| 1 | /* | 
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| 2 | Unix SMB/CIFS implementation. | 
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| 3 | Network neighbourhood browser. | 
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| 4 |  | 
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| 5 | Copyright (C) Tim Potter      2000 | 
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| 6 | Copyright (C) Jelmer Vernooij 2003 | 
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| 7 |  | 
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| 8 | This program is free software; you can redistribute it and/or modify | 
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| 9 | it under the terms of the GNU General Public License as published by | 
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| 10 | the Free Software Foundation; either version 3 of the License, or | 
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| 11 | (at your option) any later version. | 
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| 12 |  | 
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| 13 | This program is distributed in the hope that it will be useful, | 
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| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
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| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
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| 16 | GNU General Public License for more details. | 
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| 17 |  | 
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| 18 | You should have received a copy of the GNU General Public License | 
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| 19 | along with this program.  If not, see <http://www.gnu.org/licenses/>. | 
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| 20 | */ | 
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| 21 |  | 
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| 22 | #include "includes.h" | 
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| 23 | #include "popt_common.h" | 
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| 24 | #include "rpc_client/cli_pipe.h" | 
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| 25 | #include "../librpc/gen_ndr/ndr_srvsvc_c.h" | 
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| 26 | #include "libsmb/libsmb.h" | 
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| 27 | #include "libsmb/clirap.h" | 
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| 28 |  | 
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| 29 | static int use_bcast; | 
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| 30 |  | 
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| 31 | /* How low can we go? */ | 
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| 32 |  | 
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| 33 | enum tree_level {LEV_WORKGROUP, LEV_SERVER, LEV_SHARE}; | 
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| 34 | static enum tree_level level = LEV_SHARE; | 
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| 35 |  | 
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| 36 | /* Holds a list of workgroups or servers */ | 
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| 37 |  | 
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| 38 | struct smb_name_list { | 
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| 39 | struct smb_name_list *prev, *next; | 
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| 40 | char *name, *comment; | 
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| 41 | uint32 server_type; | 
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| 42 | }; | 
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| 43 |  | 
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| 44 | static struct smb_name_list *workgroups, *servers, *shares; | 
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| 45 |  | 
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| 46 | static void free_name_list(struct smb_name_list *list) | 
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| 47 | { | 
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| 48 | while(list) | 
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| 49 | DLIST_REMOVE(list, list); | 
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| 50 | } | 
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| 51 |  | 
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| 52 | static void add_name(const char *machine_name, uint32 server_type, | 
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| 53 | const char *comment, void *state) | 
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| 54 | { | 
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| 55 | struct smb_name_list **name_list = (struct smb_name_list **)state; | 
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| 56 | struct smb_name_list *new_name; | 
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| 57 |  | 
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| 58 | new_name = SMB_MALLOC_P(struct smb_name_list); | 
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| 59 |  | 
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| 60 | if (!new_name) | 
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| 61 | return; | 
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| 62 |  | 
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| 63 | ZERO_STRUCTP(new_name); | 
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| 64 |  | 
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| 65 | new_name->name = SMB_STRDUP(machine_name); | 
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| 66 | new_name->comment = SMB_STRDUP(comment); | 
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| 67 | new_name->server_type = server_type; | 
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| 68 |  | 
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| 69 | if (!new_name->name || !new_name->comment) { | 
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| 70 | SAFE_FREE(new_name->name); | 
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| 71 | SAFE_FREE(new_name->comment); | 
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| 72 | SAFE_FREE(new_name); | 
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| 73 | return; | 
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| 74 | } | 
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| 75 |  | 
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| 76 | DLIST_ADD(*name_list, new_name); | 
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| 77 | } | 
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| 78 |  | 
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| 79 | /**************************************************************************** | 
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| 80 | display tree of smb workgroups, servers and shares | 
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| 81 | ****************************************************************************/ | 
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| 82 | static bool get_workgroups(struct user_auth_info *user_info) | 
