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706457b7bd
Apart from public and internal header files, there is a third type called local header files, which are located next to source files in the source directory. Currently, they have different suffixes like '*_lcl.h', '*_local.h', or '*_int.h' This commit changes the different suffixes to '*_local.h' uniformly. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/9333)
738 lines
18 KiB
C
738 lines
18 KiB
C
/*
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* Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "crypto/ctype.h"
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#include <limits.h>
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#include "internal/cryptlib.h"
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#include <openssl/lhash.h>
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#include <openssl/asn1.h>
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#include "crypto/objects.h"
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#include <openssl/bn.h>
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#include "crypto/asn1.h"
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#include "obj_local.h"
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/* obj_dat.h is generated from objects.h by obj_dat.pl */
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#include "obj_dat.h"
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DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
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DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
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DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
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#define ADDED_DATA 0
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#define ADDED_SNAME 1
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#define ADDED_LNAME 2
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#define ADDED_NID 3
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struct added_obj_st {
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int type;
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ASN1_OBJECT *obj;
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};
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static int new_nid = NUM_NID;
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static LHASH_OF(ADDED_OBJ) *added = NULL;
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static int sn_cmp(const ASN1_OBJECT *const *a, const unsigned int *b)
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{
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return strcmp((*a)->sn, nid_objs[*b].sn);
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}
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
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static int ln_cmp(const ASN1_OBJECT *const *a, const unsigned int *b)
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{
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return strcmp((*a)->ln, nid_objs[*b].ln);
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}
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
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static unsigned long added_obj_hash(const ADDED_OBJ *ca)
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{
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const ASN1_OBJECT *a;
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int i;
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unsigned long ret = 0;
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unsigned char *p;
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a = ca->obj;
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switch (ca->type) {
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case ADDED_DATA:
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ret = a->length << 20L;
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p = (unsigned char *)a->data;
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for (i = 0; i < a->length; i++)
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ret ^= p[i] << ((i * 3) % 24);
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break;
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case ADDED_SNAME:
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ret = OPENSSL_LH_strhash(a->sn);
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break;
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case ADDED_LNAME:
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ret = OPENSSL_LH_strhash(a->ln);
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break;
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case ADDED_NID:
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ret = a->nid;
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break;
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default:
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/* abort(); */
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return 0;
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}
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ret &= 0x3fffffffL;
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ret |= ((unsigned long)ca->type) << 30L;
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return ret;
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}
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static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
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{
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ASN1_OBJECT *a, *b;
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int i;
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i = ca->type - cb->type;
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if (i)
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return i;
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a = ca->obj;
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b = cb->obj;
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switch (ca->type) {
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case ADDED_DATA:
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i = (a->length - b->length);
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if (i)
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return i;
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return memcmp(a->data, b->data, (size_t)a->length);
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case ADDED_SNAME:
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if (a->sn == NULL)
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return -1;
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else if (b->sn == NULL)
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return 1;
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else
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return strcmp(a->sn, b->sn);
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case ADDED_LNAME:
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if (a->ln == NULL)
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return -1;
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else if (b->ln == NULL)
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return 1;
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else
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return strcmp(a->ln, b->ln);
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case ADDED_NID:
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return a->nid - b->nid;
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default:
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/* abort(); */
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return 0;
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}
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}
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static int init_added(void)
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{
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if (added != NULL)
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return 1;
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added = lh_ADDED_OBJ_new(added_obj_hash, added_obj_cmp);
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return added != NULL;
