sbus: move common opath functions from ifp to sbus code

These functions are quite general thus they may be part
of sbus interface.

Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>

9 files changed, 398 insertions, 304 deletions

diff --git a/Makefile.am b/Makefile.am
index 660b3d40a..ff17b41c1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -219,6 +219,7 @@ if HAVE_CMOCKA
         test_copy_keytab \
         test_child_common \
         responder_cache_req-tests \
+        test_sbus_opath \
         $(NULL)
 
 if BUILD_IFP
@@ -2208,6 +2209,18 @@ responder_cache_req_tests_LDADD = \
     libsss_test_common.la \
     $(NULL)
 
+test_sbus_opath_SOURCES = \
+    src/tests/cmocka/test_sbus_opath.c \
+    $(NULL)
+test_sbus_opath_CFLAGS = \
+    $(AM_CFLAGS)
+test_sbus_opath_LDADD = \
+    $(CMOCKA_LIBS) \
+    $(SSSD_LIBS) \
+    $(SSSD_INTERNAL_LTLIBS) \
+    libsss_debug.la \
+    libsss_test_common.la
+
 endif # HAVE_CMOCKA
 
 noinst_PROGRAMS = pam_test_client
diff --git a/src/responder/ifp/ifp_components.c b/src/responder/ifp/ifp_components.c
index 2b76a480d..5847a767d 100644
--- a/src/responder/ifp/ifp_components.c
+++ b/src/responder/ifp/ifp_components.c
@@ -97,11 +97,11 @@ static errno_t check_and_get_component_from_path(TALLOC_CTX *mem_ctx,
         type = COMPONENT_MONITOR;
         name = "monitor";
     } else {
-        name = ifp_path_strip_prefix(path, PATH_RESPONDERS "/");
+        name = sbus_opath_strip_prefix(path, PATH_RESPONDERS "/");
         if (name != NULL) {
             type = COMPONENT_RESPONDER;
         } else {
-            name = ifp_path_strip_prefix(path, PATH_BACKENDS "/");
+            name = sbus_opath_strip_prefix(path, PATH_BACKENDS "/");
             if (name != NULL) {
                 type = COMPONENT_BACKEND;
             } else {
@@ -116,7 +116,7 @@ static errno_t check_and_get_component_from_path(TALLOC_CTX *mem_ctx,
         goto done;
     }
 
-    safe_name = ifp_bus_path_unescape(mem_ctx, name);
+    safe_name = sbus_opath_unescape_part(mem_ctx, name);
     if (safe_name == NULL) {
         ret = ENOMEM;
         goto done;
@@ -236,7 +236,7 @@ static errno_t list_responders(TALLOC_CTX *mem_ctx,
     }
 
     for (i = 0; i < num; i++) {
-        list[i] = ifp_reply_objpath(list, PATH_RESPONDERS, svc[i]);
+        list[i] = sbus_opath_compose(list, PATH_RESPONDERS, svc[i]);
         if (list[i] == NULL) {
             ret = ENOMEM;
             goto done;
@@ -286,7 +286,7 @@ static errno_t list_backends(TALLOC_CTX *mem_ctx,
     }
 
     for (i = 0; i < num; i++) {
-        list[i] = ifp_reply_objpath(list, PATH_BACKENDS, names[i]);
+        list[i] = sbus_opath_compose(list, PATH_BACKENDS, names[i]);
         if (list[i] == NULL) {
             ret = ENOMEM;
             goto done;
@@ -418,7 +418,7 @@ int ifp_find_responder_by_name(struct sbus_request *dbus_req,
     const char *result = NULL;
 
     if (responder_exists(arg_name)) {
-        result = ifp_reply_objpath(dbus_req, PATH_RESPONDERS, arg_name);
+        result = sbus_opath_compose(dbus_req, PATH_RESPONDERS, arg_name);
         if (result == NULL) {
             return sbus_request_fail_and_finish(dbus_req, NULL);
         }
@@ -448,7 +448,7 @@ int ifp_find_backend_by_name(struct sbus_request *dbus_req,
     }
 
