/*
form a binding string from a binding structure
*/
_PUBLIC_ char *dcerpc_binding_string(TALLOC_CTX *mem_ctx, const struct dcerpc_binding *b)
{
char *s = talloc_strdup(mem_ctx, "");
int i;
const char *t_name = NULL;
if (b->transport != NCA_UNKNOWN) {
t_name = derpc_transport_string_by_transport(b->transport);
if (!t_name) {
return NULL;
}
}
if (!GUID_all_zero(&b->object.uuid)) {
s = talloc_asprintf(s, "%s@",
GUID_string(mem_ctx, &b->object.uuid));
}
if (t_name != NULL) {
s = talloc_asprintf_append_buffer(s, "%s:", t_name);
if (s == NULL) {
return NULL;
}
}
if (b->host) {
s = talloc_asprintf_append_buffer(s, "%s", b->host);
}
if (!b->endpoint && !b->options && !b->flags) {
return s;
}
s = talloc_asprintf_append_buffer(s, "[");
if (b->endpoint) {
s = talloc_asprintf_append_buffer(s, "%s", b->endpoint);
}
/* this is a *really* inefficent way of dealing with strings,
but this is rarely called and the strings are always short,
so I don't care */
for (i=0;b->options && b->options[i];i++) {
s = talloc_asprintf_append_buffer(s, ",%s", b->options[i]);
if (!s) return NULL;
}
for (i=0;i<ARRAY_SIZE(ncacn_options);i++) {
if (b->flags & ncacn_options[i].flag) {
s = talloc_asprintf_append_buffer(s, ",%s", ncacn_options[i].name);
if (!s) return NULL;
}
}
s = talloc_asprintf_append_buffer(s, "]");
return s;
}
/*
* epm_Insert
*
* Add the specified entries to an endpoint map.
*/
error_status_t _epm_Insert(struct pipes_struct *p,
struct epm_Insert *r)
{
TALLOC_CTX *tmp_ctx;
error_status_t rc;
NTSTATUS status;
uint32_t i;
struct dcerpc_binding *b;
struct dcesrv_endpoint *ep;
struct dcesrv_iface_list *iflist;
struct dcesrv_iface *iface;
bool add_ep;
/* If this is not a priviledged users, return */
if (p->transport != NCALRPC ||
!is_priviledged_pipe(p->session_info)) {
p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
return EPMAPPER_STATUS_CANT_PERFORM_OP;
}
tmp_ctx = talloc_stackframe();
if (tmp_ctx == NULL) {
return EPMAPPER_STATUS_NO_MEMORY;
}
DEBUG(3, ("_epm_Insert: Trying to add %u new entries.\n",
r->in.num_ents));
for (i = 0; i < r->in.num_ents; i++) {
add_ep = false;
b = NULL;
status = dcerpc_binding_from_tower(tmp_ctx,
&r->in.entries[i].tower->tower,
&b);
if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MEMORY)) {
rc = EPMAPPER_STATUS_NO_MEMORY;
goto done;
}
if (!NT_STATUS_IS_OK(status)) {
rc = EPMAPPER_STATUS_CANT_PERFORM_OP;
goto done;
}
DEBUG(3, ("_epm_Insert: Adding transport %s for %s\n",
derpc_transport_string_by_transport(b->transport),
r->in.entries[i].annotation));
/* Check if the entry already exits */
ep = find_endpoint(endpoint_table, b);
if (ep == NULL) {
/* No entry found, create it */
ep = talloc_zero(NULL, struct dcesrv_endpoint);
if (ep == NULL) {
rc = EPMAPPER_STATUS_NO_MEMORY;
goto done;
}
add_ep = true;
ep->ep_description = talloc_steal(ep, b);
}
/* TODO Replace the entry if the replace flag is set */
/* Create an interface */
iface = talloc(tmp_ctx, struct dcesrv_iface);
if (iface == NULL) {
rc = EPMAPPER_STATUS_NO_MEMORY;
goto done;
}
iface->name = talloc_strdup(iface, r->in.entries[i].annotation);
if (iface->name == NULL) {
rc = EPMAPPER_STATUS_NO_MEMORY;
goto done;
}
iface->syntax_id = b->object;
/*
* Check if the rpc service is alrady registered on the
* endpoint.
