int main(int argc, char *argv[])
{
const char *pszTemp;
TimeInit();
setup_logging(argv[0],True);
charset_initialise();
if (argc < 2 || argc > 3)
printf("Usage: testprns printername [printcapfile]\n");
else
{
dbf = sys_fopen("test.log", "w");
if (dbf == NULL) {
printf("Unable to open logfile.\n");
} else {
DEBUGLEVEL = 3;
pszTemp = (argc < 3) ? PRINTCAP_NAME : argv[2];
printf("Looking for printer %s in printcap file %s\n",
argv[1], pszTemp);
if (!pcap_printername_ok(argv[1], pszTemp))
printf("Printer name %s is not valid.\n", argv[1]);
else
printf("Printer name %s is valid.\n", argv[1]);
fclose(dbf);
}
}
return (0);
}
int main(int argc, char *argv[])
{
setup_logging(argv[0],True);
printf("NOTICE: This program is now deprecated and will be removed \n");
printf("in a future Samba release.\n\n");
if (argc != 2)
printf("Usage: testprns printername\n");
else
{
dbf = x_fopen("test.log", O_WRONLY|O_CREAT|O_TRUNC, 0644);
if (dbf == NULL) {
printf("Unable to open logfile.\n");
} else {
DEBUGLEVEL = 3;
printf("Looking for printer %s\n", argv[1]);
load_printers();
if (!pcap_printername_ok(argv[1]))
printf("Printer name %s is not valid.\n", argv[1]);
else
printf("Printer name %s is valid.\n", argv[1]);
x_fclose(dbf);
}
}
return (0);
}
void reload_printers(void)
{
int snum;
int n_services = lp_numservices();
int pnum = lp_servicenumber(PRINTERS_NAME);
const char *pname;
pcap_cache_reload();
/* remove stale printers */
for (snum = 0; snum < n_services; snum++) {
/* avoid removing PRINTERS_NAME or non-autoloaded printers */
if (snum == pnum || !(lp_snum_ok(snum) && lp_print_ok(snum) &&
lp_autoloaded(snum)))
continue;
pname = lp_printername(snum);
if (!pcap_printername_ok(pname)) {
DEBUG(3, ("removing stale printer %s\n", pname));
if (is_printer_published(NULL, snum, NULL))
nt_printer_publish(NULL, snum, SPOOL_DS_UNPUBLISH);
del_a_printer(pname);
lp_killservice(snum);
}
}
load_printers();
}
/****************************************************************************
purge stale printers and reload from pre-populated pcap cache
**************************************************************************/
void reload_printers(struct tevent_context *ev,
struct messaging_context *msg_ctx)
{
int n_services;
int pnum;
int snum;
const char *pname;
n_services = lp_numservices();
pnum = lp_servicenumber(PRINTERS_NAME);
DEBUG(10, ("reloading printer services from pcap cache\n"));
/*
* Add default config for printers added to smb.conf file and remove
* stale printers
*/
for (snum = 0; snum < n_services; snum++) {
/* avoid removing PRINTERS_NAME */
if (snum == pnum) {
continue;
}
/* skip no-printer services */
if (!(lp_snum_ok(snum) && lp_print_ok(snum))) {
continue;
}
pname = lp_printername(snum);
/* check printer, but avoid removing non-autoloaded printers */
if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
DEBUG(3, ("removing stale printer %s\n", pname));
lp_killservice(snum);
}
}
/* Make sure deleted printers are gone */
load_printers(ev, msg_ctx);
}
/***************************************************************************
auto-load some homes and printer services
***************************************************************************/
static void add_auto_printers(void)
{
const char *p;
int pnum = lp_servicenumber(PRINTERS_NAME);
char *str;
char *saveptr;
if (pnum < 0)
return;
if ((str = SMB_STRDUP(lp_auto_services())) == NULL)
return;
for (p = strtok_r(str, LIST_SEP, &saveptr); p;
p = strtok_r(NULL, LIST_SEP, &saveptr)) {
if (lp_servicenumber(p) >= 0)
continue;
if (pcap_printername_ok(p))
lp_add_printer(p, pnum);
}
SAFE_FREE(str);
}
int find_service(fstring service)
{
int iService;
struct smbd_server_connection *sconn = smbd_server_conn;
all_string_sub(service,"\\","/",0);
iService = lp_servicenumber(service);
/* now handle the special case of a home directory */
if (iService < 0) {
char *phome_dir = get_user_home_dir(talloc_tos(), service);
if(!phome_dir) {
/*
* Try mapping the servicename, it may
* be a Windows to unix mapped user name.
