From 14310dab1698da8afbc107c5c76a3c01c9aeb20e Mon Sep 17 00:00:00 2001
From: Sumit Bose <sbose@redhat.com>
Date: Tue, 24 Feb 2015 15:33:39 +0100
Subject: [PATCH] extdom: handle ERANGE return code for getXXYYY_r() calls
The getXXYYY_r() calls require a buffer to store the variable data of
the passwd and group structs. If the provided buffer is too small ERANGE
is returned and the caller can try with a larger buffer again.
Cmocka/cwrap based unit-tests for get*_r_wrapper() are added.
Resolves https://fedorahosted.org/freeipa/ticket/4908
Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>
---
.../ipa-slapi-plugins/ipa-extdom-extop/Makefile.am | 31 ++-
.../ipa-extdom-extop/ipa_extdom.h | 9 +
.../ipa-extdom-extop/ipa_extdom_cmocka_tests.c | 226 +++++++++++++++
.../ipa-extdom-extop/ipa_extdom_common.c | 309 +++++++++++++++------
.../ipa-extdom-extop/test_data/group | 2 +
.../ipa-extdom-extop/test_data/passwd | 2 +
.../ipa-extdom-extop/test_data/test_setup.sh | 3 +
7 files changed, 498 insertions(+), 84 deletions(-)
create mode 100644 daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_cmocka_tests.c
create mode 100644 daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/group
create mode 100644 daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/passwd
create mode 100644 daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/test_setup.sh
diff --git a/daemons/ipa-slapi-plugins/ipa-extdom-extop/Makefile.am b/daemons/ipa-slapi-plugins/ipa-extdom-extop/Makefile.am
index 0008476796f5b20f62f2c32e7b291b787fa7a6fc..a1679812ef3c5de8c6e18433cbb991a99ad0b6c8 100644
--- a/daemons/ipa-slapi-plugins/ipa-extdom-extop/Makefile.am
+++ b/daemons/ipa-slapi-plugins/ipa-extdom-extop/Makefile.am
@@ -35,9 +35,20 @@ libipa_extdom_extop_la_LIBADD = \
$(SSSNSSIDMAP_LIBS) \
$(NULL)
+TESTS =
+check_PROGRAMS =
+
if HAVE_CHECK
-TESTS = extdom_tests
-check_PROGRAMS = extdom_tests
+TESTS += extdom_tests
+check_PROGRAMS += extdom_tests
+endif
+
+if HAVE_CMOCKA
+if HAVE_NSS_WRAPPER
+TESTS_ENVIRONMENT = . ./test_data/test_setup.sh;
+TESTS += extdom_cmocka_tests
+check_PROGRAMS += extdom_cmocka_tests
+endif
endif
extdom_tests_SOURCES = \
@@ -55,6 +66,22 @@ extdom_tests_LDADD = \
$(SSSNSSIDMAP_LIBS) \
$(NULL)
+extdom_cmocka_tests_SOURCES = \
+ ipa_extdom_cmocka_tests.c \
+ ipa_extdom_common.c \
+ $(NULL)
+extdom_cmocka_tests_CFLAGS = $(CMOCKA_CFLAGS)
+extdom_cmocka_tests_LDFLAGS = \
+ -rpath $(shell pkg-config --libs-only-L dirsrv | sed -e 's/-L//') \
+ $(NULL)
+extdom_cmocka_tests_LDADD = \
+ $(CMOCKA_LIBS) \
+ $(LDAP_LIBS) \
+ $(DIRSRV_LIBS) \
+ $(SSSNSSIDMAP_LIBS) \
+ $(NULL)
+
+
appdir = $(IPA_DATA_DIR)
app_DATA = \
ipa-extdom-extop-conf.ldif \
diff --git a/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom.h b/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom.h
index 56ca5009b1aa427f6c059b78ac392c768e461e2e..40bf933920fdd2ca19e5ef195aaa8fb820446cc5 100644
--- a/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom.h
+++ b/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom.h
@@ -174,4 +174,13 @@ int check_request(struct extdom_req *req, enum extdom_version version);
int handle_request(struct ipa_extdom_ctx *ctx, struct extdom_req *req,
struct berval **berval);