*/
if (find_interface(ep, iface) != NULL) {
DEBUG(8, ("dcesrv_interface_register: interface '%s' "
"already registered on endpoint\n",
iface->name));
/* FIXME wrong error code? */
rc = EPMAPPER_STATUS_OK;
goto done;
}
/* Create an entry for the interface */
iflist = talloc(ep, struct dcesrv_iface_list);
if (iflist == NULL) {
rc = EPMAPPER_STATUS_NO_MEMORY;
goto done;
}
iflist->iface = talloc_move(iflist, &iface);
/* Finally add the interface on the endpoint */
DLIST_ADD(ep->iface_list, iflist);
/* If it's a new endpoint add it to the endpoint_table */
if (add_ep) {
DLIST_ADD(endpoint_table, ep);
}
}
/*
form a binding string from a binding structure
*/
_PUBLIC_ char *dcerpc_binding_string(TALLOC_CTX *mem_ctx, const struct dcerpc_binding *b)
{
char *s = talloc_strdup(mem_ctx, "");
char *o = s;
int i;
const char *t_name = NULL;
bool option_section = false;
const char *target_hostname = NULL;
if (b->transport != NCA_UNKNOWN) {
t_name = derpc_transport_string_by_transport(b->transport);
if (!t_name) {
talloc_free(o);
return NULL;
}
}
if (!GUID_all_zero(&b->object)) {
o = s;
s = talloc_asprintf_append_buffer(s, "%s@",
GUID_string(mem_ctx, &b->object));
if (s == NULL) {
talloc_free(o);
return NULL;
}
}
if (t_name != NULL) {
o = s;
s = talloc_asprintf_append_buffer(s, "%s:", t_name);
if (s == NULL) {
talloc_free(o);
return NULL;
}
}
if (b->host) {
o = s;
s = talloc_asprintf_append_buffer(s, "%s", b->host);
if (s == NULL) {
talloc_free(o);
return NULL;
}
}
target_hostname = b->target_hostname;
if (target_hostname != NULL && b->host != NULL) {
if (strcmp(target_hostname, b->host) == 0) {
target_hostname = NULL;
}
}
if (b->endpoint) {
option_section = true;
} else if (target_hostname) {
option_section = true;
} else if (b->target_principal) {
option_section = true;
} else if (b->assoc_group_id != 0) {
option_section = true;
} else if (b->options) {
option_section = true;
} else if (b->flags) {
option_section = true;
}
if (!option_section) {
return s;
}
o = s;
s = talloc_asprintf_append_buffer(s, "[");
if (s == NULL) {
talloc_free(o);
return NULL;
}
if (b->endpoint) {
o = s;
s = talloc_asprintf_append_buffer(s, "%s", b->endpoint);
if (s == NULL) {
talloc_free(o);
return NULL;
}
}
for (i=0;i<ARRAY_SIZE(ncacn_options);i++) {
if (!(b->flags & ncacn_options[i].flag)) {
continue;
}
o = s;
s = talloc_asprintf_append_buffer(s, ",%s", ncacn_options[i].name);
if (s == NULL) {
talloc_free(o);
return NULL;
}
}
if (target_hostname) {
o = s;
s = talloc_asprintf_append_buffer(s, ",target_hostname=%s",
b->target_hostname);
if (s == NULL) {
talloc_free(o);
return NULL;
}
}
if (b->target_principal) {
o = s;
s = talloc_asprintf_append_buffer(s, ",target_principal=%s",
b->target_principal);
if (s == NULL) {
talloc_free(o);
return NULL;
}
}
if (b->assoc_group_id != 0) {
o = s;
s = talloc_asprintf_append_buffer(s, ",assoc_group_id=0x%08x",
b->assoc_group_id);
if (s == NULL) {
talloc_free(o);
return NULL;
}
}
for (i=0;b->options && b->options[i];i++) {
o = s;
s = talloc_asprintf_append_buffer(s, ",%s", b->options[i]);
if (s == NULL) {
talloc_free(o);
return NULL;
}
}
o = s;
s = talloc_asprintf_append_buffer(s, "]");
if (s == NULL) {
talloc_free(o);
return NULL;
}
return s;
}
