server/options.h

   1 /* nbdkit
   2  * Copyright (C) 2013-2019 Red Hat Inc.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *
  11  * * 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  *
  15  * * Neither the name of Red Hat nor the names of its contributors may be
  16  * used to endorse or promote products derived from this software without
  17  * specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  22  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  26  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  27  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  29  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  */
  32
  33 #ifndef NBDKIT_OPTIONS_H
  34 #define NBDKIT_OPTIONS_H
  35
  36 #include <stdbool.h>
  37 #include <getopt.h>
  38 #include <limits.h>
  39 #include <string.h>
  40
  41 enum {
  42   HELP_OPTION = CHAR_MAX + 1,
  43   DUMP_CONFIG_OPTION,
  44   DUMP_PLUGIN_OPTION,
  45   EXIT_WITH_PARENT_OPTION,
  46   FILTER_OPTION,
  47   LOG_OPTION,
  48   LONG_OPTIONS_OPTION,
  49   MASK_HANDSHAKE_OPTION,
  50   NO_SR_OPTION,
  51   RUN_OPTION,
  52   SELINUX_LABEL_OPTION,
  53   SHORT_OPTIONS_OPTION,
  54   TLS_OPTION,
  55   TLS_CERTIFICATES_OPTION,
  56   TLS_PSK_OPTION,
  57   TLS_VERIFY_PEER_OPTION,
  58 };
  59
  60 static const char *short_options = "D:e:fg:i:nop:P:rst:u:U:vV";
  61 static const struct option long_options[] = {
  62   { "debug",            required_argument, NULL, 'D' },
  63   { "dump-config",      no_argument,       NULL, DUMP_CONFIG_OPTION },
  64   { "dump-plugin",      no_argument,       NULL, DUMP_PLUGIN_OPTION },
  65   { "exit-with-parent", no_argument,       NULL, EXIT_WITH_PARENT_OPTION },
  66   { "export",           required_argument, NULL, 'e' },
  67   { "export-name",      required_argument, NULL, 'e' },
  68   { "exportname",       required_argument, NULL, 'e' },
  69   { "filter",           required_argument, NULL, FILTER_OPTION },
  70   { "foreground",       no_argument,       NULL, 'f' },
  71   { "no-fork",          no_argument,       NULL, 'f' },
  72   { "group",            required_argument, NULL, 'g' },
  73   { "help",             no_argument,       NULL, HELP_OPTION },
  74   { "ip-addr",          required_argument, NULL, 'i' },
  75   { "ipaddr",           required_argument, NULL, 'i' },
  76   { "log",              required_argument, NULL, LOG_OPTION },
  77   { "long-options",     no_argument,       NULL, LONG_OPTIONS_OPTION },
  78   { "mask-handshake",   required_argument, NULL, MASK_HANDSHAKE_OPTION },
  79   { "new-style",        no_argument,       NULL, 'n' },
  80   { "newstyle",         no_argument,       NULL, 'n' },
  81   { "no-sr",            no_argument,       NULL, NO_SR_OPTION },
  82   { "old-style",        no_argument,       NULL, 'o' },
  83   { "oldstyle",         no_argument,       NULL, 'o' },
  84   { "pid-file",         required_argument, NULL, 'P' },
  85   { "pidfile",          required_argument, NULL, 'P' },
  86   { "port",             required_argument, NULL, 'p' },
  87   { "read-only",        no_argument,       NULL, 'r' },
  88   { "readonly",         no_argument,       NULL, 'r' },
  89   { "run",              required_argument, NULL, RUN_OPTION },
  90   { "selinux-label",    required_argument, NULL, SELINUX_LABEL_OPTION },
  91   { "short-options",    no_argument,       NULL, SHORT_OPTIONS_OPTION },
  92   { "single",           no_argument,       NULL, 's' },
  93   { "stdin",            no_argument,       NULL, 's' },
  94   { "threads",          required_argument, NULL, 't' },
  95   { "tls",              required_argument, NULL, TLS_OPTION },
  96   { "tls-certificates", required_argument, NULL, TLS_CERTIFICATES_OPTION },
  97   { "tls-psk",          required_argument, NULL, TLS_PSK_OPTION },
  98   { "tls-verify-peer",  no_argument,       NULL, TLS_VERIFY_PEER_OPTION },
  99   { "unix",             required_argument, NULL, 'U' },
 100   { "user",             required_argument, NULL, 'u' },
 101   { "verbose",          no_argument,       NULL, 'v' },
 102   { "version",          no_argument,       NULL, 'V' },
 103   { NULL },
 104 };
 105
 106 /* Is it a plugin or filter name relative to the plugindir/filterdir? */
 107 static inline bool
 108 is_short_name (const char *filename)
 109 {
 110   return strchr (filename, '.') == NULL && strchr (filename, '/') == NULL;
 111 }
 112
 113 #endif /* NBDKIT_OPTIONS_H */