Add expandable sequences to krb5_ccachedir

As with krb5_ccname_template sequences like %u can be used in the
krb5_ccachedir parameter which are expanded at runtime. If the directory
does not exist, it will be created. Depending on the used sequences it
is created as a public or private directory.

1 files changed, 470 insertions, 92 deletions

diff --git a/src/tests/krb5_utils-tests.c b/src/tests/krb5_utils-tests.c
index 64cf9c3d3..3e7c2ec74 100644
--- a/src/tests/krb5_utils-tests.c
+++ b/src/tests/krb5_utils-tests.c
@@ -23,13 +23,17 @@
 */
 
 #include <stdlib.h>
+#include <popt.h>
 #include <check.h>
 
 #include "providers/krb5/krb5_utils.h"
 #include "providers/krb5/krb5_auth.h"
 #include "tests/common.h"
 
+#define TESTS_PATH "tests_krb5_utils"
+
 #define BASE "/abc/def"
+#define FILENAME "ghi"
 
 #define USERNAME "testuser"
 #define UID "12345"
@@ -44,6 +48,315 @@ extern struct dp_option default_krb5_opts[];
 TALLOC_CTX *tmp_ctx = NULL;
 struct krb5child_req *kr;
 
+#define RMDIR(__dir__) do { \
+    ret = rmdir(__dir__); \
+    fail_unless(ret == EOK, "rmdir [%s] failed, [%d][%s].", __dir__, \
+                errno, strerror(errno)); \
+} while(0);
+
+void setup_create_dir(void)
+{
+    fail_unless(tmp_ctx == NULL, "Talloc context already initialized.");
+    tmp_ctx = talloc_new(NULL);
+    fail_unless(tmp_ctx != NULL, "Cannot create talloc context.");
+}
+
+void teardown_create_dir(void)
+{
+    int ret;
+    fail_unless(tmp_ctx != NULL, "Talloc context already freed.");
+    ret = talloc_free(tmp_ctx);
+    tmp_ctx = NULL;
+    fail_unless(ret == 0, "Connot free talloc context.");
+}
+
+static void check_dir(const char *dirname, uid_t uid, gid_t gid, mode_t mode)
+{
+    struct stat stat_buf;
+    int ret;
+
+    ret = stat(dirname, &stat_buf);
+    fail_unless(ret == EOK, "stat failed [%d][%s].", errno, strerror(errno));
+
+    fail_unless(S_ISDIR(stat_buf.st_mode), "[%s] is not a directory.", dirname);
+    fail_unless(stat_buf.st_uid == uid, "uid does not match, "
+                                        "expected [%d], got [%d].",
+                                        uid, stat_buf.st_uid);
+    fail_unless(stat_buf.st_gid == gid, "gid does not match, "
+                                        "expected [%d], got [%d].",
+                                        gid, stat_buf.st_gid);
+    fail_unless((stat_buf.st_mode & ~S_IFMT) == mode,
+                                           "mode of [%s] does not match, "
+                                           "expected [%o], got [%o].", dirname,
+                                            mode, (stat_buf.st_mode & ~S_IFMT));
+}
+
+START_TEST(test_pub_ccache_dir)
+{
+    int ret;
+    char *cwd;
+    char *testpath;
+    char *dirname;
+    char *subdirname;
+    char *filename;
+
+    fail_unless(getuid() == 0, "This test must be run as root.");
+
+    cwd = getcwd(NULL, 0);
+    fail_unless(cwd != NULL, "getcwd failed.");
+
+    testpath = talloc_asprintf(tmp_ctx, "%s/%s", cwd, TESTS_PATH);
+    free(cwd);