int pack_response(struct extdom_res *res, struct berval **ret_val);
+int get_buffer(size_t *_buf_len, char **_buf);
+int getpwnam_r_wrapper(size_t buf_max, const char *name,
+ struct passwd *pwd, char **_buf, size_t *_buf_len);
+int getpwuid_r_wrapper(size_t buf_max, uid_t uid,
+ struct passwd *pwd, char **_buf, size_t *_buf_len);
+int getgrnam_r_wrapper(size_t buf_max, const char *name,
+ struct group *grp, char **_buf, size_t *_buf_len);
+int getgrgid_r_wrapper(size_t buf_max, gid_t gid,
+ struct group *grp, char **_buf, size_t *_buf_len);
#endif /* _IPA_EXTDOM_H_ */
diff --git a/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_cmocka_tests.c b/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_cmocka_tests.c
new file mode 100644
index 0000000000000000000000000000000000000000..d5bacd7e8c9dc0a71eea70162406c7e5b67384ad
--- /dev/null
+++ b/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_cmocka_tests.c
@@ -0,0 +1,226 @@
+/*
+ Authors:
+ Sumit Bose <sbose@redhat.com>
+
+ Copyright (C) 2015 Red Hat
+
+ Extdom tests
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <cmocka.h>
+
+#include <sys/types.h>
+#include <pwd.h>
+
+
+#include "ipa_extdom.h"
+
+#define MAX_BUF (1024*1024*1024)
+
+void test_getpwnam_r_wrapper(void **state)
+{
+ int ret;
+ struct passwd pwd;
+ char *buf;
+ size_t buf_len;
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getpwnam_r_wrapper(MAX_BUF, "non_exisiting_user", &pwd, &buf,
+ &buf_len);
+ assert_int_equal(ret, ENOENT);
+
+ ret = getpwnam_r_wrapper(MAX_BUF, "user", &pwd, &buf, &buf_len);
+ assert_int_equal(ret, 0);
+ assert_string_equal(pwd.pw_name, "user");
+ assert_string_equal(pwd.pw_passwd, "x");
+ assert_int_equal(pwd.pw_uid, 12345);
+ assert_int_equal(pwd.pw_gid, 23456);
+ assert_string_equal(pwd.pw_gecos, "gecos");
+ assert_string_equal(pwd.pw_dir, "/home/user");
+ assert_string_equal(pwd.pw_shell, "/bin/shell");
+ free(buf);
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getpwnam_r_wrapper(MAX_BUF, "user_big", &pwd, &buf, &buf_len);
+ assert_int_equal(ret, 0);
+ assert_string_equal(pwd.pw_name, "user_big");
+ assert_string_equal(pwd.pw_passwd, "x");
+ assert_int_equal(pwd.pw_uid, 12346);
+ assert_int_equal(pwd.pw_gid, 23457);
+ assert_int_equal(strlen(pwd.pw_gecos), 4000 * strlen("gecos"));
+ assert_string_equal(pwd.pw_dir, "/home/user_big");
+ assert_string_equal(pwd.pw_shell, "/bin/shell");
+ free(buf);
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getpwnam_r_wrapper(1024, "user_big", &pwd, &buf, &buf_len);
+ assert_int_equal(ret, ERANGE);
+ free(buf);
+}
+
+void test_getpwuid_r_wrapper(void **state)
+{
+ int ret;
+ struct passwd pwd;
+ char *buf;
+ size_t buf_len;
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getpwuid_r_wrapper(MAX_BUF, 99999, &pwd, &buf, &buf_len);
+ assert_int_equal(ret, ENOENT);
+
+ ret = getpwuid_r_wrapper(MAX_BUF, 12345, &pwd, &buf, &buf_len);
+ assert_int_equal(ret, 0);
+ assert_string_equal(pwd.pw_name, "user");
+ assert_string_equal(pwd.pw_passwd, "x");
+ assert_int_equal(pwd.pw_uid, 12345);
+ assert_int_equal(pwd.pw_gid, 23456);
+ assert_string_equal(pwd.pw_gecos, "gecos");
+ assert_string_equal(pwd.pw_dir, "/home/user");
+ assert_string_equal(pwd.pw_shell, "/bin/shell");
+ free(buf);
