/* version.c: versioning functions
 *
 * Copyright (c) 1994-2008 Carnegie Mellon University.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The name "Carnegie Mellon University" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For permission or any legal
 *    details, please contact
 *      Carnegie Mellon University
 *      Center for Technology Transfer and Enterprise Creation
 *      4615 Forbes Avenue
 *      Suite 302
 *      Pittsburgh, PA  15213
 *      (412) 268-7393, fax: (412) 268-7395
 *      innovation@andrew.cmu.edu
 *
 * 4. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by Computing Services
 *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
 *
 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
 * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <config.h>

#include <sasl/sasl.h>
#include <sys/utsname.h>
#ifdef HAVE_KRB
#include <krb.h>
#endif
#ifdef HAVE_UCDSNMP
#include <ucd-snmp/version.h>
#endif

#include <string.h>
#include "version.h"
#include "map.h"
#include "cyr_lock.h"
#include "nonblock.h"
#include "idle.h"

#ifdef USE_SIEVE
#include "sieve/sieve_interface.h"
#endif

static char id_resp_command[MAXIDVALUELEN];
static char id_resp_arguments[MAXIDVALUELEN] = "";

/* EXTRA_IDENT is a hack to add some version information for which compile
 * was used to build this version (at CMU, but we don't care what you do with
 * it).
 */

#ifdef EXTRA_IDENT
#define CYRUS_VERSION PACKAGE_VERSION "-" EXTRA_IDENT
#else
#define CYRUS_VERSION PACKAGE_VERSION
#endif

EXPORTED const char *cyrus_version(void)
{
    return CYRUS_VERSION;
}

/*
 * Grab the command line args for the ID response.
 */
EXPORTED void id_getcmdline(int argc, char **argv)
{
    snprintf(id_resp_command, MAXIDVALUELEN, "%s", *argv);
    while (--argc > 0) {
        snprintf(id_resp_arguments + strlen(id_resp_arguments),
                 MAXIDVALUELEN - strlen(id_resp_arguments),
                 "%s%s", *++argv, (argc > 1) ? " " : "");
    }
}

/*
 * Output the ID response.
 * We do NOT close the parameter list so other stuff can be added later.
 */
EXPORTED void id_response(struct protstream *pout)
{
    struct utsname os;
    const char *sasl_imp;
    int sasl_ver;
    char env_buf[MAXIDVALUELEN+1];

    prot_printf(pout, "* ID ("
                "\"name\" \"Cyrus IMAPD\""
                " \"version\" \"%s\""
                " \"vendor\" \"Project Cyrus\""
                " \"support-url\" \"https://www.cyrusimap.org\"",
                CYRUS_VERSION);

    /* add the os info */
    if (uname(&os) != -1)
        prot_printf(pout,
                    " \"os\" \"%s\""
                    " \"os-version\" \"%s\"",
                    os.sysname, os.release);

#ifdef ID_SAVE_CMDLINE
    /* add the command line info */
    prot_printf(pout, " \"command\" \"%s\"", id_resp_command);
    if (strlen(id_resp_arguments)) {
        prot_printf(pout, " \"arguments\" \"%s\"", id_resp_arguments);
    } else {
        prot_printf(pout, " \"arguments\" NIL");
    }
#endif

    /* SASL information */
    snprintf(env_buf, MAXIDVALUELEN,"Built w/Cyrus SASL %d.%d.%d",
             SASL_VERSION_MAJOR, SASL_VERSION_MINOR, SASL_VERSION_STEP);

    sasl_version(&sasl_imp, &sasl_ver);
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; Running w/%s %d.%d.%d", sasl_imp,
             (sasl_ver & 0xFF000000) >> 24,
             (sasl_ver & 0x00FF0000) >> 16,
             (sasl_ver & 0x0000FFFF));

    /* add the environment info */
#ifdef DB_VERSION_STRING
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; Built w/%s", DB_VERSION_STRING);
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; Running w/%s", db_version(NULL, NULL, NULL));
#endif
#ifdef HAVE_SSL
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; Built w/%s", OPENSSL_VERSION_TEXT);
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; Running w/%s", SSLeay_version(SSLEAY_VERSION));
#ifdef EGD_SOCKET
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             " (with EGD)");
#endif
#endif
#ifdef HAVE_ZLIB
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; Built w/zlib %s", ZLIB_VERSION);
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; Running w/zlib %s", zlibVersion());
#endif
#ifdef USE_SIEVE
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; %s", SIEVE_VERSION);
#endif
#ifdef HAVE_LIBWRAP
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; TCP Wrappers");
#endif
#ifdef HAVE_UCDSNMP
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; UCD-SNMP %s", VersionInfo);
#endif
#ifdef HAVE_NETSNMP
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; NET-SNMP");
#endif
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; mmap = %s", map_method_desc);
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; lock = %s", lock_method_desc);
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             "; nonblock = %s", nonblock_method_desc);
#ifdef HAVE_KRB
    snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
             " (%s)", krb4_version);
#endif
    if (idle_method_desc)
        snprintf(env_buf + strlen(env_buf), MAXIDVALUELEN - strlen(env_buf),
                 "; idle = %s", idle_method_desc);

    prot_printf(pout, " \"environment\" \"%s\"", env_buf);
}
