1 /* ====================================================================
2 * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * 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
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * licensing@OpenSSL.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ====================================================================
50 /* #define COMPILE_STANDALONE_TEST_DRIVER */
53 #if !defined(OPENSSL_SYS_MSDOS)
54 # include OPENSSL_UNISTD
61 #include <openssl/bio.h>
62 #include <openssl/x509v3.h>
64 #define MAX_OPT_HELP_WIDTH 30
65 const char OPT_HELP_STR
[] = "--";
66 const char OPT_MORE_STR
[] = "---";
75 static const OPTIONS
*unknown
;
76 static const OPTIONS
*opts
;
80 * Return the simple name of the program; removing various platform gunk.
82 #if defined(OPENSSL_SYS_WIN32)
83 char *opt_progname(const char *argv0
)
89 /* find the last '/', '\' or ':' */
90 for (p
= argv0
+ strlen(argv0
); --p
> argv0
;)
91 if (*p
== '/' || *p
== '\\' || *p
== ':') {
96 /* Strip off trailing nonsense. */
99 (strcmp(&p
[n
- 4], ".exe") == 0 || strcmp(&p
[n
- 4], ".EXE") == 0))
102 /* Copy over the name, in lowercase. */
103 if (n
> sizeof prog
- 1)
105 for (q
= prog
, i
= 0; i
< n
; i
++, p
++)
106 *q
++ = isupper(*p
) ? tolower(*p
) : *p
;
111 #elif defined(OPENSSL_SYS_VMS)
113 char *opt_progname(const char *argv0
)
117 /* Find last special charcter sys:[foo.bar]openssl */
118 for (p
= argv0
+ strlen(argv0
); --p
> argv0
;)
119 if (*p
== ':' || *p
== ']' || *p
== '>') {
125 strncpy(prog
, p
, sizeof prog
- 1);
126 prog
[sizeof prog
- 1] = '\0';
127 if (q
!= NULL
&& q
- p
< sizeof prog
)
134 char *opt_progname(const char *argv0
)
138 /* Could use strchr, but this is like the ones above. */
139 for (p
= argv0
+ strlen(argv0
); --p
> argv0
;)
144 strncpy(prog
, p
, sizeof prog
- 1);
145 prog
[sizeof prog
- 1] = '\0';
150 char *opt_getprog(void)
155 /* Set up the arg parsing. */
156 char *opt_init(int ac
, char **av
, const OPTIONS
*o
)
166 for (; o
->name
; ++o
) {
172 if (o
->name
== OPT_HELP_STR
|| o
->name
== OPT_MORE_STR
)
177 /* Make sure options are legit. */
178 assert(o
->name
[0] != '-');
179 assert(o
->retval
> 0);
181 case 0: case '-': case '/': case '<': case '>': case 'E': case 'F':
182 case 'M': case 'U': case 'f': case 'l': case 'n': case 'p': case 's':
189 /* Make sure there are no duplicates. */
190 for (next
= o
+ 1; next
->name
; ++next
) {
192 * Some compilers inline strcmp and the assert string is too long.
194 duplicated
= strcmp(o
->name
, next
->name
) == 0;
198 if (o
->name
[0] == '\0') {
199 assert(unknown
== NULL
);
201 assert(unknown
->valtype
== 0 || unknown
->valtype
== '-');
207 static OPT_PAIR formats
[] = {
208 {"PEM/DER", OPT_FMT_PEMDER
},
209 {"pkcs12", OPT_FMT_PKCS12
},
210 {"smime", OPT_FMT_SMIME
},
211 {"engine", OPT_FMT_ENGINE
},
212 {"msblob", OPT_FMT_MSBLOB
},
213 {"netscape", OPT_FMT_NETSCAPE
},
214 {"nss", OPT_FMT_NSS
},
215 {"text", OPT_FMT_TEXT
},
216 {"http", OPT_FMT_HTTP
},
217 {"pvk", OPT_FMT_PVK
},
221 /* Print an error message about a failed format parse. */
222 int opt_format_error(const char *s
, unsigned long flags
)
226 if (flags
== OPT_FMT_PEMDER
)
227 BIO_printf(bio_err
, "%s: Bad format \"%s\"; must be pem or der\n",
230 BIO_printf(bio_err
, "%s: Bad format \"%s\"; must be one of:\n",
232 for (ap
= formats
; ap
->name
; ap
++)
233 if (flags
& ap
->retval
)
234 BIO_printf(bio_err
, " %s\n", ap
->name
);
239 /* Parse a format string, put it into *result; return 0 on failure, else 1. */
240 int opt_format(const char *s
, unsigned long flags
, int *result
)
247 if ((flags
& OPT_FMT_PEMDER
) == 0)
248 return opt_format_error(s
, flags
);
249 *result
= FORMAT_ASN1
;
253 if ((flags
