mirror of
https://github.com/samba-team/samba.git
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279c95cebf
Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
641 lines
13 KiB
C
641 lines
13 KiB
C
/*
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Unix SMB/CIFS implementation.
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VFS module tester
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Copyright (C) Simo Sorce 2002
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Copyright (C) Eric Lorimer 2002
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Copyright (C) Jelmer Vernooij 2002,2003
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Most of this code was ripped off of rpcclient.
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Copyright (C) Tim Potter 2000-2001
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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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*/
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#include "includes.h"
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#include "locking/share_mode_lock.h"
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#include "smbd/smbd.h"
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#include "smbd/globals.h"
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#include "lib/cmdline/cmdline.h"
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#include "vfstest.h"
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#include "../libcli/smbreadline/smbreadline.h"
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#include "auth.h"
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#include "serverid.h"
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#include "messages.h"
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#include "libcli/security/security.h"
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#include "lib/smbd_shim.h"
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#include "system/filesys.h"
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#include "lib/global_contexts.h"
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/* List to hold groups of commands */
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static struct cmd_list {
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struct cmd_list *prev, *next;
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struct cmd_set *cmd_set;
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} *cmd_list;
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/* shall we do talloc_report after each command? */
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static int memreports = 0;
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/****************************************************************************
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handle completion of commands for readline
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****************************************************************************/
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static char **completion_fn(const char *text, int start, int end)
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{
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#define MAX_COMPLETIONS 100
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char **matches;
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int i, count=0;
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struct cmd_list *commands = cmd_list;
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if (start)
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return NULL;
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/* make sure we have a list of valid commands */
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if (!commands)
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return NULL;
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matches = SMB_MALLOC_ARRAY(char *, MAX_COMPLETIONS);
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if (!matches) return NULL;
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matches[count++] = SMB_STRDUP(text);
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if (!matches[0]) return NULL;
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while (commands && count < MAX_COMPLETIONS-1)
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{
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if (!commands->cmd_set)
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break;
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for (i=0; commands->cmd_set[i].name; i++)
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{
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if ((strncmp(text, commands->cmd_set[i].name, strlen(text)) == 0) &&
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commands->cmd_set[i].fn)
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{
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matches[count] = SMB_STRDUP(commands->cmd_set[i].name);
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if (!matches[count])
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return NULL;
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count++;
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}
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}
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commands = commands->next;
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}
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if (count == 2) {
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SAFE_FREE(matches[0]);
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matches[0] = SMB_STRDUP(matches[1]);
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}
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matches[count] = NULL;
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return matches;
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}
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static char *next_command(TALLOC_CTX *ctx, char **cmdstr)
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{
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char *command;
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char *p;
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if (!cmdstr || !(*cmdstr))
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return NULL;
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p = strchr_m(*cmdstr, ';');
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if (p)
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*p = '\0';
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command = talloc_strdup(ctx, *cmdstr);
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/* Pass back the remaining cmdstring
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(a trailing delimiter ";" does also work),
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or NULL at last cmdstring.
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*/
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*cmdstr = p ? p + 1 : p;
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return command;
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}
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/* Load specified configuration file */
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static NTSTATUS cmd_conf(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
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int argc, const char **argv)
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{
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if (argc != 2) {
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printf("Usage: %s <smb.conf>\n", argv[0]);
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return NT_STATUS_OK;
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}
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if (!lp_load_with_shares(argv[1])) {
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printf("Error loading \"%s\"\n", argv[1]);
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return NT_STATUS_OK;
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}
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printf("\"%s\" successfully loaded\n", argv[1]);
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return NT_STATUS_OK;
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}
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/* Display help on commands */
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static NTSTATUS cmd_help(struct vfs_state *vfs, TALLOC_CTX *mem_ctx,
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int argc, const char **argv)
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{
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struct cmd_list *tmp;
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struct cmd_set *tmp_set;
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/* Usage */
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if (argc > 2) {
