1/*
2   Unix SMB/CIFS implementation.
3   VFS module tester
4
5   Copyright (C) Simo Sorce 2002
6   Copyright (C) Eric Lorimer 2002
7   Copyright (C) Jelmer Vernooij 2002,2003
8
9   Most of this code was ripped off of rpcclient.
10   Copyright (C) Tim Potter 2000-2001
11
12   This program is free software; you can redistribute it and/or modify
13   it under the terms of the GNU General Public License as published by
14   the Free Software Foundation; either version 2 of the License, or
15   (at your option) any later version.
16
17   This program is distributed in the hope that it will be useful,
18   but WITHOUT ANY WARRANTY; without even the implied warranty of
19   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20   GNU General Public License for more details.
21
22   You should have received a copy of the GNU General Public License
23   along with this program; if not, write to the Free Software
24   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25*/
26
27#include "includes.h"
28#include "vfstest.h"
29
30/* List to hold groups of commands */
31static struct cmd_list {
32	struct cmd_list *prev, *next;
33	struct cmd_set *cmd_set;
34} *cmd_list;
35
36extern pstring user_socket_options;
37
38/****************************************************************************
39handle completion of commands for readline
40****************************************************************************/
41static char **completion_fn(char *text, int start, int end)
42{
43#define MAX_COMPLETIONS 100
44	char **matches;
45	int i, count=0;
46	struct cmd_list *commands = cmd_list;
47
48	if (start)
49		return NULL;
50
51	/* make sure we have a list of valid commands */
52	if (!commands)
53		return NULL;
54
55	matches = (char **)malloc(sizeof(matches[0])*MAX_COMPLETIONS);
56	if (!matches) return NULL;
57
58	matches[count++] = strdup(text);
59	if (!matches[0]) return NULL;
60
61	while (commands && count < MAX_COMPLETIONS-1)
62	{
63		if (!commands->cmd_set)
64			break;
65
66		for (i=0; commands->cmd_set[i].name; i++)
67		{
68			if ((strncmp(text, commands->cmd_set[i].name, strlen(text)) == 0) &&
69				commands->cmd_set[i].fn)
70			{
71				matches[count] = strdup(commands->cmd_set[i].name);
72				if (!matches[count])
73					return NULL;
74				count++;
75			}
76		}
77
78		commands = commands->next;
79
80	}
81
82	if (count == 2) {
83		SAFE_FREE(matches[0]);
84		matches[0] = strdup(matches[1]);
85	}
86	matches[count] = NULL;
87	return matches;
88}
89
90static char* next_command(char** cmdstr)
91{
92	static pstring 		command;
93	char			*p;
94
95	if (!cmdstr || !(*cmdstr))
96		return NULL;
97
98	p = strchr_m(*cmdstr, ';');
99	if (p)
100		*p = '\0';
101	pstrcpy(command, *cmdstr);
102	*cmdstr = p;
103
104	return command;
105}
106
107/* Load specified configuration file */
108static NTSTATUS cmd_conf(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
109			int argc, const char **argv)
110{
111	if (argc != 2) {
112		printf("Usage: %s <smb.conf>\n", argv[0]);
113		return NT_STATUS_OK;
114	}
115
116	if (!lp_load(argv[1], False, True, False)) {
117		printf("Error loading \"%s\"\n", argv[1]);
118		return NT_STATUS_OK;
119	}
120
121	printf("\"%s\" successfully loaded\n", argv[1]);
122	return NT_STATUS_OK;
123}
124
125/* Display help on commands */
