[PATCH v2 1/5] kerberos: Move support for SpAcquireCredentialsHandle/SpFreeCredentialsHandle to a new Unix library.
v2: Copy copyright headers. Signed-off-by: Hans Leidekker <hans(a)codeweavers.com> --- dlls/kerberos/Makefile.in | 3 +- dlls/kerberos/krb5_ap.c | 189 ++++++------------ dlls/kerberos/unixlib.c | 402 ++++++++++++++++++++++++++++++++++++++ dlls/kerberos/unixlib.h | 29 +++ 4 files changed, 494 insertions(+), 129 deletions(-) create mode 100644 dlls/kerberos/unixlib.c create mode 100644 dlls/kerberos/unixlib.h diff --git a/dlls/kerberos/Makefile.in b/dlls/kerberos/Makefile.in index f67ba567fb0..ab5e6b59976 100644 --- a/dlls/kerberos/Makefile.in +++ b/dlls/kerberos/Makefile.in @@ -2,4 +2,5 @@ MODULE = kerberos.dll EXTRAINCL = $(KRB5_CFLAGS) $(GSSAPI_CFLAGS) C_SRCS = \ - krb5_ap.c + krb5_ap.c \ + unixlib.c diff --git a/dlls/kerberos/krb5_ap.c b/dlls/kerberos/krb5_ap.c index 44d6b86e019..08265beeceb 100644 --- a/dlls/kerberos/krb5_ap.c +++ b/dlls/kerberos/krb5_ap.c @@ -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 \ @@ -840,8 +845,19 @@ 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 +873,7 @@ 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 +885,44 @@ 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 +1172,15 @@ 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 +1563,17 @@ 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; +} diff --git a/dlls/kerberos/unixlib.c b/dlls/kerberos/unixlib.c new file mode 100644 index 00000000000..7b15f00428a --- /dev/null +++ b/dlls/kerberos/unixlib.c @@ -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) */ diff --git a/dlls/kerberos/unixlib.h b/dlls/kerberos/unixlib.h new file mode 100644 index 00000000000..864c321c59d --- /dev/null +++ b/dlls/kerberos/unixlib.h @@ -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; -- 2.30.2
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Hans Leidekker