899 lines
24 KiB
C
899 lines
24 KiB
C
/*
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* Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "apps.h"
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#include <string.h>
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#if !defined(OPENSSL_SYS_MSDOS)
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# include OPENSSL_UNISTD
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#endif
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#include <stdlib.h>
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#include <errno.h>
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#include <ctype.h>
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#include <limits.h>
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#include <openssl/bio.h>
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#include <openssl/x509v3.h>
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#define MAX_OPT_HELP_WIDTH 30
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const char OPT_HELP_STR[] = "--";
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const char OPT_MORE_STR[] = "---";
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/* Our state */
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static char **argv;
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static int argc;
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static int opt_index;
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static char *arg;
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static char *flag;
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static char *dunno;
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static const OPTIONS *unknown;
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static const OPTIONS *opts;
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static char prog[40];
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/*
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* Return the simple name of the program; removing various platform gunk.
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*/
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#if defined(OPENSSL_SYS_WIN32)
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char *opt_progname(const char *argv0)
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{
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size_t i, n;
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const char *p;
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char *q;
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/* find the last '/', '\' or ':' */
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for (p = argv0 + strlen(argv0); --p > argv0;)
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if (*p == '/' || *p == '\\' || *p == ':') {
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p++;
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break;
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}
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/* Strip off trailing nonsense. */
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n = strlen(p);
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if (n > 4 &&
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(strcmp(&p[n - 4], ".exe") == 0 || strcmp(&p[n - 4], ".EXE") == 0))
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n -= 4;
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/* Copy over the name, in lowercase. */
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if (n > sizeof(prog) - 1)
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n = sizeof(prog) - 1;
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for (q = prog, i = 0; i < n; i++, p++)
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*q++ = tolower((unsigned char)*p);
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*q = '\0';
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return prog;
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}
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#elif defined(OPENSSL_SYS_VMS)
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char *opt_progname(const char *argv0)
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{
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const char *p, *q;
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/* Find last special character sys:[foo.bar]openssl */
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for (p = argv0 + strlen(argv0); --p > argv0;)
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if (*p == ':' || *p == ']' || *p == '>') {
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p++;
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break;
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}
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q = strrchr(p, '.');
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strncpy(prog, p, sizeof(prog) - 1);
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prog[sizeof(prog) - 1] = '\0';
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if (q != NULL && q - p < sizeof(prog))
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prog[q - p] = '\0';
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return prog;
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}
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#else
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char *opt_progname(const char *argv0)
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{
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const char *p;
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/* Could use strchr, but this is like the ones above. */
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for (p = argv0 + strlen(argv0); --p > argv0;)
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if (*p == '/') {
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p++;
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break;
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}
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strncpy(prog, p, sizeof(prog) - 1);
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prog[sizeof(prog) - 1] = '\0';
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return prog;
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}
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#endif
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char *opt_getprog(void)
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{
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return prog;
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}
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/* Set up the arg parsing. */
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char *opt_init(int ac, char **av, const OPTIONS *o)
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{
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/* Store state. */
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argc = ac;
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argv = av;
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opt_index = 1;
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opts = o;
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opt_progname(av[0]);
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unknown = NULL;
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for (; o->name; ++o) {
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#ifndef NDEBUG
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const OPTIONS *next;
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int duplicated, i;
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#endif
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if (o->name == OPT_HELP_STR || o->name == OPT_MORE_STR)
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continue;
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#ifndef NDEBUG
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i = o->valtype;
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/* Make sure options are legit. */
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assert(o->name[0] != '-');
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assert(o->retval > 0);
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switch (i) {
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case 0: case '-': case '/': case '<': case '>': case 'E': case 'F':
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case 'M': case 'U': case 'f': case 'l': case 'n': case 'p': case 's':
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case 'u': case 'c':
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break;
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default:
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assert(0);
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}
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/* Make sure there are no duplicates. */
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for (next = o + 1; next->name; ++next) {
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/*
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* Some compilers inline strcmp and the assert string is too long.