126static NTSTATUS cmd_help(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
127			 int argc, const char **argv)
128{
129	struct cmd_list *tmp;
130	struct cmd_set *tmp_set;
131
132	/* Usage */
133	if (argc > 2) {
134		printf("Usage: %s [command]\n", argv[0]);
135		return NT_STATUS_OK;
136	}
137
138	/* Help on one command */
139
140	if (argc == 2) {
141		for (tmp = cmd_list; tmp; tmp = tmp->next) {
142
143			tmp_set = tmp->cmd_set;
144
145			while(tmp_set->name) {
146				if (strequal(argv[1], tmp_set->name)) {
147					if (tmp_set->usage &&
148					    tmp_set->usage[0])
149						printf("%s\n", tmp_set->usage);
150					else
151						printf("No help for %s\n", tmp_set->name);
152
153					return NT_STATUS_OK;
154				}
155
156				tmp_set++;
157			}
158		}
159
160		printf("No such command: %s\n", argv[1]);
161		return NT_STATUS_OK;
162	}
163
164	/* List all commands */
165
166	for (tmp = cmd_list; tmp; tmp = tmp->next) {
167
168		tmp_set = tmp->cmd_set;
169
170		while(tmp_set->name) {
171
172			printf("%15s\t\t%s\n", tmp_set->name,
173			       tmp_set->description ? tmp_set->description:
174			       "");
175
176			tmp_set++;
177		}
178	}
179
180	return NT_STATUS_OK;
181}
182
183/* Change the debug level */
184static NTSTATUS cmd_debuglevel(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
185{
186	if (argc > 2) {
187		printf("Usage: %s [debuglevel]\n", argv[0]);
188		return NT_STATUS_OK;
189	}
190
191	if (argc == 2) {
192		DEBUGLEVEL = atoi(argv[1]);
193	}
194
195	printf("debuglevel is %d\n", DEBUGLEVEL);
196
197	return NT_STATUS_OK;
198}
199
200static NTSTATUS cmd_freemem(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
201{
202	/* Cleanup */
203	talloc_destroy(mem_ctx);
204	mem_ctx = NULL;
205	vfs->data = NULL;
206	vfs->data_size = 0;
207	return NT_STATUS_OK;
208}
209
210static NTSTATUS cmd_quit(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
211{
212	/* Cleanup */
213	talloc_destroy(mem_ctx);
214
215	exit(0);
216	return NT_STATUS_OK; /* NOTREACHED */
217}
218
219static struct cmd_set vfstest_commands[] = {
220
221	{ "GENERAL OPTIONS" },
222
223	{ "conf", 	cmd_conf, 	"Load smb configuration file", "conf <smb.conf>" },
224	{ "help", 	cmd_help, 	"Get help on commands", "" },
225	{ "?", 		cmd_help, 	"Get help on commands", "" },
226	{ "debuglevel", cmd_debuglevel, "Set debug level", "" },
227	{ "freemem",	cmd_freemem,	"Free currently allocated buffers", "" },
228	{ "exit", 	cmd_quit, 	"Exit program", "" },
229	{ "quit", 	cmd_quit, 	"Exit program", "" },
230
231	{ NULL }
232};
233
234static struct cmd_set separator_command[] = {
235	{ "---------------", NULL,	"----------------------" },
236	{ NULL }
237};
238
239
240extern struct cmd_set vfs_commands[];
241static struct cmd_set *vfstest_command_list[] = {
242	vfstest_commands,
243	vfs_commands,
244	NULL
245};
246
247static void add_command_set(struct cmd_set *cmd_set)
248{
249	struct cmd_list *entry;
250
251	if (!(entry = (struct cmd_list *)malloc(sizeof(struct cmd_list)))) {
252		DEBUG(0, ("out of memory\n"));
253		return;
254	}
255
256	ZERO_STRUCTP(entry);
257
258	entry->cmd_set = cmd_set;
259	DLIST_ADD(cmd_list, entry);
260}
261
262static NTSTATUS do_cmd(struct vfs_state *vfs, struct cmd_set *cmd_entry, char *cmd)
263{
264	const char *p = cmd;
265	char **argv = NULL;
