diff options
Diffstat (limited to 'source4/nmbd/nmbd_synclists.c')
-rw-r--r-- | source4/nmbd/nmbd_synclists.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/source4/nmbd/nmbd_synclists.c b/source4/nmbd/nmbd_synclists.c deleted file mode 100644 index b9952fb446..0000000000 --- a/source4/nmbd/nmbd_synclists.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - Unix SMB/CIFS implementation. - NBT netbios routines and daemon - version 2 - Copyright (C) Andrew Tridgell 1994-1998 - Copyright (C) Luke Kenneth Casson Leighton 1994-1998 - Copyright (C) Jeremy Allison 1994-1998 - - 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. - -*/ - -/* this file handles asynchronous browse synchronisation requests. The - requests are done by forking and putting the result in a file in the - locks directory. We do it this way because we don't want nmbd to be - blocked waiting for some server to respond on a TCP connection. This - also allows us to have more than 1 sync going at once (tridge) */ - -#include "includes.h" - -struct sync_record { - struct sync_record *next, *prev; - fstring workgroup; - fstring server; - pstring fname; - struct in_addr ip; - pid_t pid; -}; - -/* a linked list of current sync connections */ -static struct sync_record *syncs; - -static XFILE *fp; - -/******************************************************************* - This is the NetServerEnum callback. - Note sname and comment are in UNIX codepage format. - ******************************************************************/ -static void callback(const char *sname, uint32 stype, - const char *comment, void *state) -{ - x_fprintf(fp,"\"%s\" %08X \"%s\"\n", sname, stype, comment); -} - -/******************************************************************* - Synchronise browse lists with another browse server. - Log in on the remote server's SMB port to their IPC$ service, - do a NetServerEnum and record the results in fname -******************************************************************/ -static void sync_child(char *name, int nm_type, - char *workgroup, - struct in_addr ip, BOOL local, BOOL servers, - char *fname) -{ - extern fstring local_machine; - fstring unix_workgroup; - static struct cli_state cli; - uint32 local_type = local ? SV_TYPE_LOCAL_LIST_ONLY : 0; - struct nmb_name called, calling; - - /* W2K DMB's return empty browse lists on port 445. Use 139. - * Patch from Andy Levine andyl@epicrealm.com. - */ - - if (!cli_initialise(&cli) || !cli_set_port(&cli, 139) || !cli_connect(&cli, name, &ip)) { - return; - } - - make_nmb_name(&calling, local_machine, 0x0); - make_nmb_name(&called , name , nm_type); - - if (!cli_session_request(&cli, &calling, &called)) - { - cli_shutdown(&cli); - return; - } - - if (!cli_negprot(&cli)) { - cli_shutdown(&cli); - return; - } - - if (!cli_session_setup(&cli, "", "", 1, "", 0, workgroup)) { - cli_shutdown(&cli); - return; - } - - if (!cli_send_tconX(&cli, "IPC$", "IPC", "", 1)) { - cli_shutdown(&cli); - return; - } - - /* All the cli_XX functions take UNIX character set. */ - fstrcpy(unix_workgroup, cli.server_domain?cli.server_domain:workgroup); - - /* Fetch a workgroup list. */ - cli_NetServerEnum(&cli, unix_workgroup, - local_type|SV_TYPE_DOMAIN_ENUM, - callback, NULL); - - /* Now fetch a server list. */ - if (servers) { - fstrcpy(unix_workgroup, workgroup); - cli_NetServerEnum(&cli, unix_workgroup, - local?SV_TYPE_LOCAL_LIST_ONLY:SV_TYPE_ALL, - callback, NULL); - } - - cli_shutdown(&cli); -} - - -/******************************************************************* - initialise a browse sync with another browse server. Log in on the - remote server's SMB port to their IPC$ service, do a NetServerEnum - and record the results -******************************************************************/ -void sync_browse_lists(struct work_record *work, - char *name, int nm_type, - struct in_addr ip, BOOL local, BOOL servers) -{ - struct sync_record *s; - static int counter; - - START_PROFILE(sync_browse_lists); - /* Check we're not trying to sync with ourselves. This can - happen if we are a domain *and* a local master browser. */ - if (ismyip(ip)) { -done: - END_PROFILE(sync_browse_lists); - return; - } - - s = (struct sync_record *)malloc(sizeof(*s)); - if (!s) goto done; - - ZERO_STRUCTP(s); - - fstrcpy(s->workgroup, work->work_group); - fstrcpy(s->server, name); - s->ip = ip; - - slprintf(s->fname, sizeof(pstring)-1, - "%s/sync.