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o Add cap_from_text(3) and cap_to_text(3) man pages. 

o Implementations will remain in the seperately distributed capability
  patch until the cap_t type changes are synchronized.

Obtained from:	TrustedBSD Project
This commit is contained in:
Robert Watson 2000-09-19 19:04:47 +00:00
parent d94de3e80f
commit 579f01fcfe
6 changed files with 464 additions and 0 deletions
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2
lib/libc/posix1e/Makefile
View File

@ -40,11 +40,13 @@ MAN3= acl.3 \
cap_clear.3 \
cap_dup.3 \
cap_free.3 \
cap_from_text.3 \
cap_get_flag.3 \
cap_get_proc.3 \
cap_init.3 \
cap_set_flag.3 \
cap_set_proc.3 \
cap_to_text.3 \
posix1e.3
MLINKS+=acl_delete.3 acl_delete_def_file.3 \

107
lib/libc/posix1e/cap_from_text.3 Normal file
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@ -0,0 +1,107 @@
.\"-
.\" Copyright (c) 2000 Robert N. M. Watson
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd September 18, 2000
.Dt CAP_FROM_TEXT 3
.Os FreeBSD 5.0
.Sh NAME
.Nm cap_from_text
.Nd Convert Text to a Capability State in Working Store
.Sh LIBRARY
.Lb libposix1e
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <sys/capability.h>
.Ft cap_t
.Fn cap_from_text "const char *buf_p"
.Sh DESCRIPTION
This function allocates and initializes a capability state in working
storage.
It then sets the contents of this newly created capability state to the
state represented by the human-readable, null terminated character string
pointed to by
.Va buf_p .
.Pp
This function may cause memory to be allocated.
The caller should free any releasable memory, when the capability state in
working storage is no longer required, by calling
.Xr cap_free 3
with the
.Va (void *)cap_t
as an argument.
.Sh IMPLEMENTATION NOTES
FreeBSD's support for POSIX.1e interfaces and features is still under
development at this time.
.Sh RETURN VALUES
Upon successful completion, the function returns a pointer to the
internal representation of the capability in working storage.
Otherwise, a value of
.Va (cap_t)NULL
is returned, and
.Va errno
is set to indicate the error.
.Sh ERRORS
If any of the following conditions occur, the
.Fn cap_from_text
function shall return a value of
.Va (cap_t)NULL
and set
.Va errno
to the corresponding value:
.Bl -tag -width Er
.It Bq Er EINVAL
The
.Va buf_p
argument does not refer to a character string, the string pointed to by
.Va buf_p
is not parseable by the function, the text string contains a
capability name or a flag character that the implementation does not
recognize as valid.
.It Bq Er ENOMEM
The capability state to be returned requires more memory than is allowed
by the hardware or system-imposed memory management constraints.
.El
.Sh SEE ALSO
.Xr cap 3 ,
.Xr cap_free 3 ,
.Xr cap_init 3 ,
.Xr cap_set_flag 3 ,
.Xr cap_to_text 3 ,
.Xr posix1e 3
.Sh STANDARDS
POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion
of the draft continues on the cross-platform POSIX.1e implementation
mailing list. To join this list, see the
.Fx
POSIX.1e implementation
page for more information.
.Sh HISTORY
POSIX.1e support was introduced in
.Fx 4.0 ,
and development continues.
.Sh AUTHORS
.An Robert N M Watson

