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-rw-r--r--lib/util/charset/iconv.c78
-rw-r--r--lib/util/charset/wscript_build20
-rw-r--r--source3/wscript17
3 files changed, 76 insertions, 39 deletions
diff --git a/lib/util/charset/iconv.c b/lib/util/charset/iconv.c
index f63c4e6028..fd8b8ae8ee 100644
--- a/lib/util/charset/iconv.c
+++ b/lib/util/charset/iconv.c
@@ -244,7 +244,7 @@ static int smb_iconv_t_destructor(smb_iconv_t hwd)
}
_PUBLIC_ smb_iconv_t smb_iconv_open_ex(TALLOC_CTX *mem_ctx, const char *tocode,
- const char *fromcode, bool native_iconv)
+ const char *fromcode, bool allow_native_iconv)
{
smb_iconv_t ret;
const struct charset_functions *from=NULL, *to=NULL;
@@ -268,6 +268,7 @@ _PUBLIC_ smb_iconv_t smb_iconv_open_ex(TALLOC_CTX *mem_ctx, const char *tocode,
return ret;
}
+ /* check if we have a builtin function for this conversion */
for (i=0;i<ARRAY_SIZE(builtin_functions);i++) {
if (strcasecmp(fromcode, builtin_functions[i].name) == 0) {
from = &builtin_functions[i];
@@ -277,43 +278,68 @@ _PUBLIC_ smb_iconv_t smb_iconv_open_ex(TALLOC_CTX *mem_ctx, const char *tocode,
}
}
- if (from == NULL) {
- for (from=charsets; from; from=from->next) {
- if (strcasecmp(from->name, fromcode) == 0) break;
- }
- }
-
- if (to == NULL) {
- for (to=charsets; to; to=to->next) {
- if (strcasecmp(to->name, tocode) == 0) break;
- }
- }
-
#ifdef HAVE_NATIVE_ICONV
- if ((!from || !to) && !native_iconv) {
- goto failed;
- }
- if (!from) {
- ret->pull = sys_iconv;
+ /* the from and to varaibles indicate a samba module or
+ * internal conversion, ret->pull and ret->push are
+ * initialised only in this block for iconv based
+ * conversions */
+
+ if (allow_native_iconv && from == NULL) {
ret->cd_pull = iconv_open("UTF-16LE", fromcode);
if (ret->cd_pull == (iconv_t)-1)
ret->cd_pull = iconv_open("UCS-2LE", fromcode);
- if (ret->cd_pull == (iconv_t)-1) goto failed;
+ if (ret->cd_pull != (iconv_t)-1) {
+ ret->pull = sys_iconv;
+ }
}
-
- if (!to) {
- ret->push = sys_iconv;
+
+ if (allow_native_iconv && to == NULL) {
ret->cd_push = iconv_open(tocode, "UTF-16LE");
if (ret->cd_push == (iconv_t)-1)
ret->cd_push = iconv_open(tocode, "UCS-2LE");
- if (ret->cd_push == (iconv_t)-1) goto failed;
+ if (ret->cd_push != (iconv_t)-1) {
+ ret->push = sys_iconv;
+ }
}
-#else
- if (!from || !to) {
- goto failed;
+#endif
+
+ /* If iconv was unable to provide the conversion, or if use of
+ * it was disabled, and it wasn't a builtin charset, try a
+ * module */
+ if (ret->pull == NULL && from == NULL) {
+ from = find_charset_functions(fromcode);
+ }
+
+ if (ret->push == NULL && to == NULL) {
+ to = find_charset_functions(tocode);
+ }
+
+ /* In the WAF builds, all charset modules are linked in at compile
+ * time, as we have shared libs. Using run-time loading as well will
+ * cause dependency loops. For the autoconf build, try loading from a module */
+#ifndef _SAMBA_WAF_BUILD_
+ /* check if there is a module available that can do this conversion */
+ if (from == NULL && ret->pull == NULL && NT_STATUS_IS_OK(smb_probe_module("charset", fromcode))) {
+ if (!(from = find_charset_functions(fromcode))) {
+ DEBUG(0, ("Module %s doesn't provide charset %s!\n", fromcode, fromcode));
+ }
+ }
+
+ if (to == NULL && ret->push == NULL && NT_STATUS_IS_OK(smb_probe_module("charset", tocode))) {
+ if (!(to = find_charset_functions(tocode))) {
+ DEBUG(0, ("Module %s doesn't provide charset %s!\n", tocode, tocode));
+ }
}
#endif
+ if (ret->pull == NULL && from == NULL) {
+ goto failed;
+ }
+
+ if (ret->push == NULL && to == NULL) {
+ goto failed;
+ }
+
/* check for conversion to/from ucs2 */
if (is_utf16(fromcode) && to) {
ret->direct = to->push;
diff --git a/lib/util/charset/wscript_build b/lib/util/charset/wscript_build
index 7a9918046d..d659c7a450 100644
--- a/lib/util/charset/wscript_build
