diff options
Diffstat (limited to 'crypto/openssl/crypto/x509v3/v3_utl.c')
-rw-r--r-- | crypto/openssl/crypto/x509v3/v3_utl.c | 535 |
1 files changed, 0 insertions, 535 deletions
diff --git a/crypto/openssl/crypto/x509v3/v3_utl.c b/crypto/openssl/crypto/x509v3/v3_utl.c deleted file mode 100644 index 34ac2998defe..000000000000 --- a/crypto/openssl/crypto/x509v3/v3_utl.c +++ /dev/null @@ -1,535 +0,0 @@ -/* v3_utl.c */ -/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL - * project 1999. - */ -/* ==================================================================== - * Copyright (c) 1999 The OpenSSL Project. All rights reserved. - * - * 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 above 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 acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED 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 OpenSSL PROJECT OR - * ITS 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ -/* X509 v3 extension utilities */ - - -#include <stdio.h> -#include <ctype.h> -#include "cryptlib.h" -#include <openssl/conf.h> -#include <openssl/x509v3.h> - -static char *strip_spaces(char *name); -static int sk_strcmp(const char * const *a, const char * const *b); -static STACK *get_email(X509_NAME *name, GENERAL_NAMES *gens); -static void str_free(void *str); -static int append_ia5(STACK **sk, ASN1_IA5STRING *email); - -/* Add a CONF_VALUE name value pair to stack */ - -int X509V3_add_value(const char *name, const char *value, - STACK_OF(CONF_VALUE) **extlist) -{ - CONF_VALUE *vtmp = NULL; - char *tname = NULL, *tvalue = NULL; - if(name && !(tname = BUF_strdup(name))) goto err; - if(value && !(tvalue = BUF_strdup(value))) goto err;; - if(!(vtmp = (CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE)))) goto err; - if(!*extlist && !(*extlist = sk_CONF_VALUE_new_null())) goto err; - vtmp->section = NULL; - vtmp->name = tname; - vtmp->value = tvalue; - if(!sk_CONF_VALUE_push(*extlist, vtmp)) goto err; - return 1; - err: - X509V3err(X509V3_F_X509V3_ADD_VALUE,ERR_R_MALLOC_FAILURE); - if(vtmp) OPENSSL_free(vtmp); - if(tname) OPENSSL_free(tname); - if(tvalue) OPENSSL_free(tvalue); - return 0; -} - -int X509V3_add_value_uchar(const char *name, const unsigned char *value, - STACK_OF(CONF_VALUE) **extlist) - { - return X509V3_add_value(name,(const char *)value,extlist); - } - -/* Free function for STACK_OF(CONF_VALUE) */ - -void X509V3_conf_free(CONF_VALUE *conf) -{ - if(!conf) return; - if(conf->name) OPENSSL_free(conf->name); - if(conf->value) OPENSSL_free(conf->value); - if(conf->section) OPENSSL_free(conf->section); - OPENSSL_free(conf); -} - -int X509V3_add_value_bool(const char *name, int asn1_bool, - STACK_OF(CONF_VALUE) **extlist) -{ - if(asn1_bool) return X509V3_add_value(name, "TRUE", extlist); - return X509V3_add_value(name, "FALSE", extlist); -} - -int X509V3_add_value_bool_nf(char *name, int asn1_bool, - STACK_OF(CONF_VALUE) **extlist) -{ - if(asn1_bool) return X509V3_add_value(name, "TRUE", extlist); - return 1; -} - - -char *i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD *method, ASN1_ENUMERATED *a) -{ - BIGNUM *bntmp = NULL; - char *strtmp = NULL; - if(!a) return NULL; - if(!