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Unix SMB/CIFS implementation.
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simple registry frontend
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Copyright (C) Jelmer Vernooij 2004-2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "lib/registry/registry.h"
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#include "lib/cmdline/popt_common.h"
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#include "lib/events/events.h"
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#include "system/time.h"
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#include "lib/smbreadline/smbreadline.h"
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#include "librpc/gen_ndr/ndr_security.h"
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#include "lib/registry/tools/common.h"
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#include "param/param.h"
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struct regshell_context {
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struct registry_context *registry;
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struct registry_key *current;
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* ls - list values/keys
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* rmval/rm - remove value
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* rmkey/rmdir - remove key
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* mkkey/mkdir - make key
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* info - show key info
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static WERROR cmd_info(struct regshell_context *ctx, int argc, char **argv)
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struct security_descriptor *sec_desc = NULL;
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const char *classname = NULL;
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uint32_t max_subkeynamelen;
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uint32_t max_valnamelen;
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uint32_t max_valbufsize;
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error = reg_key_get_info(ctx, ctx->current, &classname, &num_subkeys, &num_values,
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&last_change, &max_subkeynamelen, &max_valnamelen, &max_valbufsize);
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if (!W_ERROR_IS_OK(error)) {
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printf("Error getting key info: %s\n", win_errstr(error));
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printf("Name: %s\n", strchr(ctx->path, '\\')?strrchr(ctx->path, '\\')+1:
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printf("Full path: %s\n", ctx->path);
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if (classname != NULL)
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printf("Key Class: %s\n", classname);
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last_mod = nt_time_to_unix(last_change);
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printf("Time Last Modified: %s\n", ctime(&last_mod));
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printf("Number of subkeys: %d\n", num_subkeys);
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printf("Number of values: %d\n", num_values);
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if (max_valnamelen > 0)
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printf("Maximum value name length: %d\n", max_valnamelen);
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if (max_valbufsize > 0)
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printf("Maximum value data length: %d\n", max_valbufsize);
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if (max_subkeynamelen > 0)
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printf("Maximum sub key name length: %d\n", max_subkeynamelen);
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error = reg_get_sec_desc(ctx, ctx->current, &sec_desc);
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if (!W_ERROR_IS_OK(error)) {
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printf("Error getting security descriptor\n");
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ndr_print_debug((ndr_print_fn_t)ndr_print_security_descriptor,
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"Security", sec_desc);
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talloc_free(sec_desc);
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static WERROR cmd_predef(struct regshell_context *ctx, int argc, char **argv)
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struct registry_key *ret = NULL;
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fprintf(stderr, "Usage: predef predefined-key-name\n");
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fprintf(stderr, "No full registry loaded, no predefined keys defined\n");
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WERROR error = reg_get_predefined_key_by_name(ctx->registry,
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if (!W_ERROR_IS_OK(error)) {
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fprintf(stderr, "Error opening predefined key %s: %s\n",
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argv[1], win_errstr(error));
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ctx->path = strupper_talloc(ctx, argv[1]);
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static WERROR cmd_pwd(struct regshell_context *ctx,
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int argc, char **argv)
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printf("%s\n", ctx->path);
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static WERROR cmd_set(struct regshell_context *ctx, int argc, char **argv)
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struct registry_value val;
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fprintf(stderr, "Usage: set value-name type value\n");
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return WERR_INVALID_PARAM;
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if (!reg_string_to_val(ctx, lp_iconv_convenience(cmdline_lp_ctx),
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argv[2], argv[3], &val.data_type,
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fprintf(stderr, "Unable to interpret data\n");
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return WERR_INVALID_PARAM;
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error = reg_val_set(ctx->current, argv[1], val.data_type, val.data);
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if (!W_ERROR_IS_OK(error)) {
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fprintf(stderr, "Error setting value: %s\n", win_errstr(error));
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static WERROR cmd_ck(struct regshell_context *ctx, int argc, char **argv)
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struct registry_key *nkey = NULL;
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error = reg_open_key(ctx->registry, ctx->current, argv[1],
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if(!W_ERROR_IS_OK(error)) {
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DEBUG(0, ("Error opening specified key: %s\n",
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ctx->path = talloc_asprintf(ctx, "%s\\%s", ctx->path, argv[1]);
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printf("New path is: %s\n", ctx->path);
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static WERROR cmd_print(struct regshell_context *ctx, int argc, char **argv)