266	NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
267	pstring buf;
268	TALLOC_CTX *mem_ctx = NULL;
269	int argc = 0, i;
270
271	/* Count number of arguments first time through the loop then
272	   allocate memory and strdup them. */
273
274 again:
275	while(next_token(&p, buf, " ", sizeof(buf))) {
276		if (argv) {
277			argv[argc] = strdup(buf);
278		}
279
280		argc++;
281	}
282
283	if (!argv) {
284
285		/* Create argument list */
286
287		argv = (char **)malloc(sizeof(char *) * argc);
288		memset(argv, 0, sizeof(char *) * argc);
289
290		if (!argv) {
291			fprintf(stderr, "out of memory\n");
292			result = NT_STATUS_NO_MEMORY;
293			goto done;
294		}
295
296		p = cmd;
297		argc = 0;
298
299		goto again;
300	}
301
302	/* Call the function */
303
304	if (cmd_entry->fn) {
305
306		if (mem_ctx == NULL) {
307			/* Create mem_ctx */
308			if (!(mem_ctx = talloc_init("do_cmd"))) {
309		       		DEBUG(0, ("talloc_init() failed\n"));
310				goto done;
311			}
312		}
313
314		/* Run command */
315		result = cmd_entry->fn(vfs, mem_ctx, argc, (const char **)argv);
316
317	} else {
318		fprintf (stderr, "Invalid command\n");
319		goto done;
320	}
321
322 done:
323
324	/* Cleanup */
325
326	if (argv) {
327		for (i = 0; i < argc; i++)
328			SAFE_FREE(argv[i]);
329
330		SAFE_FREE(argv);
331	}
332
333	return result;
334}
335
336/* Process a command entered at the prompt or as part of -c */
337static NTSTATUS process_cmd(struct vfs_state *vfs, char *cmd)
338{
339	struct cmd_list *temp_list;
340	BOOL found = False;
341	pstring buf;
342	const char *p = cmd;
343	NTSTATUS result = NT_STATUS_OK;
344	int len = 0;
345
346	if (cmd[strlen(cmd) - 1] == '\n')
347		cmd[strlen(cmd) - 1] = '\0';
348
349	if (!next_token(&p, buf, " ", sizeof(buf))) {
350		return NT_STATUS_OK;
351	}
352
353	/* strip the trainly \n if it exsists */
354	len = strlen(buf);
355	if (buf[len-1] == '\n')
356		buf[len-1] = '\0';
357
358	/* Search for matching commands */
359
360	for (temp_list = cmd_list; temp_list; temp_list = temp_list->next) {
361		struct cmd_set *temp_set = temp_list->cmd_set;
362
363		while(temp_set->name) {
364			if (strequal(buf, temp_set->name)) {
365				found = True;
366				result = do_cmd(vfs, temp_set, cmd);
367
368				goto done;
369			}
370			temp_set++;
371		}
372	}
373
374 done:
375	if (!found && buf[0]) {
376		printf("command not found: %s\n", buf);
377		return NT_STATUS_OK;
378	}
379
380	if (!NT_STATUS_IS_OK(result)) {
381		printf("result was %s\n", nt_errstr(result));
382	}
383
384	return result;
385}
386
387static void process_file(struct vfs_state *pvfs, char *filename) {
388	FILE *file;
389	char command[3 * PATH_MAX];
390
391	if (*filename == '-') {
392		file = stdin;
393	} else {
394		file = fopen(filename, "r");
395		if (file == NULL) {
396			printf("vfstest: error reading file (%s)!", filename);
397			printf("errno n.%d: %s", errno, strerror(errno));
398			exit(-1);
399		}
400	}
401
402	while (fgets(command, 3 * PATH_MAX, file) != NULL) {
403		process_cmd(pvfs, command);
404	}
405}
406
407void exit_server(const char *reason)
408{
409	DEBUG(3,("Server exit (%s)\n", (reason ? reason : "")));
410	exit(0);
411}
412
413static int server_fd = -1;
414int last_message = -1;
415
416int smbd_server_fd(void)
417{
418		return server_fd;
419}
420
421void reload_printers(void)
422{
423	return;
