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Commit | Line | Data |
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0f113f3e | 1 | /* |
846e33c7 RS |
2 | * Copyright 1995-2016 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 | |
0f113f3e | 8 | */ |
d02b48c6 RE |
9 | |
10 | #include <stdio.h> | |
11 | #include <string.h> | |
12 | #include <sys/types.h> | |
d02b48c6 | 13 | #include "apps.h" |
ec577822 BM |
14 | #include <openssl/err.h> |
15 | #include <openssl/evp.h> | |
16 | #include <openssl/x509.h> | |
17 | #include <openssl/pkcs7.h> | |
18 | #include <openssl/pem.h> | |
19 | #include <openssl/objects.h> | |
d02b48c6 | 20 | |
f73e07cf | 21 | static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile); |
d02b48c6 | 22 | |
7e1b7485 RS |
23 | typedef enum OPTION_choice { |
24 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
25 | OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_NOCRL, OPT_CERTFILE | |
26 | } OPTION_CHOICE; | |
d02b48c6 | 27 | |
44c83ebd | 28 | const OPTIONS crl2pkcs7_options[] = { |
7e1b7485 RS |
29 | {"help", OPT_HELP, '-', "Display this summary"}, |
30 | {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"}, | |
31 | {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"}, | |
32 | {"in", OPT_IN, '<', "Input file"}, | |
33 | {"out", OPT_OUT, '>', "Output file"}, | |
34 | {"nocrl", OPT_NOCRL, '-', "No crl to load, just certs from '-certfile'"}, | |
35 | {"certfile", OPT_CERTFILE, '<', | |
36 | "File of chain of certs to a trusted CA; can be repeated"}, | |
37 | {NULL} | |
38 | }; | |
667ac4ec | 39 | |
7e1b7485 | 40 | int crl2pkcs7_main(int argc, char **argv) |
0f113f3e | 41 | { |
0f113f3e | 42 | BIO *in = NULL, *out = NULL; |
0f113f3e MC |
43 | PKCS7 *p7 = NULL; |
44 | PKCS7_SIGNED *p7s = NULL; | |
0f113f3e | 45 | STACK_OF(OPENSSL_STRING) *certflst = NULL; |
0f113f3e | 46 | STACK_OF(X509) *cert_stack = NULL; |
7e1b7485 RS |
47 | STACK_OF(X509_CRL) *crl_stack = NULL; |
48 | X509_CRL *crl = NULL; | |
49 | char *infile = NULL, *outfile = NULL, *prog, *certfile; | |
50 | int i = 0, informat = FORMAT_PEM, outformat = FORMAT_PEM, ret = 1, nocrl = | |
51 | 0; | |
52 | OPTION_CHOICE o; | |
d02b48c6 | 53 | |
7e1b7485 RS |
54 | prog = opt_init(argc, argv, crl2pkcs7_options); |
55 | while ((o = opt_next()) != OPT_EOF) { | |
56 | switch (o) { | |
57 | case OPT_EOF: | |
58 | case OPT_ERR: | |
59 | opthelp: | |
60 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
61 | goto end; | |
62 | case OPT_HELP: | |
63 | opt_help(crl2pkcs7_options); | |
64 | ret = 0; | |
65 | goto end; | |
66 | case OPT_INFORM: | |
67 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) | |
68 | goto opthelp; | |
69 | break; | |
70 | case OPT_OUTFORM: | |
71 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) | |
72 | goto opthelp; | |
73 | break; | |
74 | case OPT_IN: | |
75 | infile = opt_arg(); | |
76 | break; | |
77 | case OPT_OUT: | |
78 | outfile = opt_arg(); | |
79 | break; | |
80 | case OPT_NOCRL: | |
0f113f3e | 81 | nocrl = 1; |
7e1b7485 RS |
82 | break; |
83 | case OPT_CERTFILE: | |
75ebbd9a RS |
84 | if ((certflst == NULL) |
85 | && (certflst = sk_OPENSSL_STRING_new_null()) == NULL) | |
0f113f3e | 86 | goto end; |
d285b541 | 87 | if (!sk_OPENSSL_STRING_push(certflst, opt_arg())) |
0f113f3e | 88 | goto end; |
0f113f3e MC |
89 | break; |
90 | } | |
0f113f3e | 91 | } |
7e1b7485 | 92 | argc = opt_num_rest(); |
03358517 KR |
93 | if (argc != 0) |
94 | goto opthelp; | |
d02b48c6 | 95 | |
0f113f3e | 96 | if (!nocrl) { |
bdd58d98 | 97 | in = bio_open_default(infile, 'r', informat); |
7e1b7485 RS |
98 | if (in == NULL) |
99 | goto end; | |
d02b48c6 | 100 | |
0f113f3e MC |
101 | if (informat == FORMAT_ASN1) |
102 | crl = d2i_X509_CRL_bio(in, NULL); | |
103 | else if (informat == FORMAT_PEM) | |
104 | crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL); | |
0f113f3e MC |
105 | if (crl == NULL) { |
106 | BIO_printf(bio_err, "unable to load CRL\n"); | |
