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<p>Line Chat 使用 <a target="_blank" rel="noopener" href="https://github.com/google/conscrypt">conscrypt</a> 做 SSL，按照导出 SSL KEY 的方法，可以获取到用于 WireShark 解密 SSL 流量。</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line">blueline:/ $ su</span><br><span class="line">blueline:/ # ps -ef | grep line</span><br><span class="line">root 3491 1 0 13:59:46 ? 00:02:30 thermal-engine -c /vendor/etc/thermal-engine-blueline-novr-prod.conf</span><br><span class="line">u0_a273 15116 1274 3 15:52:50 ? 00:06:30 jp.naver.line.android</span><br><span class="line">root 31788 31563 23 19:34:19 8ex/.magisk/pts/0 00:00:00 grep line</span><br><span class="line">blueline:/ # cat /proc/15116/maps | grep ssl</span><br><span class="line">795e0c2000-795e0de000 r--p 00000000 fd:11 31 /apex/com.android.conscrypt/lib64/libssl.so</span><br><span class="line">795e0de000-795e11a000 r-xp 0001c000 fd:11 31 /apex/com.android.conscrypt/lib64/libssl.so</span><br><span class="line">795e11a000-795e11d000 r--p 00058000 fd:11 31 /apex/com.android.conscrypt/lib64/libssl.so</span><br><span class="line">795e11d000-795e11e000 rw-p 0005a000 fd:11 31 /apex/com.android.conscrypt/lib64/libssl.so</span><br><span class="line">blueline:/ #</span><br></pre></td></tr></table></figure>
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<li><p>如下代码中的字符串可以定位 <code>CodedOutputStream</code> 类。</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line">public static class OutOfSpaceException extends IOException {</span><br><span class="line"> private static final long serialVersionUID = -6947486886997889499L;</span><br><span class="line"></span><br><span class="line"> OutOfSpaceException() {</span><br><span class="line"> super("CodedOutputStream was writing to a flat byte array and ran " +</span><br><span class="line"> "out of space.");</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
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<li><p><code>CodedInputStream</code> 的定位如下，依然根据字符串。然后可以从其 <code>readString</code> 的方法交叉引用查找生成的类，或者hook此方法也能看到实际相关生成类。</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line">// Here we should refill the buffer as many bytes as possible.</span><br><span class="line">int bytesRead =</span><br><span class="line"> read(</span><br><span class="line"> input,</span><br><span class="line"> buffer,</span><br><span class="line"> bufferSize,</span><br><span class="line"> Math.min(</span><br><span class="line"> // the size of allocated but unused bytes in the buffer</span><br><span class="line"> buffer.length - bufferSize,</span><br><span class="line"> // do not exceed the total bytes limit</span><br><span class="line"> sizeLimit - totalBytesRetired - bufferSize));</span><br><span class="line">if (bytesRead == 0 || bytesRead < -1 || bytesRead > buffer.length) {</span><br><span class="line"> throw new IllegalStateException(</span><br><span class="line"> input.getClass()</span><br><span class="line"> + "#read(byte[]) returned invalid result: "</span><br><span class="line"> + bytesRead</span><br><span class="line"> + "\nThe InputStream implementation is buggy.");</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line">if (bytesRead == 0 || bytesRead < -1 || bytesRead > this.buffer.length) {</span><br><span class="line"> throw new IllegalStateException("InputStream#read(byte[]) returned invalid result: " + bytesRead + "\nThe InputStream implementation is buggy.");</span><br><span class="line">}</span><br><span class="line"></span><br></pre></td></tr></table></figure>