424}
425
426/****************************************************************************
427 Reload the services file.
428**************************************************************************/
429
430BOOL reload_services(BOOL test)
431{
432	BOOL ret;
433
434	if (lp_loaded()) {
435		pstring fname;
436		pstrcpy(fname,lp_configfile());
437		if (file_exist(fname, NULL) &&
438		    !strcsequal(fname, dyn_CONFIGFILE)) {
439			pstrcpy(dyn_CONFIGFILE, fname);
440			test = False;
441		}
442	}
443
444	reopen_logs();
445
446	if (test && !lp_file_list_changed())
447		return(True);
448
449	lp_killunused(conn_snum_used);
450
451	ret = lp_load(dyn_CONFIGFILE, False, False, True);
452
453	/* perhaps the config filename is now set */
454	if (!test)
455		reload_services(True);
456
457	reopen_logs();
458
459	load_interfaces();
460
461	{
462		if (smbd_server_fd() != -1) {
463			set_socket_options(smbd_server_fd(),"SO_KEEPALIVE");
464			set_socket_options(smbd_server_fd(), user_socket_options);
465		}
466	}
467
468	mangle_reset_cache();
469	reset_stat_cache();
470
471	/* this forces service parameters to be flushed */
472	set_current_service(NULL,0,True);
473
474	return (ret);
475}
476
477/* Main function */
478
479int main(int argc, char *argv[])
480{
481	static char		*cmdstr = NULL;
482	struct cmd_set 		**cmd_set;
483	static struct vfs_state vfs;
484	int i;
485	static char		*filename = NULL;
486
487	/* make sure the vars that get altered (4th field) are in
488	   a fixed location or certain compilers complain */
489	poptContext pc;
490	struct poptOption long_options[] = {
491		POPT_AUTOHELP
492		{"file",	'f', POPT_ARG_STRING,	&filename, 0, },
493		{"command",	'c', POPT_ARG_STRING,	&cmdstr, 0, "Execute specified list of commands" },
494		POPT_COMMON_SAMBA
495		POPT_TABLEEND
496	};
497
498
499	setlinebuf(stdout);
500
501	pc = poptGetContext("vfstest", argc, (const char **) argv,
502			    long_options, 0);
503
504	while(poptGetNextOpt(pc) != -1);
505
506
507	poptFreeContext(pc);
508
509	/* TODO: check output */
510	reload_services(False);
511
512	/* the following functions are part of the Samba debugging
513	   facilities.  See lib/debug.c */
514	setup_logging("vfstest", True);
515
516	/* Load command lists */
517
518	cmd_set = vfstest_command_list;
519
520	while(*cmd_set) {
521		add_command_set(*cmd_set);
522		add_command_set(separator_command);
523		cmd_set++;
524	}
525
526	/* some basic initialization stuff */
527	sec_init();
528	conn_init();
529	vfs.conn = conn_new();
530	string_set(&vfs.conn->user,"vfstest");
531	for (i=0; i < 1024; i++)
532		vfs.files[i] = NULL;
533
534	/* some advanced initiliazation stuff */
535	smbd_vfs_init(vfs.conn);
536
537	/* Do we have a file input? */
538	if (filename && filename[0]) {
539		process_file(&vfs, filename);
540		return 0;
541	}
542
543	/* Do anything specified with -c */
544	if (cmdstr && cmdstr[0]) {
545		char    *cmd;
546		char    *p = cmdstr;
547
548		while((cmd=next_command(&p)) != NULL) {
549			process_cmd(&vfs, cmd);
550		}
551
552		return 0;
553	}
554
555	/* Loop around accepting commands */
556
557	while(1) {
558		pstring prompt;
559		char *line;
560
561		slprintf(prompt, sizeof(prompt) - 1, "vfstest $> ");
562
563		line = smb_readline(prompt, NULL, completion_fn);
564
565		if (line == NULL)
566			break;
567
568		if (line[0] != '\n')
569			process_cmd(&vfs, line);
570	}
571
572	free(vfs.conn);
573	return 0;
574}
575