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/* expand-group.c - expand GPG group definitions
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
* 2008, 2009, 2010 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG 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 3 of the License, or
* (at your option) any later version.
*
* GnuPG 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, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "gpg.h"
#include "options.h"
#include "keydb.h"
int
expand_id (const char *id, strlist_t *into, unsigned int flags)
{
struct groupitem *groups;
int count=0;
for (groups = opt.grouplist; groups; groups=groups->next)
{
/* need strcasecmp() here, as this should be localized */
if (strcasecmp (groups->name,id) == 0)
{
strlist_t each,sl;
/* This maintains the current utf8-ness */
for (each = groups->values; each; each=each->next)
{
sl = add_to_strlist (into, each->d);
sl->flags = flags;
count++;
}
break;
}
}
return count;
}
/* For simplicity, and to avoid potential loops, we only expand once -
* you can't make an alias that points to an alias. If PREPEND_INPUT
* is true each item from INPUT is prepended to the new list; if it is
* false the original item from INPUT is only added if no group
* existed for it. */
strlist_t
expand_group (strlist_t input, int prepend_input)
{
strlist_t output = NULL;
strlist_t sl, rover;
for (rover = input; rover; rover = rover->next)
{
if ((rover->flags & PK_LIST_FROM_FILE))
continue;
if (!expand_id (rover->d, &output, rover->flags))
{
/* Didn't find any groups, so use the existing string unless
* we will anyway add it due to the prepend flag. */
if (!prepend_input)
{
sl = add_to_strlist (&output, rover->d);
sl->flags = rover->flags;
}
}
if (prepend_input)
{
sl = add_to_strlist (&output, rover->d);
sl->flags = rover->flags;
}
}
return output;
}
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