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getpwuid_r_wrapper(MAX_BUF, 12346, &pwd, &buf, &buf_len);
+ assert_int_equal(ret, 0);
+ assert_string_equal(pwd.pw_name, "user_big");
+ assert_string_equal(pwd.pw_passwd, "x");
+ assert_int_equal(pwd.pw_uid, 12346);
+ assert_int_equal(pwd.pw_gid, 23457);
+ assert_int_equal(strlen(pwd.pw_gecos), 4000 * strlen("gecos"));
+ assert_string_equal(pwd.pw_dir, "/home/user_big");
+ assert_string_equal(pwd.pw_shell, "/bin/shell");
+ free(buf);
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getpwuid_r_wrapper(1024, 12346, &pwd, &buf, &buf_len);
+ assert_int_equal(ret, ERANGE);
+ free(buf);
+}
+
+void test_getgrnam_r_wrapper(void **state)
+{
+ int ret;
+ struct group grp;
+ char *buf;
+ size_t buf_len;
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getgrnam_r_wrapper(MAX_BUF, "non_exisiting_group", &grp, &buf, &buf_len);
+ assert_int_equal(ret, ENOENT);
+
+ ret = getgrnam_r_wrapper(MAX_BUF, "group", &grp, &buf, &buf_len);
+ assert_int_equal(ret, 0);
+ assert_string_equal(grp.gr_name, "group");
+ assert_string_equal(grp.gr_passwd, "x");
+ assert_int_equal(grp.gr_gid, 11111);
+ assert_string_equal(grp.gr_mem[0], "member0001");
+ assert_string_equal(grp.gr_mem[1], "member0002");
+ assert_null(grp.gr_mem[2]);
+ free(buf);
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getgrnam_r_wrapper(MAX_BUF, "group_big", &grp, &buf, &buf_len);
+ assert_int_equal(ret, 0);
+ assert_string_equal(grp.gr_name, "group_big");
+ assert_string_equal(grp.gr_passwd, "x");
+ assert_int_equal(grp.gr_gid, 22222);
+ assert_string_equal(grp.gr_mem[0], "member0001");
+ assert_string_equal(grp.gr_mem[1], "member0002");
+ free(buf);
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getgrnam_r_wrapper(1024, "group_big", &grp, &buf, &buf_len);
+ assert_int_equal(ret, ERANGE);
+ free(buf);
+}
+
+void test_getgrgid_r_wrapper(void **state)
+{
+ int ret;
+ struct group grp;
+ char *buf;
+ size_t buf_len;
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getgrgid_r_wrapper(MAX_BUF, 99999, &grp, &buf, &buf_len);
+ assert_int_equal(ret, ENOENT);
+
+ ret = getgrgid_r_wrapper(MAX_BUF, 11111, &grp, &buf, &buf_len);
+ assert_int_equal(ret, 0);
+ assert_string_equal(grp.gr_name, "group");
+ assert_string_equal(grp.gr_passwd, "x");
+ assert_int_equal(grp.gr_gid, 11111);
+ assert_string_equal(grp.gr_mem[0], "member0001");
+ assert_string_equal(grp.gr_mem[1], "member0002");
+ assert_null(grp.gr_mem[2]);
+ free(buf);
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getgrgid_r_wrapper(MAX_BUF, 22222, &grp, &buf, &buf_len);
+ assert_int_equal(ret, 0);
+ assert_string_equal(grp.gr_name, "group_big");
+ assert_string_equal(grp.gr_passwd, "x");
+ assert_int_equal(grp.gr_gid, 22222);
+ assert_string_equal(grp.gr_mem[0], "member0001");
+ assert_string_equal(grp.gr_mem[1], "member0002");
+ free(buf);
+
+ ret = get_buffer(&buf_len, &buf);
+ assert_int_equal(ret, 0);
+
+ ret = getgrgid_r_wrapper(1024, 22222, &grp, &buf, &buf_len);
+ assert_int_equal(ret, ERANGE);
+ free(buf);
+}
+
+int main(int argc, const char *argv[])
+{
+ const UnitTest tests[] = {
+ unit_test(test_getpwnam_r_wrapper),
+ unit_test(test_getpwuid_r_wrapper),
+ unit_test(test_getgrnam_r_wrapper),
+ unit_test(test_getgrgid_r_wrapper),
