source/utils/testparm.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    Test validity of smb.conf
   5    Copyright (C) Karl Auer 1993, 1994-1998
   6
   7    Extensively modified by Andrew Tridgell, 1995
   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 #include "smb.h"
  37
  38 extern BOOL AllowDebugChange;
  39 extern int parsed_debuglevel_class[DBGC_LAST];
  40
  41 /* these live in util.c */
  42 extern FILE *dbf;
  43
  44 /***********************************************
  45  Here we do a set of 'hard coded' checks for bad
  46  configuration settings.
  47 ************************************************/
  48
  49 static int do_global_checks(void)
  50 {
  51         int ret = 0;
  52         SMB_STRUCT_STAT st;
  53
  54         if (lp_security() == SEC_DOMAIN && !lp_encrypted_passwords()) {
  55                 printf("ERROR: in 'security=domain' mode the 'encrypt passwords' parameter must also be set to 'true'.\n");
  56                 ret = 1;
  57         }
  58
  59         if (lp_wins_support() && *lp_wins_server()) {
  60                 printf("ERROR: both 'wins support = true' and 'wins server = <server>' \
  61 cannot be set in the smb.conf file. nmbd will abort with this setting.\n");
  62                 ret = 1;
  63         }
  64
  65         if (!directory_exist(lp_lockdir(), &st)) {
  66                 printf("ERROR: lock directory %s does not exist\n",
  67                        lp_lockdir());
  68                 ret = 1;
  69         } else if ((st.st_mode & 0777) != 0755) {
  70                 printf("WARNING: lock directory %s should have permissions 0755 for browsing to work\n",
  71                        lp_lockdir());
  72                 ret = 1;
  73         }
  74
  75         if (!directory_exist(lp_piddir(), &st)) {
  76                 printf("ERROR: pid directory %s does not exist\n",
  77                        lp_piddir());
  78                 ret = 1;
  79         }
  80
  81         /*
  82          * Password server sanity checks.
  83          */
  84
  85         if((lp_security() == SEC_SERVER || lp_security() == SEC_DOMAIN) && !lp_passwordserver()) {
  86                 pstring sec_setting;
  87                 if(lp_security() == SEC_SERVER)
  88                         pstrcpy(sec_setting, "server");
  89                 else if(lp_security() == SEC_DOMAIN)
  90                         pstrcpy(sec_setting, "domain");
  91
  92                 printf("ERROR: The setting 'security=%s' requires the 'password server' parameter be set \
  93 to a valid password server.\n", sec_setting );
  94                 ret = 1;
  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                                 printf("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                                 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                                         printf("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 #ifdef WITH_PAM
 133                 }
 134 #endif
 135
 136                 if(lp_passwd_chat() == NULL) {
 137                         printf("ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \
 138 parameter.\n");
 139                         ret = 1;
 140                 }
 141
 142                 /*
 143                  * Check that we have a valid script and that it hasn't
 144                  * been written to expect the old password.
 145                  */
 146
 147                 if(lp_encrypted_passwords()) {
 148                         if(strstr( lp_passwd_chat(), "%o")!=NULL) {
 149                                 printf("ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \
 150 via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() );
 151                                 ret = 1;
 152                         }
 153                 }
 154         }
 155
 156         if (!lp_status(-1) && lp_max_smbd_processes()) {
 157                 printf("ERROR: the 'max smbd processes' parameter is set and the 'status' parameter is set to 'no'.\n");
 158                 ret = 1;
 159         }
 160
 161         if (strlen(lp_winbind_separator()) != 1) {
 162                 printf("ERROR: the 'winbind separator' parameter must be a single character.\n");
 163                 ret = 1;
 164         }
 165
 166         if (*lp_winbind_separator() == '+') {
 167                 printf("'winbind separator = +' might cause problems with group membership.\n");
 168         }
 169
 170         return ret;
 171 }
 172
 173 static void usage(char *pname)
 174 {
 175         printf("Usage: %s [-sh] [-L servername] [configfilename] [hostname hostIP]\n", pname);
 176         printf("\t-s                  Suppress prompt for enter\n");
 177         printf("\t-x                  Print only smb.conf parameters with values that are non-default\n");
 178         printf("\t-h                  Print usage\n");
