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wks: Add framework for policy flags.

Browse source 
* tools/call-dirmngr.c (wkd_get_policy_flags): New.
* tools/gpg-wks.h (struct policy_flags_s, policy_flags_t): New.
* tools/wks-util.c (wks_parse_policy): New.
* tools/gpg-wks-client.c (command_send): Get the policy flags to show
a new info line.
* tools/gpg-wks-server.c (get_policy_flags): New.
(process_new_key): get policy flag and add a stub for "auth-submit".
(command_list_domains): Check policy flags.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-09-02 16:54:42 +02:00
parent 505ee45106
commit 46362cbc0e
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
6 changed files with 310 additions and 11 deletions
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108
tools/wks-util.c
View file

@ -63,3 +63,111 @@ wks_send_mime (mime_maker_t mime)
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;
}