& OPT_FMT_TEXT
) == 0)
254 return opt_format_error(s
, flags
);
255 *result
= FORMAT_TEXT
;
259 if ((flags
& OPT_FMT_NSS
) == 0)
260 return opt_format_error(s
, flags
);
261 if (strcmp(s
, "NSS") != 0 && strcmp(s
, "nss") != 0)
262 return opt_format_error(s
, flags
);
263 *result
= FORMAT_NSS
;
267 if ((flags
& OPT_FMT_SMIME
) == 0)
268 return opt_format_error(s
, flags
);
269 *result
= FORMAT_SMIME
;
273 if ((flags
& OPT_FMT_MSBLOB
) == 0)
274 return opt_format_error(s
, flags
);
275 *result
= FORMAT_MSBLOB
;
279 if ((flags
& OPT_FMT_ENGINE
) == 0)
280 return opt_format_error(s
, flags
);
281 *result
= FORMAT_ENGINE
;
285 if ((flags
& OPT_FMT_HTTP
) == 0)
286 return opt_format_error(s
, flags
);
287 *result
= FORMAT_HTTP
;
290 if ((flags
& OPT_FMT_PKCS12
) == 0)
291 return opt_format_error(s
, flags
);
292 *result
= FORMAT_PKCS12
;
296 if (s
[1] == '\0' || strcmp(s
, "PEM") == 0 || strcmp(s
, "pem") == 0) {
297 if ((flags
& OPT_FMT_PEMDER
) == 0)
298 return opt_format_error(s
, flags
);
299 *result
= FORMAT_PEM
;
300 } else if (strcmp(s
, "PVK") == 0 || strcmp(s
, "pvk") == 0) {
301 if ((flags
& OPT_FMT_PVK
) == 0)
302 return opt_format_error(s
, flags
);
303 *result
= FORMAT_PVK
;
304 } else if (strcmp(s
, "P12") == 0 || strcmp(s
, "p12") == 0
305 || strcmp(s
, "PKCS12") == 0 || strcmp(s
, "pkcs12") == 0) {
306 if ((flags
& OPT_FMT_PKCS12
) == 0)
307 return opt_format_error(s
, flags
);
308 *result
= FORMAT_PKCS12
;
316 /* Parse a cipher name, put it in *EVP_CIPHER; return 0 on failure, else 1. */
317 int opt_cipher(const char *name
, const EVP_CIPHER
**cipherp
)
319 *cipherp
= EVP_get_cipherbyname(name
);
322 BIO_printf(bio_err
, "%s: Unknown cipher %s\n", prog
, name
);
327 * Parse message digest name, put it in *EVP_MD; return 0 on failure, else 1.
329 int opt_md(const char *name
, const EVP_MD
**mdp
)
331 *mdp
= EVP_get_digestbyname(name
);
334 BIO_printf(bio_err
, "%s: Unknown digest %s\n", prog
, name
);
338 /* Look through a list of name/value pairs. */
339 int opt_pair(const char *name
, const OPT_PAIR
* pairs
, int *result
)
343 for (pp
= pairs
; pp
->name
; pp
++)
344 if (strcmp(pp
->name
, name
) == 0) {
345 *result
= pp
->retval
;
348 BIO_printf(bio_err
, "%s: Value must be one of:\n", prog
);
349 for (pp
= pairs
; pp
->name
; pp
++)
350 BIO_printf(bio_err
, "\t%s\n", pp
->name
);
354 /* Parse an int, put it into *result; return 0 on failure, else 1. */
355 int opt_int(const char *value
, int *result
)
359 if (!opt_long(value
, &l
))
363 BIO_printf(bio_err
, "%s: Value \"%s\" outside integer range\n",
370 /* Parse a long, put it into *result; return 0 on failure, else 1. */
371 int opt_long(const char *value
, long *result
)
378 l
= strtol(value
, &endp
, 0);
381 || ((l
== LONG_MAX
|| l
== LONG_MIN
) && errno
== ERANGE
)
382 || (l
== 0 && errno
!= 0)) {
383 BIO_printf(bio_err
, "%s: Can't parse \"%s\" as a number\n",
393 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \
394 defined(INTMAX_MAX) && defined(UINTMAX_MAX)
396 /* Parse an intmax_t, put it into *result; return 0 on failure, else 1. */
397 int opt_imax(const char *value
, intmax_t *result
)
404 m
= strtoimax(value
, &endp
, 0);
407 || ((m
== INTMAX_MAX
|| m
== INTMAX_MIN
) && errno
== ERANGE
)
408 || (m
== 0 && errno
!= 0)) {
409 BIO_printf(bio_err
, "%s: Can't parse \"%s\" as a number\n",
419 /* Parse a uintmax_t, put it into *result; return 0 on failure, else 1. */
420 int opt_umax(const char *value
, uintmax_t *result
)
427 m
= strtoumax(value
, &endp
, 0);
430 || (m
== UINTMAX_MAX
&& errno
== ERANGE
)
431 || (m
== 0 && errno
!= 0)) {
432 BIO_printf(bio_err
, "%s: Can't parse \"%s\" as a number\n",
444 * Parse an unsigned long, put it into *result; return 0 on failure, else 1.
