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| 1 /* crypto/pkcs7/verify.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 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 | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 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. | |
| 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. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 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: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 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 | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 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 | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 #include <stdio.h> | |
| 59 #include <stdlib.h> | |
| 60 #include <string.h> | |
| 61 #include <openssl/bio.h> | |
| 62 #include <openssl/x509.h> | |
| 63 #include <openssl/pem.h> | |
| 64 #include <openssl/err.h> | |
| 65 #include <openssl/asn1.h> | |
| 66 | |
| 67 int verify_callback(int ok, X509_STORE_CTX *ctx); | |
| 68 | |
| 69 BIO *bio_err=NULL; | |
| 70 | |
| 71 int main(argc,argv) | |
| 72 int argc; | |
| 73 char *argv[]; | |
| 74 { | |
| 75 char *keyfile=NULL; | |
| 76 BIO *in; | |
| 77 EVP_PKEY *pkey; | |
| 78 X509 *x509; | |
| 79 PKCS7 *p7; | |
| 80 PKCS7_SIGNER_INFO *si; | |
| 81 X509_STORE_CTX cert_ctx; | |
| 82 X509_STORE *cert_store=NULL; | |
| 83 BIO *data,*detached=NULL,*p7bio=NULL; | |
| 84 char buf[1024*4]; | |
| 85 unsigned char *pp; | |
| 86 int i,printit=0; | |
| 87 STACK_OF(PKCS7_SIGNER_INFO) *sk; | |
| 88 | |
| 89 OpenSSL_add_all_algorithms(); | |
| 90 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); | |
| 91 | |
| 92 data=BIO_new(BIO_s_file()); | |
| 93 pp=NULL; | |
| 94 while (argc > 1) | |
| 95 { | |
| 96 argc--; | |
| 97 argv++; | |
| 98 if (strcmp(argv[0],"-p") == 0) | |
| 99 { | |
| 100 printit=1; | |
| 101 } | |
| 102 else if ((strcmp(argv[0],"-k") == 0) && (argc >= 2)) { | |
| 103 keyfile = argv[1]; | |
| 104 argc-=1; | |
| 105 argv+=1; | |
| 106 } else if ((strcmp(argv[0],"-d") == 0) && (argc >= 2)) | |
| 107 { | |
| 108 detached=BIO_new(BIO_s_file()); | |
| 109 if (!BIO_read_filename(detached,argv[1])) | |
| 110 goto err; | |
| 111 argc-=1; | |
| 112 argv+=1; | |
| 113 } | |
| 114 else break; | |
| 115 } | |
| 116 | |
| 117 if (!BIO_read_filename(data,argv[0])) goto err; | |
| 118 | |
| 119 if(!keyfile) { | |
| 120 fprintf(stderr, "No private key file specified\n"); | |
| 121 goto err; | |
| 122 } | |
| 123 | |
| 124 if ((in=BIO_new_file(keyfile,"r")) == NULL) goto err; | |
| 125 if ((x509=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL) goto err; | |
| 126 BIO_reset(in); | |
| 127 if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,NULL)) == NULL) | |
| 128 goto err; | |
| 129 BIO_free(in); | |
| 130 | |
| 131 if (pp == NULL) | |
| 132 BIO_set_fp(data,stdin,BIO_NOCLOSE); | |
| 133 | |
| 134 | |
| 135 /* Load the PKCS7 object from a file */ | |
| 136 if ((p7=PEM_read_bio_PKCS7(data,NULL,NULL,NULL)) == NULL) goto err; | |
| 137 | |
| 138 | |
| 139 | |
| 140 /* This stuff is being setup for certificate verification. | |
| 141 * When using SSL, it could be replaced with a | |
| 142 * cert_stre=SSL_CTX_get_cert_store(ssl_ctx); */ | |
| 143 cert_store=X509_STORE_new(); | |
| 144 X509_STORE_set_default_paths(cert_store); | |
| 145 X509_STORE_load_locations(cert_store,NULL,"../../certs"); | |
