diff options
Diffstat (limited to 'crypto/heimdal/lib/krb5/mk_safe.c')
| -rw-r--r-- | crypto/heimdal/lib/krb5/mk_safe.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/crypto/heimdal/lib/krb5/mk_safe.c b/crypto/heimdal/lib/krb5/mk_safe.c index 4d848a6..2803d38 100644 --- a/crypto/heimdal/lib/krb5/mk_safe.c +++ b/crypto/heimdal/lib/krb5/mk_safe.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan + * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan * (Royal Institute of Technology, Stockholm, Sweden). * All rights reserved. * @@ -33,7 +33,7 @@ #include <krb5_locl.h> -RCSID("$Id: mk_safe.c,v 1.20 1999/12/02 17:05:11 joda Exp $"); +RCSID("$Id: mk_safe.c,v 1.24 2000/08/18 06:48:40 assar Exp $"); krb5_error_code krb5_mk_safe(krb5_context context, @@ -50,7 +50,7 @@ krb5_mk_safe(krb5_context context, u_char *buf = NULL; size_t buf_size; size_t len; - int tmp_seq; + u_int32_t tmp_seq; krb5_crypto crypto; s.pvno = 5; @@ -64,7 +64,7 @@ krb5_mk_safe(krb5_context context, usec2 = usec2; s.safe_body.usec = &usec2; if (auth_context->flags & KRB5_AUTH_CONTEXT_DO_SEQUENCE) { - tmp_seq = ++auth_context->local_seqnumber; + tmp_seq = auth_context->local_seqnumber; s.safe_body.seq_number = &tmp_seq; } else s.safe_body.seq_number = NULL; @@ -76,13 +76,20 @@ krb5_mk_safe(krb5_context context, s.cksum.checksum.data = NULL; s.cksum.checksum.length = 0; - buf_size = length_KRB_SAFE(&s); buf = malloc(buf_size + 128); /* add some for checksum */ if(buf == NULL) return ENOMEM; ret = encode_KRB_SAFE (buf + buf_size - 1, buf_size, &s, &len); + if (ret) { + free (buf); + return ret; + } ret = krb5_crypto_init(context, auth_context->keyblock, 0, &crypto); + if (ret) { + free (buf); + return ret; + } ret = krb5_create_checksum(context, crypto, KRB5_KU_KRB_SAFE_CKSUM, @@ -111,5 +118,8 @@ krb5_mk_safe(krb5_context context, } memcpy (outbuf->data, buf + buf_size - len, len); free (buf); + if (auth_context->flags & KRB5_AUTH_CONTEXT_DO_SEQUENCE) + auth_context->local_seqnumber = + (auth_context->local_seqnumber + 1) & 0xFFFFFFFF; return 0; } |
