source: branches/samba-3.5.x/source4/lib/registry/tools/regshell.c

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

Samba 3.5.0: Initial import
File size: 15.4 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 simple registry frontend
4
5 Copyright (C) Jelmer Vernooij 2004-2007
6 Copyright (C) Wilco Baan Hofman 2009
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23#include "lib/registry/registry.h"
24#include "lib/cmdline/popt_common.h"
25#include "lib/events/events.h"
26#include "system/time.h"
27#include "lib/smbreadline/smbreadline.h"
28#include "librpc/gen_ndr/ndr_security.h"
29#include "lib/registry/tools/common.h"
30#include "param/param.h"
31
32struct regshell_context {
33 struct registry_context *registry;
34 char *path;
35 char *predef;
36 struct registry_key *current;
37 struct registry_key *root;
38};
39
40static WERROR get_full_path(struct regshell_context *ctx, char *path, char **ret_path)
41{
42 char *dir;
43 char *tmp;
44 char *new_path;
45
46 if (path[0] == '\\') {
47 new_path = talloc_strdup(ctx, "");
48 } else {
49 new_path = talloc_strdup(ctx, ctx->path);
50 }
51
52 dir = strtok(path, "\\");
53 if (dir == NULL) {
54 *ret_path = new_path;
55 return WERR_OK;
56 }
57 do {
58 if (strcmp(dir, "..") == 0) {
59 if (strchr(new_path, '\\')) {
60 new_path[strrchr(new_path, '\\') - new_path] = '\0';
61 } else {
62 tmp = new_path;
63 new_path = talloc_strdup(ctx, "");
64 talloc_free(tmp);
65 }
66 continue;
67 }
68 if (strcmp(dir, ".") == 0) {
69 continue;
70 }
71
72 tmp = new_path;
73 /* No prepending a backslash */
74 if (strcmp(new_path, "") == 0) {
75 new_path = talloc_strdup(ctx, dir);
76 } else {
77 new_path = talloc_asprintf(ctx, "%s\\%s", new_path, dir);
78 }
79 talloc_free(tmp);
80
81 } while ((dir = strtok(NULL, "\\")));
82
83 *ret_path = new_path;
84 return WERR_OK;
85}
86
87/* *
88 * ck/cd - change key
89 * ls - list values/keys
90 * rmval/rm - remove value
91 * rmkey/rmdir - remove key
92 * mkkey/mkdir - make key
93 * ch - change hive
94 * info - show key info
95 * save - save hive
96 * print - print value
97 * help
98 * exit
99 */
100
101static WERROR cmd_info(struct regshell_context *ctx, int argc, char **argv)
102{
103 struct security_descriptor *sec_desc = NULL;
104 time_t last_mod;
105 WERROR error;
106 const char *classname = NULL;
107 NTTIME last_change;
108 uint32_t max_subkeynamelen;
109 uint32_t max_valnamelen;
110 uint32_t max_valbufsize;
111 uint32_t num_subkeys;
112 uint32_t num_values;
113
114 error = reg_key_get_info(ctx, ctx->current, &classname, &num_subkeys, &num_values,
115 &last_change, &max_subkeynamelen, &max_valnamelen, &max_valbufsize);
116 if (!W_ERROR_IS_OK(error)) {
117 printf("Error getting key info: %s\n", win_errstr(error));
118 return error;
119 }
120
121
122 printf("Name: %s\n", strchr(ctx->path, '\\')?strrchr(ctx->path, '\\')+1:
123 ctx->path);
124 printf("Full path: %s\n", ctx->path);
125 if (classname != NULL)
126 printf("Key Class: %s\n", classname);
127 last_mod = nt_time_to_unix(last_change);
128 printf("Time Last Modified: %s\n", ctime(&last_mod));
129 printf("Number of subkeys: %d\n", num_subkeys);
130 printf("Number of values: %d\n", num_values);
131
132 if (max_valnamelen > 0)
133 printf("Maximum value name length: %d\n", max_valnamelen);
134
135 if (max_valbufsize > 0)
136 printf("Maximum value data length: %d\n", max_valbufsize);
