Just name it qmail-remote after all

1 files changed, 86 insertions, 0 deletions

diff --git a/src/qmail-remote/qmail-remote.c b/src/qmail-remote/qmail-remote.c
new file mode 100644
index 0000000..870c797
--- /dev/null
+++ b/src/qmail-remote/qmail-remote.c
@@ -0,0 +1,86 @@
+/* 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-remote.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) ;
+}