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107 lines
3.7 KiB
Groff
107 lines
3.7 KiB
Groff
.\"-
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.\" Copyright (c) 2000 Robert N. M. Watson
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.\" TrustedBSD Project - support for POSIX.1e process capabilities
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.\"
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.Dd April 1, 2000
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.Dt CAP_SET_PROC 3
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.Os FreeBSD 5.0
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.Sh NAME
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.Nm cap_set_proc
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.Nd Set the Process Capability State
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.Sh SYNOPSIS
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.Fd #include <sys/types.h>
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.Fd #include <sys/capability.h>
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.Ft int
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.Fn cap_set_proc "cap_t cap_p"
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.Sh DESCRIPTION
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The function
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.Fn cap_set_proc
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shall set the values for all capability flags for all capabilities defined
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in the implementation with the capability state identified by
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.Ar cap_p .
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The new capability state of the process shall be completely determined by
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the contents of
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.Ar cap_p
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upon successful return from this function.
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If any flag in
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.Ar cap_p
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is set for any capability not currently permitted for the calling process,
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the function shall fail, and the capability state of the process shall
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remain unchanged.
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.Sh IMPLEMENTATION NOTES
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FreeBSD's support for POSIX.1e interfaces and features is still under
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development at this time.
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.Sh RETURN VALUES
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Upon successful completion, this function shall return a value of zero.
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Otherwise, a value of -1 shall be returned and
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.Ar errno
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shall be set to indicate the error.
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Neither the state represented in the object identified by
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.Ar cap_p
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nor the capability state of the calling process shall be affected if the
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return value is -1.
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.Sh ERRORS
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If any of the following conditions occur, the
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.Fn cap_set_proc
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function shall return -1 and set
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.Ar errno
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to the corresponding value:
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.Bl -tag -width Er
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.It Bq Er EINVAL
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The value of the
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.Ar cap_p
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argument does not refer to a capability state in working storage.
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.It Bq Er EPERM
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The caller attempted to set a capability flag of a capability that was not
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permitted to the invoking process.
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.It Bq Er ENOMEM
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This function requires more memory than is allowed by the hardware or
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system-imposed memory management constraints.
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.El
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.Sh SEE ALSO
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.Xr cap 3 ,
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.Xr cap_get_proc 3 ,
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.Xr posix1e 3
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.Sh STANDARDS
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POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion
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of the draft continues on the cross-platform POSIX.1e implementation
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mailing list. To join this list, see the
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.Fx
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POSIX.1e implementation
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page for more information.
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.Sh HISTORY
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Support for POSIX.1e Capabilities was developed as part of the TrustedBSD
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Project.
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POSIX.1e Capability support was introduced in
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.Fx 5.0 ,
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and development continues.
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.Sh AUTHORS
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.An Robert N M Watson
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.Sh BUGS
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These features are not yet fully implemented.
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