     if (backend_exists(ctx->rctx->cdb, arg_name)) {
-        result = ifp_reply_objpath(dbus_req, PATH_BACKENDS, arg_name);
+        result = sbus_opath_compose(dbus_req, PATH_BACKENDS, arg_name);
         if (result == NULL) {
             return sbus_request_fail_and_finish(dbus_req, NULL);
         }
diff --git a/src/responder/ifp/ifp_domains.c b/src/responder/ifp/ifp_domains.c
index 1841cbe58..0af81af81 100644
--- a/src/responder/ifp/ifp_domains.c
+++ b/src/responder/ifp/ifp_domains.c
@@ -125,7 +125,7 @@ static void ifp_list_domains_process(struct tevent_req *req)
     for (dom = ireq->ifp_ctx->rctx->domains;
             dom != NULL;
             dom = get_next_domain(dom, true)) {
-        p = ifp_reply_objpath(ireq, INFOPIPE_DOMAIN_PATH_PFX, dom->name);
+        p = sbus_opath_compose(ireq, INFOPIPE_DOMAIN_PATH_PFX, dom->name);
         if (p == NULL) {
             DEBUG(SSSDBG_MINOR_FAILURE,
                   "Could not create path for dom %s, skipping\n", dom->name);
@@ -234,7 +234,7 @@ static void ifp_find_domain_by_name_process(struct tevent_req *req)
         return;
     }
 
-    path = ifp_reply_objpath(ireq, INFOPIPE_DOMAIN_PATH_PFX, iter->name);
+    path = sbus_opath_compose(ireq, INFOPIPE_DOMAIN_PATH_PFX, iter->name);
     if (path == NULL) {
         DEBUG(SSSDBG_MINOR_FAILURE,
                 "Could not create path for domain %s, skipping\n", iter->name);
@@ -263,13 +263,13 @@ get_domain_info_from_req(struct sbus_request *dbus_req, void *data)
         return NULL;
     }
 
-    raw_name = ifp_path_strip_prefix(dbus_req->path,
-                                     INFOPIPE_DOMAIN_PATH_PFX "/");
+    raw_name = sbus_opath_strip_prefix(dbus_req->path,
+                                       INFOPIPE_DOMAIN_PATH_PFX "/");
     if (raw_name == NULL) {
         return NULL;
     }
 
-    name = ifp_bus_path_unescape(dbus_req, raw_name);
+    name = sbus_opath_unescape_part(dbus_req, raw_name);
     if (name == NULL) {
         return NULL;
     }
@@ -536,6 +536,6 @@ void ifp_dom_get_parent_domain(struct sbus_request *dbus_req,
         return;
     }
 
-    *_out = ifp_reply_objpath(dbus_req, INFOPIPE_DOMAIN_PATH_PFX,
-                              dom->parent->name);
+    *_out = sbus_opath_compose(dbus_req, INFOPIPE_DOMAIN_PATH_PFX,
+                               dom->parent->name);
 }
diff --git a/src/responder/ifp/ifp_private.h b/src/responder/ifp/ifp_private.h
index fb1639c8d..676544fad 100644
--- a/src/responder/ifp/ifp_private.h
+++ b/src/responder/ifp/ifp_private.h
@@ -68,17 +68,6 @@ errno_t ifp_req_create(struct sbus_request *dbus_req,
 /* Returns an appropriate DBus error for specific ifp_req_create failures */
 int ifp_req_create_handle_failure(struct sbus_request *dbus_req, errno_t err);
 
