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/* ISC license. */
#include <string.h>
#include <stdint.h>
#include <unistd.h>
#include <skalibs/cdb.h>
#include <skalibs/stralloc.h>
#include <skalibs/sig.h>
#include <skalibs/tai.h>
#include <skalibs/ip46.h>
#include <smtpd-starttls-proxy/config.h>
#include "qmailr.h"
#include "qmail-smtpc.h"
#define dieusage() qmailr_perm("qmail-remote was invoked improperly")
int main (int argc, char const *const *argv)
{
stralloc storage = STRALLOC_ZERO ;
stralloc ipme4 = STRALLOC_ZERO ;
stralloc ipme6 = STRALLOC_ZERO ;
qmailr_tls qt = QMAILR_TLS_ZERO ;
smtproutes routes = SMTPROUTES_ZERO ;
unsigned int timeoutconnect = 60, timeoutremote = 1200 ;
char const *host ;
size_t mepos, helopos, hostpos = 0 ;
uint16_t port = 25 ;
int r ;
if (argc-- < 4) dieusage() ;
argv++ ;
if (chdir(SMTPD_STARTTLS_PROXY_QMAIL_HOME) == -1) qmailr_temp("Unable to chdir to " SMTPD_STARTTLS_PROXY_QMAIL_HOME) ;
if (sig_altignore(SIGPIPE) == -1) qmailr_tempsys("Unable to ignore SIGPIPE") ;
host = *argv++ ; argc-- ;
tain_now_set_stopwatch_g() ;
/* init control */
r = qmailr_control_read("control/me", &storage, &mepos) ;
if (r == -1) qmailr_tempsys("Unable to read control/me") ;
else if (!r) qmailr_temp("Invalid control/me") ;
r = qmailr_control_read("control/helohost", &storage, &helopos) ;
if (r == -1) qmailr_tempsys("Unable to read control/helohost") ;
else if (!r) helopos = mepos ;
r = qmailr_control_readint("control/timeoutconnect", &timeoutconnect, &storage) ;
if (r == -1) qmailr_tempsys("Unable to read control/timeoutconnect") ;
r = qmailr_control_readint("control/timeoutremote", &timeoutremote, &storage) ;
if (r == -1) qmailr_tempsys("Unable to read control/timeoutremote") ;
if (!qmailr_control_readiplist("control/ipme", &ipme4, &ipme6))
qmailr_tempsys("Unable to read control/ipme") ;
stralloc_shrink(&ipme4) ;
stralloc_shrink(&ipme6) ;
qsort(ipme4.s, ipme4.len >> 2, 4, &qmailr_memcmp4) ;
qsort(ipme6.s, ipme6.len >> 4, 16, &qmailr_memcmp16) ;
if (!qmailr_tls_init(&qt, &storage))
qmailr_tempsys("Unable to read TLS control files") ;
if (smtproutes_init(&routes))
{
if (!smtproutes_match(&routes, host, &storage, &hostpos, &port))
{
size_t hostlen = strlen(host) ;
for (size_t i = 0 ; i < hostlen ; i++) if (host[i] == '.')
if (smtproutes_match(&routes, argv[1], &storage, &hostpos, &port)) break ;
if (!hostpos) smtproutes_match(&routes, "", &storage, &hostpos, &port) ;
}
smtproutes_free(&routes) ;
}
{
genalloc mxipind = GENALLOC_ZERO ;
size_t eaddrpos[argc] ;
dns_stuff(hostpos ? storage.s + hostpos : host, argv, argc, eaddrpos, &mxipind, &storage, timeoutconnect, ipme4.s, ipme4.len >> 2, ipme6.s, ipme6.len >> 4, !hostpos) ;
}
_exit(0) ;
}
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