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Diffstat (limited to 'usr/src/cmd/cmd-inet/usr.lib/wanboot/p12split/p12split.c')
-rw-r--r--usr/src/cmd/cmd-inet/usr.lib/wanboot/p12split/p12split.c657
1 files changed, 657 insertions, 0 deletions
diff --git a/usr/src/cmd/cmd-inet/usr.lib/wanboot/p12split/p12split.c b/usr/src/cmd/cmd-inet/usr.lib/wanboot/p12split/p12split.c
new file mode 100644
index 0000000000..600f7ffd33
--- /dev/null
+++ b/usr/src/cmd/cmd-inet/usr.lib/wanboot/p12split/p12split.c
@@ -0,0 +1,657 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2002-2003 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include <stdio.h>
+#include <libintl.h>
+#include <locale.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wanboot_impl.h>
+#include <unistd.h>
+#include <string.h>
+#include <libinetutil.h>
+#include <wanbootutil.h>
+
+#include <openssl/crypto.h>
+#include <openssl/buffer.h>
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/pkcs12.h>
+#include <openssl/evp.h>
+#include <p12aux.h>
+
+static boolean_t verbose = B_FALSE; /* When nonzero, do in verbose mode */
+
+/* The following match/cert values require PKCS12 */
+static int matchty; /* Type of matching do to on input */
+static char *k_matchval; /* localkeyid value to match */
+static uint_t k_len; /* length of k_matchval */
+
+#define IO_KEYFILE 1 /* Have a separate key file or data */
+#define IO_CERTFILE 2 /* Have a separate cert file or data */
+#define IO_TRUSTFILE 4 /* Have a separate trustanchor file */
+
+static char *input = NULL; /* Consolidated input file */
+static char *key_out = NULL; /* Key file to be output */
+static char *cert_out = NULL; /* Cert file to be output */
+static char *trust_out = NULL; /* Trust anchor file to be output */
+static uint_t outfiles; /* What files are there for output */
+static char *progname;
+
+/* Returns from time_check */
+typedef enum {
+ CHK_TIME_OK = 0, /* Cert in effect and not expired */
+ CHK_TIME_BEFORE_BAD, /* not_before field is invalid */
+ CHK_TIME_AFTER_BAD, /* not_after field is invalid */
+ CHK_TIME_IS_BEFORE, /* Cert not yet in force */
+ CHK_TIME_HAS_EXPIRED /* Cert has expired */
+} time_errs_t;
+
+static int parse_keyid(const char *);
+static int do_certs(void);
+static int read_files(STACK_OF(X509) **, X509 **, EVP_PKEY **);
+static void check_certs(STACK_OF(X509) *, X509 **);
+static time_errs_t time_check_print(X509 *);
+static time_errs_t time_check(X509 *);
+static int write_files(STACK_OF(X509) *, X509 *, EVP_PKEY *);
+static int get_ifile(char *, char *, EVP_PKEY **, X509 **, STACK_OF(X509) **);
+static int do_ofile(char *, EVP_PKEY *, X509 *, STACK_OF(X509) *);
+static void usage(void);
+static const char *cryptoerr(void);
+
+int
+main(int argc, char **argv)
+{
+ int i;
+
+ /*
+ * Do the necessary magic for localization support.
+ */
+ (void) setlocale(LC_ALL, "");
+#if !defined(TEXT_DOMAIN)
+#define TEXT_DOMAIN "SYS_TEST"
+#endif
+ (void) textdomain(TEXT_DOMAIN);
+
+ progname = strrchr(argv[0], '/');
+ if (progname != NULL)
+ progname++;
+ else
+ progname = argv[0];
+
+ wbku_errinit(progname);
+
+ matchty = DO_FIRST_PAIR;
+ while ((i = getopt(argc, argv, "vc:i:k:l:t:")) != -1) {
+ switch (i) {
+ case 'v':
+ verbose = B_TRUE;
+ break;
+
+ case 'l':
+ if (parse_keyid(optarg) < 0)
+ return (EXIT_FAILURE);
+ matchty = DO_FIND_KEYID;
+ break;
+
+ case 'c':
+ cert_out = optarg;
+ outfiles |= IO_CERTFILE;
+ break;
+
+ case 'k':
+ key_out = optarg;
+ outfiles |= IO_KEYFILE;
+ break;
+
+ case 't':
+ trust_out = optarg;
+ outfiles |= IO_TRUSTFILE;
+ break;
+
+ case 'i':
+ input = optarg;
+ break;
+
+ default:
+ usage();
+ }
+ }
+
+ if (input == NULL) {
+ wbku_printerr("no input file specified\n");
+ usage();
+ }
+
+ /*
+ * Need output files.