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*/
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duplicated = strcmp(o->name, next->name) == 0;
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assert(!duplicated);
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}
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#endif
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if (o->name[0] == '\0') {
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assert(unknown == NULL);
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unknown = o;
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assert(unknown->valtype == 0 || unknown->valtype == '-');
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}
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}
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return prog;
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}
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static OPT_PAIR formats[] = {
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{"PEM/DER", OPT_FMT_PEMDER},
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{"pkcs12", OPT_FMT_PKCS12},
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{"smime", OPT_FMT_SMIME},
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{"engine", OPT_FMT_ENGINE},
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{"msblob", OPT_FMT_MSBLOB},
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{"nss", OPT_FMT_NSS},
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{"text", OPT_FMT_TEXT},
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{"http", OPT_FMT_HTTP},
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{"pvk", OPT_FMT_PVK},
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{NULL}
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};
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/* Print an error message about a failed format parse. */
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int opt_format_error(const char *s, unsigned long flags)
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{
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OPT_PAIR *ap;
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if (flags == OPT_FMT_PEMDER) {
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BIO_printf(bio_err, "%s: Bad format \"%s\"; must be pem or der\n",
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prog, s);
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} else {
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BIO_printf(bio_err, "%s: Bad format \"%s\"; must be one of:\n",
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prog, s);
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for (ap = formats; ap->name; ap++)
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if (flags & ap->retval)
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BIO_printf(bio_err, " %s\n", ap->name);
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}
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return 0;
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}
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/* Parse a format string, put it into *result; return 0 on failure, else 1. */
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int opt_format(const char *s, unsigned long flags, int *result)
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{
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switch (*s) {
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default:
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return 0;
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case 'D':
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case 'd':
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if ((flags & OPT_FMT_PEMDER) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_ASN1;
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break;
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case 'T':
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case 't':
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if ((flags & OPT_FMT_TEXT) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_TEXT;
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break;
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case 'N':
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case 'n':
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if ((flags & OPT_FMT_NSS) == 0)
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return opt_format_error(s, flags);
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if (strcmp(s, "NSS") != 0 && strcmp(s, "nss") != 0)
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return opt_format_error(s, flags);
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*result = FORMAT_NSS;
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break;
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case 'S':
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case 's':
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if ((flags & OPT_FMT_SMIME) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_SMIME;
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break;
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case 'M':
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case 'm':
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if ((flags & OPT_FMT_MSBLOB) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_MSBLOB;
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break;
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case 'E':
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case 'e':
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if ((flags & OPT_FMT_ENGINE) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_ENGINE;
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break;
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case 'H':
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case 'h':
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if ((flags & OPT_FMT_HTTP) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_HTTP;
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break;
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case '1':
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if ((flags & OPT_FMT_PKCS12) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_PKCS12;
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break;
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case 'P':
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case 'p':
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if (s[1] == '\0' || strcmp(s, "PEM") == 0 || strcmp(s, "pem") == 0) {
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if ((flags & OPT_FMT_PEMDER) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_PEM;
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} else if (strcmp(s, "PVK") == 0 || strcmp(s, "pvk") == 0) {
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if ((flags & OPT_FMT_PVK) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_PVK;
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} else if (strcmp(s, "P12") == 0 || strcmp(s, "p12") == 0
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|| strcmp(s, "PKCS12") == 0 || strcmp(s, "pkcs12") == 0) {
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if ((flags & OPT_FMT_PKCS12) == 0)
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return opt_format_error(s, flags);
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*result = FORMAT_PKCS12;
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} else {
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return 0;
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}
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break;
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}
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return 1;
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}
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/* Parse a cipher name, put it in *EVP_CIPHER; return 0 on failure, else 1. */
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int opt_cipher(const char *name, const EVP_CIPHER **cipherp)
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{
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*cipherp = EVP_get_cipherbyname(name);
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if (*cipherp != NULL)
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return 1;
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BIO_printf(bio_err, "%s: Unrecognized flag %s\n", prog, name);
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return 0;
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}
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/*
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* Parse message digest name, put it in *EVP_MD; return 0 on failure, else 1.
