mirror of
https://github.com/Gezine/Luac0re.git
synced 2026-10-22 00:22:26 -05:00
41 lines
1.2 KiB
Lua
41 lines
1.2 KiB
Lua
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function jit_get_error_string()
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local error_addr = jit_libc_error()
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local errno = jit_read64(error_addr)
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local str_addr = libc_strerror(errno)
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return "errno : " .. to_hex(errno) .. "\nerror : " .. read_null_terminated_string(str_addr)
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end
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function jit_send_recv_fd(target_fd, jit_src_sock, main_dest_sock)
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write32(smsg_control + 0, 20) -- cmsg_len
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write32(smsg_control + 4, SOL_SOCKET) -- cmsg_level
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write32(smsg_control + 8, SCM_RIGHTS) -- cmsg_type
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write32(smsg_control + 12, 0) -- padding
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write32(smsg_control + 16, target_fd) -- the fd
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write8(smsg_data, 0)
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write64(smsg_iov, smsg_data)
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write64(smsg_iov + 8, 1)
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write64(smsg_msg + 0x10, smsg_iov)
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write32(smsg_msg + 0x18, 1)
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write64(smsg_msg + 0x20, smsg_control)
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write32(smsg_msg + 0x28, 20)
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local sendmsg_ret = jit_syscall.sendmsg(jit_src_sock, smsg_msg, 0)
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if (sendmsg_ret < 0) then
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send_notification("jit_syscall.sendmsg error: " .. jit_get_error_string())
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return -1
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end
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local received_fd = recv_fd(main_dest_sock)
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if (received_fd < 0) then
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send_notification("recv_fd error: " .. get_error_string())
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return -1
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end
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return received_fd
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end
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