| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] */ |
| |
| #include <ctype.h> |
| #include <openssl/asn1.h> |
| #include <openssl/bio.h> |
| #include <openssl/digest.h> |
| #include <openssl/err.h> |
| #include <openssl/evp.h> |
| #include <openssl/mem.h> |
| #include <openssl/obj.h> |
| #include <openssl/x509.h> |
| #include <openssl/x509v3.h> |
| |
| #include "internal.h" |
| |
| |
| #ifndef OPENSSL_NO_FP_API |
| int X509_print_ex_fp(FILE *fp, X509 *x, unsigned long nmflag, |
| unsigned long cflag) |
| { |
| BIO *b = BIO_new_fp(fp, BIO_NOCLOSE); |
| if (b == NULL) { |
| OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB); |
| return 0; |
| } |
| int ret = X509_print_ex(b, x, nmflag, cflag); |
| BIO_free(b); |
| return ret; |
| } |
| |
| int X509_print_fp(FILE *fp, X509 *x) |
| { |
| return X509_print_ex_fp(fp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); |
| } |
| #endif |
| |
| int X509_print(BIO *bp, X509 *x) |
| { |
| return X509_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT); |
| } |
| |
| int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, |
| unsigned long cflag) |
| { |
| long l; |
| int ret = 0, i; |
| char *m = NULL, mlch = ' '; |
| int nmindent = 0; |
| X509_CINF *ci; |
| ASN1_INTEGER *bs; |
| EVP_PKEY *pkey = NULL; |
| const char *neg; |
| |
| if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) { |
| mlch = '\n'; |
| nmindent = 12; |
| } |
| |
| if (nmflags == X509_FLAG_COMPAT) |
| nmindent = 16; |
| |
| ci = x->cert_info; |
| if (!(cflag & X509_FLAG_NO_HEADER)) { |
| if (BIO_write(bp, "Certificate:\n", 13) <= 0) |
| goto err; |
| if (BIO_write(bp, " Data:\n", 10) <= 0) |
| goto err; |
| } |
| if (!(cflag & X509_FLAG_NO_VERSION)) { |
| l = X509_get_version(x); |
| if (BIO_printf(bp, "%8sVersion: %lu (0x%lx)\n", "", l + 1, l) <= 0) |
| goto err; |
| } |
| if (!(cflag & X509_FLAG_NO_SERIAL)) { |
| |
| if (BIO_write(bp, " Serial Number:", 22) <= 0) |
| goto err; |
| |
| bs = X509_get_serialNumber(x); |
| if (bs->length < (int)sizeof(long) |
| || (bs->length == sizeof(long) && (bs->data[0] & 0x80) == 0)) { |
| l = ASN1_INTEGER_get(bs); |
| if (bs->type == V_ASN1_NEG_INTEGER) { |
| l = -l; |
| neg = "-"; |
| } else |
| neg = ""; |
| if (BIO_printf(bp, " %s%lu (%s0x%lx)\n", neg, l, neg, l) <= 0) |
| goto err; |
| } else { |
| neg = (bs->type == V_ASN1_NEG_INTEGER) ? " (Negative)" : ""; |
| if (BIO_printf(bp, "\n%12s%s", "", neg) <= 0) |
| goto err; |
| |
| for (i = 0; i < bs->length; i++) { |
| if (BIO_printf(bp, "%02x%c", bs->data[i], |
| ((i + 1 == bs->length) ? '\n' : ':')) <= 0) |
| goto err; |
| } |
| } |
| |
| } |
| |
| if (!(cflag & X509_FLAG_NO_SIGNAME)) { |
| if (X509_signature_print(bp, ci->signature, NULL) <= 0) |
| goto err; |
| } |
| |
| if (!(cflag & X509_FLAG_NO_ISSUER)) { |
| if (BIO_printf(bp, " Issuer:%c", mlch) <= 0) |
| goto err; |
| if (X509_NAME_print_ex(bp, X509_get_issuer_name(x), nmindent, nmflags) |
| < 0) |
| goto err; |
| if (BIO_write(bp, "\n", 1) <= 0) |
| goto err; |
| } |
| if (!(cflag & X509_FLAG_NO_VALIDITY)) { |
| if (BIO_write(bp, " Validity\n", 17) <= 0) |
| goto err; |
| if (BIO_write(bp, " Not Before: ", 24) <= 0) |
| goto err; |
| if (!ASN1_TIME_print(bp, X509_get_notBefore(x))) |
