static bool get_untokenized_msgid(const char **msgid_p, string_t *msgid)
{
struct rfc822_parser_context parser;
rfc822_parser_init(&parser, (const unsigned char *)*msgid_p,
strlen(*msgid_p), NULL);
/*
msg-id = [CFWS] "<" id-left "@" id-right ">" [CFWS]
id-left = dot-atom-text / no-fold-quote / obs-id-left
id-right = dot-atom-text / no-fold-literal / obs-id-right
no-fold-quote = DQUOTE *(qtext / quoted-pair) DQUOTE
no-fold-literal = "[" *(dtext / quoted-pair) "]"
*/
(void)rfc822_skip_lwsp(&parser);
if (rfc822_parse_dot_atom(&parser, msgid) <= 0)
return FALSE;
if (*parser.data != '@')
return FALSE;
str_append_c(msgid, '@');
parser.data++;
(void)rfc822_skip_lwsp(&parser);
if (rfc822_parse_dot_atom(&parser, msgid) <= 0)
return FALSE;
if (*parser.data != '>')
return FALSE;
*msgid_p = (const char *)parser.data + 1;
return TRUE;
}
int cmd_lhlo(struct client *client, const char *args)
{
struct rfc822_parser_context parser;
string_t *domain = t_str_new(128);
const char *p;
int ret = 0;
if (*args == '\0') {
client_send_line(client, "501 Missing hostname");
return 0;
}
/* domain / address-literal */
rfc822_parser_init(&parser, (const unsigned char *)args, strlen(args),
NULL);
if (*args != '[')
ret = rfc822_parse_dot_atom(&parser, domain);
else {
for (p = args+1; *p != ']'; p++) {
if (*p == '\\' || *p == '[')
break;
}
if (strcmp(p, "]") != 0)
ret = -1;
}
if (ret < 0) {
str_truncate(domain, 0);
str_append(domain, "invalid");
}
client_state_reset(client, "LHLO");
client_send_line(client, "250-%s", client->my_domain);
if (master_service_ssl_is_enabled(master_service) &&
client->ssl_iostream == NULL)
client_send_line(client, "250-STARTTLS");
if (client_is_trusted(client))
client_send_line(client, "250-XCLIENT ADDR PORT TTL TIMEOUT");
client_send_line(client, "250-8BITMIME");
client_send_line(client, "250-ENHANCEDSTATUSCODES");
client_send_line(client, "250 PIPELINING");
i_free(client->lhlo);
client->lhlo = i_strdup(str_c(domain));
client_state_set(client, "LHLO", "");
return 0;
}
int rfc822_parse_domain(struct rfc822_parser_context *ctx, string_t *str)
{
/*
domain = dot-atom / domain-literal / obs-domain
domain-literal = [CFWS] "[" *([FWS] dcontent) [FWS] "]" [CFWS]
obs-domain = atom *("." atom)
*/
i_assert(*ctx->data == '@');
ctx->data++;
if (rfc822_skip_lwsp(ctx) <= 0)
return -1;
if (*ctx->data == '[')
return rfc822_parse_domain_literal(ctx, str);
else
return rfc822_parse_dot_atom(ctx, str);
}