137
138 if (max_subkeynamelen > 0)
139 printf("Maximum sub key name length: %d\n", max_subkeynamelen);
140
141 error = reg_get_sec_desc(ctx, ctx->current, &sec_desc);
142 if (!W_ERROR_IS_OK(error)) {
143 printf("Error getting security descriptor\n");
144 return error;
145 }
146 ndr_print_debug((ndr_print_fn_t)ndr_print_security_descriptor,
147 "Security", sec_desc);
148 talloc_free(sec_desc);
149
150 return WERR_OK;
151}
152
153static WERROR cmd_predef(struct regshell_context *ctx, int argc, char **argv)
154{
155 struct registry_key *ret = NULL;
156 if (argc < 2) {
157 fprintf(stderr, "Usage: predef predefined-key-name\n");
158 } else if (!ctx) {
159 fprintf(stderr, "No full registry loaded, no predefined keys defined\n");
160 } else {
161 WERROR error = reg_get_predefined_key_by_name(ctx->registry,
162 argv[1], &ret);
163
164 if (!W_ERROR_IS_OK(error)) {
165 fprintf(stderr, "Error opening predefined key %s: %s\n",
166 argv[1], win_errstr(error));
167 return error;
168 }
169
170 ctx->predef = strupper_talloc(ctx, argv[1]);
171 ctx->current = ret;
172 ctx->root = ret;
173 }
174
175 return WERR_OK;
176}
177
178static WERROR cmd_pwd(struct regshell_context *ctx,
179 int argc, char **argv)
180{
181 if (ctx->predef) {
182 printf("%s\\", ctx->predef);
183 }
184 printf("%s\n", ctx->path);
185 return WERR_OK;
186}
187
188static WERROR cmd_set(struct regshell_context *ctx, int argc, char **argv)
189{
190 struct registry_value val;
191 WERROR error;
192
193 if (argc < 4) {
194 fprintf(stderr, "Usage: set value-name type value\n");
195 return WERR_INVALID_PARAM;
196 }
197
198 if (!reg_string_to_val(ctx, lp_iconv_convenience(cmdline_lp_ctx),
199 argv[2], argv[3], &val.data_type,
200 &val.data)) {
201 fprintf(stderr, "Unable to interpret data\n");
202 return WERR_INVALID_PARAM;
203 }
204
205 error = reg_val_set(ctx->current, argv[1], val.data_type, val.data);
206 if (!W_ERROR_IS_OK(error)) {
207 fprintf(stderr, "Error setting value: %s\n", win_errstr(error));
208 return error;
209 }
210
211 return WERR_OK;
212}
213
214static WERROR cmd_ck(struct regshell_context *ctx, int argc, char **argv)
215{
216 struct registry_key *nkey = NULL;
217 char *full_path;
218 WERROR error;
219
220 if(argc == 2) {
221 if (!W_ERROR_IS_OK(get_full_path(ctx, argv[1], &full_path))) {
222 fprintf(stderr, "Unable to parse the supplied path\n");
223 return WERR_INVALID_PARAM;
224 }
225 error = reg_open_key(ctx->registry, ctx->root, full_path,
226 &nkey);
227 if(!W_ERROR_IS_OK(error)) {
228 DEBUG(0, ("Error opening specified key: %s\n",
229 win_errstr(error)));
230 return error;
231 }
232
233 talloc_free(ctx->path);
234 ctx->path = full_path;
235
236 ctx->current = nkey;
237 }
238 printf("New path is: %s\\%s\n", ctx->predef?ctx->predef:"", ctx->path);
239
240 return WERR_OK;
241}
242
243static WERROR cmd_print(struct regshell_context *ctx, int argc, char **argv)
244{
245 uint32_t value_type;
246 DATA_BLOB value_data;
247 WERROR error;
248
249 if (argc != 2) {
250 fprintf(stderr, "Usage: print <valuename>\n");
251 return WERR_INVALID_PARAM;
252 }
253
254 error = reg_key_get_value_by_name(ctx, ctx->current, argv[1],
255 &value_type, &value_data);
256 if (!W_ERROR_IS_OK(error)) {
257 fprintf(stderr, "No such value '%s'\n", argv[1]);
258 return error;
259 }
260
261 printf("%s\n%s\n", str_regtype(value_type),