+++ b/lib/util/charset/wscript_build
@@ -10,35 +10,39 @@ bld.SAMBA_SUBSYSTEM('charset',
deps='DYNCONFIG ICONV_WRAPPER',
public_deps='talloc')
+# In the WAF builds, all charset modules are linked in at compile
+# time, as we have shared libs. Using run-time loading as well will
+# cause dependency loops
+
bld.SAMBA_MODULE('charset_weird',
subsystem='charset',
source='weird.c',
- init_function='',
+ init_function='charset_weird_init',
deps='samba-util',
- internal_module=bld.SAMBA3_IS_STATIC_MODULE('charset_weird'),
+ internal_module=True,
enabled=bld.SAMBA3_IS_ENABLED_MODULE('charset_weird'))
bld.SAMBA_MODULE('charset_CP850',
subsystem='charset',
source='CP850.c',
- init_function='',
+ init_function='charset_CP850_init',
deps='samba-util',
- internal_module=bld.SAMBA3_IS_STATIC_MODULE('charset_CP850'),
+ internal_module=True,
enabled=bld.SAMBA3_IS_ENABLED_MODULE('charset_CP850'))
bld.SAMBA_MODULE('charset_CP437',
subsystem='charset',
source='CP437.c',
- init_function='',
+ init_function='charset_CP437_init',
deps='samba-util',
- internal_module=bld.SAMBA3_IS_STATIC_MODULE('charset_CP437'),
+ internal_module=True,
enabled=bld.SAMBA3_IS_ENABLED_MODULE('charset_CP437'))
bld.SAMBA_MODULE('charset_macosxfs',
subsystem='charset',
source='charset_macosxfs.c',
- init_function='',
- internal_module=bld.SAMBA3_IS_STATIC_MODULE('charset_macosxfs'),
+ init_function='charset_macosxfs_init',
+ internal_module=True,
enabled=bld.SAMBA3_IS_ENABLED_MODULE('charset_macosxfs'))
diff --git a/source3/wscript b/source3/wscript
index f7c12a83bf..165146cf6f 100644
--- a/source3/wscript
+++ b/source3/wscript
@@ -125,6 +125,7 @@ def configure(conf):
conf.RECURSE('../lib/zlib')
conf.RECURSE('../libcli/smbreadline')
conf.RECURSE('../lib/util')
+ conf.RECURSE('../lib/util/charset')
conf.ADD_EXTRA_INCLUDES('''#source3 #source3/include #lib/replace #lib''')
if not conf.env.USING_SYSTEM_TDB:
@@ -1713,6 +1714,9 @@ main() {
if conf.CHECK_HEADERS('gpfs_gpl.h'):
conf.DEFINE('HAVE_GPFS', '1')
+ # Note that all charset 'modules' must actually be static, due to dependency loop issues
+ # if we include the module loader in iconv
+
default_static_modules=TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
auth_sam auth_unix auth_winbind auth_wbc auth_server
auth_domain auth_builtin vfs_default
@@ -1721,16 +1725,19 @@ main() {
default_shared_modules=TO_LIST('''vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
- vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 charset_CP850
- charset_CP437 auth_script vfs_readahead vfs_xattr_tdb
+ vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2
+ auth_script vfs_readahead vfs_xattr_tdb
vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
vfs_smb_traffic_analyzer vfs_preopen vfs_catia vfs_scannedonly
vfs_crossrename vfs_linux_xfs_sgid
vfs_time_audit idmap_autorid''')
if Options.options.developer:
- default_static_modules.extend(TO_LIST('pdb_ads auth_netlogond'))
- default_shared_modules.extend(TO_LIST('charset_weird perfcount_test'))
+ default_static_modules.extend(TO_LIST('pdb_ads auth_netlogond charset_weird'))
+ default_shared_modules.extend(TO_LIST('perfcount_test'))
+
+ if Options.options.developer or not conf.CONFIG_SET('HAVE_NATIVE_ICONV'):
+ default_static_modules.extend(TO_LIST('charset_CP850 charset_CP437'))
if conf.env.toplevel_build:
default_static_modules.extend(TO_LIST('pdb_samba4 auth_samba4'))
@@ -1754,7 +1761,7 @@ main() {
default_static_modules.extend(TO_LIST('pdb_ldap idmap_ldap'))
if conf.CONFIG_SET('DARWINOS'):
- default_shared_modules.extend(TO_LIST('charset_macosxfs'))
+ default_static_modules.extend(TO_LIST('charset_macosxfs'))
if conf.CONFIG_SET('HAVE_GPFS'):
default_shared_modules.extend(TO_LIST('vfs_gpfs vfs_gpfs_hsm_notify'))
generated by cgit (git 2.34.1) at 2024-11-25 02:10:30 +0000