*/
if(map_username(sconn, service))
phome_dir = get_user_home_dir(
talloc_tos(), service);
}
DEBUG(3,("checking for home directory %s gave %s\n",service,
phome_dir?phome_dir:"(NULL)"));
iService = add_home_service(service,service /* 'username' */, phome_dir);
}
/* If we still don't have a service, attempt to add it as a printer. */
if (iService < 0) {
int iPrinterService;
if ((iPrinterService = lp_servicenumber(PRINTERS_NAME)) < 0) {
iPrinterService = load_registry_service(PRINTERS_NAME);
}
if (iPrinterService) {
DEBUG(3,("checking whether %s is a valid printer name...\n", service));
if (pcap_printername_ok(service)) {
DEBUG(3,("%s is a valid printer name\n", service));
DEBUG(3,("adding %s as a printer service\n", service));
lp_add_printer(service, iPrinterService);
iService = lp_servicenumber(service);
if (iService < 0) {
DEBUG(0,("failed to add %s as a printer service!\n", service));
}
} else {
DEBUG(3,("%s is not a valid printer name\n", service));
}
}
}
/* Check for default vfs service? Unsure whether to implement this */
if (iService < 0) {
}
if (iService < 0) {
iService = load_registry_service(service);
}
/* Is it a usershare service ? */
if (iService < 0 && *lp_usershare_path()) {
/* Ensure the name is canonicalized. */
strlower_m(service);
iService = load_usershare_service(service);
}
/* just possibly it's a default service? */
if (iService < 0) {
char *pdefservice = lp_defaultservice();
if (pdefservice && *pdefservice && !strequal(pdefservice,service) && !strstr_m(service,"..")) {
/*
* We need to do a local copy here as lp_defaultservice()
* returns one of the rotating lp_string buffers that
* could get overwritten by the recursive find_service() call
* below. Fix from Josef Hinteregger <*****@*****.**>.
*/
char *defservice = SMB_STRDUP(pdefservice);
if (!defservice) {
goto fail;
}
/* Disallow anything except explicit share names. */
if (strequal(defservice,HOMES_NAME) ||
strequal(defservice, PRINTERS_NAME) ||
strequal(defservice, "IPC$")) {
SAFE_FREE(defservice);
goto fail;
}
iService = find_service(defservice);
if (iService >= 0) {
all_string_sub(service, "_","/",0);
iService = lp_add_service(service, iService);
}
SAFE_FREE(defservice);
}
}
if (iService >= 0) {
if (!VALID_SNUM(iService)) {
DEBUG(0,("Invalid snum %d for %s\n",iService, service));
iService = -1;
}
}
fail:
if (iService < 0)
DEBUG(3,("find_service() failed to find service %s\n", service));
return (iService);
}
/**
* @brief Purge stale printer shares and reload from pre-populated pcap cache.
*
* This function should normally only be called as a callback on a successful
* pcap_cache_reload(), or on client enumeration.
*
* @param[in] ev The event context.
*
* @param[in] msg_ctx The messaging context.
*/
void delete_and_reload_printers(struct tevent_context *ev,
struct messaging_context *msg_ctx)
{
int n_services;
int pnum;
int snum;
const char *pname;
bool ok;
time_t pcap_last_update;
TALLOC_CTX *frame = talloc_stackframe();
ok = pcap_cache_loaded(&pcap_last_update);
if (!ok) {
DEBUG(1, ("pcap cache not loaded\n"));
talloc_free(frame);
return;
}
if (reload_last_pcap_time == pcap_last_update) {
DEBUG(5, ("skipping printer reload, already up to date.\n"));
talloc_free(frame);
return;
}
reload_last_pcap_time = pcap_last_update;
/* Get pcap printers updated */
load_printers(ev, msg_ctx);
n_services = lp_numservices();
pnum = lp_servicenumber(PRINTERS_NAME);
DEBUG(10, ("reloading printer services from pcap cache\n"));
/*
* Add default config for printers added to smb.conf file and remove
* stale printers
*/
for (snum = 0; snum < n_services; snum++) {
/* avoid removing PRINTERS_NAME */
if (snum == pnum) {
continue;
}
/* skip no-printer services */
if (!snum_is_shared_printer(snum)) {
continue;
}
pname = lp_printername(frame, snum);
/* check printer, but avoid removing non-autoloaded printers */
if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
lp_killservice(snum);
}
}
/* Make sure deleted printers are gone */
load_printers(ev, msg_ctx);
talloc_free(frame);
}
/****************************************************************************
find a service entry
****************************************************************************/
int find_service(char *service)
{
int iService;
all_string_sub(service,"\\","/",0);
iService = lp_servicenumber(service);
/* now handle the special case of a home directory */
if (iService < 0)
{
int iHomeService;
/* We check that the HOMES_NAME exists before calling expensive
functions like get_user_home_dir */
if ((iHomeService = lp_servicenumber(HOMES_NAME)) >= 0)
{
char *phome_dir = get_user_home_dir(service);
if(!phome_dir)
{
/*
* Try mapping the servicename, it may
* be a Windows to unix mapped user name.