(bntmp = ASN1_ENUMERATED_to_BN(a, NULL)) || - !(strtmp = BN_bn2dec(bntmp)) ) - X509V3err(X509V3_F_I2S_ASN1_ENUMERATED,ERR_R_MALLOC_FAILURE); - BN_free(bntmp); - return strtmp; -} - -char *i2s_ASN1_INTEGER(X509V3_EXT_METHOD *method, ASN1_INTEGER *a) -{ - BIGNUM *bntmp = NULL; - char *strtmp = NULL; - if(!a) return NULL; - if(!(bntmp = ASN1_INTEGER_to_BN(a, NULL)) || - !(strtmp = BN_bn2dec(bntmp)) ) - X509V3err(X509V3_F_I2S_ASN1_INTEGER,ERR_R_MALLOC_FAILURE); - BN_free(bntmp); - return strtmp; -} - -ASN1_INTEGER *s2i_ASN1_INTEGER(X509V3_EXT_METHOD *method, char *value) -{ - BIGNUM *bn = NULL; - ASN1_INTEGER *aint; - int isneg, ishex; - int ret; - bn = BN_new(); - if (!value) { - X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_INVALID_NULL_VALUE); - return 0; - } - if (value[0] == '-') { - value++; - isneg = 1; - } else isneg = 0; - - if (value[0] == '0' && ((value[1] == 'x') || (value[1] == 'X'))) { - value += 2; - ishex = 1; - } else ishex = 0; - - if (ishex) ret = BN_hex2bn(&bn, value); - else ret = BN_dec2bn(&bn, value); - - if (!ret) { - X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_BN_DEC2BN_ERROR); - return 0; - } - - if (isneg && BN_is_zero(bn)) isneg = 0; - - aint = BN_to_ASN1_INTEGER(bn, NULL); - BN_free(bn); - if (!aint) { - X509V3err(X509V3_F_S2I_ASN1_INTEGER,X509V3_R_BN_TO_ASN1_INTEGER_ERROR); - return 0; - } - if (isneg) aint->type |= V_ASN1_NEG; - return aint; -} - -int X509V3_add_value_int(const char *name, ASN1_INTEGER *aint, - STACK_OF(CONF_VALUE) **extlist) -{ - char *strtmp; - int ret; - if(!aint) return 1; - if(!(strtmp = i2s_ASN1_INTEGER(NULL, aint))) return 0; - ret = X509V3_add_value(name, strtmp, extlist); - OPENSSL_free(strtmp); - return ret; -} - -int X509V3_get_value_bool(CONF_VALUE *value, int *asn1_bool) -{ - char *btmp; - if(!(btmp = value->value)) goto err; - if(!strcmp(btmp, "TRUE") || !strcmp(btmp, "true") - || !strcmp(btmp, "Y") || !strcmp(btmp, "y") - || !strcmp(btmp, "YES") || !strcmp(btmp, "yes")) { - *asn1_bool = 0xff; - return 1; - } else if(!strcmp(btmp, "FALSE") || !strcmp(btmp, "false") - || !strcmp(btmp, "N") || !strcmp(btmp, "n") - || !strcmp(btmp, "NO") || !strcmp(btmp, "no")) { - *asn1_bool = 0; - return 1; - } - err: - X509V3err(X509V3_F_X509V3_GET_VALUE_BOOL,X509V3_R_INVALID_BOOLEAN_STRING); - X509V3_conf_err(value); - return 0; -} - -int X509V3_get_value_int(CONF_VALUE *value, ASN1_INTEGER **aint) -{ - ASN1_INTEGER *itmp; - if(!(itmp = s2i_ASN1_INTEGER(NULL, value->value))) { - X509V3_conf_err(value); - return 0; - } - *aint = itmp; - return 1; -} - -#define HDR_NAME 1 -#define HDR_VALUE 2 - -/*#define DEBUG*/ - -STACK_OF(CONF_VALUE) *X509V3_parse_list(const char *line) -{ - char *p, *q, c; - char *ntmp, *vtmp; - STACK_OF(CONF_VALUE) *values = NULL; - char *linebuf; - int state; - /* We are going to modify the line so copy it first */ - linebuf = BUF_strdup(line); - state = HDR_NAME; - ntmp = NULL; - /* Go through all characters */ - for(p = linebuf, q = linebuf; (c = *p) && (c!='\r') && (c!