kerberos: Move support for SpAcquireCredentialsHandle/SpFreeCredentialsHandle to a new Unix library.

Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hans Leidekker 2021-04-20 15:56:48 +02:00 committed by Alexandre Julliard
parent 885c480d2e
commit 6e9a9d6701
4 changed files with 494 additions and 134 deletions

View File

@ -2,4 +2,5 @@ MODULE = kerberos.dll
EXTRAINCL = $(KRB5_CFLAGS) $(GSSAPI_CFLAGS)
C_SRCS = \
krb5_ap.c
krb5_ap.c \
unixlib.c

View File

@ -46,9 +46,14 @@
#include "wine/heap.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "unixlib.h"
WINE_DEFAULT_DEBUG_CHANNEL(kerberos);
static HINSTANCE instance;
const struct krb5_funcs *krb5_funcs = NULL;
#define KERBEROS_MAX_BUF 12000
#define KERBEROS_CAPS \
@ -674,11 +679,6 @@ static inline gss_cred_id_t credhandle_sspi_to_gss( LSA_SEC_HANDLE cred )
return (gss_cred_id_t)cred;
}
static inline void credhandle_gss_to_sspi( gss_cred_id_t handle, LSA_SEC_HANDLE *cred )
{
*cred = (LSA_SEC_HANDLE)handle;
}
static inline gss_ctx_id_t ctxthandle_sspi_to_gss( LSA_SEC_HANDLE ctxt )
{
if (!ctxt) return GSS_C_NO_CONTEXT;
@ -840,8 +840,19 @@ static int get_buffer_index( SecBufferDesc *desc, DWORD type )
}
return -1;
}
#endif /* SONAME_LIBGSSAPI_KRB5 */
static char *get_user_at_domain( const WCHAR *user, ULONG user_len, const WCHAR *domain, ULONG domain_len )
static char *get_str_unixcp( const UNICODE_STRING *str )
{
char *ret;
int len = WideCharToMultiByte( CP_UNIXCP, 0, str->Buffer, str->Length / sizeof(WCHAR), NULL, 0, NULL, NULL );
if (!(ret = heap_alloc( len + 1 ))) return NULL;
WideCharToMultiByte( CP_UNIXCP, 0, str->Buffer, str->Length / sizeof(WCHAR), ret, len, NULL, NULL );
ret[len] = 0;
return ret;
}
static char *get_username_unixcp( const WCHAR *user, ULONG user_len, const WCHAR *domain, ULONG domain_len )
{
int len_user, len_domain;
char *ret;
@ -857,7 +868,7 @@ static char *get_user_at_domain( const WCHAR *user, ULONG user_len, const WCHAR
return ret;
}
static char *get_password( const WCHAR *passwd, ULONG passwd_len )
static char *get_password_unixcp( const WCHAR *passwd, ULONG passwd_len )
{
int len;
char *ret;
@ -869,145 +880,44 @@ static char *get_password( const WCHAR *passwd, ULONG passwd_len )
return ret;
}
static NTSTATUS init_creds( const SEC_WINNT_AUTH_IDENTITY_W *id )
{
char *user_at_domain, *password;
krb5_context ctx;
krb5_principal principal = NULL;
krb5_get_init_creds_opt *options = NULL;
krb5_ccache cache = NULL;
krb5_creds creds;
krb5_error_code err;
if (!id) return STATUS_SUCCESS;
if (id->Flags & SEC_WINNT_AUTH_IDENTITY_ANSI)
{
FIXME( "ANSI identity not supported\n" );
return SEC_E_UNSUPPORTED_FUNCTION;
}
if (!(user_at_domain = get_user_at_domain( id->User, id->UserLength, id->Domain, id->DomainLength )))
{
return SEC_E_INSUFFICIENT_MEMORY;
}
if (!(password = get_password( id->Password, id->PasswordLength )))
{
heap_free( user_at_domain );
return SEC_E_INSUFFICIENT_MEMORY;
}
if ((err = p_krb5_init_context( &ctx )))