</li>
<li><p>如下代码中的字符串 <code>"byte array"</code> 定位 <code>toByteArray</code> 方法</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line">@Override</span><br><span class="line">public byte[] toByteArray() {</span><br><span class="line"> try {</span><br><span class="line"> final byte[] result = new byte[getSerializedSize()];</span><br><span class="line"> final CodedOutputStream output = CodedOutputStream.newInstance(result);</span><br><span class="line"> writeTo(output);</span><br><span class="line"> output.checkNoSpaceLeft();</span><br><span class="line"> return result;</span><br><span class="line"> } catch (IOException e) {</span><br><span class="line"> throw new RuntimeException(getSerializingExceptionMessage("byte array"), e);</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure></li>
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<a href="/2021/11/10/2021-11-11-%E7%A2%8E%E7%A2%8E%E5%BF%B5/" class="post-title-link" itemprop="url">宋江太傻逼了吧，害死多少兄弟</a>
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<li>宋江太傻逼了吧，害死多少兄弟。</li>
<li>念情的人儿啊，你慢一点儿吧，坐下来等一等你的灵魂</li>
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<a href="/2020/07/22/Android-JNI-RegisterNatives/" class="post-title-link" itemprop="url">Android JNI RegisterNatives</a>
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<p>获取动态注册函数方法信息</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">jnitrace -l libwxxx.so com.xxxx.yyyyy -i RegisterNatives -o /path/to/json_file</span><br></pre></td></tr></table></figure>
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<p>自从用了 AltStore 之后就不能自拔，想着所有ipa都要通过它安装上去，不过没有付费的apple id是有数量限制的，sideload ipa也是有个数限制，思来想去发现自己是掉坑里面了，这才突然想起 AppSync 来。既然已经越狱，找到最新版 <a target="_blank" rel="noopener" href="https://github.com/angelXwind/AppSync">AppSync</a>发现已经支持到了自己越狱版本13.5。那装上用 ifunbox 装个 ipa 还不是分分钟的事情。果然事情并没有想象中的简单。</p>
<p>装完后爱思助手显示我没有安装AppSync，然后查看了AppSync包内容，发现有个服务进程 asu_inject ，但是高版本并不需要这个进程了，最终打包文件里也没有启动这个服务的plist文件。</p>
<p>问题出现在注入的 installd 这个进程没有重启，使 AppSync 的 hook 代码生效，自己手动 killall -9 installd 使其加载 hook 代码后就可以解决惹。</p>
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<p>使用:</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">./strace -p 16998 -f -x -y -e read=all -e write=all -o trace.txt</span><br></pre></td></tr></table></figure>
<p>output(部分):</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br></pre></td><td class="code"><pre><span class="line">...</span><br><span class="line">17046 openat(AT_FDCWD, "/proc/interrupts", O_RDONLY|O_LARGEFILE) = -1 EACCES (Permission denied)</span><br><span class="line">17046 read(-1, 0xba60f7b8, 4095) = -1 EBADF (Bad file descriptor)</span><br><span class="line">17046 openat(AT_FDCWD, "/proc/diskstats", O_RDONLY|O_LARGEFILE) = -1 EACCES (Permission denied)</span><br><span class="line">17033 <... ioctl resumed> , 0xc3fc2118) = 0</span><br><span class="line">17031 <... ioctl resumed> , 0xbc2c6118) = 0</span><br><span class="line">17046 read(-1, <unfinished ...></span><br><span class="line">17033 futex(0xe831c514, FUTEX_WAKE_PRIVATE, 2147483647 <unfinished ...