mirror of
https://github.com/samba-team/samba.git
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Add support for the new modules system to lib/iconv.c (merge from HEAD)
This commit is contained in:
Jelmer Vernooij
parent
7ef7910004
commit
64a357017a
@ -144,7 +144,8 @@ VFS_MODULES = bin/vfs_audit.@SHLIBEXT@ bin/vfs_extd_audit.@SHLIBEXT@ bin/vfs_rec
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PDB_MODULES = @PDB_MODULES@
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RPC_MODULES = @RPC_MODULES@
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AUTH_MODULES = @AUTH_MODULES@
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MODULES = $(VFS_MODULES) $(PDB_MODULES) $(RPC_MODULES) $(AUTH_MODULES)
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CHARSET_MODULES = @CHARSET_MODULES@
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MODULES = $(VFS_MODULES) $(PDB_MODULES) $(RPC_MODULES) $(AUTH_MODULES) $(CHARSET_MODULES)
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######################################################################
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# object file lists
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@ -171,7 +172,7 @@ LIB_OBJ = lib/charcnv.o lib/debug.o lib/fault.o \
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nsswitch/wb_client.o nsswitch/wb_common.o \
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lib/pam_errors.o intl/lang_tdb.o lib/account_pol.o \
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lib/adt_tree.o lib/gencache.o $(TDB_OBJ) \
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lib/module.o lib/ldap_escape.o
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lib/module.o lib/ldap_escape.o @CHARSET_STATIC@
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LIB_SMBD_OBJ = lib/system_smbd.o lib/util_smbd.o
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@ -952,36 +953,99 @@ nsswitch/pam_winbind.@SHLIBEXT@: $(PAM_WINBIND_OBJ) bin/.dummy
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@$(SHLD) $(LDSHFLAGS) -o $@ $(PAM_WINBIND_OBJ) \
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@SONAMEFLAG@`basename $@` -lpam
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bin/pdb_mysql.@SHLIBEXT@: $(PDB_MYSQL_OBJ)
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bin/rhosts.@SHLIBEXT@: $(AUTH_RHOSTS_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(PDB_MYSQL_OBJ) @MYSQL_LIBS@ \
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@$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_RHOSTS_OBJ) @SONAMEFLAG@`basename $@`
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bin/builtin.@SHLIBEXT@: $(AUTH_BUILTIN_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_BUILTIN_OBJ) @SONAMEFLAG@`basename $@`
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bin/domain.@SHLIBEXT@: $(AUTH_DOMAIN_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_DOMAIN_OBJ) @SONAMEFLAG@`basename $@`
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bin/server.@SHLIBEXT@: $(AUTH_SERVER_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_SERVER_OBJ) @SONAMEFLAG@`basename $@`
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bin/winbind.@SHLIBEXT@: $(AUTH_WINBIND_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_WINBIND_OBJ) @SONAMEFLAG@`basename $@`
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bin/unix.@SHLIBEXT@: $(AUTH_UNIX_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_UNIX_OBJ) @SONAMEFLAG@`basename $@`
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bin/sam.@SHLIBEXT@: $(AUTH_SAM_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_SAM_OBJ) @SONAMEFLAG@`basename $@`
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bin/mysql.@SHLIBEXT@: $(MYSQL_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(MYSQL_OBJ) @MYSQL_LIBS@ \
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@SONAMEFLAG@`basename $@`
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bin/pdb_xml.@SHLIBEXT@: $(PDB_XML_OBJ)
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bin/ldapsam.@SHLIBEXT@: passdb/pdb_ldap.o
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(PDB_XML_OBJ) @XML_LIBS@ \
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@$(SHLD) $(LDSHFLAGS) @LDAP_LIBS@ -o $@ passdb/pdb_ldap.o \
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@SONAMEFLAG@`basename $@`
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bin/vfs_audit.@SHLIBEXT@: $(VFS_AUDIT_OBJ)
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bin/tdbsam.@SHLIBEXT@: passdb/pdb_tdb.o
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ passdb/pdb_tdb.o \
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@SONAMEFLAG@`basename $@`
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bin/smbpasswd.@SHLIBEXT@: passdb/pdb_smbpasswd.o
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ passdb/pdb_smbpasswd.o \
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@SONAMEFLAG@`basename $@`
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bin/unixsam.@SHLIBEXT@: passdb/pdb_unix.o
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ passdb/pdb_unix.o \
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@SONAMEFLAG@`basename $@`
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bin/nisplussam.@SHLIBEXT@: passdb/pdb_nisplus.o
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ passdb/pdb_nisplus.o \
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@SONAMEFLAG@`basename $@`
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bin/weird.@SHLIBEXT@: $(DEVEL_HELP_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(DEVEL_HELP_OBJ) \
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@SONAMEFLAG@`basename $@`
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bin/xml.@SHLIBEXT@: $(XML_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(XML_OBJ) @XML_LIBS@ \
