共通のコード

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次のコード例には、その他の SASL 関数のリストが含まれています。

注 - このソースコード例は、Oracle ダウンロードセンターからダウンロードすることも可能です。http://www.oracle.com/technetwork/indexes/downloads/sdlc-decommission-333274.html を参照してください。

#pragma ident    "@(#)common.c    1.1    03/03/28 SMI"
/* $Id: common.c,v 1.3 2002/09/03 15:11:59 rjs3 Exp $ */
/* 
 * Copyright (c) 2001 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 other legal
 *    details, please contact  
 *      Office of Technology Transfer
 *      Carnegie Mellon University
 *      5000 Forbes Avenue
 *      Pittsburgh, PA  15213-3890
 *      (412) 268-4387, fax: (412) 268-7395
 *      tech-transfer@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 <stdio.h>
#include <ctype.h>
#include <stdarg.h>
#ifdef _SUN_SDK_
#include <sysexits.h>
#endif /* _SUN_SDK_ */

#include <sasl.h>

/* send/recv library for IMAP4 style literals.

   really not important; just one way of doing length coded strings */

int send_string(FILE *f, const char *s, int l)
{
    int al;

    al = fprintf(f, "{%d}\r\n", l);
    fwrite(s, 1, l, f);
    fflush(f);

    printf("send: {%d}\n", l);
    while (l--) {
    if (isprint((unsigned char) *s)) {
        printf("%c", *s);
    } else {
        printf("[%X]", (unsigned char) *s);
    }
    s++;
    }
    printf("\n");

    return al;
}

int recv_string(FILE *f, char *buf, int buflen)
{
    int c;
    int len, l;
    char *s;
    
    c = fgetc(f);
    if (c != '{') return -1;

    /* read length */
    len = 0;
    c = fgetc(f);
    while (isdigit(c)) {
    len = len * 10 + (c - '0');
    c = fgetc(f);
    }
    if (c != '}') return -1;
    c = fgetc(f);
    if (c != '\r') return -1;
    c = fgetc(f);
    if (c != '\n') return -1;

    /* read string */
    if (buflen <= len) {
    fread(buf, buflen - 1, 1, f);
    buf[buflen - 1] = '\0';
    /* discard oversized string */
    len -= buflen - 1;
    while (len--) (void)fgetc(f);

    len = buflen - 1;
    } else {
    fread(buf, len, 1, f);
    buf[len] = '\0';
    }

    l = len;
    s = buf;
    printf("recv: {%d}\n", len);
    while (l--) {
    if (isprint((unsigned char) *s)) {
        printf("%c", *s);
    } else {
        printf("[%X]", (unsigned char) *s);
    }
    s++;
    }
    printf("\n");

    return len;
}

int debuglevel = 0;

int dprintf(int lvl, const char *fmt, ...)
{
    va_list ap;
    int ret = 0;

    if (debuglevel >= lvl) {
    va_start(ap, fmt);
    ret = vfprintf(stdout, fmt, ap);
    va_end(ap);
    } 

    return ret;
}

void saslerr(int why, const char *what)
{
  fprintf(stderr, "%s: %s", what, sasl_errstring(why, NULL, NULL));
}

void saslfail(int why, const char *what)
{
    saslerr(why, what);
    exit(EX_TEMPFAIL);
}

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