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Add support to get process name on FreeBSD

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This commit is contained in:
Baptiste Daroussin 2023-11-02 11:56:23 +01:00 committed by Jonathan White
parent c0b71126bd
commit af4bc3e194
1 changed files with 16 additions and 0 deletions
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16
src/fdosecrets/dbus/DBusMgr.cpp
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@ -26,6 +26,11 @@
#include "core/Entry.h"
#include "core/Tools.h"
#ifdef __FreeBSD__
#include <string.h>
#include <sys/sysctl.h>
#endif
namespace FdoSecrets
{
static const auto IntrospectionService = R"xml(
@ -175,7 +180,18 @@ namespace FdoSecrets
// The /proc/pid/exe link is more reliable than /proc/pid/cmdline
// It's still weak and if the application does a prctl(PR_SET_DUMPABLE, 0) this link cannot be accessed.
#ifdef __FreeBSD__
const int mib[] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, static_cast<int>(info.pid)};
char buffer[2048];
size_t size = sizeof(buffer);
if (sysctl(mib, 4, buffer, &size, NULL, 0) != 0) {
strlcpy(buffer, "Invalid path", sizeof(buffer));
}
QFileInfo exe(buffer);
#else
QFileInfo exe(QStringLiteral("/proc/%1/exe").arg(pid));
#endif
info.exePath = exe.canonicalFilePath();
// /proc/pid/cmdline gives full command line