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https://github.com/samba-team/samba.git
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[merge] removing unused variable and unused file
(This used to be commit 099e844571975eecde7aea342c64d3f768110e03)
This commit is contained in:
Gerald Carter
parent
bc11f19051
commit
74d4198a9c
@ -1,237 +0,0 @@
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/*
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Unix SMB/CIFS implementation.
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Groupname handling
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Copyright (C) Jeremy Allison 1998.
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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 2 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, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef USING_GROUPNAME_MAP
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#include "includes.h"
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/**************************************************************************
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Groupname map functionality. The code loads a groupname map file and
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(currently) loads it into a linked list. This is slow and memory
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hungry, but can be changed into a more efficient storage format
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if the demands on it become excessive.
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***************************************************************************/
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typedef struct groupname_map {
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ubi_slNode next;
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char *windows_name;
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DOM_SID windows_sid;
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char *unix_name;
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gid_t unix_gid;
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} groupname_map_entry;
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static ubi_slList groupname_map_list;
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/**************************************************************************
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Delete all the entries in the groupname map list.
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***************************************************************************/
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static void delete_groupname_map_list(void)
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{
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groupname_map_entry *gmep;
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while((gmep = (groupname_map_entry *)ubi_slRemHead( &groupname_map_list )) != NULL) {
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SAFE_FREE(gmep->windows_name);
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SAFE_FREE(gmep->unix_name);
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SAFE_FREE(gmep);
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}
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}
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/**************************************************************************
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Load a groupname map file. Sets last accessed timestamp.
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***************************************************************************/
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void load_groupname_map(void)
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{
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static time_t groupmap_file_last_modified = (time_t)0;
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static BOOL initialized = False;
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char *groupname_map_file = lp_groupname_map();
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SMB_STRUCT_STAT st;
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char **lines;
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int i;
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groupname_map_entry *new_ep;
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if(!initialized) {
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ubi_slInitList( &groupname_map_list );
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initialized = True;
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}
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if (!*groupname_map_file)
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return;
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if(sys_stat(groupname_map_file, &st) != 0) {
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DEBUG(0, ("load_groupname_map: Unable to stat file %s. Error was %s\n",
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groupname_map_file, strerror(errno) ));
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return;
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}
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/*
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* Check if file has changed.
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*/
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if( st.st_mtime <= groupmap_file_last_modified)
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return;
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groupmap_file_last_modified = st.st_mtime;
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/*
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* Load the file.
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*/
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lines = file_lines_load(groupname_map_file,NULL,False);
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if (!lines) {
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DEBUG(0,("load_groupname_map: can't open groupname map %s. Error was %s\n",
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groupname_map_file, strerror(errno)));
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return;
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}
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file_lines_slashcont(lines);
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/*
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* Throw away any previous list.
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*/
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delete_groupname_map_list();
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DEBUG(4,("load_groupname_map: Scanning groupname map %s\n",groupname_map_file));
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for (i=0; lines[i]; i++) {
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pstring unixname;
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pstring windows_name;
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gid_t gid;
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DOM_SID tmp_sid;
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char *s = lines[i];
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DEBUG(10,("load_groupname_map: Read line |%s|\n", s));
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if (!*s || strchr_m("#;",*s))
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continue;
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if(!next_token(&s,unixname, "\t\n\r=", sizeof(unixname)))
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continue;
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if(!next_token(&s,windows_name, "\t\n\r=", sizeof(windows_name)))
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continue;
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trim_string(unixname, " ", " ");
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trim_string(windows_name, " ", " ");
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if (!*windows_name)
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continue;
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if(!*unixname)
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continue;
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DEBUG(5,("load_groupname_map: unixname = %s, windowsname = %s.\n",
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unixname, windows_name));
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/*
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* Attempt to get the unix gid_t for this name.
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*/
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if ((gid = nametogid(unixname)) == (gid_t)-1)
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DEBUG(0,("load_groupname_map: nametogid for group %s failed.\
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Error was %s.\n", unixname, strerror(errno) ));
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continue;
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}
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/*
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* Now map to an NT SID.
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*/
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if(!lookup_wellknown_sid_from_name(windows_name, &tmp_sid)) {
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/*
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* It's not a well known name, convert the UNIX gid_t
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* to a rid within this domain SID.
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*/
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sid_copy(&tmp_sid,get_global_sam_sid());
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tmp_sid.sub_auths[tmp_sid.num_auths++] =
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pdb_gid_to_group_rid(gid);
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}
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/*
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* Create the list entry and add it onto the list.
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*/
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if((new_ep = (groupname_map_entry *)malloc( sizeof(groupname_map_entry) ))== NULL) {
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DEBUG(0,("load_groupname_map: malloc fail for groupname_map_entry.\n"));
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fclose(fp);
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return;
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}
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new_ep->unix_gid = gid;
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new_ep->windows_sid = tmp_sid;
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new_ep->windows_name = strdup( windows_name );
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new_ep->unix_name = strdup( unixname );
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if(new_ep->windows_name == NULL || new_ep->unix_name == NULL) {
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DEBUG(0,("load_groupname_map: malloc fail for names in groupname_map_entry.\n"));
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fclose(fp);
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SAFE_FREE(new_ep->windows_name);
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SAFE_FREE(new_ep->unix_name);
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SAFE_FREE(new_ep);
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file_lines_free(lines);
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return;
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}
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memset((char *)&new_ep->next, '\0', sizeof(new_ep->next) );
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ubi_slAddHead( &groupname_map_list, (ubi_slNode *)new_ep);
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}
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DEBUG(10,("load_groupname_map: Added %ld entries to groupname map.\n",
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ubi_slCount(&groupname_map_list)));
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file_lines_free(lines);
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}
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/***********************************************************
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Lookup a SID entry by gid_t.
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************************************************************/
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void map_gid_to_sid( gid_t gid, DOM_SID *psid)
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{
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groupname_map_entry *gmep;
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/*
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* Initialize and load if not already loaded.
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*/
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load_groupname_map();
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for( gmep = (groupname_map_entry *)ubi_slFirst( &groupname_map_list);
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gmep; gmep = (groupname_map_entry *)ubi_slNext( gmep )) {
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if( gmep->unix_gid == gid) {
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*psid = gmep->windows_sid;
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DEBUG(7,("map_gid_to_sid: Mapping unix group %s to windows group %s.\n",
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gmep->unix_name, gmep->windows_name ));
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return;
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}
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}
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/*
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* If there's no map, convert the UNIX gid_t
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* to a rid within this domain SID.
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*/
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sid_copy(psid,get_global_sam_sid());
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psid->sub_auths[psid->num_auths++] = pdb_gid_to_group_rid(gid);
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return;
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}
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#else /* USING_GROUPNAME_MAP */
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void load_groupname_map(void) {;}
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#endif /* USING_GROUPNAME_MAP */
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