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-rw-r--r--nx-X11/lib/X11/XlcDL.c632
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diff --git a/nx-X11/lib/X11/XlcDL.c b/nx-X11/lib/X11/XlcDL.c
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+++ b/nx-X11/lib/X11/XlcDL.c
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+/*
+Copyright 1985, 1986, 1987, 1991, 1998 The Open Group
+
+Portions Copyright 2000 Sun Microsystems, Inc. All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions: The above copyright notice and this
+permission notice shall be included in all copies or substantial
+portions of the Software.
+
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP OR SUN MICROSYSTEMS, INC. BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
+THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE EVEN IF
+ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES.
+
+
+Except as contained in this notice, the names of The Open Group and/or
+Sun Microsystems, Inc. shall not be used in advertising or otherwise to
+promote the sale, use or other dealings in this Software without prior
+written authorization from The Open Group and/or Sun Microsystems,
+Inc., as applicable.
+
+
+X Window System is a trademark of The Open Group
+
+OSF/1, OSF/Motif and Motif are registered trademarks, and OSF, the OSF
+logo, LBX, X Window System, and Xinerama are trademarks of the Open
+Group. All other trademarks and registered trademarks mentioned herein
+are the property of their respective owners. No right, title or
+interest in or to any trademark, service mark, logo or trade name of
+Sun Microsystems, Inc. or its licensors is granted.
+
+*/
+/* $XFree86: xc/lib/X11/XlcDL.c,v 1.12 2003/04/13 19:22:19 dawes Exp $ */
+/* $XdotOrg: xc/lib/X11/XlcDL.c,v 1.6 2005/07/11 15:24:32 lars Exp $ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#else
+# if defined(hpux)
+# define HAVE_DL_H
+# else
+# define HAVE_DLFCN_H
+# endif
+#endif
+
+#include <stdio.h>
+
+#ifdef HAVE_DL_H
+#include <dl.h>
+#endif
+
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+#include <ctype.h>
+
+#include "Xlibint.h"
+#include "XlcPublic.h"
+#include "XlcPubI.h"
+
+#if defined(_LP64) && defined(__sparcv9)
+# define _MACH64_NAME "sparcv9"
+#else
+# undef _MACH64_NAME
+#endif /* defined(_LP64) && defined(__sparcv9) */
+
+#ifdef _MACH64_NAME
+# define _MACH64_NAME_LEN (sizeof (_MACH64_NAME) - 1)
+#endif
+
+#define XI18N_DLREL 2
+
+#define iscomment(ch) ((ch) == '\0' || (ch) == '#')
+
+typedef enum {
+ XLC_OBJECT,
+ XIM_OBJECT,
+ XOM_OBJECT
+} XI18NDLType;
+
+typedef struct {
+ XI18NDLType type;
+ int locale_name_len;
+ char *locale_name;
+ char *dl_name;
+ char *open;
+ char *im_register;
+ char *im_unregister;
+ int dl_release;
+ unsigned int refcount;
+#if defined(hpux)
+ shl_t dl_module;
+#else
+ void *dl_module;
+#endif
+} XI18NObjectsListRec, *XI18NObjectsList;
+
+#define OBJECT_INIT_LEN 8
+#define OBJECT_INC_LEN 4
+static int lc_len = 0;
+static XI18NObjectsListRec *xi18n_objects_list = NULL;
+static int lc_count = 0;
+
+static int
+parse_line(char *line, char **argv, int argsize)
+{
+ int argc = 0;
+ char *p = line;
+
+ while (argc < argsize) {
+ while (isspace(*p)) {
+ ++p;
+ }
+ if (iscomment(*p)){
+ break;
+ }
+ argv[argc++] = p;
+ while (!isspace(*p)) {
+ ++p;
+ }
+ if (iscomment(*p)) {
+ break;
+ }
+ *p++ = '\0';
+ }
+ return argc;
+}
+
+static char *
+strdup_with_underscore(const char *symbol)
+{
+ char *result;
+
+ if ((result = malloc(strlen(symbol) + 2)) == NULL)
+ return NULL;
+ result[0] = '_';
+ strcpy(result + 1, symbol);
+ return result;
+}
+
+#ifndef hpux
+static void *
+try_both_dlsym (void *handle, char *name)
+{
+ void *ret;
+
+ ret = dlsym (handle, name);
+ if (!ret)
+ {
+ name = strdup_with_underscore (name);
+ if (name)
+ {
+ ret = dlsym (handle, name);
+ free (name);
+ }
+ }
+ return ret;
+}
+#endif
+
+static void
+resolve_object(char *path, const char *lc_name)
+{
+ char filename[BUFSIZ];
+ FILE *fp;
+ char buf[BUFSIZ];
+
+ if (lc_len == 0) { /* True only for the 1st time */
+ lc_len = OBJECT_INIT_LEN;
+ xi18n_objects_list = (XI18NObjectsList)
+ Xmalloc(sizeof(XI18NObjectsListRec) * lc_len);
+ if (!xi18n_objects_list) return;
+ }
+/*
+1266793
+Limit the length of path to prevent stack buffer corruption.
