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Add basic credential support and splat tests.

Browse Source 
The previous credential implementation simply provided the needed types and
a couple of dummy functions needed.  This update correctly ties the basic
Solaris credential API in to one of two Linux kernel APIs.

Prior to 2.6.29 the linux kernel embeded all credentials in the task
structure.  For these kernels, we pass around the entire task struct as if
it were the credential, then we use the helper functions to extract the
credential related bits.

As of 2.6.29 a new credential type was added which we can and do fairly
cleanly layer on top of.  Once again the helper functions nicely hide
the implementation details from all callers.

Three tests were added to the splat test framework to verify basic
correctness.  They should be extended as needed when need credential
functions are added.
This commit is contained in:
Brian Behlendorf
2009-07-27 17:18:59 -07:00
parent 3d0cb2d31d
commit ec7d53e99a
13 changed files with 839 additions and 56 deletions
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configure
Vendored
+214
View File
@@ -21342,6 +21342,113 @@ fi
echo "$as_me:$LINENO: checking whether struct cred exists" >&5
echo $ECHO_N "checking whether struct cred exists... $ECHO_C" >&6
cat >conftest.c <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <linux/cred.h>
int
main (void)
{
struct cred *cr;
cr = NULL;
;
return 0;
}
_ACEOF
rm -Rf build && mkdir -p build
echo "obj-m := conftest.o" >build/Makefile
if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6
cat >>confdefs.h <<\_ACEOF
#define HAVE_CRED_STRUCT 1
_ACEOF
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6
fi
rm -Rf build
echo "$as_me:$LINENO: checking whether symbol groups_search is exported" >&5
echo $ECHO_N "checking whether symbol groups_search is exported... $ECHO_C" >&6
grep -q -E '[[:space:]]groups_search[[:space:]]' \
$LINUX_OBJ/Module*.symvers 2>/dev/null
rc=$?
if test $rc -ne 0; then
export=0
for file in ; do
grep -q -E "EXPORT_SYMBOL.*(groups_search)" \
"$LINUX_OBJ/$file" 2>/dev/null
rc=$?
if test $rc -eq 0; then
export=1
break;
fi
done
if test $export -eq 0; then
echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6
else
echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6
cat >>confdefs.h <<\_ACEOF
#define HAVE_GROUPS_SEARCH 1
_ACEOF
fi
else
echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6
cat >>confdefs.h <<\_ACEOF
#define HAVE_GROUPS_SEARCH 1
_ACEOF
fi
;;
user) ;;
all)
@@ -23736,6 +23843,113 @@ fi
echo "$as_me:$LINENO: checking whether struct cred exists" >&5
echo $ECHO_N "checking whether struct cred exists... $ECHO_C" >&6
cat >conftest.c <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <linux/cred.h>
int
main (void)
{
struct cred *cr;
cr = NULL;
;
return 0;
}
_ACEOF
rm -Rf build && mkdir -p build
echo "obj-m := conftest.o" >build/Makefile
if { ac_try='cp conftest.c build && make modules -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM M=$PWD/build'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } >/dev/null && { ac_try='test -s build/conftest.o'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6
cat >>confdefs.h <<\_ACEOF
#define HAVE_CRED_STRUCT 1
_ACEOF
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6
fi
rm -Rf build
echo "$as_me:$LINENO: checking whether symbol groups_search is exported" >&5
echo $ECHO_N "checking whether symbol groups_search is exported... $ECHO_C" >&6
grep -q -E '[[:space:]]groups_search[[:space:]]' \
$LINUX_OBJ/Module*.symvers 2>/dev/null
rc=$?
if test $rc -ne 0; then
export=0
for file in ; do
grep -q -E "EXPORT_SYMBOL.*(groups_search)" \
"$LINUX_OBJ/$file" 2>/dev/null
rc=$?
if test $rc -eq 0; then
export=1
break;
fi
done
if test $export -eq 0; then
echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6
else
echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6
cat >>confdefs.h <<\_ACEOF
#define HAVE_GROUPS_SEARCH 1
_ACEOF
fi
else
echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6
cat >>confdefs.h <<\_ACEOF
#define HAVE_GROUPS_SEARCH 1
_ACEOF
fi
;;
*)
echo "$as_me:$LINENO: result: Error!" >&5