+ */
+ if (outfiles == 0) {
+ wbku_printerr("at least one output file must be specified\n");
+ usage();
+ }
+
+ if (do_certs() < 0)
+ return (EXIT_FAILURE);
+
+ return (EXIT_SUCCESS);
+}
+
+static int
+parse_keyid(const char *keystr)
+{
+ const char *rp;
+ char *wp;
+ char *nkeystr;
+ uint_t nkeystrlen;
+
+ /*
+ * In the worst case, we'll need one additional character in our
+ * output string -- e.g. "A\0" -> "0A\0"
+ */
+ nkeystrlen = strlen(keystr) + 2;
+ k_len = (nkeystrlen + 1) / 2;
+ nkeystr = malloc(nkeystrlen);
+ k_matchval = malloc(k_len);
+ if (nkeystr == NULL || k_matchval == NULL) {
+ free(nkeystr);
+ free(k_matchval);
+ wbku_printerr("cannot allocate keyid");
+ return (-1);
+ }
+
+ /*
+ * For convenience, we allow the user to put spaces between each digit
+ * when entering it on the command line. As a result, we need to
+ * process it into a format that hexascii_to_octet() can handle. Note
+ * that we're careful to map strings like "AA B CC D" to "AA0BCC0D".
+ */
+ for (rp = keystr, wp = nkeystr; *rp != '\0'; rp++) {
+ if (*rp == ' ')
+ continue;
+
+ if (rp[1] == ' ' || rp[1] == '\0') {
+ *wp++ = '0'; /* one character sequence; prepend 0 */
+ *wp++ = *rp;
+ } else {
+ *wp++ = *rp++;
+ *wp++ = *rp;
+ }
+ }
+ *wp = '\0';
+
+ if (hexascii_to_octet(nkeystr, wp - nkeystr, k_matchval, &k_len) != 0) {
+ free(nkeystr);
+ free(k_matchval);
+ wbku_printerr("invalid keyid `%s'\n", keystr);
+ return (-1);
+ }
+
+ free(nkeystr);
+ return (0);
+}
+
+static int
+do_certs(void)
+{
+ char *bufp;
+ STACK_OF(X509) *ta_in = NULL;
+ EVP_PKEY *pkey_in = NULL;
+ X509 *xcert_in = NULL;
+
+ sunw_crypto_init();
+
+ if (read_files(&ta_in, &xcert_in, &pkey_in) < 0)
+ return (-1);
+
+ if (verbose) {
+ if (xcert_in != NULL) {
+ (void) printf(gettext("\nMain cert:\n"));
+
+ /*
+ * sunw_subject_attrs() returns a pointer to
+ * memory allocated on our behalf. The same
+ * behavior is exhibited by sunw_issuer_attrs().
+ */
+ bufp = sunw_subject_attrs(xcert_in, NULL, 0);
+ if (bufp != NULL) {
+ (void) printf(gettext(" Subject: %s\n"),
+ bufp);
+ OPENSSL_free(bufp);
+ }
+
+ bufp = sunw_issuer_attrs(xcert_in, NULL, 0);
+ if (bufp != NULL) {
+ (void) printf(gettext(" Issuer: %s\n"), bufp);
+ OPENSSL_free(bufp);
+ }
+
+ (void) sunw_print_times(stdout, PRNT_BOTH, NULL,
+ xcert_in);
+ }
+
+ if (ta_in != NULL) {
+ X509 *x;
+ int i;
+
+ for (i = 0; i < sk_X509_num(ta_in); i++) {
+ /* LINTED */
+ x = sk_X509_value(ta_in, i);
+ (void) printf(
+ gettext("\nTrust Anchor cert %d:\n"), i);
+
+ /*
+ * sunw_subject_attrs() returns a pointer to
+ * memory allocated on our behalf. We get the
+ * same behavior from sunw_issuer_attrs().
