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(gss_import_sec_context): add error checking, pick up lifetime (if

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there is no lifetime, use GSS_C_INDEFINITE)


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11767 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2003-03-16 18:01:32 +00:00
parent 67c9487313
commit dbb7e9163e
2 changed files with 144 additions and 104 deletions
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124
lib/gssapi/krb5/import_sec_context.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 1999 - 2002 Kungliga Tekniska H<>gskolan
* Copyright (c) 1999 - 2003 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
@@ -57,6 +57,8 @@ gss_import_sec_context (
GSSAPI_KRB5_INIT ();
localp = remotep = NULL;
sp = krb5_storage_from_mem (interprocess_token->value,
interprocess_token->length);
if (sp == NULL) {
@@ -83,99 +85,113 @@ gss_import_sec_context (
/* flags */
krb5_ret_int32 (sp, &flags);
*minor_status = 0;
if (krb5_ret_int32 (sp, &flags) != 0)
goto failure;
/* retrieve the auth context */
ac = (*context_handle)->auth_context;
krb5_ret_int32 (sp, &ac->flags);
if (flags & SC_LOCAL_ADDRESS)
krb5_ret_address (sp, localp = &local);
else
localp = NULL;
if (flags & SC_REMOTE_ADDRESS)
krb5_ret_address (sp, remotep = &remote);
else
remotep = NULL;
if (flags & SC_LOCAL_ADDRESS) {
if (krb5_ret_address (sp, localp = &local) != 0)
goto failure;
}
if (flags & SC_REMOTE_ADDRESS) {
if (krb5_ret_address (sp, remotep = &remote) != 0)
goto failure;
}
krb5_auth_con_setaddrs (gssapi_krb5_context, ac, localp, remotep);
if (localp)
krb5_free_address (gssapi_krb5_context, localp);
if (remotep)
krb5_free_address (gssapi_krb5_context, remotep);
krb5_ret_int16 (sp, &ac->local_port);
krb5_ret_int16 (sp, &ac->remote_port);
localp = remotep = NULL;
if (krb5_ret_int16 (sp, &ac->local_port) != 0)
goto failure;
if (krb5_ret_int16 (sp, &ac->remote_port) != 0)
goto failure;
if (flags & SC_KEYBLOCK) {
krb5_ret_keyblock (sp, &keyblock);
if (krb5_ret_keyblock (sp, &keyblock) != 0)
goto failure;
krb5_auth_con_setkey (gssapi_krb5_context, ac, &keyblock);
krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock);
}
if (flags & SC_LOCAL_SUBKEY) {
krb5_ret_keyblock (sp, &keyblock);
if (krb5_ret_keyblock (sp, &keyblock) != 0)
goto failure;
krb5_auth_con_setlocalsubkey (gssapi_krb5_context, ac, &keyblock);
krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock);
}
if (flags & SC_REMOTE_SUBKEY) {
krb5_ret_keyblock (sp, &keyblock);
if (krb5_ret_keyblock (sp, &keyblock) != 0)
goto failure;
krb5_auth_con_setremotesubkey (gssapi_krb5_context, ac, &keyblock);
krb5_free_keyblock_contents (gssapi_krb5_context, &keyblock);
}
krb5_ret_int32 (sp, &ac->local_seqnumber);
krb5_ret_int32 (sp, &ac->remote_seqnumber);
if (krb5_ret_int32 (sp, &ac->local_seqnumber))
goto failure;
if (krb5_ret_int32 (sp, &ac->remote_seqnumber))
goto failure;
#if 0
{
size_t sz;
krb5_ret_data (sp, &data);
ac->authenticator = malloc (sizeof (*ac->authenticator));
if (ac->authenticator == NULL) {
*minor_status = ENOMEM;
ret = GSS_S_FAILURE;
goto failure;
}
kret = decode_Authenticator (data.data, data.length,
ac->authenticator, &sz);
krb5_data_free (&data);
if (kret) {
*minor_status = kret;
ret = GSS_S_FAILURE;
goto failure;
}
}
#endif
krb5_ret_int32 (sp, &tmp);
if (krb5_ret_int32 (sp, &tmp) != 0)
goto failure;
ac->keytype = tmp;
krb5_ret_int32 (sp, &tmp);
if (krb5_ret_int32 (sp, &tmp) != 0)
goto failure;
ac->cksumtype = tmp;
/* names */
krb5_ret_data (sp, &data);
if (krb5_ret_data (sp, &data))
goto failure;
buffer.value = data.data;
buffer.length = data.length;
ret = gss_import_name (minor_status, &buffer, GSS_C_NO_OID,
ret = gss_import_name (minor_status, &buffer, GSS_C_NT_EXPORT_NAME,
&(*context_handle)->source);
if (ret) {
ret = gss_import_name (minor_status, &buffer, GSS_C_NO_OID,
&(*context_handle)->source);
if (ret) {
krb5_data_free (&data);
goto failure;
}
}
krb5_data_free (&data);
if (ret)
goto failure;
krb5_ret_data (sp, &data);
if (krb5_ret_data (sp, &data) != 0)
goto failure;
buffer.value = data.data;
buffer.length = data.length;
ret = gss_import_name (minor_status, &buffer, GSS_C_NO_OID,
ret = gss_import_name (minor_status, &buffer, GSS_C_NT_EXPORT_NAME,
&(*context_handle)->target);
if (ret) {
ret = gss_import_name (minor_status, &buffer, GSS_C_NO_OID,
&(*context_handle)->target);
if (ret) {
krb5_data_free (&data);
goto failure;
}
}
krb5_data_free (&data);
if (ret)
goto failure;
krb5_ret_int32 (sp, &tmp);
if (krb5_ret_int32 (sp, &tmp))
goto failure;
(*context_handle)->flags = tmp;
krb5_ret_int32 (sp, &tmp);
if (krb5_ret_int32 (sp, &tmp))
goto failure;
(*context_handle)->more_flags = tmp;
if (krb5_ret_int32 (sp, &tmp) == 0)
(*context_handle)->lifetime = tmp;
else
(*context_handle)->lifetime = GSS_C_INDEFINITE;
return GSS_S_COMPLETE;
@@ -186,6 +202,10 @@ failure:
gss_release_name(&minor, &(*context_handle)->source);
if ((*context_handle)->target != NULL)
gss_release_name(&minor, &(*context_handle)->target);
if (localp)
krb5_free_address (gssapi_krb5_context, localp);
if (remotep)
krb5_free_address (gssapi_krb5_context, remotep);
free (*context_handle);
*context_handle = GSS_C_NO_CONTEXT;
return ret;