UTIL: Add a function to convert id_t from a number or a name

We need a custom function that would convert a numeric or string input
into uid_t. The function will be used to drop privileges in servers and
also in the PAC and IFP responders.

Includes a unit test to test all code that changed as well as a fix for
a misnamed attribute in the csv_to_uid_list function synopsis.

Reviewed-by: Pavel Reichl <preichl@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/src/tests/cwrap/test_usertools.c b/src/tests/cwrap/test_usertools.c
new file mode 100644
index 000000000..642305945
--- /dev/null
+++ b/src/tests/cwrap/test_usertools.c
@@ -0,0 +1,106 @@
+/*
+    Authors:
+        Jakub Hrozek <jhrozek@redhat.com>
+
+    Copyright (C) 2014 Red Hat
+
+    SSSD tests: User utilities
+
+    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 <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <popt.h>
+#include "util/util.h"
+#include "tests/cmocka/common_mock.h"
+
+void test_get_user_num(void **state)
+{
+    uid_t uid;
+    gid_t gid;
+    errno_t ret;
+
+    ret = sss_user_by_name_or_uid("123", &uid, &gid);
+    assert_int_equal(ret, EOK);
+    assert_int_equal(uid, 123);
+    assert_int_equal(gid, 456);
+}
+
+void test_get_user_str(void **state)
+{
+    uid_t uid;
+    gid_t gid;
+    errno_t ret;
+
+    ret = sss_user_by_name_or_uid("sssd", &uid, &gid);
+    assert_int_equal(ret, EOK);
+    assert_int_equal(uid, 123);
+    assert_int_equal(gid, 456);
+}
+
+void test_get_user_nullparm(void **state)
+{
+    uid_t uid;
+    gid_t gid;
+    errno_t ret;
+
+    ret = sss_user_by_name_or_uid("sssd", &uid, NULL);
+    assert_int_equal(ret, EOK);
+    assert_int_equal(uid, 123);
+
+    ret = sss_user_by_name_or_uid("sssd", NULL, &gid);
+    assert_int_equal(ret, EOK);
+    assert_int_equal(gid, 456);
+}
+
+int main(int argc, const char *argv[])
+{
+    poptContext pc;
+    int opt;
+    struct poptOption long_options[] = {
+        POPT_AUTOHELP
+        SSSD_DEBUG_OPTS
+        POPT_TABLEEND
+    };
+
+    const UnitTest tests[] = {
+        unit_test(test_get_user_num),
+        unit_test(test_get_user_str),
+        unit_test(test_get_user_nullparm),
+    };
+
+    /* Set debug level to invalid value so we can deside if -d 0 was used. */
+    debug_level = SSSDBG_INVALID;
+
+    pc = poptGetContext(argv[0], argc, argv, long_options, 0);
+    while((opt = poptGetNextOpt(pc)) != -1) {
+        switch(opt) {
+        default:
+            fprintf(stderr, "\nInvalid option %s: %s\n\n",
+                    poptBadOption(pc, 0), poptStrerror(opt));
+            poptPrintUsage(pc, stderr, 0);
+            return 1;
+        }
+    }
+    poptFreeContext(pc);
+
+    DEBUG_CLI_INIT(debug_level);
+
+    tests_set_cwd();
+
+    return run_tests(tests);
+}