| goto err; |
| if (BIO_write(bp, "\n Not After : ", 25) <= 0) |
| goto err; |
| if (!ASN1_TIME_print(bp, X509_get_notAfter(x))) |
| goto err; |
| if (BIO_write(bp, "\n", 1) <= 0) |
| goto err; |
| } |
| if (!(cflag & X509_FLAG_NO_SUBJECT)) { |
| if (BIO_printf(bp, " Subject:%c", mlch) <= 0) |
| goto err; |
| if (X509_NAME_print_ex |
| (bp, X509_get_subject_name(x), nmindent, nmflags) < 0) |
| goto err; |
| if (BIO_write(bp, "\n", 1) <= 0) |
| goto err; |
| } |
| if (!(cflag & X509_FLAG_NO_PUBKEY)) { |
| if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0) |
| goto err; |
| if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0) |
| goto err; |
| if (i2a_ASN1_OBJECT(bp, ci->key->algor->algorithm) <= 0) |
| goto err; |
| if (BIO_puts(bp, "\n") <= 0) |
| goto err; |
| |
| pkey = X509_get_pubkey(x); |
| if (pkey == NULL) { |
| BIO_printf(bp, "%12sUnable to load Public Key\n", ""); |
| ERR_print_errors(bp); |
| } else { |
| EVP_PKEY_print_public(bp, pkey, 16, NULL); |
| EVP_PKEY_free(pkey); |
| } |
| } |
| |
| if (!(cflag & X509_FLAG_NO_IDS)) { |
| if (ci->issuerUID) { |
| if (BIO_printf(bp, "%8sIssuer Unique ID: ", "") <= 0) |
| goto err; |
| if (!X509_signature_dump(bp, ci->issuerUID, 12)) |
| goto err; |
| } |
| if (ci->subjectUID) { |
| if (BIO_printf(bp, "%8sSubject Unique ID: ", "") <= 0) |
| goto err; |
| if (!X509_signature_dump(bp, ci->subjectUID, 12)) |
| goto err; |
| } |
| } |
| |
| if (!(cflag & X509_FLAG_NO_EXTENSIONS)) |
| X509V3_extensions_print(bp, "X509v3 extensions", |
| ci->extensions, cflag, 8); |
| |
| if (!(cflag & X509_FLAG_NO_SIGDUMP)) { |
| if (X509_signature_print(bp, x->sig_alg, x->signature) <= 0) |
| goto err; |
| } |
| if (!(cflag & X509_FLAG_NO_AUX)) { |
| if (!X509_CERT_AUX_print(bp, x->aux, 0)) |
| goto err; |
| } |
| ret = 1; |
| err: |
| if (m != NULL) |
| OPENSSL_free(m); |
| return (ret); |
| } |
| |
| int X509_ocspid_print(BIO *bp, X509 *x) |
| { |
| unsigned char *der = NULL; |
| unsigned char *dertmp; |
| int derlen; |
| int i; |
| unsigned char SHA1md[SHA_DIGEST_LENGTH]; |
| |
| /* |
| * display the hash of the subject as it would appear in OCSP requests |
| */ |
| if (BIO_printf(bp, " Subject OCSP hash: ") <= 0) |
| goto err; |
| derlen = i2d_X509_NAME(x->cert_info->subject, NULL); |
| if ((der = dertmp = (unsigned char *)OPENSSL_malloc(derlen)) == NULL) |
| goto err; |
| i2d_X509_NAME(x->cert_info->subject, &dertmp); |
| |
| if (!EVP_Digest(der, derlen, SHA1md, NULL, EVP_sha1(), NULL)) |
| goto err; |
| for (i = 0; i < SHA_DIGEST_LENGTH; i++) { |
| if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0) |
| goto err; |
| } |
| OPENSSL_free(der); |
| der = NULL; |
| |
| /* |
| * display the hash of the public key as it would appear in OCSP requests |
| */ |
| if (BIO_printf(bp, "\n Public key OCSP hash: ") <= 0) |
| goto err; |
| |
| if (!EVP_Digest(x->cert_info->key->public_key->data, |
| x->cert_info->key->public_key->length, |
| SHA1md, NULL, EVP_sha1(), NULL)) |
| goto err; |
| for (i = 0; i < SHA_DIGEST_LENGTH; i++) { |
| if (BIO_printf(bp, "%02X", SHA1md[i]) <= 0) |
| goto err; |
| } |
| BIO_printf(bp, "\n"); |
| |
| return (1); |
| err: |
| if (der != NULL) |
| OPENSSL_free(der); |
| return (0); |
| } |
| |
