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(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  int main(int argc, const char *argv[])
 206 {
 207         const char *config_file = get_dyn_CONFIGFILE();
 208         int s;
 209         static int silent_mode = False;
 210         static int show_all_parameters = False;
 211         int ret = 0;
 212         poptContext pc;
 213         static const char *term_code = "";
 214         static char *parameter_name = NULL;
 215         static const char *section_name = NULL;
 216         static char *new_local_machine = NULL;
 217         const char *cname;
 218         const char *caddr;
 219         static int show_defaults;
 220
 221         struct poptOption long_options[] = {
 222                 POPT_AUTOHELP
 223                 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"},
 224                 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"},
 225                 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
 226                 {"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"},
 227                 {"show-all-parameters", '\0', POPT_ARG_VAL, &show_all_parameters, True, "Show the parameters, type, possible values" },
 228                 {"parameter-name", '\0', POPT_ARG_STRING, &parameter_name, 0, "Limit testparm to a named parameter" },
 229                 {"section-name", '\0', POPT_ARG_STRING, &section_name, 0, "Limit testparm to a named section" },
 230                 POPT_COMMON_VERSION
 231                 POPT_TABLEEND
 232         };
 233
 234         TALLOC_CTX *frame = talloc_stackframe();
 235
 236         load_case_tables();
 237
 238         pc = poptGetContext(NULL, argc, argv, long_options,
 239                             POPT_CONTEXT_KEEP_FIRST);
 240         poptSetOtherOptionHelp(pc, "[OPTION...] <config-file> [host-name] [host-ip]");
 241
 242         while(poptGetNextOpt(pc) != -1);
 243
 244         if (show_all_parameters) {
 245                 show_parameter_list();
 246                 exit(0);
 247         }
 248
 249         setup_logging(poptGetArg(pc), True);
 250
 251         if (poptPeekArg(pc))
 252                 config_file = poptGetArg(pc);
 253
 254         cname = poptGetArg(pc);
 255         caddr = poptGetArg(pc);
 256
 257         if ( cname && ! caddr ) {
 258                 printf ( "ERROR: You must specify both a machine name and an IP address.\n" );
 259                 return(1);
 260         }
 261
 262         if (new_local_machine) {
 263                 set_local_machine_name(new_local_machine, True);
 264         }
 265
 266         dbf = x_stderr;
 267         DEBUGLEVEL = 2;
 268         AllowDebugChange = False;
 269
 270         fprintf(stderr,"Load smb config files from %s\n",config_file);
 271
 272         if (!lp_load(config_file,False,True,False,True)) {
 273                 fprintf(stderr,"Error loading services.\n");
 274                 return(1);
 275         }
 276
 277         fprintf(stderr,"Loaded services file OK.\n");
 278
 279         ret = do_global_checks();
 280
 281         for (s=0;s<1000;s++) {
 282                 if (VALID_SNUM(s))
 283                         if (strlen(lp_servicename(s)) > 12) {
 284                                 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
 285                                 fprintf(stderr, "These may not be accessible to some older clients.\n" );
 286                                 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" );
 287                                 break;
 288                         }
 289         }
 290
 291         for (s=0;s<1000;s++) {
 292                 if (VALID_SNUM(s)) {
 293                         const char **deny_list = lp_hostsdeny(s);
 294                         const char **allow_list = lp_hostsallow(s);
 295                         int i;
 296                         if(deny_list) {
 297                                 for (i=0; deny_list[i]; i++) {
 298                                         char *hasstar = strchr_m(deny_list[i], '*');
 299                                         char *hasquery = strchr_m(deny_list[i], '?');
 300                                         if(hasstar || hasquery) {
 301                                                 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
 302                                                            hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) );
 303                                         }
 304                                 }
 305                         }
 306
 307                         if(allow_list) {
 308                                 for (i=0; allow_list[i]; i++) {
 309                                         char *hasstar = strchr_m(allow_list[i], '*');
 310                                         char *hasquery = strchr_m(allow_list[i], '?');
 311                                         if(hasstar || hasquery) {
 312                                                 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
 313                                                            hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) );
 314                                         }
 315                                 }
 316                         }
 317
 318                         if(lp_level2_oplocks(s) && !lp_oplocks(s)) {
 319                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 320                                            Level II oplocks can only be set if oplocks are also set.\n",
 321                                            lp_servicename(s) );
 322                         }
 323
 324                         if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) {
 325                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 326                                            Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n",
 327                                            lp_servicename(s) );
 328                         }
 329                         if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) {
 330                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 331                                            Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n",
 332                                            lp_servicename(s) );
 333                         }
 334                         if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) {
 335                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 336                                            Map system can only work if create mask includes octal 010 (S_IXGRP).\n",
 337                                            lp_servicename(s) );
 338                         }
 339                         if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) {
 340                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 341                                            Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n",
 342                                            lp_servicename(s) );
 343                         }
 344 #ifdef HAVE_CUPS
 345                         if (lp_printing(s) == PRINT_CUPS && *(lp_printcommand(s)) != '\0') {
 346                                  fprintf(stderr,"Warning: Service %s defines a print command, but \
 347 print command parameter is ignored when using CUPS libraries.\n",
 348                                            lp_servicename(s) );
 349                         }
 350 #endif
 351                 }
 352         }
 353
 354
 355         if (!section_name && !parameter_name) {
 356                 fprintf(stderr,"Server role: %s\n", server_role_str(lp_server_role()));
 357         }
 358
 359         if (!cname) {
 360                 if (!silent_mode) {
 361                         fprintf(stderr,"Press enter to see a dump of your service definitions\n");
 362                         fflush(stdout);
 363                         getc(stdin);
 364                 }
 365                 if (parameter_name || section_name) {
 366                         bool isGlobal = False;
 367                         s = GLOBAL_SECTION_SNUM;
 368
 369                         if (!section_name) {
 370                                 section_name = GLOBAL_NAME;
 371                                 isGlobal = True;
 372                         } else if ((isGlobal=!strwicmp(section_name, GLOBAL_NAME)) == 0 &&
 373                                  (s=lp_servicenumber(section_name)) == -1) {
 374                                         fprintf(stderr,"Unknown section %s\n",
 375                                                 section_name);
 376                                         return(1);
 377                         }
 378                         if (parameter_name) {
 379                                 if (!dump_a_parameter( s, parameter_name, stdout, isGlobal)) {
 380                                         fprintf(stderr,"Parameter %s unknown for section %s\n",
 381                                                 parameter_name, section_name);
 382                                         return(1);
 383                                 }
 384                         } else {
 385                                 if (isGlobal == True)
 386                                         lp_dump(stdout, show_defaults, 0);
 387                                 else
 388                                         lp_dump_one(stdout, show_defaults, s);
 389                         }
 390                         return(ret);
 391                 }
 392
 393                 lp_dump(stdout, show_defaults, lp_numservices());
 394         }
 395
 396         if(cname && caddr){
 397                 /* this is totally ugly, a real `quick' hack */
 398                 for (s=0;s<1000;s++) {
 399                         if (VALID_SNUM(s)) {
 400                                 if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr)
 401                                     && allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) {
 402                                         fprintf(stderr,"Allow connection from %s (%s) to %s\n",
 403                                                    cname,caddr,lp_servicename(s));
 404                                 } else {
 405                                         fprintf(stderr,"Deny connection from %s (%s) to %s\n",
 406                                                    cname,caddr,lp_servicename(s));
 407                                 }
 408                         }
 409                 }
 410         }
 411         TALLOC_FREE(frame);
 412         return(ret);
 413 }
 414