OpenCoverage

pem_pkey.c

Absolute File Name:/home/opencoverage/opencoverage/guest-scripts/libressl/src/crypto/pem/pem_pkey.c
Source codeSwitch to Preprocessed file
LineSourceCount
1/* $OpenBSD: pem_pkey.c,v 1.23 2017/05/02 03:59:44 deraadt Exp $ */-
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)-
3 * All rights reserved.-
4 *-
5 * This package is an SSL implementation written-
6 * by Eric Young (eay@cryptsoft.com).-
7 * The implementation was written so as to conform with Netscapes SSL.-
8 *-
9 * This library is free for commercial and non-commercial use as long as-
10 * the following conditions are aheared to. The following conditions-
11 * apply to all code found in this distribution, be it the RC4, RSA,-
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation-
13 * included with this distribution is covered by the same copyright terms-
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).-
15 *-
16 * Copyright remains Eric Young's, and as such any Copyright notices in-
17 * the code are not to be removed.-
18 * If this package is used in a product, Eric Young should be given attribution-
19 * as the author of the parts of the library used.-
20 * This can be in the form of a textual message at program startup or-
21 * in documentation (online or textual) provided with the package.-
22 *-
23 * Redistribution and use in source and binary forms, with or without-
24 * modification, are permitted provided that the following conditions-
25 * are met:-
26 * 1. Redistributions of source code must retain the copyright-
27 * notice, this list of conditions and the following disclaimer.-
28 * 2. Redistributions in binary form must reproduce the above copyright-
29 * notice, this list of conditions and the following disclaimer in the-
30 * documentation and/or other materials provided with the distribution.-
31 * 3. All advertising materials mentioning features or use of this software-
32 * must display the following acknowledgement:-
33 * "This product includes cryptographic software written by-
34 * Eric Young (eay@cryptsoft.com)"-
35 * The word 'cryptographic' can be left out if the rouines from the library-
36 * being used are not cryptographic related :-).-
37 * 4. If you include any Windows specific code (or a derivative thereof) from-
38 * the apps directory (application code) you must include an acknowledgement:-
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"-
40 *-
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND-
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE-
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE-
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE-
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL-
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS-
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)-
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT-
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY-
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF-
51 * SUCH DAMAGE.-
52 *-
53 * The licence and distribution terms for any publically available version or-
54 * derivative of this code cannot be changed. i.e. this code cannot simply be-
55 * copied and put under another distribution licence-
56 * [including the GNU Public Licence.]-
57 */-
58-
59#include <stdio.h>-
60#include <string.h>-
61-
62#include <openssl/opensslconf.h>-
63-
64#include <openssl/buffer.h>-
65#include <openssl/err.h>-
66#include <openssl/evp.h>-
67#include <openssl/objects.h>-
68#include <openssl/pem.h>-
69#include <openssl/pkcs12.h>-
70#include <openssl/x509.h>-
71-
72#ifndef OPENSSL_NO_ENGINE-
73#include <openssl/engine.h>-
74#endif-
75-
76#include "asn1_locl.h"-
77-
78int pem_check_suffix(const char *pem_str, const char *suffix);-
79-
80EVP_PKEY *-
81PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)-
82{-
83 char *nm = NULL;-
84 const unsigned char *p = NULL;-
85 unsigned char *data = NULL;-
86 long len;-
87 int slen;-
88 EVP_PKEY *ret = NULL;-
89-
90 if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY,
!PEM_bytes_rea...Y", bp, cb, u)Description
TRUEnever evaluated
FALSEevaluated 65 times by 5 tests
Evaluated by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
0-65
91 bp, cb, u))
!PEM_bytes_rea...Y", bp, cb, u)Description
TRUEnever evaluated
FALSEevaluated 65 times by 5 tests
Evaluated by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
0-65
92 return NULL;
never executed: return ((void *)0) ;
0
93 p = data;-
94-
95 if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) {
never executed: __result = (((const unsigned char *) (const char *) ( nm ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "PRIVATE KEY" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