-const char *ifp_path_strip_prefix(const char *path, const char *prefix);
-
-char *ifp_bus_path_unescape(TALLOC_CTX *mem_ctx, const char *path);
-char *ifp_bus_path_escape(TALLOC_CTX *mem_ctx, const char *path);
-
-char *_ifp_reply_objpath(TALLOC_CTX *mem_ctx, const char *base,
-                         const char *part, ...);
-
-#define ifp_reply_objpath(mem_ctx, base, ...) \
-    _ifp_reply_objpath(mem_ctx, base, ##__VA_ARGS__, NULL)
-
 errno_t ifp_add_ldb_el_to_dict(DBusMessageIter *iter_dict,
                                struct ldb_message_element *el);
 const char **ifp_parse_attr_list(TALLOC_CTX *mem_ctx, const char *conf_str);
diff --git a/src/responder/ifp/ifpsrv_util.c b/src/responder/ifp/ifpsrv_util.c
index 909bc5487..b6a0b168b 100644
--- a/src/responder/ifp/ifpsrv_util.c
+++ b/src/responder/ifp/ifpsrv_util.c
@@ -97,187 +97,6 @@ int ifp_req_create_handle_failure(struct sbus_request *dbus_req, errno_t err)
                                             "Cannot create IFP request\n"));
 }
 