+ };
+
+ return run_tests(tests);
+}
diff --git a/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_common.c b/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_common.c
index 20fdd62b20f28f5384cf83b8be5819f721c6c3db..cbe336963ffbafadd5a7b8029a65fafe506f75e8 100644
--- a/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_common.c
+++ b/daemons/ipa-slapi-plugins/ipa-extdom-extop/ipa_extdom_common.c
@@ -49,6 +49,188 @@
#define MAX(a,b) (((a)>(b))?(a):(b))
#define SSSD_DOMAIN_SEPARATOR '@'
+#define MAX_BUF (1024*1024*1024)
+
+
+
+int get_buffer(size_t *_buf_len, char **_buf)
+{
+ long pw_max;
+ long gr_max;
+ size_t buf_len;
+ char *buf;
+
+ pw_max = sysconf(_SC_GETPW_R_SIZE_MAX);
+ gr_max = sysconf(_SC_GETGR_R_SIZE_MAX);
+
+ buf_len = MAX(16384, MAX(pw_max, gr_max));
+
+ buf = malloc(sizeof(char) * buf_len);
+ if (buf == NULL) {
+ return LDAP_OPERATIONS_ERROR;
+ }
+
+ *_buf_len = buf_len;
+ *_buf = buf;
+
+ return LDAP_SUCCESS;
+}
+
+static int inc_buffer(size_t buf_max, size_t *_buf_len, char **_buf)
+{
+ size_t tmp_len;
+ char *tmp_buf;
+
+ tmp_buf = *_buf;
+ tmp_len = *_buf_len;
+
+ tmp_len *= 2;
+ if (tmp_len > buf_max) {
+ return ERANGE;
+ }
+
+ tmp_buf = realloc(tmp_buf, tmp_len);
+ if (tmp_buf == NULL) {
+ return ENOMEM;
+ }
+
+ *_buf_len = tmp_len;
+ *_buf = tmp_buf;
+
+ return 0;
+}
+
+int getpwnam_r_wrapper(size_t buf_max, const char *name,
+ struct passwd *pwd, char **_buf, size_t *_buf_len)
+{
+ char *buf = NULL;
+ size_t buf_len = 0;
+ int ret;
+ struct passwd *result = NULL;
+
+ buf = *_buf;
+ buf_len = *_buf_len;
+
+ while (buf != NULL
+ && (ret = getpwnam_r(name, pwd, buf, buf_len, &result)) == ERANGE) {
+ ret = inc_buffer(buf_max, &buf_len, &buf);
+ if (ret != 0) {
+ if (ret == ERANGE) {
+ LOG("Buffer too small, increase ipaExtdomMaxNssBufSize.\n");
+ }
+ goto done;
+ }
+ }
+
+ if (ret == 0 && result == NULL) {
+ ret = ENOENT;
+ }
+
+done:
+ *_buf = buf;
+ *_buf_len = buf_len;
+
+ return ret;
+}
+
+int getpwuid_r_wrapper(size_t buf_max, uid_t uid,
+ struct passwd *pwd, char **_buf, size_t *_buf_len)
+{
+ char *buf = NULL;
+ size_t buf_len = 0;
+ int ret;
+ struct passwd *result = NULL;
+
+ buf = *_buf;
+ buf_len = *_buf_len;
+
+ while (buf != NULL
+ && (ret = getpwuid_r(uid, pwd, buf, buf_len, &result)) == ERANGE) {
+ ret = inc_buffer(buf_max, &buf_len, &buf);
+ if (ret != 0) {
+ if (ret == ERANGE) {
+ LOG("Buffer too small, increase ipaExtdomMaxNssBufSize.\n");
+ }
+ goto done;
+ }
+ }
+
+ if (ret == 0 && result == NULL) {
+ ret = ENOENT;
+ }
+
+done:
+ *_buf = buf;
+ *_buf_len = buf_len;
+
+ return ret;
+}
+
+int getgrnam_r_wrapper(size_t buf_max, const char *name,
+ struct group *grp, char **_buf, size_t *_buf_len)
+{
+ char *buf = NULL;
+ size_t buf_len = 0;
+ int ret;
+ struct group *result = NULL;
+
+ buf = *_buf;
+ buf_len = *_buf_len;
+
+ while (buf != NULL
+ && (ret = getgrnam_r(name, grp, buf, buf_len, &result)) == ERANGE) {
+ ret = inc_buffer(buf_max, &buf_len, &buf);
+ if (ret != 0) {
+ if (ret == ERANGE) {
+ LOG("Buffer too small, increase ipaExtdomMaxNssBufSize.\n");
+ }
+ goto done;
+ }
+ }
+
+ if (ret == 0 && result == NULL) {
+ ret = ENOENT;
+ }
+
+done:
+ *_buf = buf;
+ *_buf_len = buf_len;
+
+ return ret;
+}
+
+int getgrgid_r_wrapper(size_t buf_max, gid_t gid,
