diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/f_enum.c')
-rw-r--r-- | src/lib/libcrypto/asn1/f_enum.c | 173 |
1 files changed, 95 insertions, 78 deletions
diff --git a/src/lib/libcrypto/asn1/f_enum.c b/src/lib/libcrypto/asn1/f_enum.c index 4ccfbddf2a..e8736e5b72 100644 --- a/src/lib/libcrypto/asn1/f_enum.c +++ b/src/lib/libcrypto/asn1/f_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 |
@@ -63,128 +63,145 @@ | |||
63 | 63 | ||
64 | /* Based on a_int.c: equivalent ENUMERATED functions */ | 64 | /* Based on a_int.c: equivalent ENUMERATED functions */ |
65 | 65 | ||
66 | int i2a_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *a) | 66 | int |
67 | i2a_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *a) | ||
67 | { | 68 | { |
68 | int i,n=0; | 69 | int i, n = 0; |
69 | static const char *h="0123456789ABCDEF"; | 70 | static const char *h = "0123456789ABCDEF"; |
70 | char buf[2]; | 71 | char buf[2]; |
71 | 72 | ||
72 | if (a == NULL) return(0); | 73 | if (a == NULL) |
74 | return (0); | ||
73 | 75 | ||
74 | if (a->length == 0) { | 76 | if (a->length == 0) { |
75 | if (BIO_write(bp,"00",2) != 2) goto err; | 77 | if (BIO_write(bp, "00", 2) != 2) |
76 | n=2; | 78 | goto err; |
79 | n = 2; | ||
77 | } else { | 80 | } else { |
78 | for (i=0; i<a->length; i++) { | 81 | for (i = 0; i < a->length; i++) { |
79 | if ((i != 0) && (i%35 == 0)) { | 82 | if ((i != 0) && (i % 35 == 0)) { |
80 | if (BIO_write(bp,"\\\n",2) != 2) goto err; | 83 | if (BIO_write(bp, "\\\n", 2) != 2) |
81 | n+=2; | 84 | goto err; |
85 | n += 2; | ||
82 | } | 86 | } |
83 | buf[0]=h[((unsigned char)a->data[i]>>4)&0x0f]; | 87 | buf[0] = h[((unsigned char)a->data[i] >> 4) & 0x0f]; |
84 | buf[1]=h[((unsigned char)a->data[i] )&0x0f]; | 88 | buf[1] = h[((unsigned char)a->data[i]) & 0x0f]; |
85 | if (BIO_write(bp,buf,2) != 2) goto err; | 89 | if (BIO_write(bp, buf, 2) != 2) |
86 | n+=2; | 90 | goto err; |
91 | n += 2; | ||
87 | } | 92 | } |
88 | } | 93 | } |
89 | return(n); | 94 | return (n); |
95 | |||
90 | err: | 96 | err: |
91 | return(-1); | 97 | return (-1); |
92 | } | 98 | } |
93 | 99 | ||
94 | int a2i_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *bs, char *buf, int size) | 100 | int |
101 | a2i_ASN1_ENUMERATED(BIO *bp, ASN1_ENUMERATED *bs, char *buf, int size) | ||
95 | { | 102 | { |
96 | int ret=0; | 103 | int ret = 0; |
97 | int i,j,k,m,n,again,bufsize; | 104 | int i, j,k, m,n, again, bufsize; |
98 | unsigned char *s=NULL,*sp; | 105 | unsigned char *s = NULL, *sp; |
99 | unsigned char *bufp; | 106 | unsigned char *bufp; |
100 | int num=0,slen=0,first=1; | 107 | int num = 0, slen = 0, first = 1; |
101 | 108 | ||
102 | bs->type=V_ASN1_ENUMERATED; | 109 | bs->type = V_ASN1_ENUMERATED; |
103 | 110 | ||
104 | bufsize=BIO_gets(bp,buf,size); | 111 | bufsize = BIO_gets(bp, buf, size); |
105 | for (;;) { | 112 | for (;;) { |
106 | if (bufsize < 1) goto err_sl; | 113 | if (bufsize < 1) |
107 | i=bufsize; | 114 | goto err_sl; |
108 | if (buf[i-1] == '\n') buf[--i]='\0'; | 115 | i = bufsize; |
109 | if (i == 0) goto err_sl; | 116 | if (buf[i-1] == '\n') |
110 | if (buf[i-1] == '\r') buf[--i]='\0'; | 117 | buf[--i] = '\0'; |
111 | if (i == 0) goto err_sl; | 118 | if (i == 0) |
112 | again=(buf[i-1] == '\\'); | 119 | goto err_sl; |
120 | if (buf[i-1] == '\r') | ||
121 | buf[--i] = '\0'; | ||
122 | if (i == 0) | ||
123 | goto err_sl; | ||
124 | again = (buf[i - 1] == '\\'); | ||
113 | 125 | ||
114 | for (j=0; j<i; j++) { | 126 | for (j = 0; j < i; j++) { |
115 | if (!( ((buf[j] >= '0') && (buf[j] <= '9')) || | 127 | if (!(((buf[j] >= '0') && (buf[j] <= '9')) || |
116 | ((buf[j] >= 'a') && (buf[j] <= 'f')) || | 128 | ((buf[j] >= 'a') && (buf[j] <= 'f')) || |
