diff --git a/source/Makefile.in b/source/Makefile.in index 6b162d7ef25..ee25d3c62cc 100644 --- a/source/Makefile.in +++ b/source/Makefile.in @@ -144,7 +144,8 @@ VFS_MODULES = bin/vfs_audit.@SHLIBEXT@ bin/vfs_extd_audit.@SHLIBEXT@ bin/vfs_rec PDB_MODULES = @PDB_MODULES@ RPC_MODULES = @RPC_MODULES@ AUTH_MODULES = @AUTH_MODULES@ -MODULES = $(VFS_MODULES) $(PDB_MODULES) $(RPC_MODULES) $(AUTH_MODULES) +CHARSET_MODULES = @CHARSET_MODULES@ +MODULES = $(VFS_MODULES) $(PDB_MODULES) $(RPC_MODULES) $(AUTH_MODULES) $(CHARSET_MODULES) ###################################################################### # object file lists @@ -171,7 +172,7 @@ LIB_OBJ = lib/charcnv.o lib/debug.o lib/fault.o \ nsswitch/wb_client.o nsswitch/wb_common.o \ lib/pam_errors.o intl/lang_tdb.o lib/account_pol.o \ lib/adt_tree.o lib/gencache.o $(TDB_OBJ) \ - lib/module.o lib/ldap_escape.o + lib/module.o lib/ldap_escape.o @CHARSET_STATIC@ LIB_SMBD_OBJ = lib/system_smbd.o lib/util_smbd.o @@ -952,36 +953,99 @@ nsswitch/pam_winbind.@SHLIBEXT@: $(PAM_WINBIND_OBJ) bin/.dummy @$(SHLD) $(LDSHFLAGS) -o $@ $(PAM_WINBIND_OBJ) \ @SONAMEFLAG@`basename $@` -lpam -bin/pdb_mysql.@SHLIBEXT@: $(PDB_MYSQL_OBJ) +bin/rhosts.@SHLIBEXT@: $(AUTH_RHOSTS_OBJ) @echo "Building plugin $@" - @$(SHLD) $(LDSHFLAGS) -o $@ $(PDB_MYSQL_OBJ) @MYSQL_LIBS@ \ + @$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_RHOSTS_OBJ) @SONAMEFLAG@`basename $@` + +bin/builtin.@SHLIBEXT@: $(AUTH_BUILTIN_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_BUILTIN_OBJ) @SONAMEFLAG@`basename $@` + +bin/domain.@SHLIBEXT@: $(AUTH_DOMAIN_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_DOMAIN_OBJ) @SONAMEFLAG@`basename $@` + +bin/server.@SHLIBEXT@: $(AUTH_SERVER_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_SERVER_OBJ) @SONAMEFLAG@`basename $@` + +bin/winbind.@SHLIBEXT@: $(AUTH_WINBIND_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_WINBIND_OBJ) @SONAMEFLAG@`basename $@` + +bin/unix.@SHLIBEXT@: $(AUTH_UNIX_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_UNIX_OBJ) @SONAMEFLAG@`basename $@` + +bin/sam.@SHLIBEXT@: $(AUTH_SAM_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(AUTH_SAM_OBJ) @SONAMEFLAG@`basename $@` + +bin/mysql.@SHLIBEXT@: $(MYSQL_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(MYSQL_OBJ) @MYSQL_LIBS@ \ @SONAMEFLAG@`basename $@` -bin/pdb_xml.@SHLIBEXT@: $(PDB_XML_OBJ) +bin/ldapsam.@SHLIBEXT@: passdb/pdb_ldap.o @echo "Building plugin $@" - @$(SHLD) $(LDSHFLAGS) -o $@ $(PDB_XML_OBJ) @XML_LIBS@ \ + @$(SHLD) $(LDSHFLAGS) @LDAP_LIBS@ -o $@ passdb/pdb_ldap.o \ @SONAMEFLAG@`basename $@` -bin/vfs_audit.@SHLIBEXT@: $(VFS_AUDIT_OBJ) +bin/tdbsam.@SHLIBEXT@: passdb/pdb_tdb.o + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ passdb/pdb_tdb.o \ + @SONAMEFLAG@`basename $@` + +bin/smbpasswd.@SHLIBEXT@: passdb/pdb_smbpasswd.o + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ passdb/pdb_smbpasswd.o \ + @SONAMEFLAG@`basename $@` + +bin/unixsam.@SHLIBEXT@: passdb/pdb_unix.o + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ passdb/pdb_unix.o \ + @SONAMEFLAG@`basename $@` + +bin/nisplussam.@SHLIBEXT@: passdb/pdb_nisplus.o + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ passdb/pdb_nisplus.o \ + @SONAMEFLAG@`basename $@` + +bin/weird.@SHLIBEXT@: $(DEVEL_HELP_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(DEVEL_HELP_OBJ) \ + @SONAMEFLAG@`basename $@` + +bin/xml.