summaryrefslogtreecommitdiff
path: root/apps/lib/opt.c
diff options
context:
space:
mode:
Diffstat (limited to 'apps/lib/opt.c')
-rw-r--r--apps/lib/opt.c1198
1 files changed, 1198 insertions, 0 deletions
diff --git a/apps/lib/opt.c b/apps/lib/opt.c
new file mode 100644
index 000000000000..157367982d2f
--- /dev/null
+++ b/apps/lib/opt.c
@@ -0,0 +1,1198 @@
+/*
+ * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/*
+ * This file is also used by the test suite. Do not #include "apps.h".
+ */
+#include "opt.h"
+#include "fmt.h"
+#include "app_libctx.h"
+#include "internal/nelem.h"
+#include "internal/numbers.h"
+#include <string.h>
+#if !defined(OPENSSL_SYS_MSDOS)
+# include <unistd.h>
+#endif
+
+#include <stdlib.h>
+#include <errno.h>
+#include <ctype.h>
+#include <limits.h>
+#include <openssl/err.h>
+#include <openssl/bio.h>
+#include <openssl/x509v3.h>
+
+#define MAX_OPT_HELP_WIDTH 30
+const char OPT_HELP_STR[] = "-H";
+const char OPT_MORE_STR[] = "-M";
+const char OPT_SECTION_STR[] = "-S";
+const char OPT_PARAM_STR[] = "-P";
+
+/* Our state */
+static char **argv;
+static int argc;
+static int opt_index;
+static char *arg;
+static char *flag;
+static char *dunno;
+static const OPTIONS *unknown;
+static const OPTIONS *opts;
+static char prog[40];
+
+/*
+ * Return the simple name of the program; removing various platform gunk.
+ */
+#if defined(OPENSSL_SYS_WIN32)
+
+const char *opt_path_end(const char *filename)
+{
+ const char *p;
+
+ /* find the last '/', '\' or ':' */
+ for (p = filename + strlen(filename); --p > filename; )
+ if (*p == '/' || *p == '\\' || *p == ':') {
+ p++;
+ break;
+ }
+ return p;
+}
+
+char *opt_progname(const char *argv0)
+{
+ size_t i, n;
+ const char *p;
+ char *q;
+
+ p = opt_path_end(argv0);
+
+ /* Strip off trailing nonsense. */
+ n = strlen(p);
+ if (n > 4 &&
+ (strcmp(&p[n - 4], ".exe") == 0 || strcmp(&p[n - 4], ".EXE") == 0))
+ n -= 4;
+
+ /* Copy over the name, in lowercase. */
+ if (n > sizeof(prog) - 1)
+ n = sizeof(prog) - 1;
+ for (q = prog, i = 0; i < n; i++, p++)
+ *q++ = tolower((unsigned char)*p);
+ *q = '\0';
+ return prog;
+}
+
+#elif defined(OPENSSL_SYS_VMS)
+
+const char *opt_path_end(const char *filename)
+{
+ const char *p;
+
+ /* Find last special character sys:[foo.bar]openssl */
+ for (p = filename + strlen(filename); --p > filename;)
+ if (*p == ':' || *p == ']' || *p == '>') {
+ p++;
+ break;
+ }
+ return p;
+}
+
+char *opt_progname(const char *argv0)
+{
+ const char *p, *q;
+
+ /* Find last special character sys:[foo.bar]openssl */
+ p = opt_path_end(argv0);
+ q = strrchr(p, '.');
+ if (prog != p)
+ strncpy(prog, p, sizeof(prog) - 1);
+ prog[sizeof(prog) - 1] = '\0';
+ if (q != NULL && q - p < sizeof(prog))
+ prog[q - p] = '\0';
+ return prog;
+}
+
+#else
+
+const char *opt_path_end(const char *filename)
+{
+ const char *p;
+
+ /* Could use strchr, but this is like the ones above. */
