C++ (Cpp) make_etype_info2_entry Examples

Example #1

File: kerberos5.c Project: 285858315/samba

static krb5_error_code
get_pa_etype_info2(krb5_context context,
		   krb5_kdc_configuration *config,
		   METHOD_DATA *md, Key *ckey)
{
    krb5_error_code ret = 0;
    ETYPE_INFO2 pa;
    unsigned char *buf;
    size_t len;

    pa.len = 1;
    pa.val = calloc(1, sizeof(pa.val[0]));
    if(pa.val == NULL)
	return ENOMEM;

    ret = make_etype_info2_entry(&pa.val[0], ckey);
    if (ret) {
	free_ETYPE_INFO2(&pa);
	return ret;
    }

    ASN1_MALLOC_ENCODE(ETYPE_INFO2, buf, len, &pa, &len, ret);
    free_ETYPE_INFO2(&pa);
    if(ret)
	return ret;
    ret = realloc_method_data(md);
    if(ret) {
	free(buf);
	return ret;
    }
    md->val[md->len - 1].padata_type = KRB5_PADATA_ETYPE_INFO2;
    md->val[md->len - 1].padata_value.length = len;
    md->val[md->len - 1].padata_value.data = buf;
    return 0;
}

Example #2

File: kerberos5.c Project: 2014-class/freerouter

static krb5_error_code
get_pa_etype_info2(krb5_context context, 
		   krb5_kdc_configuration *config,
		   METHOD_DATA *md, hdb_entry *client, 
		   ENCTYPE *etypes, unsigned int etypes_len)
{
    krb5_error_code ret = 0;
    int i, j;
    unsigned int n = 0;
    ETYPE_INFO2 pa;
    unsigned char *buf;
    size_t len;

    pa.len = client->keys.len;
    if(pa.len > UINT_MAX/sizeof(*pa.val))
	return ERANGE;
    pa.val = malloc(pa.len * sizeof(*pa.val));
    if(pa.val == NULL)
	return ENOMEM;
    memset(pa.val, 0, pa.len * sizeof(*pa.val));

    for(i = 0; i < client->keys.len; i++) {
	for (j = 0; j < n; j++)
	    if (pa.val[j].etype == client->keys.val[i].key.keytype)
		goto skip1;
	for(j = 0; j < etypes_len; j++) {
	    if(client->keys.val[i].key.keytype == etypes[j]) {
		if (krb5_enctype_valid(context, etypes[j]) != 0)
		    continue;
		if (n >= pa.len)
		    krb5_abortx(context, "internal error: n >= p.len");
		if((ret = make_etype_info2_entry(&pa.val[n++], 
						 &client->keys.val[i])) != 0) {
		    free_ETYPE_INFO2(&pa);
		    return ret;
		}
		break;
	    }
	}
    skip1:;
    }
    /* send enctypes that the client doesn't know about too */
    for(i = 0; i < client->keys.len; i++) {
	/* already added? */
	for(j = 0; j < etypes_len; j++) {
	    if(client->keys.val[i].key.keytype == etypes[j])
		goto skip2;
	}
	if (krb5_enctype_valid(context, client->keys.val[i].key.keytype) != 0)
	    continue;
	if (n >= pa.len)
	    krb5_abortx(context, "internal error: n >= p.len");
	if((ret = make_etype_info2_entry(&pa.val[n++],
					 &client->keys.val[i])) != 0) {
	    free_ETYPE_INFO2(&pa);
	    return ret;
	}
      skip2:;
    }
    
    if(n < pa.len) {
	/* stripped out dups, and not valid enctypes */
 	pa.len = n;
    }

    ASN1_MALLOC_ENCODE(ETYPE_INFO2, buf, len, &pa, &len, ret);
    free_ETYPE_INFO2(&pa);
    if(ret)
	return ret;
    ret = realloc_method_data(md);
    if(ret) {
	free(buf);
	return ret;
    }
    md->val[md->len - 1].padata_type = KRB5_PADATA_ETYPE_INFO2;
    md->val[md->len - 1].padata_value.length = len;
    md->val[md->len - 1].padata_value.data = buf;
    return 0;
}