{
heap_free( password );
heap_free( user_at_domain );
return krb5_error_to_status( err );
}
if ((err = p_krb5_parse_name_flags( ctx, user_at_domain, 0, &principal ))) goto done;
if ((err = p_krb5_cc_default( ctx, &cache ))) goto done;
if ((err = p_krb5_get_init_creds_opt_alloc( ctx, &options ))) goto done;
if ((err = p_krb5_get_init_creds_opt_set_out_ccache( ctx, options, cache ))) goto done;
if ((err = p_krb5_get_init_creds_password( ctx, &creds, principal, password, 0, NULL, 0, NULL, 0 ))) goto done;
if ((err = p_krb5_cc_initialize( ctx, cache, principal ))) goto done;
if ((err = p_krb5_cc_store_cred( ctx, cache, &creds ))) goto done;
TRACE( "success\n" );
p_krb5_free_cred_contents( ctx, &creds );
done:
if (cache) p_krb5_cc_close( ctx, cache );
if (principal) p_krb5_free_principal( ctx, principal );
if (options) p_krb5_get_init_creds_opt_free( ctx, options );
p_krb5_free_context( ctx );
heap_free( user_at_domain );
heap_free( password );
return krb5_error_to_status( err );
}
static NTSTATUS acquire_credentials_handle( UNICODE_STRING *principal_us, gss_cred_usage_t cred_usage,
LSA_SEC_HANDLE *credential, TimeStamp *ts_expiry )
{
OM_uint32 ret, minor_status, expiry_time;
gss_name_t principal = GSS_C_NO_NAME;
gss_cred_id_t cred_handle;
NTSTATUS status;
if (principal_us && ((status = name_sspi_to_gss( principal_us, &principal )) != SEC_E_OK)) return status;
ret = pgss_acquire_cred( &minor_status, principal, GSS_C_INDEFINITE, GSS_C_NULL_OID_SET, cred_usage,
&cred_handle, NULL, &expiry_time );
TRACE( "gss_acquire_cred returned %08x minor status %08x\n", ret, minor_status );
if (GSS_ERROR(ret)) trace_gss_status( ret, minor_status );
if (ret == GSS_S_COMPLETE)
{
credhandle_gss_to_sspi( cred_handle, credential );
expirytime_gss_to_sspi( expiry_time, ts_expiry );
}
if (principal != GSS_C_NO_NAME) pgss_release_name( &minor_status, &principal );
return status_gss_to_sspi( ret );
}
#endif /* SONAME_LIBGSSAPI_KRB5 */
static NTSTATUS NTAPI kerberos_SpAcquireCredentialsHandle(
UNICODE_STRING *principal_us, ULONG credential_use, LUID *logon_id, void *auth_data,
void *get_key_fn, void *get_key_arg, LSA_SEC_HANDLE *credential, TimeStamp *ts_expiry )
void *get_key_fn, void *get_key_arg, LSA_SEC_HANDLE *credential, TimeStamp *expiry )
{
#ifdef SONAME_LIBGSSAPI_KRB5
gss_cred_usage_t cred_usage;
NTSTATUS status;
char *principal = NULL, *username = NULL, *password = NULL;
SEC_WINNT_AUTH_IDENTITY_W *id = auth_data;
NTSTATUS status = SEC_E_INSUFFICIENT_MEMORY;
TRACE( "(%s 0x%08x %p %p %p %p %p %p)\n", debugstr_us(principal_us), credential_use,
logon_id, auth_data, get_key_fn, get_key_arg, credential, ts_expiry );
logon_id, auth_data, get_key_fn, get_key_arg, credential, expiry );
switch (credential_use)
if (principal_us && !(principal = get_str_unixcp( principal_us ))) return SEC_E_INSUFFICIENT_MEMORY;
if (id)
{
case SECPKG_CRED_INBOUND:
cred_usage = GSS_C_ACCEPT;
break;
case SECPKG_CRED_OUTBOUND:
if ((status = init_creds( auth_data )) != STATUS_SUCCESS) return status;
cred_usage = GSS_C_INITIATE;
break;
case SECPKG_CRED_BOTH:
cred_usage = GSS_C_BOTH;
break;
default:
return SEC_E_UNKNOWN_CREDENTIALS;
if (id->Flags & SEC_WINNT_AUTH_IDENTITY_ANSI)
{
FIXME( "ANSI identity not supported\n" );
status = SEC_E_UNSUPPORTED_FUNCTION;
goto done;
}
if (!(username = get_username_unixcp( id->User, id->UserLength, id->Domain, id->DomainLength ))) goto done;
if (!(password = get_password_unixcp( id->Password, id->PasswordLength ))) goto done;
}
return acquire_credentials_handle( principal_us, cred_usage, credential, ts_expiry );
#else
FIXME( "(%s 0x%08x %p %p %p %p %p %p)\n", debugstr_us(principal_us), credential_use,
logon_id, auth_data, get_key_fn, get_key_arg, credential, ts_expiry );
FIXME( "Wine was built without Kerberos support.\n" );
return SEC_E_UNSUPPORTED_FUNCTION;
#endif
status = krb5_funcs->acquire_credentials_handle( principal, credential_use, username, password, credential,
expiry );
done:
heap_free( principal );
heap_free( username );
heap_free( password );
return status;
}
static NTSTATUS NTAPI kerberos_SpFreeCredentialsHandle( LSA_SEC_HANDLE credential )
{
#ifdef SONAME_LIBGSSAPI_KRB5
OM_uint32 ret, minor_status;
gss_cred_id_t cred_handle;
TRACE( "(%lx)\n", credential );
if (!credential) return SEC_E_INVALID_HANDLE;
if (!(cred_handle = credhandle_sspi_to_gss( credential ))) return SEC_E_OK;
ret = pgss_release_cred( &minor_status, &cred_handle );
TRACE( "gss_release_cred returned %08x minor status %08x\n", ret, minor_status );
if (GSS_ERROR(ret)) trace_gss_status( ret, minor_status );
return status_gss_to_sspi( ret );
#else
FIXME( "(%lx)\n", credential );
return SEC_E_UNSUPPORTED_FUNCTION;
#endif
return krb5_funcs->free_credentials_handle( credential );
}
static NTSTATUS NTAPI kerberos_SpInitLsaModeContext( LSA_SEC_HANDLE credential, LSA_SEC_HANDLE context,
@ -1257,11 +1167,15 @@ static NTSTATUS NTAPI kerberos_SpInitialize(ULONG_PTR package_id, SECPKG_PARAMET
{
TRACE("%lu,%p,%p\n", package_id, params, lsa_function_table);
if (!krb5_funcs && __wine_init_unix_lib( instance, DLL_PROCESS_ATTACH, NULL, &krb5_funcs ))
{
WARN( "no Kerberos support\n" );
return STATUS_UNSUCCESSFUL;
}
#ifdef SONAME_LIBGSSAPI_KRB5
if (load_gssapi_krb5()) return STATUS_SUCCESS;
#endif
return STATUS_UNSUCCESSFUL;
return STATUS_SUCCESS;
}
static NTSTATUS NTAPI kerberos_SpShutdown(void)
@ -1644,3 +1558,17 @@ NTSTATUS NTAPI SpUserModeInitialize(ULONG lsa_version, PULONG package_version,
return STATUS_SUCCESS;
}
BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, void *reserved )
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
instance = hinst;
DisableThreadLibraryCalls( hinst );
break;
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}

402
dlls/kerberos/unixlib.c Normal file
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@ -0,0 +1,402 @@
/*
* Unix interface for libkrb5/libgssapi_krb5
*
* Copyright 2017 Dmitry Timoshkov