+    fail_unless(testpath != NULL, "talloc_asprintf failed.");
+    dirname = talloc_asprintf(tmp_ctx, "%s/pub_ccdir", testpath);
+    fail_unless(dirname != NULL, "talloc_asprintf failed.");
+    subdirname = talloc_asprintf(tmp_ctx, "%s/subdir", dirname);
+    fail_unless(subdirname != NULL, "talloc_asprintf failed.");
+    filename = talloc_asprintf(tmp_ctx, "%s/ccfile", subdirname);
+    fail_unless(filename != NULL, "talloc_asprintf failed.");
+
+    ret = chmod(testpath, 0754);
+    fail_unless(ret == EOK, "chmod failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, NULL, 12345, 12345, false);
+    fail_unless(ret == EINVAL, "create_ccache_dir does not return EINVAL "
+                               "while x-bit is missing.");
+
+    ret = chmod(testpath, 0755);
+    fail_unless(ret == EOK, "chmod failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, NULL, 12345, 12345, false);
+    fail_unless(ret == EOK, "create_ccache_dir failed.");
+
+    check_dir(subdirname, 0, 0, 01777);
+    RMDIR(subdirname);
+    check_dir(dirname, 0, 0, 0755);
+    RMDIR(dirname);
+}
+END_TEST
+
+START_TEST(test_pub_ccache_dir_in_user_dir)
+{
+    int ret;
+    char *cwd;
+    char *dirname;
+    char *subdirname;
+    char *filename;
+
+    fail_unless(getuid() == 0, "This test must be run as root.");
+
+    cwd = getcwd(NULL, 0);
+    fail_unless(cwd != NULL, "getcwd failed.");
+
+    dirname = talloc_asprintf(tmp_ctx, "%s/%s/pub_ccdir", cwd, TESTS_PATH);
+    free(cwd);
+    fail_unless(dirname != NULL, "talloc_asprintf failed.");
+    ret = mkdir(dirname, 0700);
+    fail_unless(ret == EOK, "mkdir failed.\n");
+    ret = chown(dirname, 12345, 12345);
+    fail_unless(ret == EOK, "chown failed.\n");
+    subdirname = talloc_asprintf(tmp_ctx, "%s/subdir", dirname);
+    fail_unless(subdirname != NULL, "talloc_asprintf failed.");
+    filename = talloc_asprintf(tmp_ctx, "%s/ccfile", subdirname);
+    fail_unless(filename != NULL, "talloc_asprintf failed.");
+
+    ret = create_ccache_dir(tmp_ctx, filename, NULL, 12345, 12345, false);
+    fail_unless(ret == EINVAL, "Creating public ccache dir in user dir "
+                               "does not failed with EINVAL.");
+
+    RMDIR(dirname);
+}
+END_TEST
+
+START_TEST(test_priv_ccache_dir)
+{
+    int ret;
+    char *cwd;
+    char *testpath;
+    char *dirname;
+    char *subdir;
+    char *filename;
+    uid_t uid = 12345;
+    gid_t gid = 12345;
+
+    fail_unless(getuid() == 0, "This test must be run as root.");
+
+    cwd = getcwd(NULL, 0);
+    fail_unless(cwd != NULL, "getcwd failed.");
+
+    testpath = talloc_asprintf(tmp_ctx, "%s/%s", cwd, TESTS_PATH);
+    free(cwd);
+    fail_unless(testpath != NULL, "talloc_asprintf failed.");
+    dirname = talloc_asprintf(tmp_ctx, "%s/base", testpath);
+    subdir = talloc_asprintf(tmp_ctx, "%s/priv_ccdir", dirname);
+    fail_unless(subdir != NULL, "talloc_asprintf failed.");
+    filename = talloc_asprintf(tmp_ctx, "%s/ccfile", subdir);
+    fail_unless(filename != NULL, "talloc_asprintf failed.");
+
+    ret = chmod(testpath, 0754);
