source/utils/testparm.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Test validity of smb.conf
   4    Copyright (C) Karl Auer 1993, 1994-1998
   5
   6    Extensively modified by Andrew Tridgell, 1995
   7    Converted to popt by Jelmer Vernooij (jelmer@nl.linux.org), 2002
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 /*
  25  * Testbed for loadparm.c/params.c
  26  *
  27  * This module simply loads a specified configuration file and
  28  * if successful, dumps it's contents to stdout. Note that the
  29  * operation is performed with DEBUGLEVEL at 3.
  30  *
  31  * Useful for a quick 'syntax check' of a configuration file.
  32  *
  33  */
  34
  35 #include "includes.h"
  36
  37 extern BOOL AllowDebugChange;
  38
  39 /***********************************************
  40  Here we do a set of 'hard coded' checks for bad
  41  configuration settings.
  42 ************************************************/
  43
  44 static int do_global_checks(void)
  45 {
  46         int ret = 0;
  47         SMB_STRUCT_STAT st;
  48
  49         if (lp_security() >= SEC_DOMAIN && !lp_encrypted_passwords()) {
  50                 fprintf(stderr, "ERROR: in 'security=domain' mode the 'encrypt passwords' parameter must always be set to 'true'.\n");
  51                 ret = 1;
  52         }
  53
  54         if (lp_wins_support() && lp_wins_server_list()) {
  55                 fprintf(stderr, "ERROR: both 'wins support = true' and 'wins server = <server list>' \
  56 cannot be set in the smb.conf file. nmbd will abort with this setting.\n");
  57                 ret = 1;
  58         }
  59
  60         if (!directory_exist(lp_lockdir(), &st)) {
  61                 fprintf(stderr, "ERROR: lock directory %s does not exist\n",
  62                        lp_lockdir());
  63                 ret = 1;
  64         } else if ((st.st_mode & 0777) != 0755) {
  65                 fprintf(stderr, "WARNING: lock directory %s should have permissions 0755 for browsing to work\n",
  66                        lp_lockdir());
  67                 ret = 1;
  68         }
  69
  70         if (!directory_exist(lp_piddir(), &st)) {
  71                 fprintf(stderr, "ERROR: pid directory %s does not exist\n",
  72                        lp_piddir());
  73                 ret = 1;
  74         }
  75
  76         if (lp_passdb_expand_explicit()) {
  77                 fprintf(stderr, "WARNING: passdb expand explicit = yes is "
  78                         "deprecated\n");
  79         }
  80
  81         /*
  82          * Password server sanity checks.
  83          */
  84
  85         if((lp_security() == SEC_SERVER || lp_security() >= SEC_DOMAIN) && !lp_passwordserver()) {
  86                 pstring sec_setting;
  87                 if(lp_security() == SEC_SERVER)
  88                         pstrcpy(sec_setting, "server");
  89                 else if(lp_security() == SEC_DOMAIN)
  90                         pstrcpy(sec_setting, "domain");
  91
  92                 fprintf(stderr, "ERROR: The setting 'security=%s' requires the 'password server' parameter be set \
  93 to a valid password server.\n", sec_setting );
  94                 ret = 1;
  95         }
  96
  97
  98         /*
  99          * Check 'hosts equiv' and 'use rhosts' compatibility with 'hostname lookup' value.
 100          */
 101
 102         if(*lp_hosts_equiv() && !lp_hostname_lookups()) {
 103                 fprintf(stderr, "ERROR: The setting 'hosts equiv = %s' requires that 'hostname lookups = yes'.\n", lp_hosts_equiv());
 104                 ret = 1;
 105         }
 106
 107         /*
 108          * Password chat sanity checks.
 109          */
 110
 111         if(lp_security() == SEC_USER && lp_unix_password_sync()) {
 112
 113                 /*
 114                  * Check that we have a valid lp_passwd_program() if not using pam.
 115                  */
 116
 117 #ifdef WITH_PAM
 118                 if (!lp_pam_password_change()) {
 119 #endif
 120
 121                         if(lp_passwd_program() == NULL) {
 122                                 fprintf( stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd program' \
 123 parameter.\n" );
 124                                 ret = 1;
 125                         } else {
 126                                 pstring passwd_prog;
 127                                 pstring truncated_prog;
 128                                 const char *p;
 129
 130                                 pstrcpy( passwd_prog, lp_passwd_program());
 131                                 p = passwd_prog;
 132                                 *truncated_prog = '\0';
 133                                 next_token(&p, truncated_prog, NULL, sizeof(pstring));
 134
 135                                 if(access(truncated_prog, F_OK) == -1) {
 136                                         fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and the 'passwd program' (%s) \
 137 cannot be executed (error was %s).\n", truncated_prog, strerror(errno) );
 138                                         ret = 1;
 139                                 }
 140
 141              }
 142
 143 #ifdef WITH_PAM
 144                 }
 145 #endif
 146
 147                 if(lp_passwd_chat() == NULL) {
 148                         fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \
 149 parameter.\n");
 150                         ret = 1;
 151                 } else
 152                 /* check if there's a %u parameter present */
 153                 if(strstr_m(lp_passwd_program(), "%u") == NULL) {
 154                         fprintf(stderr, "ERROR: the 'passwd program' (%s) requires a '%%u' parameter.\n", lp_passwd_program());
 155                         ret = 1;
 156                 }
 157
 158                 /*
 159                  * Check that we have a valid script and that it hasn't
 160                  * been written to expect the old password.
