external/ibm-public/postfix/dist/src/tls/tls_scache.h

   1 /*      $NetBSD$        */
   2
   3 #ifndef _TLS_SCACHE_H_INCLUDED_
   4 #define _TLS_SCACHE_H_INCLUDED_
   5
   6 /*++
   7 /* NAME
   8 /*      tls_scache 3h
   9 /* SUMMARY
  10 /*      TLS session cache manager
  11 /* SYNOPSIS
  12 /*      #include <tls_scache.h>
  13 /* DESCRIPTION
  14 /* .nf
  15
  16  /*
  17   * Utility library.
  18   */
  19 #include <dict.h>
  20 #include <vstring.h>
  21
  22  /*
  23   * External interface.
  24   */
  25 typedef struct {
  26     int     flags;                      /* see below */
  27     DICT   *db;                         /* database handle */
  28     char   *cache_label;                /* "smtpd", "smtp" or "lmtp" */
  29     int     verbose;                    /* enable verbose logging */
  30     int     timeout;                    /* smtp(d)_tls_session_cache_timeout */
  31     char   *saved_cursor;               /* cursor cache ID */
  32 } TLS_SCACHE;
  33
  34 #define TLS_SCACHE_FLAG_DEL_SAVED_CURSOR        (1<<0)
  35
  36 extern TLS_SCACHE *tls_scache_open(const char *, const char *, int, int);
  37 extern void tls_scache_close(TLS_SCACHE *);
  38 extern int tls_scache_lookup(TLS_SCACHE *, const char *, VSTRING *);
  39 extern int tls_scache_update(TLS_SCACHE *, const char *, const char *, ssize_t);
  40 extern int tls_scache_delete(TLS_SCACHE *, const char *);
  41 extern int tls_scache_sequence(TLS_SCACHE *, int, char **, VSTRING *);
  42
  43 #define TLS_SCACHE_DONT_NEED_CACHE_ID           ((char **) 0)
  44 #define TLS_SCACHE_DONT_NEED_SESSION            ((VSTRING *) 0)
  45
  46 #define TLS_SCACHE_SEQUENCE_NOTHING \
  47         TLS_SCACHE_DONT_NEED_CACHE_ID, TLS_SCACHE_DONT_NEED_SESSION
  48
  49 /* LICENSE
  50 /* .ad
  51 /* .fi
  52 /*      The Secure Mailer license must be distributed with this software.
  53 /* AUTHOR(S)
  54 /*      Wietse Venema
  55 /*      IBM T.J. Watson Research
  56 /*      P.O. Box 704
  57 /*      Yorktown Heights, NY 10598, USA
  58 /*--*/
  59
  60 #endif