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 37extern BOOL AllowDebugChange; 38 39/*********************************************** 40 Here we do a set of 'hard coded' checks for bad 41 configuration settings. 42************************************************/ 43 44static int do_global_checks(void) 45{ 46 int ret = 0; 47 SMB_STRUCT_STAT st; 48 49 if (lp_security() >= SEC_DOMAIN && !lp_encrypted_passwords()) { 50 fprintf(stderr, "ERROR: in 'security=domain' mode the 'encrypt passwords' parameter must always be set to 'true'.\n"); 51 ret = 1; 52 } 53 54 if (lp_wins_support() && lp_wins_server_list()) { 55 fprintf(stderr, "ERROR: both 'wins support = true' and 'wins server = <server list>' \ 56cannot be set in the smb.conf file. nmbd will abort with this setting.\n"); 57 ret = 1; 58 } 59 60 if (!directory_exist(lp_lockdir(), &st)) { 61 fprintf(stderr, "ERROR: lock directory %s does not exist\n", 62 lp_lockdir()); 63 ret = 1; 64 } else if ((st.st_mode & 0777) != 0755) { 65 fprintf(stderr, "WARNING: lock directory %s should have permissions 0755 for browsing to work\n", 66 lp_lockdir()); 67 ret = 1; 68 } 69 70 if (!directory_exist(lp_piddir(), &st)) { 71 fprintf(stderr, "ERROR: pid directory %s does not exist\n", 72 lp_piddir()); 73 ret = 1; 74 } 75 76 /* 77 * Password server sanity checks. 78 */ 79 80 if((lp_security() == SEC_SERVER || lp_security() >= SEC_DOMAIN) && !lp_passwordserver()) { 81 pstring sec_setting; 82 if(lp_security() == SEC_SERVER) 83 pstrcpy(sec_setting, "server"); 84 else if(lp_security() == SEC_DOMAIN) 85 pstrcpy(sec_setting, "domain"); 86 87 fprintf(stderr, "ERROR: The setting 'security=%s' requires the 'password server' parameter be set \ 88to a valid password server.\n", sec_setting ); 89 ret = 1; 90 } 91 92 93 /* 94 * Check 'hosts equiv' and 'use rhosts' compatibility with 'hostname lookup' value. 95 */ 96 97 if(*lp_hosts_equiv() && !lp_hostname_lookups()) { 98 fprintf(stderr, "ERROR: The setting 'hosts equiv = %s' requires that 'hostname lookups = yes'.\n", lp_hosts_equiv()); 99 ret = 1; 100 } 101 102 /* 103 * Password chat sanity checks. 104 */ 105 106 if(lp_security() == SEC_USER && lp_unix_password_sync()) { 107 108 /* 109 * Check that we have a valid lp_passwd_program() if not using pam. 110 */ 111 112#ifdef WITH_PAM 113 if (!lp_pam_password_change()) { 114#endif 115 116 if(lp_passwd_program() == NULL) { 117 fprintf( stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd program' \ 118parameter.\n" ); 119 ret = 1; 120 } else { 121 pstring passwd_prog; 122 pstring truncated_prog; 123 const char *p; 124 125 pstrcpy( passwd_prog, lp_passwd_program()); 126 p = passwd_prog; 127 *truncated_prog = '\0'; 128 next_token(&p, truncated_prog, NULL, sizeof(pstring)); 129 130 if(access(truncated_prog, F_OK) == -1) { 131 fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and the 'passwd program' (%s) \ 132cannot be executed (error was %s).\n", truncated_prog, strerror(errno) ); 133 ret = 1; 134 } 135 136 } 137 138#ifdef WITH_PAM 139 } 140#endif 141 142 if(lp_passwd_chat() == NULL) { 143 fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \ 144parameter.\n"); 145 ret = 1; 146 } else 147 /* check if there's a %u parameter present */ 148 if(strstr_m(lp_passwd_program(), "%u") == NULL) { 149 fprintf(stderr, "ERROR: the 'passwd program' (%s) requires a '%%u' parameter.\n", lp_passwd_program()); 150 ret = 1; 151 } 152 153 /* 154 * Check that we have a valid script and that it hasn't 155 * been written to expect the old password. 156 */ 157 158 if(lp_encrypted_passwords()) { 159 if(strstr_m( lp_passwd_chat(), "%o")!=NULL) { 160 fprintf(stderr, "ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \ 161via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() ); 162 ret = 1; 163 } 164 } 165 } 166 167 if (strlen(lp_winbind_separator()) != 1) { 168 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n"); 169 ret = 1; 170 } 171 172 if (*lp_winbind_separator() == '+') { 173 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n"); 174 } 175 176 if (lp_algorithmic_rid_base() < BASE_RID) { 177 /* Try to prevent admin foot-shooting, we can't put algorithmic 178 rids below 1000, that's the 'well known RIDs' on NT */ 179 fprintf(stderr,"'algorithmic rid base' must be equal to or above %lu\n", BASE_RID); 180 } 181 182 if (lp_algorithmic_rid_base() & 1) { 183 fprintf(stderr,"'algorithmic rid base' must be even.\n"); 184 } 185 186#ifndef HAVE_DLOPEN 187 if (lp_preload_modules()) { 188 fprintf(stderr,"WARNING: 'preload modules = ' set while loading plugins not supported.