#include <stdio.h>
#include <ctype.h>
+#include <limits.h>
#include "cryptlib.h"
#include <openssl/lhash.h>
#include <openssl/asn1.h>
#include <openssl/objects.h>
+#include <openssl/bn.h>
/* obj_dat.h is generated from objects.h by obj_dat.pl */
#ifndef OPENSSL_NO_OBJECT
#define NUM_SN 0
#define NUM_LN 0
#define NUM_OBJ 0
-static unsigned char lvalues[1];
-static ASN1_OBJECT nid_objs[1];
-static ASN1_OBJECT *sn_objs[1];
-static ASN1_OBJECT *ln_objs[1];
-static ASN1_OBJECT *obj_objs[1];
+static const unsigned char lvalues[1];
+static const ASN1_OBJECT nid_objs[1];
+static const unsigned int sn_objs[1];
+static const unsigned int ln_objs[1];
+static const unsigned int obj_objs[1];
#endif
static int sn_cmp(const void *a, const void *b);
int type;
ASN1_OBJECT *obj;
} ADDED_OBJ;
+DECLARE_LHASH_OF(ADDED_OBJ);
static int new_nid=NUM_NID;
-static LHASH *added=NULL;
+static LHASH_OF(ADDED_OBJ) *added=NULL;
static int sn_cmp(const void *a, const void *b)
{
- const ASN1_OBJECT * const *ap = a, * const *bp = b;
- return(strcmp((*ap)->sn,(*bp)->sn));
+ const ASN1_OBJECT * const *ap = a;
+ const unsigned int *bp = b;
+ return(strcmp((*ap)->sn,nid_objs[*bp].sn));
}
static int ln_cmp(const void *a, const void *b)
{
- const ASN1_OBJECT * const *ap = a, * const *bp = b;
- return(strcmp((*ap)->ln,(*bp)->ln));
+ const ASN1_OBJECT * const *ap = a;
+ const unsigned int *bp = b;
+ return(strcmp((*ap)->ln,nid_objs[*bp].ln));
}
-/* static unsigned long add_hash(ADDED_OBJ *ca) */
-static unsigned long add_hash(const void *ca_void)
+static unsigned long added_obj_hash(const ADDED_OBJ *ca)
{
const ASN1_OBJECT *a;
int i;
unsigned long ret=0;
unsigned char *p;
- ADDED_OBJ *ca = (ADDED_OBJ *)ca_void;
a=ca->obj;
switch (ca->type)
ret|=ca->type<<30L;
return(ret);
}
+static IMPLEMENT_LHASH_HASH_FN(added_obj, ADDED_OBJ)
-/* static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */
-static int add_cmp(const void *ca_void, const void *cb_void)
+static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
{
ASN1_OBJECT *a,*b;
int i;
- ADDED_OBJ *ca = (ADDED_OBJ *)ca_void;
- ADDED_OBJ *cb = (ADDED_OBJ *)cb_void;
i=ca->type-cb->type;
if (i) return(i);
case ADDED_DATA:
i=(a->length - b->length);
if (i) return(i);
- return(memcmp(a->data,b->data,a->length));
+ return(memcmp(a->data,b->data,(size_t)a->length));
case ADDED_SNAME:
if (a->sn == NULL) return(-1);
else if (b->sn == NULL) return(1);
/* abort(); */
return 0;
}
- return(1); /* should not get here */
}
+static IMPLEMENT_LHASH_COMP_FN(added_obj, ADDED_OBJ)
static int init_added(void)
{
if (added != NULL) return(1);
- added=lh_new(add_hash,add_cmp);
+ added=lh_ADDED_OBJ_new();
return(added != NULL);
}
-static void cleanup1(ADDED_OBJ *a)
+static void cleanup1_doall(ADDED_OBJ *a)
{
a->obj->nid=0;
a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
ASN1_OBJECT_FLAG_DYNAMIC_DATA;
}
-static void cleanup2(ADDED_OBJ *a)
+static void cleanup2_doall(ADDED_OBJ *a)
{ a->obj->nid++; }
-static void cleanup3(ADDED_OBJ *a)
+static void cleanup3_doall(ADDED_OBJ *a)
{
if (--a->obj->nid == 0)
ASN1_OBJECT_free(a->obj);
OPENSSL_free(a);
}
-static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ *)
-static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ *)
-static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ *)
+static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ)
+static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ)
+static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ)
+
+/* The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting
+ * to use freed up OIDs. If neccessary the actual freeing up of OIDs is
+ * delayed.