| 146 X509_STORE_set_verify_cb_func(cert_store,verify_callback); | |
| 147 | |
| 148 ERR_clear_error(); | |
| 149 | |
| 150 /* We need to process the data */ | |
| 151 /* We cannot support detached encryption */ | |
| 152 p7bio=PKCS7_dataDecode(p7,pkey,detached,x509); | |
| 153 | |
| 154 if (p7bio == NULL) | |
| 155 { | |
| 156 printf("problems decoding\n"); | |
| 157 goto err; | |
| 158 } | |
| 159 | |
| 160 /* We now have to 'read' from p7bio to calculate digests etc. */ | |
| 161 for (;;) | |
| 162 { | |
| 163 i=BIO_read(p7bio,buf,sizeof(buf)); | |
| 164 /* print it? */ | |
| 165 if (i <= 0) break; | |
| 166 fwrite(buf,1, i, stdout); | |
| 167 } | |
| 168 | |
| 169 /* We can now verify signatures */ | |
| 170 sk=PKCS7_get_signer_info(p7); | |
| 171 if (sk == NULL) | |
| 172 { | |
| 173 fprintf(stderr, "there are no signatures on this data\n"); | |
| 174 } | |
| 175 else | |
| 176 { | |
| 177 /* Ok, first we need to, for each subject entry, | |
| 178 * see if we can verify */ | |
| 179 ERR_clear_error(); | |
| 180 for (i=0; i<sk_PKCS7_SIGNER_INFO_num(sk); i++) | |
| 181 { | |
| 182 si=sk_PKCS7_SIGNER_INFO_value(sk,i); | |
| 183 i=PKCS7_dataVerify(cert_store,&cert_ctx,p7bio,p7,si); | |
| 184 if (i <= 0) | |
| 185 goto err; | |
| 186 else | |
| 187 fprintf(stderr,"Signature verified\n"); | |
| 188 } | |
| 189 } | |
| 190 X509_STORE_free(cert_store); | |
| 191 | |
| 192 exit(0); | |
| 193 err: | |
| 194 ERR_load_crypto_strings(); | |
| 195 ERR_print_errors_fp(stderr); | |
| 196 exit(1); | |
| 197 } | |
| 198 | |
| 199 /* should be X509 * but we can just have them as char *. */ | |
| 200 int verify_callback(int ok, X509_STORE_CTX *ctx) | |
| 201 { | |
| 202 char buf[256]; | |
| 203 X509 *err_cert; | |
| 204 int err,depth; | |
| 205 | |
| 206 err_cert=X509_STORE_CTX_get_current_cert(ctx); | |
| 207 err= X509_STORE_CTX_get_error(ctx); | |
| 208 depth= X509_STORE_CTX_get_error_depth(ctx); | |
| 209 | |
| 210 X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256); | |
| 211 BIO_printf(bio_err,"depth=%d %s\n",depth,buf); | |
| 212 if (!ok) | |
| 213 { | |
| 214 BIO_printf(bio_err,"verify error:num=%d:%s\n",err, | |
| 215 X509_verify_cert_error_string(err)); | |
| 216 if (depth < 6) | |
| 217 { | |
| 218 ok=1; | |
| 219 X509_STORE_CTX_set_error(ctx,X509_V_OK); | |
| 220 } | |
| 221 else | |
| 222 { | |
| 223 ok=0; | |
| 224 X509_STORE_CTX_set_error(ctx,X509_V_ERR_CERT_CHAIN_TOO_L
ONG); | |
| 225 } | |
| 226 } | |
| 227 switch (ctx->error) | |
| 228 { | |
| 229 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: | |
| 230 X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,25
6); | |
| 231 BIO_printf(bio_err,"issuer= %s\n",buf); | |
| 232 break; | |
| 233 case X509_V_ERR_CERT_NOT_YET_VALID: | |
| 234 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: | |
| 235 BIO_printf(bio_err,"notBefore="); | |
| 236 ASN1_UTCTIME_print(bio_err,X509_get_notBefore(ctx->current_cert)
); | |
| 237 BIO_printf(bio_err,"\n"); | |
| 238 break; | |
| 239 case X509_V_ERR_CERT_HAS_EXPIRED: | |
| 240 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: | |
| 241 BIO_printf(bio_err,"notAfter="); | |
| 242 ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ctx->current_cert))
; | |
| 243 BIO_printf(bio_err,"\n"); | |
| 244 break; | |
| 245 } | |
| 246 BIO_printf(bio_err,"verify return:%d\n",ok); | |
| 247 return(ok); | |
| 248 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master