| /* 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 <openssl/x509.h> |
| |
| #include <inttypes.h> |
| #include <string.h> |
| |
| #include <openssl/asn1.h> |
| #include <openssl/bio.h> |
| #include <openssl/obj.h> |
| |
| |
| static int maybe_write(BIO *out, const void *buf, int len) |
| { |
| /* If |out| is NULL, ignore the output but report the length. */ |
| return out == NULL || BIO_write(out, buf, len) == len; |
| } |
| |
| /* do_indent prints |indent| spaces to |out|. */ |
| static int do_indent(BIO *out, int indent) |
| { |
| for (int i = 0; i < indent; i++) { |
| if (!maybe_write(out, " ", 1)) { |
| return 0; |
| } |
| } |
| return 1; |
| } |
| |
| #define FN_WIDTH_LN 25 |
| #define FN_WIDTH_SN 10 |
| |
| static int do_name_ex(BIO *out, const X509_NAME *n, int indent, |
| unsigned long flags) |
| { |
| int i, prev = -1, orflags, cnt; |
| int fn_opt, fn_nid; |
| ASN1_OBJECT *fn; |
| ASN1_STRING *val; |
| X509_NAME_ENTRY *ent; |
| char objtmp[80]; |
| const char *objbuf; |
| int outlen, len; |
| const char *sep_dn, *sep_mv, *sep_eq; |
| int sep_dn_len, sep_mv_len, sep_eq_len; |
| if (indent < 0) |
| indent = 0; |
| outlen = indent; |
| if (!do_indent(out, indent)) |
| return -1; |
| switch (flags & XN_FLAG_SEP_MASK) { |
| case XN_FLAG_SEP_MULTILINE: |
| sep_dn = "\n"; |
| sep_dn_len = 1; |
| sep_mv = " + "; |
| sep_mv_len = 3; |
| break; |
| |
| case XN_FLAG_SEP_COMMA_PLUS: |
| sep_dn = ","; |
| sep_dn_len = 1; |
| sep_mv = "+"; |
| sep_mv_len = 1; |
| indent = 0; |
| break; |
| |
| case XN_FLAG_SEP_CPLUS_SPC: |
| sep_dn = ", "; |
| sep_dn_len = 2; |
| sep_mv = " + "; |
| sep_mv_len = 3; |
| indent = 0; |
| break; |
| |
| case XN_FLAG_SEP_SPLUS_SPC: |
| sep_dn = "; "; |
| sep_dn_len = 2; |
| sep_mv = " + "; |
| sep_mv_len = 3; |
| indent = 0; |
| break; |
| |
| default: |
| return -1; |
| } |
| |
| if (flags & XN_FLAG_SPC_EQ) { |
| sep_eq = " = "; |
| sep_eq_len = 3; |
| } else { |
| sep_eq = "="; |
| sep_eq_len = 1; |
| } |
| |
| fn_opt = flags & XN_FLAG_FN_MASK; |
| |
| cnt = X509_NAME_entry_count(n); |
| for (i = 0; i < cnt; i++) { |
| if (flags & XN_FLAG_DN_REV) |
| ent = X509_NAME_get_entry(n, cnt - i - 1); |
| else |
| ent = X509_NAME_get_entry(n, i); |
| if (prev != -1) { |
| if (prev == ent->set) { |
| if (!maybe_write(out, sep_mv, sep_mv_len)) |
| return -1; |
| outlen += sep_mv_len; |
| } else { |
| if (!maybe_write(out, sep_dn, sep_dn_len)) |
| return -1; |
| outlen += sep_dn_len; |
| if (!do_indent(out, indent)) |
| return -1; |
| outlen += indent; |
| } |
| } |
| prev = ent->set; |
| fn = X509_NAME_ENTRY_get_object(ent); |
| val = X509_NAME_ENTRY_get_data(ent); |
| fn_nid = OBJ_obj2nid(fn); |
| if (fn_opt != XN_FLAG_FN_NONE) { |
| int objlen, fld_len; |
| if ((fn_opt == XN_FLAG_FN_OID) || (fn_nid == NID_undef)) { |
| OBJ_obj2txt(objtmp, sizeof objtmp, fn, 1); |
| fld_len = 0; /* XXX: what should this be? */ |
| objbuf = objtmp; |
| } else { |
| if (fn_opt == XN_FLAG_FN_SN) { |
| fld_len = FN_WIDTH_SN; |
| objbuf = OBJ_nid2sn(fn_nid); |
| } else if (fn_opt == XN_FLAG_FN_LN) { |
| fld_len = FN_WIDTH_LN; |
| objbuf = OBJ_nid2ln(fn_nid); |
| } else { |
| fld_len = 0; /* XXX: what should this be? */ |
| objbuf = ""; |
| } |
| } |
| objlen = strlen(objbuf); |
| if (!maybe_write(out, objbuf, objlen)) |
| return -1; |
| if ((objlen < fld_len) && (flags & XN_FLAG_FN_ALIGN)) { |
| if (!do_indent(out, fld_len - objlen)) |
| return -1; |
| outlen += fld_len - objlen; |
| } |
| if (!maybe_write(out, sep_eq, sep_eq_len)) |
| return -1; |
| outlen += objlen + sep_eq_len; |
| } |
| /* |
| * If the field name is unknown then fix up the DER dump flag. We |
| * might want to limit this further so it will DER dump on anything |
| * other than a few 'standard' fields. |
| */ |
| if ((fn_nid == NID_undef) && (flags & XN_FLAG_DUMP_UNKNOWN_FIELDS)) |
| orflags = ASN1_STRFLGS_DUMP_ALL; |
| else |
| orflags = 0; |
| |
| len = ASN1_STRING_print_ex(out, val, flags | orflags); |
| if (len < 0) |
| return -1; |
| outlen += len; |
| } |
| return outlen; |
| } |
| |
| int X509_NAME_print_ex(BIO *out, const X509_NAME *nm, int indent, |
| unsigned long flags) |
| { |
| if (flags == XN_FLAG_COMPAT) |
| return X509_NAME_print(out, nm, indent); |
| return do_name_ex(out, nm, indent, flags); |
| } |
| |
| int X509_NAME_print_ex_fp(FILE *fp, const X509_NAME *nm, int indent, |
| unsigned long flags) |
| { |
| BIO *bio = NULL; |
| if (fp != NULL) { |
| /* If |fp| is NULL, this function returns the number of bytes without |
| * writing. */ |
| bio = BIO_new_fp(fp, BIO_NOCLOSE); |
| if (bio == NULL) { |
| return -1; |
| } |
| } |
| int ret = X509_NAME_print_ex(bio, nm, indent, flags); |
| BIO_free(bio); |
| return ret; |
| } |