+ */
+
+int obj_cleanup_defer = 0;
+
+void check_defer(int nid)
+ {
+ if (!obj_cleanup_defer && nid >= NUM_NID)
+ obj_cleanup_defer = 1;
+ }
void OBJ_cleanup(void)
{
+ if (obj_cleanup_defer)
+ {
+ obj_cleanup_defer = 2;
+ return ;
+ }
if (added == NULL) return;
- added->down_load=0;
- lh_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
- lh_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
- lh_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
- lh_free(added);
+ lh_ADDED_OBJ_down_load(added) = 0;
+ lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
+ lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
+ lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
+ lh_ADDED_OBJ_free(added);
added=NULL;
}
if (added == NULL)
if (!init_added()) return(0);
if ((o=OBJ_dup(obj)) == NULL) goto err;
- ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ));
+ if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
if ((o->length != 0) && (obj->data != NULL))
- ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ));
+ if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
if (o->sn != NULL)
- ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ));
+ if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
if (o->ln != NULL)
- ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ));
+ if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
for (i=ADDED_DATA; i<=ADDED_NID; i++)
{
{
ao[i]->type=i;
ao[i]->obj=o;
- aop=(ADDED_OBJ *)lh_insert(added,ao[i]);
+ aop=lh_ADDED_OBJ_insert(added,ao[i]);
/* memory leak, buit should not normally matter */
if (aop != NULL)
OPENSSL_free(aop);
ASN1_OBJECT_FLAG_DYNAMIC_DATA);
return(o->nid);
+err2:
+ OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
err:
for (i=ADDED_DATA; i<=ADDED_NID; i++)
if (ao[i] != NULL) OPENSSL_free(ao[i]);
ad.type=ADDED_NID;
ad.obj= &ob;
ob.nid=n;
- adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
+ adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL)
return(adp->obj);
else
ad.type=ADDED_NID;
ad.obj= &ob;
ob.nid=n;
- adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
+ adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL)
return(adp->obj->sn);
else
ad.type=ADDED_NID;
ad.obj= &ob;
ob.nid=n;
- adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
+ adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL)
return(adp->obj->ln);
else
int OBJ_obj2nid(const ASN1_OBJECT *a)
{
- ASN1_OBJECT **op;
+ const unsigned int *op;
ADDED_OBJ ad,*adp;
if (a == NULL)
{
ad.type=ADDED_DATA;
ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
- adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
+ adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL) return (adp->obj->nid);
}
- op=(ASN1_OBJECT **)OBJ_bsearch((char *)&a,(char *)obj_objs,NUM_OBJ,
- sizeof(ASN1_OBJECT *),obj_cmp);
+ op=(const unsigned int *)OBJ_bsearch((const char *)&a,(const char *)obj_objs,
+ NUM_OBJ, sizeof(obj_objs[0]),obj_cmp);
if (op == NULL)
return(NID_undef);
- return((*op)->nid);
+ return(nid_objs[*op].nid);
}
/* Convert an object name into an ASN1_OBJECT
{
int nid = NID_undef;
ASN1_OBJECT *op=NULL;
- unsigned char *buf,*p;
+ unsigned char *buf;
+ unsigned char *p;
+ const unsigned char *cp;
int i, j;
if(!no_name) {
