diff options
Diffstat (limited to 'crypto/heimdal/lib/gssapi/krb5/sequence.c')
| -rw-r--r-- | crypto/heimdal/lib/gssapi/krb5/sequence.c | 102 |
1 files changed, 50 insertions, 52 deletions
diff --git a/crypto/heimdal/lib/gssapi/krb5/sequence.c b/crypto/heimdal/lib/gssapi/krb5/sequence.c index 677a3c8d0778..2e0e7b20f922 100644 --- a/crypto/heimdal/lib/gssapi/krb5/sequence.c +++ b/crypto/heimdal/lib/gssapi/krb5/sequence.c @@ -1,39 +1,37 @@ /* - * Copyright (c) 2003 - 2006 Kungliga Tekniska Högskolan - * (Royal Institute of Technology, Stockholm, Sweden). - * All rights reserved. + * Copyright (c) 2003 - 2006 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: + * 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. + * 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. + * 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. + * 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. + * 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: sequence.c 18334 2006-10-07 22:16:04Z lha $"); +#include "gsskrb5_locl.h" #define DEFAULT_JITTER_WINDOW 20 @@ -57,19 +55,19 @@ msg_order_alloc(OM_uint32 *minor_status, OM_uint32 jitter_window) { size_t len; - + len = jitter_window * sizeof((*o)->elem[0]); len += sizeof(**o); len -= sizeof((*o)->elem[0]); - + *o = calloc(1, len); if (*o == NULL) { *minor_status = ENOMEM; return GSS_S_FAILURE; - } - + } + *minor_status = 0; - return GSS_S_COMPLETE; + return GSS_S_COMPLETE; } /* @@ -78,9 +76,9 @@ msg_order_alloc(OM_uint32 *minor_status, OM_uint32 _gssapi_msg_order_create(OM_uint32 *minor_status, - struct gss_msg_order **o, - OM_uint32 flags, - OM_uint32 seq_num, + struct gss_msg_order **o, + OM_uint32 flags, + OM_uint32 seq_num, OM_uint32 jitter_window, int use_64) { @@ -118,7 +116,7 @@ elem_set(struct gss_msg_order *o, unsigned int slot, OM_uint32 val) } static void -elem_insert(struct gss_msg_order *o, +elem_insert(struct gss_msg_order *o, unsigned int after_slot, OM_uint32 seq_num) { @@ -143,7 +141,7 @@ OM_uint32 _gssapi_msg_order_check(struct gss_msg_order *o, OM_uint32 seq_num) { OM_uint32 r; - int i; + size_t i; if (o == NULL) return GSS_S_COMPLETE; @@ -159,11 +157,11 @@ _gssapi_msg_order_check(struct gss_msg_order *o, OM_uint32 seq_num) r = (o->flags & (GSS_C_REPLAY_FLAG|GSS_C_SEQUENCE_FLAG))==GSS_C_REPLAY_FLAG; - /* sequence number larger then largest sequence number + /* sequence number larger then largest sequence number * or smaller then the first sequence number */ if (seq_num > o->elem[0] || seq_num < o->first_seq - || o->length == 0) + || o->length == 0) { elem_insert(o, 0, seq_num); if (r) { @@ -217,7 +215,7 @@ _gssapi_msg_order_export(krb5_storage *sp, struct gss_msg_order *o) { krb5_error_code kret; OM_uint32 i; - + kret = krb5_store_int32(sp, o->flags); if (kret) return kret; @@ -233,51 +231,51 @@ _gssapi_msg_order_export(krb5_storage *sp, struct gss_msg_order *o) kret = krb5_store_int32(sp, o->first_seq); if (kret) return kret; - + for (i = 0; i < o->jitter_window; i++) { kret = krb5_store_int32(sp, o->elem[i]); if (kret) return kret; } - + return 0; } OM_uint32 _gssapi_msg_order_import(OM_uint32 *minor_status, - krb5_storage *sp, + krb5_storage *sp, struct gss_msg_order **o) { OM_uint32 ret; krb5_error_code kret; int32_t i, flags, start, length, jitter_window, first_seq; - + kret = krb5_ret_int32(sp, &flags); if (kret) goto failed; - ret = krb5_ret_int32(sp, &start); + kret = krb5_ret_int32(sp, &start); if (kret) goto failed; - ret = krb5_ret_int32(sp, &length); + kret = krb5_ret_int32(sp, &length); if (kret) goto failed; - ret = krb5_ret_int32(sp, &jitter_window); + kret = krb5_ret_int32(sp, &jitter_window); if (kret) goto failed; - ret = krb5_ret_int32(sp, &first_seq); + kret = krb5_ret_int32(sp, &first_seq); if (kret) goto failed; - + ret = msg_order_alloc(minor_status, o, jitter_window); if (ret != GSS_S_COMPLETE) return ret; - + (*o)->flags = flags; (*o)->start = start; (*o)->length = length; (*o)->jitter_window = jitter_window; (*o)->first_seq = first_seq; - + for( i = 0; i < jitter_window; i++ ) { kret = krb5_ret_int32(sp, (int32_t*)&((*o)->elem[i])); if (kret) |