source4/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    Updated for Samba4 by Andrew Bartlett <abartlet@samba.org> 2006
   9
  10    This program is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  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 "system/filesys.h"
  37 #include "lib/cmdline/popt_common.h"
  38 #include "lib/socket/socket.h"
  39 #include "param/param.h"
  40
  41
  42 /***********************************************
  43  Here we do a set of 'hard coded' checks for bad
  44  configuration settings.
  45 ************************************************/
  46
  47 static int do_global_checks(struct loadparm_context *lp_ctx)
  48 {
  49         int ret = 0;
  50
  51         if (!directory_exist(lp_lockdir(lp_ctx))) {
  52                 fprintf(stderr, "ERROR: lock directory %s does not exist\n",
  53                        lp_lockdir(lp_ctx));
  54                 ret = 1;
  55         }
  56
  57         if (!directory_exist(lp_piddir(lp_ctx))) {
  58                 fprintf(stderr, "ERROR: pid directory %s does not exist\n",
  59                        lp_piddir(lp_ctx));
  60                 ret = 1;
  61         }
  62
  63         if (strlen(lp_winbind_separator(lp_ctx)) != 1) {
  64                 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n");
  65                 ret = 1;
  66         }
  67
  68         if (*lp_winbind_separator(lp_ctx) == '+') {
  69                 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n");
  70         }
  71
  72         return ret;
  73 }
  74
  75  int main(int argc, const char *argv[])
  76 {
  77         int s;
  78         static int silent_mode = 0;
  79         int ret = 0;
  80         poptContext pc;
  81 /*
  82         static int show_all_parameters = 0;
  83         static char *new_local_machine = NULL;
  84 */
  85         static const char *section_name = NULL;
  86         static char *parameter_name = NULL;
  87         static const char *cname;
  88         static const char *caddr;
  89         static int show_defaults;
  90
  91         struct poptOption long_options[] = {
  92                 POPT_AUTOHELP
  93                 {"suppress-prompt", 0, POPT_ARG_NONE, &silent_mode, 1, "Suppress prompt for enter"},
  94                 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"},
  95 /*
  96   We need support for smb.conf macros before this will work again
  97                 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
  98 */
  99 /*
 100   These are harder to do with the new code structure
 101                 {"show-all-parameters", '\0', POPT_ARG_NONE, &show_all_parameters, 1, "Show the parameters, type, possible values" },
 102 */
 103                 {"section-name", '\0', POPT_ARG_STRING, &section_name, 0, "Limit testparm to a named section" },
 104                 {"parameter-name", '\0', POPT_ARG_STRING, &parameter_name, 0, "Limit testparm to a named parameter" },
 105                 {"client-name", '\0', POPT_ARG_STRING, &cname, 0, "Client DNS name for 'hosts allow' checking (should match reverse lookup)"},
 106                 {"client-ip", '\0', POPT_ARG_STRING, &caddr, 0, "Client IP address for 'hosts allow' checking"},
 107                 POPT_COMMON_SAMBA
 108                 POPT_COMMON_VERSION
 109                 { NULL }
 110         };
 111
 112         setup_logging(NULL, DEBUG_STDERR);
 113
 114         pc = poptGetContext(NULL, argc, argv, long_options,
 115                             POPT_CONTEXT_KEEP_FIRST);
 116         poptSetOtherOptionHelp(pc, "[OPTION...] [host-name] [host-ip]");
 117
 118         while(poptGetNextOpt(pc) != -1);
 119
 120 /*
 121         if (show_all_parameters) {
 122                 show_parameter_list();
 123                 exit(0);
 124         }
 125 */
 126
 127         if ( cname && ! caddr ) {
 128                 printf ( "ERROR: For 'hosts allow' check you must specify both a DNS name and an IP address.\n" );
 129                 return(1);
 130         }
 131 /*
 132   We need support for smb.conf macros before this will work again
 133
 134         if (new_local_machine) {
 135                 set_local_machine_name(new_local_machine, True);
 136         }
 137 */
 138
 139         /* We need this to force the output */
 140         lp_set_cmdline(global_loadparm, "log level", "2");
 141
 142         fprintf(stderr, "Loaded smb config files from %s\n", lp_configfile(global_loadparm));
 143
 144         if (!lp_load(lp_configfile(global_loadparm))) {
 145                 fprintf(stderr,"Error loading services.\n");
 146                 return(1);
 147         }
 148
 149         fprintf(stderr,"Loaded services file OK.\n");
 150
 151         ret = do_global_checks(global_loadparm);
 152
 153         for (s=0;s<lp_numservices(global_loadparm);s++) {
 154                 struct loadparm_service *service = lp_servicebynum(global_loadparm, s);
 155                 if (service != NULL)
 156                         if (strlen(lp_servicename(lp_servicebynum(global_loadparm, s))) > 12) {
