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55 | | - |
56 | | - |
57 | | - |
58 | | - |
59 | #include <stdio.h> | - |
60 | | - |
61 | #include <openssl/asn1.h> | - |
62 | #include <openssl/buffer.h> | - |
63 | #include <openssl/err.h> | - |
64 | | - |
65 | int | - |
66 | i2a_ASN1_STRING(BIO *bp, const ASN1_STRING *a, int type) | - |
67 | { | - |
68 | int i, n = 0; | - |
69 | static const char h[] = "0123456789ABCDEF"; | - |
70 | char buf[2]; | - |
71 | | - |
72 | if (a == NULL)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
73 | return (0); never executed: return (0); | 0 |
74 | | - |
75 | if (a->length == 0) {TRUE | never evaluated | FALSE | never evaluated |
| 0 |
76 | if (BIO_write(bp, "0", 1) != 1)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
77 | goto err; never executed: goto err; | 0 |
78 | n = 1; | - |
79 | } else { never executed: end of block | 0 |
80 | for (i = 0; i < a->length; i++) {TRUE | never evaluated | FALSE | never evaluated |
| 0 |
81 | if ((i != 0) && (i % 35 == 0)) {TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
| 0 |
82 | if (BIO_write(bp, "\\\n", 2) != 2)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
83 | goto err; never executed: goto err; | 0 |
84 | n += 2; | - |
85 | } never executed: end of block | 0 |
86 | buf[0] = h[((unsigned char)a->data[i] >> 4) & 0x0f]; | - |
87 | buf[1] = h[((unsigned char)a->data[i]) & 0x0f]; | - |
88 | if (BIO_write(bp, buf, 2) != 2)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
89 | goto err; never executed: goto err; | 0 |
90 | n += 2; | - |
91 | } never executed: end of block | 0 |
92 | } never executed: end of block | 0 |
93 | return (n); never executed: return (n); | 0 |
94 | | - |
95 | err: | - |
96 | return (-1); never executed: return (-1); | 0 |
97 | } | - |
98 | | - |
99 | int | - |
100 | a2i_ASN1_STRING(BIO *bp, ASN1_STRING *bs, char *buf, int size) | - |
101 | { | - |
102 | int ret = 0; | - |
103 | int i, j, k, m, n, again, bufsize; | - |
104 | unsigned char *s = NULL, *sp; | - |
105 | unsigned char *bufp; | - |
106 | int first = 1; | - |
107 | size_t num = 0, slen = 0; | - |
108 | | - |
109 | bufsize = BIO_gets(bp, buf, size); | - |
110 | for (;;) { | - |
111 | if (bufsize < 1) {TRUE | never evaluated | FALSE | never evaluated |
| 0 |
112 | if (first)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
113 | break; never executed: break; | 0 |
114 | else | - |
115 | goto err_sl; never executed: goto err_sl; | 0 |
116 | } | - |
117 | first = 0; | - |
118 | | - |
119 | i = bufsize; | - |
120 | if (buf[i-1] == '\n')TRUE | never evaluated | FALSE | never evaluated |
| 0 |
121 | buf[--i] = '\0'; never executed: buf[--i] = '\0'; | 0 |
122 | if (i == 0)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
123 | goto err_sl; never executed: goto err_sl; | 0 |
124 | if (buf[i-1] == '\r')TRUE | never evaluated | FALSE | never evaluated |
| 0 |
125 | buf[--i] = '\0'; never executed: buf[--i] = '\0'; | 0 |
126 | if (i == 0)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
127 | goto err_sl; never executed: goto err_sl; | 0 |
128 | again = (buf[i - 1] == '\\'); | - |
129 | | - |
130 | for (j = i - 1; j > 0; j--) {TRUE | never evaluated | FALSE | never evaluated |
| 0 |
131 | if (!(((buf[j] >= '0') && (buf[j] <= '9')) ||TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
| 0 |
132 | ((buf[j] >= 'a') && (buf[j] <= 'f')) ||TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
| 0 |
133 | ((buf[j] >= 'A') && (buf[j] <= 'F')))) {TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
| 0 |
134 | i = j; | - |
135 | break; never executed: break; | 0 |
136 | } | - |
137 | } never executed: end of block | 0 |
138 | buf[i] = '\0'; | - |
139 | | - |
140 | | - |
141 | if (i < 2)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
142 | goto err_sl; never executed: goto err_sl; | 0 |
143 | | - |
144 | bufp = (unsigned char *)buf; | - |
145 | | - |
146 | k = 0; | - |
147 | i -= again; | - |
148 | if (i % 2 != 0) {TRUE | never evaluated | FALSE | never evaluated |
| 0 |
149 | ASN1error(ASN1_R_ODD_NUMBER_OF_CHARS); | - |
150 | goto err; never executed: goto err; | 0 |
151 | } | - |
152 | i /= 2; | - |
153 | if (num + i > slen) {TRUE | never evaluated | FALSE | never evaluated |
| 0 |
154 | sp = realloc(s, num + i); | - |
155 | if (sp == NULL) {TRUE | never evaluated | FALSE | never evaluated |
| 0 |
156 | ASN1error(ERR_R_MALLOC_FAILURE); | - |
157 | goto err; never executed: goto err; | 0 |
158 | } | - |
159 | s = sp; | - |
160 | slen = num + i; | - |
161 | } never executed: end of block | 0 |
162 | for (j = 0; j < i; j++, k += 2) {TRUE | never evaluated | FALSE | never evaluated |
| 0 |
163 | for (n = 0; n < 2; n++) {TRUE | never evaluated | FALSE | never evaluated |
| 0 |
164 | m = bufp[k + n]; | - |
165 | if ((m >= '0') && (m <= '9'))TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
| 0 |
166 | m -= '0'; never executed: m -= '0'; | 0 |
167 | else if ((m >= 'a') && (m <= 'f'))TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
| 0 |
168 | m = m - 'a' + 10; never executed: m = m - 'a' + 10; | 0 |
169 | else if ((m >= 'A') && (m <= 'F'))TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
| 0 |
170 | m = m - 'A' + 10; never executed: m = m - 'A' + 10; | 0 |
171 | else { | - |
172 | ASN1error(ASN1_R_NON_HEX_CHARACTERS); | - |
173 | goto err; never executed: goto err; | 0 |
174 | } | - |
175 | s[num + j] <<= 4; | - |
176 | s[num + j] |= m; | - |
177 | } never executed: end of block | 0 |
178 | } never executed: end of block | 0 |
179 | num += i; | - |
180 | if (again)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
181 | bufsize = BIO_gets(bp, buf, size); never executed: bufsize = BIO_gets(bp, buf, size); | 0 |
182 | else | - |
183 | break; never executed: break; | 0 |
184 | } | - |
185 | bs->length = num; | - |
186 | bs->data = s; | - |
187 | return (1); never executed: return (1); | 0 |
188 | | - |
189 | err_sl: | - |
190 | ASN1error(ASN1_R_SHORT_LINE); | - |
191 | err: code before this statement never executed: err: | 0 |
192 | free(s); | - |
193 | return (ret); never executed: return (ret); | 0 |
194 | } | - |
| | |