/*
Unix SMB/CIFS implementation.
Test validity of smb.conf
Copyright (C) Karl Auer 1993, 1994-1998
Extensively modified by Andrew Tridgell, 1995
Converted to popt by Jelmer Vernooij (jelmer@nl.linux.org), 2002
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
*/
/*
* Testbed for loadparm.c/params.c
*
* This module simply loads a specified configuration file and
* if successful, dumps it's contents to stdout. Note that the
* operation is performed with DEBUGLEVEL at 3.
*
* Useful for a quick 'syntax check' of a configuration file.
*
*/
#include "includes.h"
extern bool AllowDebugChange;
/***********************************************
Here we do a set of 'hard coded' checks for bad
configuration settings.
************************************************/
static int do_global_checks(void)
{
int ret = 0;
SMB_STRUCT_STAT st;
if (lp_security() >= SEC_DOMAIN && !lp_encrypted_passwords()) {
fprintf(stderr, "ERROR: in 'security=domain' mode the 'encrypt passwords' parameter must always be set to 'true'.\n");
ret = 1;
}
if (lp_wins_support() && lp_wins_server_list()) {
fprintf(stderr, "ERROR: both 'wins support = true' and 'wins server = ' \
cannot be set in the smb.conf file. nmbd will abort with this setting.\n");
ret = 1;
}
if (!directory_exist_stat(lp_lockdir(), &st)) {
fprintf(stderr, "ERROR: lock directory %s does not exist\n",
lp_lockdir());
ret = 1;
} else if ((st.st_mode & 0777) != 0755) {
fprintf(stderr, "WARNING: lock directory %s should have permissions 0755 for browsing to work\n",
lp_lockdir());
ret = 1;
}
if (!directory_exist_stat(lp_piddir(), &st)) {
fprintf(stderr, "ERROR: pid directory %s does not exist\n",
lp_piddir());
ret = 1;
}
if (lp_passdb_expand_explicit()) {
fprintf(stderr, "WARNING: passdb expand explicit = yes is "
"deprecated\n");
}
/*
* Password server sanity checks.
*/
if((lp_security() == SEC_SERVER || lp_security() >= SEC_DOMAIN) && !lp_passwordserver()) {
const char *sec_setting;
if(lp_security() == SEC_SERVER)
sec_setting = "server";
else if(lp_security() == SEC_DOMAIN)
sec_setting = "domain";
else
sec_setting = "";
fprintf(stderr, "ERROR: The setting 'security=%s' requires the 'password server' parameter be set \
to a valid password server.\n", sec_setting );
ret = 1;
}
/*
* Password chat sanity checks.
*/
if(lp_security() == SEC_USER && lp_unix_password_sync()) {
/*
* Check that we have a valid lp_passwd_program() if not using pam.
*/
#ifdef WITH_PAM
if (!lp_pam_password_change()) {
#endif
if((lp_passwd_program() == NULL) ||
(strlen(lp_passwd_program()) == 0))
{
fprintf( stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd program' \
parameter.\n" );
ret = 1;
} else {
const char *passwd_prog;
char *truncated_prog = NULL;
const char *p;
passwd_prog = lp_passwd_program();
p = passwd_prog;
next_token_talloc(talloc_tos(),
&p,
&truncated_prog, NULL);
if (truncated_prog && access(truncated_prog, F_OK) == -1) {
fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and the 'passwd program' (%s) \
cannot be executed (error was %s).\n", truncated_prog, strerror(errno) );
ret = 1;
}
}
#ifdef WITH_PAM
}
#endif
if(lp_passwd_chat() == NULL) {
fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \
parameter.\n");
ret = 1;
}
if ((lp_passwd_program() != NULL) &&
(strlen(lp_passwd_program()) > 0))
{
/* check if there's a %u parameter present */
if(strstr_m(lp_passwd_program(), "%u") == NULL) {
fprintf(stderr, "ERROR: the 'passwd program' (%s) requires a '%%u' parameter.\n", lp_passwd_program());
ret = 1;
}
}
/*
* Check that we have a valid script and that it hasn't
* been written to expect the old password.