+ */
+ bufp = sunw_subject_attrs(x, NULL, 0);
+ if (bufp != NULL) {
+ (void) printf(
+ gettext(" Subject: %s\n"), bufp);
+ OPENSSL_free(bufp);
+ }
+
+ bufp = sunw_issuer_attrs(x, NULL, 0);
+ if (bufp != NULL) {
+ (void) printf(
+ gettext(" Issuer: %s\n"), bufp);
+ OPENSSL_free(bufp);
+ }
+
+ (void) sunw_print_times(stdout, PRNT_BOTH,
+ NULL, x);
+ }
+ }
+ }
+
+ check_certs(ta_in, &xcert_in);
+ if (xcert_in != NULL && pkey_in != NULL) {
+ if (sunw_check_keys(xcert_in, pkey_in) == 0) {
+ wbku_printerr("warning: key and certificate do "
+ "not match\n");
+ }
+ }
+
+ return (write_files(ta_in, xcert_in, pkey_in));
+}
+
+static int
+read_files(STACK_OF(X509) **t_in, X509 **c_in, EVP_PKEY **k_in)
+{
+ char *i_pass;
+
+ i_pass = getpassphrase(gettext("Enter key password: "));
+
+ if (get_ifile(input, i_pass, k_in, c_in, t_in) < 0)
+ return (-1);
+
+ /*
+ * If we are only interested in getting a trust anchor, and if there
+ * is no trust anchor but is a regular cert, use it instead. Do this
+ * to handle the insanity with openssl, which requires a matching cert
+ * and key in order to write a PKCS12 file.
+ */
+ if (outfiles == IO_TRUSTFILE) {
+ if (c_in != NULL && *c_in != NULL && t_in != NULL) {
+ if (*t_in == NULL) {
+ if ((*t_in = sk_X509_new_null()) == NULL) {
+ wbku_printerr("out of memory\n");
+ return (-1);
+ }
+ }
+
+ if (sk_X509_num(*t_in) == 0) {
+ if (sk_X509_push(*t_in, *c_in) == 0) {
+ wbku_printerr("out of memory\n");
+ return (-1);
+ }
+ *c_in = NULL;
+ }
+ }
+ }
+
+ if ((outfiles & IO_KEYFILE) && *k_in == NULL) {
+ wbku_printerr("no matching key found\n");
+ return (-1);
+ }
+ if ((outfiles & IO_CERTFILE) && *c_in == NULL) {
+ wbku_printerr("no matching certificate found\n");
+ return (-1);
+ }
+ if ((outfiles & IO_TRUSTFILE) && *t_in == NULL) {
+ wbku_printerr("no matching trust anchor found\n");
+ return (-1);
+ }
+
+ return (0);
+}
+
+static void
+check_certs(STACK_OF(X509) *ta_in, X509 **c_in)
+{
+ X509 *curr;
+ time_errs_t ret;
+ int i;
+ int del_expired = (outfiles != 0);
+
+ if (c_in != NULL && *c_in != NULL) {
+ ret = time_check_print(*c_in);
+ if ((ret != CHK_TIME_OK && ret != CHK_TIME_IS_BEFORE) &&
+ del_expired) {
+ (void) fprintf(stderr, gettext(" Removing cert\n"));
+ X509_free(*c_in);
+ *c_in = NULL;
+ }
+ }
+
+ if (ta_in == NULL)
+ return;
+
+ for (i = 0; i < sk_X509_num(ta_in); ) {
+ /* LINTED */
+ curr = sk_X509_value(ta_in, i);
+ ret = time_check_print(curr);
+ if ((ret != CHK_TIME_OK && ret != CHK_TIME_IS_BEFORE) &&
+ del_expired) {
+ (void) fprintf(stderr, gettext(" Removing cert\n"));
+ /* LINTED */
+ curr = sk_X509_delete(ta_in, i);
+ X509_free(curr);
+ continue;
+ }
+ i++;
+ }
+}
+
+static time_errs_t
+time_check_print(X509 *cert)
+{
+ char buf[256];
+ int ret;
+
+ ret = time_check(cert);
+ if (ret == CHK_TIME_OK)
+ return (CHK_TIME_OK);
+
+ (void) fprintf(stderr, gettext(" Subject: %s"),
+ sunw_subject_attrs(cert, buf, sizeof (buf)));
