/* 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 <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" 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 = <server list>' \ 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_ex_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_statedir(), &st)) { fprintf(stderr, "ERROR: state directory %s does not exist\n", lp_statedir()); ret = 1; } else if ((st.st_ex_mode & 0777) != 0755) { fprintf(stderr, "WARNING: state directory %s should have permissions 0755 for browsing to work\n", lp_statedir()); ret = 1; } if (!directory_exist_stat(lp_cachedir(), &st)) { fprintf(stderr, "ERROR: cache directory %s does not exist\n", lp_cachedir()); ret = 1; } else if ((st.st_ex_mode & 0777) != 0755) { fprintf(stderr, "WARNING: cache directory %s should have permissions 0755 for browsing to work\n", lp_cachedir()); 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 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"}, {"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...] <config-file> [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: gfree_loadparm(); TALLOC_FREE(frame); return ret; }