='\n'); p++) { - - switch(state) { - case HDR_NAME: - if(c == ':') { - state = HDR_VALUE; - *p = 0; - ntmp = strip_spaces(q); - if(!ntmp) { - X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME); - goto err; - } - q = p + 1; - } else if(c == ',') { - *p = 0; - ntmp = strip_spaces(q); - q = p + 1; -#if 0 - printf("%s\n", ntmp); -#endif - if(!ntmp) { - X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME); - goto err; - } - X509V3_add_value(ntmp, NULL, &values); - } - break ; - - case HDR_VALUE: - if(c == ',') { - state = HDR_NAME; - *p = 0; - vtmp = strip_spaces(q); -#if 0 - printf("%s\n", ntmp); -#endif - if(!vtmp) { - X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_VALUE); - goto err; - } - X509V3_add_value(ntmp, vtmp, &values); - ntmp = NULL; - q = p + 1; - } - - } - } - - if(state == HDR_VALUE) { - vtmp = strip_spaces(q); -#if 0 - printf("%s=%s\n", ntmp, vtmp); -#endif - if(!vtmp) { - X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_VALUE); - goto err; - } - X509V3_add_value(ntmp, vtmp, &values); - } else { - ntmp = strip_spaces(q); -#if 0 - printf("%s\n", ntmp); -#endif - if(!ntmp) { - X509V3err(X509V3_F_X509V3_PARSE_LIST, X509V3_R_INVALID_NULL_NAME); - goto err; - } - X509V3_add_value(ntmp, NULL, &values); - } -OPENSSL_free(linebuf); -return values; - -err: -OPENSSL_free(linebuf); -sk_CONF_VALUE_pop_free(values, X509V3_conf_free); -return NULL; - -} - -/* Delete leading and trailing spaces from a string */ -static char *strip_spaces(char *name) -{ - char *p, *q; - /* Skip over leading spaces */ - p = name; - while(*p && isspace((unsigned char)*p)) p++; - if(!*p) return NULL; - q = p + strlen(p) - 1; - while((q != p) && isspace((unsigned char)*q)) q--; - if(p != q) q[1] = 0; - if(!*p) return NULL; - return p; -} - -/* hex string utilities */ - -/* Given a buffer of length 'len' return a OPENSSL_malloc'ed string with its - * hex representation - * @@@ (Contents of buffer are always kept in ASCII, also on EBCDIC machines) - */ - -char *hex_to_string(unsigned char *buffer, long len) -{ - char *tmp, *q; - unsigned char *p; - int i; - static char hexdig[] = "0123456789ABCDEF"; - if(!buffer || !len) return NULL; - if(!(tmp = OPENSSL_malloc(len * 3 + 1))) { - X509V3err(X509V3_F_HEX_TO_STRING,ERR_R_MALLOC_FAILURE); - return NULL; - } - q = tmp; - for(i = 0, p = buffer; i < len; i++,p++) { - *q++ = hexdig[(*p >> 4) & 0xf]; - *q++ = hexdig[*p & 0xf]; - *q++ = ':'; - } - q[-1] = 0; -#ifdef CHARSET_EBCDIC - ebcdic2ascii(tmp, tmp, q - tmp - 1); -#endif - - return tmp; -} - -/* Give a string of hex digits convert to - * a buffer - */ - -unsigned char *string_to_hex(char *str, long *len) -{ - unsigned char *hexbuf, *q; - unsigned char ch, cl, *p; - if(!str) { - X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_INVALID_NULL_ARGUMENT); - return NULL; - } - if(!