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*/
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int opt_md(const char *name, const EVP_MD **mdp)
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{
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*mdp = EVP_get_digestbyname(name);
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if (*mdp != NULL)
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return 1;
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BIO_printf(bio_err, "%s: Unrecognized flag %s\n", prog, name);
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return 0;
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}
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/* Look through a list of name/value pairs. */
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int opt_pair(const char *name, const OPT_PAIR* pairs, int *result)
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{
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const OPT_PAIR *pp;
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for (pp = pairs; pp->name; pp++)
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if (strcmp(pp->name, name) == 0) {
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*result = pp->retval;
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return 1;
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}
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BIO_printf(bio_err, "%s: Value must be one of:\n", prog);
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for (pp = pairs; pp->name; pp++)
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BIO_printf(bio_err, "\t%s\n", pp->name);
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return 0;
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}
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/* Parse an int, put it into *result; return 0 on failure, else 1. */
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int opt_int(const char *value, int *result)
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{
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long l;
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if (!opt_long(value, &l))
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return 0;
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*result = (int)l;
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if (*result != l) {
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BIO_printf(bio_err, "%s: Value \"%s\" outside integer range\n",
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prog, value);
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return 0;
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}
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return 1;
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}
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static void opt_number_error(const char *v)
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{
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size_t i = 0;
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struct strstr_pair_st {
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char *prefix;
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char *name;
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} b[] = {
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{"0x", "a hexadecimal"},
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{"0X", "a hexadecimal"},
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{"0", "an octal"}
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};
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for (i = 0; i < OSSL_NELEM(b); i++) {
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if (strncmp(v, b[i].prefix, strlen(b[i].prefix)) == 0) {
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BIO_printf(bio_err,
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"%s: Can't parse \"%s\" as %s number\n",
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prog, v, b[i].name);
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return;
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}
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}
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BIO_printf(bio_err, "%s: Can't parse \"%s\" as a number\n", prog, v);
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return;
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}
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/* Parse a long, put it into *result; return 0 on failure, else 1. */
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int opt_long(const char *value, long *result)
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{
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int oerrno = errno;
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long l;
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char *endp;
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errno = 0;
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l = strtol(value, &endp, 0);
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if (*endp
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|| endp == value
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|| ((l == LONG_MAX || l == LONG_MIN) && errno == ERANGE)
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|| (l == 0 && errno != 0)) {
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opt_number_error(value);
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errno = oerrno;
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return 0;
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}
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*result = l;
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errno = oerrno;
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return 1;
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}
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#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \
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defined(INTMAX_MAX) && defined(UINTMAX_MAX)
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/* Parse an intmax_t, put it into *result; return 0 on failure, else 1. */
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int opt_imax(const char *value, intmax_t *result)
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{
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int oerrno = errno;
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intmax_t m;
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char *endp;
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errno = 0;
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m = strtoimax(value, &endp, 0);
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if (*endp
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|| endp == value
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|| ((m == INTMAX_MAX || m == INTMAX_MIN) && errno == ERANGE)
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|| (m == 0 && errno != 0)) {
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opt_number_error(value);
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errno = oerrno;
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return 0;
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}
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*result = m;
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errno = oerrno;
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return 1;
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}
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/* Parse a uintmax_t, put it into *result; return 0 on failure, else 1. */
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int opt_umax(const char *value, uintmax_t *result)
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{
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int oerrno = errno;
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uintmax_t m;
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char *endp;
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errno = 0;
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m = strtoumax(value, &endp, 0);
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if (*endp
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|| endp == value
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|| (m == UINTMAX_MAX && errno == ERANGE)
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|| (m == 0 && errno != 0)) {
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opt_number_error(value);
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errno = oerrno;
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return 0;
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}
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*result = m;
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errno = oerrno;
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return 1;
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}
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#endif
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/*
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* Parse an unsigned long, put it into *result; return 0 on failure, else 1.
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*/
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int opt_ulong(const char *value, unsigned long *result)
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{
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int oerrno = errno;
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char *endptr;
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unsigned long l;
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errno = 0;
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l = strtoul(value, &endptr, 0);
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if (*endptr
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|| endptr == value
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|| ((l == ULONG_MAX) && errno == ERANGE)
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|| (l == 0 && errno != 0)) {
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opt_number_error(value);
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errno = oerrno;
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return 0;
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|
}
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|
*result = l;
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errno = oerrno;
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return 1;
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|
}
|
|
|
|
/*
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* We pass opt as an int but cast it to "enum range" so that all the
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* items in the OPT_V_ENUM enumeration are caught; this makes -Wswitch
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* in gcc do the right thing.
