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
  76 static int do_share_checks(struct loadparm_context *lp_ctx, const char *cname, const char *caddr, bool silent_mode,
  77                            bool show_defaults, const char *section_name, const char *parameter_name)
  78 {
  79         int ret = 0;
  80         int s;
  81
  82         for (s=0;s<lp_numservices(lp_ctx);s++) {
  83                 struct loadparm_service *service = lp_servicebynum(lp_ctx, s);
  84                 if (service != NULL)
  85                         if (strlen(lp_servicename(lp_servicebynum(lp_ctx, s))) > 12) {
  86                                 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
  87                                 fprintf(stderr, "These may not be accessible to some older clients.\n" );
  88                                 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and not listed in smbclient in Samba 3.0.)\n" );
  89                                 break;
  90                         }
  91         }
  92
  93         for (s=0;s<lp_numservices(lp_ctx);s++) {
  94                 struct loadparm_service *service = lp_servicebynum(lp_ctx, s);
  95                 if (service != NULL) {
  96                         const char **deny_list = lp_hostsdeny(service, lp_default_service(lp_ctx));
  97                         const char **allow_list = lp_hostsallow(service, lp_default_service(lp_ctx));
  98                         int i;
  99                         if(deny_list) {
 100                                 for (i=0; deny_list[i]; i++) {
 101                                         char *hasstar = strchr_m(deny_list[i], '*');
 102                                         char *hasquery = strchr_m(deny_list[i], '?');
 103                                         if(hasstar || hasquery) {
 104                                                 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
 105                                                            hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(service) );
 106                                         }
 107                                 }
 108                         }
 109
 110                         if(allow_list) {
 111                                 for (i=0; allow_list[i]; i++) {
 112                                         char *hasstar = strchr_m(allow_list[i], '*');
 113                                         char *hasquery = strchr_m(allow_list[i], '?');
 114                                         if(hasstar || hasquery) {
 115                                                 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
 116                                                            hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(service) );
 117                                         }
 118                                 }
 119                         }
 120                 }
 121         }
 122
 123
 124         if (!cname) {
 125                 if (!silent_mode) {
 126                         fprintf(stderr,"Press enter to see a dump of your service definitions\n");
 127                         fflush(stdout);
 128                         getc(stdin);
 129                 }
 130                 if (section_name != NULL || parameter_name != NULL) {
 131                         struct loadparm_service *service = NULL;
 132                         if (!section_name) {
 133                                 section_name = GLOBAL_NAME;
 134                                 service = NULL;
 135                         } else if ((!strwicmp(section_name, GLOBAL_NAME)) == 0 &&
 136                                  (service=lp_service(lp_ctx, section_name)) == NULL) {
 137                                         fprintf(stderr,"Unknown section %s\n",
 138                                                 section_name);
 139                                         return(1);
 140                         }
 141                         if (!parameter_name) {
 142                                 lp_dump_one(stdout, show_defaults, service, lp_default_service(lp_ctx));
 143                         } else {
 144                                 ret = !lp_dump_a_parameter(lp_ctx, service, parameter_name, stdout);
 145                         }
 146                 } else {
 147                         lp_dump(lp_ctx, stdout, show_defaults, lp_numservices(lp_ctx));
 148                 }
 149                 return(ret);
 150         }
 151
 152         if(cname && caddr){
 153                 /* this is totally ugly, a real `quick' hack */
