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allow keytab specifiction to gsskrb5_register_acceptor_identity

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This commit is contained in:
Love Hornquist Astrand
2011-04-07 07:15:01 -07:00
parent 372db4d853
commit 3d36172090
3 changed files with 44 additions and 28 deletions
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42
lib/gssapi/krb5/accept_sec_context.c
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@@ -36,6 +36,24 @@
HEIMDAL_MUTEX gssapi_keytab_mutex = HEIMDAL_MUTEX_INITIALIZER;
krb5_keytab _gsskrb5_keytab;
static krb5_error_code
validate_keytab(krb5_context context, const char *name, krb5_keytab *id)
{
krb5_error_code ret;
ret = krb5_kt_resolve(context, name, id);
if (ret)
return ret;
ret = krb5_kt_have_content(context, *id);
if (ret) {
krb5_kt_close(context, *id);
*id = NULL;
}
return ret;
}
OM_uint32
_gsskrb5_register_acceptor_identity (const char *identity)
{
@@ -55,15 +73,23 @@ _gsskrb5_register_acceptor_identity (const char *identity)
if (identity == NULL) {
ret = krb5_kt_default(context, &_gsskrb5_keytab);
} else {
char *p = NULL;
ret = asprintf(&p, "FILE:%s", identity);
if(ret < 0 || p == NULL) {
HEIMDAL_MUTEX_unlock(&gssapi_keytab_mutex);
return GSS_S_FAILURE;
/*
* First check if we can the keytab as is and if it has content...
*/
ret = validate_keytab(context, identity, &_gsskrb5_keytab);
/*
* if it doesn't, lets prepend FILE: and try again
*/
if (ret) {
char *p = NULL;
ret = asprintf(&p, "FILE:%s", identity);
if(ret < 0 || p == NULL) {
HEIMDAL_MUTEX_unlock(&gssapi_keytab_mutex);
return GSS_S_FAILURE;
}
ret = validate_keytab(context, p, &_gsskrb5_keytab);
free(p);
}
ret = krb5_kt_resolve(context, p, &_gsskrb5_keytab);
free(p);
}
HEIMDAL_MUTEX_unlock(&gssapi_keytab_mutex);
if(ret)