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-rw-r--r--source4/lib/registry/tools/regshell.c708
1 files changed, 708 insertions, 0 deletions
diff --git a/source4/lib/registry/tools/regshell.c b/source4/lib/registry/tools/regshell.c
new file mode 100644
index 0000000..dc7bf54
--- /dev/null
+++ b/source4/lib/registry/tools/regshell.c
@@ -0,0 +1,708 @@
+/*
+ Unix SMB/CIFS implementation.
+ simple registry frontend
+
+ Copyright (C) Jelmer Vernooij 2004-2007
+ Copyright (C) Wilco Baan Hofman 2009
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "lib/registry/registry.h"
+#include "lib/cmdline/cmdline.h"
+#include "lib/events/events.h"
+#include "system/time.h"
+#include "../libcli/smbreadline/smbreadline.h"
+#include "librpc/gen_ndr/ndr_security.h"
+#include "lib/registry/tools/common.h"
+#include "param/param.h"
+
+struct regshell_context {
+ struct registry_context *registry;
+ char *path;
+ char *predef;
+ struct registry_key *current;
+ struct registry_key *root;
+};
+
+static WERROR get_full_path(struct regshell_context *ctx, const char *path, char **ret_path)
+{
+ const char *dir;
+ char *tmp;
+ char *new_path;
+
+ if (path[0] == '\\') {
+ new_path = talloc_strdup(ctx, "");
+ } else {
+ new_path = talloc_strdup(ctx, ctx->path);
+ }
+
+ dir = strtok(discard_const_p(char, path), "\\");
+ if (dir == NULL) {
+ *ret_path = new_path;
+ return WERR_OK;
+ }
+ do {
+ if (strcmp(dir, "..") == 0) {
+ if (strchr(new_path, '\\')) {
+ new_path[strrchr(new_path, '\\') - new_path] = '\0';
+ } else {
+ tmp = new_path;
+ new_path = talloc_strdup(ctx, "");
+ talloc_free(tmp);
+ }
+ continue;
+ }
+ if (strcmp(dir, ".") == 0) {
+ continue;
+ }
+
+ tmp = new_path;
+ /* No prepending a backslash */
+ if (strcmp(new_path, "") == 0) {
+ new_path = talloc_strdup(ctx, dir);
+ } else {
+ new_path = talloc_asprintf(ctx, "%s\\%s", new_path, dir);
+ }
+ talloc_free(tmp);
+
+ } while ((dir = strtok(NULL, "\\")));
+
+ *ret_path = new_path;
+ return WERR_OK;
+}
+
+/* *
+ * ck/cd - change key
+ * ls - list values/keys
+ * rmval/rm - remove value
+ * rmkey/rmdir - remove key
+ * mkkey/mkdir - make key
+ * ch - change hive
+ * info - show key info
+ * save - save hive
+ * print - print value
+ * help
+ * exit
+ */
+
+static WERROR cmd_info(struct regshell_context *ctx, int argc, const char **argv)
+{
+ struct security_descriptor *sec_desc = NULL;
+ time_t last_mod;
+ WERROR error;
+ const char *classname = NULL;
+ NTTIME last_change;
+ uint32_t max_subkeynamelen;
+ uint32_t max_valnamelen;
+ uint32_t max_valbufsize;
+ uint32_t num_subkeys;
+ uint32_t num_values;
+
+ error = reg_key_get_info(ctx, ctx->current, &classname, &num_subkeys, &num_values,
+ &last_change, &max_subkeynamelen, &max_valnamelen, &max_valbufsize);
+ if (!W_ERROR_IS_OK(error)) {
+ printf("Error getting key info: %s\n", win_errstr(error));
