diff options
Diffstat (limited to '')
-rw-r--r-- | source4/lib/registry/tools/regshell.c | 708 |
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); +} |