int main(int argc, char **argv)
{
char *p;
#ifdef HAVE_SETVBUF_IOLBF
setvbuf(stderr, NULL, _IOLBF, BUFSIZ);
#endif
time(&start_time);
if ((authaddr=getenv("AUTHADDR")) == NULL ||
*authaddr == 0)
{
authaddr=getenv("AUTHENTICATED");
if (authaddr == NULL || *authaddr == 0)
authaddr="nobody";
}
if ((remoteip=getenv("TCPREMOTEIP")) == NULL)
remoteip="127.0.0.1";
if ((remoteport=getenv("TCPREMOTEPORT")) == NULL)
remoteport="0";
{
struct stat buf;
if ( stat(".", &buf) < 0 || buf.st_mode & S_ISVTX)
{
fprintf(stderr, "INFO: LOCKED, user=%s, ip=[%s], port=[%s]\n",
authaddr, remoteip, remoteport);
printed(printf("-ERR Your account is temporarily unavailable (+t bit set on home directory).\r\n"));
exit(0);
}
}
if (argc > 1)
p=argv[1];
else
p=getenv("MAILDIR");
if (!p)
p="./Maildir";
if (chdir(p))
{
fprintf(stderr, "chdir %s: %s\n", p, strerror(errno));
printed(printf("-ERR chdir %s failed\n", p));
fflush(stdout);
exit(1);
}
maildir_loginexec();
if (auth_getoptionenvint("disablepop3"))
{
printed(printf("-ERR POP3 access disabled for this account.\r\n"));
fflush(stdout);
exit(1);
}
if ( auth_getoptionenvint("disableinsecurepop3")
&& ((p=getenv("POP3_TLS")) == NULL || !atoi(p)))
{
printed(printf("-ERR POP3 access disabled via insecure connection.\r\n"));
fflush(stdout);
exit(1);
}
fprintf(stderr, "INFO: LOGIN, user=%s, ip=[%s], port=[%s]\n",
authaddr,
remoteip,
remoteport);
fflush(stderr);
msglist_cnt=0;
msglist_l=0;
msglist_a=0;
purgetmp();
maildir_getnew(".", INBOX, NULL, NULL);
if (scancur())
{
printed(printf("-ERR Maildir invalid (no 'cur' directory)\r\n"));
return (0);
}
sortmsgs();
printed(printf("+OK logged in.\r\n"));
fflush(stdout);
loop();
return (0);
}
static void do_maildir_shared_sync(const char *dir, const char *shared)
{
struct dbobj obj;
char *dbname;
char *cur;
char *shared_update_name;
struct stat stat1, stat2;
int fd;
maildir_purgetmp(dir); /* clean up after myself */
maildir_getnew(dir, 0, NULL, NULL);
maildir_purgetmp(shared);
maildir_getnew(shared, 0, NULL, NULL);
/* Figure out if we REALLY need to sync something */
shared_update_name=malloc(strlen(dir)+sizeof("/shared-timestamp"));
if (!shared_update_name) return;
strcat(strcpy(shared_update_name, dir), "/shared-timestamp");
cur=malloc(strlen(shared)+sizeof("/new"));
if (!cur)
{
free(shared_update_name);
return;
}
if (stat(shared_update_name, &stat1) == 0)
{
if ( stat( strcat(strcpy(cur, shared), "/new"), &stat2) == 0 &&
stat2.st_mtime < stat1.st_mtime &&
stat( strcat(strcpy(cur, shared), "/cur"), &stat2)
== 0 && stat2.st_mtime < stat1.st_mtime)
{
free(shared_update_name);
free(cur);
return;
}
}
if ((fd=maildir_safeopen(shared_update_name, O_RDWR|O_CREAT, 0600))>= 0)
{
if (write(fd, "", 1) < 0)
perror("write");
close(fd);
}
free(cur);
free(shared_update_name);
if (create_db(&obj, dir, &dbname)) return;
if (build_db(shared, &obj))
{
dbobj_close(&obj);
unlink(dbname);
free(dbname);
return;
}
if ((cur=malloc(strlen(dir)+sizeof("/cur"))) == 0)
{
perror("malloc");
dbobj_close(&obj);
unlink(dbname);
free(dbname);
return;
}
strcat(strcpy(cur, dir), "/cur");
if (update_cur(cur, shared, &obj) == 0)
{
strcat(strcpy(cur, dir), "/new");
if (update_cur(cur, shared, &obj) == 0)
{
*strrchr(cur, '/')=0; /* Chop off the /new */
newmsgs(cur, shared, &obj);
}
}
free(cur);
dbobj_close(&obj);
unlink(dbname);
free(dbname);
}
