utils/smbtree.c

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/* 
   Unix SMB/CIFS implementation.
   Network neighbourhood browser.
   
   Copyright (C) Tim Potter      2000
   Copyright (C) Jelmer Vernooij 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"

static BOOL use_bcast;

/* How low can we go? */

enum tree_level {LEV_WORKGROUP, LEV_SERVER, LEV_SHARE};
static enum tree_level level = LEV_SHARE;

/* Holds a list of workgroups or servers */

struct name_list {
        struct name_list *prev, *next;
        pstring name, comment;
        uint32 server_type;
};

static struct name_list *workgroups, *servers, *shares;

static void free_name_list(struct name_list *list)
{
        while(list)
                DLIST_REMOVE(list, list);
}

static void add_name(const char *machine_name, uint32 server_type,
                     const char *comment, void *state)
{
        struct name_list **name_list = (struct name_list **)state;
        struct name_list *new_name;

        new_name = SMB_MALLOC_P(struct name_list);

        if (!new_name)
                return;

        ZERO_STRUCTP(new_name);

        pstrcpy(new_name->name, machine_name);
        pstrcpy(new_name->comment, comment);
        new_name->server_type = server_type;

        DLIST_ADD(*name_list, new_name);
}

/****************************************************************************
  display tree of smb workgroups, servers and shares
****************************************************************************/
static BOOL get_workgroups(struct user_auth_info *user_info)
{
        struct cli_state *cli;
        struct in_addr server_ip;
        pstring master_workgroup;

        /* Try to connect to a #1d name of our current workgroup.  If that
           doesn't work broadcast for a master browser and then jump off
           that workgroup. */

        pstrcpy(master_workgroup, lp_workgroup());

        if (!use_bcast && !find_master_ip(lp_workgroup(), &server_ip)) {
                DEBUG(4, ("Unable to find master browser for workgroup %s, falling back to broadcast\n", 
                          master_workgroup));
                                use_bcast = True;
                } else if(!use_bcast) {
                if (!(cli = get_ipc_connect(inet_ntoa(server_ip), &server_ip, user_info)))
                                return False;
                }
                
                if (!(cli = get_ipc_connect_master_ip_bcast(master_workgroup, user_info))) {
                        DEBUG(4, ("Unable to find master browser by "
                                  "broadcast\n"));
                        return False;
        }

        if (!cli_NetServerEnum(cli, master_workgroup, 
                               SV_TYPE_DOMAIN_ENUM, add_name, &workgroups))
                return False;

        return True;
}

/* Retrieve the list of servers for a given workgroup */

static BOOL get_servers(char *workgroup, struct user_auth_info *user_info)
{
        struct cli_state *cli;
        struct in_addr server_ip;

        /* Open an IPC$ connection to the master browser for the workgroup */

        if (!find_master_ip(workgroup, &server_ip)) {
                DEBUG(4, ("Cannot find master browser for workgroup %s\n",
                          workgroup));
                return False;
        }

        if (!(cli = get_ipc_connect(inet_ntoa(server_ip), &server_ip, user_info)))
                return False;

        if (!cli_NetServerEnum(cli, workgroup, SV_TYPE_ALL, add_name, 
                               &servers))
                return False;

        return True;
}

static BOOL get_rpc_shares(struct cli_state *cli, 
                           void (*fn)(const char *, uint32, const char *, void *),
                           void *state)
{
        NTSTATUS status;
        struct rpc_pipe_client *pipe_hnd;
        TALLOC_CTX *mem_ctx;
        ENUM_HND enum_hnd;
        WERROR werr;
        SRV_SHARE_INFO_CTR ctr;
        int i;

        mem_ctx = talloc_new(NULL);
        if (mem_ctx == NULL) {
                DEBUG(0, ("talloc_new failed\n"));
                return False;
        }

        init_enum_hnd(&enum_hnd, 0);

        pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SRVSVC, &status);

        if (pipe_hnd == NULL) {
                DEBUG(10, ("Could not connect to srvsvc pipe: %s\n",
                           nt_errstr(status)));
                TALLOC_FREE(mem_ctx);
                return False;
        }

