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 if (lp_passdb_expand_explicit()) { 77 fprintf(stderr, "WARNING: passdb expand explicit = yes is " 78 "deprecated\n"); 79 } 80 81 /* 82 * Password server sanity checks. 83 */ 84 85 if((lp_security() == SEC_SERVER || lp_security() >= SEC_DOMAIN) && !lp_passwordserver()) { 86 pstring sec_setting; 87 if(lp_security() == SEC_SERVER) 88 pstrcpy(sec_setting, "server"); 89 else if(lp_security() == SEC_DOMAIN) 90 pstrcpy(sec_setting, "domain"); 91 92 fprintf(stderr, "ERROR: The setting 'security=%s' requires the 'password server' parameter be set \ 93to a valid password server.\n", sec_setting ); 94 ret = 1; 95 } 96 97 98 /* 99 * Password chat sanity checks. 100 */ 101 102 if(lp_security() == SEC_USER && lp_unix_password_sync()) { 103 104 /* 105 * Check that we have a valid lp_passwd_program() if not using pam. 106 */ 107 108#ifdef WITH_PAM 109 if (!lp_pam_password_change()) { 110#endif 111 112 if(lp_passwd_program() == NULL) { 113 fprintf( stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd program' \ 114parameter.\n" ); 115 ret = 1; 116 } else { 117 pstring passwd_prog; 118 pstring truncated_prog; 119 const char *p; 120 121 pstrcpy( passwd_prog, lp_passwd_program()); 122 p = passwd_prog; 123 *truncated_prog = '\0'; 124 next_token(&p, truncated_prog, NULL, sizeof(pstring)); 125 126 if(access(truncated_prog, F_OK) == -1) { 127 fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and the 'passwd program' (%s) \ 128cannot be executed (error was %s).\n", truncated_prog, strerror(errno) ); 129 ret = 1; 130 } 131 132 } 133 134#ifdef WITH_PAM 135 } 136#endif 137 138 if(lp_passwd_chat() == NULL) { 139 fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \ 140parameter.\n"); 141 ret = 1; 142 } else 143 /* check if there's a %u parameter present */ 144 if(strstr_m(lp_passwd_program(), "%u") == NULL) { 145 fprintf(stderr, "ERROR: the 'passwd program' (%s) requires a '%%u' parameter.\n", lp_passwd_program()); 146 ret = 1; 147 } 148 149 /* 150 * Check that we have a valid script and that it hasn't 151 * been written to expect the old password. 152 */ 153 154 if(lp_encrypted_passwords()) { 155 if(strstr_m( lp_passwd_chat(), "%o")!=NULL) { 156 fprintf(stderr, "ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \ 157via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() ); 158 ret = 1; 159 } 160 } 161 } 162 163 if (strlen(lp_winbind_separator()) != 1) { 164 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n"); 165 ret = 1; 166 } 167 168 if (*lp_winbind_separator() == '+') { 169 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n"); 170 } 171 172 if (lp_algorithmic_rid_base() < BASE_RID) { 173 /* Try to prevent admin foot-shooting, we can't put algorithmic 174 rids below 1000, that's the 'well known RIDs' on NT */ 175 fprintf(stderr,"'algorithmic rid base' must be equal to or above %lu\n", BASE_RID); 176 } 177 178 if (lp_algorithmic_rid_base() & 1) { 179 fprintf(stderr,"'algorithmic rid base' must be even.\n"); 180 } 181 182#ifndef HAVE_DLOPEN 183 if (lp_preload_modules()) { 184 fprintf(stderr,"WARNING: 'preload modules = ' set while loading plugins not supported.\n"); 185 } 186#endif 187 188 if (!lp_passdb_backend()) { 189 fprintf(stderr,"ERROR: passdb backend must have a value or be left out\n"); 190 } 191 192 return ret; 193} 194 195 int main(int argc, const char *argv[]) 196{ 197 const char *config_file = dyn_CONFIGFILE; 198 int s; 199 static BOOL silent_mode = False; 200 static BOOL show_all_parameters = False; 201 int ret = 0; 202 poptContext pc; 203 static const char *term_code = ""; 204 static char *parameter_name = NULL; 205 static const char *section_name = NULL; 206 static char *new_local_machine = NULL; 207 const char *cname; 208 const char *caddr; 209 static int show_defaults; 210 211 struct poptOption long_options[] = { 212 POPT_AUTOHELP 213 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"}, 214 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"}, 215 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"}, 216 {"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"}, 217 {"show-all-parameters", '\0', POPT_ARG_VAL, &show_all_parameters, True, "Show the parameters, type, possible values" }, 218 {"parameter-name", '\0', POPT_ARG_STRING, ¶meter_name, 0, "Limit testparm to a named parameter" }, 219 {"section-name", '\0', POPT_ARG_STRING, §ion_name, 0, "Limit testparm to a named section" }, 220 POPT_COMMON_VERSION 221 POPT_TABLEEND 222 }; 223 224 load_case_tables(); 225 226 pc = poptGetContext(NULL, argc, argv, long_options, 227 POPT_CONTEXT_KEEP_FIRST); 228 poptSetOtherOptionHelp(pc, "[OPTION...] <config-file> [host-name] [host-ip]"); 229 230 while(poptGetNextOpt(pc) != -1); 231 232 if (show_all_parameters) { 233 show_parameter_list(); 234 exit(0); 235 } 236 237 setup_logging(poptGetArg(pc), True); 238 239 if (poptPeekArg(pc)) 240 config_file = poptGetArg(pc); 241 242 cname = poptGetArg(pc); 243 caddr = poptGetArg(pc); 244 245 if ( cname && ! caddr ) { 246 printf ( "ERROR: You must specify both a machine name and an IP address.