+ sprintf(filename, "%s/%s", path, "XI18N_OBJS");
+*/
+ sprintf(filename, "%.*s/%s", BUFSIZ - 12, path, "XI18N_OBJS");
+ fp = fopen(filename, "r");
+ if (fp == (FILE *)NULL){
+ return;
+ }
+
+ while (fgets(buf, BUFSIZ, fp) != NULL){
+ char *p = buf;
+ int n;
+ char *args[6];
+ while (isspace(*p)){
+ ++p;
+ }
+ if (iscomment(*p)){
+ continue;
+ }
+
+ if (lc_count == lc_len) {
+ lc_len += OBJECT_INC_LEN;
+ xi18n_objects_list = (XI18NObjectsList)
+ Xrealloc(xi18n_objects_list,
+ sizeof(XI18NObjectsListRec) * lc_len);
+ if (!xi18n_objects_list) return;
+ }
+ n = parse_line(p, args, 6);
+
+ if (n == 3 || n == 5) {
+ if (!strcmp(args[0], "XLC")){
+ xi18n_objects_list[lc_count].type = XLC_OBJECT;
+ } else if (!strcmp(args[0], "XOM")){
+ xi18n_objects_list[lc_count].type = XOM_OBJECT;
+ } else if (!strcmp(args[0], "XIM")){
+ xi18n_objects_list[lc_count].type = XIM_OBJECT;
+ }
+ xi18n_objects_list[lc_count].dl_name = strdup(args[1]);
+ xi18n_objects_list[lc_count].open = strdup(args[2]);
+ xi18n_objects_list[lc_count].dl_release = XI18N_DLREL;
+ xi18n_objects_list[lc_count].locale_name = strdup(lc_name);
+ xi18n_objects_list[lc_count].refcount = 0;
+ xi18n_objects_list[lc_count].dl_module = (void*)NULL;
+ if (n == 5) {
+ xi18n_objects_list[lc_count].im_register = strdup(args[3]);
+ xi18n_objects_list[lc_count].im_unregister = strdup(args[4]);
+ } else {
+ xi18n_objects_list[lc_count].im_register = NULL;
+ xi18n_objects_list[lc_count].im_unregister = NULL;
+ }
+ lc_count++;
+ }
+ }
+ fclose(fp);
+}
+
+static char*
+__lc_path(const char *dl_name, const char *lc_dir)
+{
+ char *path;
+ size_t len;
+
+ /*
+ * reject this for possible security issue
+ */
+ if (strstr (dl_name, "../"))
+ return NULL;
+
+#if defined (_LP64) && defined (_MACH64_NAME)
+ len = (lc_dir ? strlen(lc_dir) : 0 ) +
+ (dl_name ? strlen(dl_name) : 0) + _MACH64_NAME_LEN + 10;
+ path = Xmalloc(len + 1);
+
+ if (strchr(dl_name, '/') != NULL) {
+ char *tmp = strdup(dl_name);
+ char *dl_dir, *dl_file;
+ char *slash_p;
+ slash_p = strchr(tmp, '/');
+ *slash_p = '\0';
+ dl_dir = tmp;
+ dl_file = ++slash_p;
+
+ slash_p = strrchr(lc_dir, '/');
+ *slash_p = '\0';
+ strcpy(path, lc_dir); strcat(path, "/");
+ strcat(path, dl_dir); strcat(path, "/");
+ strcat(path, _MACH64_NAME); strcat(path, "/");
+ strcat(path, dl_file); strcat(path, ".so.2");
+
+ *slash_p = '/';
+ Xfree(tmp);
+ } else {
+ strcpy(path, lc_dir); strcat(path, "/");
+ strcat(path, _MACH64_NAME); strcat(path, "/");
+ strcat(path, dl_name); strcat(path, ".so.2");
+ }
+#else
+ len = (lc_dir ? strlen(lc_dir) : 0 ) +
+ (dl_name ? strlen(dl_name) : 0) + 10;
+#if defined POSTLOCALELIBDIR
+ len += (strlen(POSTLOCALELIBDIR) + 1);
+#endif
+ path = Xmalloc(len + 1);
+
