1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/**
* @file llpipeutil.cpp
* @date 2006-05-18
* @brief Utility pipe fittings for injecting and extracting strings
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llpipeutil.h"
#include <stdlib.h>
#include <sstream>
#include "llbufferstream.h"
#include "lldefs.h"
#include "llframetimer.h"
#include "llpumpio.h"
#include "llrand.h"
#include "lltimer.h"
F32 pump_loop(LLPumpIO* pump, F32 seconds)
{
LLTimer timer;
timer.setTimerExpirySec(seconds);
while(!timer.hasExpired())
{
LLFrameTimer::updateFrameTime();
pump->pump();
pump->callback();
}
return timer.getElapsedTimeF32();
}
//virtual
LLIOPipe::EStatus LLPipeStringInjector::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
buffer->append(channels.out(), (U8*) mString.data(), static_cast<S32>(mString.size()));
eos = true;
return STATUS_DONE;
}
LLIOPipe::EStatus LLPipeStringExtractor::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
if(!eos) return STATUS_BREAK;
if(!pump || !buffer) return STATUS_PRECONDITION_NOT_MET;
LLBufferStream istr(channels, buffer.get());
std::ostringstream ostr;
while (istr.good())
{
char buf[1024]; /* Flawfinder: ignore */
istr.read(buf, sizeof(buf)); /* Flawfinder: ignore */
ostr.write(buf, istr.gcount());
}
mString = ostr.str();
mDone = true;
return STATUS_DONE;
}
// virtual
LLIOPipe::EStatus LLIOFuzz::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
while(mByteCount)
{
std::vector<U8> data;
data.reserve(10000);
int size = llmin(10000, mByteCount);
std::generate_n(
std::back_insert_iterator< std::vector<U8> >(data),
size,
rand);
buffer->append(channels.out(), &data[0], size);
mByteCount -= size;
}
return STATUS_OK;
}
struct random_ascii_generator
{
random_ascii_generator() {}
U8 operator()()
{
int rv = rand();
rv %= (127 - 32);
rv += 32;
return rv;
}
};
// virtual
LLIOPipe::EStatus LLIOASCIIFuzz::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
while(mByteCount)
{
std::vector<U8> data;
data.reserve(10000);
int size = llmin(10000, mByteCount);
std::generate_n(
std::back_insert_iterator< std::vector<U8> >(data),
size,
random_ascii_generator());
buffer->append(channels.out(), &data[0], size);
mByteCount -= size;
}
return STATUS_OK;
}
// virtual
LLIOPipe::EStatus LLIONull::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
return STATUS_OK;
}
// virtual
LLIOPipe::EStatus LLIOSleeper::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
if(!mRespond)
{
LL_DEBUGS() << "LLIOSleeper::process_impl() sleeping." << LL_ENDL;
mRespond = true;
static const F64 SLEEP_TIME = 2.0;
pump->sleepChain(SLEEP_TIME);
return STATUS_BREAK;
}
LL_DEBUGS() << "LLIOSleeper::process_impl() responding." << LL_ENDL;
LLBufferStream ostr(channels, buffer.get());
ostr << "huh? sorry, I was sleeping." << std::endl;
return STATUS_DONE;
}
|