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printf("Usage: %s [command]\n", argv[0]);
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return NT_STATUS_OK;
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}
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/* Help on one command */
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if (argc == 2) {
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for (tmp = cmd_list; tmp; tmp = tmp->next) {
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tmp_set = tmp->cmd_set;
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while(tmp_set->name) {
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if (strequal(argv[1], tmp_set->name)) {
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if (tmp_set->usage &&
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tmp_set->usage[0])
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printf("%s\n", tmp_set->usage);
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else
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printf("No help for %s\n", tmp_set->name);
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return NT_STATUS_OK;
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}
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tmp_set++;
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}
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}
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printf("No such command: %s\n", argv[1]);
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return NT_STATUS_OK;
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}
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/* List all commands */
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for (tmp = cmd_list; tmp; tmp = tmp->next) {
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tmp_set = tmp->cmd_set;
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while(tmp_set->name) {
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printf("%15s\t\t%s\n", tmp_set->name,
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tmp_set->description ? tmp_set->description:
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"");
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tmp_set++;
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}
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}
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return NT_STATUS_OK;
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}
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/* Change the debug level */
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static NTSTATUS cmd_debuglevel(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
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{
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if (argc > 2) {
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printf("Usage: %s [debuglevel]\n", argv[0]);
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return NT_STATUS_OK;
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}
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if (argc == 2) {
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lp_set_cmdline("log level", argv[1]);
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}
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printf("debuglevel is %d\n", DEBUGLEVEL);
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return NT_STATUS_OK;
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}
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static NTSTATUS cmd_freemem(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
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{
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/* Cleanup */
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talloc_destroy(mem_ctx);
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mem_ctx = NULL;
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vfs->data = NULL;
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vfs->data_size = 0;
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return NT_STATUS_OK;
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}
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static NTSTATUS cmd_quit(struct vfs_state *vfs, TALLOC_CTX *mem_ctx, int argc, const char **argv)
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{
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/* Cleanup */
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talloc_destroy(mem_ctx);
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exit(0);
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return NT_STATUS_OK; /* NOTREACHED */
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}
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static struct cmd_set vfstest_commands[] = {
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{ .name = "GENERAL OPTIONS" },
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{ "conf", cmd_conf, "Load smb configuration file", "conf <smb.conf>" },
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{ "help", cmd_help, "Get help on commands", "" },
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{ "?", cmd_help, "Get help on commands", "" },
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{ "debuglevel", cmd_debuglevel, "Set debug level", "" },
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{ "freemem", cmd_freemem, "Free currently allocated buffers", "" },
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{ "exit", cmd_quit, "Exit program", "" },
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{ "quit", cmd_quit, "Exit program", "" },
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{ .name = NULL }
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};
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static struct cmd_set separator_command[] = {
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{
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.name = "---------------",
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.description = "----------------------"
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},
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{
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.name = NULL,
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},
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};
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extern struct cmd_set vfs_commands[];
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static struct cmd_set *vfstest_command_list[] = {
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vfstest_commands,
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vfs_commands,
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NULL
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};
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static void add_command_set(struct cmd_set *cmd_set)
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{
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struct cmd_list *entry;
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if (!(entry = SMB_MALLOC_P(struct cmd_list))) {
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DEBUG(0, ("out of memory\n"));
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return;
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}
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ZERO_STRUCTP(entry);
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entry->cmd_set = cmd_set;
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DLIST_ADD(cmd_list, entry);
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}
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static NTSTATUS do_cmd(struct vfs_state *vfs, struct cmd_set *cmd_entry, char *cmd)
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{
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const char *p = cmd;
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const char **argv = NULL;
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NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
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char *buf;
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TALLOC_CTX *mem_ctx = talloc_stackframe();
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int argc = 0;
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/* Count number of arguments first time through the loop then
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allocate memory and strdup them. */
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again:
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while(next_token_talloc(mem_ctx, &p, &buf, " ")) {
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if (argv) {
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argv[argc] = talloc_strdup(argv, buf);
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}
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argc++;
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}