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*/
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enum range { OPT_V_ENUM };
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int opt_verify(int opt, X509_VERIFY_PARAM *vpm)
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{
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int i;
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ossl_intmax_t t = 0;
|
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ASN1_OBJECT *otmp;
|
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X509_PURPOSE *xptmp;
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const X509_VERIFY_PARAM *vtmp;
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|
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assert(vpm != NULL);
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assert(opt > OPT_V__FIRST);
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assert(opt < OPT_V__LAST);
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|
|
|
switch ((enum range)opt) {
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case OPT_V__FIRST:
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case OPT_V__LAST:
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return 0;
|
|
case OPT_V_POLICY:
|
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otmp = OBJ_txt2obj(opt_arg(), 0);
|
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if (otmp == NULL) {
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BIO_printf(bio_err, "%s: Invalid Policy %s\n", prog, opt_arg());
|
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return 0;
|
|
}
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X509_VERIFY_PARAM_add0_policy(vpm, otmp);
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break;
|
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case OPT_V_PURPOSE:
|
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/* purpose name -> purpose index */
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i = X509_PURPOSE_get_by_sname(opt_arg());
|
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if (i < 0) {
|
|
BIO_printf(bio_err, "%s: Invalid purpose %s\n", prog, opt_arg());
|
|
return 0;
|
|
}
|
|
|
|
/* purpose index -> purpose object */
|
|
xptmp = X509_PURPOSE_get0(i);
|
|
|
|
/* purpose object -> purpose value */
|
|
i = X509_PURPOSE_get_id(xptmp);
|
|
|
|
if (!X509_VERIFY_PARAM_set_purpose(vpm, i)) {
|
|
BIO_printf(bio_err,
|
|
"%s: Internal error setting purpose %s\n",
|
|
prog, opt_arg());
|
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return 0;
|
|
}
|
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break;
|
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case OPT_V_VERIFY_NAME:
|
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vtmp = X509_VERIFY_PARAM_lookup(opt_arg());
|
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if (vtmp == NULL) {
|
|
BIO_printf(bio_err, "%s: Invalid verify name %s\n",
|
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prog, opt_arg());
|
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return 0;
|
|
}
|
|
X509_VERIFY_PARAM_set1(vpm, vtmp);
|
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break;
