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 #include "smb.h"
  37
  38 extern BOOL AllowDebugChange;
  39
  40 /***********************************************
  41  Here we do a set of 'hard coded' checks for bad
  42  configuration settings.
  43 ************************************************/
  44
  45 static int do_global_checks(void)
  46 {
  47         int ret = 0;
  48         SMB_STRUCT_STAT st;
  49
  50         if (lp_security() >= SEC_DOMAIN && !lp_encrypted_passwords()) {
  51                 printf("ERROR: in 'security=domain' mode the 'encrypt passwords' parameter must always be set to 'true'.\n");
  52                 ret = 1;
  53         }
  54
  55         if (lp_wins_support() && wins_srv_count()) {
  56                 printf("ERROR: both 'wins support = true' and 'wins server = <server>' \
  57 cannot be set in the smb.conf file. nmbd will abort with this setting.\n");
  58                 ret = 1;
  59         }
  60
  61         if (!directory_exist(lp_lockdir(), &st)) {
  62                 printf("ERROR: lock directory %s does not exist\n",
  63                        lp_lockdir());
  64                 ret = 1;
  65         } else if ((st.st_mode & 0777) != 0755) {
  66                 printf("WARNING: lock directory %s should have permissions 0755 for browsing to work\n",
  67                        lp_lockdir());
  68                 ret = 1;
  69         }
  70
  71         if (!directory_exist(lp_piddir(), &st)) {
  72                 printf("ERROR: pid directory %s does not exist\n",
  73                        lp_piddir());
  74                 ret = 1;
  75         }
  76
  77         /*
  78          * Password server sanity checks.
  79          */
  80
  81         if((lp_security() == SEC_SERVER || lp_security() >= SEC_DOMAIN) && !lp_passwordserver()) {
  82                 pstring sec_setting;
  83                 if(lp_security() == SEC_SERVER)
  84                         pstrcpy(sec_setting, "server");
  85                 else if(lp_security() == SEC_DOMAIN)
  86                         pstrcpy(sec_setting, "domain");
  87
  88                 printf("ERROR: The setting 'security=%s' requires the 'password server' parameter be set \
  89 to a valid password server.\n", sec_setting );
  90                 ret = 1;
  91         }
  92
  93
  94         /*
  95          * Check 'hosts equiv' and 'use rhosts' compatibility with 'hostname lookup' value.
  96          */
  97
  98         if(*lp_hosts_equiv() && !lp_hostname_lookups()) {
  99                 printf("ERROR: The setting 'hosts equiv = %s' requires that 'hostname lookups = yes'.\n", lp_hosts_equiv());
 100                 ret = 1;
 101         }
 102
 103         /*
 104          * Password chat sanity checks.
 105          */
 106
 107         if(lp_security() == SEC_USER && lp_unix_password_sync()) {
 108
 109                 /*
 110                  * Check that we have a valid lp_passwd_program() if not using pam.
 111                  */
 112
 113 #ifdef WITH_PAM
 114                 if (!lp_pam_password_change()) {
 115 #endif
 116
 117                         if(lp_passwd_program() == NULL) {
 118                                 printf("ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd program' \
 119 parameter.\n" );
 120                                 ret = 1;
 121                         } else {
 122                                 pstring passwd_prog;
 123                                 pstring truncated_prog;
 124                                 char *p;
 125
 126                                 pstrcpy( passwd_prog, lp_passwd_program());
 127                                 p = passwd_prog;
 128                                 *truncated_prog = '\0';
 129                                 next_token(&p, truncated_prog, NULL, sizeof(pstring));
 130
 131                                 if(access(truncated_prog, F_OK) == -1) {
 132                                         printf("ERROR: the 'unix password sync' parameter is set and the 'passwd program' (%s) \
 133 cannot be executed (error was %s).\n", truncated_prog, strerror(errno) );
 134                                         ret = 1;
 135                                 }
 136                         }
 137
 138 #ifdef WITH_PAM
 139                 }
 140 #endif
 141
 142                 if(lp_passwd_chat() == NULL) {
 143                         printf("ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \
 144 parameter.\n");
 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( lp_passwd_chat(), "%o")!=NULL) {
 155                                 printf("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                 printf("ERROR: the 'winbind separator' parameter must be a single character.\n");
 164                 ret = 1;
 165         }
 166
 167         if (*lp_winbind_separator() == '+') {
 168                 printf("'winbind separator = +' might cause problems with group membership.\n");
 169         }
 170
 171         return ret;
 172 }
 173
 174 int main(int argc, const char *argv[])
 175 {
 176         extern char *optarg;
 177         extern int optind;
 178         const char *config_file = dyn_CONFIGFILE;
 179         int s;
 180         static BOOL silent_mode = False;
 181         int ret = 0;
 182         int opt;
 183         poptContext pc;
 184         static char *term_code = "";
