Current File : //opt/cpanel/ea-ruby27/src/passenger-release-6.0.23/src/cxx_supportlib/ProcessManagement/Ruby.cpp
/*
* Phusion Passenger - https://www.phusionpassenger.com/
* Copyright (c) 2017-2018 Phusion Holding B.V.
*
* "Passenger", "Phusion Passenger" and "Union Station" are registered
* trademarks of Phusion Holding B.V.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <string>
#include <vector>
#include <cstddef>
#include <cstdio>
#include <ProcessManagement/Spawn.h>
#include <ProcessManagement/Ruby.h>
#include <ResourceLocator.h>
#include <Exceptions.h>
namespace Passenger {
using namespace std;
void
runInternalRubyTool(const ResourceLocator &resourceLocator,
const string &ruby, const vector<string> &args, int *status,
SubprocessOutput *output, size_t maxOutputSize)
{
string locationConfigFileEnv = "PASSENGER_LOCATION_CONFIGURATION_FILE="
+ resourceLocator.getInstallSpec();
string fullProgramPath;
bool isRubyProgram;
const char *command[
4 // env, locationConfigEnvFile, ruby, fullProgramPath
+ (args.size() - 1)
+ 1 // NULL
];
unsigned int i = 0, j;
if (args[0][0] == '/') {
fullProgramPath = args[0];
} else {
fullProgramPath = resourceLocator.getBinDir() + "/" + args[0];
}
// The tool may be a wrapper script, e.g. one generated by Homebrew.
// If it's a non-Ruby wrapper script then don't invoke it with Ruby.
FILE *f = fopen(fullProgramPath.c_str(), "r");
if (f == NULL) {
throw RuntimeException("Unable to open " + fullProgramPath);
}
char line[1024];
if (fgets(line, sizeof(line), f) == NULL) {
if (ferror(f) != 0) {
fclose(f);
throw RuntimeException("Unable to read " + fullProgramPath);
} else {
throw RuntimeException(fullProgramPath + " is empty");
}
} else {
isRubyProgram = strstr(line, "ruby") != NULL;
}
fclose(f);
command[i++] = "env";
command[i++] = locationConfigFileEnv.c_str();
if (isRubyProgram) {
command[i++] = ruby.c_str();
}
command[i++] = fullProgramPath.c_str();
for (j = 1; j < args.size(); j++) {
command[i++] = args[j].c_str();
}
command[i++] = NULL;
SubprocessInfo info;
if (output == NULL) {
runCommand(command, info);
} else {
runCommandAndCaptureOutput(command, info, *output, maxOutputSize);
}
if (status != NULL) {
*status = info.status;
}
}
} // namespace Passenger
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