/* Unix SMB/CIFS implementation. simple registry frontend Copyright (C) Jelmer Vernooij 2004 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 2 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, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "includes.h" #include "lib/registry/registry.h" #include "lib/cmdline/popt_common.h" #include "lib/events/events.h" #include "lib/registry/reg_backend_rpc.h" #include "system/time.h" #include "lib/smbreadline/smbreadline.h" #include "librpc/gen_ndr/ndr_security.h" /* * 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 struct registry_key *cmd_info(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { struct security_descriptor *sec_desc = NULL; time_t last_mod; WERROR error; printf("Name: %s\n", cur->name); printf("Full path: %s\n", cur->path); printf("Key Class: %s\n", cur->class_name); last_mod = nt_time_to_unix(cur->last_mod); printf("Time Last Modified: %s\n", ctime(&last_mod)); error = reg_get_sec_desc(mem_ctx, cur, &sec_desc); if (!W_ERROR_IS_OK(error)) { printf("Error getting security descriptor\n"); } else { ndr_print_debug((ndr_print_fn_t)ndr_print_security_descriptor, "Security", sec_desc); } talloc_free(sec_desc); return cur; } static struct registry_key *cmd_predef(TALLOC_CTX *mem_ctx, struct registry_context *ctx, struct registry_key *cur, int argc, 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, argv[1], &ret); if (!W_ERROR_IS_OK(error)) { fprintf(stderr, "Error opening predefined key %s: %s\n", argv[1], win_errstr(error)); ret = NULL; } } return ret; } static struct registry_key *cmd_pwd(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { printf("%s\n", cur->path); return cur; } static struct registry_key *cmd_set(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { struct registry_value val; WERROR error; if (argc < 4) { fprintf(stderr, "Usage: set value-name type value\n"); return cur; } if (!reg_string_to_val(mem_ctx, argv[2], argv[3], &val.data_type, &val.data)) { fprintf(stderr, "Unable to interpret data\n"); return cur; } error = reg_val_set(cur, argv[1], val.data_type, val.data); if (!W_ERROR_IS_OK(error)) { fprintf(stderr, "Error setting value: %s\n", win_errstr(error)); return NULL; } return cur; } static struct registry_key *cmd_ck(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { struct registry_key *new = NULL; WERROR error; if(argc < 2) { new = cur; } else { error = reg_open_key(mem_ctx, cur, argv[1], &new); if(!W_ERROR_IS_OK(error)) { DEBUG(0, ("Error opening specified key: %s\n", win_errstr(error))); return NULL; } } printf("Current path is: %s\n", new->path); return new; } static struct registry_key *cmd_print(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { struct registry_value *value; WERROR error; if (argc != 2) { fprintf(stderr, "Usage: print <valuename>"); return NULL; } error = reg_key_get_value_by_name(mem_ctx, cur, argv[1], &value); if (!W_ERROR_IS_OK(error)) { fprintf(stderr, "No such value '%s'\n", argv[1]); return NULL; } printf("%s\n%s\n", str_regtype(value->data_type), reg_val_data_string(mem_ctx, value->data_type, &value->data)); return NULL; } static struct registry_key *cmd_ls(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { int i; WERROR error; struct registry_value *value; struct registry_key *sub; for(i = 0; W_ERROR_IS_OK(error = reg_key_get_subkey_by_index(mem_ctx, cur, i, &sub)); i++) { printf("K %s\n", sub->name); } if(!W_ERROR_EQUAL(error, WERR_NO_MORE_ITEMS)) { DEBUG(0, ("Error occured while browsing thru keys: %s\n", win_errstr(error))); } for(i = 0; W_ERROR_IS_OK(error = reg_key_get_value_by_index(mem_ctx, cur, i, &value)); i++) { printf("V \"%s\" %s %s\n", value->name, str_regtype(value->data_type), reg_val_data_string(mem_ctx, value->data_type, &value->data)); } return NULL; } static struct registry_key *cmd_mkkey(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { struct registry_key *tmp; if(argc < 2) { fprintf(stderr, "Usage: mkkey <keyname>\n"); return NULL; } if(!W_ERROR_IS_OK(reg_key_add_name(mem_ctx, cur, argv[1], 0, NULL, &tmp))) { fprintf(stderr, "Error adding new subkey '%s'\n", argv[1]); return NULL; } return NULL; } static struct registry_key *cmd_rmkey(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { if(argc < 2) { fprintf(stderr, "Usage: rmkey <name>\n"); return NULL; } if(!W_ERROR_IS_OK(reg_key_del(cur, argv[1]))) { fprintf(stderr, "Error deleting '%s'\n", argv[1]); } else { fprintf(stderr, "Successfully deleted '%s'\n", argv[1]); } return NULL; } static struct registry_key *cmd_rmval(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { if(argc < 2) { fprintf(stderr, "Usage: rmval <valuename>\n"); return NULL; } if(!W_ERROR_IS_OK(reg_del_value(cur, argv[1]))) { fprintf(stderr, "Error deleting value '%s'\n", argv[1]); } else { fprintf(stderr, "Successfully deleted value '%s'\n", argv[1]); } return NULL; } static struct registry_key *cmd_exit(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *cur, int argc, char **argv) { exit(0); return NULL; } static struct registry_key *cmd_help(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *, int, char **); static struct { const char *name; const char *alias; const char *help; struct registry_key *(*handle)(TALLOC_CTX *mem_ctx, struct registry_context *ctx,struct registry_key *, int argc, 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 }, {NULL } }; static struct registry_key *cmd_help(TALLOC_CTX *mem_ctx, struct registry_context *ctx, struct registry_key *cur, int argc, char **argv) { 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 NULL; } static struct registry_key *process_cmd(TALLOC_CTX *mem_ctx, struct registry_context *ctx, struct registry_key *k, char *line) { int argc; char **argv = NULL; int ret, i; if ((ret = poptParseArgvString(line, &argc, (const char ***) &argv)) != 0) { fprintf(stderr, "regshell: %s\n", poptStrerror(ret)); return k; } 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(mem_ctx, ctx, k, argc, argv); } } fprintf(stderr, "No such command '%s'\n", argv[0]); return k; } #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; int i, len, samelen=0, 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: count--; while (count >= 0) { free(matches[count]); count--; } free(matches); return NULL; } static char **reg_complete_key(const char *text, int start, int end) { struct registry_key *base; struct registry_key *subkey; int i, j = 1; int samelen = 0; int len; char **matches; const char *base_n = ""; TALLOC_CTX *mem_ctx; WERROR status; 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, &subkey); if(W_ERROR_IS_OK(status)) { if(!strncmp(text, subkey->name, len)) { matches[j] = strdup(subkey->name); 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 { printf("Error creating completion list: %s\n", win_errstr(status)); 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 */ asprintf(&matches[0], "%s%s", base_n, matches[1]); } else { asprintf(&matches[0], "%s%s", base_n, talloc_strndup(mem_ctx, matches[1], samelen)); } talloc_free(mem_ctx); 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) { int opt; const char *backend = NULL; struct registry_key *curkey = NULL; poptContext pc; WERROR error; TALLOC_CTX *mem_ctx = talloc_init("cmd"); const char *remote = NULL; struct registry_context *h = NULL; struct poptOption long_options[] = { POPT_AUTOHELP {"backend", 'b', POPT_ARG_STRING, &backend, 0, "backend to use", NULL}, {"remote", 'R', POPT_ARG_STRING, &remote, 0, "connect to specified remote server", NULL}, POPT_COMMON_SAMBA POPT_COMMON_CREDENTIALS POPT_COMMON_VERSION { NULL } }; pc = poptGetContext(argv[0], argc, (const char **) argv, long_options,0); while((opt = poptGetNextOpt(pc)) != -1) { } registry_init(); if (remote) { error = reg_open_remote (&h, NULL, cmdline_credentials, remote, NULL); } else if (backend) { error = reg_open_hive(NULL, backend, poptGetArg(pc), NULL, cmdline_credentials, &curkey); } else { error = reg_open_local(NULL, &h, NULL, cmdline_credentials); } if(!W_ERROR_IS_OK(error)) { fprintf(stderr, "Unable to open registry\n"); return 1; } if (h) { int i; for (i = 0; reg_predefined_keys[i].handle; i++) { WERROR err; err = reg_get_predefined_key(h, reg_predefined_keys[i].handle, &curkey); if (W_ERROR_IS_OK(err)) { break; } else { curkey = NULL; } } } if (!curkey) { fprintf(stderr, "Unable to access any of the predefined keys\n"); return -1; } poptFreeContext(pc); while(True) { char *line, *prompt; if(curkey->hive->root->name) { asprintf(&prompt, "%s:%s> ", curkey->hive->root->name, curkey->path); } else { asprintf(&prompt, "%s> ", curkey->path); } current_key = curkey; /* No way to pass a void * pointer via readline :-( */ line = smb_readline(prompt, NULL, reg_completion); if(!line) break; if(line[0] != '\n') { struct registry_key *new = process_cmd(mem_ctx, h, curkey, line); if(new)curkey = new; } } talloc_free(mem_ctx); return 0; }