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