Add crlget tool

This commit is contained in:
Zhi Guan
2023-01-31 19:18:46 +08:00
parent 13eae91d7d
commit b5df2121d3
6 changed files with 212 additions and 62 deletions

View File

@@ -104,6 +104,7 @@ set(tools
tools/reqparse.c
tools/reqsign.c
tools/crlgen.c
tools/crlget.c
tools/crlparse.c
tools/crlverify.c
tools/cmssign.c

View File

@@ -889,7 +889,20 @@ int x509_exts_get_ext_by_index(const uint8_t *d, size_t dlen, int index,
int x509_exts_get_ext_by_oid(const uint8_t *d, size_t dlen, int oid,
int *critical, const uint8_t **val, size_t *vlen)
{
return -1;
int ext_id;
uint32_t nodes[32];
size_t nodes_cnt;
while (dlen) {
if (x509_ext_from_der(&ext_id, nodes, &nodes_cnt, critical, val, vlen, &d, &dlen) != 1) {
error_print();
return -1;
}
if (ext_id == oid) {
return 1;
}
}
return 0;
}
int x509_exts_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen)

View File

@@ -679,47 +679,18 @@ int x509_general_names_add_registered_id(uint8_t *gns, size_t *gnslen, size_t ma
return 1;
}
int x509_uri_as_general_names_to_der_ex(int tag, const char *uri, size_t urilen,
uint8_t **out, size_t *outlen)
{
int choice = X509_gn_uniform_resource_identifier;
size_t len = 0;
if (!uri || !urilen) {
return 0;
}
if (x509_general_name_to_der(choice, (uint8_t *)uri, urilen, NULL, &len) != 1
|| asn1_sequence_header_to_der_ex(tag, len, out, outlen) != 1
|| x509_general_name_to_der(choice, (uint8_t *)uri, urilen, out, outlen) != 1) {
error_print();
return -1;
}
return 1;
}
/*
int x509_uri_as_general_names_from_der_ex(int tag, const uint8_t **uri, size_t *urilen,
const uint8_t **in, size_t *inlen)
{
int choice = X509_gn_uniform_resource_identifier;
int ret;
const uint8_t *d;
size_t dlen;
if ((ret = asn1_sequence_from_der_ex(tag, &d, &dlen, in, inlen)) != 1) {
if (ret < 0) error_print();
return ret;
}
if (x509_general_names_get_first(d, dlen, NULL, choice, uri, urilen) < 0) {
error_print();
return -1;
}
return 1;
}
*/
int x509_general_names_get_next(const uint8_t *gns, size_t gns_len, const uint8_t **ptr, int choice, const uint8_t **d, size_t *dlen)
{
if (!gns || !gns_len) {
error_print();
return -1;
}
if (!ptr || !d || !dlen) {
error_print();
return -1;
}
if (*ptr > gns + gns_len) {
error_print();
return -1;
@@ -742,14 +713,69 @@ int x509_general_names_get_next(const uint8_t *gns, size_t gns_len, const uint8_
int x509_general_names_get_first(const uint8_t *gns, size_t gns_len, const uint8_t **ptr, int choice, const uint8_t **d, size_t *dlen)
{
int ret;
*ptr = gns;
if ((ret = x509_general_names_get_next(gns, gns_len, ptr, choice, d, dlen)) < 0) {
const uint8_t *p;
p = gns;
if ((ret = x509_general_names_get_next(gns, gns_len, &p, choice, d, dlen)) < 0) {
error_print();
return - 1;
}
if (ptr) {