 161                  */
 162
 163                 if(lp_encrypted_passwords()) {
 164                         if(strstr_m( lp_passwd_chat(), "%o")!=NULL) {
 165                                 fprintf(stderr, "ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \
 166 via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() );
 167                                 ret = 1;
 168                         }
 169                 }
 170         }
 171
 172         if (strlen(lp_winbind_separator()) != 1) {
 173                 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n");
 174                 ret = 1;
 175         }
 176
 177         if (*lp_winbind_separator() == '+') {
 178                 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n");
 179         }
 180
 181         if (lp_algorithmic_rid_base() < BASE_RID) {
 182                 /* Try to prevent admin foot-shooting, we can't put algorithmic
 183                    rids below 1000, that's the 'well known RIDs' on NT */
 184                 fprintf(stderr,"'algorithmic rid base' must be equal to or above %lu\n", BASE_RID);
 185         }
 186
 187         if (lp_algorithmic_rid_base() & 1) {
 188                 fprintf(stderr,"'algorithmic rid base' must be even.\n");
 189         }
 190
 191 #ifndef HAVE_DLOPEN
 192         if (lp_preload_modules()) {
 193                 fprintf(stderr,"WARNING: 'preload modules = ' set while loading plugins not supported.\n");
 194         }
 195 #endif
 196
 197         if (!lp_passdb_backend()) {
 198                 fprintf(stderr,"ERROR: passdb backend must have a value or be left out\n");
 199         }
 200
 201         return ret;
 202 }
 203
 204  int main(int argc, const char *argv[])
 205 {
 206         const char *config_file = dyn_CONFIGFILE;
 207         int s;
 208         static BOOL silent_mode = False;
 209         static BOOL show_all_parameters = False;
 210         int ret = 0;
 211         poptContext pc;
 212         static const char *term_code = "";
 213         static char *parameter_name = NULL;
 214         static const char *section_name = NULL;
 215         static char *new_local_machine = NULL;
 216         const char *cname;
 217         const char *caddr;
 218         static int show_defaults;
 219
 220         struct poptOption long_options[] = {
 221                 POPT_AUTOHELP
 222                 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"},
 223                 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"},
 224                 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
 225                 {"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"},
 226                 {"show-all-parameters", '\0', POPT_ARG_VAL, &show_all_parameters, True, "Show the parameters, type, possible values" },
 227                 {"parameter-name", '\0', POPT_ARG_STRING, &parameter_name, 0, "Limit testparm to a named parameter" },
 228                 {"section-name", '\0', POPT_ARG_STRING, &section_name, 0, "Limit testparm to a named section" },
 229                 POPT_COMMON_VERSION
 230                 POPT_TABLEEND
 231         };
 232
 233         pc = poptGetContext(NULL, argc, argv, long_options,
 234                             POPT_CONTEXT_KEEP_FIRST);
 235         poptSetOtherOptionHelp(pc, "[OPTION...] <config-file> [host-name] [host-ip]");
 236
 237         while(poptGetNextOpt(pc) != -1);
 238
 239         if (show_all_parameters) {
 240                 show_parameter_list();
 241                 exit(0);
 242         }
 243
 244         setup_logging(poptGetArg(pc), True);
 245
 246         if (poptPeekArg(pc))
 247                 config_file = poptGetArg(pc);
 248
 249         cname = poptGetArg(pc);
 250         caddr = poptGetArg(pc);
 251
 252         if ( cname && ! caddr ) {
 253                 printf ( "ERROR: You must specify both a machine name and an IP address.\n" );
 254                 return(1);
 255         }
 256
 257         if (new_local_machine) {
 258                 set_local_machine_name(new_local_machine, True);
 259         }
 260
 261         dbf = x_stderr;
 262         DEBUGLEVEL = 2;
 263         AllowDebugChange = False;
 264
 265         fprintf(stderr,"Load smb config files from %s\n",config_file);
 266
 267         if (!lp_load(config_file,False,True,False)) {
 268                 fprintf(stderr,"Error loading services.\n");
 269                 return(1);
 270         }
 271
 272         fprintf(stderr,"Loaded services file OK.\n");
 273
 274         ret = do_global_checks();
 275
 276         for (s=0;s<1000;s++) {
 277                 if (VALID_SNUM(s))
 278                         if (strlen(lp_servicename(s)) > 12) {
 279                                 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
 280                                 fprintf(stderr, "These may not be accessible to some older clients.\n" );
 281                                 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" );
 282                                 break;
 283                         }
 284         }
 285
 286         for (s=0;s<1000;s++) {
 287                 if (VALID_SNUM(s)) {
 288                         const char **deny_list = lp_hostsdeny(s);
 289                         const char **allow_list = lp_hostsallow(s);
 290                         int i;
 291                         if(deny_list) {
 292                                 for (i=0; deny_list[i]; i++) {
 293                                         char *hasstar = strchr_m(deny_list[i], '*');
 294                                         char *hasquery = strchr_m(deny_list[i], '?');
 295                                         if(hasstar || hasquery) {
 296                                                 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
 297                                                            hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) );
 298                                         }
 299                                 }
 300                         }
 301
 302                         if(allow_list) {
 303                                 for (i=0; allow_list[i]; i++) {
 304                                         char *hasstar = strchr_m(allow_list[i], '*');
 305                                         char *hasquery = strchr_m(allow_list[i], '?');
 306                                         if(hasstar || hasquery) {
 307                                                 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