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@SONAMEFLAG@`basename $@`
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bin/audit.@SHLIBEXT@: $(VFS_AUDIT_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_AUDIT_OBJ) \
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@SONAMEFLAG@`basename $@`
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bin/vfs_extd_audit.@SHLIBEXT@: $(VFS_EXTD_AUDIT_OBJ)
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bin/extd_audit.@SHLIBEXT@: $(VFS_EXTD_AUDIT_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_AUDIT_OBJ) \
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@$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_EXTD_AUDIT_OBJ) \
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@SONAMEFLAG@`basename $@`
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bin/vfs_recycle.@SHLIBEXT@: $(VFS_RECYCLE_OBJ)
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bin/recycle.@SHLIBEXT@: $(VFS_RECYCLE_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_RECYCLE_OBJ) \
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@SONAMEFLAG@`basename $@`
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bin/vfs_netatalk.@SHLIBEXT@: $(VFS_NETATALK_OBJ)
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bin/netatalk.@SHLIBEXT@: $(VFS_NETATALK_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_NETATALK_OBJ) \
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@SONAMEFLAG@`basename $@`
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bin/fake_perms.@SHLIBEXT@: $(VFS_FAKE_PERMS_OBJ)
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@echo "Building plugin $@"
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@$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_FAKE_PERMS_OBJ) \
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@SONAMEFLAG@`basename $@`
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bin/wbinfo@EXEEXT@: $(WBINFO_OBJ) $(PARAM_OBJ) $(LIB_OBJ) \
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$(UBIQX_OBJ) $(SECRETS_OBJ) @BUILD_POPT@ bin/.dummy
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@echo Linking $@
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@ -1045,6 +1109,7 @@ installmodules: modules installdirs
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@$(SHELL) $(srcdir)/script/installmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(PDBLIBDIR) $(PDB_MODULES)
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@$(SHELL) $(srcdir)/script/installmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(RPCLIBDIR) $(RPC_MODULES)
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@$(SHELL) $(srcdir)/script/installmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(AUTHLIBDIR) $(AUTH_MODULES)
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@$(SHELL) $(srcdir)/script/installmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(CHARSETLIBDIR) $(CHARSET_MODULES)
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installscripts: installdirs
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@$(SHELL) $(srcdir)/script/installscripts.sh $(INSTALLPERMS) $(DESTDIR)$(BINDIR) $(SCRIPTS)
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@ -1126,6 +1191,7 @@ uninstallmodules:
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@$(SHELL) $(srcdir)/script/uninstallmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(PDBLIBDIR) $(DESTDIR)$(PDB_MODULES)
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@$(SHELL) $(srcdir)/script/uninstallmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(RPCLIBDIR) $(DESTDIR)$(RPC_MODULES)
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@$(SHELL) $(srcdir)/script/uninstallmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(AUTHLIBDIR) $(DESTDIR)$(AUTH_MODULES)
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@$(SHELL) $(srcdir)/script/uninstallmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(CHARSETLIBDIR) $(DESTDIR)$(CHARSET_MODULES)
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uninstallscripts:
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@$(SHELL) $(srcdir)/script/uninstallscripts.sh $(INSTALLPERMS) $(DESTDIR)$(BINDIR) $(SCRIPTS)
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@ -2,6 +2,7 @@
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Unix SMB/CIFS implementation.
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charset defines
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Copyright (C) Andrew Tridgell 2001
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Copyright (C) Jelmer Vernooij 2002
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -22,3 +23,18 @@
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typedef enum {CH_UCS2=0, CH_UNIX=1, CH_DISPLAY=2, CH_DOS=3, CH_UTF8=4} charset_t;
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#define NUM_CHARSETS 5
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/*
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* for each charset we have a function that pulls from that charset to
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* a ucs2 buffer, and a function that pushes to a ucs2 buffer
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* */
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struct charset_functions {
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const char *name;
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size_t (*pull)(void *, char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft);
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size_t (*push)(void *, char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft);
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struct charset_functions *prev, *next;
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};
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@ -2,6 +2,7 @@
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Unix SMB/CIFS implementation.