+ if (strchr(dl_name, '/') != NULL) {
+ char *slash_p;
+ slash_p = strrchr(lc_dir, '/');
+ *slash_p = '\0';
+ strcpy(path, lc_dir); strcat(path, "/");
+#if defined POSTLOCALELIBDIR
+ strcat(path, POSTLOCALELIBDIR); strcat(path, "/");
+#endif
+ strcat(path, dl_name); strcat(path, ".so.2");
+ *slash_p = '/';
+ } else {
+ strcpy(path, lc_dir); strcat(path, "/");
+#if defined POSTLOCALELIBDIR
+ strcat(path, POSTLOCALELIBDIR); strcat(path, "/");
+#endif
+ strcat(path, dl_name); strcat(path, ".so.2");
+ }
+#endif
+ return path;
+}
+
+/* We reference count dlopen() and dlclose() of modules; unfortunately,
+ * since XCloseIM, XCloseOM, XlcClose aren't wrapped, but directly
+ * call the close method of the object, we leak a reference count every
+ * time we open then close a module. Fixing this would require
+ * either creating proxy objects or hooks for close_im/close_om
+ * in XLCd
+ */
+static Bool
+open_object(
+ XI18NObjectsList object,
+ char *lc_dir)
+{
+ char *path;
+
+ if (object->refcount == 0) {
+ path = __lc_path(object->dl_name, lc_dir);
+ if (!path)
+ return False;
+#if defined(hpux)
+ object->dl_module = shl_load(path, BIND_DEFERRED, 0L);
+#else
+ object->dl_module = dlopen(path, RTLD_LAZY);
+#endif
+ Xfree(path);
+
+ if (!object->dl_module)
+ return False;
+ }
+
+ object->refcount++;
+ return True;
+}
+
+static void *
+fetch_symbol(
+ XI18NObjectsList object,
+ char *symbol)
+{
+ void *result = NULL;
+#if defined(hpux)
+ int getsyms_cnt, i;
+ struct shl_symbol *symbols;
+#endif
+
+ if (symbol == NULL)
+ return NULL;
+
+#if defined(hpux)
+ getsyms_cnt = shl_getsymbols(object->dl_module, TYPE_PROCEDURE,
+ EXPORT_SYMBOLS, malloc, &symbols);
+
+ for(i=0; i<getsyms_cnt; i++) {
+ if(!strcmp(symbols[i].name, symbol)) {
+ result = symbols[i].value;
+ break;
+ }
+ }
+
+ if(getsyms_cnt > 0) {
+ free(symbols);
+ }
+#else
+ result = try_both_dlsym(object->dl_module, symbol);
+#endif
+
+ return result;
+}
+
+static void
+close_object(XI18NObjectsList object)
+{
+ object->refcount--;
+ if (object->refcount == 0)
+ {
+#if defined(hpux)
+ shl_unload(object->dl_module);
+#else
+ dlclose(object->dl_module);
+#endif
+ object->dl_module = NULL;
+ }
+}
+
+
+typedef XLCd (*dynamicLoadProc)(const char *);
+
+XLCd
+_XlcDynamicLoad(const char *lc_name)
+{
+ XLCd lcd = (XLCd)NULL;
+ dynamicLoadProc lc_loader = (dynamicLoadProc)NULL;
+ int count;
+ XI18NObjectsList objects_list;
+ char lc_dir[BUFSIZE];
+
+ if (lc_name == NULL) return (XLCd)NULL;
+
+ if (_XlcLocaleDirName(lc_dir, BUFSIZE, (char *)lc_name) == (char*)NULL)
+ return (XLCd)NULL;
+
+ resolve_object(lc_dir, lc_name);
+
+ objects_list = xi18n_objects_list;
+ count = lc_count;
+ for (; count-- > 0; objects_list++) {
+ if (objects_list->type != XLC_OBJECT ||
