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 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         /*
  77          * Password server sanity checks.
  78          */
  79
  80         if((lp_security() == SEC_SERVER || lp_security() >= SEC_DOMAIN) && !lp_passwordserver()) {
  81                 pstring sec_setting;
  82                 if(lp_security() == SEC_SERVER)
  83                         pstrcpy(sec_setting, "server");
  84                 else if(lp_security() == SEC_DOMAIN)
  85                         pstrcpy(sec_setting, "domain");
  86
  87                 fprintf(stderr, "ERROR: The setting 'security=%s' requires the 'password server' parameter be set \
  88 to a valid password server.\n", sec_setting );
  89                 ret = 1;
  90         }
  91
  92
  93         /*
  94          * Check 'hosts equiv' and 'use rhosts' compatibility with 'hostname lookup' value.
  95          */
  96
  97         if(*lp_hosts_equiv() && !lp_hostname_lookups()) {
  98                 fprintf(stderr, "ERROR: The setting 'hosts equiv = %s' requires that 'hostname lookups = yes'.\n", lp_hosts_equiv());
  99                 ret = 1;
 100         }
 101
 102         /*
 103          * Password chat sanity checks.
 104          */
 105
 106         if(lp_security() == SEC_USER && lp_unix_password_sync()) {
 107
 108                 /*
 109                  * Check that we have a valid lp_passwd_program() if not using pam.
 110                  */
 111
 112 #ifdef WITH_PAM
 113                 if (!lp_pam_password_change()) {
 114 #endif
 115
 116                         if(lp_passwd_program() == NULL) {
 117                                 fprintf( stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd program' \
 118 parameter.\n" );
 119                                 ret = 1;
 120                         } else {
 121                                 pstring passwd_prog;
 122                                 pstring truncated_prog;
 123                                 const char *p;
 124
 125                                 pstrcpy( passwd_prog, lp_passwd_program());
 126                                 p = passwd_prog;
 127                                 *truncated_prog = '\0';
 128                                 next_token(&p, truncated_prog, NULL, sizeof(pstring));
 129
 130                                 if(access(truncated_prog, F_OK) == -1) {
 131                                         fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and the 'passwd program' (%s) \
 132 cannot be executed (error was %s).\n", truncated_prog, strerror(errno) );
 133                                         ret = 1;
 134                                 }
 135                         }
 136
 137 #ifdef WITH_PAM
 138                 }
 139 #endif
 140
 141                 if(lp_passwd_chat() == NULL) {
 142                         fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \
 143 parameter.\n");
 144                         ret = 1;
 145                 }
 146
 147                 /*
 148                  * Check that we have a valid script and that it hasn't
 149                  * been written to expect the old password.
 150                  */
 151
 152                 if(lp_encrypted_passwords()) {
 153                         if(strstr_m( lp_passwd_chat(), "%o")!=NULL) {
 154                                 fprintf(stderr, "ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \
 155 via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() );
 156                                 ret = 1;
 157                         }
 158                 }
 159         }
 160
 161         if (strlen(lp_winbind_separator()) != 1) {
 162                 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n");
 163                 ret = 1;
 164         }
 165
 166         if (*lp_winbind_separator() == '+') {
 167                 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n");
 168         }
 169
 170         if (lp_algorithmic_rid_base() < BASE_RID) {
 171                 /* Try to prevent admin foot-shooting, we can't put algorithmic
 172                    rids below 1000, that's the 'well known RIDs' on NT */
 173                 fprintf(stderr,"'algorithmic rid base' must be equal to or above %lu\n", BASE_RID);
 174         }
 175
 176         if (lp_algorithmic_rid_base() & 1) {
 177                 fprintf(stderr,"'algorithmic rid base' must be even.\n");
 178         }
 179
 180 #ifndef HAVE_DLOPEN
 181         if (lp_preload_modules()) {
 182                 fprintf(stderr,"WARNING: 'preload modules = ' set while loading plugins not supported.\n");
 183         }
 184 #endif
 185
 186         if (!lp_passdb_backend()) {
 187                 fprintf(stderr,"ERROR: passdb backend must have a value or be left out\n");
 188         }
 189
 190         return ret;
 191 }
 192
 193  int main(int argc, const char *argv[])
 194 {
 195         const char *config_file = dyn_CONFIGFILE;
 196         int s;
 197         static BOOL silent_mode = False;
 198         int ret = 0;
 199         poptContext pc;
 200         static const char *term_code = "";
 201         static char *new_local_machine = NULL;
 202         const char *cname;
 203         const char *caddr;
 204         static int show_defaults;
 205
 206         struct poptOption long_options[] = {
 207                 POPT_AUTOHELP
 208                 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"},
 209                 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"},
 210                 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
 211                 {"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"},
 212                 POPT_COMMON_VERSION
 213                 POPT_TABLEEND
 214         };
 215
 216         pc = poptGetContext(NULL, argc, argv, long_options,
 217                             POPT_CONTEXT_KEEP_FIRST);
 218         poptSetOtherOptionHelp(pc, "[OPTION...] <config-file> [host-name] [host-ip]");
 219
 220         while(poptGetNextOpt(pc) != -1);
 221
 222         setup_logging(poptGetArg(pc), True);
 223
 224         if (poptPeekArg(pc))
 225                 config_file = poptGetArg(pc);
 226
 227         cname = poptGetArg(pc);
 228         caddr = poptGetArg(pc);
 229
 230         if ( cname && ! caddr ) {
 231                 printf ( "ERROR: You must specify both a machine name and an IP address.\n" );
 232                 return(1);
 233         }
 234
 235         if (new_local_machine) {
 236                 set_local_machine_name(new_local_machine, True);
 237         }
 238
 239         dbf = x_stderr;
 240         DEBUGLEVEL = 2;
 241         AllowDebugChange = False;
 242
 243         fprintf(stderr,"Load smb config files from %s\n",config_file);