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| 83 | { | 
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| 84 | struct cli_state *cli; | 
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| 85 | struct sockaddr_storage server_ss; | 
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| 86 | TALLOC_CTX *ctx = talloc_tos(); | 
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| 87 | char *master_workgroup = NULL; | 
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| 88 |  | 
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| 89 | /* Try to connect to a #1d name of our current workgroup.  If that | 
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| 90 | doesn't work broadcast for a master browser and then jump off | 
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| 91 | that workgroup. */ | 
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| 92 |  | 
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| 93 | master_workgroup = talloc_strdup(ctx, lp_workgroup()); | 
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| 94 | if (!master_workgroup) { | 
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| 95 | return false; | 
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| 96 | } | 
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| 97 |  | 
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| 98 | if (!use_bcast && !find_master_ip(lp_workgroup(), &server_ss)) { | 
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| 99 | DEBUG(4, ("Unable to find master browser for workgroup %s, falling back to broadcast\n", | 
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| 100 | master_workgroup)); | 
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| 101 | use_bcast = True; | 
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| 102 | } else if(!use_bcast) { | 
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| 103 | char addr[INET6_ADDRSTRLEN]; | 
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| 104 | print_sockaddr(addr, sizeof(addr), &server_ss); | 
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| 105 | if (!(cli = get_ipc_connect(addr, &server_ss, user_info))) | 
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| 106 | return False; | 
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| 107 | } | 
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| 108 |  | 
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| 109 | if (!(cli = get_ipc_connect_master_ip_bcast(talloc_tos(), | 
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| 110 | user_info, | 
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| 111 | &master_workgroup))) { | 
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| 112 | DEBUG(4, ("Unable to find master browser by " | 
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| 113 | "broadcast\n")); | 
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| 114 | return False; | 
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| 115 | } | 
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| 116 |  | 
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| 117 | if (!cli_NetServerEnum(cli, master_workgroup, | 
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| 118 | SV_TYPE_DOMAIN_ENUM, add_name, &workgroups)) | 
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| 119 | return False; | 
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| 120 |  | 
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| 121 | return True; | 
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| 122 | } | 
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| 123 |  | 
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| 124 | /* Retrieve the list of servers for a given workgroup */ | 
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| 125 |  | 
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| 126 | static bool get_servers(char *workgroup, struct user_auth_info *user_info) | 
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| 127 | { | 
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| 128 | struct cli_state *cli; | 
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| 129 | struct sockaddr_storage server_ss; | 
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| 130 | char addr[INET6_ADDRSTRLEN]; | 
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| 131 |  | 
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| 132 | /* Open an IPC$ connection to the master browser for the workgroup */ | 
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| 133 |  | 
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| 134 | if (!find_master_ip(workgroup, &server_ss)) { | 
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| 135 | DEBUG(4, ("Cannot find master browser for workgroup %s\n", | 
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| 136 | workgroup)); | 
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| 137 | return False; | 
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| 138 | } | 
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| 139 |  | 
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| 140 | print_sockaddr(addr, sizeof(addr), &server_ss); | 
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| 141 | if (!(cli = get_ipc_connect(addr, &server_ss, user_info))) | 
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| 142 | return False; | 
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| 143 |  | 
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| 144 | if (!cli_NetServerEnum(cli, workgroup, SV_TYPE_ALL, add_name, | 
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| 145 | &servers)) | 
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| 146 | return False; | 
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| 147 |  | 
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| 148 | return True; | 
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| 149 | } | 
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| 150 |  | 
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| 151 | static bool get_rpc_shares(struct cli_state *cli, | 
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| 152 | void (*fn)(const char *, uint32, const char *, void *), | 
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| 153 | void *state) | 
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| 154 | { | 
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| 155 | NTSTATUS status; | 
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| 156 | struct rpc_pipe_client *pipe_hnd = NULL; | 
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| 157 | TALLOC_CTX *mem_ctx; | 
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| 158 | WERROR werr; | 
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| 159 | struct srvsvc_NetShareInfoCtr info_ctr; | 
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| 160 | struct srvsvc_NetShareCtr1 ctr1; | 
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| 161 | int i; | 
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| 162 | uint32_t resume_handle = 0; | 
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| 163 | uint32_t total_entries = 0; | 