+ for (p = filename + strlen(filename); --p > filename;)
+ if (*p == '/') {
+ p++;
+ break;
+ }
+ return p;
+}
+
+char *opt_progname(const char *argv0)
+{
+ const char *p;
+
+ p = opt_path_end(argv0);
+ if (prog != p)
+ strncpy(prog, p, sizeof(prog) - 1);
+ prog[sizeof(prog) - 1] = '\0';
+ return prog;
+}
+#endif
+
+char *opt_appname(const char *argv0)
+{
+ size_t len = strlen(prog);
+
+ if (argv0 != NULL)
+ BIO_snprintf(prog + len, sizeof(prog) - len - 1, " %s", argv0);
+ return prog;
+}
+
+char *opt_getprog(void)
+{
+ return prog;
+}
+
+/* Set up the arg parsing. */
+char *opt_init(int ac, char **av, const OPTIONS *o)
+{
+ /* Store state. */
+ argc = ac;
+ argv = av;
+ opt_begin();
+ opts = o;
+ unknown = NULL;
+
+ /* Make sure prog name is set for usage output */
+ (void)opt_progname(argv[0]);
+
+ /* Check all options up until the PARAM marker (if present) */
+ for (; o->name != NULL && o->name != OPT_PARAM_STR; ++o) {
+#ifndef NDEBUG
+ const OPTIONS *next;
+ int duplicated, i;
+#endif
+
+ if (o->name == OPT_HELP_STR
+ || o->name == OPT_MORE_STR
+ || o->name == OPT_SECTION_STR)
+ continue;
+#ifndef NDEBUG
+ i = o->valtype;
+
+ /* Make sure options are legit. */
+ OPENSSL_assert(o->name[0] != '-');
+ if (o->valtype == '.')
+ OPENSSL_assert(o->retval == OPT_PARAM);
+ else
+ OPENSSL_assert(o->retval == OPT_DUP || o->retval > OPT_PARAM);
+ switch (i) {
+ case 0: case '-': case '.':
+ case '/': case '<': case '>': case 'E': case 'F':
+ case 'M': case 'U': case 'f': case 'l': case 'n': case 'p': case 's':
+ case 'u': case 'c': case ':': case 'N':
+ break;
+ default:
+ OPENSSL_assert(0);
+ }
+
+ /* Make sure there are no duplicates. */
+ for (next = o + 1; next->name; ++next) {
+ /*
+ * Some compilers inline strcmp and the assert string is too long.
+ */
+ duplicated = next->retval != OPT_DUP
+ && strcmp(o->name, next->name) == 0;
+ if (duplicated) {
+ opt_printf_stderr("%s: Internal error: duplicate option %s\n",
+ prog, o->name);
+ OPENSSL_assert(!duplicated);
+ }
+ }
+#endif
+ if (o->name[0] == '\0') {
+ OPENSSL_assert(unknown == NULL);
+ unknown = o;
+ OPENSSL_assert(unknown->valtype == 0 || unknown->valtype == '-');
+ }
+ }
+ return prog;
+}
+
+static OPT_PAIR formats[] = {
+ {"PEM/DER", OPT_FMT_PEMDER},
+ {"pkcs12", OPT_FMT_PKCS12},
+ {"smime", OPT_FMT_SMIME},
+ {"engine", OPT_FMT_ENGINE},
+ {"msblob", OPT_FMT_MSBLOB},
+ {"nss", OPT_FMT_NSS},
+ {"text", OPT_FMT_TEXT},
+ {"http", OPT_FMT_HTTP},
+ {"pvk", OPT_FMT_PVK},
+ {NULL}
+};
+
+/* Print an error message about a failed format parse. */
+static int opt_format_error(const char *s, unsigned long flags)
+{
+ OPT_PAIR *ap;
+
+ if (flags == OPT_FMT_PEMDER) {
+ opt_printf_stderr("%s: Bad format \"%s\"; must be pem or der\n",
+ prog, s);
+ } else {
+ opt_printf_stderr("%s: Bad format \"%s\"; must be one of:\n",
+ prog, s);
+ for (ap = formats; ap->name; ap++)
+ if (flags & ap->retval)
