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 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
 138 #ifdef WITH_PAM
 139                 }
 140 #endif
 141
 142                 if(lp_passwd_chat() == NULL) {
 143                         fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \
 144 parameter.\n");
 145                         ret = 1;
 146                 } else
 147                 /* check if there's a %u parameter present */
 148                 if(strstr_m(lp_passwd_chat(), "%u") == NULL) {
 149                         fprintf(stderr, "ERROR: the 'passwd program' (%s) requires a '%%u' parameter.\n", lp_passwd_program());
 150                         ret = 1;
 151                 }
 152
 153                 /*
 154                  * Check that we have a valid script and that it hasn't
 155                  * been written to expect the old password.
 156                  */
 157
 158                 if(lp_encrypted_passwords()) {
 159                         if(strstr_m( lp_passwd_chat(), "%o")!=NULL) {
 160                                 fprintf(stderr, "ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \
 161 via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() );
 162                                 ret = 1;
 163                         }
 164                 }
 165         }
 166
 167         if (strlen(lp_winbind_separator()) != 1) {
 168                 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n");
 169                 ret = 1;
 170         }
 171
 172         if (*lp_winbind_separator() == '+') {
 173                 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n");
 174         }
 175
 176         if (lp_algorithmic_rid_base() < BASE_RID) {
 177                 /* Try to prevent admin foot-shooting, we can't put algorithmic
 178                    rids below 1000, that's the 'well known RIDs' on NT */
 179                 fprintf(stderr,"'algorithmic rid base' must be equal to or above %lu\n", BASE_RID);
 180         }
 181
 182         if (lp_algorithmic_rid_base() & 1) {
 183                 fprintf(stderr,"'algorithmic rid base' must be even.\n");
 184         }
 185
 186 #ifndef HAVE_DLOPEN
 187         if (lp_preload_modules()) {
 188                 fprintf(stderr,"WARNING: 'preload modules = ' set while loading plugins not supported.\n");
 189         }
 190 #endif
 191
 192         if (!lp_passdb_backend()) {
 193                 fprintf(stderr,"ERROR: passdb backend must have a value or be left out\n");
 194         }
 195
 196         return ret;
 197 }
 198
 199  int main(int argc, const char *argv[])
 200 {
 201         const char *config_file = dyn_CONFIGFILE;
 202         int s;
 203         static BOOL silent_mode = False;
 204         int ret = 0;
 205         poptContext pc;
 206         static const char *term_code = "";
 207         static char *new_local_machine = NULL;
 208         const char *cname;
 209         const char *caddr;
 210         static int show_defaults;
 211
 212         struct poptOption long_options[] = {
 213                 POPT_AUTOHELP
 214                 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"},
 215                 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"},
 216                 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
 217                 {"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"},
 218                 POPT_COMMON_VERSION
 219                 POPT_TABLEEND
 220         };
 221
 222         pc = poptGetContext(NULL, argc, argv, long_options,
 223                             POPT_CONTEXT_KEEP_FIRST);
 224         poptSetOtherOptionHelp(pc, "[OPTION...] <config-file> [host-name] [host-ip]");
 225
 226         while(poptGetNextOpt(pc) != -1);
 227
 228         setup_logging(poptGetArg(pc), True);
 229
 230         if (poptPeekArg(pc))
 231                 config_file = poptGetArg(pc);
 232
 233         cname = poptGetArg(pc);
 234         caddr = poptGetArg(pc);
 235
 236         if ( cname && ! caddr ) {
 237                 printf ( "ERROR: You must specify both a machine name and an IP address.\n" );
 238                 return(1);
 239         }
 240
 241         if (new_local_machine) {
 242                 set_local_machine_name(new_local_machine, True);
 243         }
 244
 245         dbf = x_stderr;
 246         DEBUGLEVEL = 2;
 247         AllowDebugChange = False;
 248
 249         fprintf(stderr,"Load smb config files from %s\n",config_file);
 250
 251         if (!lp_load(config_file,False,True,False)) {
 252                 fprintf(stderr,"Error loading services.\n");
 253                 return(1);
 254         }
 255
 256         fprintf(stderr,"Loaded services file OK.\n");
 257
 258         ret = do_global_checks();
 259
 260         for (s=0;s<1000;s++) {
 261                 if (VALID_SNUM(s))
 262                         if (strlen(lp_servicename(s)) > 12) {
 263                                 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
 264                                 fprintf(stderr, "These may not be accessible to some older clients.\n" );
 265                                 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" );
 266                                 break;
 267                         }
 268         }
 269
 270         for (s=0;s<1000;s++) {
 271                 if (VALID_SNUM(s)) {
 272                         const char **deny_list = lp_hostsdeny(s);
 273                         const char **allow_list = lp_hostsallow(s);
 274                         int i;
 275                         if(deny_list) {