*/
if(lp_encrypted_passwords()) {
if(strstr_m( lp_passwd_chat(), "%o")!=NULL) {
fprintf(stderr, "ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \
via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() );
ret = 1;
}
}
}
if (strlen(lp_winbind_separator()) != 1) {
fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n");
ret = 1;
}
if (*lp_winbind_separator() == '+') {
fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n");
}
if (lp_algorithmic_rid_base() < BASE_RID) {
/* Try to prevent admin foot-shooting, we can't put algorithmic
rids below 1000, that's the 'well known RIDs' on NT */
fprintf(stderr,"'algorithmic rid base' must be equal to or above %lu\n", BASE_RID);
}
if (lp_algorithmic_rid_base() & 1) {
fprintf(stderr,"'algorithmic rid base' must be even.\n");
}
#ifndef HAVE_DLOPEN
if (lp_preload_modules()) {
fprintf(stderr,"WARNING: 'preload modules = ' set while loading plugins not supported.\n");
}
#endif
if (!lp_passdb_backend()) {
fprintf(stderr,"ERROR: passdb backend must have a value or be left out\n");
}
if (lp_os_level() > 255) {
fprintf(stderr,"WARNING: Maximum value for 'os level' is 255!\n");
}
return ret;
}
/**
* per-share logic tests
*/
static void do_per_share_checks(int s)
{
const char **deny_list = lp_hostsdeny(s);
const char **allow_list = lp_hostsallow(s);
int i;
if(deny_list) {
for (i=0; deny_list[i]; i++) {
char *hasstar = strchr_m(deny_list[i], '*');
char *hasquery = strchr_m(deny_list[i], '?');
if(hasstar || hasquery) {
fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) );
}
}
}
if(allow_list) {
for (i=0; allow_list[i]; i++) {
char *hasstar = strchr_m(allow_list[i], '*');
char *hasquery = strchr_m(allow_list[i], '?');
if(hasstar || hasquery) {
fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) );
}
}
}
if(lp_level2_oplocks(s) && !lp_oplocks(s)) {
fprintf(stderr,"Invalid combination of parameters for service %s. \
Level II oplocks can only be set if oplocks are also set.\n",
lp_servicename(s) );
}
if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) {
fprintf(stderr,"Invalid combination of parameters for service %s. \
Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n",
lp_servicename(s) );
}
if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) {
fprintf(stderr,"Invalid combination of parameters for service %s. \
Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n",
lp_servicename(s) );
}
if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) {
fprintf(stderr,"Invalid combination of parameters for service %s. \
Map system can only work if create mask includes octal 010 (S_IXGRP).\n",
lp_servicename(s) );
}
if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) {
fprintf(stderr,"Invalid combination of parameters for service %s. \
Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n",
lp_servicename(s) );
}
#ifdef HAVE_CUPS
if (lp_printing(s) == PRINT_CUPS && *(lp_printcommand(s)) != '\0') {
fprintf(stderr,"Warning: Service %s defines a print command, but \
rameter is ignored when using CUPS libraries.\n",
lp_servicename(s) );
}
#endif
}
int main(int argc, const char *argv[])
{
const char *config_file = get_dyn_CONFIGFILE();
int s;
static int silent_mode = False;
static int show_all_parameters = False;
int ret = 0;
poptContext pc;
static const char *term_code = "";
static char *parameter_name = NULL;
static const char *section_name = NULL;
static char *new_local_machine = NULL;
const char *cname;
const char *caddr;
static int show_defaults;
static int skip_logic_checks = 0;
struct poptOption long_options[] = {
POPT_AUTOHELP
{"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"},
{"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"},
{"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
{"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"},
{"skip-logic-checks", 'l', POPT_ARG_NONE, &skip_logic_checks, 1, "Skip the global checks"},
{"show-all-parameters", '\0', POPT_ARG_VAL, &show_all_parameters, True, "Show the parameters, type, possible values" },
{"parameter-name", '\0', POPT_ARG_STRING, ¶meter_name, 0, "Limit testparm to a named parameter" },
{"section-name", '\0', POPT_ARG_STRING, §ion_name, 0, "Limit testparm to a named section" },
POPT_COMMON_VERSION
POPT_COMMON_DEBUGLEVEL
POPT_TABLEEND
};
TALLOC_CTX *frame = talloc_stackframe();
load_case_tables();
/*
* Set the default debug level to 2.