/* Work out size of content octets */
i=a2d_ASN1_OBJECT(NULL,0,s,-1);
if (i <= 0) {
- /* Clear the error */
- ERR_get_error();
+ /* Don't clear the error */
+ /*ERR_clear_error();*/
return NULL;
}
/* Work out total size */
ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
/* Write out contents */
a2d_ASN1_OBJECT(p,i,s,-1);
-
- p=buf;
- op=d2i_ASN1_OBJECT(NULL,&p,i);
+
+ cp=buf;
+ op=d2i_ASN1_OBJECT(NULL,&cp,j);
OPENSSL_free(buf);
return op;
}
int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
{
- int i,idx=0,n=0,len,nid;
+ int i,n=0,len,nid, first, use_bn;
+ BIGNUM *bl;
unsigned long l;
- unsigned char *p;
- const char *s;
- char tbuf[32];
-
- if (buf_len <= 0) return(0);
+ const unsigned char *p;
+ char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
if ((a == NULL) || (a->data == NULL)) {
buf[0]='\0';
return(0);
}
- nid=OBJ_obj2nid(a);
- if ((nid == NID_undef) || no_name) {
- len=a->length;
- p=a->data;
- idx=0;
- l=0;
- while (idx < a->length) {
- l|=(p[idx]&0x7f);
- if (!(p[idx] & 0x80)) break;
- l<<=7L;
- idx++;
+ if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
+ {
+ const char *s;
+ s=OBJ_nid2ln(nid);
+ if (s == NULL)
+ s=OBJ_nid2sn(nid);
+ if (buf)
+ BUF_strlcpy(buf,s,buf_len);
+ n=strlen(s);
+ return n;
}
- idx++;
- i=(int)(l/40);
- if (i > 2) i=2;
- l-=(long)(i*40);
-
- sprintf(tbuf,"%d.%lu",i,l);
- i=strlen(tbuf);
- strncpy(buf,tbuf,buf_len);
- buf_len-=i;
- buf+=i;
- n+=i;
+
+ len=a->length;
+ p=a->data;
+
+ first = 1;
+ bl = NULL;
+
+ while (len > 0)
+ {
l=0;
- for (; idx<len; idx++) {
- l|=p[idx]&0x7f;
- if (!(p[idx] & 0x80)) {
- sprintf(tbuf,".%lu",l);
- i=strlen(tbuf);
+ use_bn = 0;
+ for (;;)
+ {
+ unsigned char c = *p++;
+ len--;
+ if ((len == 0) && (c & 0x80))
+ goto err;
+ if (use_bn)
+ {
+ if (!BN_add_word(bl, c & 0x7f))
+ goto err;
+ }
+ else
+ l |= c & 0x7f;
+ if (!(c & 0x80))
+ break;
+ if (!use_bn && (l > (ULONG_MAX >> 7L)))
+ {
+ if (!bl && !(bl = BN_new()))
+ goto err;
+ if (!BN_set_word(bl, l))
+ goto err;
+ use_bn = 1;
+ }
+ if (use_bn)
+ {
+ if (!BN_lshift(bl, bl, 7))
+ goto err;
+ }
+ else
+ l<<=7L;
+ }
+
+ if (first)
+ {
+ first = 0;
+ if (l >= 80)
+ {
+ i = 2;
+ if (use_bn)
+ {
+ if (!BN_sub_word(bl, 80))
+ goto err;
+ }
+ else
+ l -= 80;
+ }
+ else
+ {
+ i=(int)(l/40);
+ l-=(long)(i*40);
+ }
+ if (buf && (buf_len > 0))
+ {
+ *buf++ = i + '0';
+ buf_len--;
+ }
+ n++;
+ }
+
+ if (use_bn)
+ {
+ char *bndec;
+ bndec = BN_bn2dec(bl);
+ if (!bndec)
+ goto err;
+ i = strlen(bndec);
+ if (buf)
+ {
if (buf_len > 0)
- strncpy(buf,tbuf,buf_len);
- buf_len-=i;
- buf+=i;
- n+=i;
- l=0;
+ {
+ *buf++ = '.';
+ buf_len--;
+ }
+ BUF_strlcpy(buf,bndec,buf_len);
+ if (i > buf_len)
+ {
+ buf += buf_len;
+ buf_len = 0;
+ }
+ else
+ {
+ buf+=i;
+ buf_len-=i;
+ }
+ }
+ n++;
+ n += i;
+ OPENSSL_free(bndec);
+ }
+ else
+ {
+ BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
+ i=strlen(tbuf);
+ if (buf && (buf_len > 0))
+ {
+ BUF_strlcpy(buf,tbuf,buf_len);
+ if (i > buf_len)
+ {
+ buf += buf_len;
+ buf_len = 0;
+ }
+ else
+ {
+ buf+=i;
+ buf_len-=i;
+ }
+ }
+ n+=i;
+ l=0;
}
- l<<=7L;
}
- } else {
- s=OBJ_nid2ln(nid);
- if (s == NULL)
- s=OBJ_nid2sn(nid);
- strncpy(buf,s,buf_len);
- n=strlen(s);
- }
- buf[buf_len-1]='\0';
