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Ivan Delalande says: ==================== inet_diag: report TCP MD5 signing keys and addresses Allow userspace to retrieve MD5 signature keys and addresses configured on TCP sockets through inet_diag. Thanks to Eric Dumazet and Stephen Hemminger for their useful explanations and feedback. v5: - memset the whole netlink payload after it has been nla_reserve-d in tcp_diag_put_md5sig (a third memset had to be added for tcpm_key so we might as well have just one for entire region). - move the nla_total_size call from inet_sk_attr_size to the idiag_get_aux_size defined by protocols as they could add multiple netlink attributes, - add check for net_admin in tcp_diag_get_aux_size. v4: - add new struct tcp_diag_md5sig to report the data instead of tcp_md5sig to avoid wasting 112 bytes on every tcpm_addr, - memset tcpm_addr on IPv4 addresses to avoid leaks, - style fix in inet_diag_dump_one_icsk. v3: - rename inet_diag_*md5sig in tcp_diag.c to tcp_diag_* for consistency, - don't lock the socket in tcp_diag_put_md5sig, - add checks on md5sig_count in tcp_diag_put_md5sig to not create the netlink attribute if the list is empty, and to avoid overflows or memory leaks if the list has changed in the meantime. v2: - move changes to tcp_diag.c and extend inet_diag_handler to allow protocols to provide additional data on INET_DIAG_INFO, - lock socket before calling tcp_diag_put_md5sig. I also have a patch for iproute2/ss to test this change, making it print this new attribute. I'm planning to polish and send it if this series gets applied. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
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README |
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.