+ opt_printf_stderr(" %s\n", ap->name);
+ }
+ return 0;
+}
+
+/* Parse a format string, put it into *result; return 0 on failure, else 1. */
+int opt_format(const char *s, unsigned long flags, int *result)
+{
+ switch (*s) {
+ default:
+ opt_printf_stderr("%s: Bad format \"%s\"\n", prog, s);
+ return 0;
+ case 'D':
+ case 'd':
+ if ((flags & OPT_FMT_PEMDER) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_ASN1;
+ break;
+ case 'T':
+ case 't':
+ if ((flags & OPT_FMT_TEXT) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_TEXT;
+ break;
+ case 'N':
+ case 'n':
+ if ((flags & OPT_FMT_NSS) == 0)
+ return opt_format_error(s, flags);
+ if (strcmp(s, "NSS") != 0 && strcmp(s, "nss") != 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_NSS;
+ break;
+ case 'S':
+ case 's':
+ if ((flags & OPT_FMT_SMIME) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_SMIME;
+ break;
+ case 'M':
+ case 'm':
+ if ((flags & OPT_FMT_MSBLOB) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_MSBLOB;
+ break;
+ case 'E':
+ case 'e':
+ if ((flags & OPT_FMT_ENGINE) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_ENGINE;
+ break;
+ case 'H':
+ case 'h':
+ if ((flags & OPT_FMT_HTTP) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_HTTP;
+ break;
+ case '1':
+ if ((flags & OPT_FMT_PKCS12) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_PKCS12;
+ break;
+ case 'P':
+ case 'p':
+ if (s[1] == '\0' || strcmp(s, "PEM") == 0 || strcmp(s, "pem") == 0) {
+ if ((flags & OPT_FMT_PEMDER) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_PEM;
+ } else if (strcmp(s, "PVK") == 0 || strcmp(s, "pvk") == 0) {
+ if ((flags & OPT_FMT_PVK) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_PVK;
+ } else if (strcmp(s, "P12") == 0 || strcmp(s, "p12") == 0
+ || strcmp(s, "PKCS12") == 0 || strcmp(s, "pkcs12") == 0) {
+ if ((flags & OPT_FMT_PKCS12) == 0)
+ return opt_format_error(s, flags);
+ *result = FORMAT_PKCS12;
+ } else {
+ opt_printf_stderr("%s: Bad format \"%s\"\n", prog, s);
+ return 0;
+ }
+ break;
+ }
+ return 1;
+}
+
+/* Return string representing the given format. */
+static const char *format2str(int format)
+{
+ switch (format) {
+ default:
+ return "(undefined)";
+ case FORMAT_PEM:
+ return "PEM";
+ case FORMAT_ASN1:
+ return "DER";
+ case FORMAT_TEXT:
+ return "TEXT";
+ case FORMAT_NSS:
+ return "NSS";
+ case FORMAT_SMIME:
+ return "SMIME";
+ case FORMAT_MSBLOB:
+ return "MSBLOB";
+ case FORMAT_ENGINE:
+ return "ENGINE";
+ case FORMAT_HTTP:
+ return "HTTP";
+ case FORMAT_PKCS12:
+ return "P12";
+ case FORMAT_PVK:
+ return "PVK";
+ }
+}
+
+/* Print an error message about unsuitable/unsupported format requested. */
+void print_format_error(int format, unsigned long flags)
+{
+ (void)opt_format_error(format2str(format), flags);
+}
+
+/*
+ * Parse a cipher name, put it in *cipherp after freeing what was there, if
+ * cipherp is not NULL. Return 0 on failure, else 1.
