source3/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 3 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, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 /*
  24  * Testbed for loadparm.c/params.c
  25  *
  26  * This module simply loads a specified configuration file and
  27  * if successful, dumps it's contents to stdout. Note that the
  28  * operation is performed with DEBUGLEVEL at 3.
  29  *
  30  * Useful for a quick 'syntax check' of a configuration file.
  31  *
  32  */
  33
  34 #include "includes.h"
  35
  36 extern bool AllowDebugChange;
  37
  38 /***********************************************
  39  Here we do a set of 'hard coded' checks for bad
  40  configuration settings.
  41 ************************************************/
  42
  43 static int do_global_checks(void)
  44 {
  45         int ret = 0;
  46         SMB_STRUCT_STAT st;
  47
  48         if (lp_security() >= SEC_DOMAIN && !lp_encrypted_passwords()) {
  49                 fprintf(stderr, "ERROR: in 'security=domain' mode the 'encrypt passwords' parameter must always be set to 'true'.\n");
  50                 ret = 1;
  51         }
  52
  53         if (lp_wins_support() && lp_wins_server_list()) {
  54                 fprintf(stderr, "ERROR: both 'wins support = true' and 'wins server = <server list>' \
  55 cannot be set in the smb.conf file. nmbd will abort with this setting.\n");
  56                 ret = 1;
  57         }
  58
  59         if (!directory_exist_stat(lp_lockdir(), &st)) {
  60                 fprintf(stderr, "ERROR: lock directory %s does not exist\n",
  61                        lp_lockdir());
  62                 ret = 1;
  63         } else if ((st.st_mode & 0777) != 0755) {
  64                 fprintf(stderr, "WARNING: lock directory %s should have permissions 0755 for browsing to work\n",
  65                        lp_lockdir());
  66                 ret = 1;
  67         }
  68
  69         if (!directory_exist_stat(lp_statedir(), &st)) {
  70                 fprintf(stderr, "ERROR: state directory %s does not exist\n",
  71                        lp_statedir());
  72                 ret = 1;
  73         } else if ((st.st_mode & 0777) != 0755) {
  74                 fprintf(stderr, "WARNING: state directory %s should have permissions 0755 for browsing to work\n",
  75                        lp_statedir());
  76                 ret = 1;
  77         }
  78
  79         if (!directory_exist_stat(lp_cachedir(), &st)) {
  80                 fprintf(stderr, "ERROR: cache directory %s does not exist\n",
  81                        lp_cachedir());
  82                 ret = 1;
  83         } else if ((st.st_mode & 0777) != 0755) {
  84                 fprintf(stderr, "WARNING: cache directory %s should have permissions 0755 for browsing to work\n",
  85                        lp_cachedir());
  86                 ret = 1;
  87         }
  88
  89         if (!directory_exist_stat(lp_piddir(), &st)) {
  90                 fprintf(stderr, "ERROR: pid directory %s does not exist\n",
  91                        lp_piddir());
  92                 ret = 1;
  93         }
  94
  95         if (lp_passdb_expand_explicit()) {
  96                 fprintf(stderr, "WARNING: passdb expand explicit = yes is "
  97                         "deprecated\n");
  98         }
  99
 100         /*
 101          * Password server sanity checks.
 102          */
 103
 104         if((lp_security() == SEC_SERVER || lp_security() >= SEC_DOMAIN) && !lp_passwordserver()) {
 105                 const char *sec_setting;
 106                 if(lp_security() == SEC_SERVER)
 107                         sec_setting = "server";
 108                 else if(lp_security() == SEC_DOMAIN)
 109                         sec_setting = "domain";
 110                 else
 111                         sec_setting = "";
 112
 113                 fprintf(stderr, "ERROR: The setting 'security=%s' requires the 'password server' parameter be set \
 114 to a valid password server.\n", sec_setting );
 115                 ret = 1;
 116         }
 117
 118         /*
 119          * Password chat sanity checks.
 120          */
 121
 122         if(lp_security() == SEC_USER && lp_unix_password_sync()) {
 123
 124                 /*
 125                  * Check that we have a valid lp_passwd_program() if not using pam.
