diff options
Diffstat (limited to 'openssl/crypto/asn1/a_strex.c')
| -rw-r--r-- | openssl/crypto/asn1/a_strex.c | 919 |
1 files changed, 496 insertions, 423 deletions
diff --git a/openssl/crypto/asn1/a_strex.c b/openssl/crypto/asn1/a_strex.c index 8fb4193bc..35fd44cd2 100644 --- a/openssl/crypto/asn1/a_strex.c +++ b/openssl/crypto/asn1/a_strex.c @@ -1,6 +1,7 @@ /* a_strex.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2000. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 2000. */ /* ==================================================================== * Copyright (c) 2000 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -65,512 +66,584 @@ #include "charmap.h" -/* ASN1_STRING_print_ex() and X509_NAME_print_ex(). - * Enhanced string and name printing routines handling - * multibyte characters, RFC2253 and a host of other - * options. +/* + * ASN1_STRING_print_ex() and X509_NAME_print_ex(). Enhanced string and name + * printing routines handling multibyte characters, RFC2253 and a host of + * other options. */ - -#define CHARTYPE_BS_ESC (ASN1_STRFLGS_ESC_2253 | CHARTYPE_FIRST_ESC_2253 | CHARTYPE_LAST_ESC_2253) +#define CHARTYPE_BS_ESC (ASN1_STRFLGS_ESC_2253 | CHARTYPE_FIRST_ESC_2253 | CHARTYPE_LAST_ESC_2253) #define ESC_FLAGS (ASN1_STRFLGS_ESC_2253 | \ - ASN1_STRFLGS_ESC_QUOTE | \ - ASN1_STRFLGS_ESC_CTRL | \ - ASN1_STRFLGS_ESC_MSB) - + ASN1_STRFLGS_ESC_QUOTE | \ + ASN1_STRFLGS_ESC_CTRL | \ + ASN1_STRFLGS_ESC_MSB) -/* Three IO functions for sending data to memory, a BIO and - * and a FILE pointer. +/* + * Three IO functions for sending data to memory, a BIO and and a FILE + * pointer. */ -#if 0 /* never used */ +#if 0 /* never used */ static int send_mem_chars(void *arg, const void *buf, int len) { - unsigned char **out = arg; - if(!out) return 1; - memcpy(*out, buf, len); - *out += len; - return 1; + unsigned char **out = arg; + if (!out) + return 1; + memcpy(*out, buf, len); + *out += len; + return 1; } #endif static int send_bio_chars(void *arg, const void *buf, int len) { - if(!arg) return 1; - if(BIO_write(arg, buf, len) != len) return 0; - return 1; + if (!arg) + return 1; + if (BIO_write(arg, buf, len) != len) + return 0; + return 1; } static int send_fp_chars(void *arg, const void *buf, int len) { - if(!arg) return 1; - if(fwrite(buf, 1, len, arg) != (unsigned int)len) return 0; - return 1; + if (!arg) + return 1; + if (fwrite(buf, 1, len, arg) != (unsigned int)len) + return 0; + return 1; } -typedef int char_io(void *arg, const void *buf, int len); +typedef int char_io (void *arg, const void *buf, int len); -/* This function handles display of - * strings, one character at a time. - * It is passed an unsigned long for each - * character because it could come from 2 or even - * 4 byte forms. +/* + * This function handles display of strings, one character at a time. It is + * passed an unsigned long for each character because it could come from 2 or + * even 4 byte forms. */ -static int do_esc_char(unsigned long c, unsigned char flags, char *do_quotes, char_io *io_ch, void *arg) +static int do_esc_char(unsigned long c, unsigned char flags, char *do_quotes, + char_io *io_ch, void *arg) { - unsigned char chflgs, chtmp; - char tmphex[HEX_SIZE(long)+3]; - - if(c > 0xffffffffL) - return -1; - if(c > 0xffff) { - BIO_snprintf(tmphex, sizeof tmphex, "\\W%08lX", c); - if(!io_ch(arg, tmphex, 10)) return -1; - return 10; - } - if(c > 0xff) { - BIO_snprintf(tmphex, sizeof tmphex, "\\U%04lX", c); - if(!io_ch(arg, tmphex, 6)) return -1; - return 6; - } - chtmp = (unsigned char)c; - if(chtmp > 0x7f) chflgs = flags & ASN1_STRFLGS_ESC_MSB; - else chflgs = char_type[chtmp] & flags; - if(chflgs & CHARTYPE_BS_ESC) { - /* If we don't escape with quotes, signal we need quotes */ - if(chflgs & ASN1_STRFLGS_ESC_QUOTE) { - if(do_quotes) *do_quotes = 1; - if(!io_ch(arg, &chtmp, 1)) return -1; - return 1; - } - if(!io_ch(arg, "\\", 1)) return -1; - if(!io_ch(arg, &chtmp, 1)) return -1; - return 2; - } - if(chflgs & (ASN1_STRFLGS_ESC_CTRL|ASN1_STRFLGS_ESC_MSB)) { - BIO_snprintf(tmphex, 11, "\\%02X", chtmp); - if(!io_ch(arg, tmphex, 3)) return -1; - return 3; - } - /* If we get this far and do any escaping at all must escape - * the escape character itself: backslash. - */ - if (chtmp == '\\' && flags & ESC_FLAGS) { - if(!io_ch(arg, "\\\\", 2)) return -1; - return 2; - } - if(!io_ch(arg, &chtmp, 1)) return -1; - return 1; + unsigned char chflgs, chtmp; + char tmphex[HEX_SIZE(long) + 3]; + + if (c > 0xffffffffL) + return -1; + if (c > 0xffff) { + BIO_snprintf(tmphex, sizeof tmphex, "\\W%08lX", c); + if (!io_ch(arg, tmphex, 10)) + return -1; + return 10; + } + if (c > 0xff) { + BIO_snprintf(tmphex, sizeof tmphex, "\\U%04lX", c); + if (!io_ch(arg, tmphex, 6)) + return -1; + return 6; + } + chtmp = (unsigned char)c; + if (chtmp > 0x7f) + chflgs = flags & ASN1_STRFLGS_ESC_MSB; + else + chflgs = char_type[chtmp] & flags; + if (chflgs & CHARTYPE_BS_ESC) { + /* If we don't escape with quotes, signal we need quotes */ + if (chflgs & ASN1_STRFLGS_ESC_QUOTE) { + if (do_quotes) + *do_quotes = 1; + if (!io_ch(arg, &chtmp, 1)) + return -1; + return 1; + } + if (!io_ch(arg, "\\", 1)) + return -1; + if (!io_ch(arg, &chtmp, 1)) + return -1; + return 2; + } + if (chflgs & (ASN1_STRFLGS_ESC_CTRL | ASN1_STRFLGS_ESC_MSB)) { + BIO_snprintf(tmphex, 11, "\\%02X", chtmp); + if (!io_ch(arg, tmphex, 3)) + return -1; + return 3; + } + /* + * If we get this far and do any escaping at all must escape the escape + * character itself: backslash. + */ + if (chtmp == '\\' && flags & ESC_FLAGS) { + if (!io_ch(arg, "\\\\", 2)) + return -1; + return 2; + } + if (!io_ch(arg, &chtmp, 1)) + return -1; + return 1; } -#define BUF_TYPE_WIDTH_MASK 0x7 -#define BUF_TYPE_CONVUTF8 0x8 +#define BUF_TYPE_WIDTH_MASK 0x7 +#define BUF_TYPE_CONVUTF8 0x8 -/* This function sends each character in a buffer to - * do_esc_char(). It interprets the content formats - * and converts to or from UTF8 as appropriate. +/* + * This function sends each character in a buffer to do_esc_char(). It + * interprets the content formats and converts to or from UTF8 as + * appropriate. */ static int do_buf(unsigned char *buf, int buflen, - int type, unsigned char flags, char *quotes, char_io *io_ch, void *arg) + int type, unsigned char flags, char *quotes, char_io *io_ch, + void *arg) { - int i, outlen, len; - unsigned char orflags, *p, *q; - unsigned long c; - p = buf; - q = buf + buflen; - outlen = 0; - while(p != q) { - if(p == buf && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_FIRST_ESC_2253; - else orflags = 0; - switch(type & BUF_TYPE_WIDTH_MASK) { - case 4: - c = ((unsigned long)*p++) << 24; - c |= ((unsigned long)*p++) << 16; - c |= ((unsigned long)*p++) << 8; - c |= *p++; - break; - - case 2: - c = ((unsigned long)*p++) << 8; - c |= *p++; - break; - - case 1: - c = *p++; - break; - - case 0: - i = UTF8_getc(p, buflen, &c); - if(i < 0) return -1; /* Invalid UTF8String */ - p += i; - break; - default: - return -1; /* invalid width */ - } - if (p == q && flags & ASN1_STRFLGS_ESC_2253) orflags = CHARTYPE_LAST_ESC_2253; - if(type & BUF_TYPE_CONVUTF8) { - unsigned char utfbuf[6]; - int utflen; - utflen = UTF8_putc(utfbuf, sizeof