+ */
+int opt_cipher_silent(const char *name, EVP_CIPHER **cipherp)
+{
+ EVP_CIPHER *c;
+
+ ERR_set_mark();
+ if ((c = EVP_CIPHER_fetch(app_get0_libctx(), name,
+ app_get0_propq())) != NULL
+ || (opt_legacy_okay()
+ && (c = (EVP_CIPHER *)EVP_get_cipherbyname(name)) != NULL)) {
+ ERR_pop_to_mark();
+ if (cipherp != NULL) {
+ EVP_CIPHER_free(*cipherp);
+ *cipherp = c;
+ } else {
+ EVP_CIPHER_free(c);
+ }
+ return 1;
+ }
+ ERR_clear_last_mark();
+ return 0;
+}
+
+int opt_cipher_any(const char *name, EVP_CIPHER **cipherp)
+{
+ int ret;
+
+ if ((ret = opt_cipher_silent(name, cipherp)) == 0)
+ opt_printf_stderr("%s: Unknown cipher: %s\n", prog, name);
+ return ret;
+}
+
+int opt_cipher(const char *name, EVP_CIPHER **cipherp)
+{
+ int mode, ret = 0;
+ unsigned long int flags;
+ EVP_CIPHER *c = NULL;
+
+ if (opt_cipher_any(name, &c)) {
+ mode = EVP_CIPHER_get_mode(c);
+ flags = EVP_CIPHER_get_flags(c);
+ if (mode == EVP_CIPH_XTS_MODE) {
+ opt_printf_stderr("%s XTS ciphers not supported\n", prog);
+ } else if ((flags & EVP_CIPH_FLAG_AEAD_CIPHER) != 0) {
+ opt_printf_stderr("%s: AEAD ciphers not supported\n", prog);
+ } else {
+ ret = 1;
+ if (cipherp != NULL)
+ *cipherp = c;
+ }
+ }
+ return ret;
+}
+
+/*
+ * Parse message digest name, put it in *EVP_MD; return 0 on failure, else 1.
+ */
+int opt_md_silent(const char *name, EVP_MD **mdp)
+{
+ EVP_MD *md;
+
+ ERR_set_mark();
+ if ((md = EVP_MD_fetch(app_get0_libctx(), name, app_get0_propq())) != NULL
+ || (opt_legacy_okay()
+ && (md = (EVP_MD *)EVP_get_digestbyname(name)) != NULL)) {
+ ERR_pop_to_mark();
+ if (mdp != NULL) {
+ EVP_MD_free(*mdp);
+ *mdp = md;
+ } else {
+ EVP_MD_free(md);
+ }
+ return 1;
+ }
+ ERR_clear_last_mark();
+ return 0;
+}
+
+int opt_md(const char *name, EVP_MD **mdp)
+{
+ int ret;
+
+ if ((ret = opt_md_silent(name, mdp)) == 0)
+ opt_printf_stderr("%s: Unknown option or message digest: %s\n", prog,
+ name != NULL ? name : "\"\"");
+ return ret;
+}
+
+/* Look through a list of name/value pairs. */
+int opt_pair(const char *name, const OPT_PAIR* pairs, int *result)
+{
+ const OPT_PAIR *pp;
+
+ for (pp = pairs; pp->name; pp++)
+ if (strcmp(pp->name, name) == 0) {
+ *result = pp->retval;
+ return 1;
+ }
+ opt_printf_stderr("%s: Value must be one of:\n", prog);
+ for (pp = pairs; pp->name; pp++)
+ opt_printf_stderr("\t%s\n", pp->name);
+ return 0;
+}
+
+/* Look through a list of valid names */
+int opt_string(const char *name, const char **options)
+{
+ const char **p;
+
+ for (p = options; *p != NULL; p++)
+ if (strcmp(*p, name) == 0)
+ return 1;
+ opt_printf_stderr("%s: Value must be one of:\n", prog);
+ for (p = options; *p != NULL; p++)
+ opt_printf_stderr("\t%s\n", *p);
+ return 0;
+}
+
+/* Parse an int, put it into *result; return 0 on failure, else 1. */
+int opt_int(const char *value, int *result)
+{
+ long l;
+
+ if (!opt_long(value, &l))
+ return 0;
+ *result = (int)l;
+ if (*result != l) {
+ opt_printf_stderr("%s: Value \"%s\" outside integer range\n",
+ prog, value);
+ return 0;
+ }
+ return 1;
+}
+
