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Diffstat (limited to 'lib/libcrypto/objects/obj_dat.c')
-rw-r--r--lib/libcrypto/objects/obj_dat.c180
1 files changed, 102 insertions, 78 deletions
diff --git a/lib/libcrypto/objects/obj_dat.c b/lib/libcrypto/objects/obj_dat.c
index 7fd74332417..8a342ba3eb3 100644
--- a/lib/libcrypto/objects/obj_dat.c
+++ b/lib/libcrypto/objects/obj_dat.c
@@ -74,16 +74,17 @@
#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);
-static int ln_cmp(const void *a, const void *b);
-static int obj_cmp(const void *a, const void *b);
+DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
+DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
+DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
+
#define ADDED_DATA 0
#define ADDED_SNAME 1
#define ADDED_LNAME 2
@@ -94,30 +95,27 @@ typedef struct added_obj_st
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));
- }
+static int sn_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
+ { return(strcmp((*a)->sn,nid_objs[*b].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));
- }
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
+
+static int ln_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
+ { return(strcmp((*a)->ln,nid_objs[*b].ln)); }
-/* static unsigned long add_hash(ADDED_OBJ *ca) */
-static unsigned long add_hash(const void *ca_void)
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
+
+static unsigned long added_obj_hash(const ADDED_OBJ *ca)
{
const ASN1_OBJECT *a;
int i;
unsigned long ret=0;
unsigned char *p;
- const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
a=ca->obj;
switch (ca->type)
@@ -145,14 +143,12 @@ static unsigned long add_hash(const void *ca_void)
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;
- const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
- const ADDED_OBJ *cb = (const ADDED_OBJ *)cb_void;
i=ca->type-cb->type;
if (i) return(i);
@@ -179,15 +175,16 @@ static int add_cmp(const void *ca_void, const void *cb_void)
return 0;
}
}
+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|
@@ -195,28 +192,46 @@ static void cleanup1(ADDED_OBJ *a)
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;
}
@@ -252,7 +267,7 @@ int OBJ_add_object(const ASN1_OBJECT *obj)
{
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);
@@ -292,7 +307,7 @@ ASN1_OBJECT *OBJ_nid2obj(int n)
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
@@ -324,7 +339,7 @@ const char *OBJ_nid2sn(int n)
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
@@ -356,7 +371,7 @@ const char *OBJ_nid2ln(int n)
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
@@ -367,9 +382,22 @@ const char *OBJ_nid2ln(int n)
}
}
+static int obj_cmp(const ASN1_OBJECT * const *ap, const unsigned int *bp)
+ {
+ int j;
+ const ASN1_OBJECT *a= *ap;
+ const ASN1_OBJECT *b= &nid_objs[*bp];
+
+ j=(a->length - b->length);
+ if (j) return(j);
+ return(memcmp(a->data,b->data,a->length));
+ }
+
+IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
+
int OBJ_obj2nid(const ASN1_OBJECT *a)
{
- ASN1_OBJECT **op;
+ const unsigned int *op;
ADDED_OBJ ad,*adp;
if (a == NULL)
@@ -381,14 +409,13 @@ int OBJ_obj2nid(const ASN1_OBJECT *a)
{
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((const char *)&a,(const char *)obj_objs,
- NUM_OBJ, sizeof(ASN1_OBJECT *),obj_cmp);
+ op=OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
if (op == NULL)
return(NID_undef);
- return((*op)->nid);
+ return(nid_objs[*op].nid);
}
/* Convert an object name into an ASN1_OBJECT
@@ -441,7 +468,7 @@ int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
int i,n=0,len,nid, first, use_bn;
BIGNUM *bl;
unsigned long l;
- unsigned char *p;
+ const unsigned char *p;
char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
if ((a == NULL) || (a->data == NULL)) {
@@ -456,10 +483,13 @@ int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
s=OBJ_nid2ln(nid);
if (s == NULL)
s=OBJ_nid2sn(nid);
- if (buf)
- BUF_strlcpy(buf,s,buf_len);
- n=strlen(s);
- return n;
+ if (s)
+ {
+ if (buf)
+ BUF_strlcpy(buf,s,buf_len);
+ n=strlen(s);
+ return n;
+ }
}
@@ -607,62 +637,56 @@ int OBJ_txt2nid(const char *s)
int OBJ_ln2nid(const char *s)
{
- ASN1_OBJECT o,*oo= &o,**op;
+ ASN1_OBJECT o;
+ const ASN1_OBJECT *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=OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
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;
+ const ASN1_OBJECT *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=OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
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;
- const ASN1_OBJECT *a= *(ASN1_OBJECT * const *)ap;
- const ASN1_OBJECT *b= *(ASN1_OBJECT * const *)bp;
-
- j=(a->length - b->length);
- if (j) return(j);
- return(memcmp(a->data,b->data,a->length));
- }
-
-const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
- int (*cmp)(const void *, const void *))
+const void *OBJ_bsearch_(const void *key, const void *base, int num, int size,
+ int (*cmp)(const void *, const void *))
{
- return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
+ 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)
+const void *OBJ_bsearch_ex_(const void *key, const void *base_, int num,
+ int size,
+ int (*cmp)(const void *, const void *),
+ int flags)
{
+ const char *base=base_;
int l,h,i=0,c=0;
const char *p = NULL;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 09:15:26 +0000