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crash_reporter: Run with supplemental groups

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In order to use metrics_lib, crash_reporter needs to be run with
system group permissions.  To use dbus, it needs dbus group
permissions.

Bug: 23406290
Change-Id: Ic679a057afa46aaadd59429aab0aea072c1973c5
This commit is contained in:
Steve Fung 2015-08-21 02:12:34 -07:00
parent e13fd9aa23
commit b440e50b6f
1 changed files with 7 additions and 0 deletions
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7
crash_reporter/user_collector.cc
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@ -24,6 +24,7 @@
#include <stdint.h>
#include <sys/cdefs.h> // For __WORDSIZE
#include <sys/types.h> // For getpwuid_r, getgrnam_r, WEXITSTATUS.
#include <unistd.h> // For setgroups
#include <string>
#include <vector>
@ -37,6 +38,7 @@
#include <chromeos/process.h>
#include <chromeos/syslog_logging.h>
#include <cutils/properties.h>
#include <private/android_filesystem_config.h>
static const char kCollectionErrorSignature[] =
"crash_reporter-user-collection";
@ -77,6 +79,11 @@ void UserCollector::Initialize(
core2md_failure_ = core2md_failure;
directory_failure_ = directory_failure;
filter_in_ = filter_in;
gid_t groups[] = { AID_SYSTEM, AID_DBUS };
if (setgroups(arraysize(groups), groups) != 0) {
PLOG(FATAL) << "Unable to set groups to system and dbus";
}
}
UserCollector::~UserCollector() {