262 reg_val_data_string(ctx, lp_iconv_convenience(cmdline_lp_ctx), value_type, value_data));
263
264 return WERR_OK;
265}
266
267static WERROR cmd_ls(struct regshell_context *ctx, int argc, char **argv)
268{
269 int i;
270 WERROR error;
271 uint32_t valuetype;
272 DATA_BLOB valuedata;
273 const char *name = NULL;
274
275 for (i = 0; W_ERROR_IS_OK(error = reg_key_get_subkey_by_index(ctx,
276 ctx->current,
277 i,
278 &name,
279 NULL,
280 NULL)); i++) {
281 printf("K %s\n", name);
282 }
283
284 if (!W_ERROR_EQUAL(error, WERR_NO_MORE_ITEMS)) {
285 fprintf(stderr, "Error occured while browsing thru keys: %s\n",
286 win_errstr(error));
287 return error;
288 }
289
290 for (i = 0; W_ERROR_IS_OK(error = reg_key_get_value_by_index(ctx,
291 ctx->current, i, &name, &valuetype, &valuedata)); i++)
292 printf("V \"%s\" %s %s\n", name, str_regtype(valuetype),
293 reg_val_data_string(ctx, lp_iconv_convenience(cmdline_lp_ctx), valuetype, valuedata));
294
295 return WERR_OK;
296}
297static WERROR cmd_mkkey(struct regshell_context *ctx, int argc, char **argv)
298{
299 struct registry_key *tmp;
300 WERROR error;
301
302 if(argc < 2) {
303 fprintf(stderr, "Usage: mkkey <keyname>\n");
304 return WERR_INVALID_PARAM;
305 }
306
307 error = reg_key_add_name(ctx, ctx->current, argv[1], 0, NULL, &tmp);
308
309 if (!W_ERROR_IS_OK(error)) {
310 fprintf(stderr, "Error adding new subkey '%s': %s\n", argv[1],
311 win_errstr(error));
312 return error;
313 }
314
315 return WERR_OK;
316}
317
318static WERROR cmd_rmkey(struct regshell_context *ctx,
319 int argc, char **argv)
320{
321 WERROR error;
322
323 if(argc < 2) {
324 fprintf(stderr, "Usage: rmkey <name>\n");
325 return WERR_INVALID_PARAM;
326 }
327
328 error = reg_key_del(ctx->current, argv[1]);
329 if(!W_ERROR_IS_OK(error)) {
330 fprintf(stderr, "Error deleting '%s'\n", argv[1]);
331 return error;
332 } else {
333 fprintf(stderr, "Successfully deleted '%s'\n", argv[1]);
334 }
335
336 return WERR_OK;
337}
338
339static WERROR cmd_rmval(struct regshell_context *ctx, int argc, char **argv)
340{
341 WERROR error;
342
343 if(argc < 2) {
344 fprintf(stderr, "Usage: rmval <valuename>\n");
345 return WERR_INVALID_PARAM;
346 }
347
348 error = reg_del_value(ctx->current, argv[1]);
349 if(!W_ERROR_IS_OK(error)) {
350 fprintf(stderr, "Error deleting value '%s'\n", argv[1]);
351 return error;
352 } else {
353 fprintf(stderr, "Successfully deleted value '%s'\n", argv[1]);
354 }
355
356 return WERR_OK;
357}
358
359_NORETURN_ static WERROR cmd_exit(struct regshell_context *ctx,
360 int argc, char **argv)
361{
362 exit(0);
363}
364
365static WERROR cmd_help(struct regshell_context *ctx, int, char **);
366
367static struct {
368 const char *name;
369 const char *alias;
370 const char *help;
371 WERROR (*handle)(struct regshell_context *ctx, int argc, char **argv);
372} regshell_cmds[] = {
373 {"ck", "cd", "Change current key", cmd_ck },
374 {"info", "i", "Show detailed information of a key", cmd_info },
375 {"list", "ls", "List values/keys in current key", cmd_ls },
376 {"print", "p", "Print value", cmd_print },
377 {"mkkey", "mkdir", "Make new key", cmd_mkkey },
378 {"rmval", "rm", "Remove value", cmd_rmval },
379 {"rmkey", "rmdir", "Remove key", cmd_rmkey },
380 {"pwd", "pwk", "Printing current key", cmd_pwd },
381 {"set", "update", "Update value", cmd_set },
382 {"help", "?", "Help", cmd_help },