+ return error;
+ }
+
+
+ printf("Name: %s\n", strchr(ctx->path, '\\')?strrchr(ctx->path, '\\')+1:
+ ctx->path);
+ printf("Full path: %s\n", ctx->path);
+ if (classname != NULL)
+ printf("Key Class: %s\n", classname);
+ last_mod = nt_time_to_unix(last_change);
+ printf("Time Last Modified: %s", ctime(&last_mod));
+ printf("Number of subkeys: %d\n", num_subkeys);
+ printf("Number of values: %d\n", num_values);
+
+ if (max_valnamelen > 0)
+ printf("Maximum value name length: %d\n", max_valnamelen);
+
+ if (max_valbufsize > 0)
+ printf("Maximum value data length: %d\n", max_valbufsize);
+
+ if (max_subkeynamelen > 0)
+ printf("Maximum sub key name length: %d\n", max_subkeynamelen);
+
+ error = reg_get_sec_desc(ctx, ctx->current, &sec_desc);
+ if (!W_ERROR_IS_OK(error)) {
+ printf("Error getting security descriptor: %s\n", win_errstr(error));
+ return WERR_OK;
+ }
+ NDR_PRINT_DEBUG(security_descriptor, sec_desc);
+ talloc_free(sec_desc);
+
+ return WERR_OK;
+}
+
+static WERROR cmd_predef(struct regshell_context *ctx, int argc, const char **argv)
+{
+ struct registry_key *ret = NULL;
+ if (argc < 2) {
+ fprintf(stderr, "Usage: predef predefined-key-name\n");
+ } else if (!ctx) {
+ fprintf(stderr, "No full registry loaded, no predefined keys defined\n");
+ } else {
+ WERROR error = reg_get_predefined_key_by_name(ctx->registry,
+ argv[1], &ret);
+
+ if (!W_ERROR_IS_OK(error)) {
+ fprintf(stderr, "Error opening predefined key %s: %s\n",
+ argv[1], win_errstr(error));
+ return error;
+ }
+
+ ctx->predef = strupper_talloc(ctx, argv[1]);
+ ctx->current = ret;
+ ctx->root = ret;
+ }
+
+ return WERR_OK;
+}
+
+static WERROR cmd_pwd(struct regshell_context *ctx,
+ int argc, const char **argv)
+{
+ if (ctx->predef) {
+ printf("%s\\", ctx->predef);
+ }
+ printf("%s\n", ctx->path);
+ return WERR_OK;
+}
+
+static WERROR cmd_set(struct regshell_context *ctx, int argc, const char **argv)
+{
+ struct registry_value val;
+ WERROR error;
+
+ if (argc < 4) {
+ fprintf(stderr, "Usage: set value-name type value\n");
+ return WERR_INVALID_PARAMETER;
+ }
+
+ if (!reg_string_to_val(ctx, argv[2], argv[3], &val.data_type, &val.data)) {
+ fprintf(stderr, "Unable to interpret data\n");
+ return WERR_INVALID_PARAMETER;
+ }
+
+ error = reg_val_set(ctx->current, argv[1], val.data_type, val.data);
+ if (!W_ERROR_IS_OK(error)) {
+ fprintf(stderr, "Error setting value: %s\n", win_errstr(error));
+ return error;
+ }
+
+ return WERR_OK;
+}
+
+static WERROR cmd_ck(struct regshell_context *ctx, int argc, const char **argv)
+{
+ struct registry_key *nkey = NULL;
+ char *full_path;
+ WERROR error;
+
+ if(argc == 2) {
+ if (!W_ERROR_IS_OK(get_full_path(ctx, argv[1], &full_path))) {
+ fprintf(stderr, "Unable to parse the supplied path\n");
+ return WERR_INVALID_PARAMETER;
+ }
+ error = reg_open_key(ctx->registry, ctx->root, full_path,
