/**
see if a string matches either our primary or one of our secondary
netbios aliases. do a case insensitive match
*/
bool lpcfg_is_myname(struct loadparm_context *lp_ctx, const char *name)
{
const char **aliases;
int i;
if (strcasecmp_m(name, lpcfg_netbios_name(lp_ctx)) == 0) {
return true;
}
aliases = lpcfg_netbios_aliases(lp_ctx);
for (i=0; aliases && aliases[i]; i++) {
if (strcasecmp_m(name, aliases[i]) == 0) {
return true;
}
}
return false;
}
/*
* Check server_name is:
* - "" , functions that don't allow "",
* should check that on their own, before calling this function
* - our name (only netbios yet, TODO: need to test dns name!)
* - our ip address of the current use socket
* otherwise return WERR_INVALID_PRINTER_NAME
*/
static WERROR dcesrv_spoolss_check_server_name(struct dcesrv_call_state *dce_call,
TALLOC_CTX *mem_ctx,
const char *server_name)
{
bool ret;
const struct tsocket_address *local_address;
char *myaddr;
const char **aliases;
const char *dnsdomain;
unsigned int i;
/* NULL is ok */
if (!server_name) return WERR_OK;
/* "" is ok */
ret = strequal("",server_name);
if (ret) return WERR_OK;
/* just "\\" is invalid */
if (strequal("\\\\", server_name)) {
return WERR_INVALID_PRINTER_NAME;
}
/* then we need "\\" */
if (strncmp("\\\\", server_name, 2) != 0) {
return WERR_INVALID_PRINTER_NAME;
}
server_name += 2;
/* NETBIOS NAME is ok */
ret = strequal(lpcfg_netbios_name(dce_call->conn->dce_ctx->lp_ctx), server_name);
if (ret) return WERR_OK;
aliases = lpcfg_netbios_aliases(dce_call->conn->dce_ctx->lp_ctx);
for (i=0; aliases && aliases[i]; i++) {
if (strequal(aliases[i], server_name)) {
return WERR_OK;
}
}
/* DNS NAME is ok
* TODO: we need to check if aliases are also ok
*/
dnsdomain = lpcfg_dnsdomain(dce_call->conn->dce_ctx->lp_ctx);
if (dnsdomain != NULL) {
char *str;
str = talloc_asprintf(mem_ctx, "%s.%s",
lpcfg_netbios_name(dce_call->conn->dce_ctx->lp_ctx),
dnsdomain);
W_ERROR_HAVE_NO_MEMORY(str);
ret = strequal(str, server_name);
talloc_free(str);
if (ret) return WERR_OK;
}
local_address = dcesrv_connection_get_local_address(dce_call->conn);
myaddr = tsocket_address_inet_addr_string(local_address, mem_ctx);
W_ERROR_HAVE_NO_MEMORY(myaddr);
ret = strequal(myaddr, server_name);
talloc_free(myaddr);
if (ret) return WERR_OK;
return WERR_INVALID_PRINTER_NAME;
}
