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Commit | Line | Data |
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0f113f3e | 1 | /* |
f5afac4b | 2 | * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. |
846e33c7 | 3 | * |
dffa7520 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
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" |
dab2cd68 | 14 | #include "progs.h" |
ec577822 BM |
15 | #include <openssl/err.h> |
16 | #include <openssl/evp.h> | |
17 | #include <openssl/x509.h> | |
18 | #include <openssl/pkcs7.h> | |
19 | #include <openssl/pem.h> | |
20 | #include <openssl/objects.h> | |
d02b48c6 | 21 | |
f73e07cf | 22 | static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile); |
d02b48c6 | 23 | |
7e1b7485 | 24 | typedef enum OPTION_choice { |
b0f96018 | 25 | OPT_COMMON, |
6bd4e3f2 P |
26 | OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_NOCRL, OPT_CERTFILE, |
27 | OPT_PROV_ENUM | |
7e1b7485 | 28 | } OPTION_CHOICE; |
d02b48c6 | 29 | |
44c83ebd | 30 | const OPTIONS crl2pkcs7_options[] = { |
5388f986 | 31 | OPT_SECTION("General"), |
7e1b7485 | 32 | {"help", OPT_HELP, '-', "Display this summary"}, |
5388f986 RS |
33 | |
34 | OPT_SECTION("Input"), | |
7e1b7485 | 35 | {"in", OPT_IN, '<', "Input file"}, |
5388f986 | 36 | {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"}, |
7e1b7485 RS |
37 | {"nocrl", OPT_NOCRL, '-', "No crl to load, just certs from '-certfile'"}, |
38 | {"certfile", OPT_CERTFILE, '<', | |
39 | "File of chain of certs to a trusted CA; can be repeated"}, | |
5388f986 RS |
40 | |
41 | OPT_SECTION("Output"), | |
42 | {"out", OPT_OUT, '>', "Output file"}, | |
43 | {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"}, | |
6bd4e3f2 P |
44 | |
45 | OPT_PROV_OPTIONS, | |
7e1b7485 RS |
46 | {NULL} |
47 | }; | |
667ac4ec | 48 | |
7e1b7485 | 49 | int crl2pkcs7_main(int argc, char **argv) |
0f113f3e | 50 | { |
0f113f3e | 51 | BIO *in = NULL, *out = NULL; |
0f113f3e MC |
52 | PKCS7 *p7 = NULL; |
53 | PKCS7_SIGNED *p7s = NULL; | |
0f113f3e | 54 | STACK_OF(OPENSSL_STRING) *certflst = NULL; |
0f113f3e | 55 | STACK_OF(X509) *cert_stack = NULL; |
7e1b7485 RS |
56 | STACK_OF(X509_CRL) *crl_stack = NULL; |
57 | X509_CRL *crl = NULL; | |
58 | char *infile = NULL, *outfile = NULL, *prog, *certfile; | |
59 | int i = 0, informat = FORMAT_PEM, outformat = FORMAT_PEM, ret = 1, nocrl = | |
60 | 0; | |
61 | OPTION_CHOICE o; | |
d02b48c6 | 62 | |
7e1b7485 RS |
63 | prog = opt_init(argc, argv, crl2pkcs7_options); |
64 | while ((o = opt_next()) != OPT_EOF) { | |
65 | switch (o) { | |
66 | case OPT_EOF: | |
67 | case OPT_ERR: | |
68 | opthelp: | |
69 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
70 | goto end; | |
71 | case OPT_HELP: | |
72 | opt_help(crl2pkcs7_options); | |
73 | ret = 0; | |
74 | goto end; | |
75 | case OPT_INFORM: | |
76 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat)) | |
77 | goto opthelp; | |
78 | break; | |
79 | case OPT_OUTFORM: | |
80 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) | |
81 | goto opthelp; | |
82 | break; | |
83 | case OPT_IN: | |
84 | infile = opt_arg(); | |
85 | break; | |
86 | case OPT_OUT: | |
87 | outfile = opt_arg(); | |
88 | break; | |
89 | case OPT_NOCRL: | |
0f113f3e | 90 | nocrl = 1; |
7e1b7485 RS |
91 | break; |
92 | case OPT_CERTFILE: | |
75ebbd9a RS |
93 | if ((certflst == NULL) |
94 | && (certflst = sk_OPENSSL_STRING_new_null()) == NULL) | |
0f113f3e | 95 | goto end; |
d285b541 | 96 | if (!sk_OPENSSL_STRING_push(certflst, opt_arg())) |
0f113f3e | 97 | goto end; |
0f113f3e | 98 | break; |
6bd4e3f2 P |
99 | case OPT_PROV_CASES: |
100 | if (!opt_provider(o)) | |
101 | goto end; | |
102 | break; | |
0f113f3e | 103 | } |
0f113f3e | 104 | } |
021410ea RS |
105 | |
106 | /* No remaining args. */ | |
7e1b7485 | 107 | argc = opt_num_rest(); |
03358517 KR |
108 | if (argc != 0) |
109 | goto opthelp; | |
d02b48c6 | 110 | |
0f113f3e | 111 | if (!nocrl) { |
bdd58d98 | 112 | in = bio_open_default(infile, 'r', informat); |
7e1b7485 RS |
113 | if (in == NULL) |
114 | goto end; | |
d02b48c6 | 115 | |
0f113f3e MC |
116 | if (informat == FORMAT_ASN1) |
117 | crl = d2i_X509_CRL_bio(in, NULL); | |
118 | else if (informat == FORMAT_PEM) | |