117 | ((buf[j] >= 'A') && (buf[j] <= 'F')))) { | 129 | ((buf[j] >= 'A') && (buf[j] <= 'F')))) { |
118 | i=j; | 130 | i = j; |
119 | break; | 131 | break; |
120 | } | 132 | } |
121 | } | 133 | } |
122 | buf[i]='\0'; | 134 | buf[i] = '\0'; |
123 | /* We have now cleared all the crap off the end of the | 135 | /* We have now cleared all the crap off the end of the |
124 | * line */ | 136 | * line */ |
125 | if (i < 2) goto err_sl; | 137 | if (i < 2) |
138 | goto err_sl; | ||
126 | 139 | ||
127 | bufp=(unsigned char *)buf; | 140 | bufp = (unsigned char *)buf; |
128 | if (first) { | 141 | if (first) { |
129 | first=0; | 142 | first = 0; |
130 | if ((bufp[0] == '0') && (buf[1] == '0')) { | 143 | if ((bufp[0] == '0') && (buf[1] == '0')) { |
131 | bufp+=2; | 144 | bufp += 2; |
132 | i-=2; | 145 | i -= 2; |
133 | } | 146 | } |
134 | } | 147 | } |
135 | k=0; | 148 | k = 0; |
136 | i-=again; | 149 | i -= again; |
137 | if (i%2 != 0) { | 150 | if (i % 2 != 0) { |
138 | ASN1err(ASN1_F_A2I_ASN1_ENUMERATED,ASN1_R_ODD_NUMBER_OF_CHARS); | 151 | ASN1err(ASN1_F_A2I_ASN1_ENUMERATED, |
152 | ASN1_R_ODD_NUMBER_OF_CHARS); | ||
139 | goto err; | 153 | goto err; |
140 | } | 154 | } |
141 | i/=2; | 155 | i /= 2; |
142 | if (num+i > slen) { | 156 | if (num + i > slen) { |
143 | if (s == NULL) | 157 | if (s == NULL) |
144 | sp=(unsigned char *)malloc( | 158 | sp = (unsigned char *)malloc( |
145 | (unsigned int)num+i*2); | 159 | (unsigned int)num + i * 2); |
146 | else | 160 | else |
147 | sp=(unsigned char *)realloc(s, | 161 | sp = (unsigned char *)realloc(s, |
148 | (unsigned int)num+i*2); | 162 | (unsigned int)num + i * 2); |
149 | if (sp == NULL) { | 163 | if (sp == NULL) { |
150 | ASN1err(ASN1_F_A2I_ASN1_ENUMERATED,ERR_R_MALLOC_FAILURE); | 164 | ASN1err(ASN1_F_A2I_ASN1_ENUMERATED, |
151 | if (s != NULL) free(s); | 165 | ERR_R_MALLOC_FAILURE); |
166 | if (s != NULL) | ||
167 | free(s); | ||
152 | goto err; | 168 | goto err; |
153 | } | 169 | } |
154 | s=sp; | 170 | s = sp; |
155 | slen=num+i*2; | 171 | slen = num + i * 2; |
156 | } | 172 | } |
157 | for (j=0; j<i; j++,k+=2) { | 173 | for (j = 0; j < i; j++, k += 2) { |
158 | for (n=0; n<2; n++) { | 174 | for (n = 0; n < 2; n++) { |
159 | m=bufp[k+n]; | 175 | m = bufp[k + n]; |
160 | if ((m >= '0') && (m <= '9')) | 176 | if ((m >= '0') && (m <= '9')) |
161 | m-='0'; | 177 | m -= '0'; |
162 | else if ((m >= 'a') && (m <= 'f')) | 178 | else if ((m >= 'a') && (m <= 'f')) |
163 | m=m-'a'+10; | 179 | m = m - 'a' + 10; |
164 | else if ((m >= 'A') && (m <= 'F')) | 180 | else if ((m >= 'A') && (m <= 'F')) |
165 | m=m-'A'+10; | 181 | m = m - 'A' + 10; |
166 | else { | 182 | else { |
167 | ASN1err(ASN1_F_A2I_ASN1_ENUMERATED,ASN1_R_NON_HEX_CHARACTERS); | 183 | ASN1err(ASN1_F_A2I_ASN1_ENUMERATED, |
184 | ASN1_R_NON_HEX_CHARACTERS); | ||
168 | goto err; | 185 | goto err; |
169 | } | 186 | } |
170 | s[num+j]<<=4; | 187 | s[num + j] <<= 4; |
171 | s[num+j]|=m; | 188 | s[num + j] |= m; |
172 | } | 189 | } |
173 | } | 190 | } |
174 | num+=i; | 191 | num += i; |
175 | if (again) | 192 | if (again) |
176 | bufsize=BIO_gets(bp,buf,size); | 193 | bufsize = BIO_gets(bp, buf, size); |
177 | else | 194 | else |
178 | break; | 195 | break; |
179 | } | 196 | } |
180 | bs->length=num; | 197 | bs->length = num; |
181 | bs->data=s; | 198 | bs->data = s; |
182 | ret=1; | 199 | ret = 1; |
200 | |||
183 | err: | 201 | err: |
184 | if (0) { | 202 | if (0) { |
185 | err_sl: | 203 | err_sl: |
186 | ASN1err(ASN1_F_A2I_ASN1_ENUMERATED,ASN1_R_SHORT_LINE); | 204 | ASN1err(ASN1_F_A2I_ASN1_ENUMERATED, ASN1_R_SHORT_LINE); |
187 | } | 205 | } |
188 | return(ret); | 206 | return (ret); |
189 | } | 207 | } |
190 | |||