123
lib/libc/posix1e/cap_to_text.3 Normal file
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@ -0,0 +1,123 @@
.\"-
.\" Copyright (c) 2000 Robert N. M. Watson
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd September 18, 2000
.Dt CAP_TO_TEXT 3
.Os FreeBSD 5.0
.Sh NAME
.Nm cap_to_text
.Nd Convert a Capability State in Working Storage to Text
.Sh LIBRARY
.Lb libposix1e
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <sys/capability.h>
.Ft char *
.Fn cap_to_text "cap_t cap_p" "size_t *len_p"
.Sh DESCRIPTION
The
.Fn cap_to_text
function converts the capability state in working storage identified by
.Va cap_p
into a null terminated human-readable string.
This function allocates any memory necessary to contain the string, and
returns a pointer to the string.
If the pointer
.Va len_p
if not
.Va (size_t)NULL ,
the function shall also return the full length of the string (not including
null terminator) in the location pointed to by
.Va len_p .
The capability state in working storage idenfied by
.Va cap_p
shall be completely represented in the returned string.
This function may cause memory to be allocated.
The caller should free any releasable memory, when the capability state
in working memory is no longer required, by calling
.Xr cap_free 3
with the
.Va cap_t
as an argument.
.Sh IMPLEMENTATION NOTES
FreeBSD's support for POSIX.1e interfaces and features is still under
development at this time.
.Sh RETURN VALUES
Upon successful completion, the function shall return a pointer to the
text form of the capability state.
Otherwise, a value of
.Va (char *)NULL
shall be returned, and
.Va errno
set to indicate the error.
.Sh ERRORS
If any of the following conditions occur, the
.Fn cap_to_text
function shall return a value of
.Va (cap_t)NULL
and set
.Va errno
to the corresponding value:
.Bl -tag -width Er
.It Bq Er EINVAL
Either the
.Va cap_p
argument does not refer to a capability state in working storage
or the
.Va len_p
argument is invalid, or both.
.It Bq Er ENOMEM
The string to be returned requires more memory than is allowed by the
hardware or system-imposed memory management constraints.
.El
.Sh SEE ALSO
.Xr cap 3 ,
.Xr cap_free 3 ,
.Xr cap_from_text 3 ,
.Xr cap_get_flag 3 ,
.Xr posix1e 3
.Sh STANDARDS
POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion
of the draft continues on the cross-platform POSIX.1e implementation
mailing list. To join this list, see the
.Fx
POSIX.1e implementation
page for more information.
.Sh HISTORY
POSIX.1e support was introduced in
.Fx 4.0 ,
and development continues.
.Sh AUTHORS
.An Robert N M Watson
.Sh BUGS
.Fn cap_to_text
uses a bounded size (1024 byte) buffer in which to assemble the resulting
text string.
If the string requires more space than that buffer provides,
.Va ENOMEM
will be returned.

2
lib/libposix1e/Makefile
View File

@ -40,11 +40,13 @@ MAN3= acl.3 \
cap_clear.3 \
cap_dup.3 \
cap_free.3 \
cap_from_text.3 \
cap_get_flag.3 \
cap_get_proc.3 \
cap_init.3 \
cap_set_flag.3 \
cap_set_proc.3 \
cap_to_text.3 \
posix1e.3
MLINKS+=acl_delete.3 acl_delete_def_file.3 \

107
lib/libposix1e/cap_from_text.3 Normal file
View File

@ -0,0 +1,107 @@
.\"-
.\" Copyright (c) 2000 Robert N. M. Watson
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd September 18, 2000
.Dt CAP_FROM_TEXT 3
.Os FreeBSD 5.0
.Sh NAME
.Nm cap_from_text
.Nd Convert Text to a Capability State in Working Store
.Sh LIBRARY
.Lb libposix1e
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <sys/capability.h>
.Ft cap_t
.Fn cap_from_text "const char *buf_p"
.Sh DESCRIPTION
This function allocates and initializes a capability state in working
storage.
It then sets the contents of this newly created capability state to the
state represented by the human-readable, null terminated character string
pointed to by
.Va buf_p .
.Pp
This function may cause memory to be allocated.
The caller should free any releasable memory, when the capability state in
working storage is no longer required, by calling
.Xr cap_free 3
with the
.Va (void *)cap_t
as an argument.
.Sh IMPLEMENTATION NOTES
FreeBSD's support for POSIX.1e interfaces and features is still under
development at this time.
.Sh RETURN VALUES
Upon successful completion, the function returns a pointer to the
internal representation of the capability in working storage.
Otherwise, a value of
.Va (cap_t)NULL
is returned, and
.Va errno
is set to indicate the error.
.Sh ERRORS
If any of the following conditions occur, the
.Fn cap_from_text
function shall return a value of
.Va (cap_t)NULL
and set
.Va errno
to the corresponding value:
.Bl -tag -width Er
.It Bq Er EINVAL
The
.Va buf_p
argument does not refer to a character string, the string pointed to by
.Va buf_p
is not parseable by the function, the text string contains a
capability name or a flag character that the implementation does not
recognize as valid.
.It Bq Er ENOMEM
The capability state to be returned requires more memory than is allowed
by the hardware or system-imposed memory management constraints.
.El
.Sh SEE ALSO
.Xr cap 3 ,
.Xr cap_free 3 ,
.Xr cap_init 3 ,
.Xr cap_set_flag 3 ,
.Xr cap_to_text 3 ,
.Xr posix1e 3
.Sh STANDARDS
POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion
of the draft continues on the cross-platform POSIX.1e implementation
mailing list. To join this list, see the
.Fx
POSIX.1e implementation
page for more information.
.Sh HISTORY
POSIX.1e support was introduced in
.Fx 4.0 ,
and development continues.
.Sh AUTHORS
.An Robert N M Watson