| int X509_signature_print(BIO *bp, const X509_ALGOR *sigalg, |
| const ASN1_STRING *sig) |
| { |
| if (BIO_puts(bp, " Signature Algorithm: ") <= 0) |
| return 0; |
| if (i2a_ASN1_OBJECT(bp, sigalg->algorithm) <= 0) |
| return 0; |
| |
| /* RSA-PSS signatures have parameters to print. */ |
| int sig_nid = OBJ_obj2nid(sigalg->algorithm); |
| if (sig_nid == NID_rsassaPss && |
| !x509_print_rsa_pss_params(bp, sigalg, 9, 0)) { |
| return 0; |
| } |
| |
| if (sig) |
| return X509_signature_dump(bp, sig, 9); |
| else if (BIO_puts(bp, "\n") <= 0) |
| return 0; |
| return 1; |
| } |
| |
| int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v) |
| { |
| int i, n; |
| char buf[80]; |
| const char *p; |
| |
| if (v == NULL) |
| return (0); |
| n = 0; |
| p = (const char *)v->data; |
| for (i = 0; i < v->length; i++) { |
| if ((p[i] > '~') || ((p[i] < ' ') && |
| (p[i] != '\n') && (p[i] != '\r'))) |
| buf[n] = '.'; |
| else |
| buf[n] = p[i]; |
| n++; |
| if (n >= 80) { |
| if (BIO_write(bp, buf, n) <= 0) |
| return (0); |
| n = 0; |
| } |
| } |
| if (n > 0) |
| if (BIO_write(bp, buf, n) <= 0) |
| return (0); |
| return (1); |
| } |
| |
| int ASN1_TIME_print(BIO *bp, const ASN1_TIME *tm) |
| { |
| if (tm->type == V_ASN1_UTCTIME) |
| return ASN1_UTCTIME_print(bp, tm); |
| if (tm->type == V_ASN1_GENERALIZEDTIME) |
| return ASN1_GENERALIZEDTIME_print(bp, tm); |
| BIO_write(bp, "Bad time value", 14); |
| return (0); |
| } |
| |
| static const char *const mon[12] = { |
| "Jan", "Feb", "Mar", "Apr", "May", "Jun", |
| "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" |
| }; |
| |
| int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm) |
| { |
| char *v; |
| int gmt = 0; |
| int i; |
| int y = 0, M = 0, d = 0, h = 0, m = 0, s = 0; |
| char *f = NULL; |
| int f_len = 0; |
| |
| i = tm->length; |
| v = (char *)tm->data; |
| |
| if (i < 12) |
| goto err; |
| if (v[i - 1] == 'Z') |
| gmt = 1; |
| for (i = 0; i < 12; i++) |
| if ((v[i] > '9') || (v[i] < '0')) |
| goto err; |
| y = (v[0] - '0') * 1000 + (v[1] - '0') * 100 + (v[2] - '0') * 10 + (v[3] - |
| '0'); |
| M = (v[4] - '0') * 10 + (v[5] - '0'); |
| if ((M > 12) || (M < 1)) |
| goto err; |
| d = (v[6] - '0') * 10 + (v[7] - '0'); |
| h = (v[8] - '0') * 10 + (v[9] - '0'); |
| m = (v[10] - '0') * 10 + (v[11] - '0'); |
| if (tm->length >= 14 && |
| (v[12] >= '0') && (v[12] <= '9') && |
| (v[13] >= '0') && (v[13] <= '9')) { |
| s = (v[12] - '0') * 10 + (v[13] - '0'); |
| /* Check for fractions of seconds. */ |
| if (tm->length >= 15 && v[14] == '.') { |
| int l = tm->length; |
| f = &v[14]; /* The decimal point. */ |
| f_len = 1; |
| while (14 + f_len < l && f[f_len] >= '0' && f[f_len] <= '9') |
| ++f_len; |
| } |
| } |
| |
| if (BIO_printf(bp, "%s %2d %02d:%02d:%02d%.*s %d%s", |
| mon[M - 1], d, h, m, s, f_len, f, y, |
| (gmt) ? " GMT" : "") <= 0) |
| return (0); |
| else |
| return (1); |
| err: |
| BIO_write(bp, "Bad time value", 14); |
| return (0); |
| } |
| |
| // consume_two_digits is a helper function for ASN1_UTCTIME_print. If |*v|, |
| // assumed to be |*len| bytes long, has two leading digits, updates |*out| with |
| // their value, updates |v| and |len|, and returns one. Otherwise, returns |
| // zero. |