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minimal iconv implementation
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Copyright (C) Andrew Tridgell 2001
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Copyright (C) Jelmer Vernooij 2002,2003
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -20,35 +21,97 @@
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#include "includes.h"
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/**
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* @file
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*
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* @brief Samba wrapper/stub for iconv character set conversion.
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*
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* iconv is the XPG2 interface for converting between character
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* encodings. This file provides a Samba wrapper around it, and also
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* a simple reimplementation that is used if the system does not
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* implement iconv.
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*
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* Samba only works with encodings that are supersets of ASCII: ascii
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* characters like whitespace can be tested for directly, multibyte
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* sequences start with a byte with the high bit set, and strings are
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* terminated by a nul byte.
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*
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* Note that the only function provided by iconv is conversion between
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* characters. It doesn't directly support operations like
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* uppercasing or comparison. We have to convert to UCS-2 and compare
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* there.
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*
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* @sa Samba Developers Guide
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**/
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static size_t ascii_pull(void *,char **, size_t *, char **, size_t *);
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static size_t ascii_push(void *,char **, size_t *, char **, size_t *);
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static size_t utf8_pull(void *,char **, size_t *, char **, size_t *);
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static size_t utf8_push(void *,char **, size_t *, char **, size_t *);
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static size_t weird_pull(void *,char **, size_t *, char **, size_t *);
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static size_t weird_push(void *,char **, size_t *, char **, size_t *);
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static size_t ucs2hex_pull(void *,char **, size_t *, char **, size_t *);
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static size_t ucs2hex_push(void *,char **, size_t *, char **, size_t *);
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static size_t iconv_copy(void *,char **, size_t *, char **, size_t *);
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/*
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for each charset we have a function that pulls from that charset to
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a ucs2 buffer, and a function that pushes to a ucs2 buffer
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*/
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static struct {
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const char *name;
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size_t (*pull)(void *, char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft);
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size_t (*push)(void *, char **inbuf, size_t *inbytesleft,
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char **outbuf, size_t *outbytesleft);
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} charsets[] = {
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static struct charset_functions builtin_functions[] = {
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{"UCS-2LE", iconv_copy, iconv_copy},
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{"UTF8", utf8_pull, utf8_push},
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{"ASCII", ascii_pull, ascii_push},
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{"WEIRD", weird_pull, weird_push},
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{"UCS2-HEX", ucs2hex_pull, ucs2hex_push},
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{NULL, NULL, NULL}
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};
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static struct charset_functions *charsets = NULL;
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static struct charset_functions *find_charset_functions(const char *name)
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{
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struct charset_functions *c = charsets;
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pstring stripped;
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module_path_get_name(name, stripped);
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while(c) {
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if (strcasecmp(stripped, c->name) == 0) {
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return c;
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}
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c = c->next;
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}
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return NULL;
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}
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BOOL smb_register_charset(struct charset_functions *funcs)
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{
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struct charset_functions *c = charsets;
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DEBUG(5, ("Attempting to register new charset %s\n", funcs->name));
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/* Check whether we already have this charset... */
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while(c) {
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if(!strcasecmp(c->name, funcs->name)){
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DEBUG(2, ("Duplicate charset %s, not registering\n", funcs->name));
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return False;
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}
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c = c->next;
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}
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funcs->next = funcs->prev = NULL;
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DEBUG(5, ("Registered charset %s\n", funcs->name));
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DLIST_ADD(charsets, funcs);
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return True;
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}
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void lazy_initialize_iconv(void)
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{
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static BOOL initialized;
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int i;
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if (!initialized) {
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initialized = True;
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for(i = 0; builtin_functions[i].name; i++)
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smb_register_charset(&builtin_functions[i]);
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static_init_charset;
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}
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}
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/* if there was an error then reset the internal state,