 185         static char *new_local_machine = NULL;
 186         const char *cname;
 187         const char *caddr;
 188         static int show_defaults;
 189
 190         struct poptOption long_options[] = {
 191                 POPT_AUTOHELP
 192                 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"},
 193                 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"},
 194                 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
 195                 {"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"},
 196                 {0,0,0,0}
 197         };
 198
 199         pc = poptGetContext(NULL, argc, argv, long_options,
 200                             POPT_CONTEXT_KEEP_FIRST);
 201
 202         while((opt = poptGetNextOpt(pc)) != -1);
 203
 204         setup_logging(poptGetArg(pc), True);
 205
 206         if (poptPeekArg(pc))
 207                 config_file = poptGetArg(pc);
 208
 209         cname = poptGetArg(pc);
 210         caddr = poptGetArg(pc);
 211
 212         if (new_local_machine) {
 213                 set_local_machine_name(new_local_machine);
 214         }
 215
 216         dbf = x_stdout;
 217         DEBUGLEVEL = 2;
 218         AllowDebugChange = False;
 219
 220         printf("Load smb config files from %s\n",config_file);
 221
 222         if (!lp_load(config_file,False,True,False)) {
 223                 printf("Error loading services.\n");
 224                 return(1);
 225         }
 226
 227         printf("Loaded services file OK.\n");
 228
 229         ret = do_global_checks();
 230
 231         for (s=0;s<1000;s++) {
 232                 if (VALID_SNUM(s))
 233                         if (strlen(lp_servicename(s)) > 8) {
 234                                 printf("WARNING: You have some share names that are longer than 8 chars\n");
 235                                 printf("These may give errors while browsing or may not be accessible\nto some older clients\n");
 236                                 break;
 237                         }
 238         }
 239
 240         for (s=0;s<1000;s++) {
 241                 if (VALID_SNUM(s)) {
 242                         char **deny_list = lp_hostsdeny(s);
 243                         char **allow_list = lp_hostsallow(s);
 244                         int i;
 245                         if(deny_list) {
 246                                 for (i=0; deny_list[i]; i++) {
 247                                         char *hasstar = strchr_m(deny_list[i], '*');
 248                                         char *hasquery = strchr_m(deny_list[i], '?');
 249                                         if(hasstar || hasquery) {
 250                                                 printf("Invalid character %c in hosts deny list (%s) for service %s.\n",
 251                                                            hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) );
 252                                         }
 253                                 }
 254                         }
 255
 256                         if(allow_list) {
 257                                 for (i=0; allow_list[i]; i++) {
 258                                         char *hasstar = strchr_m(allow_list[i], '*');
 259                                         char *hasquery = strchr_m(allow_list[i], '?');
 260                                         if(hasstar || hasquery) {
 261                                                 printf("Invalid character %c in hosts allow list (%s) for service %s.\n",
 262                                                            hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) );
 263                                         }
 264                                 }
 265                         }
 266
 267                         if(lp_level2_oplocks(s) && !lp_oplocks(s)) {
 268                                 printf("Invalid combination of parameters for service %s. \
 269                                            Level II oplocks can only be set if oplocks are also set.\n",
 270                                            lp_servicename(s) );
 271                         }
 272                 }
 273         }
 274
 275         if (!cname) {
 276                 if (!silent_mode) {
 277                         printf("Press enter to see a dump of your service definitions\n");
 278                         fflush(stdout);
 279                         getc(stdin);
 280                 }
 281                 lp_dump(stdout, show_defaults, lp_numservices());
 282         }
 283
 284         if(cname && caddr){
 285                 /* this is totally ugly, a real `quick' hack */
 286                 for (s=0;s<1000;s++) {
 287                         if (VALID_SNUM(s)) {
 288                                 if (allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) {
 289                                         printf("Allow connection from %s (%s) to %s\n",
 290                                                    cname,caddr,lp_servicename(s));
 291                                 } else {
 292                                         printf("Deny connection from %s (%s) to %s\n",
 293                                                    cname,caddr,lp_servicename(s));
 294                                 }
 295                         }
 296                 }
 297         }
 298         return(ret);
 299 }