+ &nkey);
+ if(!W_ERROR_IS_OK(error)) {
+ DEBUG(0, ("Error opening specified key: %s\n",
+ win_errstr(error)));
+ return error;
+ }
+
+ talloc_free(ctx->path);
+ ctx->path = full_path;
+
+ ctx->current = nkey;
+ }
+ printf("New path is: %s\\%s\n", ctx->predef?ctx->predef:"", ctx->path);
+
+ return WERR_OK;
+}
+
+static WERROR cmd_print(struct regshell_context *ctx, int argc, const char **argv)
+{
+ uint32_t value_type;
+ DATA_BLOB value_data;
+ WERROR error;
+
+ if (argc != 2) {
+ fprintf(stderr, "Usage: print <valuename>\n");
+ return WERR_INVALID_PARAMETER;
+ }
+
+ error = reg_key_get_value_by_name(ctx, ctx->current, argv[1],
+ &value_type, &value_data);
+ if (!W_ERROR_IS_OK(error)) {
+ fprintf(stderr, "No such value '%s'\n", argv[1]);
+ return error;
+ }
+
+ printf("%s\n%s\n", str_regtype(value_type),
+ reg_val_data_string(ctx, value_type, value_data));
+
+ return WERR_OK;
+}
+
+static WERROR cmd_ls(struct regshell_context *ctx, int argc, const char **argv)
+{
+ unsigned int i;
+ WERROR error;
+ uint32_t valuetype;
+ DATA_BLOB valuedata;
+ const char *name = NULL;
+
+ for (i = 0; W_ERROR_IS_OK(error = reg_key_get_subkey_by_index(ctx,
+ ctx->current,
+ i,
+ &name,
+ NULL,
+ NULL)); i++) {
+ printf("K %s\n", name);
+ }
+
+ if (!W_ERROR_EQUAL(error, WERR_NO_MORE_ITEMS)) {
+ fprintf(stderr, "Error occurred while browsing through keys: %s\n",
+ win_errstr(error));
+ return error;
+ }
+
+ for (i = 0; W_ERROR_IS_OK(error = reg_key_get_value_by_index(ctx,
+ ctx->current, i, &name, &valuetype, &valuedata)); i++)
+ printf("V \"%s\" %s %s\n", name, str_regtype(valuetype),
+ reg_val_data_string(ctx, valuetype, valuedata));
+
+ return WERR_OK;
+}
+static WERROR cmd_mkkey(struct regshell_context *ctx, int argc, const char **argv)
+{
+ struct registry_key *tmp;
+ WERROR error;
+
+ if(argc < 2) {
+ fprintf(stderr, "Usage: mkkey <keyname>\n");
+ return WERR_INVALID_PARAMETER;
+ }
+
+ error = reg_key_add_name(ctx, ctx->current, argv[1], 0, NULL, &tmp);
+
+ if (!W_ERROR_IS_OK(error)) {
+ fprintf(stderr, "Error adding new subkey '%s': %s\n", argv[1],
+ win_errstr(error));
+ return error;
+ }
+
+ return WERR_OK;
+}
+
+static WERROR cmd_rmkey(struct regshell_context *ctx,
+ int argc, const char **argv)
+{
+ WERROR error;
+
+ if(argc < 2) {
+ fprintf(stderr, "Usage: rmkey <name>\n");
+ return WERR_INVALID_PARAMETER;
+ }
+
+ error = reg_key_del(ctx, ctx->current, argv[1]);
+ if(!W_ERROR_IS_OK(error)) {
+ fprintf(stderr, "Error deleting '%s'\n", argv[1]);
+ return error;
+ } else {
+ fprintf(stderr, "Successfully deleted '%s'\n", argv[1]);
+ }
+
+ return WERR_OK;
+}
+
+static WERROR cmd_rmval(struct regshell_context *ctx, int argc, const char **argv)
+{
+ WERROR error;
+
+ if(argc < 2) {
+ fprintf(stderr, "Usage: rmval <valuename>\n");
+ return WERR_INVALID_PARAMETER;