|
|
case OPT_V_VERIFY_DEPTH:
|
|
i = atoi(opt_arg());
|
|
if (i >= 0)
|
|
X509_VERIFY_PARAM_set_depth(vpm, i);
|
|
break;
|
|
case OPT_V_VERIFY_AUTH_LEVEL:
|
|
i = atoi(opt_arg());
|
|
if (i >= 0)
|
|
X509_VERIFY_PARAM_set_auth_level(vpm, i);
|
|
break;
|
|
case OPT_V_ATTIME:
|
|
if (!opt_imax(opt_arg(), &t))
|
|
return 0;
|
|
if (t != (time_t)t) {
|
|
BIO_printf(bio_err, "%s: epoch time out of range %s\n",
|
|
prog, opt_arg());
|
|
return 0;
|
|
}
|
|
X509_VERIFY_PARAM_set_time(vpm, (time_t)t);
|
|
break;
|
|
case OPT_V_VERIFY_HOSTNAME:
|
|
if (!X509_VERIFY_PARAM_set1_host(vpm, opt_arg(), 0))
|
|
return 0;
|
|
break;
|
|
case OPT_V_VERIFY_EMAIL:
|
|
if (!X509_VERIFY_PARAM_set1_email(vpm, opt_arg(), 0))
|
|
return 0;
|
|
break;
|
|
case OPT_V_VERIFY_IP:
|
|
if (!X509_VERIFY_PARAM_set1_ip_asc(vpm, opt_arg()))
|
|
return 0;
|
|
break;
|
|
case OPT_V_IGNORE_CRITICAL:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_IGNORE_CRITICAL);
|
|
break;
|
|
case OPT_V_ISSUER_CHECKS:
|
|
/* NOP, deprecated */
|
|
break;
|
|
case OPT_V_CRL_CHECK:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_CRL_CHECK);
|
|
break;
|
|
case OPT_V_CRL_CHECK_ALL:
|
|
X509_VERIFY_PARAM_set_flags(vpm,
|
|
X509_V_FLAG_CRL_CHECK |
|
|
X509_V_FLAG_CRL_CHECK_ALL);
|
|
break;
|
|
case OPT_V_POLICY_CHECK:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_POLICY_CHECK);
|
|
break;
|
|
case OPT_V_EXPLICIT_POLICY:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_EXPLICIT_POLICY);
|
|
break;
|
|
case OPT_V_INHIBIT_ANY:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_INHIBIT_ANY);
|
|
break;
|
|
case OPT_V_INHIBIT_MAP:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_INHIBIT_MAP);
|
|
break;
|
|
case OPT_V_X509_STRICT:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_X509_STRICT);
|
|
break;
|
|
case OPT_V_EXTENDED_CRL:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_EXTENDED_CRL_SUPPORT);
|
|
break;
|
|
case OPT_V_USE_DELTAS:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_USE_DELTAS);
|
|
break;
|
|
case OPT_V_POLICY_PRINT:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_NOTIFY_POLICY);
|
|
break;
|
|
case OPT_V_CHECK_SS_SIG:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_CHECK_SS_SIGNATURE);
|
|
break;
|
|
case OPT_V_TRUSTED_FIRST:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_TRUSTED_FIRST);
|
|
break;
|
|
case OPT_V_SUITEB_128_ONLY:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_SUITEB_128_LOS_ONLY);
|
|
break;
|
|
case OPT_V_SUITEB_128:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_SUITEB_128_LOS);
|
|
break;
|
|
case OPT_V_SUITEB_192:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_SUITEB_192_LOS);
|
|
break;
|
|
case OPT_V_PARTIAL_CHAIN:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_PARTIAL_CHAIN);
|
|
break;
|
|
case OPT_V_NO_ALT_CHAINS:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_NO_ALT_CHAINS);
|
|
break;
|
|
case OPT_V_NO_CHECK_TIME:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_NO_CHECK_TIME);
|
|
break;
|
|
case OPT_V_ALLOW_PROXY_CERTS:
|
|
X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_ALLOW_PROXY_CERTS);
|
|
break;
|
|
}
|
|
return 1;
|
|
|
|
}
|