 154                 for (s=0;s<lp_numservices(lp_ctx);s++) {
 155                         struct loadparm_service *service = lp_servicebynum(lp_ctx, s);
 156                         if (service != NULL) {
 157                                 if (allow_access(NULL, lp_hostsdeny(NULL, lp_default_service(lp_ctx)), lp_hostsallow(NULL, lp_default_service(lp_ctx)), cname, caddr)
 158                                     && allow_access(NULL, lp_hostsdeny(service, lp_default_service(lp_ctx)), lp_hostsallow(service, lp_default_service(lp_ctx)), cname, caddr)) {
 159                                         fprintf(stderr,"Allow connection from %s (%s) to %s\n",
 160                                                    cname,caddr,lp_servicename(service));
 161                                 } else {
 162                                         fprintf(stderr,"Deny connection from %s (%s) to %s\n",
 163                                                    cname,caddr,lp_servicename(service));
 164                                 }
 165                         }
 166                 }
 167         }
 168
 169         return ret;
 170 }
 171
 172
 173  int main(int argc, const char *argv[])
 174 {
 175         static bool silent_mode = false;
 176         int ret = 0;
 177         poptContext pc;
 178 /*
 179         static int show_all_parameters = 0;
 180         static char *new_local_machine = NULL;
 181 */
 182         static const char *section_name = NULL;
 183         static char *parameter_name = NULL;
 184         static const char *cname;
 185         static const char *caddr;
 186         static bool show_defaults = false;
 187         struct loadparm_context *lp_ctx;
 188
 189         struct poptOption long_options[] = {
 190                 POPT_AUTOHELP
 191                 {"suppress-prompt", 0, POPT_ARG_NONE, &silent_mode, true, "Suppress prompt for enter"},
 192                 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, true, "Show default options too"},
 193 /*
 194   We need support for smb.conf macros before this will work again
 195                 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
 196 */
 197 /*
 198   These are harder to do with the new code structure
 199                 {"show-all-parameters", '\0', POPT_ARG_NONE, &show_all_parameters, 1, "Show the parameters, type, possible values" },
 200 */
 201                 {"section-name", '\0', POPT_ARG_STRING, &section_name, 0, "Limit testparm to a named section" },
 202                 {"parameter-name", '\0', POPT_ARG_STRING, &parameter_name, 0, "Limit testparm to a named parameter" },
 203                 {"client-name", '\0', POPT_ARG_STRING, &cname, 0, "Client DNS name for 'hosts allow' checking (should match reverse lookup)"},
 204                 {"client-ip", '\0', POPT_ARG_STRING, &caddr, 0, "Client IP address for 'hosts allow' checking"},
 205                 POPT_COMMON_SAMBA
 206                 POPT_COMMON_VERSION
 207                 { NULL }
 208         };
 209
 210         setup_logging(NULL, DEBUG_STDERR);
 211
 212         pc = poptGetContext(NULL, argc, argv, long_options,
 213                             POPT_CONTEXT_KEEP_FIRST);
 214         poptSetOtherOptionHelp(pc, "[OPTION...] [host-name] [host-ip]");
 215
 216         while(poptGetNextOpt(pc) != -1);
 217
 218 /*
 219         if (show_all_parameters) {
 220                 show_parameter_list();
 221                 exit(0);
 222         }
 223 */
 224
 225         if ( cname && ! caddr ) {
 226                 printf ( "ERROR: For 'hosts allow' check you must specify both a DNS name and an IP address.\n" );
 227                 return(1);
 228         }
 229 /*
 230   We need support for smb.conf macros before this will work again
 231
 232         if (new_local_machine) {
 233                 set_local_machine_name(new_local_machine, True);
 234         }
 235 */
 236
 237         lp_ctx = cmdline_lp_ctx;
 238
 239         /* We need this to force the output */
 240         lp_set_cmdline(lp_ctx, "log level", "2");
 241
 242         fprintf(stderr, "Loaded smb config files from %s\n", lp_configfile(lp_ctx));
 243
 244         if (!lp_load(lp_ctx, lp_configfile(lp_ctx))) {
 245                 fprintf(stderr,"Error loading services.\n");
 246                 return(1);
 247         }
 248
 249         fprintf(stderr,"Loaded services file OK.\n");
 250
 251         ret = do_global_checks(lp_ctx);
 252         ret |= do_share_checks(lp_ctx, cname, caddr, silent_mode, show_defaults, section_name, parameter_name);
 253
 254         return(ret);
 255 }
 256