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DATA_BLOB value_data;
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fprintf(stderr, "Usage: print <valuename>\n");
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return WERR_INVALID_PARAM;
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error = reg_key_get_value_by_name(ctx, ctx->current, argv[1],
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&value_type, &value_data);
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if (!W_ERROR_IS_OK(error)) {
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fprintf(stderr, "No such value '%s'\n", argv[1]);
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printf("%s\n%s\n", str_regtype(value_type),
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reg_val_data_string(ctx, lp_iconv_convenience(cmdline_lp_ctx), value_type, value_data));
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static WERROR cmd_ls(struct regshell_context *ctx, int argc, char **argv)
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const char *name = NULL;
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for (i = 0; W_ERROR_IS_OK(error = reg_key_get_subkey_by_index(ctx,
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printf("K %s\n", name);
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if (!W_ERROR_EQUAL(error, WERR_NO_MORE_ITEMS)) {
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fprintf(stderr, "Error occured while browsing thru keys: %s\n",
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for (i = 0; W_ERROR_IS_OK(error = reg_key_get_value_by_index(ctx,
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ctx->current, i, &name, &valuetype, &valuedata)); i++)
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printf("V \"%s\" %s %s\n", name, str_regtype(valuetype),
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reg_val_data_string(ctx, lp_iconv_convenience(cmdline_lp_ctx), valuetype, valuedata));
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static WERROR cmd_mkkey(struct regshell_context *ctx, int argc, char **argv)
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struct registry_key *tmp;
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fprintf(stderr, "Usage: mkkey <keyname>\n");
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return WERR_INVALID_PARAM;
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error = reg_key_add_name(ctx, ctx->current, argv[1], 0, NULL, &tmp);
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if (!W_ERROR_IS_OK(error)) {
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fprintf(stderr, "Error adding new subkey '%s': %s\n", argv[1],
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static WERROR cmd_rmkey(struct regshell_context *ctx,
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int argc, char **argv)
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fprintf(stderr, "Usage: rmkey <name>\n");
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return WERR_INVALID_PARAM;
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error = reg_key_del(ctx->current, argv[1]);
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if(!W_ERROR_IS_OK(error)) {
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fprintf(stderr, "Error deleting '%s'\n", argv[1]);
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fprintf(stderr, "Successfully deleted '%s'\n", argv[1]);
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static WERROR cmd_rmval(struct regshell_context *ctx, int argc, char **argv)
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fprintf(stderr, "Usage: rmval <valuename>\n");
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return WERR_INVALID_PARAM;
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error = reg_del_value(ctx->current, argv[1]);
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if(!W_ERROR_IS_OK(error)) {
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fprintf(stderr, "Error deleting value '%s'\n", argv[1]);
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fprintf(stderr, "Successfully deleted value '%s'\n", argv[1]);
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_NORETURN_ static WERROR cmd_exit(struct regshell_context *ctx,
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int argc, char **argv)
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static WERROR cmd_help(struct regshell_context *ctx, int, char **);
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WERROR (*handle)(struct regshell_context *ctx, int argc, char **argv);
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} regshell_cmds[] = {
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{"ck", "cd", "Change current key", cmd_ck },
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{"info", "i", "Show detailed information of a key", cmd_info },
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{"list", "ls", "List values/keys in current key", cmd_ls },
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{"print", "p", "Print value", cmd_print },
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{"mkkey", "mkdir", "Make new key", cmd_mkkey },
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{"rmval", "rm", "Remove value", cmd_rmval },
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{"rmkey", "rmdir", "Remove key", cmd_rmkey },
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{"pwd", "pwk", "Printing current key", cmd_pwd },
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{"set", "update", "Update value", cmd_set },
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{"help", "?", "Help", cmd_help },
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{"exit", "quit", "Exit", cmd_exit },
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{"predef", "predefined", "Go to predefined key", cmd_predef },
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static WERROR cmd_help(struct regshell_context *ctx,
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int argc, char **argv)
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printf("Available commands:\n");
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for(i = 0; regshell_cmds[i].name; i++) {
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printf("%s - %s\n", regshell_cmds[i].name,
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regshell_cmds[i].help);
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static WERROR process_cmd(struct regshell_context *ctx,
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if ((ret = poptParseArgvString(line, &argc, (const char ***) &argv)) != 0) {
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fprintf(stderr, "regshell: %s\n", poptStrerror(ret));
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return WERR_INVALID_PARAM;
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for(i = 0; regshell_cmds[i].name; i++) {
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if(!strcmp(regshell_cmds[i].name, argv[0]) ||
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(regshell_cmds[i].alias && !strcmp(regshell_cmds[i].alias, argv[0]))) {
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return regshell_cmds[i].handle(ctx, argc, argv);
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fprintf(stderr, "No such command '%s'\n", argv[0]);
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return WERR_INVALID_PARAM;
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#define MAX_COMPLETIONS 100
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static struct registry_key *current_key = NULL;