        werr = rpccli_srvsvc_net_share_enum(pipe_hnd, mem_ctx, 1, &ctr,
                                            0xffffffff, &enum_hnd);

        if (!W_ERROR_IS_OK(werr)) {
                TALLOC_FREE(mem_ctx);
                cli_rpc_pipe_close(pipe_hnd);
                return False;
        }

        for (i=0; i<ctr.num_entries; i++) {
                SRV_SHARE_INFO_1 *info = &ctr.share.info1[i];
                char *name, *comment;
                name = rpcstr_pull_unistr2_talloc(
                        mem_ctx, &info->info_1_str.uni_netname);
                comment = rpcstr_pull_unistr2_talloc(
                        mem_ctx, &info->info_1_str.uni_remark);
                fn(name, info->info_1.type, comment, state);
        }

        TALLOC_FREE(mem_ctx);
        cli_rpc_pipe_close(pipe_hnd);
        return True;
}


static BOOL get_shares(char *server_name, struct user_auth_info *user_info)
{
        struct cli_state *cli;

        if (!(cli = get_ipc_connect(server_name, NULL, user_info)))
                return False;

        if (get_rpc_shares(cli, add_name, &shares))
                return True;
        
        if (!cli_RNetShareEnum(cli, add_name, &shares))
                return False;

        return True;
}

static BOOL print_tree(struct user_auth_info *user_info)
{
        struct name_list *wg, *sv, *sh;

        /* List workgroups */

        if (!get_workgroups(user_info))
                return False;

        for (wg = workgroups; wg; wg = wg->next) {

                printf("%s\n", wg->name);

                /* List servers */

                free_name_list(servers);
                servers = NULL;

                if (level == LEV_WORKGROUP || 
                    !get_servers(wg->name, user_info))
                        continue;

                for (sv = servers; sv; sv = sv->next) {

                        printf("\t\\\\%-15s\t\t%s\n", 
                               sv->name, sv->comment);

                        /* List shares */

                        free_name_list(shares);
                        shares = NULL;

                        if (level == LEV_SERVER ||
                            !get_shares(sv->name, user_info))
                                continue;

                        for (sh = shares; sh; sh = sh->next) {
                                printf("\t\t\\\\%s\\%-15s\t%s\n", 
                                       sv->name, sh->name, sh->comment);
                        }
                }
        }

        return True;
}

/****************************************************************************
  main program
****************************************************************************/
 int main(int argc,char *argv[])
{
        struct poptOption long_options[] = {
                POPT_AUTOHELP
                { "broadcast", 'b', POPT_ARG_VAL, &use_bcast, True, "Use broadcast instead of using the master browser" },
                { "domains", 'D', POPT_ARG_VAL, &level, LEV_WORKGROUP, "List only domains (workgroups) of tree" },
                { "servers", 'S', POPT_ARG_VAL, &level, LEV_SERVER, "List domains(workgroups) and servers of tree" },
                POPT_COMMON_SAMBA
                POPT_COMMON_CREDENTIALS
                POPT_TABLEEND
        };
        poptContext pc;
        
        /* Initialise samba stuff */
        load_case_tables();

        setlinebuf(stdout);

        dbf = x_stderr;

        setup_logging(argv[0],True);

        pc = poptGetContext("smbtree", argc, (const char **)argv, long_options, 
                                                POPT_CONTEXT_KEEP_FIRST);
        while(poptGetNextOpt(pc) != -1);
        poptFreeContext(pc);

        lp_load(dyn_CONFIGFILE,True,False,False,True);
        load_interfaces();

        /* Parse command line args */

        if (!cmdline_auth_info.got_pass) {
                char *pass = getpass("Password: ");
                if (pass) {
                        pstrcpy(cmdline_auth_info.password, pass);
                }
        cmdline_auth_info.got_pass = True;
        }

        /* Now do our stuff */

        if (!print_tree(&cmdline_auth_info))
                return 1;

        return 0;
}

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