“libcrypto.so.1.0.0:未找到版本‘OPENSSL_1.0.1’"在 shell_exec 期间
我在 PHP 中使用 shell_exec 运行 git 命令时遇到了一个奇怪的问题.这是 Ubuntu 16.x LTS 的全新映像，仅安装了 Lampp 的副本和 git 包.在我打算 webhook 的 php 脚本中，运行 shell_exec('/usr/bin/git pull 2>&1') 会打印出以下错误.
I'm running into a bit of a weird issue in PHP using shell_exec to run git commands. This is a brand new image of Ubuntu 16.x LTS with only a copy of Lampp installed and the git packages. Within a php script which I intend to webhook to, running shell_exec('/usr/bin/git pull 2>&1') prints out the following error.
ssh: /opt/lampp/lib/libcrypto.so.1.0.0: version 'OPENSSL_1.0.1' not found (required by ssh)
fatal: Could not read from remote repository.`
我可以从命令行使用 git pull 拉取存储库，并且运行 apache 的用户拥有 htdocs 目录中所有文件的所有权.
I can pull the repository using git pull from the command line and that the user running apache has ownership of all files in the htdocs directory.
openssl version -a 结果如下:
OpenSSL 1.0.2g-fips 1 Mar 2016
built on: reproducible build, date unspecified
platform: debian-amd64
options: bn(64,64) rc4(16x,int) des(idx,cisc,16,int) blowfish(idx)
compiler: cc -I. -I.. -I../include -fPIC -DOPENSSL_PIC -DOPENSSL_THREADS -D_REENTRANT -DDSO_DLFCN
-DHAVE_DLFCN_H -m64 -DL_ENDIAN -g -O2 -fstack-protector-strong -Wformat -Werror=format-security
-Wdate-time -D_FORTIFY_SOURCE=2 -Wl,-Bsymbolic-functions -Wl,-z,relro -Wa,--noexecstack -Wall
-DMD32_REG_T=int -DOPENSSL_IA32_SSE2 -DOPENSSL_BN_ASM_MONT -DOPENSSL_BN_ASM_MONT5
-DOPENSSL_BN_ASM_GF2m -DSHA1_ASM -DSHA256_ASM -DSHA512_ASM -DMD5_ASM -DAES_ASM -DVPAES_ASM
-DBSAES_ASM -DWHIRLPOOL_ASM -DGHASH_ASM -DECP_NISTZ256_ASM
OPENSSLDIR: "/usr/lib/ssl"
这是 Lamp 5.6.21 的问题，还是我的设置的问题?
Is this an issue with the Lamp 5.6.21, or is this an issue with my setup?
推荐答案
所以您已经将 XAMPP 安装到 /opt/lampp 并尝试运行本机(如来自 Ubuntu，而不是 XAMPP)git通过 shell_exec().这个shell运行的环境是什么?这是 XAMPP 与 LD_LIBRARY_PATH 一起使用的环境 /opt/lampp/lib，这是所有 XAMPP 组件绝对需要的(因为它们被构建为使用来自 /opt/lampp/lib 的这些库)代码>/opt/lampp/lib).然后 git 继承了这个相同的环境并且(尽管它在 /lib/x86_64-linux-gnu 的某个地方有来自 Ubuntu 的完美的 openssl 库)尝试使用来自 /opt/lampp/lib 的库代码>，砰.
So you have XAMPP installed into /opt/lampp and trying to run native (as in coming from Ubuntu, not XAMPP) git via shell_exec(). What is the environment this shell runs in? It's the environment that XAMPP uses with LD_LIBRARY_PATH set /opt/lampp/lib, which is absolutely needed for all XAMPP components (because they're built to use these libraries from /opt/lampp/lib). Then git inherits this same environment and (although it has perfect openssl library from Ubuntu somewhere in /lib/x86_64-linux-gnu) tries to use libraries from /opt/lampp/lib, bang.
您只需要在 git 调用之前清除 LD_LIBRARY_PATH 环境变量，例如:
What you need is just to clear LD_LIBRARY_PATH environment variable prior to git invocation, like:
$oldldpath = getenv('LD_LIBRARY_PATH');
putenv("LD_LIBRARY_PATH=");
shell_exec('/usr/bin/git pull 2>&1');
putenv("LD_LIBRARY_PATH=$oldldpath");
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