119 | crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL); | |
0f113f3e MC |
120 | if (crl == NULL) { |
121 | BIO_printf(bio_err, "unable to load CRL\n"); | |
122 | ERR_print_errors(bio_err); | |
123 | goto end; | |
124 | } | |
125 | } | |
d02b48c6 | 126 | |
0f113f3e MC |
127 | if ((p7 = PKCS7_new()) == NULL) |
128 | goto end; | |
129 | if ((p7s = PKCS7_SIGNED_new()) == NULL) | |
130 | goto end; | |
131 | p7->type = OBJ_nid2obj(NID_pkcs7_signed); | |
132 | p7->d.sign = p7s; | |
133 | p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data); | |
d02b48c6 | 134 | |
0f113f3e MC |
135 | if (!ASN1_INTEGER_set(p7s->version, 1)) |
136 | goto end; | |
d3a5898a | 137 | |
0f113f3e | 138 | if (crl != NULL) { |
d3a5898a DC |
139 | if ((crl_stack = sk_X509_CRL_new_null()) == NULL) |
140 | goto end; | |
141 | p7s->crl = crl_stack; | |
0f113f3e MC |
142 | sk_X509_CRL_push(crl_stack, crl); |
143 | crl = NULL; /* now part of p7 for OPENSSL_freeing */ | |
144 | } | |
d02b48c6 | 145 | |
d3a5898a DC |
146 | if (certflst != NULL) { |
147 | if ((cert_stack = sk_X509_new_null()) == NULL) | |
148 | goto end; | |
149 | p7s->cert = cert_stack; | |
9fe84296 | 150 | |
0f113f3e MC |
151 | for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) { |
152 | certfile = sk_OPENSSL_STRING_value(certflst, i); | |
153 | if (add_certs_from_file(cert_stack, certfile) < 0) { | |
154 | BIO_printf(bio_err, "error loading certificates\n"); | |
155 | ERR_print_errors(bio_err); | |
156 | goto end; | |
157 | } | |
158 | } | |
d3a5898a | 159 | } |
d02b48c6 | 160 | |
bdd58d98 | 161 | out = bio_open_default(outfile, 'w', outformat); |
7e1b7485 RS |
162 | if (out == NULL) |
163 | goto end; | |
d02b48c6 | 164 | |
0f113f3e MC |
165 | if (outformat == FORMAT_ASN1) |
166 | i = i2d_PKCS7_bio(out, p7); | |
167 | else if (outformat == FORMAT_PEM) | |
168 | i = PEM_write_bio_PKCS7(out, p7); | |
0f113f3e MC |
169 | if (!i) { |
170 | BIO_printf(bio_err, "unable to write pkcs7 object\n"); | |
171 | ERR_print_errors(bio_err); | |
172 | goto end; | |
173 | } | |
174 | ret = 0; | |
175 | end: | |
1c422164 | 176 | sk_OPENSSL_STRING_free(certflst); |
ca3a82c3 RS |
177 | BIO_free(in); |
178 | BIO_free_all(out); | |
e0e920b1 | 179 | PKCS7_free(p7); |
222561fe | 180 | X509_CRL_free(crl); |
d02b48c6 | 181 | |
26a7d938 | 182 | return ret; |
0f113f3e | 183 | } |
d02b48c6 | 184 | |
c80fd6b2 | 185 | /*- |
d02b48c6 RE |
186 | *---------------------------------------------------------------------- |
187 | * int add_certs_from_file | |
188 | * | |
0f113f3e | 189 | * Read a list of certificates to be checked from a file. |
d02b48c6 RE |
190 | * |
191 | * Results: | |
0f113f3e | 192 | * number of certs added if successful, -1 if not. |
d02b48c6 RE |
193 | *---------------------------------------------------------------------- |
194 | */ | |
6b691a5c | 195 | static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile) |
0f113f3e MC |
196 | { |
197 | BIO *in = NULL; | |
198 | int count = 0; | |
199 | int ret = -1; | |
200 | STACK_OF(X509_INFO) *sk = NULL; | |
201 | X509_INFO *xi; | |
d02b48c6 | 202 | |
7e1b7485 RS |
203 | in = BIO_new_file(certfile, "r"); |
204 | if (in == NULL) { | |
0f113f3e MC |
205 | BIO_printf(bio_err, "error opening the file, %s\n", certfile); |
206 | goto end; | |
207 | } | |
d02b48c6 | 208 | |
0f113f3e MC |
209 | /* This loads from a file, a stack of x509/crl/pkey sets */ |
210 | sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); | |
211 | if (sk == NULL) { | |
212 | BIO_printf(bio_err, "error reading the file, %s\n", certfile); | |
213 | goto end; | |
214 | } | |
d02b48c6 | 215 | |
0f113f3e MC |
216 | /* scan over it and pull out the CRL's */ |
217 | while (sk_X509_INFO_num(sk)) { | |
218 | xi = sk_X509_INFO_shift(sk); | |
219 | if (xi->x509 != NULL) { | |
220 | sk_X509_push(stack, xi->x509); | |
221 | xi->x509 = NULL; | |
222 | count++; | |
223 | } | |
224 | X509_INFO_free(xi); | |
225 | } | |
d02b48c6 | 226 | |
0f113f3e MC |
227 | ret = count; |
228 | end: | |
229 | /* never need to OPENSSL_free x */ | |
ca3a82c3 | 230 | BIO_free(in); |
222561fe | 231 | sk_X509_INFO_free(sk); |
26a7d938 | 232 | return ret; |
0f113f3e | 233 | } |