C++ (Cpp) get_default_realm Examples

Example #1

File: hostrealm.c Project: ajanikow/krb5

krb5_error_code KRB5_CALLCONV
krb5_get_default_realm(krb5_context context, char **realm_out)
{
    krb5_error_code ret;

    *realm_out = NULL;

    if (context == NULL || context->magic != KV5M_CONTEXT)
        return KV5M_CONTEXT;

    if (context->default_realm == NULL) {
        ret = get_default_realm(context, &context->default_realm);
        if (ret)
            return ret;
    }
    *realm_out = strdup(context->default_realm);
    return (*realm_out == NULL) ? ENOMEM : 0;
}

Example #2

File: kinit.c Project: brianmay/heimdal

static void
get_princ_kt(krb5_context context,
	     krb5_principal *principal,
	     char *name)
{
    krb5_error_code ret;
    krb5_principal tmp;
    krb5_ccache ccache;
    krb5_kt_cursor cursor;
    krb5_keytab_entry entry;
    char *def_realm;

    if (name == NULL) {
	/*
	 * If the credential cache exists and specifies a client principal,
	 * use that.
	 */
	if (krb5_cc_default(context, &ccache) == 0) {
	    ret = krb5_cc_get_principal(context, ccache, principal);
	    krb5_cc_close(context, ccache);
	    if (ret == 0)
		return;
	}
    }

    if (name) {
	/* If the principal specifies an explicit realm, just use that. */
	int parseflags = KRB5_PRINCIPAL_PARSE_NO_DEF_REALM;

	parse_name_realm(context, name, parseflags, NULL, &tmp);
	if (krb5_principal_get_realm(context, tmp) != NULL) {
	    *principal = tmp;
	    return;
	}
    } else {
	/* Otherwise, search keytab for bare name of the default principal. */
	get_default_principal(context, &tmp);
	set_princ_realm(context, tmp, NULL);
    }

    def_realm = get_default_realm(context);

    ret = krb5_kt_start_seq_get(context, kt, &cursor);
    if (ret)
	krb5_err(context, 1, ret, "krb5_kt_start_seq_get");

    while (ret == 0 &&
           krb5_kt_next_entry(context, kt, &entry, &cursor) == 0) {
        const char *realm;

        if (!krb5_principal_compare_any_realm(context, tmp, entry.principal))
            continue;
        if (*principal &&
	    krb5_principal_compare(context, *principal, entry.principal))
            continue;
        /* The default realm takes precedence */
        realm = krb5_principal_get_realm(context, entry.principal);
        if (*principal && strcmp(def_realm, realm) == 0) {
            krb5_free_principal(context, *principal);
            ret = krb5_copy_principal(context, entry.principal, principal);
            break;
        }
        if (!*principal)
            ret = krb5_copy_principal(context, entry.principal, principal);
    }
    if (ret != 0 || (ret = krb5_kt_end_seq_get(context, kt, &cursor)) != 0)
	krb5_err(context, 1, ret, "get_princ_kt");
    if (!*principal) {
	if (name)
	    parse_name_realm(context, name, 0, NULL, principal);
	else
	    krb5_err(context, 1, KRB5_CC_NOTFOUND, "get_princ_kt");
    }

    krb5_free_principal(context, tmp);
    free(def_realm);
}