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agent: Minor cleanup of the TPM patches.

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* configure.ac (AC_CHECK_HEADERS): Add tss2/tss.h.
* agent/divert-tpm2.c: Print an error if that file is not available.
* agent/Makefile.am (gpg_agent_SOURCES): Add tpm.h
* agent/command.c (do_one_keyinfo): Replace xstrdup by xtrystrdup.
* agent/protect.c (agent_get_shadow_info_type): Check error of
xtrystrdup.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2018-03-09 10:36:14 +01:00
parent 72ece35fb7
commit fb0470a9f5
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
5 changed files with 27 additions and 11 deletions
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2
agent/Makefile.am
View File

@ -52,7 +52,7 @@ gpg_agent_SOURCES = \
trustlist.c \
divert-scd.c \
divert-tpm2.c \
tpm2.c \
tpm2.c tpm2.h \
cvt-openpgp.c cvt-openpgp.h \
call-scd.c \
learncard.c

10
agent/command.c
View File

@ -1104,7 +1104,8 @@ do_one_keyinfo (ctrl_t ctrl, const unsigned char *grip, assuan_context_t ctx,
char hexgrip[40+1];
char *fpr = NULL;
int keytype;
unsigned char *shadow_info = NULL, *shadow_info_type = NULL;
unsigned char *shadow_info = NULL;
unsigned char *shadow_info_type = NULL;
char *serialno = NULL;
char *idstr = NULL;
const char *keytypestr;
@ -1194,7 +1195,12 @@ do_one_keyinfo (ctrl_t ctrl, const unsigned char *grip, assuan_context_t ctx,
}
else if (strcmp (shadow_info_type, "tpm2-v1") == 0)
{
serialno = xstrdup("TPM-Protected");
serialno = xtrystrdup("TPM-Protected");
if (!serialno)
{
err = gpg_error_from_syserror ();
goto leave;
}
idstr = NULL;
}
else

6
agent/divert-tpm2.c
View File

@ -8,6 +8,12 @@
#include <unistd.h>
#include <sys/stat.h>
/* FIXME: Until we have a proper checking in configure we give a hint
* on what to do */
#ifndef HAVE_TSS2_TSS_H
# error Please install the libtss2 dev package first
#endif
#include "agent.h"
#include "../common/i18n.h"
#include "../common/sexp-parse.h"

8
agent/protect.c
View File

@ -1559,6 +1559,7 @@ agent_shadow_key_type (const unsigned char *pubkey,
/* Calculate required length by taking in account: the "shadowed-"
prefix, the "shadowed", shadow type as well as some parenthesis */
/* FIXME: We should use membuf functions here. */
n = 12 + pubkey_len + 1 + 3+8 + 2+5 + shadow_info_len + 1;
*result = xtrymalloc (n);
p = (char*)*result;
@ -1643,9 +1644,12 @@ agent_get_shadow_info_type (const unsigned char *shadowkey,
n = snext (&s);
if (!n)
return gpg_error (GPG_ERR_INV_SEXP);
if (shadow_type) {
if (shadow_type)
{
char *buf = xtrymalloc(n+1);
memcpy(buf, s, n);
if (!buf)
return gpg_error_from_syserror ();
memcpy (buf, s, n);
buf[n] = '\0';
*shadow_type = buf;
}

2
configure.ac
View File

@ -1301,7 +1301,7 @@ AC_HEADER_STDC
AC_CHECK_HEADERS([string.h unistd.h langinfo.h termio.h locale.h getopt.h \
pty.h utmp.h pwd.h inttypes.h signal.h sys/select.h \
stdint.h signal.h util.h libutil.h termios.h \
ucred.h sys/ucred.h sys/sysmacros.h sys/mkdev.h])
ucred.h sys/ucred.h sys/sysmacros.h sys/mkdev.h tss2/tss.h])
AC_HEADER_TIME