- return(n);
+
+ if (bl)
+ BN_free(bl);
+ return n;
+
+ err:
+ if (bl)
+ BN_free(bl);
+ return -1;
}
int OBJ_txt2nid(const char *s)
int OBJ_ln2nid(const char *s)
{
- ASN1_OBJECT o,*oo= &o,**op;
+ ASN1_OBJECT o,*oo= &o;
ADDED_OBJ ad,*adp;
+ const unsigned int *op;
o.ln=s;
if (added != NULL)
{
ad.type=ADDED_LNAME;
ad.obj= &o;
- adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
+ adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL) return (adp->obj->nid);
}
- op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs,NUM_LN,
- sizeof(ASN1_OBJECT *),ln_cmp);
+ op=(const unsigned int*)OBJ_bsearch((char *)&oo,(char *)ln_objs, NUM_LN,
+ sizeof(ln_objs[0]),ln_cmp);
if (op == NULL) return(NID_undef);
- return((*op)->nid);
+ return(nid_objs[*op].nid);
}
int OBJ_sn2nid(const char *s)
{
- ASN1_OBJECT o,*oo= &o,**op;
+ ASN1_OBJECT o,*oo= &o;
ADDED_OBJ ad,*adp;
+ const unsigned int *op;
o.sn=s;
if (added != NULL)
{
ad.type=ADDED_SNAME;
ad.obj= &o;
- adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
+ adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL) return (adp->obj->nid);
}
- op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
- sizeof(ASN1_OBJECT *),sn_cmp);
+ op=(const unsigned int *)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
+ sizeof(sn_objs[0]),sn_cmp);
if (op == NULL) return(NID_undef);
- return((*op)->nid);
+ return(nid_objs[*op].nid);
}
static int obj_cmp(const void *ap, const void *bp)
{
int j;
- ASN1_OBJECT *a= *(ASN1_OBJECT **)ap;
- ASN1_OBJECT *b= *(ASN1_OBJECT **)bp;
+ const ASN1_OBJECT *a= *(ASN1_OBJECT * const *)ap;
+ const ASN1_OBJECT *b= &nid_objs[*((const unsigned int *)bp)];
j=(a->length - b->length);
if (j) return(j);
const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
int (*cmp)(const void *, const void *))
{
- int l,h,i,c;
- const char *p;
+ return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
+ }
+
+const char *OBJ_bsearch_ex(const char *key, const char *base, int num,
+ int size, int (*cmp)(const void *, const void *), int flags)
+ {
+ int l,h,i=0,c=0;
+ const char *p = NULL;
if (num == 0) return(NULL);
l=0;
else if (c > 0)
l=i+1;
else
- return(p);
+ break;
}
#ifdef CHARSET_EBCDIC
/* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
* I don't have perl (yet), we revert to a *LINEAR* search
* when the object wasn't found in the binary search.
*/
- for (i=0; i<num; ++i) {
- p= &(base[i*size]);
- if ((*cmp)(key,p) == 0)
- return p;
- }
+ if (c != 0)
+ {
+ for (i=0; i<num; ++i)
+ {
+ p= &(base[i*size]);
+ c = (*cmp)(key,p);
+ if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
+ return p;
+ }
+ }
#endif
- return(NULL);
+ if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
+ p = NULL;
+ else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH))
+ {
+ while(i > 0 && (*cmp)(key,&(base[(i-1)*size])) == 0)
+ i--;
+ p = &(base[i*size]);
+ }
+ return(p);
}
int OBJ_create_objects(BIO *in)
if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
{
- OBJerr(OBJ_F_OBJ_CREATE,OBJ_R_MALLOC_FAILURE);
+ OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE);
return(0);
}
i=a2d_ASN1_OBJECT(buf,i,oid,-1);
+ if (i == 0)
+ goto err;
op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
if (op == NULL)
goto err;