></span><br><span class="line">17046 <... read resumed> 0xba60f7b8, 4095) = -1 EBADF (Bad file descriptor)</span><br><span class="line">17033 <... futex resumed> ) = 0</span><br><span class="line">17046 openat(AT_FDCWD, "/proc/filesystems", O_RDONLY|O_LARGEFILE <unfinished ...></span><br><span class="line">17033 futex(0xe831c510, FUTEX_WAKE_PRIVATE, 1 <unfinished ...></span><br><span class="line">17031 futex(0xe831c510, FUTEX_WAIT_BITSET_PRIVATE, 2, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...></span><br><span class="line">17033 <... futex resumed> ) = 0</span><br><span class="line">17031 <... futex resumed> ) = -1 EAGAIN (Try again)</span><br><span class="line">17046 <... openat resumed> ) = -1 EACCES (Permission denied)</span><br><span class="line">17031 futex(0xe831c510, FUTEX_WAKE_PRIVATE, 1 <unfinished ...></span><br><span class="line">17046 read(-1, <unfinished ...></span><br><span class="line">17033 getpid( <unfinished ...></span><br><span class="line">17046 <... read resumed> 0xba60f7b8, 4095) = -1 EBADF (Bad file descriptor)</span><br><span class="line">17033 <... getpid resumed> ) = 16998</span><br><span class="line">17046 faccessat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/arm", F_OK <unfinished ...></span><br><span class="line">17033 getuid32( <unfinished ...></span><br><span class="line">17031 <... futex resumed> ) = 0</span><br><span class="line">17046 <... faccessat resumed> ) = -1 ENOENT (No such file or directory)</span><br><span class="line">17033 <... getuid32 resumed> ) = 10217</span><br><span class="line">17046 openat(AT_FDCWD, "/proc/self/maps", O_RDONLY|O_LARGEFILE <unfinished ...></span><br><span class="line">17031 futex(0xe831c514, FUTEX_WAKE_PRIVATE, 2147483647 <unfinished ...></span><br><span class="line">17033 futex(0xe831c510, FUTEX_WAIT_BITSET_PRIVATE, 2, NULL, FUTEX_BITSET_MATCH_ANY <unfinished ...></span><br><span class="line">17031 <... futex resumed> ) = 0</span><br><span class="line">17046 <... openat resumed> ) = 139</proc/16998/maps></span><br><span class="line">17031 futex(0xe831c510, FUTEX_WAKE_PRIVATE, 1 <unfinished ...></span><br><span class="line">17046 read(139</proc/16998/maps>, <unfinished ...></span><br><span class="line">17031 <... futex resumed> ) = 1</span><br><span class="line">17033 <... futex resumed> ) = 0</span><br><span class="line">17033 futex(0xe831c514, FUTEX_WAKE_PRIVATE, 2147483647 <unfinished ...></span><br><span class="line">17046 <... read resumed> "12c00000-13180000 rw-p 00000000 "..., 4095) = 3992</span><br><span class="line"> | 00000 31 32 63 30 30 30 30 30 2d 31 33 31 38 30 30 30 12c00000-1318000 |</span><br><span class="line"> | 00010 30 20 72 77 2d 70 20 30 30 30 30 30 30 30 30 20 0 rw-p 00000000 |</span><br><span class="line"> | 00020 30 30 3a 30 30 20 30 20 20 20 20 20 20 20 20 20 00:00 0 |</span><br><span class="line"> | 00030 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |</span><br><span class="line"> | 00040 20 20 20 20 20 20 20 20 20 5b 61 6e 6f 6e 3a 64 [anon:d |</span><br><span class="line"> | 00050 61 6c 76 69 6b 2d 6d 61 69 6e 20 73 70 61 63 65 alvik-main space |</span><br><span class="line"> | 00060 20 28 72 65 67 69 6f 6e 20 73 70 61 63 65 29 5d (region space)] |</span><br><span class="line"> | 00070 0a 31 33 31 38 30 30 30 30 2d 31 33 33 30 30 30 .13180000-133000 |</span><br><span class="line"> | 00080 30 30 20 72 77 2d 70 20 30 30 30 30 30 30 30 30 00 rw-p 00000000 |</span><br><span class="line"> | 00090 20 30 30 3a 30 30 20 30 20 20 20 20 20 20 20 20 00:00 0 |</span><br><span class="line"> | 000a0 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 |</span><br><span class="line">...</span><br></pre></td></tr></table></figure>
