rpcclient.c

samba-3.0.22.tar.gz 编译smb服务器的源码

/* 
   Unix SMB/CIFS implementation.
   RPC pipe client

   Copyright (C) Tim Potter 2000-2001
   Copyright (C) Martin Pool 2003

   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 "rpcclient.h"

DOM_SID domain_sid;

static enum pipe_auth_type pipe_default_auth_type = PIPE_AUTH_TYPE_NONE;
static enum pipe_auth_level pipe_default_auth_level = PIPE_AUTH_LEVEL_NONE;

/* List to hold groups of commands.
 *
 * Commands are defined in a list of arrays: arrays are easy to
 * statically declare, and lists are easier to dynamically extend.
 */

static struct cmd_list {
	struct cmd_list *prev, *next;
	struct cmd_set *cmd_set;
} *cmd_list;

/****************************************************************************
handle completion of commands for readline
****************************************************************************/
static char **completion_fn(const char *text, int start, int end)
{
#define MAX_COMPLETIONS 100
	char **matches;
	int i, count=0;
	struct cmd_list *commands = cmd_list;

#if 0	/* JERRY */
	/* FIXME!!!  -- what to do when completing argument? */
	/* for words not at the start of the line fallback 
	   to filename completion */
	if (start) 
		return NULL;
#endif

	/* make sure we have a list of valid commands */
	if (!commands) 
		return NULL;

	matches = SMB_MALLOC_ARRAY(char *, MAX_COMPLETIONS);
	if (!matches) return NULL;

	matches[count++] = SMB_STRDUP(text);
	if (!matches[0]) return NULL;

	while (commands && count < MAX_COMPLETIONS-1) 
	{
		if (!commands->cmd_set)
			break;
		
		for (i=0; commands->cmd_set[i].name; i++)
		{
			if ((strncmp(text, commands->cmd_set[i].name, strlen(text)) == 0) &&
				(( commands->cmd_set[i].returntype == RPC_RTYPE_NTSTATUS &&
                        commands->cmd_set[i].ntfn ) || 
                      ( commands->cmd_set[i].returntype == RPC_RTYPE_WERROR &&
                        commands->cmd_set[i].wfn)))
			{
				matches[count] = SMB_STRDUP(commands->cmd_set[i].name);
				if (!matches[count]) 
					return NULL;
				count++;
			}
		}
		
		commands = commands->next;
		
	}

	if (count == 2) {
		SAFE_FREE(matches[0]);
		matches[0] = SMB_STRDUP(matches[1]);
	}
	matches[count] = NULL;
	return matches;
}

static char* next_command (char** cmdstr)
{
	static pstring 		command;
	char			*p;
	
	if (!cmdstr || !(*cmdstr))
		return NULL;
	
	p = strchr_m(*cmdstr, ';');
	if (p)
		*p = '\0';
	pstrcpy(command, *cmdstr);
	if (p)
		*cmdstr = p + 1;
	else
		*cmdstr = NULL;
	
	return command;
}

/* Fetch the SID for this computer */

static void fetch_machine_sid(struct cli_state *cli)
{
	POLICY_HND pol;
	NTSTATUS result = NT_STATUS_OK;
	uint32 info_class = 5;
	char *domain_name = NULL;
	static BOOL got_domain_sid;
	TALLOC_CTX *mem_ctx;
	DOM_SID *dom_sid = NULL;
	struct rpc_pipe_client *lsapipe = NULL;

	if (got_domain_sid) return;

	if (!(mem_ctx=talloc_init("fetch_machine_sid"))) {
		DEBUG(0,("fetch_machine_sid: talloc_init returned NULL!\n"));
		goto error;
	}

	if ((lsapipe = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &result)) == NULL) {
		fprintf(stderr, "could not initialise lsa pipe. Error was %s\n", nt_errstr(result) );
		goto error;
	}
	
	result = rpccli_lsa_open_policy(lsapipe, mem_ctx, True, 
				     SEC_RIGHTS_MAXIMUM_ALLOWED,
				     &pol);
	if (!NT_STATUS_IS_OK(result)) {
		goto error;
	}