*/
if(map_username(service))
phome_dir = get_user_home_dir(service);
}
DEBUG(3,("checking for home directory %s gave %s\n",service,
phome_dir?phome_dir:"(NULL)"));
if (phome_dir)
{
lp_add_home(service,iHomeService,phome_dir);
iService = lp_servicenumber(service);
}
}
}
#ifdef PRINTING
/* If we still don't have a service, attempt to add it as a printer. */
if (iService < 0)
{
int iPrinterService;
if ((iPrinterService = lp_servicenumber(PRINTERS_NAME)) >= 0)
{
char *pszTemp;
DEBUG(3,("checking whether %s is a valid printer name...\n", service));
pszTemp = PRINTCAP;
if ((pszTemp != NULL) && pcap_printername_ok(service, pszTemp))
{
DEBUG(3,("%s is a valid printer name\n", service));
DEBUG(3,("adding %s as a printer service\n", service));
lp_add_printer(service,iPrinterService);
iService = lp_servicenumber(service);
if (iService < 0)
DEBUG(0,("failed to add %s as a printer service!\n", service));
}
else
DEBUG(3,("%s is not a valid printer name\n", service));
}
}
#endif
/* just possibly it's a default service? */
if (iService < 0)
{
char *pdefservice = lp_defaultservice();
if (pdefservice && *pdefservice &&
!strequal(pdefservice,service) &&
!strstr(service,".."))
{
/*
* We need to do a local copy here as lp_defaultservice()
* returns one of the rotating lp_string buffers that
* could get overwritten by the recursive find_service() call
* below. Fix from Josef Hinteregger <*****@*****.**>.
*/
pstring defservice;
pstrcpy(defservice, pdefservice);
iService = find_service(defservice);
if (iService >= 0)
{
all_string_sub(service,"_","/",0);
iService = lp_add_service(service,iService);
}
}
}
if (iService >= 0)
if (!VALID_SNUM(iService))
{
DEBUG(0,("Invalid snum %d for %s\n",iService,service));
iService = -1;
}
if (iService < 0)
DEBUG(3,("find_service() failed to find service %s\n", service));
return (iService);
}
/**
* @brief Purge stale printers and reload from pre-populated pcap cache.
*
* This function should normally only be called as a callback on a successful
* pcap_cache_reload().
*
* This function can cause DELETION of printers and drivers from our registry,
* so calling it on a failed pcap reload may REMOVE permanently all printers
* and drivers.
*
* @param[in] ev The event context.
*
* @param[in] msg_ctx The messaging context.
*/
static void delete_and_reload_printers_full(struct tevent_context *ev,
struct messaging_context *msg_ctx)
{
struct auth_session_info *session_info = NULL;
struct spoolss_PrinterInfo2 *pinfo2 = NULL;
int n_services;
int pnum;
int snum;
const char *pname;
const char *sname;
NTSTATUS status;
n_services = lp_numservices();
pnum = lp_servicenumber(PRINTERS_NAME);
status = make_session_info_system(talloc_tos(), &session_info);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("reload_printers: "
"Could not create system session_info\n"));
/* can't remove stale printers before we
* are fully initilized */
return;
}
/*
* Add default config for printers added to smb.conf file and remove
* stale printers
*/
for (snum = 0; snum < n_services; snum++) {
/* avoid removing PRINTERS_NAME */
if (snum == pnum) {
continue;
}
/* skip no-printer services */
if (!snum_is_shared_printer(snum)) {
continue;
}
sname = lp_const_servicename(snum);
pname = lp_printername(session_info, snum);
/* check printer, but avoid removing non-autoloaded printers */
if (lp_autoloaded(snum) && !pcap_printername_ok(pname)) {
DEBUG(3, ("removing stale printer %s\n", pname));
if (is_printer_published(session_info, session_info,
msg_ctx,
NULL,
lp_servicename(session_info,
snum),
&pinfo2)) {
nt_printer_publish(session_info,
session_info,
msg_ctx,
pinfo2,
DSPRINT_UNPUBLISH);
TALLOC_FREE(pinfo2);
}
nt_printer_remove(session_info, session_info, msg_ctx,
pname);
} else {
DEBUG(8, ("Adding default registry entry for printer "
"[%s], if it doesn't exist.\n", sname));
nt_printer_add(session_info, session_info, msg_ctx,
sname);
}
}
/* finally, purge old snums */
delete_and_reload_printers();
TALLOC_FREE(session_info);
}
