source: branches/samba-3.5.x/source3/utils/testparm.c@ 737

Last change on this file since 737 was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 13.7 KB
Line 
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 3 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, see <http://www.gnu.org/licenses/>.
21*/
22
23/*
24 * Testbed for loadparm.c/params.c
25 *
26 * This module simply loads a specified configuration file and
27 * if successful, dumps it's contents to stdout. Note that the
28 * operation is performed with DEBUGLEVEL at 3.
29 *
30 * Useful for a quick 'syntax check' of a configuration file.
31 *
32 */
33
34#include "includes.h"
35
36extern bool AllowDebugChange;
37
38/*******************************************************************
39 Check if a directory exists.
40********************************************************************/
41
42static bool directory_exist_stat(char *dname,SMB_STRUCT_STAT *st)
43{
44 SMB_STRUCT_STAT st2;
45 bool ret;
46
47 if (!st)
48 st = &st2;
49
50 if (sys_stat(dname, st, false) != 0)
51 return(False);
52
53 ret = S_ISDIR(st->st_ex_mode);
54 if(!ret)
55 errno = ENOTDIR;
56 return ret;
57}
58
59/***********************************************
60 Here we do a set of 'hard coded' checks for bad
61 configuration settings.
62************************************************/
63
64static int do_global_checks(void)
65{
66 int ret = 0;
67 SMB_STRUCT_STAT st;
68
69 if (lp_security() >= SEC_DOMAIN && !lp_encrypted_passwords()) {
70 fprintf(stderr, "ERROR: in 'security=domain' mode the 'encrypt passwords' parameter must always be set to 'true'.\n");
71 ret = 1;
72 }
73
74 if (lp_wins_support() && lp_wins_server_list()) {
75 fprintf(stderr, "ERROR: both 'wins support = true' and 'wins server = <server list>' \
76cannot be set in the smb.conf file. nmbd will abort with this setting.\n");
77 ret = 1;
78 }
79
80 if (!directory_exist_stat(lp_lockdir(), &st)) {
81 fprintf(stderr, "ERROR: lock directory %s does not exist\n",
82 lp_lockdir());
83 ret = 1;
84 } else if ((st.st_ex_mode & 0777) != 0755) {
85 fprintf(stderr, "WARNING: lock directory %s should have permissions 0755 for browsing to work\n",
86 lp_lockdir());
87 ret = 1;
88 }
89
90 if (!directory_exist_stat(lp_statedir(), &st)) {
91 fprintf(stderr, "ERROR: state directory %s does not exist\n",
92 lp_statedir());
93 ret = 1;
94 } else if ((st.st_ex_mode & 0777) != 0755) {
95 fprintf(stderr, "WARNING: state directory %s should have permissions 0755 for browsing to work\n",
96 lp_statedir());
97 ret = 1;
98 }
99
100 if (!directory_exist_stat(lp_cachedir(), &st)) {
101 fprintf(stderr, "ERROR: cache directory %s does not exist\n",
102 lp_cachedir());
103 ret = 1;
104 } else if ((st.st_ex_mode & 0777) != 0755) {
105 fprintf(stderr, "WARNING: cache directory %s should have permissions 0755 for browsing to work\n",
106 lp_cachedir());
107 ret = 1;
108 }
109
110 if (!directory_exist_stat(lp_piddir(), &st)) {
111 fprintf(stderr, "ERROR: pid directory %s does not exist\n",
112 lp_piddir());
113 ret = 1;
114 }
115
116 if (lp_passdb_expand_explicit()) {
117 fprintf(stderr, "WARNING: passdb expand explicit = yes is "
118 "deprecated\n");
119 }
120
121 /*
122 * Password server sanity checks.
123 */
124
125 if((lp_security() == SEC_SERVER || lp_security() >= SEC_DOMAIN) && !lp_passwordserver()) {
126 const char *sec_setting;
127 if(lp_security() == SEC_SERVER)
128 sec_setting = "server";
129 else if(lp_security() == SEC_DOMAIN)
130 sec_setting = "domain";
131 else
132 sec_setting = "";
133
134 fprintf(stderr, "ERROR: The setting 'security=%s' requires the 'password server' parameter be set \
135to a valid password server.\n", sec_setting );
136 ret = 1;
137 }
138
139 /*
140 * Password chat sanity checks.