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}
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static void cleanup1_doall(ADDED_OBJ *a)
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{
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a->obj->nid = 0;
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a->obj->flags |= ASN1_OBJECT_FLAG_DYNAMIC |
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ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | ASN1_OBJECT_FLAG_DYNAMIC_DATA;
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}
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static void cleanup2_doall(ADDED_OBJ *a)
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{
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a->obj->nid++;
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}
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static void cleanup3_doall(ADDED_OBJ *a)
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{
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if (--a->obj->nid == 0)
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ASN1_OBJECT_free(a->obj);
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OPENSSL_free(a);
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}
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void obj_cleanup_int(void)
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{
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if (added == NULL)
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return;
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lh_ADDED_OBJ_set_down_load(added, 0);
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lh_ADDED_OBJ_doall(added, cleanup1_doall); /* zero counters */
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lh_ADDED_OBJ_doall(added, cleanup2_doall); /* set counters */
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lh_ADDED_OBJ_doall(added, cleanup3_doall); /* free objects */
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lh_ADDED_OBJ_free(added);
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added = NULL;
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}
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int OBJ_new_nid(int num)
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{
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int i;
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i = new_nid;
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new_nid += num;
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return i;
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}
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int OBJ_add_object(const ASN1_OBJECT *obj)
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{
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ASN1_OBJECT *o;
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ADDED_OBJ *ao[4] = { NULL, NULL, NULL, NULL }, *aop;
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int i;
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if (added == NULL)
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if (!init_added())
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return 0;
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if ((o = OBJ_dup(obj)) == NULL)
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goto err;
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if ((ao[ADDED_NID] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
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goto err2;
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if ((o->length != 0) && (obj->data != NULL))
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if ((ao[ADDED_DATA] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
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goto err2;
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if (o->sn != NULL)
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if ((ao[ADDED_SNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
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goto err2;
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if (o->ln != NULL)
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if ((ao[ADDED_LNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL)
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goto err2;
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for (i = ADDED_DATA; i <= ADDED_NID; i++) {
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if (ao[i] != NULL) {
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ao[i]->type = i;
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ao[i]->obj = o;
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aop = lh_ADDED_OBJ_insert(added, ao[i]);
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/* memory leak, but should not normally matter */
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OPENSSL_free(aop);
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}
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}
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o->flags &=
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~(ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS |
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ASN1_OBJECT_FLAG_DYNAMIC_DATA);
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return o->nid;
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err2:
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OBJerr(OBJ_F_OBJ_ADD_OBJECT, ERR_R_MALLOC_FAILURE);
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err:
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for (i = ADDED_DATA; i <= ADDED_NID; i++)
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OPENSSL_free(ao[i]);
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ASN1_OBJECT_free(o);
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return NID_undef;
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}
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ASN1_OBJECT *OBJ_nid2obj(int n)
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{
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ADDED_OBJ ad, *adp;
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ASN1_OBJECT ob;
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if ((n >= 0) && (n < NUM_NID)) {
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if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
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OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
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return NULL;
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}
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return (ASN1_OBJECT *)&(nid_objs[n]);
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}
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/* Make sure we've loaded config before checking for any "added" objects */
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OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
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if (added == NULL)
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return NULL;
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ad.type = ADDED_NID;
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ad.obj = &ob;
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ob.nid = n;
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adp = lh_ADDED_OBJ_retrieve(added, &ad);
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if (adp != NULL)
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return adp->obj;
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OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
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return NULL;
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}
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const char *OBJ_nid2sn(int n)
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{
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ADDED_OBJ ad, *adp;
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ASN1_OBJECT ob;
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if ((n >= 0) && (n < NUM_NID)) {
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if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