+/* Parse and return an integer, assuming range has been checked before. */
+int opt_int_arg(void)
+{
+ int result = -1;
+
+ (void)opt_int(arg, &result);
+ return result;
+}
+
+static void opt_number_error(const char *v)
+{
+ size_t i = 0;
+ struct strstr_pair_st {
+ char *prefix;
+ char *name;
+ } b[] = {
+ {"0x", "a hexadecimal"},
+ {"0X", "a hexadecimal"},
+ {"0", "an octal"}
+ };
+
+ for (i = 0; i < OSSL_NELEM(b); i++) {
+ if (strncmp(v, b[i].prefix, strlen(b[i].prefix)) == 0) {
+ opt_printf_stderr("%s: Can't parse \"%s\" as %s number\n",
+ prog, v, b[i].name);
+ return;
+ }
+ }
+ opt_printf_stderr("%s: Can't parse \"%s\" as a number\n", prog, v);
+ return;
+}
+
+/* Parse a long, put it into *result; return 0 on failure, else 1. */
+int opt_long(const char *value, long *result)
+{
+ int oerrno = errno;
+ long l;
+ char *endp;
+
+ errno = 0;
+ l = strtol(value, &endp, 0);
+ if (*endp
+ || endp == value
+ || ((l == LONG_MAX || l == LONG_MIN) && errno == ERANGE)
+ || (l == 0 && errno != 0)) {
+ opt_number_error(value);
+ errno = oerrno;
+ return 0;
+ }
+ *result = l;
+ errno = oerrno;
+ return 1;
+}
+
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \
+ defined(INTMAX_MAX) && defined(UINTMAX_MAX) && \
+ !defined(OPENSSL_NO_INTTYPES_H)
+
+/* Parse an intmax_t, put it into *result; return 0 on failure, else 1. */
+int opt_intmax(const char *value, ossl_intmax_t *result)
+{
+ int oerrno = errno;
+ intmax_t m;
+ char *endp;
+
+ errno = 0;
+ m = strtoimax(value, &endp, 0);
+ if (*endp
+ || endp == value
+ || ((m == INTMAX_MAX || m == INTMAX_MIN)
+ && errno == ERANGE)
+ || (m == 0 && errno != 0)) {
+ opt_number_error(value);
+ errno = oerrno;
+ return 0;
+ }
+ /* Ensure that the value in |m| is never too big for |*result| */
+ if (sizeof(m) > sizeof(*result)
+ && (m < OSSL_INTMAX_MIN || m > OSSL_INTMAX_MAX)) {
+ opt_number_error(value);
+ return 0;
+ }
+ *result = (ossl_intmax_t)m;
+ errno = oerrno;
+ return 1;
+}
+
+/* Parse a uintmax_t, put it into *result; return 0 on failure, else 1. */
+int opt_uintmax(const char *value, ossl_uintmax_t *result)
+{
+ int oerrno = errno;
+ uintmax_t m;
+ char *endp;
+
+ errno = 0;
+ m = strtoumax(value, &endp, 0);
+ if (*endp
+ || endp == value
+ || (m == UINTMAX_MAX && errno == ERANGE)
+ || (m == 0 && errno != 0)) {
+ opt_number_error(value);
+ errno = oerrno;
+ return 0;
+ }
+ /* Ensure that the value in |m| is never too big for |*result| */
+ if (sizeof(m) > sizeof(*result)
+ && m > OSSL_UINTMAX_MAX) {
+ opt_number_error(value);
+ return 0;
+ }
+ *result = (ossl_intmax_t)m;
+ errno = oerrno;
+ return 1;
+}
+#else
+/* Fallback implementations based on long */
+int opt_intmax(const char *value, ossl_intmax_t *result)
+{
+ long m;
+ int ret;
+
+ if ((ret = opt_long(value, &m)))
+ *result = m;
+ return ret;
+}
+
+int opt_uintmax(const char *value, ossl_uintmax_t *result)
+{
+ unsigned long m;
+ int ret;
+
+ if ((ret = opt_ulong(value, &m)))
+ *result = m;
+ return ret;
+}
+#endif
+
+/*
+ * Parse an unsigned long, put it into *result; return 0 on failure, else 1.