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if (!argv) {
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/* Create argument list */
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argv = talloc_zero_array(mem_ctx, const char *, argc);
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if (argv == NULL) {
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fprintf(stderr, "out of memory\n");
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result = NT_STATUS_NO_MEMORY;
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goto done;
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}
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p = cmd;
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argc = 0;
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goto again;
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}
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/* Call the function */
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if (cmd_entry->fn) {
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/* Run command */
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result = cmd_entry->fn(vfs, mem_ctx, argc, (const char **)argv);
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} else {
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fprintf (stderr, "Invalid command\n");
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goto done;
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}
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done:
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/* Cleanup */
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if (argv) {
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char **_argv = discard_const_p(char *, argv);
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TALLOC_FREE(_argv);
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argv = NULL;
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}
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if (memreports != 0) {
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talloc_report_full(mem_ctx, stdout);
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}
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TALLOC_FREE(mem_ctx);
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return result;
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}
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/* Process a command entered at the prompt or as part of -c */
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static NTSTATUS process_cmd(struct vfs_state *vfs, char *cmd)
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{
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struct cmd_list *temp_list;
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bool found = False;
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char *buf;
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const char *p = cmd;
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NTSTATUS result = NT_STATUS_OK;
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TALLOC_CTX *mem_ctx = talloc_stackframe();
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int len = 0;
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if (cmd[strlen(cmd) - 1] == '\n')
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cmd[strlen(cmd) - 1] = '\0';
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if (!next_token_talloc(mem_ctx, &p, &buf, " ")) {
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TALLOC_FREE(mem_ctx);
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return NT_STATUS_OK;
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}
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/* Strip the trailing \n if it exists */
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len = strlen(buf);
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if (buf[len-1] == '\n')
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buf[len-1] = '\0';
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/* Search for matching commands */
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for (temp_list = cmd_list; temp_list; temp_list = temp_list->next) {
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struct cmd_set *temp_set = temp_list->cmd_set;
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while(temp_set->name) {
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if (strequal(buf, temp_set->name)) {
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found = True;
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result = do_cmd(vfs, temp_set, cmd);
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goto done;
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}
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temp_set++;
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}
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}
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done:
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if (!found && buf[0]) {
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printf("command not found: %s\n", buf);
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TALLOC_FREE(mem_ctx);
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return NT_STATUS_OK;
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}
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if (!NT_STATUS_IS_OK(result)) {
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printf("result was %s\n", nt_errstr(result));
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}
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TALLOC_FREE(mem_ctx);
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return result;
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}
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static void process_file(struct vfs_state *pvfs, char *filename) {
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FILE *file;
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char command[3 * PATH_MAX];
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if (*filename == '-') {
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file = stdin;
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} else {
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file = fopen(filename, "r");
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if (file == NULL) {
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printf("vfstest: error reading file (%s)!", filename);
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printf("errno n.%d: %s", errno, strerror(errno));
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exit(-1);
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}
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}
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while (fgets(command, 3 * PATH_MAX, file) != NULL) {
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process_cmd(pvfs, command);
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}
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if (file != stdin) {
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fclose(file);
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}
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}
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static void vfstest_exit_server(const char * const reason) _NORETURN_;
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static void vfstest_exit_server(const char * const reason)
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{
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DEBUG(3,("Server exit (%s)\n", (reason ? reason : "")));
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exit(0);
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}
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static void vfstest_exit_server_cleanly(const char * const reason) _NORETURN_;
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static void vfstest_exit_server_cleanly(const char * const reason)
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{
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vfstest_exit_server("normal exit");
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}
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struct smb_request *vfstest_get_smbreq(TALLOC_CTX *mem_ctx,
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struct vfs_state *vfs)
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{
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struct smb_request *result;
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uint8_t *inbuf;
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result = talloc_zero(mem_ctx, struct smb_request);
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if (result == NULL) {
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return NULL;
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}
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result->sconn = vfs->conn->sconn;
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result->mid = ++vfs->mid;