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OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
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return NULL;
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}
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return nid_objs[n].sn;
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}
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/* Make sure we've loaded config before checking for any "added" objects */
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OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
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if (added == NULL)
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return NULL;
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ad.type = ADDED_NID;
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ad.obj = &ob;
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ob.nid = n;
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adp = lh_ADDED_OBJ_retrieve(added, &ad);
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if (adp != NULL)
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return adp->obj->sn;
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OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID);
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return NULL;
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}
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const char *OBJ_nid2ln(int n)
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{
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ADDED_OBJ ad, *adp;
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ASN1_OBJECT ob;
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if ((n >= 0) && (n < NUM_NID)) {
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if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
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OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
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return NULL;
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}
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return nid_objs[n].ln;
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}
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/* Make sure we've loaded config before checking for any "added" objects */
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OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
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if (added == NULL)
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return NULL;
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ad.type = ADDED_NID;
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ad.obj = &ob;
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ob.nid = n;
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adp = lh_ADDED_OBJ_retrieve(added, &ad);
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if (adp != NULL)
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return adp->obj->ln;
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OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID);
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return NULL;
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}
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static int obj_cmp(const ASN1_OBJECT *const *ap, const unsigned int *bp)
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{
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int j;
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const ASN1_OBJECT *a = *ap;
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const ASN1_OBJECT *b = &nid_objs[*bp];
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j = (a->length - b->length);
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if (j)
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return j;
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if (a->length == 0)
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return 0;
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return memcmp(a->data, b->data, a->length);
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}
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IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
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int OBJ_obj2nid(const ASN1_OBJECT *a)
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{
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const unsigned int *op;
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ADDED_OBJ ad, *adp;
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if (a == NULL)
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return NID_undef;
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if (a->nid != 0)
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return a->nid;
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if (a->length == 0)
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return NID_undef;
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/* Make sure we've loaded config before checking for any "added" objects */
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OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
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if (added != NULL) {
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ad.type = ADDED_DATA;
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ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */
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adp = lh_ADDED_OBJ_retrieve(added, &ad);
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if (adp != NULL)
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return adp->obj->nid;
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}
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op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
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if (op == NULL)
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return NID_undef;
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return nid_objs[*op].nid;
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}
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/*
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* Convert an object name into an ASN1_OBJECT if "noname" is not set then
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* search for short and long names first. This will convert the "dotted" form
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* into an object: unlike OBJ_txt2nid it can be used with any objects, not
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* just registered ones.
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*/
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ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
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{
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int nid = NID_undef;
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ASN1_OBJECT *op;
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unsigned char *buf;
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unsigned char *p;
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const unsigned char *cp;
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int i, j;
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if (!no_name) {
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if (((nid = OBJ_sn2nid(s)) != NID_undef) ||
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((nid = OBJ_ln2nid(s)) != NID_undef))
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return OBJ_nid2obj(nid);
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}
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/* Work out size of content octets */
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i = a2d_ASN1_OBJECT(NULL, 0, s, -1);
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if (i <= 0) {
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/* Don't clear the error */
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/*
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* ERR_clear_error();
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*/
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return NULL;
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}
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/* Work out total size */