-const char *ifp_path_strip_prefix(const char *path, const char *prefix)
-{
-    if (strncmp(path, prefix, strlen(prefix)) == 0) {
-        return path + strlen(prefix);
-    }
-
-    return NULL;
-}
-
-/* The following path related functions are based on similar code in
- * storaged, just tailored to use talloc instead of glib
- */
-char *ifp_bus_path_escape(TALLOC_CTX *mem_ctx, const char *path)
-{
-    size_t n;
-    char *safe_path = NULL;
-    TALLOC_CTX *tmp_ctx = NULL;
-
-    /* The path must be valid */
-    if (path == NULL) {
-        return NULL;
-    }
-
-    tmp_ctx = talloc_new(NULL);
-    if (tmp_ctx == NULL) {
-        return NULL;
-    }
-
-    safe_path = talloc_strdup(tmp_ctx, "");
-    if (safe_path == NULL) {
-        goto done;
-    }
-
-    /* Special case for an empty string */
-    if (strcmp(path, "") == 0) {
-        /* the for loop would just fall through */
-        safe_path = talloc_asprintf_append_buffer(safe_path, "_");
-    }
-
-    for (n = 0; path[n]; n++) {
-        int c = path[n];
-        /* D-Bus spec says:
-         * *
-         * * Each element must only contain the ASCII characters
-         * "[A-Z][a-z][0-9]_"
-         * */
-        if ((c >= 'A' && c <= 'Z')
-                || (c >= 'a' && c <= 'z')
-                || (c >= '0' && c <= '9')) {
-            safe_path = talloc_asprintf_append_buffer(safe_path, "%c", c);
-            if (safe_path == NULL) {
-                goto done;
-            }
-        } else {
-            safe_path = talloc_asprintf_append_buffer(safe_path, "_%02x", c);
-            if (safe_path == NULL) {
-                goto done;
-            }
-        }
-    }
-
-    safe_path = talloc_steal(mem_ctx, safe_path);
-done:
-    talloc_free(tmp_ctx);
-    return safe_path;
-}
-
-static inline int unhexchar(char c)
-{
-    if (c >= '0' && c <= '9') {
-        return c - '0';
-    }
-
-    if (c >= 'a' && c <= 'f') {
-        return c - 'a' + 10;
-    }
-
-    if (c >= 'A' && c <= 'F') {
-        return c - 'A' + 10;
-    }
-
-    return -1;
-}
-
-char *ifp_bus_path_unescape(TALLOC_CTX *mem_ctx, const char *path)
-{
-    char *safe_path;
-    const char *p;
-    int a, b, c;
-    TALLOC_CTX *tmp_ctx = NULL;
-
-    tmp_ctx = talloc_new(NULL);
-    if (tmp_ctx == NULL) {
-        return NULL;
-    }
-
-    safe_path = talloc_strdup(tmp_ctx, "");
-    if (safe_path == NULL) {
-        goto done;
-    }
-
-    /* Special case for the empty string */
-    if (strcmp(path, "_") == 0) {
-        safe_path = talloc_steal(mem_ctx, safe_path);
-        goto done;
-    }
-
-    for (p = path; *p; p++) {
-        if (*p == '_') {
-            /* There must be at least two more chars after underscore */
-            if (p[1] == '\0' || p[2] == '\0') {
-                safe_path = NULL;
-                goto done;
-            }
-
-            if ((a = unhexchar(p[1])) < 0