383 {"exit", "quit", "Exit", cmd_exit },
384 {"predef", "predefined", "Go to predefined key", cmd_predef },
385 {NULL }
386};
387
388static WERROR cmd_help(struct regshell_context *ctx,
389 int argc, char **argv)
390{
391 int i;
392 printf("Available commands:\n");
393 for(i = 0; regshell_cmds[i].name; i++) {
394 printf("%s - %s\n", regshell_cmds[i].name,
395 regshell_cmds[i].help);
396 }
397 return WERR_OK;
398}
399
400static WERROR process_cmd(struct regshell_context *ctx,
401 char *line)
402{
403 int argc;
404 char **argv = NULL;
405 int ret, i;
406
407 if ((ret = poptParseArgvString(line, &argc, (const char ***) &argv)) != 0) {
408 fprintf(stderr, "regshell: %s\n", poptStrerror(ret));
409 return WERR_INVALID_PARAM;
410 }
411
412 for(i = 0; regshell_cmds[i].name; i++) {
413 if(!strcmp(regshell_cmds[i].name, argv[0]) ||
414 (regshell_cmds[i].alias && !strcmp(regshell_cmds[i].alias, argv[0]))) {
415 return regshell_cmds[i].handle(ctx, argc, argv);
416 }
417 }
418
419 fprintf(stderr, "No such command '%s'\n", argv[0]);
420
421 return WERR_INVALID_PARAM;
422}
423
424#define MAX_COMPLETIONS 100
425
426static struct registry_key *current_key = NULL;
427
428static char **reg_complete_command(const char *text, int start, int end)
429{
430 /* Complete command */
431 char **matches;
432 int i, len, samelen=0, count=1;
433
434 matches = malloc_array_p(char *, MAX_COMPLETIONS);
435 if (!matches) return NULL;
436 matches[0] = NULL;
437
438 len = strlen(text);
439 for (i=0;regshell_cmds[i].handle && count < MAX_COMPLETIONS-1;i++) {
440 if (strncmp(text, regshell_cmds[i].name, len) == 0) {
441 matches[count] = strdup(regshell_cmds[i].name);
442 if (!matches[count])
443 goto cleanup;
444 if (count == 1)
445 samelen = strlen(matches[count]);
446 else
447 while (strncmp(matches[count], matches[count-1], samelen) != 0)
448 samelen--;
449 count++;
450 }
451 }
452
453 switch (count) {
454 case 0: /* should never happen */
455 case 1:
456 goto cleanup;
457 case 2:
458 matches[0] = strdup(matches[1]);
459 break;
460 default:
461 matches[0] = strndup(matches[1], samelen);
462 }
463 matches[count] = NULL;
464 return matches;
465
466cleanup:
467 count--;
468 while (count >= 0) {
469 free(matches[count]);
470 count--;
471 }
472 free(matches);
473 return NULL;
474}
475
476static char **reg_complete_key(const char *text, int start, int end)
477{
478 struct registry_key *base;
479 const char *subkeyname;
480 int i, j = 1;
481 int samelen = 0;
482 int len;
483 char **matches;
484 const char *base_n = "";
485 TALLOC_CTX *mem_ctx;
486 WERROR status;
487
488 matches = malloc_array_p(char *, MAX_COMPLETIONS);
489 if (!matches) return NULL;
490 matches[0] = NULL;
491 mem_ctx = talloc_init("completion");
492
493 base = current_key;
494
495 len = strlen(text);
496 for(i = 0; j < MAX_COMPLETIONS-1; i++) {
497 status = reg_key_get_subkey_by_index(mem_ctx, base, i,
498 &subkeyname, NULL, NULL);
499 if(W_ERROR_IS_OK(status)) {
500 if(!strncmp(text, subkeyname, len)) {
501 matches[j] = strdup(subkeyname);
502 j++;
503
504 if (j == 1)
505 samelen = strlen(matches[j]);
506 else
507 while (strncmp(matches[j], matches[j-1], samelen) != 0)
508 samelen--;
509 }
510 } else if(W_ERROR_EQUAL(status, WERR_NO_MORE_ITEMS)) {
511 break;
512 } else {
513 printf("Error creating completion list: %s\n",
514 win_errstr(status));