+ struct group *grp, char **_buf, size_t *_buf_len)
+{
+ char *buf = NULL;
+ size_t buf_len = 0;
+ int ret;
+ struct group *result = NULL;
+
+ buf = *_buf;
+ buf_len = *_buf_len;
+
+ while (buf != NULL
+ && (ret = getgrgid_r(gid, grp, buf, buf_len, &result)) == ERANGE) {
+ ret = inc_buffer(buf_max, &buf_len, &buf);
+ if (ret != 0) {
+ if (ret == ERANGE) {
+ LOG("Buffer too small, increase ipaExtdomMaxNssBufSize.\n");
+ }
+ goto done;
+ }
+ }
+
+ if (ret == 0 && result == NULL) {
+ ret = ENOENT;
+ }
+
+done:
+ *_buf = buf;
+ *_buf_len = buf_len;
+
+ return ret;
+}
int parse_request_data(struct berval *req_val, struct extdom_req **_req)
{
@@ -191,33 +373,6 @@ int check_request(struct extdom_req *req, enum extdom_version version)
return LDAP_SUCCESS;
}
-static int get_buffer(size_t *_buf_len, char **_buf)
-{
- long pw_max;
- long gr_max;
- size_t buf_len;
- char *buf;
-
- pw_max = sysconf(_SC_GETPW_R_SIZE_MAX);
- gr_max = sysconf(_SC_GETGR_R_SIZE_MAX);
-
- if (pw_max == -1 && gr_max == -1) {
- buf_len = 16384;
- } else {
- buf_len = MAX(pw_max, gr_max);
- }
-
- buf = malloc(sizeof(char) * buf_len);
- if (buf == NULL) {
- return LDAP_OPERATIONS_ERROR;
- }
-
- *_buf_len = buf_len;
- *_buf = buf;
-
- return LDAP_SUCCESS;
-}
-
static int get_user_grouplist(const char *name, gid_t gid,
size_t *_ngroups, gid_t **_groups )
{
@@ -323,7 +478,6 @@ static int pack_ber_user(enum response_types response_type,
size_t buf_len;
char *buf = NULL;
struct group grp;
- struct group *grp_result;
size_t c;
char *locat;
char *short_user_name = NULL;
@@ -375,13 +529,13 @@ static int pack_ber_user(enum response_types response_type,
}
for (c = 0; c < ngroups; c++) {
- ret = getgrgid_r(groups[c], &grp, buf, buf_len, &grp_result);
+ ret = getgrgid_r_wrapper(MAX_BUF, groups[c], &grp, &buf, &buf_len);
if (ret != 0) {
- ret = LDAP_NO_SUCH_OBJECT;
- goto done;
- }
- if (grp_result == NULL) {
- ret = LDAP_NO_SUCH_OBJECT;
+ if (ret == ENOMEM || ret == ERANGE) {
+ ret = LDAP_OPERATIONS_ERROR;
+ } else {
+ ret = LDAP_NO_SUCH_OBJECT;
+ }
goto done;
}
@@ -542,7 +696,6 @@ static int handle_uid_request(enum request_types request_type, uid_t uid,
{
int ret;
struct passwd pwd;
- struct passwd *pwd_result = NULL;
char *sid_str = NULL;
enum sss_id_type id_type;
size_t buf_len;
@@ -568,13 +721,13 @@ static int handle_uid_request(enum request_types request_type, uid_t uid,
ret = pack_ber_sid(sid_str, berval);
} else {
- ret = getpwuid_r(uid, &pwd, buf, buf_len, &pwd_result);
+ ret = getpwuid_r_wrapper(MAX_BUF, uid, &pwd, &buf, &buf_len);
if (ret != 0) {
- ret = LDAP_NO_SUCH_OBJECT;
- goto done;
- }
- if (pwd_result == NULL) {
- ret = LDAP_NO_SUCH_OBJECT;
+ if (ret == ENOMEM || ret == ERANGE) {
+ ret = LDAP_OPERATIONS_ERROR;
+ } else {
+ ret = LDAP_NO_SUCH_OBJECT;
+ }
goto done;
}
@@ -610,7 +763,6 @@ static int handle_gid_request(enum request_types request_type, gid_t gid,
{
int ret;
struct group grp;
- struct group *grp_result = NULL;
char *sid_str = NULL;
enum sss_id_type id_type;
size_t buf_len;
@@ -635,13 +787,13 @@ static int handle_gid_request(enum request_types request_type, gid_t gid,
ret = pack_ber_sid(sid_str, berval);
} else {
- ret = getgrgid_r(gid, &grp, buf, buf_len, &grp_result);
