--- /dev/null
+.\" Automatically generated by Pod::Man 2.28 (Pod::Simple 3.31)
+.\"
+.\" Standard preamble:
+.\" ========================================================================
+.de Sp \" Vertical space (when we can't use .PP)
+.if t .sp .5v
+.if n .sp
+..
+.de Vb \" Begin verbatim text
+.ft CW
+.nf
+.ne \\$1
+..
+.de Ve \" End verbatim text
+.ft R
+.fi
+..
+.\" Set up some character translations and predefined strings. \*(-- will
+.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
+.\" double quote, and \*(R" will give a right double quote. \*(C+ will
+.\" give a nicer C++. Capital omega is used to do unbreakable dashes and
+.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff,
+.\" nothing in troff, for use with C<>.
+.tr \(*W-
+.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
+.ie n \{\
+. ds -- \(*W-
+. ds PI pi
+. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
+. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch
+. ds L" ""
+. ds R" ""
+. ds C` ""
+. ds C' ""
+'br\}
+.el\{\
+. ds -- \|\(em\|
+. ds PI \(*p
+. ds L" ``
+. ds R" ''
+. ds C`
+. ds C'
+'br\}
+.\"
+.\" Escape single quotes in literal strings from groff's Unicode transform.
+.ie \n(.g .ds Aq \(aq
+.el .ds Aq '
+.\"
+.\" If the F register is turned on, we'll generate index entries on stderr for
+.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
+.\" entries marked with X<> in POD. Of course, you'll have to process the
+.\" output yourself in some meaningful fashion.
+.\"
+.\" Avoid warning from groff about undefined register 'F'.
+.de IX
+..
+.nr rF 0
+.if \n(.g .if rF .nr rF 1
+.if (\n(rF:(\n(.g==0)) \{
+. if \nF \{
+. de IX
+. tm Index:\\$1\t\\n%\t"\\$2"
+..
+. if !\nF==2 \{
+. nr % 0
+. nr F 2
+. \}
+. \}
+.\}
+.rr rF
+.\"
+.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
+.\" Fear. Run. Save yourself. No user-serviceable parts.
+. \" fudge factors for nroff and troff
+.if n \{\
+. ds #H 0
+. ds #V .8m
+. ds #F .3m
+. ds #[ \f1
+. ds #] \fP
+.\}
+.if t \{\
+. ds #H ((1u-(\\\\n(.fu%2u))*.13m)
+. ds #V .6m
+. ds #F 0
+. ds #[ \&
+. ds #] \&
+.\}
+. \" simple accents for nroff and troff
+.if n \{\
+. ds ' \&
+. ds ` \&
+. ds ^ \&
+. ds , \&
+. ds ~ ~
+. ds /
+.\}
+.if t \{\
+. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u"
+. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u'
+. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u'
+. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u'
+. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u'
+. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u'
+.\}
+. \" troff and (daisy-wheel) nroff accents
+.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V'
+.ds 8 \h'\*(#H'\(*b\h'-\*(#H'
+.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#]
+.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H'
+.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u'
+.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#]
+.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#]
+.ds ae a\h'-(\w'a'u*4/10)'e
+.ds Ae A\h'-(\w'A'u*4/10)'E
+. \" corrections for vroff
+.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u'
+.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u'
+. \" for low resolution devices (crt and lpr)
+.if \n(.H>23 .if \n(.V>19 \
+\{\
+. ds : e
+. ds 8 ss
+. ds o a
+. ds d- d\h'-1'\(ga
+. ds D- D\h'-1'\(hy
+. ds th \o'bp'
+. ds Th \o'LP'
+. ds ae ae
+. ds Ae AE
+.\}
+.rm #[ #] #H #V #F C
+.\" ========================================================================
+.\"
+.IX Title "TPMLIB_GetInfo 3"
+.TH TPMLIB_GetInfo 3 "2018-04-23" "libtpms" ""
+.\" For nroff, turn off justification. Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH "NAME"
+TPMLIB_GetInfo \- Get Information about the TPM implementation
+.SH "LIBRARY"
+.IX Header "LIBRARY"
+\&\s-1TPM\s0 library (libtpms, \-ltpms)
+.SH "SYNOPSIS"
+.IX Header "SYNOPSIS"
+\&\fB#include <libtpms/tpm_library.h\fR>
+.PP
+\&\fBchar *TPMLIB_GetInfo(TPMLIB_InfoFlags flags);\fR
+.SH "DESCRIPTION"
+.IX Header "DESCRIPTION"
+The \fB\f(BITPMLIB_GetInfo()\fB\fR function allows to query for \s-1TPM\s0 implementation
+specifics and get a \s-1JSON\s0 string in return. Which data is to be returned
+can be specified in the flags parameter that may be a logical 'or' concatenation
+of flags. If passed flags are not supported, nothing is returned . If a 0 is
+passed in, an empty \s-1JSON\s0 Object '{}' is returned.