 126                  */
 127
 128 #ifdef WITH_PAM
 129                 if (!lp_pam_password_change()) {
 130 #endif
 131
 132                         if((lp_passwd_program() == NULL) ||
 133                            (strlen(lp_passwd_program()) == 0))
 134                         {
 135                                 fprintf( stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd program' \
 136 parameter.\n" );
 137                                 ret = 1;
 138                         } else {
 139                                 const char *passwd_prog;
 140                                 char *truncated_prog = NULL;
 141                                 const char *p;
 142
 143                                 passwd_prog = lp_passwd_program();
 144                                 p = passwd_prog;
 145                                 next_token_talloc(talloc_tos(),
 146                                                 &p,
 147                                                 &truncated_prog, NULL);
 148                                 if (truncated_prog && access(truncated_prog, F_OK) == -1) {
 149                                         fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and the 'passwd program' (%s) \
 150 cannot be executed (error was %s).\n", truncated_prog, strerror(errno) );
 151                                         ret = 1;
 152                                 }
 153                         }
 154
 155 #ifdef WITH_PAM
 156                 }
 157 #endif
 158
 159                 if(lp_passwd_chat() == NULL) {
 160                         fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \
 161 parameter.\n");
 162                         ret = 1;
 163                 }
 164
 165                 if ((lp_passwd_program() != NULL) &&
 166                     (strlen(lp_passwd_program()) > 0))
 167                 {
 168                         /* check if there's a %u parameter present */
 169                         if(strstr_m(lp_passwd_program(), "%u") == NULL) {
 170                                 fprintf(stderr, "ERROR: the 'passwd program' (%s) requires a '%%u' parameter.\n", lp_passwd_program());
 171                                 ret = 1;
 172                         }
 173                 }
 174
 175                 /*
 176                  * Check that we have a valid script and that it hasn't
 177                  * been written to expect the old password.
 178                  */
 179
 180                 if(lp_encrypted_passwords()) {
 181                         if(strstr_m( lp_passwd_chat(), "%o")!=NULL) {
 182                                 fprintf(stderr, "ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \
 183 via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() );
 184                                 ret = 1;
 185                         }
 186                 }
 187         }
 188
 189         if (strlen(lp_winbind_separator()) != 1) {
 190                 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n");
 191                 ret = 1;
 192         }
 193
 194         if (*lp_winbind_separator() == '+') {
 195                 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n");
 196         }
 197
 198         if (lp_algorithmic_rid_base() < BASE_RID) {
 199                 /* Try to prevent admin foot-shooting, we can't put algorithmic
 200                    rids below 1000, that's the 'well known RIDs' on NT */
 201                 fprintf(stderr,"'algorithmic rid base' must be equal to or above %lu\n", BASE_RID);
 202         }
 203
 204         if (lp_algorithmic_rid_base() & 1) {
 205                 fprintf(stderr,"'algorithmic rid base' must be even.\n");
 206         }
 207
 208 #ifndef HAVE_DLOPEN
 209         if (lp_preload_modules()) {
 210                 fprintf(stderr,"WARNING: 'preload modules = ' set while loading plugins not supported.\n");
 211         }
 212 #endif
 213
 214         if (!lp_passdb_backend()) {
 215                 fprintf(stderr,"ERROR: passdb backend must have a value or be left out\n");
 216         }
 217
 218         if (lp_os_level() > 255) {
 219                 fprintf(stderr,"WARNING: Maximum value for 'os level' is 255!\n");
 220         }
 221
 222         return ret;
 223 }
 224
 225 /**
 226  * per-share logic tests
 227  */
 228 static void do_per_share_checks(int s)
 229 {
 230         const char **deny_list = lp_hostsdeny(s);
 231         const char **allow_list = lp_hostsallow(s);
 232         int i;
 233
 234         if(deny_list) {
 235                 for (i=0; deny_list[i]; i++) {
 236                         char *hasstar = strchr_m(deny_list[i], '*');
 237                         char *hasquery = strchr_m(deny_list[i], '?');
