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55 | #include <openssl/asn1.h> | - |
56 | #include <openssl/asn1t.h> | - |
57 | #include <openssl/bio.h> | - |
58 | #include <openssl/err.h> | - |
59 | | - |
60 | #include <stdio.h> | - |
61 | | - |
62 | | - |
63 | | - |
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80 | | - |
81 | typedef struct ndef_aux_st { | - |
82 | | - |
83 | ASN1_VALUE *val; | - |
84 | const ASN1_ITEM *it; | - |
85 | | - |
86 | BIO *ndef_bio; | - |
87 | | - |
88 | BIO *out; | - |
89 | | - |
90 | unsigned char **boundary; | - |
91 | | - |
92 | unsigned char *derbuf; | - |
93 | } NDEF_SUPPORT; | - |
94 | | - |
95 | static int ndef_prefix(BIO *b, unsigned char **pbuf, int *plen, void *parg); | - |
96 | static int ndef_prefix_free(BIO *b, unsigned char **pbuf, int *plen, void *parg); | - |
97 | static int ndef_suffix(BIO *b, unsigned char **pbuf, int *plen, void *parg); | - |
98 | static int ndef_suffix_free(BIO *b, unsigned char **pbuf, int *plen, void *parg); | - |
99 | | - |
100 | BIO * | - |
101 | BIO_new_NDEF(BIO *out, ASN1_VALUE *val, const ASN1_ITEM *it) | - |
102 | { | - |
103 | NDEF_SUPPORT *ndef_aux = NULL; | - |
104 | BIO *asn_bio = NULL; | - |
105 | const ASN1_AUX *aux = it->funcs; | - |
106 | ASN1_STREAM_ARG sarg; | - |
107 | | - |
108 | if (!aux || !aux->asn1_cb) {TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
| 0 |
109 | ASN1error(ASN1_R_STREAMING_NOT_SUPPORTED); | - |
110 | return NULL; never executed: return ((void *)0) ; | 0 |
111 | } | - |
112 | ndef_aux = malloc(sizeof(NDEF_SUPPORT)); | - |
113 | asn_bio = BIO_new(BIO_f_asn1()); | - |
114 | | - |
115 | | - |
116 | | - |
117 | out = BIO_push(asn_bio, out); | - |
118 | | - |
119 | if (!ndef_aux || !asn_bio || !out)TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
TRUE | never evaluated | FALSE | never evaluated |
| 0 |
120 | goto err; never executed: goto err; | 0 |
121 | | - |
122 | BIO_asn1_set_prefix(asn_bio, ndef_prefix, ndef_prefix_free); | - |
123 | BIO_asn1_set_suffix(asn_bio, ndef_suffix, ndef_suffix_free); | - |
124 | | - |
125 | | - |
126 | | - |
127 | | - |
128 | | - |
129 | sarg.out = out; | - |
130 | sarg.ndef_bio = NULL; | - |
131 | sarg.boundary = NULL; | - |
132 | | - |
133 | if (aux->asn1_cb(ASN1_OP_STREAM_PRE, &val, it, &sarg) <= 0)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
134 | goto err; never executed: goto err; | 0 |
135 | | - |
136 | ndef_aux->val = val; | - |
137 | ndef_aux->it = it; | - |
138 | ndef_aux->ndef_bio = sarg.ndef_bio; | - |
139 | ndef_aux->boundary = sarg.boundary; | - |
140 | ndef_aux->out = out; | - |
141 | | - |
142 | BIO_ctrl(asn_bio, BIO_C_SET_EX_ARG, 0, ndef_aux); | - |
143 | | - |
144 | return sarg.ndef_bio; never executed: return sarg.ndef_bio; | 0 |
145 | | - |
146 | err: | - |
147 | BIO_free(asn_bio); | - |
148 | free(ndef_aux); | - |
149 | return NULL; never executed: return ((void *)0) ; | 0 |
150 | } | - |
151 | | - |
152 | static int | - |
153 | ndef_prefix(BIO *b, unsigned char **pbuf, int *plen, void *parg) | - |
154 | { | - |
155 | NDEF_SUPPORT *ndef_aux; | - |
156 | unsigned char *p; | - |
157 | int derlen; | - |
158 | | - |
159 | if (!parg)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