@SHLIBEXT@: $(XML_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(XML_OBJ) @XML_LIBS@ \ + @SONAMEFLAG@`basename $@` + +bin/audit.@SHLIBEXT@: $(VFS_AUDIT_OBJ) @echo "Building plugin $@" @$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_AUDIT_OBJ) \ @SONAMEFLAG@`basename $@` -bin/vfs_extd_audit.@SHLIBEXT@: $(VFS_EXTD_AUDIT_OBJ) +bin/extd_audit.@SHLIBEXT@: $(VFS_EXTD_AUDIT_OBJ) @echo "Building plugin $@" - @$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_AUDIT_OBJ) \ + @$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_EXTD_AUDIT_OBJ) \ @SONAMEFLAG@`basename $@` -bin/vfs_recycle.@SHLIBEXT@: $(VFS_RECYCLE_OBJ) +bin/recycle.@SHLIBEXT@: $(VFS_RECYCLE_OBJ) @echo "Building plugin $@" @$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_RECYCLE_OBJ) \ @SONAMEFLAG@`basename $@` -bin/vfs_netatalk.@SHLIBEXT@: $(VFS_NETATALK_OBJ) +bin/netatalk.@SHLIBEXT@: $(VFS_NETATALK_OBJ) @echo "Building plugin $@" @$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_NETATALK_OBJ) \ @SONAMEFLAG@`basename $@` +bin/fake_perms.@SHLIBEXT@: $(VFS_FAKE_PERMS_OBJ) + @echo "Building plugin $@" + @$(SHLD) $(LDSHFLAGS) -o $@ $(VFS_FAKE_PERMS_OBJ) \ + @SONAMEFLAG@`basename $@` + bin/wbinfo@EXEEXT@: $(WBINFO_OBJ) $(PARAM_OBJ) $(LIB_OBJ) \ $(UBIQX_OBJ) $(SECRETS_OBJ) @BUILD_POPT@ bin/.dummy @echo Linking $@ @@ -1045,6 +1109,7 @@ installmodules: modules installdirs @$(SHELL) $(srcdir)/script/installmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(PDBLIBDIR) $(PDB_MODULES) @$(SHELL) $(srcdir)/script/installmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(RPCLIBDIR) $(RPC_MODULES) @$(SHELL) $(srcdir)/script/installmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(AUTHLIBDIR) $(AUTH_MODULES) + @$(SHELL) $(srcdir)/script/installmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(CHARSETLIBDIR) $(CHARSET_MODULES) installscripts: installdirs @$(SHELL) $(srcdir)/script/installscripts.sh $(INSTALLPERMS) $(DESTDIR)$(BINDIR) $(SCRIPTS) @@ -1126,6 +1191,7 @@ uninstallmodules: @$(SHELL) $(srcdir)/script/uninstallmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(PDBLIBDIR) $(DESTDIR)$(PDB_MODULES) @$(SHELL) $(srcdir)/script/uninstallmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(RPCLIBDIR) $(DESTDIR)$(RPC_MODULES) @$(SHELL) $(srcdir)/script/uninstallmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(AUTHLIBDIR) $(DESTDIR)$(AUTH_MODULES) + @$(SHELL) $(srcdir)/script/uninstallmodules.sh $(INSTALLPERMS) $(DESTDIR)$(BASEDIR) $(DESTDIR)$(CHARSETLIBDIR) $(DESTDIR)$(CHARSET_MODULES) uninstallscripts: @$(SHELL) $(srcdir)/script/uninstallscripts.sh $(INSTALLPERMS) $(DESTDIR)$(BINDIR) $(SCRIPTS) diff --git a/source/include/charset.h b/source/include/charset.h index 07d5e2d5993..c56984ca7b2 100644 --- a/source/include/charset.h +++ b/source/include/charset.h @@ -2,6 +2,7 @@ Unix SMB/CIFS implementation. charset defines Copyright (C) Andrew Tridgell 2001 + Copyright (C) Jelmer Vernooij 2002 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -22,3 +23,18 @@ typedef enum {CH_UCS2=0, CH_UNIX=1, CH_DISPLAY=2, CH_DOS=3, CH_UTF8=4} charset_t; #define NUM_CHARSETS 5 + +/* + * for each charset we have a function that pulls from that charset to + * a ucs2 buffer, and a function that pushes to a ucs2 buffer + * */ + +struct charset_functions { + const char *name; + size_t (*pull)(void *, char **inbuf, size_t *inbytesleft, + char **outbuf, size_t *outbytesleft); + size_t (*push)(void *, char **inbuf, size_t *inbytesleft, + char **outbuf, size_t *outbytesleft); + struct charset_functions *prev, *next; +}; + diff --git a/source/lib/iconv.c b/source/lib/iconv.c index 54733c2ac27..d161975601c 100644 --- a/source/lib/iconv.c +++ b/source/lib/iconv.c @@ -2,6 +2,7 @@ Unix SMB/CIFS implementation. minimal iconv implementation Copyright (C) Andrew Tridgell 2001 + Copyright (C) Jelmer Vernooij 2002,2003 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,35 +21,97 @@ #include "includes.h" + +/** + * @file + * + * @brief Samba wrapper/stub for iconv character set conversion. + * + * iconv is the XPG2 interface for converting between character + * encodings. This file provides a Samba wrapper around it, and also + * a simple reimplementation that is used if the system does not + * implement iconv. + * + * Samba only works with encodings that are supersets of ASCII: ascii + * characters like whitespace can be tested for directly, multibyte + * sequences start with a byte with the high bit set, and strings are + * terminated by a nul byte. + * + * Note that the only function provided by iconv is conversion between + * characters. It doesn't directly support operations like + * uppercasing or comparison. We have to convert to UCS-2 and compare + * there. + * + * @sa Samba Developers Guide + **/ + static size_t ascii_pull(void *,char **, size_t *, char **, size_t *); static size_t ascii_push(void *,char **, size_t *, char **, size_t *); static size_t utf8_pull(void *,char **, size_t *, char **, size_t *); static size_t utf8_push(void *,char **, size_t *, char **, size_t *); -static size_t weird_pull(void *,char **, size_t *, char **, size_t *); -static size_t weird_push(void *,char **, size_t *, char **, size_t *); static size_t ucs2hex_pull(void *,char **, size_t *, char **, size_t *); static size_t ucs2hex_push(void *,char **, size_t *, char **, size_t *); static size_t iconv_copy(void *,char **, size_t *, char **, size_t *); -/* - for each charset we have a function that pulls from that charset to - a ucs2 buffer, and a function that pushes to a ucs2 buffer -*/ -static struct { - const char *name; - size_t (*pull)(void *, char **inbuf, size_t *inbytesleft, - char **outbuf, size_t *outbytesleft); - size_t (*push)(void *, char **inbuf, size_t *inbytesleft, - char **outbuf, size_t *outbytesleft); -} charsets[] = { +static struct charset_functions builtin_functions[] = { {"UCS-2LE", iconv_copy, iconv_copy}, {"UTF8", utf8_pull, utf8_push}, {"ASCII", ascii_pull, ascii_push}, - {"WEIRD", weird_pull, weird_push}, {"UCS2-HEX", ucs2hex_pull, ucs2hex_push}, {NULL, NULL, NULL} }; +static struct charset_functions *charsets = NULL; + +static struct charset_functions *find_charset_functions(const char *name) +{ + struct charset_functions *c = charsets; + pstring stripped; + + module_path_get_name(name, stripped); + + while(c) { + if (strcasecmp(stripped, c->name) == 0) { + return c; + } + c = c->next; + } + + return NULL; +} + +BOOL smb_register_charset(struct charset_functions *funcs) +{ + struct charset_functions *c = charsets; + + DEBUG(5, ("Attempting to register new charset %s\n", funcs->name)); + /* Check whether we already have this charset... */ + while(c) { + if(!strcasecmp(c->name, funcs->name)){ + DEBUG(2, ("Duplicate charset %s, not registering\n", funcs->name)); + return False; + } + c = c->next; + } + + funcs->next = funcs->prev = NULL; + DEBUG(5, ("Registered charset %s\n", funcs->name)); + DLIST_ADD(charsets, funcs); + return True; +} + +void lazy_initialize_iconv(void) +{ + static BOOL initialized; + int i; + + if (!initialized) { + initialized = True; + for(i = 0; builtin_functions[i].name; i++) + smb_register_charset(&builtin_functions[i]); + static_init_charset; + } +} /* if there was an error then reset the internal state, this ensures that we don't have a shift state remaining for @@ -116,7 +179,11 @@ size_t smb_iconv(smb_iconv_t cd, smb_iconv_t smb_iconv_open(const char *tocode, const char *fromcode) { smb_iconv_t ret; - int from, to; + struct charset_functions *from, *to; + + lazy_initialize_iconv(); + from = charsets; + to = charsets; ret = (smb_iconv_t)malloc(sizeof(*ret)); if (!ret) { @@ -129,53 +196,78 @@ smb_iconv_t smb_iconv_open(const char *tocode, const char *fromcode) ret->to_name = strdup(tocode); /* check for the simplest null conversion */ - if (strcmp(fromcode, tocode) == 0) { + if (strcasecmp(fromcode, tocode) == 0) { ret->direct = iconv_copy; return ret; } - for (from=0; charsets[from].name; from++) { - if (strcasecmp(charsets[from].name, fromcode) == 0) break; - } - for (to=0; charsets[to].name; to++) { - if (strcasecmp(charsets[to].name, tocode) == 0) break; + /* check if we have a builtin function for this conversion */ + from = find_charset_functions(fromcode); + if(from)ret->pull = from->pull; + + to = find_charset_functions(tocode); + if(to)ret->push = to->push; + + /* check if we can use iconv for this conversion */ +#ifdef HAVE_NATIVE_ICONV + if (!ret->pull) { + ret->cd_pull = iconv_open("UCS-2LE", fromcode); + if (ret->cd_pull != (iconv_t)-1) + ret->pull = sys_iconv; } -#ifdef HAVE_NATIVE_ICONV - if (!charsets[from].name) { - ret->pull = sys_iconv; - ret->cd_pull = iconv_open("UCS-2LE", fromcode); - if (ret->cd_pull == (iconv_t)-1) goto failed; - } - if (!charsets[to].name) { - ret->push = sys_iconv; + if (!ret->push) { ret->cd_push = iconv_open(tocode, "UCS-2LE"); - if (ret->cd_push == (iconv_t)-1) goto failed; - } -#else - if (!charsets[from].name || !charsets[to].name) { - goto failed; + if (ret->cd_push != (iconv_t)-1) + ret->push = sys_iconv; } #endif + + /* check if there is a module available that can do this conversion */ + if (!ret->pull && smb_probe_module("charset", fromcode)) { + if(!(from = find_charset_functions(fromcode))) + DEBUG(0, ("Module %s doesn't provide charset %s!\n", fromcode, fromcode)); + else + ret->pull = from->pull; + } + + if (!ret->push && smb_probe_module("charset", tocode)) { + if(!(to = find_charset_functions(tocode))) + DEBUG(0, ("Module %s doesn't provide charset %s!\n", tocode, tocode)); + else + ret->push = to->push; + } + + if (!ret->push || !ret->pull) { + SAFE_FREE(ret->from_name); + SAFE_FREE(ret->to_name); + SAFE_FREE(ret); + errno = EINVAL; + return (smb_iconv_t)-1; + } /* check for conversion to/from ucs2 */ - if (from == 0 && charsets[to].name) { - ret->direct = charsets[to].push; - return ret; - } - if (to == 0 && charsets[from].name) { - ret->direct = charsets[from].pull; + if (strcasecmp(fromcode, "UCS-2LE") == 0 && to) { + 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) {