+ */
+int opt_ulong(const char *value, unsigned long *result)
+{
+ int oerrno = errno;
+ char *endptr;
+ unsigned long l;
+
+ errno = 0;
+ l = strtoul(value, &endptr, 0);
+ if (*endptr
+ || endptr == value
+ || ((l == ULONG_MAX) && errno == ERANGE)
+ || (l == 0 && errno != 0)) {
+ opt_number_error(value);
+ errno = oerrno;
+ return 0;
+ }
+ *result = l;
+ errno = oerrno;
+ return 1;
+}
+
+/*
+ * We pass opt as an int but cast it to "enum range" so that all the
+ * items in the OPT_V_ENUM enumeration are caught; this makes -Wswitch
+ * in gcc do the right thing.
+ */
+enum range { OPT_V_ENUM };
+
+int opt_verify(int opt, X509_VERIFY_PARAM *vpm)
+{
+ int i;
+ ossl_intmax_t t = 0;
+ ASN1_OBJECT *otmp;
+ X509_PURPOSE *xptmp;
+ const X509_VERIFY_PARAM *vtmp;
+
+ OPENSSL_assert(vpm != NULL);
+ OPENSSL_assert(opt > OPT_V__FIRST);
+ OPENSSL_assert(opt < OPT_V__LAST);
+
+ switch ((enum range)opt) {
+ case OPT_V__FIRST:
+ case OPT_V__LAST:
+ return 0;
+ case OPT_V_POLICY:
+ otmp = OBJ_txt2obj(opt_arg(), 0);
+ if (otmp == NULL) {
+ opt_printf_stderr("%s: Invalid Policy %s\n", prog, opt_arg());
+ return 0;
+ }
+ X509_VERIFY_PARAM_add0_policy(vpm, otmp);
+ break;
+ case OPT_V_PURPOSE:
+ /* purpose name -> purpose index */
+ i = X509_PURPOSE_get_by_sname(opt_arg());
+ if (i < 0) {
+ opt_printf_stderr("%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)) {
+ opt_printf_stderr("%s: Internal error setting purpose %s\n",
+ prog, opt_arg());
+ return 0;
+ }
+ break;
+ case OPT_V_VERIFY_NAME:
+ vtmp = X509_VERIFY_PARAM_lookup(opt_arg());
+ if (vtmp == NULL) {
+ opt_printf_stderr("%s: Invalid verify name %s\n",
+ prog, opt_arg());
+ return 0;
+ }
+ X509_VERIFY_PARAM_set1(vpm, vtmp);
+ 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_intmax(opt_arg(), &t))
+ return 0;
+ if (t != (time_t)t) {
+ opt_printf_stderr("%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;
+
+}
+
+void opt_begin(void)
+{
+ opt_index = 1;
+ arg = NULL;
+ flag = NULL;
+}
+
+/*
+ * 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, "h") == 0 && strcmp(o->name, "help") == 0)
+ && 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) {
+ opt_printf_stderr("%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) {
+ opt_printf_stderr("%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':
+ case ':':
+ /* Just a string. */
+ break;
+ case '.':
+ /* Parameters */
+ break;
+ case '/':
+ if (opt_isdir(arg) > 0)
+ break;
+ opt_printf_stderr("%s: Not a directory: %s\n", prog, arg);
+ return -1;
+ case '<':
+ /* Input file. */
+ break;
+ case '>':
+ /* Output file. */
+ break;
+ case 'p':
+ case 'n':
+ case 'N':
+ if (!opt_int(arg, &ival))
+ return -1;
+ if (o->valtype == 'p' && ival <= 0) {
+ opt_printf_stderr("%s: Non-positive number \"%s\" for option -%s\n",
+ prog, arg, o->name);
+ return -1;
+ }
+ if (o->valtype == 'N' && ival < 0) {
+ opt_printf_stderr("%s: Negative number \"%s\" for option -%s\n",
+ prog, arg, o->name);
+ return -1;
+ }
+ break;
+ case 'M':
+ if (!opt_intmax(arg, &imval))
+ return -1;
+ break;
+ case 'U':
+ if (!opt_uintmax(arg, &umval))
+ return -1;
+ break;
+ case 'l':
+ if (!opt_long(arg, &lval))
+ return -1;
+ break;
+ case 'u':
+ if (!opt_ulong(arg, &ulval))
+ 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;