* Copyright 2017 George Popoff
* Copyright 2008 Robert Shearman for CodeWeavers
* Copyright 2017,2021 Hans Leidekker for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#if 0
#pragma makedep unix
#endif
#include "config.h"
#if defined(SONAME_LIBKRB5) && defined(SONAME_LIBGSSAPI_KRB5)
#include "wine/port.h"
#include <stdarg.h>
#ifdef HAVE_KRB5_KRB5_H
# include <krb5/krb5.h>
#endif
#ifdef HAVE_GSSAPI_GSSAPI_H
# include <gssapi/gssapi.h>
#endif
#ifdef HAVE_GSSAPI_GSSAPI_EXT_H
# include <gssapi/gssapi_ext.h>
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winternl.h"
#include "winbase.h"
#include "rpc.h"
#include "sspi.h"
#include "ntsecapi.h"
#include "ntsecpkg.h"
#include "wine/debug.h"
#include "unixlib.h"
WINE_DEFAULT_DEBUG_CHANNEL(kerberos);
WINE_DECLARE_DEBUG_CHANNEL(winediag);
static void *libkrb5_handle;
#define MAKE_FUNCPTR(f) static typeof(f) * p_##f
MAKE_FUNCPTR( krb5_cc_close );
MAKE_FUNCPTR( krb5_cc_default );
MAKE_FUNCPTR( krb5_cc_end_seq_get );
MAKE_FUNCPTR( krb5_cc_initialize );
MAKE_FUNCPTR( krb5_cc_next_cred );
MAKE_FUNCPTR( krb5_cc_start_seq_get );
MAKE_FUNCPTR( krb5_cc_store_cred );
MAKE_FUNCPTR( krb5_cccol_cursor_free );
MAKE_FUNCPTR( krb5_cccol_cursor_new );
MAKE_FUNCPTR( krb5_cccol_cursor_next );
MAKE_FUNCPTR( krb5_decode_ticket );
MAKE_FUNCPTR( krb5_free_context );
MAKE_FUNCPTR( krb5_free_cred_contents );
MAKE_FUNCPTR( krb5_free_principal );
MAKE_FUNCPTR( krb5_free_ticket );
MAKE_FUNCPTR( krb5_free_unparsed_name );
MAKE_FUNCPTR( krb5_get_init_creds_opt_alloc );
MAKE_FUNCPTR( krb5_get_init_creds_opt_free );
MAKE_FUNCPTR( krb5_get_init_creds_opt_set_out_ccache );
MAKE_FUNCPTR( krb5_get_init_creds_password );
MAKE_FUNCPTR( krb5_init_context );
MAKE_FUNCPTR( krb5_is_config_principal );
MAKE_FUNCPTR( krb5_parse_name_flags );
MAKE_FUNCPTR( krb5_unparse_name_flags );
#undef MAKE_FUNCPTR
static BOOL load_krb5(void)
{
if (!(libkrb5_handle = dlopen( SONAME_LIBKRB5, RTLD_NOW )))
{
WARN_(winediag)( "failed to load %s, Kerberos support will be disabled\n", SONAME_LIBKRB5 );
return FALSE;
}
#define LOAD_FUNCPTR(f) \
if (!(p_##f = dlsym( libkrb5_handle, #f ))) \
{ \
ERR( "failed to load %s\n", #f ); \
goto fail; \
}
LOAD_FUNCPTR( krb5_cc_close )
LOAD_FUNCPTR( krb5_cc_default )
LOAD_FUNCPTR( krb5_cc_end_seq_get )
LOAD_FUNCPTR( krb5_cc_initialize )
LOAD_FUNCPTR( krb5_cc_next_cred )
LOAD_FUNCPTR( krb5_cc_start_seq_get )
LOAD_FUNCPTR( krb5_cc_store_cred )
LOAD_FUNCPTR( krb5_cccol_cursor_free )
LOAD_FUNCPTR( krb5_cccol_cursor_new )
LOAD_FUNCPTR( krb5_cccol_cursor_next )
LOAD_FUNCPTR( krb5_decode_ticket )
LOAD_FUNCPTR( krb5_free_context )
LOAD_FUNCPTR( krb5_free_cred_contents )
LOAD_FUNCPTR( krb5_free_principal )
LOAD_FUNCPTR( krb5_free_ticket )
LOAD_FUNCPTR( krb5_free_unparsed_name )
LOAD_FUNCPTR( krb5_get_init_creds_opt_alloc )
LOAD_FUNCPTR( krb5_get_init_creds_opt_free )
LOAD_FUNCPTR( krb5_get_init_creds_opt_set_out_ccache )
LOAD_FUNCPTR( krb5_get_init_creds_password )