+    fail_unless(ret == EOK, "chmod failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, NULL, uid, gid, true);
+    fail_unless(ret == EINVAL, "create_ccache_dir does not return EINVAL "
+                               "while x-bit is missing.");
+
+    ret = chmod(testpath, 0755);
+    fail_unless(ret == EOK, "chmod failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, NULL, uid, gid, true);
+    fail_unless(ret == EOK, "create_ccache_dir failed.");
+
+    check_dir(subdir, uid, gid, 0700);
+    RMDIR(subdir);
+    check_dir(dirname, 0, 0, 0755);
+    RMDIR(dirname);
+}
+END_TEST
+
+START_TEST(test_private_ccache_dir_in_user_dir)
+{
+    int ret;
+    char *cwd;
+    char *user_dir;
+    char *dn1;
+    char *dn2;
+    char *dn3;
+    char *filename;
+    uid_t uid = getuid();
+    gid_t gid = getgid();
+
+    if (uid == 0) {
+        uid = 12345;
+        gid = 12345;
+    }
+
+    cwd = getcwd(NULL, 0);
+    fail_unless(cwd != NULL, "getcwd failed.");
+
+    user_dir = talloc_asprintf(tmp_ctx, "%s/%s/user", cwd, TESTS_PATH);
+    free(cwd);
+    fail_unless(user_dir != NULL, "talloc_asprintf failed.");
+    ret = mkdir(user_dir, 0700);
+    fail_unless(ret == EOK, "mkdir failed.");
+    ret = chown(user_dir, uid, gid);
+    fail_unless(ret == EOK, "chown failed.");
+
+    dn1 = talloc_asprintf(tmp_ctx, "%s/a", user_dir);
+    fail_unless(dn1 != NULL, "talloc_asprintf failed.");
+    dn2 = talloc_asprintf(tmp_ctx, "%s/b", dn1);
+    fail_unless(dn2 != NULL, "talloc_asprintf failed.");
+    dn3 = talloc_asprintf(tmp_ctx, "%s/c", dn2);
+    fail_unless(dn3 != NULL, "talloc_asprintf failed.");
+    filename = talloc_asprintf(tmp_ctx, "%s/ccfile", dn3);
+    fail_unless(filename != NULL, "talloc_asprintf failed.");
+
+    ret = chmod(user_dir, 0600);
+    fail_unless(ret == EOK, "chmod failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, NULL, uid, gid, true);
+    fail_unless(ret == EINVAL, "create_ccache_dir does not return EINVAL "
+                               "while x-bit is missing.");
+
+    ret = chmod(user_dir, 0700);
+    fail_unless(ret == EOK, "chmod failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, NULL, uid, gid, true);
+    fail_unless(ret == EOK, "create_ccache_dir failed.");
+
+    check_dir(dn3, uid, gid, 0700);
+    RMDIR(dn3);
+    check_dir(dn2, uid, gid, 0700);
+    RMDIR(dn2);
+    check_dir(dn1, uid, gid, 0700);
+    RMDIR(dn1);
+    RMDIR(user_dir);
+}
+END_TEST
+
+START_TEST(test_private_ccache_dir_in_wrong_user_dir)
+{
+    int ret;
+    char *cwd;
+    char *dirname;
+    char *subdirname;
+    char *filename;
+
+    fail_unless(getuid() == 0, "This test must be run as root.");
+
+    cwd = getcwd(NULL, 0);
+    fail_unless(cwd != NULL, "getcwd failed.");
+
+    dirname = talloc_asprintf(tmp_ctx, "%s/%s/priv_ccdir", cwd, TESTS_PATH);
+    free(cwd);
+    fail_unless(dirname != NULL, "talloc_asprintf failed.");
+    ret = mkdir(dirname, 0700);
+    fail_unless(ret == EOK, "mkdir failed.\n");
+    ret = chown(dirname, 12346, 12346);
