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