 244
 245         if (!lp_load(config_file,False,True,False)) {
 246                 fprintf(stderr,"Error loading services.\n");
 247                 return(1);
 248         }
 249
 250         fprintf(stderr,"Loaded services file OK.\n");
 251
 252         ret = do_global_checks();
 253
 254         for (s=0;s<1000;s++) {
 255                 if (VALID_SNUM(s))
 256                         if (strlen(lp_servicename(s)) > 12) {
 257                                 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
 258                                 fprintf(stderr, "These may not be accessible to some older clients.\n" );
 259                                 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" );
 260                                 break;
 261                         }
 262         }
 263
 264         for (s=0;s<1000;s++) {
 265                 if (VALID_SNUM(s)) {
 266                         const char **deny_list = lp_hostsdeny(s);
 267                         const char **allow_list = lp_hostsallow(s);
 268                         int i;
 269                         if(deny_list) {
 270                                 for (i=0; deny_list[i]; i++) {
 271                                         char *hasstar = strchr_m(deny_list[i], '*');
 272                                         char *hasquery = strchr_m(deny_list[i], '?');
 273                                         if(hasstar || hasquery) {
 274                                                 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
 275                                                            hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) );
 276                                         }
 277                                 }
 278                         }
 279
 280                         if(allow_list) {
 281                                 for (i=0; allow_list[i]; i++) {
 282                                         char *hasstar = strchr_m(allow_list[i], '*');
 283                                         char *hasquery = strchr_m(allow_list[i], '?');
 284                                         if(hasstar || hasquery) {
 285                                                 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
 286                                                            hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) );
 287                                         }
 288                                 }
 289                         }
 290
 291                         if(lp_level2_oplocks(s) && !lp_oplocks(s)) {
 292                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 293                                            Level II oplocks can only be set if oplocks are also set.\n",
 294                                            lp_servicename(s) );
 295                         }
 296
 297                         if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) {
 298                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 299                                            Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n",
 300                                            lp_servicename(s) );
 301                         }
 302                         if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) {
 303                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 304                                            Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n",
 305                                            lp_servicename(s) );
 306                         }
 307                         if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) {
 308                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 309                                            Map system can only work if create mask includes octal 010 (S_IXGRP).\n",
 310                                            lp_servicename(s) );
 311                         }
 312                         if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) {
 313                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 314                                            Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n",
 315                                            lp_servicename(s) );
 316                         }
 317                 }
 318         }
 319
 320
 321         if (!silent_mode) {
 322                 fprintf(stderr,"Server role: ");
 323                 switch(lp_server_role()) {
 324                         case ROLE_STANDALONE:
 325                                 fprintf(stderr,"ROLE_STANDALONE\n");
 326                                 break;
 327                         case ROLE_DOMAIN_MEMBER:
 328                                 fprintf(stderr,"ROLE_DOMAIN_MEMBER\n");
 329                                 break;
 330                         case ROLE_DOMAIN_BDC:
 331                                 fprintf(stderr,"ROLE_DOMAIN_BDC\n");
 332                                 break;
 333                         case ROLE_DOMAIN_PDC:
 334                                 fprintf(stderr,"ROLE_DOMAIN_PDC\n");
 335                                 break;
 336                         default:
 337                                 fprintf(stderr,"Unknown -- internal error?\n");
 338                                 break;
 339                 }
 340         }
 341
 342         if (!cname) {
 343                 if (!silent_mode) {
 344                         fprintf(stderr,"Press enter to see a dump of your service definitions\n");
 345                         fflush(stdout);
 346                         getc(stdin);
 347                 }
 348                 lp_dump(stdout, show_defaults, lp_numservices());
 349         }
 350
 351         if(cname && caddr){
 352                 /* this is totally ugly, a real `quick' hack */
 353                 for (s=0;s<1000;s++) {
 354                         if (VALID_SNUM(s)) {
 355                                 if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr)
 356                                     && allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) {
 357                                         fprintf(stderr,"Allow connection from %s (%s) to %s\n",
 358                                                    cname,caddr,lp_servicename(s));
 359                                 } else {
 360                                         fprintf(stderr,"Deny connection from %s (%s) to %s\n",
 361                                                    cname,caddr,lp_servicename(s));
 362                                 }
 363                         }
 364                 }
 365         }
 366         return(ret);
 367 }