diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/asn_pack.c')
-rw-r--r-- | src/lib/libcrypto/asn1/asn_pack.c | 112 |
1 files changed, 3 insertions, 109 deletions
diff --git a/src/lib/libcrypto/asn1/asn_pack.c b/src/lib/libcrypto/asn1/asn_pack.c index 1a5420e42b..090beff0f0 100644 --- a/src/lib/libcrypto/asn1/asn_pack.c +++ b/src/lib/libcrypto/asn1/asn_pack.c | |||
@@ -1,4 +1,4 @@ | |||
1 | /* $OpenBSD: asn_pack.c,v 1.17 2018/04/25 11:48:21 tb Exp $ */ | 1 | /* $OpenBSD: asn_pack.c,v 1.18 2018/10/24 17:57:22 jsing Exp $ */ |
2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | 2 | /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
3 | * project 1999. | 3 | * project 1999. |
4 | */ | 4 | */ |
@@ -61,112 +61,7 @@ | |||
61 | #include <openssl/asn1.h> | 61 | #include <openssl/asn1.h> |
62 | #include <openssl/err.h> | 62 | #include <openssl/err.h> |
63 | 63 | ||
64 | #ifndef NO_ASN1_OLD | 64 | /* Pack an ASN1 object into an ASN1_STRING. */ |
65 | |||
66 | /* ASN1 packing and unpacking functions */ | ||
67 | |||
68 | /* Turn an ASN1 encoded SEQUENCE OF into a STACK of structures */ | ||
69 | |||
70 | STACK_OF(OPENSSL_BLOCK) * | ||
71 | ASN1_seq_unpack(const unsigned char *buf, int len, d2i_of_void *d2i, | ||
72 | void (*free_func)(OPENSSL_BLOCK)) | ||
73 | { | ||
74 | STACK_OF(OPENSSL_BLOCK) *sk; | ||
75 | const unsigned char *pbuf; | ||
76 | |||
77 | pbuf = buf; | ||
78 | if (!(sk = d2i_ASN1_SET(NULL, &pbuf, len, d2i, free_func, | ||
79 | V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL))) | ||
80 | ASN1error(ASN1_R_DECODE_ERROR); | ||
81 | return sk; | ||
82 | } | ||
83 | |||
84 | /* Turn a STACK structures into an ASN1 encoded SEQUENCE OF structure in a | ||
85 | * OPENSSL_malloc'ed buffer | ||
86 | */ | ||
87 | |||
88 | unsigned char * | ||
89 | ASN1_seq_pack(STACK_OF(OPENSSL_BLOCK) *safes, i2d_of_void *i2d, | ||
90 | unsigned char **buf, int *len) | ||
91 | { | ||
92 | int safelen; | ||
93 | unsigned char *safe, *p; | ||
94 | |||
95 | if (!(safelen = i2d_ASN1_SET(safes, NULL, i2d, V_ASN1_SEQUENCE, | ||
96 | V_ASN1_UNIVERSAL, IS_SEQUENCE))) { | ||
97 | ASN1error(ASN1_R_ENCODE_ERROR); | ||
98 | return NULL; | ||
99 | } | ||
100 | if (!(safe = malloc(safelen))) { | ||
101 | ASN1error(ERR_R_MALLOC_FAILURE); | ||
102 | return NULL; | ||
103 | } | ||
104 | p = safe; | ||
105 | i2d_ASN1_SET(safes, &p, i2d, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, | ||
106 | IS_SEQUENCE); | ||
107 | if (len) | ||
108 | *len = safelen; | ||
109 | if (buf) | ||
110 | *buf = safe; | ||
111 | return safe; | ||
112 | } | ||
113 | |||
114 | /* Extract an ASN1 object from an ASN1_STRING */ | ||
115 | |||
116 | void * | ||
117 | ASN1_unpack_string(ASN1_STRING *oct, d2i_of_void *d2i) | ||
118 | { | ||
119 | const unsigned char *p; | ||
120 | char *ret; | ||
121 | |||
122 | p = oct->data; | ||
123 | if (!(ret = d2i(NULL, &p, oct->length))) | ||
124 | ASN1error(ASN1_R_DECODE_ERROR); | ||
125 | return ret; | ||
126 | } | ||
127 | |||
128 | /* Pack an ASN1 object into an ASN1_STRING */ | ||
129 | |||
130 | ASN1_STRING * | ||
131 | ASN1_pack_string(void *obj, i2d_of_void *i2d, ASN1_STRING **oct) | ||
132 | { | ||
133 | unsigned char *p; | ||
134 | ASN1_STRING *octmp; | ||
135 | |||
136 | if (!oct || !*oct) { | ||
137 | if (!(octmp = ASN1_STRING_new())) { | ||
138 | ASN1error(ERR_R_MALLOC_FAILURE); | ||
139 | return NULL; | ||
140 | } | ||
141 | } else | ||
142 | octmp = *oct; | ||
143 | |||
144 | if (!(octmp->length = i2d(obj, NULL))) { | ||
145 | ASN1error(ASN1_R_ENCODE_ERROR); | ||
146 | goto err; | ||
147 | } | ||
148 | if (!(p = malloc (octmp->length))) { | ||
149 | ASN1error(ERR_R_MALLOC_FAILURE); | ||
150 | goto err; | ||
151 | } | ||
152 | octmp->data = p; | ||
153 | i2d (obj, &p); | ||
154 | if (oct) | ||
155 | *oct = octmp; | ||
156 | return octmp; | ||
157 | err: | ||
158 | if (!oct || octmp != *oct) { | ||
159 | ASN1_STRING_free(octmp); | ||
160 | if (oct) | ||
161 | *oct = NULL; | ||
162 | } | ||
163 | return NULL; | ||
164 | } | ||
165 | |||
166 | #endif | ||
167 | |||
168 | /* ASN1_ITEM versions of the above */ | ||
169 | |||
170 | ASN1_STRING * | 65 | ASN1_STRING * |
171 | ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_STRING **oct) | 66 | ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_STRING **oct) |
172 | { | 67 | { |
@@ -200,8 +95,7 @@ err: | |||
200 | return NULL; | 95 | return NULL; |
201 | } | 96 | } |
202 | 97 | ||
203 | /* Extract an ASN1 object from an ASN1_STRING */ | 98 | /* Extract an ASN1 object from an ASN1_STRING. */ |
204 | |||
205 | void * | 99 | void * |
206 | ASN1_item_unpack(const ASN1_STRING *oct, const ASN1_ITEM *it) | 100 | ASN1_item_unpack(const ASN1_STRING *oct, const ASN1_ITEM *it) |
207 | { | 101 | { |