| static int consume_two_digits(int* out, const char **v, int *len) { |
| if (*len < 2|| !isdigit((*v)[0]) || !isdigit((*v)[1])) { |
| return 0; |
| } |
| *out = ((*v)[0] - '0') * 10 + ((*v)[1] - '0'); |
| *len -= 2; |
| *v += 2; |
| return 1; |
| } |
| |
| // consume_zulu_timezone is a helper function for ASN1_UTCTIME_print. If |*v|, |
| // assumed to be |*len| bytes long, starts with "Z" then it updates |*v| and |
| // |*len| and returns one. Otherwise returns zero. |
| static int consume_zulu_timezone(const char **v, int *len) { |
| if (*len == 0 || (*v)[0] != 'Z') { |
| return 0; |
| } |
| |
| *len -= 1; |
| *v += 1; |
| return 1; |
| } |
| |
| int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm) { |
| const char *v = (const char *)tm->data; |
| int len = tm->length; |
| int Y = 0, M = 0, D = 0, h = 0, m = 0, s = 0; |
| |
| // YYMMDDhhmm are required to be present. |
| if (!consume_two_digits(&Y, &v, &len) || |
| !consume_two_digits(&M, &v, &len) || |
| !consume_two_digits(&D, &v, &len) || |
| !consume_two_digits(&h, &v, &len) || |
| !consume_two_digits(&m, &v, &len)) { |
| goto err; |
| } |
| // https://tools.ietf.org/html/rfc5280, section 4.1.2.5.1, requires seconds |
| // to be present, but historically this code has forgiven its absence. |
| consume_two_digits(&s, &v, &len); |
| |
| // https://tools.ietf.org/html/rfc5280, section 4.1.2.5.1, specifies this |
| // interpretation of the year. |
| if (Y < 50) { |
| Y += 2000; |
| } else { |
| Y += 1900; |
| } |
| if (M > 12 || M == 0) { |
| goto err; |
| } |
| if (D > 31 || D == 0) { |
| goto err; |
| } |
| if (h > 23 || m > 59 || s > 60) { |
| goto err; |
| } |
| |
| // https://tools.ietf.org/html/rfc5280, section 4.1.2.5.1, requires the "Z" |
| // to be present, but historically this code has forgiven its absence. |
| const int is_gmt = consume_zulu_timezone(&v, &len); |
| |
| // https://tools.ietf.org/html/rfc5280, section 4.1.2.5.1, does not permit |
| // the specification of timezones using the +hhmm / -hhmm syntax, which is |
| // the only other thing that might legitimately be found at the end. |
| if (len) { |
| goto err; |
| } |
| |
| return BIO_printf(bp, "%s %2d %02d:%02d:%02d %d%s", mon[M - 1], D, h, m, s, Y, |
| is_gmt ? " GMT" : "") > 0; |
| |
| err: |
| BIO_write(bp, "Bad time value", 14); |
| return 0; |
| } |
| |
| int X509_NAME_print(BIO *bp, X509_NAME *name, int obase) |
| { |
| char *s, *c, *b; |
| int ret = 0, l, i; |
| |
| l = 80 - 2 - obase; |
| |
| b = X509_NAME_oneline(name, NULL, 0); |
| if (!b) |
| return 0; |
| if (!*b) { |
| OPENSSL_free(b); |
| return 1; |
| } |
| s = b + 1; /* skip the first slash */ |
| |
| c = s; |
| for (;;) { |
| if (((*s == '/') && |
| ((s[1] >= 'A') && (s[1] <= 'Z') && ((s[2] == '=') || |
| ((s[2] >= 'A') |
| && (s[2] <= 'Z') |
| && (s[3] == '=')) |
| ))) || (*s == '\0')) { |
| i = s - c; |
| if (BIO_write(bp, c, i) != i) |
| goto err; |
| c = s + 1; /* skip following slash */ |
| if (*s != '\0') { |
| if (BIO_write(bp, ", ", 2) != 2) |
| goto err; |
| } |
| l--; |
| } |
| if (*s == '\0') |
| break; |
| s++; |
| l--; |
| } |
| |
| ret = 1; |
| if (0) { |
| err: |
| OPENSSL_PUT_ERROR(X509, ERR_R_BUF_LIB); |
| } |
| OPENSSL_free(b); |
| return (ret); |
| } |
