diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/f_int.c')
-rw-r--r-- | src/lib/libcrypto/asn1/f_int.c | 173 |
1 files changed, 96 insertions, 77 deletions
diff --git a/src/lib/libcrypto/asn1/f_int.c b/src/lib/libcrypto/asn1/f_int.c index 6cea1f8485..f355dbacbe 100644 --- a/src/lib/libcrypto/asn1/f_int.c +++ b/src/lib/libcrypto/asn1/f_int.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 |
@@ -61,132 +61,151 @@ | |||
61 | #include <openssl/buffer.h> | 61 | #include <openssl/buffer.h> |
62 | #include <openssl/asn1.h> | 62 | #include <openssl/asn1.h> |
63 | 63 | ||
64 | int i2a_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *a) | 64 | int |
65 | i2a_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *a) | ||
65 | { | 66 | { |
66 | int i,n=0; | 67 | int i, n = 0; |
67 | static const char *h="0123456789ABCDEF"; | 68 | static const char *h = "0123456789ABCDEF"; |
68 | char buf[2]; | 69 | char buf[2]; |
69 | 70 | ||
70 | if (a == NULL) return(0); | 71 | if (a == NULL) |
72 | return (0); | ||
71 | 73 | ||
72 | if (a->type & V_ASN1_NEG) { | 74 | if (a->type & V_ASN1_NEG) { |
73 | if (BIO_write(bp, "-", 1) != 1) goto err; | 75 | if (BIO_write(bp, "-", 1) != 1) |
76 | goto err; | ||
74 | n = 1; | 77 | n = 1; |
75 | } | 78 | } |
76 | 79 | ||
77 | if (a->length == 0) { | 80 | if (a->length == 0) { |
78 | if (BIO_write(bp,"00",2) != 2) goto err; | 81 | if (BIO_write(bp, "00", 2) != 2) |
82 | goto err; | ||
79 | n += 2; | 83 | n += 2; |
80 | } else { | 84 | } else { |
81 | for (i=0; i<a->length; i++) { | 85 | for (i = 0; i < a->length; i++) { |
82 | if ((i != 0) && (i%35 == 0)) { | 86 | if ((i != 0) && (i % 35 == 0)) { |
83 | if (BIO_write(bp,"\\\n",2) != 2) goto err; | 87 | if (BIO_write(bp, "\\\n", 2) != 2) |
84 | n+=2; | 88 | goto err; |
89 | n += 2; | ||
85 | } | 90 | } |
86 | buf[0]=h[((unsigned char)a->data[i]>>4)&0x0f]; | 91 | buf[0] = h[((unsigned char)a->data[i] >> 4) & 0x0f]; |
87 | buf[1]=h[((unsigned char)a->data[i] )&0x0f]; | 92 | buf[1] = h[((unsigned char)a->data[i]) & 0x0f]; |
88 | if (BIO_write(bp,buf,2) != 2) goto err; | 93 | if (BIO_write(bp, buf, 2) != 2) |
89 | n+=2; | 94 | goto err; |
95 | n += 2; | ||
90 | } | 96 | } |
91 | } | 97 | } |
92 | return(n); | 98 | return (n); |
99 | |||
93 | err: | 100 | err: |
94 | return(-1); | 101 | return (-1); |
95 | } | 102 | } |
96 | 103 | ||
97 | int a2i_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *bs, char *buf, int size) | 104 | int |
105 | a2i_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *bs, char *buf, int size) | ||
98 | { | 106 | { |
99 | int ret=0; | 107 | int ret = 0; |
100 | int i,j,k,m,n,again,bufsize; | 108 | int i, j,k, m,n, again, bufsize; |
101 | unsigned char *s=NULL,*sp; | 109 | unsigned char *s = NULL, *sp; |
102 | unsigned char *bufp; | 110 | unsigned char *bufp; |
103 | int num=0,slen=0,first=1; | 111 | int num = 0, slen = 0, first = 1; |
104 | 112 | ||
105 | bs->type=V_ASN1_INTEGER; | 113 | bs->type = V_ASN1_INTEGER; |
106 | 114 | ||
107 | bufsize=BIO_gets(bp,buf,size); | 115 | bufsize = BIO_gets(bp, buf, size); |
108 | for (;;) { | 116 | for (;;) { |
109 | if (bufsize < 1) goto err_sl; | 117 | if (bufsize < 1) |
110 | i=bufsize; | 118 | goto err_sl; |
111 | if (buf[i-1] == '\n') buf[--i]='\0'; | 119 | i = bufsize; |
112 | if (i == 0) goto err_sl; | 120 | if (buf[i - 1] == '\n') |
113 | if (buf[i-1] == '\r') buf[--i]='\0'; | 121 | buf[--i] = '\0'; |
114 | if (i == 0) goto err_sl; | 122 | if (i == 0) |
115 | again=(buf[i-1] == '\\'); | 123 | goto err_sl; |
124 | if (buf[i - 1] == '\r') | ||
125 | buf[--i] = '\0'; | ||
126 | if (i == 0) | ||
127 | goto err_sl; | ||
128 | again = (buf[i - 1] == '\\'); | ||
116 | 129 | ||
117 | for (j=0; j<i; j++) { | 130 | for (j = 0; j < i; j++) { |