+ }
+
+ error = reg_del_value(ctx, ctx->current, argv[1]);
+ if(!W_ERROR_IS_OK(error)) {
+ fprintf(stderr, "Error deleting value '%s'\n", argv[1]);
+ return error;
+ } else {
+ fprintf(stderr, "Successfully deleted value '%s'\n", argv[1]);
+ }
+
+ return WERR_OK;
+}
+
+_NORETURN_ static WERROR cmd_exit(struct regshell_context *ctx,
+ int argc, const char **argv)
+{
+ exit(0);
+}
+
+static WERROR cmd_help(struct regshell_context *ctx, int, const char **);
+
+static struct {
+ const char *name;
+ const char *alias;
+ const char *help;
+ WERROR (*handle)(struct regshell_context *ctx, int argc, const char **argv);
+} regshell_cmds[] = {
+ {"ck", "cd", "Change current key", cmd_ck },
+ {"info", "i", "Show detailed information of a key", cmd_info },
+ {"list", "ls", "List values/keys in current key", cmd_ls },
+ {"print", "p", "Print value", cmd_print },
+ {"mkkey", "mkdir", "Make new key", cmd_mkkey },
+ {"rmval", "rm", "Remove value", cmd_rmval },
+ {"rmkey", "rmdir", "Remove key", cmd_rmkey },
+ {"pwd", "pwk", "Printing current key", cmd_pwd },
+ {"set", "update", "Update value", cmd_set },
+ {"help", "?", "Help", cmd_help },
+ {"exit", "quit", "Exit", cmd_exit },
+ {"predef", "predefined", "Go to predefined key", cmd_predef },
+ {0}
+};
+
+static WERROR cmd_help(struct regshell_context *ctx,
+ int argc, const char **argv)
+{
+ unsigned int i;
+ printf("Available commands:\n");
+ for(i = 0; regshell_cmds[i].name; i++) {
+ printf("%s - %s\n", regshell_cmds[i].name,
+ regshell_cmds[i].help);
+ }
+ return WERR_OK;
+}
+
+static WERROR process_cmd(struct regshell_context *ctx,
+ char *line)
+{
+ int argc;
+ const char **argv = NULL;
+ int ret, i;
+
+ if ((ret = poptParseArgvString(line, &argc, &argv)) != 0) {
+ fprintf(stderr, "regshell: %s\n", poptStrerror(ret));
+ return WERR_INVALID_PARAMETER;
+ }
+
+ for(i = 0; regshell_cmds[i].name; i++) {
+ if(!strcmp(regshell_cmds[i].name, argv[0]) ||
+ (regshell_cmds[i].alias && !strcmp(regshell_cmds[i].alias, argv[0]))) {
+ return regshell_cmds[i].handle(ctx, argc, argv);
+ }
+ }
+
+ fprintf(stderr, "No such command '%s'\n", argv[0]);
+
+ return WERR_INVALID_PARAMETER;
+}
+
+#define MAX_COMPLETIONS 100
+
+static struct registry_key *current_key = NULL;
+
+static char **reg_complete_command(const char *text, int start, int end)
+{
+ /* Complete command */
+ char **matches;
+ size_t len, samelen=0;
+ size_t i, count = 1;
+
+ matches = malloc_array_p(char *, MAX_COMPLETIONS);
+ if (!matches) return NULL;
+ matches[0] = NULL;
+
+ len = strlen(text);
+ for (i=0;regshell_cmds[i].handle && count < MAX_COMPLETIONS-1;i++) {
+ if (strncmp(text, regshell_cmds[i].name, len) == 0) {
+ matches[count] = strdup(regshell_cmds[i].name);
+ if (!matches[count])
+ goto cleanup;
+ if (count == 1)
+ samelen = strlen(matches[count]);
+ else