*ptr = p;
}
return ret;
}
/*
DistributionPointName ::= CHOICE {
fullName [0] GeneralNames,
nameRelativeToCRLIssuer [1] RelativeDistinguishedName }
本来GeneralNames是一个SEQUENCE OF本来这个类型编码的时候应该是80开头的
*/
int x509_uri_as_general_names_to_der_ex(int tag, const char *uri, size_t urilen,
uint8_t **out, size_t *outlen)
{
int choice = X509_gn_uniform_resource_identifier;
size_t len = 0;
if (!uri || !urilen) {
return 0;
}
if (x509_general_name_to_der(choice, (uint8_t *)uri, urilen, NULL, &len) != 1
|| asn1_sequence_header_to_der_ex(tag, len, out, outlen) != 1
|| x509_general_name_to_der(choice, (uint8_t *)uri, urilen, out, outlen) != 1) {
error_print();
return -1;
}
return 1;
}
int x509_uri_as_general_names_from_der_ex(int tag, const uint8_t **uri, size_t *urilen,
const uint8_t **in, size_t *inlen)
{
int choice = X509_gn_uniform_resource_identifier;
int ret;
const uint8_t *d;
size_t dlen;
if ((ret = asn1_type_from_der(tag, &d, &dlen, in, inlen)) != 1) {
if (ret < 0) error_print();
return ret;
}
if (x509_general_names_get_first(d, dlen, NULL, choice, uri, urilen) < 0) {
error_print();
return -1;
}
return 1;
}
int x509_general_names_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen)
{
int choice;
@@ -2009,6 +2035,7 @@ int x509_distribution_point_name_from_der(int *choice, const uint8_t **d, size_t
switch (tag) {
case ASN1_TAG_EXPLICIT(0):
*choice = 0;
// 此时返回的值是GeneralNames的d,dlen因此这个返回值不能用general_names_from来解析
break;
case ASN1_TAG_EXPLICIT(1):
*choice = 1;
@@ -2033,8 +2060,10 @@ int x509_uri_as_distribution_point_name_from_der(const char **uri, size_t *urile
return ret;
}
if (choice == 0) {
*uri = (char *)d;
*urilen = dlen;
if (x509_general_names_get_first(d, dlen, NULL, choice, (const uint8_t **)uri, urilen) < 0) {
error_print();
return -1;
}
}
return 1;
}
@@ -2187,6 +2216,32 @@ int x509_uri_as_distribution_points_to_der(const char *uri, size_t urilen,
return 1;
}
/*
DistributionPoints :== SEQUENCE OF DistributionPoint
80 Len -- DistributionPoints header
80 Len DistributionPoint 1 header
80 EXPLICIT(0)
DistributionPointName
80 len d,dln GeneralNames
06 len URI
01 len d,dlen ReasonFlags
82 len, d,dlen GeneralNames
80 Len DistributionPoint 2 header
80 Len DistributionPoint 3 header
*/
int x509_uri_as_distribution_points_from_der(const char **uri, size_t *urilen,
int *reasons, const uint8_t **crl_issuer, size_t *crl_issuer_len,
const uint8_t **in, size_t *inlen)
@@ -2213,7 +2268,6 @@ int x509_uri_as_distribution_points_from_der(const char **uri, size_t *urilen,
}
}
return 1;
}
int x509_distribution_points_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *d, size_t dlen)
@@ -2688,3 +2742,4 @@ int x509_exts_add_authority_info_access(uint8_t *exts, size_t *extslen, size_t m
}