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inbuf = talloc_array(result, uint8_t, smb_size);
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if (inbuf == NULL) {
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goto fail;
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}
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SSVAL(inbuf, smb_mid, result->mid);
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smb_setlen(inbuf, smb_size-4);
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result->inbuf = inbuf;
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return result;
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fail:
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TALLOC_FREE(result);
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return NULL;
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}
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/* Main function */
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int main(int argc, const char *argv[])
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{
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char *cmdstr = NULL;
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struct cmd_set **cmd_set;
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struct conn_struct_tos *c = NULL;
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struct vfs_state *vfs;
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int i;
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char *filename = NULL;
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char *cwd = NULL;
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TALLOC_CTX *frame = talloc_stackframe();
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struct auth_session_info *session_info = NULL;
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NTSTATUS status = NT_STATUS_OK;
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bool ok;
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/* make sure the vars that get altered (4th field) are in
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a fixed location or certain compilers complain */
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poptContext pc;
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struct poptOption long_options[] = {
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POPT_AUTOHELP
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{
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.longName = "file",
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.shortName = 'f',
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.argInfo = POPT_ARG_STRING,
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.arg = &filename,
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},
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{
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.longName = "command",
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.shortName = 'c',
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.argInfo = POPT_ARG_STRING,
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.arg = &cmdstr,
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.val = 0,
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.descrip = "Execute specified list of commands",
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},
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{
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.longName = "memreport",
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.shortName = 'm',
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.argInfo = POPT_ARG_INT,
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.arg = &memreports,
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.descrip = "Report memory left on talloc stackframe after each command",
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},
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POPT_COMMON_SAMBA
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POPT_COMMON_VERSION
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POPT_TABLEEND
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};
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static const struct smbd_shim vfstest_shim_fns =
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{
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.exit_server = vfstest_exit_server,
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.exit_server_cleanly = vfstest_exit_server_cleanly,
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};
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smb_init_locale();
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setlinebuf(stdout);
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ok = samba_cmdline_init(frame,
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SAMBA_CMDLINE_CONFIG_SERVER,
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true /* require_smbconf */);
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if (!ok) {
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TALLOC_FREE(frame);
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exit(1);
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}
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pc = samba_popt_get_context("vfstest", argc, argv, long_options, 0);
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if (pc == NULL) {
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TALLOC_FREE(frame);
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exit(1);
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}
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while(poptGetNextOpt(pc) != -1);
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poptFreeContext(pc);
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/* we want total control over the permissions on created files,
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so set our umask to 0 */
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umask(0);
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/* TODO: check output */
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reload_services(NULL, NULL, false);
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per_thread_cwd_check();
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set_smbd_shim(&vfstest_shim_fns);
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/* Load command lists */
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cmd_set = vfstest_command_list;
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while(*cmd_set) {
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add_command_set(*cmd_set);
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add_command_set(separator_command);
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cmd_set++;
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}
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/* some basic initialization stuff */
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sec_init();
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init_guest_session_info(frame);
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locking_init();
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vfs = talloc_zero(frame, struct vfs_state);
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if (vfs == NULL) {
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return 1;
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}
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status = make_session_info_guest(vfs, &session_info);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return 1;
|
|
}
|
|
|
|
/* Provided by libreplace if not present. Always mallocs. */
|
|
cwd = get_current_dir_name();
|
|
if (cwd == NULL) {
|
|
return -1;
|
|
}
|
|
|
|
status = create_conn_struct_tos_cwd(global_messaging_context(),
|
|
-1,
|
|
cwd,
|
|
session_info,
|
|
&c);
|
|
SAFE_FREE(cwd);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return 1;
|
|
}
|
|
vfs->conn = c->conn;
|
|
|
|
vfs->conn->share_access = FILE_GENERIC_ALL;
|
|
vfs->conn->read_only = false;
|
|
|
|
file_init(vfs->conn->sconn);
|
|
for (i=0; i < 1024; i++)
|
|
vfs->files[i] = NULL;
|
|
|
|
if (!posix_locking_init(false)) {
|
|
return 1;
|
|
}
|
|
|
|
/* Do we have a file input? */
|
|
if (filename && filename[0]) {
|
|
process_file(vfs, filename);
|
|
return 0;
|
|
}
|
|
|
|
/* Do anything specified with -c */
|
|
if (cmdstr && cmdstr[0]) {
|
|
char *cmd;
|
|
char *p = cmdstr;
|
|
|
|
while((cmd=next_command(frame, &p)) != NULL) {
|
|
status = process_cmd(vfs, cmd);
|
|
}
|
|
|
|
TALLOC_FREE(cmd);
|
|
return NT_STATUS_IS_OK(status) ? 0 : 1;
|
|
}
|
|
|
|
/* Loop around accepting commands */
|
|
|
|
while(1) {
|
|
char *line = NULL;
|
|
|
|
line = smb_readline("vfstest $> ", NULL, completion_fn);
|
|
|
|
if (line == NULL) {
|
|
break;
|
|
}
|
|
|
|
if (line[0] != '\n') {
|
|
status = process_cmd(vfs, line);
|
|
}
|
|
SAFE_FREE(line);
|
|
}
|
|
|
|
TALLOC_FREE(vfs);
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_IS_OK(status) ? 0 : 1;
|
|
}
|