+    fail_unless(ret == EOK, "chown failed.\n");
+    subdirname = talloc_asprintf(tmp_ctx, "%s/subdir", dirname);
+    fail_unless(subdirname != NULL, "talloc_asprintf failed.");
+    filename = talloc_asprintf(tmp_ctx, "%s/ccfile", subdirname);
+    fail_unless(filename != NULL, "talloc_asprintf failed.");
+
+    ret = create_ccache_dir(tmp_ctx, filename, NULL, 12345, 12345, true);
+    fail_unless(ret == EINVAL, "Creating private ccache dir in wrong user "
+                               "dir does not failed with EINVAL.");
+
+    RMDIR(dirname);
+}
+END_TEST
+
+START_TEST(test_illegal_patterns)
+{
+    int ret;
+    char *cwd;
+    char *dirname;
+    char *filename;
+    uid_t uid = getuid();
+    gid_t gid = getgid();
+    pcre *illegal_re;
+    const char *errstr;
+    int errval;
+    int errpos;
+
+    illegal_re = pcre_compile2(ILLEGAL_PATH_PATTERN, 0,
+                               &errval, &errstr, &errpos, NULL);
+    fail_unless(illegal_re != NULL, "Invalid Regular Expression pattern at "
+                                    " position %d. (Error: %d [%s])\n",
+                                    errpos, errval, errstr);
+
+    cwd = getcwd(NULL, 0);
+    fail_unless(cwd != NULL, "getcwd failed.");
+
+    dirname = talloc_asprintf(tmp_ctx, "%s/%s/priv_ccdir", cwd, TESTS_PATH);
+    free(cwd);
+    fail_unless(dirname != NULL, "talloc_asprintf failed.");
+
+
+    filename = talloc_asprintf(tmp_ctx, "abc/./ccfile");
+    fail_unless(filename != NULL, "talloc_asprintf failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, illegal_re, uid, gid, true);
+    fail_unless(ret == EINVAL, "create_ccache_dir allowed relative path [%s].",
+                               filename);
+
+    filename = talloc_asprintf(tmp_ctx, "%s/abc/./ccfile", dirname);
+    fail_unless(filename != NULL, "talloc_asprintf failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, illegal_re, uid, gid, true);
+    fail_unless(ret == EINVAL, "create_ccache_dir allowed "
+                               "illegal pattern '/./' in filename [%s].",
+                               filename);
+
+    filename = talloc_asprintf(tmp_ctx, "%s/abc/../ccfile", dirname);
+    fail_unless(filename != NULL, "talloc_asprintf failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, illegal_re, uid, gid, true);
+    fail_unless(ret == EINVAL, "create_ccache_dir allowed "
+                               "illegal pattern '/../' in filename [%s].",
+                               filename);
+
+    filename = talloc_asprintf(tmp_ctx, "%s/abc//ccfile", dirname);
+    fail_unless(filename != NULL, "talloc_asprintf failed.");
+    ret = create_ccache_dir(tmp_ctx, filename, illegal_re, uid, gid, true);
+    fail_unless(ret == EINVAL, "create_ccache_dir allowed "
+                               "illegal pattern '//' in filename [%s].",
+                               filename);
+
+}
+END_TEST
+
 void setup_talloc_context(void)
 {
     int ret;
@@ -97,138 +410,118 @@ void free_talloc_context(void)
     fail_unless(ret == 0, "Connot free talloc context.");
 }
 
