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ShellManager: output stderr in the debug buffer
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parent
ddd5236b08
commit
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@ -1,5 +1,7 @@
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#include "shell_manager.hh"
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#include "shell_manager.hh"
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#include "debug.hh"
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#include <cstring>
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#include <cstring>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/wait.h>
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@ -23,17 +25,20 @@ String ShellManager::pipe(const String& input,
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const String& cmdline, const Context& context,
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const String& cmdline, const Context& context,
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const EnvVarMap& env_vars)
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const EnvVarMap& env_vars)
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{
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{
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int write_pipe[2];
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int write_pipe[2]; // child stdin
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int read_pipe[2];
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int read_pipe[2]; // child stdout
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int error_pipe[2]; // child stderr
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::pipe(write_pipe);
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::pipe(write_pipe);
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::pipe(read_pipe);
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::pipe(read_pipe);
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::pipe(error_pipe);
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String output;
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String output;
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if (pid_t pid = fork())
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if (pid_t pid = fork())
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{
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{
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close(write_pipe[0]);
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close(write_pipe[0]);
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close(read_pipe[1]);
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close(read_pipe[1]);
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close(error_pipe[1]);
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memoryview<char> data = input.data();
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memoryview<char> data = input.data();
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write(write_pipe[1], data.pointer(), data.size());
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write(write_pipe[1], data.pointer(), data.size());
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@ -47,14 +52,30 @@ String ShellManager::pipe(const String& input,
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output += String(buffer, buffer+size);
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output += String(buffer, buffer+size);
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}
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}
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close(read_pipe[0]);
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close(read_pipe[0]);
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String errorout;
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while (size_t size = read(error_pipe[0], buffer, 1024))
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{
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if (size == -1)
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break;
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errorout += String(buffer, buffer+size);
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}
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close(error_pipe[0]);
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if (not errorout.empty())
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{
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write_debug("\nshell stderr: <<<\n" + errorout + ">>>\n");
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}
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waitpid(pid, NULL, 0);
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waitpid(pid, NULL, 0);
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}
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}
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else try
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else try
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{
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{
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close(write_pipe[1]);
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close(write_pipe[1]);
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close(read_pipe[0]);
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close(read_pipe[0]);
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close(error_pipe[0]);
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dup2(read_pipe[1], 1); close(read_pipe[1]);
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dup2(read_pipe[1], 1); close(read_pipe[1]);
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dup2(error_pipe[1], 2); close(error_pipe[1]);
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dup2(write_pipe[0], 0); close(write_pipe[0]);
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dup2(write_pipe[0], 0); close(write_pipe[0]);
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boost::regex_iterator<String::iterator> it(cmdline.begin(), cmdline.end(), m_regex);
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boost::regex_iterator<String::iterator> it(cmdline.begin(), cmdline.end(), m_regex);
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