446 int opt_ulong(const char *value
, unsigned long *result
)
453 l
= strtoul(value
, &endptr
, 0);
456 || ((l
== ULONG_MAX
) && errno
== ERANGE
)
457 || (l
== 0 && errno
!= 0)) {
458 BIO_printf(bio_err
, "%s: Can't parse \"%s\" as an unsigned number\n",
469 * We pass opt as an int but cast it to "enum range" so that all the
470 * items in the OPT_V_ENUM enumeration are caught; this makes -Wswitch
471 * in gcc do the right thing.
473 enum range
{ OPT_V_ENUM
};
475 int opt_verify(int opt
, X509_VERIFY_PARAM
*vpm
)
481 const X509_VERIFY_PARAM
*vtmp
;
484 assert(opt
> OPT_V__FIRST
);
485 assert(opt
< OPT_V__LAST
);
487 switch ((enum range
)opt
) {
492 otmp
= OBJ_txt2obj(opt_arg(), 0);
494 BIO_printf(bio_err
, "%s: Invalid Policy %s\n", prog
, opt_arg());
497 X509_VERIFY_PARAM_add0_policy(vpm
, otmp
);
500 /* purpose name -> purpose index */
501 i
= X509_PURPOSE_get_by_sname(opt_arg());
503 BIO_printf(bio_err
, "%s: Invalid purpose %s\n", prog
, opt_arg());
507 /* purpose index -> purpose object */
508 xptmp
= X509_PURPOSE_get0(i
);
510 /* purpose object -> purpose value */
511 i
= X509_PURPOSE_get_id(xptmp
);
513 if (!X509_VERIFY_PARAM_set_purpose(vpm
, i
)) {
515 "%s: Internal error setting purpose %s\n",
520 case OPT_V_VERIFY_NAME
:
521 vtmp
= X509_VERIFY_PARAM_lookup(opt_arg());
523 BIO_printf(bio_err
, "%s: Invalid verify name %s\n",
527 X509_VERIFY_PARAM_set1(vpm
, vtmp
);
529 case OPT_V_VERIFY_DEPTH
:
532 X509_VERIFY_PARAM_set_depth(vpm
, i
);
534 case OPT_V_VERIFY_AUTH_LEVEL
:
537 X509_VERIFY_PARAM_set_auth_level(vpm
, i
);
540 if (!opt_imax(opt_arg(), &t
))
542 if (t
!= (time_t)t
) {
543 BIO_printf(bio_err
, "%s: epoch time out of range %s\n",
547 X509_VERIFY_PARAM_set_time(vpm
, (time_t)t
);
549 case OPT_V_VERIFY_HOSTNAME
:
550 if (!X509_VERIFY_PARAM_set1_host(vpm
, opt_arg(), 0))
553 case OPT_V_VERIFY_EMAIL
:
554 if (!X509_VERIFY_PARAM_set1_email(vpm
, opt_arg(), 0))
557 case OPT_V_VERIFY_IP
:
558 if (!X509_VERIFY_PARAM_set1_ip_asc(vpm
, opt_arg()))
561 case OPT_V_IGNORE_CRITICAL
:
562 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_IGNORE_CRITICAL
);
564 case OPT_V_ISSUER_CHECKS
:
565 /* NOP, deprecated */
567 case OPT_V_CRL_CHECK
:
568 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_CRL_CHECK
);
570 case OPT_V_CRL_CHECK_ALL
:
571 X509_VERIFY_PARAM_set_flags(vpm
,
572 X509_V_FLAG_CRL_CHECK
|
573 X509_V_FLAG_CRL_CHECK_ALL
);
575 case OPT_V_POLICY_CHECK
:
576 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_POLICY_CHECK
);
578 case OPT_V_EXPLICIT_POLICY
:
579 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_EXPLICIT_POLICY
);
581 case OPT_V_INHIBIT_ANY
:
582 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_INHIBIT_ANY
);
584 case OPT_V_INHIBIT_MAP
:
585 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_INHIBIT_MAP
);
587 case OPT_V_X509_STRICT
:
588 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_X509_STRICT
);
590 case OPT_V_EXTENDED_CRL
:
591 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_EXTENDED_CRL_SUPPORT
);
593 case OPT_V_USE_DELTAS
:
594 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_USE_DELTAS
);
596 case OPT_V_POLICY_PRINT
:
597 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_NOTIFY_POLICY