|
|
|
/*
|
|
* Parse the next flag (and value if specified), return 0 if done, -1 on
|
|
* error, otherwise the flag's retval.
|
|
*/
|
|
int opt_next(void)
|
|
{
|
|
char *p;
|
|
const OPTIONS *o;
|
|
int ival;
|
|
long lval;
|
|
unsigned long ulval;
|
|
ossl_intmax_t imval;
|
|
ossl_uintmax_t umval;
|
|
|
|
/* Look at current arg; at end of the list? */
|
|
arg = NULL;
|
|
p = argv[opt_index];
|
|
if (p == NULL)
|
|
return 0;
|
|
|
|
/* If word doesn't start with a -, we're done. */
|
|
if (*p != '-')
|
|
return 0;
|
|
|
|
/* Hit "--" ? We're done. */
|
|
opt_index++;
|
|
if (strcmp(p, "--") == 0)
|
|
return 0;
|
|
|
|
/* Allow -nnn and --nnn */
|
|
if (*++p == '-')
|
|
p++;
|
|
flag = p - 1;
|
|
|
|
/* If we have --flag=foo, snip it off */
|
|
if ((arg = strchr(p, '=')) != NULL)
|
|
*arg++ = '\0';
|
|
for (o = opts; o->name; ++o) {
|
|
/* If not this option, move on to the next one. */
|
|
if (strcmp(p, o->name) != 0)
|
|
continue;
|
|
|
|
/* If it doesn't take a value, make sure none was given. */
|
|
if (o->valtype == 0 || o->valtype == '-') {
|
|
if (arg) {
|
|
BIO_printf(bio_err,
|
|
"%s: Option -%s does not take a value\n", prog, p);
|
|
return -1;
|
|
}
|
|
return o->retval;
|
|
}
|
|
|
|
/* Want a value; get the next param if =foo not used. */
|
|
if (arg == NULL) {
|
|
if (argv[opt_index] == NULL) {
|
|
BIO_printf(bio_err,
|
|
"%s: Option -%s needs a value\n", prog, o->name);
|
|
return -1;
|
|
}
|
|
arg = argv[opt_index++];
|
|
}
|
|
|
|
/* Syntax-check value. */
|
|
switch (o->valtype) {
|
|
default:
|
|
case 's':
|
|
/* Just a string. */
|
|
break;
|
|
case '/':
|
|
if (app_isdir(arg) > 0)
|
|
break;
|
|
BIO_printf(bio_err, "%s: Not a directory: %s\n", prog, arg);
|
|
return -1;
|
|
case '<':
|
|
/* Input file. */
|
|
break;
|
|
case '>':
|
|
/* Output file. */
|
|
break;
|
|
case 'p':
|
|
case 'n':
|
|
if (!opt_int(arg, &ival)
|
|
|| (o->valtype == 'p' && ival <= 0)) {
|
|
BIO_printf(bio_err,
|
|
"%s: Non-positive number \"%s\" for -%s\n",
|
|
prog, arg, o->name);
|
|
return -1;
|
|
}
|
|
break;
|
|
case 'M':
|
|
if (!opt_imax(arg, &imval)) {
|
|
BIO_printf(bio_err,
|
|
"%s: Invalid number \"%s\" for -%s\n",
|
|
prog, arg, o->name);
|
|
return -1;
|
|
}
|
|
break;
|
|
case 'U':
|
|
if (!opt_umax(arg, &umval)) {
|
|
BIO_printf(bio_err,
|
|
"%s: Invalid number \"%s\" for -%s\n",
|
|
prog, arg, o->name);
|
|
return -1;
|
|
}
|
|
break;
|
|
case 'l':
|
|
if (!opt_long(arg, &lval)) {
|
|
BIO_printf(bio_err,
|
|
"%s: Invalid number \"%s\" for -%s\n",
|
|
prog, arg, o->name);
|
|
return -1;
|
|
}
|
|
break;
|
|
case 'u':
|
|
if (!opt_ulong(arg, &ulval)) {
|
|
BIO_printf(bio_err,
|
|
"%s: Invalid number \"%s\" for -%s\n",
|
|
prog, arg, o->name);
|
|
return -1;
|
|
}
|
|
break;
|
|
case 'c':
|
|
case 'E':
|
|
case 'F':
|
|
case 'f':
|
|
if (opt_format(arg,
|
|
o->valtype == 'c' ? OPT_FMT_PDS :
|
|
o->valtype == 'E' ? OPT_FMT_PDE :
|
|
o->valtype == 'F' ? OPT_FMT_PEMDER
|
|
: OPT_FMT_ANY, &ival))
|
|
break;
|
|
BIO_printf(bio_err,
|
|
"%s: Invalid format \"%s\" for -%s\n",
|
|
prog, arg, o->name);
|
|
return -1;
|
|
}
|
|
|
|
/* Return the flag value. */
|
|
return o->retval;
|
|
}
|
|
if (unknown != NULL) {
|
|
dunno = p;