<p>主要 -e 选项可以把读写数据以 hexadecimal and ASCII Dump出来并记录。</p>
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<a href="/2020/01/12/2020-01-13-%E7%A2%8E%E7%A2%8E%E5%BF%B5-2020-01/" class="post-title-link" itemprop="url">碎碎念-二〇二〇年一月</a>
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<p>窦唯的<高级动物>写的真好。</p>
<p>作曲 : 窦唯，<br>作词 : 窦唯，</p>
<p>矛盾 虚伪 贪婪 欺骗，<br>幻想 疑惑 简单 善变，<br>好强 无奈 孤独 脆弱，<br>忍让 气愤 复杂 讨厌，<br>嫉妒 阴险 争夺 埋怨，<br>自私 无聊 变态 冒险，<br>好色 善良 博爱 诡辩，<br>能说 空虚 真诚 金钱，<br>噢~~我的天 高级动物，<br>地狱 天堂 皆在人间，<br>伟大 渺小 中庸 可怜，<br>欢乐 痛苦 战争 贫寒，<br>辉煌 暗淡 得意 伤感，<br>怀恨 报复 专横 责难，<br>幸福在哪里，<br>幸福在哪里，<br>幸福在哪里。</p>
<p>感觉自己还是冷漠，北京大多时候是个冷漠的城市，面对陌生人不想提供更多帮助，因为骗子太多，或者人间不值得。但是还是向往那种无条件的善良，不管对方是不是骗子，都会给予帮助，这是自己的意愿，万一呢，是需要帮助的人。而且大多数时候对方也只是问个路而已，自己帮助他们用手机地图搜一下告诉大概怎么走也是温暖的。<br>写这个是某天晚上跑步碰到一个外卖小哥要问路而我跑掉了吧，感觉挺内疚。一般只要不是明显要钱的，问路我还是会用手机帮助他们查的，希望世界美好。希望人们都会用智能手机。</p>
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<p>新年给自己买的新礼物，就是本站用的域名thepapaya.me的域名了，首年24元续费100多。是不是超级便宜的礼物，最近想买ikbc的无线87键机械键盘，大概不到400能拿下还是舍不得，舍不得原因也是想买其他好玩的设备，不知道要花多少没用的钱。。。</p>
<p>而能毫不犹豫的买个 .me 域名是想继续更新本站,本来只想写些技术文章，结果毕业以来5、6年写了10多篇技术文章，还不算抄人家的，摸着良心会痛。所以想不如写些比较杂的东西，脑子里每天重复的东西或者是想的一些没用的、没意义的东西。把这些空间从脑子里释放出来。</p>
<p>另一方面：之所以觉的自己每天脑子里会有各种乱七八糟的东西，也可能是自己体会到，并没人倾诉，也没人倾听，更不敢发到朋友圈微博，还不如索性写到这。也不晓得朋友圈或者微博能活多少年，然后又像当年的QQ被冷落。全然把这当个记事本也挺好。就算买一些现成的笔记类的应用一年也花不少钱不是，还不知道开发者能坚持做几年到时候又得折腾。而博客的迁移就相对简单多了。</p>
<p>EOF</p>
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<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">rm -r /var/preferences/com.apple.networkextension* && reboot</span><br></pre></td></tr></table></figure>
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<a href="/2019/09/06/2019-09-06-IDA-Debug-Android/" class="post-title-link" itemprop="url">IDA Pro 启动调试安卓应用</a>
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<time title="Created: 2019-09-06 14:20:00" itemprop="dateCreated datePublished" datetime="2019-09-06T14:20:00+00:00">2019-09-06</time>
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<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line">aapt dump badging /path/xxx.apk</span><br><span class="line">adb shell am start -D -n 包名/类名</span><br><span class="line">adb forward tcp:23946 tcp:23946</span><br><span class="line">adb forward tcp:8700 jdwp:pid</span><br><span class="line">jdb -connect com.sun.jdi.SocketAttach:hostname=localhost,port=8700</span><br><span class="line"></span><br><span class="line">eg:</span><br><span class="line"></span><br><span class="line">adb shell am start -D -n com.tencent.mm/com.tencent.mm.ui.LauncherUI</span><br><span class="line">adb forward tcp:23946 tcp:23946</span><br><span class="line">adb forward tcp:8700 jdwp:pid</span><br><span class="line">jdb -connect com.sun.jdi.SocketAttach:hostname=localhost,port=8700</span><br></pre></td></tr></table></figure>
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