* Allow it to be overridden by the command line,
* not by smb.conf.
*/
DEBUGLEVEL_CLASS[DBGC_ALL] = 2;
pc = poptGetContext(NULL, argc, argv, long_options,
POPT_CONTEXT_KEEP_FIRST);
poptSetOtherOptionHelp(pc, "[OPTION...] [host-name] [host-ip]");
while(poptGetNextOpt(pc) != -1);
if (show_all_parameters) {
show_parameter_list();
exit(0);
}
setup_logging(poptGetArg(pc), True);
if (poptPeekArg(pc))
config_file = poptGetArg(pc);
cname = poptGetArg(pc);
caddr = poptGetArg(pc);
poptFreeContext(pc);
if ( cname && ! caddr ) {
printf ( "ERROR: You must specify both a machine name and an IP address.\n" );
ret = 1;
goto done;
}
if (new_local_machine) {
set_local_machine_name(new_local_machine, True);
}
dbf = x_stderr;
/* Don't let the debuglevel be changed by smb.conf. */
AllowDebugChange = False;
fprintf(stderr,"Load smb config files from %s\n",config_file);
if (!lp_load_with_registry_shares(config_file,False,True,False,True)) {
fprintf(stderr,"Error loading services.\n");
ret = 1;
goto done;
}
fprintf(stderr,"Loaded services file OK.\n");
if (skip_logic_checks == 0) {
ret = do_global_checks();
}
for (s=0;s<1000;s++) {
if (VALID_SNUM(s))
if (strlen(lp_servicename(s)) > 12) {
fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
fprintf(stderr, "These may not be accessible to some older clients.\n" );
fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" );
break;
}
}
for (s=0;s<1000;s++) {
if (VALID_SNUM(s) && (skip_logic_checks == 0)) {
do_per_share_checks(s);
}
}
if (!section_name && !parameter_name) {
fprintf(stderr,"Server role: %s\n", server_role_str(lp_server_role()));
}
if (!cname) {
if (!silent_mode) {
fprintf(stderr,"Press enter to see a dump of your service definitions\n");
fflush(stdout);
getc(stdin);
}
if (parameter_name || section_name) {
bool isGlobal = False;
s = GLOBAL_SECTION_SNUM;
if (!section_name) {
section_name = GLOBAL_NAME;
isGlobal = True;
} else if ((isGlobal=!strwicmp(section_name, GLOBAL_NAME)) == 0 &&
(s=lp_servicenumber(section_name)) == -1) {
fprintf(stderr,"Unknown section %s\n",
section_name);
ret = 1;
goto done;
}
if (parameter_name) {
if (!dump_a_parameter( s, parameter_name, stdout, isGlobal)) {
fprintf(stderr,"Parameter %s unknown for section %s\n",
parameter_name, section_name);
ret = 1;
goto done;
}
} else {
if (isGlobal == True)
lp_dump(stdout, show_defaults, 0);
else
lp_dump_one(stdout, show_defaults, s);
}
goto done;
}
lp_dump(stdout, show_defaults, lp_numservices());
}
if(cname && caddr){
/* this is totally ugly, a real `quick' hack */
for (s=0;s<1000;s++) {
if (VALID_SNUM(s)) {
if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr)
&& allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) {
fprintf(stderr,"Allow connection from %s (%s) to %s\n",
cname,caddr,lp_servicename(s));
} else {
fprintf(stderr,"Deny connection from %s (%s) to %s\n",
cname,caddr,lp_servicename(s));
}
}
}
}
done:
TALLOC_FREE(frame);
gfree_loadparm();
return ret;
}