add error checking to T=CL test program

git-svn-id: https://svn.gnumonks.org/trunk/librfid@1808 e0336214-984f-0b4b-a45f-81c69e1f0ede

diff --git a/utils/librfid-tool.c b/utils/librfid-tool.c
index 5e55b50..8b7f58e 100644 (file)
--- a/utils/librfid-tool.c
+++ b/utils/librfid-tool.c
@@ -361,25 +361,49 @@ int main(int argc, char **argv)
                printf("Protocol T=CL\n");
                /* we've established T=CL at this point */
                printf("selecting Master File\n");
-               select_mf();
+               rc = select_mf();
+               if (rc < 0) {
+                       printf("error selecting MF\n");
+                       break;
+               }
 
                printf("Getting random challenge, length 255\n");
-               iso7816_get_challenge(0xff);
+               rc = iso7816_get_challenge(0xff);
+               if (rc < 0) {
+                       printf("error getting random challenge\n");
+                       break;
+               }
 
                printf("selecting Passport application\n");
-               iso7816_select_application();
+               rc = iso7816_select_application();
+               if (rc < 0) {
+                       printf("error selecting passport application\n");
+                       break;
+               }
 
                printf("selecting EF 0x1e\n");
-               iso7816_select_ef(0x011e);
+               rc = iso7816_select_ef(0x011e);
+               if (rc < 0) {
+                       printf("error selecting EF 0x1e\n");
+                       break;
+               }
 
                printf("selecting EF 0x01\n");
-               iso7816_select_ef(0x0101);
+               rc = iso7816_select_ef(0x0101);
+               if (rc < 0) {
+                       printf("error selecting EF 0x01\n");
+                       break;
+               }
 
                while (1) {
                        printf("reading EF1\n");
                        len = 200;
                        printf("reading ef\n");
-                       iso7816_read_binary(buf, &len);
+                       rc = iso7816_read_binary(buf, &len);
+                       if (rc < 0) {
+                               printf("error reading EF\n");
+                               break;
+                       }
                }
 #if 0
                for (i = 0; i < 4; i++)