1 /* 2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stdio.h> 11 #include <stdlib.h> 12 #include <string.h> 13 #include <time.h> 14 #include "apps.h" 15 #include "progs.h" 16 #include <openssl/err.h> 17 #include <openssl/objects.h> 18 #include <openssl/evp.h> 19 #include <openssl/x509.h> 20 #include <openssl/pkcs7.h> 21 #include <openssl/pem.h> 22 23 typedef enum OPTION_choice { 24 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, 25 OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_NOOUT, 26 OPT_TEXT, OPT_PRINT, OPT_PRINT_CERTS, OPT_ENGINE 27 } OPTION_CHOICE; 28 29 const OPTIONS pkcs7_options[] = { 30 {"help", OPT_HELP, '-', "Display this summary"}, 31 {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"}, 32 {"in", OPT_IN, '<', "Input file"}, 33 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"}, 34 {"out", OPT_OUT, '>', "Output file"}, 35 {"noout", OPT_NOOUT, '-', "Don't output encoded data"}, 36 {"text", OPT_TEXT, '-', "Print full details of certificates"}, 37 {"print", OPT_PRINT, '-', "Print out all fields of the PKCS7 structure"}, 38 {"print_certs", OPT_PRINT_CERTS, '-', 39 "Print_certs print any certs or crl in the input"}, 40 #ifndef OPENSSL_NO_ENGINE 41 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, 42 #endif 43 {NULL} 44 }; 45 46 int pkcs7_main(int argc, char **argv) 47 { 48 ENGINE *e = NULL; 49 PKCS7 *p7 = NULL; 50 BIO *in = NULL, *out = NULL; 51 int informat = FORMAT_PEM, outformat = FORMAT_PEM; 52 char *infile = NULL, *outfile = NULL, *prog; 53 int i, print_certs = 0, text = 0, noout = 0, p7_print = 0, ret = 1; 54 OPTION_CHOICE o; 55 56 prog = opt_init(argc, argv, pkcs7_options); 57 while ((o = opt_next()) != OPT_EOF) { 58 switch (o) { 59 case OPT_EOF: 60 case OPT_ERR: 61 opthelp: 62 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 63 goto end; 64 case OPT_HELP: 65 opt_help(pkcs7_options); 66 ret = 0; 67 goto end; 68 case OPT_INFORM: 69 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) 70 goto opthelp; 71 break; 72 case OPT_OUTFORM: 73 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) 74 goto opthelp; 75 break; 76 case OPT_IN: 77 infile = opt_arg(); 78 break; 79 case OPT_OUT: 80 outfile = opt_arg(); 81 break; 82 case OPT_NOOUT: 83 noout = 1; 84 break; 85 case OPT_TEXT: 86 text = 1; 87 break; 88 case OPT_PRINT: 89 p7_print = 1; 90 break; 91 case OPT_PRINT_CERTS: 92 print_certs = 1; 93 break; 94 case OPT_ENGINE: 95 e = setup_engine(opt_arg(), 0); 96 break; 97 } 98 } 99 argc = opt_num_rest(); 100 if (argc != 0) 101 goto opthelp; 102 103 in = bio_open_default(infile, 'r', informat); 104 if (in == NULL) 105 goto end; 106 107 if (informat == FORMAT_ASN1) 108 p7 = d2i_PKCS7_bio(in, NULL); 109 else 110 p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL); 111 if (p7 == NULL) { 112 BIO_printf(bio_err, "unable to load PKCS7 object\n"); 113 ERR_print_errors(bio_err); 114 goto end; 115 } 116 117 out = bio_open_default(outfile, 'w', outformat); 118 if (out == NULL) 119 goto end; 120 121 if (p7_print) 122 PKCS7_print_ctx(out, p7, 0, NULL); 123 124 if (print_certs) { 125 STACK_OF(X509) *certs = NULL; 126 STACK_OF(X509_CRL) *crls = NULL; 127 128 i = OBJ_obj2nid(p7->type); 129 switch (i) { 130 case NID_pkcs7_signed: 131 if (p7->d.sign != NULL) { 132 certs = p7->d.sign->cert; 133 crls = p7->d.sign->crl; 134 } 135 break; 136 case NID_pkcs7_signedAndEnveloped: 137 if (p7->d.signed_and_enveloped != NULL) { 138 certs = p7->d.signed_and_enveloped->cert; 139 crls = p7->d.signed_and_enveloped->crl; 140 } 141 break; 142 default: 143 break; 144 } 145 146 if (certs != NULL) { 147 X509 *x; 148 149 for (i = 0; i < sk_X509_num(certs); i++) { 150 x = sk_X509_value(certs, i); 151 if (text) 152 X509_print(out, x); 153 else 154 dump_cert_text(out, x); 155 156 if (!noout) 157 PEM_write_bio_X509(out, x); 158 BIO_puts(out, "\n"); 159 } 160 } 161 if (crls != NULL) { 162 X509_CRL *crl; 163 164 for (i = 0; i < sk_X509_CRL_num(crls); i++) { 165 crl = sk_X509_CRL_value(crls, i); 166 167 X509_CRL_print_ex(out, crl, get_nameopt()); 168 169 if (!noout) 170 PEM_write_bio_X509_CRL(out, crl); 171 BIO_puts(out, "\n"); 172 } 173 } 174 175 ret = 0; 176 goto end; 177 } 178 179 if (!noout) { 180 if (outformat == FORMAT_ASN1) 181 i = i2d_PKCS7_bio(out, p7); 182 else 183 i = PEM_write_bio_PKCS7(out, p7); 184 185 if (!i) { 186 BIO_printf(bio_err, "unable to write pkcs7 object\n"); 187 ERR_print_errors(bio_err); 188 goto end; 189 } 190 } 191 ret = 0; 192 end: 193 PKCS7_free(p7); 194 release_engine(e); 195 BIO_free(in); 196 BIO_free_all(out); 197 return ret; 198 } 199