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j = ASN1_object_size(0, i, V_ASN1_OBJECT);
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if (j < 0)
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return NULL;
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if ((buf = OPENSSL_malloc(j)) == NULL) {
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OBJerr(OBJ_F_OBJ_TXT2OBJ, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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p = buf;
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/* Write out tag+length */
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ASN1_put_object(&p, 0, i, V_ASN1_OBJECT, V_ASN1_UNIVERSAL);
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/* Write out contents */
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a2d_ASN1_OBJECT(p, i, s, -1);
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cp = buf;
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op = d2i_ASN1_OBJECT(NULL, &cp, j);
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OPENSSL_free(buf);
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return op;
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}
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int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
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{
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int i, n = 0, len, nid, first, use_bn;
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BIGNUM *bl;
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unsigned long l;
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const unsigned char *p;
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char tbuf[DECIMAL_SIZE(i) + DECIMAL_SIZE(l) + 2];
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|
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/* Ensure that, at every state, |buf| is NUL-terminated. */
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if (buf && buf_len > 0)
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buf[0] = '\0';
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|
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if ((a == NULL) || (a->data == NULL))
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return 0;
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if (!no_name && (nid = OBJ_obj2nid(a)) != NID_undef) {
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const char *s;
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s = OBJ_nid2ln(nid);
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if (s == NULL)
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s = OBJ_nid2sn(nid);
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if (s) {
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if (buf)
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OPENSSL_strlcpy(buf, s, buf_len);
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n = strlen(s);
|
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return n;
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}
|
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}
|
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|
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len = a->length;
|
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p = a->data;
|
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|
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first = 1;
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bl = NULL;
|
|
|
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while (len > 0) {
|
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l = 0;
|
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use_bn = 0;
|
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for (;;) {
|
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unsigned char c = *p++;
|
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len--;
|
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if ((len == 0) && (c & 0x80))
|
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goto err;
|
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if (use_bn) {
|
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if (!BN_add_word(bl, c & 0x7f))
|
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goto err;
|
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} else
|
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l |= c & 0x7f;
|
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if (!(c & 0x80))
|
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break;
|
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if (!use_bn && (l > (ULONG_MAX >> 7L))) {
|
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if (bl == NULL && (bl = BN_new()) == NULL)
|
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goto err;
|
|
if (!BN_set_word(bl, l))
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goto err;
|
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use_bn = 1;
|
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}
|
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if (use_bn) {
|
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if (!BN_lshift(bl, bl, 7))
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goto err;
|
|
} else
|
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l <<= 7L;
|
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}
|
|
|
|
if (first) {
|
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first = 0;
|
|
if (l >= 80) {
|
|
i = 2;
|
|
if (use_bn) {
|
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if (!BN_sub_word(bl, 80))
|
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goto err;
|
|
} else
|
|
l -= 80;
|
|
} else {
|
|
i = (int)(l / 40);
|
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l -= (long)(i * 40);
|
|
}
|
|
if (buf && (buf_len > 1)) {
|
|
*buf++ = i + '0';
|
|
*buf = '\0';
|
|
buf_len--;
|
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}
|
|
n++;
|
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}
|
|
|
|
if (use_bn) {
|
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char *bndec;
|
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bndec = BN_bn2dec(bl);
|
|
if (!bndec)
|
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goto err;
|
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i = strlen(bndec);
|
|
if (buf) {
|
|
if (buf_len > 1) {
|
|
*buf++ = '.';
|
|
*buf = '\0';
|
|
buf_len--;
|
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}
|
|
OPENSSL_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)) {
|
|
OPENSSL_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;
|
|
}
|
|
}
|
|
|
|
BN_free(bl);
|
|
return n;
|
|
|
|
err:
|
|
BN_free(bl);
|
|
return -1;
|
|
}
|
|
|
|
int OBJ_txt2nid(const char *s)
|
|
{
|
|
ASN1_OBJECT *obj;
|
|
int nid;
|
|
obj = OBJ_txt2obj(s, 0);
|
|
nid = OBJ_obj2nid(obj);
|
|
ASN1_OBJECT_free(obj);
|
|
return nid;
|
|
}
|
|
|
|
int OBJ_ln2nid(const char *s)
|
|
{
|
|
ASN1_OBJECT o;
|
|
const ASN1_OBJECT *oo = &o;
|
|
ADDED_OBJ ad, *adp;
|
|
const unsigned int *op;
|
|
|
|
/* Make sure we've loaded config before checking for any "added" objects */
|
|
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
|
|
|
|
o.ln = s;
|
|
if (added != NULL) {
|
|
ad.type = ADDED_LNAME;
|
|
ad.obj = &o;
|
|
adp = lh_ADDED_OBJ_retrieve(added, &ad);
|
|
if (adp != NULL)
|
|
return adp->obj->nid;
|
|
}
|
|
op = OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
|
|
if (op == NULL)
|
|
return NID_undef;
|
|
return nid_objs[*op].nid;
|
|
}
|
|
|
|
int OBJ_sn2nid(const char *s)
|
|
{
|
|
ASN1_OBJECT o;
|
|
const ASN1_OBJECT *oo = &o;
|
|
ADDED_OBJ ad, *adp;
|
|
const unsigned int *op;
|
|
|
|
/* Make sure we've loaded config before checking for any "added" objects */
|
|
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, NULL);
|
|
|
|
o.sn = s;
|
|
if (added != NULL) {
|
|
ad.type = ADDED_SNAME;
|
|
ad.obj = &o;
|
|
adp = lh_ADDED_OBJ_retrieve(added, &ad);
|
|
if (adp != NULL)
|
|
return adp->obj->nid;
|
|
}
|
|
op = OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
|
|
if (op == NULL)
|
|
return NID_undef;
|
|
return nid_objs[*op].nid;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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 *p = ossl_bsearch(key, base, num, size, cmp, flags);
|
|
|
|
#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.
