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
pkcs7_main(int argc,char ** argv)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