utfbuf, c); - for(i = 0; i < utflen; i++) { - /* We don't need to worry about setting orflags correctly - * because if utflen==1 its value will be correct anyway - * otherwise each character will be > 0x7f and so the - * character will never be escaped on first and last. - */ - len = do_esc_char(utfbuf[i], (unsigned char)(flags | orflags), quotes, io_ch, arg); - if(len < 0) return -1; - outlen += len; - } - } else { - len = do_esc_char(c, (unsigned char)(flags | orflags), quotes, io_ch, arg); - if(len < 0) return -1; - outlen += len; - } - } - return outlen; + int i, outlen, len; + unsigned char orflags, *p, *q; + unsigned long c; + p = buf; + q = buf + buflen; + outlen = 0; + while (p != q) { + if (p == buf && flags & ASN1_STRFLGS_ESC_2253) + orflags = CHARTYPE_FIRST_ESC_2253; + else + orflags = 0; + switch (type & BUF_TYPE_WIDTH_MASK) { + case 4: + c = ((unsigned long)*p++) << 24; + c |= ((unsigned long)*p++) << 16; + c |= ((unsigned long)*p++) << 8; + c |= *p++; + break; + + case 2: + c = ((unsigned long)*p++) << 8; + c |= *p++; + break; + + case 1: + c = *p++; + break; + + case 0: + i = UTF8_getc(p, buflen, &c); + if (i < 0) + return -1; /* Invalid UTF8String */ + p += i; + break; + default: + return -1; /* invalid width */ + } + if (p == q && flags & ASN1_STRFLGS_ESC_2253) + orflags = CHARTYPE_LAST_ESC_2253; + if (type & BUF_TYPE_CONVUTF8) { + unsigned char utfbuf[6]; + int utflen; + utflen = UTF8_putc(utfbuf, sizeof utfbuf, c); + for (i = 0; i < utflen; i++) { + /* + * We don't need to worry about setting orflags correctly + * because if utflen==1 its value will be correct anyway + * otherwise each character will be > 0x7f and so the + * character will never be escaped on first and last. + */ + len = + do_esc_char(utfbuf[i], (unsigned char)(flags | orflags), + quotes, io_ch, arg); + if (len < 0) + return -1; + outlen += len; + } + } else { + len = + do_esc_char(c, (unsigned char)(flags | orflags), quotes, + io_ch, arg); + if (len < 0) + return -1; + outlen += len; + } + } + return outlen; } /* This function hex dumps a buffer of characters */ -static int do_hex_dump(char_io *io_ch, void *arg, unsigned char *buf, int buflen) +static int do_hex_dump(char_io *io_ch, void *arg, unsigned char *buf, + int buflen) { - static const char hexdig[] = "0123456789ABCDEF"; - unsigned char *p, *q; - char hextmp[2]; - if(arg) { - p = buf; - q = buf + buflen; - while(p != q) { - hextmp[0] = hexdig[*p >> 4]; - hextmp[1] = hexdig[*p & 0xf]; - if(!io_ch(arg, hextmp, 2)) return -1; - p++; - } - } - return buflen << 1; + static const char hexdig[] = "0123456789ABCDEF"; + unsigned char *p, *q; + char hextmp[2]; + if (arg) { + p = buf; + q = buf + buflen; + while (p != q) { + hextmp[0] = hexdig[*p >> 4]; + hextmp[1] = hexdig[*p & 0xf]; + if (!io_ch(arg, hextmp, 2)) + return -1; + p++; + } + } + return buflen << 1; } -/* "dump" a string. This is done when the type is unknown, - * or the flags request it. We can either dump the content - * octets or the entire DER encoding. This uses the RFC2253 - * #01234 format. +/* + * "dump" a string. This is done when the type is unknown, or the flags + * request it. We can either dump the content octets or the entire DER + * encoding. This uses the RFC2253 #01234 format. */ -static int do_dump(unsigned long lflags, char_io *io_ch, void *arg, ASN1_STRING *str) +static int do_dump(unsigned long lflags, char_io *io_ch, void *arg, + ASN1_STRING *str) { - /* Placing the ASN1_STRING in a temp ASN1_TYPE allows - * the DER encoding to readily obtained - */ - ASN1_TYPE t; - unsigned char *der_buf, *p; - int outlen, der_len; - - if(!io_ch(arg, "#", 1)) return -1; - /* If we don't dump DER encoding just dump content octets */ - if(!