 179         printf("\t-L servername       Set %%L macro to servername\n");
 180         printf("\t-t encoding         Print parameters with encoding\n");
 181         printf("\tconfigfilename      Configuration file to test\n");
 182         printf("\thostname hostIP.    Hostname and Host IP address to test\n");
 183         printf("\t                    against \"host allow\" and \"host deny\"\n");
 184         printf("\n");
 185 }
 186
 187
 188 int main(int argc, char *argv[])
 189 {
 190   extern char *optarg;
 191   extern int optind;
 192   extern fstring local_machine;
 193   pstring configfile;
 194   int opt;
 195   int s;
 196   BOOL show_defaults=True;
 197   BOOL silent_mode = False;
 198   int ret = 0;
 199   pstring term_code;
 200
 201   *term_code = 0;
 202
 203   TimeInit();
 204
 205   setup_logging(argv[0],True);
 206
 207   charset_initialise();
 208
 209   while ((opt = getopt(argc, argv,"shL:t:x")) != EOF) {
 210   switch (opt) {
 211     case 's':
 212       silent_mode = True;
 213       break;
 214     case 'L':
 215       fstrcpy(local_machine,optarg);
 216       break;
 217     case 'h':
 218       usage(argv[0]);
 219       exit(0);
 220       break;
 221     case 't':
 222       pstrcpy(term_code,optarg);
 223       break;
 224     case 'x':
 225       show_defaults=False;
 226       break;
 227     default:
 228       printf("Incorrect program usage\n");
 229       usage(argv[0]);
 230       exit(1);
 231       break;
 232     }
 233   }
 234
 235   argc += (1 - optind);
 236
 237   if ((argc == 1) || (argc == 3))
 238     pstrcpy(configfile,CONFIGFILE);
 239   else if ((argc == 2) || (argc == 4))
 240     pstrcpy(configfile,argv[optind]);
 241
 242   dbf = stdout;
 243   DEBUGLEVEL = 2;
 244   AllowDebugChange = False;
 245
 246   printf("Load smb config files from %s\n",configfile);
 247
 248   if (!lp_load(configfile,False,True,False)) {
 249       printf("Error loading services.\n");
 250       return(1);
 251   }
 252
 253   printf("Loaded services file OK.\n");
 254
 255   ret = do_global_checks();
 256
 257   for (s=0;s<1000;s++) {
 258     if (VALID_SNUM(s))
 259       if (strlen(lp_servicename(s)) > 8) {
 260         printf("WARNING: You have some share names that are longer than 8 chars\n");
 261         printf("These may give errors while browsing or may not be accessible\nto some older clients\n");
 262         break;
 263       }
 264   }
 265
 266   for (s=0;s<1000;s++) {
 267     if (VALID_SNUM(s)) {
 268       char *deny_list = lp_hostsdeny(s);
 269       char *allow_list = lp_hostsallow(s);
 270       if(deny_list) {
 271         char *hasstar = strchr(deny_list, '*');
 272         char *hasquery = strchr(deny_list, '?');
 273         if(hasstar || hasquery) {
 274           printf("Invalid character %c in hosts deny list %s for service %s.\n",
 275                  hasstar ? *hasstar : *hasquery, deny_list, lp_servicename(s) );
 276         }
 277       }
 278
 279       if(allow_list) {
 280         char *hasstar = strchr(allow_list, '*');
 281         char *hasquery = strchr(allow_list, '?');
 282         if(hasstar || hasquery) {
 283           printf("Invalid character %c in hosts allow list %s for service %s.\n",
 284                  hasstar ? *hasstar : *hasquery, allow_list, lp_servicename(s) );
 285         }
 286       }
 287
 288       if(lp_level2_oplocks(s) && !lp_oplocks(s)) {
 289         printf("Invalid combination of parameters for service %s. \
 290 Level II oplocks can only be set if oplocks are also set.\n",
 291                lp_servicename(s) );
 292       }
 293     }
 294   }
 295
 296   if (*term_code)
 297     interpret_coding_system(term_code);
 298
 299   if (argc < 3) {
 300     if (!silent_mode) {
 301       printf("Press enter to see a dump of your service definitions\n");
 302       fflush(stdout);
 303       getc(stdin);
 304     }
 305     memcpy(DEBUGLEVEL_CLASS,parsed_debuglevel_class,sizeof(parsed_debuglevel_class));
 306     lp_dump(stdout,show_defaults, lp_numservices(), _dos_to_unix_static);
 307   }
 308
 309   if (argc >= 3) {
 310     char *cname;
 311     char *caddr;
 312
 313     if (argc == 3) {
 314       cname = argv[optind];
 315       caddr = argv[optind+1];
 316     } else {
 317       cname = argv[optind+1];
 318       caddr = argv[optind+2];
 319     }
 320
 321     /* this is totally ugly, a real `quick' hack */
 322     for (s=0;s<1000;s++) {
 323       if (VALID_SNUM(s)) {
 324         if (allow_access(lp_hostsdeny(s),lp_hostsallow(s),cname,caddr)) {
 325           printf("Allow connection from %s (%s) to %s\n",
 326                  cname,caddr,lp_servicename(s));
 327         } else {
 328           printf("Deny connection from %s (%s) to %s\n",
 329                  cname,caddr,lp_servicename(s));
 330         }
 331       }
 332     }
 333   }
 334   return(ret);
 335 }