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#ifdef WITH_PAM 138 } 139#endif 140 141 if(lp_passwd_chat() == NULL) { 142 fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \ 143parameter.\n"); 144 ret = 1; 145 } 146 147 /* 148 * Check that we have a valid script and that it hasn't 149 * been written to expect the old password. 150 */ 151 152 if(lp_encrypted_passwords()) { 153 if(strstr( lp_passwd_chat(), "%o")!=NULL) { 154 fprintf(stderr, "ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \ 155via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() ); 156 ret = 1; 157 } 158 } 159 } 160 161 if (strlen(lp_winbind_separator()) != 1) { 162 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n"); 163 ret = 1; 164 } 165 166 if (*lp_winbind_separator() == '+') { 167 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n"); 168 } 169 170 if (lp_algorithmic_rid_base() < BASE_RID) { 171 /* Try to prevent admin foot-shooting, we can't put algorithmic 172 rids below 1000, that's the 'well known RIDs' on NT */ 173 fprintf(stderr,"'algorithmic rid base' must be equal to or above %lu\n", BASE_RID); 174 } 175 176 if (lp_algorithmic_rid_base() & 1) { 177 fprintf(stderr,"'algorithmic rid base' must be even.\n"); 178 } 179 180#ifndef HAVE_DLOPEN 181 if (lp_preload_modules()) { 182 fprintf(stderr,"WARNING: 'preload modules = ' set while loading plugins not supported.\n"); 183 } 184#endif 185 186 if (!lp_passdb_backend()) { 187 fprintf(stderr,"ERROR: passdb backend must have a value or be left out\n"); 188 } 189 190 return ret; 191} 192 193 int main(int argc, const char *argv[]) 194{ 195 const char *config_file = dyn_CONFIGFILE; 196 int s; 197 static BOOL silent_mode = False; 198 int ret = 0; 199 poptContext pc; 200 static const char *term_code = ""; 201 static char *new_local_machine = NULL; 202 const char *cname; 203 const char *caddr; 204 static int show_defaults; 205 206 struct poptOption long_options[] = { 207 POPT_AUTOHELP 208 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"}, 209 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"}, 210 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"}, 211 {"encoding", 't', POPT_ARG_STRING, &term_code, 0, "Print parameters with encoding"}, 212 POPT_COMMON_VERSION 213 POPT_TABLEEND 214 }; 215 216 pc = poptGetContext(NULL, argc, argv, long_options, 217 POPT_CONTEXT_KEEP_FIRST); 218 poptSetOtherOptionHelp(pc, "[OPTION...] <config-file> [host-name] [host-ip]"); 219 220 while(poptGetNextOpt(pc) != -1); 221 222 setup_logging(poptGetArg(pc), True); 223 224 if (poptPeekArg(pc)) 225 config_file = poptGetArg(pc); 226 227 cname = poptGetArg(pc); 228 caddr = poptGetArg(pc); 229 230 if ( cname && ! caddr ) { 231 printf ( "ERROR: You must specify both a machine name and an IP address.\n" ); 232 return(1); 233 } 234 235 if (new_local_machine) { 236 set_local_machine_name(new_local_machine, True); 237 } 238 239 dbf = x_stderr; 240 DEBUGLEVEL = 2; 241 AllowDebugChange = False; 242 243 fprintf(stderr,"Load smb config files from %s\n",config_file); 244 245 if (!lp_load(config_file,False,True,False)) { 246 fprintf(stderr,"Error loading services.\n"); 247 return(1); 248 } 249 250 fprintf(stderr,"Loaded services file OK.\n"); 251 252 ret = do_global_checks(); 253 254 for (s=0;s<1000;s++) { 255 if (VALID_SNUM(s)) 256 if (strlen(lp_servicename(s)) > 12) { 257 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" ); 258 fprintf(stderr, "These may not be accessible to some older clients.\n" ); 259 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" ); 260 break; 261 } 262 } 263 264 for (s=0;s<1000;s++) { 265 if (VALID_SNUM(s)) { 266 const char **deny_list = lp_hostsdeny(s); 267 const char **allow_list = lp_hostsallow(s); 268 int i; 269 if(deny_list) { 270 for (i=0; deny_list[i]; i++) { 271 char *hasstar = strchr_m(deny_list[i], '*'); 272 char *hasquery = strchr_m(deny_list[i], '?'); 273 if(hasstar || hasquery) { 274 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n", 275 hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) ); 276 } 277 } 278 } 279 280 if(allow_list) { 281 for (i=0; allow_list[i]; i++) { 282 char *hasstar = strchr_m(allow_list[i], '*'); 283 char *hasquery = strchr_m(allow_list[i], '?'); 284 if(hasstar || hasquery) { 285 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n", 286 hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) ); 287 } 288 } 289 } 290 291 if(lp_level2_oplocks(s) && !lp_oplocks(s)) { 292 fprintf(stderr,"Invalid combination of parameters for service %s. \ 293 Level II oplocks can only be set if oplocks are also set.\n", 294 lp_servicename(s) ); 295 } 296 297 if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) { 298 fprintf(stderr,"Invalid combination of parameters for service %s. \ 299 Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n", 300 lp_servicename(s) ); 301 } 302 if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) { 303 fprintf(stderr,"Invalid combination of parameters for service %s. \ 304 Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n", 305 lp_servicename(s) ); 306 } 307 if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) { 308 fprintf(stderr,"Invalid combination of parameters for service %s. \ 309 Map system can only work if create mask includes octal 010 (S_IXGRP).\n", 310 lp_servicename(s) ); 311 } 312 if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) { 313 fprintf(stderr,"Invalid combination of parameters for service %s. \ 314 Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n", 315 lp_servicename(s) ); 316 } 317 } 318 } 319 320 321 if (!silent_mode) { 322 fprintf(stderr,"Server role: "); 323 switch(lp_server_role()) { 324 case ROLE_STANDALONE: 325 fprintf(stderr,"ROLE_STANDALONE\n"); 326 break; 327 case ROLE_DOMAIN_MEMBER: 328 fprintf(stderr,"ROLE_DOMAIN_MEMBER\n"); 329 break; 330 case ROLE_DOMAIN_BDC: 331 fprintf(stderr,"ROLE_DOMAIN_BDC\n"); 332 break; 333 case ROLE_DOMAIN_PDC: 334 fprintf(stderr,"ROLE_DOMAIN_PDC\n"); 335 break; 336 default: 337 fprintf(stderr,"Unknown -- internal error?\n"); 338 break; 339 } 340 } 341 342 if (!cname) { 343 if (!silent_mode) { 344 fprintf(stderr,"Press enter to see a dump of your service definitions\n"); 345 fflush(stdout); 346 getc(stdin); 347 } 348 lp_dump(stdout, show_defaults, lp_numservices()); 349 } 350 351 if(cname && caddr){ 352 /* this is totally ugly, a real `quick' hack */ 353 for (s=0;s<1000;s++) { 354 if (VALID_SNUM(s)) { 355 if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr) 356 && allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) { 357 fprintf(stderr,"Allow connection from %s (%s) to %s\n", 358 cname,caddr,lp_servicename(s)); 359 } else { 360 fprintf(stderr,"Deny connection from %s (%s) to %s\n", 361 cname,caddr,lp_servicename(s)); 362 } 363 } 364 } 365 } 366 return(ret); 367} 368