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/* wks-utils.c - Common helper fucntions for wks tools
* Copyright (C) 2016 g10 Code GmbH
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "util.h"
#include "mime-maker.h"
#include "send-mail.h"
#include "gpg-wks.h"
/* Helper to write mail to the output(s). */
gpg_error_t
wks_send_mime (mime_maker_t mime)
{
gpg_error_t err;
estream_t mail;
/* Without any option we take a short path. */
if (!opt.use_sendmail && !opt.output)
return mime_maker_make (mime, es_stdout);
mail = es_fopenmem (0, "w+b");
if (!mail)
{
err = gpg_error_from_syserror ();
return err;
}
err = mime_maker_make (mime, mail);
if (!err && opt.output)
{
es_rewind (mail);
err = send_mail_to_file (mail, opt.output);
}
if (!err && opt.use_sendmail)
{
es_rewind (mail);
err = send_mail (mail);
}
es_fclose (mail);
return err;
}
/* Parse the policy flags by reading them from STREAM and storing them
* into FLAGS. If IGNORE_UNKNOWN is iset unknown keywords are
* ignored. */
gpg_error_t
wks_parse_policy (policy_flags_t flags, estream_t stream, int ignore_unknown)
{
enum tokens {
TOK_MAILBOX_ONLY,
TOK_DANE_ONLY,
TOK_AUTH_SUBMIT,
TOK_MAX_PENDING
};
static struct {
const char *name;
enum tokens token;
} keywords[] = {
{ "mailbox-only", TOK_MAILBOX_ONLY },
{ "dane-only", TOK_DANE_ONLY },
{ "auth-submit", TOK_AUTH_SUBMIT },
{ "max-pending", TOK_MAX_PENDING }
};
gpg_error_t err = 0;
int lnr = 0;
char line[1024];
char *p, *keyword, *value;
int i, n;
memset (flags, 0, sizeof *flags);
while (es_fgets (line, DIM(line)-1, stream) )
{
lnr++;
n = strlen (line);
if (!n || line[n-1] != '\n')
{
err = gpg_error (*line? GPG_ERR_LINE_TOO_LONG
: GPG_ERR_INCOMPLETE_LINE);
break;
}
trim_trailing_spaces (line);
/* Skip empty and comment lines. */
for (p=line; spacep (p); p++)
;
if (!*p || *p == '#')
continue;
if (*p == ':')
{
err = gpg_error (GPG_ERR_SYNTAX);
break;
}
keyword = p;
value = NULL;
if ((p = strchr (p, ':')))
{
/* Colon found: Keyword with value. */
*p++ = 0;
for (; spacep (p); p++)
;
if (!*p)
{
err = gpg_error (GPG_ERR_MISSING_VALUE);
break;
}
value = p;
}
for (i=0; i < DIM (keywords); i++)
if (!ascii_strcasecmp (keywords[i].name, keyword))
break;
if (!(i < DIM (keywords)))
{
if (ignore_unknown)
continue;
err = gpg_error (GPG_ERR_INV_NAME);
break;
}
switch (keywords[i].token)
{
case TOK_MAILBOX_ONLY: flags->mailbox_only = 1; break;
case TOK_DANE_ONLY: flags->dane_only = 1; break;
case TOK_AUTH_SUBMIT: flags->auth_submit = 1; break;
case TOK_MAX_PENDING:
if (!value)
{
err = gpg_error (GPG_ERR_SYNTAX);
goto leave;
}
/* FIXME: Define whether these are seconds, hours, or days
* and decide whether to allow other units. */
flags->max_pending = atoi (value);
break;
}
}
if (!err && !es_feof (stream))
err = gpg_error_from_syserror ();
leave:
if (err)
log_error ("error reading '%s', line %d: %s\n",
es_fname_get (stream), lnr, gpg_strerror (err));
return err;
}
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