+ while (strncmp(matches[count], matches[count-1], samelen) != 0)
+ samelen--;
+ count++;
+ }
+ }
+
+ switch (count) {
+ case 0: /* should never happen */
+ case 1:
+ goto cleanup;
+ case 2:
+ matches[0] = strdup(matches[1]);
+ break;
+ default:
+ matches[0] = strndup(matches[1], samelen);
+ }
+ matches[count] = NULL;
+ return matches;
+
+cleanup:
+ for (i = 0; i < count; i++) {
+ free(matches[i]);
+ }
+ free(matches);
+ return NULL;
+}
+
+static char **reg_complete_key(const char *text, int start, int end)
+{
+ struct registry_key *base;
+ const char *subkeyname;
+ unsigned int i, j = 1;
+ size_t len, samelen = 0;
+ char **matches;
+ const char *base_n = "";
+ TALLOC_CTX *mem_ctx;
+ WERROR status;
+ int ret;
+
+ matches = malloc_array_p(char *, MAX_COMPLETIONS);
+ if (!matches) return NULL;
+ matches[0] = NULL;
+ mem_ctx = talloc_init("completion");
+
+ base = current_key;
+
+ len = strlen(text);
+ for(i = 0; j < MAX_COMPLETIONS-1; i++) {
+ status = reg_key_get_subkey_by_index(mem_ctx, base, i,
+ &subkeyname, NULL, NULL);
+ if(W_ERROR_IS_OK(status)) {
+ if(!strncmp(text, subkeyname, len)) {
+ matches[j] = strdup(subkeyname);
+ j++;
+
+ if (j == 1)
+ samelen = strlen(matches[j]);
+ else
+ while (strncmp(matches[j], matches[j-1], samelen) != 0)
+ samelen--;
+ }
+ } else if(W_ERROR_EQUAL(status, WERR_NO_MORE_ITEMS)) {
+ break;
+ } else {
+ int n;
+
+ printf("Error creating completion list: %s\n",
+ win_errstr(status));
+
+ for (n = j; n >= 0; n--) {
+ SAFE_FREE(matches[n]);
+ }
+ SAFE_FREE(matches);
+ talloc_free(mem_ctx);
+ return NULL;
+ }
+ }
+
+ if (j == 1) { /* No matches at all */
+ SAFE_FREE(matches);
+ talloc_free(mem_ctx);
+ return NULL;
+ }
+
+ if (j == 2) { /* Exact match */
+ ret = asprintf(&matches[0], "%s%s", base_n, matches[1]);
+ } else {
+ ret = asprintf(&matches[0], "%s%s", base_n,
+ talloc_strndup(mem_ctx, matches[1], samelen));
+ }
+ talloc_free(mem_ctx);
+ if (ret == -1) {
+ SAFE_FREE(matches);
+ return NULL;
+ }
+
+ matches[j] = NULL;
+ return matches;
+}
+
+static char **reg_completion(const char *text, int start, int end)
+{
+ smb_readline_ca_char(' ');
+
+ if (start == 0) {
+ return reg_complete_command(text, start, end);
+ } else {
+ return reg_complete_key(text, start, end);
+ }
+}
+
+int main(int argc, char **argv)
+{
+ const char **argv_const = discard_const_p(const char *, argv);
+ int opt;
+ const char *file = NULL;
+ poptContext pc;
+ const char *remote = NULL;
+ TALLOC_CTX *mem_ctx = NULL;
+ struct loadparm_context *lp_ctx = NULL;
+ struct cli_credentials *creds = NULL;
+ struct regshell_context *ctx;
+ struct tevent_context *ev_ctx;
+ bool ret = true;
+ bool ok;
+
+ struct poptOption long_options[] = {
+ POPT_AUTOHELP
+ {"file", 'F', POPT_ARG_STRING, &file, 0, "open hive file", NULL },
+ {"remote", 'R', POPT_ARG_STRING, &remote, 0, "connect to specified remote server", NULL},