(hexbuf = OPENSSL_malloc(strlen(str) >> 1))) goto err; - for(p = (unsigned char *)str, q = hexbuf; *p;) { - ch = *p++; -#ifdef CHARSET_EBCDIC - ch = os_toebcdic[ch]; -#endif - if(ch == ':') continue; - cl = *p++; -#ifdef CHARSET_EBCDIC - cl = os_toebcdic[cl]; -#endif - if(!cl) { - X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_ODD_NUMBER_OF_DIGITS); - OPENSSL_free(hexbuf); - return NULL; - } - if(isupper(ch)) ch = tolower(ch); - if(isupper(cl)) cl = tolower(cl); - - if((ch >= '0') && (ch <= '9')) ch -= '0'; - else if ((ch >= 'a') && (ch <= 'f')) ch -= 'a' - 10; - else goto badhex; - - if((cl >= '0') && (cl <= '9')) cl -= '0'; - else if ((cl >= 'a') && (cl <= 'f')) cl -= 'a' - 10; - else goto badhex; - - *q++ = (ch << 4) | cl; - } - - if(len) *len = q - hexbuf; - - return hexbuf; - - err: - if(hexbuf) OPENSSL_free(hexbuf); - X509V3err(X509V3_F_STRING_TO_HEX,ERR_R_MALLOC_FAILURE); - return NULL; - - badhex: - OPENSSL_free(hexbuf); - X509V3err(X509V3_F_STRING_TO_HEX,X509V3_R_ILLEGAL_HEX_DIGIT); - return NULL; - -} - -/* V2I name comparison function: returns zero if 'name' matches - * cmp or cmp.* - */ - -int name_cmp(const char *name, const char *cmp) -{ - int len, ret; - char c; - len = strlen(cmp); - if((ret = strncmp(name, cmp, len))) return ret; - c = name[len]; - if(!c || (c=='.')) return 0; - return 1; -} - -static int sk_strcmp(const char * const *a, const char * const *b) -{ - return strcmp(*a, *b); -} - -STACK *X509_get1_email(X509 *x) -{ - GENERAL_NAMES *gens; - STACK *ret; - gens = X509_get_ext_d2i(x, NID_subject_alt_name, NULL, NULL); - ret = get_email(X509_get_subject_name(x), gens); - sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free); - return ret; -} - -STACK *X509_REQ_get1_email(X509_REQ *x) -{ - GENERAL_NAMES *gens; - STACK_OF(X509_EXTENSION) *exts; - STACK *ret; - exts = X509_REQ_get_extensions(x); - gens = X509V3_get_d2i(exts, NID_subject_alt_name, NULL, NULL); - ret = get_email(X509_REQ_get_subject_name(x), gens); - sk_GENERAL_NAME_pop_free(gens, GENERAL_NAME_free); - sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free); - return ret; -} - - -static STACK *get_email(X509_NAME *name, GENERAL_NAMES *gens) -{ - STACK *ret = NULL; - X509_NAME_ENTRY *ne; - ASN1_IA5STRING *email; - GENERAL_NAME *gen; - int i; - /* Now add any email address(es) to STACK */ - i = -1; - /* First supplied X509_NAME */ - while((i = X509_NAME_get_index_by_NID(name, - NID_pkcs9_emailAddress, i)) >= 0) { - ne = X509_NAME_get_entry(name, i); - email = X509_NAME_ENTRY_get_data(ne); - if(!append_ia5(&ret, email)) return NULL; - } - for(i = 0; i < sk_GENERAL_NAME_num(gens); i++) - { - gen = sk_GENERAL_NAME_value(gens, i); - if(gen->type != GEN_EMAIL) continue; - if(!append_ia5(&ret, gen->d.ia5)) return NULL; - } - return ret; -} - -static void str_free(void *str) -{ - OPENSSL_free(str); -} - -static int append_ia5(STACK **sk, ASN1_IA5STRING *email) -{ - char *emtmp; - /* First some sanity checks */ - if(email->type != V_ASN1_IA5STRING) return 1; - if(!email->data || !email->length) return 1; - if(!*sk) *sk = sk_new(sk_strcmp); - if(!*sk) return 0; - /* Don't add duplicates */ - if(sk_find(*sk, (char *)email->data) != -1) return 1; - emtmp = BUF_strdup((char *)email->data); - if(!emtmp || !sk_push(*sk, emtmp)) { - X509_email_free(*sk); - *sk = NULL; - return 0; - } - return 1; -} - -void X509_email_free(STACK *sk) -{ - sk_pop_free(sk, str_free); -} |