+ ret = getgrgid_r_wrapper(MAX_BUF, gid, &grp, &buf, &buf_len);
if (ret != 0) {
- ret = LDAP_NO_SUCH_OBJECT;
- goto done;
- }
- if (grp_result == NULL) {
- ret = LDAP_NO_SUCH_OBJECT;
+ if (ret == ENOMEM || ret == ERANGE) {
+ ret = LDAP_OPERATIONS_ERROR;
+ } else {
+ ret = LDAP_NO_SUCH_OBJECT;
+ }
goto done;
}
@@ -676,9 +828,7 @@ static int handle_sid_request(enum request_types request_type, const char *sid,
{
int ret;
struct passwd pwd;
- struct passwd *pwd_result = NULL;
struct group grp;
- struct group *grp_result = NULL;
char *domain_name = NULL;
char *fq_name = NULL;
char *object_name = NULL;
@@ -724,14 +874,13 @@ static int handle_sid_request(enum request_types request_type, const char *sid,
switch(id_type) {
case SSS_ID_TYPE_UID:
case SSS_ID_TYPE_BOTH:
- ret = getpwnam_r(fq_name, &pwd, buf, buf_len, &pwd_result);
+ ret = getpwnam_r_wrapper(MAX_BUF, fq_name, &pwd, &buf, &buf_len);
if (ret != 0) {
- ret = LDAP_NO_SUCH_OBJECT;
- goto done;
- }
-
- if (pwd_result == NULL) {
- ret = LDAP_NO_SUCH_OBJECT;
+ if (ret == ENOMEM || ret == ERANGE) {
+ ret = LDAP_OPERATIONS_ERROR;
+ } else {
+ ret = LDAP_NO_SUCH_OBJECT;
+ }
goto done;
}
@@ -755,14 +904,13 @@ static int handle_sid_request(enum request_types request_type, const char *sid,
pwd.pw_shell, kv_list, berval);
break;
case SSS_ID_TYPE_GID:
- ret = getgrnam_r(fq_name, &grp, buf, buf_len, &grp_result);
+ ret = getgrnam_r_wrapper(MAX_BUF, fq_name, &grp, &buf, &buf_len);
if (ret != 0) {
- ret = LDAP_NO_SUCH_OBJECT;
- goto done;
- }
-
- if (grp_result == NULL) {
- ret = LDAP_NO_SUCH_OBJECT;
+ if (ret == ENOMEM || ret == ERANGE) {
+ ret = LDAP_OPERATIONS_ERROR;
+ } else {
+ ret = LDAP_NO_SUCH_OBJECT;
+ }
goto done;
}
@@ -806,9 +954,7 @@ static int handle_name_request(enum request_types request_type,
int ret;
char *fq_name = NULL;
struct passwd pwd;
- struct passwd *pwd_result = NULL;
struct group grp;
- struct group *grp_result = NULL;
char *sid_str = NULL;
enum sss_id_type id_type;
size_t buf_len;
@@ -842,15 +988,8 @@ static int handle_name_request(enum request_types request_type,
goto done;
}
- ret = getpwnam_r(fq_name, &pwd, buf, buf_len, &pwd_result);
- if (ret != 0) {
- /* according to the man page there are a couple of error codes
- * which can indicate that the user was not found. To be on the
- * safe side we fail back to the group lookup on all errors. */
- pwd_result = NULL;
- }
-
- if (pwd_result != NULL) {
+ ret = getpwnam_r_wrapper(MAX_BUF, fq_name, &pwd, &buf, &buf_len);
+ if (ret == 0) {
if (request_type == REQ_FULL_WITH_GROUPS) {
ret = sss_nss_getorigbyname(pwd.pw_name, &kv_list, &id_type);
if (ret != 0 || !(id_type == SSS_ID_TYPE_UID
@@ -868,15 +1007,21 @@ static int handle_name_request(enum request_types request_type,
domain_name, pwd.pw_name, pwd.pw_uid,
pwd.pw_gid, pwd.pw_gecos, pwd.pw_dir,
pwd.pw_shell, kv_list, berval);
+ } else if (ret == ENOMEM || ret == ERANGE) {
+ ret = LDAP_OPERATIONS_ERROR;
+ goto done;
} else { /* no user entry found */
- ret = getgrnam_r(fq_name, &grp, buf, buf_len, &grp_result);
+ /* according to the getpwnam() man page there are a couple of
+ * error codes which can indicate that the user was not found. To
+ * be on the safe side we fail back to the group lookup on all
+ * errors. */
