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1 | /* v3_prn.c */ |
2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL | |
3 | * project 1999. | |
4 | */ | |
5 | /* ==================================================================== | |
6 | * Copyright (c) 1999 The OpenSSL Project. All rights reserved. | |
7 | * | |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | /* X509 v3 extension utilities */ | |
59 | ||
60 | #include <stdlib.h> | |
61 | #include <pem.h> | |
62 | #include <conf.h> | |
63 | #include <err.h> | |
64 | #include "x509v3.h" | |
65 | ||
66 | /* Extension printing routines */ | |
67 | ||
68 | /* Print out a name+value stack */ | |
69 | ||
70 | void X509V3_EXT_val_prn(out, val) | |
71 | BIO *out; | |
72 | STACK *val; | |
73 | { | |
74 | int i; | |
75 | CONF_VALUE *nval; | |
76 | if(!val) return; | |
77 | for(i = 0; i < sk_num(val); i++) { | |
78 | if(i > 0) BIO_printf(out, ", "); | |
79 | nval = (CONF_VALUE *)sk_value(val, i); | |
80 | if(!nval->name) BIO_printf(out, "%s", nval->value); | |
81 | else if(!nval->value) BIO_printf(out, "%s", nval->name); | |
82 | else BIO_printf(out, "%s:%s", nval->name, nval->value); | |
83 | } | |
84 | } | |
85 | ||
86 | /* Main routine: print out a general extension */ | |
87 | ||
88 | int X509V3_EXT_print(out, ext, flag) | |
89 | BIO *out; | |
90 | X509_EXTENSION *ext; | |
91 | int flag; | |
92 | { | |
93 | char *ext_str = NULL, *p, *value = NULL; | |
94 | X509V3_EXT_METHOD *method; | |
95 | STACK *nval = NULL; | |
96 | int ok = 1; | |
97 | if(!(method = X509V3_EXT_get(ext))) return 0; | |
98 | p = ext->value->data; | |
99 | if(!(ext_str = method->d2i(NULL, &p, ext->value->length))) return 0; | |
100 | if(method->i2s) { | |
101 | if(!(value = method->i2s(method, ext_str))) { | |
102 | ok = 0; | |
103 | goto err; | |
104 | } | |
105 | BIO_printf(out, value); | |
106 | } else if(method->i2v) { | |
107 | if(!(nval = method->i2v(method, ext_str))) { | |
108 | ok = 0; | |
109 | goto err; | |
110 | } | |
111 | X509V3_EXT_val_prn(out, nval); | |
112 | } else if(method->i2r) { | |
113 | if(!method->i2r(method, ext_str, out)) ok = 0; | |
114 | } else ok = 0; | |
115 | ||
116 | err: | |
117 | sk_pop_free(nval, X509V3_conf_free); | |
118 | if(value) Free(value); | |
119 | method->ext_free(ext_str); | |
120 | return ok; | |
121 | } | |
122 | ||
123 | int X509V3_EXT_print_fp(fp, ext, flag) | |
124 | FILE *fp; | |
125 | X509_EXTENSION *ext; | |
126 | int flag; | |
127 | { | |
128 | BIO *bio_tmp; | |
129 | int ret; | |
130 | if(!(bio_tmp = BIO_new_fp(fp, BIO_NOCLOSE))) return 0; | |
131 | ret = X509V3_EXT_print(bio_tmp, ext, flag); | |
132 | BIO_free(bio_tmp); | |
133 | return ret; | |
134 | } |