-START_TEST(test_multiple_substitutions)
+static void do_test(const char *file_template, const char *dir_template,
+                    const char *expected, const bool expected_private_path)
 {
-    const char *test_template = BASE"_%u_%U_%u";
-    const char *expected = BASE"_"USERNAME"_"UID"_"USERNAME;
     char *result;
+    int ret;
+    bool private_path = false;
 
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
+    ret = dp_opt_set_string(kr->krb5_ctx->opts, KRB5_CCACHEDIR, dir_template);
+    fail_unless(ret == EOK, "Failed to set Ccache dir");
 
-    fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
+    result = expand_ccname_template(tmp_ctx, kr, file_template, true,
+                                    &private_path);
+
+    fail_unless(result != NULL, "Cannot expand template [%s].", file_template);
     fail_unless(strcmp(result, expected) == 0,
                 "Expansion failed, result [%s], expected [%s].",
                 result, expected);
+    fail_unless(private_path == expected_private_path,
+                "Unexprected private path, get [%s], expected [%s].",
+                private_path ? "true" : "false",
+                expected_private_path ? "true" : "false");
+}
+
+START_TEST(test_multiple_substitutions)
+{
+    do_test(BASE"_%u_%U_%u", CCACHE_DIR, BASE"_"USERNAME"_"UID"_"USERNAME, false);
+    do_test("%d/"FILENAME, BASE"_%u_%U_%u",
+            BASE"_"USERNAME"_"UID"_"USERNAME"/"FILENAME, true);
 }
 END_TEST
 
 START_TEST(test_username)
 {
-    const char *test_template = BASE"_%u";
-    const char *expected = BASE"_"USERNAME;
-    char *result;
-
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
-
-    fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
-    fail_unless(strcmp(result, expected) == 0,
-                "Expansion failed, result [%s], expected [%s].",
-                result, expected);
+    do_test(BASE"_%u", CCACHE_DIR, BASE"_"USERNAME, false);
+    do_test("%d/"FILENAME, BASE"_%u", BASE"_"USERNAME"/"FILENAME, true);
 }
 END_TEST
 
 START_TEST(test_uid)
 {
-    const char *test_template = BASE"_%U";
-    const char *expected = BASE"_"UID;
-    char *result;
-
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
-
-    fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
-    fail_unless(strcmp(result, expected) == 0,
-                "Expansion failed, result [%s], expected [%s].",
-                result, expected);
+    do_test(BASE"_%U", CCACHE_DIR, BASE"_"UID, false);
+    do_test("%d/"FILENAME, BASE"_%U", BASE"_"UID"/"FILENAME, true);
 }
 END_TEST
 
 START_TEST(test_upn)
 {
-    const char *test_template = BASE"_%p";
-    const char *expected = BASE"_"PRINCIPLE_NAME;
-    char *result;
-
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
-
-    fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
-    fail_unless(strcmp(result, expected) == 0,
-                "Expansion failed, result [%s], expected [%s].",
-                result, expected);
+    do_test(BASE"_%p", CCACHE_DIR, BASE"_"PRINCIPLE_NAME, false);
+    do_test("%d/"FILENAME, BASE"_%p", BASE"_"PRINCIPLE_NAME"/"FILENAME, true);
 }
 END_TEST
 
 START_TEST(test_realm)
 {
-    const char *test_template = BASE"_%r";
-    const char *expected = BASE"_"REALM;
-    char *result;
-
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
-
-    fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
-    fail_unless(strcmp(result, expected) == 0,
-                "Expansion failed, result [%s], expected [%s].",
-                result, expected);
+    do_test(BASE"_%r", CCACHE_DIR, BASE"_"REALM, false);
+    do_test("%d/"FILENAME, BASE"_%r", BASE"_"REALM"/"FILENAME, false);
 }
 END_TEST
 
 START_TEST(test_home)
 {
-    const char *test_template = BASE"_%h";
-    const char *expected = BASE"_"HOME_DIRECTORY;
-    char *result;
-
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
-
-    fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
-    fail_unless(strcmp(result, expected) == 0,
-                "Expansion failed, result [%s], expected [%s].",
-                result, expected);
+    do_test(BASE"_%h", CCACHE_DIR, BASE"_"HOME_DIRECTORY, false);
+    do_test("%d/"FILENAME, BASE"_%h", BASE"_"HOME_DIRECTORY"/"FILENAME, true);
 }
 END_TEST
 
 START_TEST(test_ccache_dir)
 {
-    const char *test_template = BASE"_%d";
-    const char *expected = BASE"_"CCACHE_DIR;
     char *result;
+    int ret;
+    bool private_path = false;
 