);
599 case OPT_V_CHECK_SS_SIG
:
600 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_CHECK_SS_SIGNATURE
);
602 case OPT_V_TRUSTED_FIRST
:
603 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_TRUSTED_FIRST
);
605 case OPT_V_SUITEB_128_ONLY
:
606 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_SUITEB_128_LOS_ONLY
);
608 case OPT_V_SUITEB_128
:
609 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_SUITEB_128_LOS
);
611 case OPT_V_SUITEB_192
:
612 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_SUITEB_192_LOS
);
614 case OPT_V_PARTIAL_CHAIN
:
615 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_PARTIAL_CHAIN
);
617 case OPT_V_NO_ALT_CHAINS
:
618 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_NO_ALT_CHAINS
);
620 case OPT_V_NO_CHECK_TIME
:
621 X509_VERIFY_PARAM_set_flags(vpm
, X509_V_FLAG_NO_CHECK_TIME
);
629 * Parse the next flag (and value if specified), return 0 if done, -1 on
630 * error, otherwise the flag's retval.
640 ossl_uintmax_t umval
;
642 /* Look at current arg; at end of the list? */
648 /* If word doesn't start with a -, we're done. */
652 /* Hit "--" ? We're done. */
654 if (strcmp(p
, "--") == 0)
657 /* Allow -nnn and --nnn */
662 /* If we have --flag=foo, snip it off */
663 if ((arg
= strchr(p
, '=')) != NULL
)
665 for (o
= opts
; o
->name
; ++o
) {
666 /* If not this option, move on to the next one. */
667 if (strcmp(p
, o
->name
) != 0)
670 /* If it doesn't take a value, make sure none was given. */
671 if (o
->valtype
== 0 || o
->valtype
== '-') {
674 "%s: Option -%s does not take a value\n", prog
, p
);
680 /* Want a value; get the next param if =foo not used. */
682 if (argv
[opt_index
] == NULL
) {
684 "%s: Option -%s needs a value\n", prog
, o
->name
);
687 arg
= argv
[opt_index
++];
690 /* Syntax-check value. */
691 switch (o
->valtype
) {
697 if (app_isdir(arg
) >= 0)
699 BIO_printf(bio_err
, "%s: Not a directory: %s\n", prog
, arg
);
703 if (strcmp(arg
, "-") == 0 || app_access(arg
, R_OK
) >= 0)
706 "%s: Cannot open input file %s, %s\n",
707 prog
, arg
, strerror(errno
));
711 if (strcmp(arg
, "-") == 0 || app_access(arg
, W_OK
) >= 0 || errno
== ENOENT
)
714 "%s: Cannot open output file %s, %s\n",
715 prog
, arg
, strerror(errno
));
719 if (!opt_int(arg
, &ival
)
720 || (o
->valtype
== 'p' && ival
<= 0)) {
722 "%s: Non-positive number \"%s\" for -%s\n",
728 if (!opt_imax(arg
, &imval
)) {
730 "%s: Invalid number \"%s\" for -%s\n",
736 if (!opt_umax(arg
, &umval
)) {
738 "%s: Invalid number \"%s\" for -%s\n",
744 if (!opt_long(arg
, &lval
)) {
746 "%s: Invalid number \"%s\" for -%s\n",
752 if (!opt_ulong(arg
, &ulval
)) {
754 "%s: Invalid number \"%s\" for -%s\n",
763 o
->valtype
== 'E' ? OPT_FMT_PDE
:
764 o
->valtype
== 'F' ? OPT_FMT_PEMDER
765 : OPT_FMT_ANY
, &ival
))
768 "%s: Invalid format \"%s\" for -%s\n",
773 /* Return the flag value. */
776 if (unknown
!= NULL
) {
778 return unknown
->retval
;
780 BIO_printf(bio_err
, "%s: Option unknown option -%s\n", prog
, p
);
784 /* Return the most recent flag parameter. */
790 /* Return the most recent flag. */
796 /* Return the unknown option. */
797 char *opt_unknown(void)
