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 #include "param/loadparm.h"
  41
  42
  43 /***********************************************
  44  Here we do a set of 'hard coded' checks for bad
  45  configuration settings.
  46 ************************************************/
  47
  48 static int do_global_checks(struct loadparm_context *lp_ctx)
  49 {
  50         int ret = 0;
  51
  52         if (!directory_exist(lp_lockdir(lp_ctx))) {
  53                 fprintf(stderr, "ERROR: lock directory %s does not exist\n",
  54                        lp_lockdir(lp_ctx));
  55                 ret = 1;
  56         }
  57
  58         if (!directory_exist(lp_piddir(lp_ctx))) {
  59                 fprintf(stderr, "ERROR: pid directory %s does not exist\n",
  60                        lp_piddir(lp_ctx));
  61                 ret = 1;
  62         }
  63
  64         if (strlen(lp_winbind_separator(lp_ctx)) != 1) {
  65                 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n");
  66                 ret = 1;
  67         }
  68
  69         if (*lp_winbind_separator(lp_ctx) == '+') {
  70                 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n");
  71         }
  72
  73         return ret;
  74 }
  75
  76
  77 static int do_share_checks(struct loadparm_context *lp_ctx, const char *cname, const char *caddr, bool silent_mode,
  78                            bool show_defaults, const char *section_name, const char *parameter_name)
  79 {
  80         int ret = 0;
  81         int s;
  82
  83         for (s=0;s<lp_numservices(lp_ctx);s++) {
  84                 struct loadparm_service *service = lp_servicebynum(lp_ctx, s);
  85                 if (service != NULL)
  86                         if (strlen(lp_servicename(lp_servicebynum(lp_ctx, s))) > 12) {
  87                                 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
  88                                 fprintf(stderr, "These may not be accessible to some older clients.\n" );
  89                                 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and not listed in smbclient in Samba 3.0.)\n" );
  90                                 break;
  91                         }
  92         }
  93
  94         for (s=0;s<lp_numservices(lp_ctx);s++) {
  95                 struct loadparm_service *service = lp_servicebynum(lp_ctx, s);
  96                 if (service != NULL) {
  97                         const char **deny_list = lp_hostsdeny(service, lp_default_service(lp_ctx));
  98                         const char **allow_list = lp_hostsallow(service, lp_default_service(lp_ctx));
  99                         int i;
 100                         if(deny_list) {
 101                                 for (i=0; deny_list[i]; i++) {
 102                                         char *hasstar = strchr_m(deny_list[i], '*');
 103                                         char *hasquery = strchr_m(deny_list[i], '?');
 104                                         if(hasstar || hasquery) {
 105                                                 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
 106                                                            hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(service) );
 107                                         }
 108                                 }
 109                         }
 110
 111                         if(allow_list) {
 112                                 for (i=0; allow_list[i]; i++) {
 113                                         char *hasstar = strchr_m(allow_list[i], '*');
 114                                         char *hasquery = strchr_m(allow_list[i], '?');
 115                                         if(hasstar || hasquery) {
 116                                                 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
 117                                                            hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(service) );
 118                                         }
 119                                 }
 120                         }
 121                 }
 122         }
 123
 124
 125         if (!cname) {
 126                 if (!silent_mode) {
 127                         fprintf(stderr,"Press enter to see a dump of your service definitions\n");
 128                         fflush(stdout);
 129                         getc(stdin);
 130                 }
 131                 if (section_name != NULL || parameter_name != NULL) {
 132                         struct loadparm_service *service = NULL;
 133                         if (!section_name) {
 134                                 section_name = GLOBAL_NAME;
 135                                 service = NULL;
 136                         } else if ((!strwicmp(section_name, GLOBAL_NAME)) == 0 &&
 137                                  (service=lp_service(lp_ctx, section_name)) == NULL) {
 138                                         fprintf(stderr,"Unknown section %s\n",
 139                                                 section_name);
 140                                         return(1);
 141                         }