107 | ERR_print_errors(bio_err); | |
108 | goto end; | |
109 | } | |
110 | } | |
d02b48c6 | 111 | |
0f113f3e MC |
112 | if ((p7 = PKCS7_new()) == NULL) |
113 | goto end; | |
114 | if ((p7s = PKCS7_SIGNED_new()) == NULL) | |
115 | goto end; | |
116 | p7->type = OBJ_nid2obj(NID_pkcs7_signed); | |
117 | p7->d.sign = p7s; | |
118 | p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data); | |
d02b48c6 | 119 | |
0f113f3e MC |
120 | if (!ASN1_INTEGER_set(p7s->version, 1)) |
121 | goto end; | |
122 | if ((crl_stack = sk_X509_CRL_new_null()) == NULL) | |
123 | goto end; | |
124 | p7s->crl = crl_stack; | |
125 | if (crl != NULL) { | |
126 | sk_X509_CRL_push(crl_stack, crl); | |
127 | crl = NULL; /* now part of p7 for OPENSSL_freeing */ | |
128 | } | |
d02b48c6 | 129 | |
0f113f3e MC |
130 | if ((cert_stack = sk_X509_new_null()) == NULL) |
131 | goto end; | |
132 | p7s->cert = cert_stack; | |
9fe84296 | 133 | |
0f113f3e MC |
134 | if (certflst) |
135 | for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) { | |
136 | certfile = sk_OPENSSL_STRING_value(certflst, i); | |
137 | if (add_certs_from_file(cert_stack, certfile) < 0) { | |
138 | BIO_printf(bio_err, "error loading certificates\n"); | |
139 | ERR_print_errors(bio_err); | |
140 | goto end; | |
141 | } | |
142 | } | |
d02b48c6 | 143 | |
bdd58d98 | 144 | out = bio_open_default(outfile, 'w', outformat); |
7e1b7485 RS |
145 | if (out == NULL) |
146 | goto end; | |
d02b48c6 | 147 | |
0f113f3e MC |
148 | if (outformat == FORMAT_ASN1) |
149 | i = i2d_PKCS7_bio(out, p7); | |
150 | else if (outformat == FORMAT_PEM) | |
151 | i = PEM_write_bio_PKCS7(out, p7); | |
0f113f3e MC |
152 | if (!i) { |
153 | BIO_printf(bio_err, "unable to write pkcs7 object\n"); | |
154 | ERR_print_errors(bio_err); | |
155 | goto end; | |
156 | } | |
157 | ret = 0; | |
158 | end: | |
1c422164 | 159 | sk_OPENSSL_STRING_free(certflst); |
ca3a82c3 RS |
160 | BIO_free(in); |
161 | BIO_free_all(out); | |
e0e920b1 | 162 | PKCS7_free(p7); |
222561fe | 163 | X509_CRL_free(crl); |
d02b48c6 | 164 | |
7e1b7485 | 165 | return (ret); |
0f113f3e | 166 | } |
d02b48c6 | 167 | |
c80fd6b2 | 168 | /*- |
d02b48c6 RE |
169 | *---------------------------------------------------------------------- |
170 | * int add_certs_from_file | |
171 | * | |
0f113f3e | 172 | * Read a list of certificates to be checked from a file. |
d02b48c6 RE |
173 | * |
174 | * Results: | |
0f113f3e | 175 | * number of certs added if successful, -1 if not. |
d02b48c6 RE |
176 | *---------------------------------------------------------------------- |
177 | */ | |
6b691a5c | 178 | static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile) |
0f113f3e MC |
179 | { |
180 | BIO *in = NULL; | |
181 | int count = 0; | |
182 | int ret = -1; | |
183 | STACK_OF(X509_INFO) *sk = NULL; | |
184 | X509_INFO *xi; | |
d02b48c6 | 185 | |
7e1b7485 RS |
186 | in = BIO_new_file(certfile, "r"); |
187 | if (in == NULL) { | |
0f113f3e MC |
188 | BIO_printf(bio_err, "error opening the file, %s\n", certfile); |
189 | goto end; | |
190 | } | |
d02b48c6 | 191 | |
0f113f3e MC |
192 | /* This loads from a file, a stack of x509/crl/pkey sets */ |
193 | sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); | |
194 | if (sk == NULL) { | |
195 | BIO_printf(bio_err, "error reading the file, %s\n", certfile); | |
196 | goto end; | |
197 | } | |
d02b48c6 | 198 | |
0f113f3e MC |
199 | /* scan over it and pull out the CRL's */ |
200 | while (sk_X509_INFO_num(sk)) { | |
201 | xi = sk_X509_INFO_shift(sk); | |
202 | if (xi->x509 != NULL) { | |
203 | sk_X509_push(stack, xi->x509); | |
204 | xi->x509 = NULL; | |
205 | count++; | |
206 | } | |
207 | X509_INFO_free(xi); | |
208 | } | |
d02b48c6 | 209 | |
0f113f3e MC |
210 | ret = count; |
211 | end: | |
212 | /* never need to OPENSSL_free x */ | |
ca3a82c3 | 213 | BIO_free(in); |
222561fe | 214 | sk_X509_INFO_free(sk); |
0f113f3e MC |
215 | return (ret); |
216 | } |