native, nativeTail, types);
	if (matchResult == 1) {
	    Tcl_ListObjAppendElement(interp, resultPtr, pathPtr);
	}
	Tcl_DecrRefCount(tailPtr);
	Tcl_DecrRefCount(fileNamePtr);
    } else {
	DIR *d;
	Tcl_DirEntry *entryPtr;
	const char *dirName;
	int dirLength, nativeDirLen;
	int matchHidden, matchHiddenPat;
	Tcl_StatBuf statBuf;
	Tcl_DString ds;		/* native encoding of dir */
	Tcl_DString dsOrig;	/* utf-8 encoding of dir */

	Tcl_DStringInit(&dsOrig);
	dirName = TclGetStringFromObj(fileNamePtr, &dirLength);
	Tcl_DStringAppend(&dsOrig, dirName, dirLength);

	/*
	 * Make sure that the directory part of the name really is a
	 * directory. If the directory name is "", use the name "." instead,
	 * because some UNIX systems don't treat "" like "." automatically.
	 * Keep the "" for use in generating file names, otherwise "glob
	 * foo.c" would return "./foo.c".
	 */

	if (dirLength == 0) {
	    dirName = ".";
	} else {
	    dirName = Tcl_DStringValue(&dsOrig);

	    /*
	     * Make sure we have a trailing directory delimiter.
	     */

	    if (dirName[dirLength-1] != '/') {
		dirName = TclDStringAppendLiteral(&dsOrig, "/");
		dirLength++;
	    }
	}

	/*
	 * Now open the directory for reading and iterate over the contents.
	 */

	native = Tcl_UtfToExternalDString(NULL, dirName, -1, &ds);

	if ((TclOSstat(native, &statBuf) != 0)		/* INTL: Native. */
		|| !S_ISDIR(statBuf.st_mode)) {
	    Tcl_DStringFree(&dsOrig);
	    Tcl_DStringFree(&ds);
	    Tcl_DecrRefCount(fileNamePtr);
	    return TCL_OK;
	}

	d = opendir(native);				/* INTL: Native. */
	if (d == NULL) {
	    Tcl_DStringFree(&ds);
	    if (interp != NULL) {
		Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			"couldn't read directory \"%s\": %s",
			Tcl_DStringValue(&dsOrig), Tcl_PosixError(interp)));
	    }
	    Tcl_DStringFree(&dsOrig);
	    Tcl_DecrRefCount(fileNamePtr);
	    return TCL_ERROR;
	}

	nativeDirLen = Tcl_DStringLength(&ds);

	/*
	 * Check to see if -type or the pattern requests hidden files.
	 */

	matchHiddenPat = (pattern[0] == '.')
		|| ((pattern[0] == '\\') && (pattern[1] == '.'));
	matchHidden = matchHiddenPat
		|| (types && (types->perm & TCL_GLOB_PERM_HIDDEN));
	while ((entryPtr = TclOSreaddir(d)) != NULL) {	/* INTL: Native. */
	    Tcl_DString utfDs;
	    const char *utfname;

	    /*
	     * Skip this file if it doesn't agree with the hidden parameters
	     * requested by the user (via -type or pattern).
	     */

	    if (*entryPtr->d_name == '.') {
		if (!matchHidden) {
		    continue;
		}
	    } else {
#ifdef MAC_OSX_TCL
		if (matchHiddenPat) {
		    continue;
		}
		/* Also need to check HFS hidden flag in TclMacOSXMatchType. */
#else
		if (matchHidden) {
		    continue;
		}
#endif
	    }

	    /*
	     * Now check to see if the file matches, according to both type
	     * and pattern. If so, add the file to the result.
	     */

	    utfname = Tcl_ExternalToUtfDString(NULL, entryPtr->d_name, -1,
		    &utfDs);
	    if (Tcl_StringCaseMatch(utfname, pattern, 0)) {
		int typeOk = 1;

		if (types != NULL) {
		    Tcl_DStringSetLength(&ds, nativeDirLen);
		    native = Tcl_DStringAppend(&ds, entryPtr->d_name, -1);
		    matchResult = NativeMatchType(interp, native,
			    entryPtr->d_name, types);
		    typeOk = (matchResult == 1);
		}
		if (typeOk) {
		    Tcl_ListObjAppendElement(interp, resultPtr,
			    TclNewFSPathObj(pathPtr, utfname,
			    Tcl_DStringLength(&utfDs)));
		}
	    }
	    Tcl_DStringFree(&utfDs);
	    if (matchResult < 0) {
		break;
	    }
	}

