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author | jsing <> | 2014-04-18 07:09:23 +0000 |
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committer | jsing <> | 2014-04-18 07:09:23 +0000 |
commit | 47f3f755de44fe72026c26b61f3534245e51ce63 (patch) | |
tree | 530ccfa4465ec1e141f16ac55eccd5e456d9dadf /src/lib/libcrypto/asn1/a_enum.c | |
parent | f843014abcc7498613638ca7bdc47b3123ea2544 (diff) | |
download | openbsd-47f3f755de44fe72026c26b61f3534245e51ce63.tar.gz openbsd-47f3f755de44fe72026c26b61f3534245e51ce63.tar.bz2 openbsd-47f3f755de44fe72026c26b61f3534245e51ce63.zip |
More KNF.
Diffstat (limited to 'src/lib/libcrypto/asn1/a_enum.c')
-rw-r--r-- | src/lib/libcrypto/asn1/a_enum.c | 141 |
1 files changed, 76 insertions, 65 deletions
diff --git a/src/lib/libcrypto/asn1/a_enum.c b/src/lib/libcrypto/asn1/a_enum.c index 70cea0aad2..5e6f7589cf 100644 --- a/src/lib/libcrypto/asn1/a_enum.c +++ b/src/lib/libcrypto/asn1/a_enum.c | |||
@@ -5,21 +5,21 @@ | |||
5 | * This package is an SSL implementation written | 5 | * This package is an SSL implementation written |
6 | * by Eric Young (eay@cryptsoft.com). | 6 | * by Eric Young (eay@cryptsoft.com). |
7 | * The implementation was written so as to conform with Netscapes SSL. | 7 | * The implementation was written so as to conform with Netscapes SSL. |
8 | * | 8 | * |
9 | * This library is free for commercial and non-commercial use as long as | 9 | * This library is free for commercial and non-commercial use as long as |
10 | * the following conditions are aheared to. The following conditions | 10 | * the following conditions are aheared to. The following conditions |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | 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 | 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 | 13 | * included with this distribution is covered by the same copyright terms |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
15 | * | 15 | * |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | * the code are not to be removed. | 17 | * the code are not to be removed. |
18 | * If this package is used in a product, Eric Young should be given attribution | 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. | 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 | 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. | 21 | * in documentation (online or textual) provided with the package. |
22 | * | 22 | * |
23 | * Redistribution and use in source and binary forms, with or without | 23 | * Redistribution and use in source and binary forms, with or without |
24 | * modification, are permitted provided that the following conditions | 24 | * modification, are permitted provided that the following conditions |
25 | * are met: | 25 | * are met: |
@@ -34,10 +34,10 @@ | |||
34 | * Eric Young (eay@cryptsoft.com)" | 34 | * Eric Young (eay@cryptsoft.com)" |
35 | * The word 'cryptographic' can be left out if the rouines from the library | 35 | * The word 'cryptographic' can be left out if the rouines from the library |
36 | * being used are not cryptographic related :-). | 36 | * being used are not cryptographic related :-). |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | 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: | 38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
40 | * | 40 | * |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