141 */
142
143 if(lp_security() == SEC_USER && lp_unix_password_sync()) {
144
145 /*
146 * Check that we have a valid lp_passwd_program() if not using pam.
147 */
148
149#ifdef WITH_PAM
150 if (!lp_pam_password_change()) {
151#endif
152
153 if((lp_passwd_program() == NULL) ||
154 (strlen(lp_passwd_program()) == 0))
155 {
156 fprintf( stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd program' \
157parameter.\n" );
158 ret = 1;
159 } else {
160 const char *passwd_prog;
161 char *truncated_prog = NULL;
162 const char *p;
163
164 passwd_prog = lp_passwd_program();
165 p = passwd_prog;
166 next_token_talloc(talloc_tos(),
167 &p,
168 &truncated_prog, NULL);
169 if (truncated_prog && access(truncated_prog, F_OK) == -1) {
170 fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and the 'passwd program' (%s) \
171cannot be executed (error was %s).\n", truncated_prog, strerror(errno) );
172 ret = 1;
173 }
174 }
175
176#ifdef WITH_PAM
177 }
178#endif
179
180 if(lp_passwd_chat() == NULL) {
181 fprintf(stderr, "ERROR: the 'unix password sync' parameter is set and there is no valid 'passwd chat' \
182parameter.\n");
183 ret = 1;
184 }
185
186 if ((lp_passwd_program() != NULL) &&
187 (strlen(lp_passwd_program()) > 0))
188 {
189 /* check if there's a %u parameter present */
190 if(strstr_m(lp_passwd_program(), "%u") == NULL) {
191 fprintf(stderr, "ERROR: the 'passwd program' (%s) requires a '%%u' parameter.\n", lp_passwd_program());
192 ret = 1;
193 }
194 }
195
196 /*
197 * Check that we have a valid script and that it hasn't
198 * been written to expect the old password.
199 */
200
201 if(lp_encrypted_passwords()) {
202 if(strstr_m( lp_passwd_chat(), "%o")!=NULL) {
203 fprintf(stderr, "ERROR: the 'passwd chat' script [%s] expects to use the old plaintext password \
204via the %%o substitution. With encrypted passwords this is not possible.\n", lp_passwd_chat() );
205 ret = 1;
206 }
207 }
208 }
209
210 if (strlen(lp_winbind_separator()) != 1) {
211 fprintf(stderr,"ERROR: the 'winbind separator' parameter must be a single character.\n");
212 ret = 1;
213 }
214
215 if (*lp_winbind_separator() == '+') {
216 fprintf(stderr,"'winbind separator = +' might cause problems with group membership.\n");
217 }
218
219 if (lp_algorithmic_rid_base() < BASE_RID) {
220 /* Try to prevent admin foot-shooting, we can't put algorithmic
221 rids below 1000, that's the 'well known RIDs' on NT */
222 fprintf(stderr,"'algorithmic rid base' must be equal to or above %lu\n", BASE_RID);
223 }
224
225 if (lp_algorithmic_rid_base() & 1) {
226 fprintf(stderr,"'algorithmic rid base' must be even.\n");
227 }
228
229#ifndef HAVE_DLOPEN
230 if (lp_preload_modules()) {
231 fprintf(stderr,"WARNING: 'preload modules = ' set while loading plugins not supported.\n");
232 }
233#endif
234
235 if (!lp_passdb_backend()) {
236 fprintf(stderr,"ERROR: passdb backend must have a value or be left out\n");
237 }
238
239 if (lp_os_level() > 255) {
240 fprintf(stderr,"WARNING: Maximum value for 'os level' is 255!\n");
241 }
242
243 return ret;
244}
245
246/**
247 * per-share logic tests
248 */
249static void do_per_share_checks(int s)
250{
251 const char **deny_list = lp_hostsdeny(s);
252 const char **allow_list = lp_hostsallow(s);
253 int i;
254
255 if(deny_list) {
256 for (i=0; deny_list[i]; i++) {
257 char *hasstar = strchr_m(deny_list[i], '*');
258 char *hasquery = strchr_m(deny_list[i], '?');
259 if(hasstar || hasquery) {
260 fprintf(stderr,"Invalid character %c in hosts deny list (%s) for service %s.\n",