 157                                 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
 158                                 fprintf(stderr, "These may not be accessible to some older clients.\n" );
 159                                 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and not listed in smbclient in Samba 3.0.)\n" );
 160                                 break;
 161                         }
 162         }
 163
 164         for (s=0;s<lp_numservices(global_loadparm);s++) {
 165                 struct loadparm_service *service = lp_servicebynum(global_loadparm, s);
 166                 if (service != NULL) {
 167                         const char **deny_list = lp_hostsdeny(service);
 168                         const char **allow_list = lp_hostsallow(service);
 169                         int i;
 170                         if(deny_list) {
 171                                 for (i=0; deny_list[i]; i++) {
 172                                         char *hasstar = strchr_m(deny_list[i], '*');
 173                                         char *hasquery = strchr_m(deny_list[i], '?');
 174                                         if(hasstar || hasquery) {
 175                                                 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
 176                                                            hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(service) );
 177                                         }
 178                                 }
 179                         }
 180
 181                         if(allow_list) {
 182                                 for (i=0; allow_list[i]; i++) {
 183                                         char *hasstar = strchr_m(allow_list[i], '*');
 184                                         char *hasquery = strchr_m(allow_list[i], '?');
 185                                         if(hasstar || hasquery) {
 186                                                 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
 187                                                            hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(service) );
 188                                         }
 189                                 }
 190                         }
 191                 }
 192         }
 193
 194
 195         if (!cname) {
 196                 if (!silent_mode) {
 197                         fprintf(stderr,"Press enter to see a dump of your service definitions\n");
 198                         fflush(stdout);
 199                         getc(stdin);
 200                 }
 201                 if (section_name || parameter_name) {
 202                         struct loadparm_service *service = NULL;
 203                         if (!section_name) {
 204                                 section_name = GLOBAL_NAME;
 205                                 service = NULL;
 206                         } else if ((!strwicmp(section_name, GLOBAL_NAME)) == 0 &&
 207                                  (service=lp_service(global_loadparm, section_name)) == NULL) {
 208                                         fprintf(stderr,"Unknown section %s\n",
 209                                                 section_name);
 210                                         return(1);
 211                         }
 212                         if (!parameter_name) {
 213                                 lp_dump_one(stdout, show_defaults, service);
 214                         } else {
 215                                 ret = !lp_dump_a_parameter(global_loadparm, s, parameter_name, stdout, (service == NULL));
 216                         }
 217                 } else {
 218                         lp_dump(global_loadparm, stdout, show_defaults, lp_numservices(global_loadparm));
 219                 }
 220                 return(ret);
 221         }
 222
 223         if(cname && caddr){
 224                 /* this is totally ugly, a real `quick' hack */
 225                 for (s=0;s<lp_numservices(global_loadparm);s++) {
 226                         struct loadparm_service *service = lp_servicebynum(global_loadparm, s);
 227                         if (service != NULL) {
 228                                 if (allow_access(NULL, lp_hostsdeny(NULL), lp_hostsallow(NULL), cname, caddr)
 229                                     && allow_access(NULL, lp_hostsdeny(service), lp_hostsallow(service), cname, caddr)) {
 230                                         fprintf(stderr,"Allow connection from %s (%s) to %s\n",
 231                                                    cname,caddr,lp_servicename(service));
 232                                 } else {
 233                                         fprintf(stderr,"Deny connection from %s (%s) to %s\n",
 234                                                    cname,caddr,lp_servicename(service));
 235                                 }
 236                         }
 237                 }
 238         }
 239         return(ret);
 240 }
 241