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| 164 | struct dcerpc_binding_handle *b; | 
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| 165 |  | 
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| 166 | mem_ctx = talloc_new(NULL); | 
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| 167 | if (mem_ctx == NULL) { | 
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| 168 | DEBUG(0, ("talloc_new failed\n")); | 
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| 169 | return False; | 
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| 170 | } | 
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| 171 |  | 
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| 172 | status = cli_rpc_pipe_open_noauth(cli, &ndr_table_srvsvc.syntax_id, | 
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| 173 | &pipe_hnd); | 
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| 174 |  | 
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| 175 | if (!NT_STATUS_IS_OK(status)) { | 
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| 176 | DEBUG(10, ("Could not connect to srvsvc pipe: %s\n", | 
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| 177 | nt_errstr(status))); | 
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| 178 | TALLOC_FREE(mem_ctx); | 
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| 179 | return False; | 
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| 180 | } | 
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| 181 |  | 
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| 182 | b = pipe_hnd->binding_handle; | 
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| 183 |  | 
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| 184 | ZERO_STRUCT(info_ctr); | 
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| 185 | ZERO_STRUCT(ctr1); | 
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| 186 |  | 
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| 187 | info_ctr.level = 1; | 
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| 188 | info_ctr.ctr.ctr1 = &ctr1; | 
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| 189 |  | 
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| 190 | status = dcerpc_srvsvc_NetShareEnumAll(b, mem_ctx, | 
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| 191 | pipe_hnd->desthost, | 
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| 192 | &info_ctr, | 
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| 193 | 0xffffffff, | 
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| 194 | &total_entries, | 
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| 195 | &resume_handle, | 
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| 196 | &werr); | 
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| 197 |  | 
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| 198 | if (!NT_STATUS_IS_OK(status) || !W_ERROR_IS_OK(werr)) { | 
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| 199 | TALLOC_FREE(mem_ctx); | 
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| 200 | TALLOC_FREE(pipe_hnd); | 
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| 201 | return False; | 
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| 202 | } | 
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| 203 |  | 
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| 204 | for (i=0; i<total_entries; i++) { | 
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| 205 | struct srvsvc_NetShareInfo1 info = info_ctr.ctr.ctr1->array[i]; | 
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| 206 | fn(info.name, info.type, info.comment, state); | 
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| 207 | } | 
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| 208 |  | 
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| 209 | TALLOC_FREE(mem_ctx); | 
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| 210 | TALLOC_FREE(pipe_hnd); | 
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| 211 | return True; | 
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| 212 | } | 
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| 213 |  | 
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| 214 |  | 
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| 215 | static bool get_shares(char *server_name, struct user_auth_info *user_info) | 
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| 216 | { | 
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| 217 | struct cli_state *cli; | 
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| 218 |  | 
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| 219 | if (!(cli = get_ipc_connect(server_name, NULL, user_info))) | 
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| 220 | return False; | 
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| 221 |  | 
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| 222 | if (get_rpc_shares(cli, add_name, &shares)) | 
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| 223 | return True; | 
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| 224 |  | 
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| 225 | if (!cli_RNetShareEnum(cli, add_name, &shares)) | 
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| 226 | return False; | 
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| 227 |  | 
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| 228 | return True; | 
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| 229 | } | 
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| 230 |  | 
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| 231 | static bool print_tree(struct user_auth_info *user_info) | 
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| 232 | { | 
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| 233 | struct smb_name_list *wg, *sv, *sh; | 
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| 234 |  | 
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| 235 | /* List workgroups */ | 
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| 236 |  | 
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| 237 | if (!get_workgroups(user_info)) | 
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| 238 | return False; | 
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| 239 |  | 
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| 240 | for (wg = workgroups; wg; wg = wg->next) { | 
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| 241 |  | 
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| 242 | printf("%s\n", wg->name); | 
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| 243 |  | 
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| 244 | /* List servers */ | 
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| 245 |  | 
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| 246 | free_name_list(servers); | 
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| 247 | servers = NULL; | 
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| 248 |  | 
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| 249 | if (level == LEV_WORKGROUP || | 
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| 250 | !get_servers(wg->name, user_info)) | 
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| 251 | continue; | 
