char *auth_daemon(const char *service, const char *authtype, char *authdata,
int issession,
void (*callback_func)(struct authinfo *, void *), void *callback_arg)
{
char tbuf[NUMBUFSIZE];
size_t l=strlen(service)+strlen(authtype)+strlen(authdata)+1;
char *n=libmail_str_size_t(l, tbuf);
char *buf=malloc(strlen(n)+l+20);
int rc;
struct authdaemon_info ai;
if (!buf)
{
perror("malloc");
errno=EACCES;
return (0);
}
strcat(strcat(strcpy(buf, "AUTH "), n), "\n");
strcat(strcat(buf, service), "\n");
strcat(strcat(buf, authtype), "\n");
strcat(buf, authdata);
ai.username=NULL;
ai.callback_func=callback_func;
ai.callback_arg=callback_arg;
rc=authdaemondo(buf, callback, &ai);
free(buf);
if (rc < 0)
{
errno=EPERM;
return (0);
}
if (rc > 0)
{
errno=EACCES;
return (0);
}
return (ai.username);
}
int auth_getuserinfo(const char *service, const char *uid,
int (*callback)(struct authinfo *, void *),
void *arg)
{
char *buf=malloc(strlen(service)+strlen(uid)+20);
int rc;
if (!buf)
{
perror("malloc");
return (1);
}
strcat(strcat(strcat(strcat(strcpy(buf, "PRE . "), service), " "),
uid), "\n");
rc=authdaemondo(buf, callback, arg);
free(buf);
return (rc);
}
int auth_generic(const char *service,
const char *authtype,
char *authdata,
int (*callback_func)(struct authinfo *, void *),
void *callback_arg)
{
char tbuf[NUMBUFSIZE];
size_t l=strlen(service)+strlen(authtype)+strlen(authdata)+2;
char *n=libmail_str_size_t(l, tbuf);
char *buf=malloc(strlen(n)+l+20);
int rc;
courier_authdebug_login_init();
if (!buf)
return 1;
strcat(strcat(strcpy(buf, "AUTH "), n), "\n");
strcat(strcat(buf, service), "\n");
strcat(strcat(buf, authtype), "\n");
strcat(buf, authdata);
rc=strcmp(authtype, "EXTERNAL") == 0
? auth_getuserinfo(service, authdata, callback_func,
callback_arg)
: authdaemondo(buf, callback_func, callback_arg);
free(buf);
if (courier_authdebug_login_level)
{
struct timeval t;
/* short delay to try and allow authdaemond's courierlogger
to finish writing; otherwise items can appear out of order */
t.tv_sec = 0;
t.tv_usec = 100000;
select(0, 0, 0, 0, &t);
}
return rc;
}