	result = rpccli_lsa_query_info_policy(lsapipe, mem_ctx, &pol, info_class, 
					   &domain_name, &dom_sid);
	if (!NT_STATUS_IS_OK(result)) {
		goto error;
	}

	got_domain_sid = True;
	sid_copy( &domain_sid, dom_sid );

	rpccli_lsa_close(lsapipe, mem_ctx, &pol);
	cli_rpc_pipe_close(lsapipe);
	talloc_destroy(mem_ctx);

	return;

 error:

	if (lsapipe) {
		cli_rpc_pipe_close(lsapipe);
	}

	fprintf(stderr, "could not obtain sid for domain %s\n", cli->domain);

	if (!NT_STATUS_IS_OK(result)) {
		fprintf(stderr, "error: %s\n", nt_errstr(result));
	}

	exit(1);
}

/* List the available commands on a given pipe */

static NTSTATUS cmd_listcommands(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
				 int argc, const char **argv)
{
	struct cmd_list *tmp;
        struct cmd_set *tmp_set;
	int i;

        /* Usage */

        if (argc != 2) {
                printf("Usage: %s <pipe>\n", argv[0]);
                return NT_STATUS_OK;
        }

        /* Help on one command */

	for (tmp = cmd_list; tmp; tmp = tmp->next) 
	{
		tmp_set = tmp->cmd_set;
		
		if (!StrCaseCmp(argv[1], tmp_set->name))
		{
			printf("Available commands on the %s pipe:\n\n", tmp_set->name);

			i = 0;
			tmp_set++;
			while(tmp_set->name) {
				printf("%30s", tmp_set->name);
                                tmp_set++;
				i++;
				if (i%3 == 0)
					printf("\n");
			}
			
			/* drop out of the loop */
			break;
		}
        }
	printf("\n\n");

	return NT_STATUS_OK;
}

/* Display help on commands */

static NTSTATUS cmd_help(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
                         int argc, const char **argv)
{
	struct cmd_list *tmp;
        struct cmd_set *tmp_set;

        /* Usage */

        if (argc > 2) {
                printf("Usage: %s [command]\n", argv[0]);
                return NT_STATUS_OK;
        }

        /* Help on one command */

        if (argc == 2) {
                for (tmp = cmd_list; tmp; tmp = tmp->next) {
                        
                        tmp_set = tmp->cmd_set;

                        while(tmp_set->name) {
                                if (strequal(argv[1], tmp_set->name)) {
                                        if (tmp_set->usage &&
                                            tmp_set->usage[0])
                                                printf("%s\n", tmp_set->usage);
                                        else
                                                printf("No help for %s\n", tmp_set->name);

                                        return NT_STATUS_OK;
                                }

                                tmp_set++;
                        }
                }

                printf("No such command: %s\n", argv[1]);
                return NT_STATUS_OK;
        }

        /* List all commands */

	for (tmp = cmd_list; tmp; tmp = tmp->next) {

		tmp_set = tmp->cmd_set;

		while(tmp_set->name) {

			printf("%15s\t\t%s\n", tmp_set->name,
			       tmp_set->description ? tmp_set->description:
			       "");

			tmp_set++;
		}
	}

	return NT_STATUS_OK;
}

/* Change the debug level */

static NTSTATUS cmd_debuglevel(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
                               int argc, const char **argv)
{
	if (argc > 2) {
		printf("Usage: %s [debuglevel]\n", argv[0]);
		return NT_STATUS_OK;
	}

	if (argc == 2) {
		DEBUGLEVEL = atoi(argv[1]);
	}

	printf("debuglevel is %d\n", DEBUGLEVEL);

	return NT_STATUS_OK;
}

static NTSTATUS cmd_quit(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
                         int argc, const char **argv)
{
	exit(0);
	return NT_STATUS_OK; /* NOTREACHED */
}

static NTSTATUS cmd_set_ss_level(void)
{
	struct cmd_list *tmp;