|
|
return unknown->retval;
|
|
}
|
|
BIO_printf(bio_err, "%s: Option unknown option -%s\n", prog, p);
|
|
return -1;
|
|
}
|
|
|
|
/* Return the most recent flag parameter. */
|
|
char *opt_arg(void)
|
|
{
|
|
return arg;
|
|
}
|
|
|
|
/* Return the most recent flag. */
|
|
char *opt_flag(void)
|
|
{
|
|
return flag;
|
|
}
|
|
|
|
/* Return the unknown option. */
|
|
char *opt_unknown(void)
|
|
{
|
|
return dunno;
|
|
}
|
|
|
|
/* Return the rest of the arguments after parsing flags. */
|
|
char **opt_rest(void)
|
|
{
|
|
return &argv[opt_index];
|
|
}
|
|
|
|
/* How many items in remaining args? */
|
|
int opt_num_rest(void)
|
|
{
|
|
int i = 0;
|
|
char **pp;
|
|
|
|
for (pp = opt_rest(); *pp; pp++, i++)
|
|
continue;
|
|
return i;
|
|
}
|
|
|
|
/* Return a string describing the parameter type. */
|
|
static const char *valtype2param(const OPTIONS *o)
|
|
{
|
|
switch (o->valtype) {
|
|
case 0:
|
|
case '-':
|
|
return "";
|
|
case 's':
|
|
return "val";
|
|
case '/':
|
|
return "dir";
|
|
case '<':
|
|
return "infile";
|
|
case '>':
|
|
return "outfile";
|
|
case 'p':
|
|
return "+int";
|
|
case 'n':
|
|
return "int";
|
|
case 'l':
|
|
return "long";
|
|
case 'u':
|
|
return "ulong";
|
|
case 'E':
|
|
return "PEM|DER|ENGINE";
|
|
case 'F':
|
|
return "PEM|DER";
|
|
case 'f':
|
|
return "format";
|
|
case 'M':
|
|
return "intmax";
|
|
case 'U':
|
|
return "uintmax";
|
|
}
|
|
return "parm";
|
|
}
|
|
|
|
void opt_help(const OPTIONS *list)
|
|
{
|
|
const OPTIONS *o;
|
|
int i;
|
|
int standard_prolog;
|
|
int width = 5;
|
|
char start[80 + 1];
|
|
char *p;
|
|
const char *help;
|
|
|
|
/* Starts with its own help message? */
|
|
standard_prolog = list[0].name != OPT_HELP_STR;
|
|
|
|
/* Find the widest help. */
|
|
for (o = list; o->name; o++) {
|
|
if (o->name == OPT_MORE_STR)
|
|
continue;
|
|
i = 2 + (int)strlen(o->name);
|
|
if (o->valtype != '-')
|
|
i += 1 + strlen(valtype2param(o));
|
|
if (i < MAX_OPT_HELP_WIDTH && i > width)
|
|
width = i;
|
|
assert(i < (int)sizeof(start));
|
|
}
|
|
|
|
if (standard_prolog)
|
|
BIO_printf(bio_err, "Usage: %s [options]\nValid options are:\n",
|
|
prog);
|
|
|
|
/* Now let's print. */
|
|
for (o = list; o->name; o++) {
|
|
help = o->helpstr ? o->helpstr : "(No additional info)";
|
|
if (o->name == OPT_HELP_STR) {
|
|
BIO_printf(bio_err, help, prog);
|
|
continue;
|
|
}
|
|
|
|
/* Pad out prefix */
|
|
memset(start, ' ', sizeof(start) - 1);
|
|
start[sizeof(start) - 1] = '\0';
|
|
|
|
if (o->name == OPT_MORE_STR) {
|
|
/* Continuation of previous line; pad and print. */
|
|
start[width] = '\0';
|
|
BIO_printf(bio_err, "%s %s\n", start, help);
|
|
continue;
|
|
}
|
|
|
|
/* Build up the "-flag [param]" part. */
|
|
p = start;
|
|
*p++ = ' ';
|
|
*p++ = '-';
|
|
if (o->name[0])
|
|
p += strlen(strcpy(p, o->name));
|
|
else
|
|
*p++ = '*';
|
|
if (o->valtype != '-') {
|
|
*p++ = ' ';
|
|
p += strlen(strcpy(p, valtype2param(o)));
|
|
}
|
|
*p = ' ';
|
|
if ((int)(p - start) >= MAX_OPT_HELP_WIDTH) {
|
|
*p = '\0';
|
|
BIO_printf(bio_err, "%s\n", start);
|
|
memset(start, ' ', sizeof(start));
|
|
}
|
|
start[width] = '\0';
|
|
BIO_printf(bio_err, "%s %s\n", start, help);
|
|
}
|
|
}
|