+.PP
+The following flags are defined and return \s-1JSON\s0 objects as shown:
+.IP "\fB\s-1TPMLIB_INFO_TPMSPECIFICATION\s0\fR" 4
+.IX Item "TPMLIB_INFO_TPMSPECIFICATION"
+{\*(L"TPMSpecification\*(R":{\*(L"family\*(R":\*(L"1.2\*(R",\*(L"level\*(R":2,\*(L"revision\*(R":116}}
+.SH "RETURN VALUE"
+.IX Header "RETURN VALUE"
+This function returns a \s-1JSON\s0 string on success and a \s-1NULL\s0 pointer if a memory
+allocation failure occurred.
+.PP
+The caller must \fIfree()\fR the returned string.
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
--- /dev/null
+=head1 NAME
+
+TPMLIB_GetInfo - Get Information about the TPM implementation
+
+=head1 LIBRARY
+
+TPM library (libtpms, -ltpms)
+
+=head1 SYNOPSIS
+
+B<#include <libtpms/tpm_library.h>>
+
+B<char *TPMLIB_GetInfo(TPMLIB_InfoFlags flags);>
+
+=head1 DESCRIPTION
+
+The B<TPMLIB_GetInfo()> function allows to query for TPM implementation
+specifics and get a JSON string in return. Which data is to be returned
+can be specified in the flags parameter that may be a logical 'or' concatenation
+of flags. If passed flags are not supported, nothing is returned . If a 0 is
+passed in, an empty JSON Object '{}' is returned.
+
+The following flags are defined and return JSON objects as shown:
+
+=over 4
+
+=item B<TPMLIB_INFO_TPMSPECIFICATION>
+
+{"TPMSpecification":{"family":"1.2","level":2,"revision":116}}
+
+=back
+
+=head1 RETURN VALUE
+
+This function returns a JSON string on success and a NULL pointer if a memory
+allocation failure occurred.
+
+The caller must free() the returned string.
+
+=head1 SEE ALSO
+
+=cut
#include <config.h>
+#define _GNU_SOURCE
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#include "tpm12/tpm_debug.h"
#include "tpm_error.h"
return TPM_SUCCESS;
}
+/*
+ * TPM12_GetInfo:
+ *
+ * @flags: logical or of flags that query for information
+ *
+ * Return a JSON document with contents queried for by the user's passed flags
+ */
+char *TPM12_GetInfo(enum TPMLIB_InfoFlags flags)
+{
+ const char *tpmspec =
+ "\"TPMSpecification\":{"
+ "\"family\":\"1.2\","
+ "\"level\":2,"
+ "\"revision\":116"
+ "}";
+ char *fmt = NULL, *buffer;
+
+ if (!(buffer = strdup("{%s%s}")))
+ return NULL;
+
+ if ((flags & TPMLIB_INFO_TPMSPECIFICATION)) {
+ fmt = buffer;
+ buffer = NULL;
+ if (asprintf(&buffer, fmt, tpmspec, "%s%s") < 0)
+ goto error;
+ free(fmt);
+ }
+
+ /* nothing else to add */
+ fmt = buffer;
+ buffer = NULL;
+ if (asprintf(&buffer, fmt, "","") < 0)
+ goto error;
+ free(fmt);
+
+ return buffer;
+
+error:
+ free(fmt);
+ free(buffer);
+
+ return NULL;
+}
+
static uint32_t tpm12_buffersize = TPM_BUFFER_MAX;
uint32_t TPM12_SetBufferSize(uint32_t wanted_size,
.Process = TPM12_Process,
.VolatileAllStore = TPM12_VolatileAllStore,
.GetTPMProperty = TPM12_GetTPMProperty,
+ .GetInfo = TPM12_GetInfo,
.TpmEstablishedGet = TPM12_IO_TpmEstablished_Get,
.HashStart = TPM12_IO_Hash_Start,
.HashData = TPM12_IO_Hash_Data,
projects / libtpms.git / commitdiff