261 hasstar ? *hasstar : *hasquery, deny_list[i], lp_servicename(s) );
262 }
263 }
264 }
265
266 if(allow_list) {
267 for (i=0; allow_list[i]; i++) {
268 char *hasstar = strchr_m(allow_list[i], '*');
269 char *hasquery = strchr_m(allow_list[i], '?');
270 if(hasstar || hasquery) {
271 fprintf(stderr,"Invalid character %c in hosts allow list (%s) for service %s.\n",
272 hasstar ? *hasstar : *hasquery, allow_list[i], lp_servicename(s) );
273 }
274 }
275 }
276
277 if(lp_level2_oplocks(s) && !lp_oplocks(s)) {
278 fprintf(stderr,"Invalid combination of parameters for service %s. \
279 Level II oplocks can only be set if oplocks are also set.\n",
280 lp_servicename(s) );
281 }
282
283 if (lp_map_hidden(s) && !(lp_create_mask(s) & S_IXOTH)) {
284 fprintf(stderr,"Invalid combination of parameters for service %s. \
285 Map hidden can only work if create mask includes octal 01 (S_IXOTH).\n",
286 lp_servicename(s) );
287 }
288 if (lp_map_hidden(s) && (lp_force_create_mode(s) & S_IXOTH)) {
289 fprintf(stderr,"Invalid combination of parameters for service %s. \
290 Map hidden can only work if force create mode excludes octal 01 (S_IXOTH).\n",
291 lp_servicename(s) );
292 }
293 if (lp_map_system(s) && !(lp_create_mask(s) & S_IXGRP)) {
294 fprintf(stderr,"Invalid combination of parameters for service %s. \
295 Map system can only work if create mask includes octal 010 (S_IXGRP).\n",
296 lp_servicename(s) );
297 }
298 if (lp_map_system(s) && (lp_force_create_mode(s) & S_IXGRP)) {
299 fprintf(stderr,"Invalid combination of parameters for service %s. \
300 Map system can only work if force create mode excludes octal 010 (S_IXGRP).\n",
301 lp_servicename(s) );
302 }
303#ifdef HAVE_CUPS
304 if (lp_printing(s) == PRINT_CUPS && *(lp_printcommand(s)) != '\0') {
305 fprintf(stderr,"Warning: Service %s defines a print command, but \
306rameter is ignored when using CUPS libraries.\n",
307 lp_servicename(s) );
308 }
309#endif
310}
311
312 int main(int argc, const char *argv[])
313{
314 const char *config_file = get_dyn_CONFIGFILE();
315 int s;
316 static int silent_mode = False;
317 static int show_all_parameters = False;
318 int ret = 0;
319 poptContext pc;
320 static char *parameter_name = NULL;
321 static const char *section_name = NULL;
322 static char *new_local_machine = NULL;
323 const char *cname;
324 const char *caddr;
325 static int show_defaults;
326 static int skip_logic_checks = 0;
327
328 struct poptOption long_options[] = {
329 POPT_AUTOHELP
330 {"suppress-prompt", 's', POPT_ARG_VAL, &silent_mode, 1, "Suppress prompt for enter"},
331 {"verbose", 'v', POPT_ARG_NONE, &show_defaults, 1, "Show default options too"},
332 {"server", 'L',POPT_ARG_STRING, &new_local_machine, 0, "Set %%L macro to servername\n"},
333 {"skip-logic-checks", 'l', POPT_ARG_NONE, &skip_logic_checks, 1, "Skip the global checks"},
334 {"show-all-parameters", '\0', POPT_ARG_VAL, &show_all_parameters, True, "Show the parameters, type, possible values" },
335 {"parameter-name", '\0', POPT_ARG_STRING, &parameter_name, 0, "Limit testparm to a named parameter" },
336 {"section-name", '\0', POPT_ARG_STRING, &section_name, 0, "Limit testparm to a named section" },
337 POPT_COMMON_VERSION
338 POPT_COMMON_DEBUGLEVEL
339 POPT_TABLEEND
340 };
341
342 TALLOC_CTX *frame = talloc_stackframe();
343
344 load_case_tables();
345 /*
346 * Set the default debug level to 2.
347 * Allow it to be overridden by the command line,
348 * not by smb.conf.