View File

@@ -833,6 +833,25 @@ static int test_x509_cert_with_exts(void)
return 1;
}
static int test_x509_distribution_point_name(void)
{
uint8_t buf[512];
uint8_t *p = buf;
const uint8_t *cp = buf;
size_t len = 0;
x509_general_name_to_der(X509_gn_uniform_resource_identifier, (uint8_t *)"http://", 7, &p, &len);
// x509_uri_as_general_names_to_der_ex(0x80, "http://", 7, &p, &len);
format_bytes(stderr, 0, 0, "GeneralNames", buf, len);
return 1;
}
int main(int argc, char **argv)
{
if (test_x509_other_name() != 1) goto err;
@@ -851,6 +870,8 @@ int main(int argc, char **argv)
if (test_x509_revoke_reasons() != 1) goto err;
if (test_x509_exts() != 1) goto err;
if (test_x509_cert_with_exts() != 1) goto err;
if (test_x509_distribution_point_name() != 1) goto err;
printf("%s all tests passed!\n", __FILE__);
return 0;
err:

View File

@@ -14,46 +14,51 @@
#include <stdlib.h>
#include <gmssl/pem.h>
#include <gmssl/x509.h>
#include <gmssl/x509_ext.h>
#include <gmssl/http.h>
#include <gmssl/error.h>
static const char *usage = "[-in pem] [-out file]\n";
static const char *usage = "-cert pem [-out file]\n";
static const char *options =
"Options\n"
"\n"
" -in pem | stdin Input certificates in PEM format.\n"
" -cert pem Input certificates in PEM format.\n"
" -out der | stdout Output CRL file in DER-encoding\n"
"\n"
"Examples\n"
"\n"
" gmssl crlget -in cert.pem -out crl.der\n"
" gmssl crlget -cert cert.pem -out crl.der\n"
"\n";
int certparse_main(int argc, char **argv)
int crlget_main(int argc, char **argv)
{
int ret = 1;
char *prog = argv[0];
char *infile = NULL;
char *str;
uint8_t *cert = NULL;
size_t certlen = 0;
char *outfile = NULL;
FILE *infp = stdin;
FILE *outfp = stdout;
uint8_t cert[18192];
size_t certlen;
const uint8_t *exts;
size_t extslen;
argc--;
argv++;
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: gmssl %s %s\n\n", prog, options);
printf("%s\n", usage);
printf("usage: gmssl %s %s\n\n", prog, usage);
printf("%s\n", options);
goto end;
} else if (!strcmp(*argv, "-in")) {
} else if (!strcmp(*argv, "-cert")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "%s: open '%s' failure : %s\n", prog, infile, strerror(errno));
str = *(++argv);
if (x509_cert_new_from_file(&cert, &certlen, str) != 1) {
fprintf(stderr, "%s: load ca certificate '%s' failure\n", prog, str);
goto end;
}
} else if (!strcmp(*argv, "-out")) {
@@ -75,17 +80,68 @@ bad:
argv++;
}
if (x509_cert_from_pem(cert, &certlen, sizeof(cert), infp) != 1) {
if (!cert) {
fprintf(stderr, "%s: `-cert` option required\n", prog);
printf("usage: gmssl %s %s\n\n", prog, options);
goto end;
}
if (x509_cert_get_exts(cert, certlen, &exts, &extslen) != 1) {
error_print();
goto end;
}
if (!exts) {
goto end;
}
int critical;
const uint8_t *val;
size_t vlen;
if ((ret = x509_exts_get_ext_by_oid(exts, extslen, OID_ce_crl_distribution_points, &critical, &val, &vlen)) < 0) {
error_print();
goto end;
}
if (x509_exts_get_ext_by_oid(exts, extslen, OID_ce_crl_
char *uristr;
const char *uri;
size_t urilen;
int reason;
const uint8_t *crl_issuer;
size_t crl_issuer_len;
if (x509_uri_as_distribution_points_from_der(&uri, &urilen, &reason, &crl_issuer, &crl_issuer_len, &val, &vlen) != 1) {
error_print();
goto end;
}
if (!(uristr = strndup(uri, urilen))) {
error_print();
goto end;
}
uint8_t *crl = NULL;
size_t crl_len = 0;
if (http_get(uristr, NULL, &crl_len, 0) < 0) {
error_print();
goto end;
}
if (!(crl = malloc(crl_len))) {
error_print();
goto end;
}
if (http_get(uristr, crl, &crl_len, crl_len) != 1) {
error_print();
goto end;
}
fwrite(crl, crl_len, 1, outfp);
ret = 0;
end:
if (infile && infp) fclose(infp);
if (cert) free(cert);
if (outfile && outfp) fclose(outfp);
return ret;
}

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@@ -19,6 +19,7 @@ extern int certgen_main(int argc, char **argv);
extern int certparse_main(int argc, char **argv);
extern int certverify_main(int argc, char **argv);
extern int certrevoke_main(int argc, char **argv);
extern int crlget_main(int argc, char **argv);
extern int crlgen_main(int argc, char **argv);
extern int crlparse_main(int argc, char **argv);
extern int crlverify_main(int argc, char **argv);
@@ -82,6 +83,7 @@ static const char *options =
" reqgen Generate certificate signing request (CSR)\n"
" reqsign Generate certificate from CSR\n"
" reqparse Parse and print a CSR\n"
" crlget Download the CRL of given certificate\n"
" crlgen Sign a CRL with CA certificate and private key\n"
" crlparse Verify a CRL with certificate\n"
" crlverify Parse and print CRL\n"
@@ -134,6 +136,8 @@ int main(int argc, char **argv)
return certverify_main(argc, argv);
} else if (!strcmp(*argv, "certrevoke")) {
return certrevoke_main(argc, argv);
} else if (!strcmp(*argv, "crlget")) {
return crlget_main(argc, argv);
} else if (!strcmp(*argv, "crlgen")) {
return crlgen_main(argc, argv);
} else if (!strcmp(*argv, "crlparse")) {