	closedir(d);
	Tcl_DStringFree(&ds);
	Tcl_DStringFree(&dsOrig);
	Tcl_DecrRefCount(fileNamePtr);
    }
    if (matchResult < 0) {
	return TCL_ERROR;
    }
    return TCL_OK;
}
Beispiel #4
0
void
TclpFindExecutable(
    const char *argv0)		/* The value of the application's argv[0]
				 * (native). */
{
    Tcl_Encoding encoding;
#ifdef __CYGWIN__
    int length;
    char buf[PATH_MAX * 2];
    char name[PATH_MAX * TCL_UTF_MAX + 1];
    GetModuleFileNameW(NULL, buf, PATH_MAX);
    cygwin_conv_path(3, buf, name, PATH_MAX);
    length = strlen(name);
    if ((length > 4) && !strcasecmp(name + length - 4, ".exe")) {
	/* Strip '.exe' part. */
	length -= 4;
    }
    encoding = Tcl_GetEncoding(NULL, NULL);
    TclSetObjNameOfExecutable(
	    Tcl_NewStringObj(name, length), encoding);
#else
    const char *name, *p;
    Tcl_StatBuf statBuf;
    Tcl_DString buffer, nameString, cwd, utfName;

    if (argv0 == NULL) {
	return;
    }
    Tcl_DStringInit(&buffer);

    name = argv0;
    for (p = name; *p != '\0'; p++) {
	if (*p == '/') {
	    /*
	     * The name contains a slash, so use the name directly without
	     * doing a path search.
	     */

	    goto gotName;
	}
    }

    p = getenv("PATH");					/* INTL: Native. */
    if (p == NULL) {
	/*
	 * There's no PATH environment variable; use the default that is used
	 * by sh.
	 */

	p = ":/bin:/usr/bin";
    } else if (*p == '\0') {
	/*
	 * An empty path is equivalent to ".".
	 */

	p = "./";
    }

    /*
     * Search through all the directories named in the PATH variable to see if
     * argv[0] is in one of them. If so, use that file name.
     */

    while (1) {
	while (TclIsSpaceProc(*p)) {
	    p++;
	}
	name = p;
	while ((*p != ':') && (*p != 0)) {
	    p++;
	}
	TclDStringClear(&buffer);
	if (p != name) {
	    Tcl_DStringAppend(&buffer, name, p - name);
	    if (p[-1] != '/') {
		TclDStringAppendLiteral(&buffer, "/");
	    }
	}
	name = Tcl_DStringAppend(&buffer, argv0, -1);

	/*
	 * INTL: The following calls to access() and stat() should not be
	 * converted to Tclp routines because they need to operate on native
	 * strings directly.
	 */

	if ((access(name, X_OK) == 0)			/* INTL: Native. */
		&& (TclOSstat(name, &statBuf) == 0)	/* INTL: Native. */
		&& S_ISREG(statBuf.st_mode)) {
	    goto gotName;
	}
	if (*p == '\0') {
	    break;
	} else if (*(p+1) == 0) {
	    p = "./";
	} else {
	    p++;
	}
    }
    TclSetObjNameOfExecutable(Tcl_NewObj(), NULL);
    goto done;

    /*
     * If the name starts with "/" then just store it
     */

  gotName:
#ifdef DJGPP
    if (name[1] == ':')
#else
    if (name[0] == '/')
#endif
    {
	encoding = Tcl_GetEncoding(NULL, NULL);
	Tcl_ExternalToUtfDString(encoding, name, -1, &utfName);
	TclSetObjNameOfExecutable(
		Tcl_NewStringObj(Tcl_DStringValue(&utfName), -1), encoding);
	Tcl_DStringFree(&utfName);
	goto done;
    }

    if (TclpGetCwd(NULL, &cwd) == NULL) {
	TclSetObjNameOfExecutable(Tcl_NewObj(), NULL);
	goto done;
    }

    /*
     * The name is relative to the current working directory. First strip off
     * a leading "./", if any, then add the full path name of the current
     * working directory.
     */

    if ((name[0] == '.') && (name[1] == '/')) {
	name += 2;
    }

    Tcl_DStringInit(&nameString);
    Tcl_DStringAppend(&nameString, name, -1);