 276                                 for (i=0; deny_list[i]; i++) {
 277                                         char *hasstar = strchr_m(deny_list[i], '*');
 278                                         char *hasquery = strchr_m(deny_list[i], '?');
 279                                         if(hasstar || hasquery) {
 280                                                 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
 281                                                            hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) );
 282                                         }
 283                                 }
 284                         }
 285
 286                         if(allow_list) {
 287                                 for (i=0; allow_list[i]; i++) {
 288                                         char *hasstar = strchr_m(allow_list[i], '*');
 289                                         char *hasquery = strchr_m(allow_list[i], '?');
 290                                         if(hasstar || hasquery) {
 291                                                 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
 292                                                            hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) );
 293                                         }
 294                                 }
 295                         }
 296
 297                         if(lp_level2_oplocks(s) && !lp_oplocks(s)) {
 298                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 299                                            Level II oplocks can only be set if oplocks are also set.\n",
 300                                            lp_servicename(s) );
 301                         }
 302
 303                         if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) {
 304                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 305                                            Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n",
 306                                            lp_servicename(s) );
 307                         }
 308                         if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) {
 309                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 310                                            Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n",
 311                                            lp_servicename(s) );
 312                         }
 313                         if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) {
 314                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 315                                            Map system can only work if create mask includes octal 010 (S_IXGRP).\n",
 316                                            lp_servicename(s) );
 317                         }
 318                         if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) {
 319                                 fprintf(stderr,"Invalid combination of parameters for service %s. \
 320                                            Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n",
 321                                            lp_servicename(s) );
 322                         }
 323                 }
 324         }
 325
 326
 327         if (!silent_mode) {
 328                 fprintf(stderr,"Server role: ");
 329                 switch(lp_server_role()) {
 330                         case ROLE_STANDALONE:
 331                                 fprintf(stderr,"ROLE_STANDALONE\n");
 332                                 break;
 333                         case ROLE_DOMAIN_MEMBER:
 334                                 fprintf(stderr,"ROLE_DOMAIN_MEMBER\n");
 335                                 break;
 336                         case ROLE_DOMAIN_BDC:
 337                                 fprintf(stderr,"ROLE_DOMAIN_BDC\n");
 338                                 break;
 339                         case ROLE_DOMAIN_PDC:
 340                                 fprintf(stderr,"ROLE_DOMAIN_PDC\n");
 341                                 break;
 342                         default:
 343                                 fprintf(stderr,"Unknown -- internal error?\n");
 344                                 break;
 345                 }
 346         }
 347
 348         if (!cname) {
 349                 if (!silent_mode) {
 350                         fprintf(stderr,"Press enter to see a dump of your service definitions\n");
 351                         fflush(stdout);
 352                         getc(stdin);
 353                 }
 354                 lp_dump(stdout, show_defaults, lp_numservices());
 355         }
 356
 357         if(cname && caddr){
 358                 /* this is totally ugly, a real `quick' hack */
 359                 for (s=0;s<1000;s++) {
 360                         if (VALID_SNUM(s)) {
 361                                 if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr)
 362                                     && allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) {
 363                                         fprintf(stderr,"Allow connection from %s (%s) to %s\n",
 364                                                    cname,caddr,lp_servicename(s));
 365                                 } else {
 366                                         fprintf(stderr,"Deny connection from %s (%s) to %s\n",
 367                                                    cname,caddr,lp_servicename(s));
 368                                 }
 369                         }
 370                 }
 371         }
 372         return(ret);
 373 }
 374