(lflags & ASN1_STRFLGS_DUMP_DER)) { - outlen = do_hex_dump(io_ch, arg, str->data, str->length); - if(outlen < 0) return -1; - return outlen + 1; - } - t.type = str->type; - t.value.ptr = (char *)str; - der_len = i2d_ASN1_TYPE(&t, NULL); - der_buf = OPENSSL_malloc(der_len); - if(!der_buf) return -1; - p = der_buf; - i2d_ASN1_TYPE(&t, &p); - outlen = do_hex_dump(io_ch, arg, der_buf, der_len); - OPENSSL_free(der_buf); - if(outlen < 0) return -1; - return outlen + 1; + /* + * Placing the ASN1_STRING in a temp ASN1_TYPE allows the DER encoding to + * readily obtained + */ + ASN1_TYPE t; + unsigned char *der_buf, *p; + int outlen, der_len; + + if (!io_ch(arg, "#", 1)) + return -1; + /* If we don't dump DER encoding just dump content octets */ + if (!(lflags & ASN1_STRFLGS_DUMP_DER)) { + outlen = do_hex_dump(io_ch, arg, str->data, str->length); + if (outlen < 0) + return -1; + return outlen + 1; + } + t.type = str->type; + t.value.ptr = (char *)str; + der_len = i2d_ASN1_TYPE(&t, NULL); + der_buf = OPENSSL_malloc(der_len); + if (!der_buf) + return -1; + p = der_buf; + i2d_ASN1_TYPE(&t, &p); + outlen = do_hex_dump(io_ch, arg, der_buf, der_len); + OPENSSL_free(der_buf); + if (outlen < 0) + return -1; + return outlen + 1; } -/* Lookup table to convert tags to character widths, - * 0 = UTF8 encoded, -1 is used for non string types - * otherwise it is the number of bytes per character +/* + * Lookup table to convert tags to character widths, 0 = UTF8 encoded, -1 is + * used for non string types otherwise it is the number of bytes per + * character */ static const signed char tag2nbyte[] = { - -1, -1, -1, -1, -1, /* 0-4 */ - -1, -1, -1, -1, -1, /* 5-9 */ - -1, -1, 0, -1, /* 10-13 */ - -1, -1, -1, -1, /* 15-17 */ - -1, 1, 1, /* 18-20 */ - -1, 1, 1, 1, /* 21-24 */ - -1, 1, -1, /* 25-27 */ - 4, -1, 2 /* 28-30 */ + -1, -1, -1, -1, -1, /* 0-4 */ + -1, -1, -1, -1, -1, /* 5-9 */ + -1, -1, 0, -1, /* 10-13 */ + -1, -1, -1, -1, /* 15-17 */ + -1, 1, 1, /* 18-20 */ + -1, 1, 1, 1, /* 21-24 */ + -1, 1, -1, /* 25-27 */ + 4, -1, 2 /* 28-30 */ }; -/* This is the main function, print out an - * ASN1_STRING taking note of various escape - * and display options. Returns number of - * characters written or -1 if an error - * occurred. +/* + * This is the main function, print out an ASN1_STRING taking note of various + * escape and display options. Returns number of characters written or -1 if + * an error occurred. */ -static int do_print_ex(char_io *io_ch, void *arg, unsigned long lflags, ASN1_STRING *str) +static int do_print_ex(char_io *io_ch, void *arg, unsigned long lflags, + ASN1_STRING *str) { - int outlen, len; - int type; - char quotes; - unsigned char flags; - quotes = 0; - /* Keep a copy of escape flags */ - flags = (unsigned char)(lflags & ESC_FLAGS); - - type = str->type; - - outlen = 0; - - - if(lflags & ASN1_STRFLGS_SHOW_TYPE) { - const char *tagname; - tagname = ASN1_tag2str(type); - outlen += strlen(tagname); - if(!io_ch(arg, tagname, outlen) || !io_ch(arg, ":", 1)) return -1; - outlen++; - } - - /* Decide what to do with type, either dump content or display it */ - - /* Dump everything */ - if(lflags & ASN1_STRFLGS_DUMP_ALL) type = -1; - /* Ignore the string type */ - else if(lflags & ASN1_STRFLGS_IGNORE_TYPE) type = 1; - else { - /* Else determine width based on type */ - if((type > 0) && (type < 31)) type = tag2nbyte[type]; - else type = -1; - if((type == -1) && !