160 | return 0; never executed: return 0; | 0 |
161 | | - |
162 | ndef_aux = *(NDEF_SUPPORT **)parg; | - |
163 | | - |
164 | derlen = ASN1_item_ndef_i2d(ndef_aux->val, NULL, ndef_aux->it); | - |
165 | p = malloc(derlen); | - |
166 | ndef_aux->derbuf = p; | - |
167 | *pbuf = p; | - |
168 | derlen = ASN1_item_ndef_i2d(ndef_aux->val, &p, ndef_aux->it); | - |
169 | | - |
170 | if (!*ndef_aux->boundary)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
171 | return 0; never executed: return 0; | 0 |
172 | | - |
173 | *plen = *ndef_aux->boundary - *pbuf; | - |
174 | | - |
175 | return 1; never executed: return 1; | 0 |
176 | } | - |
177 | | - |
178 | static int | - |
179 | ndef_prefix_free(BIO *b, unsigned char **pbuf, int *plen, void *parg) | - |
180 | { | - |
181 | NDEF_SUPPORT *ndef_aux; | - |
182 | | - |
183 | if (!parg)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
184 | return 0; never executed: return 0; | 0 |
185 | | - |
186 | ndef_aux = *(NDEF_SUPPORT **)parg; | - |
187 | | - |
188 | free(ndef_aux->derbuf); | - |
189 | | - |
190 | ndef_aux->derbuf = NULL; | - |
191 | *pbuf = NULL; | - |
192 | *plen = 0; | - |
193 | return 1; never executed: return 1; | 0 |
194 | } | - |
195 | | - |
196 | static int | - |
197 | ndef_suffix_free(BIO *b, unsigned char **pbuf, int *plen, void *parg) | - |
198 | { | - |
199 | NDEF_SUPPORT **pndef_aux = (NDEF_SUPPORT **)parg; | - |
200 | if (!ndef_prefix_free(b, pbuf, plen, parg))TRUE | never evaluated | FALSE | never evaluated |
| 0 |
201 | return 0; never executed: return 0; | 0 |
202 | free(*pndef_aux); | - |
203 | *pndef_aux = NULL; | - |
204 | return 1; never executed: return 1; | 0 |
205 | } | - |
206 | | - |
207 | static int | - |
208 | ndef_suffix(BIO *b, unsigned char **pbuf, int *plen, void *parg) | - |
209 | { | - |
210 | NDEF_SUPPORT *ndef_aux; | - |
211 | unsigned char *p; | - |
212 | int derlen; | - |
213 | const ASN1_AUX *aux; | - |
214 | ASN1_STREAM_ARG sarg; | - |
215 | | - |
216 | if (!parg)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
217 | return 0; never executed: return 0; | 0 |
218 | | - |
219 | ndef_aux = *(NDEF_SUPPORT **)parg; | - |
220 | | - |
221 | aux = ndef_aux->it->funcs; | - |
222 | | - |
223 | | - |
224 | sarg.ndef_bio = ndef_aux->ndef_bio; | - |
225 | sarg.out = ndef_aux->out; | - |
226 | sarg.boundary = ndef_aux->boundary; | - |
227 | if (aux->asn1_cb(ASN1_OP_STREAM_POST,TRUE | never evaluated | FALSE | never evaluated |
| 0 |
228 | &ndef_aux->val, ndef_aux->it, &sarg) <= 0)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
229 | return 0; never executed: return 0; | 0 |
230 | | - |
231 | derlen = ASN1_item_ndef_i2d(ndef_aux->val, NULL, ndef_aux->it); | - |
232 | p = malloc(derlen); | - |
233 | ndef_aux->derbuf = p; | - |
234 | *pbuf = p; | - |
235 | derlen = ASN1_item_ndef_i2d(ndef_aux->val, &p, ndef_aux->it); | - |
236 | | - |
237 | if (!*ndef_aux->boundary)TRUE | never evaluated | FALSE | never evaluated |
| 0 |
238 | return 0; never executed: return 0; | 0 |
239 | *pbuf = *ndef_aux->boundary; | - |
240 | *plen = derlen - (*ndef_aux->boundary - ndef_aux->derbuf); | - |
241 | | - |
242 | return 1; never executed: return 1; | 0 |
243 | } | - |
| | |