349 */
350 DEBUGLEVEL_CLASS[DBGC_ALL] = 2;
351
352 pc = poptGetContext(NULL, argc, argv, long_options,
353 POPT_CONTEXT_KEEP_FIRST);
354 poptSetOtherOptionHelp(pc, "[OPTION...] <config-file> [host-name] [host-ip]");
355
356 while(poptGetNextOpt(pc) != -1);
357
358 if (show_all_parameters) {
359 show_parameter_list();
360 exit(0);
361 }
362
363 setup_logging(poptGetArg(pc), True);
364
365 if (poptPeekArg(pc))
366 config_file = poptGetArg(pc);
367
368 cname = poptGetArg(pc);
369 caddr = poptGetArg(pc);
370
371 poptFreeContext(pc);
372
373 if ( cname && ! caddr ) {
374 printf ( "ERROR: You must specify both a machine name and an IP address.\n" );
375 ret = 1;
376 goto done;
377 }
378
379 if (new_local_machine) {
380 set_local_machine_name(new_local_machine, True);
381 }
382
383 dbf = x_stderr;
384 /* Don't let the debuglevel be changed by smb.conf. */
385 AllowDebugChange = False;
386
387 fprintf(stderr,"Load smb config files from %s\n",config_file);
388
389 if (!lp_load_with_registry_shares(config_file,False,True,False,True)) {
390 fprintf(stderr,"Error loading services.\n");
391 ret = 1;
392 goto done;
393 }
394
395 fprintf(stderr,"Loaded services file OK.\n");
396
397 if (skip_logic_checks == 0) {
398 ret = do_global_checks();
399 }
400
401 for (s=0;s<1000;s++) {
402 if (VALID_SNUM(s))
403 if (strlen(lp_servicename(s)) > 12) {
404 fprintf(stderr, "WARNING: You have some share names that are longer than 12 characters.\n" );
405 fprintf(stderr, "These may not be accessible to some older clients.\n" );
406 fprintf(stderr, "(Eg. Windows9x, WindowsMe, and smbclient prior to Samba 3.0.)\n" );
407 break;
408 }
409 }
410
411 for (s=0;s<1000;s++) {
412 if (VALID_SNUM(s) && (skip_logic_checks == 0)) {
413 do_per_share_checks(s);
414 }
415 }
416
417
418 if (!section_name && !parameter_name) {
419 fprintf(stderr,"Server role: %s\n", server_role_str(lp_server_role()));
420 }
421
422 if (!cname) {
423 if (!silent_mode) {
424 fprintf(stderr,"Press enter to see a dump of your service definitions\n");
425 fflush(stdout);
426 getc(stdin);
427 }
428 if (parameter_name || section_name) {
429 bool isGlobal = False;
430 s = GLOBAL_SECTION_SNUM;
431
432 if (!section_name) {
433 section_name = GLOBAL_NAME;
434 isGlobal = True;
435 } else if ((isGlobal=!strwicmp(section_name, GLOBAL_NAME)) == 0 &&
436 (s=lp_servicenumber(section_name)) == -1) {
437 fprintf(stderr,"Unknown section %s\n",
438 section_name);
439 ret = 1;
440 goto done;
441 }
442 if (parameter_name) {
443 if (!dump_a_parameter( s, parameter_name, stdout, isGlobal)) {
444 fprintf(stderr,"Parameter %s unknown for section %s\n",
445 parameter_name, section_name);
446 ret = 1;
447 goto done;
448 }
449 } else {
450 if (isGlobal == True)
451 lp_dump(stdout, show_defaults, 0);
452 else
453 lp_dump_one(stdout, show_defaults, s);
454 }
455 goto done;
456 }
457
458 lp_dump(stdout, show_defaults, lp_numservices());
459 }
460
461 if(cname && caddr){
462 /* this is totally ugly, a real `quick' hack */
463 for (s=0;s<1000;s++) {
464 if (VALID_SNUM(s)) {
465 if (allow_access(lp_hostsdeny(-1), lp_hostsallow(-1), cname, caddr)
466 && allow_access(lp_hostsdeny(s), lp_hostsallow(s), cname, caddr)) {
467 fprintf(stderr,"Allow connection from %s (%s) to %s\n",
468 cname,caddr,lp_servicename(s));
469 } else {
470 fprintf(stderr,"Deny connection from %s (%s) to %s\n",
471 cname,caddr,lp_servicename(s));
472 }
473 }
474 }
475 }
476
477done:
478 gfree_loadparm();
479 TALLOC_FREE(frame);
480 return ret;
481}
482
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