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this ensures that we don't have a shift state remaining for
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@ -116,7 +179,11 @@ size_t smb_iconv(smb_iconv_t cd,
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smb_iconv_t smb_iconv_open(const char *tocode, const char *fromcode)
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{
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smb_iconv_t ret;
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int from, to;
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struct charset_functions *from, *to;
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lazy_initialize_iconv();
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from = charsets;
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to = charsets;
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ret = (smb_iconv_t)malloc(sizeof(*ret));
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if (!ret) {
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@ -129,53 +196,78 @@ smb_iconv_t smb_iconv_open(const char *tocode, const char *fromcode)
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ret->to_name = strdup(tocode);
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/* check for the simplest null conversion */
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if (strcmp(fromcode, tocode) == 0) {
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if (strcasecmp(fromcode, tocode) == 0) {
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ret->direct = iconv_copy;
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return ret;
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}
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for (from=0; charsets[from].name; from++) {
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if (strcasecmp(charsets[from].name, fromcode) == 0) break;
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}
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for (to=0; charsets[to].name; to++) {
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if (strcasecmp(charsets[to].name, tocode) == 0) break;
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/* check if we have a builtin function for this conversion */
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from = find_charset_functions(fromcode);
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if(from)ret->pull = from->pull;
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to = find_charset_functions(tocode);
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if(to)ret->push = to->push;
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/* check if we can use iconv for this conversion */
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#ifdef HAVE_NATIVE_ICONV
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if (!ret->pull) {
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ret->cd_pull = iconv_open("UCS-2LE", fromcode);
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if (ret->cd_pull != (iconv_t)-1)
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ret->pull = sys_iconv;
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}
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#ifdef HAVE_NATIVE_ICONV
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if (!charsets[from].name) {
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ret->pull = sys_iconv;
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ret->cd_pull = iconv_open("UCS-2LE", fromcode);
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if (ret->cd_pull == (iconv_t)-1) goto failed;
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}
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if (!charsets[to].name) {
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ret->push = sys_iconv;
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if (!ret->push) {
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ret->cd_push = iconv_open(tocode, "UCS-2LE");
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if (ret->cd_push == (iconv_t)-1) goto failed;
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}
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#else
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if (!charsets[from].name || !charsets[to].name) {
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goto failed;
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if (ret->cd_push != (iconv_t)-1)
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ret->push = sys_iconv;
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}
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#endif
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/* check if there is a module available that can do this conversion */
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if (!ret->pull && smb_probe_module("charset", fromcode)) {
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if(!(from = find_charset_functions(fromcode)))
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DEBUG(0, ("Module %s doesn't provide charset %s!\n", fromcode, fromcode));
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else
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ret->pull = from->pull;
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}
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if (!ret->push && smb_probe_module("charset", tocode)) {
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if(!(to = find_charset_functions(tocode)))
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DEBUG(0, ("Module %s doesn't provide charset %s!\n", tocode, tocode));
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else
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ret->push = to->push;
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}
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if (!ret->push || !ret->pull) {
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SAFE_FREE(ret->from_name);
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SAFE_FREE(ret->to_name);
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SAFE_FREE(ret);
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errno = EINVAL;
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return (smb_iconv_t)-1;
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}
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/* check for conversion to/from ucs2 */
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if (from == 0 && charsets[to].name) {
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ret->direct = charsets[to].push;
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return ret;
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}
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if (to == 0 && charsets[from].name) {
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ret->direct = charsets[from].pull;
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if (strcasecmp(fromcode, "UCS-2LE") == 0 && to) {
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ret->direct = to->push;
|
||||
ret->push = ret->pull = NULL;
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (strcasecmp(tocode, "UCS-2LE") == 0 && from) {
|
||||
ret->direct = from->pull;
|
||||
ret->push = ret->pull = NULL;
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* Check if we can do the conversion direct */
|
||||
#ifdef HAVE_NATIVE_ICONV
|
||||
if (from == 0) {
|
||||
if (strcasecmp(fromcode, "UCS-2LE") == 0) {
|
||||
ret->direct = sys_iconv;
|
||||
ret->cd_direct = ret->cd_push;
|
||||
ret->cd_push = NULL;
|
||||
return ret;
|
||||
}
|
||||
if (to == 0) {
|
||||
if (strcasecmp(tocode, "UCS-2LE") == 0) {
|
||||
ret->direct = sys_iconv;
|
||||
ret->cd_direct = ret->cd_pull;
|
||||
ret->cd_pull = NULL;
|
||||
@ -183,15 +275,7 @@ smb_iconv_t smb_iconv_open(const char *tocode, const char *fromcode)
|
||||
}
|
||||
#endif
|
||||
|
||||
/* the general case has to go via a buffer */
|
||||
if (!ret->pull) ret->pull = charsets[from].pull;
|
||||
if (!ret->push) ret->push = charsets[to].push;
|
||||
return ret;
|
||||
|
||||
failed:
|
||||
SAFE_FREE(ret);
|
||||
errno = EINVAL;
|
||||
return (smb_iconv_t)-1;
|
||||
}
|
||||
|
||||
/*
|
||||
@ -353,111 +437,6 @@ static size_t ucs2hex_push(void *cd, char **inbuf, size_t *inbytesleft,
|
||||
}
|
||||
|
||||
|
||||
/* the "weird" character set is very useful for testing multi-byte
|
||||
support and finding bugs. Don't use on a production system!