-                    || (b = unhexchar(p[2])) < 0) {
-                /* Invalid escape code, let's take it literal then */
-                c = '_';
-            } else {
-                c = ((a << 4) | b);
-                p += 2;
-            }
-        } else  {
-            c = *p;
-        }
-
-        safe_path = talloc_asprintf_append_buffer(safe_path, "%c", c);
-        if (safe_path == NULL) {
-            goto done;
-        }
-    }
-
-    safe_path = talloc_steal(mem_ctx, safe_path);
-done:
-    talloc_free(tmp_ctx);
-    return safe_path;
-}
-
-char *
-_ifp_reply_objpath(TALLOC_CTX *mem_ctx, const char *base,
-                   const char *part, ...)
-{
-    char *safe_part;
-    char *path = NULL;
-    va_list va;
-
-    if (base == NULL) {
-        DEBUG(SSSDBG_OP_FAILURE, "Wrong object path base!\n");
-        return NULL;
-    }
-
-    path = talloc_strdup(mem_ctx, base);
-    if (path == NULL) return NULL;
-
-    va_start(va, part);
-    while (part != NULL) {
-        safe_part = ifp_bus_path_escape(mem_ctx, part);
-        if (safe_part == NULL) {
-            DEBUG(SSSDBG_OP_FAILURE, "Could not add [%s] to objpath\n", part);
-            goto fail;
-        }
-
-        path = talloc_asprintf_append(path, "/%s", safe_part);
-        talloc_free(safe_part);
-        if (path == NULL) {
-            goto fail;
-        }
-
-        part = va_arg(va, const char *);
-    }
-    va_end(va);
-
-    return path;
-
-fail:
-    va_end(va);
-    talloc_free(path);
-    return NULL;
-}
-
 errno_t ifp_add_ldb_el_to_dict(DBusMessageIter *iter_dict,
                                struct ldb_message_element *el)
 {
diff --git a/src/sbus/sssd_dbus.h b/src/sbus/sssd_dbus.h
index 87cffe284..355d617fe 100644
--- a/src/sbus/sssd_dbus.h
+++ b/src/sbus/sssd_dbus.h
@@ -173,6 +173,26 @@ int sbus_conn_register_iface(struct sbus_connection *conn,
 errno_t
 sbus_conn_reregister_paths(struct sbus_connection *conn);
 
+char *
+sbus_opath_escape_part(TALLOC_CTX *mem_ctx,
+                       const char *object_path_part);
+
+char *
+sbus_opath_unescape_part(TALLOC_CTX *mem_ctx,
+                         const char *object_path_part);
+
+char *
+_sbus_opath_compose(TALLOC_CTX *mem_ctx,
+                    const char *base,
+                    const char *part, ...);
+
+#define sbus_opath_compose(mem_ctx, base, ...) \
+    _sbus_opath_compose(mem_ctx, base, ##__VA_ARGS__, NULL)
+
+const char *
+sbus_opath_strip_prefix(const char *object_path,
+                        const char *prefix);
+
 bool sbus_conn_disconnecting(struct sbus_connection *conn);
 
 /* max_retries < 0: retry forever
diff --git a/src/sbus/sssd_dbus_interface.c b/src/sbus/sssd_dbus_interface.c
index a528e3cc9..09e160227 100644
--- a/src/sbus/sssd_dbus_interface.c
+++ b/src/sbus/sssd_dbus_interface.c
@@ -171,6 +171,200 @@ static char *sbus_opath_parent_subtree(TALLOC_CTX *mem_ctx,
     return subtree;
 }
 
