From 071236e3e252fd0dcf5102739adecb8e69a76c4c Mon Sep 17 00:00:00 2001
From: juga0 <juga@riseup.net>
Date: Mon, 2 Apr 2018 14:16:04 +0000
Subject: [PATCH] Add a test for geoip_load_file() using geoip6

Signed-off-by: Isis Lovecruft <isis@torproject.org>
---
 src/test/test_geoip.c | 63 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/src/test/test_geoip.c b/src/test/test_geoip.c
index 20f6114dc0..b4719be6cf 100644
--- a/src/test/test_geoip.c
+++ b/src/test/test_geoip.c
@@ -444,6 +444,68 @@ test_geoip_load_file(void *arg)
   tor_free(dhex);
 }
 
+static void
+test_geoip6_load_file(void *arg)
+{
+  (void)arg;
+  struct in6_addr iaddr6;
+  char *contents = NULL;
+  char *dhex = NULL;
+
+  /* A nonexistant filename should fail. */
+  /* NOTE: this is probably not needed, as the path is the same, just using
+  AF_INET6 */
+  tt_int_op(-1, OP_EQ,
+            geoip_load_file(AF_INET6, "/you/did/not/put/a/file/here/I/hope"));
+
+  /* Any lookup attempt should say "-1" because we have no info */
+  tor_inet_pton(AF_INET6, "2001:4860:4860::8888", &iaddr6);
+  tt_int_op(-1, OP_EQ, geoip_get_country_by_ipv6(&iaddr6));
+
+  /* Load geiop6 file */
+  const char FNAME6[] = SRCDIR "/src/config/geoip6";
+  tt_int_op(0, OP_EQ, geoip_load_file(AF_INET6, FNAME6));
+
+  /* Check that we loaded some countries; this will fail if there are ever
+   * fewer than 50 countries in the world. */
+  tt_int_op(geoip_get_n_countries(), OP_GE, 50);
+
+  /* Let's see where 2001:4860:4860::8888 (google dns) is. */
+  const char *caddr6 = "2001:4860:4860::8888";
+  tor_inet_pton(AF_INET6, caddr6, &iaddr6);
+  int country6 = geoip_get_country_by_ipv6(&iaddr6);
+  tt_int_op(country6, OP_GE, 1);
+
+  const char *cc6 = geoip_get_country_name(country6);
+  tt_int_op(strlen(cc6), OP_EQ, 2);
+
+  /* The digest should be set.... */
+  tt_str_op("0000000000000000000000000000000000000000", OP_NE,
+            geoip_db_digest(AF_INET6));
+
+  /* And it should be set correctly */
+  contents = read_file_to_str(FNAME6, RFTS_BIN, NULL);
+  uint8_t d[DIGEST_LEN];
+  crypto_digest((char*)d, contents, strlen(contents));
+  dhex = tor_strdup(hex_str((char*)d, DIGEST_LEN));
+  tt_str_op(dhex, OP_EQ, geoip_db_digest(AF_INET6));
+
+  /* Make sure geoip_free_all() works. */
+  /* NOTE: is this needed here?, if geoip_free_all, it should not change with
+  ipv6 */
+  geoip_free_all();
+  tt_int_op(1, OP_EQ, geoip_get_n_countries());
+  tt_str_op("??", OP_EQ, geoip_get_country_name(0));
+  tor_inet_pton(AF_INET6, "::1:2:3:4", &iaddr6);
+  tt_int_op(-1, OP_EQ, geoip_get_country_by_ipv6(&iaddr6));
+  tt_str_op("0000000000000000000000000000000000000000", OP_EQ,
+            geoip_db_digest(AF_INET6));
+
+ done:
+  tor_free(contents);
+  tor_free(dhex);
+}
+
 #define ENT(name)                                                       \
   { #name, test_ ## name , 0, NULL, NULL }
 #define FORK(name)                                                      \
@@ -459,6 +521,7 @@ struct testcase_t geoip_tests[] = {
   { "geoip", test_geoip, TT_FORK, NULL, NULL },
   { "geoip_with_pt", test_geoip_with_pt, TT_FORK, NULL, NULL },
   { "load_file", test_geoip_load_file, TT_FORK|SKIP_ON_WINDOWS, NULL, NULL },
+  { "load_file6", test_geoip6_load_file, TT_FORK, NULL, NULL },
 
   END_OF_TESTCASES
 };