    Tcl_DStringFree(&buffer);
    Tcl_UtfToExternalDString(NULL, Tcl_DStringValue(&cwd),
	    Tcl_DStringLength(&cwd), &buffer);
    if (Tcl_DStringValue(&cwd)[Tcl_DStringLength(&cwd) -1] != '/') {
	TclDStringAppendLiteral(&buffer, "/");
    }
    Tcl_DStringFree(&cwd);
    TclDStringAppendDString(&buffer, &nameString);
    Tcl_DStringFree(&nameString);

    encoding = Tcl_GetEncoding(NULL, NULL);
    Tcl_ExternalToUtfDString(encoding, Tcl_DStringValue(&buffer), -1,
	    &utfName);
    TclSetObjNameOfExecutable(
	    Tcl_NewStringObj(Tcl_DStringValue(&utfName), -1), encoding);
    Tcl_DStringFree(&utfName);

  done:
    Tcl_DStringFree(&buffer);
#endif
}
Beispiel #5
0
void
TclpSetVariables(
    Tcl_Interp *interp)
{
#ifndef NO_UNAME
    struct utsname name;
#endif
    int unameOK;
    Tcl_DString ds;

#ifdef HAVE_COREFOUNDATION
    char tclLibPath[MAXPATHLEN + 1];

#if MAC_OS_X_VERSION_MAX_ALLOWED > 1020
    /*
     * Set msgcat fallback locale to current CFLocale identifier.
     */

    CFLocaleRef localeRef;
    
    if (CFLocaleCopyCurrent != NULL && CFLocaleGetIdentifier != NULL &&
	    (localeRef = CFLocaleCopyCurrent())) {
	CFStringRef locale = CFLocaleGetIdentifier(localeRef);

	if (locale) {
	    char loc[256];

	    if (CFStringGetCString(locale, loc, 256, kCFStringEncodingUTF8)) {
		if (!Tcl_CreateNamespace(interp, "::tcl::mac", NULL, NULL)) {
		    Tcl_ResetResult(interp);
		}
		Tcl_SetVar(interp, "::tcl::mac::locale", loc, TCL_GLOBAL_ONLY);
	    }
	}
	CFRelease(localeRef);
    }
#endif /* MAC_OS_X_VERSION_MAX_ALLOWED > 1020 */

    if (MacOSXGetLibraryPath(interp, MAXPATHLEN, tclLibPath) == TCL_OK) {
	CONST char *str;
	CFBundleRef bundleRef;

	Tcl_SetVar(interp, "tclDefaultLibrary", tclLibPath, TCL_GLOBAL_ONLY);
	Tcl_SetVar(interp, "tcl_pkgPath", tclLibPath, TCL_GLOBAL_ONLY);
	Tcl_SetVar(interp, "tcl_pkgPath", " ",
		TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);

	str = TclGetEnv("DYLD_FRAMEWORK_PATH", &ds);
	if ((str != NULL) && (str[0] != '\0')) {
	    char *p = Tcl_DStringValue(&ds);

	    /*
	     * Convert DYLD_FRAMEWORK_PATH from colon to space separated.
	     */

	    do {
		if (*p == ':') {
		    *p = ' ';
		}
	    } while (*p++);
	    Tcl_SetVar(interp, "tcl_pkgPath", Tcl_DStringValue(&ds),
		    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
	    Tcl_SetVar(interp, "tcl_pkgPath", " ",
		    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
	    Tcl_DStringFree(&ds);
	}
	bundleRef = CFBundleGetMainBundle();
	if (bundleRef) {
	    CFURLRef frameworksURL;
	    Tcl_StatBuf statBuf;

