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       aa_getprocattr_raw, aa_getprocattr - read and parse procattr data

       aa_getcon, aa_gettaskcon - get task confinement information

       aa_getpeercon - get the confinement of a socket's other end (peer)

       org.freedesktop.DBus.GetConnectionAppArmorSecurityContext - get the
       task confinement of a D-Bus connection's owner


       #include <sys/apparmor.h>

       int aa_getprocattr_raw(pid_t tid, const char *attr, char *buf, int len,
       char **mode);

       int aa_getprocattr(pid_t tid, const char *attr, char **con, char

       int aa_gettaskcon(pid_t target, char **con, char **mode);

       int aa_getcon(char **con, char **mode);

       int aa_getpeercon_raw(int fd, char *buf, int *len, char **mode);

       int aa_getpeercon(int fd, char **con, char **mode);

       Link with -lapparmor when compiling.

       Additionally, a D-Bus method is available:

       STRING org.freedesktop.DBus.GetConnectionAppArmorSecurityContext(in
       STRING name)


       The aa_getcon function gets the current AppArmor confinement context
       for the current task.  The confinement context is usually just the name
       of the AppArmor profile restricting the task, but it may include the
       profile namespace or in some cases a set of profile names (known as a
       stack of profiles).  The returned string *con should be freed using
       free(), but the returned string *mode should not be freed. The *con and
       *mode strings come from a single buffer allocation and are separated by
       a NUL character.

       The aa_gettaskcon function is like the aa_getcon function except it
       will work for any arbitrary task in the system.

       The aa_getpeercon function is similar to that of aa_gettaskcon except
       that it returns the confinement information for task on the other end
       of a socket connection.

       The aa_getpeercon_raw function is the backend for the aa_getpeercon
       function and does not handle buffer allocation.

       The aa_getprocattr function is the backend for the aa_getcon and
       aa_gettaskcon functions and handles the reading and parsing of the
       confinement data from different arbitrary attr files and returns the
       processed results in an allocated buffer.

       The aa_getprocattr_raw() is the backend for the aa_getprocattr function
       and does not handle buffer allocation.

       The org.freedesktop.DBus.GetConnectionAppArmorSecurityContext() D-Bus
       method gets the AppArmor confinement string associated with the unique
       connection name. If D-Bus is not performing AppArmor mediation, the
       org.freedesktop.DBus.Error.AppArmorSecurityContextUnknown error is


       On success size of data placed in the buffer is returned, this includes
       the mode if present and any terminating characters. On error, -1 is
       returned, and errno(3) is set appropriately.


           The apparmor kernel module is not loaded or the communication via
           the /proc/*/attr/file did not conform to protocol.

           Insufficient kernel memory was available.

           Access to the specified file/task was denied.

           The specified file/task does not exist or is not visible.

           The confinement data is too large to fit in the supplied buffer.


       If aa_getpeercon_raw returns -1 and errno is ERANGE, the value of *len
       can be used to reallocate buf so that it is sufficiently large enough
       to store the confinement data.


       None known. If you find any, please report them at


       apparmor(7), apparmor.d(5), apparmor_parser(8), aa_change_profile(2)
       and <>.

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