LOAD_FUNCPTR( krb5_init_context )
LOAD_FUNCPTR( krb5_is_config_principal )
LOAD_FUNCPTR( krb5_parse_name_flags )
LOAD_FUNCPTR( krb5_unparse_name_flags )
#undef LOAD_FUNCPTR
return TRUE;
fail:
dlclose( libkrb5_handle );
libkrb5_handle = NULL;
return FALSE;
}
static void unload_krb5(void)
{
dlclose( libkrb5_handle );
libkrb5_handle = NULL;
}
static NTSTATUS krb5_error_to_status( krb5_error_code err )
{
switch (err)
{
case 0: return STATUS_SUCCESS;
default: return STATUS_UNSUCCESSFUL; /* FIXME */
}
}
static void *libgssapi_krb5_handle;
#define MAKE_FUNCPTR(f) static typeof(f) * p##f
MAKE_FUNCPTR( gss_accept_sec_context );
MAKE_FUNCPTR( gss_acquire_cred );
MAKE_FUNCPTR( gss_delete_sec_context );
MAKE_FUNCPTR( gss_display_status );
MAKE_FUNCPTR( gss_get_mic );
MAKE_FUNCPTR( gss_import_name );
MAKE_FUNCPTR( gss_init_sec_context );
MAKE_FUNCPTR( gss_inquire_context );
MAKE_FUNCPTR( gss_release_buffer );
MAKE_FUNCPTR( gss_release_cred );
MAKE_FUNCPTR( gss_release_iov_buffer );
MAKE_FUNCPTR( gss_release_name );
MAKE_FUNCPTR( gss_unwrap );
MAKE_FUNCPTR( gss_unwrap_iov );
MAKE_FUNCPTR( gss_verify_mic );
MAKE_FUNCPTR( gss_wrap );
MAKE_FUNCPTR( gss_wrap_iov );
#undef MAKE_FUNCPTR
static BOOL load_gssapi_krb5(void)
{
if (!(libgssapi_krb5_handle = dlopen( SONAME_LIBGSSAPI_KRB5, RTLD_NOW )))
{
WARN_(winediag)( "failed to load %s, Kerberos support will be disabled\n", SONAME_LIBGSSAPI_KRB5 );
return FALSE;
}
#define LOAD_FUNCPTR(f) \
if (!(p##f = dlsym( libgssapi_krb5_handle, #f ))) \
{ \
ERR( "failed to load %s\n", #f ); \
goto fail; \
}
LOAD_FUNCPTR( gss_accept_sec_context)
LOAD_FUNCPTR( gss_acquire_cred)
LOAD_FUNCPTR( gss_delete_sec_context)
LOAD_FUNCPTR( gss_display_status)
LOAD_FUNCPTR( gss_get_mic)
LOAD_FUNCPTR( gss_import_name)
LOAD_FUNCPTR( gss_init_sec_context)
LOAD_FUNCPTR( gss_inquire_context)
LOAD_FUNCPTR( gss_release_buffer)
LOAD_FUNCPTR( gss_release_cred)
LOAD_FUNCPTR( gss_release_iov_buffer)
LOAD_FUNCPTR( gss_release_name)
LOAD_FUNCPTR( gss_unwrap)
LOAD_FUNCPTR( gss_unwrap_iov)
LOAD_FUNCPTR( gss_verify_mic)
LOAD_FUNCPTR( gss_wrap )
LOAD_FUNCPTR( gss_wrap_iov )
#undef LOAD_FUNCPTR
return TRUE;
fail:
dlclose( libgssapi_krb5_handle );
libgssapi_krb5_handle = NULL;
return FALSE;
}
static NTSTATUS status_gss_to_sspi( OM_uint32 status )
{
switch (status)
{
case GSS_S_COMPLETE: return SEC_E_OK;
case GSS_S_BAD_MECH: return SEC_E_SECPKG_NOT_FOUND;
case GSS_S_BAD_SIG: return SEC_E_MESSAGE_ALTERED;
case GSS_S_NO_CRED: return SEC_E_NO_CREDENTIALS;
case GSS_S_NO_CONTEXT: return SEC_E_INVALID_HANDLE;
case GSS_S_DEFECTIVE_TOKEN: return SEC_E_INVALID_TOKEN;
case GSS_S_DEFECTIVE_CREDENTIAL: return SEC_E_NO_CREDENTIALS;
case GSS_S_CREDENTIALS_EXPIRED: return SEC_E_CONTEXT_EXPIRED;
case GSS_S_CONTEXT_EXPIRED: return SEC_E_CONTEXT_EXPIRED;
case GSS_S_BAD_QOP: return SEC_E_QOP_NOT_SUPPORTED;
case GSS_S_CONTINUE_NEEDED: return SEC_I_CONTINUE_NEEDED;
case GSS_S_DUPLICATE_TOKEN: return SEC_E_INVALID_TOKEN;