FALSEevaluated 65 times by 5 tests
Evaluated by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-65
96 PKCS8_PRIV_KEY_INFO *p8inf;-
97 p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);-
98 if (!p8inf)
!p8infDescription
TRUEnever evaluated
FALSEnever evaluated
0
99 goto p8err;
never executed: goto p8err;
0
100 ret = EVP_PKCS82PKEY(p8inf);-
101 if (x) {
xDescription
TRUEnever evaluated
FALSEnever evaluated
0
102 EVP_PKEY_free(*x);-
103 *x = ret;-
104 }
never executed: end of block
0
105 PKCS8_PRIV_KEY_INFO_free(p8inf);-
106 } else if (strcmp(nm, PEM_STRING_PKCS8) == 0) {
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( nm ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
never executed: __result = (((const unsigned char *) (const char *) ( "ENCRYPTED PRIVATE KEY" ))[3] - __s2[3]);
never executed: end of block
never executed: end of block
__extension__ ... )))); }) == 0Description
TRUEnever evaluated
FALSEevaluated 65 times by 5 tests
Evaluated by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
__s1_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s1_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 0Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 1Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
__s2_len > 2Description
TRUEnever evaluated
FALSEnever evaluated
__result == 0Description
TRUEnever evaluated
FALSEnever evaluated
0-65
107 PKCS8_PRIV_KEY_INFO *p8inf;-
108 X509_SIG *p8;-
109 int klen;-
110 char psbuf[PEM_BUFSIZE];-
111 p8 = d2i_X509_SIG(NULL, &p, len);-
112 if (!p8)
!p8Description
TRUEnever evaluated
FALSEnever evaluated
0
113 goto p8err;
never executed: goto p8err;
0
114 if (cb)
cbDescription
TRUEnever evaluated
FALSEnever evaluated
0
115 klen = cb(psbuf, PEM_BUFSIZE, 0, u);
never executed: klen = cb(psbuf, 1024, 0, u);
0
116 else-
117 klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
never executed: klen = PEM_def_callback(psbuf, 1024, 0, u);
0
118 if (klen <= 0) {
klen <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
119 PEMerror(PEM_R_BAD_PASSWORD_READ);-
120 X509_SIG_free(p8);-
121 goto err;
never executed: goto err;
0
122 }-
123 p8inf = PKCS8_decrypt(p8, psbuf, klen);-
124 X509_SIG_free(p8);-
125 if (!p8inf)
!p8infDescription
TRUEnever evaluated
FALSEnever evaluated
0
126 goto p8err;
never executed: goto p8err;
0
127 ret = EVP_PKCS82PKEY(p8inf);-
128 if (x) {
xDescription
TRUEnever evaluated
FALSEnever evaluated
0
129 EVP_PKEY_free(*x);-
130 *x = ret;-
131 }
never executed: end of block
0
132 PKCS8_PRIV_KEY_INFO_free(p8inf);-
133 } else if ((slen = pem_check_suffix(nm, "PRIVATE KEY")) > 0) {
never executed: end of block
(slen = pem_ch...ATE KEY")) > 0Description
TRUEevaluated 65 times by 5 tests
Evaluated by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
FALSEnever evaluated
0-65
134 const EVP_PKEY_ASN1_METHOD *ameth;-
135 ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen);-
136 if (!ameth || !ameth->old_priv_decode)
!amethDescription
TRUEnever evaluated
FALSEevaluated 65 times by 5 tests
Evaluated by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
!ameth->old_priv_decodeDescription
TRUEnever evaluated
FALSEevaluated 65 times by 5 tests
Evaluated by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
0-65
137 goto p8err;
never executed: goto p8err;
0
138 ret = d2i_PrivateKey(ameth->pkey_id, x, &p, len);-
139 }
executed 65 times by 5 tests: end of block
Executed by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
65
140-
141p8err:
code before this statement executed 65 times by 5 tests: p8err:
Executed by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
65
142 if (ret == NULL)
ret == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 65 times by 5 tests
Evaluated by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
0-65
143 PEMerror(ERR_R_ASN1_LIB);
never executed: ERR_put_error(9,(0xfff),(13),__FILE__,143);
0
144err:
code before this statement executed 65 times by 5 tests: err:
Executed by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
65
145 free(nm);-
146 freezero(data, len);-
147 return (ret);
executed 65 times by 5 tests: return (ret);
Executed by:
  • libcrypto.so.44.0.1
  • pkcs7test
  • servertest
  • ssltest
  • tlstest
65
148}-
149-
150int-
151PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,-
152 unsigned char *kstr, int klen, pem_password_cb *cb, void *u)-
153{-
154 char pem_str[80];-
155-
156 if (!x->ameth || x->ameth->priv_encode)
!x->amethDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
x->ameth->priv_encodeDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
0-1
157 return PEM_write_bio_PKCS8PrivateKey(bp, x, enc,