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
+    do_test(BASE"_%d", CCACHE_DIR, BASE"_"CCACHE_DIR, false);
 
-    fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
-    fail_unless(strcmp(result, expected) == 0,
-                "Expansion failed, result [%s], expected [%s].",
-                result, expected);
+    ret = dp_opt_set_string(kr->krb5_ctx->opts, KRB5_CCACHEDIR, BASE"_%d");
+    fail_unless(ret == EOK, "Failed to set Ccache dir");
+
+    result = expand_ccname_template(tmp_ctx, kr, "%d/"FILENAME, true,
+                                    &private_path);
+
+    fail_unless(result == NULL, "Using %%d in ccache dir should fail.");
+    fail_unless(private_path == false,
+                "Unexprected private path, get [%s], expected [%s].",
+                private_path ? "true" : "false", "false");
 }
 END_TEST
 
 START_TEST(test_pid)
 {
-    const char *test_template = BASE"_%P";
-    const char *expected = BASE"_"PID;
     char *result;
+    int ret;
+    bool private_path = false;
 
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
+    do_test(BASE"_%P", CCACHE_DIR, BASE"_"PID, false);
 
-    fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
-    fail_unless(strcmp(result, expected) == 0,
-                "Expansion failed, result [%s], expected [%s].",
-                result, expected);
+    ret = dp_opt_set_string(kr->krb5_ctx->opts, KRB5_CCACHEDIR, BASE"_%P");
+    fail_unless(ret == EOK, "Failed to set Ccache dir");
+
+    result = expand_ccname_template(tmp_ctx, kr, "%d/"FILENAME, true,
+                                    &private_path);
+
+    fail_unless(result == NULL, "Using %%P in ccache dir should fail.");
+    fail_unless(private_path == false,
+                "Unexprected private path, get [%s], expected [%s].",
+                private_path ? "true" : "false", "false");
 }
 END_TEST
 
 START_TEST(test_percent)
 {
-    const char *test_template = BASE"_%%";
-    const char *expected = BASE"_%";
-    char *result;
-
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
-
-    fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
-    fail_unless(strcmp(result, expected) == 0,
-                "Expansion failed, result [%s], expected [%s].",
-                result, expected);
+    do_test(BASE"_%%", CCACHE_DIR, BASE"_%", false);
+    do_test("%d/"FILENAME, BASE"_%%", BASE"_%/"FILENAME, false);
 }
 END_TEST
 
@@ -236,11 +529,26 @@ START_TEST(test_unknow_template)
 {
     const char *test_template = BASE"_%X";
     char *result;
+    int ret;
+    bool private_path = false;
 
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
+    result = expand_ccname_template(tmp_ctx, kr, test_template, true,
+                                    &private_path);
 
     fail_unless(result == NULL, "Unknown template [%s] should fail.",
                 test_template);
+
+    ret = dp_opt_set_string(kr->krb5_ctx->opts, KRB5_CCACHEDIR, BASE"_%X");
+    fail_unless(ret == EOK, "Failed to set Ccache dir");
+    test_template = "%d/"FILENAME;
+    result = expand_ccname_template(tmp_ctx, kr, test_template, true,
+                                    &private_path);
+
+    fail_unless(result == NULL, "Unknown template [%s] should fail.",
+                test_template);
+    fail_unless(private_path == false,
+                "Unexprected private path, get [%s], expected [%s].",
+                private_path ? "true" : "false", "false");
 }
 END_TEST
 
@@ -248,11 +556,16 @@ START_TEST(test_NULL)
 {
     char *test_template = NULL;
     char *result;
+    bool private_path = false;
 
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
+    result = expand_ccname_template(tmp_ctx, kr, test_template, true,
+                                    &private_path);
 
     fail_unless(result == NULL, "Expected NULL as a result for an empty input.",
                 test_template);
+    fail_unless(private_path == false,
+                "Unexprected private path, get [%s], expected [%s].",
+                private_path ? "true" : "false", "false");
 }
 END_TEST
 