@@ -49,7 +49,7 @@ | |||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 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 | 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
51 | * SUCH DAMAGE. | 51 | * SUCH DAMAGE. |
52 | * | 52 | * |
53 | * The licence and distribution terms for any publically available version or | 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 | 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
55 | * copied and put under another distribution licence | 55 | * copied and put under another distribution licence |
@@ -61,114 +61,125 @@ | |||
61 | #include <openssl/asn1.h> | 61 | #include <openssl/asn1.h> |
62 | #include <openssl/bn.h> | 62 | #include <openssl/bn.h> |
63 | 63 | ||
64 | /* | 64 | /* |
65 | * Code for ENUMERATED type: identical to INTEGER apart from a different tag. | 65 | * Code for ENUMERATED type: identical to INTEGER apart from a different tag. |
66 | * for comments on encoding see a_int.c | 66 | * for comments on encoding see a_int.c |
67 | */ | 67 | */ |
68 | 68 | ||
69 | int ASN1_ENUMERATED_set(ASN1_ENUMERATED *a, long v) | 69 | int |
70 | ASN1_ENUMERATED_set(ASN1_ENUMERATED *a, long v) | ||
70 | { | 71 | { |
71 | int j,k; | 72 | int j, k; |
72 | unsigned int i; | 73 | unsigned int i; |
73 | unsigned char buf[sizeof(long)+1]; | 74 | unsigned char buf[sizeof(long) + 1]; |
74 | long d; | 75 | long d; |
75 | 76 | ||
76 | a->type=V_ASN1_ENUMERATED; | 77 | a->type = V_ASN1_ENUMERATED; |
77 | if (a->length < (int)(sizeof(long)+1)) { | 78 | if (a->length < (int)(sizeof(long) + 1)) { |
78 | if (a->data != NULL) | 79 | if (a->data != NULL) |
79 | free(a->data); | 80 | free(a->data); |
80 | if ((a->data=(unsigned char *)malloc(sizeof(long)+1)) != NULL) | 81 | if ((a->data = (unsigned char *)malloc(sizeof(long) + 1)) != NULL) |
81 | memset((char *)a->data,0,sizeof(long)+1); | 82 | memset((char *)a->data, 0, sizeof(long) + 1); |
82 | } | 83 | } |
83 | if (a->data == NULL) { | 84 | if (a->data == NULL) { |
84 | ASN1err(ASN1_F_ASN1_ENUMERATED_SET,ERR_R_MALLOC_FAILURE); | 85 | ASN1err(ASN1_F_ASN1_ENUMERATED_SET, ERR_R_MALLOC_FAILURE); |
85 | return(0); | 86 | return (0); |
86 | } | 87 | } |
87 | d=v; | 88 | d = v; |
88 | if (d < 0) { | 89 | if (d < 0) { |
89 | d= -d; | 90 | d = -d; |
90 | a->type=V_ASN1_NEG_ENUMERATED; | 91 | a->type = V_ASN1_NEG_ENUMERATED; |
91 | } | 92 | } |
92 | 93 | ||
93 | for (i=0; i<sizeof(long); i++) { | 94 | for (i = 0; i < sizeof(long); i++) { |
94 | if (d == 0) break; | 95 | if (d == 0) |
95 | buf[i]=(int)d&0xff; | 96 | break; |
96 | d>>=8; | 97 | buf[i] = (int)d & 0xff; |
98 | d >>= 8; | ||
97 | } | 99 | } |
98 | j=0; | 100 | j = 0; |
99 | for (k=i-1; k >=0; k--) | 101 | for (k = i - 1; k >=0; k--) |
100 | a->data[j++]=buf[k]; | 102 | a->data[j++] = buf[k]; |
101 | a->length=j; | 103 | a->length = j; |
102 | return(1); | 104 | return (1); |
103 | } | 105 | } |
104 | 106 | ||
105 | long ASN1_ENUMERATED_get(ASN1_ENUMERATED *a) | 107 | long |
108 | ASN1_ENUMERATED_get(ASN1_ENUMERATED *a) | ||
106 | { | 109 | { |
107 | int neg=0,i; | 110 | int neg = 0, i; |
108 | long r=0; | 111 | long r = 0; |
109 | 112 | ||
110 | if (a == NULL) return(0L); | 113 | if (a == NULL) |
111 | i=a->type; | 114 | return (0L); |
115 | i = a->type; | ||
112 | if (i == V_ASN1_NEG_ENUMERATED) | 116 | if (i == V_ASN1_NEG_ENUMERATED) |
113 | neg=1; | 117 | neg = 1; |
114 | else if (i != V_ASN1_ENUMERATED) | 118 | else if (i != V_ASN1_ENUMERATED) |
115 | return -1; | 119 | return -1; |