|
||||
*/
|
||||
static struct {
|
||||
const char from;
|
||||
const char *to;
|
||||
int len;
|
||||
} weird_table[] = {
|
||||
{'q', "^q^", 3},
|
||||
{'Q', "^Q^", 3},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
static size_t weird_pull(void *cd, char **inbuf, size_t *inbytesleft,
|
||||
char **outbuf, size_t *outbytesleft)
|
||||
{
|
||||
while (*inbytesleft >= 1 && *outbytesleft >= 2) {
|
||||
int i;
|
||||
int done = 0;
|
||||
for (i=0;weird_table[i].from;i++) {
|
||||
if (strncmp((*inbuf),
|
||||
weird_table[i].to,
|
||||
weird_table[i].len) == 0) {
|
||||
if (*inbytesleft < weird_table[i].len) {
|
||||
DEBUG(0,("ERROR: truncated weird string\n"));
|
||||
/* smb_panic("weird_pull"); */
|
||||
|
||||
} else {
|
||||
(*outbuf)[0] = weird_table[i].from;
|
||||
(*outbuf)[1] = 0;
|
||||
(*inbytesleft) -= weird_table[i].len;
|
||||
(*outbytesleft) -= 2;
|
||||
(*inbuf) += weird_table[i].len;
|
||||
(*outbuf) += 2;
|
||||
done = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (done) continue;
|
||||
(*outbuf)[0] = (*inbuf)[0];
|
||||
(*outbuf)[1] = 0;
|
||||
(*inbytesleft) -= 1;
|
||||
(*outbytesleft) -= 2;
|
||||
(*inbuf) += 1;
|
||||
(*outbuf) += 2;
|
||||
}
|
||||
|
||||
if (*inbytesleft > 0) {
|
||||
errno = E2BIG;
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static size_t weird_push(void *cd, char **inbuf, size_t *inbytesleft,
|
||||
char **outbuf, size_t *outbytesleft)
|
||||
{
|
||||
int ir_count=0;
|
||||
|
||||
while (*inbytesleft >= 2 && *outbytesleft >= 1) {
|
||||
int i;
|
||||
int done=0;
|
||||
for (i=0;weird_table[i].from;i++) {
|
||||
if ((*inbuf)[0] == weird_table[i].from &&
|
||||
(*inbuf)[1] == 0) {
|
||||
if (*outbytesleft < weird_table[i].len) {
|
||||
DEBUG(0,("No room for weird character\n"));
|
||||
/* smb_panic("weird_push"); */
|
||||
} else {
|
||||
memcpy(*outbuf, weird_table[i].to,
|
||||
weird_table[i].len);
|
||||
(*inbytesleft) -= 2;
|
||||
(*outbytesleft) -= weird_table[i].len;
|
||||
(*inbuf) += 2;
|
||||
(*outbuf) += weird_table[i].len;
|
||||
done = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (done) continue;
|
||||
|
||||
(*outbuf)[0] = (*inbuf)[0];
|
||||
if ((*inbuf)[1]) ir_count++;
|
||||
(*inbytesleft) -= 2;
|
||||
(*outbytesleft) -= 1;
|
||||
(*inbuf) += 2;
|
||||
(*outbuf) += 1;
|
||||
}
|
||||
|
||||
if (*inbytesleft == 1) {
|
||||
errno = EINVAL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (*inbytesleft > 1) {
|
||||
errno = E2BIG;
|
||||
return -1;
|
||||
}
|
||||
|
||||
return ir_count;
|
||||
}
|
||||
|
||||
static size_t iconv_copy(void *cd, char **inbuf, size_t *inbytesleft,
|
||||
char **outbuf, size_t *outbytesleft)
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user