|
|
*/
|
|
if (p == NULL) {
|
|
const char *base_ = base;
|
|
int l, h, i = 0, 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 p;
|
|
}
|
|
|
|
/*
|
|
* Parse a BIO sink to create some extra oid's objects.
|
|
* Line format:<OID:isdigit or '.']><isspace><SN><isspace><LN>
|
|
*/
|
|
int OBJ_create_objects(BIO *in)
|
|
{
|
|
char buf[512];
|
|
int i, num = 0;
|
|
char *o, *s, *l = NULL;
|
|
|
|
for (;;) {
|
|
s = o = NULL;
|
|
i = BIO_gets(in, buf, 512);
|
|
if (i <= 0)
|
|
return num;
|
|
buf[i - 1] = '\0';
|
|
if (!ossl_isalnum(buf[0]))
|
|
return num;
|
|
o = s = buf;
|
|
while (ossl_isdigit(*s) || *s == '.')
|
|
s++;
|
|
if (*s != '\0') {
|
|
*(s++) = '\0';
|
|
while (ossl_isspace(*s))
|
|
s++;
|
|
if (*s == '\0') {
|
|
s = NULL;
|
|
} else {
|
|
l = s;
|
|
while (*l != '\0' && !ossl_isspace(*l))
|
|
l++;
|
|
if (*l != '\0') {
|
|
*(l++) = '\0';
|
|
while (ossl_isspace(*l))
|
|
l++;
|
|
if (*l == '\0') {
|
|
l = NULL;
|
|
}
|
|
} else {
|
|
l = NULL;
|
|
}
|
|
}
|
|
} else {
|
|
s = NULL;
|
|
}
|
|
if (*o == '\0')
|
|
return num;
|
|
if (!OBJ_create(o, s, l))
|
|
return num;
|
|
num++;
|
|
}
|
|
}
|
|
|
|
int OBJ_create(const char *oid, const char *sn, const char *ln)
|
|
{
|
|
ASN1_OBJECT *tmpoid = NULL;
|
|
int ok = 0;
|
|
|
|
/* Check to see if short or long name already present */
|
|
if ((sn != NULL && OBJ_sn2nid(sn) != NID_undef)
|
|
|| (ln != NULL && OBJ_ln2nid(ln) != NID_undef)) {
|
|
OBJerr(OBJ_F_OBJ_CREATE, OBJ_R_OID_EXISTS);
|
|
return 0;
|
|
}
|
|
|
|
/* Convert numerical OID string to an ASN1_OBJECT structure */
|
|
tmpoid = OBJ_txt2obj(oid, 1);
|
|
if (tmpoid == NULL)
|
|
return 0;
|
|
|
|
/* If NID is not NID_undef then object already exists */
|
|
if (OBJ_obj2nid(tmpoid) != NID_undef) {
|
|
OBJerr(OBJ_F_OBJ_CREATE, OBJ_R_OID_EXISTS);
|
|
goto err;
|
|
}
|
|
|
|
tmpoid->nid = OBJ_new_nid(1);
|
|
tmpoid->sn = (char *)sn;
|
|
tmpoid->ln = (char *)ln;
|
|
|
|
ok = OBJ_add_object(tmpoid);
|
|
|
|
tmpoid->sn = NULL;
|
|
tmpoid->ln = NULL;
|
|
|
|
err:
|
|
ASN1_OBJECT_free(tmpoid);
|
|
return ok;
|
|
}
|
|
|
|
size_t OBJ_length(const ASN1_OBJECT *obj)
|
|
{
|
|
if (obj == NULL)
|
|
return 0;
|
|
return obj->length;
|
|
}
|
|
|
|
const unsigned char *OBJ_get0_data(const ASN1_OBJECT *obj)
|
|
{
|
|
if (obj == NULL)
|
|
return NULL;
|
|
return obj->data;
|
|
}
|