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LibIPC: Make sure FDs survive when passed into a MessageBuffer

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This commit is contained in:
Gunnar Beutner 2021-05-02 12:28:20 +02:00 • committed by Andreas Kling
parent cc6db526a6
commit de9b454f89
3 changed files with 34 additions and 4 deletions
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11
Userland/Libraries/LibIPC/Encoder.cpp
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@ -148,7 +148,16 @@ Encoder& Encoder::operator<<(const Dictionary& dictionary)
Encoder& Encoder::operator<<(const File& file)
{
m_buffer.fds.append(file.fd());
int fd = file.fd();
if (fd != -1) {
auto result = dup(fd);
if (result < 0) {
perror("dup");
VERIFY_NOT_REACHED();
}
fd = result;
}
m_buffer.fds.append(adopt_ref(*new AutoCloseFileDescriptor(fd)));
return *this;
}