	/* Close any existing connections not at this level. */

	for (tmp = cmd_list; tmp; tmp = tmp->next) {
        	struct cmd_set *tmp_set;

		for (tmp_set = tmp->cmd_set; tmp_set->name; tmp_set++) {
			if (tmp_set->rpc_pipe == NULL) {
				continue;
			}

			if (tmp_set->rpc_pipe->auth.auth_type != pipe_default_auth_type ||
					tmp_set->rpc_pipe->auth.auth_level != pipe_default_auth_level) {
				cli_rpc_pipe_close(tmp_set->rpc_pipe);
				tmp_set->rpc_pipe = NULL;
			}
		}
	}
	return NT_STATUS_OK;
}

static NTSTATUS cmd_sign(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
                         int argc, const char **argv)
{
	pipe_default_auth_level = PIPE_AUTH_LEVEL_INTEGRITY;
	pipe_default_auth_type = PIPE_AUTH_TYPE_NTLMSSP;

	if (argc > 2) {
		printf("Usage: %s [NTLMSSP|NTLMSSP_SPNEGO|SCHANNEL]\n", argv[0]);
		return NT_STATUS_OK;
	}

	if (argc == 2) {
		if (strequal(argv[1], "NTLMSSP")) {
			pipe_default_auth_type = PIPE_AUTH_TYPE_NTLMSSP;
		} else if (strequal(argv[1], "NTLMSSP_SPNEGO")) {
			pipe_default_auth_type = PIPE_AUTH_TYPE_SPNEGO_NTLMSSP;
		} else if (strequal(argv[1], "SCHANNEL")) {
			pipe_default_auth_type = PIPE_AUTH_TYPE_SCHANNEL;
		} else {
			printf("unknown type %s\n", argv[1]);
			return NT_STATUS_INVALID_LEVEL;
		}
	}

	printf("debuglevel is %d\n", DEBUGLEVEL);
	return cmd_set_ss_level();
}

static NTSTATUS cmd_seal(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
                         int argc, const char **argv)
{
	pipe_default_auth_level = PIPE_AUTH_LEVEL_PRIVACY;
	pipe_default_auth_type = PIPE_AUTH_TYPE_NTLMSSP;

	if (argc > 2) {
		printf("Usage: %s [NTLMSSP|NTLMSSP_SPNEGO|SCHANNEL]\n", argv[0]);
		return NT_STATUS_OK;
	}

	if (argc == 2) {
		if (strequal(argv[1], "NTLMSSP")) {
			pipe_default_auth_type = PIPE_AUTH_TYPE_NTLMSSP;
		} else if (strequal(argv[1], "NTLMSSP_SPNEGO")) {
			pipe_default_auth_type = PIPE_AUTH_TYPE_SPNEGO_NTLMSSP;
		} else if (strequal(argv[1], "SCHANNEL")) {
			pipe_default_auth_type = PIPE_AUTH_TYPE_SCHANNEL;
		} else {
			printf("unknown type %s\n", argv[1]);
			return NT_STATUS_INVALID_LEVEL;
		}
	}
	return cmd_set_ss_level();
}

static NTSTATUS cmd_none(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
                         int argc, const char **argv)
{
	pipe_default_auth_level = PIPE_AUTH_LEVEL_NONE;
	pipe_default_auth_type = PIPE_AUTH_TYPE_NONE;

	return cmd_set_ss_level();
}

static NTSTATUS cmd_schannel(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
			     int argc, const char **argv)
{
	d_printf("Setting schannel - sign and seal\n");
	pipe_default_auth_level = PIPE_AUTH_LEVEL_PRIVACY;
	pipe_default_auth_type = PIPE_AUTH_TYPE_SCHANNEL;

	return cmd_set_ss_level();
}

static NTSTATUS cmd_schannel_sign(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
			     int argc, const char **argv)
{
	d_printf("Setting schannel - sign only\n");
	pipe_default_auth_level = PIPE_AUTH_LEVEL_INTEGRITY;
	pipe_default_auth_type = PIPE_AUTH_TYPE_SCHANNEL;

	return cmd_set_ss_level();
}


/* Built in rpcclient commands */

static struct cmd_set rpcclient_commands[] = {