OpenCoverage

d2i_pr.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/openssl/src/crypto/asn1/d2i_pr.c
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1/*-
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.-
3 *-
4 * Licensed under the OpenSSL license (the "License"). You may not use-
5 * this file except in compliance with the License. You can obtain a copy-
6 * in the file LICENSE in the source distribution or at-
7 * https://www.openssl.org/source/license.html-
8 */-
9-
10#include <stdio.h>-
11#include "internal/cryptlib.h"-
12#include <openssl/bn.h>-
13#include <openssl/evp.h>-
14#include <openssl/objects.h>-
15#include <openssl/engine.h>-
16#include <openssl/x509.h>-
17#include <openssl/asn1.h>-
18#include "internal/asn1_int.h"-
19#include "internal/evp_int.h"-
20-
21EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,-
22 long length)-
23{-
24 EVP_PKEY *ret;-
25 const unsigned char *p = *pp;-
26-
27 if ((a == NULL) || (*a == NULL)) {
(a == ((void *)0) )Description
TRUEevaluated 7073 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
(*a == ((void *)0) )Description
TRUEnever evaluated
FALSEnever evaluated
0-7073
28 if ((ret = EVP_PKEY_new()) == NULL) {
(ret = EVP_PKE...== ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 7073 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7073
29 ASN1err(ASN1_F_D2I_PRIVATEKEY, ERR_R_EVP_LIB);-
30 return NULL;
never executed: return ((void *)0) ;
0
31 }-
32 } else {
executed 7073 times by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
7073
33 ret = *a;-
34#ifndef OPENSSL_NO_ENGINE-
35 ENGINE_finish(ret->engine);-
36 ret->engine = NULL;-
37#endif-
38 }
never executed: end of block
0
39-
40 if (!EVP_PKEY_set_type(ret, type)) {
!EVP_PKEY_set_type(ret, type)Description
TRUEnever evaluated
FALSEevaluated 7073 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7073
41 ASN1err(ASN1_F_D2I_PRIVATEKEY, ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE);-
42 goto err;
never executed: goto err;
0
43 }-
44-
45 if (!ret->ameth->old_priv_decode ||
!ret->ameth->old_priv_decodeDescription
TRUEnever evaluated
FALSEevaluated 7073 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-7073
46 !ret->ameth->old_priv_decode(ret, &p, length)) {
!ret->ameth->o...t, &p, length)Description
TRUEevaluated 2608 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 4465 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2608-4465
47 if (ret->ameth->priv_decode) {
ret->ameth->priv_decodeDescription
TRUEevaluated 2608 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
0-2608
48 EVP_PKEY *tmp;-
49 PKCS8_PRIV_KEY_INFO *p8 = NULL;-
50 p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, length);-
51 if (!p8)
!p8Description
TRUEevaluated 2606 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
2-2606
52 goto err;
executed 2606 times by 1 test: goto err;
Executed by:
  • libcrypto.so.1.1
2606
53 tmp = EVP_PKCS82PKEY(p8);-
54 PKCS8_PRIV_KEY_INFO_free(p8);-
55 if (tmp == NULL)
tmp == ((void *)0)Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.1.1
1
56 goto err;
executed 1 time by 1 test: goto err;
Executed by:
  • libcrypto.so.1.1
1
57 EVP_PKEY_free(ret);-
58 ret = tmp;-
59 } else {
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.1.1
1
60 ASN1err(ASN1_F_D2I_PRIVATEKEY, ERR_R_ASN1_LIB);-
61 goto err;
never executed: goto err;
0
62 }-
63 }-
64 *pp = p;-
65 if (a != NULL)
a != ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 4466 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-4466
66 (*a) = ret;
never executed: (*a) = ret;
0
67 return ret;
executed 4466 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
4466
68 err:-
69 if (a == NULL || *a != ret)
a == ((void *)0)Description
TRUEevaluated 2607 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEnever evaluated
*a != retDescription
TRUEnever evaluated
FALSEnever evaluated
0-2607
70 EVP_PKEY_free(ret);
executed 2607 times by 1 test: EVP_PKEY_free(ret);
Executed by:
  • libcrypto.so.1.1
2607
71 return NULL;
executed 2607 times by 1 test: return ((void *)0) ;
Executed by:
  • libcrypto.so.1.1
2607
72}-
73-
74/*-
75 * This works like d2i_PrivateKey() except it automatically works out the-
76 * type-
77 */-
78-
79EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,-
80 long length)-
81{-
82 STACK_OF(ASN1_TYPE) *inkey;-
83 const unsigned char *p;-
84 int keytype;-
85 p = *pp;-
86 /*-
87 * Dirty trick: read in the ASN1 data into a STACK_OF(ASN1_TYPE): by-
88 * analyzing it we can determine the passed structure: this assumes the-
89 * input is surrounded by an ASN1 SEQUENCE.-
90 */-
91 inkey = d2i_ASN1_SEQUENCE_ANY(NULL, &p, length);-
92 p = *pp;-
93 /*-
94 * Since we only need to discern "traditional format" RSA and DSA keys we-
95 * can just count the elements.-
96 */-
97 if (sk_ASN1_TYPE_num(inkey) == 6)
sk_ASN1_TYPE_num(inkey) == 6Description
TRUEevaluated 34 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 3305 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
34-3305
98 keytype = EVP_PKEY_DSA;
executed 34 times by 1 test: keytype = 116;
Executed by:
  • libcrypto.so.1.1
34
99 else if (sk_ASN1_TYPE_num(inkey) == 4)
sk_ASN1_TYPE_num(inkey) == 4Description
TRUEevaluated 249 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 3056 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
249-3056
100 keytype = EVP_PKEY_EC;
executed 249 times by 1 test: keytype = 408;
Executed by:
  • libcrypto.so.1.1
249
101 else if (sk_ASN1_TYPE_num(inkey) == 3) { /* This seems to be PKCS8, not
sk_ASN1_TYPE_num(inkey) == 3Description
TRUEevaluated 626 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 2430 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
626-2430
102 * traditional format */-
103 PKCS8_PRIV_KEY_INFO *p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, length);-
104 EVP_PKEY *ret;-
105-
106 sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free);-
107 if (!p8) {
!p8Description
TRUEevaluated 611 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 15 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
15-611
108 ASN1err(ASN1_F_D2I_AUTOPRIVATEKEY,-
109 ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);-
110 return NULL;
executed 611 times by 1 test: return ((void *)0) ;
Executed by:
  • libcrypto.so.1.1
611
111 }-
112 ret = EVP_PKCS82PKEY(p8);-
113 PKCS8_PRIV_KEY_INFO_free(p8);-
114 if (ret == NULL)
ret == ((void *)0)Description
TRUEevaluated 11 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
4-11
115 return NULL;
executed 11 times by 1 test: return ((void *)0) ;
Executed by:
  • libcrypto.so.1.1
11
116 *pp = p;-
117 if (a) {
aDescription
TRUEnever evaluated
FALSEevaluated 4 times by 1 test
Evaluated by:
  • libcrypto.so.1.1
0-4
118 *a = ret;-
119 }
never executed: end of block
0
120 return ret;
executed 4 times by 1 test: return ret;
Executed by:
  • libcrypto.so.1.1
4
121 } else-
122 keytype = EVP_PKEY_RSA;
executed 2430 times by 1 test: keytype = 6;
Executed by:
  • libcrypto.so.1.1
2430
123 sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free);-
124 return d2i_PrivateKey(keytype, a, pp, length);
executed 2713 times by 1 test: return d2i_PrivateKey(keytype, a, pp, length);
Executed by:
  • libcrypto.so.1.1
2713
125}-
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