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Diffstat (limited to 'source4/heimdal/lib/gssapi/krb5/compat.c')
| -rw-r--r-- | source4/heimdal/lib/gssapi/krb5/compat.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/source4/heimdal/lib/gssapi/krb5/compat.c b/source4/heimdal/lib/gssapi/krb5/compat.c new file mode 100644 index 0000000000..0caada04f6 --- /dev/null +++ b/source4/heimdal/lib/gssapi/krb5/compat.c @@ -0,0 +1,128 @@ +/* + * Copyright (c) 2003 - 2005 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "krb5/gsskrb5_locl.h" + +RCSID("$Id$"); + + +static krb5_error_code +check_compat(OM_uint32 *minor_status, + krb5_context context, krb5_const_principal name, + const char *option, krb5_boolean *compat, + krb5_boolean match_val) +{ + krb5_error_code ret = 0; + char **p, **q; + krb5_principal match; + + + p = krb5_config_get_strings(context, NULL, "gssapi", + option, NULL); + if(p == NULL) + return 0; + + match = NULL; + for(q = p; *q; q++) { + ret = krb5_parse_name(context, *q, &match); + if (ret) + break; + + if (krb5_principal_match(context, name, match)) { + *compat = match_val; + break; + } + + krb5_free_principal(context, match); + match = NULL; + } + if (match) + krb5_free_principal(context, match); + krb5_config_free_strings(p); + + if (ret) { + if (minor_status) + *minor_status = ret; + return GSS_S_FAILURE; + } + + return 0; +} + +/* + * ctx->ctx_id_mutex is assumed to be locked + */ + +OM_uint32 +_gss_DES3_get_mic_compat(OM_uint32 *minor_status, + gsskrb5_ctx ctx, + krb5_context context) +{ + krb5_boolean use_compat = FALSE; + OM_uint32 ret; + + if ((ctx->more_flags & COMPAT_OLD_DES3_SELECTED) == 0) { + ret = check_compat(minor_status, context, ctx->target, + "broken_des3_mic", &use_compat, TRUE); + if (ret) + return ret; + ret = check_compat(minor_status, context, ctx->target, + "correct_des3_mic", &use_compat, FALSE); + if (ret) + return ret; + + if (use_compat) + ctx->more_flags |= COMPAT_OLD_DES3; + ctx->more_flags |= COMPAT_OLD_DES3_SELECTED; + } + return 0; +} + +#if 0 +OM_uint32 +gss_krb5_compat_des3_mic(OM_uint32 *minor_status, gss_ctx_id_t ctx, int on) +{ + *minor_status = 0; + + HEIMDAL_MUTEX_lock(&ctx->ctx_id_mutex); + if (on) { + ctx->more_flags |= COMPAT_OLD_DES3; + } else { + ctx->more_flags &= ~COMPAT_OLD_DES3; + } + ctx->more_flags |= COMPAT_OLD_DES3_SELECTED; + HEIMDAL_MUTEX_unlock(&ctx->ctx_id_mutex); + + return 0; +} +#endif |