 142                         if (!parameter_name) {
 143                                 lp_dump_one(stdout, show_defaults, service, lp_default_service(lp_ctx));
 144                         } else {
 145                                 ret = !lp_dump_a_parameter(lp_ctx, service, parameter_name, stdout);
 146                         }
 147                 } else {
 148                         lp_dump(lp_ctx, stdout, show_defaults, lp_numservices(lp_ctx));
 149                 }
 150                 return(ret);
 151         }
 152
 153         if(cname && caddr){
 154                 /* this is totally ugly, a real `quick' hack */
 155                 for (s=0;s<lp_numservices(lp_ctx);s++) {
 156                         struct loadparm_service *service = lp_servicebynum(lp_ctx, s);
 157                         if (service != NULL) {
 158                                 if (allow_access(NULL, lp_hostsdeny(NULL, lp_default_service(lp_ctx)), lp_hostsallow(NULL, lp_default_service(lp_ctx)), cname, caddr)
 159                                     && allow_access(NULL, lp_hostsdeny(service, lp_default_service(lp_ctx)), lp_hostsallow(service, lp_default_service(lp_ctx)), cname, caddr)) {
 160                                         fprintf(stderr,"Allow connection from %s (%s) to %s\n",
 161                                                    cname,caddr,lp_servicename(service));
 162                                 } else {
 163                                         fprintf(stderr,"Deny connection from %s (%s) to %s\n",
 164                                                    cname,caddr,lp_servicename(service));
 165                                 }
 166                         }
 167                 }
 168         }
 169
 170         return ret;
 171 }
 172
 173
 174  int main(int argc, const char *argv[])
 175 {
 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 int silent_mode = false;
 187         static int show_defaults = false;  /* This must be an 'int',
 188                                             * as we take it as we pass
 189                                             * it's address as an int
 190                                             * pointer  */
 191         struct loadparm_context *lp_ctx;
 192
 193         struct poptOption long_options[] = {
 194                 POPT_AUTOHELP
 195                 {"suppress-prompt", 0, POPT_ARG_NONE, &silent_mode, true, "Suppress prompt for enter"},
 196                 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, true, "Show default options too"},
 197 /*
 198   We need support for smb.conf macros before this will work again
 199                 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
 200 */
 201 /*
 202   These are harder to do with the new code structure
 203                 {"show-all-parameters", '\0', POPT_ARG_NONE, &show_all_parameters, 1, "Show the parameters, type, possible values" },
 204 */
 205                 {"section-name", '\0', POPT_ARG_STRING, &section_name, 0, "Limit testparm to a named section" },
 206                 {"parameter-name", '\0', POPT_ARG_STRING, &parameter_name, 0, "Limit testparm to a named parameter" },
 207                 {"client-name", '\0', POPT_ARG_STRING, &cname, 0, "Client DNS name for 'hosts allow' checking (should match reverse lookup)"},
 208                 {"client-ip", '\0', POPT_ARG_STRING, &caddr, 0, "Client IP address for 'hosts allow' checking"},
 209                 POPT_COMMON_SAMBA
 210                 POPT_COMMON_VERSION
 211                 { NULL }
 212         };
 213
 214         setup_logging(NULL, DEBUG_STDERR);
 215
 216         pc = poptGetContext(NULL, argc, argv, long_options,
 217                             POPT_CONTEXT_KEEP_FIRST);
 218         poptSetOtherOptionHelp(pc, "[OPTION...] [host-name] [host-ip]");
 219
 220         while(poptGetNextOpt(pc) != -1);
 221
 222 /*
 223         if (show_all_parameters) {
 224                 show_parameter_list();
 225                 exit(0);
 226         }
 227 */
 228
 229         if ( cname && ! caddr ) {
 230                 printf ( "ERROR: For 'hosts allow' check you must specify both a DNS name and an IP address.\n" );
 231                 return(1);
 232         }
 233 /*
 234   We need support for smb.conf macros before this will work again
 235
 236         if (new_local_machine) {
 237                 set_local_machine_name(new_local_machine, True);
 238         }
 239 */
 240
 241         lp_ctx = cmdline_lp_ctx;
 242
 243         /* We need this to force the output */
 244         lp_set_cmdline(lp_ctx, "log level", "2");
 245
 246         fprintf(stderr, "Loaded smb config files from %s\n", lp_configfile(lp_ctx));
 247
 248         if (!lp_load(lp_ctx, lp_configfile(lp_ctx))) {
 249                 fprintf(stderr,"Error loading services.\n");
 250                 return(1);
 251         }
 252
 253         fprintf(stderr,"Loaded services file OK.\n");
 254
 255         ret = do_global_checks(lp_ctx);
 256         ret |= do_share_checks(lp_ctx, cname, caddr, silent_mode, show_defaults, section_name, parameter_name);
 257
 258         return(ret);
 259 }
 260