+/**
+ * The following path related functions are based on similar code in
+ * storaged, just tailored to use talloc instead of glib
+ */
+char *
+sbus_opath_escape_part(TALLOC_CTX *mem_ctx,
+                       const char *object_path_part)
+{
+    size_t n;
+    char *safe_path = NULL;
+    TALLOC_CTX *tmp_ctx = NULL;
+
+    /* The path must be valid */
+    if (object_path_part == NULL) {
+        return NULL;
+    }
+
+    tmp_ctx = talloc_new(NULL);
+    if (tmp_ctx == NULL) {
+        return NULL;
+    }
+
+    safe_path = talloc_strdup(tmp_ctx, "");
+    if (safe_path == NULL) {
+        goto done;
+    }
+
+    /* Special case for an empty string */
+    if (strcmp(object_path_part, "") == 0) {
+        /* the for loop would just fall through */
+        safe_path = talloc_asprintf_append_buffer(safe_path, "_");
+        if (safe_path == NULL) {
+            goto done;
+        }
+    }
+
+    for (n = 0; object_path_part[n]; n++) {
+        int c = object_path_part[n];
+        /* D-Bus spec says:
+         * *
+         * * Each element must only contain the ASCII characters
+         * "[A-Z][a-z][0-9]_"
+         * */
+        if ((c >= 'A' && c <= 'Z')
+                || (c >= 'a' && c <= 'z')
+                || (c >= '0' && c <= '9')) {
+            safe_path = talloc_asprintf_append_buffer(safe_path, "%c", c);
+            if (safe_path == NULL) {
+                goto done;
+            }
+        } else {
+            safe_path = talloc_asprintf_append_buffer(safe_path, "_%02x", c);
+            if (safe_path == NULL) {
+                goto done;
+            }
+        }
+    }
+
+    safe_path = talloc_steal(mem_ctx, safe_path);
+
+done:
+    talloc_free(tmp_ctx);
+    return safe_path;
+}
+
+static inline int unhexchar(char c)
+{
+    if (c >= '0' && c <= '9') {
+        return c - '0';
+    }
+
+    if (c >= 'a' && c <= 'f') {
+        return c - 'a' + 10;
+    }
+
+    if (c >= 'A' && c <= 'F') {
+        return c - 'A' + 10;
+    }
+
+    return -1;
+}
+
+char *
+sbus_opath_unescape_part(TALLOC_CTX *mem_ctx,
+                         const char *object_path_part)
+{
+    char *safe_path;
+    const char *p;
+    int a, b, c;
+    TALLOC_CTX *tmp_ctx = NULL;
+
+    tmp_ctx = talloc_new(NULL);
+    if (tmp_ctx == NULL) {
+        return NULL;
+    }
+
+    safe_path = talloc_strdup(tmp_ctx, "");
+    if (safe_path == NULL) {
+        goto done;
+    }
+
+    /* Special case for the empty string */
+    if (strcmp(object_path_part, "_") == 0) {
+        safe_path = talloc_steal(mem_ctx, safe_path);
+        goto done;
+    }
+
+    for (p = object_path_part; *p; p++) {
+        if (*p == '_') {
+            /* There must be at least two more chars after underscore */
+            if (p[1] == '\0' || p[2] == '\0') {
+                safe_path = NULL;
+                goto done;
+            }
+
+            if ((a = unhexchar(p[1])) < 0
+                    || (b = unhexchar(p[2])) < 0) {
+                /* Invalid escape code, let's take it literal then */
+                c = '_';
+            } else {
+                c = ((a << 4) | b);
+                p += 2;
+            }
+        } else  {
+            c = *p;
+        }
+
+        safe_path = talloc_asprintf_append_buffer(safe_path, "%c", c);
+        if (safe_path == NULL) {
+            goto done;
+        }
+    }
+
+    safe_path = talloc_steal(mem_ctx, safe_path);
+
+done:
+    talloc_free(tmp_ctx);
+    return safe_path;
+}
+
+char *
+_sbus_opath_compose(TALLOC_CTX *mem_ctx,
+                    const char *base,
+                    const char *part, ...)
+{
+    char *safe_part;
+    char *path = NULL;
+    va_list va;
+
+    if (base == NULL) {
+        DEBUG(SSSDBG_OP_FAILURE, "Wrong object path base!\n");
+        return NULL;
+    }
+
+    path = talloc_strdup(mem_ctx, base);
+    if (path == NULL) return NULL;
+
+    va_start(va, part);
+    while (part != NULL) {
+        safe_part = sbus_opath_escape_part(mem_ctx, part);
+        if (safe_part == NULL) {
+            DEBUG(SSSDBG_OP_FAILURE, "Could not add [%s] to objpath\n", part);
+            goto fail;
+        }
+
+        path = talloc_asprintf_append(path, "/%s", safe_part);
+        talloc_free(safe_part);
+        if (path == NULL) {
+            goto fail;
+        }
+
+        part = va_arg(va, const char *);
+    }
+    va_end(va);
+
+    return path;
+
+fail:
+    va_end(va);
+    talloc_free(path);
+    return NULL;
+}
+
+const char *
+sbus_opath_strip_prefix(const char *object_path,
+                        const char *prefix)
+{
+    if (strncmp(object_path, prefix, strlen(prefix)) == 0) {
+        return object_path + strlen(prefix);
+    }
+
+    return NULL;
+}
+
 static void
 sbus_opath_hash_delete_cb(hash_entry_t *item,
                           hash_destroy_enum deltype,
diff --git a/src/tests/cmocka/test_ifp.c b/src/tests/cmocka/test_ifp.c
index 5793f9191..484ab8568 100644
--- a/src/tests/cmocka/test_ifp.c
+++ b/src/tests/cmocka/test_ifp.c
@@ -134,14 +134,6 @@ void ifp_test_req_wrong_uid(void **state)
     assert_true(leak_check_teardown());
 }
 