123
lib/libposix1e/cap_to_text.3 Normal file
View File

@ -0,0 +1,123 @@
.\"-
.\" Copyright (c) 2000 Robert N. M. Watson
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd September 18, 2000
.Dt CAP_TO_TEXT 3
.Os FreeBSD 5.0
.Sh NAME
.Nm cap_to_text
.Nd Convert a Capability State in Working Storage to Text
.Sh LIBRARY
.Lb libposix1e
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <sys/capability.h>
.Ft char *
.Fn cap_to_text "cap_t cap_p" "size_t *len_p"
.Sh DESCRIPTION
The
.Fn cap_to_text
function converts the capability state in working storage identified by
.Va cap_p
into a null terminated human-readable string.
This function allocates any memory necessary to contain the string, and
returns a pointer to the string.
If the pointer
.Va len_p
if not
.Va (size_t)NULL ,
the function shall also return the full length of the string (not including
null terminator) in the location pointed to by
.Va len_p .
The capability state in working storage idenfied by
.Va cap_p
shall be completely represented in the returned string.
This function may cause memory to be allocated.
The caller should free any releasable memory, when the capability state
in working memory is no longer required, by calling
.Xr cap_free 3
with the
.Va cap_t
as an argument.
.Sh IMPLEMENTATION NOTES
FreeBSD's support for POSIX.1e interfaces and features is still under
development at this time.
.Sh RETURN VALUES
Upon successful completion, the function shall return a pointer to the
text form of the capability state.
Otherwise, a value of
.Va (char *)NULL
shall be returned, and
.Va errno
set to indicate the error.
.Sh ERRORS
If any of the following conditions occur, the
.Fn cap_to_text
function shall return a value of
.Va (cap_t)NULL
and set
.Va errno
to the corresponding value:
.Bl -tag -width Er
.It Bq Er EINVAL
Either the
.Va cap_p
argument does not refer to a capability state in working storage
or the
.Va len_p
argument is invalid, or both.
.It Bq Er ENOMEM
The string to be returned requires more memory than is allowed by the
hardware or system-imposed memory management constraints.
.El
.Sh SEE ALSO
.Xr cap 3 ,
.Xr cap_free 3 ,
.Xr cap_from_text 3 ,
.Xr cap_get_flag 3 ,
.Xr posix1e 3
.Sh STANDARDS
POSIX.1e is described in IEEE POSIX.1e draft 17. Discussion
of the draft continues on the cross-platform POSIX.1e implementation
mailing list. To join this list, see the
.Fx
POSIX.1e implementation
page for more information.
.Sh HISTORY
POSIX.1e support was introduced in
.Fx 4.0 ,
and development continues.
.Sh AUTHORS
.An Robert N M Watson
.Sh BUGS
.Fn cap_to_text
uses a bounded size (1024 byte) buffer in which to assemble the resulting
text string.
If the string requires more space than that buffer provides,
.Va ENOMEM
will be returned.