18582ede05
When an abstract unix socket is bound by HAProxy (using "abns@" prefix), NUL bytes are appended at the end of its path until sun_path is filled (for a total of 108 characters). Here we add an alternative to pass only the non-NUL length of that path to connect/bind calls, such that the effective path of the socket's name is as humanly written. This may be useful to interconnect with existing softwares that implement abstract sockets with this logic instead of the default haproxy one. This is achieved by implementing the "abnsz" socket prefix (instead of "abns"), which stands for "zero-terminated ABNS". "abnsz" prefix may be used anywhere "abns" is. Internally, haproxy uses the custom socket family (AF_CUST_ABNS vs AF_CUST_ABNSZ) to differentiate default abns sockets from zero-terminated ones. Documentation was updated and regtest was added. Fixes GH issues #977 and #2479 Co-authored-by: Aurelien DARRAGON <adarragon@haproxy.com> |
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