+ (void) fprintf(stderr, gettext(" Issuer: %s"),
+ sunw_issuer_attrs(cert, buf, sizeof (buf)));
+
+ switch (ret) {
+ case CHK_TIME_BEFORE_BAD:
+ (void) fprintf(stderr,
+ gettext("\n Invalid cert 'not before' field\n"));
+ break;
+
+ case CHK_TIME_AFTER_BAD:
+ (void) fprintf(stderr,
+ gettext("\n Invalid cert 'not after' field\n"));
+ break;
+
+ case CHK_TIME_HAS_EXPIRED:
+ (void) sunw_print_times(stderr, PRNT_NOT_AFTER,
+ gettext("\n Cert has expired\n"), cert);
+ break;
+
+ case CHK_TIME_IS_BEFORE:
+ (void) sunw_print_times(stderr, PRNT_NOT_BEFORE,
+ gettext("\n Warning: cert not yet valid\n"), cert);
+ break;
+
+ default:
+ break;
+ }
+
+ return (ret);
+}
+
+static time_errs_t
+time_check(X509 *cert)
+{
+ int i;
+
+ i = X509_cmp_time(X509_get_notBefore(cert), NULL);
+ if (i == 0)
+ return (CHK_TIME_BEFORE_BAD);
+ if (i > 0)
+ return (CHK_TIME_IS_BEFORE);
+ /* After 'not before' time */
+
+ i = X509_cmp_time(X509_get_notAfter(cert), NULL);
+ if (i == 0)
+ return (CHK_TIME_AFTER_BAD);
+ if (i < 0)
+ return (CHK_TIME_HAS_EXPIRED);
+ return (CHK_TIME_OK);
+}
+
+static int
+write_files(STACK_OF(X509) *t_out, X509 *c_out, EVP_PKEY *k_out)
+{
+ if (key_out != NULL) {
+ if (verbose)
+ (void) printf(gettext("%s: writing key\n"), progname);
+ if (do_ofile(key_out, k_out, NULL, NULL) < 0)
+ return (-1);
+ }
+
+ if (cert_out != NULL) {
+ if (verbose)
+ (void) printf(gettext("%s: writing cert\n"), progname);
+ if (do_ofile(cert_out, NULL, c_out, NULL) < 0)
+ return (-1);
+ }
+
+ if (trust_out != NULL) {
+ if (verbose)
+ (void) printf(gettext("%s: writing trust\n"),
+ progname);
+ if (do_ofile(trust_out, NULL, NULL, t_out) < 0)
+ return (-1);
+ }
+
+ return (0);
+}
+
+static int
+get_ifile(char *name, char *pass, EVP_PKEY **tmp_k, X509 **tmp_c,
+ STACK_OF(X509) **tmp_t)
+{
+ PKCS12 *p12;
+ FILE *fp;
+ int ret;
+ struct stat sbuf;
+
+ if (stat(name, &sbuf) == 0 && !S_ISREG(sbuf.st_mode)) {
+ wbku_printerr("%s is not a regular file\n", name);
+ return (-1);
+ }
+
+ if ((fp = fopen(name, "r")) == NULL) {
+ wbku_printerr("cannot open input file %s", name);
+ return (-1);
+ }
+
+ p12 = d2i_PKCS12_fp(fp, NULL);
+ if (p12 == NULL) {
+ wbku_printerr("cannot read file %s: %s\n", name, cryptoerr());
+ (void) fclose(fp);
+ return (-1);
+ }
+ (void) fclose(fp);
+
+ ret = sunw_PKCS12_parse(p12, pass, matchty, k_matchval, k_len,
+ NULL, tmp_k, tmp_c, tmp_t);
+ if (ret <= 0) {
+ if (ret == 0)
+ wbku_printerr("cannot find matching cert and key\n");
+ else
+ wbku_printerr("cannot parse %s: %s\n", name,
+ cryptoerr());
+ PKCS12_free(p12);
+ return (-1);
+ }
+ return (0);
+}
+
+static int
+do_ofile(char *name, EVP_PKEY *pkey, X509 *cert, STACK_OF(X509) *ta)
+{
+ STACK_OF(EVP_PKEY) *klist = NULL;
+ STACK_OF(X509) *clist = NULL;
+ PKCS12 *p12 = NULL;
+ int ret = 0;
+ FILE *fp;
+ struct stat sbuf;
+
+ if (stat(name, &sbuf) == 0 && !S_ISREG(sbuf.st_mode)) {
+ wbku_printerr("%s is not a regular file\n", name);
+ return (-1);
+ }
+