(lflags & ASN1_STRFLGS_DUMP_UNKNOWN)) type = 1; - } - - if(type == -1) { - len = do_dump(lflags, io_ch, arg, str); - if(len < 0) return -1; - outlen += len; - return outlen; - } - - if(lflags & ASN1_STRFLGS_UTF8_CONVERT) { - /* Note: if string is UTF8 and we want - * to convert to UTF8 then we just interpret - * it as 1 byte per character to avoid converting - * twice. - */ - if(!type) type = 1; - else type |= BUF_TYPE_CONVUTF8; - } - - len = do_buf(str->data, str->length, type, flags, "es, io_ch, NULL); - if(len < 0) return -1; - outlen += len; - if(quotes) outlen += 2; - if(!arg) return outlen; - if(quotes && !io_ch(arg, "\"", 1)) return -1; - if(do_buf(str->data, str->length, type, flags, NULL, io_ch, arg) < 0) - return -1; - if(quotes && !io_ch(arg, "\"", 1)) return -1; - return outlen; + int outlen, len; + int type; + char quotes; + unsigned char flags; + quotes = 0; + /* Keep a copy of escape flags */ + flags = (unsigned char)(lflags & ESC_FLAGS); + + type = str->type; + + outlen = 0; + + if (lflags & ASN1_STRFLGS_SHOW_TYPE) { + const char *tagname; + tagname = ASN1_tag2str(type); + outlen += strlen(tagname); + if (!io_ch(arg, tagname, outlen) || !io_ch(arg, ":", 1)) + return -1; + outlen++; + } + + /* Decide what to do with type, either dump content or display it */ + + /* Dump everything */ + if (lflags & ASN1_STRFLGS_DUMP_ALL) + type = -1; + /* Ignore the string type */ + else if (lflags & ASN1_STRFLGS_IGNORE_TYPE) + type = 1; + else { + /* Else determine width based on type */ + if ((type > 0) && (type < 31)) + type = tag2nbyte[type]; + else + type = -1; + if ((type == -1) && !(lflags & ASN1_STRFLGS_DUMP_UNKNOWN)) + type = 1; + } + + if (type == -1) { + len = do_dump(lflags, io_ch, arg, str); + if (len < 0) + return -1; + outlen += len; + return outlen; + } + + if (lflags & ASN1_STRFLGS_UTF8_CONVERT) { + /* + * Note: if string is UTF8 and we want to convert to UTF8 then we + * just interpret it as 1 byte per character to avoid converting + * twice. + */ + if (!type) + type = 1; + else + type |= BUF_TYPE_CONVUTF8; + } + + len = do_buf(str->data, str->length, type, flags, "es, io_ch, NULL); + if (len < 0) + return -1; + outlen += len; + if (quotes) + outlen += 2; + if (!arg) + return outlen; + if (quotes && !io_ch(arg, "\"", 1)) + return -1; + if (do_buf(str->data, str->length, type, flags, NULL, io_ch, arg) < 0) + return -1; + if (quotes && !io_ch(arg, "\"", 1)) + return -1; + return outlen; } /* Used for line indenting: print 'indent' spaces */ static int do_indent(char_io *io_ch, void *arg, int indent) { - int i; - for(i = 0; i < indent; i++) - if(!io_ch(arg, " ", 1)) return 0; - return 1; + int i; + for (i = 0; i < indent; i++) + if (!io_ch(arg, " ", 1)) + return 0; + return 1; } -#define FN_WIDTH_LN 25 -#define FN_WIDTH_SN 10 +#define FN_WIDTH_LN 25 +#define FN_WIDTH_SN 10 static int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n, - int indent, unsigned long flags) + 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; - 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(io_ch, arg, 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(!io_ch(arg, sep_mv, sep_mv_len)) return -1; - outlen += sep_mv_len; - } else { - if(!io_ch(arg, sep_dn, sep_dn_len)) return -1; - outlen += sep_dn_len; - if(!do_indent(io_ch, arg, 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(!io_ch(arg, objbuf, objlen)) return -1; - if ((objlen < fld_len) && (flags & XN_FLAG_FN_ALIGN)) { - if (!do_indent(io_ch, arg, fld_len - objlen)) return -1; - outlen += fld_len - objlen; - } - if(!io_ch(arg, 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 = do_print_ex(io_ch, arg, flags | orflags, val); - if(len < 