-void test_path_prefix(void **state)
-{
-    const char *prefix = "foo";
-
-    assert_non_null(ifp_path_strip_prefix("foobar", prefix));
-    assert_null(ifp_path_strip_prefix("notfoo", prefix));
-}
-
 void test_el_to_dict(void **state)
 {
     static struct sbus_request *sr;
@@ -362,64 +354,6 @@ void test_attr_allowed(void **state)
     assert_false(ifp_attr_allowed(NULL, "name"));
 }
 
-void test_path_escape_unescape(void **state)
-{
-    char *escaped;
-    char *raw;
-    TALLOC_CTX *mem_ctx;
-
-    assert_true(leak_check_setup());
-    mem_ctx = talloc_new(global_talloc_context);
-
-    escaped = ifp_bus_path_escape(mem_ctx, "noescape");
-    assert_non_null(escaped);
-    assert_string_equal(escaped, "noescape");
-    raw = ifp_bus_path_unescape(mem_ctx, escaped);
-    talloc_free(escaped);
-    assert_non_null(raw);
-    assert_string_equal(raw, "noescape");
-    talloc_free(raw);
-
-    escaped = ifp_bus_path_escape(mem_ctx, "redhat.com");
-    assert_non_null(escaped);
-    assert_string_equal(escaped, "redhat_2ecom"); /* dot is 0x2E in ASCII */
-    raw = ifp_bus_path_unescape(mem_ctx, escaped);
-    talloc_free(escaped);
-    assert_non_null(raw);
-    assert_string_equal(raw, "redhat.com");
-    talloc_free(raw);
-
-    escaped = ifp_bus_path_escape(mem_ctx, "path_with_underscore");
-    assert_non_null(escaped);
-    /* underscore is 0x5F in ascii */
-    assert_string_equal(escaped, "path_5fwith_5funderscore");
-    raw = ifp_bus_path_unescape(mem_ctx, escaped);
-    talloc_free(escaped);
-    assert_non_null(raw);
-    assert_string_equal(raw, "path_with_underscore");
-    talloc_free(raw);
-
-    /* empty string */
-    escaped = ifp_bus_path_escape(mem_ctx, "");
-    assert_non_null(escaped);
-    assert_string_equal(escaped, "_");
-    raw = ifp_bus_path_unescape(mem_ctx, escaped);
-    talloc_free(escaped);
-    assert_non_null(raw);
-    assert_string_equal(raw, "");
-    talloc_free(raw);
-
-    /* negative tests */
-    escaped = ifp_bus_path_escape(mem_ctx, NULL);
-    assert_null(escaped);
-    raw = ifp_bus_path_unescape(mem_ctx, "wrongpath_");
-    assert_null(raw);
-
-    assert_true(leak_check_teardown());
-}
-
-#define PATH_BASE "/some/path"
-
 struct ifp_test_req_ctx {
     struct ifp_req *ireq;
     struct sbus_request *sr;
@@ -462,32 +396,6 @@ void ifp_test_req_teardown(void **state)
     assert_true(leak_check_teardown());
 }
 
-void test_reply_path(void **state)
-{
-    struct ifp_test_req_ctx *test_ctx = talloc_get_type_abort(*state,
-                                                struct ifp_test_req_ctx);
-    char *path;
-
-    /* Doesn't need escaping */
-    path = ifp_reply_objpath(test_ctx->ireq, PATH_BASE, "domname", NULL);
-    assert_non_null(path);
-    assert_string_equal(path, PATH_BASE"/domname");
-    talloc_free(path);
-}
-
-void test_reply_path_escape(void **state)
-{
-    struct ifp_test_req_ctx *test_ctx = talloc_get_type_abort(*state,
-                                                struct ifp_test_req_ctx);
-    char *path;
-
-    /* A dot needs escaping */
-    path = ifp_reply_objpath(test_ctx->ireq, PATH_BASE, "redhat.com", NULL);
-    assert_non_null(path);
-    assert_string_equal(path, PATH_BASE"/redhat_2ecom");
-    talloc_free(path);
-}
-
 int main(int argc, const char *argv[])
 {
     poptContext pc;
@@ -501,17 +409,11 @@ int main(int argc, const char *argv[])
     const UnitTest tests[] = {
         unit_test(ifp_test_req_create),
         unit_test(ifp_test_req_wrong_uid),
-        unit_test(test_path_prefix),
         unit_test_setup_teardown(test_el_to_dict,
                                  ifp_test_req_setup, ifp_test_req_teardown),
         unit_test(test_attr_acl),
         unit_test(test_attr_acl_ex),
         unit_test(test_attr_allowed),
-        unit_test(test_path_escape_unescape),
-        unit_test_setup_teardown(test_reply_path,
-                                 ifp_test_req_setup, ifp_test_req_teardown),
-        unit_test_setup_teardown(test_reply_path_escape,
-                                 ifp_test_req_setup, ifp_test_req_teardown),
     };
 