	    frameworksURL = CFBundleCopyPrivateFrameworksURL(bundleRef);
	    if (frameworksURL) {
		if (CFURLGetFileSystemRepresentation(frameworksURL, TRUE,
			(unsigned char*) tclLibPath, MAXPATHLEN) &&
			! TclOSstat(tclLibPath, &statBuf) &&
			S_ISDIR(statBuf.st_mode)) {
		    Tcl_SetVar(interp, "tcl_pkgPath", tclLibPath,
			    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
		    Tcl_SetVar(interp, "tcl_pkgPath", " ",
			    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
		}
		CFRelease(frameworksURL);
	    }
	    frameworksURL = CFBundleCopySharedFrameworksURL(bundleRef);
	    if (frameworksURL) {
		if (CFURLGetFileSystemRepresentation(frameworksURL, TRUE,
			(unsigned char*) tclLibPath, MAXPATHLEN) &&
			! TclOSstat(tclLibPath, &statBuf) &&
			S_ISDIR(statBuf.st_mode)) {
		    Tcl_SetVar(interp, "tcl_pkgPath", tclLibPath,
			    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
		    Tcl_SetVar(interp, "tcl_pkgPath", " ",
			    TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
		}
		CFRelease(frameworksURL);
	    }
	}
	Tcl_SetVar(interp, "tcl_pkgPath", pkgPath,
		TCL_GLOBAL_ONLY | TCL_APPEND_VALUE);
    } else
#endif /* HAVE_COREFOUNDATION */
    {
	Tcl_SetVar(interp, "tcl_pkgPath", pkgPath, TCL_GLOBAL_ONLY);
    }

#ifdef DJGPP
    Tcl_SetVar2(interp, "tcl_platform", "platform", "dos", TCL_GLOBAL_ONLY);
#else
    Tcl_SetVar2(interp, "tcl_platform", "platform", "unix", TCL_GLOBAL_ONLY);
#endif

    unameOK = 0;
#ifndef NO_UNAME
    if (uname(&name) >= 0) {
	CONST char *native;

	unameOK = 1;

	native = Tcl_ExternalToUtfDString(NULL, name.sysname, -1, &ds);
	Tcl_SetVar2(interp, "tcl_platform", "os", native, TCL_GLOBAL_ONLY);
	Tcl_DStringFree(&ds);

	/*
	 * The following code is a special hack to handle differences in the
	 * way version information is returned by uname. On most systems the
	 * full version number is available in name.release. However, under
	 * AIX the major version number is in name.version and the minor
	 * version number is in name.release.
	 */

	if ((strchr(name.release, '.') != NULL)
		|| !isdigit(UCHAR(name.version[0]))) {	/* INTL: digit */
	    Tcl_SetVar2(interp, "tcl_platform", "osVersion", name.release,
		    TCL_GLOBAL_ONLY);
	} else {
#ifdef DJGPP
	    /*
	     * For some obscure reason DJGPP puts major version into
	     * name.release and minor into name.version. As of DJGPP 2.04 this
	     * is documented in djgpp libc.info file.
	     */

	    Tcl_SetVar2(interp, "tcl_platform", "osVersion", name.release,
		    TCL_GLOBAL_ONLY);
	    Tcl_SetVar2(interp, "tcl_platform", "osVersion", ".",
		    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE);
	    Tcl_SetVar2(interp, "tcl_platform", "osVersion", name.version,
		    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE);
#else
	    Tcl_SetVar2(interp, "tcl_platform", "osVersion", name.version,
		    TCL_GLOBAL_ONLY);
	    Tcl_SetVar2(interp, "tcl_platform", "osVersion", ".",
		    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE);
	    Tcl_SetVar2(interp, "tcl_platform", "osVersion", name.release,
		    TCL_GLOBAL_ONLY|TCL_APPEND_VALUE);

#endif /* DJGPP */
	}
	Tcl_SetVar2(interp, "tcl_platform", "machine", name.machine,
		TCL_GLOBAL_ONLY);
    }
#endif /* !NO_UNAME */
    if (!unameOK) {
	Tcl_SetVar2(interp, "tcl_platform", "os", "", TCL_GLOBAL_ONLY);
	Tcl_SetVar2(interp, "tcl_platform", "osVersion", "", TCL_GLOBAL_ONLY);
	Tcl_SetVar2(interp, "tcl_platform", "machine", "", TCL_GLOBAL_ONLY);
    }

    /*
     * Copy the username of the real user (according to getuid()) into
     * tcl_platform(user).
     */

    {
	struct passwd *pwEnt = TclpGetPwUid(getuid());
	const char *user;

	if (pwEnt == NULL) {
	    user = "";
	    Tcl_DStringInit(&ds);	/* ensure cleanliness */
	} else {
	    user = Tcl_ExternalToUtfDString(NULL, pwEnt->pw_name, -1, &ds);
	}

	Tcl_SetVar2(interp, "tcl_platform", "user", user, TCL_GLOBAL_ONLY);
	Tcl_DStringFree(&ds);
    }
}