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Unix SMB/CIFS implementation.
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Test validity of smb.conf
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Copyright (C) Karl Auer 1993, 1994-1998
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Extensively modified by Andrew Tridgell, 1995
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Converted to popt by Jelmer Vernooij (jelmer@nl.linux.org), 2002
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Updated for Samba4 by Andrew Bartlett <abartlet@samba.org> 2006
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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* Testbed for loadparm.c/params.c
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* This module simply loads a specified configuration file and
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* if successful, dumps it's contents to stdout. Note that the
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* operation is performed with DEBUGLEVEL at 3.
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* Useful for a quick 'syntax check' of a configuration file.
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#include "system/filesys.h"
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#include "lib/cmdline/popt_common.h"
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#include "lib/socket/socket.h"
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#include "param/param.h"
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#include "param/loadparm.h"
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/***********************************************
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Here we do a set of 'hard coded' checks for bad
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configuration settings.
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************************************************/
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static int do_global_checks(struct loadparm_context *lp_ctx)
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if (!directory_exist(lp_lockdir(lp_ctx))) {
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fprintf(stderr, "ERROR: lock directory %s does not exist\n",
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if (!directory_exist(lp_piddir(lp_ctx))) {
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fprintf(stderr, "ERROR: pid directory %s does not exist\n",
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if (strlen(lp_winbind_separator(lp_ctx)) != 1) {
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fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n");
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if (*lp_winbind_separator(lp_ctx) == '+') {
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fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n");
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static int do_share_checks(struct loadparm_context *lp_ctx, const char *cname, const char *caddr, bool silent_mode,
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bool show_defaults, const char *section_name, const char *parameter_name)
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for (s=0;s<lp_numservices(lp_ctx);s++) {
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struct loadparm_service *service = lp_servicebynum(lp_ctx, s);
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if (strlen(lp_servicename(lp_servicebynum(lp_ctx, s))) > 12) {
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fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
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fprintf(stderr, "These may not be accessible to some older clients.\n" );
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fprintf(stderr, "(Eg. Windows9x, WindowsMe, and not listed in smbclient in Samba 3.0.)\n" );
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for (s=0;s<lp_numservices(lp_ctx);s++) {
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struct loadparm_service *service = lp_servicebynum(lp_ctx, s);
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if (service != NULL) {
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const char **deny_list = lp_hostsdeny(service, lp_default_service(lp_ctx));
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const char **allow_list = lp_hostsallow(service, lp_default_service(lp_ctx));
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for (i=0; deny_list[i]; i++) {
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char *hasstar = strchr_m(deny_list[i], '*');
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char *hasquery = strchr_m(deny_list[i], '?');
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if(hasstar || hasquery) {
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fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
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hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(service) );
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for (i=0; allow_list[i]; i++) {
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char *hasstar = strchr_m(allow_list[i], '*');
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char *hasquery = strchr_m(allow_list[i], '?');
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if(hasstar || hasquery) {
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fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
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hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(service) );
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fprintf(stderr,"Press enter to see a dump of your service definitions\n");
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if (section_name != NULL || parameter_name != NULL) {
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struct loadparm_service *service = NULL;
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section_name = GLOBAL_NAME;
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} else if ((!strwicmp(section_name, GLOBAL_NAME)) == 0 &&
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(service=lp_service(lp_ctx, section_name)) == NULL) {
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fprintf(stderr,"Unknown section %s\n",
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if (!parameter_name) {
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lp_dump_one(stdout, show_defaults, service, lp_default_service(lp_ctx));
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ret = !lp_dump_a_parameter(lp_ctx, service, parameter_name, stdout);
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lp_dump(lp_ctx, stdout, show_defaults, lp_numservices(lp_ctx));
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/* this is totally ugly, a real `quick' hack */
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for (s=0;s<lp_numservices(lp_ctx);s++) {
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struct loadparm_service *service = lp_servicebynum(lp_ctx, s);
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if (service != NULL) {
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if (allow_access(NULL, lp_hostsdeny(NULL, lp_default_service(lp_ctx)), lp_hostsallow(NULL, lp_default_service(lp_ctx)), cname, caddr)
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&& allow_access(NULL, lp_hostsdeny(service, lp_default_service(lp_ctx)), lp_hostsallow(service, lp_default_service(lp_ctx)), cname, caddr)) {
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fprintf(stderr,"Allow connection from %s (%s) to %s\n",
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cname,caddr,lp_servicename(service));
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fprintf(stderr,"Deny connection from %s (%s) to %s\n",
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cname,caddr,lp_servicename(service));
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int main(int argc, const char *argv[])
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static int show_all_parameters = 0;
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static char *new_local_machine = NULL;
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static const char *section_name = NULL;
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static char *parameter_name = NULL;
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static const char *cname;
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static const char *caddr;
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static int silent_mode = false;
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static int show_defaults = false; /* This must be an 'int',
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* as we take it as we pass
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* it's address as an int
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struct loadparm_context *lp_ctx;
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struct poptOption long_options[] = {
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{"suppress-prompt", 0, POPT_ARG_NONE, &silent_mode, true, "Suppress prompt for enter"},
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{"verbose", 'v', POPT_ARG_NONE, &show_defaults, true, "Show default options too"},
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We need support for smb.conf macros before this will work again
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{"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
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These are harder to do with the new code structure
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{"show-all-parameters", '\0', POPT_ARG_NONE, &show_all_parameters, 1, "Show the parameters, type, possible values" },
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{"section-name", '\0', POPT_ARG_STRING, §ion_name, 0, "Limit testparm to a named section" },
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{"parameter-name", '\0', POPT_ARG_STRING, ¶meter_name, 0, "Limit testparm to a named parameter" },
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{"client-name", '\0', POPT_ARG_STRING, &cname, 0, "Client DNS name for 'hosts allow' checking (should match reverse lookup)"},
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{"client-ip", '\0', POPT_ARG_STRING, &caddr, 0, "Client IP address for 'hosts allow' checking"},
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setup_logging(NULL, DEBUG_STDERR);
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pc = poptGetContext(NULL, argc, argv, long_options,
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POPT_CONTEXT_KEEP_FIRST);
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poptSetOtherOptionHelp(pc, "[OPTION...] [host-name] [host-ip]");
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while(poptGetNextOpt(pc) != -1);
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if (show_all_parameters) {
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show_parameter_list();
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if ( cname && ! caddr ) {
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printf ( "ERROR: For 'hosts allow' check you must specify both a DNS name and an IP address.\n" );
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We need support for smb.conf macros before this will work again
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if (new_local_machine) {
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set_local_machine_name(new_local_machine, True);
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lp_ctx = cmdline_lp_ctx;
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/* We need this to force the output */
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lp_set_cmdline(lp_ctx, "log level", "2");
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fprintf(stderr, "Loaded smb config files from %s\n", lp_configfile(lp_ctx));
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if (!lp_load(lp_ctx, lp_configfile(lp_ctx))) {
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fprintf(stderr,"Error loading services.\n");
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fprintf(stderr,"Loaded services file OK.\n");
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ret = do_global_checks(lp_ctx);
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ret |= do_share_checks(lp_ctx, cname, caddr, silent_mode, show_defaults, section_name, parameter_name);