\n"); 189 } 190#endif 191 192 if (!lp_passdb_backend()) { 193 fprintf(stderr,"ERROR: passdb backend must have a value or be left out\n"); 194 } 195 196 return ret; 197} 198 199 int main(int argc, const char *argv[]) 200{ 201 const char *config_file = dyn_CONFIGFILE; 202 int s; 203 static BOOL silent_mode = False; 204 int ret = 0; 205 poptContext pc; 206 static const char *term_code = ""; 207 static char *new_local_machine = NULL; 208 const char *cname; 209 const char *caddr; 210 static int show_defaults; 211 212 struct poptOption long_options[] = { 213 POPT_AUTOHELP 214 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"}, 215 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"}, 216 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"}, 217 {"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"}, 218 POPT_COMMON_VERSION 219 POPT_TABLEEND 220 }; 221 222 pc = poptGetContext(NULL, argc, argv, long_options, 223 POPT_CONTEXT_KEEP_FIRST); 224 poptSetOtherOptionHelp(pc, "[OPTION...] <config-file> [host-name] [host-ip]"); 225 226 while(poptGetNextOpt(pc) != -1); 227 228 setup_logging(poptGetArg(pc), True); 229 230 if (poptPeekArg(pc)) 231 config_file = poptGetArg(pc); 232 233 cname = poptGetArg(pc); 234 caddr = poptGetArg(pc); 235 236 if ( cname && ! caddr ) { 237 printf ( "ERROR: You must specify both a machine name and an IP address.\n" ); 238 return(1); 239 } 240 241 if (new_local_machine) { 242 set_local_machine_name(new_local_machine, True); 243 } 244 245 dbf = x_stderr; 246 DEBUGLEVEL = 2; 247 AllowDebugChange = False; 248 249 fprintf(stderr,"Load smb config files from %s\n",config_file); 250 251 if (!lp_load(config_file,False,True,False)) { 252 fprintf(stderr,"Error loading services.\n"); 253 return(1); 254 } 255 256 fprintf(stderr,"Loaded services file OK.\n"); 257 258 ret = do_global_checks(); 259 260 for (s=0;s<1000;s++) { 261 if (VALID_SNUM(s)) 262 if (strlen(lp_servicename(s)) > 12) { 263 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" ); 264 fprintf(stderr, "These may not be accessible to some older clients.\n" ); 265 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" ); 266 break; 267 } 268 } 269 270 for (s=0;s<1000;s++) { 271 if (VALID_SNUM(s)) { 272 const char **deny_list = lp_hostsdeny(s); 273 const char **allow_list = lp_hostsallow(s); 274 int i; 275 if(deny_list) { 276 for (i=0; deny_list[i]; i++) { 277 char *hasstar = strchr_m(deny_list[i], '*'); 278 char *hasquery = strchr_m(deny_list[i], '?'); 279 if(hasstar || hasquery) { 280 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n", 281 hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) ); 282 } 283 } 284 } 285 286 if(allow_list) { 287 for (i=0; allow_list[i]; i++) { 288 char *hasstar = strchr_m(allow_list[i], '*'); 289 char *hasquery = strchr_m(allow_list[i], '?'); 290 if(hasstar || hasquery) { 291 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n", 292 hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) ); 293 } 294 } 295 } 296 297 if(lp_level2_oplocks(s) && !lp_oplocks(s)) { 298 fprintf(stderr,"Invalid combination of parameters for service %s. \ 299 Level II oplocks can only be set if oplocks are also set.\n", 300 lp_servicename(s) ); 301 } 302 303 if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) { 304 fprintf(stderr,"Invalid combination of parameters for service %s. \ 305 Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n", 306 lp_servicename(s) ); 307 } 308 if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) { 309 fprintf(stderr,"Invalid combination of parameters for service %s. \ 310 Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n", 311 lp_servicename(s) ); 312 } 313 if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) { 314 fprintf(stderr,"Invalid combination of parameters for service %s. \ 315 Map system can only work if create mask includes octal 010 (S_IXGRP).\n", 316 lp_servicename(s) ); 317 } 318 if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) { 319 fprintf(stderr,"Invalid combination of parameters for service %s. \ 320 Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n", 321 lp_servicename(s) ); 322 } 323#ifdef HAVE_CUPS 324 if (lp_printing(s) == PRINT_CUPS && *(lp_printcommand(s)) != '\0') { 325 fprintf(stderr,"Warning: Service %s defines a print command, but \ 326print command parameter is ignored when using CUPS libraries.\n", 327 lp_servicename(s) ); 328 } 329#endif 330 } 331 } 332 333 334 if (!silent_mode) { 335 fprintf(stderr,"Server role: "); 336 switch(lp_server_role()) { 337 case ROLE_STANDALONE: 338 fprintf(stderr,"ROLE_STANDALONE\n"); 339 break; 340 case ROLE_DOMAIN_MEMBER: 341 fprintf(stderr,"ROLE_DOMAIN_MEMBER\n"); 342 break; 343 case ROLE_DOMAIN_BDC: 344 fprintf(stderr,"ROLE_DOMAIN_BDC\n"); 345 break; 346 case ROLE_DOMAIN_PDC: 347 fprintf(stderr,"ROLE_DOMAIN_PDC\n"); 348 break; 349 default: 350 fprintf(stderr,"Unknown -- internal error?\n"); 351 break; 352 } 353 } 354 355 if (!cname) { 356 if (!silent_mode) { 357 fprintf(stderr,"Press enter to see a dump of your service definitions\n"); 358 fflush(stdout); 359 getc(stdin); 360 } 361 lp_dump(stdout, show_defaults, lp_numservices()); 362 } 363 364 if(cname && caddr){ 365 /* this is totally ugly, a real `quick' hack */ 366 for (s=0;s<1000;s++) { 367 if (VALID_SNUM(s)) { 368 if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr) 369 && allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) { 370 fprintf(stderr,"Allow connection from %s (%s) to %s\n", 371 cname,caddr,lp_servicename(s)); 372 } else { 373 fprintf(stderr,"Deny connection from %s (%s) to %s\n", 374 cname,caddr,lp_servicename(s)); 375 } 376 } 377 } 378 } 379 return(ret); 380} 381 382