crypto/dist/heimdal/lib/sl/ss.c

   1 /*
   2  * Copyright (c) 1998 - 2000 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   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
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "sl_locl.h"
  35 #include <com_err.h>
  36 #include "ss.h"
  37
  38 __RCSID("$Heimdal: ss.c 15429 2005-06-16 19:24:11Z lha $"
  39         "$NetBSD$");
  40
  41 struct ss_subst {
  42     char *name;
  43     char *version;
  44     char *info;
  45     ss_request_table *table;
  46 };
  47
  48 static struct ss_subst subsystems[2];
  49 static int num_subsystems;
  50
  51 int
  52 ss_create_invocation(const char *subsystem,
  53                      const char *version,
  54                      const char *info,
  55                      ss_request_table *table,
  56                      int *code)
  57 {
  58     struct ss_subst *ss;
  59
  60     if(num_subsystems >= sizeof(subsystems) / sizeof(subsystems[0])) {
  61         *code = 17;
  62         return 0;
  63     }
  64     ss = &subsystems[num_subsystems];
  65     ss->name = ss->version = ss->info = NULL;
  66     if (subsystem != NULL) {
  67         ss->name = strdup (subsystem);
  68         if (ss->name == NULL) {
  69             *code = ENOMEM;
  70             return 0;
  71         }
  72     }
  73     if (version != NULL) {
  74         ss->version = strdup (version);
  75         if (ss->version == NULL) {
  76             *code = ENOMEM;
  77             return 0;
  78         }
  79     }
  80     if (info != NULL) {
  81         ss->info = strdup (info);
  82         if (ss->info == NULL) {
  83             *code = ENOMEM;
  84             return 0;
  85         }
  86     }
  87     ss->table = table;
  88     *code = 0;
  89     return num_subsystems++;
  90 }
  91
  92 void
  93 ss_error (int idx, long code, const char *fmt, ...)
  94 {
  95     va_list ap;
  96     va_start(ap, fmt);
  97     com_err_va (subsystems[idx].name, code, fmt, ap);
  98     va_end(ap);
  99 }
 100
 101 void
 102 ss_perror (int idx, long code, const char *msg)
 103 {
 104     ss_error(idx, code, "%s", msg);
 105 }
 106
 107 int
 108 ss_execute_command(int idx, char **argv)
 109 {
 110     int argc = 0;
 111     int ret;
 112
 113     while(argv[argc++]);
 114     ret = sl_command(subsystems[idx].table, argc, argv);
 115     if (ret == SL_BADCOMMAND)
 116         return SS_ET_COMMAND_NOT_FOUND;
 117     return 0;
 118 }
 119
 120 int
 121 ss_execute_line (int idx, const char *line)
 122 {
 123     char *buf = strdup(line);
 124     int argc;
 125     char **argv;
 126     int ret;
 127
 128     if (buf == NULL)
 129         return ENOMEM;
 130     sl_make_argv(buf, &argc, &argv);
 131     ret = sl_command(subsystems[idx].table, argc, argv);
 132     free(buf);
 133     if (ret == SL_BADCOMMAND)
 134         return SS_ET_COMMAND_NOT_FOUND;
 135     return 0;
 136 }
 137
 138 int
 139 ss_listen (int idx)
 140 {
 141     char *prompt = malloc(strlen(subsystems[idx].name) + 3);
 142     if (prompt == NULL)
 143         return ENOMEM;
 144
 145     strcpy(prompt, subsystems[idx].name);
 146     strcat(prompt, ": ");
 147     sl_loop(subsystems[idx].table, prompt);
 148     free(prompt);
 149     return 0;
 150 }
 151
 152 int
 153 ss_list_requests(int argc, char **argv /* , int idx, void *info */)
 154 {
 155     sl_help(subsystems[0 /* idx */].table, argc, argv);
 156     return 0;
 157 }
 158
 159 int
 160 ss_quit(int argc, char **argv)
 161 {
 162     return 1;
 163 }