+ opt_printf_stderr("%s: Invalid format \"%s\" for option -%s\n",
+ prog, arg, o->name);
+ return -1;
+ }
+
+ /* Return the flag value. */
+ return o->retval;
+ }
+ if (unknown != NULL) {
+ dunno = p;
+ return unknown->retval;
+ }
+ opt_printf_stderr("%s: 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 (option name including the preceding '-'). */
+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 ':':
+ return "uri";
+ 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 'N':
+ return "nonneg";
+ case 'U':
+ return "uintmax";
+ }
+ return "parm";
+}
+
+static void opt_print(const OPTIONS *o, int doingparams, int width)
+{
+ const char* help;
+ char start[80 + 1];
+ char *p;
+
+ help = o->helpstr ? o->helpstr : "(No additional info)";
+ if (o->name == OPT_HELP_STR) {
+ opt_printf_stderr(help, prog);
+ return;
+ }
+ if (o->name == OPT_SECTION_STR) {
+ opt_printf_stderr("\n");
+ opt_printf_stderr(help, prog);
+ return;
+ }
+ if (o->name == OPT_PARAM_STR) {
+ opt_printf_stderr("\nParameters:\n");
+ return;
+ }
+
+ /* 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';
+ opt_printf_stderr("%s %s\n", start, help);
+ return;
+ }
+
+ /* Build up the "-flag [param]" part. */
+ p = start;
+ *p++ = ' ';
+ if (!doingparams)
+ *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';
+ opt_printf_stderr("%s\n", start);
+ memset(start, ' ', sizeof(start));
+ }
+ start[width] = '\0';
+ opt_printf_stderr("%s %s\n", start, help);
+}
+
+void opt_help(const OPTIONS *list)
+{
+ const OPTIONS *o;
+ int i, sawparams = 0, width = 5;
+ int standard_prolog;
+ char start[80 + 1];
+
+ /* 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;
+ OPENSSL_assert(i < (int)sizeof(start));
+ }
+
+ if (standard_prolog) {
+ opt_printf_stderr("Usage: %s [options]\n", prog);
+ if (list[0].name != OPT_SECTION_STR)
+ opt_printf_stderr("Valid options are:\n", prog);
+ }
+
+ /* Now let's print. */
+ for (o = list; o->name; o++) {
+ if (o->name == OPT_PARAM_STR)
+ sawparams = 1;
+ opt_print(o, sawparams, width);
+ }
+}
+
+/* opt_isdir section */
+#ifdef _WIN32
+# include <windows.h>
+int opt_isdir(const char *name)
+{
+ DWORD attr;
+# if defined(UNICODE) || defined(_UNICODE)
+ size_t i, len_0 = strlen(name) + 1;
+ WCHAR tempname[MAX_PATH];
+
+ if (len_0 > MAX_PATH)
+ return -1;
+
+# if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+ if (!MultiByteToWideChar(CP_ACP, 0, name, len_0, tempname, MAX_PATH))
+# endif
+ for (i = 0; i < len_0; i++)
+ tempname[i] = (WCHAR)name[i];
+
+ attr = GetFileAttributes(tempname);
+# else
+ attr = GetFileAttributes(name);
+# endif
+ if (attr == INVALID_FILE_ATTRIBUTES)
+ return -1;
+ return ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0);
+}
+#else
+# include <sys/stat.h>
+# ifndef S_ISDIR
+# if defined(_S_IFMT) && defined(_S_IFDIR)
+# define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
+# else
+# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
+# endif
+# endif
+
+int opt_isdir(const char *name)
+{
+# if defined(S_ISDIR)
+ struct stat st;
+
+ if (stat(name, &st) == 0)
+ return S_ISDIR(st.st_mode);
+ else
+ return -1;
+# else
+ return -1;
+# endif
+}
+#endif
generated by cgit v1.3 (git 2.53.0) at 2026-04-18 03:19:22 +0000