executed 1 time by 1 test: return PEM_write_bio_PKCS8PrivateKey(bp, x, enc, (char *)kstr, klen, cb, u);
Executed by:
  • libcrypto.so.44.0.1
1
158 (char *)kstr, klen, cb, u);
executed 1 time by 1 test: return PEM_write_bio_PKCS8PrivateKey(bp, x, enc, (char *)kstr, klen, cb, u);
Executed by:
  • libcrypto.so.44.0.1
1
159-
160 (void) snprintf(pem_str, sizeof(pem_str), "%s PRIVATE KEY",-
161 x->ameth->pem_str);-
162 return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey,
never executed: return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey, pem_str, bp, x, enc, kstr, klen, cb, u);
0
163 pem_str, bp, x, enc, kstr, klen, cb, u);
never executed: return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey, pem_str, bp, x, enc, kstr, klen, cb, u);
0
164}-
165-
166EVP_PKEY *-
167PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x)-
168{-
169 char *nm = NULL;-
170 const unsigned char *p = NULL;-
171 unsigned char *data = NULL;-
172 long len;-
173 int slen;-
174 EVP_PKEY *ret = NULL;-
175-
176 if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_PARAMETERS,
!PEM_bytes_rea... ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
177 bp, 0, NULL))
!PEM_bytes_rea... ((void *)0) )Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
178 return NULL;
never executed: return ((void *)0) ;
0
179 p = data;-
180-
181 if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0) {
(slen = pem_ch...AMETERS")) > 0Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
FALSEnever evaluated
0-1
182 ret = EVP_PKEY_new();-
183 if (!ret)
!retDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
184 goto err;
never executed: goto err;
0
185 if (!EVP_PKEY_set_type_str(ret, nm, slen) ||
!EVP_PKEY_set_...ret, nm, slen)Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
186 !ret->ameth->param_decode ||
!ret->ameth->param_decodeDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
187 !ret->ameth->param_decode(ret, &p, len)) {
!ret->ameth->p...(ret, &p, len)Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
188 EVP_PKEY_free(ret);-
189 ret = NULL;-
190 goto err;
never executed: goto err;
0
191 }-
192 if (x) {
xDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
193 EVP_PKEY_free(*x);-
194 *x = ret;-
195 }
never executed: end of block
0
196 }
executed 1 time by 1 test: end of block
Executed by:
  • libcrypto.so.44.0.1
1
197-
198err:
code before this statement executed 1 time by 1 test: err:
Executed by:
  • libcrypto.so.44.0.1
1
199 if (ret == NULL)
ret == ((void *)0)Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
200 PEMerror(ERR_R_ASN1_LIB);
never executed: ERR_put_error(9,(0xfff),(13),__FILE__,200);
0
201 free(nm);-
202 free(data);-
203 return (ret);
executed 1 time by 1 test: return (ret);
Executed by:
  • libcrypto.so.44.0.1
1
204}-
205-
206int-
207PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x)-
208{-
209 char pem_str[80];-
210-
211 if (!x->ameth || !x->ameth->param_encode)
!x->amethDescription
TRUEnever evaluated
FALSEnever evaluated
!x->ameth->param_encodeDescription
TRUEnever evaluated
FALSEnever evaluated
0
212 return 0;
never executed: return 0;
0
213-
214 (void) snprintf(pem_str, sizeof(pem_str), "%s PARAMETERS",-
215 x->ameth->pem_str);-
216 return PEM_ASN1_write_bio((i2d_of_void *)x->ameth->param_encode,
never executed: return PEM_ASN1_write_bio((i2d_of_void *)x->ameth->param_encode, pem_str, bp, x, ((void *)0) , ((void *)0) , 0, 0, ((void *)0) );
0
217 pem_str, bp, x, NULL, NULL, 0, 0, NULL);
never executed: return PEM_ASN1_write_bio((i2d_of_void *)x->ameth->param_encode, pem_str, bp, x, ((void *)0) , ((void *)0) , 0, 0, ((void *)0) );
0
218}-
219-
220EVP_PKEY *-
221PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)-
222{-
223 BIO *b;-
224 EVP_PKEY *ret;-
225-
226 if ((b = BIO_new(BIO_s_file())) == NULL) {
(b = BIO_new(B...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
227 PEMerror(ERR_R_BUF_LIB);-
228 return (0);
never executed: return (0);
0
229 }-
230 BIO_set_fp(b, fp, BIO_NOCLOSE);-
231 ret = PEM_read_bio_PrivateKey(b, x, cb, u);-
232 BIO_free(b);-
233 return (ret);
never executed: return (ret);
0
234}-
235-
236int-
237PEM_write_PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,-
238 unsigned char *kstr, int klen, pem_password_cb *cb, void *u)-
239{-
240 BIO *b;-
241 int ret;-
242-
243 if ((b = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
(b = BIO_new_f...== ((void *)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
244 PEMerror(ERR_R_BUF_LIB);-
245 return 0;
never executed: return 0;
0
246 }-
247 ret = PEM_write_bio_PrivateKey(b, x, enc, kstr, klen, cb, u);-
248 BIO_free(b);-
249 return ret;
never executed: return ret;
0
250}-
251-
Source codeSwitch to Preprocessed file
Generated by Squish Coco 4.2.2