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Windows: Add support for MSLSA: cache type using a plug-in

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This commit is contained in:
Asanka Herath
2010-08-26 16:10:32 -04:00
committed by Asanka C. Herath
parent d6cf7e78e9
commit 9db9b146fb
5 changed files with 107 additions and 0 deletions
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1
include/NTMakefile
View File

@@ -74,6 +74,7 @@ while(<>) {
if ("$(HAVE_KCM)") { print "#define HAVE_KCM 1\n"; }
if ("$(HAVE_SCC)") { print "#define HAVE_SCC 1\n"; }
if ("$(DIR_hdbdir)") { print "#define HDB_DB_DIR \"".'$(DIR_hdbdir)'."\"\n"; }
if ("$(HAVE_MSLSA_CACHE)") { print "#define HAVE_MSLSA_CACHE 1\n"; }
} elsif (m/\@VERSION_OPTDEFS\@/) {

8
lib/krb5/NTMakefile
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@@ -264,6 +264,14 @@ dist_libkrb5_la_SOURCES = \
warn.c \
write_message.c
!ifdef HAVE_MSLSA_CACHE
libkrb5_OBJS=$(libkrb5_OBJS) \
$(OBJ)\lsacache.obj
dist_libkrb5_la_SOURCES=$(dist_libkrb5_la_SOURCES) \
lsacache.c
!endif
$(OBJ)\krb5-protos.h: $(dist_libkrb5_la_SOURCES)
$(PERL) ..\..\cf\make-proto.pl -E KRB5_LIB -q -P remove -o $(OBJ)\krb5-protos.h $(dist_libkrb5_la_SOURCES) || $(RM) -f krb5-protos.h

3
lib/krb5/context.c
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@@ -246,6 +246,9 @@ cc_ops_register(krb5_context context)
krb5_cc_register(context, &krb5_akcm_ops, TRUE);
#endif
krb5_cc_register(context, &krb5_kcm_ops, TRUE);
#endif
#ifdef HAVE_MSLSA_CACHE
_krb5_mslsa_register_cc_ops(context, TRUE);
#endif
return 0;
}

92
lib/krb5/lsacache.c Normal file
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@@ -0,0 +1,92 @@
/*
*/
#include "krb5_locl.h"
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif
#include <assert.h>
static HEIMDAL_MUTEX lsacc_mutex = HEIMDAL_MUTEX_INITIALIZER;
const krb5_cc_ops * lsacc_ops = NULL;
static void *lsacc_handle;
krb5_error_code
_krb5_mslsa_register_cc_ops(krb5_context context, krb5_boolean override)
{
const char *lib = NULL;
HEIMDAL_MUTEX_lock(&lsacc_mutex);
if (lsacc_ops) {
HEIMDAL_MUTEX_unlock(&lsacc_mutex);
if (context) {
krb5_clear_error_message(context);
krb5_cc_register(context, lsacc_ops, override);
}
return 0;
}
if (context)
lib = krb5_config_get_string(context, NULL,
"libdefaults", "mslsa_library",
NULL);
if (lib == NULL) {
lib = "%{LIBDIR}/mslsa_cc.dll";
}
{
char * explib = NULL;
if (_krb5_expand_path_tokens(context, lib, &explib) == 0) {
lsacc_handle = dlopen(explib, RTLD_LAZY|RTLD_LOCAL);
free(explib);
}
}
if (lsacc_handle == NULL) {
HEIMDAL_MUTEX_unlock(&lsacc_mutex);
if (context)
krb5_set_error_message(context, KRB5_CC_NOSUPP,
N_("Failed to load MSLSA cache module %s", "file"),
lib);
return KRB5_CC_NOSUPP;
}
{
krb5_error_code ret = 0;
krb5_error_code (KRB5_CALLCONV *lsacc_get_ops)(const krb5_cc_ops ** ops);
lsacc_get_ops = (krb5_error_code (KRB5_CALLCONV *)(const krb5_cc_ops **))
dlsym(lsacc_handle, "lsacc_get_ops");
if (lsacc_get_ops) {
ret = (*lsacc_get_ops)(&lsacc_ops);
}
HEIMDAL_MUTEX_unlock(&lsacc_mutex);
if (ret != 0) {
if (context)
krb5_set_error_message(context, KRB5_CC_NOSUPP,
N_("LSA cache initialization failed (%d)",
"error"), ret);
dlclose(lsacc_handle);
return KRB5_CC_NOSUPP;
}
if (lsacc_get_ops == NULL) {
if (context)
krb5_set_error_message(context, KRB5_CC_NOSUPP,
N_("Failed to find lsacc_get_ops"
"in %s: %s", "file, error"), lib, dlerror());
dlclose(lsacc_handle);
return KRB5_CC_NOSUPP;
}
}
assert(lsacc_ops != NULL);
if (context)
return krb5_cc_register(context, lsacc_ops, override);
return 0;
}

3
windows/NTMakefile.config
View File

@@ -95,3 +95,6 @@ ENABLE_PTHREAD_SUPPORT=1
HAVE_SCC=1
DIR_hdbdir=%{COMMON_APPDATA}/heimdal/hdb
# Enable MSLSA cache backend
HAVE_MSLSA_CACHE=1