+ ret = getgrnam_r_wrapper(MAX_BUF, fq_name, &grp, &buf, &buf_len);
if (ret != 0) {
- ret = LDAP_NO_SUCH_OBJECT;
- goto done;
- }
-
- if (grp_result == NULL) {
- ret = LDAP_NO_SUCH_OBJECT;
+ if (ret == ENOMEM || ret == ERANGE) {
+ ret = LDAP_OPERATIONS_ERROR;
+ } else {
+ ret = LDAP_NO_SUCH_OBJECT;
+ }
goto done;
}
diff --git a/daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/group b/daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/group
new file mode 100644
index 0000000000000000000000000000000000000000..8d1b012871b21cc9d5ffdba2168f35ef3e8a5f81
--- /dev/null
+++ b/daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/group
@@ -0,0 +1,2 @@
+group:x:11111:member0001,member0002
+group_big:x:22222:member0001,member0002,member0003,member0004,member0005,member0006,member0007,member0008,member0009,member0010,member0011,member0012,member0013,member0014,member0015,member0016,member0017,member0018,member0019,member0020,member0021,member0022,member0023,member0024,member0025,member0026,member0027,member0028,member0029,member0030,member0031,member0032,member0033,member0034,member0035,member0036,member0037,member0038,member0039,member0040,member0041,member0042,member0043,member0044,member0045,member0046,member0047,member0048,member0049,member0050,member0051,member0052,member0053,member0054,member0055,member0056,member0057,member0058,member0059,member0060,member0061,member0062,member0063,member0064,member0065,member0066,member0067,member0068,member0069,member0070,member0071,member0072,member0073,member0074,member0075,member0076,member0077,member0078,member0079,member0080,member0081,member0082,member0083,member0084,member0085,member0086,member0087,member0088,member0089,member0090,member0091,member0092,member0093,member0094,member0095,member0096,member0097,member0098,member0099,member0100,member0101,member0102,member0103,member0104,member0105,member0106,member0107,member0108,member0109,member0110,member0111,member0112,member0113,member0114,member0115,member0116,member0117,member0118,member0119,member0120,member0121,member0122,member0123,member0124,member0125,member0126,member0127,member0128,member0129,member0130,member0131,member0132,member0133,member0134,member0135,member0136,member0137,member0138,member0139,member0140,member0141,member0142,member0143,member0144,member0145,member0146,member0147,member0148,member0149,member0150,member0151,member0152,member0153,member0154,member0155,member0156,member0157,member0158,member0159,member0160,member0161,member0162,member0163,member0164,member0165,member0166,member0167,member0168,member0169,member0170,member0171,member0172,member0173,member0174,member0175,member0176,member0177,member0178,member0179,member0180,member0181,member0182,member0183,member0184,member0185,member0186,member0187,member0188,member0189,member0190,member0191,member0192,member0193,member0194,member0195,member0196,member0197,member0198,member0199,member0200,member0201,member0202,member0203,member0204,member0205,member0206,member0207,member0208,member0209,member0210,member0211,member0212,member0213,member0214,member0215,member0216,member0217,member0218,member0219,member0220,member0221,member0222,member0223,member0224,member0225,member0226,member0227,member0228,member0229,member0230,member0231