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-rw-r--r--crypto/heimdal/lib/krb5/rd_safe.c104
1 files changed, 53 insertions, 51 deletions
diff --git a/crypto/heimdal/lib/krb5/rd_safe.c b/crypto/heimdal/lib/krb5/rd_safe.c
index b2fb5c5..e62906b 100644
--- a/crypto/heimdal/lib/krb5/rd_safe.c
+++ b/crypto/heimdal/lib/krb5/rd_safe.c
@@ -1,39 +1,37 @@
/*
- * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
+ * Copyright (c) 1997 - 2003 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_locl.h>
-
-RCSID("$Id: rd_safe.c 19827 2007-01-11 02:54:59Z lha $");
+#include "krb5_locl.h"
static krb5_error_code
verify_checksum(krb5_context context,
@@ -43,7 +41,7 @@ verify_checksum(krb5_context context,
krb5_error_code ret;
u_char *buf;
size_t buf_size;
- size_t len;
+ size_t len = 0;
Checksum c;
krb5_crypto crypto;
krb5_keyblock *key;
@@ -82,7 +80,7 @@ out:
return ret;
}
-krb5_error_code KRB5_LIB_FUNCTION
+KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_rd_safe(krb5_context context,
krb5_auth_context auth_context,
const krb5_data *inbuf,
@@ -93,33 +91,39 @@ krb5_rd_safe(krb5_context context,
KRB_SAFE safe;
size_t len;
- if (outbuf)
- krb5_data_zero(outbuf);
+ krb5_data_zero(outbuf);
- if ((auth_context->flags &
- (KRB5_AUTH_CONTEXT_RET_TIME | KRB5_AUTH_CONTEXT_RET_SEQUENCE)) &&
- outdata == NULL) {
- krb5_set_error_string(context, "rd_safe: need outdata to return data");
- return KRB5_RC_REQUIRED; /* XXX better error, MIT returns this */
+ if ((auth_context->flags &
+ (KRB5_AUTH_CONTEXT_RET_TIME | KRB5_AUTH_CONTEXT_RET_SEQUENCE)))
+ {
+ if (outdata == NULL) {
+ krb5_set_error_message(context, KRB5_RC_REQUIRED,
+ N_("rd_safe: need outdata "
+ "to return data", ""));
+ return KRB5_RC_REQUIRED; /* XXX better error, MIT returns this */
+ }
+ /* if these fields are not present in the safe-part, silently
+ return zero */
+ memset(outdata, 0, sizeof(*outdata));
}
ret = decode_KRB_SAFE (inbuf->data, inbuf->length, &safe, &len);
- if (ret)
+ if (ret)
return ret;
if (safe.pvno != 5) {
ret = KRB5KRB_AP_ERR_BADVERSION;
- krb5_clear_error_string (context);
+ krb5_clear_error_message (context);
goto failure;
}
if (safe.msg_type != krb_safe) {
ret = KRB5KRB_AP_ERR_MSG_TYPE;
- krb5_clear_error_string (context);
+ krb5_clear_error_message (context);
goto failure;
}
if (!krb5_checksum_is_keyed(context, safe.cksum.cksumtype)
|| !krb5_checksum_is_collision_proof(context, safe.cksum.cksumtype)) {
ret = KRB5KRB_AP_ERR_INAPP_CKSUM;
- krb5_clear_error_string (context);
+ krb5_clear_error_message (context);
goto failure;
}
@@ -131,7 +135,7 @@ krb5_rd_safe(krb5_context context,
auth_context->remote_address,
safe.safe_body.s_address)) {
ret = KRB5KRB_AP_ERR_BADADDR;
- krb5_clear_error_string (context);
+ krb5_clear_error_message (context);
goto failure;
}
@@ -143,7 +147,7 @@ krb5_rd_safe(krb5_context context,
auth_context->local_address,
safe.safe_body.r_address)) {
ret = KRB5KRB_AP_ERR_BADADDR;
- krb5_clear_error_string (context);
+ krb5_clear_error_message (context);
goto failure;
}
@@ -157,7 +161,7 @@ krb5_rd_safe(krb5_context context,
safe.safe_body.usec == NULL ||
abs(*safe.safe_body.timestamp - sec) > context->max_skew) {
ret = KRB5KRB_AP_ERR_SKEW;
- krb5_clear_error_string (context);
+ krb5_clear_error_message (context);
goto failure;
}
}
@@ -174,7 +178,7 @@ krb5_rd_safe(krb5_context context,
&& *safe.safe_body.seq_number !=
auth_context->remote_seqnumber)) {
ret = KRB5KRB_AP_ERR_BADORDER;
- krb5_clear_error_string (context);
+ krb5_clear_error_message (context);
goto failure;
}
auth_context->remote_seqnumber++;
@@ -183,22 +187,20 @@ krb5_rd_safe(krb5_context context,
ret = verify_checksum (context, auth_context, &safe);
if (ret)
goto failure;
-
+
outbuf->length = safe.safe_body.user_data.length;
outbuf->data = malloc(outbuf->length);
if (outbuf->data == NULL && outbuf->length != 0) {
ret = ENOMEM;
- krb5_set_error_string (context, "malloc: out of memory");
+ krb5_set_error_message(context, ret, N_("malloc: out of memory", ""));
krb5_data_zero(outbuf);
goto failure;
}
memcpy (outbuf->data, safe.safe_body.user_data.data, outbuf->length);
- if ((auth_context->flags &
+ if ((auth_context->flags &
(KRB5_AUTH_CONTEXT_RET_TIME | KRB5_AUTH_CONTEXT_RET_SEQUENCE))) {
- /* if these fields are not present in the safe-part, silently
- return zero */
- memset(outdata, 0, sizeof(*outdata));
+
if(safe.safe_body.timestamp)
outdata->timestamp = *safe.safe_body.timestamp;
if(safe.safe_body.usec)
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