@@ -260,13 +573,18 @@ START_TEST(test_no_substitution)
 {
     const char *test_template = BASE;
     char *result;
+    bool private_path = false;
 
-    result = expand_ccname_template(tmp_ctx, kr, test_template);
+    result = expand_ccname_template(tmp_ctx, kr, test_template, true,
+                                    &private_path);
 
     fail_unless(result != NULL, "Cannot expand template [%s].", test_template);
     fail_unless(strcmp(result, test_template) == 0,
                 "Expansion failed, result [%s], expected [%s].",
                 result, test_template);
+    fail_unless(private_path == false,
+                "Unexprected private path, get [%s], expected [%s].",
+                private_path ? "true" : "false", "false");
 }
 END_TEST
 
@@ -291,21 +609,81 @@ Suite *krb5_utils_suite (void)
     tcase_add_test (tc_ccname_template, test_multiple_substitutions);
     suite_add_tcase (s, tc_ccname_template);
 
+    TCase *tc_create_dir = tcase_create("create_dir");
+    tcase_add_checked_fixture (tc_create_dir, setup_create_dir,
+                               teardown_create_dir);
+    tcase_add_test (tc_create_dir, test_illegal_patterns);
+    if (getuid() == 0) {
+        tcase_add_test (tc_create_dir, test_priv_ccache_dir);
+        tcase_add_test (tc_create_dir, test_private_ccache_dir_in_user_dir);
+        tcase_add_test (tc_create_dir, test_pub_ccache_dir);
+        tcase_add_test (tc_create_dir, test_pub_ccache_dir_in_user_dir);
+        tcase_add_test (tc_create_dir, test_private_ccache_dir_in_wrong_user_dir);
+    } else {
+        printf("Run as root to enable more tests.\n");
+    }
+    suite_add_tcase (s, tc_create_dir);
+
     return s;
 }
 
-int main(void)
+int main(int argc, const char *argv[])
 {
-  int number_failed;
+    int ret;
+    int opt;
+    poptContext pc;
+    int number_failed;
+
+    tests_set_cwd();
+
+    struct poptOption long_options[] = {
+        POPT_AUTOHELP
+        SSSD_MAIN_OPTS
+        { NULL }
+    };
+
+    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);
+
 
-  tests_set_cwd();
+    ret = mkdir(TESTS_PATH, 0775);
+    if (ret != EOK) {
+        fprintf(stderr, "Could not create empty directory [%s]. ", TESTS_PATH);
+        if (errno == EEXIST) {
+            fprintf(stderr, "Please remove [%s].\n", TESTS_PATH);
+        } else {
+            fprintf(stderr, "[%d][%s].\n", errno, strerror(errno));
+        }
+
+        return 1;
+    }
+
+    Suite *s = krb5_utils_suite ();
+    SRunner *sr = srunner_create (s);
+    /* If CK_VERBOSITY is set, use that, otherwise it defaults to CK_NORMAL */
+    srunner_run_all(sr, CK_ENV);
+    number_failed = srunner_ntests_failed (sr);
+    srunner_free (sr);
+    if (number_failed == 0) {
+        ret = rmdir(TESTS_PATH);
+        if (ret != EOK) {
+            fprintf(stderr, "Cannot remove [%s]: [%d][%s].\n", TESTS_PATH,
+                            errno, strerror(errno));
+            return EXIT_FAILURE;
+        }
+
+        return EXIT_SUCCESS;
+    }
 
-  Suite *s = krb5_utils_suite ();
-  SRunner *sr = srunner_create (s);
-  /* If CK_VERBOSITY is set, use that, otherwise it defaults to CK_NORMAL */
-  srunner_run_all(sr, CK_ENV);
-  number_failed = srunner_ntests_failed (sr);
-  srunner_free (sr);
-  return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+    return EXIT_FAILURE;
 }