%d", lp_lockdir(), counter++); - all_string_sub(s->fname,"//", "/", 0); - - DLIST_ADD(syncs, s); - - /* the parent forks and returns, leaving the child to do the - actual sync and call END_PROFILE*/ - CatchChild(); - if ((s->pid = sys_fork())) return; - - BlockSignals( False, SIGTERM ); - - DEBUG(2,("Initiating browse sync for %s to %s(%s)\n", - work->work_group, name, inet_ntoa(ip))); - - fp = x_fopen(s->fname,O_WRONLY|O_CREAT|O_TRUNC, 0644); - if (!fp) { - END_PROFILE(sync_browse_lists); - _exit(1); - } - - sync_child(name, nm_type, work->work_group, ip, local, servers, - s->fname); - - x_fclose(fp); - END_PROFILE(sync_browse_lists); - _exit(0); -} - -/********************************************************************** -handle one line from a completed sync file - **********************************************************************/ -static void complete_one(struct sync_record *s, - char *sname, uint32 stype, char *comment) -{ - struct work_record *work; - struct server_record *servrec; - - stype &= ~SV_TYPE_LOCAL_LIST_ONLY; - - if (stype & SV_TYPE_DOMAIN_ENUM) { - /* See if we can find the workgroup on this subnet. */ - if((work=find_workgroup_on_subnet(unicast_subnet, sname))) { - /* We already know about this workgroup - - update the ttl. */ - update_workgroup_ttl(work,lp_max_ttl()); - } else { - /* Create the workgroup on the subnet. */ - work = create_workgroup_on_subnet(unicast_subnet, - sname, lp_max_ttl()); - if (work) { - /* remember who the master is */ - fstrcpy(work->local_master_browser_name, - comment); - } - } - return; - } - - work = find_workgroup_on_subnet(unicast_subnet, s->workgroup); - if (!work) { - DEBUG(3,("workgroup %s doesn't exist on unicast subnet?\n", - s->workgroup)); - return; - } - - if ((servrec = find_server_in_workgroup( work, sname))) { - /* Check that this is not a locally known - server - if so ignore the entry. */ - if(!(servrec->serv.type & SV_TYPE_LOCAL_LIST_ONLY)) { - /* We already know about this server - update - the ttl. */ - update_server_ttl(servrec, lp_max_ttl()); - /* Update the type. */ - servrec->serv.type = stype; - } - return; - } - - /* Create the server in the workgroup. */ - create_server_on_workgroup(work, sname,stype, lp_max_ttl(), comment); -} - - -/********************************************************************** -read the completed sync info - **********************************************************************/ -static void complete_sync(struct sync_record *s) -{ - XFILE *f; - fstring server, type_str; - unsigned type; - pstring comment; - pstring line; - const char *ptr; - int count=0; - - f = x_fopen(s->fname,O_RDONLY, 0); - - if (!f) return; - - while (!x_feof(f)) { - - if (!fgets_slash(line,sizeof(pstring),f)) continue; - - ptr = line; - - if (!next_token(&ptr,server,NULL,sizeof(server)) || - !next_token(&ptr,type_str,NULL, sizeof(type_str)) || - !next_token(&ptr,comment,NULL, sizeof(comment))) { - continue; - } - - sscanf(type_str, "%X", &type); - - complete_one(s, server, type, comment); - - count++; - } - - x_fclose(f); - - unlink(s->fname); - - DEBUG(2,("sync with %s(%s) for workgroup %s completed (%d records)\n", - s->server, inet_ntoa(s->ip), s->workgroup, count)); -} - -/********************************************************************** -check for completion of any of the child processes - **********************************************************************/ -void sync_check_completion(void) -{ - struct sync_record *s, *next; - - for (s=syncs;s;s=next) { - next = s->next; - if (!process_exists(s->pid)) { - /* it has completed - grab the info */ - complete_sync(s); - DLIST_REMOVE(syncs, s); - ZERO_STRUCTP(s); - SAFE_FREE(s); - } - } -} |