diff options
Diffstat (limited to 'src/platform/tests/test-common.c')
| -rw-r--r-- | src/platform/tests/test-common.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/platform/tests/test-common.c b/src/platform/tests/test-common.c index ab40f65240..3e716bf8c9 100644 --- a/src/platform/tests/test-common.c +++ b/src/platform/tests/test-common.c @@ -125,6 +125,113 @@ link_callback (NMPlatform *platform, int ifindex, NMPlatformLink *received, NMPl g_error ("Added/changed link not found in the local cache."); } +gboolean +ip4_route_exists (const char *ifname, guint32 network, int plen, guint32 metric) +{ + gs_free char *arg_network = NULL; + const char *argv[] = { + NULL, + "route", + "list", + "dev", + ifname, + "exact", + NULL, + NULL, + }; + int exit_status; + gs_free char *std_out = NULL, *std_err = NULL; + char *out; + gboolean success; + gs_free_error GError *error = NULL; + gs_free char *metric_pattern = NULL; + + g_assert (ifname && nm_utils_iface_valid_name (ifname)); + g_assert (!strstr (ifname, " metric ")); + g_assert (plen >= 0 && plen <= 32); + + if (!NM_IS_LINUX_PLATFORM (nm_platform_get ())) { + /* If we don't test against linux-platform, we don't actually configure any + * routes in the system. */ + return -1; + } + + argv[0] = nm_utils_file_search_in_paths ("ip", NULL, + (const char *[]) { "/sbin", "/usr/sbin", NULL }, + G_FILE_TEST_IS_EXECUTABLE, NULL, NULL, NULL); + argv[6] = arg_network = g_strdup_printf ("%s/%d", nm_utils_inet4_ntop (network, NULL), plen); + + if (!argv[0]) { + /* Hm. There is no 'ip' binary. Return *unknown* */ + return -1; + } + + success = g_spawn_sync (NULL, + (char **) argv, + (char *[]) { NULL }, + 0, + NULL, + NULL, + &std_out, + &std_err, + &exit_status, + &error); + g_assert_no_error (error); + g_assert (success); + g_assert_cmpstr (std_err, ==, ""); + g_assert (std_out); + + metric_pattern = g_strdup_printf (" metric %u", metric); + out = std_out; + while (out) { + char *eol = strchr (out, '\n'); + gs_free char *line = eol ? g_strndup (out, eol - out) : g_strdup (out); + const char *p; + + out = eol ? &eol[1] : NULL; + if (!line[0]) + continue; + + if (metric == 0) { + if (!strstr (line, " metric ")) + return TRUE; + } + p = strstr (line, metric_pattern); + if (p && NM_IN_SET (p[strlen (metric_pattern)], ' ', '\0')) + return TRUE; + } + return FALSE; +} + +void +_assert_ip4_route_exists (const char *file, guint line, const char *func, gboolean exists, const char *ifname, guint32 network, int plen, guint32 metric) +{ + int ifindex; + gboolean exists_checked; + + /* Check for existance of the route by spawning iproute2. Do this because platform + * code might be entirely borked, but we expect ip-route to give a correct result. + * If the ip command cannot be found, we accept this as success. */ + exists_checked = ip4_route_exists (ifname, network, plen, metric); + if (exists_checked != -1 && !exists_checked != !exists) { + g_error ("[%s:%u] %s(): We expect the ip4 route %s/%d metric %u %s, but it %s", + file, line, func, + nm_utils_inet4_ntop (network, NULL), plen, metric, + exists ? "to exist" : "not to exist", + exists ? "doesn't" : "does"); + } + + ifindex = nm_platform_link_get_ifindex (ifname); + g_assert (ifindex > 0); + if (!nm_platform_ip4_route_exists (ifindex, network, plen, metric) != !exists) { + g_error ("[%s:%u] %s(): The ip4 route %s/%d metric %u %s, but platform thinks %s", + file, line, func, + nm_utils_inet4_ntop (network, NULL), plen, metric, + exists ? "exists" : "does not exist", + exists ? "it doesn't" : "it does"); + } +} + void run_command (const char *format, ...) { |