+ strcmp(objects_list->locale_name, lc_name)) continue;
+ if (!open_object (objects_list, lc_dir))
+ continue;
+
+ lc_loader = (dynamicLoadProc)fetch_symbol (objects_list, objects_list->open);
+ if (!lc_loader) continue;
+ lcd = (*lc_loader)(lc_name);
+ if (lcd != (XLCd)NULL) {
+ break;
+ }
+
+ close_object (objects_list);
+ }
+ return (XLCd)lcd;
+}
+
+
+typedef XIM (*dynamicOpenProcp)(XLCd, Display *, XrmDatabase, char *, char *);
+
+static XIM
+_XDynamicOpenIM(XLCd lcd, Display *display, XrmDatabase rdb,
+ char *res_name, char *res_class)
+{
+ XIM im = (XIM)NULL;
+ char lc_dir[BUFSIZE];
+ char *lc_name;
+ dynamicOpenProcp im_openIM = (dynamicOpenProcp)NULL;
+ int count;
+ XI18NObjectsList objects_list = xi18n_objects_list;
+
+ lc_name = lcd->core->name;
+
+ if (_XlcLocaleDirName(lc_dir, BUFSIZE, lc_name) == NULL) return (XIM)0;
+
+ count = lc_count;
+ for (; count-- > 0; objects_list++) {
+ if (objects_list->type != XIM_OBJECT ||
+ strcmp(objects_list->locale_name, lc_name)) continue;
+
+ if (!open_object (objects_list, lc_dir))
+ continue;
+
+ im_openIM = (dynamicOpenProcp)fetch_symbol(objects_list, objects_list->open);
+ if (!im_openIM) continue;
+ im = (*im_openIM)(lcd, display, rdb, res_name, res_class);
+ if (im != (XIM)NULL) {
+ break;
+ }
+
+ close_object (objects_list);
+ }
+ return (XIM)im;
+}
+
+typedef Bool (*dynamicRegisterCBProcp)(
+ XLCd, Display *, XrmDatabase, char *, char *, XIDProc, XPointer);
+
+static Bool
+_XDynamicRegisterIMInstantiateCallback(
+ XLCd lcd,
+ Display *display,
+ XrmDatabase rdb,
+ char *res_name,
+ char *res_class,
+ XIDProc callback,
+ XPointer client_data)
+{
+ char lc_dir[BUFSIZE];
+ char *lc_name;
+ dynamicRegisterCBProcp im_registerIM = (dynamicRegisterCBProcp)NULL;
+ Bool ret_flag = False;
+ int count;
+ XI18NObjectsList objects_list = xi18n_objects_list;
+#if defined(hpux)
+ int getsyms_cnt, i;
+ struct shl_symbol *symbols;
+#endif
+
+ lc_name = lcd->core->name;
+
+ if (_XlcLocaleDirName(lc_dir, BUFSIZE, lc_name) == NULL) return False;
+
+ count = lc_count;
+ for (; count-- > 0; objects_list++) {
+ if (objects_list->type != XIM_OBJECT ||
+ strcmp(objects_list->locale_name, lc_name)) continue;
+
+ if (!open_object (objects_list, lc_dir))
+ continue;
+ im_registerIM = (dynamicRegisterCBProcp)fetch_symbol(objects_list,
+ objects_list->im_register);
+ if (!im_registerIM) continue;
+ ret_flag = (*im_registerIM)(lcd, display, rdb,
+ res_name, res_class,
+ callback, client_data);
+ if (ret_flag) break;
+
+ close_object (objects_list);
+ }
+ return (Bool)ret_flag;
+}
+
+typedef Bool (*dynamicUnregisterProcp)(
+ XLCd, Display *, XrmDatabase, char *, char *, XIDProc, XPointer);
+
+static Bool
+_XDynamicUnRegisterIMInstantiateCallback(
