/* 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 Updated for Samba4 by Andrew Bartlett <abartlet@samba.org> 2006 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 <http://www.gnu.org/licenses/>. */ /* * 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" #include "system/filesys.h" #include "lib/cmdline/popt_common.h" #include "lib/socket/socket.h" #include "param/param.h" #include "param/loadparm.h" /*********************************************** Here we do a set of 'hard coded' checks for bad configuration settings. ************************************************/ static int do_global_checks(struct loadparm_context *lp_ctx) { int ret = 0; if (!directory_exist(lp_lockdir(lp_ctx))) { fprintf(stderr, "ERROR: lock directory %s does not exist\n", lp_lockdir(lp_ctx)); ret = 1; } if (!directory_exist(lp_piddir(lp_ctx))) { fprintf(stderr, "ERROR: pid directory %s does not exist\n", lp_piddir(lp_ctx)); ret = 1; } if (strlen(lp_winbind_separator(lp_ctx)) != 1) { fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n"); ret = 1; } if (*lp_winbind_separator(lp_ctx) == '+') { fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n"); } return ret; } static int do_share_checks(struct loadparm_context *lp_ctx, const char *cname, const char *caddr, bool silent_mode, bool show_defaults, const char *section_name, const char *parameter_name) { int ret = 0; int s; for (s=0;s<lp_numservices(lp_ctx);s++) { struct loadparm_service *service = lp_servicebynum(lp_ctx, s); if (service != NULL) if (strlen(lp_servicename(lp_servicebynum(lp_ctx, 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 not listed in smbclient in Samba 3.0.)\n" ); break; } } for (s=0;s<lp_numservices(lp_ctx);s++) { struct loadparm_service *service = lp_servicebynum(lp_ctx, s); if (service != NULL) { const char **deny_list = lp_hostsdeny(service, lp_default_service(lp_ctx)); const char **allow_list = lp_hostsallow(service, lp_default_service(lp_ctx)); 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(service) ); } } } 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(service) ); } } } } } if (!cname) { if (!silent_mode) { fprintf(stderr,"Press enter to see a dump of your service definitions\n"); fflush(stdout); getc(stdin); } if (section_name != NULL || parameter_name != NULL) { struct loadparm_service *service = NULL; if (!section_name) { section_name = GLOBAL_NAME; service = NULL; } else if ((!strwicmp(section_name, GLOBAL_NAME)) == 0 && (service=lp_service(lp_ctx, section_name)) == NULL) { fprintf(stderr,"Unknown section %s\n", section_name); return(1); } if (!parameter_name) { lp_dump_one(stdout, show_defaults, service, lp_default_service(lp_ctx)); } else { ret = !lp_dump_a_parameter(lp_ctx, service, parameter_name, stdout); } } else { lp_dump(lp_ctx, stdout, show_defaults, lp_numservices(lp_ctx)); } return(ret); } if(cname && caddr){ /* this is totally ugly, a real `quick' hack */ for (s=0;s<lp_numservices(lp_ctx);s++) { struct loadparm_service *service = lp_servicebynum(lp_ctx, s); if (service != NULL) { if (allow_access(NULL, lp_hostsdeny(NULL, lp_default_service(lp_ctx)), lp_hostsallow(NULL, lp_default_service(lp_ctx)), cname, caddr) && allow_access(NULL, lp_hostsdeny(service, lp_default_service(lp_ctx)), lp_hostsallow(service, lp_default_service(lp_ctx)), cname, caddr)) { fprintf(stderr,"Allow connection from %s (%s) to %s\n", cname,caddr,lp_servicename(service)); } else { fprintf(stderr,"Deny connection from %s (%s) to %s\n", cname,caddr,lp_servicename(service)); } } } } return ret; } int main(int argc, const char *argv[]) { int ret = 0; poptContext pc; /* static int show_all_parameters = 0; static char *new_local_machine = NULL; */ static const char *section_name = NULL; static char *parameter_name = NULL; static const char *cname; static const char *caddr; static int silent_mode = false; static int show_defaults = false; /* This must be an 'int', * as we take it as we pass * it's address as an int * pointer */ struct loadparm_context *lp_ctx; struct poptOption long_options[] = { POPT_AUTOHELP {"suppress-prompt", 0, POPT_ARG_NONE, &silent_mode, true, "Suppress prompt for enter"}, {"verbose", 'v', POPT_ARG_NONE, &show_defaults, true, "Show default options too"}, /* We need support for smb.conf macros before this will work again {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"}, */ /* These are harder to do with the new code structure {"show-all-parameters", '\0', POPT_ARG_NONE, &show_all_parameters, 1, "Show the parameters, type, possible values" }, */ {"section-name", '\0', POPT_ARG_STRING, §ion_name, 0, "Limit testparm to a named section" }, {"parameter-name", '\0', POPT_ARG_STRING, ¶meter_name, 0, "Limit testparm to a named parameter" }, {"client-name", '\0', POPT_ARG_STRING, &cname, 0, "Client DNS name for 'hosts allow' checking (should match reverse lookup)"}, {"client-ip", '\0', POPT_ARG_STRING, &caddr, 0, "Client IP address for 'hosts allow' checking"}, POPT_COMMON_SAMBA POPT_COMMON_VERSION { NULL } }; setup_logging(NULL, DEBUG_STDERR); 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); } */ if ( cname && ! caddr ) { printf ( "ERROR: For 'hosts allow' check you must specify both a DNS name and an IP address.\n" ); return(1); } /* We need support for smb.conf macros before this will work again if (new_local_machine) { set_local_machine_name(new_local_machine, True); } */ lp_ctx = cmdline_lp_ctx; /* We need this to force the output */ lp_set_cmdline(lp_ctx, "log level", "2"); fprintf(stderr, "Loaded smb config files from %s\n", lp_configfile(lp_ctx)); if (!lp_load(lp_ctx, lp_configfile(lp_ctx))) { fprintf(stderr,"Error loading services.\n"); return(1); } fprintf(stderr,"Loaded services file OK.\n"); ret = do_global_checks(lp_ctx); ret |= do_share_checks(lp_ctx, cname, caddr, silent_mode, show_defaults, section_name, parameter_name); return(ret); }