1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "systemkey-tool-options.h"
#include <errno.h>
#include <error.h>
#include <getopt.h>
#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#ifndef _WIN32
#include <unistd.h>
#endif /* !_WIN32 */
#include <limits.h>
struct systemkey_tool_options systemkey_tool_options;
static long
parse_number (const char *arg)
{
char *endptr = NULL;
errno = 0;
long result;
if (strncmp (arg, "0x", 2) == 0)
result = strtol (arg + 2, &endptr, 16);
else if (strncmp (arg, "0", 1) == 0
&& strspn (arg, "012345678") == strlen (optarg))
result = strtol (arg + 1, &endptr, 8);
else
result = strtol (arg, &endptr, 10);
if (errno != 0 || (endptr && *endptr != '\0'))
error (EXIT_FAILURE, errno, "'%s' is not a recognizable number.",
arg);
return result;
}
/* Long options. */
static const struct option long_options[] =
{
{ "debug", required_argument, 0, 'd' },
{ "outfile", required_argument, 0, CHAR_MAX + 1 },
{ "list", no_argument, 0, CHAR_MAX + 2 },
{ "delete", required_argument, 0, CHAR_MAX + 3 },
{ "outder", no_argument, 0, CHAR_MAX + 4 },
{ "no-outder", no_argument, 0, CHAR_MAX + 5 },
{ "version", optional_argument, 0, 'v' },
{ "help", no_argument, 0, 'h' },
{ "more-help", no_argument, 0, '!' },
{ 0, 0, 0, 0 }
};
int
process_options (int argc, char **argv)
{
struct systemkey_tool_options *opts = &systemkey_tool_options;
int opt;
while ((opt = getopt_long (argc, argv, "!d:hv:",
long_options, NULL)) != EOF)
switch (opt)
{
case '\0': /* Long option. */
break;
case 'd':
opts->present.debug = true;
opts->arg.debug = optarg;
opts->value.debug = parse_number(optarg);
opts->enabled.debug = true;
break;
case CHAR_MAX + 1: /* --outfile */
opts->present.outfile = true;
opts->arg.outfile = optarg;
opts->enabled.outfile = true;
break;
case CHAR_MAX + 2: /* --list */
opts->present.list = true;
opts->enabled.list = true;
break;
case CHAR_MAX + 3: /* --delete */
opts->present.delete = true;
opts->arg.delete = optarg;
opts->enabled.delete = true;
break;
case CHAR_MAX + 4: /* --outder */
opts->present.outder = true;
opts->enabled.outder = true;
break;
case CHAR_MAX + 5: /* --no-outder */
opts->present.outder = true;
opts->enabled.outder = false;
break;
case 'v':
opts->present.version = true;
opts->arg.version = optarg;
opts->enabled.version = true;
break;
case 'h':
opts->present.help = true;
opts->enabled.help = true;
break;
case '!':
opts->present.more_help = true;
opts->enabled.more_help = true;
break;
default:
usage (stderr, EXIT_FAILURE);
break;
}
if (HAVE_OPT(DEBUG) && OPT_VALUE_DEBUG < 0)
{
error (EXIT_FAILURE, 0, "%s option value %d is out of range.",
"debug", opts->value.debug);
}
if (HAVE_OPT(DEBUG) && OPT_VALUE_DEBUG > 9999)
{
error (EXIT_FAILURE, 0, "%s option value %d is out of range",
"debug", opts->value.debug);
}
if (optind < argc)
{
error (EXIT_FAILURE, 0, "Command line arguments are not allowed.");
}
if (HAVE_OPT(HELP))
{
USAGE(0);
}
if (HAVE_OPT(MORE_HELP))
#ifdef _WIN32
{
USAGE(0);
}
#else /* _WIN32 */
{
pid_t pid;
int pfds[2];
if (pipe (pfds) < 0)
error (EXIT_FAILURE, errno, "pipe");
pid = fork ();
if (pid < 0)
error (EXIT_FAILURE, errno, "fork");
if (pid == 0)
{
close (pfds[0]);
dup2 (pfds[1], STDOUT_FILENO);
close (pfds[1]);
usage (stdout, 0);
}
else
{
const char *args[2];
const char *envvar;
close (pfds[1]);
dup2 (pfds[0], STDIN_FILENO);
close (pfds[0]);
envvar = secure_getenv ("PAGER");
if (!envvar || *envvar == '\0')
args[0] = "more";
else
args[0] = envvar;
args[1] = NULL;
execvp (args[0], (char * const *)args);
exit (EXIT_FAILURE);
}
}
#endif /* !_WIN32 */
if (HAVE_OPT(VERSION))
{
if (!OPT_ARG_VERSION || !strcmp (OPT_ARG_VERSION, "c"))
{
const char str[] =
"systemkey-tool 3.7.9\n"
"Copyright (C) 2000-2021 Free Software Foundation, and others\n"
"This is free software. It is licensed for use, modification and\n"
"redistribution under the terms of the GNU General Public License,\n"
"version 3 or later <http://gnu.org/licenses/gpl.html>\n"
"\n"
"Please send bug reports to: <bugs@gnutls.org> \n";
fprintf (stdout, "%s", str);
exit(0);
}
else if (!strcmp (OPT_ARG_VERSION, "v"))
{
const char str[] =
"systemkey-tool 3.7.9\n";
fprintf (stdout, "%s", str);
exit(0);
}
else if (!strcmp (OPT_ARG_VERSION, "n"))
{
const char str[] =
"systemkey-tool 3.7.9\n"
"Copyright (C) 2000-2021 Free Software Foundation, and others\n"
"This is free software. It is licensed for use, modification and\n"
"redistribution under the terms of the GNU General Public License,\n"
"version 3 or later <http://gnu.org/licenses/gpl.html>\n"
"\n"
"gnutls is free software: you can redistribute it and/or\n"
"modify it under the terms of the GNU General Public License\n"
"as published by the Free Software Foundation,\n"
"either version 3 of the License, or (at your option) any later version.\n"
"\n"
"gnutls is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty\n"
"of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n"
"See the GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with this program. If not, see <http://www.gnu.org/licenses/>.\n"
"\n"
"Please send bug reports to: <bugs@gnutls.org> \n";
fprintf (stdout, "%s", str);
exit(0);
}
else
{
error (EXIT_FAILURE, 0,
"version option argument 'a' invalid. Use:\n"
" 'v' - version only\n"
" 'c' - version and copyright\n"
" 'n' - version and full copyright notice");
}
}
return optind;
}
void
usage (FILE *out, int status)
{
const char str[] =
"systemkey-tool - GnuTLS system key tool\n"
"Usage: systemkey-tool [ -<flag> [<val>] | --<name>[{=| }<val>] ]... \n"
"\n"
"None:\n"
"\n"
" -d, --debug=num Enable debugging\n"
" - it must be in the range:\n"
" 0 to 9999\n"
" --outfile=str Output file\n"
" --list Lists all stored keys\n"
" --delete=str Delete the key identified by the given URL\n"
" --outder Use DER format for output keys\n"
"\n"
"Version, usage and configuration options:\n"
"\n"
" -v, --version[=arg] output version information and exit\n"
" -h, --help display extended usage information and exit\n"
" -!, --more-help extended usage information passed thru pager\n"
"\n"
"Options are specified by doubled hyphens and their name or by a single\n"
"hyphen and the flag character.\n"
"\n"
"Program that allows handling user keys as stored in the system in a uniform way.\n"
"\n"
"Please send bug reports to: <bugs@gnutls.org>\n"
"\n";
fprintf (out, "%s", str);
exit (status);
}
|