515 talloc_free(mem_ctx);
516 return NULL;
517 }
518 }
519
520 if (j == 1) { /* No matches at all */
521 SAFE_FREE(matches);
522 talloc_free(mem_ctx);
523 return NULL;
524 }
525
526 if (j == 2) { /* Exact match */
527 asprintf(&matches[0], "%s%s", base_n, matches[1]);
528 } else {
529 asprintf(&matches[0], "%s%s", base_n,
530 talloc_strndup(mem_ctx, matches[1], samelen));
531 }
532 talloc_free(mem_ctx);
533
534 matches[j] = NULL;
535 return matches;
536}
537
538static char **reg_completion(const char *text, int start, int end)
539{
540 smb_readline_ca_char(' ');
541
542 if (start == 0) {
543 return reg_complete_command(text, start, end);
544 } else {
545 return reg_complete_key(text, start, end);
546 }
547}
548
549int main(int argc, char **argv)
550{
551 int opt;
552 const char *file = NULL;
553 poptContext pc;
554 const char *remote = NULL;
555 struct regshell_context *ctx;
556 struct tevent_context *ev_ctx;
557 bool ret = true;
558 struct poptOption long_options[] = {
559 POPT_AUTOHELP
560 {"file", 'F', POPT_ARG_STRING, &file, 0, "open hive file", NULL },
561 {"remote", 'R', POPT_ARG_STRING, &remote, 0, "connect to specified remote server", NULL},
562 POPT_COMMON_SAMBA
563 POPT_COMMON_CREDENTIALS
564 POPT_COMMON_VERSION
565 { NULL }
566 };
567
568 pc = poptGetContext(argv[0], argc, (const char **) argv, long_options,0);
569
570 while((opt = poptGetNextOpt(pc)) != -1) {
571 }
572
573 ctx = talloc_zero(NULL, struct regshell_context);
574
575 ev_ctx = s4_event_context_init(ctx);
576
577 if (remote != NULL) {
578 ctx->registry = reg_common_open_remote(remote, ev_ctx,
579 cmdline_lp_ctx, cmdline_credentials);
580 } else if (file != NULL) {
581 ctx->current = reg_common_open_file(file, ev_ctx, cmdline_lp_ctx, cmdline_credentials);
582 if (ctx->current == NULL)
583 return 1;
584 ctx->registry = ctx->current->context;
585 ctx->path = talloc_strdup(ctx, "");
586 ctx->predef = NULL;
587 ctx->root = ctx->current;
588 } else {
589 ctx->registry = reg_common_open_local(cmdline_credentials, ev_ctx, cmdline_lp_ctx);
590 }
591
592 if (ctx->registry == NULL)
593 return 1;
594
595 if (ctx->current == NULL) {
596 int i;
597
598 for (i = 0; (reg_predefined_keys[i].handle != 0) &&
599 (ctx->current == NULL); i++) {
600 WERROR err;
601 err = reg_get_predefined_key(ctx->registry,
602 reg_predefined_keys[i].handle,
603 &ctx->current);
604 if (W_ERROR_IS_OK(err)) {
605 ctx->predef = talloc_strdup(ctx,
606 reg_predefined_keys[i].name);
607 ctx->path = talloc_strdup(ctx, "");
608 ctx->root = ctx->current;
609 break;
610 } else {
611 ctx->current = NULL;
612 ctx->root = NULL;
613 }
614 }
615 }
616
617 if (ctx->current == NULL) {
618 fprintf(stderr, "Unable to access any of the predefined keys\n");
619 return -1;
620 }
621
622 poptFreeContext(pc);
623
624 while (true) {
625 char *line, *prompt;
626
627 asprintf(&prompt, "%s\\%s> ", ctx->predef?ctx->predef:"", ctx->path);
628
629 current_key = ctx->current; /* No way to pass a void * pointer
630 via readline :-( */
631 line = smb_readline(prompt, NULL, reg_completion);
632
633 if (line == NULL) {
634 free(prompt);
635 break;
636 }
637
638 if (line[0] != '\n') {
639 ret = W_ERROR_IS_OK(process_cmd(ctx, line));
640 }
641 free(line);
642 free(prompt);
643 }
644 talloc_free(ctx);
645
646 return (ret?0:1);
647}
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