 238                         if(hasstar || hasquery) {
 239                                 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
 240                                            hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) );
 241                         }
 242                 }
 243         }
 244
 245         if(allow_list) {
 246                 for (i=0; allow_list[i]; i++) {
 247                         char *hasstar = strchr_m(allow_list[i], '*');
 248                         char *hasquery = strchr_m(allow_list[i], '?');
 249                         if(hasstar || hasquery) {
 250                                 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
 251                                            hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) );
 252                         }
 253                 }
 254         }
 255
 256         if(lp_level2_oplocks(s) && !lp_oplocks(s)) {
 257                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 258                            Level II oplocks can only be set if oplocks are also set.\n",
 259                            lp_servicename(s) );
 260         }
 261
 262         if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) {
 263                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 264                            Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n",
 265                            lp_servicename(s) );
 266         }
 267         if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) {
 268                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 269                            Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n",
 270                            lp_servicename(s) );
 271         }
 272         if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) {
 273                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 274                            Map system can only work if create mask includes octal 010 (S_IXGRP).\n",
 275                            lp_servicename(s) );
 276         }
 277         if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) {
 278                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 279                            Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n",
 280                            lp_servicename(s) );
 281         }
 282 #ifdef HAVE_CUPS
 283         if (lp_printing(s) == PRINT_CUPS && *(lp_printcommand(s)) != '\0') {
 284                  fprintf(stderr,"Warning: Service %s defines a print command, but \
 285 rameter is ignored when using CUPS libraries.\n",
 286                            lp_servicename(s) );
 287         }
 288 #endif
 289 }
 290
 291  int main(int argc, const char *argv[])
 292 {
 293         const char *config_file = get_dyn_CONFIGFILE();
 294         int s;
 295         static int silent_mode = False;
 296         static int show_all_parameters = False;
 297         int ret = 0;
 298         poptContext pc;
 299         static const char *term_code = "";
 300         static char *parameter_name = NULL;
 301         static const char *section_name = NULL;
 302         static char *new_local_machine = NULL;
 303         const char *cname;
 304         const char *caddr;
 305         static int show_defaults;
 306         static int skip_logic_checks = 0;
 307
 308         struct poptOption long_options[] = {
 309                 POPT_AUTOHELP
 310                 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"},
 311                 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"},
 312                 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
 313                 {"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"},
 314                 {"skip-logic-checks", 'l', POPT_ARG_NONE, &skip_logic_checks, 1, "Skip the global checks"},
 315                 {"show-all-parameters", '\0', POPT_ARG_VAL, &show_all_parameters, True, "Show the parameters, type, possible values" },
 316                 {"parameter-name", '\0', POPT_ARG_STRING, &parameter_name, 0, "Limit testparm to a named parameter" },
 317                 {"section-name", '\0', POPT_ARG_STRING, &section_name, 0, "Limit testparm to a named section" },
 318                 POPT_COMMON_VERSION
 319                 POPT_COMMON_DEBUGLEVEL
 320                 POPT_TABLEEND
 321         };
 322
 323         TALLOC_CTX *frame = talloc_stackframe();
 324
 325         load_case_tables();
 326         /*
 327          * Set the default debug level to 2.
 328          * Allow it to be overridden by the command line,
 329          * not by smb.conf.
