Pin checks and disabled account behavior

[tpg/opendispense2.git] / src / client / protocol.c

diff --git a/src/client/protocol.c b/src/client/protocol.c
index 483ee57..ad8a6bf 100644 (file)
--- a/src/client/protocol.c
+++ b/src/client/protocol.c
@@ -55,8 +55,6 @@ int OpenConnection(const char *Host, int Port)
                return -1;
        }
 
-//     printf("geteuid() = %i, getuid() = %i\n", geteuid(), getuid());
-       
        if( geteuid() == 0 || getuid() == 0 )
        {
                 int    i;
@@ -74,8 +72,6 @@ int OpenConnection(const char *Host, int Port)
                }
                if( i == 1024 )
                        printf("Warning: AUTOAUTH unavaliable\n");
-//             else
-//                     printf("Bound to 0.0.0.0:%i\n", i);
        }
        
        if( connect(sock, (struct sockaddr *) &serverAddr, sizeof(serverAddr)) < 0 ) {
@@ -514,6 +510,62 @@ int Dispense_ItemInfo(int Socket, const char *Type, int ID)
        return 0;
 }
 
+int DispenseCheckPin(int Socket, const char *Username, const char *Pin)
+{
+        int    ret, responseCode;
+       char    *buf;
+       
+       if( strlen(Pin) != 4 ) {
+               fprintf(stderr, "Pin format incorrect (not 4 characters long)\n");
+               return RV_ARGUMENTS;
+       }
+               
+       for( int i = 0; i < 4; i ++ )
+               if( !isdigit(Pin[i]) ) {
+                       fprintf(stderr, "Pin format incorrect (character %i not a digit)\n", i);
+                       return RV_ARGUMENTS;
+               }
+       }
+       
+       sendf(Socket, "CHECK_PIN %s %s\n", Username, Pin);
+       buf = ReadLine(Socket);
+       
+       responseCode = atoi(buf);
+       switch( responseCode )
+       {
+       case 200:       // Pin correct
+               printf("Pin OK\n");
+               ret = 0;
+               break;
+       case 201:
+               printf("Pin incorrect\n");
+               ret = RV_INVALID_USER;
+               break;
+       case 401:
+               printf("Not authenticated\n");
+               ret = RV_PERMISSIONS;
+               break;
+       case 403:
+               printf("Only coke members can check accounts other than their own\n");
+               ret = RV_PERMISSIONS;
+               break;
+       case 404:
+               printf("User '%s' not found\n", Username);
+               ret = RV_INVALID_USER;
+               break;
+       case 407:
+               printf("Rate limited or client-server disagree on pin format\n");
+               ret = RV_SERVER_ERROR;
+               break;
+       default:
+               printf("Unknown response code %i ('%s')\n", responseCode, buf);
+               ret = RV_UNKNOWN_ERROR;
+               break;
+       }
+       free(buf);
+       return ret;
+}
+
 /**
  * \brief Dispense an item
  * \return Boolean Failure