0) return -1; - outlen += len; - } - return outlen; + 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; + 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(io_ch, arg, 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 (!io_ch(arg, sep_mv, sep_mv_len)) + return -1; + outlen += sep_mv_len; + } else { + if (!io_ch(arg, sep_dn, sep_dn_len)) + return -1; + outlen += sep_dn_len; + if (!do_indent(io_ch, arg, 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 (!io_ch(arg, objbuf, objlen)) + return -1; + if ((objlen < fld_len) && (flags & XN_FLAG_FN_ALIGN)) { + if (!do_indent(io_ch, arg, fld_len - objlen)) + return -1; + outlen += fld_len - objlen; + } + if (!io_ch(arg, 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 = do_print_ex(io_ch, arg, flags | orflags, val); + if (len < 0) + return -1; + outlen += len; + } + return outlen; } /* Wrappers round the main functions */ -int X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, unsigned long flags) +int X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent, + unsigned long flags) { - if(flags == XN_FLAG_COMPAT) - return X509_NAME_print(out, nm, indent); - return do_name_ex(send_bio_chars, out, nm, indent, flags); + if (flags == XN_FLAG_COMPAT) + return X509_NAME_print(out, nm, indent); + return do_name_ex(send_bio_chars, out, nm, indent, flags); } #ifndef OPENSSL_NO_FP_API -int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, unsigned long flags) +int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent, + unsigned long flags) { - if(flags == XN_FLAG_COMPAT) - { - BIO *btmp; - int ret; - btmp = BIO_new_fp(fp, BIO_NOCLOSE); - if(!btmp) return -1; - ret = X509_NAME_print(btmp, nm, indent); - BIO_free(btmp); - return ret; - } - return do_name_ex(send_fp_chars, fp, nm, indent, flags); + if (flags == XN_FLAG_COMPAT) { + BIO *btmp; + int ret; + btmp = BIO_new_fp(fp, BIO_NOCLOSE); + if (!btmp) + return -1; + ret = X509_NAME_print(btmp, nm, indent); + BIO_free(btmp); + return ret; + } + return do_name_ex(send_fp_chars, fp, nm, indent, flags); } #endif int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags) { - return do_print_ex(send_bio_chars, out, flags, str); + return do_print_ex(send_bio_chars, out, flags, str); } #ifndef OPENSSL_NO_FP_API int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags) { - return do_print_ex(send_fp_chars, fp, flags, str); + return do_print_ex(send_fp_chars, fp, flags, str); } #endif -/* Utility function: convert any string type to UTF8, returns number of bytes +/* + * Utility function: convert any string type to UTF8, returns number of bytes * in output string or a negative error code */ int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in) { - ASN1_STRING stmp, *str = &stmp; - int mbflag, type, ret; - if(!in) return -1; - type = in->type; - if((type < 0) || (type > 30)) return -1; - mbflag = tag2nbyte[type]; - if(mbflag == -1) return -1; - mbflag |= MBSTRING_FLAG; - stmp.data = NULL; - stmp.length = 0; - stmp.flags = 0; - ret = ASN1_mbstring_copy(&str, in->data, in->length, mbflag, B_ASN1_UTF8STRING); - if(ret < 0) return ret; - *out = stmp.data; - return stmp.length; + ASN1_STRING stmp, *str = &stmp; + int mbflag, type, ret; + if (!in) + return -1; + type = in->type; + if ((type < 0) || (type > 30)) + return -1; + mbflag = tag2nbyte[type]; + if (mbflag == -1) + return -1; + mbflag |= MBSTRING_FLAG; + stmp.data = NULL; + stmp.length = 0; + stmp.flags = 0; + ret = + ASN1_mbstring_copy(&str, in->data, in->length, mbflag, + B_ASN1_UTF8STRING); + if (ret < 0) + return ret; + *out = stmp.data; + return stmp.length; } |