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authormarha <marha@users.sourceforge.net>2010-09-04 16:22:11 +0000
committermarha <marha@users.sourceforge.net>2010-09-04 16:22:11 +0000
commita0fa440dee24b4b39d30c1b04579691d42efba65 (patch)
tree871ba76fa2620c406a09c0529312691d40f37495 /libX11/src/xlibi18n/XlcDL.c
parent28d9e16b745a3127287215888b0b5f12acb255af (diff)
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libx11 git update 4/9/2010
Diffstat (limited to 'libX11/src/xlibi18n/XlcDL.c')
-rw-r--r--libX11/src/xlibi18n/XlcDL.c1304
1 files changed, 652 insertions, 652 deletions
diff --git a/libX11/src/xlibi18n/XlcDL.c b/libX11/src/xlibi18n/XlcDL.c
index 879bc51eb..58e9ade87 100644
--- a/libX11/src/xlibi18n/XlcDL.c
+++ b/libX11/src/xlibi18n/XlcDL.c
@@ -1,652 +1,652 @@
-/*
-Copyright 1985, 1986, 1987, 1991, 1998 The Open Group
-
-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 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 name of The Open Group 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.
-
-
-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.
-
-*/
-/*
- * 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 (including the next
- * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-
-#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], lc_lib_dir[BUFSIZE];
-
- if (lc_name == NULL) return (XLCd)NULL;
-
- if (_XlcLocaleDirName(lc_dir, BUFSIZE, (char *)lc_name) == (char *)NULL)
- return (XLCd)NULL;
- if (_XlcLocaleLibDirName(lc_lib_dir, BUFSIZE, (char *)lc_name) == (char*)NULL)
- return (XLCd)NULL;
-
- resolve_object(lc_dir, lc_name);
- resolve_object(lc_lib_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) && \
- !open_object (objects_list, lc_lib_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 (_XlcLocaleLibDirName(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 (_XlcLocaleLibDirName(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 (_XlcLocaleLibDirName(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;
-}
+/*
+Copyright 1985, 1986, 1987, 1991, 1998 The Open Group
+
+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 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 name of The Open Group 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.
+
+
+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.
+
+*/
+/*
+ * Copyright 2000 Oracle and/or its affiliates. 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 (including the next
+ * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+
+#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], lc_lib_dir[BUFSIZE];
+
+ if (lc_name == NULL) return (XLCd)NULL;
+
+ if (_XlcLocaleDirName(lc_dir, BUFSIZE, (char *)lc_name) == (char *)NULL)
+ return (XLCd)NULL;
+ if (_XlcLocaleLibDirName(lc_lib_dir, BUFSIZE, (char *)lc_name) == (char*)NULL)
+ return (XLCd)NULL;
+
+ resolve_object(lc_dir, lc_name);
+ resolve_object(lc_lib_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) && \
+ !open_object (objects_list, lc_lib_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 (_XlcLocaleLibDirName(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 (_XlcLocaleLibDirName(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 (_XlcLocaleLibDirName(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;
+}