 308                                                            hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) );
 309                                         }
 310                                 }
 311                         }
 312
 313                         if(lp_level2_oplocks(s) && !lp_oplocks(s)) {
 314                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 315                                            Level II oplocks can only be set if oplocks are also set.\n",
 316                                            lp_servicename(s) );
 317                         }
 318
 319                         if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) {
 320                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 321                                            Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n",
 322                                            lp_servicename(s) );
 323                         }
 324                         if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) {
 325                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 326                                            Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n",
 327                                            lp_servicename(s) );
 328                         }
 329                         if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) {
 330                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 331                                            Map system can only work if create mask includes octal 010 (S_IXGRP).\n",
 332                                            lp_servicename(s) );
 333                         }
 334                         if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) {
 335                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 336                                            Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n",
 337                                            lp_servicename(s) );
 338                         }
 339 #ifdef HAVE_CUPS
 340                         if (lp_printing(s) == PRINT_CUPS && *(lp_printcommand(s)) != '\0') {
 341                                  fprintf(stderr,"Warning: Service %s defines a print command, but \
 342 print command parameter is ignored when using CUPS libraries.\n",
 343                                            lp_servicename(s) );
 344                         }
 345 #endif
 346                 }
 347         }
 348
 349
 350         if (!silent_mode && !section_name && !parameter_name) {
 351                 fprintf(stderr,"Server role: ");
 352                 switch(lp_server_role()) {
 353                         case ROLE_STANDALONE:
 354                                 fprintf(stderr,"ROLE_STANDALONE\n");
 355                                 break;
 356                         case ROLE_DOMAIN_MEMBER:
 357                                 fprintf(stderr,"ROLE_DOMAIN_MEMBER\n");
 358                                 break;
 359                         case ROLE_DOMAIN_BDC:
 360                                 fprintf(stderr,"ROLE_DOMAIN_BDC\n");
 361                                 break;
 362                         case ROLE_DOMAIN_PDC:
 363                                 fprintf(stderr,"ROLE_DOMAIN_PDC\n");
 364                                 break;
 365                         default:
 366                                 fprintf(stderr,"Unknown -- internal error?\n");
 367                                 break;
 368                 }
 369         }
 370
 371         if (!cname) {
 372                 if (!silent_mode) {
 373                         fprintf(stderr,"Press enter to see a dump of your service definitions\n");
 374                         fflush(stdout);
 375                         getc(stdin);
 376                 }
 377                 if (parameter_name || section_name) {
 378                         BOOL isGlobal = False;
 379                         s = GLOBAL_SECTION_SNUM;
 380
 381                         if (!section_name) {
 382                                 section_name = GLOBAL_NAME;
 383                                 isGlobal = True;
 384                         } else if ((isGlobal=!strwicmp(section_name, GLOBAL_NAME)) == 0 &&
 385                                  (s=lp_servicenumber(section_name)) == -1) {
 386                                         fprintf(stderr,"Unknown section %s\n",
 387                                                 section_name);
 388                                         return(1);
 389                         }
 390                         if (parameter_name) {
 391                                 if (!dump_a_parameter( s, parameter_name, stdout, isGlobal)) {
 392                                         fprintf(stderr,"Parameter %s unknown for section %s\n",
 393                                                 parameter_name, section_name);
 394                                         return(1);
 395                                 }
 396                         } else {
 397                                 if (isGlobal == True)
 398                                         lp_dump(stdout, show_defaults, 0);
 399                                 else
 400                                         lp_dump_one(stdout, show_defaults, s);
 401                         }
 402                         return(ret);
 403                 }
 404
 405                 lp_dump(stdout, show_defaults, lp_numservices());
 406         }
 407
 408         if(cname && caddr){
 409                 /* this is totally ugly, a real `quick' hack */
 410                 for (s=0;s<1000;s++) {
 411                         if (VALID_SNUM(s)) {
 412                                 if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr)
 413                                     && allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) {
 414                                         fprintf(stderr,"Allow connection from %s (%s) to %s\n",
 415                                                    cname,caddr,lp_servicename(s));
 416                                 } else {
 417                                         fprintf(stderr,"Deny connection from %s (%s) to %s\n",
 418                                                    cname,caddr,lp_servicename(s));
 419                                 }
 420                         }
 421                 }
 422         }
 423         return(ret);
 424 }
 425