\n" ); 247 return(1); 248 } 249 250 if (new_local_machine) { 251 set_local_machine_name(new_local_machine, True); 252 } 253 254 dbf = x_stderr; 255 DEBUGLEVEL = 2; 256 AllowDebugChange = False; 257 258 fprintf(stderr,"Load smb config files from %s\n",config_file); 259 260 if (!lp_load(config_file,False,True,False,True)) { 261 fprintf(stderr,"Error loading services.\n"); 262 return(1); 263 } 264 265 fprintf(stderr,"Loaded services file OK.\n"); 266 267 ret = do_global_checks(); 268 269 for (s=0;s<1000;s++) { 270 if (VALID_SNUM(s)) 271 if (strlen(lp_servicename(s)) > 12) { 272 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" ); 273 fprintf(stderr, "These may not be accessible to some older clients.\n" ); 274 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" ); 275 break; 276 } 277 } 278 279 for (s=0;s<1000;s++) { 280 if (VALID_SNUM(s)) { 281 const char **deny_list = lp_hostsdeny(s); 282 const char **allow_list = lp_hostsallow(s); 283 int i; 284 if(deny_list) { 285 for (i=0; deny_list[i]; i++) { 286 char *hasstar = strchr_m(deny_list[i], '*'); 287 char *hasquery = strchr_m(deny_list[i], '?'); 288 if(hasstar || hasquery) { 289 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n", 290 hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) ); 291 } 292 } 293 } 294 295 if(allow_list) { 296 for (i=0; allow_list[i]; i++) { 297 char *hasstar = strchr_m(allow_list[i], '*'); 298 char *hasquery = strchr_m(allow_list[i], '?'); 299 if(hasstar || hasquery) { 300 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n", 301 hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) ); 302 } 303 } 304 } 305 306 if(lp_level2_oplocks(s) && !lp_oplocks(s)) { 307 fprintf(stderr,"Invalid combination of parameters for service %s. \ 308 Level II oplocks can only be set if oplocks are also set.\n", 309 lp_servicename(s) ); 310 } 311 312 if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) { 313 fprintf(stderr,"Invalid combination of parameters for service %s. \ 314 Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n", 315 lp_servicename(s) ); 316 } 317 if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) { 318 fprintf(stderr,"Invalid combination of parameters for service %s. \ 319 Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n", 320 lp_servicename(s) ); 321 } 322 if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) { 323 fprintf(stderr,"Invalid combination of parameters for service %s. \ 324 Map system can only work if create mask includes octal 010 (S_IXGRP).\n", 325 lp_servicename(s) ); 326 } 327 if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) { 328 fprintf(stderr,"Invalid combination of parameters for service %s. \ 329 Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n", 330 lp_servicename(s) ); 331 } 332#ifdef HAVE_CUPS 333 if (lp_printing(s) == PRINT_CUPS && *(lp_printcommand(s)) != '\0') { 334 fprintf(stderr,"Warning: Service %s defines a print command, but \ 335print command parameter is ignored when using CUPS libraries.\n", 336 lp_servicename(s) ); 337 } 338#endif 339 } 340 } 341 342 343 if (!section_name && !parameter_name) { 344 fprintf(stderr,"Server role: %s\n", server_role_str(lp_server_role())); 345 } 346 347 if (!cname) { 348 if (!silent_mode) { 349 fprintf(stderr,"Press enter to see a dump of your service definitions\n"); 350 fflush(stdout); 351 getc(stdin); 352 } 353 if (parameter_name || section_name) { 354 BOOL isGlobal = False; 355 s = GLOBAL_SECTION_SNUM; 356 357 if (!section_name) { 358 section_name = GLOBAL_NAME; 359 isGlobal = True; 360 } else if ((isGlobal=!strwicmp(section_name, GLOBAL_NAME)) == 0 && 361 (s=lp_servicenumber(section_name)) == -1) { 362 fprintf(stderr,"Unknown section %s\n", 363 section_name); 364 return(1); 365 } 366 if (parameter_name) { 367 if (!dump_a_parameter( s, parameter_name, stdout, isGlobal)) { 368 fprintf(stderr,"Parameter %s unknown for section %s\n", 369 parameter_name, section_name); 370 return(1); 371 } 372 } else { 373 if (isGlobal == True) 374 lp_dump(stdout, show_defaults, 0); 375 else 376 lp_dump_one(stdout, show_defaults, s); 377 } 378 return(ret); 379 } 380 381 lp_dump(stdout, show_defaults, lp_numservices()); 382 } 383 384 if(cname && caddr){ 385 /* this is totally ugly, a real `quick' hack */ 386 for (s=0;s<1000;s++) { 387 if (VALID_SNUM(s)) { 388 if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr) 389 && allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) { 390 fprintf(stderr,"Allow connection from %s (%s) to %s\n", 391 cname,caddr,lp_servicename(s)); 392 } else { 393 fprintf(stderr,"Deny connection from %s (%s) to %s\n", 394 cname,caddr,lp_servicename(s)); 395 } 396 } 397 } 398 } 399 return(ret); 400} 401 402