+ if ((fp = fopen(name, "w")) == NULL) {
+ wbku_printerr("cannot open output file %s", name);
+ return (-1);
+ }
+
+ if ((clist = sk_X509_new_null()) == NULL ||
+ (klist = sk_EVP_PKEY_new_null()) == NULL) {
+ wbku_printerr("out of memory\n");
+ ret = -1;
+ goto cleanup;
+ }
+
+ if (cert != NULL && sk_X509_push(clist, cert) == 0) {
+ wbku_printerr("out of memory\n");
+ ret = -1;
+ goto cleanup;
+ }
+
+ if (pkey != NULL && sk_EVP_PKEY_push(klist, pkey) == 0) {
+ wbku_printerr("out of memory\n");
+ ret = -1;
+ goto cleanup;
+ }
+
+ p12 = sunw_PKCS12_create(WANBOOT_PASSPHRASE, klist, clist, ta);
+ if (p12 == NULL) {
+ wbku_printerr("cannot create %s: %s\n", name, cryptoerr());
+ ret = -1;
+ goto cleanup;
+ }
+
+ if (i2d_PKCS12_fp(fp, p12) == 0) {
+ wbku_printerr("cannot write %s: %s\n", name, cryptoerr());
+ ret = -1;
+ goto cleanup;
+ }
+
+cleanup:
+ (void) fclose(fp);
+ if (p12 != NULL)
+ PKCS12_free(p12);
+ /*
+ * Put the cert and pkey off of the stack so that they won't
+ * be freed two times. (If they get left in the stack then
+ * they will be freed with the stack.)
+ */
+ if (clist != NULL) {
+ if (cert != NULL && sk_X509_num(clist) == 1) {
+ /* LINTED */
+ (void) sk_X509_delete(clist, 0);
+ }
+ sk_X509_pop_free(clist, X509_free);
+ }
+ if (klist != NULL) {
+ if (pkey != NULL && sk_EVP_PKEY_num(klist) == 1) {
+ /* LINTED */
+ (void) sk_EVP_PKEY_delete(klist, 0);
+ }
+ sk_EVP_PKEY_pop_free(klist, sunw_evp_pkey_free);
+ }
+
+ return (ret);
+}
+
+static void
+usage(void)
+{
+ (void) fprintf(stderr,
+ gettext("usage:\n"
+ " %s -i <file> -c <file> -k <file> -t <file> [-l <keyid> -v]\n"
+ "\n"),
+ progname);
+ (void) fprintf(stderr,
+ gettext(" where:\n"
+ " -i - input file to be split into component parts and put in\n"
+ " files given by -c, -k and -t\n"
+ " -c - output file for the client certificate\n"
+ " -k - output file for the client private key\n"
+ " -t - output file for the remaining certificates (assumed\n"
+ " to be trust anchors)\n"
+ "\n Files are assumed to be pkcs12-format files.\n\n"
+ " -v - verbose\n"
+ " -l - value of 'localkeyid' attribute in client cert and\n"
+ " private key to be selected from the input file.\n\n"));
+ exit(EXIT_FAILURE);
+}
+
+/*
+ * Return a pointer to a static buffer that contains a listing of crypto
+ * errors. We presume that the user doesn't want more than 8KB of error
+ * messages :-)
+ */
+static const char *
+cryptoerr(void)
+{
+ static char errbuf[8192];
+ ulong_t err;
+ const char *pfile;
+ int line;
+ unsigned int nerr = 0;
+
+ errbuf[0] = '\0';
+ while ((err = ERR_get_error_line(&pfile, &line)) != 0) {
+ if (++nerr > 1)
+ (void) strlcat(errbuf, "\n\t", sizeof (errbuf));
+
+ if (err == (ulong_t)-1) {
+ (void) strlcat(errbuf, strerror(errno),
+ sizeof (errbuf));
+ break;
+ }
+ (void) strlcat(errbuf, ERR_reason_error_string(err),
+ sizeof (errbuf));
+ }
+
+ return (errbuf);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-27 18:26:31 +0000