116 | 120 | ||
117 | if (a->length > (int)sizeof(long)) { | 121 | if (a->length > (int)sizeof(long)) { |
118 | /* hmm... a bit ugly */ | 122 | /* hmm... a bit ugly */ |
119 | return(0xffffffffL); | 123 | return (0xffffffffL); |
120 | } | 124 | } |
121 | if (a->data == NULL) | 125 | if (a->data == NULL) |
122 | return 0; | 126 | return 0; |
123 | 127 | ||
124 | for (i=0; i<a->length; i++) { | 128 | for (i = 0; i < a->length; i++) { |
125 | r<<=8; | 129 | r <<= 8; |
126 | r|=(unsigned char)a->data[i]; | 130 | r |= (unsigned char)a->data[i]; |
127 | } | 131 | } |
128 | if (neg) r= -r; | 132 | if (neg) |
129 | return(r); | 133 | r = -r; |
134 | return (r); | ||
130 | } | 135 | } |
131 | 136 | ||
132 | ASN1_ENUMERATED *BN_to_ASN1_ENUMERATED(BIGNUM *bn, ASN1_ENUMERATED *ai) | 137 | ASN1_ENUMERATED * |
138 | BN_to_ASN1_ENUMERATED(BIGNUM *bn, ASN1_ENUMERATED *ai) | ||
133 | { | 139 | { |
134 | ASN1_ENUMERATED *ret; | 140 | ASN1_ENUMERATED *ret; |
135 | int len,j; | 141 | int len, j; |
136 | 142 | ||
137 | if (ai == NULL) | 143 | if (ai == NULL) |
138 | ret=M_ASN1_ENUMERATED_new(); | 144 | ret = M_ASN1_ENUMERATED_new(); |
139 | else | 145 | else |
140 | ret=ai; | 146 | ret = ai; |
141 | if (ret == NULL) { | 147 | if (ret == NULL) { |
142 | ASN1err(ASN1_F_BN_TO_ASN1_ENUMERATED,ERR_R_NESTED_ASN1_ERROR); | 148 | ASN1err(ASN1_F_BN_TO_ASN1_ENUMERATED, ERR_R_NESTED_ASN1_ERROR); |
143 | goto err; | 149 | goto err; |
144 | } | 150 | } |
145 | if(BN_is_negative(bn)) ret->type = V_ASN1_NEG_ENUMERATED; | 151 | if (BN_is_negative(bn)) |
146 | else ret->type=V_ASN1_ENUMERATED; | 152 | ret->type = V_ASN1_NEG_ENUMERATED; |
147 | j=BN_num_bits(bn); | 153 | else |
148 | len=((j == 0)?0:((j/8)+1)); | 154 | ret->type = V_ASN1_ENUMERATED; |
149 | if (ret->length < len+4) { | 155 | j = BN_num_bits(bn); |
150 | unsigned char *new_data=realloc(ret->data, len+4); | 156 | len = ((j == 0) ? 0 : ((j / 8) + 1)); |
151 | if (!new_data) | 157 | if (ret->length < len + 4) { |
152 | { | 158 | unsigned char *new_data = realloc(ret->data, len + 4); |
153 | ASN1err(ASN1_F_BN_TO_ASN1_ENUMERATED,ERR_R_MALLOC_FAILURE); | 159 | if (!new_data) { |
160 | ASN1err(ASN1_F_BN_TO_ASN1_ENUMERATED, ERR_R_MALLOC_FAILURE); | ||
154 | goto err; | 161 | goto err; |
155 | } | 162 | } |
156 | ret->data=new_data; | 163 | ret->data = new_data; |
157 | } | 164 | } |
158 | 165 | ||
159 | ret->length=BN_bn2bin(bn,ret->data); | 166 | ret->length = BN_bn2bin(bn, ret->data); |
160 | return(ret); | 167 | return (ret); |
168 | |||
161 | err: | 169 | err: |
162 | if (ret != ai) M_ASN1_ENUMERATED_free(ret); | 170 | if (ret != ai) |
163 | return(NULL); | 171 | M_ASN1_ENUMERATED_free(ret); |
172 | return (NULL); | ||
164 | } | 173 | } |
165 | 174 | ||
166 | BIGNUM *ASN1_ENUMERATED_to_BN(ASN1_ENUMERATED *ai, BIGNUM *bn) | 175 | BIGNUM * |
176 | ASN1_ENUMERATED_to_BN(ASN1_ENUMERATED *ai, BIGNUM *bn) | ||
167 | { | 177 | { |
168 | BIGNUM *ret; | 178 | BIGNUM *ret; |
169 | 179 | ||
170 | if ((ret=BN_bin2bn(ai->data,ai->length,bn)) == NULL) | 180 | if ((ret = BN_bin2bn(ai->data, ai->length, bn)) == NULL) |
171 | ASN1err(ASN1_F_ASN1_ENUMERATED_TO_BN,ASN1_R_BN_LIB); | 181 | ASN1err(ASN1_F_ASN1_ENUMERATED_TO_BN, ASN1_R_BN_LIB); |
172 | else if(ai->type == V_ASN1_NEG_ENUMERATED) BN_set_negative(ret,1); | 182 | else if (ai->type == V_ASN1_NEG_ENUMERATED) |
173 | return(ret); | 183 | BN_set_negative(ret, 1); |
184 | return (ret); | ||
174 | } | 185 | } |