+ XLCd lcd,
+ Display *display,
+ XrmDatabase rdb,
+ char *res_name,
+ char *res_class,
+ XIDProc callback,
+ XPointer client_data)
+{
+ char lc_dir[BUFSIZE];
+ char *lc_name;
+ dynamicUnregisterProcp im_unregisterIM = (dynamicUnregisterProcp)NULL;
+ Bool ret_flag = False;
+ int count;
+ XI18NObjectsList objects_list = xi18n_objects_list;
+#if defined(hpux)
+ int getsyms_cnt, i;
+ struct shl_symbol *symbols;
+#endif
+
+ lc_name = lcd->core->name;
+ if (_XlcLocaleDirName(lc_dir, BUFSIZE, lc_name) == NULL) return False;
+
+ count = lc_count;
+ for (; count-- > 0; objects_list++) {
+ if (objects_list->type != XIM_OBJECT ||
+ strcmp(objects_list->locale_name, lc_name)) continue;
+
+ if (!objects_list->refcount) /* Must already be opened */
+ continue;
+
+ im_unregisterIM = (dynamicUnregisterProcp)fetch_symbol(objects_list,
+ objects_list->im_unregister);
+
+ if (!im_unregisterIM) continue;
+ ret_flag = (*im_unregisterIM)(lcd, display, rdb,
+ res_name, res_class,
+ callback, client_data);
+ if (ret_flag) {
+ close_object (objects_list); /* opened in RegisterIMInstantiateCallback */
+ break;
+ }
+ }
+ return (Bool)ret_flag;
+}
+
+Bool
+_XInitDynamicIM(XLCd lcd)
+{
+ if(lcd == (XLCd)NULL)
+ return False;
+ lcd->methods->open_im = _XDynamicOpenIM;
+ lcd->methods->register_callback = _XDynamicRegisterIMInstantiateCallback;
+ lcd->methods->unregister_callback = _XDynamicUnRegisterIMInstantiateCallback;
+ return True;
+}
+
+
+typedef XOM (*dynamicIOpenProcp)(
+ XLCd, Display *, XrmDatabase, _Xconst char *, _Xconst char *);
+
+static XOM
+_XDynamicOpenOM(XLCd lcd, Display *display, XrmDatabase rdb,
+ _Xconst char *res_name, _Xconst char *res_class)
+{
+ XOM om = (XOM)NULL;
+ int count;
+ char lc_dir[BUFSIZE];
+ char *lc_name;
+ dynamicIOpenProcp om_openOM = (dynamicIOpenProcp)NULL;
+ XI18NObjectsList objects_list = xi18n_objects_list;
+#if defined(hpux)
+ int getsyms_cnt, i;
+ struct shl_symbol *symbols;
+#endif
+
+ lc_name = lcd->core->name;
+
+ if (_XlcLocaleDirName(lc_dir, BUFSIZE, lc_name) == NULL) return (XOM)0;
+
+ count = lc_count;
+ for (; count-- > 0; objects_list++) {
+ if (objects_list->type != XOM_OBJECT ||
+ strcmp(objects_list->locale_name, lc_name)) continue;
+ if (!open_object (objects_list, lc_dir))
+ continue;
+
+ om_openOM = (dynamicIOpenProcp)fetch_symbol(objects_list, objects_list->open);
+ if (!om_openOM) continue;
+ om = (*om_openOM)(lcd, display, rdb, res_name, res_class);
+ if (om != (XOM)NULL) {
+ break;
+ }
+ close_object(objects_list);
+ }
+ return (XOM)om;
+}
+
+Bool
+_XInitDynamicOM(XLCd lcd)
+{
+ if(lcd == (XLCd)NULL)
+ return False;
+
+ lcd->methods->open_om = _XDynamicOpenOM;
+
+ return True;
+}
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