1/*
2 * Copyright (c) 2000-2004 Apple Computer, Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25//
26// inetreply - manage Internet-standard reply strings
27//
28#include "inetreply.h"
29#include <security_utilities/debugging.h>
30#include <ctype.h>
31
32namespace Security {
33namespace IPPlusPlus {
34
35
36//
37// Construct an InetReply object from a WRITABLE buffer.
38// The buffer will be alterered by this constructor, and needs to be left alone
39// until the InetReply object is destroyed.
40//
41InetReply::InetReply(const char *buffer) : mBuffer(buffer)
42{
43    analyze();
44}
45
46void InetReply::analyze()
47{
48    // follow Internet rule #1: be lenient in what you accept
49    /*const*/ char *p;				// (un-const is ANSI bogosity in strtol)
50    mCode = (int) strtol(mBuffer, &p, 10);
51    if (p == mBuffer) {			// conversion failed
52        mCode = -1;				// error indicator
53        mSeparator = ' ';
54        mMessage = "?invalid?";
55        return;
56    }
57    if (!*p) {					// just "nnn" (tolerate)
58        mCode = atoi(p);
59        mSeparator = ' ';
60        mMessage = "";
61        return;
62    }
63    mSeparator = *p++;
64    while (isspace(*p)) p++;
65    mMessage = p;
66}
67
68
69//
70// Continuation handling
71//
72bool InetReply::Continuation::operator () (const char *input)
73{
74    if (mActive && !strncmp(input, mTestString, 4))
75        mActive = false;
76    return mActive;
77}
78
79bool InetReply::Continuation::operator () (const InetReply &reply)
80{
81    if (!mActive && reply.isContinued()) {
82        mActive = true;
83        snprintf(mTestString, 4, "%03d", reply.code());
84        mTestString[3] = ' ';	// no \0 left in this string
85    }
86    return mActive;
87}
88
89
90}	// end namespace IPPlusPlus
91}	// end namespace Security
92