[PATCH libcacard 37/45] tests: GP Card Manager and responses on SELECT APDU

[Jakub Jelen <jjelen@xxxxxxxxxx>]

Signed-off-by: Jakub Jelen <jjelen@xxxxxxxxxx>
Reviewed-by: Robert Relyea <rrelyea@xxxxxxxxxx>
---
 tests/common.c    | 19 ++++++++++++++++---
 tests/common.h    |  2 ++
 tests/libcacard.c | 34 ++++++++++++++++++++++++++++++++++
 3 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/tests/common.c b/tests/common.c
index 1f01e54..839c42b 100644
--- a/tests/common.c
+++ b/tests/common.c
@@ -57,7 +57,8 @@ void select_coid_bad(VReader *reader, unsigned char *coid)
 }
 
 
-void select_aid(VReader *reader, unsigned char *aid, unsigned int aid_len)
+int select_aid_response(VReader *reader, unsigned char *aid,
+                        unsigned int aid_len, int response)
 {
     VReaderStatus status;
     int dwRecvLength = APDUBufSize;
@@ -77,8 +78,20 @@ void select_aid(VReader *reader, unsigned char *aid, unsigned int aid_len)
                                selfile, selfile_len,
                                pbRecvBuffer, &dwRecvLength);
     g_assert_cmpint(status, ==, VREADER_OK);
-    g_assert_cmphex(pbRecvBuffer[dwRecvLength-2], ==, VCARD7816_SW1_SUCCESS);
-    g_assert_cmphex(pbRecvBuffer[dwRecvLength-1], ==, 0x00);
+    if (response) {
+        /* we expect some response bytes */
+        g_assert_cmphex(pbRecvBuffer[dwRecvLength-2], ==, VCARD7816_SW1_RESPONSE_BYTES);
+        g_assert_cmphex(pbRecvBuffer[dwRecvLength-1], >, 0);
+    } else {
+        g_assert_cmphex(pbRecvBuffer[dwRecvLength-2], ==, VCARD7816_SW1_SUCCESS);
+        g_assert_cmphex(pbRecvBuffer[dwRecvLength-1], ==, 0x00);
+    }
+    return pbRecvBuffer[dwRecvLength-2];
+}
+
+void select_aid(VReader *reader, unsigned char *aid, unsigned int aid_len)
+{
+    (void) select_aid_response(reader, aid, aid_len, 0);
 }
 
 void get_properties_coid(VReader *reader, const unsigned char coid[2],
diff --git a/tests/common.h b/tests/common.h
index 21144a1..c02ea6b 100644
--- a/tests/common.h
+++ b/tests/common.h
@@ -27,6 +27,8 @@ enum {
 void select_coid_good(VReader *reader, unsigned char *coid);
 void select_coid_bad(VReader *reader, unsigned char *coid);
 
+int select_aid_response(VReader *reader, unsigned char *aid,
+                        unsigned int aid_len, int response);
 void select_aid(VReader *reader, unsigned char *aid, unsigned int aid_len);
 void select_applet(VReader *reader, int type);
 
diff --git a/tests/libcacard.c b/tests/libcacard.c
index c4bffba..b340038 100644
--- a/tests/libcacard.c
+++ b/tests/libcacard.c
@@ -545,6 +545,39 @@ static void test_select_coid(void)
     vreader_free(reader); /* get by id ref */
 }
 
+static void test_gp_applet(void)
+{
+    int dwRecvLength = APDUBufSize;
+    VReaderStatus status;
+    uint8_t pbRecvBuffer[APDUBufSize];
+    uint8_t gp_aid[] = {
+        0xA0, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00
+    };
+    uint8_t getresp[] = {
+        /* Get Response (max we can get) */
+        0x00, 0xc0, 0x00, 0x00, 0x00
+    };
+    VReader *reader = vreader_get_reader_by_id(0);
+
+    /* select GP and wait for the response bytes */
+    select_aid_response(reader, gp_aid, sizeof(gp_aid), 1);
+
+    /* read the response from the card */
+    dwRecvLength = APDUBufSize;
+    status = vreader_xfr_bytes(reader,
+                               getresp, sizeof(getresp),
+                               pbRecvBuffer, &dwRecvLength);
+    g_assert_cmpint(status, ==, VREADER_OK);
+    g_assert_cmpint(dwRecvLength, >, 2);
+    g_assert_cmphex(pbRecvBuffer[dwRecvLength-2], ==, VCARD7816_SW1_SUCCESS);
+    g_assert_cmphex(pbRecvBuffer[dwRecvLength-1], ==, 0x00);
+
+    /* We made sure the selection of other applets does not return anything
+     * in select_aid()
+     */
+
+    vreader_free(reader); /* get by id ref */
+}
 int main(int argc, char *argv[])
 {
     int ret;
@@ -566,6 +599,7 @@ int main(int argc, char *argv[])
     g_test_add_func("/libcacard/login", test_login);
     g_test_add_func("/libcacard/sign", test_sign);
     g_test_add_func("/libcacard/empty-applets", test_empty_applets);
+    g_test_add_func("/libcacard/gp-applet", test_gp_applet);
     g_test_add_func("/libcacard/remove", test_remove);
 
     ret = g_test_run();
-- 
2.17.1

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