wp-x86_64.pl: ~10% performance improvement.
[oweals/openssl.git] / crypto / x509v3 / v3_utl.c
index 4b85378e945fdcc6e4adeb9fd07325736fb45e6d..e0302345400af1dec202ac6674e4ba9a98271f9f 100644 (file)
@@ -1,5 +1,5 @@
 /* v3_utl.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project.
  */
 /* ====================================================================
 #include "cryptlib.h"
 #include <openssl/conf.h>
 #include <openssl/x509v3.h>
+#include <openssl/bn.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);
+static STACK_OF(OPENSSL_STRING) *get_email(X509_NAME *name, GENERAL_NAMES *gens);
+static void str_free(OPENSSL_STRING str);
+static int append_ia5(STACK_OF(OPENSSL_STRING) **sk, ASN1_IA5STRING *email);
 
 static int ipv4_from_asc(unsigned char *v4, const char *in);
 static int ipv6_from_asc(unsigned char *v6, const char *in);
@@ -83,7 +84,7 @@ int X509V3_add_value(const char *name, const char *value,
        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(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;
@@ -359,12 +360,12 @@ static char *strip_spaces(char *name)
  * @@@ (Contents of buffer are always kept in ASCII, also on EBCDIC machines)
  */
 
-char *hex_to_string(unsigned char *buffer, long len)
+char *hex_to_string(const unsigned char *buffer, long len)
 {
        char *tmp, *q;
-       unsigned char *p;
+       const unsigned char *p;
        int i;
-       static char hexdig[] = "0123456789ABCDEF";
+       const 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);
@@ -388,7 +389,7 @@ char *hex_to_string(unsigned char *buffer, long len)
  * a buffer
  */
 
-unsigned char *string_to_hex(char *str, long *len)
+unsigned char *string_to_hex(const char *str, long *len)
 {
        unsigned char *hexbuf, *q;
        unsigned char ch, cl, *p;
@@ -462,21 +463,48 @@ static int sk_strcmp(const char * const *a, const char * const *b)
        return strcmp(*a, *b);
 }
 
-STACK *X509_get1_email(X509 *x)
+STACK_OF(OPENSSL_STRING) *X509_get1_email(X509 *x)
 {
        GENERAL_NAMES *gens;
-       STACK *ret;
+       STACK_OF(OPENSSL_STRING) *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)
+STACK_OF(OPENSSL_STRING) *X509_get1_ocsp(X509 *x)
+{
+       AUTHORITY_INFO_ACCESS *info;
+       STACK_OF(OPENSSL_STRING) *ret = NULL;
+       int i;
+
+       info = X509_get_ext_d2i(x, NID_info_access, NULL, NULL);
+       if (!info)
+               return NULL;
+       for (i = 0; i < sk_ACCESS_DESCRIPTION_num(info); i++)
+               {
+               ACCESS_DESCRIPTION *ad = sk_ACCESS_DESCRIPTION_value(info, i);
+               if (OBJ_obj2nid(ad->method) == NID_ad_OCSP)
+                       {
+                       if (ad->location->type == GEN_URI)
+                               {
+                               if (!append_ia5(&ret, ad->location->d.uniformResourceIdentifier))
+                                       break;
+                               }
+                       }
+               }
+       AUTHORITY_INFO_ACCESS_free(info);
+       return ret;
+}
+
+STACK_OF(OPENSSL_STRING) *X509_REQ_get1_email(X509_REQ *x)
 {
        GENERAL_NAMES *gens;
        STACK_OF(X509_EXTENSION) *exts;
-       STACK *ret;
+       STACK_OF(OPENSSL_STRING) *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);
@@ -486,9 +514,9 @@ STACK *X509_REQ_get1_email(X509_REQ *x)
 }
 
 
-static STACK *get_email(X509_NAME *name, GENERAL_NAMES *gens)
+static STACK_OF(OPENSSL_STRING) *get_email(X509_NAME *name, GENERAL_NAMES *gens)
 {
-       STACK *ret = NULL;
+       STACK_OF(OPENSSL_STRING) *ret = NULL;
        X509_NAME_ENTRY *ne;
        ASN1_IA5STRING *email;
        GENERAL_NAME *gen;
@@ -511,23 +539,23 @@ static STACK *get_email(X509_NAME *name, GENERAL_NAMES *gens)
        return ret;
 }
 
-static void str_free(void *str)
+static void str_free(OPENSSL_STRING str)
 {
        OPENSSL_free(str);
 }
 
-static int append_ia5(STACK **sk, ASN1_IA5STRING *email)
+static int append_ia5(STACK_OF(OPENSSL_STRING) **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) *sk = sk_OPENSSL_STRING_new(sk_strcmp);
        if(!*sk) return 0;
        /* Don't add duplicates */
-       if(sk_find(*sk, (char *)email->data) != -1) return 1;
+       if(sk_OPENSSL_STRING_find(*sk, (char *)email->data) != -1) return 1;
        emtmp = BUF_strdup((char *)email->data);
-       if(!emtmp || !sk_push(*sk, emtmp)) {
+       if(!emtmp || !sk_OPENSSL_STRING_push(*sk, emtmp)) {
                X509_email_free(*sk);
                *sk = NULL;
                return 0;
@@ -535,9 +563,9 @@ static int append_ia5(STACK **sk, ASN1_IA5STRING *email)
        return 1;
 }
 
-void X509_email_free(STACK *sk)
+void X509_email_free(STACK_OF(OPENSSL_STRING) *sk)
 {
-       sk_pop_free(sk, str_free);
+       sk_OPENSSL_STRING_pop_free(sk, str_free);
 }
 