118 | if (!( ((buf[j] >= '0') && (buf[j] <= '9')) || | 131 | if (!(((buf[j] >= '0') && (buf[j] <= '9')) || |
119 | ((buf[j] >= 'a') && (buf[j] <= 'f')) || | 132 | ((buf[j] >= 'a') && (buf[j] <= 'f')) || |
120 | ((buf[j] >= 'A') && (buf[j] <= 'F')))) { | 133 | ((buf[j] >= 'A') && (buf[j] <= 'F')))) { |
121 | i=j; | 134 | i = j; |
122 | break; | 135 | break; |
123 | } | 136 | } |
124 | } | 137 | } |
125 | buf[i]='\0'; | 138 | buf[i] = '\0'; |
126 | /* We have now cleared all the crap off the end of the | 139 | /* We have now cleared all the crap off the end of the |
127 | * line */ | 140 | * line */ |
128 | if (i < 2) goto err_sl; | 141 | if (i < 2) |
142 | goto err_sl; | ||
129 | 143 | ||
130 | bufp=(unsigned char *)buf; | 144 | bufp = (unsigned char *)buf; |
131 | if (first) { | 145 | if (first) { |
132 | first=0; | 146 | first = 0; |
133 | if ((bufp[0] == '0') && (buf[1] == '0')) { | 147 | if ((bufp[0] == '0') && (buf[1] == '0')) { |
134 | bufp+=2; | 148 | bufp += 2; |
135 | i-=2; | 149 | i -= 2; |
136 | } | 150 | } |
137 | } | 151 | } |
138 | k=0; | 152 | k = 0; |
139 | i-=again; | 153 | i -= again; |
140 | if (i%2 != 0) { | 154 | if (i % 2 != 0) { |
141 | ASN1err(ASN1_F_A2I_ASN1_INTEGER,ASN1_R_ODD_NUMBER_OF_CHARS); | 155 | ASN1err(ASN1_F_A2I_ASN1_INTEGER, |
156 | ASN1_R_ODD_NUMBER_OF_CHARS); | ||
142 | goto err; | 157 | goto err; |
143 | } | 158 | } |
144 | i/=2; | 159 | i /= 2; |
145 | if (num+i > slen) { | 160 | if (num + i > slen) { |
146 | if (s == NULL) | 161 | if (s == NULL) |
147 | sp=(unsigned char *)malloc( | 162 | sp = (unsigned char *)malloc( |
148 | (unsigned int)num+i*2); | 163 | (unsigned int)num + i * 2); |
149 | else | 164 | else |
150 | sp=OPENSSL_realloc_clean(s,slen,num+i*2); | 165 | sp = OPENSSL_realloc_clean(s, slen, |
166 | num + i * 2); | ||
151 | if (sp == NULL) { | 167 | if (sp == NULL) { |
152 | ASN1err(ASN1_F_A2I_ASN1_INTEGER,ERR_R_MALLOC_FAILURE); | 168 | ASN1err(ASN1_F_A2I_ASN1_INTEGER, |
153 | if (s != NULL) free(s); | 169 | ERR_R_MALLOC_FAILURE); |
170 | if (s != NULL) | ||
171 | free(s); | ||
154 | goto err; | 172 | goto err; |
155 | } | 173 | } |
156 | s=sp; | 174 | s = sp; |
157 | slen=num+i*2; | 175 | slen = num + i * 2; |
158 | } | 176 | } |
159 | for (j=0; j<i; j++,k+=2) { | 177 | for (j = 0; j < i; j++, k += 2) { |
160 | for (n=0; n<2; n++) { | 178 | for (n = 0; n < 2; n++) { |
161 | m=bufp[k+n]; | 179 | m = bufp[k + n]; |
162 | if ((m >= '0') && (m <= '9')) | 180 | if ((m >= '0') && (m <= '9')) |
163 | m-='0'; | 181 | m -= '0'; |
164 | else if ((m >= 'a') && (m <= 'f')) | 182 | else if ((m >= 'a') && (m <= 'f')) |
165 | m=m-'a'+10; | 183 | m = m - 'a' + 10; |
166 | else if ((m >= 'A') && (m <= 'F')) | 184 | else if ((m >= 'A') && (m <= 'F')) |
167 | m=m-'A'+10; | 185 | m = m - 'A' + 10; |
168 | else { | 186 | else { |
169 | ASN1err(ASN1_F_A2I_ASN1_INTEGER,ASN1_R_NON_HEX_CHARACTERS); | 187 | ASN1err(ASN1_F_A2I_ASN1_INTEGER, |
188 | ASN1_R_NON_HEX_CHARACTERS); | ||
170 | goto err; | 189 | goto err; |
171 | } | 190 | } |
172 | s[num+j]<<=4; | 191 | s[num + j] <<= 4; |
173 | s[num+j]|=m; | 192 | s[num + j] |= m; |
174 | } | 193 | } |
175 | } | 194 | } |
176 | num+=i; | 195 | num += i; |
177 | if (again) | 196 | if (again) |
178 | bufsize=BIO_gets(bp,buf,size); | 197 | bufsize = BIO_gets(bp, buf, size); |
179 | else | 198 | else |
180 | break; | 199 | break; |
181 | } | 200 | } |
182 | bs->length=num; | 201 | bs->length = num; |
183 | bs->data=s; | 202 | bs->data = s; |
184 | ret=1; | 203 | ret = 1; |
204 | |||
185 | err: | 205 | err: |
186 | if (0) { | 206 | if (0) { |
187 | err_sl: | 207 | err_sl: |
188 | ASN1err(ASN1_F_A2I_ASN1_INTEGER,ASN1_R_SHORT_LINE); | 208 | ASN1err(ASN1_F_A2I_ASN1_INTEGER, ASN1_R_SHORT_LINE); |
189 | } | 209 | } |
190 | return(ret); | 210 | return (ret); |
191 | } | 211 | } |
192 | |||