case GSS_S_OLD_TOKEN: return SEC_E_INVALID_TOKEN;
case GSS_S_UNSEQ_TOKEN: return SEC_E_OUT_OF_SEQUENCE;
case GSS_S_GAP_TOKEN: return SEC_E_OUT_OF_SEQUENCE;
case GSS_S_FAILURE: return SEC_E_INTERNAL_ERROR;
default:
FIXME( "couldn't convert status 0x%08x to NTSTATUS\n", status );
return SEC_E_INTERNAL_ERROR;
}
}
static void trace_gss_status_ex( OM_uint32 code, int type )
{
OM_uint32 ret, minor_status;
gss_buffer_desc buf;
OM_uint32 msg_ctx = 0;
for (;;)
{
ret = pgss_display_status( &minor_status, code, type, GSS_C_NULL_OID, &msg_ctx, &buf );
if (GSS_ERROR( ret ))
{
TRACE( "gss_display_status(0x%08x,%d) returned %08x minor status %08x\n", code, type, ret, minor_status );
return;
}
TRACE( "GSS-API error: 0x%08x: %s\n", code, debugstr_an(buf.value, buf.length) );
pgss_release_buffer( &minor_status, &buf );
if (!msg_ctx) return;
}
}
static void trace_gss_status( OM_uint32 major_status, OM_uint32 minor_status )
{
if (TRACE_ON(kerberos))
{
trace_gss_status_ex( major_status, GSS_C_GSS_CODE );
trace_gss_status_ex( minor_status, GSS_C_MECH_CODE );
}
}
static inline gss_cred_id_t credhandle_sspi_to_gss( LSA_SEC_HANDLE handle )
{
return (gss_cred_id_t)handle;
}
static inline void credhandle_gss_to_sspi( gss_cred_id_t handle, LSA_SEC_HANDLE *cred )
{
*cred = (LSA_SEC_HANDLE)handle;
}
static void expirytime_gss_to_sspi( OM_uint32 expirytime, TimeStamp *timestamp )
{
LARGE_INTEGER time;
NtQuerySystemTime( &time );
RtlSystemTimeToLocalTime( &time, &time );
timestamp->LowPart = time.QuadPart;
timestamp->HighPart = time.QuadPart >> 32;
}
static NTSTATUS init_creds( const char *user_at_domain, const char *password )
{
krb5_context ctx;
krb5_principal principal = NULL;
krb5_get_init_creds_opt *options = NULL;
krb5_ccache cache = NULL;
krb5_creds creds;
krb5_error_code err;
if (!user_at_domain) return STATUS_SUCCESS;
if ((err = p_krb5_init_context( &ctx ))) return krb5_error_to_status( err );
if ((err = p_krb5_parse_name_flags( ctx, user_at_domain, 0, &principal ))) goto done;
if ((err = p_krb5_cc_default( ctx, &cache ))) goto done;
if ((err = p_krb5_get_init_creds_opt_alloc( ctx, &options ))) goto done;
if ((err = p_krb5_get_init_creds_opt_set_out_ccache( ctx, options, cache ))) goto done;
if ((err = p_krb5_get_init_creds_password( ctx, &creds, principal, password, 0, NULL, 0, NULL, 0 ))) goto done;
if ((err = p_krb5_cc_initialize( ctx, cache, principal ))) goto done;
if ((err = p_krb5_cc_store_cred( ctx, cache, &creds ))) goto done;
TRACE( "success\n" );
p_krb5_free_cred_contents( ctx, &creds );
done:
if (cache) p_krb5_cc_close( ctx, cache );
if (principal) p_krb5_free_principal( ctx, principal );
if (options) p_krb5_get_init_creds_opt_free( ctx, options );
p_krb5_free_context( ctx );
return krb5_error_to_status( err );
}
static NTSTATUS import_name( const char *src, gss_name_t *dst )
{
OM_uint32 ret, minor_status;
gss_buffer_desc buf;
buf.length = strlen( src );
buf.value = (void *)src;
ret = pgss_import_name( &minor_status, &buf, GSS_C_NO_OID, dst );