 /* Convert IP addresses both IPv4 and IPv6 into an 
@@ -552,18 +580,10 @@ ASN1_OCTET_STRING *a2i_IPADDRESS(const char *ipasc)
 
        /* If string contains a ':' assume IPv6 */
 
-       if (strchr(ipasc, ':'))
-               {
-               if (!ipv6_from_asc(ipout, ipasc))
-                       return NULL;
-               iplen = 16;
-               }
-       else
-               {
-               if (!ipv4_from_asc(ipout, ipasc))
-                       return NULL;
-               iplen = 4;
-               }
+       iplen = a2i_ipadd(ipout, ipasc);
+
+       if (!iplen)
+               return NULL;
 
        ret = ASN1_OCTET_STRING_new();
        if (!ret)
@@ -576,6 +596,69 @@ ASN1_OCTET_STRING *a2i_IPADDRESS(const char *ipasc)
        return ret;
        }
 
+ASN1_OCTET_STRING *a2i_IPADDRESS_NC(const char *ipasc)
+       {
+       ASN1_OCTET_STRING *ret = NULL;
+       unsigned char ipout[32];
+       char *iptmp = NULL, *p;
+       int iplen1, iplen2;
+       p = strchr(ipasc,'/');
+       if (!p)
+               return NULL;
+       iptmp = BUF_strdup(ipasc);
+       if (!iptmp)
+               return NULL;
+       p = iptmp + (p - ipasc);
+       *p++ = 0;
+
+       iplen1 = a2i_ipadd(ipout, iptmp);
+
+       if (!iplen1)
+               goto err;
+
+       iplen2 = a2i_ipadd(ipout + iplen1, p);
+
+       OPENSSL_free(iptmp);
+       iptmp = NULL;
+
+       if (!iplen2 || (iplen1 != iplen2))
+               goto err;
+
+       ret = ASN1_OCTET_STRING_new();
+       if (!ret)
+               goto err;
+       if (!ASN1_OCTET_STRING_set(ret, ipout, iplen1 + iplen2))
+               goto err;
+
+       return ret;
+
+       err:
+       if (iptmp)
+               OPENSSL_free(iptmp);
+       if (ret)
+               ASN1_OCTET_STRING_free(ret);
+       return NULL;
+       }
+       
+
+int a2i_ipadd(unsigned char *ipout, const char *ipasc)
+       {
+       /* If string contains a ':' assume IPv6 */
+
+       if (strchr(ipasc, ':'))
+               {
+               if (!ipv6_from_asc(ipout, ipasc))
+                       return 0;
+               return 16;
+               }
+       else
+               {
+               if (!ipv4_from_asc(ipout, ipasc))
+                       return 0;
+               return 4;
+               }
+       }
+
 static int ipv4_from_asc(unsigned char *v4, const char *in)
        {
        int a0, a1, a2, a3;
@@ -656,17 +739,20 @@ static int ipv6_from_asc(unsigned char *v6, const char *in)
 
        /* Format result */
 
-       /* Copy initial part */
-       if (v6stat.zero_pos > 0)
+       if (v6stat.zero_pos >= 0)
+               {
+               /* Copy initial part */
                memcpy(v6, v6stat.tmp, v6stat.zero_pos);
-       /* Zero middle */
-       if (v6stat.total != 16)
+               /* Zero middle */
                memset(v6 + v6stat.zero_pos, 0, 16 - v6stat.total);
-       /* Copy final part */
-       if (v6stat.total != v6stat.zero_pos)
-               memcpy(v6 + v6stat.zero_pos + 16 - v6stat.total,
-                       v6stat.tmp + v6stat.zero_pos,
-                       v6stat.total - v6stat.zero_pos);
+               /* Copy final part */
+               if (v6stat.total != v6stat.zero_pos)
+                       memcpy(v6 + v6stat.zero_pos + 16 - v6stat.total,
+                               v6stat.tmp + v6stat.zero_pos,
+                               v6stat.total - v6stat.zero_pos);
+               }
+       else
+               memcpy(v6, v6stat.tmp, 16);
 
        return 1;
        }
@@ -740,3 +826,49 @@ static int ipv6_hex(unsigned char *out, const char *in, int inlen)
        return 1;
        }
 
+
+int X509V3_NAME_from_section(X509_NAME *nm, STACK_OF(CONF_VALUE)*dn_sk,
+                                               unsigned long chtype)
+       {
+       CONF_VALUE *v;
+       int i, mval;
+       char *p, *type;
+       if (!nm)
+               return 0;
+
+       for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++)
+               {
+               v=sk_CONF_VALUE_value(dn_sk,i);
+               type=v->name;
+               /* Skip past any leading X. X: X, etc to allow for
+                * multiple instances 
+                */
+               for(p = type; *p ; p++) 
+#ifndef CHARSET_EBCDIC
+                       if ((*p == ':') || (*p == ',') || (*p == '.'))
+#else
+                       if ((*p == os_toascii[':']) || (*p == os_toascii[',']) || (*p == os_toascii['.']))
+#endif
+                               {
+                               p++;
+                               if(*p) type = p;
+                               break;
+                               }
+#ifndef CHARSET_EBCDIC
+               if (*type == '+')
+#else
+               if (*type == os_toascii['+'])
+#endif
+                       {
+                       mval = -1;
+                       type++;
+                       }
+               else
+                       mval = 0;
+               if (!X509_NAME_add_entry_by_txt(nm,type, chtype,
+                               (unsigned char *) v->value,-1,-1,mval))
+                                       return 0;
+
+               }
+       return 1;
+       }