802 /* Return the rest of the arguments after parsing flags. */
803 char **opt_rest(void)
805 return &argv
[opt_index
];
808 /* How many items in remaining args? */
809 int opt_num_rest(void)
814 for (pp
= opt_rest(); *pp
; pp
++, i
++)
819 /* Return a string describing the parameter type. */
820 static const char *valtype2param(const OPTIONS
*o
)
822 switch (o
->valtype
) {
843 return "PEM|DER|ENGINE";
856 void opt_help(const OPTIONS
*list
)
866 /* Starts with its own help message? */
867 standard_prolog
= list
[0].name
!= OPT_HELP_STR
;
869 /* Find the widest help. */
870 for (o
= list
; o
->name
; o
++) {
871 if (o
->name
== OPT_MORE_STR
)
873 i
= 2 + (int)strlen(o
->name
);
874 if (o
->valtype
!= '-')
875 i
+= 1 + strlen(valtype2param(o
));
876 if (i
< MAX_OPT_HELP_WIDTH
&& i
> width
)
878 assert(i
< (int)sizeof start
);
882 BIO_printf(bio_err
, "Usage: %s [options]\nValid options are:\n",
885 /* Now let's print. */
886 for (o
= list
; o
->name
; o
++) {
887 help
= o
->helpstr
? o
->helpstr
: "(No additional info)";
888 if (o
->name
== OPT_HELP_STR
) {
889 BIO_printf(bio_err
, help
, prog
);
894 memset(start
, ' ', sizeof(start
) - 1);
895 start
[sizeof start
- 1] = '\0';
897 if (o
->name
== OPT_MORE_STR
) {
898 /* Continuation of previous line; padd and print. */
900 BIO_printf(bio_err
, "%s %s\n", start
, help
);
904 /* Build up the "-flag [param]" part. */
909 p
+= strlen(strcpy(p
, o
->name
));
912 if (o
->valtype
!= '-') {
914 p
+= strlen(strcpy(p
, valtype2param(o
)));
917 if ((int)(p
- start
) >= MAX_OPT_HELP_WIDTH
) {
919 BIO_printf(bio_err
, "%s\n", start
);
920 memset(start
, ' ', sizeof(start
));
923 BIO_printf(bio_err
, "%s %s\n", start
, help
);
927 #ifdef COMPILE_STANDALONE_TEST_DRIVER
928 # include <sys/stat.h>
930 typedef enum OPTION_choice
{
931 OPT_ERR
= -1, OPT_EOF
= 0, OPT_HELP
,
932 OPT_IN
, OPT_INFORM
, OPT_OUT
, OPT_COUNT
, OPT_U
, OPT_FLAG
,
936 static OPTIONS options
[] = {
937 {OPT_HELP_STR
, 1, '-', "Usage: %s flags\n"},
938 {OPT_HELP_STR
, 1, '-', "Valid options are:\n"},
939 {"help", OPT_HELP
, '-', "Display this summary"},
940 {"in", OPT_IN
, '<', "input file"},
941 {OPT_MORE_STR
, 1, '-', "more detail about input"},
942 {"inform", OPT_INFORM
, 'f', "input file format; defaults to pem"},
943 {"out", OPT_OUT
, '>', "output file"},
944 {"count", OPT_COUNT
, 'p', "a counter greater than zero"},
945 {"u", OPT_U
, 'u', "an unsigned number"},
946 {"flag", OPT_FLAG
, 0, "just some flag"},
947 {"str", OPT_STR
, 's', "the magic word"},
948 {"areallyverylongoption", OPT_HELP
, '-', "long way for help"},
954 int app_isdir(const char *name
)
958 return name
!= NULL
&& stat(name
, &sb
) >= 0 && S_ISDIR(sb
.st_mode
);
961 int main(int ac
, char **av
)
967 bio_err
= BIO_new_fp(stderr
, BIO_NOCLOSE
| BIO_FP_TEXT
);
969 prog
= opt_init(ac
, av
, options
);
970 while ((o
= opt_next()) != OPT_EOF
) {
975 printf("%s: Usage error; try -help.\n", prog
);
981 printf("in %s\n", opt_arg());
984 printf("inform %s\n", opt_arg());
987 printf("out %s\n", opt_arg());
990 printf("count %s\n", opt_arg());
993 printf("u %s\n", opt_arg());
999 printf("str %s\n", opt_arg());
1003 argc
= opt_num_rest();
1006 printf("args = %d\n", argc
);
1009 printf(" %s\n", *argv
++);