+ POPT_COMMON_SAMBA
+ POPT_COMMON_CREDENTIALS
+ POPT_LEGACY_S4
+ POPT_COMMON_VERSION
+ POPT_TABLEEND
+ };
+
+ mem_ctx = talloc_init("regshell.c/main");
+ if (mem_ctx == NULL) {
+ exit(ENOMEM);
+ }
+
+ ok = samba_cmdline_init(mem_ctx,
+ SAMBA_CMDLINE_CONFIG_CLIENT,
+ false /* require_smbconf */);
+ if (!ok) {
+ DBG_ERR("Failed to init cmdline parser!\n");
+ TALLOC_FREE(mem_ctx);
+ exit(1);
+ }
+
+ pc = samba_popt_get_context(getprogname(),
+ argc,
+ argv_const,
+ long_options,
+ 0);
+ if (pc == NULL) {
+ DBG_ERR("Failed to setup popt context!\n");
+ TALLOC_FREE(mem_ctx);
+ exit(1);
+ }
+
+ while((opt = poptGetNextOpt(pc)) != -1) {
+ switch (opt) {
+ case POPT_ERROR_BADOPT:
+ fprintf(stderr, "\nInvalid option %s: %s\n\n",
+ poptBadOption(pc, 0), poptStrerror(opt));
+ poptPrintUsage(pc, stderr, 0);
+ exit(1);
+ }
+ }
+
+ poptFreeContext(pc);
+ samba_cmdline_burn(argc, argv);
+
+ ctx = talloc_zero(mem_ctx, struct regshell_context);
+
+ ev_ctx = s4_event_context_init(ctx);
+ lp_ctx = samba_cmdline_get_lp_ctx();
+ creds = samba_cmdline_get_creds();
+
+ if (remote != NULL) {
+ ctx->registry = reg_common_open_remote(remote, ev_ctx,
+ lp_ctx,
+ creds);
+ } else if (file != NULL) {
+ ctx->current = reg_common_open_file(file, ev_ctx,
+ lp_ctx,
+ creds);
+ if (ctx->current == NULL) {
+ TALLOC_FREE(mem_ctx);
+ exit(1);
+ }
+ ctx->registry = ctx->current->context;
+ ctx->path = talloc_strdup(ctx, "");
+ ctx->predef = NULL;
+ ctx->root = ctx->current;
+ } else {
+ ctx->registry = reg_common_open_local(creds,
+ ev_ctx,
+ lp_ctx);
+ }
+
+ if (ctx->registry == NULL) {
+ TALLOC_FREE(mem_ctx);
+ exit(1);
+ }
+
+ if (ctx->current == NULL) {
+ unsigned int i;
+
+ for (i = 0; (reg_predefined_keys[i].handle != 0) &&
+ (ctx->current == NULL); i++) {
+ WERROR err;
+ err = reg_get_predefined_key(ctx->registry,
+ reg_predefined_keys[i].handle,
+ &ctx->current);
+ if (W_ERROR_IS_OK(err)) {
+ ctx->predef = talloc_strdup(ctx,
+ reg_predefined_keys[i].name);
+ ctx->path = talloc_strdup(ctx, "");
+ ctx->root = ctx->current;
+ break;
+ } else {
+ ctx->current = NULL;
+ ctx->root = NULL;
+ }
+ }
+ }
+
+ if (ctx->current == NULL) {
+ fprintf(stderr, "Unable to access any of the predefined keys\n");
+ TALLOC_FREE(mem_ctx);
+ exit(1);
+ }
+
+ while (true) {
+ char *line, *prompt;
+
+ if (asprintf(&prompt, "%s\\%s> ", ctx->predef?ctx->predef:"",
+ ctx->path) < 0) {
+ ret = false;
+ break;
+ }
+
+ current_key = ctx->current; /* No way to pass a void * pointer
+ via readline :-( */
+ line = smb_readline(prompt, NULL, reg_completion);
+
+ if (line == NULL) {
+ free(prompt);
+ break;
+ }
+
+ if (line[0] != '\n') {
+ ret = W_ERROR_IS_OK(process_cmd(ctx, line));
+ }
+ free(line);
+ free(prompt);
+ }
+ TALLOC_FREE(mem_ctx);
+
+ return (ret?0:1);
+}
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