static int smtp_checkp(const char *fmt, const char *param, int code)
{
char *answer;
char *msg = send_mail_command(fmt, param);
// read stdin
// if the string has a form NNN- -- read next string. E.g. EHLO response
// parse first bytes to a number
// if code = -1 then just return this number
// if code != -1 then checks whether the number equals the code
// if not equal -> die saying msg
while ((answer = xmalloc_fgetline(stdin)) != NULL) {
if (verbose)
bb_error_msg("recv:'%.*s'", (int)(strchrnul(answer, '\r') - answer), answer);
if (strlen(answer) <= 3 || '-' != answer[3])
break;
free(answer);
}
if (answer) {
int n = atoi(answer);
if (timeout)
alarm(0);
free(answer);
if (-1 == code || n == code) {
free(msg);
return n;
}
}
bb_error_msg_and_die("%s failed", msg);
}
static void pop3_checkr(const char *fmt, const char *param, char **ret)
{
char *msg = send_mail_command(fmt, param);
char *answer = xmalloc_fgetline(stdin);
if (answer && '+' == answer[0]) {
free(msg);
if (timeout)
alarm(0);
if (ret) {
// skip "+OK "
memmove(answer, answer + 4, strlen(answer) - 4);
*ret = answer;
} else
free(answer);
return;
}
bb_error_msg_and_die("%s failed, reply was: %s", msg, answer);
}