,member0232,member0233,member0234,member0235,member0236,member0237,member0238,member0239,member0240,member0241,member0242,member0243,member0244,member0245,member0246,member0247,member0248,member0249,member0250,member0251,member0252,member0253,member0254,member0255,member0256,member0257,member0258,member0259,member0260,member0261,member0262,member0263,member0264,member0265,member0266,member0267,member0268,member0269,member0270,member0271,member0272,member0273,member0274,member0275,member0276,member0277,member0278,member0279,member0280,member0281,member0282,member0283,member0284,member0285,member0286,member0287,member0288,member0289,member0290,member0291,member0292,member0293,member0294,member0295,member0296,member0297,member0298,member0299,member0300,member0301,member0302,member0303,member0304,member0305,member0306,member0307,member0308,member0309,member0310,member0311,member0312,member0313,member0314,member0315,member0316,member0317,member0318,member0319,member0320,member0321,member0322,member0323,member0324,member0325,member0326,member0327,member0328,member0329,member0330,member0331,member0332,member0333,member0334,member0335,member0336,member0337,member0338,member0339,member0340,member0341,member0342,member0343,member0344,member0345,member0346,member0347,member0348,member0349,member0350,member0351,member0352,member0353,member0354,member0355,member0356,member0357,member0358,member0359,member0360,member0361,member0362,member0363,member0364,member0365,member0366,member0367,member0368,member0369,member0370,member0371,member0372,member0373,member0374,member0375,member0376,member0377,member0378,member0379,member0380,member0381,member0382,member0383,member0384,member0385,member0386,member0387,member0388,member0389,member0390,member0391,member0392,member0393,member0394,member0395,member0396,member0397,member0398,member0399,member0400,member0401,member0402,member0403,member0404,member0405,member0406,member0407,member0408,member0409,member0410,member0411,member0412,member0413,member0414,member0415,member0416,member0417,member0418,member0419,member0420,member0421,member0422,member0423,member0424,member0425,member0426,member0427,member0428,member0429,member0430,member0431,member0432,member0433,member0434,member0435,member0436,member0437,member0438,member0439,member0440,member0441,member0442,member0443,member0444,member0445,member0446,member0447,member0448,member0449,member0450,member0451,member0452,member045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diff --git a/daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/passwd b/daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/passwd
new file mode 100644
index 0000000000000000000000000000000000000000..971e9bdb8a5d43d915ce0adc42ac29f2f95ade52
--- /dev/null
+++ b/daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/passwd
@@ -0,0 +1,2 @@
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index 0000000000000000000000000000000000000000..ad839f340efe989a91cd6902f59c9a41483f68e0
--- /dev/null
+++ b/daemons/ipa-slapi-plugins/ipa-extdom-extop/test_data/test_setup.sh
@@ -0,0 +1,3 @@
+export LD_PRELOAD=$(pkg-config --libs nss_wrapper)
+export NSS_WRAPPER_PASSWD=./test_data/passwd
+export NSS_WRAPPER_GROUP=./test_data/group
--
2.1.0