     /* Set debug level to invalid value so we can deside if -d 0 was used. */
diff --git a/src/tests/cmocka/test_sbus_opath.c b/src/tests/cmocka/test_sbus_opath.c
new file mode 100644
index 000000000..b526c8873
--- /dev/null
+++ b/src/tests/cmocka/test_sbus_opath.c
@@ -0,0 +1,157 @@
+/*
+    Authors:
+        Jakub Hrozek <jhrozek@redhat.com>
+        Pavel Březina <pbrezina@redhat.com>
+
+    Copyright (C) 2014 Red Hat
+
+    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 <talloc.h>
+#include <errno.h>
+#include <popt.h>
+
+#include "sbus/sssd_dbus.h"
+#include "tests/cmocka/common_mock.h"
+#include "tests/common.h"
+
+void test_sbus_opath_strip_prefix(void **state)
+{
+    const char *prefix = "/org/freedesktop/sssd/";
+    const char *path = "/org/freedesktop/sssd/infopipe";
+    const char *strip;
+
+    strip = sbus_opath_strip_prefix(path, prefix);
+    assert_non_null(prefix);
+    assert_string_equal(strip, "infopipe");
+
+    strip = sbus_opath_strip_prefix("/other/path", prefix);
+    assert_null(strip);
+}
+
+void test_sbus_opath_escape_unescape(void **state)
+{
+    char *escaped;
+    char *raw;
+    TALLOC_CTX *mem_ctx;
+
+    assert_true(leak_check_setup());
+    mem_ctx = talloc_new(global_talloc_context);
+
+    escaped = sbus_opath_escape_part(mem_ctx, "noescape");
+    assert_non_null(escaped);
+    assert_string_equal(escaped, "noescape");
+    raw = sbus_opath_unescape_part(mem_ctx, escaped);
+    talloc_free(escaped);
+    assert_non_null(raw);
+    assert_string_equal(raw, "noescape");
+    talloc_free(raw);
+
+    escaped = sbus_opath_escape_part(mem_ctx, "redhat.com");
+    assert_non_null(escaped);
+    assert_string_equal(escaped, "redhat_2ecom"); /* dot is 0x2E in ASCII */
+    raw = sbus_opath_unescape_part(mem_ctx, escaped);
+    talloc_free(escaped);
+    assert_non_null(raw);
+    assert_string_equal(raw, "redhat.com");
+    talloc_free(raw);
+
+    escaped = sbus_opath_escape_part(mem_ctx, "path_with_underscore");
+    assert_non_null(escaped);
+    /* underscore is 0x5F in ascii */
+    assert_string_equal(escaped, "path_5fwith_5funderscore");
+    raw = sbus_opath_unescape_part(mem_ctx, escaped);
+    talloc_free(escaped);
+    assert_non_null(raw);
+    assert_string_equal(raw, "path_with_underscore");
+    talloc_free(raw);
+
+    /* empty string */
+    escaped = sbus_opath_escape_part(mem_ctx, "");
+    assert_non_null(escaped);
+    assert_string_equal(escaped, "_");
+    raw = sbus_opath_unescape_part(mem_ctx, escaped);
+    talloc_free(escaped);
+    assert_non_null(raw);
+    assert_string_equal(raw, "");
+    talloc_free(raw);
+
+    /* negative tests */
+    escaped = sbus_opath_escape_part(mem_ctx, NULL);
+    assert_null(escaped);
+    raw = sbus_opath_unescape_part(mem_ctx, "wrongpath_");
+    assert_null(raw);
+
+    assert_true(leak_check_teardown());
+}
+
+void test_sbus_opath_compose(void **state)
+{
+    char *path;
+
+    /* Doesn't need escaping */
+    path = sbus_opath_compose(NULL, "/base/path", "domname");
+    assert_non_null(path);
+    assert_string_equal(path, "/base/path/domname");
+    talloc_free(path);
+}
+
+void test_sbus_opath_compose_escape(void **state)
+{
+    char *path;
+
+    /* A dot needs escaping */
+    path = sbus_opath_compose(NULL, "/base/path", "redhat.com", NULL);
+    assert_non_null(path);
+    assert_string_equal(path, "/base/path/redhat_2ecom");
+    talloc_free(path);
+}
+
+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_sbus_opath_strip_prefix),
+        unit_test(test_sbus_opath_escape_unescape),
+        unit_test(test_sbus_opath_compose),
+        unit_test(test_sbus_opath_compose_escape),
+    };
+
+    /* 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);
+
+    return run_tests(tests);
+}