mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 00:01:50 +00:00
e1bf608589
MozReview-Commit-ID: IEcH6K5D27H --HG-- extra : rebase_source : bf16658e19d8a058d27cb3a0caf0f0a1400fa1cf
82 lines
1.9 KiB
C++
82 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "LSBUtils.h"
|
|
|
|
#include <unistd.h>
|
|
#include "base/process_util.h"
|
|
|
|
namespace mozilla {
|
|
namespace widget {
|
|
namespace lsb {
|
|
|
|
static const char* gLsbReleasePath = "/usr/bin/lsb_release";
|
|
|
|
bool
|
|
GetLSBRelease(nsACString& aDistributor,
|
|
nsACString& aDescription,
|
|
nsACString& aRelease,
|
|
nsACString& aCodename)
|
|
{
|
|
if (access(gLsbReleasePath, R_OK) != 0)
|
|
return false;
|
|
|
|
int pipefd[2];
|
|
if (pipe(pipefd) == -1) {
|
|
NS_WARNING("pipe() failed!");
|
|
return false;
|
|
}
|
|
|
|
std::vector<std::string> argv = {
|
|
gLsbReleasePath, "-idrc"
|
|
};
|
|
|
|
std::vector<std::pair<int, int>> fdMap = {
|
|
{ pipefd[1], STDOUT_FILENO }
|
|
};
|
|
|
|
base::ProcessHandle process;
|
|
base::LaunchApp(argv, fdMap, true, &process);
|
|
close(pipefd[1]);
|
|
if (!process) {
|
|
NS_WARNING("Failed to spawn lsb_release!");
|
|
close(pipefd[0]);
|
|
return false;
|
|
}
|
|
|
|
FILE* stream = fdopen(pipefd[0], "r");
|
|
if (!stream) {
|
|
NS_WARNING("Could not wrap fd!");
|
|
close(pipefd[0]);
|
|
return false;
|
|
}
|
|
|
|
char dist[256], desc[256], release[256], codename[256];
|
|
if (fscanf(stream, "Distributor ID:\t%255[^\n]\n"
|
|
"Description:\t%255[^\n]\n"
|
|
"Release:\t%255[^\n]\n"
|
|
"Codename:\t%255[^\n]\n",
|
|
dist, desc, release, codename) != 4)
|
|
{
|
|
NS_WARNING("Failed to parse lsb_release!");
|
|
fclose(stream);
|
|
close(pipefd[0]);
|
|
return false;
|
|
}
|
|
fclose(stream);
|
|
close(pipefd[0]);
|
|
|
|
aDistributor.Assign(dist);
|
|
aDescription.Assign(desc);
|
|
aRelease.Assign(release);
|
|
aCodename.Assign(codename);
|
|
return true;
|
|
}
|
|
|
|
} // namespace lsb
|
|
} // namespace widget
|
|
} // namespace mozilla
|