TRACE( "gss_import_name returned %08x minor status %08x\n", ret, minor_status );
if (GSS_ERROR( ret )) trace_gss_status( ret, minor_status );
return status_gss_to_sspi( ret );
}
static NTSTATUS CDECL acquire_credentials_handle( const char *principal, ULONG credential_use, const char *username,
const char *password, LSA_SEC_HANDLE *credential, TimeStamp *expiry )
{
OM_uint32 ret, minor_status, expiry_time;
gss_name_t name = GSS_C_NO_NAME;
gss_cred_usage_t cred_usage;
gss_cred_id_t cred_handle;
NTSTATUS status;
switch (credential_use)
{
case SECPKG_CRED_INBOUND:
cred_usage = GSS_C_ACCEPT;
break;
case SECPKG_CRED_OUTBOUND:
if ((status = init_creds( username, password )) != STATUS_SUCCESS) return status;
cred_usage = GSS_C_INITIATE;
break;
default:
FIXME( "SECPKG_CRED_BOTH not supported\n" );
return SEC_E_UNKNOWN_CREDENTIALS;
}
if (principal && (status = import_name( principal, &name ))) return status;
ret = pgss_acquire_cred( &minor_status, name, GSS_C_INDEFINITE, GSS_C_NULL_OID_SET, cred_usage, &cred_handle,
NULL, &expiry_time );
TRACE( "gss_acquire_cred returned %08x minor status %08x\n", ret, minor_status );
if (GSS_ERROR( ret )) trace_gss_status( ret, minor_status );
if (ret == GSS_S_COMPLETE)
{
credhandle_gss_to_sspi( cred_handle, credential );
expirytime_gss_to_sspi( expiry_time, expiry );
}
if (name != GSS_C_NO_NAME) pgss_release_name( &minor_status, &name );
return status_gss_to_sspi( ret );
}
static NTSTATUS CDECL free_credentials_handle( LSA_SEC_HANDLE handle )
{
OM_uint32 ret, minor_status;
gss_cred_id_t cred = credhandle_sspi_to_gss( handle );
ret = pgss_release_cred( &minor_status, &cred );
TRACE( "gss_release_cred returned %08x minor status %08x\n", ret, minor_status );
if (GSS_ERROR( ret )) trace_gss_status( ret, minor_status );
return status_gss_to_sspi( ret );
}
static const struct krb5_funcs funcs =
{
acquire_credentials_handle,
free_credentials_handle,
};
NTSTATUS CDECL __wine_init_unix_lib( HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out )
{
if (reason != DLL_PROCESS_ATTACH) return STATUS_SUCCESS;
if (load_krb5() && load_gssapi_krb5())
{
*(const struct krb5_funcs **)ptr_out = &funcs;
return STATUS_SUCCESS;
}
if (libkrb5_handle) unload_krb5();
return STATUS_DLL_NOT_FOUND;
}
#endif /* defined(SONAME_LIBKRB5) && defined(SONAME_LIBGSSAPI_KRB5) */

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dlls/kerberos/unixlib.h Normal file
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@ -0,0 +1,29 @@
/*
* Copyright 2017 Dmitry Timoshkov
* Copyright 2017 George Popoff
* Copyright 2008 Robert Shearman for CodeWeavers
* Copyright 2017,2021 Hans Leidekker for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
struct krb5_funcs
{
NTSTATUS (CDECL *acquire_credentials_handle)(const char *, ULONG, const char *, const char *, LSA_SEC_HANDLE *,
TimeStamp *);
NTSTATUS (CDECL *free_credentials_handle)(LSA_SEC_HANDLE);
};
extern const struct krb5_funcs *krb5_funcs;