LCOV - code coverage report
Current view: top level - control - tap-ctl-open.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 24 0.0 %
Date: 2025-02-07 10:09:38 Functions: 0 1 0.0 %
Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (c) 2016, Citrix Systems, Inc.
       3                 :            :  *
       4                 :            :  * All rights reserved.
       5                 :            :  *
       6                 :            :  * Redistribution and use in source and binary forms, with or without
       7                 :            :  * modification, are permitted provided that the following conditions are met:
       8                 :            :  * 
       9                 :            :  *  1. Redistributions of source code must retain the above copyright
      10                 :            :  *     notice, this list of conditions and the following disclaimer.
      11                 :            :  *  2. Redistributions in binary form must reproduce the above copyright
      12                 :            :  *     notice, this list of conditions and the following disclaimer in the
      13                 :            :  *     documentation and/or other materials provided with the distribution.
      14                 :            :  *  3. Neither the name of the copyright holder nor the names of its 
      15                 :            :  *     contributors may be used to endorse or promote products derived from 
      16                 :            :  *     this software without specific prior written permission.
      17                 :            :  *
      18                 :            :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      19                 :            :  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      20                 :            :  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      21                 :            :  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
      22                 :            :  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
      23                 :            :  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
      24                 :            :  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
      25                 :            :  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
      26                 :            :  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
      27                 :            :  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
      28                 :            :  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      29                 :            :  */
      30                 :            : 
      31                 :            : #ifdef HAVE_CONFIG_H
      32                 :            : #include "config.h"
      33                 :            : #endif
      34                 :            : 
      35                 :            : #include <stdio.h>
      36                 :            : #include <errno.h>
      37                 :            : #include <stdlib.h>
      38                 :            : #include <unistd.h>
      39                 :            : #include <string.h>
      40                 :            : #include <getopt.h>
      41                 :            : 
      42                 :            : #include "tap-ctl.h"
      43                 :            : 
      44                 :            : int
      45                 :          0 : tap_ctl_open(const int id, const int minor, const char *params, int flags,
      46                 :            :              const int prt_minor, const char *secondary, int timeout,
      47                 :            :              const char* logpath, uint8_t key_size, uint8_t *encryption_key)
      48                 :            : {
      49                 :            :         int err;
      50                 :            :         tapdisk_message_t message;
      51                 :            : 
      52                 :            :         memset(&message, 0, sizeof(message));
      53                 :          0 :         message.type = TAPDISK_MESSAGE_OPEN;
      54                 :          0 :         message.cookie = minor;
      55                 :          0 :         message.u.params.devnum = minor;
      56                 :          0 :         message.u.params.prt_devnum = prt_minor;
      57                 :          0 :         message.u.params.req_timeout = timeout;
      58                 :          0 :         message.u.params.flags = flags;
      59                 :            : 
      60                 :          0 :         err = snprintf(message.u.params.path,
      61                 :            :                        sizeof(message.u.params.path) - 1, "%s", params);
      62                 :          0 :         if (err >= sizeof(message.u.params.path)) {
      63                 :            :                 EPRINTF("name too long\n");
      64                 :          0 :                 return ENAMETOOLONG;
      65                 :            :         }
      66                 :            : 
      67                 :          0 :         if (secondary) {
      68                 :          0 :                 err = snprintf(message.u.params.secondary,
      69                 :            :                                sizeof(message.u.params.secondary) - 1, "%s",
      70                 :            :                                secondary);
      71                 :          0 :                 if (err >= sizeof(message.u.params.secondary)) {
      72                 :            :                         EPRINTF("secondary image name too long\n");
      73                 :            :                         return ENAMETOOLONG;
      74                 :            :                 }
      75                 :            :         }
      76                 :          0 :         if (flags & (TAPDISK_MESSAGE_FLAG_ADD_LOG | TAPDISK_MESSAGE_FLAG_OPEN_ENCRYPTED)) {
      77                 :          0 :                 err = tap_ctl_connect_send_receive_ex(
      78                 :            :                         id, &message, logpath, key_size, encryption_key, NULL);
      79                 :            :         }
      80                 :            :         else {
      81                 :          0 :                 err = tap_ctl_connect_send_and_receive(id, &message, NULL);
      82                 :            :         }
      83                 :            : 
      84                 :          0 :         if (encryption_key)
      85                 :          0 :                 free(encryption_key);
      86                 :            : 
      87                 :          0 :         if (err)
      88                 :            :                 return err;
      89                 :            : 
      90                 :          0 :         switch (message.type) {
      91                 :            :         case TAPDISK_MESSAGE_OPEN_RSP:
      92                 :            :                 break;
      93                 :            :         case TAPDISK_MESSAGE_ERROR:
      94                 :          0 :                 err = -message.u.response.error;
      95                 :          0 :                 EPRINTF("open failed: %s\n", strerror(-err));
      96                 :            :                 break;
      97                 :            :         default:
      98                 :          0 :                 EPRINTF("got unexpected result '%s' from %d\n",
      99                 :            :                         tapdisk_message_name(message.type), id);
     100                 :            :                 err = EINVAL;
     101                 :            :         }
     102                 :            : 
     103                 :          0 :         return err;
     104                 :            : }

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