getsockcreatecon(3) — Linux manual page


getsockcreatecon(3)     SELinux API documentation    getsockcreatecon(3)

NAME         top

       getsockcreatecon, setsockcreatecon - get or set the SELinux
       security context used for creating a new labeled sockets

SYNOPSIS         top

       #include <selinux/selinux.h>

       int getsockcreatecon(char **con);

       int getsockcreatecon_raw(char **con);

       int setsockcreatecon(char *context);

       int setsockcreatecon_raw(char *context);

DESCRIPTION         top

       getsockcreatecon() retrieves the context used for creating a new
       labeled network socket.  This returned context should be freed
       with freecon(3) if non-NULL.  getsockcreatecon() sets *con to
       NULL if no sockcreate context has been explicitly set by the
       program (i.e. using the default policy behavior).

       setsockcreatecon() sets the context used for creating a new
       labeled network sockets NULL can be passed to setsockcreatecon()
       to reset to the default policy behavior.  The sockcreate context
       is automatically reset after the next execve(2), so a program
       doesn't need to explicitly sanitize it upon startup.

       setsockcreatecon() can be applied prior to library functions that
       internally perform an file creation, in order to set an file
       context on the objects.

       getsockcreatecon_raw() and setsockcreatecon_raw() behave
       identically to their non-raw counterparts but do not perform
       context translation.

       Note: Signal handlers that perform a setsockcreatecon() must take
       care to save, reset, and restore the sockcreate context to avoid
       unexpected behavior.

       Note: Contexts are thread specific.

RETURN VALUE         top

       On error -1 is returned.  On success 0 is returned.

SEE ALSO         top

       selinux(8), freecon(3), getcon(3)

COLOPHON         top

       This page is part of the selinux (Security-Enhanced Linux user-
       space libraries and tools) project.  Information about the
       project can be found at 
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       This page was obtained from the project's upstream Git repository
       ⟨⟩ on 2023-12-22.  (At
       that time, the date of the most recent commit that was found in
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       (which is not part of the original manual page), send a mail to           24 September 2008        getsockcreatecon(3)