 330          */
 331         DEBUGLEVEL_CLASS[DBGC_ALL] = 2;
 332
 333         pc = poptGetContext(NULL, argc, argv, long_options,
 334                             POPT_CONTEXT_KEEP_FIRST);
 335         poptSetOtherOptionHelp(pc, "[OPTION...] <config-file> [host-name] [host-ip]");
 336
 337         while(poptGetNextOpt(pc) != -1);
 338
 339         if (show_all_parameters) {
 340                 show_parameter_list();
 341                 exit(0);
 342         }
 343
 344         setup_logging(poptGetArg(pc), True);
 345
 346         if (poptPeekArg(pc))
 347                 config_file = poptGetArg(pc);
 348
 349         cname = poptGetArg(pc);
 350         caddr = poptGetArg(pc);
 351
 352         poptFreeContext(pc);
 353
 354         if ( cname && ! caddr ) {
 355                 printf ( "ERROR: You must specify both a machine name and an IP address.\n" );
 356                 ret = 1;
 357                 goto done;
 358         }
 359
 360         if (new_local_machine) {
 361                 set_local_machine_name(new_local_machine, True);
 362         }
 363
 364         dbf = x_stderr;
 365         /* Don't let the debuglevel be changed by smb.conf. */
 366         AllowDebugChange = False;
 367
 368         fprintf(stderr,"Load smb config files from %s\n",config_file);
 369
 370         if (!lp_load_with_registry_shares(config_file,False,True,False,True)) {
 371                 fprintf(stderr,"Error loading services.\n");
 372                 ret = 1;
 373                 goto done;
 374         }
 375
 376         fprintf(stderr,"Loaded services file OK.\n");
 377
 378         if (skip_logic_checks == 0) {
 379                 ret = do_global_checks();
 380         }
 381
 382         for (s=0;s<1000;s++) {
 383                 if (VALID_SNUM(s))
 384                         if (strlen(lp_servicename(s)) > 12) {
 385                                 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
 386                                 fprintf(stderr, "These may not be accessible to some older clients.\n" );
 387                                 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" );
 388                                 break;
 389                         }
 390         }
 391
 392         for (s=0;s<1000;s++) {
 393                 if (VALID_SNUM(s) && (skip_logic_checks == 0)) {
 394                         do_per_share_checks(s);
 395                 }
 396         }
 397
 398
 399         if (!section_name && !parameter_name) {
 400                 fprintf(stderr,"Server role: %s\n", server_role_str(lp_server_role()));
 401         }
 402
 403         if (!cname) {
 404                 if (!silent_mode) {
 405                         fprintf(stderr,"Press enter to see a dump of your service definitions\n");
 406                         fflush(stdout);
 407                         getc(stdin);
 408                 }
 409                 if (parameter_name || section_name) {
 410                         bool isGlobal = False;
 411                         s = GLOBAL_SECTION_SNUM;
 412
 413                         if (!section_name) {
 414                                 section_name = GLOBAL_NAME;
 415                                 isGlobal = True;
 416                         } else if ((isGlobal=!strwicmp(section_name, GLOBAL_NAME)) == 0 &&
 417                                  (s=lp_servicenumber(section_name)) == -1) {
 418                                         fprintf(stderr,"Unknown section %s\n",
 419                                                 section_name);
 420                                         ret = 1;
 421                                         goto done;
 422                         }
 423                         if (parameter_name) {
 424                                 if (!dump_a_parameter( s, parameter_name, stdout, isGlobal)) {
 425                                         fprintf(stderr,"Parameter %s unknown for section %s\n",
 426                                                 parameter_name, section_name);
 427                                         ret = 1;
 428                                         goto done;
 429                                 }
 430                         } else {
 431                                 if (isGlobal == True)
 432                                         lp_dump(stdout, show_defaults, 0);
 433                                 else
 434                                         lp_dump_one(stdout, show_defaults, s);
 435                         }
 436                         goto done;
 437                 }
 438
 439                 lp_dump(stdout, show_defaults, lp_numservices());
 440         }
 441
 442         if(cname && caddr){
 443                 /* this is totally ugly, a real `quick' hack */
 444                 for (s=0;s<1000;s++) {
 445                         if (VALID_SNUM(s)) {
 446                                 if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr)
 447                                     && allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) {
 448                                         fprintf(stderr,"Allow connection from %s (%s) to %s\n",
 449                                                    cname,caddr,lp_servicename(s));
 450                                 } else {
 451                                         fprintf(stderr,"Deny connection from %s (%s) to %s\n",
 452                                                    cname,caddr,lp_servicename(s));
 453                                 }
 454                         }
 455                 }
 456         }
 457
 458 done:
 459         gfree_loadparm();
 460         TALLOC_FREE(frame);
 461         return ret;
 462 }
 463