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static char **reg_complete_command(const char *text, int start, int end)
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/* Complete command */
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int i, len, samelen=0, count=1;
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matches = malloc_array_p(char *, MAX_COMPLETIONS);
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if (!matches) return NULL;
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for (i=0;regshell_cmds[i].handle && count < MAX_COMPLETIONS-1;i++) {
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if (strncmp(text, regshell_cmds[i].name, len) == 0) {
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matches[count] = strdup(regshell_cmds[i].name);
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samelen = strlen(matches[count]);
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while (strncmp(matches[count], matches[count-1], samelen) != 0)
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case 0: /* should never happen */
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matches[0] = strdup(matches[1]);
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matches[0] = strndup(matches[1], samelen);
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matches[count] = NULL;
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free(matches[count]);
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static char **reg_complete_key(const char *text, int start, int end)
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struct registry_key *base;
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const char *subkeyname;
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const char *base_n = "";
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matches = malloc_array_p(char *, MAX_COMPLETIONS);
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if (!matches) return NULL;
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mem_ctx = talloc_init("completion");
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for(i = 0; j < MAX_COMPLETIONS-1; i++) {
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status = reg_key_get_subkey_by_index(mem_ctx, base, i,
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&subkeyname, NULL, NULL);
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if(W_ERROR_IS_OK(status)) {
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if(!strncmp(text, subkeyname, len)) {
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matches[j] = strdup(subkeyname);
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samelen = strlen(matches[j]);
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while (strncmp(matches[j], matches[j-1], samelen) != 0)
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} else if(W_ERROR_EQUAL(status, WERR_NO_MORE_ITEMS)) {
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printf("Error creating completion list: %s\n",
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talloc_free(mem_ctx);
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if (j == 1) { /* No matches at all */
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talloc_free(mem_ctx);
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if (j == 2) { /* Exact match */
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asprintf(&matches[0], "%s%s", base_n, matches[1]);
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asprintf(&matches[0], "%s%s", base_n,
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talloc_strndup(mem_ctx, matches[1], samelen));
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talloc_free(mem_ctx);
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static char **reg_completion(const char *text, int start, int end)
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smb_readline_ca_char(' ');
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return reg_complete_command(text, start, end);
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return reg_complete_key(text, start, end);
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int main(int argc, char **argv)
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const char *file = NULL;
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const char *remote = NULL;
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struct regshell_context *ctx;
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struct tevent_context *ev_ctx;
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struct poptOption long_options[] = {
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{"file", 'F', POPT_ARG_STRING, &file, 0, "open hive file", NULL },
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{"remote", 'R', POPT_ARG_STRING, &remote, 0, "connect to specified remote server", NULL},
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POPT_COMMON_CREDENTIALS
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pc = poptGetContext(argv[0], argc, (const char **) argv, long_options,0);
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while((opt = poptGetNextOpt(pc)) != -1) {
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ctx = talloc_zero(NULL, struct regshell_context);
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ev_ctx = s4_event_context_init(ctx);
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if (remote != NULL) {
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ctx->registry = reg_common_open_remote(remote, ev_ctx,
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cmdline_lp_ctx, cmdline_credentials);
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} else if (file != NULL) {
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ctx->current = reg_common_open_file(file, ev_ctx, cmdline_lp_ctx, cmdline_credentials);
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if (ctx->current == NULL)
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ctx->registry = ctx->current->context;
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ctx->path = talloc_strdup(ctx, "");
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ctx->registry = reg_common_open_local(cmdline_credentials, ev_ctx, cmdline_lp_ctx);
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if (ctx->registry == NULL)
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if (ctx->current == NULL) {
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for (i = 0; (reg_predefined_keys[i].handle != 0) &&
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(ctx->current == NULL); i++) {
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err = reg_get_predefined_key(ctx->registry,
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reg_predefined_keys[i].handle,
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if (W_ERROR_IS_OK(err)) {
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ctx->path = talloc_strdup(ctx,
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reg_predefined_keys[i].name);
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if (ctx->current == NULL) {
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fprintf(stderr, "Unable to access any of the predefined keys\n");
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asprintf(&prompt, "%s> ", ctx->path);
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current_key = ctx->current; /* No way to pass a void * pointer
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line = smb_readline(prompt, NULL, reg_completion);
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if (line[0] != '\n') {
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ret = W_ERROR_IS_OK(process_cmd(ctx, line));