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| 252 |  | 
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| 253 | for (sv = servers; sv; sv = sv->next) { | 
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| 254 |  | 
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| 255 | printf("\t\\\\%-15s\t\t%s\n", | 
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| 256 | sv->name, sv->comment); | 
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| 257 |  | 
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| 258 | /* List shares */ | 
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| 259 |  | 
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| 260 | free_name_list(shares); | 
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| 261 | shares = NULL; | 
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| 262 |  | 
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| 263 | if (level == LEV_SERVER || | 
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| 264 | !get_shares(sv->name, user_info)) | 
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| 265 | continue; | 
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| 266 |  | 
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| 267 | for (sh = shares; sh; sh = sh->next) { | 
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| 268 | printf("\t\t\\\\%s\\%-15s\t%s\n", | 
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| 269 | sv->name, sh->name, sh->comment); | 
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| 270 | } | 
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| 271 | } | 
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| 272 | } | 
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| 273 |  | 
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| 274 | return True; | 
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| 275 | } | 
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| 276 |  | 
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| 277 | /**************************************************************************** | 
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| 278 | main program | 
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| 279 | ****************************************************************************/ | 
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| 280 | int main(int argc,char *argv[]) | 
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| 281 | { | 
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| 282 | TALLOC_CTX *frame = talloc_stackframe(); | 
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| 283 | struct user_auth_info *auth_info; | 
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| 284 | struct poptOption long_options[] = { | 
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| 285 | POPT_AUTOHELP | 
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| 286 | { "broadcast", 'b', POPT_ARG_VAL, &use_bcast, True, "Use broadcast instead of using the master browser" }, | 
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| 287 | { "domains", 'D', POPT_ARG_VAL, &level, LEV_WORKGROUP, "List only domains (workgroups) of tree" }, | 
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| 288 | { "servers", 'S', POPT_ARG_VAL, &level, LEV_SERVER, "List domains(workgroups) and servers of tree" }, | 
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| 289 | POPT_COMMON_SAMBA | 
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| 290 | POPT_COMMON_CREDENTIALS | 
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| 291 | POPT_TABLEEND | 
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| 292 | }; | 
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| 293 | poptContext pc; | 
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| 294 |  | 
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| 295 | /* Initialise samba stuff */ | 
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| 296 | load_case_tables(); | 
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| 297 |  | 
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| 298 | setlinebuf(stdout); | 
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| 299 |  | 
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| 300 | setup_logging(argv[0], DEBUG_STDERR); | 
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| 301 |  | 
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| 302 | auth_info = user_auth_info_init(frame); | 
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| 303 | if (auth_info == NULL) { | 
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| 304 | exit(1); | 
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| 305 | } | 
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| 306 | popt_common_set_auth_info(auth_info); | 
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| 307 |  | 
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| 308 | pc = poptGetContext("smbtree", argc, (const char **)argv, long_options, | 
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| 309 | POPT_CONTEXT_KEEP_FIRST); | 
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| 310 | while(poptGetNextOpt(pc) != -1); | 
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| 311 | poptFreeContext(pc); | 
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| 312 |  | 
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| 313 | lp_load(get_dyn_CONFIGFILE(),True,False,False,True); | 
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| 314 | load_interfaces(); | 
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| 315 |  | 
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| 316 | /* Parse command line args */ | 
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| 317 |  | 
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| 318 | if (get_cmdline_auth_info_use_machine_account(auth_info) && | 
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| 319 | !set_cmdline_auth_info_machine_account_creds(auth_info)) { | 
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| 320 | TALLOC_FREE(frame); | 
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| 321 | return 1; | 
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| 322 | } | 
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| 323 |  | 
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| 324 | set_cmdline_auth_info_getpass(auth_info); | 
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| 325 |  | 
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| 326 | /* Now do our stuff */ | 
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| 327 |  | 
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| 328 | if (!print_tree(auth_info)) { | 
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| 329 | TALLOC_FREE(frame); | 
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| 330 | return 1; | 
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| 331 | } | 
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| 332 |  | 
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| 333 | TALLOC_FREE(frame); | 
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| 334 | return 0; | 
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| 335 | } | 
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