diff options
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/objects/obj_dat.c')
-rw-r--r-- | roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/objects/obj_dat.c | 739 |
1 files changed, 739 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/objects/obj_dat.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/objects/obj_dat.c new file mode 100644 index 000000000..46006fe6c --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/objects/obj_dat.c @@ -0,0 +1,739 @@ +/* + * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <stdio.h> +#include "crypto/ctype.h" +#include <limits.h> +#include "internal/cryptlib.h" +#include <openssl/lhash.h> +#include <openssl/asn1.h> +#include "crypto/objects.h" +#include <openssl/bn.h> +#include "crypto/asn1.h" +#include "obj_local.h" + +/* obj_dat.h is generated from objects.h by obj_dat.pl */ +#include "obj_dat.h" + +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 +#define ADDED_NID 3 + +struct added_obj_st { + int type; + ASN1_OBJECT *obj; +}; + +static int new_nid = NUM_NID; +static LHASH_OF(ADDED_OBJ) *added = NULL; + +static int sn_cmp(const ASN1_OBJECT *const *a, const unsigned int *b) +{ + return strcmp((*a)->sn, nid_objs[*b].sn); +} + +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); +} + +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; + + a = ca->obj; + switch (ca->type) { + case ADDED_DATA: + ret = a->length << 20L; + p = (unsigned char *)a->data; + for (i = 0; i < a->length; i++) + ret ^= p[i] << ((i * 3) % 24); + break; + case ADDED_SNAME: + ret = OPENSSL_LH_strhash(a->sn); + break; + case ADDED_LNAME: + ret = OPENSSL_LH_strhash(a->ln); + break; + case ADDED_NID: + ret = a->nid; + break; + default: + /* abort(); */ + return 0; + } + ret &= 0x3fffffffL; + ret |= ((unsigned long)ca->type) << 30L; + return ret; +} + +static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb) +{ + ASN1_OBJECT *a, *b; + int i; + + i = ca->type - cb->type; + if (i) + return i; + a = ca->obj; + b = cb->obj; + switch (ca->type) { + case ADDED_DATA: + i = (a->length - b->length); + if (i) + return i; + 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; + else + return strcmp(a->sn, b->sn); + case ADDED_LNAME: + if (a->ln == NULL) + return -1; + else if (b->ln == NULL) + return 1; + else + return strcmp(a->ln, b->ln); + case ADDED_NID: + return a->nid - b->nid; + default: + /* abort(); */ + return 0; + } +} + +static int init_added(void) +{ + if (added != NULL) + return 1; + added = lh_ADDED_OBJ_new(added_obj_hash, added_obj_cmp); + return added != NULL; +} + +static void cleanup1_doall(ADDED_OBJ *a) +{ + a->obj->nid = 0; + a->obj->flags |= ASN1_OBJECT_FLAG_DYNAMIC | + ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | ASN1_OBJECT_FLAG_DYNAMIC_DATA; +} + +static void cleanup2_doall(ADDED_OBJ *a) +{ + a->obj->nid++; +} + +static void cleanup3_doall(ADDED_OBJ *a) +{ + if (--a->obj->nid == 0) + ASN1_OBJECT_free(a->obj); + OPENSSL_free(a); +} + +void obj_cleanup_int(void) +{ + if (added == NULL) + return; + lh_ADDED_OBJ_set_down_load(added, 0); + lh_ADDED_OBJ_doall(added, cleanup1_doall); /* zero counters */ + lh_ADDED_OBJ_doall(added, cleanup2_doall); /* set counters */ + lh_ADDED_OBJ_doall(added, cleanup3_doall); /* free objects */ + lh_ADDED_OBJ_free(added); + added = NULL; +} + +int OBJ_new_nid(int num) +{ + int i; + + i = new_nid; + new_nid += num; + return i; +} + +int OBJ_add_object(const ASN1_OBJECT *obj) +{ + ASN1_OBJECT *o; + ADDED_OBJ *ao[4] = { NULL, NULL, NULL, NULL }, *aop; + int i; + + if (added == NULL) + if (!init_added()) + return 0; + if ((o = OBJ_dup(obj)) == NULL) + goto err; + if ((ao[ADDED_NID] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL) + goto err2; + if ((o->length != 0) && (obj->data != NULL)) + if ((ao[ADDED_DATA] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL) + goto err2; + if (o->sn != NULL) + if ((ao[ADDED_SNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL) + goto err2; + if (o->ln != NULL) + if ((ao[ADDED_LNAME] = OPENSSL_malloc(sizeof(*ao[0]))) == NULL) + goto err2; + + for (i = ADDED_DATA; i <= ADDED_NID; i++) { + if (ao[i] != NULL) { + ao[i]->type = i; + ao[i]->obj = o; + aop = lh_ADDED_OBJ_insert(added, ao[i]); + /* memory leak, but should not normally matter */ + OPENSSL_free(aop); + } + } + o->flags &= + ~(ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | + 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++) + OPENSSL_free(ao[i]); + ASN1_OBJECT_free(o); + return NID_undef; +} + +ASN1_OBJECT *OBJ_nid2obj(int n) +{ + ADDED_OBJ ad, *adp; + ASN1_OBJECT ob; + + if ((n >= 0) && (n < NUM_NID)) { + if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) { + OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID); + return NULL; + } + return (ASN1_OBJECT *)&(nid_objs[n]); + } else if (added == NULL) + return NULL; + else { + ad.type = ADDED_NID; + ad.obj = &ob; + ob.nid = n; + adp = lh_ADDED_OBJ_retrieve(added, &ad); + if (adp != NULL) + return adp->obj; + else { + OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID); + return NULL; + } + } +} + +const char *OBJ_nid2sn(int n) +{ + ADDED_OBJ ad, *adp; + ASN1_OBJECT ob; + + if ((n >= 0) && (n < NUM_NID)) { + if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) { + OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID); + return NULL; + } + return nid_objs[n].sn; + } else if (added == NULL) + return NULL; + else { + ad.type = ADDED_NID; + ad.obj = &ob; + ob.nid = n; + adp = lh_ADDED_OBJ_retrieve(added, &ad); + if (adp != NULL) + return adp->obj->sn; + else { + OBJerr(OBJ_F_OBJ_NID2SN, OBJ_R_UNKNOWN_NID); + return NULL; + } + } +} + +const char *OBJ_nid2ln(int n) +{ + ADDED_OBJ ad, *adp; + ASN1_OBJECT ob; + + if ((n >= 0) && (n < NUM_NID)) { + if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) { + OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID); + return NULL; + } + return nid_objs[n].ln; + } else if (added == NULL) + return NULL; + else { + ad.type = ADDED_NID; + ad.obj = &ob; + ob.nid = n; + adp = lh_ADDED_OBJ_retrieve(added, &ad); + if (adp != NULL) + return adp->obj->ln; + else { + OBJerr(OBJ_F_OBJ_NID2LN, OBJ_R_UNKNOWN_NID); + return NULL; + } + } +} + +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; + if (a->length == 0) + return 0; + 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) +{ + const unsigned int *op; + ADDED_OBJ ad, *adp; + + if (a == NULL) + return NID_undef; + if (a->nid != 0) + return a->nid; + + if (a->length == 0) + return NID_undef; + + if (added != NULL) { + ad.type = ADDED_DATA; + ad.obj = (ASN1_OBJECT *)a; /* XXX: ugly but harmless */ + adp = lh_ADDED_OBJ_retrieve(added, &ad); + if (adp != NULL) + return adp->obj->nid; + } + op = OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ); + if (op == NULL) + return NID_undef; + return nid_objs[*op].nid; +} + +/* + * Convert an object name into an ASN1_OBJECT if "noname" is not set then + * search for short and long names first. This will convert the "dotted" form + * into an object: unlike OBJ_txt2nid it can be used with any objects, not + * just registered ones. + */ + +ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name) +{ + int nid = NID_undef; + ASN1_OBJECT *op; + unsigned char *buf; + unsigned char *p; + const unsigned char *cp; + int i, j; + + if (!no_name) { + if (((nid = OBJ_sn2nid(s)) != NID_undef) || + ((nid = OBJ_ln2nid(s)) != NID_undef)) + return OBJ_nid2obj(nid); + } + + /* Work out size of content octets */ + i = a2d_ASN1_OBJECT(NULL, 0, s, -1); + if (i <= 0) { + /* Don't clear the error */ + /* + * ERR_clear_error(); + */ + return NULL; + } + /* Work out total size */ + j = ASN1_object_size(0, i, V_ASN1_OBJECT); + if (j < 0) + return NULL; + + if ((buf = OPENSSL_malloc(j)) == NULL) { + OBJerr(OBJ_F_OBJ_TXT2OBJ, ERR_R_MALLOC_FAILURE); + return NULL; + } + + p = buf; + /* Write out tag+length */ + ASN1_put_object(&p, 0, i, V_ASN1_OBJECT, V_ASN1_UNIVERSAL); + /* Write out contents */ + a2d_ASN1_OBJECT(p, i, s, -1); + + 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, n = 0, len, nid, first, use_bn; + BIGNUM *bl; + unsigned long l; + const unsigned char *p; + char tbuf[DECIMAL_SIZE(i) + DECIMAL_SIZE(l) + 2]; + + /* Ensure that, at every state, |buf| is NUL-terminated. */ + if (buf && buf_len > 0) + buf[0] = '\0'; + + if ((a == NULL) || (a->data == NULL)) + return 0; + + if (!no_name && (nid = OBJ_obj2nid(a)) != NID_undef) { + const char *s; + s = OBJ_nid2ln(nid); + if (s == NULL) + s = OBJ_nid2sn(nid); + if (s) { + if (buf) + OPENSSL_strlcpy(buf, s, buf_len); + n = strlen(s); + return n; + } + } + + len = a->length; + p = a->data; + + first = 1; + bl = NULL; + + while (len > 0) { + l = 0; + 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 == NULL && (bl = BN_new()) == NULL) + 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 > 1)) { + *buf++ = i + '0'; + *buf = '\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 > 1) { + *buf++ = '.'; + *buf = '\0'; + buf_len--; + } + 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; + + 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; + + 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 *base = base_; + int l, h, i = 0, c = 0; + const char *p = NULL; + + if (num == 0) + return NULL; + l = 0; + h = num; + while (l < h) { + i = (l + h) / 2; + p = &(base[i * size]); + c = (*cmp) (key, p); + if (c < 0) + h = i; + else if (c > 0) + l = i + 1; + else + 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. + */ + 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 + 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; +} + +/* + * 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; +} |